CN220681789U - Hot-pressing bottom sealing device - Google Patents
Hot-pressing bottom sealing device Download PDFInfo
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- CN220681789U CN220681789U CN202322092934.XU CN202322092934U CN220681789U CN 220681789 U CN220681789 U CN 220681789U CN 202322092934 U CN202322092934 U CN 202322092934U CN 220681789 U CN220681789 U CN 220681789U
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- fixedly connected
- workbench
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- grooves
- pair
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- 238000007789 sealing Methods 0.000 title claims abstract description 30
- 238000007731 hot pressing Methods 0.000 title claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims description 28
- 230000002457 bidirectional effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000003755 preservative agent Substances 0.000 abstract description 11
- 230000002335 preservative effect Effects 0.000 abstract description 11
- 229920003023 plastic Polymers 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000002441 reversible effect Effects 0.000 abstract description 6
- 230000002829 reductive effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229920000704 biodegradable plastic Polymers 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000009512 pharmaceutical packaging Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of back cover equipment, in particular to a hot-pressing back cover device, which comprises a workbench; square frames are fixedly connected to the side walls of the two sides of the workbench; a rotating rod is rotatably connected between the top and the bottom of the square frame; a round column is fixedly connected to the rotating rod; the plastic bag is contacted with the heating block by driving the heater to lift through forward rotation and reverse rotation of the motor, so that the plastic bag is required to lift the heating block frequently in the actual production process, the hollow preservative film is subjected to hot-pressing and back-sealing continuously, the hollow preservative film is divided into a plurality of sections of preservative bags, the motor is frequently rotated forward and reverse to damage parts of the motor, the parts which are most easily damaged are a bearing and a circuit board of the motor, the service life of the motor is greatly reduced, the maintenance cost is further increased, and the replacement and maintenance of the motor enable the back-sealing efficiency of the preservative bag to be reduced.
Description
Technical Field
The utility model belongs to the technical field of bottom sealing equipment, and particularly relates to a hot-pressing bottom sealing device.
Background
The hot-pressing back cover is widely applied to the fields of daily chemical product packaging, food and drug packaging and the like, in the production process of plastic bags such as fresh-keeping bags and fruit bags, the coiled fresh-keeping bags are required to be divided into a plurality of sections, and the back cover is carried out on one end of each section, so that the plastic bags such as the fresh-keeping bags and the fruit bags are convenient to use and meet the market demands.
The utility model provides a chinese patent of patent number CN 218366765U discloses a hot pressing closing device for biodegradable plastic bag, the on-line screen storage device comprises a base, upper surface one side fixedly connected with pneumatic cylinder of base, the telescopic end fixedly connected with roof of pneumatic cylinder, the side fixedly connected with fixed plate of roof, the inside of fixed plate is provided with the equipment chamber, the lower fixed surface of fixed plate is connected with the hot plate, the spout has been seted up to the side of roof, the inner wall sliding connection of spout has the slider, the side fixedly connected with fixed block of slider, the lower surface fixedly connected with supporting shoe of fixed block. This hot pressing closing device for biodegradable plastic bag through setting up base, pneumatic cylinder, roof, fixed plate, equipment chamber, hot plate, spout, slider, fixed block, supporting shoe, L template, locating lever, conveyer belt, threaded rod, positive and negative rotation motor and motor cover to reach this hot pressing closing device for biodegradable plastic bag has the effect of being convenient for use.
In the prior art, the heater is driven to lift through forward rotation and reverse rotation of the motor, so that the plastic bag is contacted with the heating block, the plastic belt is sealed, in the actual production process, the heating block is required to be frequently lifted, so that the hollow preservative film is continuously subjected to hot-pressing and sealing, and is divided into a plurality of sections of preservative bags, but the motor is frequently rotated forward and reverse, the components of the motor are damaged, the components which are most damaged are a bearing and a circuit board of the motor, the service life of the motor is greatly reduced, the maintenance cost is further increased, and the replacement and maintenance of the motor reduce the sealing efficiency of the preservative bag.
