CN102639399B - Automatic packaging machine - Google Patents
Automatic packaging machine Download PDFInfo
- Publication number
- CN102639399B CN102639399B CN201080053862.0A CN201080053862A CN102639399B CN 102639399 B CN102639399 B CN 102639399B CN 201080053862 A CN201080053862 A CN 201080053862A CN 102639399 B CN102639399 B CN 102639399B
- Authority
- CN
- China
- Prior art keywords
- welding
- wrapping machine
- forming element
- plastic film
- removable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 9
- 238000003466 welding Methods 0.000 claims abstract description 208
- 239000002985 plastic film Substances 0.000 claims abstract description 53
- 229920006255 plastic film Polymers 0.000 claims abstract description 53
- 238000005520 cutting process Methods 0.000 claims abstract description 27
- 238000012856 packing Methods 0.000 claims description 49
- 230000033001 locomotion Effects 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 230000015572 biosynthetic process Effects 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 5
- 238000004023 plastic welding Methods 0.000 claims 1
- 238000012986 modification Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000007526 fusion splicing Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 210000003128 head Anatomy 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
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- 238000012546 transfer Methods 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
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- 210000001331 nose Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
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- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
- B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
- B65B9/207—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles the web advancing continuously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/36—Bending and joining, e.g. for making hollow articles
- B29C53/38—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges
- B29C53/48—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges for articles of indefinite length, i.e. bending a strip progressively
- B29C53/50—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges for articles of indefinite length, i.e. bending a strip progressively using internal forming surfaces, e.g. mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
- B29C65/743—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/431—Joining the articles to themselves
- B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
- B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/49—Internally supporting the, e.g. tubular, article during joining
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
- B29C66/822—Transmission mechanisms
- B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
- B29C66/822—Transmission mechanisms
- B29C66/8224—Chain or sprocket drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
- B29C66/822—Transmission mechanisms
- B29C66/8226—Cam mechanisms; Wedges; Eccentric mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
- B29C66/822—Transmission mechanisms
- B29C66/8226—Cam mechanisms; Wedges; Eccentric mechanisms
- B29C66/82263—Follower pin or roller cooperating with a groove
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
- B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
- B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
- B29C66/83531—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on chains
- B29C66/83533—Cooperating jaws mounted on cooperating chains and moving in a closed path
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/84—Specific machine types or machines suitable for specific applications
- B29C66/849—Packaging machines
- B29C66/8491—Packaging machines welding through a filled container, e.g. tube or bag
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
- B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
- B65B51/306—Counter-rotating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
- B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
- B65B9/2014—Tube advancing means
- B65B9/2028—Rollers or belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
- B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
- B65B9/2049—Package shaping devices acting on filled tubes prior to sealing the filling opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
- B29C66/81415—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
- B29C66/81419—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled and flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
- B29C66/91431—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being kept constant over time
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
- B29C66/91641—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux the heat or the thermal flux being non-constant over time
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- Containers And Plastic Fillers For Packaging (AREA)
- Basic Packing Technique (AREA)
Abstract
Automatic packaging machine comprising a tubular forming element (1) into which a product (6) to be packaged is introduced, around which at least one layer of plastic film (2) for forming a package (13) is wrapped, said machine comprising: -forming means (7) for wrapping the film (2) around the tubular forming element (1) so that at least two strips (2', 2 ") of the film overlap in a longitudinal direction (L); -feeding means (9, 9') for feeding the film (2) along the tubular forming element (1); at least one welding rod (11) able to perform longitudinal welding of said overlapped strips of film (2), said rod (11) being able to move at least in a transverse direction (T) towards or away from said tubular forming element (1); and a movable unit (14, 14 ', 14 ", 114) for transverse welding and cutting of the film (2) in tubular form exiting from the tubular forming element (1), said movable unit (14, 14', 14", 114) being located downstream of the longitudinal welding bar (11) and on at least two diametrically opposite sides of the film (2).
Description
Technical field
The present invention relates to a kind of wrapping machine.
Background technology
As is known, wrapping machine can be horizontal or vertical and be manually or automatically in essence, and be used to obtain the packing completing of bulk products.In automatic packaging machine, a certain amount of bulk products is introduced into hollow tubular member inside, and described tube element limits the shape of the bag obtaining.In known packets installation, plastic film is wrapped up and is drawn downwards and then stood by longitudinal welding of fusion splicing devices (welding means) in extremely complicated mode around described tube element.The welding processing of being undertaken by these fusion splicing devices is poor efficiency and discontinuous, because have long time-out between a welding operation and next welding operation.When the described longitudinal welding EO carrying out with these horizontal welding devices, must be by welding in a lateral direction so that the top of enclose and bottom by the film that forms the packing of product.And in this embodiment, it is complicated and discontinuous that the horizontal welding of known packets installation is processed.
Summary of the invention
Therefore target of the present invention is to provide a kind of automatic packaging machine, it overcomes the defect of known packets installation and makes to pack the production cycle more efficient and quick, particularly in fact favourable mode, guaranteed that continuous handling, with vertical and horizontal welding and transverse cuts plastic film, is obtained the packing that comprises final products by described plastic film.
Described target realizes by following automatic packaging machine.This automatic packaging machine comprises tubulose forming element, packaged product is introduced in tubulose forming element, the at least one deck plastic film that is used to form packing wraps up around described tubulose forming element, it is characterized in that, described wrapping machine comprises: form device, described formation device is used for described film to wrap up around described tubulose forming element, thereby makes at least two bands of described film overlapping in a longitudinal direction; For be fed to the feeding means of described film along described tubulose forming element; At least one removable longitudinal welding bar, described removable longitudinal welding bar can carry out longitudinal welding of the overlapping described band of described film, and described removable longitudinal welding bar can move towards described tubulose forming element or away from described tubulose forming element at least in a lateral direction; With for horizontal welding and cutting, leave the movable units of film of the tubular form of described tubulose forming element, described movable units is positioned at the downstream of described removable longitudinal welding bar and in film at least two along the relative side of diameter; Wherein, described removable longitudinal welding bar also can move up the either party of longitudinal direction with respect to tubulose forming element, described removable horizontal welding and cutter unit are fixed to guiding and driver element, and described guiding and the driver element described removable horizontal welding of permission and cutter unit are being followed circulation closed circular path and moved; And wherein, the movement that described removable longitudinal welding bar is followed circulation closed circular path comprises: first longitudinal welding on the direct of travel of film is moved, and now described removable longitudinal welding bar is positioned at apart from tubulose forming unit minimum distance; The second cross motion away from tubulose forming element; The 3rd longitudinal return movement in the opposite direction direction with described first longitudinal welding campaign; With the final cross motion towards tubulose forming element.
