LGP material double-layer film tearing mechanism

By designing a double-layer film removal mechanism for LGP material, using a robotic arm and negative pressure cylinder for gripping, combined with a pressure table for fixing, the problem of incomplete film removal on the upper and lower sides of the light guide plate was solved, achieving efficient synchronous removal of the double-layer film and improving production efficiency.

CN116588458BActive Publication Date: 2025-11-04ANHUI ZHONGXIAN INTELLIGENT ROBOT CO LTD
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Patent Information

Application Number
CN202310625226.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-30
Publication Date
2025-11-04
Estimated Expiration
2043-05-30

AI Technical Summary

Technical Problem

In existing technologies, during the removal process of the upper and lower side films of the light guide plate, the lower side film is prone to sticking or detaching, resulting in incomplete film removal and affecting production efficiency.

Method used

A double-layer film removal mechanism for LGP material was designed, including a film removal component, a material handling component, a feeding platform, and a collection box. The upper and lower films are removed synchronously by a robotic arm and a negative pressure cylinder gripping and a pressing platform fixing them.

Benefits of technology

It improves the tearing effect of the film on the upper and lower sides of the light guide plate, ensuring that the film is completely removed, thereby improving production efficiency and the degree of automation of the equipment.

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Abstract

The application discloses a kind of LGP material double-layer film tearing mechanism, including frame, the frame is respectively connected with tear film subassembly, material taking subassembly, loading table and collection box, the tear film subassembly includes the slide rail one of setting frame side and the mechanical hand connected with slide rail one, the mobile platform of including circular running track in the material taking subassembly, the mobile platform is connected with the grabbing component of grabbing light guide plate, loading table is connected with multiple pressing tables of annular arrangement, multiple pressing tables are fixed multiple overlapping light guide plates, the collection box is located in the extension part of slide rail one, advantage is: the stacked light guide plate can be double-layer film tearing, and both can fix the light guide plate connected with upper layer film when upper layer film is torn, and can fix the lower layer film connected with light guide plate when material taking subassembly moves light guide plate.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of computer display screen processing, in particular to a double-layer film tearing mechanism for LGP material. BACKGROUND

[0002] The light guide plate is made of optical-grade acrylic / PC plate material, and high-tech material with extremely high refractive index and no light absorption, and is often used in the display screen of a notebook computer.

[0003] During the assembly and processing of the notebook computer, the processed light guide plate of the LGP material needs to be assembled, and in order to protect the surface quality, the upper and lower surfaces of the light guide plate need to be covered with film after the batch light guide plates are processed in the factory and then stacked for storage and transportation. Therefore, the film needs to be torn when the light guide plate is taken out from the stacked state for use, which is troublesome. In particular, the upper and lower films of the light guide plate are attached to the light guide plate with different adhesion, that is, the upper film has greater adhesion and the lower film has smaller adhesion. During the film taking process of the existing robot, the lower film may be adhered or detached with a certain probability, so that the production cannot be normally carried out. Based on the above reasons, the application designs a double-layer film tearing mechanism for LGP material and equipment. SUMMARY

[0004] The application aims at solving the problems in the prior art and provides a double-layer film tearing mechanism for LGP material.

[0005] The double-layer film tearing mechanism for LGP material comprises a base, which is arranged in a 'Fang' shape and is connected with the following components respectively:

[0006] A film tearing assembly, which comprises a sliding rail one arranged on the side of the base and a mechanical hand connected with the sliding rail one;

[0007] A material taking assembly, which comprises a moving table with a circular running track, and the moving table is connected with a grabbing component for grabbing the light guide plate;

[0008] A feeding table with a lifting function, which comprises a plurality of pressing tables arranged in a ring shape, and the plurality of pressing tables jointly fix a plurality of overlapped light guide plates, so that the light guide plate connected with the upper film can be fixed when the film on the upper layer is torn, and the lower film connected with the light guide plate can be fixed when the material taking assembly moves the light guide plate;

[0009] A collecting box for collecting the film, which is located at the extension of the sliding rail one.

[0010] In the double-layer film tearing mechanism for LGP material, the mechanical hand is connected with the sliding rail one through a sliding block one, the sliding block one is connected with an adjusting component for adjusting the position and angle of the mechanical hand, and the mechanical hand is located above the feeding table and acts on the upper film of the uppermost light guide plate.

[0011] In the above-mentioned LGP material double-layer film tearing mechanism, the material taking assembly is further provided with a rotating plate, one end of the rotating plate is connected with the moving table, the other end of the rotating plate is connected with a servo motor, the fixed end of the servo motor is connected with a hydraulic cylinder I, and the moving table is connected with a hydraulic cylinder II.

