CN220883308U - Multilayer co-extrusion high barrier film forming device - Google Patents
Multilayer co-extrusion high barrier film forming device Download PDFInfo
- Publication number
- CN220883308U CN220883308U CN202322842400.4U CN202322842400U CN220883308U CN 220883308 U CN220883308 U CN 220883308U CN 202322842400 U CN202322842400 U CN 202322842400U CN 220883308 U CN220883308 U CN 220883308U
- Authority
- CN
- China
- Prior art keywords
- frame
- fixed
- rotating
- barrier film
- high barrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 45
- 230000004888 barrier function Effects 0.000 title claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 34
- 238000007493 shaping process Methods 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 3
- 239000012528 membrane Substances 0.000 abstract description 13
- 238000004804 winding Methods 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000002457 bidirectional effect Effects 0.000 description 5
- 238000000465 moulding Methods 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model belongs to the technical field of high barrier film forming, and particularly relates to a multilayer co-extrusion high barrier film forming device which comprises a frame, wherein a plurality of material rolls, a group of second extrusion shafts, a group of first extrusion shafts, a group of shaping plates and a winding roller are sequentially connected with the frame, mounting plates are respectively fixed on two sides of one end of the frame, a group of second extrusion shafts and a group of first extrusion shafts are respectively connected between the two mounting plates in a rotating manner, one group of shaping plates comprises two upper and lower parallel plates, the two shaping plates can move in opposite directions at the same time, a heating plate is fixed in the shaping plates, the top of the shaping plates on the upper part and the bottom of the shaping plates are respectively connected with a reciprocating assembly, and the reciprocating assembly is connected with the frame. The utility model avoids forming bubbles between the membrane materials and ensures the quality of the membrane materials.
Description
Technical Field
The utility model belongs to the technical field of high barrier film forming, and particularly relates to a multilayer co-extrusion high barrier film forming device.
Background
The high barrier film is formed by extruding a material with strong gas barrier property and polyolefin with strong heat sewing property and water barrier property at the same time, is a film with a multilayer structure, has the advantages of low cost, convenient use, good transparency, strong printing adaptability, good mechanical property and the like due to excellent barrier property in recent years, and is widely applied to the fields of product packaging such as food, medicines, chemicals and the like, electronic device packaging, fuel cell membrane and the like in the market, and is rapidly developed.
The current high barrier film forming device is when using, carries out extrusion through the shaping board to multiunit membrane material and forms final high barrier film, but because current forming device carries out extrusion through the shaping board to multiunit membrane material when using directly for easily produce the bubble between the multiunit membrane material when using, make the inside bubble that still exists of high barrier film after the shaping, influence the quality of high barrier film, and carry out extrusion through the shaping board to the membrane material only, make the extrusion effect between the membrane material poor, cause the bonding effect poor between the high barrier film of formation.
Disclosure of utility model
The present utility model is directed to a multi-layer co-extrusion high barrier film forming device, which solves the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a multilayer is crowded high barrier film forming device altogether, includes the frame, the frame has connected gradually a plurality of material rolls, a set of second extrusion axle, a set of first extrusion axle, a set of template and wind-up roll, and the both sides of frame one end are fixed with the mounting panel respectively, two rotate respectively between the mounting panel and be connected with a set of second extrusion axle and a set of first extrusion axle, a set of the shaping board is including upper and lower parallel two, and two shaping boards can be the motion in opposite directions or opposite directions simultaneously, shaping inboard is fixed with the hot plate, upper portion shaping board's top and lower part shaping board's bottom is connected with reciprocal subassembly respectively, reciprocal subassembly and frame coupling.
