CN118876266B - Regenerated polyester granulating equipment with blocking dredging structure and granulating method - Google Patents
Regenerated polyester granulating equipment with blocking dredging structure and granulating method Download PDFInfo
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- CN118876266B CN118876266B CN202411354181.8A CN202411354181A CN118876266B CN 118876266 B CN118876266 B CN 118876266B CN 202411354181 A CN202411354181 A CN 202411354181A CN 118876266 B CN118876266 B CN 118876266B
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- ejection
- discharge
- cleaning
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- 229920000728 polyester Polymers 0.000 title claims abstract description 101
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000000903 blocking effect Effects 0.000 title abstract description 4
- 238000004140 cleaning Methods 0.000 claims abstract description 83
- 238000012545 processing Methods 0.000 claims abstract description 34
- 238000001125 extrusion Methods 0.000 claims abstract description 16
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims description 59
- 239000000463 material Substances 0.000 claims description 21
- 238000005469 granulation Methods 0.000 claims description 19
- 230000003179 granulation Effects 0.000 claims description 19
- 238000004064 recycling Methods 0.000 claims 6
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 description 16
- 230000007246 mechanism Effects 0.000 description 11
- 230000008929 regeneration Effects 0.000 description 7
- 238000011069 regeneration method Methods 0.000 description 7
- 239000000428 dust Substances 0.000 description 4
- 230000001680 brushing effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/27—Cleaning; Purging; Avoiding contamination
- B29C48/272—Cleaning; Purging; Avoiding contamination of dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
本发明涉及造粒机技术领域，具体是涉及一种具有堵料疏通结构的再生聚酯造粒设备及造粒方法，包括挤压单元、冷却单元和切割单元，挤压单元包括出料壳；出料壳具有两个水平排布的出料口，在出料壳的内部设置有顶出单元，顶出单元包括沿两个出料口排布方向移动的顶出壳，出料壳能围绕顶出单元转动且每次转动180度，使得两个出料口在加工位和清理位间来回切换，处于加工位的出料口为挤压状态，处于清理位的出料口为清理状态，加工位和清理位相对顶出单元的空间状态位置始终不变，在出料口处于清理状态时，顶出壳朝处于清理状态的出料口移动并将残留在出料口内的再生聚酯挤出。本发明提高了清理效果，同时还提高了生产效率。
The present invention relates to the technical field of granulators, and in particular to a recycled polyester granulating device and a granulating method with a blocking and unblocking structure, comprising an extrusion unit, a cooling unit and a cutting unit, wherein the extrusion unit comprises a discharge shell; the discharge shell has two discharge ports arranged horizontally, an ejection unit is arranged inside the discharge shell, and the ejection unit comprises an ejection shell moving along the arrangement direction of the two discharge ports, the discharge shell can rotate around the ejection unit and rotate 180 degrees each time, so that the two discharge ports can switch back and forth between a processing position and a cleaning position, the discharge port in the processing position is in an extrusion state, and the discharge port in the cleaning position is in a cleaning state, and the spatial state positions of the processing position and the cleaning position relative to the ejection unit remain unchanged, and when the discharge port is in the cleaning state, the ejection shell moves toward the discharge port in the cleaning state and extrude the recycled polyester remaining in the discharge port. The present invention improves the cleaning effect and also improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of a granulator, in particular to regenerated polyester granulation equipment with a blocking dredging structure and a granulation method.
Background
The conventional granulator has the following problems:
1. When the materials start to flow into the discharging hopper, as impurities and dust are not completely removed, the pretreatment process is not fully performed, the purity of the regenerated polyester materials is reduced, the quality of products is further affected, and if the impurities and the dust are accumulated in the feeding hole for a long time, the regenerated polyester special materials cannot normally enter the equipment, so that the equipment is stopped or the yield is reduced, the production is possibly interrupted, the problems of abnormal operation, pressure accumulation and the like of the equipment are also caused, the equipment is damaged, and the risk of safety accidents is increased;
2. Because the quality distribution of the regenerated polyester materials in the storage bin is uneven, or the water content exceeds the normal standard range, the situation can cause the stacked polyester materials to generate caking phenomenon in the container, so that the smoothness of normal flow of the materials is hindered to a certain extent, the risk of equipment blockage is increased, the equipment cannot normally operate, the equipment is enabled to be in overload operation, the energy consumption of the equipment is increased, the parts of the equipment are possibly damaged, the service life of the equipment is shortened, and the difficulty of equipment maintenance and cleaning is increased.
