CN215921274U - Automatic lens film sticking machine - Google Patents
Automatic lens film sticking machine Download PDFInfo
- Publication number
- CN215921274U CN215921274U CN202121734207.3U CN202121734207U CN215921274U CN 215921274 U CN215921274 U CN 215921274U CN 202121734207 U CN202121734207 U CN 202121734207U CN 215921274 U CN215921274 U CN 215921274U
- Authority
- CN
- China
- Prior art keywords
- motor
- plate
- cylinder
- bottom plate
- clamped
- 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
Images
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model discloses an automatic lens film sticking machine, and particularly relates to the technical field of lens processing. Utilize the ultra-thin type cylinder of second to compress tightly spacing to the membrane, utilize mini cylinder to drive the knife rest assembly, make it can tailor the membrane, utilize first ultra-thin type cylinder to make membrane and lens closely laminate, utilize by drive end synchronous pulley to rotate and tailor the membrane.
Description
Technical Field
The utility model relates to the technical field of lens processing, in particular to an automatic lens film sticking machine.
Background
The existing lens of electronic equipment is usually packaged by using a film in the production process so as to prevent the surface of the lens from being scratched in the transferring or transporting process, but in the prior art, the lens cannot be automatically pasted and cut, and therefore, an automatic lens film pasting machine is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic lens film sticking machine to solve the problems in the background technology.
In order to solve the technical problems, the utility model adopts the following technical scheme: an automatic lens film sticking machine comprises a fixed cylinder supporting plate, wherein a mini cylinder is installed at the center of the top end of the fixed cylinder supporting plate, a connecting seat is installed at the telescopic end of the mini cylinder, a material pressing cylinder supporting plate is installed above the connecting seat, a first ultra-thin cylinder is installed at the center of the top end of the material pressing cylinder supporting plate, a plurality of material pressing cylinder supporting columns are distributed at the bottom end of the first ultra-thin cylinder in a rectangular mode, a material pressing rod is installed at the top end of the telescopic end of the first ultra-thin cylinder, a spline shaft is installed on the outer side of the material pressing rod, a spline housing is installed on the outer side of the spline shaft, a driven end synchronous belt wheel is installed on the outer side of the upper end of the spline housing, a motor end synchronous belt wheel is installed on one side of the driven end synchronous belt wheel, an alternating current servo motor is installed at the center of the motor end synchronous belt wheel, and a tool rest assembly is installed on the outer side of the bottom end of the spline shaft, and a pressing head is arranged at the bottom end of the material pressing rod.
Preferably, a plurality of cylinder supporting plate supporting columns are installed at the bottom end of the fixed cylinder supporting plate, a pressure regulating valve is installed on one side of the mini cylinder, and a quick-change connector is installed on one side of the top end of the material pressing cylinder supporting plate.
Preferably, a connecting plate end cover is installed on one side of the top end of the connecting seat, a plurality of first cylindrical head socket head cap screws are annularly clamped at the top end of the connecting plate end cover and clamped at the top ends of the connecting plate end cover and the connecting seat, a deep groove ball bearing is clamped between the connecting plate end cover and the connecting seat and clamped at the top end of the spline shaft.
Preferably, a plurality of first small round nuts are annularly installed at the top end of the driven-end synchronous pulley, the first small round nuts are connected with the driven-end synchronous pulley and the spline housing, a bearing pressing ring is installed at the bottom end of the driven-end synchronous pulley, symmetrical angular contact ball bearings are installed at the bottom end of the bearing pressing ring, inner bearing rings are installed on the outer sides of the angular contact ball bearings, bearing seats are installed between the angular contact ball bearings, a bearing lower end cover is installed at the bottom end of the angular contact ball bearing, the angular contact ball bearings and the bearing seats are clamped on the outer side of the spline housing, and a quick air pipe joint is installed on the outer side of the lower end of the spline shaft.