The reciprocating assembly comprises a mounting frame, two limit rods are fixedly connected to the inner side walls of the mounting frame respectively, a tooth-shaped frame is fixedly connected to the forming plate, limiting blocks are fixedly arranged on two side faces of the tooth-shaped frame respectively, the limiting blocks are clamped in grooves of the limit rods and are in sliding connection with the limit rods, racks are respectively arranged on the two inner side walls of the tooth-shaped frame, half-shaped teeth are rotationally connected to the tooth-shaped frame, smooth surfaces and gear structures are respectively arranged on the outer walls of the half-shaped teeth, the gear structures can be meshed with the racks, rotating rods are fixedly connected to the half-shaped teeth, and the rotating rods are connected with a first power assembly.
The first power component comprises a first motor, the output end of the first motor is fixedly connected with a rotating rod of the lower reciprocating component, a first fixing frame is fixed on the outer side wall of the frame, two first rotating shafts are respectively connected with the top and the bottom of one side face of the first fixing frame in a rotating mode, double belt wheels are respectively fixed on the two first rotating shafts and the two rotating rods, the lower portion is provided with the rotating rod and the lower portion, the first rotating shafts and the upper portion are respectively connected through matched first belt transmission, and the lower portion is provided with the first rotating shafts and the upper portion through second belt transmission.
And three second rotating shafts which are uniformly arranged are respectively and rotatably connected between the two inner walls at one end of the frame, and a material roll is connected on the second rotating shafts.
Friction columns are respectively clamped on the outer side walls of the second rotating shafts at two sides, and one side surface of each friction column is fixed with the outer side wall of the frame.
The two sides of one side surface of the outer wall of the frame are respectively provided with a slot, the top and the bottom of the inner side wall of the slot are respectively provided with two T-shaped clamping grooves, the T-shaped clamping blocks are respectively movably clamped in the top and the bottom of the T-shaped clamping grooves, a limiting plate is fixed between the top and the bottom of the T-shaped clamping blocks, which are mutually close to one side surface, the two limiting plates are respectively connected with a third rotating shaft in a rotating way, which is mutually close to one side surface, A wind-up roller is fixed between the two third rotating shafts and the side face, the third rotating shafts are connected with a second power assembly, connecting rods are respectively fixed at the tops of the two limiting plates and the side face, the two connecting rods are in threaded connection with a bidirectional threaded rod, and a hand wheel is fixed in the middle of the outer side wall of the bidirectional threaded rod.
The second power assembly comprises a second motor, a second fixing frame is fixed on one side surface of the outer side wall of the frame opposite to the first fixing frame, a fourth rotating shaft is connected to the second fixing frame in a rotating mode, a second motor is fixed on the bottom of one side surface of the frame, single belt wheels are respectively fixed on the output end of the second motor and the outer side wall of the fourth rotating shaft, a third belt is connected between the single belt wheels in a rotating mode, cross clamping strips are movably clamped inside the fourth rotating shaft, and one ends of the cross clamping strips, close to the limiting plates, are clamped inside the third rotating shaft.
Compared with the prior art, the utility model has the following beneficial effects:
(1) Through material book, second axis of rotation, friction post, first extrusion axle and second extrusion axle to can carry out preliminary extrusion to between the multiunit membrane material, make the air between the membrane material of multiunit simultaneously by first extrusion axle and second extrusion axle promote extrusion, avoid forming the bubble between the membrane material, guarantee the quality of membrane material.
(2) Through mounting bracket, gag lever post, stopper, dwang, profile of tooth frame, half shape tooth, shaping board and hot plate to can carry out secondary extrusion to the membrane material after the preliminary extrusion, improve the extrusion effect between the membrane material, and then improved the bonding effect between the high barrier film.
(3) Through third axis of rotation, limiting plate, T shape fixture block, T shape draw-in groove, connecting rod, two-way threaded rod and hand wheel to can carry out convenient change to the wind-up roll, make the change of wind-up roll more convenient, and then improved the shaping efficiency of high barrier film.
