Ultra-thin flexible glass cleaning system

Abstract

This invention discloses an ultra-thin flexible glass cleaning system, belonging to the field of ultra-thin flexible glass technology. The technical solution includes a glass conveying mechanism and a glass loading mechanism with its loading end. Glass from the glass roll is conveyed to the glass conveying mechanism via the glass loading mechanism. Above the glass conveying mechanism, from the loading end to the unloading end, are sequentially arranged a cleaning adhesive dispensing mechanism, an adhesive spreading mechanism, a cooling mechanism, and an adhesive peeling mechanism. These mechanisms sequentially drip cleaning adhesive onto the glass on the glass conveying mechanism, spread the cleaning adhesive evenly on the glass, cool the cleaning adhesive, and peel off the cleaning adhesive, ultimately removing dust and dirt from the glass. This invention utilizes the dust-adhesion and dirt-removing principle of the cleaning adhesive, avoiding the breakage and scratches caused by brushes during traditional flatbed cleaning, while enabling rapid and efficient cleaning of the ultra-thin flexible glass surface. Furthermore, it can continuously clean uncut rolls of ultra-thin flexible glass, improving efficiency.

Description

Technical Field

[0001] This invention relates to the field of ultra-thin flexible glass technology, and more specifically to an ultra-thin flexible glass cleaning system. Background Technology

[0002] Ultra-thin flexible glass, also known as UTG, is a type of glass with a thickness ranging from 30 to 100 μm. It has the advantages of high transmittance, good flexibility, and foldability. After being processed by CNC machining, polishing, chemical strengthening, screen printing, and coating, it becomes ultra-thin flexible cover glass, which is mainly used as a protective cover for foldable displays and foldable mobile phone screens.

[0003] Before processing ultra-thin flexible glass, the first step is to clean it to remove dust and stains from its surface, so as not to affect the yield of subsequent processing. The industry-standard cleaning method for ultra-thin flexible glass is to use a flatbed washer; however, using a flatbed washer has the following drawbacks:

[0004] 1) Flatbed cleaning uses various brushes to clean the glass surface, such as disc brushes and roller brushes. Because the ultra-thin flexible glass is very thin, the pressure applied by the brushes to the glass must be stable. If the pressure is too low, the cleaning effect will be poor, and if the pressure is too high, the glass will easily break, making operation inconvenient. In addition, the brushes are also very likely to cause scratches on the glass surface when in contact with it. 2) Flatbed cleaning can only cut the glass into pieces before cleaning small pieces. It cannot clean uncut rolls of ultra-thin flexible glass. In addition, the flatbed cleaning line is long and the cleaning steps are cumbersome (spraying-disc brushing-roller brushing-high pressure spraying-two fluids-air knife drying), resulting in low cleaning efficiency. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide an ultra-thin flexible glass cleaning system. It adopts the principle of dust removal and dirt removal by cleaning adhesive, which avoids the breakage and scratches caused by the brush to the glass during traditional flat cleaning, while enabling rapid and efficient cleaning of the surface of ultra-thin flexible glass; and can continuously clean uncut rolls of ultra-thin flexible glass, thus improving efficiency.

[0006] The technical solution of this invention is as follows:

[0007] The ultra-thin flexible glass cleaning system includes a glass conveying mechanism and a glass loading mechanism with its loading end. The glass on the glass roll is conveyed to the glass conveying mechanism via the glass loading mechanism. Above the glass conveying mechanism, from the loading end to the unloading end, there are sequentially arranged a cleaning adhesive dispensing mechanism, an adhesive spreading mechanism, a cooling mechanism, and an adhesive peeling mechanism. These mechanisms sequentially drip cleaning adhesive onto the glass on the glass conveying mechanism, spread the cleaning adhesive evenly on the glass, cool the cleaning adhesive, and peel off the cleaning adhesive, ultimately removing dust and stains from the glass.

[0008] Preferably, the glass conveying mechanism is a conveyor belt.

[0009] Preferably, the surface of the conveyor belt is provided with vacuum adsorption holes.

[0010] Preferably, the glass loading mechanism includes a rotating roller shaft, on which the glass roll is fixed, and the rotating roller shaft is driven to rotate by a motor.

[0011] Preferably, the cleaning adhesive dispensing mechanism includes a cleaning adhesive heating box, with an adhesive inlet at the top and an adhesive dispensing nozzle at the bottom, and a valve on the dispensing nozzle; the cleaning adhesive heating box is equipped with a heating mechanism.

[0012] Preferably, the adhesive applicator includes a mounting frame, within which a plurality of adhesive applicator rollers are arranged sequentially along the conveying direction, and the height of the plurality of adhesive applicator rollers from the glass conveying mechanism decreases sequentially along the conveying direction.

[0013] Preferably, the surface of the adhesive roller is coated with polytetrafluoroethylene.

[0014] Preferably, the mounting frame is provided with a height adjustment mechanism.

[0015] Preferably, the cooling mechanism includes a second mounting frame, and a plurality of cooling fans are arranged inside the second mounting frame above the glass conveying mechanism.

