A flat mill polishing jig for a crater structure product

Abstract

The application discloses a flat grinder polishing jig for a crater structure product, a first air-avoiding groove is arranged on a bearing table to adapt to the crater structure of the back of the product, so that the product is prevented from being in contact with the bearing table to generate support deflection, the polishing surface of the product is ensured to be kept horizontal during the machining process, the polishing flatness and consistency are improved, the first air-avoiding groove penetrates through the base and is in communication with the outside, so that the grinding powder water generated during the polishing process can be naturally discharged, the grinding powder is prevented from being deposited and accumulated in the cavity, the product breakage risk caused by the grinding powder extrusion is eliminated, a second air-avoiding groove is arranged on the bearing table to suspend and avoid the LOGO area of the product, so that the LOGO of the product is prevented from being worn, the second air-avoiding groove is in communication with the outside through the first liquid discharge groove, the rapid discharge of the grinding powder water can be further realized, the hidden danger of local grinding powder accumulation is eliminated, and the high yield and high quality of the product in the flat grinding and polishing are ensured.

Description

Technical Field

[0001] This invention belongs to the field of mobile phone cover plate processing technology, and relates to a polishing fixture, specifically a flat grinding machine polishing fixture for crater structure products. Background Technology

[0002] Surface grinding machines are widely used for surface polishing, especially for the surface treatment of brittle and hard materials such as glass, ceramics, and sapphire. During the polishing process, the product to be polished is typically fixed on a specialized polishing fixture, and then the surface grinding machine drives the fixture to move relative to the grinding disc, thereby achieving uniform grinding and smoothing of the product surface.

[0003] Existing polishing fixtures for surface grinders typically provide contoured grooves to directly position and fix the product. However, when polishing products with crater-like protrusions on the back, such as mobile phone cover plates, traditional polishing fixtures are usually flat surfaces that cannot accommodate these crater-like structures. This results in the product being tilted or partially suspended after placement, making it impossible to keep the polished surface level, severely affecting polishing accuracy, and even causing product breakage. Furthermore, if the polishing powder water generated during the polishing process cannot be drained in time, it can easily accumulate inside the mold cavity, forming localized high-pressure zones, further increasing the risk of product crushing. Summary of the Invention

[0004] To address the technical problems existing in the background art, this invention proposes a polishing fixture for a flat grinding mill for crater structure products. By setting an anti-cavity groove structure, it simultaneously realizes the support and positioning of the crater structure of the product and the rapid discharge of grinding powder and water, thereby improving the yield and quality of the flat grinding and polishing of the product.

[0005] The objective of this invention can be achieved through the following technical solutions: A polishing fixture for a surface grinder for crater-shaped products includes: a fiberboard and a base. The fiberboard is mounted on the machine platform of the surface grinder, and the base is fixedly mounted on the fiberboard. The base has a support platform in the middle for placing the product to be polished. A first clearance groove adapted to the crater structure of the product to be polished is formed on the support platform. When the product to be polished is placed on the support platform, the crater structure is adapted to be accommodated in the first clearance groove to keep the polishing surface horizontal. The first clearance groove passes through the base and communicates with the outside to drain the grinding powder water generated during the polishing process.

[0006] Furthermore, the base has an annular embedding groove along the circumference of the support platform, and a polishing strip is embedded in the embedding groove accordingly, with the top of the polishing strip protruding out of the embedding groove to form a cavity on the support platform for accommodating the product to be polished.

[0007] Furthermore, a second clearance groove corresponding to the 100 area of ​​the product to be polished is also provided on the support platform.

[0008] Furthermore, a first drain groove is provided on the side of the base to connect the second vent groove with the outside and drain the polishing powder water generated during the polishing process.

[0009] Furthermore, a layer of mud-blocking cloth is attached to the upper surface of the support platform that contacts the product to be polished to prevent it from being scratched by the product to be polished. The mud-blocking cloth has a third clearance groove and a fourth clearance groove that correspond to the first clearance groove and the second clearance groove, respectively.

[0010] Furthermore, the base and the fiberboard are fixedly connected by a positioning plate. The positioning plate is provided with a fifth clearance groove that is adapted to mate with the first clearance groove. A second drain groove is provided on the side of the positioning plate that communicates with the fifth clearance groove, so that the first clearance groove is connected to the outside and the grinding water in the first clearance groove is discharged from the second drain groove through the fifth clearance groove.

[0011] Furthermore, the positioning plate adopts a double-sided sanded adhesive structure, with the bottom surface of the positioning plate fixedly connected to the fiberboard and the base fixedly connected to the top surface of the positioning plate.

[0012] Furthermore, the outer edge of the fiberboard is provided with a ring of positioning teeth, which are used to mesh with the internal toothed ring on the worktable of the surface grinder to rotate and install the fiberboard on the worktable of the surface grinder.

[0013] Furthermore, multiple bases are provided, and the multiple bases are evenly distributed on the fiberboard along the circumferential direction of the fiberboard's rotation.

[0014] The beneficial effects of this invention are as follows: The polishing fixture for volcano-shaped products provided by this invention, by opening a first clearance groove on the support platform to accommodate the volcano-shaped structure on the back of the product, avoids contact between the product and the support platform and causes support tilting, ensuring that the polished surface of the product remains horizontal throughout the processing, improving the flatness and consistency of the polishing. Furthermore, the first clearance groove passes through the base and connects to the outside, allowing the grinding powder water generated during the polishing process to drain naturally, preventing the grinding powder from settling and accumulating in the cavity, and eliminating the risk of product breakage due to grinding powder compression. By setting a second clearance groove on the support platform to suspend and avoid the product's logo area, the product logo is prevented from being worn. Moreover, the second clearance groove connects to the outside through the first drainage groove, which can further realize the rapid drainage of grinding powder water, eliminate the hidden danger of local grinding powder accumulation, and ensure high yield and high quality of the product in the flat grinding polishing process. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of the present invention.

[0016] Figure 2 This is a schematic diagram of the components of the present invention.

[0017] Figure 3This is a schematic diagram of the base of the present invention.

[0018] Figure 4 This is a schematic diagram of the mud-blocking cloth of the present invention.

[0019] Figure 5 This is a schematic diagram of the positioning plate of the present invention.

[0020] Figure 6 This is a schematic diagram of the fiberboard of the present invention. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] like Figures 1-2 As shown, the present invention provides a polishing fixture for a surface grinder for crater-shaped products, comprising: a fiberboard 1 and a base 2. The fiberboard 1 is mounted on the machine platform of the surface grinder to support the entire fixture, and the base 2 is fixedly mounted on the fiberboard 1, serving as the direct positioning and support core for the product 10 to be polished.

[0023] like Figure 3 As shown, the base 2 has a support platform 21 in the middle for placing the product 10 to be polished. The base 2 has an annular groove 23 along the circumference of the support platform 21. A polishing strip 3 is correspondingly embedded in the groove 23, with the top of the polishing strip 3 protruding from the groove 23, thus forming an open-top cavity above the support platform 21 to accommodate and limit the product 10 to be polished, effectively preventing displacement of the product 10 during polishing. The polishing strip 3 is made of wear-resistant fiberglass material, protecting the side edges of the product 10 during pressure polishing in a surface grinder. It has a long service life, and only the strip needs to be replaced after wear, greatly saving costs and replacement time.

[0024] The support platform 21 has a first clearance groove 22 adapted to the crater structure of the product 10 to be polished. When the product 10 to be polished is placed on the support platform 21, the crater structure on its back is precisely accommodated within the first clearance groove 22, thereby preventing the crater structure from contacting the support platform 21 and causing support tilting, ensuring that the polishing surface of the product 10 remains horizontal during processing. At the same time, the first clearance groove 22 passes through the base 2 and communicates with the outside. During the polishing operation, the grinding powder water generated can be naturally discharged along the first clearance groove 22, preventing the grinding powder from settling and accumulating in the cavity, causing the product to be squeezed and broken.

[0025] The support platform 21 also has a second clearance groove 24 corresponding to the logo area of ​​the product 10 to be polished. When the product 10 to be polished is placed on the support platform 21, the logo area is suspended above the second clearance groove 24, preventing the logo surface from being worn during the polishing process. At the same time, the side of the base 2 has a first drainage groove 25 that communicates with the second clearance groove 24, so as to connect the second clearance groove 24 with the outside, thereby further realizing the rapid discharge of grinding powder water, avoiding the accumulation of grinding powder in a certain local area of ​​the cavity, and reducing the risk of the product 10 to be polished breaking due to grinding powder compression.

[0026] A layer of anti-scratch cloth 4 is attached to the upper surface of the bearing platform 21 that contacts the product 10 to be polished. This anti-scratch cloth 4 is soft and wear-resistant, and can prevent the product 10 to be polished from directly rubbing against the bearing platform 21 during polishing vibration or pressure, thus preventing scratches. Figure 4 As shown, the mud-blocking cloth 4 has a third clearance groove 41 and a fourth clearance groove 42 that correspond to the first clearance groove 22 and the second clearance groove 24, respectively, to ensure that the drainage and clearance functions of each clearance groove are not affected by the mud-blocking cloth 4.

[0027] The base 2 and the fiberboard 1 are fixedly connected by a positioning plate 5. For example... Figure 5 As shown, the positioning plate 5 has a fifth clearance groove 51 that is adapted to mate with the first clearance groove 22, and a second drain groove 52 that communicates with the fifth clearance groove 51 is provided on the side of the positioning plate 5, so that the first clearance groove 22 forms a continuous channel with the outside. In actual operation, the grinding water flowing down from the first clearance groove 22 passes through the fifth clearance groove 51 and is smoothly discharged from the second drain groove 52, preventing the grinding water from accumulating in the gap between the base 2 and the fiberboard 1.

[0028] Specifically, the positioning plate 5 adopts a double-sided abrasive adhesive structure, that is, the bottom surface of the positioning plate 5 is fixedly connected to the fiberboard 1 by adhesive, and the base 2 is fixedly connected to the top surface of the positioning plate 5 by adhesive. This ensures a reliable connection between the base 2, the positioning plate 5 and the fiberboard 1, while providing a certain degree of flexibility to absorb the slight vibration during the operation of the flat mill, and facilitates installation, disassembly and replacement.

[0029] like Figure 6 As shown, the outer edge of the fiberboard 1 is provided with a ring of positioning teeth 11, which are used to mesh with the internal gear ring on the worktable of the surface grinder. When the worktable of the surface grinder rotates, the fiberboard 1 is driven to rotate at a set speed and direction through the meshing transmission between the internal gear ring and the positioning teeth 11, so that the product 10 to be polished placed on the base 2 obtains a uniform planetary motion trajectory, ensuring the consistency of the polishing effect.

[0030] In practical applications, three bases 2 are provided. The three bases 2 are evenly distributed on the fiberboard 1 along the circumference of the fiberboard 1. On the one hand, the fiberboard 1 can be balanced by force when rotating, avoiding vibration or uneven polishing of products due to uneven load. On the other hand, multiple products 10 to be polished can be clamped at the same time for batch polishing, which significantly improves production efficiency.

[0031] The above description is merely an example and illustration of the structure of the present invention. Those skilled in the art can make various modifications or additions to the specific embodiments described, or use similar methods to replace them, as long as they do not deviate from the structure of the invention or exceed the scope defined in the claims, all of which should fall within the protection scope of the present invention.

Claims

1. A polishing fixture for a surface grinder used in products with crater-like structures, characterized in that, include: Fiberboard (1) and base (2) are installed on the machine platform of the flat grinder. The base (2) is fixedly set on the fiberboard (1). The middle part of the base (2) has a support platform (21) for placing the product to be polished (10). The support platform (21) is provided with a first cavitation groove (22) that is adapted to the crater structure of the product to be polished (10). When the product to be polished (10) is placed on the support platform (21), the crater structure is adapted to be accommodated in the first cavitation groove (22) to keep the polishing surface horizontal. The first cavitation groove (22) passes through the base (2) and is connected to the outside to drain the grinding powder water generated during the polishing process.

2. The polishing fixture according to claim 1, characterized in that, The base (2) has an annular groove (23) along the circumference of the support platform (21). A polishing strip (3) is correspondingly embedded in the groove (23), and the top of the polishing strip (3) protrudes out of the groove (23) to form a cavity on the support platform (21) for accommodating the product (10) to be polished.

3. The polishing fixture according to claim 1, characterized in that, The support platform (21) is also provided with a second clearance groove (24) corresponding to the 100 area of ​​the product to be polished (10).

4. The polishing fixture according to claim 3, characterized in that, The base (2) has a first drain groove (25) on its side that communicates with the second vent groove (24) to connect the second vent groove (24) to the outside and drain the grinding water generated during the polishing process.

5. The polishing fixture according to claim 3, characterized in that, A layer of mud-blocking cloth (4) is attached to the upper surface of the bearing platform (21) that contacts the product to be polished (10) to prevent it from being scratched by the product to be polished (10). The mud-blocking cloth (4) is provided with a third clearance groove (41) and a fourth clearance groove (42) that correspond to the first clearance groove (22) and the second clearance groove (24) respectively.

6. The polishing fixture according to claim 1, characterized in that, The base (2) and the fiberboard (1) are fixedly connected by a positioning plate (5). The positioning plate (5) is provided with a fifth cavitation groove (51) that is adapted to be connected to the first cavitation groove (22). The side of the positioning plate (5) is provided with a second drain groove (52) that communicates with the fifth cavitation groove (51) so that the first cavitation groove (22) is connected to the outside, and the grinding water in the first cavitation groove (22) is discharged from the second drain groove (52) through the fifth cavitation groove (51).

7. The polishing fixture according to claim 6, characterized in that, The positioning plate (5) adopts a double-sided sanded adhesive structure. The bottom surface of the positioning plate (5) is fixedly connected to the fiberboard (1), and the base (2) is fixedly connected to the top surface of the positioning plate (5).

8. The polishing fixture according to claim 7, characterized in that, The outer edge of the fiberboard (1) is provided with a ring of positioning teeth (11), which are used to mesh with the internal tooth ring on the worktable of the flat grinder so as to rotate the fiberboard (1) onto the worktable of the flat grinder.

9. The polishing fixture according to claim 8, characterized in that, Multiple bases (2) are provided, and multiple bases (2) are evenly distributed on the fiberboard (1) along the circumferential direction of the fiberboard (1) rotation.

Images