CN213832356U

CN213832356U - Packaging device for packaging products in batches

Info

Publication number: CN213832356U
Application number: CN202022128014.5U
Authority: CN
Inventors: 李峰; 朱国金; 刘彪
Original assignee: Yuantexin Electronics Shenzhen Co ltd
Current assignee: Yuantexin Electronics Shenzhen Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-07-30
Anticipated expiration: 2030-09-24

Abstract

The application relates to a packaging device for packaging products in batches, which comprises a rack, a first transmission assembly for transmitting packaging bags, a second transmission assembly for transmitting the products, an opening assembly for driving the mouths of the packaging bags to open, a second hot pressing assembly for sealing the mouths of the packaging bags which are packaged, a first transmission assembly, the second transmission assembly, opening subassembly and second hot pressing subassembly all set up in the frame, second transmission assembly and first frame interval set up, opening subassembly is including grabbing the piece and drive the opening driving piece of grabbing the piece and removing between first transmission assembly, the second transmission assembly, the opening driving piece sets up in the frame, it is connected with the drive end of opening driving piece to grab the piece, second hot pressing subassembly includes second hot pressing seat and is used for driving the second hot pressing seat at first transmission assembly, the second hot pressing driving piece that removes between the second transmission assembly. This application has the effect that can improve the convenience of packing operation.

Description

Packaging device for packaging products in batches

Technical Field

The present application relates to the field of packaging, and more particularly, to a packaging device for bulk packaging of products.

Background

At present, after the product is finished and produced, the product is independently packaged through a plastic packaging bag, so that the damage of the product caused by scratch and rubbing of the product and external hard objects in the processes of boxing and transportation is avoided.

The hot press is commonly used for carrying out hot pressing on the opening of a plastic bag in the process of independently packaging products, an operator puts the products into a single plastic bag, then the plastic bag filled with the products is moved to the hot press, the plastic bag is put into the hot press, the opening of the plastic bag is placed on a heating block, then the operator presses a cover of the hot press down, the heating block is electrified and heated to realize hot pressing of the seal of the plastic bag, and the operator can take out the plastic bag which is subjected to hot pressing from the hot press and put another plastic bag filled with the products into the hot press.

In the related art, an operator needs to move plastic bags filled with products one by one to a hot press for hot pressing so as to package the products in batches, so that the inventor thinks that the defect of inconvenient packaging operation exists in the related art.

SUMMERY OF THE UTILITY MODEL

In order to improve the convenience of the packaging operation, the application provides a packaging device for packaging products in batches.

The application provides a packing plant for packing product in batches adopts following technical scheme:

the utility model provides a packing plant for being directed at product is packing in batches, includes the frame, be used for carrying out the first transmission subassembly that transmits to the wrapping bag, be used for carrying out the second transmission subassembly that transmits to the product, be used for driving the open opening subassembly of wrapping bag sack and be used for the second hot pressing subassembly that seals to the wrapping bag sack of accomplishing the packing, first transmission subassembly, second transmission subassembly, opening subassembly and second hot pressing subassembly all set up in the frame, second transmission subassembly and first frame interval set up, the opening subassembly is grabbed the opening driving piece that the piece removed between first transmission subassembly, second transmission subassembly including grabbing and driving, the opening driving piece sets up in the frame, it is connected with the drive end of opening driving piece to grab, second hot pressing subassembly includes second hot pressing seat and is used for driving second hot pressing seat at first transmission subassembly, And the second hot-pressing driving part is arranged on the rack, and the second hot-pressing seat is connected with the driving end of the second hot-pressing driving part.

