CN219789331U - Hot-press bonding device - Google Patents
Hot-press bonding device Download PDFInfo
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- CN219789331U CN219789331U CN202322421191.6U CN202322421191U CN219789331U CN 219789331 U CN219789331 U CN 219789331U CN 202322421191 U CN202322421191 U CN 202322421191U CN 219789331 U CN219789331 U CN 219789331U
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- glue
- belt
- extrusion plates
- sliding
- frame
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- 239000003292 glue Substances 0.000 claims abstract description 129
- 238000001125 extrusion Methods 0.000 claims abstract description 64
- 239000002985 plastic film Substances 0.000 claims abstract description 60
- 229920006255 plastic film Polymers 0.000 claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 230000002457 bidirectional effect Effects 0.000 claims description 14
- 238000007790 scraping Methods 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 239000012785 packaging film Substances 0.000 abstract description 10
- 229920006280 packaging film Polymers 0.000 abstract description 10
- 239000004033 plastic Substances 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 238000004804 winding Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000009459 flexible packaging Methods 0.000 description 1
- 230000013011 mating 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
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model discloses a hot-press bonding device, which relates to the technical field of plastic packaging film production and comprises a frame, wherein a conveying roller, a glue dripping assembly, a heating pipe, a compression roller and a winding roller are sequentially arranged in the frame from back to front, two extrusion plates are also arranged in the frame, the extrusion plates are positioned between the glue dripping assembly and the heating pipe, and a gap for a plastic film to pass through is reserved between the two extrusion plates. The beneficial effects are that: the utility model is provided with two extrusion plates, after the plastic films are dripped, the two plastic films can be pre-adhered by the extrusion plates and scraped by the extrusion plates, so that the glue can be comprehensively attached on the plastic films, the adhesion quality is improved, the redundant glue can gradually move to two sides along the extrusion plates, meanwhile, the glue removing mechanism arranged on the extrusion plates can scrape and collect the redundant glue, the redundant glue is prevented from remaining on the plastic films, and the adhesion between the films is prevented after rolling.
Description
Technical Field
The utility model relates to the technical field of plastic packaging film production, in particular to a hot-press bonding device.
Background
The plastic packaging film has a larger and larger share in the market, particularly the composite plastic flexible packaging film is widely applied to the fields of food, medicine, chemical industry and the like, wherein the packaging film with the largest proportion is used for packaging the food, and packaging films with different properties can be subjected to thermocompression bonding in order to increase the properties of the plastic packaging film, so that the packaging film integrates multiple properties, and a thermocompression bonding device is needed when the packaging films with two or more different properties are subjected to thermocompression bonding.
Through searching, chinese patent publication No. CN218928654U discloses a hot-press bonding device for producing plastic packaging films, when the hot-press bonding device is used, two plastic films are conveyed into the device through a conveying roller, are heated after glue dripping is carried out on the plastic films, then the two films are pressed together through a pressing roller, and finally are rolled.
In the prior art, glue is dropped on the plastic film through a plurality of glue dropping openings, the glue dropping positions on the plastic film are basically fixed, the glue distribution is not comprehensive enough, partial plastic films possibly have no glue therebetween during bonding, and the plastic film can be extruded from two sides of two films when passing through the pinch rollers, so that partial glue is left on the side surfaces of the plastic films, and therefore, after being wound, certain glue exists on the side surfaces of the plastic film rolls, the films are adhered together, and the subsequent unwinding operation of the plastic film rolls is inconvenient.
Disclosure of Invention
The present utility model has been made to solve the above-mentioned problems, and an object of the present utility model is to provide a thermocompression bonding device.
The utility model realizes the above purpose through the following technical scheme:
the hot-press bonding device comprises a frame, wherein a conveying roller, a glue dripping assembly, a heating pipe, a compression roller and a wind-up roller are sequentially arranged in the frame from back to front, two extrusion plates are further arranged in the frame, the extrusion plates are positioned between the glue dripping assembly and the heating pipe, a gap for a plastic film to pass through is reserved between the two extrusion plates, two glue removing mechanisms which are symmetrically arranged left and right are laterally slid in front of the extrusion plates, an adjusting mechanism is arranged above the glue removing mechanisms and used for adjusting the distance between the left glue removing mechanism and the right glue removing mechanism, and a guide roller is arranged at the rear side of the extrusion plates;
the glue removing mechanism comprises a mounting frame which is slidably connected to the front side of the extrusion plate, two ends of the mounting frame are provided with openings, two vertically symmetrical belt glue removing assemblies are arranged in the mounting frame, a gap is reserved between the upper belt glue removing assembly and the lower belt glue removing assembly, one end, away from the extrusion plate, of the mounting frame is fixedly connected with a scraping plate, the bottom of the mounting frame is slidably connected with a glue collecting box, and the scraping plate is used for scraping glue on the belt glue removing assemblies into the glue collecting box.
Preferably, the extrusion plate is V-shaped with a forward opening, the adjacent surfaces of the two extrusion plates are arranged into circular arcs, the rear side of the extrusion plate is fixedly connected with a supporting rod, the other end of the supporting rod is fixedly connected with the frame, and the front side of the extrusion plate is provided with a sliding groove for installing the glue removing mechanism.
Preferably, the mounting frame comprises an upper sliding plate and a lower sliding plate, the sliding plates are in sliding connection in the sliding grooves, one ends of the sliding plates, far away from the extrusion plates, are connected together through connecting plates, and the two belt glue removing assemblies are arranged on opposite surfaces of the two sliding plates.
Preferably, the belt removes the subassembly and includes two belt pulleys, and the belt pulley rotates to be connected in the slide inboard, has cup jointed on the belt pulley and has removed the rubber belt, and one side fixedly connected with motor that removes the rubber belt is kept away from to the slide, the output shaft of motor and the belt pulley fixed connection who keeps away from scraper blade one end.
Preferably, the connecting groove is formed in the inner side of the rubber removing belt, the convex ring is fixedly connected to the belt pulley and matched with the connecting groove, and one end, away from the motor, of the belt pulley is located in the rubber removing belt.
Preferably, the adjusting mechanism comprises a bidirectional screw rod and a sliding rod which are arranged in the frame, two symmetrically arranged sliding blocks are arranged on the bidirectional screw rod and the sliding rod, the bidirectional screw rod is connected with the sliding blocks through threads, the sliding blocks are connected with the sliding rods in a sliding manner, a connecting rod is connected with the bottom of the sliding block in a sliding manner, the bottom of the connecting rod is fixedly connected with the mounting frame, and one end of the bidirectional screw rod is fixedly connected with a handle.
Preferably, the two sides of the frame are provided with glue taking openings, and the glue taking openings correspond to the positions of the glue removing mechanisms.
The beneficial effects are that: the utility model is provided with two extrusion plates, after the plastic films are dripped, the two plastic films can be pre-adhered by the extrusion plates and scraped by the extrusion plates, so that the glue can be comprehensively attached on the plastic films, the adhesion quality is improved, the redundant glue can gradually move to two sides along the extrusion plates, meanwhile, the glue removing mechanism arranged on the extrusion plates can scrape and collect the redundant glue, the redundant glue is prevented from remaining on the plastic films, and the adhesion between the films is prevented after rolling.
Additional features and advantages of the utility model will be set forth in the description which follows, or may be learned by practice of the utility model.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:
FIG. 1 is a perspective view of a thermocompression bonding apparatus according to the present utility model;
FIG. 2 is a top view of a thermocompression bonding device according to the present utility model;
FIG. 3 is a left side view of a thermocompression bonding device according to the present utility model;
FIG. 4 is a perspective view showing the structure of a glue removing mechanism and an adjusting mechanism of a thermocompression bonding device according to the present utility model;
FIG. 5 is a perspective view showing a connection structure between a glue removing mechanism and a scraping plate of a thermocompression bonding device according to the present utility model;
FIG. 6 is a cross-sectional view of a belt pulley and de-rubberized belt mating structure of a thermal compression bonding apparatus according to the utility model;
fig. 7 is a plan view showing the positional relationship between the plastic film processing process and the adhesive removing mechanism of the thermal compression bonding device.
The reference numerals are explained as follows: 1. a frame; 101. a conveying roller; 102. a glue dripping assembly; 103. heating pipes; 104. a pinch roller; 105. a wind-up roll; 106. a glue taking port; 2. an extrusion plate; 201. a support rod; 202. a chute; 3. a glue removing mechanism; 301. a mounting frame; 3011. a slide plate; 3012. a connecting plate; 302. a belt glue removing assembly; 3021. a belt pulley; 3022. removing the rubber belt; 3023. a motor; 3024. a connecting groove; 3025. a convex ring; 303. a scraper; 304. a glue collecting box; 4. an adjusting mechanism; 401. a two-way screw rod; 402. a slide bar; 403. a slide block; 404. a connecting rod; 405. a handle; 5. a guide roller; 6. a plastic film.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to 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 thus should not be construed as limiting the present utility model.
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1-7, a thermocompression bonding device comprises a frame 1, a transfer roller 101, a glue dripping assembly 102, a heating pipe 103, a compression roller 104 and a winding roller 105 are sequentially arranged in the frame 1 from back to front, two extrusion plates 2 are also arranged in the frame 1, the extrusion plates 2 are in a V shape with front openings, the extrusion plates 2 are positioned between the glue dripping assembly 102 and the heating pipe 103, a gap for a plastic film 6 to pass through is reserved between the two extrusion plates 2, the plastic film 6 is fed into the device through the transfer roller 101, the glue dripping assembly 102 drips the plastic film 6, then the plastic film 6 passes through the two extrusion plates 2, the extrusion plates 2 scrape glue between the two plastic films 6, so that the glue is fully covered between the plastic films 6, the extrusion plates 2 slide and are provided with two glue removing mechanisms 3 which are arranged in a bilateral symmetry way, as the extrusion plates 2 cannot scrape the positions of the two sides of the plastic film 6, and the surplus glue is gradually moved along the extrusion plates 2 and the glue removing mechanisms 3 to the two sides of the plastic film 6, the glue removing mechanisms are gradually moved from the two extrusion plates 2 to the two sides of the plastic film 6, and the glue removing mechanisms 4 are adjusted, and the glue removing mechanisms 4 are smoothly move from the two sides of the plastic film 6, and the two glue removing mechanisms 4 are adjusted, and after the glue removing mechanisms are moved from the two sides of the two extrusion plates are adjusted, and the two glue films 6 are moved from the two sides and the two guide mechanisms are adjusted, and the glue removing 4 are arranged;
the glue removing mechanism 3 comprises a mounting frame 301 which is slidably connected to the front side of the extrusion plate 2, openings are formed in two ends of the mounting frame 301, two vertically symmetrical belt glue removing assemblies 302 are arranged in the mounting frame 301, a gap is reserved between the upper belt glue removing assembly 302 and the lower belt glue removing assembly 302, a plastic film 6 passes through the gap, the belt glue removing assembly 302 scrapes glue and can take excessive glue away from the plastic film 6, one end of the mounting frame 301, which is far away from the extrusion plate 2, is fixedly connected with a scraping plate 303, a glue collecting box 304 is slidably connected to the bottom of the mounting frame 301, and glue on the belt glue removing assembly 302 is scraped by the scraping plate 303 and flows into the glue collecting box 304 along the scraping plate 303;
the adjacent surfaces of the two extrusion plates 2 are arranged into circular arcs, so that the plastic film 6 can conveniently pass through the two extrusion plates 2, the plastic film 6 is prevented from being scratched by the extrusion plates 2, the back side of the extrusion plates 2 is welded with a supporting rod 201, the other end of the supporting rod 201 is connected with the frame 1 through screws, a chute 202 for installing the glue removing mechanism 3 is formed in the front side of the extrusion plates 2, and the glue removing mechanism 3 can move left and right along the chute 202, so that the distance between the two glue removing mechanisms 3 is changed, and the plastic film 6 with different widths is adapted;
the mounting frame 301 comprises an upper slide plate 3011 and a lower slide plate 3011, the slide plates 3011 are slidably connected in the sliding grooves 202, one ends of the slide plates 3011 far away from the extrusion plates 2 are connected together through connecting plates 3012, and two belt glue removal assemblies 302 are arranged on opposite surfaces of the two slide plates 3011;
the belt gumming assembly 302 comprises two belt pulleys 3021, the belt pulleys 3021 are rotatably connected to the inner sides of the slide plates 3011, gumming belts 3022 are sleeved on the belt pulleys 3021, the belt pulleys 3021 rotate to drive the gumming belts 3022 to move, the rear sides of the gumming belts 3022 are enabled to move outwards, therefore, gummed water extruded from two sides of the plastic film 6 is separated from the plastic film, then the gumming belts 3022 are scraped by the scraping plate 303 to prevent the gummed water from returning to the plastic film 6, a motor 3023 is connected to one side, far away from the gumming belts 3022, of the slide plates 3011 through screws, and an output shaft of the motor 3023 is fixedly connected with the belt pulleys 3021 far away from one end of the scraping plate 303;
a connecting groove 3024 is formed in the inner side of the rubber removing belt 3022, a convex ring 3025 is fixedly connected to the belt pulley 3021, the convex ring 3025 is matched with the connecting groove 3024, the rubber removing belt 3022 cannot move upwards due to the fact that the connecting groove 3024 and the convex ring 3025 are used, one end, far away from the motor 3023, of the belt pulley 3021 is located in the rubber removing belt 3022, and the fact that the rubber removing belt 3022 cannot be contacted with the plastic film 6 due to the fact that the belt pulley 3021 stretches into a gap between the two rubber removing belts 3022 is prevented;