[0012] In the above-mentioned LGP material double-layer film tearing mechanism, the grabbing component comprises a plurality of negative pressure cylinders, the plurality of negative pressure cylinders are commonly connected with a support plate, the support plate is fixed at the movable end of the hydraulic cylinder II, the size of the support plate is matched with the light guide plate, the moving table is connected with a negative pressure pipe, one end of the negative pressure pipe is connected with a negative pressure pump, and the other end of the negative pressure pipe is connected with the plurality of negative pressure cylinders.

[0013] In the above-mentioned LGP material double-layer film tearing mechanism, each pressing table is connected with a support plate, a plurality of support plates are commonly connected with a support frame, the pressing table is horizontally and slidingly connected on the support frame, and the pressing table is connected with a hydraulic cylinder III for vertically adjusting the position.

[0014] In the above-mentioned LGP material double-layer film tearing mechanism, the collecting box is connected with a sliding rail II, a sliding block II is slidingly connected on the sliding rail, the sliding block II is fixedly connected with a push plate, the push plate is located at one side of the collecting box and is provided with an opening at the symmetrical side, and the bottom of the collecting box is connected with a roller.

[0015] In the above-mentioned LGP material double-layer film tearing mechanism, the feeding table is obliquely arranged.

[0016] The application further provides a LGP material double-layer film tearing device, which comprises two LGP material double-layer film tearing mechanisms arranged at two sides, a waste bin is arranged between the two LGP material double-layer film tearing mechanisms, the waste bin is located at the lower side of the overlapping part of the moving tracks of the two moving tables

[0017] Compared with the prior art, the application has the following advantages:

[0018] 1: In use, the film tearing assembly and the material taking assembly can tear the upper and lower films of the light guide plate and transfer the light guide plate for collection.

[0019] 2: In the film tearing process, the upper film of the light guide plate is fixed by the pressing table according to the different adhesion between the upper film and the light guide plate, the lower film is directly fixed by the pressing table and grabbed by the grabbing component according to the small adhesion between the lower film and the light guide plate, so that the upper and lower films are separated from the light guide plate, and the film tearing effect is improved.

[0020] 3: The grabbing assembly in the application is realized by setting multiple negative pressure cylinders and support plates. The advantage is that the light guide plate can be grabbed by negative pressure, and the lower film and the light guide plate are separated from each other in the above process. Therefore, when the lower light guide plate is removed, the double-layer film can be removed at the same time, improving the efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A structural schematic diagram of an LGP material double-layer film removing mechanism is provided.

[0022] Figure 2 A structural schematic diagram of a machine base in an LGP material double-layer film removing mechanism is provided.

[0023] Figure 3 A structural schematic diagram of a film removing assembly in an LGP material double-layer film removing mechanism is provided.

[0024] Figure 4 A structural schematic diagram of a material taking assembly in an LGP material double-layer film removing mechanism is provided.

[0025] Figure 5 A structural schematic diagram of a collection box in an LGP material double-layer film removing mechanism is provided.

[0026] Figure 6 A structural schematic diagram of a material loading table in an LGP material double-layer film removing mechanism is provided.

[0027] In the figure: 1 machine base, 2 film removing assembly, 21 sliding rail one, 22 mechanical hand, 23 sliding block one, 24 adjustment part, 3 material taking assembly, 31 moving table, 32 grabbing part, 321 negative pressure cylinder, 322 support plate two, 33 rotating plate, 34 servo motor, 35 hydraulic cylinder one, 36 hydraulic cylinder two, 37 negative pressure pipe, 4 material loading table, 41 material pressing table, 42 support plate one, 43 support frame, 44 hydraulic cylinder three, 5 collection box, 51 sliding rail two, 52 sliding block two, 53 pushing plate, 54 roller, 6 waste bin. DETAILED DESCRIPTION

[0028] REFERENCE Figures 1-6 An LGP material double-layer film removing mechanism, including a machine base 1 and a cleaning assembly, wherein the machine base 1 is arranged in a “” character shape structure, and the machine base 1 is respectively connected with:

[0029] A film removing assembly 2, the film removing assembly 2 includes a sliding rail one 21 arranged on the side of the machine base 1 and a mechanical hand 22 connected with the sliding rail one 21,

[0030] A material taking assembly 3, the material taking assembly 3 includes a moving table 31 with a circular running track, and the moving table 31 is connected with a grabbing part 32 for grabbing the light guide plate.

[0031] The feeding table 4 with lifting function includes a plurality of pressing tables 41 arranged in a ring shape, and the plurality of pressing tables 41 collectively fix a plurality of stacked light guide plates. When the light guide plates are stacked, the upper and lower sides of the light guide plates are attached with films, and the upper film has a stronger adhesion force and the lower film has a lower adhesion force. The upper film and the lower film can be fixed to the light guide plates when the upper film is torn off, and the lower film can be fixed to the light guide plates when the material taking assembly 3 moves the light guide plates.