Accompanying drawing explanation
Further aspect of the present invention and advantage will be non-limiting examples and with reference to more clearly understanding the following description of accompanying drawing, in the accompanying drawings from being considered to purely:
-Fig. 1 illustrates the lateral plan according to wrapping machine of the present invention, comprises the tubulose forming element around its parcel for the production of the plastic film of packing;
-Fig. 2 illustrates the front elevation of this wrapping machine part with high range more;
-Fig. 3 illustrates side-looking and the cutaway drawing of wrapping machine, illustrate for by it, made packing plastic film form the collar and longitudinal fusion splicing devices;
-Fig. 4 illustrates for drawing and be fed to around one of being with according to two of the plastic film of the tubular form element parcel of Fig. 1;
-Fig. 5 be illustrated in each side of film, for two unit of horizontal welding and cutting bag, described unit is provided with associated actuating device and the electric power supply apparatus that forms closed ring path;
-Fig. 6 illustrates the planar view of the described wrapping machine of partly cutting open along the line VI-VI shown in Fig. 5;
-Fig. 7 illustrates the front elevation of modification of the embodiment of this wrapping machine, comprises the system for the bottom of FOLD AND PACK, and its bottom is provided with being depicted as in the folding component of minor increment each other of two positioned opposite;
-Fig. 8 illustrates the similar front elevation of view with Fig. 7, and wherein said folding component is in the state of ultimate range each other;
-Fig. 9 illustrates this wrapping machine along side-looking and the cutaway drawing of the line IX-IX shown in Fig. 7;
-Figure 10 illustrates the planar view of the middle body of Fig. 5 with magnification ratio, relate to two horizontal welding unit, and these two horizontal welding unit face with each other and comprise and be depicted as in release position and plastic film inserts cutting blade and phase blade therebetween;
-Figure 11 illustrates the similar view with Figure 10, and wherein cutting blade has stretched out from associated welding unit with phase blade to cut plastic film and separated packing of being produced by this wrapping machine then;
-Figure 12 a and 12b schematically illustrate respectively the separated of two positions of Figure 10 and cutting blade in Figure 11 and phase blade and packing;
-Figure 13 illustrates for being fed to the lateral plan of the band of plastic film with high range, and it is provided with and provides power and as the electro-motor of counterweight;
-Figure 14 a, 14b, 14c, 14d illustrate for guiding the planar view of the cam rail of horizontal welding and cutter unit, and these tracks are provided with the interchangeable parts that is used to form different length packing;
-Figure 15 illustrates three planar views that are connected to the unit for horizontal welding and cutting packing of actuating device, and described actuating device forms the closed ring path of two general triangular shapes;
-Figure 16 illustrates side-looking and the cutaway drawing for delivery of the tray of the packing completing with unloading;
-Figure 17 illustrates the planar view of modification of the embodiment of this wrapping machine, relates to the unit for two positioned opposite of horizontal welding and cutting packing;
-Figure 18 exemplifies these two for the unit of horizontal welding and cutting packing with the ratio larger than Figure 17;
-Figure 19 illustrates according to the lateral plan of the welding unit of the related strut member of tool of Figure 17;
-Figure 20 illustrates for by the side-looking of the distributing box of packaged discrete material and cutaway drawing, and described distributing box is disposed in the upstream of tubulose forming element;
-Figure 21 a and 21b illustrate two side-lookings and the cutaway view of modification of the embodiment of tubulose forming element, and described tubulose forming element comprises two groups of baffle plates, and described baffle plate is used for allowing discrete material to move down along described tubulose forming element step wise;
-Figure 22 illustrates according to the part lateral plan of one of two of Figure 21 a and 21b groups of baffle plates;
-Figure 23 illustrates according to the front elevation of one of two of Figure 21 a and 21b groups of baffle plates; With
-Figure 24 a and 24b illustrate one of baffle plate in retracted position and operating position respectively.
Specific embodiment mode
With reference to accompanying drawing and with particular reference to Fig. 1 wherein, Reference numeral 1 indication inner hollow and one deck plastic film 2 are around the tubulose forming element of its parcel, and described film is initially removed around the spool 3 being wound around from it.Spool 3 is lazy axles and can rotates around central pin 4.Therefore tubulose forming element 1 can have any shape according to the shape of the packing of the product that will obtain or bag, can have circle, square, rectangle, polygon or similar profile.The top of tubulose forming element 1 has the entrance mouth 5 for product to be packaged 6 is introduced wherein.Described entrance mouth 5 is shown in its below and has the collar 7 of formation, and the described formation collar has the function that plastic film 2 is correctly wrapped up around tubulose forming element 1.The described formation collar 7 comprises the first 107 and two front angled surface 207 in rear-inclined surface, and describes in detail with reference to Fig. 2 of accompanying drawing.The film 2 of continuous sheet form arrives the rear surface 107 that forms the collar 7 with correct lateral attitude via the live roll 8 between the described formation collar 7 and spool 3.Plastic film 2 is being drawn downwards along the longitudinal axes L of tubulose forming element 1 by a pair of feed shelf 9 and 9 ' when tube element 1 wraps up with tubular form, and feed shelf 9 is positioned at along the relative position of diameter with respect to tubulose forming element 1 with 9 '.These with 9 and 9 ' each by pair of rolls 10 and 10 ' operation, at least one of described two rollers is that motor drives.Every pair roller 10 is aimed at along the parallel axis of the longitudinal axes L with tubulose forming element 1 with 10 '.For the first bar 11 of the described plastic film 2 of longitudinal welding tubular form be arranged on for be fed to plastic film 2 this to being with 9 and 9 ' upstream, and tubulose forming element 1 inside holds the second back reaction rod 12 for described first longitudinal welding bar 11.Described longitudinal welding bar 11 can be along the longitudinal axes L displacement up or down of tubulose forming element 1, or on the direction T vertical with longitudinal axes L laterally away from tubulose forming element 1 or towards 1 displacement of tubulose forming element.Abut against the second bar 12 that described the first bar 11 works only moves and moves with described the first bar 11 simultaneously on longitudinal direction L.The downstream of tubulose forming element 1, on the both sides of the film 2 away from described tubulose forming element 1, be provided with two unit 14 and 14 ' of the packing obtaining for horizontal welding and cutting, shown in figure, comprise a packing 13 of specified rate product 6.These welding unit 14 with 14 ' each with associated such as the actuating device of a pair of chain 15 and 15 ' (see figure 6), band etc.These chains 15 and 15 ' each around a pair of toothed 16 windings of taking turns, at least one in described wheel is connected to handling device (not shown).Being fastened to every pair of chain 15 is positioned at along the relative position of diameter with respect to described chain 15 and 15 ' with 14 ' with two welding unit 14 of 15 ', described chain 15 and the 15 ' side along film 2---for example, referring to two chains 15 in Fig. 1---define two sealings and identical circular path, and described welding unit 14 and 14 ' moves along described circular path.
Forming the collar 7 and tube element 1 is fixed and is fastened to supporting construction 17---see Fig. 2 of accompanying drawing.Described supporting construction 17 also has the guiding piece 18 being fastened on it, for operating the slide block 19 of longitudinal welding bar 11, can slide along guiding piece 18, and described slide block is secured to support frame 20, and described support frame is connected to described slide block 19 via crossbeam 21.As implied above, longitudinally welding bar 11 also can cross travel, and for this purpose, actuator (not shown) and a pair of lateral guides 22 are provided for this operation.Described longitudinal welding bar 11 must be always facing to the back reaction rod 12 shown in Fig. 1 in welding operating period, and is in fact in contact with it; Therefore along tubulose forming element 1, form the longitudinal slot 101 with suitable shape, described back reaction rod 12 can be inner slip of described groove 101.Longitudinal slot 101 is towards tubulose forming element 1 enclose inside to prevent product 6 from described tubulose forming element 1 out, and longitudinal slot 101 forms a kind of longitudinal recess of suitable shape in essence.The described formation collar 7 comprises rear surface 107 and two front surfaces 207 and 207 ' as shown in the figure, described rear surface 107 is visible in Fig. 1, it has gradient, film 2 is roughly moved towards the top of tubulose forming element 1, therefore have gradient upwards, described two front surfaces 207 tilt and roughly separate each other the amount with the equal diameters of tubulose forming element 1 along the direction contrary with described rear surface 107 with 207 '.Form the collar 7 comprise be positioned at described front surface 207 and 207 ' each downstream, for making the general triangular element 307 and 307 ' overlapping according to the band of the film 2 of Fig. 1.These are for making the overlapping element of plastic film 307 and 307 ' stacked on top of each other and mutually intersect along their end, thereby but the band of the described film that is properly spaced out each other can pass through between them.Tubulose forming element 1 and the formation collar 7 are also spaced apart from each other and make film can be inserted between them: at this on the one hand, between described tubulose forming element 1 and the described formation collar 7, form the annular chamber 23 with proper width, for introducing, will form according to the film of the packing 13 of Fig. 1.Substantially, plastic film with the form of sheet material by forming the rear-inclined surface 107 of the collar 7 and being then wound onto on two inclined surfaces 207 and 207 ', thereby because these surface inclinations of 207 and 207 ' form two bands and towards moving each other, then a band passes through from overlapping element 307 tops, alternative in vitro test is passed through between described element 307 and overlapping element 307 ', finally, so overlapping band is introduced into annular chamber 23, so that acquisition tubular plastic film, there is the shape corresponding with tubulose forming element 1 and have overlapping, next pass through movably two longitudinal bands of longitudinal longitudinally welding of welding bar 11.
Fig. 3 illustrates the side view cutaway drawing that forms the collar 7.If see, film 2 is introduced into the annular chamber 23 being formed between tubulose forming element 1 and the described formation collar 7.With reference to this figure, in the left-hand side of tubulose forming element 1, can notice and be noted as 2 ' and 2 ' ' two overlapping longitudinal bands of film 2, they are welded to together by longitudinal welding bar 11.By establishing the actuator 24 of related piston 25, described longitudinal welding bar is cross travel (in the time must carrying out welding) forward as mentioned above, or backward displacement to move away from tube element 1.Longitudinally the cross travel of welding bar 11 is guided by lateral guides 22, and described lateral guides is inner slip of associated through hole 26 with being formed in the framework 20 that supports welding bar 11.Described support frame 20 also supports back reaction rod 12 by arm 27, and in fact described arm 27 is connected to described plate 12 by longitudinal rod 28.Described back reaction rod 12 slides in longitudinal slot 101 inside as mentioned above, and is positioned on the outward flange of described longitudinal slot 101, to facing welding bar 11 apart from welding bar 11 minimum distance.Owing to supporting securely the described support frame 20 of bar 11 and 12, described bar 11 and 12 can move up or down in a longitudinal direction simultaneously, by the film being fused 2 always between them.