Preferably, a synchronous V-belt is sleeved outside the motor-end synchronous pulley and the driven-end synchronous pulley, a cone-end set screw is clamped on the motor-end synchronous pulley and connected with an output end of an alternating-current servo motor and the motor-end synchronous pulley, a motor distance adjusting bottom plate is installed at the bottom end of the alternating-current servo motor, a plurality of motor bottom plate supporting columns are distributed at the bottom end of the motor distance adjusting bottom plate in a rectangular manner, a plurality of second hexagon socket head screws are arranged at the top end of the motor distance adjusting bottom plate in a rectangular manner and connected with the motor distance adjusting bottom plate and the motor bottom plate supporting columns, a first layer of supporting bottom plate is installed at the bottom ends of the motor bottom plate supporting columns in a rectangular manner, the bottom ends of the material pressing cylinder supporting columns are installed at one side of the top end of the first layer of supporting bottom plate, and a plurality of first layer of supporting columns in a rectangular manner are installed at the bottom end of the first layer of the supporting bottom plate, the top end of the first layer of supporting bottom plate is clamped with rectangular hexagonal flat nuts, the hexagonal flat nuts are connected with the first layer of supporting bottom plate and the first layer of supporting columns of the bottom plate, a round hole is formed in the other side of the top end of the first layer of supporting bottom plate, and a ring in the bearing is arranged in the round hole.
Preferably, the bottom end of the first layer of support base plate is provided with a symmetrical second ultra-thin cylinder, the bottom end of the second ultra-thin cylinder is provided with an edge pressing rod, the bottom end of the symmetrical edge pressing rod is provided with an edge pressing plate, and the pressing head is arranged at the center of the edge pressing plate.
Preferably, a second small round nut is clamped at the lower end of the tool rest assembly and is connected with the tool rest assembly and the spline shaft.
Preferably, a hexagonal nut is clamped inside the pressing head and connected with the pressing head and the material pressing rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the second ultra-thin cylinder drives the edge pressing rod to descend, and the edge pressing rod descends to drive the edge pressing plate to descend, so that the film is pressed and limited;
2. the miniature air cylinder is contracted to drive the connecting seat to descend, the connecting seat descends to drive the spline shaft clamped at the other end of the connecting seat to descend, and the spline shaft descends to drive the tool rest assembly to descend, so that the tool rest assembly can cut a film;
3. the first ultrathin cylinder drives the material pressing rod to descend, the material pressing rod descends to drive the pressing head to descend, and the pressing head presses the film to enable the film to be tightly attached to the lens;
4. according to the utility model, an alternating current servo motor is used for driving a motor end synchronous belt wheel to rotate, the motor end synchronous belt wheel drives a driven end synchronous belt wheel to rotate by using a synchronous triangular belt, the driven end synchronous belt wheel rotates to drive a spline sleeve to rotate inside an angular contact ball bearing and a bearing seat, the spline sleeve rotates to drive a spline shaft to rotate, the spline shaft rotates to drive a tool rest assembly arranged at the bottom end of the spline shaft to rotate, and a film is cut by rotating the tool rest assembly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
FIG. 3 is a schematic cross-sectional front view of the present invention;
FIG. 4 is a schematic top view of the present invention;