By adopting the technical scheme, the first transmission assembly and the second transmission assembly respectively realize the continuous transmission of the packing bags and the products, the coiled packing bags are spread out under the transmission of the first transmission assembly, all the packing bags are connected end to end, only one surface of the bag mouth of each packing bag is connected with the other packing bag, the other surface of each packing bag can be moved under the action of external force to realize the opening of the bag mouth of each packing bag, when the packing bags are moved to be aligned with the grabbing piece, the grabbing piece grabs the movable surface of each packing bag, the grabbing piece moves under the driving of the opening driving piece to drive the movable surface of each packing bag to move, the bag mouths of the packing bags are opened, the products are transmitted to the ends of the second transmission assembly under the transmission of the second transmission assembly and then fall into the packing bags with the mouths opened by gravity, and then the grabbing pieces move reversely under the driving of the opening driving piece to close the bag mouths, simultaneously second hot pressing driving piece drive second hot pressing seat removes to the direction that is close to the wrapping bag, the second hot pressing seat carries out hot pressing to the wrapping bag sack and seals, simultaneously through the heating wrapping bag will be equipped with the wrapping bag of product and the junction fusing of the wrapping bag of not carrying out the product packing, second hot pressing seat reverse movement to initial position after finishing, the independent packing to the product has been accomplished, and treat that next wrapping bag and product carry out the independent packing of product once more when removing to the assigned position, the operator can collect the product that independent packing was accomplished, do not need the operator to carry out manual removal to product or wrapping bag and can last to accomplish the product and pack in batches, the improvement is to the convenience of product batch packing.

Preferably, the first transmission assembly comprises a first conveyor belt, a steering roller for changing the transmission direction of the packaging bags and a pressing roller for matching with the steering roller to clamp the packaging bags, the first conveyor belt is arranged on the rack, the steering roller and the pressing roller are rotationally connected with the rack, and the steering roller and the pressing roller are matched to transmit the packaging bags to the positions of aligning the second transmission assembly, the grabbing piece and the second hot pressing seat.

Through adopting above-mentioned technical scheme, when first conveyer belt forwarded the wrapping bag to turning roll department, the direction of transmission of wrapping bag changes, make the wrapping bag can move to second transmission subassembly end below and aim at under first transmission subassembly's transmission effect and action of gravity and grab piece, second hot pressing seat department, the product that makes final completion packing can fall under the action of gravity and do not stay in first transmission subassembly end department, improve the smoothness nature of wrapping bag transmission and to product packaging.

Preferably, the rack is rotatably connected with a driving roller for driving the first conveying belt to rotate, and the driving roller is in belt transmission with the steering roller.

Through adopting above-mentioned technical scheme, the synchronous rotation of steering roll and first conveyer belt realizes the transmission to the wrapping bag, need not carry out the setting of solitary driving piece to the steering roll, has reduced operator's work load, has realized the synchronous with fast transmission of first conveyer belt and steering roll simultaneously, avoids the wrapping bag to damage because first conveyer belt is different with steering roll transmission speed in transmission process.

Preferably, still including being used for realizing the first hot pressing subassembly that wrapping bag one end was sealed, first hot pressing subassembly includes first hot pressing seat and is used for driving the first hot pressing driving piece that first hot pressing seat removed, first hot pressing driving piece sets up in the frame, first hot pressing seat is connected with the drive end of first hot pressing driving piece, there is the interval between first hot pressing seat and the frame, first hot pressing seat sets up between first conveyer belt and the steering roll.

Through adopting above-mentioned technical scheme, the wrapping bag through first conveyer belt transmission is one and is pressed to flat and both ends piercing through's plastic film long tube, wrapping bag transmission to first hot pressing seat department under the transmission of first conveyer belt, first hot pressing seat removes in order to carry out the hot pressing to the wrapping bag to the direction that is close to the wrapping bag under the drive of first hot pressing driving piece, the tip confined independent wrapping bag that links together has been formed one by one after the many hot pressing of first hot pressing seat, according to the specification of the product of required packing, the time interval between the two hot pressing of operator adjustable first hot pressing seat, make this packing plant can pack the product of multiple specification, improve this packing plant's practicality.

Preferably, a first air pipe is arranged on the rack, and an air outlet end of the first air pipe is aligned with the first hot-pressing assembly.

Through adopting above-mentioned technical scheme, first trachea blows to the wrapping bag, and the wrapping bag that will not carry out the hot pressing blows flat, reduces each difference of accomplishing the independent wrapping bag of hot pressing, and the cooling of wrapping bag by first hot pressing seat hot pressing department has been accelerated to the gas that simultaneously first trachea blew out, and the wrapping bag is avoided being continued to remove under the transmission of first transmission assembly promptly when the hot pressing department is not fully cooled off and is leaded to the wrapping bag by the fracture of hot pressing department, reduces the defective index of wrapping bag.