Fig. 4 illustrates for being fed in a longitudinal direction one of two bands of film 2 downwards, is to be with 9 in said case.Describedly be with 9 by pair of rolls 10 and 10 ', to be driven rotatably, and the film 2 that must be fed described with 9 towards the side of tubulose forming element 1 and also contact with film and be designed to allow band to be fed to forward between one group of counter roll 29 of described film 2.These counter roll 29 are arranged in the longitudinal slot 101 ' inside that is formed on tubulose forming element 1, and substantially along the outward flange of described groove 101 ', locate to contact with film, yet do not interfere with the tubulose extension around tube element 1 of film.Described longitudinal slot 101 ' in at the longitudinal slot 101 ' shown in Fig. 2 and Fig. 3 along the relative part of diameter.Described longitudinal slot 101 can lay as mentioned back reaction rod 12 and for be fed to film 2 another with other counter roll of 9 '.In this embodiment, longitudinally aiming at welding bar 11 and associated back reaction rod 12 with 9 ' shown in Fig. 2 therefore only forms along two relative longitudinal slots 101 and 101 ' of diameter in tube element.If for example welding bar 11 will be positioned in respect to along those relative feed shelves 9 of diameter and 9 ' place in 90 °, will on tube element, form three longitudinal slots, one for holding 12, one of back reaction rods for the counter roll with 9 ', and one for the counter roll with 9.
Fig. 5 and Fig. 6 with reference to accompanying drawing, the following describes horizontal welding unit, and described unit has top and the bottom of the packing 13 shown in welding Fig. 1 during packing is processed and makes to pack function separated from one another simultaneously.Fig. 6 illustrates two welding unit 14 and 14 ' in the left side of the film 2 in Fig. 5.These welding unit 14 or 14 ' each at free end, comprise a pair of welding tooth 30 being hinged to by pin 31 on the strut member 32 that is anchored on plate 33, described plate 33 is connected to for driving a pair of chain 15 and 15 ' of welding unit 14 and 14 ' by a pair of arm 34 and a pair of associated axle 35.So each and associated welding unit 14 or 14 of two plates 33 ' can move together.These welding unit 14 or 14 ' each also comprise aligning gear, thereby when the situation of two welding unit in facing with each other, guarantee their correct aligning.This situation can be clear that in Fig. 5, two welding unit 14 that wherein driven by the chain of the side in along film 2 face with each other and welding described in film 2: in fact the welding unit 14 of the left-hand side in film 2 is provided with two recesses 36 between welding tooth 30, simultaneously the welding unit 14 of the right-hand side in film 2 is provided with two noses 37 between welding tooth 30, and described nose has the shape with the form fit of described recess 36.Shown in Fig. 6 for driving two chains 15 of welding unit 14 and 14 ' and each of 15 ' around this, longitudinal aligning toothed to be taken turns to 16 and 16 ' and be wound around.Toothed shown in Fig. 6 takes turns 16 and 16 ' around axle 38 bondings, and described axle 38 is connected to driver element 39, described driver element 39 and then be connected with motor, and described motor operates in fact and makes toothed axle 38 of taking turns 16 and 16 ' rotation.In Fig. 6, Reference numeral 40 represents to support the fixed sturcture of a pair of circular orbit 41 that has led to electricity.Four welding unit 14 and 14 ' each in one end of plate 33, comprise for supporting the arm 42 of a pair of carbon brush 43, described carbon brush and associated energising track 41 contacts.This is formed on the carbon brush 43 of portable welding unit 14 and 14 ' and the slip between associated fixedly energising track 41 and electrically contacts and guaranteed that electric current is supplied to four welding unit 14 and 14 '.Contrary end, the end with being positioned with arm 42 of each of plate 33 is provided with another arm 44 that supports pair of metal 45 for each of four unit 14 and 14 ', each of described ferrule 45 is designed to slide on metal ring track 46, and described circular orbit is positioned at a side contrary with energising track 41 place one sides on fixed sturcture 40.These sliding metal heads 45 transfer heat to the unshowned sensor device that is connected to control unit, and described control unit is controlled the open and close of power supply, to keep the temperature constant of welding system.Chain 15 as above and 15 ' drives two welding unit 14 and 14 ' at them during closed ring path movement, and welding unit is also included within described closed ring and between moving period, correctly guides their bracing or strutting arrangement.Described bracing or strutting arrangement comprises the fixed cam track 47 for each welding unit 14 and 14 ', and a pair of idler roller 48 is advanced along described track.These rollers 48 are installed on plate 49, thus described plate 49 be connected to associated arm 34 can be with respect to arm pivotable.The middle body of Fig. 6 illustrates for being controlled at the second cam rail 50 of the cutter sweep of the outfit welding unit 14 that the following describes and 14 '.Be arranged on the inside that idler roller 51 on the slip-on head 52 that has been equipped with welding unit 14 and 14 ' is bonded on described cam rail 50.If from Fig. 5, notice like that, the welding unit 14 of each of two welding systems and 14 ' is being connected on two driving chains 15 and 15 ' along diameter relative position place with respect to closed ring path, must advance along described circular path in described welding unit, and described circular path comprises: the first straight working portion, and two unit for example face with each other and contact with each other along described the first straight working portion in two unit 14; The first that connects arc form; The second straight returning part, two other unit---be two unit 14 ' in this case, it is equally in maximum along diameter relative position and mutual distance---along described the second straight returning part location; With the second annular connecting part.
Therefore,, by the above-described unit 14 and 14 ' for horizontal welding and cutting packing, can obtain the packing completing that there is a certain amount of product inside.Fig. 7 illustrates and describes and compare a part that has this wrapping machine of a plurality of modification above.The back reaction rod 12 that replaces the longitudinal welding bar 11 shown in Fig. 1, tubulose forming element 1 has and is positioned at inner, coaxial with tubulose forming element 1 and has a removable tubulose member 53 of the shape corresponding with its shape.Described tubular member 53 is as the reaction member for longitudinal welding bar 11, and thereby product inject its inside.Thereby in tubulose forming element 1, form the longitudinal slot 201 that can see in Fig. 9, to allow tubular member 53 and longitudinally cooperation between welding bar 11.In this embodiment, plastic film 2 is also provided with the formation collar 7 shown in Fig. 1 equally around tubulose forming element 1 parcel and wrapping machine.Described tubular member 53 is fixed to movable bar 54, and movable bar 54 supports the band slit attaching parts 65 of one with it.Described bar 54 can be along moving with the fixed guide 55 of supporting construction 60 one, and actionless tubulose forming element 1 is also fixed to described supporting construction 60.Described bar 54 is shown in this figure is dipping completely along guiding piece 55.These guiding pieces 55 form along the side of center plate 56.The axle 57 that described plate 56 is driven by a motor passes, and described axle has and is fixed to the disk 59 of its end and on it, bonding first is toothed takes turns 58.In described disk 59 its peripheries, be provided with the eccentric pin inserting with slit attaching parts 65 inside.Two lobe formula cams (twin-lobe cam) 61 be also connected to movable bar 54 and have connection thereon second toothedly take turns 62.For the chain 63 that the motion from motor drive shaft 57 is sent to disk 59 and is finally sent to cam 61, around these, first and second toothedly take turns 58 and 62 and be wound around.At zone line, described driving chain 63 is also wound around around laterally movable roller 66, can guarantee always correctly tensioning of chain.Two pins 67 are fixed to every one end of described movable bar 54, the right hand end when seeing this figure for example, each of these pins has the end of the arm 68 being mounted thereon, the other end of described arm is fixed to another pin 69, described another pin 69 is fixed on plate 70, the first folding component 71 is connected on described plate 70, described folding component 71 reaches the point near its longitudinal diad L towards tubulose forming element 1, and can be with respect to described axis L from the minor increment cross travel apart from described axis L shown in this figure to the ultimate range apart from described axis L shown in Fig. 8.Motion along with cam 61, two arms 68 can be around associated pin 67 and 69 pivotables, as found out from below, thereby the plate 70 by movable bar 54 and supported folding member 71 forms a kind of hinged parallelogram, thereby folding component 71 is carried out arcuation motion up or down substantially, yet keeps always in the level with respect to longitudinal axes L or horizontal position simultaneously.Two pins 67 ' are in addition fixed to the left hand end (when seeing this figure) of movable bar 54 similarly, in the mode with same as mentioned above, described pin has the end of two arms 68 ' that are mounted thereon, these two arms are connected to the pin 69 ' that is fixed to plate 70 at the other end, folding component 71 ' is connected in described plate 70, described folding component 71 ' is identical with folding component 71 and with respect to tubulose forming element 1 and therefore with respect to longitudinal diad L and folding component 71 symmetries of packing, described packing obtains the film by around described tubulose forming element 1 parcel 2.Two lobe formula cams 61 cooperate with two idler rollers 72 and 72 ', and described two idler rollers 72 are positioned at along the relative position of diameter and are installed to associated strut bar 73 and 73 ' upper with respect to described cam 61 with 72 ': these bars 73 and 73 ' are respectively fixed to the arm 68 and 68 ' towards tubulose forming element 1.Folding component 71 and 71 ' has two functions along the relative side of diameter of the bottom of the folding packing forming by plastic film 2.