in the figure: 1. a pressure regulating valve; 2. a mini cylinder; 3. a connecting seat; 4. a material pressing cylinder supporting plate; 5. a quick-change connector; 6. a first ultra-thin cylinder; 7. a material pressing cylinder supporting column; 8. a first socket head cap screw; 9. connecting a plate end cover; 10. a deep groove ball bearing; 11. a first small round nut; 12. a driven end synchronous pulley; 13. a bearing compression ring; 14. angular contact ball bearings; 15. a bearing inner spacer ring; 16. a bearing seat; 17. a bearing lower end cover; 18. a quick air pipe joint; 19. an AC servo motor; 20. a conical end fastening screw; 21. a motor-end synchronous pulley; 22. a second socket head cap screw; 23. a motor distance adjusting bottom plate; 24. a motor base plate support column; 25. a first layer of support floor; 26. a first floor support column; 27. a spline housing; 28. a spline shaft; 29. a second ultra-thin cylinder; 30. a side pressing rod; 31. pressing an edge plate; 32. a tool holder assembly; 33. a second small round nut; 34. a material pressing rod; 35. a hexagonal nut; 36. a compression head; 37. fixing a cylinder support plate; 38. a cylinder support plate support post; 39. a hexagonal flat nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): as shown in fig. 1-4, the present invention provides an automatic lens film sticking machine, which comprises a fixed cylinder support plate 37, wherein a mini cylinder 2 is installed at the center of the top end of the fixed cylinder support plate 37, a connecting seat 3 is installed at the telescopic end of the mini cylinder 2, a pressing cylinder support plate 4 is installed above the connecting seat 3, a first ultra-thin cylinder 6 is installed at the center of the top end of the pressing cylinder support plate 4, a plurality of pressing cylinder support columns 7 are distributed at the bottom end of the first ultra-thin cylinder 6 in a rectangular manner, a pressing rod 34 is installed at the top end of the telescopic end of the first ultra-thin cylinder 6, a spline shaft 28 is installed outside the pressing rod 34, a spline housing 27 is installed outside the spline shaft 28, a driven end synchronous pulley 12 is installed outside the upper end of the spline housing 27, a motor end synchronous pulley 21 is installed on one side of the driven end synchronous pulley 12, an alternating current servo motor 19 is installed in the center of the motor end synchronous pulley 21, a tool rest assembly 32 is installed on the outer side of the bottom end of the spline shaft 28, and a pressing head 36 is installed at the bottom end of the material pressing rod 34.
Further, a plurality of cylinder supporting plate supporting columns 38 are installed at the bottom end of the fixed cylinder supporting plate 37, the pressure regulating valve 1 is installed at one side of the mini cylinder 2, and the quick-change connector 5 is installed at one side of the top end of the material pressing cylinder supporting plate 4 to support the mini cylinder 2.
Further, connecting plate end cover 9 is installed to 3 top one sides of connecting seat, 9 top annular clamps of connecting plate end cover are equipped with the first socket head cap screw 8 of a plurality of, connecting plate end cover 9 and 3 tops of connecting seat are located to first socket head cap screw 8 card, the card is equipped with deep groove ball bearing 10 between connecting plate end cover 9 and the connecting seat 3, deep groove ball bearing 10 card is located the integral key shaft 28 top, is connected connecting seat 3 and integral key shaft 28.
Furthermore, a synchronous V belt is sleeved outside the motor end synchronous pulley 21 and the driven end synchronous pulley 12, a plurality of first small round nuts 11 are annularly arranged at the top end of the driven end synchronous pulley 12, the first small round nut 11 is connected with a driven end synchronous pulley 12 and a spline housing 27, a bearing pressing ring 13 is installed at the bottom end of the driven end synchronous pulley 12, symmetrical angular contact ball bearings 14 are installed at the bottom end of the bearing pressing ring 13, inner bearing ring spacers 15 are arranged on the outer sides of the symmetrical angular contact ball bearings 14, bearing seats 16 are arranged between the symmetrical angular contact ball bearings 14, a lower bearing end cover 17 is arranged at the bottom end of the angular contact ball bearing 14, the angular contact ball bearing 14 and the bearing seat 16 are clamped on the outer side of the spline housing 27, and the quick air pipe joint 18 is installed on the outer side of the lower end of the spline shaft 28, so that the spline housing 27 can drive the spline shaft 28 to rotate.
