Display optical cement laminating machine convenient for positioning and butt joint

By designing a cleaning mechanism in the monitor optical glue bonding machine, using jet cleaning and dust adsorption technology, the problem of bubble residues caused by inability to effectively remove dust during the bonding process is solved, and higher fitting cleanliness and efficiency is achieved.

CN222600418UActive Publication Date: 2025-03-11TIANJI ZHIGU (HUBEI) INFORMATION TECH CO LTD
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Patent Information

Application Number
CN202420600364.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-26
Publication Date
2025-03-11
Estimated Expiration
2034-03-26

AI Technical Summary

Technical Problem

During the bonding process, existing display optical glue lamination machines cannot effectively remove dust from the contact position of the display surface and the optical glue, resulting in residual bubbles easily after bonding.

Method used

An optical glue bonding machine for easy positioning and docking is designed, equipped with a cleaning mechanism, including a nozzle and a fan filter unit, to ensure the cleanliness of the bonding area through jet cleaning and dust absorption.

Benefits of technology

It effectively avoids the phenomenon of residual bubbles in the contact position of the display surface and the optical glue after bonding, and improves the cleanliness and efficiency of bonding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a display optical cement laminating machine convenient for positioning and butt joint, which comprises a laminating box, an optical cement placing frame capable of limiting optical cement is arranged in the laminating box, and a group of control panels capable of controlling the laminating box to operate are arranged on the outer side of the laminating box; a fixed cross beam is fixedly mounted at the top position of the laminating box, and a limiting frame capable of limiting the frame of the display is fixedly mounted at the bottom position of the electric push rod; the four corners of the limiting frame are each provided with a cleaning mechanism facilitating cleaning of the surface position of the displayer. The display optical cement laminating machine convenient for positioning and butt joint is provided with the cleaning mechanism, and a nozzle arranged on one side of the cleaning mechanism can be used for performing air injection cleaning treatment on the surface position of a display limited on the lower side of the limiting frame, so that cleaning treatment on the laminating part of the nozzle and optical cement can be ensured; and bubbles are remained at the contact position of the surface position of the display and the optical cement.
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Description

Technical Field

[0001] The utility model relates to the technical field related to display optical adhesive bonding, in particular to a display optical adhesive bonding machine which is convenient for positioning and docking. Background Art

[0002] Optical adhesive (OCA) is a clean, highly transparent, substrate-free double-sided adhesive tape with excellent transparency and a light transmittance of more than 99%. It does not damage the appearance even when used in strong light, high temperature, and high humidity environments. It is suitable for bonding plastic materials such as polycarbonate. It is currently mainly used for mobile phone screens and display screens, such as:

[0003] Announcement No. CN210324160U discloses an optical glue bonding machine, which improves work efficiency by setting up multiple bonding stations when in use; by setting up a shell around the frame and a fan filter unit on the top of the frame, a dust-free environment is provided for the optical glue bonding work, which can better control the cleanliness of the product, and has high bonding efficiency and high product yield; however, in actual work, when the fan filter unit is operated, only the dust on the back of the display is filtered, and the dust at the bonding position of the display and the optical glue cannot be well processed, which easily leads to residual bubbles at the surface of the display and the contact position of the optical glue after bonding.

[0004] Therefore, we proposed a display optical adhesive bonding machine that is easy to position and dock, which can solve the above problems well. Utility Model Content

[0005] The purpose of the utility model is to provide a display optical glue bonding machine that is easy to position and dock, so as to solve the problem that the dust on the back of the display currently on the market is filtered and processed, and the dust at the bonding position of the display and the optical glue cannot be processed well, which easily leads to the problem of residual bubbles at the surface position of the display and the contact position of the optical glue after bonding.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a display optical glue bonding machine that is convenient for positioning and docking, comprising a bonding box, an optical glue placement rack that can limit the position of the optical glue is installed at the internal position of the bonding box, and a group of control panels that can control the operation of the bonding box are installed on the outside of the bonding box;

[0007] Also includes:

[0008] A fixed crossbeam is fixedly installed at the top of the laminating box, an electrically driven adjustment frame is fitted in the groove outside the fixed crossbeam, a group of electric push rods are fixed at the bottom of the adjustment frame, and a limit frame capable of limiting the display frame is fixedly installed at the bottom of the electric push rods;

[0009] A group of cleaning mechanisms for cleaning the display surface are installed at the four corners of the limiting frame.

[0010] As a preferred technical solution of the present application, a fan filter unit is installed at the top of the interior of the bonding box to facilitate the adsorption and discharge of dust, so as to ensure a dust-free state during bonding.

[0011] As a preferred technical solution of the present application, a group of driving motors are fixedly installed at the rear side position of the limit frame, the output end position of the driving motor is connected to the middle position of the sprocket assembly, and the two end positions of the sprocket assembly are connected to the end positions of the bidirectional threaded rod, one end of the bidirectional threaded rod is rotatably connected to the slide groove opened inside the limit frame, and the two end positions of the bidirectional threaded rod are threadedly connected with a group of connecting sleeves, and a limiting plate is fixed to the outside of the connecting sleeve, so as to facilitate the limiting processing of the frame of the display.

[0012] As a preferred technical solution of the present application, a group of rubber pads are arranged on the outer side of the limiting plate, and the outer side of the rubber pads is in contact with the frame of the display, so as to avoid damaging the frame position of the display by the flexible effect of the rubber.

[0013] As a preferred technical solution of the present application, a group of pull ropes are tied to the fan filter unit casing fixed below the fitting box, and the bottom position of the pull ropes extends into the interior of the limit frame and the outside of the reciprocating screw, the end position of the reciprocating screw is connected to the head end position of the torsion spring, and the tail end position of the torsion spring is fixed inside the limit frame, and the end position of the reciprocating screw away from the torsion spring is threadedly connected to the inner side of the movable sleeve, and four groups of sliders fixed on the outside of the movable sleeve are slidably arranged inside the limit frame, and a group of piston blocks are fixed at the other end position of the movable sleeve, and the outer side of the piston block fits inside the closed cavity, and the outlet end of the closed cavity is connected to the cleaning mechanism through the air pipe, so that when the limit frame is lowered, the piston block can move back and forth inside the closed cavity, so that the gas inside the closed cavity can be sprayed through the air pipe through the nozzle to clean the surface position of the display.

[0014] As a preferred technical solution of the present application, the middle end of the torsion spring is rotatably connected to the inside of the limit frame, and a group of rubber rings are provided on the outside of the piston block. The outer wall of the rubber ring is attached to the inner wall of the closed cavity, and the rubber ring is attached to the inside of the closed cavity to avoid air leakage.

[0015] As a preferred technical solution of the present application, the cleaning mechanism includes a fixed block fixed at the corner of the limit frame, the top position of the fixed block is rotatably connected to a group of rotating blocks, the bottom position of the rotating block is fixed to a group of screws, the outer side of the bottom end of the screw is threadedly connected to the inside of the moving block, and a nozzle is installed on one side of the moving block. When the staff holds the moving block and rotates the rotating block, the threaded moving block can be driven to adjust the height.

[0016] As a preferred technical solution of the present application, the nozzle is connected to the air pipe, and the air pipe is set with elastic rubber, so that the adjusted nozzle can perform jet cleaning treatment on the surface position of the display.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows: the display optical adhesive bonding machine that is easy to position and dock is provided with a cleaning mechanism, and the nozzle provided on one side of the cleaning mechanism can be used to perform jet cleaning treatment on the surface position of the display limited by the lower side of the limit frame, so as to ensure that the bonding position of the nozzle and the optical adhesive is cleaned, and the phenomenon of residual bubbles at the surface position of the display and the contact position of the optical adhesive after bonding can be avoided. The specific contents are shown as follows:

[0018] 1. A pull rope is set, and the reciprocating screw wound on the other end of l rotates through the movement of the limit frame, causing the moving sleeve to move back and forth through the reciprocating screw. The piston block fixed on one side of the moving sleeve will move back and forth in the closed cavity. The generated gas will be transported to one side of the nozzle through the gas pipe. The nozzle can be used to clean the surface of the display and the contact position of the optical glue to prevent bubbles from being generated during bonding;

[0019] Furthermore, a fixed block is provided, and by rotating the rotating block and manually limiting the moving block by the staff, the screw rod can drive the threaded moving block to move, and the position of the nozzle can be adjusted to better adapt to different displays for cleaning;

[0020] Furthermore, a fan filter assembly is installed at the inner side of the top of the laminating box, and the fan filter assembly is used to absorb and process the dust, thereby reducing the circulation of dust in the air;

[0021] 2. A limit frame is set, and by starting the output end of the driving motor, the output end of the driving motor can drive the two sets of bidirectional threaded rods to rotate through the sprocket assembly, and the connecting sleeve threadedly connected to the outer side of the bidirectional threaded rod can drive the limit plate to slide through the slide groove, so that the side of the display can be limited;

[0022] Furthermore, a limiting plate is provided, and a rubber pad is provided on the inner side of the limiting plate. Through the provision of the rubber pad, damage to the side of the display can be avoided through flexible contact. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model from top view;

[0025] Figure 3 This is a schematic diagram of the main cross-sectional structure of the limit frame of the utility model;

[0026] Figure 4 This is a rear cross-sectional structural diagram of a bidirectional threaded rod of the utility model;

[0027] Figure 5 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0028] Figure 6 This is a schematic diagram of the main cross-sectional structure of the piston block of the utility model;

[0029] Figure 7 This is a schematic diagram of the front cross-sectional structure of the cleaning mechanism of the utility model.

[0030] In the figure: 1. bonding box; 2. optical glue placement rack; 3. fixed beam; 4. adjustment rack; 5. electric push rod; 6. limit rack; 601. slideway; 7. drive motor; 8. sprocket assembly; 9. bidirectional threaded rod; 10. connecting sleeve; 11. limit plate; 12. pull rope; 13. reciprocating screw rod; 14. torsion spring; 15. moving sleeve; 16. slider; 17. piston block; 18. closed chamber; 19. air supply pipe; 20. cleaning mechanism; 2001. fixed block; 2002. rotating block; 2003. screw; 2004. moving block; 2005. nozzle; 21. control panel. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-Figure 7 , the utility model provides the following technical solutions:

[0033] Embodiment 1: To solve the problem that the dust at the back of the existing display is filtered and processed, the dust at the bonding position of the display and the optical adhesive cannot be processed well, which easily leads to the problem that bubbles remain at the contact position between the surface of the display and the optical adhesive after bonding. Figure 1 -Attached Figure 3 , Attachment Figure 6 and attached Figure 7 , including a laminating box 1, an optical glue placement rack 2 for limiting the position of the optical glue is installed inside the laminating box 1, and a control panel 21 for controlling the operation of the laminating box 1 is installed outside the laminating box 1; it also includes: a fixed beam 3 is fixedly installed at the top position of the laminating box 1, an electrically driven adjustment rack 4 is fitted in the groove outside the fixed beam 3, a group of electric push rods 5 are fixed at the bottom position of the adjustment rack 4, and a limit rack 6 for limiting the position of the display frame is fixedly installed at the bottom position of the electric push rod 5; a group of cleaning mechanisms 20 for cleaning the display surface are installed at the four corners of the limit rack 6. A group of fan filter units are installed at the top position of the laminating box 1 to facilitate the adsorption and removal of dust. A set of driving motors 7 are fixedly installed at the rear side of the limiting frame 6, the output end of the driving motor 7 is connected to the middle of the sprocket assembly 8, and both ends of the sprocket assembly 8 are connected to the end of the bidirectional threaded rod 9, one end of the bidirectional threaded rod 9 is rotatably connected to the slide groove 601 provided inside the limiting frame 6, and both ends of the bidirectional threaded rod 9 are threadedly connected to a set of connecting sleeves 10, and the outer side of the connecting sleeve 10 is fixed with a limiting plate 11. A set of rubber pads are arranged on the outer side of the limiting plate 11, and the outer side of the rubber pads is in contact with the frame of the display. The middle end position of the torsion spring 14 is rotatably connected to the inside of the limit frame 6, and a group of rubber rings are arranged on the outside of the piston block 17, and the outer wall of the rubber ring is fitted to the inner wall of the closed chamber 18. By starting the electric push rod 5 on the top of the limit frame 6, the electric push rod 5 drives the limit frame 6 to move inside the bonding box 1. At this time, the pull rope 12 tied to the top of the bonding box 1 will also be released. At this time, the reciprocating screw 13 wrapped with the pull rope 12 rotates in the internal position of the limit frame 6, causing the reciprocating screw 13 to drive the torsion spring 14 to deform. In addition, the movable sleeve 15 threadedly connected to the outside of the reciprocating screw 13 slides inside the limit frame 6 through the slider 16, causing the movable sleeve 15 to stably slide inside the limit frame 6. In addition, the piston block 17 fixed on one side of the movable sleeve 15 can move back and forth inside the closed chamber 18, so that the gas generated by the piston block 17 will be transported to the inside of the nozzle 2005 through the gas pipe 19 and sprayed.

[0034] Embodiment 2: In order to facilitate the positioning of different displays, the optical adhesive on the top of the optical adhesive placement frame 2 can be bonded together. Figure 2 -Attached Figure 5 , a set of drawstrings 12 are tied to the fan filter unit housing fixed below the fitting box 1, the bottom position of the drawstring 12 extends into the interior of the limit frame 6 and the outside of the reciprocating screw 13, the end position of the reciprocating screw 13 is connected to the head end position of the torsion spring 14, the tail end position of the torsion spring 14 is fixed inside the limit frame 6, the end position of the reciprocating screw 13 away from the torsion spring 14 is threadedly connected to the inside of the moving sleeve 15, and four sets of sliders 16 fixed on the outside of the moving sleeve 15 are slidably arranged inside the limit frame 6, and a set of piston blocks 17 are fixed at the other end of the moving sleeve 15, the outside of the piston block 17 is fitted inside the closed chamber 18, and the outlet end of the closed chamber 18 is connected to the cleaning mechanism 20 through the air supply pipe 19. The middle end position of the torsion spring 14 is rotatably connected to the interior of the limit frame 6, and a set of rubber rings are arranged on the outside of the piston block 17, and the outer wall of the rubber ring is fitted to the inner wall of the closed chamber 18. In order to facilitate the limiting processing of displays of different models, the display is first placed at the bottom position of the limiting frame 6 to ensure that the display surface faces downward. At this time, by starting the driving motor 7, the output end position of the driving motor 7 can drive the middle part of the sprocket assembly 8 to rotate, so that the two-way threaded rod 9 connected to the two end positions of the sprocket assembly 8 will also rotate, so that the connecting sleeve 10 threadedly connected to the outer side of the two-way threaded rod 9 will also drive the limiting plate 11 to slide at the bottom position of the limiting frame 6, so that the limiting plate 11 will limit the side of the display, so that the rubber pad fits with the outer side of the display, which can prevent the side of the display from being damaged. By setting the adjustment frame 4 and the electric push rod 5, the position of the limiting frame 6 can be adjusted to fit with the optical glue on the top of the optical glue placement frame 2.

[0035] Example 3: In order to adapt to the cleaning process of different display surface positions, please refer to the attached Figure 3 and attached Figure 7 The cleaning mechanism 20 includes a fixed block 2001 fixed at the corner of the limiting frame 6, a group of rotating blocks 2002 are rotatably connected at the top of the fixed block 2001, a group of screws 2003 are fixed at the bottom of the rotating block 2002, and the bottom of the screws 2003 are threadedly connected to the inside of the moving block 2004. A nozzle 2005 is installed at one side of the moving block 2004. The nozzle 2005 is connected to the air delivery pipe 19, and the air delivery pipe 19 is set as elastic rubber. The staff manually limits the outside of the moving block 2004. By rotating the rotating block 2002 rotatably connected to the top of the fixed block 2001, the screw 2003 fixed at the bottom of the rotating block 2002 can be rotated inside the fixed block 2001, causing the threaded moving block 2004 to descend, and at this time, the nozzle 2005 will also descend, so that the nozzle 2005 can clean the outside of different models of displays.

[0036] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A display optical glue bonding machine that is convenient for positioning and docking, comprising a bonding box (1), an optical glue placement rack (2) that can limit the position of the optical glue is installed inside the bonding box (1), and a group of control panels (21) that can control the operation of the bonding box (1) are installed outside the bonding box (1); It is characterized in that Also includes: A fixed crossbeam (3) is fixedly installed at the top of the laminating box (1); an electrically driven adjustment frame (4) is fitted in a groove outside the fixed crossbeam (3); a group of electric push rods (5) are fixed at the bottom of the adjustment frame (4); a limit frame (6) capable of limiting the position of the display frame is fixedly installed at the bottom of the electric push rods (5); A group of cleaning mechanisms (20) for cleaning the display surface are installed at the four corners of the limiting frame (6).

2. The display optical adhesive bonding machine that is convenient for positioning and docking according to claim 1, characterized in that: A fan filter unit is installed at the top of the interior of the laminating box (1) to facilitate the adsorption and discharge of dust.

3. The display optical adhesive bonding machine that is convenient for positioning and docking according to claim 1, characterized in that: A group of driving motors (7) are fixedly installed at the rear side of the limiting frame (6); the output end of the driving motor (7) is connected to the middle position of the sprocket assembly (8), and both ends of the sprocket assembly (8) are connected to the end positions of the bidirectional threaded rod (9); one end of the bidirectional threaded rod (9) is rotatably connected to a slide groove (601) provided inside the limiting frame (6); both ends of the bidirectional threaded rod (9) are threadedly connected to a group of connecting sleeves (10), and a limiting plate (11) is fixed to the outer side of the connecting sleeve (10).

4. The display optical adhesive bonding machine that facilitates positioning and docking according to claim 3, characterized in that: A group of rubber pads are arranged on the outer side of the limiting plate (11), and the outer sides of the rubber pads are in contact with the frame of the display.

5. The display optical adhesive bonding machine that facilitates positioning and docking according to claim 1, characterized in that: A set of drawstrings (12) are bound to the fan filter unit housing fixed below the fitting box (1), the bottom of the drawstrings (12) extend into the interior of the limiting frame (6) and are entangled with the outer side of the reciprocating screw (13), the end of the reciprocating screw (13) is connected to the head end of the torsion spring (14), the tail end of the torsion spring (14) is fixed inside the limiting frame (6), the end of the reciprocating screw (13) away from the torsion spring (14) is threadedly connected to the inner side of the movable sleeve (15), four sets of sliders (16) are fixed on the outer side of the movable sleeve (15) and are slidably arranged inside the limiting frame (6), and a set of piston blocks (17) are fixed at the other end of the movable sleeve (15), the outer side of the piston block (17) fits inside the closed chamber (18), and the outlet end of the closed chamber (18) is connected to the cleaning mechanism (20) through an air supply pipe (19).

6. The display optical adhesive bonding machine that facilitates positioning and docking according to claim 5, characterized in that: The middle end of the torsion spring (14) is rotatably connected to the inside of the limiting frame (6), and a group of rubber rings are arranged on the outside of the piston block (17), and the outer wall of the rubber ring is in contact with the inner wall of the closed cavity (18).

7. The display optical adhesive bonding machine that facilitates positioning and docking according to claim 5, characterized in that: The cleaning mechanism (20) comprises a fixed block (2001) fixed at a corner of a limiting frame (6); a group of rotating blocks (2002) are rotatably connected to the top of the fixed block (2001); a group of screw rods (2003) are fixed to the bottom of the rotating block (2002); the outer sides of the bottom ends of the screw rods (2003) are threadedly connected to the inside of a moving block (2004); and a nozzle (2005) is installed on one side of the moving block (2004).

8. The display optical adhesive bonding machine that facilitates positioning and docking according to claim 7, characterized in that: The nozzle (2005) is connected to the air delivery pipe (19), and the air delivery pipe (19) is made of elastic rubber.

Citation Information

Patent Citations

  • Optical cement laminating machine

    CN210324160U