Chinese patent application CN116945398a discloses a granulation device for regenerated polyester special material for chemical fiber, comprising a granulator main body, the feed hopper is arranged at the upper end of the granulator main body, the lower end of the feed hopper is provided with a processing pipeline, the front side of the processing pipeline is provided with a discharge port, the left and right inner side walls of the upper end of the feed hopper are provided with ash brushing mechanisms, the front and rear inner side walls of the upper end of the feed hopper are provided with ash sucking mechanisms for absorbing dust, and the front side of the processing pipeline is provided with an anti-blocking mechanism; the ash brushing mechanism is used for removing dust attached to materials to ensure the purity of produced regenerated polyester materials, the ash absorbing mechanism is used for dredging the materials clamped on a discharge hole to ensure smooth discharge, the ash brushing mechanism comprises a fixing strip arranged on the left inner side wall and the right inner side wall of a feed hopper, a rack is arranged in the middle of the inner wall of the fixing strip, a connecting column is fixedly connected to the rack, a sliding block is slidably connected to the outer side of the connecting column, an ash beating plate is fixedly connected to the lower end of the sliding block, a gear is meshed with the inner wall of the rack, a cam is fixedly connected to the right side of the gear, a lug is arranged at the front end and the rear end of the inner wall of the fixing strip, a piston rod is fixedly connected to one end of the piston rod, which is far away from the lug, a piston cylinder is arranged on the outer wall of the piston rod, an air hole I is formed in the piston cylinder, a one-way air inlet valve is arranged on the rear side of the piston cylinder, and an air outlet pipe is arranged in the middle of the one-way air inlet valve in a penetrating way.
The scheme is provided with anti-blocking mechanism, but anti-blocking mechanism among the scheme can block up the discharge gate of granulator when the operation, prevents that anti-blocking mechanism is when preventing stifled operation promptly that the granulator can't normally granulate, and anti-blocking mechanism among the scheme is when clear up the discharge gate of granulator, and anti-blocking mechanism can push the regeneration polyester that blocks up on the discharge gate into the granulator in, and the regeneration polyester who is pushed into in the granulator is mostly coagulable, easily leads to the inside further jam that takes place of granulator, easily makes the whole quilt of granulator to be blocked up after long-time use.
Disclosure of Invention
According to the regenerated polyester granulating equipment with the putty dredging structure and the granulating method, when the regenerated polyester granulating equipment is used, molten regenerated polyester is injected into a discharge shell and discharged from one of the discharge holes of the discharge shell, after the regenerated polyester is discharged for a specified time through the discharge hole, the molten regenerated polyester in the discharge shell stops feeding, then the discharge shell rotates 180 degrees, the discharge shell switches another unused discharge hole to a processing position, the discharge hole after use rotates 180 degrees to a cleaning position, the discharge shell continuously supplies the discharge hole on the processing position, the discharge shell moves to the discharge hole on the cleaning position and discharges the regenerated polyester left at the discharge hole from the discharge hole, after the discharge shell reaches the discharge hole, the ejection rod extends out of the ejection shell, the ejection rod ejects the regenerated polyester blocked in a forming hole, after the ejection is completed, the ejection rod retracts into the ejection shell, and then the ejection shell also retracts to reset, at the moment, the discharge hole on the cleaning position is completed, but the corresponding feeding cavity is still not injected with molten regenerated polyester, the corresponding feeding cavity is rotated 180 degrees to the cleaning position, the regeneration hole can be simultaneously cleaned up, the production efficiency can be improved, and the production can be simultaneously improved, the production can be simultaneously, and the production can be cleaned up and the production can be simultaneously.
The invention provides regenerated polyester granulation equipment with a plugging material dredging structure, which comprises an extrusion unit, a cooling unit and a cutting unit, wherein the extrusion unit comprises a discharge shell, the discharge shell is provided with two horizontally arranged discharge ports, an ejection unit is arranged in the discharge shell, the ejection unit comprises an ejection shell moving along the arrangement direction of the two discharge ports, the ejection shell can rotate around the ejection unit and rotate 180 degrees each time, so that the two discharge ports are switched back and forth between a processing position and a cleaning position, the discharge port in the processing position is in an extrusion state, the discharge port in the cleaning position is in a cleaning state, the spatial state positions of the processing position and the cleaning position relative to the ejection unit are unchanged all the time, and when the discharge port is in the cleaning state, the ejection shell moves towards the discharge port in the cleaning state and extrudes regenerated polyester remained in the discharge port.
Preferably, a forming shell moving along the extending direction of the discharge hole is sleeved on the discharge hole, a plurality of forming holes are uniformly formed in the end part of the forming shell, the regenerated polyester is extruded into a strip-shaped structure through the forming holes, ejector rods are horizontally arranged on the ejector shell and correspond to the forming holes in the forming shell one by one, and the diameter of each ejector rod is identical to the aperture of each forming hole.