Further, a cone-end set screw 20 is clamped on the motor-end synchronous pulley 21, the cone-end set screw 20 is connected with the output end of the alternating current servo motor 19 and the motor-end synchronous pulley 21, a motor distance adjusting bottom plate 23 is installed at the bottom end of the alternating current servo motor 19, a plurality of motor bottom plate supporting columns 24 are distributed at the bottom end of the motor distance adjusting bottom plate 23 in a rectangular manner, a plurality of second cylindrical-head socket head cap screws 22 are clamped at the top end of the motor distance adjusting bottom plate 23 in a rectangular manner, the second cylindrical-head socket head cap screws 22 are connected with the motor distance adjusting bottom plate 23 and the motor bottom plate supporting columns 24, a first layer supporting bottom plate 25 is installed at the bottom end of the motor bottom plate supporting columns 24 in a rectangular manner, the bottom end of the material pressing cylinder supporting column 7 is installed at one side of the top end of the first layer supporting bottom plate 25, a plurality of first layer supporting columns 26 in a rectangular manner are installed at the bottom end of the first layer supporting bottom plate 25, the top end of the first layer supporting bottom plate 25 is clamped with rectangular hexagonal flat nuts 39, the hexagonal flat nuts 39 are connected with the first layer supporting bottom plate 25 and the first layer bottom plate supporting columns 26, a round hole is formed in the other side of the top end of the first layer supporting bottom plate 25, the bearing inner spacer 15 is installed in the round hole, and the alternating current servo motor 19 is used for driving the spline shaft 28 to rotate.
Furthermore, a second symmetrical ultra-thin cylinder 29 is installed at the bottom end of the first layer supporting base plate 25, an edge pressing rod 30 is installed at the bottom end of the second ultra-thin cylinder 29, an edge pressing plate 31 is installed at the bottom end of the symmetrical edge pressing rod 30, the pressing head 36 is installed at the center of the edge pressing plate 31, and the edge pressing plate 31 is driven to lift by the second ultra-thin cylinder 29.
Further, a second small round nut 33 is clamped at the lower end of the tool rest assembly 32, and the second small round nut 33 is connected with the tool rest assembly 32 and the spline shaft 28, so that the spline shaft 28 rotates to drive the tool rest assembly 32 to rotate.
Furthermore, a hexagonal nut 35 is clamped inside the pressing head 36, and the hexagonal nut 35 is connected with the pressing head 36 and the pressing rod 34, so that the pressing rod 34 can drive the pressing head 36 to lift.
The working principle is as follows: when the utility model is used, a film passes through the bottom ends of symmetrical edge pressing plates 31, lenses are placed on bases provided with lifting cylinders, the bases with the lenses are moved to the positions below pressing heads 36, the lifting cylinders drive the lenses to ascend, so that the top ends of the lenses are attached to the films, a second ultra-thin cylinder 29 drives an edge pressing rod 30 to descend, the edge pressing rod 30 descends to drive the edge pressing plates 31 to descend, the films are pressed and limited, at the moment, a mini cylinder 2 contracts to drive a connecting seat 3 to descend, the connecting seat 3 descends to drive a spline shaft 28 clamped at the other end of the connecting seat to descend, the spline shaft 28 descends to drive a knife rest assembly 32 to descend, so that the knife rest assembly 32 can cut the films, at the moment, the first ultra-thin cylinder 6 drives a pressing rod 34 to descend, the pressing rod 34 descends to drive the pressing heads 36 to descend, so that the pressing heads 36 press the films tightly onto the lenses, and an alternating current servo motor 19 is used for driving a motor-end synchronous belt pulley 21 to rotate, the synchronous belt wheel 21 at the motor end drives the synchronous belt wheel 12 at the driven end to rotate by utilizing a synchronous triangular belt, the synchronous belt wheel 12 at the driven end drives the spline housing 27 to rotate inside the angular contact ball bearing 14 and the bearing seat 16, the spline housing 27 rotates to drive the spline shaft 28 to rotate, the spline shaft 28 rotates to drive the cutter holder assembly 32 installed at the bottom end of the spline shaft to rotate, and the cutter holder assembly 32 rotates to cut a film, so that the cut film can be attached to a lens and keep the same size.