A glass liquid polishing method suitable for hole glass

Abstract

The present application provides a glass liquid polishing method for glass with holes, comprising the following steps: placing a plurality of glasses to be liquid polished in a liquid polishing groove, wherein at least one pair of adjacent glasses are placed in a way of inclining to each other to form a top opening with gradually narrowing size between the adjacent glasses; driving the liquid polishing agent in the liquid polishing groove to flow upwards through the glasses, and the liquid polishing agent forms a vortex when flowing through the top opening, so as to change the flow state of the liquid polishing agent around the glass holes, and the glass hole flow mark problem is effectively improved.

Description

Technical Field

[0001] This invention relates to the field of glass processing technology, and in particular to a glass liquid polishing method suitable for perforated glass. Background Technology

[0002] In mobile phone glass processing, a new demand has emerged for processing glass with holes. This requires cleaning, polishing and other processes to achieve the requirements of surface smoothness and no defects in appearance. Currently, the main cleaning methods are ultrasonic cleaning and flat plate cleaning, and the main polishing methods are physical polishing and chemical polishing.

[0003] The most common physical polishing method is mechanical polishing, which usually involves pressing a polishing pad down onto the glass substrate and rotating it, while applying polishing fluid and abrasive particles to cut and etch, in order to achieve the purpose of polishing and thinning.

[0004] Chemical polishing typically uses corrosive chemicals to etch the glass. Commonly used chemicals include alkaline agents such as KOH and NaOH, and acidic agents such as HF and HNO3. Alkaline agents corrode glass more slowly, while acidic polishing using strong acids like hydrofluoric acid can evenly etch the glass, making it more versatile. This method is low-cost, fast, and can simultaneously remove dust.

[0005] Physical polishing methods are costly and sometimes unsuitable for certain processing steps. Therefore, using chemical solutions to etch glass for polishing has become a preferred processing method.

[0006] However, acid polishing usually does not take into account the case of glass with holes. When acid polishing glass with holes, depressions are likely to appear around the glass holes during the polishing process, and the center of the depression is significantly off from the center of the hole, which is the problem of flow marks, affecting the appearance of the product. Summary of the Invention

[0007] The purpose of this invention is to provide a glass liquid polishing method suitable for perforated glass, which can improve the problems of depressions and flow marks around the glass holes during the acid polishing process.

[0008] To achieve the above objectives, the present invention adopts the following technical solution:

[0009] A glass polishing method suitable for perforated glass is provided, comprising the following steps:

[0010] Multiple glass pieces to be liquid-polished are placed in a liquid polishing tank, wherein at least one pair of adjacent glass pieces are placed at an angle close to each other to form a top opening with a gradually narrowing size between the adjacent glass pieces.

[0011] The liquid polishing agent in the liquid polishing tank is driven to flow upward through the glass, and the liquid polishing agent forms a vortex when it flows through the top opening.

[0012] In some embodiments of the present invention, a top opening with a gradually narrowing size is formed between multiple pairs of adjacent glass, and the multiple glass to be liquid polished are arranged in a serrated shape.

[0013] In some embodiments of the present invention, at least one of the adjacent glass panes has a glass plane that forms an angle of less than 90 degrees with the horizontal plane.

[0014] In some embodiments of the invention, the acid in the liquid polishing tank is caused to flow upward by bubbling in the liquid polishing tank.

[0015] In some embodiments of the present invention, the liquid-jet agent is an acid solution.

[0016] In some embodiments of the present invention, the acid solution is a hydrofluoric acid solution with a concentration of 0.1 wt% to 8 wt%.

[0017] In some embodiments of the present invention, the glass is treated in the liquid polishing tank for 5-15 minutes.

[0018] In some embodiments of the present invention, the glass is treated in the liquid polishing tank for 10 minutes.

[0019] In some embodiments of the present invention, the glass is completely immersed in the liquid polishing agent.

[0020] In some embodiments of the present invention, the glass is fixed in the liquid polishing tank by means of clamps.

[0021] The present invention has the following beneficial effects:

[0022] The present invention forms a top opening with a gradually narrowing size by placing the liquid polishing agent at an angle between adjacent glass panes. When the liquid polishing agent flows upward through such a top opening, it forms a vortex around the top, thereby changing the flow pattern of the liquid polishing agent around the glass hole on the glass and effectively improving the flow mark problem of the glass hole.