Preferably, the ejection unit comprises a central shell for accommodating the ejection shell, the central shell is of a vertical cylindrical structure, a chute is arranged on one side of the ejection shell, facing the discharge hole in a cleaning state, of the ejection shell, the ejection shell is arranged in the chute in a sliding manner along the extending direction of the chute, the ejection shell is in a retraction state when the ejection shell rotates, and when the ejection shell is retracted into the chute, the ejection end of the ejection shell is completely matched with the side wall of the central shell.
Preferably, a feeding hole is formed in one side, facing the discharge hole in the extrusion state, of the central shell, the feeding hole is communicated with the discharge hole in the processing station, and the melted regenerated polyester enters the discharge shell through the feeding hole and is discharged from one side of the discharge hole in the extrusion state.
Preferably, when the discharge hole in the cleaning state is cleaned, the ejection shell firstly moves towards the discharge hole in the cleaning state along the extending direction of the discharge hole, and after the end part of the ejection shell reaches the discharge hole, the ejection rod extends out of the end part of the ejection shell and into the forming hole.
Preferably, the bottom of the center shell is provided with an air supply unit for supplying air to the sliding groove, when the air supply unit supplies air to the sliding groove, the ejection shell slides out of the sliding groove, a cavity is stored in the ejection shell, a switch valve for communicating the sliding groove with the cavity is arranged on the ejection shell, after the ejection shell is ejected, the switch valve is opened, the cavity is inflated, and the ejection rod is ejected from the ejection shell through the cavity.
Preferably, a driving unit for driving the two forming shells to synchronously move along the extending direction of the discharge hole is arranged between the two forming shells on the two discharge holes.
Preferably, a rotating unit for driving the discharge shell to rotate is arranged at the bottom of the discharge shell, the rotating unit comprises a second toothed ring, the second toothed ring is fixedly arranged at the bottom of the discharge shell, and the discharge shell synchronously rotates along with the second toothed ring.
Preferably, a cleaning unit is arranged at one end of the discharge port in a cleaning state, the cleaning unit comprises a cleaning roller, the cleaning roller moves in the vertical direction and passes through the end part of the forming shell, which is provided with the forming hole, when the discharge port is in the cleaning state, and the cleaning roller completely sweeps the end part of the forming shell.
The invention also relates to a regenerated polyester granulating method with a plugging material dredging structure, which adopts regenerated polyester granulating equipment with the plugging material dredging structure, molten regenerated polyester is injected into a discharge shell and discharged from one of discharge holes of the discharge shell, after the regenerated polyester is discharged through the discharge holes for a specified time, the molten regenerated polyester in the discharge shell stops feeding, then the discharge shell rotates 180 degrees, the discharge shell switches another unused discharge hole to a processing position, the used discharge hole rotates 180 degrees to a cleaning position, the discharge shell continuously feeds the discharge hole on the processing position, the ejection shell moves to the discharge hole on the cleaning position and discharges the regenerated polyester remained at the discharge hole from the discharge hole, after the ejection shell reaches the discharge hole, an ejection rod extends out of the ejection shell, and the ejection rod ejects the regenerated polyester blocked in a forming hole.
Compared with the prior art, the invention has the advantages that when the device is used, molten regenerated polyester is injected into the discharge shell and discharged from one of the discharge ports of the discharge shell, after the regenerated polyester is discharged through the discharge port for a designated time, the molten regenerated polyester in the discharge shell stops feeding, then the discharge shell rotates 180 degrees, the discharge shell switches the other unused discharge port to the processing station, the used discharge port rotates 180 degrees to the cleaning position, the discharge shell continuously feeds the discharge port positioned on the processing station, the discharge shell moves to the discharge port positioned on the cleaning position and discharges the regenerated polyester remained at the discharge port from the discharge port, after the discharge shell reaches the discharge port, the ejector rod extends out of the ejection shell, the regenerated polyester blocked in the forming hole is ejected, after the ejection is completed, the ejector rod retracts into the ejection shell, and then the ejection shell also retracts and resets, while the discharge port positioned on the cleaning position is completed, the corresponding feeding cavity is still not injected with molten regenerated polyester, the cleaning effect can be improved when the discharge shell rotates again to the cleaning position is completed, and the production efficiency can be further improved when the corresponding to the discharge port is cleaned, and the production can be continuously cleaned. In addition, the invention is also provided with a driving unit for driving the two molding shells to synchronously move along the extending direction of the discharge hole, so that the volume of the supply cavity is reduced, and meanwhile, part of regenerated polyester can be discharged, and unnecessary material loss is reduced.