Preferably, still including being used for the notched incision subassembly to wrapping bag one side, the incision subassembly includes cutter spare and the incision driving piece that is used for driving cutter spare to remove, the incision driving piece sets up in the frame, cutter spare is connected with the drive end of incision driving piece, there is the interval between cutter spare and the frame, cutter spare sets up between first conveyer belt and the steering roll.

Through adopting above-mentioned technical scheme, the incision subassembly surely supplies the sack that the product was put into on the wrapping bag, makes things convenient for putting into of follow-up product, realizes the continuous batch packing to the product, and according to the specification of required packing product, the time interval between the two cutting of operator's adjustable cutter spare makes the sack that surely goes out on the wrapping bag finished product be greater than the length of product in the interval between the tip of wrapping bag quilt hot pressing, makes this packing plant can pack the product of multiple specification, improves this packing plant's practicality.

Preferably, the packaging bag hot-pressing device further comprises a discharging roller for supplying the coiled packaging bags which are not subjected to hot pressing, and the discharging roller is rotatably connected to the rack.

Through adopting above-mentioned technical scheme, around establishing the wrapping bag in advance on the blowing roller, realize presetting of wrapping bag, the operator is fixed the wrapping bag position from one end when presetting the wrapping bag on first transmission assembly before packing product name, makes things convenient for the operator to predetermine on first transmission assembly the wrapping bag.

Preferably, the rotating connection has the tensioning roller that is used for the wrapping bag tensioning to not carrying out the hot pressing in the frame, the tensioning roller sets up between blowing roller and first transmission assembly.

Through adopting above-mentioned technical scheme, the tensioning roller carries out the tensioning to the wrapping bag of conveying, improves the accuracy of the position that first hot pressing seat, cutter spare carried out processing to the wrapping bag, reduces each and carries out the difference of the wrapping bag of independent packing to the product, reduces the defective rate of accomplishing hot pressing and sack open-ended wrapping bag, improves the smoothness nature to product packaging.

Preferably, the opening assembly further comprises a second air pipe used for blowing air at the bag opening of the packaging bag, and the second air pipe is arranged on the rack.

Through adopting above-mentioned technical scheme, the second trachea is snatching the piece and is blowing in the wrapping bag with gas from the wrapping bag sack before the one side that can be removed snatchs the wrapping bag, improves and snatchs the piece and to the wrapping bag accuracy that can be snatched by the one side that removes, improves the smoothness nature to product packaging.

Preferably, the packaging machine further comprises a third conveying assembly for conveying the packaged products, the third conveying assembly is arranged on the machine frame, and the third conveying assembly is located below the second hot pressing seat.

Through adopting above-mentioned technical scheme, the product of accomplishing independent packing falls to the third transmission assembly under the action of gravity and continues to transmit, avoids the product of accomplishing independent packing to pile up in second hot pressing seat below and influence the continuation of product packaging and go on.

Drawings

Fig. 1 is a schematic structural diagram of a packaging device for packaging a product batch according to an embodiment of the present application.

Fig. 2 is an exploded view of a second rack and a third rack of an embodiment of the present application.

Fig. 3 is an exploded view of another perspective of the second and third racks in an embodiment of the present application.

Fig. 4 is an enlarged view at a in fig. 1.

Fig. 5 is a schematic structural diagram of another view angle of the packaging device for packaging the product batch according to the embodiment of the application.

