CN213380922U

CN213380922U - Polishing device

Info

Publication number: CN213380922U
Application number: CN202022342645.7U
Authority: CN
Inventors: 邓海平
Original assignee: Lens Technology Changsha Co Ltd
Current assignee: Lens Technology Changsha Co Ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-06-08
Anticipated expiration: 2030-10-20

Abstract

The utility model provides a polishing device, including hugging closely the flexible polishing dish and the setting element of setting on the mill lower wall that set up in mill hanging wall bottom, the setting element is used for fixed spacing product be equipped with a plurality of through-holes that are used for flowing in the polishing solution on the mill hanging wall be equipped with the counterpoint hole that corresponds with mill hanging wall through-hole position, the diameter equals on the flexible polishing dish. The utility model discloses can polish the mar completely, and the product after the polishing can pass through in the surface stress test.

Description

Polishing device

Technical Field

The utility model relates to a polishing equipment technical field, concretely relates to burnishing device.

Background

The strengthened 3D watch mirror surface often has the problem of shallow scratch. The 3D watch mirror needs to be polished after strengthening. The strengthened 3D watch mirror surface often has the problem of shallow scratch. When polishing the operation, current polishing dish adopts brush or carpet, and brush or carpet are more crude and hard, and if polishing time overlength polishing excessively can cause the damage to the product during polishing, make the stress test not pass, if polishing time short can not get rid of shallow mar in place, white piece inspection yield is low, and crude current brush of hard can not realize the balance between them.

In view of the foregoing, there is a need for a polishing apparatus to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polishing device, concrete technical scheme is as follows:

a polishing device comprises a flexible polishing disk and a positioning piece, wherein the flexible polishing disk is arranged at the bottom of an upper disk of a grinding machine in a clinging manner, the positioning piece is arranged on a lower disk of the grinding machine and is used for fixing a limiting product, a plurality of through holes for polishing liquid to flow in are formed in the upper disk of the grinding machine, and alignment holes with the same diameter and corresponding to the through holes in the upper disk of the grinding machine are formed in the flexible polishing disk; the flexible polishing disc is integrally flat-shaped and is made of flexible materials.

Preferably, the positioning piece comprises a first fixing piece and a second fixing piece, the first fixing piece is annularly arranged on the periphery of the lower disc of the grinding machine, the second fixing piece is annularly arranged in the middle of the lower disc of the grinding machine, and the first fixing piece and the second fixing piece are arranged in a concentric manner;

the polishing device further comprises a fixing plate for accommodating products, a plurality of cavities for accommodating product clamps are formed in the fixing plate at intervals, the number of the fixing plate is multiple, the fixing plate is arranged between the first fixing piece and the second fixing piece at annular intervals, and the fixing plate is connected with the first fixing piece and the second fixing piece in a clamping mode.

Preferably, the first fixing member is a first toothed body, the second fixing member is a second toothed body, the fixing plate is a toothed plate, and a tooth structure engaged with the first toothed body and the second toothed body in a matching manner is arranged on the periphery of the toothed plate.

Preferably, the toothed plate is of a circular structure.

Preferably, the die cavity is of a through hole structure, the polishing device further comprises a bottom plate, the number of the bottom plates is the same as that of the toothed plates, one bottom plate is correspondingly arranged below each toothed plate, the bottom plate is of a circular structure, and tooth structures which are matched and meshed with the first toothed bodies and the second toothed bodies are arranged on the periphery of the bottom plate.

Preferably, the inner bottom surface of the product clamp is provided with damping cloth for preventing the bottom of the product clamp from wearing the product during polishing operation.

Preferably, the flexible polishing disk is a sponge polishing disk.

Preferably, the flexible polishing disk is arranged on the upper disk of the grinding machine in a clinging manner through a magic tape.

Preferably, a height-adjustable limiting boss is further arranged at the central position of the lower disc of the grinding machine, the top of the limiting boss is abutted to the upper disc of the grinding machine, and the limiting boss is used for limiting the distance between the upper disc of the grinding machine and the lower disc of the grinding machine during polishing operation and ensuring that the lower surface of the sponge polishing disc is lower than the product clamp by 2.0-2.5 mm.

Preferably, spacing boss includes the base and fixes the center pin on the base, and the base is equipped with cylindricly of first hole for the center and fixes on the mill lower wall, and the center pin includes pole portion and the flange that is formed at pole portion top, and pole portion cartridge is in the first hole of base, and the cover is equipped with the annular gasket in pole portion, and the gasket is located between base and the flange, realizes altitude mixture control through the increase and decrease of gasket quantity.

Use the technical scheme of the utility model, following beneficial effect has:

(1) the polishing device of the utility model, the product is fixed on the lower disc of the mill, the polishing disc is arranged on the upper disc of the mill, when the upper disc of the mill and the lower disc of the mill rotate relatively, the polishing disc polishes the product, because the flexible polishing disc is adopted, the whole bottom plane of the flexible polishing disc is a polishing side, the pure polishing plane of the flexible polishing disc is contacted with the product, the shallow scratch on the surface of the product can be effectively removed, the polishing efficiency is improved, and the product can not be damaged because the material is soft; especially for mirror glass products, the flexible material is soft compared with a brush or carpet material, and the problem of overlarge cutting force is avoided, so that the product can pass stress tests such as CS, DOL, extrusion force, ball falling and the like after being polished.

(2) The utility model discloses in central point on the mill lower wall puts still to be equipped with a height-adjustable's spacing boss, the top of spacing boss with mill hanging wall butt, spacing boss is used for spacing distance between mill hanging wall and the mill lower wall when polishing operation, ensures that the lower surface of sponge polishing dish is less than 2.0-2.5mm of product anchor clamps, and then ensures that the polishing surface of treating of 3D wrist-watch mirror surface can be contacted by the sponge polishing dish completely.

(3) The utility model discloses in the setting of mill hanging wall is hugged closely to sponge polishing dish be equipped with the counterpoint hole that corresponds with mill hanging wall through-hole position, the diameter equals on the sponge polishing dish, ensure to flow to the product by the counterpoint hole through the polishing solution that mill hanging wall through-hole flowed in, and then take away the powder that the product produced because of the polishing. The sponge polishing disc is tightly attached to the upper disc of the grinding machine through the magic tape, so that the stability of polishing operation is ensured.

(4) The utility model discloses in the setting of bottom plate, very big reduction when the polishing operation, the product anchor clamps hold the wearing and tearing of its bottom in the cavity die cavity.

(5) The utility model discloses in be equipped with damping cloth on the interior bottom surface of product anchor clamps for product anchor clamps bottom is to the wearing and tearing of product when avoiding the polishing operation.

(6) The utility model discloses in the material of pinion rack and bottom plate is the fibre material, ensures that structural strength can be better satisfy the polishing operation requirement.

(7) The utility model discloses in burnishing device, simple structure has detachability and convenient to use.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

FIG. 1 is a schematic view of a polishing apparatus according to embodiment 1 of the present invention;

figure 2 is a schematic structural view of the toothed plate of figure 1;

FIG. 3 is a schematic view of the product clamp of FIG. 1;

FIG. 4 is a schematic structural view of a limiting boss in the polishing apparatus shown in FIG. 1;

the polishing device comprises a flexible polishing disk 1, a flexible polishing disk 2, a toothed plate 2.1, a cavity 3, a product clamp 4, a mill upper disk 4.1, a through hole 5, a mill lower disk 5.1, a first toothed body 5.2, a second toothed body 6, a limiting boss 6.1, a base 6.2, a central shaft 6.3, a gasket 7 and a product.

Detailed Description

The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

Example 1:

referring to fig. 1-4, a polishing device comprises a flexible polishing disk 1 closely attached to the bottom of an upper disk 4 of a mill and a positioning member arranged on a lower disk 5 of the mill, wherein the positioning member is used for fixing a limiting product 7 (preferably a 3D watch mirror surface product), the upper disk 4 of the mill is provided with a plurality of through holes 4.1 for flowing polishing liquid, and the flexible polishing disk 1 is provided with alignment holes with the same diameter and corresponding to the positions of the through holes 4.1 of the upper disk 4 of the mill; the flexible polishing disc 1 is flat and is made of flexible materials.

The positioning piece comprises a first fixing piece and a second fixing piece, wherein the first fixing piece is annularly arranged on the periphery of the lower disc 5 of the grinding machine, the second fixing piece is annularly arranged in the middle of the lower disc 5 of the grinding machine, and the first fixing piece and the second fixing piece are arranged in a concentric manner;

referring to fig. 2, the polishing apparatus further includes a fixing plate, a plurality of cavities 2.1 for accommodating the product holders are formed in the fixing plate at intervals, the number of the fixing plates is multiple, the fixing plates are circumferentially arranged between the first fixing member and the second fixing member at intervals, and the fixing plates are connected with the first fixing member and the second fixing member in a clamping manner.

The first fixing part is specifically a first toothed body 5.1, the second fixing part is specifically a second toothed body 5.2, the fixing plate is specifically a toothed plate 2, referring to fig. 2 and 3, a tooth structure which is matched and meshed with the first toothed body 5.1 and the second toothed body 5.2 is arranged on the periphery of the toothed plate 2, and when the upper disc 4 and the lower disc 5 of the grinding machine rotate reversely, the toothed plate 2 can be firmly locked at one position, so that the high efficiency and the safety of the polishing operation are ensured. In addition, the setting of pinion rack 2 has guaranteed that a plurality of product anchor clamps 3 can be polished by the while when the sponge polishing dish rotates.

The toothed plate 2 is of a circular structure.

Die cavity 2.1 is the through-hole structure, and the product anchor clamps 3 of being convenient for are got fast and are put, have improved the operating efficiency greatly, burnishing device still includes bottom plate (not shown in the figure), the quantity of bottom plate is the same with the quantity of pinion rack 2 and corresponds in the below of each pinion rack 2 and set up a bottom plate, the bottom plate is circular structure and is equipped with at its periphery and matches the tooth structure of meshing with first dentate 5.1 and second dentate 5.2, the setting of bottom plate, very big reduction when the polishing operation, product anchor clamps 3 hold the wearing and tearing of its bottom in cavity die cavity 2.1.

And damping cloth (not shown in the figure) is arranged on the inner bottom surface of the product clamp 3 and is used for avoiding the abrasion of the bottom of the product clamp 3 to a product during polishing operation.

The flexible polishing disc 1 is a sponge polishing disc, and the thickness of the sponge polishing disc is 25 mm.

The flexible polishing disc 1 is in a circular plate shape, and the flexible polishing disc 1 is tightly attached to the upper disc 4 of the grinding machine through a magic tape.

The central position on the mill lower disc 5 is also provided with a height-adjustable limiting boss 6, the top of the limiting boss 6 is abutted to the mill upper disc 4, and the limiting boss 6 is used for limiting the distance between the mill upper disc 4 and the mill lower disc 5 during polishing operation, so that the lower surface of the sponge polishing disc is ensured to be lower than the product clamp 3 by 2.0-2.5 mm.

Spacing boss 6 includes base 6.1 and fixes center pin 6.2 on base 6.1, and base 6.1 is equipped with cylindric of first hole for the center and fixes on the mill lower wall, and center pin 6.2 includes pole portion and the flange that is formed at pole portion top, and pole portion cartridge is in base 6.1's first hole, and the cover is equipped with annular gasket 6.3 in the pole portion, and gasket 6.3 is located between base 6.1 and the flange, realizes altitude mixture control through the increase and decrease of gasket 6.3 quantity.

In the polishing operation, the present embodiment includes the steps of, first, assembling the polishing apparatus; secondly, regulating and controlling parameters, specifically, controlling the rotating speeds of the upper disc 4 and the lower disc 5 of the mill to be 30 +/-5 r/min, controlling the upper disc 4 and the lower disc 5 of the mill to rotate reversely, controlling the air pressure of the mill to be 150kg, and controlling the polishing time to be 400 seconds; and finally, starting the grinding machine to finish the polishing operation. In the embodiment, after the product 7 is strengthened for the 1 st time, in order to ensure the central stress of the product 7, the polishing device is used for polishing the concave-convex surface of the product 7 for the 1 st time, and the polishing device is used for treating the shallow scratches and microcracks on the surface of the product 7; after the product 7 is strengthened for the 2 nd time, a polishing device is adopted to polish the concave-convex surface of the product 7 for the 2 nd time in order to improve the surface stress of the product, and the extrusion force, the ball falling test and other items of the product 7 are improved. In the embodiment, after the product 7 is polished twice by the flexible polishing disk of the polishing device, especially by the sponge polishing disk, the performance of the product 7 can be effectively improved, and the surface strength of the product 7 is improved. In addition, it should be noted that, before the polishing operation, if the product clamp 3 is used for the first time, the polishing device needs to be started to perform the empty sweeping process on the product clamp 3, so as to remove the burr on the edge of the product clamp 3, and improve the subsequent polishing yield of the product 7.

According to the 3D watch mirror surface product polished by the embodiment, the sponge polishing disc is arranged, so that the surface to be polished of the 3D watch mirror surface can be completely contacted with the sponge polishing disc during polishing, the polishing removal amount reaches 0.003-0.005mm, scratches caused by shallow scratches can be completely polished, and the inspection yield of white sheets is improved; can also effectively get rid of the crazing line, ensure the utility model discloses the test of the 3D wrist-watch mirror surface product surface stress after the polishing can pass through.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A polishing device is characterized by comprising a flexible polishing disk and a positioning piece, wherein the flexible polishing disk is arranged at the bottom of an upper disk of a grinding machine in a clinging manner, the positioning piece is arranged on a lower disk of the grinding machine and is used for fixing a limiting product, a plurality of through holes for polishing liquid to flow in are formed in the upper disk of the grinding machine, and alignment holes with the same diameter and corresponding to the positions of the through holes in the upper disk of the grinding machine are formed in the flexible polishing disk; the flexible polishing disc is integrally flat-shaped and is made of flexible materials.

2. The polishing device according to claim 1, wherein the positioning member comprises a first fixing member circumferentially arranged on the periphery of the lower disc of the mill and a second fixing member circumferentially arranged in the middle of the lower disc of the mill, and the first fixing member and the second fixing member are concentrically arranged;

burnishing device still includes the fixed plate be equipped with a plurality of die cavities that are used for holding product anchor clamps on the fixed plate at the interval, the quantity of fixed plate is a plurality of, and the hoop interval sets up between first mounting and second mounting, the fixed plate is connected with first mounting and second mounting block.

3. The polishing device according to claim 2, wherein the first fixing member is a first toothed body, the second fixing member is a second toothed body, the fixing plate is a toothed plate, and the periphery of the toothed plate is provided with a tooth structure that is in matching engagement with the first toothed body and the second toothed body.

4. A polishing system in accordance with claim 3 wherein said tooth plate is of circular configuration.

5. The polishing device according to claim 4, wherein the cavity is a through hole structure, the polishing device further comprises a bottom plate, the number of the bottom plates is the same as that of the tooth plates, one bottom plate is correspondingly arranged below each tooth plate, the bottom plate is a circular structure, and the periphery of the bottom plate is provided with a tooth structure which is matched and meshed with the first tooth-shaped body and the second tooth-shaped body.

6. The polishing apparatus as recited in claim 2, wherein a damping cloth is provided on an inner bottom surface of the product holder.

7. The polishing apparatus as recited in any one of claims 1 to 6, wherein the flexible polishing disk is a sponge polishing disk.

8. The polishing device as recited in claim 7, wherein the flexible polishing disk is tightly attached to the upper disk of the polishing machine by means of hook and loop fasteners.

9. The polishing device of claim 8, wherein a height-adjustable limiting boss is further arranged at the central position of the lower grinding disc, and the top of the limiting boss abuts against the upper grinding disc.

10. The polishing device as claimed in claim 9, wherein the limiting boss comprises a base and a central shaft fixed on the base, the base is cylindrical with a first hole at the center and is fixed on the lower disc of the mill, the central shaft comprises a rod part and a flange formed at the top of the rod part, the rod part is inserted into the first hole of the base, the rod part is sleeved with a circular gasket, the gasket is positioned between the base and the flange, and the height adjustment is realized by increasing or decreasing the number of the gaskets.