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. An automatic lens laminator, includes fixed cylinder bearing plate (37), its characterized in that: the device is characterized in that a mini cylinder (2) is installed at the center of the top end of a fixed cylinder supporting plate (37), a connecting seat (3) is installed at the telescopic end of the mini cylinder (2), a material pressing cylinder supporting plate (4) is installed above the connecting seat (3), a first ultra-thin cylinder (6) is installed at the center of the top end of the material pressing cylinder supporting plate (4), a plurality of material pressing cylinder supporting columns (7) are distributed at the bottom end of the first ultra-thin cylinder (6) in a rectangular mode, a material pressing rod (34) is installed at the top end of the telescopic end of the first ultra-thin cylinder (6), a spline shaft (28) is installed on the outer side of the material pressing rod (34), a spline sleeve (27) is installed on the outer side of the spline sleeve (27), a driven end synchronous belt pulley (12) is installed on the outer side of the driven end synchronous belt pulley (12), and a motor end synchronous belt pulley (21) is installed on one side of the driven end synchronous belt pulley (12), an alternating current servo motor (19) is installed in the center of the motor end synchronous pulley (21), a tool rest assembly (32) is installed on the outer side of the bottom end of the spline shaft (28), and a pressing head (36) is installed at the bottom end of the material pressing rod (34).
2. The automatic lens film sticking machine according to claim 1, wherein a plurality of cylinder supporting plate supporting columns (38) are installed at the bottom end of the fixed cylinder supporting plate (37), a pressure regulating valve (1) is installed at one side of the mini cylinder (2), and a quick-change connector (5) is installed at one side of the top end of the material pressing cylinder supporting plate (4).
3. The automatic lens film sticking machine according to claim 1, wherein a connecting plate end cover (9) is installed on one side of the top end of the connecting seat (3), a plurality of first socket head cap screws (8) are annularly clamped on the top end of the connecting plate end cover (9), the first socket head cap screws (8) are clamped on the top ends of the connecting plate end cover (9) and the connecting seat (3), a deep groove ball bearing (10) is clamped between the connecting plate end cover (9) and the connecting seat (3), and the deep groove ball bearing (10) is clamped on the top end of the spline shaft (28).
4. The automatic lens laminator according to claim 1, wherein a plurality of first small round nuts (11) are annularly installed at the top end of the driven end synchronous pulley (12), the first small round nuts (11) are connected with the driven end synchronous pulley (12) and the spline housing (27), a bearing pressing ring (13) is installed at the bottom end of the driven end synchronous pulley (12), symmetrical angular contact ball bearings (14) are installed at the bottom end of the bearing pressing ring (13), a bearing inner spacer ring (15) is installed at the outer side of the symmetrical angular contact ball bearings (14), bearing seats (16) are installed between the symmetrical angular contact ball bearings (14), a bearing lower end cover (17) is installed at the bottom end of the angular contact ball bearing (14) at the bottom layer, and the angular contact ball bearings (14) and the bearing seats (16) are clamped at the outer side of the spline housing (27), and a quick air pipe joint (18) is arranged on the outer side of the lower end of the spline shaft (28).
5. The automatic lens laminator according to claim 4, wherein a synchronous V-belt is sleeved outside the motor end synchronous pulley (21) and the driven end synchronous pulley (12), a cone end set screw (20) is clamped on the motor end synchronous pulley (21), the cone end set screw (20) is connected with the output end of the AC servo motor (19) and the motor end synchronous pulley (21), a motor distance adjusting bottom plate (23) is installed at the bottom end of the AC servo motor (19), a plurality of motor bottom plate supporting columns (24) are rectangularly distributed at the bottom end of the motor distance adjusting bottom plate (23), a plurality of second cylinder head inner hexagon screws (22) are clamped at the top end of the motor distance adjusting bottom plate (23), the second cylinder head inner hexagon screws (22) are connected with the motor distance adjusting bottom plate (23) and the motor bottom plate supporting columns (24), the motor bottom plate support column structure is characterized in that a first layer of support bottom plate (25) is installed at the bottom end of a motor bottom plate support column (24) in rectangular distribution, a material pressing cylinder support column (7) is installed at one side of the top end of the first layer of support bottom plate (25), a plurality of first layer of bottom plate support columns (26) in rectangular distribution are installed at the bottom end of the first layer of support bottom plate (25), hexagonal flat nuts (39) in rectangular distribution are clamped at the top end of the first layer of support bottom plate (25), the hexagonal flat nuts (39) are connected with the first layer of support bottom plate (25) and the first layer of bottom plate support columns (26), a round hole is formed in the other side of the top end of the first layer of support bottom plate (25), and a bearing inner spacer (15) is installed in the round hole.
