Cleaning mechanism before bonding
By designing a pre-bonding cleaning mechanism and using a drive component to drive the cleaning component for automatic cleaning, the problems of cracks and positional displacement caused by untimely manual cleaning are solved, thus improving the manufacturing efficiency and quality of large-size LCD screens.
Patent Information
- Application Number
- CN202423156863.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In the manufacturing process of large-size LCD screens, if foreign objects in the bonding area are not cleaned in a timely manner, cracks and positional displacement may occur during bonding, affecting production efficiency and product quality.
A pre-bonding cleaning mechanism was designed, including a mounting bracket and a drive assembly. The cleaning assembly slides along the axial direction of the mounting bracket, and the Z-axis cylinder drives the cleaning assembly to move and lift, thereby achieving automatic cleaning of the bonding area and reducing the impact of foreign objects and ACF adhesive.
This enables timely cleaning of the bonding area, preventing cracks and positional shifts, improving production efficiency and product quality, while avoiding downtime for cleaning and reducing the defect rate.
Smart Images

Figure CN223692601U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to liquid crystal screen manufacturing technical field, especially involves bonding front cleaning mechanism. BACKGROUND
[0002] In the manufacturing process of large size liquid crystal screen, bonding COF is a key manufacturing process, and the IC chip is directly attached on the flexible FPC by binding COF, which not only reduces the space occupation, improves the production efficiency, but also enhances the reliability and flexibility of the product.
[0003] In the prior art, there may be foreign matter or ACF glue on the binding area when the large size liquid crystal screen is bonded, and workers need to wipe and clean the foreign matter irregularly, but the manual cleaning method has the following problems:
[0004] The personnel cleaning is not timely, cracks are generated in the bonding area during bonding, the bonding position is deviated, and the product failure rate is high;
[0005] The personnel cleaning needs to stop the machine, which affects the production efficiency.
[0006] Therefore, the bonding front cleaning mechanism capable of solving the above problems is provided. UTILITY MODEL CONTENTS
[0007] The utility model aims at providing bonding front cleaning mechanism to solve the problems in the above background technology.
[0008] In order to achieve the above object, the utility model provides the following technical scheme: bonding front cleaning mechanism, including mounting bracket, further including:
[0009] Cleaning assembly, the cleaning assembly is arranged at the top of the mounting bracket and can slide axially along the mounting bracket;
[0010] Driving assembly, the driving assembly is fixedly arranged on the side of the mounting bracket away from the cleaning assembly, and the driving assembly is used for driving the cleaning assembly to move axially and vertically along the mounting bracket.
[0011] Preferably, the driving assembly includes a cleaning module shaft and a Z-axis cylinder, the cleaning module shaft is fixedly connected to the side wall position of the mounting bracket, the Z-axis cylinder is fixedly connected to the moving end of the cleaning module shaft, and the extension end of the Z-axis cylinder is fixedly connected with the cleaning assembly.
[0012] Preferably, the cleaning assembly includes a mounting seat and a brush seat, the brush seat is rotatably connected to the inner side of the mounting seat, a telescopic groove is formed in the side inner wall of the brush seat, a lock block is slidably connected in the telescopic groove, a first spring is fixedly connected between the lock block and the telescopic groove, and a lock groove is formed in the side of the brush seat opposite to the lock block.
[0013] Preferably, the outer wall of the mounting seat is provided with a straight through slot communicated with the telescopic slot, and the outer wall of the lock block is fixedly connected with a poking rod, and the end of the poking rod extends to the outside through the straight through slot.
[0014] Preferably, the cleaning assembly further comprises a brush body, the top end and the bottom end of the mounting seat are provided with mounting slots, the brush body is mounted on the top end and the bottom of the brush seat through the mounting slots, the side of the brush body opposite to the mounting slots is fixedly connected with a hollow block, the driving rod is slidably connected in the mounting slot, the side of the driving rod opposite to the hollow block is fixedly connected with a lock rod, the outer wall of the lock rod is movably inserted with the end face of the hollow block, and the second spring is fixedly connected between the side, away from the driving rod, of the driving rod and the inner wall of the mounting slot.
[0015] Preferably, the middle part of the brush seat is provided with a mounting cavity communicated with the mounting slot, the end of the driving rod extends to the inside of the mounting cavity, the rotating shaft is rotatably connected in the inside of the mounting cavity and at the position of the side of the driving rod, one end of the rotating shaft penetrates through the outer wall of the brush seat and extends to the outside, and the outer wall of the rotating shaft and the position inside the mounting cavity are symmetrically fixedly connected with two push rods.
[0016] The technical effects and advantages of the present application are as follows:
[0017] The cleaning mechanism provided by the present application has compact structure and high integration, and the driving assembly drives the cleaning assembly to move along the axial direction of the mounting support, so that the cleaning area can be cleaned, the foreign matters in the cleaning area are reduced, the problem of manufacturing quality caused by the deviation of the foreign matters in the cof bonding process is improved, and the manufacturing efficiency and quality are improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a whole structure schematic view of the present application.
[0019] Figure 2 It is a bottom sectional structure schematic view of the cleaning assembly of the present application.
[0020] Figure 3 It is a side sectional structure schematic view of the cleaning assembly of the present application.
[0021] In the drawing: 100, mounting support; 200, driving assembly; 201, cleaning module shaft; 202, Z-axis cylinder; 300, cleaning assembly; 301, mounting seat; 302, brush seat; 303, brush body; 304, lock block; 305, lock slot; 306, telescopic slot; 307, first spring; 308, poking rod; 309, hollow block; 310, driving rod; 311, lock rod; 312, second spring; 313, mounting cavity; 314, rotating shaft; 315, push rod. DETAILED DESCRIPTION
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Example 1: This utility model provides the following... Figure 1 The bonding pre-cleaning mechanism shown includes a mounting bracket 100, a cleaning assembly 300, and a drive assembly 200. The cleaning assembly 300 is disposed on the top of the mounting bracket 100 and can slide along the axial direction of the mounting bracket 100. The drive assembly 200 is fixedly disposed on the side of the mounting bracket 100 opposite to the cleaning assembly 300, and is used to drive the cleaning assembly 300 to move axially along the mounting bracket 100 and to move vertically. The drive assembly 200 includes a cleaning module shaft 201 and a Z-axis cylinder 202. The cleaning module shaft 201 is fixedly connected to the side wall of the mounting bracket 100, and the Z-axis cylinder 202 is fixedly connected to the moving end of the cleaning module shaft 201. The telescopic end of the Z-axis cylinder 202 is connected to the cleaning assembly 300. The cleaning module 300 is fixedly connected, and its cleaning speed and number of reciprocating cleaning cycles are controlled by the cleaning module axis 201. The Z-axis cylinder 202 drives the cleaning module 300 to rise and fall, controlling its height. This allows the cleaning module 300 to clean foreign objects and ACF adhesive in the bonding area of large-size LCD screens during CoF bonding, improving quality issues such as cell crushing and CoF bonding misalignment caused by foreign objects, thus increasing production efficiency and quality. Compared to manual cleaning, the cleaning mechanism provided in this embodiment can achieve timely cleaning, avoiding cracks in the bonding area and bonding position misalignment during bonding, reducing the defect rate. Furthermore, it eliminates the need for machine downtime for cleaning, resulting in higher efficiency.
[0024] Example 2, as Figure 2As shown, the embodiment is based on example 1, the cleaning assembly 300 includes a mounting seat 301 and a brush seat 302, the brush seat 302 is rotatably connected to the inner side of the mounting seat 301, the inner wall of one side of the brush seat 302 is provided with an expansion slot 306, the expansion slot 306 is slidably connected with a locking block 304, the locking block 304 and the expansion slot 306 are fixedly connected with a first spring 307, the side of the brush seat 302 opposite to the locking block 304 is provided with a locking slot 305; the outer wall of the mounting seat 301 is provided with a straight through slot communicated with the expansion slot 306, the outer wall of the locking block 304 is fixedly connected with a push rod 308, the end of the push rod 308 extends to the outside through the straight through slot, the locking block 304 is retracted to the inside of the expansion slot 306 and the first spring 307 is extruded by manually pushing the push rod 308, so that the locking block 304 can be separated from the locking slot 305, so as to realize the locking of the position between the brush seat 302 and the mounting seat 301, so that the brush seat 302 can rotate in the mounting seat 301 to turn over, cooperating with the characteristics that the two surfaces of the brush seat 302 can be cleaned, the cleaning surface can be replaced, which helps to maintain the cleaning effect of the brush seat 302.
[0025] Example 3, as shown, Figure 3 The cleaning assembly 300 further includes a brush body 303, the top end and the bottom end of the mounting seat 301 are provided with mounting slots, the top end and the bottom of the brush seat 302 are provided with the brush body 303 through the mounting slots, the side of the brush body 303 opposite to the mounting slot is fixedly connected with a hollow block 309, the mounting slot is slidably connected with a driving rod 310, the side of the driving rod 310 opposite to the hollow block 309 is fixedly connected with a locking rod 311, the outer wall of the locking rod 311 and the end face of the hollow block 309 are movably inserted, the second spring 312 is fixedly connected between the side of the driving rod 310 away from the driving rod 310 and the inner wall of the mounting slot, the locking rod 311 can be inserted into or separated from the hole of the end face of the hollow block 309 by the translation of the driving rod 310, so that the position between the brush body 303 and the brush seat 302 can be locked or unlocked, the brush body 303 on the brush seat 302 can be disassembled and replaced, so that the brush body 303 can be conveniently replaced, and the convenience of subsequent maintenance is improved.
[0026] The middle part of the brush holder 302 is provided with an installation cavity 313 communicated with the installation slot, the end of the driving rod 310 extends to the inside of the installation cavity 313, the rotation shaft 314 is rotationally connected to the inside of the installation cavity 313 and at the position of the driving rod 310, one end of the rotation shaft 314 penetrates through the outer wall of the brush holder 302 and extends to the outside, the two push rods 315 are fixedly connected to the outer wall of the rotation shaft 314 and at the position inside the installation cavity 313, by manually rotating the rotation shaft 314 clockwise or counterclockwise, the push rod 315 at the corresponding position can be driven to contact the driving rod 310 at the corresponding position and drive the driving rod 310 to move horizontally, so as to unlock the brush body 303 at the corresponding position of the brush holder 302 and the brush holder 302, so that the unlocking operation between the brush body 303 and the brush holder 302 is more convenient and labor-saving, thereby further improving the convenience of replacing the brush body 303.
[0027] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A bonding pre-cleaning mechanism comprising a mounting bracket (100), characterized in that, Also include: The cleaning assembly (300) is arranged at the top of the mounting bracket (100) and can slide axially along the mounting bracket (100); The driving assembly (200) is fixedly arranged on the side of the mounting bracket (100) away from the cleaning assembly (300), and the driving assembly (200) is used for driving the cleaning assembly (300) to move axially and vertically along the mounting bracket (100).
2. The bonding pre-cleaning mechanism of claim 1, wherein The driving assembly (200) includes a cleaning module shaft (201) and a Z-axis cylinder (202), the cleaning module shaft (201) is fixedly connected to the side wall position of the mounting bracket (100), the Z-axis cylinder (202) is fixedly connected to the moving end of the cleaning module shaft (201), and the telescopic end of the Z-axis cylinder (202) is fixedly connected with the cleaning assembly (300).
3. The bonding pre-cleaning mechanism of claim 2, wherein, The cleaning assembly (300) includes a mounting seat (301) and a brush seat (302), the brush seat (302) is rotatably connected to the inner side of the mounting seat (301), a telescopic groove (306) is formed in the inner wall of one side of the brush seat (302), a lock block (304) is slidably connected in the telescopic groove (306), a first spring (307) is fixedly connected between the lock block (304) and the telescopic groove (306), and a lock groove (305) is formed in the side of the brush seat (302) opposite to the lock block (304).
4. The bonding pre-cleaning mechanism of claim 3, wherein A straight through slot is formed in the outer wall of the mounting seat (301) and communicates with the telescopic groove (306), a push rod (308) is fixedly connected to the outer wall of the lock block (304), and the end of the push rod (308) extends to the outside through the straight through slot.
5. The bonding pre-cleaning mechanism of claim 4, wherein The cleaning assembly (300) further includes a brush body (303), mounting grooves are formed in the top end and the bottom end of the mounting seat (301), the brush body (303) is mounted on the top end and the bottom of the brush seat (302) through the mounting grooves, a hollow block (309) is fixedly connected to the side of the brush body (303) opposite to the mounting groove, a driving rod (310) is slidably connected in the mounting groove, a lock rod (311) is fixedly connected to the side of the driving rod (310) opposite to the hollow block (309), the outer wall of the lock rod (311) is movably inserted into the end face of the hollow block (309), and a second spring (312) is fixedly connected between the side of the driving rod (310) away from the driving rod (310) and the inner wall of the mounting groove.
6. The bonding pre-cleaning mechanism of claim 5, wherein, An installation cavity (313) is formed in the middle of the brush seat (302) and communicates with the mounting groove, the end of the driving rod (310) extends to the inside of the installation cavity (313), a rotating shaft (314) is rotatably connected to the side of the installation cavity (313) where the driving rod (310) is located, one end of the rotating shaft (314) penetrates through the outer wall of the brush seat (302) and extends to the outside, and two push rods (315) are symmetrically fixedly connected to the outer wall of the rotating shaft (314) and located inside the installation cavity (313).