Drawings
FIG. 1 is a schematic perspective view of a recycled polyester granulation apparatus having a plugging dredge structure;
FIG. 2 is a side view of a recycled polyester granulation apparatus with a plugging dredge configuration;
FIG. 3 is a schematic cross-sectional view of the recycled polyester granulation apparatus of FIG. 2 at A-A with a plugging dredge configuration;
FIG. 4 is a schematic perspective view of a cut-away view of a recycled polyester granulation apparatus with a plugging dredge structure;
FIG. 5 is an enlarged schematic view of a portion of the recycled polyester granulation apparatus having a plugging dredge structure at B in FIG. 4;
FIG. 6 is an enlarged schematic view of a portion of the recycled polyester granulation apparatus of FIG. 4 at C with a plugging dredge configuration;
FIG. 7 is a schematic perspective view I of a recycled polyester granulation apparatus with a plugging dredge structure with the outer frame removed;
FIG. 8 is a partially enlarged schematic illustration of the recycled polyester granulation apparatus having a plugging dredge configuration at D in FIG. 7;
FIG. 9 is an enlarged partial schematic view of the recycled polyester granulation apparatus having a plugging dredge structure at E in FIG. 7;
fig. 10 is a second perspective view of the regenerated polyester granulation apparatus with a plugging dredging structure with the outer frame removed.
The reference numerals in the figures are:
1. The device comprises a discharge shell, 11, a discharge hole, 12, a forming shell, 121, a forming hole, 13, a driving unit, 131, a fixing frame, 132, a first threaded rod, 1321, a groove, 133, a first guide rod, 134, a first toothed ring, 135, a first gear, 136, a first rotary driver, 2, an ejection unit, 21, an ejection shell, 211, an ejection rod, 22, a center shell, 221, a chute, 222, a feed hole, 23, an air supply unit, 231, an air supply pipe, 232, an air pump, 24, a switching valve, 3, a rotary unit, 31, a second toothed ring, 32, a second gear, 33, a second rotary driver, 4, a cleaning unit, 41, a cleaning roller, 42, a third rotary driver, 43, a lifting frame, 44, a second threaded rod, 45, a second guide rod, 46, a fourth rotary driver, 47 and a collecting box.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
The regenerated polyester granulation equipment with the plugging dredging structure comprises an extrusion unit, a cooling unit and a cutting unit, wherein the extrusion unit comprises a discharge shell 1, the discharge shell 1 is provided with two horizontally arranged discharge ports 11, an ejection unit 2 is arranged in the discharge shell 1, the ejection unit 2 comprises an ejection shell 21 moving along the arrangement direction of the two discharge ports 11, the discharge shell 1 can rotate around the ejection unit 2 and rotate 180 degrees each time, so that the two discharge ports 11 are switched back and forth between a processing position and a cleaning position, the discharge port 11 in the processing position is in an extrusion state, the discharge port 11 in the cleaning position is in a cleaning state, the spatial state positions of the processing position and the cleaning position relative to the ejection unit 2 are unchanged all the time, and when the discharge port 11 is in the cleaning state, the ejection shell 21 moves towards the discharge port 11 in the cleaning state and extrudes the regenerated polyester remained in the discharge port 11.
The granulating equipment comprises an extruding unit, a cooling unit and a cutting unit, wherein molten regenerated polyester is injected into the extruding unit for extrusion, the regenerated polyester after passing through the extruding unit is of a strip-shaped structure, the extruded strip-shaped regenerated polyester is cooled by the cooling unit and then enters the cutting unit for cutting into particles, the granulating equipment is mainly improved on the extruding unit, a feeding cavity is reserved at one side of a discharging hole 11 of a discharging shell 1 and is positioned in the discharging shell 1 and communicated with the discharging hole 11, when the regenerated polyester is discharged from the discharging hole 11 at a processing station, the molten regenerated polyester firstly enters the feeding cavity and is then discharged from the discharging hole 11, the working principle of the extruding unit is as follows, the molten regenerated polyester is injected into the discharging shell 1 and is discharged from one of the discharging holes 11 of the discharging shell 1, and after the regenerated polyester is discharged for a specified time through the discharging hole 11, the feeding of the molten regenerated polyester in the discharge shell 1 is stopped, the designated time is required to be set according to the actual situation, if the regenerated polyester is solidified faster during discharging under the currently set designated time, the designated time is required to be properly shortened, then the discharge shell 1 rotates 180 degrees, the discharge shell 1 switches the other unused discharge port 11 to the processing position, the used discharge port 11 rotates 180 degrees to the cleaning position, the discharge shell 1 continuously feeds the discharge port 11 at the processing position, the discharge shell 21 moves to the discharge port 11 at the cleaning position and discharges the regenerated polyester remained at the discharge port 11 from the discharge port 11, after the discharge shell 21 reaches the discharge port 11, the ejection rod 211 stretches out of the ejection shell 21, the ejection rod 211 ejects the regenerated polyester blocked in the forming hole 121, after the ejection is completed, the ejection rod 211 retracts into the ejection shell 21, then the ejection shell 21 also retracts and resets, the discharge gate 11 that is in clearance position at this moment has accomplished the clearance, but the regeneration polyester of melting still can not pour into in its corresponding supply chamber, only rotate again at ejection of compact shell 1 for when the discharge gate 11 that the clearance was accomplished rotates to the processing station, the regeneration polyester of melting just can pour into supply chamber into, so can avoid regeneration polyester to remain in the supply chamber that discharge gate 11 corresponds when clearing up discharge gate 11, can also guarantee simultaneously that regeneration polyester can continue the strip processing production when the clearance, still improved production efficiency when having improved the clearance effect.