the adjusting mechanism 4 comprises a bidirectional screw rod 401 and a sliding rod 402 which are arranged in the machine frame 1, the bidirectional screw rod 401 is connected with the machine frame 1 through a bearing, the sliding rod 402 is fixedly connected with the machine frame 1, two symmetrically arranged sliding blocks 403 are arranged on the bidirectional screw rod 401 and the sliding rod 402, the bidirectional screw rod 401 is connected with the sliding block 403 through threads, the sliding block 403 is connected with the sliding rod 402 in a sliding manner, a connecting rod 404 is connected with the bottom of the sliding block 403 in a sliding manner, the connecting rod 404 can slide back and forth relative to the sliding block 403, the bottom of the connecting rod 404 is fixedly connected with the mounting frame 301, one end of the bidirectional screw rod 401 is fixedly connected with a handle 405, the two sliding blocks 403 are relatively moved through rotating the bidirectional screw rod 401, so that the mounting frame 301 is driven to move through the connecting rod 404 to adjust the distance between the two glue removing mechanisms 3, and the connecting rod 404 moves forwards and backwards relative to the sliding block 403 while the glue removing mechanism 3 moves leftwards and rightwards on the extruding plate 2;
the two sides of the frame 1 are provided with the glue taking openings 106, the glue taking openings 106 correspond to the positions of the glue removing mechanism 3, and the glue taking openings 106 are arranged to facilitate the manual disassembly and assembly of the glue collecting boxes 304 on the two sides of the frame 1.
Working principle: when the plastic film dispenser is used, two plastic films 6 are fed into the device through the conveying roller 101, the glue dripping assembly 102 drips the plastic films 6, the plastic films 6 pass through the two extrusion plates 2 through the guide of the guide roller 5 after the glue dripping, the two side edges of the plastic films 6 pass through the space between the upper and lower glue removing belts 3022, the extrusion plates 2 enable the two plastic films 6 to be attached in advance, the extrusion plates 2 scrape the glue between the two plastic films 6, and as the extrusion plates 2 cannot scrape the positions of the two sides of the plastic films 6, the glue on the two sides of the plastic films 6 is scraped through the glue removing belts 3022, so that the glue is covered on the plastic films 6 completely, and along with the movement of the plastic films 6, the redundant glue moves towards the two sides along the extrusion plates 2 and the glue removing belts 3022, and finally the glue is extruded from the two sides of the plastic films 6;
the motor 3023 drives the belt pulley 3021 to rotate, the belt pulley 3021 drives the rubber removing belt 3022 to move, the rear side of the rubber removing belt 3022 moves outwards, the glue on the two sides of the plastic film 6 is extruded and then stuck on the rubber removing belt 3022 and is taken away from the plastic film 6, the glue on the rubber removing belt 3022 is sent to the scraper 303 to be scraped off, and the glue flows into the glue collecting box 304 along the scraper 303, so that the collection of the redundant glue is completed;
the plastic film 6 passing through the extrusion plate 2 and the glue removing mechanism 3 is already pre-attached and the excessive glue is scraped off, then the plastic film 6 is heated by a heating pipe 103, after heating, the two plastic films 6 are tightly adhered by a pressing roller 104, and finally the plastic film 6 is wound on a winding roller 105;
for plastic films 6 with different widths, the distance between the two glue removing mechanisms 3 needs to be adjusted, the two-way screw rod 401 is rotated through the handle 405, the two-way screw rod 401 drives the two sliding blocks 403 to move relatively, the sliding blocks 403 drive the connecting rods 404 to move, the connecting rods 404 drive the mounting frame 301 to move, the glue removing mechanisms 3 slide obliquely along the sliding grooves 202 on the extrusion plate 2, and accordingly the distance between the two glue removing mechanisms 3 is adjusted, in the moving process of the glue removing mechanisms 3, the connecting rods 404 are connected with the sliding blocks 403 in a sliding manner, so that the connecting rods 404 move back and forth relative to the sliding blocks 403 to adapt to the position adjustment of the glue removing mechanisms 3, and when more glue is contained in the glue collecting boxes 304, the glue collecting boxes 304 are taken down manually from the glue collecting openings 106 on two sides of the frame 1, so that the glue collecting boxes 304 are convenient to clean.
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 their equivalents.
Claims (7)
1. The utility model provides a hot press bonding device, includes frame (1), has set gradually transfer roller (101), glue dripping subassembly (102), heating pipe (103), pinch roller (104), wind-up roll (105) in frame (1) from the back to the front, its characterized in that: two extrusion plates (2) are further arranged in the frame (1), the extrusion plates (2) are positioned between the glue dripping assembly (102) and the heating pipe (103), gaps for the plastic film (6) to pass through are reserved between the two extrusion plates (2) up and down, two glue removing mechanisms (3) which are symmetrically arranged left and right are slidably arranged in front of the extrusion plates (2), an adjusting mechanism (4) is arranged above the glue removing mechanisms (3), the adjusting mechanism (4) is used for adjusting the distance between the left glue removing mechanism and the right glue removing mechanism (3), and guide rollers (5) are arranged on the rear side of the extrusion plates (2);
the glue removing mechanism (3) comprises a mounting frame (301) which is slidably connected to the front side of the extrusion plate (2), two ends of the mounting frame (301) are provided with openings, two vertically symmetrical belt glue removing assemblies (302) are arranged in the mounting frame (301), a gap is reserved between the upper belt glue removing assemblies (302) and the lower belt glue removing assemblies, one end, away from the extrusion plate (2), of the mounting frame (301) is fixedly connected with a scraping plate (303), the bottom of the mounting frame (301) is slidably connected with a glue collecting box (304), and the scraping plate (303) is used for scraping glue on the belt glue removing assemblies (302) into the glue collecting box (304).
2. A thermocompression bonding device according to claim 1, wherein: the extrusion plates (2) are in a V shape with forward openings, the adjacent surfaces of the two extrusion plates (2) are arranged into circular arcs, the rear sides of the extrusion plates (2) are fixedly connected with support rods (201), the other ends of the support rods (201) are fixedly connected with the frame (1), and the front sides of the extrusion plates (2) are provided with sliding grooves (202) for installing the glue removing mechanism (3).
3. A thermocompression bonding device according to claim 2, wherein: the mounting frame (301) comprises an upper sliding plate (3011) and a lower sliding plate (3011), the sliding plates (3011) are slidably connected in the sliding grooves (202), one ends, far away from the extrusion plates (2), of the sliding plates (3011) are connected together through the connecting plates (3012), and two belt glue removing assemblies (302) are arranged on opposite surfaces of the two sliding plates (3011).
4. A thermocompression bonding device according to claim 3, wherein: the belt removes gluey subassembly (302) include two belt pulleys (3021), and belt pulley (3021) rotate to be connected at slide (3011) inboard, has cup jointed on belt pulley (3021) and has removed glued belt (3022), and one side fixedly connected with motor (3023) of removing glued belt (3022) is kept away from to slide (3011), and the output shaft of motor (3023) is kept away from belt pulley (3021) fixed connection of scraper blade (303) one end.
5. A thermocompression bonding device according to claim 4, wherein: connecting groove (3024) has been seted up to remove rubber belt (3022) inboard, fixedly connected with bulge loop (3025) on belt pulley (3021), bulge loop (3025) cooperatees with connecting groove (3024), and the one end that motor (3023) was kept away from to belt pulley (3021) is located removes rubber belt (3022).
6. A thermocompression bonding device according to claim 1, wherein: the adjusting mechanism (4) comprises a bidirectional screw rod (401) and a sliding rod (402) which are arranged in the frame (1), two symmetrically arranged sliding blocks (403) are arranged on the bidirectional screw rod (401) and the sliding rod (402), the bidirectional screw rod (401) is connected with the sliding blocks (403) through threads, the sliding blocks (403) are connected with the sliding rods (402) in a sliding mode, a connecting rod (404) is connected with the bottom of the sliding blocks (403) in a sliding mode, the bottom of the connecting rod (404) is fixedly connected with the mounting frame (301), and one end of the bidirectional screw rod (401) is fixedly connected with a handle (405).
7. A thermocompression bonding device according to claim 1, wherein: glue taking openings (106) are formed in two sides of the frame (1), and the glue taking openings (106) correspond to the positions of the glue removing mechanisms (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322421191.6U CN219789331U (en) | 2023-09-07 | 2023-09-07 | Hot-press bonding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322421191.6U CN219789331U (en) | 2023-09-07 | 2023-09-07 | Hot-press bonding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219789331U true CN219789331U (en) | 2023-10-03 |
Family
ID=88156530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322421191.6U Active CN219789331U (en) | 2023-09-07 | 2023-09-07 | Hot-press bonding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219789331U (en) |
-
2023
- 2023-09-07 CN CN202322421191.6U patent/CN219789331U/en active Active
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