Disclosure of Invention
In order to make up the defects in the prior art, the problem that the heater is driven to lift through forward rotation and reverse rotation of the motor, so that the plastic bag is contacted with the heating block is solved, the plastic tape is sealed, in the actual production process, the heating block is required to lift frequently, so that the hollow preservative film is continuously subjected to hot-pressing and sealed, the hollow preservative film is divided into a plurality of sections of preservative bags, but the motor is damaged due to frequent forward and reverse rotation, the most easily damaged parts are the bearing and the circuit board of the motor, the service life of the motor is greatly reduced, the maintenance cost is further increased, and the replacement and maintenance of the motor enable the sealing efficiency of the preservative bag to be reduced is solved.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a hot-pressing bottom sealing device, which comprises a workbench; square frames are fixedly connected to the side walls of the two sides of the workbench; a rotating rod is rotatably connected between the top and the bottom of the square frame; a round column is fixedly connected to the rotating rod; the circular columns are provided with circulating grooves, and the circulating grooves are symmetrically arranged along the workbench; the top of the square frame at one side of the workbench is fixedly connected with a first motor; the output end of the first motor penetrates through the square frame and is fixedly connected with the rotating rod; the opposite side walls of the square frames are provided with square through grooves; the opposite side walls of the pair of square through grooves are provided with T-shaped grooves which are communicated with the square through grooves; a T-shaped block is connected in a sliding manner in the T-shaped groove; a corresponding column is fixedly connected between the pair of T-shaped blocks and is connected in the circulating groove in a sliding manner; a bearing block is fixedly connected between the pair of corresponding columns; the top of the bearing block is fixedly connected with a heater; the top of the bearing block is provided with a through groove; the bottom of the heater is provided with a heating block, and the heating block extends out of the through groove; the bottom of the workbench is fixedly connected with a group of struts; the rotating rod at one side of the workbench is driven by the transmission part.
Preferably, the transmission member includes a first gear; a first sprocket is fixedly connected to a rotating rod at the bottom of the motor; the bottom of the square frame is rotatably connected with a rotating column; the rotating column is fixedly connected with a second chain wheel and a first gear; the first chain wheel and the second chain wheel are driven by a chain; the opposite side walls of the square frames are provided with connecting grooves, and the chains extend out of the connecting grooves; the rotating rod is fixedly connected with a second gear, and the first gear is meshed with the second gear.
Preferably, a pair of pressing plates are arranged on the top of the workbench.
Preferably, a square groove is formed in the side wall of the workbench; the side wall of the workbench is fixedly connected with a second motor; the second motor output end is provided with a bidirectional threaded rod which is rotationally connected with the side wall of the square groove; the bidirectional threaded rod is connected with a pair of sliding blocks symmetrically distributed along the heater in a threaded manner, and the sliding blocks are fixedly connected with the pressing plate.
Preferably, a pair of circular grooves are formed in the top of the workbench; the bottom of the circular groove is fixedly connected with a pulling column through a spring; a rotating shaft is fixedly connected between the pair of pulling columns; the rotating shaft is rotatably connected with a rotating roller, and the rotating roller is contacted with the top of the workbench; and the rotating roller is fixedly connected with an anti-slip pad.
Preferably, the side wall of the pressing plate is provided with an arc-shaped surface.
The beneficial effects of the utility model are as follows:
1. according to the hot-pressing bottom sealing device, the pulling structure is arranged at one end of the workbench, one end of the fresh-keeping bag is pulled, so that the fresh-keeping bag is provided with advancing power on the workbench, the rotating rod at the bottom of the first motor is driven to rotate by the first motor, the rotating rod at the bottom of the first motor drives the rotating rod in the square frame at the other side of the workbench to rotate through the transmission part, further a pair of round posts are driven to rotate in opposite directions, meanwhile, a corresponding post is driven to lift on the circulating groove, further the heater and the heating block are driven to lift circularly, then the intermittent lifting of the heating block and the heater is realized, the hot-pressing bottom sealing of the fresh-keeping bag is realized, different lengths of the bottom sealing fresh-keeping bag can be selected through the rotation speed adjustment of the first motor, and in order to enable the corresponding post not to incline, only the first motor only needs to rotate in a single direction along with the lifting of the corresponding post in the hot-pressing bottom sealing process, and the continuous working performance of the first motor is ensured.
2. According to the hot-pressing bottom sealing device, the pressing plates are arranged, edges on two sides of the fresh-keeping bag can be pressed, edge tilting and the like of the fresh-keeping bag in the hot-pressing edge sealing process are avoided, the effect of pressing edges in safety is poor, the second motor drives the two-way threaded rod to move, and meanwhile, the pair of pressing plates are driven to move simultaneously, so that the distance between the pair of pressing plates can be changed, the fresh-keeping bag with different widths is suitable for edge pressing treatment, and the adaptability is higher.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a top cross-sectional view of the present utility model;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a partial cross-sectional view of the structure of the present utility model;
FIG. 5 is a front cross-sectional view of the present utility model;
FIG. 6 is a partial block diagram of the present utility model;
in the figure: 1. a work table; 2. a square frame; 3. a rotating lever; 4. a circular column; 5. a circulation tank; 6. a first motor; 7. square through groove; 8. a T-shaped groove; 9. a T-shaped block; 10. a corresponding column; 11. a receiving block; 12. a heater; 13. a heating block; 15. a first sprocket; 16. a second sprocket; 17. a first gear; 18. a chain; 19. a second gear; 20. a pressing plate; 21. square grooves; 22. a second motor; 23. a two-way threaded rod; 24. a sliding block; 25. pulling the column; 26. a rotating roller; 27. an arc surface; 28. and a connecting groove.
Detailed Description
The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1 to 6, the hot-pressing bottom sealing device according to the embodiment of the utility model comprises a workbench 1; square frames 2 are fixedly connected to the side walls of the two sides of the workbench 1; a rotating rod 3 is rotatably connected between the top and the bottom of the square frame 2; a round column 4 is fixedly connected to the rotating rod 3; the pair of circular columns 4 are provided with circulating grooves 5, and the pair of circulating grooves 5 are symmetrically arranged along the workbench 1; the top of the square frame 2 at one side of the workbench 1 is fixedly connected with a first motor 6; the output end of the first motor 6 penetrates through the square frame 2 and is fixedly connected with the rotating rod 3; square through grooves 7 are formed in the opposite side walls of the square frames 2; the opposite side walls of the pair of square through grooves 7 are provided with T-shaped grooves 8, and the T-shaped grooves 8 are communicated with the square through grooves 7; a T-shaped block 9 is slidably connected in the T-shaped groove 8; a corresponding column 10 is fixedly connected between the pair of T-shaped blocks 9, and the corresponding column 10 is connected in the circulating groove 5 in a sliding manner; a bearing block 11 is fixedly connected between the pair of corresponding columns 10; the top of the bearing block 11 is fixedly connected with a heater 12; a through groove is formed in the top of the bearing block 11; a heating block 13 is arranged at the bottom of the heater 12, and the heating block 13 extends out of the through groove; a group of struts are fixedly connected to the bottom of the workbench 1; the rotating rod 3 at one side of the workbench 1 is driven by a transmission piece; during operation, a pulling structure is arranged at one end of the workbench 1 to pull one end of the fresh-keeping bag, the fresh-keeping bag is provided with forward power on the workbench 1, the rotating rod 3 at the bottom of the first motor 6 is driven by the first motor 6 to rotate, the rotating rod 3 at the bottom of the first motor 6 drives the rotating rod 3 in the square frame 2 at the other side of the workbench 1 to rotate through a transmission piece, and then a pair of round columns 4 are driven to rotate in opposite directions, meanwhile, a corresponding column 10 is driven to lift on the circulating groove 5, and then a heater 12 and a heating block 13 are driven to lift circularly, then intermittent lifting is realized through the heating block 13 and the heater 12, hot-pressing bottom sealing is realized on the fresh-keeping bag in an intermittent mode, different lengths of the bottom sealing fresh-keeping bag can be selected through rotation speed adjustment of the first motor 6, the T-shaped grooves 8 and the T-shaped blocks 9 are set up, in order to ensure that the corresponding column 10 can not incline, only the corresponding column 10 can lift along with the process of hot-pressing bottom sealing, and the first motor 6 only needs to rotate in a single direction, and the continuous workability of the first motor 6 is ensured.
The transmission comprises a first gear 17; a first chain wheel 15 is fixedly connected to the rotating rod 3 at the bottom of the motor; the bottom of the square frame 2 is rotatably connected with a rotating column; the rotating column is fixedly connected with a second chain wheel 16 and a first gear 17; the first chain wheel 15 and the second chain wheel 16 are driven by a chain 18; the opposite side walls of the square frames 2 are provided with connecting grooves 28, and the chains 18 extend out of the connecting grooves 28; the rotating rod 3 is fixedly connected with a second gear 19, and the first gear 17 is meshed with the second gear 19; when the rotary shaft is in operation, the first sprocket 15 drives the second sprocket 16 to rotate through the chain 18, so that the rotary column is driven to rotate, and meanwhile, the electric first gear 17 rotates, so that the second gear 19 and the rotary rod 3 on the second gear 19 are driven to rotate.
A pair of pressing plates 20 are arranged on the top of the workbench 1; during operation, through the establishment of the pressing plate 20, the edges at two sides of the fresh-keeping bag can be pressed, so that the situations of edge tilting and the like of the fresh-keeping bag in the hot-pressing edge sealing process are avoided, and the edge pressing effect of the insurance is poor.
Square grooves 21 are formed in the side wall of the workbench 1; the side wall of the workbench 1 is fixedly connected with a second motor 22; the output end of the second motor 22 is provided with a bidirectional threaded rod 23, and the bidirectional threaded rod 23 is rotationally connected with the side wall of the square groove 21; the bidirectional threaded rod 23 is in threaded connection with a pair of sliding blocks 24 symmetrically distributed along the heater 12, and the sliding blocks 24 are fixedly connected with the pressing plate 20; during operation, the second motor 22 drives the bidirectional threaded rod 23 to move, and simultaneously drives the pair of pressing plates 20 to move simultaneously, so that the distance between the pair of pressing plates 20 can be changed to adapt to the edge pressing treatment of the fresh-keeping bags with different widths, and the adaptability is higher.
A pair of circular grooves are formed in the top of the workbench 1; the bottom of the circular groove is fixedly connected with a pulling column 25 through a spring; a rotating shaft is fixedly connected between the pair of pulling columns 25; the rotating shaft is rotatably connected with a rotating roller 26, and the rotating roller 26 is contacted with the top of the workbench 1; an anti-slip pad is fixedly connected to the rotating roller 26; when the fresh-keeping bag squeezing machine works, the fresh-keeping bags are enabled to pass through the bottoms of the rotating rollers 26 by pulling the pulling columns 25, the springs are arranged, the rotating rollers 26 can squeeze the fresh-keeping bags with different thicknesses, the rotating rollers 26 rotate along with the movement of the fresh-keeping bags, and meanwhile air in the hollow fresh-keeping bags is squeezed; the anti-slip pad is arranged to avoid that the fresh-keeping bag can not drive the rotating roller 26 to rotate due to smooth material.
The side wall of the pressing plate 20 is provided with an arc-shaped surface 27; during operation, the arc-shaped surface 27 is arranged, so that the situation that one side of the pressing plate 20 props against a fresh-keeping bag which is not smooth enough can be avoided, and then the fresh-keeping bag is damaged along with the operation of a machine, so that material is wasted, and the arc-shaped surface 27 is arranged towards the feeding direction of the fresh-keeping bag.
Working principle: one end of the workbench 1 is provided with a pulling structure, one end of the fresh-keeping bag is pulled, the fresh-keeping bag is provided with advancing power on the workbench 1, the rotating rod 3 at the bottom of the first motor 6 is driven to rotate by the first motor 6, the rotating rod 3 at the bottom of the first motor 6 drives the rotating rod 3 in the square frame 2 at the other side of the workbench 1 to rotate by a transmission piece, a pair of round columns 4 are driven to rotate in opposite directions, meanwhile, a corresponding column 10 is driven to lift on the circulating groove 5, a heater 12 and a heating block 13 are driven to lift circularly, then the intermittent lifting of the fresh-keeping bag is realized by the heating block 13 and the heater 12, the heat-pressing bottom sealing of the fresh-keeping bag can be realized by the rotation speed adjustment of the first motor 6, the different lengths of the bottom sealing fresh-keeping bag can be selected, the T-shaped grooves 8 and the T-shaped blocks 9 are set up, so that the corresponding columns 10 can not incline, only along with lifting of the corresponding column 10, the first motor 6 only needs to rotate in a single direction in the hot-pressing and bottom-sealing process, so that the continuous operability of the first motor 6 is ensured, the first chain wheel 15 drives the second chain wheel 16 to rotate through the chain 18, further drives the rotating column to rotate, simultaneously drives the electric first gear 17 to rotate, further drives the second gear 19 and the rotating rod 3 on the second gear 19 to rotate, can press edges on two side edges of the fresh-keeping bag through the establishment of the pressing plates 20, avoids the conditions of edge tilting and the like of the fresh-keeping bag in the hot-pressing and edge sealing process, ensures poor edge pressing effect, drives the bidirectional threaded rod 23 to move through the second motor 22, simultaneously drives the pair of pressing plates 20 to move simultaneously, further enables the distance between the pair of pressing plates 20 to be changed, adapts to edge pressing treatment of fresh-keeping bags with different widths, has higher adaptability through pulling the pulling column 25, the fresh-keeping bags penetrate through the bottoms of the rotating rollers 26, and the springs are arranged, so that the rotating rollers 26 can squeeze the fresh-keeping bags with different thicknesses, the rotating rollers 26 rotate along with the movement of the fresh-keeping bags, and meanwhile air in the hollow fresh-keeping bags is squeezed; the anti-slip pad is arranged, so that the fact that the fresh-keeping bag cannot drive the rotating roller 26 to rotate due to the fact that the material is smooth is avoided, the arc-shaped surface 27 is arranged, the fact that one side of the pressing plate 20 props against the fresh-keeping bag which is not smooth enough can be avoided, and then the fresh-keeping bag is damaged along with the running of a machine, so that the material is wasted, and the arc-shaped surface 27 is arranged towards the feeding direction of the fresh-keeping bag.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A hot pressing back cover device which characterized in that: comprises a workbench (1); square frames (2) are fixedly connected to the side walls of the two sides of the workbench (1); a rotating rod (3) is rotatably connected between the top and the bottom of the square frame (2); a round column (4) is fixedly connected to the rotating rod (3); the pair of circular columns (4) are provided with circulating grooves (5), and the pair of circulating grooves (5) are symmetrically arranged along the workbench (1); a first motor (6) is fixedly connected to the top of the square frame (2) at one side of the workbench (1); the output end of the first motor (6) penetrates through the square frame (2) and is fixedly connected with the rotating rod (3); the opposite side walls of the square frames (2) are provided with square through grooves (7); the opposite side walls of the pair of square through grooves (7) are provided with T-shaped grooves (8), and the T-shaped grooves (8) are communicated with the square through grooves (7); a T-shaped block (9) is connected in a sliding manner in the T-shaped groove (8); a corresponding column (10) is fixedly connected between the pair of T-shaped blocks (9), and the corresponding column (10) is slidably connected in the circulating groove (5); a bearing block (11) is fixedly connected between the pair of corresponding columns (10); a heater (12) is fixedly connected to the top of the bearing block (11); a through groove is formed in the top of the bearing block (11); a heating block (13) is arranged at the bottom of the heater (12), and the heating block (13) extends out of the through groove; a group of struts are fixedly connected to the bottom of the workbench (1); the rotating rod (3) at one side of the workbench (1) is driven by a transmission piece.
2. The heat and pressure bottom sealing apparatus of claim 1, wherein: the transmission comprises a first gear (17); a first chain wheel (15) is fixedly connected on a rotating rod (3) at the bottom of the motor; the bottom of the square frame (2) is rotatably connected with a rotating column; the rotating column is fixedly connected with a second chain wheel (16) and a first gear (17); the first chain wheel (15) and the second chain wheel (16) are driven by a chain (18); the opposite side walls of the square frames (2) are provided with connecting grooves (28), and the chains (18) extend out of the connecting grooves (28); the rotating rod (3) is fixedly connected with a second gear (19), and the first gear (17) is meshed with the second gear (19).
3. The heat and pressure bottom sealing apparatus of claim 2, wherein: a pair of pressing plates (20) are arranged at the top of the workbench (1).
4. A heat and pressure bottom sealing apparatus as set forth in claim 3, wherein: square grooves (21) are formed in the side wall of the workbench (1); the side wall of the workbench (1) is fixedly connected with a second motor (22); the output end of the second motor (22) is provided with a bidirectional threaded rod (23), and the bidirectional threaded rod (23) is rotationally connected with the side wall of the square groove (21); the bidirectional threaded rod (23) is in threaded connection with a pair of sliding blocks (24) symmetrically distributed along the heater (12), and the sliding blocks (24) are fixedly connected with the pressing plate (20).
5. The heat and pressure bottom sealing apparatus according to claim 4, wherein: a pair of circular grooves are formed in the top of the workbench (1); the bottom of the circular groove is fixedly connected with a pulling column (25) through a spring; a rotating shaft is fixedly connected between the pair of pulling columns (25); the rotating shaft is rotatably connected with a rotating roller (26), and the rotating roller (26) is contacted with the top of the workbench (1); and an anti-slip pad is fixedly connected on the rotating roller (26).
6. The heat and pressure bottom sealing apparatus according to claim 5, wherein: an arc-shaped surface (27) is formed on the side wall of the pressing plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322092934.XU CN220681789U (en) | 2023-08-04 | 2023-08-04 | Hot-pressing bottom sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322092934.XU CN220681789U (en) | 2023-08-04 | 2023-08-04 | Hot-pressing bottom sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220681789U true CN220681789U (en) | 2024-03-29 |
Family
ID=90375250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322092934.XU Active CN220681789U (en) | 2023-08-04 | 2023-08-04 | Hot-pressing bottom sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220681789U (en) |
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2023
- 2023-08-04 CN CN202322092934.XU patent/CN220681789U/en active Active
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