Referring to fig. 1 and 6, a molding shell 12 moving along the extending direction of the discharge hole 11 is sleeved on the discharge hole 11, a plurality of molding holes 121 are uniformly formed on the end part of the molding shell 12, the regenerated polyester is extruded into a strip-shaped structure through the molding holes 121, ejector rods 211 are horizontally arranged on the ejector shell 21, the ejector rods 211 are in one-to-one correspondence with the molding holes 121 on the molding shell 12, and the diameter of the ejector rods 211 is the same as the aperture of the molding holes 121.
After the ejector rod 211 is extended from the ejector shell 21, the ejector rod 211 can penetrate the molding hole 121, and the recycled polyester blocked on the molding hole 121 can be completely ejected by the ejector rod 211, so that the cleaning of the molding hole 121 is completed.
Referring to fig. 3 and 4, the ejection unit 2 includes a central housing 22 for accommodating the ejection housing 21, the central housing 22 is of a vertical cylindrical structure, a chute 221 is provided at a side of the ejection housing 21 facing the discharge port 11 in a cleaning state, the ejection housing 21 is slidably disposed in the chute 221 along an extending direction of the chute 221, the ejection housing 21 is in a retracted state when the ejection housing 1 rotates, and an ejection end of the ejection housing 21 is completely engaged with a sidewall of the central housing 22 when the ejection housing 21 is retracted into the chute 221.
Only after the ejection shell 21 is retracted into the chute 221, the ejection shell 1 can smoothly rotate, because after the ejection shell 21 is retracted into the chute 221, the ejection end of the ejection shell 21 is completely engaged with the side wall of the center shell 22, and the center shell 22 has a cylindrical structure, and the ejection shell 1 is not easily blocked by the ejection shell 21 which is extended during rotation.
Referring to fig. 3 and 4, a feed port 222 is formed in the side of the center housing 22 facing the discharge port 11 in the extrusion state, the feed port 222 is communicated with the discharge port 11 in the processing position, and the molten recycled polyester enters the discharge housing 1 through the feed port 222 and is discharged from the side of the discharge port 11 in the extrusion state.
The feed inlet 222 communicates with the corresponding feed chamber of the discharge port 11 at the processing station, and the molten recycled polyester enters the feed chamber at the processing station through the feed inlet 222.
Referring to fig. 1 to 10, when cleaning the discharge port 11 in the cleaning state, the ejector housing 21 is moved toward the discharge port 11 in the cleaning state in the extending direction of the discharge port 11, and after the end of the ejector housing 21 reaches the discharge port 11, the ejector rod 211 is extended from the end of the ejector housing 21 and into the molding hole 121.
The feed cavity is stored at the discharge port 11, the feed cavity is positioned in the discharge shell 1 and is communicated with the discharge port 11, when the discharge port 11 is in a cleaning state, the ejection shell 21 moves towards the discharge port 11 side in the cleaning state, the corresponding feed cavity of the discharge port 11 is gradually compressed, the recycled polyester remained at the discharge port 11 refers to the recycled polyester remained in the feed cavity, as the ejection shell 21 slides out of the chute 221 of the central shell 22, the recycled polyester in the feed cavity is completely ejected through the forming hole 121 of the forming shell 12, then the ejection rod 211 at the end part of the ejection shell 21 is extended again, so that the recycled polyester blocked on the ejection hole can be ejected, if the ejection rod 211 on the ejection shell 21 is always in an extended state, the forming hole 121 is blocked when the ejection shell 21 does not reach the discharge port 11 in the moving process of the ejection shell 21, the recycled polyester remained in the forming shell 12 cannot be ejected through the forming hole 121, and the recycled polyester is easy to remain in the feed cavity, and the recycled polyester is easy to be solidified when the discharge port 11 is blocked for one time.