[0023] Furthermore, by arranging multiple pieces of glass in the manner described above, so that each adjacent piece of glass has a top opening with the aforementioned structural features, and the pieces are arranged in a serrated shape, the problem of flow marks in glass holes can be efficiently and efficiently improved in batches.

[0024] Other beneficial effects of the embodiments of the present invention will be further described below. Attached Figure Description

[0025] Figure 1This is a step diagram of a glass liquid polishing method applicable to perforated glass in an embodiment of the present invention;

[0026] Figure 2 This is a schematic diagram of eddies in an embodiment of the present invention;

[0027] Figure 3 This is a schematic diagram of the perforated glass in an embodiment of the present invention;

[0028] Figure 4 This is a schematic diagram of a pair of adjacent glass panes placed at an angle in an embodiment of the present invention;

[0029] Figure 5 This is a schematic diagram of the prior art where glass is loaded parallel onto a fixture.

[0030] The attached figures are labeled as follows:

[0031] First glass 1, second glass 2, clamp 3. Detailed Implementation

[0032] The embodiments of the present invention will be described in detail below. It should be emphasized that the following description is merely exemplary and not intended to limit the scope and application of the present invention.

[0033] It should be noted that when a component is referred to as "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as "connected to" another component, it can be directly connected to or indirectly connected to that other component. Furthermore, a connection can be used for fixing, coupling, or communication.

[0034] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of the present invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0036] This invention provides a method for liquid polishing perforated glass based on special glass placement. The method includes using a liquid polishing tank, preparing a liquid polishing agent of a certain concentration, loading the glass to be liquid polished in a zigzag pattern using a clamp 3, and completely immersing the glass in the agent, thereby improving the defect of flow marks after liquid polishing of perforated glass. The steps are as follows: Figure 1 As shown, it specifically includes the following:

[0037] Multiple glass pieces to be liquid-polished are placed in a liquid polishing tank, wherein at least one pair of adjacent glass pieces are placed at an angle to each other to form a top opening with a gradually narrowing size between the adjacent glass pieces.

[0038] The liquid polishing agent in the driving liquid polishing tank flows upward through the glass, and a vortex is formed when the liquid polishing agent flows through the top opening.

[0039] In this embodiment of the invention, the glass to be liquid polished can be perforated glass, and the perforated glass has the following shape: Figure 3 As shown, other types of glass can also be used, with a gradually narrowing top opening formed between multiple pairs of adjacent glass panes, such as... Figure 2 As shown, the first glass 1 and the second glass 2 are a pair of adjacent glass pieces. Multiple glass pieces to be liquid-polished are arranged in a zigzag pattern, and the angle between the plane of at least one of the adjacent glass pieces and the horizontal plane is less than 90 degrees. As another example, a pair of adjacent glass pieces are placed at an angle as follows: Figure 4 As shown.

[0040] In this embodiment of the invention, the liquid polishing tank is used to hold the liquid polishing agent, which is an acid solution. The acid solution can be a hydrofluoric acid solution with a concentration of 0.1 wt% to 8 wt%, or other concentrations and solvents can be used depending on the required reaction rate. The liquid level of the liquid polishing agent in the tank is higher than the glass, meaning the glass is completely immersed in the liquid polishing agent.

[0041] The liquid polishing tank is made of a material resistant to hydrofluoric acid corrosion. Production auxiliary devices such as bubbling tubes, automatic robotic arms, and swing devices can be installed in the liquid polishing tank.

[0042] In this embodiment of the invention, the glass is fixed in the liquid polishing tank by clamping it with a clamp 3, ensuring that the glass does not detach between the racks of the clamp 3. The clamp 3 can hold one or more pieces of glass and can completely immerse the glass in the acid solution. The minimum angle between the glass plane and the horizontal plane is less than 90 degrees. The minimum angle between the glass and the horizontal plane can be the same or different values. The minimum angles between adjacent pieces of glass and the horizontal plane are opposite in direction. This causes the acid solution to generate eddies 4 when flowing over the glass surface. The velocity direction is not uniformly upward or downward, which can spread the depressions around the holes in multiple directions, achieving the effect of eliminating marks.

[0043] During liquid polishing, bubbling is used in the liquid polishing tank to cause the acid solution to flow upwards. Figure 3 The upward arrows indicate the direction of the bubbles and water flow, thereby performing liquid polishing on the glass in the liquid polishing tank. The glass can be processed in the liquid polishing tank for 5-15 minutes. In this embodiment of the invention, the liquid polishing tank is selected to process for 10 minutes.

[0044] The following describes the process of a perforated glass liquid polishing method based on special glass placement, with reference to Example 1.

[0045] Example 1

[0046] First, multiple pieces of glass to be liquid-polished are tilted and clamped onto fixture 3. At least one pair of adjacent pieces of glass are tilted together to form a gradually narrowing top opening between them. Multiple pairs of adjacent pieces of glass each form a gradually narrowing top opening. The multiple pieces of glass to be liquid-polished are arranged in a zigzag pattern, with at least one adjacent piece of glass having an angle of less than 90 degrees between its plane and the horizontal plane. Fixture 3 is placed in a water tank next to the liquid-polishing equipment for later use.

[0047] Turn on the liquid polishing equipment and prepare the liquid polishing agent in the liquid polishing tank. In this embodiment 1, it is an acid solution, specifically a hydrofluoric acid solution of 0.1 wt% to 8 wt%. Turn on the bubble tube of the production auxiliary device in the liquid polishing tank. The bubble tube generates bubbles, causing the acid solution in the liquid polishing tank to flow upward. During the flow process, it passes through the serrated glass and forms a vortex 4.

[0048] Place clamp 3 at the lifting point of the robotic arm, set the program, the robotic arm lifts clamp 3, and places the clamp holding multiple pieces of glass to be liquid-polished in the liquid polishing tank. The glass is completely immersed in the acid solution. According to the program, soak in the cleaning tank for 1 minute, soak in the liquid polishing tank for 10 minutes, soak in the cleaning tank for 1 minute, and finally lift to the equipment outlet.

[0049] The fixture 3 is sent to the cleaning equipment for cleaning and the appearance of the glass is inspected.

[0050] contrast Figure 5 As can be seen from the existing technology, the existing technology involves parallel loading of adjacent glass, that is, the first glass 1 and the second glass 2 in the figure are placed in parallel. Since no eddy current is generated, the water flow direction is always unidirectional, and the flow marks in the holes are eroded by the uniform flow.

[0051] The above description provides a further detailed explanation of the present invention in conjunction with specific / preferred embodiments, and it should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various substitutions or modifications can be made to these described embodiments without departing from the concept of the present invention, and all such substitutions or modifications should be considered within the scope of protection of the present invention. In the description of this specification, the reference to terms such as "an embodiment," "some embodiments," "preferred embodiment," "example," "specific example," or "some examples," etc., indicates that the specific features, structures, materials, or characteristics described in connection with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples. Without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification and the features of different embodiments or examples. Although the embodiments of the present invention and their advantages have been described in detail, it should be understood that various changes, substitutions, and modifications can be made herein without departing from the scope of protection of the patent application.

Claims

1. A glass polishing method suitable for perforated glass, characterized in that, Includes the following steps: Multiple perforated glass pieces to be liquid-polished are arranged in a zigzag pattern in a liquid polishing tank, with multiple pairs of adjacent glass pieces placed at an angle to form a top opening with a gradually narrowing size between each pair of adjacent glass pieces. The liquid polishing agent in the liquid polishing tank is driven to flow upward through the glass. When the liquid polishing agent flows through the top opening, it forms a vortex. The vortex is used to change the flow state of the liquid polishing agent around the glass hole on the glass.

2. The glass polishing method as described in claim 1, characterized in that, The angle between the glass plane of at least one of the adjacent glass panes and the horizontal plane is less than 90 degrees.

3. The glass polishing method according to any one of claims 1 to 2, characterized in that, The acid solution in the liquid polishing tank is caused to flow upward by bubbling in the tank.

4. The glass polishing method according to any one of claims 1 to 2, characterized in that, The liquid blasting agent is an acid solution.

5. The glass polishing method as described in claim 4, characterized in that, The acid solution is a hydrofluoric acid solution with a concentration of 0.1 wt% to 8 wt%.

6. The glass polishing method as described in claim 5, characterized in that, The glass is treated in the liquid polishing tank for 5-15 minutes.

7. The glass polishing method as described in claim 6, characterized in that, The glass is treated in the liquid polishing tank for 10 minutes.

8. The glass polishing method according to any one of claims 1 to 2, characterized in that, The glass is completely immersed in the liquid polishing agent.

9. The glass polishing method according to any one of claims 1 to 2, characterized in that, The glass is fixed in the liquid polishing tank by clamping.

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