As Fig. 9 of the lateral plan of above-mentioned Fig. 7, the kinematic link that allows each moving-member operation of describing in Fig. 7 is shown.74 represent for the motor via one group of transmission and deceleration member operating axis 57, toothedly take turns 58 and be bonded on described axle 57 and described axle has the disk 59 that is fixed to its end, described disk 59 is provided with to insert and is arranged on the eccentric pin 64 with slit attaching parts 65 inside on movable bar 54.Therefore, following parts are connected to along the movable bar 54 of guiding piece 56 in the vertical directions: be positioned at the fixedly tubular member 53 of tubulose forming element 1 inside---via for described tubular member 53 being connected to the plate 76 of described bar 54; Two lobe formula cams 61---by establishing the strut member 77 of related bearing, be connected to the bar 78 being connected with described movable bar 54; A plurality of folding components (can see the folding component wherein 71 shown in Fig. 7 in this figure)---by be connected to the pass joint arm 68 of plate 70 and bar 54 via pivotal pin 67 and 69; Longitudinal welding bar 11 shown in Figure 1, it cooperates with tubulose reaction member 53 by longitudinal slot 201 and passes through actuator 24 cross travels.Described longitudinal welding bar 11 is connected to plate 76 by the pass link rod 20 ' of framework 20, thereby moves in a longitudinal direction when welding bar 11 described in movable bar 54 is during along guiding piece 55 displacement and described tubulose reaction member 53 simultaneously.
Fig. 8 illustrates for the member 71 of the bottom of FOLD AND PACK and 71 ' in apart from tubulose forming element 1 and the therefore situation of the longitudinal axes L maximum distance apart of plastic film.In this case, due to the rotation of the disk 59 moving by motor 74, eccentric pin 64 is with respect to the position Rotate 180 ° shown in Fig. 7.The described rotation of eccentric pin 64 by with movable bar one and engage with described eccentric pin 64 with slit attaching parts 64, cause the rising of movable bar 54, and therefore cause the rising at the tubulose forming element 1 inner tubulose reaction member 53 sliding.Toothedly take turns 58 and be also bonded on axle drive shaft 57, and by driving chain 63, cause the rotation of two lobe formula cams 61---half-twist in this embodiment, to move to the position shown in Fig. 8 from the position shown in Fig. 7.The rotatablely moving of the rising campaign of simultaneous bar 54 and cam 61 produces the pivoting action of a pair of arm 68 and 68 ' and to top offset, this is provided with bar 73 and 73 ' to arm 68 and 68 ', bar 73 with 73 ' with the associated roller 72 and 72 ' of advancing along cam 61.Because thereby every pair of arm 68 and 68 ' is secured to bar 54 and is fastened to the fact that associated plate 70 and 70 ' forms a kind of hinged parallelogram, in order to move to the situation shown in Fig. 8 from situation shown in Fig. 7, therefore substantially the angular member 71 and 71 ' that is connected to plate 70 and 70 ' is raised and moves away from, but with respect to tubulose forming element 1 and always remain in level or horizontal position with respect to the longitudinal axes L of film.In order to guarantee the correct tensioning of driving chain 63, live roll 66, to outer displacement and therefore away from tubulose forming element 1, moves to the situation shown in Fig. 8 from the situation shown in Fig. 7.Also can be expressly understood can be how by make eccentric pin 64 again in rotary moving by 180 °, reduce movable bar 54 and make two lobe formula cams 61 half-twist and again transfer to the situation shown in Fig. 7 from the situation shown in Fig. 8 again.These are positioned at the upstream of the horizontal welding shown in Fig. 1, Fig. 5 and Fig. 6 and cutter unit 14 and 14 ' for the element 71 and 71 ' of the bottom of FOLD AND PACK.
Figure 10 illustrates two welding unit 14 that face with each other and be designed to carry out welding operation, the i.e. therebetween unit of film in Fig. 52.Each of these horizontal welding unit 14 comprises box-like body 79 and 79 '; Except fusion splicing devices, described box-like body also comprises film cutter sweep.In this embodiment, cutting blade 80 ' is positioned at the inside of the box-like body 79 ' of the welding unit 14 in top when with the aid of pictures; Meanwhile, with the phase blade 80 of the receiving surface of the contour correspondence shape with blade 80 ', be positioned at the inside of the box-like body 79 of the unit 14 in below.Obviously, blade and phase blade also can be put upside down, and blade 80 ' can be positioned at box-like body 79 inside of the unit 14 in below and the box-like body 79 ' inside that phase blade 80 can be positioned at the welding unit 14 in top.Blade 80 ' and phase blade 80 are all by through being formed at through hole 82 in plate shown in Fig. 6 33 and associated tubular member 81 supports associated with chain 15 and 15 '.Be used for guiding the axle 83 of blade 80 ' and phase blade 80 be also fixed to described plate 33 and can be formed at inner slip of pass linked hole 84 of 52 inside shown in Fig. 6.Box-like body 79 ' and 79 is also connected to plate 33 by the supporting member 85 being arranged on tube element 81 sides.Two unit 14 provide electric power by electric coupler 86.As mentioned above, 50 represent to be used for controlling two cam rails of cutting blade 80 ' and phase blade 80, connect 52 idler roller 51 to the end and advance in described track inside.Therefore, due to close that the translation of syncranium 52 is moved and therefore tube element 81 in the translation that is formed at two pass linked hole 82 inside in plate 33, move, described blade 80 ' and phase blade 80 can move in opposite direction transverse to film 2.Figure 10 illustrates blade 80 ' and the phase blade 80 in ultimate range each other, and Figure 11 illustrates and is engaged with each other to cut identical blade and the phase blade of film 2: as by relatively Figure 10 and Figure 11 can notice, two statures 52 move to carry out transverse translation towards mobile each other, and between this moving period by axle 83 sliding motion in through hole 84 and by tube element 81 at the sliding motion of through hole 82 inside and directed.
The situation illustrating respectively in Figure 10 and Figure 11 is also summarily respectively shown in Figure 12 a and Figure 12 b, in Figure 12 a, can see that cutting blade 80 ' laterally aims at respect to phase blade 80, but be spaced from, and in Figure 12 b, can see that described blade 80 ' engages with corresponding phase blade 80.Each of cam rail 50 that the roller 51 of guiding blade and phase blade supports described head is within it that blade 80 ' must have with the region that phase blade 80 engages towards the part 50 ' that cut film 2 is offset at cutting zone, to allow blade and phase blade towards moving each other, so cam rail 50 is close to each other along this part 50 '.