[0016] Preferably, the adhesive peeling mechanism includes a second rotating roller shaft, which is driven to rotate by a second motor, and the cleaning adhesive applied to the glass surface is wound onto the second rotating roller shaft.

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

[0018] This invention utilizes the principle of adhesive cleaning to remove dust and dirt. The cleaning process is simple and avoids the breakage and scratches caused by brushes on the glass during traditional flatbed cleaning. It also enables rapid and efficient cleaning of ultra-thin flexible glass surfaces. Furthermore, this invention can continuously clean uncut rolls of ultra-thin flexible glass, significantly improving efficiency compared to traditional flatbed cleaning. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of the ultra-thin flexible glass cleaning system of the present invention.

[0021] Figure 2 This is a schematic diagram of the cleaning adhesive dispensing mechanism of the present invention.

[0022] In the diagram, 1. Glass conveying mechanism; 2. Glass loading mechanism; 3. Glass; 4. Cleaning adhesive dispensing mechanism; 401. Cleaning adhesive heating box; 402. Adhesive filling port; 403. Adhesive dispensing nozzle; 404. Valve; 405. Heating mechanism; 5. Adhesive peeling mechanism; 601. Mounting frame one; 602. Adhesive spreading coarse roller; 603. Adhesive spreading fine roller; 604. Height adjustment mechanism; 701. Mounting frame two; 702. Cooling fan. Detailed Implementation

[0023] To enable those skilled in the art to better understand the technical solutions of this invention, the technical solutions of the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this invention.

[0024] Example 1

[0025] like Figure 1 As shown, this embodiment provides an ultra-thin flexible glass cleaning system, including a glass conveying mechanism 1. The glass conveying mechanism 1 can be in the form of a conveyor belt, and the surface of the conveyor belt is provided with vacuum adsorption holes. After the glass 3 enters the conveyor belt, it is adsorbed onto the conveyor belt, preventing the glass 3 from moving or tilting during the conveying process. A glass loading mechanism 2 is provided at the feeding end of the conveyor belt. The glass loading mechanism 2 includes a rotating roller shaft, which is mounted on a support frame. The glass roll formed by the ultra-thin flexible semi-finished glass is fixed on the rotating roller shaft, which is driven to rotate by a motor. The conveying speed of the conveyor belt is controlled by a controller to be consistent with the rotation speed of the rotating roller shaft, so that the ultra-thin flexible glass on the glass roll is fed onto the conveyor belt at a uniform speed, avoiding breakage of the glass 3.

[0026] Above the conveyor belt, from the loading end to the unloading end, are sequentially arranged a cleaning adhesive dispensing mechanism 4, an adhesive spreading mechanism, a cooling mechanism, and an adhesive peeling mechanism 5. These mechanisms sequentially dispense cleaning adhesive onto the glass 3 on the glass conveyor 1, spread the cleaning adhesive evenly on the glass 3, cool the cleaning adhesive, and peel off the cleaning adhesive, ultimately removing dust and dirt from the glass 3. Specifically, as shown... Figure 2As shown, the cleaning adhesive dispensing mechanism 4 includes a cleaning adhesive heating box 401. The top of the heating box 401 has an adhesive inlet 402, and the bottom has two dispensing nozzles 403, each equipped with a valve 404. The heating box 401 also includes a heating mechanism 405 (which can be a resistance wire, etc.). In this embodiment, the cleaning adhesive used is (Dongguan Jiabo Lubricating Oil Co., Ltd., Iron Hand Fe904). This cleaning adhesive's main components are guar gum (70-85 wt.%), glycerin, polymer, and water. Guar gum dissolves into a liquid at temperatures above 60°C, with a viscosity of 2000-2300 cp, exhibiting excellent dust-adhesive and cleaning capabilities. At room temperature (10-30°C), guar gum is a soft gel; when mixed with glycerin, polymer, and water, its viscosity reaches 20000-25000 cp, allowing it to be easily peeled off the glass surface 3. Therefore, before applying adhesive to the surface of glass 3, open the adhesive inlet 402 and add cleaning adhesive to the cleaning adhesive heating box 401. The cleaning adhesive is heated and dissolved by the heating mechanism 405 at a temperature of 65°C for 10 minutes. After the cleaning adhesive melts, open the two valves 404 at the bottom of the cleaning adhesive heating box 401 and the dissolved adhesive flows evenly onto the surface of the ultra-thin flexible glass.