6. The automatic lens laminator according to claim 5, wherein a second symmetrical ultra-thin cylinder (29) is installed at the bottom end of the first layer of support base plate (25), an edge pressing rod (30) is installed at the bottom end of the second ultra-thin cylinder (29), an edge pressing plate (31) is installed at the bottom end of the symmetrical edge pressing rod (30), and the pressing head (36) is installed at the center of the edge pressing plate (31).
7. The automatic lens film sticking machine according to claim 1, wherein a second small round nut (33) is clamped at the lower end of the tool holder assembly (32), and the second small round nut (33) is connected with the tool holder assembly (32) and the spline shaft (28).
8. The automatic lens film sticking machine according to claim 1, wherein a hexagonal nut (35) is clamped inside the pressing head (36), and the hexagonal nut (35) is connected with the pressing head (36) and the pressing rod (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121734207.3U CN215921274U (en) | 2021-07-28 | 2021-07-28 | Automatic lens film sticking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121734207.3U CN215921274U (en) | 2021-07-28 | 2021-07-28 | Automatic lens film sticking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215921274U true CN215921274U (en) | 2022-03-01 |
Family
ID=80398613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121734207.3U Active CN215921274U (en) | 2021-07-28 | 2021-07-28 | Automatic lens film sticking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215921274U (en) |
-
2021
- 2021-07-28 CN CN202121734207.3U patent/CN215921274U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206273688U (en) | A kind of glass lens diaphragm automatic attaching tool | |
| US20100059183A1 (en) | Wafer taping and detaping machine | |
| CN215921274U (en) | Automatic lens film sticking machine | |
| CN208913011U (en) | A kind of pop can cover production flanging bending fixture | |
| CN102103987B (en) | Film adhering method and device of wafer | |
| CN208033495U (en) | A kind of feed device for puncher | |
| CN111224518B (en) | Motor rotor punching press-fitting equipment | |
| CN105041805A (en) | Assembling and pressure maintaining jig | |
| CN210391680U (en) | Semi-automatic pad pasting device | |
| CN219873467U (en) | Film expansion structure of wafer and wafer film stripping device | |
| CN213010724U (en) | Unloader is used in magnet steel equipment | |
| CN207876087U (en) | Automatic coating equipment | |
| CN114147640B (en) | Production and manufacturing process for high-precision ultrathin mechanical structural part | |
| CN205818536U (en) | A kind of processing equipment of ripple core combination board | |
| CN213380620U (en) | Tapered roller bearing outer ring end face machining device | |
| CN214392051U (en) | Hardware processing is with entering mould tool fast | |
| CN212265096U (en) | Pneumatic press | |
| CN212268966U (en) | Film rolling device for plastic product processing | |
| CN210349792U (en) | Device applied to LED wafer expansion | |
| CN218504422U (en) | LED flexible module plastic drain pan pressfitting tool | |
| CN206999810U (en) | Backlight film sticking machine | |
| CN112338229B (en) | Automatic pressing mechanism capable of automatically rotating cylindrical valve body | |
| CN101487498A (en) | Bearing rotating ball-separating apparatus | |
| CN215748881U (en) | Motor end cover rapid Assembly device | |
| CN213355105U (en) | Industrial film packaging operation jig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |