Double-sided film tearing equipment for liquid crystal film material

By designing a double-sided tearing device for liquid crystal film materials, the upper and lower films of the liquid crystal film materials are automatically tear off by using the adhesive force of the tape, the problem of low film tearing efficiency in the prior art is solved, and efficient automatic tearing of the film is achieved.

CN223238220UActive Publication Date: 2025-08-19WUXI NOVO AUTOMATION TECH CORP LTD
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Patent Information

Application Number
CN202422638076.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-08-19
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

In the prior art, the tearing efficiency of liquid crystal film materials is low and the tearing effect is poor, which mainly depends on manual operation.

Method used

A double-sided film tearing equipment for liquid crystal film materials is designed, including a frame, a conveying mechanism, an upper film tearing mechanism and a lower film tearing mechanism. The upper film and lower film of the liquid crystal film material are automatically tear off through the adhesive force of the tape, and the coordinated work of the glue feeding assembly and the tearing assembly is used to achieve automatic film tearing.

Benefits of technology

The film tearing efficiency is greatly improved, and the upper and lower films of the liquid crystal film are automatically tear off at the same time. The film tearing effect is good and manual intervention is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses double-sided film tearing equipment for liquid crystal film materials, which comprises a rack, a conveying mechanism, an upper film tearing mechanism and a lower film tearing mechanism, a feeding station and a film tearing station are arranged on the rack along the horizontal direction, the conveying mechanism comprises a conveying component and a bearing frame, the bearing frame is used for bearing the liquid crystal film materials to be torn, and the upper film tearing mechanism and the lower film tearing mechanism are arranged on the rack. According to the double-sided film tearing equipment for the liquid crystal film material, through cooperation of the conveying mechanism, the upper film tearing mechanism and the lower film tearing mechanism, the conveying assembly drives the bearing frame to move to the film tearing station from the feeding station, the first adhesive feeding assembly attaches an adhesive tape to an upper film, and the first adhesive feeding assembly clamps the adhesive tape attached to the upper film and then moves; the upper film of the liquid crystal film material is torn off through the viscous force of the adhesive tape, the adhesive tape is attached to the lower film through the second adhesive feeding assembly, the second adhesive feeding assembly clamps the adhesive tape and then moves, the lower film of the liquid crystal film material is torn off through the viscous force of the adhesive tape, the upper film and the lower film of the liquid crystal film material are torn off at the same time, the film tearing efficiency is greatly improved, and the film tearing effect is good.
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Description

Technical Field

[0001] The utility model belongs to the technical field of automation equipment, in particular to a double-sided film-tearing device for liquid crystal film materials. Background Art

[0002] In recent years, with the increase in the ownership and in-depth use of LCD products, people have also put forward higher requirements for the display quality of LCD products. Some previously little-known adverse phenomena have also been recognized and attracted attention. Among them, poor liquid crystal orientation, low contrast, serious afterimages and reduced voltage retention of display components are the main problems. Therefore, the production of liquid crystal film materials and the control of film quality need to be extremely strict.

[0003] As we all know, liquid crystal film is soft and thin. Protective films are attached to the upper and lower layers of the liquid crystal film. The size of the protective films completely fits the size of the liquid crystal film. Before processing the liquid crystal film, the protective films on the upper and lower layers of the film need to be torn off. Most of the existing film tearing methods use manual tearing. Obviously, manual tearing has the problems of low tearing efficiency and poor tearing effect. Utility Model Content

[0004] The purpose of the utility model is to provide a double-sided film tearing device for liquid crystal film materials, so as to solve the problem of low film tearing efficiency in the conventional manual film tearing method in the prior art.

[0005] To achieve this purpose, the present invention adopts the following technical solutions:

[0006] A double-sided film-tearing device for liquid crystal film materials comprises a frame, a conveying mechanism, an upper film-tearing mechanism and a lower film-tearing mechanism arranged on the frame, wherein:

[0007] A loading station and a film tearing station are sequentially arranged on the first end of the frame in the horizontal direction;

[0008] The conveying mechanism includes a conveying assembly and a carrier, the carrier is configured to carry the liquid crystal film material to be torn off, the driving end of the conveying assembly is connected to the carrier, and the conveying assembly is at least configured to drive the carrier to move alternately between the loading station and the film tearing station;

[0009] The upper film tearing mechanism includes a first glue feeding assembly and a first film tearing assembly, wherein the first glue feeding assembly is configured to attach the adhesive tape for tearing off the upper film of the liquid crystal film material to the upper film at the film tearing station, and the first glue feeding assembly is configured to clamp the adhesive tape attached to the upper film and then move along a first direction to tear off the upper film of the liquid crystal film material by relying on the adhesive force of the adhesive tape;

[0010] The lower film tearing mechanism includes a second glue feeding component and a second film tearing component, the second glue feeding component is configured to attach the tape for tearing off the lower film of the liquid crystal film material to the lower film at the film tearing station, and the second glue feeding component is configured to clamp the tape attached to the lower film and move it along the first direction to tear off the lower film of the liquid crystal film material by relying on the adhesive force of the tape.

[0011] Furthermore, the first glue feeding assembly includes a first material coiling portion, a first glue pulling assembly, a first adsorption component and a first shearing assembly, wherein:

[0012] The first roll portion is provided with a tape for attaching to the upper film of the liquid crystal film material, the first glue pulling component is configured to clamp the tape on the first roll portion and pull it out to a preset length, the first adsorption component is configured to adsorb the tape extending from the first roll portion, and the first shearing component is configured to cut one end of the adsorbed tape.

[0013] Furthermore, the first glue pulling component includes a first mounting frame, a first three-axis driving module and a first glue pulling clamp. The first mounting frame is fixedly mounted on the frame, the fixed end of the first three-axis driving module is mounted on the first mounting frame, the driving end of the first three-axis driving module is connected to the first glue pulling clamp, and the first three-axis driving module is configured to drive the first glue pulling clamp to move horizontally or up and down to cooperate with the first glue pulling clamp to press the adsorbed tape down to a preset position on the upper film of the liquid crystal film material.

[0014] Furthermore, the first shearing assembly includes a first shearing frame, a first air shear, a first glue pressing driver, and a first glue pressing member, wherein the first glue pressing member is arranged on the first shearing frame in a manner that allows it to be raised and lowered, a fixed end of the first glue pressing driver is mounted on the first shearing frame, a driving end of the first glue pressing driver is connected to the first glue pressing member, and the first glue pressing driver is configured to drive the first glue pressing member to a high position or a low position;

[0015] The first adhesive pressing driving member drives the first adhesive pressing member to a low position to press and fix the adhesive tape before cutting;

[0016] The first adhesive pressing driving member drives the first adhesive pressing member to a high position to release the adhesive tape after cutting;

[0017] The first gas shear is configured to shear the protruding end of the adhesive tape after the adhesive tape is fixed.

[0018] Furthermore, the first film tearing assembly includes a first film tearing frame, a first film tearing drive module and a first film tearing clamp, the first film tearing frame is installed on the frame, the fixed end of the first film tearing drive module is installed on the first film tearing frame, the driving end of the first film tearing drive module is connected to the first film tearing clamp, the first film tearing clamp is configured to clamp the tape located at a preset position on the upper film, and the first film tearing drive module is configured to drive the second end of the first film tearing clamp to move in a horizontal direction so as to tear off the upper film of the liquid crystal film material through the adhesive force of the tape located at the preset position on the upper film.

[0019] Furthermore, the second glue feeding assembly includes a second coiling portion, a second glue pulling assembly, a second adsorption member and a second shearing assembly, wherein:

[0020] The second roll portion is provided with a tape for attaching to the lower film of the liquid crystal film material, the second glue pulling component is configured to clamp the tape on the second roll portion and pull it out to a preset length, the second adsorption part is configured to adsorb the tape extending from the second roll portion, and the second shearing component is configured to cut one end of the adsorbed tape.

[0021] Furthermore, the second glue-pulling assembly includes a second mounting frame, a second three-axis driving module and a second glue-pulling clamp. The second mounting frame is fixedly mounted on the frame, the fixed end of the second three-axis driving module is mounted on the second mounting frame, the driving end of the second three-axis driving module is connected to the second glue-pulling clamp, and the second three-axis driving module is configured to drive the second glue-pulling clamp to move horizontally or upward and downward to cooperate with the second glue-pulling clamp to press the adsorbed tape to a preset position on the lower film of the liquid crystal film material.

[0022] Furthermore, the second shearing assembly includes a second shearing frame, a second air shear, a second glue pressing driver, and a second glue pressing member, wherein the second glue pressing member is movably arranged on the second shearing frame, a fixed end of the second glue pressing driver is mounted on the second shearing frame, a driving end of the second glue pressing driver is connected to the second glue pressing member, and the second glue pressing driver is configured to drive the second glue pressing member to a high position or a low position;

[0023] The second glue pressing driving member drives the second glue pressing member to a high position to press and fix the adhesive tape before cutting;

[0024] The second adhesive pressing driving member drives the second adhesive pressing member to a lower position to release the adhesive tape after cutting;

[0025] The second gas shear is configured to shear the protruding end of the adhesive tape after the adhesive tape is fixed.

[0026] Furthermore, the second film tearing assembly includes a second film tearing frame, a second film tearing drive module and a second film tearing clamp, the second film tearing frame is installed on the frame, the fixed end of the second film tearing drive module is installed on the second film tearing frame, the driving end of the second film tearing drive module is connected to the second film tearing clamp, the second film tearing clamp is configured to clamp the tape located at a preset position of the lower film, and the second film tearing drive module is configured to drive the second end of the second film tearing clamp to move in a horizontal direction so as to tear off the lower film of the liquid crystal film material through the adhesive force of the tape located at the preset position of the lower film.

[0027] Furthermore, the frame is provided with a first film throwing mechanism and a second film throwing mechanism, the first film throwing mechanism includes a first film throwing frame, a first rotating unit and a first film throwing clamp, the first film throwing clamp is configured to clamp the torn upper film, the fixed end of the first rotating unit is installed on the first film throwing frame, the driving end of the first rotating unit is connected to the first film throwing clamp, the first rotating unit is configured to drive the first film throwing clamp to rotate a preset angle to cooperate with the first film throwing clamp to place the torn upper film at a preset position, the second film throwing mechanism includes a second film throwing frame, a second rotating unit and a second film throwing clamp, the second film throwing clamp is configured to clamp the torn lower film, the fixed end of the second rotating unit is installed on the second film throwing frame, the driving end of the second rotating unit is connected to the second film throwing clamp, and the second rotating unit is configured to drive the second film throwing clamp to rotate a preset angle to cooperate with the second film throwing clamp to place the torn lower film at a preset position.

[0028] The double-sided film tearing device for liquid crystal film materials has the following beneficial effects compared with the prior art: through the cooperation of the conveying mechanism, the upper film tearing mechanism and the lower film tearing mechanism, the conveying assembly drives the carrier frame from the loading station to the film tearing station, the first glue feeding assembly attaches the adhesive tape to the upper film, the first glue feeding assembly clamps the adhesive tape attached to the upper film and then moves, and relies on the adhesive force of the adhesive tape to tear off the upper film of the liquid crystal film material, and the second glue feeding assembly attaches the adhesive tape to the lower film, the second glue feeding assembly clamps the adhesive tape and then moves, and relies on the adhesive force of the adhesive tape to tear off the lower film of the liquid crystal film material, thereby realizing the simultaneous tearing of the upper and lower films of the liquid crystal film material without manual film tearing, greatly improving the film tearing efficiency and achieving good film tearing effect; through the cooperation of the first air shear, the first glue pressing drive component and the first glue pressing component, the first glue pressing drive component drives the first glue pressing component to a low position, and presses and fixes the tape before shearing, thereby greatly improving the shearing success rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate and understand the technical solutions in the embodiments of the present invention, a brief introduction is given below to the background technology of the present invention and the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0030] Figure 1 This is a schematic diagram of the three-dimensional structure of a double-sided film-tearing device for liquid crystal film materials provided by an embodiment of the present utility model;

[0031] Figure 2 This is a schematic front view of a double-sided film-tearing device for liquid crystal film provided by an embodiment of the present utility model;

[0032] Figure 3 This is a side view schematic diagram of a double-sided film tearing device for liquid crystal film provided by an embodiment of the present utility model;

[0033] Figure 4 This is a schematic diagram of the three-dimensional structure of the first adhesive pulling component provided by an embodiment of the present utility model;

[0034] Figure 5 This is a schematic diagram of the three-dimensional structure of the first film throwing mechanism provided in an embodiment of the present utility model;

[0035] Figure 6 This is a schematic diagram of the three-dimensional structure of the first film tearing assembly provided by an embodiment of the present utility model;

[0036] Figure 7 It is a schematic diagram of the three-dimensional structure of the first shearing assembly provided in an embodiment of the present utility model. DETAILED DESCRIPTION

[0037] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific implementation methods.

[0038] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of the present invention. It should be noted that when a component is referred to as being "fixed to" another component, it can be directly attached to the other component or there can be a central component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there can be a central component. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the present invention belongs. The terms used herein in the specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the relevant listed items.

[0039] See also Figures 1 to 7 As shown, in this embodiment, a double-sided film-tearing device for liquid crystal film materials includes a frame 1 and a conveying mechanism 2, an upper film-tearing mechanism 3 and a lower film-tearing mechanism 4 arranged on the frame 1, wherein: a loading station and a film-tearing station are sequentially arranged at the first end along the horizontal direction on the frame 1; the conveying mechanism 2 includes a conveying component 20 and a carrier 21, the carrier 21 is configured to carry the liquid crystal film material to be torn, the driving end of the conveying component 20 is connected to the carrier 21, and the conveying component 20 is at least configured to drive the carrier 21 to move alternately between the loading station and the film-tearing station; the upper film-tearing mechanism 3 includes a first glue feeding component 30 and a first film-tearing component 31. The first glue feeding component 30 is configured to attach the tape for tearing off the upper film of the liquid crystal film material to the upper film at the film tearing station, and the first glue feeding component 30 is configured to clamp the tape attached to the upper film and then move it along the first direction to tear off the upper film of the liquid crystal film material by relying on the adhesive force of the tape; the lower film tearing mechanism 4 includes a second glue feeding component 40 and a second film tearing component 41. The second glue feeding component 40 is configured to attach the tape for tearing off the lower film of the liquid crystal film material to the lower film at the film tearing station, and the second glue feeding component 40 is configured to clamp the tape attached to the lower film and then move it along the first direction to tear off the lower film of the liquid crystal film material by relying on the adhesive force of the tape.

[0040] It can be seen that through the cooperation of the conveying mechanism 2, the upper film tearing mechanism 3 and the lower film tearing mechanism 4, the conveying component 20 drives the carrier 21 from the loading station to the film tearing station, and the first glue feeding component 30 attaches the tape to the upper film, and the first glue feeding component 30 clamps the tape attached to the upper film and moves, relying on the adhesive force of the tape to tear off the upper film of the liquid crystal film material, and the second glue feeding component 40 attaches the tape to the lower film, and the second glue feeding component 40 clamps the tape and moves, relying on the adhesive force of the tape to tear off the lower film of the liquid crystal film material, thereby realizing the simultaneous tearing of the upper and lower films of the liquid crystal film material without manual film tearing, greatly improving the film tearing efficiency, and achieving good film tearing effect.

[0041] As an embodiment, the first glue feeding component 30 includes a first roll portion 5, a first glue pulling component 6, a first adsorption component 300 and a first shearing component 7, wherein: the first roll portion 5 is provided with a tape for attaching to the upper film of the liquid crystal film material, the first glue pulling component 6 is configured to clamp the tape on the first roll portion 5 and then pull it out to a preset length, the first adsorption component 300 is configured to adsorb the tape extending from the first roll portion 5, and the first shearing component 7 is configured to cut one end of the adsorbed tape.

[0042] As an embodiment, the first glue pulling component 6 includes a first mounting frame 60, a first three-axis driving module 61 and a first glue pulling clamp 62. The first mounting frame 60 is fixedly mounted on the frame 1, the fixed end of the first three-axis driving module 61 is mounted on the first mounting frame 60, and the driving end of the first three-axis driving module 61 is connected to the first glue pulling clamp 62. The first three-axis driving module 61 is configured to drive the first glue pulling clamp 62 to move horizontally or up and down to cooperate with the first glue pulling clamp 62 to press the adsorbed tape down to the preset position of the upper film of the liquid crystal film material.

[0043] As an embodiment, the first shearing assembly 7 includes a first shearing frame 70, a first air shear 71, a first glue pressing drive member 72 and a first glue pressing member 73. The first glue pressing member 73 can be raised and lowered on the first shearing frame 70. The fixed end of the first glue pressing drive member 72 is installed on the first shearing frame 70. The driving end of the first glue pressing drive member 72 is connected to the first glue pressing member 73. The first glue pressing drive member 72 is configured to drive the first glue pressing member 73 to a high position or a low position; the first glue pressing drive member 72 drives the first glue pressing member 73 to a low position to press and fix the tape before shearing; the first glue pressing drive member 72 drives the first glue pressing member 73 to a high position to release the tape after shearing; the first air shear 71 is configured to shear the protruding end of the tape after the tape is fixed.

[0044] It can be seen that through the cooperation of the first air shear 71, the first glue pressing driver 72 and the first glue pressing member 73, the first glue pressing driver 72 drives the first glue pressing member 73 to a low position, pressing and fixing the tape before shearing, thereby greatly improving the success rate of shearing.

[0045] As an embodiment, the first film tearing assembly 31 includes a first film tearing frame 310, a first film tearing driving module 311 and a first film tearing clamp 312. The first film tearing frame 310 is installed on the frame 1, the fixed end of the first film tearing driving module 311 is installed on the first film tearing frame 310, the driving end of the first film tearing driving module 311 is connected to the first film tearing clamp 312, the first film tearing clamp 312 is configured to clamp the tape located at a preset position on the upper film, and the first film tearing driving module 311 is configured to drive the first film tearing clamp 312 to move along the second end in the horizontal direction to tear off the upper film of the liquid crystal film material through the adhesive force of the tape located at the preset position on the upper film.

[0046] As an embodiment, the second glue feeding component 40 includes a second roll portion, a second glue pulling component, a second adsorption component and a second shearing component, wherein: the second roll portion is provided with a tape for attaching to the lower film of the liquid crystal film material, the second glue pulling component is configured to clamp the tape on the second roll portion and then pull it out to a preset length, the second adsorption component is configured to adsorb the tape extending from the second roll portion, and the second shearing component is configured to cut one end of the adsorbed tape.

[0047] As an embodiment, the second glue pulling assembly includes a second mounting frame, a second three-axis driving module and a second glue pulling clamp. The second mounting frame is fixedly mounted on the frame 1, the fixed end of the second three-axis driving module is mounted on the second mounting frame, the driving end of the second three-axis driving module is connected to the second glue pulling clamp, and the second three-axis driving module is configured to drive the second glue pulling clamp to move horizontally or up and down to cooperate with the second glue pulling clamp to press the adsorbed tape to the preset position of the lower film of the liquid crystal film material.

[0048] As an embodiment, the second shearing assembly includes a second shearing frame, a second air shear, a second glue pressing drive and a second glue pressing member. The second glue pressing member can be raised and lowered on the second shearing frame. The fixed end of the second glue pressing drive is installed on the second shearing frame. The driving end of the second glue pressing drive is connected to the second glue pressing member. The second glue pressing drive is configured to drive the second glue pressing member to a high position or a low position; the second glue pressing drive drives the second glue pressing member to a high position to press and fix the tape before shearing; the second glue pressing drive drives the second glue pressing member to a low position to release the tape after shearing; the second air shear is configured to shear the protruding end of the tape after the tape is fixed.

[0049] As an embodiment, the second film tearing assembly 41 includes a second film tearing frame, a second film tearing drive module and a second film tearing clamp, the second film tearing frame is installed on the frame 1, the fixed end of the second film tearing drive module is installed on the second film tearing frame, the driving end of the second film tearing drive module is connected to the second film tearing clamp, the second film tearing clamp is configured to clamp the tape located at a preset position of the lower film, and the second film tearing drive module is configured to drive the second film tearing clamp to move along the second end in the horizontal direction to tear off the lower film of the liquid crystal film material through the adhesive force of the tape located at the preset position of the lower film.

[0050] As an embodiment, a first film throwing mechanism 8 and a second film throwing mechanism are provided on the frame 1, and the first film throwing mechanism 8 includes a first film throwing frame 80, a first rotating unit 81 and a first film throwing clamp 82, and the first film throwing clamp 82 is configured to clamp the torn upper film, and the fixed end of the first rotating unit 81 is installed on the first film throwing frame 80, and the driving end of the first rotating unit 81 is connected to the first film throwing clamp 82, and the first rotating unit 81 is configured to drive the first film throwing clamp 82 to rotate a preset angle to cooperate with the first film throwing clamp 82 to place the torn upper film at a preset position, and the second film throwing mechanism includes a second film throwing frame, a second rotating unit and a second film throwing clamp, and the second film throwing clamp is configured to clamp the torn lower film, and the fixed end of the second rotating unit is installed on the second film throwing frame, and the driving end of the second rotating unit is connected to the second film throwing clamp, and the second rotating unit is configured to drive the second film throwing clamp to rotate a preset angle to cooperate with the second film throwing clamp to place the torn lower film at a preset position.

[0051] The double-sided film tearing device for liquid crystal film material mentioned above performs the following steps when tearing the film:

[0052] S1, first place the liquid crystal film to be peeled on the carrier 21, and the conveying assembly 20 drives the carrier 21 from the loading station to the peeling station;

[0053] S2: The first three-axis driving module 61 cooperates with the first glue pulling clamp 62 to clamp the tape on the first material roll 5 and then move it horizontally by a preset distance. At the same time, the second three-axis driving module cooperates with the second glue pulling clamp to clamp the tape on the second material roll and then move it horizontally by a preset distance.

[0054] S3, the first glue pressing member 72 drives the first glue pressing member 73 to descend to the low position, fixes the end of the tape pulled out a preset distance, and the first air shear 71 cuts the protruding end of the tape after the tape is fixed. Then the first glue pressing member 72 drives the first glue pressing member 73 to rise to the high position, and at the same time the second glue pressing member drives the second glue pressing member to rise to the high position, fixes the end of the tape pulled out a preset distance, and the second air shear cuts the protruding end of the tape after the tape is fixed. Then the second glue pressing member drives the second glue pressing member to descend to the low position;

[0055] S4, the first three-axis driving module 61 cooperates with the first glue-pulling clamp 62 to press the cut tape downward and attach it to the preset position of the upper film of the liquid crystal film material, the first film-tearing driving module 311 cooperates with the first film-tearing clamp 312 to clamp the tape on the upper film and then move it, and the upper film of the liquid crystal film material is torn off by the adhesive force of the tape, while the second three-axis driving module cooperates with the second glue-pulling clamp to press the cut tape upward and attach it to the preset position of the lower film of the liquid crystal film material, the second film-tearing driving module cooperates with the second film-tearing clamp to clamp the tape on the lower film and then move it, and the lower film of the liquid crystal film material is torn off by the adhesive force of the tape;

[0056] S5, after the first film throwing gripper 82 clamps the torn upper film, it rotates the preset angle through the first rotating unit 81, and cooperates with the first film throwing gripper 82 to place the torn upper film at the preset position. At the same time, the second film throwing gripper clamps the torn lower film, and rotates the preset angle through the second rotating unit, and cooperates with the second film throwing gripper to place the torn lower film at the preset position.

[0057] The above embodiments merely illustrate the basic principles and features of the present invention. The present invention is not limited to the above embodiments. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-sided film tearing device for liquid crystal film, characterized in that: The double-sided film-tearing device for liquid crystal film materials comprises a frame, and a conveying mechanism, an upper film-tearing mechanism, and a lower film-tearing mechanism arranged on the frame, wherein: A loading station and a film tearing station are sequentially arranged on the first end of the frame in the horizontal direction; The conveying mechanism includes a conveying assembly and a carrier, the carrier is configured to carry the liquid crystal film material to be torn off, the driving end of the conveying assembly is connected to the carrier, and the conveying assembly is at least configured to drive the carrier to move alternately between the loading station and the film tearing station; The upper film tearing mechanism includes a first glue feeding assembly and a first film tearing assembly, wherein the first glue feeding assembly is configured to attach the adhesive tape for tearing off the upper film of the liquid crystal film material to the upper film at the film tearing station, and the first glue feeding assembly is configured to clamp the adhesive tape attached to the upper film and then move along a first direction to tear off the upper film of the liquid crystal film material by relying on the adhesive force of the adhesive tape; The lower film tearing mechanism includes a second glue feeding component and a second film tearing component, the second glue feeding component is configured to attach the tape for tearing off the lower film of the liquid crystal film material to the lower film at the film tearing station, and the second glue feeding component is configured to clamp the tape attached to the lower film and move it along the first direction to tear off the lower film of the liquid crystal film material by relying on the adhesive force of the tape.

2. The double-sided film tearing device for liquid crystal film according to claim 1, characterized in that: The first glue feeding assembly includes a first material coiling portion, a first glue pulling assembly, a first adsorption component and a first shearing assembly, wherein: The first roll portion is provided with a tape for attaching to the upper film of the liquid crystal film material, the first glue pulling component is configured to clamp the tape on the first roll portion and pull it out to a preset length, the first adsorption component is configured to adsorb the tape extending from the first roll portion, and the first shearing component is configured to cut one end of the adsorbed tape.

3. The double-sided film-tearing device for liquid crystal film according to claim 2, characterized in that: The first glue pulling component includes a first mounting frame, a first three-axis driving module and a first glue pulling clamp. The first mounting frame is fixedly mounted on the frame, the fixed end of the first three-axis driving module is mounted on the first mounting frame, the driving end of the first three-axis driving module is connected to the first glue pulling clamp, and the first three-axis driving module is configured to drive the first glue pulling clamp to move horizontally or up and down to cooperate with the first glue pulling clamp to press the adsorbed tape down to a preset position on the upper film of the liquid crystal film material.

4. The double-sided film-tearing device for liquid crystal film according to claim 3, characterized in that: The first shearing assembly includes a first shearing frame, a first air shear, a first glue pressing driver, and a first glue pressing member. The first glue pressing member is arranged on the first shearing frame in a liftable manner. The fixed end of the first glue pressing driver is installed on the first shearing frame. The driving end of the first glue pressing driver is connected to the first glue pressing member. The first glue pressing driver is configured to drive the first glue pressing member to a high position or a low position. The first adhesive pressing driving member drives the first adhesive pressing member to a low position to press and fix the adhesive tape before cutting; The first adhesive pressing driving member drives the first adhesive pressing member to a high position to release the adhesive tape after cutting; The first gas shear is configured to shear the protruding end of the adhesive tape after the adhesive tape is fixed.

5. The double-sided film-tearing device for liquid crystal film according to claim 4, characterized in that: The first film tearing assembly includes a first film tearing frame, a first film tearing driving module and a first film tearing clamp, the first film tearing frame is installed on the frame, the fixed end of the first film tearing driving module is installed on the first film tearing frame, the driving end of the first film tearing driving module is connected to the first film tearing clamp, the first film tearing clamp is configured to clamp the tape located at a preset position on the upper film, and the first film tearing driving module is configured to drive the second end of the first film tearing clamp to move in a horizontal direction so as to tear off the upper film of the liquid crystal film material through the adhesive force of the tape located at the preset position on the upper film.

6. The double-sided film-tearing device for liquid crystal film according to claim 1, characterized in that: The second glue feeding assembly includes a second material coiling portion, a second glue pulling assembly, a second adsorption component, and a second shearing assembly, wherein: The second roll portion is provided with a tape for attaching to the lower film of the liquid crystal film material, the second glue pulling component is configured to clamp the tape on the second roll portion and pull it out to a preset length, the second adsorption part is configured to adsorb the tape extending from the second roll portion, and the second shearing component is configured to cut one end of the adsorbed tape.

7. The double-sided film-tearing device for liquid crystal film according to claim 6, characterized in that: The second glue-pulling assembly includes a second mounting frame, a second three-axis driving module and a second glue-pulling clamp. The second mounting frame is fixedly mounted on the frame, the fixed end of the second three-axis driving module is mounted on the second mounting frame, the driving end of the second three-axis driving module is connected to the second glue-pulling clamp, and the second three-axis driving module is configured to drive the second glue-pulling clamp to move horizontally or upward and downward to cooperate with the second glue-pulling clamp to press the adsorbed tape to a preset position on the lower film of the liquid crystal film material.

8. The double-sided film-tearing device for liquid crystal film according to claim 7, characterized in that: The second shearing assembly includes a second shearing frame, a second air shear, a second glue pressing driver, and a second glue pressing member. The second glue pressing member is escalably mounted on the second shearing frame. A fixed end of the second glue pressing driver is mounted on the second shearing frame. A driving end of the second glue pressing driver is connected to the second glue pressing member. The second glue pressing driver is configured to drive the second glue pressing member to a high position or a low position. The second glue pressing driving member drives the second glue pressing member to a high position to press and fix the adhesive tape before cutting; The second glue pressing driving member drives the second glue pressing member to a lower position to release the adhesive tape after cutting; The second gas shear is configured to shear the protruding end of the adhesive tape after the adhesive tape is fixed.

9. The double-sided film-tearing device for liquid crystal film according to claim 8, characterized in that: The second film tearing assembly includes a second film tearing frame, a second film tearing driving module and a second film tearing clamping piece, the second film tearing frame is installed on the frame, the fixed end of the second film tearing driving module is installed on the second film tearing frame, the driving end of the second film tearing driving module is connected to the second film tearing clamping piece, the second film tearing clamping piece is configured to clamp the tape located at a preset position of the lower film, and the second film tearing driving module is configured to drive the second end of the second film tearing clamping piece to move in a horizontal direction so as to tear off the lower film of the liquid crystal film material through the adhesive force of the tape located at the preset position of the lower film.

10. The double-sided film-tearing device for liquid crystal film according to claim 1, characterized in that: The frame is provided with a first film throwing mechanism and a second film throwing mechanism, the first film throwing mechanism includes a first film throwing frame, a first rotating unit and a first film throwing clamp, the first film throwing clamp is configured to clamp the torn upper film, the fixed end of the first rotating unit is installed on the first film throwing frame, the driving end of the first rotating unit is connected to the first film throwing clamp, the first rotating unit is configured to drive the first film throwing clamp to rotate a preset angle to cooperate with the first film throwing clamp to place the torn upper film at a preset position, the second film throwing mechanism includes a second film throwing frame, a second rotating unit and a second film throwing clamp, the second film throwing clamp is configured to clamp the torn lower film, the fixed end of the second rotating unit is installed on the second film throwing frame, the driving end of the second rotating unit is connected to the second film throwing clamp, and the second rotating unit is configured to drive the second film throwing clamp to rotate a preset angle to cooperate with the second film throwing clamp to place the torn lower film at a preset position.