CN219971359U - Efficient edge sealing device for packaging bag - Google Patents
Efficient edge sealing device for packaging bag Download PDFInfo
- Publication number
- CN219971359U CN219971359U CN202321326008.8U CN202321326008U CN219971359U CN 219971359 U CN219971359 U CN 219971359U CN 202321326008 U CN202321326008 U CN 202321326008U CN 219971359 U CN219971359 U CN 219971359U
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- pressing
- edge sealing
- rod
- fixed
- shafts
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- 238000007789 sealing Methods 0.000 title claims abstract description 38
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 104
- 238000007731 hot pressing Methods 0.000 claims abstract description 35
- 239000002985 plastic film Substances 0.000 abstract description 46
- 229920006255 plastic film Polymers 0.000 abstract description 46
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a high-efficiency edge sealing device for packaging bags, which comprises: the device comprises a base and a mounting plate, wherein a hydraulic cylinder is fixed on the lower surface of the mounting plate, a supporting plate is fixed at the output end position of the hydraulic cylinder, a hot pressing cutter is arranged at the middle position of the supporting plate, and pressing assemblies are arranged on the supporting plates at two sides of the hot pressing cutter; the pressing assembly includes: the pressing device comprises a pressing shaft, a pressing roller arranged between the two pressing shafts and a fixing rod for fixing the two pressing shafts; the two pressing shafts are arranged, the supporting rods are sleeved on the fixing rods and fixedly connected with the supporting plates, limiting rods for supporting and limiting the pressing shafts are arranged below the supporting plates, and the pressing rollers are rotatably connected with the pressing shafts; according to the utility model, the plastic film is smoothed by the pressing roller, so that the edge sealing position is smooth, and meanwhile, the plastic film is prevented from being pulled along with the movement of the hot pressing knife after edge sealing is finished, and the subsequent edge sealing smoothness is prevented from being influenced.
Description
Technical Field
The utility model relates to the technical field of wrapping bag banding, in particular to a wrapping bag efficient banding device.
Background
In daily life, people usually use plastic bags to store and hold various articles, such as garbage bags, supermarket shopping bags, safety belts and the like; because the usage amount is large, the plastic film of the large cylinder is subjected to continuous edge sealing treatment in the initial production stage, so that a continuous plastic bag roll is generated, and the plastic bag roll is convenient to store and use;
chinese patent CN216468914U discloses a plastic packaging bag edge sealing device, which comprises a frame and a circulating conveyor belt, wherein the middle position of the circulating conveyor belt is positioned inside the frame, two ends of the circulating conveyor belt extend out of the frame, and a hot pressing device is arranged in the frame; the device heats the wrapping bag from upper and lower both sides and realizes sealing, and the back is accomplished to the hot pressing is active hot pressing sword and passive hot pressing sword breaks away from through the rotation mode, and the endless conveyor carries out continuous conveying, and whole processing flow degree of continuity is high, can effectively improve production efficiency, but, disposal bag, shopping bag etc. are not possess elasticity, can not carry out extreme pulling to it in the production process and tighten, so when carrying out the banding through the hot pressing sword at every turn, just can lead to plastic film to remove along with the hot pressing sword and pull, the dislocation can appear in the oral area of plastic bag, and then lead to the oral area of plastic bag after the banding not neat, influence the outward appearance of plastic bag finished product.
Therefore, there is a need for an improvement in the prior art in which the plastic film moves with the hot knife to solve the above-mentioned problems.
Disclosure of Invention
The utility model overcomes the defects of the prior art and provides the efficient edge sealing device for the packaging bag.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an efficient edge banding device for a packaging bag, comprising: the hot pressing device comprises a base and a mounting plate, wherein a hydraulic cylinder is fixed on the lower surface of the mounting plate, a supporting plate is fixed at the output end position of the hydraulic cylinder, a hot pressing cutter is arranged at the middle position of the supporting plate, and pressing assemblies are arranged on the supporting plates on two sides of the hot pressing cutter;
the pressing assembly includes: the pressing device comprises pressing shafts, pressing rollers positioned between the two pressing shafts and fixing rods for fixing the two pressing shafts; the pressing shaft is provided with two pressing shafts, the support rods are sleeved on the fixing rods and fixedly connected with the support plates, limiting rods for supporting and limiting the pressing shafts are arranged below the support plates, and the pressing rollers are rotatably connected with the pressing shafts.
In a preferred embodiment of the present utility model, the pressing assembly further includes: a torsion spring; the torsional spring is sleeved on the fixed rod, one end of the torsional spring is fixedly connected with the fixed rod, and the other end of the torsional spring is fixedly connected with the supporting rod.