[0027] After applying the cleaning adhesive to the surface of glass 3, a spreading process is required to ensure the adhesive is evenly distributed across the surface. Specifically, as follows: Figure 1 As shown, the adhesive applicator includes a mounting frame 601. Two adhesive applicator rollers, a coarse roller 602 and a fine roller 603, are sequentially arranged within the mounting frame 601 along the conveying direction. Both rollers can rotate freely within the mounting frame 601. The coarse roller 602 is higher than the fine roller 603 above the surface of the glass 3. The bottom of the coarse roller 602 is 1-2 mm from the surface of the glass 3, while the bottom of the fine roller 603 is 0.5-1 mm from the surface of the glass 3. After the adhesive is applied, the glass 3 first passes under the coarse roller 602, where most of the adhesive is spread evenly on the surface. Then, it passes under the fine roller 603, where the adhesive is further spread evenly across the surface of the glass 3, ensuring uniform coverage. The surfaces of the coarse adhesive roller 602 and the fine adhesive roller 603 are coated with a layer of polytetrafluoroethylene (PTFE), which is heat-resistant, non-stick, and lubricating, effectively preventing adhesive sticking during the adhesive spreading process. Furthermore, a height adjustment mechanism 604 (such as a hydraulic cylinder) can be installed on the mounting frame 601 to adjust the height, allowing for the application of cleaning adhesive of different thicknesses. The standard thickness for spreading cleaning adhesive is 0.5-1 mm.

[0028] In addition, such as Figure 1As shown, the cooling mechanism in this embodiment includes a second mounting frame 701, and three cooling fans 702 are arranged above the glass conveying mechanism 1 inside the second mounting frame 701. After the glass 3 is covered with cleaning adhesive, it enters the second mounting frame 701. The cooling fans 702 continuously blow cold air downwards to cool the cleaning adhesive on the surface of the glass 3 to room temperature, making it into a soft adhesive state, and then it enters the adhesive peeling mechanism 5 to be peeled off.

[0029] Specifically, such as Figure 1 As shown, the adhesive peeling mechanism 5 includes a second rotating roller, which is driven to rotate by a second motor. The cleaning adhesive applied to the surface of the glass 3 is wound onto the second rotating roller. The cooled cleaning adhesive has a high viscosity and can be easily peeled off from the surface of the glass 3 and wound onto the second rotating roller after contacting it, thus completing the adhesive peeling operation. In addition, the peeled cleaning adhesive can be repeatedly reused in the cleaning adhesive heating box 401.

[0030] In this way, as the cleaning adhesive solidifies from heat to cold on the surface of glass 3, the dust and stains on the surface of glass 3 are absorbed and removed by the cleaning adhesive, thus completing the cleaning process of the ultra-thin flexible glass.

[0031] Although the present invention has been described in detail with reference to the accompanying drawings and preferred embodiments, the invention is not limited thereto. Various equivalent modifications or substitutions can be made to the embodiments of the invention by those skilled in the art without departing from the spirit and essence of the invention, and such modifications or substitutions should all be within the scope of the invention. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the invention should also be covered within the protection scope of the invention. Therefore, the protection scope of the invention should be determined by the scope of the claims.

Claims

1. A system for cleaning ultra-thin flexible glass, the system comprising: The glass conveying mechanism (1) and the glass loading mechanism (2) with its loading end are included. The glass (3) on the glass roll is conveyed to the glass conveying mechanism (1) via the glass loading mechanism (2). Above the glass conveying mechanism (1), from the loading end to the unloading end, there are a cleaning adhesive dispensing mechanism (4), an adhesive pushing mechanism, a cooling mechanism and an adhesive peeling mechanism (5) in sequence. The cleaning adhesive is dripped onto the glass (3) on the glass conveying mechanism (1), the cleaning adhesive is spread on the glass (3), the cleaning adhesive is cooled and the cleaning adhesive is peeled off, and finally the dust and dirt on the glass (3) are removed. The cleaning adhesive dispensing mechanism (4) includes a cleaning adhesive heating box (401), with an adhesive inlet (402) at the top and an adhesive dispensing nozzle (403) at the bottom, and a valve (404) on the dispensing nozzle (403); a heating mechanism (405) is provided on the cleaning adhesive heating box (401). The glue-applying mechanism includes a mounting frame (601), and several glue-applying rollers are arranged sequentially along the conveying direction inside the mounting frame (601), and the height of the several glue-applying rollers from the glass conveying mechanism (1) decreases sequentially along the conveying direction. The surface of the glue roller is coated with polytetrafluoroethylene. The adhesive peeling mechanism (5) includes a rotating roller shaft 2, which is driven to rotate by a motor 2. The cleaning adhesive covering the glass (3) surface is wound onto the rotating roller shaft 2.

2. The ultrathin flexible glass cleaning system of claim 1, wherein, The glass conveying mechanism (1) uses a conveyor belt.

3. The ultrathin flexible glass cleaning system of claim 2, wherein, The surface of the conveyor belt is provided with vacuum adsorption holes.

4. The ultrathin flexible glass cleaning system of claim 1, wherein, The glass loading mechanism (2) includes a rotating roller shaft 1, on which the glass roll is fixed. The rotating roller shaft 1 is driven to rotate by a motor 1.

5. The ultrathin flexible glass cleaning system of claim 1, wherein, The mounting frame (601) is provided with a height adjustment mechanism (604).

6. The ultrathin flexible glass cleaning system of claim 1, wherein, The cooling mechanism includes a second mounting frame (701), and several air coolers (702) are arranged above the glass conveying mechanism (1) inside the second mounting frame (701).

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