Cover glass processing surface cleaning device

Abstract

The present invention relates to the technical field of glass surface cleaning, specifically to a cover glass processing surface cleaning device; a conveyor belt cleans the lower end of the glass cover plate in real time; after the glass cover plate to be cleaned moves to the lower end of the swing block, the support plate moves downward on the mounting plate through a telescopic device, and the support plate drives the vibration motor and the swing block to move downward synchronously. During the process, the swing block squeezes the dust-free cloth between two limiting rollers, and the swing block squeezes the dust-free cloth to the upper end surface of the glass cover plate, and then the vibration motor works to make the swing block swing on the dust-free cloth, and at the same time the winding roller winds up the dust-free cloth, so that the vibration motor cleans the upper end surface of the glass cover plate, thereby realizing cleaning of the glass cover plate without the need for personnel to hold the glass cover plate, and simultaneously cleaning the upper and lower end surfaces of the glass cover plate; after the cleaning is completed, the staff takes out the cleaned glass cover plate, and then resets the various components.

Description

Technical Field

[0001] The invention relates to the technical field of glass surface cleaning, in particular to a device for cleaning the processing surface of a cover glass. Background Art

[0002] The glass cover surface cleaning device is a device specially designed for high-precision cleaning of the surfaces of various glass cover plates (such as electronic device screen cover plates, instrument glass panels, car central control glass cover plates, photovoltaic glass cover plates, etc.). Its core function is to remove tiny impurities such as dust, fingerprints, oil stains, water stains, scratches and debris on the surface of the glass cover plates, ensuring the light transmittance, flatness and cleanliness of the glass cover plates to meet the use or production requirements of precision equipment.

[0003] Glass cover is usually used on the surface of products, directly affecting the appearance and function, and has the following characteristics:

[0004] High-precision requirements: For example, the glass cover of mobile phones and tablets must be scratch-free and free of tiny particles (micrometer or even nanometer level), otherwise it will affect the display effect or touch sensitivity;

[0005] Material sensitivity: Some glass cover plates are specially treated (such as coating or tempering). Avoid scratching, corroding, or damaging the coating when cleaning.

[0006] Batch production scenarios: In industrial production (such as electronics factories and photovoltaic module factories), efficient and automated cleaning is required to adapt to the rhythm of the production line.

[0007] When existing workers clean the glass cover, they mostly use dust-free cloth to wipe the glass cover lens manually. During the wiping process, the worker needs to manually take the glass cover. After wiping a part of the area, the worker needs to hold the wiped area and wipe the unwiped area. In this process, when the worker holds the wiped area, even if the worker wears work gloves, the cover glass will still be contaminated after wiping, resulting in poor wiping effect on the cover glass.

[0008] In summary, in order to solve the technical problem raised in this article, the present invention proposes a cover glass processing surface cleaning device. Summary of the Invention

[0009] The present invention provides a cover glass processing surface cleaning device, which includes a body, an operation panel provided on the body; and the body further includes:

[0010] There are two sets of support frames, which are arranged at the upper end of the machine body. Each set of support frames is composed of two plates, and each set of support frames is rotatably connected to a limiting roller;

[0011] An unwinding frame is provided on one side of the upper end of the machine body, and an unwinding roller is provided on one side of the upper end of the unwinding frame. The unwinding roller is driven by a motor provided on one side of the unwinding frame, and the unwinding roller is parallel to the limit roller;

[0012] The winding frame is arranged on the machine body and is located on the same side as the unwinding frame, and the two sets of support frames are located between the winding frame and the unwinding frame; a winding roller is arranged on one side of the upper end of the winding frame, and the winding roller is driven by a motor arranged on one side of the winding frame;

[0013] A mounting plate is provided on the machine body, the mounting plate and the winding frame are located on the same side, and the mounting plate is located between the two support frames. A support plate is provided on one side of the mounting plate, a vibration motor is provided on the upper end of the support plate, and a swing block is provided on the lower end of the support plate, and the swing block is connected to the output end of the vibration motor;

[0014] There are two slide rails, which are arranged at the middle of the upper end of the body; the two slide rails are slidably connected to a placement block, which is used to place the cover glass;

[0015] A supplementary cleaning unit is provided on the placement block and is used to clean the cover glass.