Figure 13 illustrates for being fed to two of film 2 and is with 9 and 9 ', film have shape with film around tubular structure corresponding to the shape of the tubulose forming element 1 of its parcel.These move with the 9 and 9 ' motor 87 by operation axle drive shaft 88, and one of two rollers with 9 ' are that roller 10 ' and first is toothedly taken turns 89 and is bonded on axle drive shaft 88 in this embodiment.Rotating band or chain 90 are toothedly taken turns 89 windings around described, and walk around to be bonded to for supporting and rotating and describedly with second on the axle 92 of 9 roller 10 ', toothedly take turns 91.Then described chain is wound around around a pair of toothed power wheel 93.With 9 and 9 ', be installed in associated plate 94 and 94 ' and go up, described plate 94 and 94 ' is carried out respectively around axle 92 and 88 slight pivoting actions.These plates 94 and 94 ' and then be installed on pivot structure 95, described pivot structure is hinged on fixed sturcture (not shown) pivotly by pin 96.Support belt 9 and 9 ' plate 94 and 94 ' comprise respectively arm 97 and 97 ' at top, for connecting the bar 99 of described plate 94 and 94 ', by a pair of pivotal pin 98 and 98 ', be connected to described arm 97 and 97 '.Operation film feed shelf 9 and 9 ', they are moved up in the side of arrow T and T ' and the inner side that always keeps them with will be contacted by longitudinal film 2 being fed to downwards.In fact guarantee that with the pivot rods 99 of pivot structure 95 combination these are with 9 and 9 ' always with tubulose forming element 1 and thereby aim at film 2.And these are with 9 and 9 ' the tubulose forming element 1 that can be adapted to any width or diameter; In fact, if we imagine that tubulose forming element 1 has than width large shown in figure or diameter, with 9 by than the position that situation is low being shown and always contacting with film 2, and with 9 ' by than the position that situation is high being shown and equally always contacting with film 2.By also thering is weight balance function (if be therefore with 9 reductions and be with 9 ' to raise, motor 87 will also be raised) motor 87 and by structure 95, with respect to the fact of pin 96 pivotables, (plate 94 and 94 ' can be with respect to axle 92 and 88 pivotables, the bar 99 of connecting panel so can be around pin 98 and 98 ' pivotable), make this position comformability with 9 and 9 ' become possibility.The correct restriction of the weight of motor 87 guarantees the correct pressure with 9 and 9 ', and it must be fed to film 2 downwards along tubulose forming element 1.
Figure 14 a illustrates one of cam rail 47 of one of two welding unit 14 with shown in Fig. 6.Roller 48 is supported by pivot plate 49, and described pivot plate 49 is connected to and is closed joint arm 34 and thereby be connected to plate 33 by pivotal pin 100.The actual heat sealing machine not going out in figure is positioned at the side of plate 33.Described plate 49 around pin 100 pivotables allows cam rail to form the curve also with small curvature radius, because roller 48 can be adapted to these curves.In all four kinds of situations shown in Figure 14 a-d, cam rail 47 has working track part 147a-d, i.e. two welding unit 14 and the 14 ' part that faces with each other and carry out horizontal welding operation along it, for example as shown in Figure 5.Each of these working portions 147a-d has in its end for being fixed to the pin 102 of the remainder of cam rail 47, and thereby these working portions 147a-d interchangeable.Working portion 147a shown in Figure 14 a is straight, thereby effectively weld overlaps with described working portion, and is represented by A1.Working portion 147b shown in Figure 14 b alternately has offset portion 247b, in this place, unit 14 or 14 ' be spaced apart from each other and therefore welding does not occur, effectively therefore weld is represented by sections A2 in essence.Under the situation shown in Figure 14 c, live part A3 is shorter than part A2, and due to offset portion, 247c has length, and in Figure 14 d, live part A4 has less length, and the offset portion 247d of cam rail 247 has the length larger than afore-mentioned.If supposition is under each of situation shown in Figure 14 a-d, advance with identical speed along cam rail with associated plate 33 in welding unit, part A1-A4 represents to carry out the time that the horizontal welding of package base will spend, in other words, weld time is shorter, the length of working portion A1-A4 is shorter, and the length of the bag that utilizes this wrapping machine to obtain is less.In this embodiment, if cam rail 47 is provided with the working portion without offset portion, as shown in Figure 14 a, to obtain than the larger packing of working portion length of using as shown in Figure 14 b-d subsequently, alternatively, if use the working portion that comprises offset portion 247d as shown in Figure 14 d, the packing of the length less than all other situations shown in Figure 14 a-c will be obtained.
Figure 15 illustrates another modification of this wrapping machine, wherein has and is engaged with each other so that three pairs of horizontal welding unit of welding film 2, be i.e. the first pair of welding unit 14, second pair of unit 14 ' and the 3rd pair of welding unit 14 ' '.So three pairs of welding unit 14,14 ' and 14 ' ' be arranged in edge each kinematic link of the side of the film being fused 2.Similar shown in situation and Fig. 5, in Fig. 5, two welding unit 14 and 14 ' are arranged on each driving chain 15.In this embodiment, welding unit 14,14 ' and 14 ' ' each along triangle closed ring path, advance, thereby three of arranging in the same manner around mutual distance of driving chain 15 are toothed, take turns 16 windings.Welding unit 14,14 ' and 14 ' ' along in one toothed take turns and next toothed wheel between chain part midway, thereby they are also with same distance separated from one another.The energising track 41 that carbon brush 43 slides thereon will also have triangular shaped, because cam rail 47 will guide welding unit 14,14 ' and 14 ' ', therefore described track 47 is followed in driving chain 15 and toothed path of taking turns 16 outsides.
Figure 16 illustrates for selecting and unload the device from the packing completing of this wrapping machine.103 represent anchoring base, for example, be the form of disk, comprise the mouth 104 of the packing 13 for having unloaded along its periphery.Fixed disc 103 has the through hole 105 receiving by the axle 106 of operation associated device (not shown) rotation in central authorities.Rotating circular disk 107 is connected to described axle and is provided with one group of compartment 108, and described compartment packs 13 for what finish receiving after the top of having packed with each and welding of Related product packing at wrapping machine and bottom.These packings due to disk 107 with respect to fixed disc 103 along given arc-shaped path of movement, until their arrive unloading mouth 104, such as load-transfer device etc., can be arranged on downstream, in described unloading mouth below.
All figure shown in reference, will be described below the operation of this wrapping machine now.In the first wrapping machine operational phase, plastic film 2 must be manually around tubulose forming element 1 location, until near the region of feed shelf 9 and 9 ', be describedly with 9 and 9 ' initially will be disposed in the suitable distance of the described tubulose forming element 1 of distance.Operator is around forming the rear surface 107 of the collar 7 and then around front surface 207 and 207 ' wrap film 2, and then it inserted to annular chamber 23: a band of film 2 will be positioned in another band that is positioned in triangular element 307 tops and film between two overlapping triangular elements 307 and 307 '.At this, film 2 presents tubular form, with two overlapping longitudinal bands 2 ' corresponding to the shape with tubulose forming element 1 and 2 ' ', and film 2 moved again by hand, until the region of feed shelf 9 and 9 '.Due to pin 96 rotations around associated supporting construction 95, these are oriented to correctly contact with 9 and 9 ' film 2 of arranging around tubulose forming element 1.By also thering is the motor 87 of weight balance function, guarantee described with 9 and 9 ' with film 2 and tubulose forming element 1 between contact.As mentioned above, with 9 and 9 ' the tubulose forming element 1 that can thereby be applicable to any width or diameter.In this, motor 87 activated and roller 9 and 9 ' starts to be fed to the film 2 of tubular form downwards.During being fed to downwards of film 2, longitudinally welding bar 11 together with back reaction rod 12 or tubular member 53 to bottom offset, and longitudinal two overlapping bands of welding film 2.The device that bar 11 is shown in FIG. 9 and mechanism operation.Described bar 11 must be with than the large speed of the speed of the film being fused 2 is longitudinally moved down, once a part for film 2 be fused, by cross travel to move away from tubulose forming element 1, back reaction rod 12 or tubular member 53 keep static simultaneously.Bar 11 and bar 12 or tubulose reaction member 53 upwards longitudinal travel and therefore bar 11 by again towards tubulose forming element 1 cross travel to form new longitudinal welding.Two overlapping bands 2 ' and 2 ' due to film 2 ' described longitudinal welding must be carried out continuously, so film 2 along tubulose forming element 1 move and the circulating motion of bar 11 must be by suitably synchronous.When film 2 arrive tubulose forming elements 1 end and from it outstanding suitably apart from time, the first horizontal welding unit for example two unit 14 carries out the initial welding of the bottom of the first packing, the product of appropriate amount is introduced by the entrance mouth via tubulose forming element 1 simultaneously.Once this first welding operation is done, for example consider having the structure of two unit 14 and 14 ', these one or two unit 14 that carried out welding must be in ultimate range each other and replacing apart from the second two unit 14 ' of film 2 ultimate ranges for each conveyer chain 15 as shown in Fig. 1 and 5.Obviously, formation is moved with identical speed along the driving chain 15 and 15 ' of the circular path of the side of film 2.In the second two welding unit 14 ', arrive operating position and be the time durations that position that they face with each other spends, comprise product and move between closed ring conveyer chain 15 and 15 ' along the packing of bottom weld, therefore and when these the second welding unit 14 ' face with each other and on time, the first packing 13 is carried out to the welding of package top, as seen in Fig. 1.The described top of the first packing 13 forms the bottom of the next one packing being formed.Once welding completes, cutting blade 80 ' and phase blade 80 are stretched out from described the second two welding unit 14 ' so that the packing having obtained, and the packing completing is allowed to one of compartment 108 falling into rotating circular disk 107.Thereby recur and do not interrupt for the production of the circulation of packing, shown in Figure 15 three the welding unit 14,14 ' and 14 ' that comprise ' the situation of structure in so same because advantageously longitudinally welding bar 11 and horizontal welding unit 14,14 ' and 14 ' ' all due to conveyer chain 15 and 15 ' and along closed ring path movement.As found out from above, before the bottom weld of packing, this wrapping machine can be provided with folding component 71 and 71 ', and described folding component 71 and 71 ' is via according to the motor 74 of Fig. 7 and 8 control lever 54 with articulated jib 68 and 68 ' moves and form member 1 or form member 1 and therefore towards the film 2 of tubular form or away from film 2 transverse shiftings of tubular form away from tubulose towards tubulose simultaneously.These folding components 71 and 71 ' have folding will form two functions along the relative band of diameter of the film 2 of packing, and its each with respect to the horizontal welding unit 14 and 14 ' that is arranged in described folding component downstream, be positioned at approximately 90 ° and locate.Due to the roller 72 of advancing on two lobe formula cams 61 and 72 ' and the rotation of cam 61, these folding components 71 and 71 ' movement are also continuous, thereby the motion of these folding components also must be synchronizeed with all the other moving-members of this wrapping machine.
The distortion of this wrapping machine will be described below, wherein longitudinally welding bar 11 with respect to tubulose forming element 1 with therefore carry out the cross motion backward and forward on direction T with respect to film 2.Described motion is because the linear actuators 150 summarily illustrating in Fig. 1 becomes possibility.In this embodiment, the welding that described longitudinal welding bar 11 is relative with two shown in Figure 17,18 and 19 and cutter unit 114 packings of welding simultaneously.The motion of described bar 11 and described unit 114 obviously will be synchronous.With reference to this Figure 17,18 and 19, each of the described unit 114 of packing for horizontal welding and cutting comprises a pair of welded joint 151.Cutting blade 80 ' is inserted into when seeing Figure 17 and 18 between the welding in right-hand side and two statures 151 of cutter unit 114, and phase blade 80 is inserted between two statures 151 of the unit 114 in left-hand side simultaneously.Each of two unit 114 be connected to be provided with associated strut member 153 linear actuators 152 and can before and after transverse shifting, and therefore towards or away from two films 2, move, associated unit 114 is for horizontal welding or cutting packing.Each of unit 114---is for example shown in the unit that is equipped with blade 80 ' shown in Figure 19---through being formed on the opening 154 in crossbeam 155.If see in Figure 18, the appropriate location that two crossbeams 155 face with each other and two film 2 is sandwiched between them, wherein, during welding and cutting, two unit 114 will be through crossbeam 155.Each of crossbeam 155 is supported by stay bearing plate 156 in each end, for example, referring to Figure 19, wherein can see that each crossbeam is provided with two stay bearing plates 156 that are connected to its end.Each of plate 156 is provided with pair of pin 157, and plate 156 is connected to associated driving chain 158 by described pin 157, and described driving chain 158 is taken turns 159 and carried out general triangular motion around three of disposed at equal distance are each other toothed.The structure of holding these two welding unit 114 comprises two parallel side walls 160 that link together by crossbeam 161.Two tracks that are arranged symmetrically with 162 with general triangular shape are fixed to each of described sidewall 160---at this one side comparison diagram 17 and 19.The plate 156 of supporting traverse 154 moves along these triangle tracks 162 by two pair rollers 163, and described roller 163 inertia are advanced and contacted with the either side of described track.Every pair of described roller 163 is secured to plate 164, and described plate 164 is freely around center pin 165 pivotables with plate 156 one, to follow curve along the triangular paths of track 162.Four driving chains 158 are along associated track 162 location, and in every pair of chain on being arranged on each sidewall 160, these chains 158 are also relative to each other arranged symmetrically with, as seen from Figure 17.These chains can be by making motor 166 operations of associated axle 167 rotations, and described axle 167 extends through described structure from a sidewall to another sidewall, and has bonding a pair of identical and counterrotating gear 168 thereon first.In essence, axle drive shaft 167 causes two gears 168 rotation, and these two gear bondings two axles be thereon described axle drive shaft 167 and driven shaft 167 ' from a sidewall to another sidewall through described structure, thereby guarantee that in fact four chains 158 are synchronized with the movement.167 ' represents other toothed other driven shaft of taking turns, and the bottom in Figure 17 illustrates.Significantly, in the chain 158 of every pair of drive plate being arranged symmetrically with 156, given chain moves up in the side contrary with other chain.As seen from Figure 17, this each part to each track of the track 162 being arranged symmetrically with is provided with plate 156, and described plate supports the associated crossbeam that is provided with opening 154 155.Therefore, in essence, described structure will be provided with three pairs of crossbeams 155, and each of described crossbeam is supported by a pair of plate 156.These crossbeams 155 are taken turns 159 along upper toothed shown in Figure 17 and contacts with two films, and keep contact between the two until their arrive toothed 159 the region of taking turns, close two belows.As can be understood, due to described triangle track, the two films 2 that are therefore used to form packing in fact always contact with the pair of beams 155 of rotation on triangle track 162, have guaranteed continuity favourable during packaging operation.
As mentioned above, in the modification of described wrapping machine, longitudinally welding bar 11 operates together with cutter unit 114 with two horizontal weldings.Consider the situation shown in Figure 17, in crossbeam 155 two are in place and while clamping two film 2, bar 11 is shown in Fig. 1 by actuator 150 towards tubulose forming element 1() displacement and carry out longitudinal welding of two overlapping bands of film 2.Meanwhile, two unit 114 pass by two actuators, 152 courts two films 2 displacements that are formed on two associated openings 154 in crossbeam 155.Each of these unit is equipped with two welded joints 151, thereby in Figure 17,18 and 19 top 151 by welding two film bands of the package base in upstream, simultaneously two film bands at the top of the two statures packing in downstream by welding in bottom.Meanwhile, with the blade 80 ' of associated phase blade 80 cooperations, these two packings in upstream and downstream are separated.Simultaneous longitudinal welding, horizontal welding and need in the cycle, have very short interruption at wrapping machine for separating of the cutting operation of packing, described interruption can be restricted to the time period with approximately 1/10 second, thereby the processing that this wrapping machine is implemented is actually continuous---and in the modification of just describing, be also like this.
Figure 20 illustrates for distributing and will be introduced in the distributing box 169 of discrete material of the entrance opening 5 of tubulose forming element.Described discrete material will be packed in the above described manner.Distributing box 169 comprises central metering units 171, and described central metering units is divided into two chambeies 172 and 172 ', and a certain amount of discrete material 173 can be introduced in described chamber via top entrance mouth 170.By way of example, shown in figure, be filled with the chamber 172 of discrete material 173.The bottom in these chambeies and top are closed by removable hatch door: chamber 172 is by hatch door 177a closed top and by hatch door 177b closing bottom, and chamber 172 ' is closed and closed by hatch door 178b in bottom by hatch door 178a at top.Described central location 171 is supported by suitable securing supports 174 on two opposite sides, simultaneously hatch door 177a, 177b, 178a and each in 178b by associated linear actuators 179 at a direction or another direction top offset.Described device 169 comprises diapire 175 in the downstream of central location 171, and described diapire is provided with for allowing discrete material 172 to enter the opening 176 of the entrance mouth 5 of tubulose forming element from described unit 171.
In essence, distributing box 169 guarantees that a certain amount of product always arrives tubulose forming element with effective and fast speed mode, thereby greatly improves the speed of this wrapping machine operational processes.Consider the situation shown in Figure 20, material 173 is introduced in chamber 172 by the open top in chamber 172, and described open top is because hatch door 177a opens in retracted position.Bottom hatch door 177b seals.The hatch door 178a in another chamber 172 ' and 178b be just in opposite location, namely top hatch door 178a sealing and bottom 178b opens.When the hatch door 177a in chamber 172 is opened, material enters entrance opening 5 by gravity: hatch door 177a and 178b sealing and hatch door 178a open simultaneously, allow a certain amount of other discrete material to be injected in another chamber 172 '.Described process is repeated, and discrete material alternately finally arrives entrance mouth 5 via 172He chamber, chamber 172 ', and when a chamber is cleared, another chamber is filled it up with simultaneously.
Figure 20 illustrates three movable baffle plate 182a-c and the 183a-c of two groups of positioned opposite.These baffle plates also can comprise than the more or less quantity illustrating, these baffle plates are arranged to appropriate intervals each other to be opened, and have form along the internal channel 180(discrete material 173 of tubulose forming element 1 via described internal channel 180 by) the alternately function of step.These baffle plates have in essence prevent by packaged discrete material by gravity one road unobstructed from the top of tubulose forming element, fall straight bottom function.At discrete material, be not solid or have resistant property in the situation that, this effect of falling is actually harmful and damages discrete material.If see, alternately, the baffle plate sequence therefore starting from the top of tubulose forming element is as follows: 182a, 183a, 182b, 183b, 182c and 183c for one group of baffle plate and another group baffle plate.Every group of removable baffle plate is connected to connecting panel 184 and passes through associated actuator 185 displacement up or down.Each of these baffle plates can be made and must be had certain flexible and elasticity by plastics or metal, thereby they can be suitably crooked.For holding respectively two chambeies 181 and 181 ' of the baffle plate 182a-c of these two groups of positioned opposite and 183a-c, be formed on centre gangway 180(discrete material 173 by described centre gangway 180) the outside of wall 186 of two positioned opposite.Each of the wall 186 of these positioned opposite is provided with hole 187, and each of described baffle plate is given prominence to from associated chamber 181 and 181 ' through described hole 187.If see, chamber 181 and 181 ' is at least in open-top, to allow, baffle plate 182a-c is outstanding from top with 183a-c to be operated with the actuator 185 by associated.
Set pin 188 is arranged in the inside in each chamber, and---example is chamber 181 as seen in Figure 22---and engaging with baffle plate along the eyelet 189 that is formed on baffle plate---in this referring to the front elevation that Figure 23 of three baffle plate 182a-c is shown.The length of these eyelets limits in fact each advance up or down of three simultaneously mobile baffle plates.
Each of these baffle plates---for example, referring to Figure 24 a and the baffle plate 182a shown in 24b---is formed on two curved slot guiding in two relative walls of described centre gangway during it moves into centre gangway 180 and shifts out centre gangway 180.These illustrate one of described groove, are formed on the groove 190 in the wall 186 of centre gangway 180.
Can easily understand the operating principle of these baffle plates.In Figure 21 a, three baffle plate 182a-c, in dipping, stretch out completely and are therefore formed for from the step of the discrete material 173 of entrance mouth 5 supplies from the hole 187 in chamber 181.Therefore described material is fallen on the first baffle plate 182a.Another group baffle plate 183a-c is in retracted position and rising completely.In this, baffle plate 182a-c is raised and retracts, and because their elasticity presents the position shown in Figure 21 b, baffle plate 183a-c reduces and insertion passage 180 simultaneously.Describedly be inserted through the elastic deformation of described baffle plate and carry out, described baffle plate is by groove 190 guiding above-mentioned and/or be inserted into slit 192 inside that are formed in wall 186, and wall 186 is relative with the wall that egress hole 187 is formed at wherein.Then discrete material 173 drops to the first baffle plate 183a from the first baffle plate 182a having retracted, little by little, towards the bottom of tubulose forming element 1, move steppingly.In this, baffle plate 183a-c is contracted and raises, and simultaneously baffle plate 182a-c stretches out and reduction and discrete material drop to baffle plate 182b from baffle plate 183a again.Described operation will be recurred, until discrete material arrives the bottom of tubulose forming element to prepare packing.
Claims (28)
1. automatic packaging machine, comprise tubulose forming element, packaged product is introduced in tubulose forming element, the at least one deck plastic film that is used to form packing wraps up around described tubulose forming element, it is characterized in that, described wrapping machine comprises: form device, described formation device is used for described plastic film to wrap up around described tubulose forming element, thereby makes at least two bands of described plastic film overlapping in a longitudinal direction; For be fed to the feeding means of described plastic film along described tubulose forming element; At least one removable longitudinal welding bar, described removable longitudinal welding bar can carry out longitudinal welding of the overlapping described band of described plastic film, and described removable longitudinal welding bar can move towards described tubulose forming element or away from described tubulose forming element at least in a lateral direction; With for horizontal welding and cutting, leave removable horizontal welding and the cutter unit of plastic film of the tubular form of described tubulose forming element, described removable horizontal welding and cutter unit are positioned at the downstream of described removable longitudinal welding bar and in plastic film at least two along the relative side of diameter;
Wherein, described removable longitudinal welding bar also can move up the either party of longitudinal direction with respect to tubulose forming element, described removable horizontal welding and cutter unit are fixed to guiding and driver element, and described guiding and the driver element described removable horizontal welding of permission and cutter unit are being followed circulation closed circular path and moved; And
Wherein, the movement that described removable longitudinal welding bar is followed circulation closed circular path comprises: first longitudinal welding on the direct of travel of plastic film is moved, and now described removable longitudinal welding bar is positioned at apart from tubulose forming unit minimum distance; The second cross motion away from tubulose forming element; The 3rd longitudinal return movement in the opposite direction direction with described first longitudinal welding campaign; With the final cross motion towards tubulose forming element.
2. according to the wrapping machine of claim 1, it is characterized in that: described removable longitudinal welding bar comprises reaction device, described reaction device is positioned at tubulose and forms element internal and can be along the longitudinal movement together with described removable longitudinal welding bar, described tubulose forming element is provided with longitudinal slot, and described longitudinal slot is designed to allow described removable longitudinal welding bar to cooperate with associated reaction device.
3. according to the wrapping machine of claim 2, it is characterized in that: described reaction device comprises the back reaction rod of the longitudinal slot inside that is positioned at the sealing forming along tubulose forming element, described back reaction rod is positioned to flush with the outside face of described tubulose forming element, thereby makes the overlapping band of the plastic film of the longitudinal welding of quilt between described back reaction rod and described removable longitudinal welding bar.
4. according to the wrapping machine of claim 2, it is characterized in that: described reaction device comprises the tubular member that is positioned at coaxially tubulose formation element internal, and described tubulose forming element is provided with the longitudinal slot cooperating between the described removable longitudinal welding bar of permission and the described tubular member of described reaction device.
5. according to the wrapping machine of claim 1, it is characterized in that: described removable longitudinal welding bar is connected to the actuated slider of sliding along the longitudinal guide part that is fixed to supporting construction by associated movable framework, described slide block is by the displacement of proper handling device.
6. according to the wrapping machine of claim 1, it is characterized in that: described tubulose forming element comprises the formation collar in upstream, described formation cover is equipped with rear-inclined surface, in the side with described rear-inclined surface opposite acclivitous two front surfaces and for making at least two the overlapping overlapping elements of two bands around the plastic film of described front surface parcel, described overlapping element is properly spaced out each other.
7. according to the wrapping machine of claim 1, it is characterized in that: for be fed to the described feeding means of plastic film along tubulose forming element, comprise at least one pair of band, described at least one pair of band contacts also thereby contact and be provided with plastic film suitable conveying roller with tubulose forming element along the relative position of diameter at two.
8. according to the wrapping machine of claim 1, it is characterized in that: for guiding and drive described guiding and the driver element of removable horizontal welding and cutter unit to form two sealings and identical circular path on the sidepiece of plastic film that leaves tubulose forming element, described removable horizontal welding is constrained on along on the relative position of diameter with in cutter unit at least two each along these two sealings and identical circular path, thereby each the removable horizontal welding in plastic film one side and cutter unit are along the straight work weld of described circular path and corresponding removable horizontal welding and cutter unit combination in plastic film opposite side.
9. wrapping machine according to Claim 8, is characterized in that: each of the described circular path being formed by described guiding and driver element comprises the first straight work weld, the first arc connecting bridge, the second straight returning part and the second arc connecting bridge.
10. wrapping machine according to Claim 8, it is characterized in that: each of the described circular path being formed by described guiding and driver element has triangular shaped and comprises three straight parts, in each straight part, be positioned with removable horizontal welding and cutter unit for horizontal welding and cutting plastic film.
11. wrapping machine according to Claim 8, it is characterized in that: each in described removable horizontal welding and cutter unit comprises welding tooth and cutter sweep in a side, described welding tooth is fastened to supporting member by swivel pin, and described supporting member is fastened to at least one pair of driving chain or band along removable horizontal welding described in described closed ring path drives and cutter unit.