In a preferred embodiment of the present utility model, the support rod is provided with a hole slot, and the fixing rod rotates with the support rod through the hole slot.
In a preferred embodiment of the present utility model, fixing blocks are fixed at two sides of the end of the supporting plate, grooves are formed on the fixing blocks, and the pressing shaft is rotatably connected with the fixing blocks through the grooves.
In a preferred embodiment of the utility model, a round hole communicated with the groove is formed on the inner side of the fixing block on the same side, and the fixing rod is fixedly connected with the two pressing shafts through the round hole.
In a preferred embodiment of the present utility model, the limiting rod is located at a position right below the fixed block and is fixedly connected with the fixed block.
In a preferred embodiment of the utility model, the limiting rod is an L-shaped rod formed by fixing a cross rod and a vertical rod, and the position of the cross rod on the limiting rod is a contact end with the pressing shaft.
In a preferred embodiment of the present utility model, the base is provided with a cutter groove corresponding to the hot-pressing cutter.
In a preferred embodiment of the utility model, round blocks are fixed at two ends of the pressing roller, the round blocks are coaxially fixed with the pressing roller, a layer of rubber ring is sleeved on the outer side of the round blocks, and the surface of the rubber ring is flush with the surface of the pressing shaft.
The utility model solves the defects existing in the background technology, and has the following beneficial effects:
(1) According to the utility model, the heated hot-pressing knife is driven to move downwards through the hydraulic lifting platform, the two pressing rollers are firstly contacted with the plastic film, and move towards the direction far away from the supporting plate along with the reduction of the distance between the hot-pressing knife and the plastic film, so that the plastic film is smoothed, the position needing edge sealing is leveled, and the possibly residual air between the plastic film and the base is extruded, so that the plastic film between the two pressing rollers is in a tight state, and the edge sealing is carried out on the plastic film with high efficiency and high quality.
(2) According to the utility model, through the cooperation between the two pressing rollers, the torsion spring and the limiting rod, when the hot-pressing knife after the heat sealing edge is finished leaves the plastic film, the pressing rollers still press and fix the position of the plastic film in a tight state, so that the plastic film is prevented from being torn along with the movement of the hot-pressing knife, the subsequent edge sealing smoothness is influenced, and the high efficiency and the high quality of the whole edge sealing of the plastic film are improved.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic overall construction of a preferred embodiment of the present utility model;
FIG. 2 is a schematic front view of a pressing assembly of a preferred embodiment of the present utility model;
fig. 3 is a schematic overall structure of a preferred embodiment of the present utility model.
In the figure: 1. a base; 2. a mounting plate; 3. a hydraulic cylinder; 4. a support plate; 5. a hot pressing knife; 6. pressing the shaft; 7. pressing rollers; 8. a fixed rod; 9. a support rod; 10. a limit rod; 11. a torsion spring; 12. a fixed block; 13. a knife slot; 14. a rubber ring.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.
As shown in fig. 1, 2 and 3, a packaging bag high-efficiency edge sealing device includes: the hot pressing device comprises a base 1 and a mounting plate 2, wherein a hydraulic cylinder 3 is fixed on the lower surface of the mounting plate 2, a supporting plate 4 is fixed at the output end position of the hydraulic cylinder 3, a hot pressing cutter 5 is arranged at the middle position of the supporting plate 4, and pressing assemblies are arranged on the supporting plates 4 at two sides of the hot pressing cutter 5;
the pressing assembly includes: a pressing shaft 6, a pressing roller 7 located between the two pressing shafts 6, and a fixing lever 8 fixing the two pressing shafts 6; the pressing shaft 6 is provided with two, the fixed rod 8 is sleeved with the supporting rods 9, the supporting rods 9 are fixedly connected with the supporting plates 4, limiting rods 10 for supporting and limiting the pressing shaft 6 are arranged below the supporting plates 4, and the pressing roller 7 is rotatably connected with the pressing shaft 6.
In a preferred embodiment of the present utility model, the base 1 is provided with a cutter groove 13 corresponding to the hot pressing cutter 5.
In a preferred embodiment of the present utility model, the stop lever 10 is an L-shaped lever formed by fixing a cross bar and a vertical bar, and the cross bar on the stop lever 10 is located at the contact end with the pressing shaft 6.
In a preferred embodiment of the present utility model, the pressing assembly further comprises: a torsion spring 11; the torsional spring 11 is sleeved on the fixed rod 8, one end of the torsional spring 11 is fixedly connected with the fixed rod 8, and the other end of the torsional spring is fixedly connected with the supporting rod 9.
