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CN118220609B - Wheat flour nondestructive packaging equipment and method - Google Patents

Wheat flour nondestructive packaging equipment and method Download PDF

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Publication number
CN118220609B
CN118220609B CN202410651141.3A CN202410651141A CN118220609B CN 118220609 B CN118220609 B CN 118220609B CN 202410651141 A CN202410651141 A CN 202410651141A CN 118220609 B CN118220609 B CN 118220609B
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CN
China
Prior art keywords
wheat flour
filling
driving
clamping
conveyor
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.)
Active
Application number
CN202410651141.3A
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Chinese (zh)
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CN118220609A (en
Inventor
谢军
钟庭勇
陈加德
文武
刘玖文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Xiongjian Flour Industry Co ltd
Original Assignee
Chengdu Xiongjian Flour Industry Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu Xiongjian Flour Industry Co ltd filed Critical Chengdu Xiongjian Flour Industry Co ltd
Priority to CN202410651141.3A priority Critical patent/CN118220609B/en
Publication of CN118220609A publication Critical patent/CN118220609A/en
Application granted granted Critical
Publication of CN118220609B publication Critical patent/CN118220609B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B39/00Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/12Nozzles, funnels or guides for introducing articles or materials into containers or wrappers movable towards or away from container or wrapper during filling or depositing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/28Controlling escape of air or dust from containers or receptacles during filling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/30Devices or methods for controlling or determining the quantity or quality or the material fed or filled
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/46Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
    • B65B43/465Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers for bags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B65/00Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
    • B65B65/003Packaging lines, e.g. general layout

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Basic Packing Technique (AREA)

Abstract

The invention provides a wheat flour nondestructive packing device and a wheat flour nondestructive packing method, which belong to the technical field of packing devices and comprise a frame, wherein a filling machine body is arranged at the upper part of the frame, a transfer conveyor for conveying packing bags is arranged below a filling pipe of the filling machine body, two rotating plates are rotatably arranged on two sides of the frame, which are positioned below the filling machine body, of the transfer conveyor, a filling cavity capable of containing the packing bags is intermittently formed by rotating the two rotating plates, the interior of the rotating plates is hollow and provided with a plurality of first air inlets facing the filling cavity, a negative pressure system is formed in the interior of the two rotating plates, a separation system is used for separating out wheat flour, the space around the packing bags is sucked through the first air inlets on the rotating plates, and the collected wheat flour is periodically sent into the filling machine body for continuous filling after the absorbed wheat flour is separated, so that the wheat flour waste is reduced, and the material is saved.

Description

Wheat flour nondestructive packaging equipment and method
Technical Field
The invention relates to the technical field of packaging equipment, in particular to wheat flour nondestructive packaging equipment and a wheat flour nondestructive packaging method.
Background
Flour is ground by wheat, and has more application scenes in food and industry. The main process of wheat grinding into flour is that after wheat grains are cleaned and water content regulated, endosperm is separated from wheat embryo and wheat husk, and then the endosperm is ground into powder. The production of flour is mainly divided into 4 working sections: the device comprises a primary cleaning section, a powder preparation section and a powder preparation package.
In the process of powder preparation and packaging of wheat flour, a woven bag is generally adopted for packaging, the patent with the bulletin number of CN112061437B discloses a flour quantitative dust-free bagging device, which comprises a flour bin and a rack, wherein the lower end of the flour bin is connected with a discharging pipe, the upper end of the discharging pipe is provided with an electromagnetic valve, the lower end of the discharging pipe is provided with a powder flowmeter, a U-shaped base is arranged right below the discharging pipe, a supporting plate is arranged in the U-shaped base, a vertical rack is arranged on the rear end face of the supporting plate, bearing seats are fixed on the left side plate and the right side plate of the U-shaped base, a horizontal rotating rod is rotationally connected with the bearing seats, the inner end of the horizontal rotating rod is connected with a gear meshed with the vertical rack, and the outer end of the horizontal rotating rod is connected with a winding wheel.
However, even though the current equipment is improved in the aspects of wheat flour pouring speed and bag mouth dust removal of the woven belt, the surface of the woven bag is provided with pores, and wheat flour particles still exist in the packaging process and fall onto a platform below through the pores on the woven bag, so that wheat flour is lost.
Disclosure of Invention
In view of the above problems in the prior art, the present invention provides a wheat flour lossless packing apparatus and method.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The first aspect provides a wheat flour nondestructive packaging device, which comprises a frame, wherein a filling machine body is arranged at the upper part of the frame, a feed hopper is arranged at the top of the filling machine body, a filling pipe is arranged at the bottom of the filling machine body, a transfer conveyor for conveying packaging bags is arranged below the filling pipe of the filling machine body, two rotating plates are rotatably arranged below the filling machine body on the frame, the two rotating plates are respectively arranged at two sides of the transfer conveyor, a first driving component for driving the two rotating plates to synchronously and reversely rotate is arranged on the frame, a filling cavity capable of accommodating the packaging bags and outputting the wheat flour by the inner receiving filling pipe is intermittently formed on the transfer conveyor belt through the rotation of the two rotating plates, the rotating plates are hollow, and one surface of each rotating plate, which faces the filling cavity, is provided with a plurality of first air inlets;
the negative pressure system is communicated with the interiors of the two rotating plates through a negative pressure pipe, and negative pressure is formed in the interiors of the two rotating plates through the negative pressure system;
The wheat flour separating device also comprises a separating system which is arranged on the negative pressure pipe and is used for separating out the wheat flour.
Further, transfer the conveyer and include supporting conveyer and centre gripping conveyer, supporting conveyer level passes under the filling pipe, and supporting conveyer is used for supporting the bottom of wrapping bag, and the centre gripping conveyer is equipped with annular circulation track, and even interval sliding connection has a plurality of centre gripping frock on the circulation track, and the centre gripping frock is used for the upper portion of centre gripping packing, is equipped with in the frame and is used for driving centre gripping frock and supporting conveyer synchronous motion's second drive assembly.
Further, the clamping tool comprises a tool seat which is connected to the circulating track in a sliding mode, a first clamping jaw and a second clamping jaw are arranged on the tool seat at intervals, the second clamping jaw is connected to the tool seat in a sliding mode along the moving direction of the tool seat, a first elastic piece which is used for driving the second clamping jaw to slide away from the first clamping jaw is arranged on the tool seat, elastic clamping jaws are arranged on the first clamping jaw and the second clamping jaw, and each elastic clamping jaw comprises a fixed jaw and a movable jaw which is elastically slid away from the fixed jaw through the second elastic piece.
Further, the vertical slip setting of filling pipe is in the frame, is provided with the third driving piece that is used for driving the vertical lift of filling pipe in the frame, is provided with the guide bucket of fighting shape on the outer wall of filling pipe, and the bilateral symmetry of first clamping jaw and perpendicular to second clamping jaw slip direction horizontal slip are provided with two guide vanes, and two guide vanes are high parallel and level with the elasticity clamping jaw, and the guide bucket is along with the inner wall of guide vane and the outer wall looks adaptation of guide bucket when filling pipe descends to the minimum position.
Further, a first synchronous belt is arranged on the circulating rail in a sliding manner along the circumferential direction of the circulating rail, a first synchronous wheel set is rotatably arranged on the circulating rail, and the first synchronous belt is meshed with the first synchronous wheel set for transmission;
The supporting conveyor comprises at least two driving rollers which are parallel and arranged in parallel, a second synchronous belt is sleeved on the driving rollers at two ends of the supporting conveyor, the second synchronous belt is meshed with the driving rollers for transmission, and a second synchronous wheel set is coaxially connected to the driving rollers at one end of the supporting conveyor;
The second driving assembly comprises a first driving motor, and the first driving motor is simultaneously meshed with the first synchronous wheel set and the second synchronous wheel set through synchronous belts for transmission.
Further, the first driving assembly comprises a driving gear and a driving toothed belt, a rotating shaft which is used for being connected with the rack in a rotating mode is arranged at the bottom of the rotating plate, the driving gear is fixedly connected to the rotating shaft in a coaxial mode, the driving toothed belt is fixedly arranged on two side edges of the second synchronous belt along the circumferential direction of the second synchronous belt, and the driving gear is meshed with the driving toothed belt;
The frame is provided with a limiting part, and the limiting part extends into the inner side of the supporting conveyor and is in sliding contact with one side of the driving toothed belt, which is far away from the driving gear.
Further, the separation system comprises a pulse cloth bag separation tank, the pulse cloth bag separation tank comprises a tank body, a partition plate used for dividing the tank body into an upper cavity and a lower cavity is arranged in the tank body, a plurality of dust removing cloth bags are arranged on the partition plate at intervals, one end of a negative pressure pipe, far away from a rotating plate, is communicated with the lower cavity of the tank body, the negative pressure system is communicated with the upper cavity of the tank body, a discharge hole is formed in the bottom of the tank body, and a collecting box is connected to the bottom of the discharge hole.
Further, the bottom of the material collecting box is connected with a screw conveyor, and the discharge end of the screw conveyor extends to the upper part of the feed hopper and faces the top opening of the feed.
Further, sealing rubber strips are arranged at two edges of the rotating plates, one face, far away from the filling cavity, of each sealing rubber strip is provided with a ventilation strip, sponge is filled in the sealing rubber strips, and when the two rotating plates rotate to form the filling cavity, the sealing rubber strips on the two rotating plates are attached to each other.
In a second aspect, a method for lossless packaging of wheat flour is provided, which adopts the lossless packaging device for wheat flour provided in the first aspect, and includes the following steps:
S01, feeding, namely feeding wheat flour into the filling machine body from a feed hopper;
S02, feeding bags, and clamping the upper packaging bags on a clamping tool on a circulating rail;
S03, filling, wherein the circulating track and the supporting conveyor synchronously pass through a filling machine body, stop when the clamping tool passes under a filling pipe, the filling pipe descends and stretches into a packaging bag and quantitatively fills wheat flour into the packaging bag, the rotating plates at two sides of the filling pipe adsorb the periphery of the packaging bag in the filling process, and the wheat flour in the adsorbed air is separated and collected into a collecting box;
s04, packaging, namely supporting and clamping the packaging bag by a circulating rail and a supporting conveyor after the wheat flour is packaged, and conveying the packaging bag to a sealing machine for sealing the packaging bag;
s05, recycling, periodically starting the screw conveyor, and conveying the wheat flour in the material collecting box into a feed hopper for packaging.
The beneficial effects of the invention are as follows: the packaging bag is clamped by the transfer conveyor to be conveyed, the two rotating plates are driven to synchronously rotate in the conveying process of the conveying conveyor, when the packaging bag moves to the position right below the filling machine body, the two rotating plates just rotate to be cylindrical, the packaging bag in the state of filling wheat flour is enclosed, the space around the packaging bag is sucked through the first air inlet on the rotating plates, absorbed wheat flour and the like are separated through the pulse cloth bag separating tank, so that the wheat flour falls into the collecting box below, and the collected wheat flour is sent into the filling machine body to be filled continuously at regular intervals, so that the packaging machine is particularly suitable for industrial wheat flour packaging, the waste of the wheat flour is effectively reduced, and materials are saved.
Drawings
FIG. 1 is a schematic view showing the overall structure of a wheat flour non-destructive baling apparatus of embodiment 1 of the present application;
FIG. 2 is a schematic view showing the overall structure of the wheat flour non-destructive baling apparatus according to embodiment 1 of the present application at another view angle;
FIG. 3 is a schematic view showing the working state of the clamping tool in the process of filling powder according to embodiment 1 of the present application;
FIG. 4 is a schematic view showing a partial cross-sectional structure of a supporting conveyor of embodiment 1 of the present application;
Fig. 5 is a schematic view showing the overall structure of a rotating plate according to embodiment 1 of the present application.
Wherein, 1, the frame; 11. a filling machine body; 12. a feed hopper; 13. filling a material pipe; 14. a third driving member; 15. a guide hopper; 16. a guide flap; 2. a support conveyor; 21. a driving roller; 22. a second timing belt; 23. a second synchronizing wheel set; 24. a first driving motor; 3. a gripper conveyor; 31. a circulation track; 32. clamping a tool; 321. a tool seat; 322. a first jaw; 323. a second jaw; 324. a first elastic member; 325. an elastic clamping jaw; 3251. a fixed claw; 3252. a second elastic member; 3253. a movable claw; 33. a first synchronization belt; 34. a first synchronous wheel set; 4. a rotating plate; 41. filling the cavity; 42. a first air inlet; 43. a drive gear; 44. driving the toothed belt; 45. a rotating shaft; 46. a limit part; 47. a sealing rubber strip; 48. a ventilation strip; 5. a pulse cloth bag separating tank; 51. a sieving machine; 52. a collection box; 53. a screw conveyor; 6. a negative pressure pipe.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Example 1
The embodiment of the invention provides nondestructive wheat flour packaging equipment, referring to fig. 1 and 2, which comprises a frame 1, wherein a filling machine body 11 is arranged at the upper part of the frame 1, the filling machine body 11 can be a common powder quantitative blanking machine in the market, a feeding hopper 12 is arranged at the top of the filling machine body 11, and a filling pipe 13 is arranged at the bottom of the filling machine body for feeding and discharging respectively. The lower part of the filling machine body 11 on the frame 1 is provided with a transfer conveyor for conveying packaging bags, the transfer conveyor is arranged on two sides of the transfer conveyor, and is particularly arranged on two sides of the lower part of the filling pipe 13, the transfer conveyor is respectively and rotatably connected with a rotating plate 4, the section of the rotating plate 4 is in a semi-circular arc shape, the axis of the rotating plate 4 is vertical, the middle parts of the top end and the bottom end of the rotating plate 4 are uniformly and fixedly provided with rotating shafts 45, and the rotating plates 4 are rotatably connected to the frame 1 through the rotating shafts 45. The frame 1 is provided with a first driving component for driving the two rotating plates 4 to synchronously and reversely rotate, the two rotating plates 4 are arranged in a mirror image mode, when the concave surfaces of the two rotating plates 4 rotate to be opposite, a filling cavity 41 opposite to the filling pipe 13 is formed between the two rotating plates 4, and a packaging bag on the transfer conveyor can be contained. The inside of the rotating plate 4 is hollow, and a plurality of first air inlets 42 are formed in the concave surface of the rotating plate 4, namely, one surface of the rotating plate 4 forming the filling cavity 41. The rotating plates 4 are connected with negative pressure pipes 6, the negative pressure pipes 6 are externally connected with a negative pressure system and are used for forming negative pressure in the two rotating plates 4 so as to suck air in the filling cavity 41, and the negative pressure pipes 6 are also connected with a separation system and are used for separating wheat flour in the air sucked by the rotating plates 4.
Specifically, the perforation has been coaxially run through in the top axis of rotation 45 of rotation board 4, and the one end that negative pressure pipe 6 is close to rotation board 4 is connected with the connecting pipe, connecting pipe and frame 1 fixed connection to penetrate in the perforation of rotation board 4 top axis of rotation 45 and rotation board 4 and be connected, negative pressure pipe 6 can adopt the transparent suction hose of PVC.
In the embodiment of the application, the separation system comprises a pulse cloth bag separation tank 5, the pulse cloth bag separation tank 5 comprises an external tank body, a baffle plate is arranged in the tank body, the baffle plate divides the tank body into an upper chamber and a lower chamber, and a plurality of dust removing cloth bags are arranged on the baffle plate in an array manner. The upper cavity of the tank body is provided with a plurality of pulse air flow nozzles which are opposite to each dust removing cloth bag and are used for blowing out pulse air flow, flour intercepted on the outer wall of the dust removing cloth bag is hit into the lower part of the tank body, one end of the negative pressure pipe 6, which is far away from the rotating plate 4, is connected to the tank body and is communicated with the lower cavity of the tank body, the negative pressure system is communicated with the upper cavity of the tank body, the negative pressure system can be an exhaust fan, and an air inlet of the exhaust fan is communicated with the upper cavity of the tank body. A discharge hole is formed in the bottom of the tank body, an automatic butterfly valve is arranged at the discharge hole, and a material collecting box 52 is connected below the discharge hole and used for receiving wheat flour sent out from the discharge hole.
By sucking the filling chamber 41 around the package bag during filling of the wheat flour, the wheat flour oozed out of the package bag pores can be absorbed and separated in the tank body of the pulse bag separating tank 5, and the discharge port at the bottom of the tank body is periodically opened, so that the wheat flour can be collected in the collecting box 52.
In the embodiment of the application, the transfer conveyor comprises a supporting conveyor 2 and a clamping conveyor 3 which are arranged at intervals from bottom to top in height. The supporting conveyor 2 is disposed on the ground and horizontally passes right under a filling pipe 13 of the filling machine body 11 for supporting the bottom of the package. The clamping conveyor 3 comprises an annular circulating rail 31, the circulating rail 31 is horizontally arranged and passes through one side of a filling pipe 13 of the filling machine body 11, and the circulating rail 31 is provided with linear conveying sections with the same conveying direction as the supporting conveyor 2 at two sides of the filling pipe 13. A plurality of clamping tools 32 are slidably arranged on the circulating track 31 along the length direction of the circulating track at intervals, the clamping tools 32 are used for clamping the upper parts of packaging bags, and a second driving assembly used for driving the clamping tools 32 to synchronously move with the supporting conveyor 2 is arranged on the frame 1.
Referring to fig. 3, specifically, the clamping tool 32 includes a tool holder 321 slidingly connected to the circulation track 31, a first clamping jaw 322 and a second clamping jaw 323 are disposed on the tool holder 321, the first clamping jaw 322 and the second clamping jaw 323 are installed at intervals, a chute is formed in the tool holder 321, the second clamping jaw 323 is horizontally and linearly slidably installed in the chute, and when the tool holder 321 is located on a straight line segment on the circulation track 31, the sliding direction of the second clamping jaw 323 is parallel to the length direction of the straight line segment of the circulation track 31. The tool seat 321 is provided with a first elastic member 324 for driving the second clamping jaw 323 to slide away from the first clamping jaw 322, and the first elastic member 324 may be a spring. The first clamping jaw 322 and the second clamping jaw 323 are respectively provided with an elastic clamping jaw 325, the elastic clamping jaw 325 comprises a fixed jaw 3251 and a movable jaw 3253, a guide rod group is horizontally and fixedly arranged on the movable jaw 3253 perpendicular to the sliding direction of the second clamping jaw 323, the movable jaw 3253 is relatively and slidably connected to one side of the fixed jaw 3251 through the guide rod group, the fixed jaw 3251 is provided with a second elastic piece 3252 for driving the movable jaw 3253 to move close to the fixed jaw 3251, and the second elastic piece 3252 is a spring.
The first clamping jaw 322 and the second clamping jaw 323 are L-shaped, so that the elastic clamping jaw 325 on the first clamping jaw 322 and the second clamping jaw 323 extend to the lower part of the filling pipe 13, the upper opening of the packaging bag is elastically clamped by the elastic clamping jaw 325 on the first clamping jaw 322 and the second clamping jaw 323, and clamping saw teeth can be arranged on at least one surface of the opposite wall surfaces of the movable clamping jaw 3253 and the fixed clamping jaw 3251 for increasing the clamping force of the elastic clamping jaw 325 on the packaging bag.
Referring to fig. 4, a first synchronous belt 33 is slidably mounted on the circulating rail 31 along the circumferential direction of the circulating rail 31, and a tool seat 321 for clamping the tool 32 is fixedly connected to the first synchronous belt 33 and moves along with the movement of the first synchronous belt 33. The circulating rail 31 is rotatably provided with a first synchronous wheel set 34, and the first synchronous belt 33 is meshed with the first synchronous wheel set 34 for transmission. The supporting conveyor 2 comprises at least two driving rollers 21 which are parallel and arranged in parallel, a second synchronous belt 22 is sleeved on the driving rollers 21 at two ends of the supporting conveyor 2, the second synchronous belt 22 is meshed with the driving rollers 21 for transmission, a supporting plate can be arranged between the driving rollers 21, the supporting plate is supported below the upper layer of the second synchronous belt 22, and a supporting effect is achieved on the transported packaging bags. The driving roller 21 supporting one end of the conveyor 2 is coaxially connected with a second synchronous wheel set 23, the second driving assembly comprises a first driving motor 24, and the first driving motor 24 is simultaneously meshed with the first synchronous wheel set 34 and the second synchronous wheel set 23 through synchronous belts.
The clamping tool 32 on the circulating track 31 and the supporting conveyor 2 synchronously move, and the movement linear speed is the same. After the wheat flour is filled into the package through the filling body 11, the lower portion of the package is supported by the supporting conveyor 2, and the package filled with the wheat flour is continuously transported. In order to enable the filling pipe 13 to accurately extend into the packaging bag, in the embodiment of the application, the filling pipe 13 is vertically and slidably connected to the frame 1, a third driving part 14 for driving the filling pipe 13 to vertically lift is arranged on the frame 1, the third driving part 14 can be an air cylinder, the cylinder body of the air cylinder is fixed on the filling machine body 11, the piston rod of the air cylinder is fixedly connected to the outer wall of the filling pipe 13, and the filling pipe 13 is vertically and relatively slidably connected with the filling machine body 11 through a guide rod. The outer wall of the filling pipe 13 is integrally fixedly provided with a guide hopper 15 which is in a shape of a big upper part and a small lower part, two guide flaps 16 are symmetrically arranged on two sides of the first clamping jaw 322 and are horizontally and slidably arranged perpendicular to the sliding direction of the second clamping jaw 323, the two guide flaps 16 are flush with the elastic clamping jaw 325 in height, and when the guide hopper 15 descends to the lowest position along with the filling pipe 13, the inner wall of the guide flap 16 is matched with the outer wall of the guide hopper 15.
By arranging the guide hopper 15 and the guide flaps 16, when the packaging bag is installed at the upstream of the filling machine body 11, two ends of the upper edge of the packaging bag are respectively clamped on the first clamping jaw 322 and the second clamping jaw 323, the upper opening of the packaging bag is opened to contain the two guide flaps 16 inside, and the first elastic piece 324 on the tool seat 321 pushes the second clamping jaw 323 to keep away from the first clamping jaw 322, so that the upper edge of the packaging bag is tightened. When the clamping fixture 32 moves to the lower part of the filling machine body 11 to start filling wheat flour, the filling pipe 13 descends and stretches into the space between the two guide flaps 16, the guide flaps 16 are pushed by the guide hopper 15 to be far away from each other until the two guide flaps 16 are attached to the outer wall of the guide hopper 15, at the moment, the opening of the packaging bag is enlarged, and the second clamping jaw 323 is pulled to approach the first clamping jaw 322. After the package is filled, the filling tube 13 is lifted, the first elastic member 324 pushes the second jaw 323 away from the first jaw 322, and the two guide flaps 16 are synchronously moved closer together, so that the package is sent to a subsequent packaging step by the transfer conveyor.
In order to enable the two rotating plates 4 to keep better synchronism with the transfer conveyor in the rotating process, in the embodiment of the application, the first driving assembly comprises a driving gear 43 and a driving toothed belt 44, a rotating shaft 45 at the bottom of the rotating plate 4 is fixedly connected with the driving gear 43 coaxially, the driving toothed belt 44 is arranged along the edge of the second synchronous belt 22, the driving toothed belts 44 are arranged at the two side edges of the second synchronous belt 22 in a mirror symmetry manner, and the driving toothed belts 44 at the two sides of the second synchronous belt 22 are respectively meshed with the driving gears 43 on the rotating plates 4 at the two sides.
In order to keep the driving toothed belt 44 and the driving gear 43 in stable meshing transmission, a limiting part 46 is also fixed on the frame 1, and the limiting part 46 extends into the inner side of the supporting conveyor 2 and is in sliding contact with one surface of the driving toothed belt 44 away from the driving gear 43.
When the supporting conveyor 2 conveys the packaging bags, the driving toothed belt 44 on the second synchronous belt 22 drives the driving gear 43 to synchronously move, so that the two rotating plates 4 synchronously rotate in the moving process of the packaging bags, when the packaging bags move to the position right below the filling pipe 13, the concave surfaces of the two rotating plates 4 rotate to be opposite to each other, the packaging bags are contained in the concave surfaces, and the packaging bags start to be filled with wheat flour and air in the filling cavity 41 is pumped. Adopt a first driving motor 24, drive simultaneously and support conveyer 2, centre gripping conveyer 3 and two rotor plates 4 synchronous motion, greatly improve the synchronism of three, make at support conveyer 2, centre gripping conveyer 3 carry the wrapping bag in-process, two rotor plates 4 synchronous rotation, two rotor plates 4 form the opening of advancing towards support conveyer 2 feed end one side when the wrapping bag gets into filling pipe 13 below, when the wrapping bag removes filling pipe 13 below, two rotor plates 4 enclose the wrapping bag, in the filling process to the wrapping bag, adsorb the wrapping bag surrounding area by rotor plate 4, when the filling is accomplished the wrapping bag and is sent out, rotor plate 4 moves along with it, form the delivery opening towards support conveyer 2 discharge end, the equipment synchronism is high.
Referring to fig. 5, further, sealing rubber strips 47 are provided at both side edges of the rotating plate 4, and the sealing rubber strips 47 are vertically and generally arranged at the side edges of the rotating plate 4. The sealing rubber strip 47 is made of rubber, the sealing rubber strip 47 is hollow, one surface of the sealing rubber strip 47 far away from the filling cavity 41 is provided with a ventilation strip 48 communicated with the inner space of the sealing strip, so that the sealing rubber strip 47 can be greatly compressed and deformed, sponge is filled in the sealing rubber strip 47, in other embodiments, hollow elastic supporting materials can be filled in the sealing rubber strip 47, and the sealing rubber strip 47 is supported and restored by the sponge or the elastic supporting materials when the sealing rubber strip 47 is not extruded. When the two rotating plates 4 rotate to form the filling cavity 41, in order to ensure that the rotating plates 4 can smoothly and synchronously rotate circumferentially, a certain gap is always required to be kept between the two side edges of the two rotating plates 4, and the sealing rubber strips 47 capable of being greatly deformed are arranged, so that the sealing rubber strips 47 on the two rotating plates 4 are mutually attached after the filling cavity 41 is formed, and the tightness between the rotating plates 4 is improved when the two rotating plates 4 form the filling cavity 41.
Further, a screw conveyor 53 is connected to the bottom of the material collecting box 52, a feeding end of the screw conveyor 53 is communicated with the bottom of the material collecting box 52, and a discharging end of the screw conveyor 53 extends to the upper side of the material feeding hopper 12 and is opened towards the top of the material feeding. When a certain amount of wheat flour is collected in the collecting box 52, the wheat flour collected in the collecting box 52 can be conveyed into the feeding hopper 12 for packing operation by periodically starting the screw conveyor 53.
Further, in order to filter impurities in wheat flour in the collecting box 52, in the embodiment of the application, a sieving machine 51 may be connected to a discharge port of the tank body of the pulse cloth bag separating tank 5, the sieving machine 51 filters the wheat flour collected in the pulse cloth bag separating tank 5, large particle impurities absorbed by negative pressure are filtered, and the filtered wheat flour is put into the collecting box 52 below.
Example 2
The embodiment of the application also discloses a wheat flour lossless packing method, which adopts the wheat flour lossless packing equipment disclosed in the embodiment 1 of the application, and comprises the following steps:
S01, feeding, namely feeding wheat flour into the filling machine body 11 from a feed hopper 12;
s02, bagging, namely clamping an upper packaging bag on a clamping tool 32 on a circulating rail 31;
S03, filling, wherein the circulating rail 31 and the supporting conveyor 2 synchronously pass through the filling machine body 11, stop when the clamping tool 32 passes under the filling pipe 13, the filling pipe 13 descends and stretches into the packaging bag and quantitatively fills the packaging bag with wheat flour, the rotating plates 4 at two sides of the filling pipe 13 adsorb the periphery of the packaging bag in the filling process, and the wheat flour in the adsorbed air is separated and collected into the collecting box 52;
s04, packaging, namely supporting and clamping the packaging bag by the circulating rail 31 and the supporting conveyor 2 after the wheat flour is packaged, and conveying the packaging bag to a sealing machine for sealing the packaging bag;
s05, recycling, periodically starting the screw conveyor 53, and conveying the wheat flour in the material collection box 52 into the feed hopper 12 for packaging.
It will be apparent to those skilled in the art that while preferred embodiments of the present invention have been described, additional variations and modifications may be made to these embodiments once the basic inventive concepts are known to those skilled in the art. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (6)

1. The wheat flour nondestructive packing equipment is characterized by comprising a frame (1), wherein a filling machine body (11) is arranged at the upper part of the frame (1), a feed hopper (12) is arranged at the top of the filling machine body (11), a filling pipe (13) is arranged at the bottom of the filling machine body, a transfer conveyor for conveying packing bags is arranged below the filling pipe (13) of the filling machine body (11), two rotating plates (4) are rotatably arranged below the filling machine body (11) on the frame (1), the two rotating plates (4) are respectively arranged on two sides of the transfer conveyor, a first driving assembly for driving the two rotating plates (4) to synchronously and reversely rotate is arranged on the frame (1), a filling cavity (41) capable of intermittently accommodating the packing bags to be contained in the transfer conveyor belt and outputting the small packing bags is formed, the rotating plates (4) are hollow inside, and one face of each rotating plate (4) facing to the filling cavity (41) is provided with a plurality of first air inlets (42);
The conveying conveyor comprises a supporting conveyor (2) and a clamping conveyor (3), the supporting conveyor (2) horizontally penetrates through the position right below the filling pipe (13), the supporting conveyor (2) is used for supporting the bottom of a packaging bag, the clamping conveyor (3) is provided with an annular circulating track (31), a plurality of clamping tools (32) are uniformly and slidingly connected to the circulating track (31) at intervals, the clamping tools (32) are used for clamping the upper part of the packaging bag, and a second driving assembly used for driving the clamping tools (32) to synchronously move with the supporting conveyor (2) is arranged on the frame (1);
The clamping tool (32) comprises a tool seat (321) which is connected to the circulating track (31) in a sliding mode, a first clamping jaw (322) and a second clamping jaw (323) are arranged on the tool seat (321) at intervals, the second clamping jaw (323) is connected to the tool seat (321) in a sliding mode along the moving direction of the tool seat (321), a first elastic piece (324) which is used for driving the second clamping jaw (323) to slide away from the first clamping jaw (322) is arranged on the tool seat (321), elastic clamping jaws (325) are arranged on the first clamping jaw (322) and the second clamping jaw (323), and the elastic clamping jaw (325) comprises a fixed jaw (3251) and a movable jaw (3253) which is elastically slid away from the fixed jaw (3251) through a second elastic piece (3252);
A first synchronous belt (33) is arranged on the circulating rail (31) in a sliding manner along the circumferential direction of the circulating rail (31), a first synchronous wheel set (34) is rotatably arranged on the circulating rail (31), and the first synchronous belt (33) is in meshed transmission with the first synchronous wheel set (34);
The supporting conveyor (2) comprises at least two parallel driving rollers (21), a second synchronous belt (22) is sleeved on the driving rollers (21) at two ends of the supporting conveyor (2), the second synchronous belt (22) is meshed with the driving rollers (21) for transmission, and a second synchronous wheel set (23) is coaxially connected to the driving rollers (21) at one end of the supporting conveyor (2);
The second driving assembly comprises a first driving motor (24), and the first driving motor (24) is simultaneously meshed and transmitted with a first synchronous wheel set (34) and a second synchronous wheel set (23) through synchronous belts;
The first driving assembly comprises a driving gear (43) and a driving toothed belt (44), a rotating shaft (45) used for being rotationally connected with the frame (1) is arranged at the bottom of the rotating plate (4), the driving gear (43) is coaxially and fixedly connected to the rotating shaft (45), the driving toothed belt (44) is fixedly arranged at the edges of two sides of the second synchronous belt (22) along the circumferential direction of the second synchronous belt, and the driving gear (43) is meshed with the driving toothed belt (44);
a limiting part (46) is arranged on the frame (1), and the limiting part (46) extends into the inner side of the supporting conveyor (2) and is in sliding contact with one surface of the driving toothed belt (44) far away from the driving gear (43);
the device also comprises a negative pressure system, wherein the negative pressure system is communicated with the interiors of the two rotating plates (4) through a negative pressure pipe (6), and negative pressure is formed in the interiors of the two rotating plates (4) through the negative pressure system;
the wheat flour separating device also comprises a separating system which is arranged on the negative pressure pipe (6) and is used for separating out the wheat flour.
2. The wheat flour nondestructive packing equipment according to claim 1, wherein the filling pipe (13) is vertically and slidably arranged on the frame (1), a third driving piece (14) for driving the filling pipe (13) to vertically lift is arranged on the frame (1), a bucket-shaped guide bucket (15) is arranged on the outer wall of the filling pipe (13), two guide flaps (16) are symmetrically arranged on two sides of the first clamping jaw (322) and horizontally slide in a direction perpendicular to the sliding direction of the second clamping jaw (323), the two guide flaps (16) are flush with the elastic clamping jaw (325), and the inner wall of the guide flap (16) is matched with the outer wall of the guide bucket (15) when the filling pipe (13) descends to the lowest position.
3. The wheat flour nondestructive packing equipment according to claim 1, wherein the separation system comprises a pulse cloth bag separation tank (5), the pulse cloth bag separation tank (5) comprises a tank body, a partition plate for dividing the tank body into an upper cavity and a lower cavity is arranged in the tank body, a plurality of dust removing cloth bags are arranged on the partition plate at intervals, one end of the negative pressure pipe (6) away from the rotating plate (4) is communicated with the lower cavity of the tank body, the negative pressure system is communicated with the upper cavity of the tank body, a discharge hole is formed in the bottom of the tank body, and an aggregate box (52) is connected to the bottom of the discharge hole.
4. A wheat flour non-destructive baling device according to claim 3, characterized in that the bottom of said box (52) is connected with a screw conveyor (53), the discharge end of said screw conveyor (53) extending above the feed hopper (12) and opening towards the top of the feed.
5. The wheat flour lossless packing apparatus according to claim 1, wherein sealing rubber strips (47) are arranged at both side edges of the rotating plates (4), one surface of the sealing rubber strips (47) far away from the filling chamber (41) is provided with an air permeable strip (48), sponge is filled in the sealing rubber strips (47), and when the two rotating plates (4) rotate to form the filling chamber (41), the sealing rubber strips (47) on the two rotating plates (4) are mutually attached.
6. A method for non-destructive packaging of wheat flour using a non-destructive packaging apparatus for wheat flour according to claim 4, comprising the steps of:
S01, feeding, namely feeding wheat flour into the filling machine body (11) from a feed hopper (12);
s02, feeding bags, and clamping the upper packaging bags on a clamping tool (32) on a circulating track (31);
S03, filling, wherein a circulating track (31) and a supporting conveyor (2) synchronously pass through a filling machine body (11), stop when a clamping tool (32) passes through the position right below a filling pipe (13), the filling pipe (13) descends and stretches into a packaging bag and quantitatively fills wheat flour into the packaging bag, the periphery of the packaging bag is adsorbed by rotating plates (4) at two sides of the filling pipe (13) in the filling process, and wheat flour in the adsorbed air is separated and collected into a collecting box (52);
S04, packaging, namely supporting and clamping the packaging bag by a circulating rail (31) and a supporting conveyor (2) after the wheat flour is packaged, and conveying the packaging bag to a sealing machine for sealing the packaging bag;
S05, recycling, periodically starting a screw conveyor (53), and conveying the wheat flour in the material collecting box (52) into a feed hopper (12) for packaging.
CN202410651141.3A 2024-05-24 2024-05-24 Wheat flour nondestructive packaging equipment and method Active CN118220609B (en)

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