[0032] The collection box 5 for film collection is located at the extension of the sliding rail one 21.

[0033] The manipulator 22 is connected to the sliding rail one 21 through the sliding block one 23, and the sliding block one 23 is connected with an adjusting component 24 for adjusting the position and angle of the manipulator 22. In the initial state, the manipulator 22 is located above the feeding table 4 and acts on the upper film of the uppermost light guide plate. In this way, the plurality of pressing tables 41 arranged in a ring shape on the feeding table 4 press the side surface of the light guide plate, so that the light guide plate can be fixed. Then, the manipulator 22 can tear off the upper film from the upper end surface of the light guide plate. After that, the manipulator 22 releases the fixation of the light guide plate, and the light guide plate can be taken out through the material taking assembly 3. After the light guide plate is taken out, the manipulator 22 transports the light guide plate to the cleaning assembly on the rear side for cleaning, and then moves to the subsequent processing equipment.

[0034] The material taking assembly 3 is further provided with a rotating plate 33, one end of the rotating plate 33 is connected with the moving table 31, and the other end of the rotating plate 33 is connected with a servo motor 34. The fixed end of the servo motor 34 is connected with a hydraulic cylinder one 35, and the specific position of the moving table 31 is controlled through the hydraulic cylinder one 35 and the servo motor 34. Then, the moving table 31 is connected with a hydraulic cylinder two 36 for controlling the position of a plurality of negative pressure cylinders 321 connected with the grabbing component 32 at the other end thereof. The plurality of negative pressure cylinders 321 are collectively connected with a support plate two 322, and the support plate two 322 is fixed to the movable end of the hydraulic cylinder two 36. The support plate two 322 is matched with the size of the light guide plate. The moving table 31 is connected with a negative pressure pipe 37, one end of the negative pressure pipe 37 is connected with a negative pressure pump, and the other end of the negative pressure pipe 37 is connected with the plurality of negative pressure cylinders 321. The negative pressure pump is arranged on the machine base 1. The plurality of negative pressure cylinders 321 can be fixed to the upper end surface of the light guide plate through the output negative pressure. In this way, the light guide plate can be lifted up and transferred to the waste bin 6 through the hydraulic cylinder two 36. The rotating plate 33 is arranged in a “V” shape structure, and one moving table 31 and one grabbing component 32 are connected to each end of the rotating plate 33. The moving table 31 and the grabbing component 32 on both sides of the rotating plate 33 can be used to separately grab the light guide plate, thereby improving the efficiency.

[0035] Each pressing table 41 is connected with a support plate one 42, a plurality of support plate ones 42 are jointly connected with a support frame 43, the pressing table 41 is horizontally slidingly connected on the support frame 43, the pressing table 41 is connected with a hydraulic cylinder three 44 vertically adjusting the position thereof, the pressing table 41 functions to fix the outer side wall of the light guide plate when the upper layer film is torn, and directly fix the lower layer film to make the lower layer film and the light guide plate mutually separate when the lower layer film is torn, the collecting box 5 is connected with a sliding rail two 51, the sliding rail two 51 is slidingly connected with a sliding block two 52, the sliding block two 52 is fixedly connected with a push plate 53, the push plate 53 is located at one side of the collecting box 5 and the symmetric side thereof is provided with an opening, and the bottom of the collecting box 5 is connected with a roller 54, so that the film entering the collecting box 5 can be quickly moved out as a whole by the push plate 53, so that the tail material can be quickly processed, and the roller 54 facilitates movement.

[0036] In actual use, the film tearing mechanism can be combined to design an LGP material double-layer film tearing device, which comprises two LGP material double-layer film tearing mechanisms located on both sides, and a waste bin 6 is arranged between the two film tearing mechanisms, the waste bin 6 is fixed on the machine base 1, and the waste bin 6 is located below the overlapping part of the moving tracks of the two moving tables 31, so that the waste generated in the two film tearing mechanisms on both sides can be manually operated through the shared waste bin 6, thereby saving the installation space of the device and facilitating the processing operation when the automatic film tearing fails.

[0037] In use, first, the stacked light guide plates are placed on the feeding table 4, and the positions thereof are positioned by the plurality of pressing tables 41, then the film tearing assembly 2 is started, so that the mechanical hand 22 moves through the sliding block one 23 and acts on the upper layer film of the uppermost light guide plate in the feeding table 4, in the above process, the plurality of pressing tables 4 are close to each other, so as to fix the uppermost light guide plate, facilitating the film tearing of the mechanical hand 22, then the light guide plate with the upper film torn is moved out by the material taking assembly 3, wherein Figure 1 The dashed circle represents the running track of the material taking assembly 3, after the material taking assembly 3 transports the light guide plate to the rear cleaning assembly for cleaning, subsequent processing is performed, and when the material taking assembly 3 fixes the light guide plate by negative pressure, the plurality of pressing tables 41 are fixed on the lower part of the current light guide plate, so that when the light guide plate is grabbed by negative pressure, the lower layer film attached to the lower part of the light guide plate is simultaneously separated, so that when the film tearing of the next light guide plate is performed, the lower layer film of the previous light guide plate and the upper layer film of the next light guide plate can be simultaneously torn, facilitating operation.