It should be noted that, considering that the hot press knife 5 performs hot edge sealing on the plastic film, adhesion may occur between the plastic film and the hot press knife 5, when the hot press knife 5 performs edge sealing and retraction, synchronous movement is performed between the hot press knife 5 and the hot press knife, so that tearing occurs at the hot press edge sealing position, defective products occur, or the plastic film is torn, and the subsequent edge sealing of the plastic film is affected to be flat, so that a pressing component is provided to press and smooth the plastic film at the position where the edge sealing is required and the periphery thereof, so as to ensure the flatness of the edge sealing position, and avoid the situation that the plastic film is pulled after the hot press knife 5 finishes the heat sealing edge;
in the initial state, the pressing shaft 6 always has an inward overturning trend under the action of the torsion force of the torsion spring 11 and is supported by the limiting rod 10, and the pressing shaft 6 has an outward inclined state under the limiting support of the limiting rod 10, namely, can overturn outwards when being subjected to upward pressure;
when the edge sealing treatment is required to be carried out on the plastic film, one end of the plastic film passes through the surface of the base 1 and is positioned above the knife slot 13, the hydraulic lifting platform is controlled to drive the heated hot pressing knife 5 to move towards the direction of the plastic film, the pressing rollers 7 at the two sides are contacted with the plastic film at first, when the hydraulic lifting platform continuously moves downwards, the pressing rollers 7 are outwards overturned under pressure, the pressing rollers 7 are arranged between the two pressing shafts 6, the pressing rollers 7 are upwards overturned and simultaneously drive the pressing shafts 6 to upwards overturned, so that the torsion spring 11 is twisted, the torsion spring 11 has the torsion force of resetting, and the two pressing rollers 7 move towards the outer side far away from the supporting plate 4 after being contacted with the plastic film, so that the plastic film between the two pressing rollers 7 is smoothed and tightened, and the position of the edge sealing is kept flat when the edge sealing is convenient;
after the heat sealing edge is finished, the hydraulic lifting table drives the hot pressing knife 5 to reset upwards, namely, when the hot pressing knife 5 leaves the plastic film, the pressing roller 7 is used for pressing and fixing the plastic film, so that the plastic film is prevented from synchronously moving along with the hot pressing knife 5, the position of the plastic film is ensured to be fixed, meanwhile, in the process that the hot pressing knife 5 moves upwards to leave the plastic film, the plastic film is driven to tear, gaps are formed between the plastic film and the base 1, air exists, in the process that the hot pressing knife 5 moves upwards, the pressure born by the two pressing rollers 7 is gradually reduced, the pressing rollers 7 and the pressing shaft 6 are reset along with the torsion force of the torsion spring 11, the two pressing rollers 7 are always contacted with the plastic film and press, move towards the position of the cutter slot 13, the gaps between the plastic film and the base 1 are extruded, the air is extruded towards the position of the cutter slot 13, and the air cooling treatment can be carried out on the position of the heat sealing edge.
In a preferred embodiment of the present utility model, the support rod 9 is provided with a hole slot, and the fixing rod 8 rotates with the support rod 9 through the hole slot.
In a preferred embodiment of the present utility model, the fixing blocks 12 are fixed at two sides of the end of the supporting plate 4, the fixing blocks 12 are provided with grooves, and the pressing shaft 6 is rotatably connected with the fixing blocks 12 through the grooves.
In a preferred embodiment of the present utility model, a circular hole communicating with the groove is formed on the inner side of the same side fixing block 12, and the fixing rod 8 is fixedly connected with the two pressing shafts 6 through the circular hole.
In a preferred embodiment of the present utility model, the stop lever 10 is located at a position directly below the fixed block 12 and is fixedly connected to the fixed block 12.
In a preferred embodiment of the utility model, round blocks are fixed at two ends of the pressing roller 7, the round blocks are coaxially fixed with the pressing roller 7, a layer of rubber ring 14 is sleeved outside the round blocks, and the surface of the rubber ring 14 is flush with the surface of the pressing shaft 6.
In order to increase friction between the pressing roller 7 and the base 1 to avoid contact, the pressing roller 7 can be bonded to the plastic film, and therefore, a rubber ring 14 is provided.