Description of reference numerals: 1. a first frame; 11. a discharge roller; 12. a tension roller; 13. a first motor; 2. a second frame; 21. a first conveyor belt; 22. a drive roller; 221. a gear; 23. a first synchronizing wheel; 24. a second synchronizing wheel; 25. a third synchronizing wheel; 26. a fourth cylinder; 261. a connecting plate; 262. a third connecting rod; 27. a first air pipe; 3. a third frame; 31. a turning roll; 32. thickening the plate; 33. a first hot pressing base; 34. a first cylinder; 341. a first connecting rod; 35. a second cylinder; 351. a second connecting rod; 36. a tool apron; 361. a cutter body; 37. a connecting frame; 371. a second air pipe; 38. a baffle plate; 4. an extension projection; 41. a pressure roller; 5. a second motor; 6. a synchronous belt; 7. a fourth frame; 71. a third cylinder; 72. a suction cup; 73. a second conveyor belt; 8. a second hot pressing base; 9. a fifth frame; 91. a third conveyor belt.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a packing plant for packing product batch. Referring to fig. 1, the packaging device for packaging products in batches comprises a frame, a discharging roller 11, a tensioning roller 12, a first transmission assembly, a first hot pressing assembly, a notch assembly, a second transmission assembly, an opening assembly, a second hot pressing assembly and a third transmission assembly, wherein the frame comprises a first frame 1, a second frame 2 and a third frame 3, the first frame 1, the second frame 2 and the third frame 3 are arranged on the ground, the first frame 1 and the second frame 2 are horizontally arranged at intervals, the third frame 3 is arranged on one side of the second frame 2 far away from the first frame 1 and fixed with the second frame 2, the discharging roller 11 is rotatably connected to the top of one side of the first frame 1 far away from the second frame 2, a first motor 13 is fixed on the first frame 1, an output shaft of the first motor 13 is coaxially fixed with the discharging roller 11, a packaging bag is wound on the discharging roller 11, and the packaging bag wound on the discharging roller 11 is a long tube with two penetrating ends, the tensioning roller 12 rotates to be connected on first frame 1, and tensioning roller 12 is located between blowing roller 11 and second frame 2, and tensioning roller 12 is provided with three, and three tensioning roller 12 horizontal intervals set up, and wherein the setting height that lies in the tensioning roller 12 of intermediate position among three tensioning rollers 12 is less than two other tensioning rollers 12, and three tensioning rollers 12 are walked around in proper order according to the order of the distance from far to near with second frame 2 to the wrapping bag on the blowing roller 11.

Referring to fig. 1 and 2, in order to realize the transportation of the packaging bags on the rack, the first transportation assembly comprises a first transportation belt 21, a steering roller 31 and a pinch roller 41, the first transportation belt 21 is horizontally arranged on the second rack 2, the first transportation belt 21 comprises a plurality of soft belt bodies horizontally arranged at intervals, two first transportation belts 21 are arranged on the first transportation belt 21, the two first transportation belts 21 are vertically arranged at intervals, the packaging bags are transported to the third rack 3 from between the two first transportation belts 21, the two first transportation belts 21 clamp the packaging bags and crush the packaging bags, the steering roller 31 is rotatably connected to one side of the third rack 3 far away from the second rack 2, the rack further comprises extending protrusions 4 fixed to two sides of one end of the third rack 3 far away from the second rack 2, the pinch roller 41 is rotatably connected to the extending protrusions 4, the pinch roller 41 is arranged on one side of the steering roller 31 far away from the second rack 2, and the pinch roller 41, The heights of the turning rollers 31 are equal, the height of the turning rollers 31 is lower than that of the first conveyor belt 21 closer to the ground, the packaging bags are horizontally conveyed under the driving of the first conveyor belt 21, the packaging bags are pressed to the turning rollers 31 by the cooperation of the pressing rollers 41 and the turning rollers 31, and the packaging bags are conveyed downwards under the driving of the turning rollers 31.

Referring to fig. 1 and 3, in order to realize the operation of the first conveyor belt 21, the second frame 2 is rotatably connected with two driving rollers 22, the driving rollers 22 are horizontally arranged, the two driving rollers 22 are vertically arranged on the second frame 2 at intervals, the first conveyor belt 21 with a higher height is wound on the driving roller 22 with a higher height, the first conveyor belt 21 with a lower height is wound on the driving roller 22 with a lower height, the driving roller 22 rotates to drive the first conveyor belt 21 to rotate, the ground is provided with a second motor 5, the second motor 5 drives the driving roller 22 to rotate through belt transmission realized by a belt and belt wheels, gears 221 are fixedly arranged at two ends of the peripheral wall of the two driving rollers 22, and the gear 221 on the driving roller 22 with a higher height is meshed with the gear 221 on the driving roller 22 with a lower height.

Referring to fig. 2 and 4, in order to realize the synchronous operation of the first conveyor belt 21 and the steering roller 31, a first synchronizing wheel 23, a second synchronizing wheel 24 and a third synchronizing wheel 25, each of which is provided with a toothed protrusion on a peripheral wall, are rotatably connected to a side of the second frame 2 away from the first frame, the first synchronizing wheel 23 is coaxially fixed with the driving roller 22 located at a higher position, the second synchronizing wheel 24 is arranged below the first synchronizing wheel, the second synchronizing wheel 24 is vertically located below the driving roller 22 located at a lower height, the third synchronizing wheel 25 is coaxially fixed with the steering roller 31, a synchronous belt 6 is arranged on a side portion of the frame, the synchronous belt 6 is an annular belt, the inner wall of the synchronous belt is provided with the toothed protrusion, the synchronous belt 6 is wound on the first synchronizing wheel 23, the second synchronizing wheel 24 and the third synchronizing wheel 25, the synchronous belt 6 is meshed with the first synchronizing wheel 23, the second synchronizing wheel 24 and the third synchronizing wheel 25, so as to realize the synchronous rotation of the driving roller 22 and the steering roller 31, thereby achieving the synchronous operation of the first conveyor belt 21 and the steering roller 31.

Referring to fig. 2 and 3, in order to divide the packing bags transferred from the first conveyor belt 21 to the third frame 3 into packing bags each having an independent packing space and connected to each other, the first hot pressing assembly is disposed on the third frame 3, the third frame 3 is in an arch shape, a thickened plate 32 is horizontally fixed on the top of the third frame 3, the top surface of the thickened plate 32 is flush with the top surface of the first conveyor belt 21 having a lower height, the first hot pressing assembly includes a first hot pressing base 33 and a first hot pressing driving member, the first hot pressing driving member includes two first air cylinders 34, the first air cylinders 34 are fixed on the bottom surface of the top of the third frame 3, the piston rods of the first air cylinders 34 are vertically slidably connected to the third frame 3, the top ends of the piston rods of the first air cylinders 34 are vertically fixed with first connecting rods 341, the first connecting rods 341 are round rods, the first hot pressing base 33 is fixed on the top ends of the two first connecting rods 341, the hot pressing end of the first hot pressing base 33 is disposed toward the thickened plate 32. The packing bag is conveyed to the lower part of the first hot pressing seat 33, the first hot pressing seat 33 moves downwards and clamps the packing bag with the thickened plate 32, and the packing bag is hot pressed by the first hot pressing seat 33 to form a plurality of packing bags which are connected with each other and contain independent packing spaces.

Referring to fig. 2 and 3, in order to accelerate cooling of the hot-pressed portion of the packaging bag after hot pressing by the first hot-pressing seat 33, the second frame 2 is fixed with the first air pipe 27 for blowing air into the hot-pressed portion of the packaging bag, an air outlet end of the first air pipe 27 is aligned with a position right below the hot-pressing seat of the thickened plate 32, and when the first hot-pressing seat 33 moves downward to hot-press the packaging bag, the air blown by the first air pipe 27 can further blow the packaging bag on the thickened plate 32 flat, thereby improving the hot-pressing effect.

Referring to fig. 2 and 3, in order to cut a bag opening into which a product falls on each of the interconnected packaging bags having an independent packaging space, a notch assembly is disposed on the third frame 3, the notch assembly is horizontally spaced from the first hot pressing assembly and is located on a side of the first hot pressing assembly away from the second frame 2, the notch assembly includes a cutter member and a notch driving member, the notch driving member includes a second cylinder 35, the second cylinder 35 is fixed on a bottom surface of a top portion of the third frame 3, a piston rod of the second cylinder 35 is vertically slidably connected with the third frame 3, a second connecting rod 351 is fixed on a top end of the piston rod of the second cylinder 35, the second connecting rod 351 is a round rod, the cutter member includes a cutter seat 36 and a cutter body 361, the cutter seat 36 is fixed on a top end of the second connecting rod 351, the cutter body 361 is fixed on a bottom surface of the cutter seat 36, and the cutter body moves down to cut one side of the packaging bag hot pressed by the first hot pressing seat 33, the bag mouth is formed at the end of an individual bag adjacent the first conveyor 21.