Drawings
FIG. 1 is a schematic view of the structure of the present utility model (first view angle);
FIG. 2 is a schematic diagram of the structure of the present utility model (second view);
FIG. 3 is a schematic view of the structure of the reciprocating assembly of the present utility model;
FIG. 4 is a schematic view of the present utility model in a cut-away configuration;
FIG. 5 is a schematic view of the enlarged partial structure of FIG. 2A according to the present utility model;
fig. 6 is a schematic view of a partial enlarged structure of B in fig. 4 according to the present utility model.
In the figure: 1. a frame; 2. a first motor; 3. a friction column; 4. a mounting plate; 5. a mounting frame; 6. a double belt wheel; 7. a first rotation shaft; 8. a first fixing frame; 9. the second fixing frame; 10. a first belt; 11. a second belt; 12. a rotating lever; 13. a second motor; 14. a single belt wheel; 15. a third belt; 16. a limit rod; 17. a toothed frame; 18. a limiting block; 19. half-shaped teeth; 20. forming a plate; 21. a heating plate; 22. a material roll; 23. a second rotation shaft; 24. a first pressing shaft; 25. a second pressing shaft; 26. a limiting plate; 27. a third rotation shaft; 28. a cross-shaped clamping strip; 29. a fourth rotation shaft; 30. a T-shaped clamping block; 31. a connecting rod; 32. a hand wheel; 33. a two-way threaded rod; 34. a T-shaped clamping groove; 35. slotting; 36. and (5) a wind-up roller.
Detailed Description
Referring to fig. 1-6, the multi-layer co-extrusion high barrier film forming device includes a frame 1, the frame 1 is sequentially connected with a plurality of material rolls 22, a set of second extrusion shafts 25, a set of first extrusion shafts 24, a set of shaping plates 20 and a wind-up roller 36, two sides of one end of the frame 1 are respectively fixed with mounting plates 4, a set of second extrusion shafts 25 and a set of first extrusion shafts 24 are respectively rotatably connected between the two mounting plates 4, a set of shaping plates 20 includes two upper and lower parallel plates, the two shaping plates 20 can simultaneously make opposite or opposite directions of movement, a heating plate 21 is fixed inside the shaping plates 20, the top of the shaping plates 20 and the bottom of the shaping plates 20 are respectively connected with a reciprocating assembly, and the reciprocating assembly is connected with the frame 1.
The reciprocating assembly comprises a mounting frame 5, the mounting frame 5 is fixedly connected with a frame 1, two limiting rods 16 are respectively fixed on the inner side walls of the mounting frame 5, a forming plate 20 is fixedly connected with a toothed frame 17, limiting blocks 18 are respectively fixed on two side faces of the toothed frame 17, the limiting blocks 18 are clamped in grooves of the limiting rods 16 and are in sliding connection with the limiting rods 16, racks are respectively arranged on the two inner side walls of the toothed frame 17, half-shaped teeth 19 are rotationally connected with the toothed frame 17, smooth surfaces and gear structures are respectively arranged on the outer walls of the half-shaped teeth 19, the gear structures can be meshed with the racks, the half-shaped teeth 19 are fixedly connected with a rotating rod 12, and the rotating rod 12 is connected with a first power assembly. The gear structures of the half-shaped teeth 19 corresponding to the upper and lower toothed frames 17 are arranged in opposite directions, so that the two forming plates 20 can move in opposite directions or opposite directions at the same time.
The first power assembly comprises a first motor 2, the output end of the first motor 2 is fixedly connected with a rotating rod 12 of a lower reciprocating assembly, a first fixing frame 8 is fixed on the outer side wall of the frame 1, two first rotating shafts 7 are respectively connected with the top and the bottom of one side surface of the first fixing frame 8 in a rotating mode, double belt wheels 6 are respectively fixed on the two first rotating shafts 7 and the two rotating rods 12, the lower portion of the rotating rod 12 is connected with the lower portion of the first rotating shaft 7 in a transmission mode through matched first belts 10, and the upper portion of the rotating rod 7 is connected with the lower portion of the first rotating shaft 7 in a transmission mode through second belts 11.
And three second rotating shafts 23 which are uniformly arranged are respectively and rotatably connected between two inner walls at one end of the frame 1, and a material roll 22 is connected to the second rotating shafts 23.
Friction columns 3 are respectively clamped on the outer side walls of the second rotating shafts 23 on two sides, and one side surface of each friction column 3 is fixed with the outer side wall of the frame 1.
The two sides of a side face of the outer wall of the frame 1 are respectively provided with a slot 35, the top and the bottom of the inner side wall of the slot 35 are respectively provided with two T-shaped clamping grooves 34, the top and the bottom of the slot 34 are respectively movably clamped with T-shaped clamping blocks 30, the top and the bottom of the T-shaped clamping blocks 30 are mutually close to one side face and fixedly provided with limiting plates 26, the two limiting plates 26 are mutually close to one side face and respectively connected with a third rotating shaft 27 in a rotating way, the two third rotating shafts 27 are mutually close to one side face and fixedly provided with a winding roller 36, the third rotating shafts 27 are connected with a second power assembly, the two limiting plates 26 are mutually close to one side face and respectively fixedly provided with connecting rods 31, the two connecting rods 31 are respectively connected with two threaded rods 33, and the middle part of the outer side wall of each threaded rod 33 is fixedly provided with a hand wheel 32.
The second power assembly comprises a second motor 13, a second fixing frame 9 is fixed on the side surface of the outer side wall of the frame 1 opposite to the first fixing frame 8, a fourth rotating shaft 29 is rotatably connected to the side surface of the second fixing frame 9, the second motor 13 is fixed to the bottom of the side surface of the frame 1, single belt wheels 14 are respectively fixed to the output end of the second motor 13 and the outer side wall of the fourth rotating shaft 29, a third belt 15 is rotatably connected between the two single belt wheels 14, a cross clamping strip 28 is movably clamped inside the fourth rotating shaft 29, and one end, close to a limiting plate 26, of the cross clamping strip 28 is clamped inside the third rotating shaft 27.
When the utility model specifically works, when the film materials on the material rolls 22 are preliminarily molded, one ends of the film materials on the three material rolls 22 are pulled out, the film materials respectively pass through the upper second extrusion shaft 25, the lower second extrusion shaft 25 and the two first extrusion shafts 24 and pass through the two molding plates 20, the three film materials are preliminarily extruded by pulling one ends of the three film materials, the preliminary extrusion positions are cut by the cutting knife, the cut preliminary extrusion positions are uneven, one ends of the three film materials are pulled, the upper first extrusion shaft 24, the lower first extrusion shaft 25 and the second extrusion shaft 25 carry out preliminary extrusion on the film materials again, and one ends of the three film materials are adhered on the outer side wall of the winding roller 36 by adhesion.
When three film materials are molded and extruded to form a high barrier film, the first motor 2 and the heating plate 21 are started, the first motor 2 is rotated to drive the bottom rotating rod 12 connected with the first motor 2 to rotate, the double belt pulley 6, the first belt 10 and the second belt 11 are used for synchronously rotating the two rotating rods 12, the rotating rods 12 are rotated to drive the half-shaped teeth 19 to rotate, the half-shaped teeth 19 are rotated to drive the toothed frame 17 to move up and down, the upper molding plate 20 and the lower molding plate 20 are used for secondarily extruding and molding the high barrier film formed after preliminary extrusion to form a final high barrier film, the second motor 13 is started at the same time of starting the first motor 2, the second motor 13 is rotated to drive the third belt 15, the third belt 15 is rotated to drive the fourth rotating shaft 29 to rotate, the fourth rotating shaft 29 is rotated to drive the cross clamping strip 28 to rotate, the cross clamping strip 28 is rotated to drive the third rotating shaft 27 to rotate, the third rotating shaft 27 is rotated to drive the winding roller 36 to rotate, when the winding roller 36 is used for winding the molded high barrier film, the winding roller 36 is manually replaced, the hand wheel 32 is rotated to drive the bidirectional threaded rod 33 to rotate, the bidirectional winding roller 33 is rotated to drive the bidirectional cutting rod 33 to move the two sides to move the third belt 31 downwards, and the two side of the cutting blades can cut films to move to two sides to be cut to two sides.
The first motor 2, the heating plate 21 and the second motor 13 are commercially available, are well known in the art, and are not described in detail in the specification.
Claims (7)
1. The utility model provides a multilayer is crowded high barrier film forming device altogether, includes frame (1), its characterized in that, frame (1) has connected gradually a plurality of material rolls (22), a set of second extrusion axle (25), a set of first extrusion axle (24), a set of shaping board (20) and wind-up roll (36), and mounting panel (4) are fixed with respectively to the both sides of frame (1) one end, two rotate respectively between mounting panel (4) and be connected with a set of second extrusion axle (25) and a set of first extrusion axle (24), a set of shaping board (20) are including upper and lower parallel two, and two shaping boards (20) can do the motion in opposite direction or opposite direction simultaneously, shaping board (20) inside is fixed with hot plate (21), upper portion the top and the lower part of shaping board (20) are connected with reciprocal subassembly respectively, and reciprocal subassembly is connected with frame (1).
2. The multilayer co-extruded high barrier film forming device of claim 1, wherein: the reciprocating assembly comprises a mounting frame (5), mounting frame (5) and frame (1) fixed connection, mounting frame (5) inside wall is fixed with two gag lever posts (16) respectively, shaping board (20) fixedly connected with profile of tooth frame (17), stopper (18) are fixed with respectively to profile of tooth frame (17) both sides face, stopper (18) block is provided with rack respectively on two inside walls of profile of tooth frame (17) in the fluting of gag lever post (16) and with gag lever post (16) sliding connection, profile of tooth frame (17) internal rotation is connected with half profile of tooth (19), and half profile of tooth (19) outer wall is provided with smooth surface and gear structure respectively, and gear structure can with rack toothing, half profile of tooth (19) fixedly connected with dwang (12), and first power component is connected to dwang (12).
3. The multilayer co-extruded high barrier film forming device of claim 2, wherein: the first power assembly comprises a first motor (2), the output end of the first motor (2) is fixedly connected with a rotating rod (12) of the lower reciprocating assembly, a first fixing frame (8) is fixed on the outer side wall of the frame (1), two first rotating shafts (7) are respectively connected with the top and the bottom of one side face of the first fixing frame (8) in a rotating mode, double belt wheels (6) are respectively fixed on the two first rotating shafts (7) and the two rotating rods (12), the lower portion is between the rotating rod (12) and the lower portion of the first rotating shafts (7), the upper portion of the first rotating shafts (7) and the upper portion of the rotating rods (12) are respectively connected through transmission of matched first belts (10), and the lower portion of the first rotating shafts (7) and the upper portion of the first rotating shafts (7) are connected through transmission of second belts (11).
4. The multilayer coextruded high barrier film forming device of claim 3, wherein: and three second rotating shafts (23) which are uniformly arranged are respectively connected between two inner walls at one end of the frame (1) in a rotating way, and a material roll (22) is connected to the second rotating shafts (23).
5. The multilayer coextruded high barrier film forming device of claim 4, wherein: friction columns (3) are respectively clamped on the outer side walls of the second rotating shafts (23) at two sides, and one side surface of each friction column (3) is fixed with the outer side wall of the frame (1).