[0016] As a preferred solution of the present application, the supplementary cleaning unit includes a rectangular groove, which is opened at the upper end of the placement block;

[0017] A rectangular groove is provided inside the placement block, and the rectangular groove is located directly above the rectangular groove; and the rectangular groove and the rectangular groove have the same size;

[0018] The conveyor belt has shaft wheels arranged at both ends of the placement block, and the rectangular groove and the rectangular slot are located between the two shaft wheels of the conveyor belt, the upper part of the conveyor belt is located inside the rectangular groove, and the lower part of the conveyor belt is located inside the rectangular slot;

[0019] The driving rod has both ends fixed on the upper end of the slide rail, the middle of the driving rod passes through the inside of the rectangular groove, and the shaft of the conveyor belt contacts the upper end of the driving rod

[0020] The support rods are arranged at both ends of the placement block. A limit rod is provided at the end of the two support rods close to each other. A limit plate is provided between the two limit rods. The limit plate is an N-shaped structure. The opening direction of the limit plate is toward the end away from the winding roller. The limit plate is located at the upper end of the conveyor belt.

[0021] As a preferred solution of the present application, the limiting rod is a telescopic rod, and the middle portion of the limiting plate is provided in two sections, so that the middle portion of the limiting plate can be separated.

[0022] As a preferred solution of the present application, the middle part of the limiting plate is hollow, the middle part of the limiting plate is filled with cleaning fluid, and a fluid replenishing hole is provided on one side of the limiting plate; a pressing nozzle is provided at the upper end of the limiting plate, and the pressing nozzle is connected to the middle part of the limiting plate.

[0023] As a preferred solution of the present application, the multiple pressing nozzles on the upper end of each limiting plate are connected by a connecting plate, and a ball is provided on the connecting plate.

[0024] As a preferred solution of the present application, a cleaning groove is provided at the lower end of the placement block, the upper end of the cleaning groove is connected to the rectangular groove, the opening size of the lower end of the cleaning groove is smaller than the upper end, and the lower end of the cleaning groove is located between the two slide rails, and an arc-shaped cleaning block is fixed to the lower inner wall of the rectangular groove, and the arc-shaped cleaning block is in contact with the lower part of the conveyor belt.

[0025] As a preferred solution of the present application, a No. 1 groove is provided on the lower inner wall of the rectangular groove, and a No. 2 groove is provided on the end of the placement block close to the winding frame. The No. 2 groove is vertically downward, and the upper end of the No. 2 groove is connected to the No. 1 groove. The interior of the No. 1 groove is connected to a swing plate by a torsion spring. One end of the swing plate is located inside the No. 1 groove, and the other end is located at the upper end of the No. 2 groove. A plurality of blocking rods are evenly arranged on the upper end of the machine body. When the placement block moves, the blocking rod enters the No. 2 groove, and the blocking rod blocks the swing plate.

[0026] As a preferred solution of the present application, the outer ring of the blocking rod is provided with a collar.

[0027] The beneficial effects of the present invention are as follows:

[0028] The conveyor belt cleans the lower end of the glass cover plate in real time; after the glass cover plate to be cleaned moves to the lower end of the swing block, the support plate moves downward on the mounting plate through the telescopic device, and the support plate drives the vibration motor and the swing block to move downward synchronously. During the process, the swing block squeezes the dust-free cloth between the two limit rollers, and the swing block squeezes the dust-free cloth to the upper end surface of the glass cover plate. Then the vibration motor works to make the swing block swing on the dust-free cloth, and at the same time the winding roller winds up the dust-free cloth, so that the vibration motor cleans the upper end surface of the glass cover plate, thereby realizing the cleaning of the glass cover plate without the need for personnel to hold the glass cover plate, and the upper and lower end surfaces of the glass cover plate are cleaned synchronously at the same time; after the cleaning is completed, the staff takes out the cleaned glass cover plate, and then resets the components. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a perspective view of the cleaning device of the present invention;

[0030] Figure 2 yes Figure 1 Front view in ;

[0031] Figure 3This is a structural diagram of the cleaning device of the present invention removing the dust-free cloth;

[0032] Figure 4 It is a structural view above the placement block in the present invention;

[0033] Figure 5 This is a structural view of the No. 1 slot and the No. 2 slot in the present invention;

[0034] Figure 6 is a cross-sectional view of a placement block in the present invention;

[0035] Figure 7 It is a structural view of the limiting rod and the limiting plate in the present invention.

[0036] In the figure: body 1, support frame 11, limit roller 12, unwinding frame 13, unwinding roller 14, rewinding frame 15, rewinding roller 151, mounting plate 16, support plate 171, vibration motor 172, swing block 173, slide rail 18, placement block 19, supplementary cleaning unit 2, rectangular groove 21, rectangular groove 22, conveyor belt 23, drive rod 24, support rod 25, limit rod 26, limit plate 27, pressing nozzle 28, connecting plate 29, cleaning groove 191, arc-shaped cleaning block 221, groove No. 1 222, groove No. 2 223, swing plate 224, blocking rod 225. DETAILED DESCRIPTION

[0037] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0038] Example 1:

[0039] like Figures 1 to 7 As shown; a cover glass processing surface cleaning device, the cleaning device includes a body 1, and an operation panel is provided on the body 1; it is characterized in that the body 1 also includes:

[0040] There are two sets of support frames 11, which are arranged at the upper end of the body 1. Each set of support frames 11 is composed of two plates, and each set of support frames 11 is rotatably connected to a limiting roller 12;

[0041] An unwinding frame 13 is provided on one side of the upper end of the machine body 1. An unwinding roller 14 is provided on one side of the upper end of the unwinding frame 13. The unwinding roller 14 is driven by a motor provided on one side of the unwinding frame 13. The unwinding roller 14 is parallel to the limiting roller 12.

[0042] The winding frame 15 is provided on the machine body 1 and is located on the same side as the unwinding frame 13. The two sets of support frames 11 are located between the winding frame 15 and the unwinding frame 13. A winding roller 151 is provided on one side of the upper end of the winding frame 15. The winding roller 151 is driven by a motor provided on one side of the winding frame 15.

[0043] The mounting plate 16 is provided on the machine body 1. The mounting plate 16 and the winding frame 15 are located on the same side. At the same time, the mounting plate 16 is located between the two support frames 11. One side of the mounting plate 16 is fixedly connected to a support plate 171 through a telescopic device. A vibration motor 172 is provided at the upper end of the support plate 171. A swing block 173 is provided at the lower end of the support plate 171. The swing block 173 is connected to the output end of the vibration motor 172.

[0044] There are two slide rails 18, which are arranged at the middle of the upper end of the body 1; the two slide rails 18 are slidably connected to the placement blocks 19, which are used to place the cover glass;

[0045] Supplementary cleaning unit 2; which is provided on the placement block 19, for cleaning the cover glass;

[0046] The supplementary cleaning unit 2 includes a rectangular groove 21, which is opened at the upper end of the placement block 19;

[0047] The rectangular groove 22 is opened inside the placement block 19, and the rectangular groove 21 is located directly above the rectangular groove 22; and the rectangular groove 22 and the rectangular groove 21 have the same size;

[0048] The conveyor belt 23 has shaft wheels disposed at both ends of the placement block 19 , and the rectangular groove 21 and the rectangular groove 22 are located between the two shaft wheels of the conveyor belt 23 , the upper portion of the conveyor belt 23 is located inside the rectangular groove 21 , and the lower portion of the conveyor belt 23 is located inside the rectangular groove 22 ;

[0049] The driving rod 24 has both ends fixed to the upper end of the slide rail 18. The middle of the driving rod 24 passes through the inside of the rectangular groove 22, and the axle of the conveyor belt 23 contacts the upper end of the driving rod 24.

[0050] Support rods 25 are provided at both ends of the placement block 19. A limit rod 26 is provided at the end of the two support rods 25 that is close to each other. A limit plate 27 is provided between the two limit rods 26. The limit plate 27 is an N-shaped structure. The opening direction of the limit plate 27 is toward the end away from the winding roller 151. The limit plate 27 is located at the upper end of the conveyor belt 23;

[0051] The limiting rod 26 is a telescopic rod, and the middle portion of the limiting plate 27 is provided in two sections, so that the middle portion of the limiting plate 27 can be separated.

[0052] The specific workflow is as follows:

[0053] When in use, the dust-free cloth roll is placed on the unwinding roller 14, and then the staff disassembles the dust-free cloth roll. After disassembling, one end of the dust-free cloth passes under the limiting roller 12 between the two sets of support frames 11, and then the dust-free cloth is wound around the winding roller 151. When the dust-free cloth is installed, the non-woven fabric between the two limiting rollers 12 is located under the vibration motor 172 and the swing block 173; then the staff places the cover glass to be cleaned on the placement block 19, and in the initial state, the placement block 19 and the slide rail 18 are slidably connected, and the sliding method is the electric slide rail 18 slider mechanism in the prior art, and the placement block 19 is located at the end of the body 1 away from the winding roller 151;

[0054] When cleaning the glass cover to be cleaned, the staff first places the glass cover on the placement block 19, specifically places the glass cover on the upper end of the conveyor belt 23, and the surface of the conveyor belt 23 is made of non-woven fabric. During the placement process, the glass cover is placed between the two limit rods 26, and one end of the glass cover close to the winding roller 151 is close to the limit plate 27 close to the end plate wall of the winding roller 151. Then the staff controls the control panel on the machine body 1 so that the drive motor on the unwinding roller 14 drives the unwinding roller 14 to unwind the dust-free cloth roll, and at the same time, the drive motor on the winding roller 151 drives the winding roller 151 to rewind. In the process of the dust-free cloth moving from the unwinding roller 14 to the winding roller 151, the dust-free cloth passes through the lower end of the limit roller 12 between the two sets of support frames 11. During the process, the limit roller 12 limits the dust-free cloth below;

[0055] After the glass cover is placed, the placement block 19 slides on the slide rail 18 in the direction from the unwinding roller 14 to the winding roller 151. During this process, the shaft wheels of the conveyor belts 23 at both ends of the placement block 19 contact the drive rod 24 at the upper end of the slide rail 18. The middle part of the drive rod 24 passes through the rectangular groove 22 opened inside the placement block 19. During the movement of the placement block 19, the drive rod 24 moves inside the rectangular groove 22, and the inner wall of the rectangular groove 22 does not contact the drive rod 24.

[0056] When the placing block 19 moves in the direction of the winding roller 151, the shafts at both ends of the conveyor belt 23 rub against the driving rod 24 (specifically, the friction between the upper end of the driving rod 24 and the shafts of the conveyor belt 23 is in the form of a gear rack); the driving rod 24 drives the shafts of the conveyor belt 23 to rotate clockwise, so that the shafts of the conveyor belt 23 drive the conveyor belt 23 to rotate clockwise. During the clockwise rotation of the conveyor belt 23, the conveyor belt 23 drives the glass cover plate to be cleaned above it to move in the direction of the winding roller 151, but because the wall of the limiting plate 27 limits the glass cover plate, the glass cover plate cannot move, thereby causing the glass cover plate to move synchronously with the placing block 19, and the conveyor belt 23 slides on the lower end of the glass cover plate, so that the conveyor belt 23 and the glass cover plate are in relative friction sliding, thereby realizing the conveying The feeding belt 23 cleans the lower end of the glass cover in real time; after the glass cover to be cleaned moves to the lower end of the swing block 173, the support plate 171 moves downward on the mounting plate 16 through the telescopic device, and the support plate 171 drives the vibration motor 172 and the swing block 173 to move downward synchronously. During the process, the swing block 173 squeezes the dust-free cloth between the two limiting rollers 12, and the swing block 173 squeezes the dust-free cloth to the upper end surface of the glass cover, and then the vibration motor works to make the swing block 173 swing on the dust-free cloth, and at the same time the winding roller 151 winds up the dust-free cloth, so that the vibration motor 172 cleans the upper end surface of the glass cover, thereby realizing the cleaning of the glass cover without the need for personnel to hold the glass cover, and the upper and lower end surfaces of the glass cover are cleaned synchronously at the same time; after the cleaning is completed, the staff takes out the cleaned glass cover, and then resets all the components;

[0057] By making the limiting rod 26 a telescopic rod, and the telescopic distance of the limiting rod 26 adjustable, and the middle part of the limiting plate 27 being detachable, when facing glass cover plates of different sizes, the staff can control the distance between the two limiting rods 26 to limit and clamp glass cover plates of different sizes, thereby improving the adaptability to different glass cover plates.

[0058] Example 2:

[0059] like Figures 1 to 7 As shown; the middle part of the limiting plate 27 is hollow, the middle part of the limiting plate 27 is filled with cleaning liquid, and a liquid replenishing hole is opened on one side of the limiting plate 27; the upper end of the limiting plate 27 is provided with a pressing nozzle 28, and the pressing nozzle 28 is connected to the middle part of the limiting plate 27;

[0060] The multiple pressing nozzles 28 on the upper end of each limiting plate 27 are connected via a connecting plate 29 , on which a ball bearing is provided.

[0061] The specific workflow is as follows:

[0062] On the basis of the above-mentioned embodiment 1, when the placing block 19, the conveyor belt 23, the limiting rod 26 and the limiting plate 27 move toward the direction of the winding roller 151, the pressing nozzle 28 provided on the upper end of the limiting plate 27 and the connecting plate 29 on the multiple pressing nozzles 28 move synchronously; when the limiting plate 27, the limiting rod 26 and the glass cover to be cleaned move to the bottom of the swing block 173, the support plate 171 moves downward on the mounting plate 16 through the telescopic device (the telescopic device is an electric telescopic rod in the prior art); during the process, the swing block 173 moves downward, and during the downward movement of the swing block 173, the swing block 173 will first press the connecting plate 2 9 is squeezed, the connecting plate 29 moves downward, driving the pressing nozzle 28 to press downward (the pressing nozzle 28 is a prior art, such as a pressing spray pot, the hose is extended into the cleaning liquid in the middle of the limit plate 27, and when the pressing nozzle 28 is pressed downward, the cleaning liquid is pumped out through the hose). After the pressing nozzle 28 is pressed, the cleaning liquid is pumped out from the pressing nozzle 28 and sprayed on the surface of the glass cover. Then, the swing block 173 swings through the vibration motor 172 to clean the glass cover, so that the cleaning liquid can more fully clean the surface of the glass cover; when cleaning is completed, the swing block 173 returns to its original position, and the pressing nozzle 28 is reset by the spring upward;

[0063] By setting a ball bearing at the upper end of the connecting plate 29, when the swing block 173 swings, there is a dust-free cloth between the swing block 173 and the connecting plate 29. Through the setting of the ball bearing, the friction between the swing block 173 and the connecting plate 29 is reduced during the swinging process, thereby meeting the smoothness of the swinging.

[0064] Example 3:

[0065] like Figures 1 to 7 As shown; a cleaning groove 191 is provided at the lower end of the placement block 19, the upper end of the cleaning groove 191 is connected to the rectangular groove 22, the lower end opening size of the cleaning groove 191 is smaller than the upper end, and the lower end of the cleaning groove 191 is located between the two slide rails 18, and the lower inner wall of the rectangular groove 22 is fixed with an arc-shaped cleaning block 221, and the arc-shaped cleaning block 221 is in contact with the lower part of the conveyor belt 23.

[0066] The specific workflow is as follows:

[0067] On the basis of the above embodiment, when the glass cover is cleaned, the placement block 19 is located at the end of the machine body 1 close to the winding roller 151, and then the glass cover is taken out. After the glass cover is taken out, the telescopic device on the support plate 171 moves the support plate 171, the vibration motor 172 and the swing block 173 upward, and then the placement block 19 is reset on the slide rail 18, that is, the placement block 19 slides on the slide rail 18 toward the end away from the winding roller 151. During the process, the shafts at both ends of the conveyor belt 23 on the placement block 19 rub against the drive rod 24, causing the shaft The axle drives the conveyor belt 23 to rotate counterclockwise. When the conveyor belt 23 rotates counterclockwise, the conveyor belt 23 will enter the interior of the rectangular groove 22, and during the movement, it will contact the arc-shaped cleaning block 221 set on the lower inner wall of the rectangular groove 22. The lower part of the conveyor belt 23 passes over the surface of the arc-shaped cleaning block 221. During the process, the arc-shaped cleaning block 221 cleans the surface of the conveyor belt 23 and scrapes the cleaned debris into the cleaning groove 191. After the conveyor belt 23 cleans the glass cover plate, the surface of the conveyor belt 23 is cleaned, thereby increasing the number of times the conveyor belt 23 is used.

[0068] Example 4:

[0069] like Figures 1 to 7 As shown; a No. 1 slot 222 is provided on the lower inner wall of the rectangular slot 22, and a No. 2 slot 223 is provided on one end of the placement block 19 close to the winding frame 15. The No. 2 slot 223 is vertically downward, and the upper end of the No. 2 slot 223 is connected to the No. 1 slot 222. The interior of the No. 1 slot 222 is rotatably connected to a swing plate 224 via a torsion spring. One end of the swing plate 224 is located inside the No. 1 slot 222, and the other end is located at the upper end of the No. 2 slot 223. A plurality of blocking rods 225 are evenly arranged on the upper end of the body 1. When the placement block 19 moves, the blocking rod 225 enters the No. 2 slot 223, and the blocking rod 225 blocks the swing plate 224.

[0070] The outer ring of the blocking rod 225 is provided with a collar.

[0071] The specific workflow is as follows:

[0072] By setting a No. 1 groove 222 on the lower inner wall of the rectangular groove 22, the No. 1 groove 222 is located above the rectangular groove 22 and is not connected to the rectangular groove 22, and is connected to the swing plate 224 by a torsion spring inside the No. 1 groove 222, and the swing plate 224 is located below the conveyor belt 23; when the placement block 19 moves toward the direction of the winding roller 151, the blocking rods 225 on the body 1 will enter the No. 2 groove 223 one by one. After the blocking rods 225 enter the No. 2 groove 223, as the placement block 19 moves, the upper end of the blocking rod 225 will block the swing plate 224. After the swing plate 224 is blocked, the swing plate 224 rotates, and at the same time, the end of the swing plate 224 located at the lower part of the conveyor belt 23 rotates, so that the swing plate 224 rotates and swings below the glass cover until it rotates and swings. The swing plate 224 cannot rotate. At this time, the swing plate 224 passes the blocking rod 225, and the blocking rod 225 no longer limits the swing plate 224. The swing plate 224 is reset by the action of the torsion spring; during the swinging process of the swing plate 224, the swing plate 224 swings towards the lower end of the glass cover plate, so that when the conveyor belt 23 cleans the lower end of the glass cover plate, the friction effect between the conveyor belt 23 and the glass cover plate is increased, thereby improving the cleaning effect of the glass cover plate; at the same time, a ring is provided on the outer ring of the blocking rod 225, so that when the blocking rod 225 blocks the swing plate 224, the swing plate 224 rotates, and at this time the swing plate 224 contacts the ring, and the ring rotates on the outer ring of the blocking rod 225, thereby reducing the friction between the swing plate 224 and the blocking rod 225, thereby improving the service life of the blocking rod 225 and the swing plate 224.

[0073] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. 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 cover glass processing surface cleaning device, comprising a body (1), on which an operating panel is provided; characterized in that: The body (1) further comprises: Two groups of support frames (11) are arranged at the upper end of the machine body (1), each group of support frames (11) is composed of two plates, and a limiting roller (12) is rotatably connected between each group of support frames (11); An unwinding frame (13) is arranged on one side of the upper end of the machine body (1), and an unwinding roller (14) is arranged on one side of the upper end of the unwinding frame (13). The unwinding roller (14) is driven by a motor arranged on one side of the unwinding frame (13), and the unwinding roller (14) is parallel to the limiting roller (12); A winding frame (15) is arranged on the machine body (1) and is located on the same side as the unwinding frame (13), and two sets of support frames (11) are located between the winding frame (15) and the unwinding frame (13); a winding roller (151) is arranged on one side of the upper end of the winding frame (15), and the winding roller (151) is driven by a motor arranged on one side of the winding frame (15); A mounting plate (16) is arranged on the machine body (1), the mounting plate (16) and the winding frame (15) are located on the same side, and the mounting plate (16) is located between the two support frames (11). A support plate (171) is provided on one side of the mounting plate (16), a vibration motor (172) is provided on the upper end of the support plate (171), and a swing block (173) is provided on the lower end of the support plate (171), and the swing block (173) is connected to the output end of the vibration motor (172); There are two slide rails (18) and they are arranged at the middle of the upper end of the machine body (1); the two slide rails (18) are slidably connected with placement blocks (19), and the placement blocks (19) are used to place the cover glass; A supplementary cleaning unit (2) is provided on the placement block (19) and is used to clean the cover glass; The supplementary cleaning unit (2) includes a rectangular groove (21), which is opened at the upper end of the placement block (19); A rectangular groove (22), the rectangular groove (22) is opened inside the placement block (19), and the rectangular groove (21) is located directly above the rectangular groove (22); and the rectangular groove (22) and the rectangular groove (21) have the same size; A conveyor belt (23), wherein the shaft wheels of the conveyor belt (23) are arranged at both ends of the placement block (19), and the rectangular groove (21) and the rectangular groove (22) are located between the two shaft wheels of the conveyor belt (23), the upper part of the conveyor belt (23) is located inside the rectangular groove (21), and the lower part of the conveyor belt (23) is located inside the rectangular groove (22); A driving rod (24) with both ends fixed to the upper end of the slide rail (18), a middle portion of the driving rod (24) passing through the interior of the rectangular slot (22), and a shaft of the conveyor belt (23) in contact with the upper end of the driving rod (24); Support rods (25) are arranged at both ends of the placement block (19); a limiting rod (26) is arranged at one end of the two support rods (25) close to each other; a limiting plate (27) is arranged between the two limiting rods (26); the limiting plate (27) is an N-shaped structure; the opening direction of the limiting plate (27) is toward the end away from the winding roller (151); and the limiting plate (27) is located at the upper end of the conveyor belt (23).

2. The cover glass processing surface cleaning device according to claim 1, wherein: The limiting rod (26) is a telescopic rod, and the middle portion of the limiting plate (27) is arranged in two sections, so that the middle portion of the limiting plate (27) can be separated.

3. The cover glass processing surface cleaning device according to claim 2, wherein: The middle of the limiting plate (27) is hollow, the middle of the limiting plate (27) is filled with cleaning liquid, and a liquid replenishing hole is opened on one side of the limiting plate (27); The upper end of the limiting plate (27) is provided with a pressing nozzle (28), and the pressing nozzle (28) is connected to the middle part of the limiting plate (27).

4. The cover glass processing surface cleaning device according to claim 3, wherein: The plurality of pressing nozzles (28) on the upper end of each limiting plate (27) are connected via a connecting plate (29), and a ball bearing is provided on the connecting plate (29).

5. The cover glass processing surface cleaning device according to claim 1, wherein: A cleaning groove (191) is provided at the lower end of the placement block (19), the upper end of the cleaning groove (191) is communicated with the rectangular groove (22), the lower end opening size of the cleaning groove (191) is smaller than the upper end, and the lower end of the cleaning groove (191) is located between the two slide rails (18), and an arc-shaped cleaning block (221) is fixed to the lower inner wall of the rectangular groove (22), and the arc-shaped cleaning block (221) contacts the lower part of the conveyor belt (23).

6. The cover glass processing surface cleaning device according to claim 5, characterized in that: A No. 1 groove (222) is provided on the lower inner wall of the rectangular groove (22), and a No. 2 groove (223) is provided on one end of the placement block (19) close to the winding frame (15). The No. 2 groove (223) is vertically downward, and the upper end of the No. 2 groove (223) is connected to the No. 1 groove (222). The interior of the No. 1 groove (222) is connected to a swing plate (224) through a torsion spring. One end of the swing plate (224) is located inside the No. 1 groove (222), and the other end is located at the upper end of the No. 2 groove (223). A plurality of blocking rods (225) are evenly arranged on the upper end of the body (1). When the placement block (19) moves, the blocking rod (225) enters the No. 2 groove (223), and the blocking rod (225) blocks the swing plate (224).

7. The cover glass processing surface cleaning device according to claim 6, characterized in that: The outer ring of the blocking rod (225) is provided with a collar.

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