Referring to fig. 5, the rack further includes a fourth rack 7, the fourth rack 7 is disposed on one side of the third rack 3 away from the second rack 2, the fourth rack 7 is disposed on the ground, the fourth rack 7 and the third rack 3 are horizontally disposed at an interval, in order to open the bag mouth of the packaging bag to facilitate the product to fall into the packaging bag, the opening assembly is disposed on the fourth rack 7, the opening assembly includes a grasping member and an opening driving member, the grasping member includes a suction cup 72 for grasping the bag mouth-opened side of the packaging bag by pneumatic negative pressure, the opening driving member includes a third cylinder 71, the third cylinder 71 is fixed on the fourth rack 7, the third cylinder 71 is horizontally disposed and a piston rod of the third cylinder 71 horizontally extends out in a direction toward the third rack 3, the suction cup 72 is fixed at an end of the piston rod of the third cylinder 71, the third cylinder 71 and the suction cup 72 are vertically located below the pressing roller 41, the third air cylinder 71 and the suction cup 72 are spaced from the pressing roller 41 in the horizontal direction in the initial state, when the bag mouth of the packaging bag needs to be opened, the third air cylinder 71 drives the suction cup 72 to move towards the direction close to the third rack 3, the suction cup 72 is in contact with and sucks the movable surface of the packaging bag, and then the suction cup 72 moves reversely to open the bag mouth.

Referring to fig. 5, in order to make things convenient for normally opening of sack, one side that third frame 3 top is close to fourth frame 7 is fixed with link 37, and link 37 is the archway form, is fixed with second trachea 371 on the link 37, and second trachea 371 aims at the wrapping bag and opens the one side that has the sack, adsorbs when snatching the wrapping bag when sucking disc 72, and second trachea 371 opens tentatively to the sack department messenger's sack, and supplementary sucking disc 72 is to snatching of wrapping bag sack.

Referring to fig. 5, in order to automatically drop the products into the packaging bags, so as to automatically bag the products, the second conveying assembly comprises a second conveyor belt 73, the second conveyor belt 73 is arranged on the fourth frame 7 through a mounting frame, the second conveyor belt 73 is positioned above the suction cups 72, the second conveyor belt 73 is conveyed towards the direction close to the third frame 3, and when the products are conveyed to the end of the second conveyor belt 73, the products pass through the bag openings of the packaging bags and enter the packaging bags under the action of gravity.

Referring to fig. 3 and 5, in order to realize the heat sealing of the packaging bag packaged with the product, the second heat pressing assembly includes a second heat pressing base 8 and a second heat pressing driving member, the second heat pressing driving member includes a fourth cylinder 26, the fourth cylinder 26 is fixedly mounted on the second frame 2, the fourth cylinder 26 is located below the first conveyor belt 21, the fourth cylinder 26 is horizontally disposed, a piston rod of the fourth cylinder 26 horizontally extends out in a direction towards the fourth frame 7, a connecting plate 261 is fixed at an end of the piston rod of the fourth cylinder 26, one surface of the connecting plate 261 is fixed to the piston rod of the fourth cylinder 26, a third connecting rod 262 is fixed at two ends of the other surface, the third connecting rod 262 is horizontally disposed, the third connecting rod 262 is located below the top of the third frame 3, and the third connecting rod 262 is horizontally slidably connected to the third frame 3 in a direction approaching to and away from the fourth frame 7;

a baffle 38 is fixed in the middle of one surface of the third rack 3 facing the fourth rack 7, the baffle 38 is positioned below the pressing roller 41, the packaging bags are vertically conveyed downwards through the back part between the pressing roller 41 and the steering roller 31, the surface of the packaging bags, which is not provided with the bag mouths, faces the baffle 38, the third connecting rod 262 penetrates through the baffle 38 and is horizontally and slidably connected with the baffle 38, the second hot pressing seat 8 is fixed at one end of the third connecting rod 262 close to the fourth rack 7, the hot pressing side of the second hot pressing seat 8 is arranged facing the baffle 38, when the product falls into the packaging bags, the sucker 72 moves to close the bag mouths of the packaging bags, meanwhile, the second hot pressing seat 8 moves to the bag mouth of the packaging bag and presses the packaging bag tightly on the baffle 38 for heat sealing, and the second hot pressing seat 8 fuses the connection part of the packaging bag filled with the product and another packaging bag above the packaging bag while sealing the packaging bag in a hot pressing manner, so that the packaging bag filled with the product falls off from the packaging bag not filled with the product under the action of gravity.

Referring to fig. 5, in order to facilitate the collection of the packaged products, the third conveying assembly includes a third conveyor belt 91, the frame further includes a fifth frame 9, the fifth frame 9 is disposed between the third frame 3 and the fourth frame 7 and is located below the second hot pressing seat 8 and the suction cup 72, the third conveyor belt 91 is horizontally disposed on the fifth frame 9, the conveying direction of the third conveyor belt is perpendicular to the conveying direction of the second conveyor belt 73, and the packaged products fall onto the third conveyor belt 91 to be conveyed to a designated position.

The implementation principle of the packaging device for packaging products in batches is as follows: the packaging bags which are not subjected to the hot pressing treatment are preset on the discharging roller 11, an operator enables the packaging bags to pass through a narrow space between the two first conveyor belts 21 after the conveyor belts are wound around the tensioning roller 12 one by one, the two first conveyor belts 21 are abutted to the packaging bags, then the packaging bags pass through the lower portions of the first hot pressing seat 33 and the cutter body 361 when the operator moves the packaging bags again, finally the packaging bags are clamped between the steering roller 31 and the pressing roller 41, then the operator starts the packaging device, the first motor 13 and the second motor 5 operate, the packaging bags move under the transmission of the first conveyor belts 21 and the steering roller 31, and products move towards the direction close to the baffle 38 under the transmission of the second conveyor belt 73.

After the appointed transmission time, the second motor 5 stops operating, the packaging bags stop transporting, the first connecting rod 341 moves downwards under the driving of the first air cylinder 34 to drive the first hot pressing seat 33 to move downwards, the packaging bags are tightly pressed on the thickening plate 32 and are hot-pressed by the first hot pressing seat 33, each independent packaging bag packaging space is separated, then the first hot pressing seat 33 rises to the initial position, the first air pipe 27 blows air to the packaging bags through the hot pressing position of the first hot pressing seat 33 to accelerate the cooling of the hot pressing position, and then the second motor 5 continues operating to drive the packaging bags to continue operating.

When the first hot pressing base 33 is used for hot pressing the packaging bags, the cutter body 361 is aligned to the position, at which the bag openings need to be formed, of the packaging bags which are hot pressed by the first hot pressing base 33 at two ends, the second connecting rod 351 and the cutter holder 36 move downwards under the driving of the second air cylinder 35, one side, away from the packaging bags, of the thickening plate 32 is opened by the cutter body 361, then the cutter body 361 is lifted to the initial position, after the second motor 5 continues to operate, the packaging bags with the bag openings are continuously conveyed, and when the packaging bags need to be hot pressed again by the first hot pressing base 33, the other packaging bag with the bag opening needs to be formed and is moved to the position, at which the cutter body 361 needs to be aligned, of the bag opening.

When the first hot pressing is carried out on the packaging bags, the sucker 72 is aligned with the packaging bag with the opening of the bag opening, the sucker 72 is located below the bag opening of the packaging bag, the bag opening is blown open by the second air pipe 371, the sucker 72 is driven by the third air cylinder 71 to move to abut against the surface, with the opening of the packaging bag, of the packaging bag and adsorb the packaging bag, the sucker 72 reversely moves to the initial position, the opening of the packaging bag is opened, products pass through the opened bag opening of the packaging bag and fall into the packaging bag under the transmission of the second conveyor belt 73, and then the sucker 72 moves towards the direction close to the baffle 38 for the second time, so that the bag opening of the packaging bag is closed;

the third connecting rod 262 and the connecting plate 261 horizontally move under the driving of the fourth cylinder 26 to drive the second hot pressing base 8 to move towards the direction close to the baffle 38, the bag mouth of the packaging bag filled with the product is pressed on the baffle 38 by the second hot pressing base 8 and hot pressed, the packaging bag is sealed, the connection part of the packaging bag filled with the product and the packaging bag connected with the packaging bag above the packaging bag is fused, the product falls on the third conveyor belt 91 under the action of gravity and is conveyed to a specified position, the second hot pressing base 8 and the suction disc 72 reversely move to the initial position, the second motor 5 operates again, the packaging bag of the unpacked product continues to operate, and when the first hot pressing base 33 needs to hot press the packaging bag again, the other packaging bag needing to be packaged with the product moves to the position where the bag mouth opening part is aligned with the second hot pressing base 8.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A packaging unit for bulk packaging of products, characterized in that: the packaging bag opening sealing device comprises a rack, a first transmission assembly for transmitting packaging bags, a second transmission assembly for transmitting products, a second hot pressing assembly for driving an opening assembly of the packaging bag opening and sealing the opening of the packaging bag opening of the finished packaging bag, wherein the first transmission assembly, the second transmission assembly, the opening assembly and the second hot pressing assembly are all arranged on the rack, the second transmission assembly and the rack are arranged at intervals, the opening assembly comprises a grabbing piece and an opening driving piece for driving the grabbing piece to move between the first transmission assembly and the second transmission assembly, the opening driving piece is arranged on the rack, the grabbing piece is connected with a driving end of the opening driving piece, the second hot pressing assembly comprises a second hot pressing seat (8) and a second hot pressing driving piece for driving the second hot pressing seat (8) to move between the first transmission assembly and the second transmission assembly, the second hot-pressing driving part is arranged on the rack, and the second hot-pressing seat (8) is connected with the driving end of the second hot-pressing driving part.

2. A packaging device for packaging batches of products according to claim 1, characterized in that: the packaging bag conveying device is characterized in that the first conveying assembly comprises a first conveying belt (21), a steering roller (31) used for changing the conveying direction of the packaging bags and a pressing roller (41) used for being matched with the steering roller (31) to clamp the packaging bags, the first conveying belt (21) is arranged on the rack, the steering roller (31), the pressing roller (41) and the rack are connected in a rotating mode, and the steering roller (31) and the pressing roller (41) are matched to convey the packaging bags to the positions of aligning the second conveying assembly, the grabbing piece and the second hot pressing seat (8).

3. A packaging device for packaging batches of products according to claim 2, characterized in that: the frame is rotationally connected with a driving roller (22) for driving the first conveying belt (21) to rotate, and the driving roller (22) is in belt transmission with the steering roller (31).

4. A packaging device for packaging batches of products according to claim 2, characterized in that: still including being used for realizing the first hot pressing subassembly that wrapping bag one end was sealed, first hot pressing subassembly includes first hot pressing seat (33) and is used for driving the first hot pressing driving piece that first hot pressing seat (33) removed, first hot pressing driving piece sets up in the frame, first hot pressing seat (33) are connected with the drive end of first hot pressing driving piece, there is the interval between first hot pressing seat (33) and the frame, first hot pressing seat (33) set up between first conveyer belt (21) and steering roll (31).

5. A packaging device for packaging batches of products according to claim 4, characterized in that: the frame is provided with a first air pipe (27), and the air outlet end of the first air pipe (27) is aligned with the first hot-pressing assembly.

6. A packaging device for packaging batches of products according to claim 2, characterized in that: still including being used for the notched incision subassembly to wrapping bag one side, the incision subassembly includes cutter spare and the incision driving piece that is used for driving cutter spare to remove, the incision driving piece sets up in the frame, cutter spare is connected with the drive end of incision driving piece, there is the interval between cutter spare and the frame, cutter spare sets up between first conveyer belt (21) and steering roll (31).

7. A packaging device for packaging batches of products according to claim 1, characterized in that: still including the blowing roller (11) that are used for supplying the lapping wrapping bag setting of not carrying out the hot pressing, blowing roller (11) rotate to be connected in the frame.

8. Packaging unit for the bulk packaging of products according to claim 7, characterized in that: the packaging bag hot-pressing device is characterized in that a tensioning roller (12) used for tensioning a packaging bag which is not subjected to hot pressing is rotatably connected to the rack, and the tensioning roller (12) is arranged between the discharging roller (11) and the first conveying assembly.

9. A packaging device for packaging batches of products according to claim 1, characterized in that: the opening assembly further comprises a second air pipe (371) used for blowing air to the bag mouth of the packaging bag, and the second air pipe (371) is arranged on the rack.

10. Packaging unit for the bulk packaging of products according to any one of claims 1 to 9, characterized in that: the packaging machine further comprises a third conveying assembly used for conveying packaged products, wherein the third conveying assembly is arranged on the machine frame and is positioned below the second hot pressing seat (8).