6. The multilayer coextruded high barrier film forming device of claim 4, wherein: the utility model discloses a frame, including frame (1), frame, fixed connection, connecting rod (33) are fixed with threaded rod (32) in the middle part of the lateral wall of two-way (33), fluting (35) have been seted up respectively to both sides of a frame (1) outer wall side, two T shape draw-in grooves (34) have been seted up respectively to fluting (35) are offered to fluting (35) inside wall top and bottom respectively, top and bottom two respectively activity block has T shape fixture block (30) in T shape fixture block (30) are close to each other between a side, two limiting plate (26) are close to each other a side and rotate respectively and be connected with third axis of rotation (27), two be fixed with wind-up roll (36) between third axis of rotation (27) are close to each other a side, and second power component is connected to third axis of rotation (27), two limiting plate (26) are close to a side top respectively fixed with connecting rod (31), two connecting rod (31) all with two-way (33) threaded connection, threaded rod (32) are fixed with in the middle part of the lateral wall of two-way (33).
7. The multilayer coextruded high barrier film forming device of claim 6, wherein: the second power assembly comprises a second motor (13), a second fixing frame (9) is fixed on the opposite side surface of the outer side wall of the frame (1) to the first fixing frame (8), a fourth rotating shaft (29) is connected to the second fixing frame (9) in a rotating mode, a second motor (13) is fixed on the bottom of one side surface of the frame (1), a single belt wheel (14) is fixed on the output end of the second motor (13) and the outer side wall of the fourth rotating shaft (29) respectively, a third belt (15) is connected between the single belt wheel (14) in a rotating mode, a cross clamping strip (28) is movably clamped inside the fourth rotating shaft (29), and the cross clamping strip (28) is close to one end of a limiting plate (26) and one side of the third rotating shaft (27) in a clamping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322842400.4U CN220883308U (en) | 2023-10-23 | 2023-10-23 | Multilayer co-extrusion high barrier film forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322842400.4U CN220883308U (en) | 2023-10-23 | 2023-10-23 | Multilayer co-extrusion high barrier film forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220883308U true CN220883308U (en) | 2024-05-03 |
Family
ID=90843565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322842400.4U Active CN220883308U (en) | 2023-10-23 | 2023-10-23 | Multilayer co-extrusion high barrier film forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220883308U (en) |
-
2023
- 2023-10-23 CN CN202322842400.4U patent/CN220883308U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220883308U (en) | Multilayer co-extrusion high barrier film forming device | |
| CN211110258U (en) | PVC calendering film cutting device | |
| CN213675439U (en) | Dedicated inflation film manufacturing machine that prevents film fold of film production | |
| CN212499205U (en) | Press limit burring device is pressed with drenching membrane machine to production of double-layered muscle crepe paper | |
| CN213704594U (en) | PVC production laminating device | |
| CN210456761U (en) | Automatic winding device for producing biaxially oriented polypropylene film | |
| CN213533799U (en) | XPS extruded sheet surface treatment device | |
| CN211590345U (en) | Double-screw extruding double-layer bubble film machine trimming device | |
| CN112622128A (en) | Film production trimming device | |
| CN220599031U (en) | Forming layering device of wooden frame in aluminum-wood composite window | |
| CN216832728U (en) | Composite device is used in production of aluminium foil bag | |
| CN215171912U (en) | Cutter and transmission gear structure of indentation | |
| CN212859548U (en) | Automatic-calibration light-operated splitting machine for producing POF heat shrinkable film | |
| CN216037567U (en) | Accurate tape pasting mechanism of aluminium foil | |
| CN218664570U (en) | Membrane material flattening device | |
| CN215970010U (en) | Single screw extruder is used in plastic film production | |
| CN218985801U (en) | Color changing film composite equipment for grid layer | |
| CN219650776U (en) | Pressfitting machine is used in multilayer panel processing | |
| CN218892301U (en) | Paperboard extrusion forming device | |
| CN219650691U (en) | Packaging bag processing composite equipment | |
| CN218906568U (en) | Reusable high-strength film and integrated winding assembly | |
| CN216917932U (en) | Waterproof cloth production is with beating package and is put | |
| CN216832333U (en) | Automatic production line for damping fins | |
| CN115230289B (en) | Laminating device for heat-insulating and decorating integrated plate | |
| CN219636549U (en) | PET film cutting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |