Polishing jig for crater platform of 3D glass cover plate

Abstract

The utility model discloses a 3D glass cover plate crater platform polishing jig which comprises a supporting base and an opening cover plate, the upper surface of the supporting base is provided with a profiling groove capable of horizontally placing the 3D glass cover plate in a matched mode, and the bottom face of the profiling groove is a first profiling face capable of being tightly attached to the face opposite to the face where a crater of the 3D glass cover plate is located. An opening matched with the crater in shape and size is formed in the opening cover plate, when the opening cover plate is placed above the 3D glass cover plate on the supporting base, the height, exposed out of the opening, of a crater platform is not smaller than the thickness, needing to be polished and ground, of the crater platform, and other surfaces, not needing to be polished, of the 3D glass cover plate are covered with the lower portion of the opening cover plate. By means of the polishing jig, the 3D glass cover plate can be reliably and stably machined into the combined effect that the crater platform end face is a smooth face and other surfaces are sand faces, batch production is easy to achieve, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of polishing a crater platform of a 3D glass cover plate, in particular to a polishing jig for a crater platform of a 3D glass cover plate. Background Art

[0002] In order to obtain good appearance and optical performance, 3D glass cover plates often adopt a combination mode in which the crater platform (i.e., the protruding platform of the 3D glass cover plate) where the camera and the like are located has a glossy effect, while the crater transition slope and other surfaces have a sanded effect. In the existing technology, anti-etching ink is generally coated on the crater platform to keep it glossy, and then the 3D glass cover plate is AG-etched to produce a sanded surface on the surface outside the crater platform. However, in this process, the anti-etching ink will overflow the edge of the crater platform and flow toward the crater transition slope, resulting in the crater slope being unable to be etched to produce a sanded surface, affecting the surface effect. In addition, this processing method has high labor costs, unstable processes, and difficulty in mass production. Utility Model Content

[0003] In order to solve the technical problems existing in the background technology, the utility model proposes a 3D glass cover crater platform polishing jig which does not require anti-etching ink to be coated on the crater. After AG etching of the entire 3D glass cover, it is placed in a position where the crater platform is exposed while other surfaces are covered, and the crater platform is polished and ground.

[0004] A 3D glass cover crater platform polishing jig includes: a support base and an opening cover. The upper surface of the support base is provided with a contoured groove that can adapt to the horizontal placement of the 3D glass cover. The bottom surface of the contoured groove is a first contoured surface that can tightly fit with the lower surface of the non-crater surface of the 3D glass cover. The opening cover is provided with an opening whose shape and size are adapted to the shape and size of the crater. When the opening cover is placed above the 3D glass cover on the support base, the height of the crater platform exposed from the opening is not less than the thickness of the crater platform that needs to be polished and ground, and other surfaces of the 3D glass cover that do not need to be polished are covered under the opening cover.

[0005] Preferably, the upper surface of the support base is provided with a plurality of positioning grooves connected to the cavity of the contoured groove, and the periphery of the opening cover plate is provided with a plurality of positioning protrusions adapted to the positioning grooves. When the opening cover plate is placed above the 3D glass cover plate on the support base, the upper surface of the opening cover plate should be lower than the upper surface of the support base, and the end face of the crater platform should be higher than the upper surface of the support base to the thickness required for polishing and grinding.

[0006] Preferably, the lower surface of the opening cover is a second contoured surface that can fit tightly with the non-crater area of ​​the upper surface of the 3D glass cover, and the lower surface of the opening periphery is a third contoured surface that can fit tightly with the bottom peripheral surface of the crater transition slope.

[0007] Preferably, the second contoured surface and the third contoured surface of the opening cover are adhered with soft rubber pads.

[0008] Preferably, a through hole is provided at the bottom of the support base, which passes through the contoured groove cavity to the lower surface of the support base and is used to connect the 3D glass cover plate placed in the contoured groove of the support base and the vacuum suction cup on the lower working plate of the polishing machine.

[0009] Preferably, the support base is made of bakelite.

[0010] Preferably, a damping cloth pad is adhered to the peripheral side wall surface of the contoured groove and the first contoured surface.

[0011] Preferably, the support base and the opening cover are both circular sheets, and a number of contoured grooves are evenly distributed on the upper surface of the support base. The opening cover also has a number of openings that match the contoured grooves. The peripheral walls of the support base and the opening cover are evenly distributed with teeth that can mesh with the sun gear and internal gear of the polishing machine.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The 3D glass cover plate with a sanded surface after AG etching is placed in the profiling groove of the support base, and then the opening cover plate is covered. The first profiling surface of the profiling groove can reliably and effectively support the lower surface of the 3D glass cover plate. The positioning groove on the support base cooperates with the positioning protrusion on the opening cover plate to accurately expose the crater platform outside the opening. They are placed on the lower working disk of the polishing machine. The end face of the crater platform can be polished using the upper polishing disk of the polishing machine, while the other surfaces are protected under the opening cover plate and are not polished, maintaining the sanded surface effect, thereby achieving a combined effect of a smooth crater platform and sanded surfaces on the other surfaces. This not only eliminates the process of manually coating the crater platform with anti-etching ink before AG etching, but also achieves a more reliable and stable processing effect, and is easy to realize mass production, thereby improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Schematic diagram of the three-dimensional structure of the 3D glass cover crater platform polishing jig and the parts of the 3D glass cover.

[0015] Figure 2 Schematic diagram of the three-dimensional structure of the 3D glass cover crater platform polishing fixture loaded with a 3D glass cover.

[0016] Figure 3 This is a bottom view of the opening cover.

[0017] Figure 4A top view of a 3D glass cover crater platform polishing jig loaded with a circular disc with teeth of the 3D glass cover. DETAILED DESCRIPTION

[0018] The specific implementation of the present utility model will be described in detail below with reference to the accompanying drawings.

[0019] Reference Figure 1-Figure 3 , a 3D glass cover crater platform polishing jig includes: a support base 1 and an opening cover plate 2. The upper surface of the support base 1 is provided with a contoured groove 11 that can be adapted to the horizontal placement of the 3D glass cover plate 3. The bottom surface of the contoured groove 11 is a first contoured surface 111 that can be tightly fitted with the lower surface of the non-crater 31 surface of the 3D glass cover plate 3. The opening cover plate 2 is provided with an opening 21 whose shape and size are adapted to the shape and size of the crater 31. When the opening cover plate 2 is placed above the 3D glass cover plate 3 on the support base 1, the height of the crater platform 311 exposed from the opening 21 is not less than the thickness to be polished and ground, and the other surfaces of the 3D glass cover plate 3 that do not need to be polished are covered under the opening cover plate 2.

[0020] The 3D glass cover plate 3 with a sanded surface after AG etching is placed in the profiling groove 11 of the supporting base 1, and the first profiling surface 111 can reliably and effectively support the lower surface of the 3D glass cover plate. The opening cover plate 2 that can expose the crater platform 311 from the opening 21 is then covered on the top of the 3D glass cover plate 3, and the crater platform polishing jig loaded with the 3D glass cover plate is placed on the lower working disk of the polishing machine. The upper polishing disk of the polishing machine is used to polish the end face of the crater platform exposed in the opening 21, while the other surfaces are protected under the opening cover plate 2 and are not polished, maintaining the sanded surface effect, thereby achieving a combined effect of a smooth surface of the crater platform 311 and sanded surfaces of the other surfaces 312 and 32. The above-mentioned processing process with the help of the polishing jig not only eliminates the process of manually coating the crater platform with anti-etching ink before AG etching, but also can achieve a more reliable and stable processing effect, and is easy to realize mass production, thereby improving processing efficiency.

[0021] Reference Figure 1-Figure 3 The upper surface of the support base 1 is provided with a plurality of positioning grooves 12 connected to the cavity of the profiling groove 11, and the periphery of the opening cover 2 is provided with a plurality of positioning protrusions 22 adapted to the positioning grooves 21. The coordinated use of the positioning grooves 21 and the positioning protrusions 22 can improve the positioning accuracy of the opening 21, thereby ensuring the accuracy of the exposed position of the crater platform 311 and improving the working reliability of the polishing jig. Figure 2When the opening cover plate 2 is placed above the 3D glass cover plate 3 on the support base 1, the upper surface of the opening cover plate 2 should be lower than the upper surface of the support base 1, so that the surrounding walls of the support base 1 play a limiting and fixing role on the opening cover plate 2, further improving the working reliability of the polishing jig, and the end surface of the crater platform 311 should be higher than the upper surface of the support base 1 and the thickness required for polishing and grinding.

[0022] Reference Figure 3 The lower surface of the opening cover plate 2 is a second contoured surface 23 that can be tightly fitted with the non-crater area 32 on the upper surface of the 3D glass cover plate 3, and the lower surface around the opening 21 is a third contoured surface 24 that can be tightly fitted with the bottom circumference of the crater transition slope 312. On the one hand, it can prevent the abrasive liquid from entering the gap between the opening cover plate 2 and the upper surface of the 3D glass cover plate 3 during the polishing process and scratching the sand surface. On the other hand, it can also prevent the opening cover plate 2 from being suspended in the air due to the lack of close contact between the two, thereby affecting the stability and strength of the opening cover plate 2.

[0023] The second contoured surface 23 and the third contoured surface 24 of the opening cover plate 2 are adhered with soft rubber pads, which can reduce the impact on the upper surface of the 3D glass cover plate 3 during the polishing process. In addition, the soft rubber pads can isolate the second contoured surface 23 and the third contoured surface 24 from directly contacting the upper surface of the 3D glass cover plate 3, further protecting the sand surface on the upper surface of the 3D glass cover plate 3.

[0024] Reference Figure 1 A through hole 13 is provided at the bottom of the support base 1, which passes through the cavity of the profiling groove 11 to the lower surface of the support base 1 and is used to connect the 3D glass cover plate 3 placed in the profiling groove 11 of the support base 1 and the vacuum suction cup on the lower working plate of the polishing machine. During the polishing process, the vacuum suction cup can adsorb the 3D glass cover plate 3 through the through hole 13, so that it is more firmly fixed in the support base 1, thereby improving the positioning accuracy.

[0025] The support base 1 is made of bakelite, which is a wear-resistant material and can effectively protect the bottom surface of the 3D glass, so that the polishing jig can be used not only on a single-sided polishing machine but also on a double-sided polishing machine.

[0026] A damping cloth pad is adhered to the first profiling surface 111 of the profiling groove 11 to reduce the impact force of the peripheral side wall surface 112 and the first profiling surface 111 on the 3D glass cover during polishing, thereby effectively protecting the 3D glass cover.

[0027] Reference Figure 4The support base 1 and the opening cover plate 2 are both circular pieces. A number of contoured grooves 11 are evenly opened on the upper surface of the support base 1 in the circumferential direction. The opening cover plate 2 also has a number of openings 21 that are compatible with the contoured grooves 11. The peripheral walls of the support base 1 and the opening cover plate 2 are evenly distributed with teeth 4 that can mesh with the sun gear and the internal gear of the polishing machine. At this time, the 3D glass cover crater platform polishing jig is equivalent to the planetary gear in the gear transmission structure. With the above structural design, a set of polishing jigs can be loaded with multiple pieces of 3D glass, which improves the polishing efficiency. In actual applications, multiple sets of polishing jigs with planetary gear structures can be arranged between the sun gear and the internal gear to further improve the polishing efficiency.

[0028] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A 3D glass cover crater platform polishing fixture, characterized in that: The invention comprises: a support base (1) and an opening cover plate (2); the upper surface of the support base (1) is provided with a profiling groove (11) which can be adapted to horizontally place a 3D glass cover plate (3); the bottom surface of the profiling groove (11) is a first profiling surface (111) which can be closely fitted with the lower surface of the non-crater (31) surface of the 3D glass cover plate (3); the opening cover plate (2) is provided with an opening (21) whose shape and size are adapted to the shape and size of the crater (31); when the opening cover plate (2) is placed above the 3D glass cover plate (3) on the support base (1), the height of the crater platform (311) exposed from the opening (21) is not less than the thickness required for polishing and grinding, and other surfaces of the 3D glass cover plate (3) which do not require polishing are covered below the opening cover plate (2).

2. The 3D glass cover crater platform polishing jig according to claim 1, characterized in that: The upper surface of the support base (1) is provided with a plurality of positioning grooves (12) connected to the mold cavity of the profiling groove (11), and the periphery of the opening cover plate (2) is provided with a plurality of positioning protrusions (22) adapted to the positioning grooves (12). When the opening cover plate (2) is placed above the 3D glass cover plate (3) on the support base (1), the upper surface of the opening cover plate (2) should be lower than the upper surface of the support base (1), and the end surface of the crater platform (311) should be higher than the upper surface of the support base (1) by the thickness required for polishing and grinding.

3. The 3D glass cover crater platform polishing jig according to claim 1, characterized in that: The lower surface of the opening cover plate (2) is a second profiling surface (23) that can be closely fitted with the non-crater area (32) of the upper surface of the 3D glass cover plate (3), and the lower surface around the opening (21) is a third profiling surface (24) that can be closely fitted with the bottom peripheral surface of the crater transition slope (312).

4. The 3D glass cover crater platform polishing jig according to claim 3, characterized in that: The second contoured surface (23) and the third contoured surface (24) of the opening cover plate (2) are adhered with soft rubber pads.

5. The 3D glass cover crater platform polishing jig according to claim 1, characterized in that: The bottom of the support base (1) is provided with a through hole (13) which passes through the cavity of the profiled groove (11) to the lower surface of the support base (1) and is used to connect the 3D glass cover plate (3) placed in the profiled groove (11) of the support base (1) and the vacuum suction cup on the lower working plate of the polishing machine.

6. The 3D glass cover crater platform polishing jig according to claim 1, characterized in that: The material of the supporting base (1) is bakelite.

7. The 3D glass cover crater platform polishing jig according to claim 1, characterized in that: A damping cloth pad is adhered to the profiling groove (11) and the first profiling surface (111).

8. The 3D glass cover crater platform polishing jig according to claim 1, characterized in that: The support base (1) and the opening cover plate (2) are both circular sheets. The upper surface of the support base (1) is evenly provided with a plurality of profiling grooves (11) in the circumferential direction. The opening cover plate (2) is also provided with a plurality of openings (21) adapted to the profiling grooves (11). The peripheral walls of the support base (1) and the opening cover plate (2) are evenly provided with teeth (4) that can mesh with the sun gear and the internal gear on the lower working disk of the polishing machine.

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