12. according to the wrapping machine of claim 11, it is characterized in that: each removable horizontal welding and cutter unit are included in the aligning gear between described welding tooth, this aligning gear is used for allowing the first removable horizontal welding along circular path setting and cutter unit and the second associated removable horizontal welding arranging along another circular path that is positioned at the opposite side of plastic film and the correct aligning of cutter unit and relative positioning of the side in plastic film.
13. according to the wrapping machine of claim 12, it is characterized in that: this aligning gear comprise be formed on the first removable horizontal welding and cutter unit at the nose between described welding tooth and be formed on the respective slot on the second removable horizontal welding and cutter unit, described the second removable horizontal welding and cutter unit must be combined with described the first removable horizontal welding and cutter unit during the horizontal welding of plastic film and cutting.
14. according to the wrapping machine of claim 12, it is characterized in that: the supporting member that supports described removable horizontal welding and cutter unit is connected to stay bearing plate, arm is secured to described stay bearing plate, described arm has a plurality of contacts that are fixed thereon, described contact is realized moving contact along energising track, and described energising track is followed the described driving chain of removable horizontal welding and cutter unit or the path of band.
15. according to the wrapping machine of claim 1, it is characterized in that: each of described removable horizontal welding and cutter unit comprises the pair of rolls of advancing along cam rail, described cam rail guides described removable horizontal welding and cutter unit during described removable horizontal welding and cutter unit carry out circulatory motion along described closed ring path.
16. according to the wrapping machine of claim 1, it is characterized in that: each of described removable horizontal welding and cutter unit comprises ferrule, described ferrule is designed to slide along associated metal ring track, to detect the service temperature of described removable horizontal welding and cutter unit.
17. according to the wrapping machine of claim 14, it is characterized in that: each of described removable horizontal welding and cutter unit comprises box-like body, described box-like body has position at least one blade or phase blade in the inner, and described blade or phase blade can move up with transverse cuts plastic film the either party of horizontal direction.
18. according to the wrapping machine of claim 17, it is characterized in that: described blade or phase blade are connected to head, described head can cross travel and the carrying roller of advancing along the cam rail of controlling described blade or described phase blade, described head is connected to described blade or described phase blade by tube element, and described tube element is through described stay bearing plate.
19. according to the wrapping machine of claim 1, it is characterized in that: described wrapping machine comprises the folding component for the bottom of FOLD AND PACK, described folding component is positioned at the upstream of described removable horizontal welding and cutter unit and on two sides relative along diameter of the plastic film of tubular form, each of described folding component is connected at least one pair of longitudinal arm, described longitudinal arm can pivotable in case via suitable guiding and handling device towards or away from described plastic film and therefore towards or away from tubulose forming element, move.
20. according to the wrapping machine of claim 7, it is characterized in that: at least one of described conveying roller that is fed to one of the described band of plastic film is fixed to an axle, described axle is connected to for operating described band and as the motor of the counterweight of described band, each of described band is supported by plate, described plate is with respect to a structure pivotable, and described structure is hinged on a fixed sturcture pivotly.
21. according to the wrapping machine of claim 20, it is characterized in that: will for described band at least one at least one conveying roller and by described motor operated described axle, there is bonding toothed wheel thereon, band or chain are wound around to transmit motion to the second toothed wheel theing be bonded on the second axle around described toothed wheel, and described the second axle is set at least one conveying roller of another band that is fed to plastic film.
22. according to the wrapping machine of claim 15, it is characterized in that: guide the described cam rail of removable horizontal welding and cutter unit comprise interchangeable and have a work weld of effective horizontal welding part of different length.
23. according to the wrapping machine of claim 1, it is characterized in that: described wrapping machine comprises that two for removable horizontal welding and the cutter unit of horizontal welding and cutting plastic film, these two removable horizontal weldings and cutter unit are arranged opposite to each other and are designed to welding and cutting plastic film when the removable longitudinal welding bar that is positioned at upstream carries out longitudinal welding.
24. according to the wrapping machine of claim 1, it is characterized in that: described wrapping machine comprises for the plastic film for the treatment of welding being clamped to multipair movable fixture in place, described movable fixture is provided with at least one for receiving horizontal welding head and for the opening of the element of transverse cuts plastic film.
25. according to the wrapping machine of claim 24, it is characterized in that: for plastic film being clamped to described movable fixture in place, by the plate that is designed to advance along closed ring track, support, for driving the movable fixture of described plate to be arranged along described track.
26. according to the wrapping machine of claim 25, it is characterized in that: described wrapping machine comprises supporting construction, the track of locating two closed rings and being arranged symmetrically with on each sidewall of described supporting construction, supports for plastic film being clamped at least one of described plate of device in place and advances along each part of described track.
27. according to the wrapping machine of claim 1, it is characterized in that: described wrapping machine comprises in the upstream of tubulose forming element for distributing the distributing box of discrete material, described distributing box has at least one pair of chamber, and described chamber is designed to alternately to described tubulose forming element, supply described discrete material.
28. according to the wrapping machine of claim 1, it is characterized in that: described wrapping machine comprises removable baffle plate, described baffle plate is designed to side along discrete material from the passage that wherein passes through and stretches into tubulose forming element or from tubulose forming element and retract, thereby form, can limit discrete material at the ladder of the drop height of described channel interior.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITGE2009A000074 | 2009-09-30 | ||
| ITGE2009A000074A IT1395722B1 (en) | 2009-09-30 | 2009-09-30 | AUTOMATIC PACKING MACHINE |
| PCT/IB2010/054386 WO2011039710A1 (en) | 2009-09-30 | 2010-09-29 | Automatic packaging machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102639399A CN102639399A (en) | 2012-08-15 |
| CN102639399B true CN102639399B (en) | 2014-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080053862.0A Expired - Fee Related CN102639399B (en) | 2009-09-30 | 2010-09-29 | Automatic packaging machine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20120180428A1 (en) |
| EP (1) | EP2483162A1 (en) |
| CN (1) | CN102639399B (en) |
| IT (1) | IT1395722B1 (en) |
| RU (1) | RU2012117770A (en) |
| WO (1) | WO2011039710A1 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494876A (en) * | 2013-05-17 | 2015-04-08 | 海宁市金跃印务有限公司 | Film packaging machine with folding device |
| CN103738514A (en) * | 2013-12-04 | 2014-04-23 | 无锡佳泰科技有限公司 | Shrink film wrapping device of label paper automatic winding conveying line |
| CN104326102A (en) * | 2014-08-29 | 2015-02-04 | 成都锦汇科技有限公司 | Packing method of lumpy food |
| DE102015200780A1 (en) * | 2015-01-20 | 2016-07-21 | Robert Bosch Gmbh | Device for sealing a packaging or packaging material |
| CN108216715A (en) * | 2016-12-21 | 2018-06-29 | 利乐拉瓦尔集团及财务有限公司 | The method of transverse sealing and sealing clip assembly are provided to packaging material tube |
| ES1217722Y (en) * | 2017-08-02 | 2018-12-13 | Ulma Packaging Tech Ct Coop | Packaging machine |
| JP6911731B2 (en) * | 2017-11-29 | 2021-07-28 | 井関農機株式会社 | Granule manufacturing equipment |
| CN108583948A (en) * | 2018-06-14 | 2018-09-28 | 重庆市飞龙种业有限责任公司 | Seed inner packing charger |
| CN108791970A (en) * | 2018-07-06 | 2018-11-13 | 安徽香草茶业有限公司 | A kind of tealeaves loader |
| WO2021048193A1 (en) * | 2019-09-09 | 2021-03-18 | Gea Food Solutions Weert B.V. | Stretching unit for clamping and stretching a tubular film, flow-wrapper and method for clamping and stretching a tubular film |
| CN112572238B (en) * | 2021-01-15 | 2023-05-26 | 安徽华信电动科技股份有限公司 | Anti-breaking device for plastic bags of trolley wire rail |
| EP4112483B1 (en) * | 2021-06-29 | 2024-11-06 | Landopack S.r.l. | Device for packaging machines |
| CN114508569B (en) * | 2022-01-27 | 2023-11-17 | 江西裕丰智能农业科技有限公司 | Electric control mechanical folding device and method |
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Also Published As
| Publication number | Publication date |
|---|---|
| RU2012117770A (en) | 2013-11-10 |
| CN102639399A (en) | 2012-08-15 |
| WO2011039710A1 (en) | 2011-04-07 |
| US20120180428A1 (en) | 2012-07-19 |
| EP2483162A1 (en) | 2012-08-08 |
| IT1395722B1 (en) | 2012-10-19 |
| ITGE20090074A1 (en) | 2011-04-01 |
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