When the plastic film edge sealing machine is used, one end of the plastic film passes through the surface of the base 1 and is positioned above the knife groove 13, the hydraulic lifting platform is controlled to drive the heated hot pressing knife 5 to move towards the direction of the plastic film, the pressing rollers 7 on two sides are firstly contacted with the plastic film, when the hydraulic lifting platform continuously moves downwards, the pressing rollers 7 are outwards overturned under pressure, the pressing shafts 6 can overturn at the groove positions on the fixed blocks 12, one ends of the two pressing shafts 6 are fixed through the fixed rods 8, so that the two pressing shafts 6 synchronously overturn, the torsion spring 11 is twisted, and the pressing rollers 7 roll on the base 1 and the plastic film until the hot pressing knife 5 carries out hot edge sealing on the plastic film;
subsequently, the hydraulic lifting table drives the hot pressing knife 5 to reset, and since the fixing block 12 is fixed on the supporting plate 4, and the supporting plate 4 is fixed at the output end of the hydraulic lifting table, the position where the pressing shaft 6 is connected with the fixing block 12 also moves upwards, the pressure applied to the two pressing rollers 7 gradually becomes smaller, the pressing rollers 7 and the pressing shaft 6 reset along with the torsion force of the torsion spring 11, the two pressing rollers 7 are always contacted with the plastic film and pressed, and move towards the knife slot 13 until the pressing shaft 6 is contacted with the limiting rod 10, at this time, the pressing rollers 7 leave the plastic film, and the external winding device winds the plastic film.
The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (9)
1. An efficient edge banding device for a packaging bag, comprising: the hot pressing device is characterized in that a hydraulic cylinder (3) is fixed on the lower surface of the mounting plate (2), a supporting plate (4) is fixed at the output end position of the hydraulic cylinder (3), a hot pressing cutter (5) is arranged at the middle position of the supporting plate (4), and pressing components are arranged on the supporting plates (4) at two sides of the hot pressing cutter (5);
the pressing assembly includes: a pressing shaft (6), a pressing roller (7) located between the two pressing shafts (6), and a fixing lever (8) fixing the two pressing shafts (6); the pressing shafts (6) are provided with two pressing shafts, the support rods (9) are sleeved on the fixing rods (8), the support rods (9) are fixedly connected with the support plates (4), limiting rods (10) for supporting and limiting the pressing shafts (6) are arranged below the support plates (4), and the pressing rollers (7) are rotationally connected with the pressing shafts (6).
2. The efficient edge sealing device for packaging bags according to claim 1, wherein: the pressing assembly further includes: a torsion spring (11); the torsion spring (11) is sleeved on the fixed rod (8), one end of the torsion spring (11) is fixedly connected with the fixed rod (8), and the other end of the torsion spring is fixedly connected with the supporting rod (9).
3. The efficient edge sealing device for packaging bags according to claim 1, wherein: the support rod (9) is provided with a hole groove, and the fixing rod (8) rotates with the support rod (9) through the hole groove.
4. The efficient edge sealing device for packaging bags according to claim 1, wherein: both sides position of backup pad (4) tip all is fixed with fixed block (12), set up flutedly on fixed block (12), press down axle (6) and be connected with fixed block (12) rotation through the recess.
5. The efficient edge sealing device for packaging bags of claim 4, wherein: the inner side of the fixed block (12) on the same side is provided with a round hole communicated with the groove, and the fixed rod (8) is fixedly connected with the two pressing shafts (6) through the round hole.
6. The efficient edge sealing device for packaging bags of claim 4, wherein: the limiting rod (10) is positioned at the position right below the fixed block (12) and is fixedly connected with the fixed block (12).
7. The efficient edge sealing device for packaging bags according to claim 1, wherein: the limiting rod (10) is an L-shaped rod formed by fixing a cross rod and a vertical rod, and the cross rod on the limiting rod (10) is in contact with the pressing shaft (6).
8. The efficient edge sealing device for packaging bags according to claim 1, wherein: and a cutter groove (13) which is arranged corresponding to the hot-pressing cutter (5) is formed in the base (1).
9. The efficient edge sealing device for packaging bags according to claim 1, wherein: the two ends of the pressing roller (7) are fixedly provided with round blocks, the round blocks are coaxially fixed with the pressing roller (7), a layer of rubber ring (14) is sleeved on the outer side of each round block, and the surface of each rubber ring (14) is flush with the surface of the pressing shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321326008.8U CN219971359U (en) | 2023-05-29 | 2023-05-29 | Efficient edge sealing device for packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321326008.8U CN219971359U (en) | 2023-05-29 | 2023-05-29 | Efficient edge sealing device for packaging bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219971359U true CN219971359U (en) | 2023-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321326008.8U Active CN219971359U (en) | 2023-05-29 | 2023-05-29 | Efficient edge sealing device for packaging bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219971359U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118061596A (en) * | 2024-04-17 | 2024-05-24 | 杭州邦林粘合科技有限公司 | Heat sealing device, heat sealing method and bag making machine |
-
2023
- 2023-05-29 CN CN202321326008.8U patent/CN219971359U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118061596A (en) * | 2024-04-17 | 2024-05-24 | 杭州邦林粘合科技有限公司 | Heat sealing device, heat sealing method and bag making machine |
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