Referring to fig. 5, 7 and 9, a gas supply unit 23 for supplying gas to a chute 221 is provided at the bottom of a center case 22, when the gas supply unit 23 supplies gas to the chute 221, an ejector case 21 slides out of the chute 221, a cavity is provided in the ejector case 21, a switch valve 24 for communicating the chute 221 with the cavity is provided in the ejector case 21, the switch valve 24 is opened after the ejector case 21 is ejected, the cavity is inflated, and the ejector rod 211 is ejected from the ejector case 21.
After the discharge casing 1 rotates 180 degrees, the used discharge opening 11 rotates to a cleaning position, then the air supply unit 23 is started, the air supply unit 23 pumps air into the chute 221, the ejection casing 21 positioned in the chute 221 slides out of the chute 221 under the pushing of the air, when the ejection casing 21 reaches the discharge opening 11, the on-off valve 24 arranged on the ejection casing 21 is opened, so that the cavity in the ejection casing 21 is communicated with the chute 221, the ejection rod 211 positioned in the cavity is ejected under the pneumatic action, the air supply unit 23 comprises an air supply pipe 231 and an air pump 232, the air supply pipe 231 is fixedly arranged at the bottom of the center casing 22 and is communicated with the chute 221, the air pump 232 is arranged at the end part of the air supply pipe 231, and the air pump 232 can pump outside air into the chute 221 through the air supply pipe 231 and also can pump air in the chute 221 through the air supply pipe 231.
Referring to fig. 7, 8 and 10, a driving unit 13 for driving the two molding shells 12 to move synchronously in the extending direction of the discharge ports 11 is provided between the two molding shells 12 on the two discharge ports 11.
The driving unit 13 comprises a fixing frame 131, a first threaded rod 132, a first guide rod 133, a first toothed ring 134, a first gear 135 and a first rotary driver 136, wherein the fixing frame 131 is fixedly arranged on the side wall of the discharge shell 1, the first screw rod penetrates through the fixing frame 131 and is in sliding fit with the fixing frame 131, a groove 1321 is formed in the side wall of the first threaded rod 132 along the extending direction of the first threaded rod 132, the first threaded rod 132 is in key fit with the fixing frame 131 through the groove 1321, two ends of the first threaded rod 132 are respectively fixedly connected with the forming shells 12 arranged on the two discharge holes 11, the first guide rod 133 is arranged on one side of the first threaded rod 132 in parallel along the axis of the first threaded rod 132, the first guide rod 133 penetrates through the fixing frame 131 and is in sliding fit with the fixing frame 131, the first toothed ring 134 is sleeved on the first threaded rod 132 and is in threaded fit with the first threaded rod 132, the first toothed ring 134 is positioned on one side of the fixing frame 131, the first gear 135 is rotatably disposed at one side of the first toothed ring 134, the first gear 135 and the first toothed ring 134 are engaged with each other, the first rotary driver 136 is disposed at an end of the first gear 135, the first rotary driver 136 drives the first toothed ring 134 to rotate through the first gear 135, the first rotary driver 136 is preferably a servo motor, when the first rotary driver 136 is started, the first rotary driver 136 drives the first toothed ring 134 to rotate through the first gear 135, since the first toothed ring 134 is in threaded engagement with the first threaded rod 132, and the first toothed ring 134 is disposed on the fixing frame 131, and the first threaded rod 132 is in keyed engagement with the fixing frame 131, so that the first threaded rod 132 can move in an extending direction of the discharge port 11 after the first toothed ring 134 rotates, during the movement of the first threaded rod 132, the first threaded rod 132 drives one of the molding shells 12 to approach the center shell 22, the other forming shell 12 moves towards the direction away from the center shell 22, the forming shell 12 corresponding to the discharge hole 11 at the processing position gradually compresses the feeding cavity under the drive of the driving unit 13 before the discharge shell 1 rotates, the feeding cavity is formed by the forming shell 12 sleeved on the discharge hole 11, the discharge shell 1 and the center shell 22, when the forming shell 12 approaches to the center shell 22, the volume of the feeding cavity is reduced, and part of regenerated polyester in the feeding cavity due to the reduced volume can be discharged while the feeding cavity is reduced, so that after the discharge shell 1 rotates 180 degrees, the ejection shell 21 can reduce unnecessary material loss when the regenerated polyester remained in the feeding cavity is extruded.
Referring to fig. 7 and 9, a rotation unit 3 for driving the discharge casing 1 to rotate is arranged at the bottom of the discharge casing 1, the rotation unit 3 comprises a second toothed ring 31, the second toothed ring 31 is fixedly arranged at the bottom of the discharge casing 1, and the discharge casing 1 synchronously rotates along with the second toothed ring 31.
The rotating unit 3 further comprises a second gear 32 and a second rotating driver 33, the second gear 32 is rotatably arranged on one side of the second toothed ring 31, the second toothed ring 31 and the second gear 32 are meshed with each other, the second rotating driver 33 is arranged at the end part of the second gear 32, the second rotating driver 33 is used for driving the second gear 32 to rotate, the second rotating driver 33 is preferably a servo motor, and when the second rotating driver 33 is started, the second rotating driver 33 drives the second gear 32 to drive the second toothed ring 31 to rotate, so that the discharging shell 1 rotates.
Referring to fig. 1, 2 and 10, one end of the discharge port 11 in the cleaning state is provided with a cleaning unit 4, the cleaning unit 4 includes a cleaning roller 41, the cleaning roller 41 moves in a vertical direction and passes through an end of the forming shell 12 provided with the forming hole 121 when the discharge port 11 is in the cleaning state, and the cleaning roller 41 completely sweeps the end of the forming shell 12.
The cleaning unit 4 includes a third rotary driver 42, a lifting frame 43, a second threaded rod 44, a second guide rod 45, a fourth rotary driver 46 and a collecting box 47, the lifting frame 43 is arranged at the periphery of the cleaning roller 41, the cleaning roller 41 is rotatably arranged on the lifting frame 43, the third rotary driver 42 is arranged on the lifting frame 43 and is used for driving the cleaning roller 41 to rotate, the second threaded rod 44 vertically penetrates through the lifting frame 43 and is in threaded fit with the lifting frame 43, the second guide rod 45 is arranged on one side of the second threaded rod 44 in parallel along the axis of the second threaded rod 44, the second guide rod 45 vertically penetrates through the lifting frame 43 and is in sliding fit with the lifting frame 43, the fourth rotary driver 46 is arranged at the end of the second threaded rod 44, the fourth rotary driver 46 drives the second threaded rod 44 to rotate, the lifting frame 43 can be driven to lift after the second rotary driver 44 rotates, and the third rotary driver 42 and the fourth rotary driver 46 are all preferably servo motors, and the collecting box 47 for collecting the cleaned regenerated polyester is arranged below the lifting frame 43.
Referring to fig. 1 to 10, the present invention also relates to a method for granulating recycled polyester with a plugging and unplugging structure, which comprises injecting molten recycled polyester into a discharge shell 1 and discharging the molten recycled polyester from one of the discharge ports 11 of the discharge shell 1, stopping feeding the molten recycled polyester in the discharge shell 1 after a specified time period of discharging the recycled polyester from the discharge port 11, rotating the discharge shell 1 by 180 degrees, switching the other unused discharge port 11 to a processing position by the discharge shell 1, switching the used discharge port 11 to a cleaning position by 180 degrees, continuing feeding the discharge port 11 at the processing position by the discharge shell 1, moving the discharge shell 21 to the discharge port 11 at the cleaning position, discharging the recycled polyester remaining at the discharge port 11 from the discharge port 11, and ejecting the recycled polyester plugged in the molding hole 121 by an ejector bar 211 after the ejector bar 211 reaches the discharge port 11 and the ejector bar 211 extends from the ejector bar 21.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (6)
1. The regenerated polyester granulating equipment with the putty dredging structure comprises an extruding unit, a cooling unit and a cutting unit, wherein the extruding unit comprises a discharging shell (1), and is characterized in that the discharging shell (1) is provided with two horizontally arranged discharging holes (11), an ejecting unit (2) is arranged in the discharging shell (1), the ejecting unit (2) comprises an ejecting shell (21) moving along the arrangement direction of the two discharging holes (11), the discharging shell (1) can rotate around the ejecting unit (2) and rotate 180 degrees each time, the two discharging holes (11) can be switched back and forth between a processing position and a cleaning position, the discharging hole (11) at the processing position is in an extruding state, the discharging hole (11) at the cleaning position is in a cleaning state, the spatial state positions of the processing position and the cleaning position relative to the ejecting unit (2) are always unchanged, when the discharging hole (11) is in the cleaning state, the ejecting shell (21) moves towards the discharging hole (11) in the cleaning state and extrudes regenerated polyester remained in the discharging hole (11), the discharging hole (11) is sleeved with the discharging hole (11) and provided with a plurality of uniformly-shaped holes (121) extending along the direction of the discharging hole (11), the end part of the extruding shell (12) is formed, the end part of the extruding shell (121) is uniformly shaped, the ejection unit (2) comprises a central shell (22) for accommodating the ejection shell (21), the central shell (22) is of a vertical cylindrical structure, one side of the ejection shell (21) facing the discharge port (11) in a cleaning state is provided with a sliding groove (221), the ejection shell (21) is slidably arranged in the sliding groove (221) along the extending direction of the sliding groove (221), the ejection shell (21) is in a retracted state when the ejection shell (1) rotates, the ejection end of the ejection shell (21) is completely matched with the side wall of the central shell (22) when the ejection shell (21) is retracted into the sliding groove (221), the ejection shell (21) moves towards the discharge port (11) in the cleaning state in the extending direction of the discharge port (11) when the discharge port (11) is cleaned, the end of the ejection shell (21) reaches the discharge port (11), the ejection shell (21) is slidably arranged in the sliding groove (221) along the extending direction of the sliding groove (221), the ejection shell (21) extends from the end of the ejection shell (21) into the sliding groove (221) and extends into the central shell (23) when the air supply unit (23) is arranged in the sliding groove (23) of the forming unit (121), the ejection shell (21) slides out of the sliding groove (221), a cavity is reserved in the ejection shell (21), a switch valve (24) for communicating the sliding groove (221) with the cavity is arranged on the ejection shell (21), after the ejection shell (21) is ejected out, the switch valve (24) is opened, the cavity is inflated, and the ejection rod (211) is ejected out of the ejection shell (21) through the cavity.
2. The regenerated polyester granulation equipment with the plugging material dredging structure according to claim 1, wherein a feeding hole (222) is formed in one side of the central shell (22) facing the discharging hole (11) in the extrusion state, the feeding hole (222) is communicated with the discharging hole (11) in the processing station, and molten regenerated polyester enters the discharging shell (1) through the feeding hole (222) and is discharged from one side of the discharging hole (11) in the extrusion state.
3. The regenerated polyester granulation equipment with a plugging material dredging structure according to claim 1, wherein a driving unit (13) for driving the two forming shells (12) to synchronously move along the extending direction of the discharging holes (11) is arranged between the two forming shells (12) on the two discharging holes (11).
4. The regenerated polyester granulation equipment with the plugging material dredging structure according to claim 1, wherein a rotating unit (3) for driving the discharging shell (1) to rotate is arranged at the bottom of the discharging shell (1), the rotating unit (3) comprises a second toothed ring (31), the second toothed ring (31) is fixedly arranged at the bottom of the discharging shell (1), and the discharging shell (1) synchronously rotates along with the second toothed ring (31).
5. A recycled polyester granulation apparatus with a plugging material dredging structure according to claim 1, wherein a cleaning unit (4) is provided at one end of the discharge opening (11) in a cleaning state, the cleaning unit (4) comprises a cleaning roller (41), the cleaning roller (41) moves in a vertical direction and passes through an end of the forming shell (12) provided with a forming hole (121) when the discharge opening (11) is in the cleaning state, and the cleaning roller (41) completely sweeps the end of the forming shell (12).
6. A method for granulating recycled polyester with a plugging material dredging structure, which adopts the recycling polyester granulating device with a plugging material dredging structure according to any one of claims 1-4, and is characterized in that molten recycling polyester is injected into the discharging shell (1) and discharged from one of the discharging ports (11) of the discharging shell (1), after the recycling polyester is discharged through the discharging port (11) for a specified time, the feeding of the molten recycling polyester in the discharging shell (1) is stopped, then the discharging shell (1) is rotated 180 degrees, the discharging shell (1) is switched to a charging station from another unused discharging port (11), the used discharging port (11) is rotated 180 degrees to a cleaning position, the discharging shell (1) continuously feeds the discharging port (11) positioned at the charging station, the discharging shell (21) is moved to the discharging port (11) positioned at the cleaning position and discharges the recycling polyester remained at the discharging port (11), after the discharging shell (21) reaches the discharging port (11), the discharging rod (21) is protruded from the discharging rod (211) to plug the ejection rod (211), and the recycling polyester is ejected from the ejection rod (211).
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| CN202411354181.8A CN118876266B (en) | 2024-09-27 | 2024-09-27 | Regenerated polyester granulating equipment with blocking dredging structure and granulating method |
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| AU1838197A (en) * | 1996-01-23 | 1997-08-20 | Sanford Redmond | Reclosable dispenser package, reclosable outlet forming structure and method and apparatus for making same |
| CN101028251A (en) * | 2007-02-14 | 2007-09-05 | 四川大学 | Camptothecine derivative phosphatide composite liposome nano-preparation and its making method |
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| CN110667001A (en) * | 2019-09-30 | 2020-01-10 | 六安七茗道机电科技有限公司 | Process method applied to clean recovery of plastic foam |
| CN111155196A (en) * | 2020-01-03 | 2020-05-15 | 浙江颖诺泰材料科技有限公司 | Luminescent fiber based on recycled polyester material and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU1838197A (en) * | 1996-01-23 | 1997-08-20 | Sanford Redmond | Reclosable dispenser package, reclosable outlet forming structure and method and apparatus for making same |
| CN101028251A (en) * | 2007-02-14 | 2007-09-05 | 四川大学 | Camptothecine derivative phosphatide composite liposome nano-preparation and its making method |
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