[0038] From the common general knowledge, the present application can be realized by other embodiments without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore merely exemplary and not only. All changes and modifications that come within the meaning and range of equivalents of the present application are to be embraced within the scope of the application.

Claims

1. A LGP material double layer film tearing-off mechanism comprising a base (1) and a cleaning assembly, characterized in that: The base (1) is arranged as a "Fang" character structure and is respectively connected with: A film tearing assembly (2) which comprises a slide rail one (21) arranged on the side of the base (1) and a mechanical hand (22) connected with the slide rail one (21); A material taking assembly (3) which comprises a moving table (31) with a circular running track, the moving table (31) being connected with a grabbing component (32) for grabbing light guide plates, the film tearing and taking of the upper and lower films of the light guide plates being realized through the film tearing assembly (2) and the material taking assembly (3), and the light guide plates being transferred and collected after the film tearing; A feeding table (4) with a lifting function, the feeding table (4) being circularly connected with a plurality of pressing tables (41), the plurality of pressing tables (41) collectively fixing a plurality of overlapped light guide plates, which can fix the light guide plates connected with the upper film when the upper film is torn off and can fix the lower film connected with the light guide plates when the light guide plates are moved by the material taking assembly (3); A collecting box (5) for collecting the films, the collecting box (5) being located at the extension of the slide rail one (21); The mechanical hand (22) is connected with the slide rail one (21) through a slide block one (23), the slide block one (23) is connected with an adjusting component (24) for adjusting the position and angle of the mechanical hand (22), the mechanical hand (22) is located above the feeding table (4) and acts on the upper film of the uppermost light guide plate; The material taking assembly (3) is further provided with a rotating plate (33), one end of the rotating plate (33) being connected with the moving table (31), the other end of the rotating plate (33) being connected with a servo motor (34), the fixed end of the servo motor (34) being connected with a hydraulic cylinder one (35), the moving table (31) being connected with a hydraulic cylinder two (36); Each of the pressing tables (41) is connected with a support plate one (42), the plurality of support plate ones (42) are collectively connected with a support frame (43), the pressing tables (41) being horizontally and slidingly connected with the support frame (43), the pressing tables (41) being connected with hydraulic cylinders three for vertically adjusting the positions of the pressing tables (41), the plurality of pressing tables (41) being fixed at the lower side of the current light guide plate, so that the lower film attached to the lower side of the light guide plate is simultaneously separated after the light guide plate is grabbed by negative pressure, and thus the lower film of the previous light guide plate and the upper film of the next light guide plate can be simultaneously torn off when the film tearing of the next light guide plate is performed.

2. The LGP material double layer film tearing mechanism according to claim 1, wherein: The grabbing component (32) comprises a plurality of negative pressure cylinders (321), the plurality of negative pressure cylinders (321) being collectively connected with a support plate two (322), the support plate two (322) being fixed at the movable end of the hydraulic cylinder two (36), the support plate two (322) being matched with the size of the light guide plate, the moving table (31) being connected with a negative pressure pipe (37), one end of the negative pressure pipe (37) being connected with a negative pressure pump, the other end of the negative pressure pipe (37) being connected with the plurality of negative pressure cylinders (321).

3. The LGP material double layer film tearing mechanism according to claim 1, wherein: A sliding rail two (51) is connected in the collecting box (5), a sliding block two (52) is slidably connected on the sliding rail two (51), the sliding block two (52) is fixedly connected with a push plate (53), the push plate (53) is located on one side of the collecting box (5) and the symmetric side of the push plate (53) is provided with an opening, and the bottom of the collecting box (5) is connected with a roller (54).

4. The LGP material double layer film tearing mechanism according to claim 1, wherein: The feeding table (4) is arranged in an inclined mode.

5. An LGP material double layer film tearing-off apparatus, characterized by: The device comprises two LGP material double-layer film tearing-off mechanisms as claimed in any one of claims 1-4, and a waste bin (6) is arranged between the two LGP material double-layer film tearing-off mechanisms, and the waste bin (6) is located below the overlapping part of the circular moving tracks of the two moving tables (31).

Citation Information

Patent Citations

  • Light guide plate automatic assembly equipment

    CN207242233U