CN216265453U

CN216265453U - Fine grinding polishing leather and polishing equipment

Info

Publication number: CN216265453U
Application number: CN202122409214.2U
Authority: CN
Inventors: 汪福安; 张围祥
Original assignee: Dongguan Hongyu Precision Electronic Technology Co ltd
Current assignee: SHENZHEN PARDANG TECHNOLOGY CO LTD
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-04-12
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a fine grinding polishing leather and polishing equipment, which comprises: a polyurethane foam layer; the damping cloth layer is arranged on one side of the polyurethane foaming layer and comprises a polishing surface, the polishing surface is provided with a groove, and the depth of the groove is 0.2mm to 0.4 mm; a magic tape layer for fixing the polishing leather; the hardness of the damping cloth layer is 25 +/-5 HC, the thickness of the fine polishing leather is 7.5 +/-1 mm, the fine polishing leather is circular, and the diameter of the fine polishing leather is 150 +/-1 mm; the polishing leather is installed on the polishing equipment, and the polishing equipment includes the hook cloth layer, and the magic is pasted the layer and is the cotton flannel layer, and the cotton flannel layer can be dismantled with the hook cloth layer and be connected. Compared with the prior art, the polishing leather can polish the surface of a product in a nanometer level, and a smooth mirror surface is achieved, so that the polishing effect is guaranteed.

Description

Fine grinding polishing leather and polishing equipment

Technical Field

The utility model relates to the field of polishing machining, in particular to a fine grinding polishing leather and polishing equipment.

Background

Along with the rapid development of electronic products such as smart phones and tablet computers, the requirements of the electronic products on intelligent precision polishing and grinding services are higher and higher, polishing and grinding materials cannot be separated from the electronic products in the polishing and grinding process, polishing leather is usually used for polishing the electronic products at the present stage, the types of the polishing leather on the market mainly comprise damping cloth, polyurethane and the like, but the existing polishing leather cannot meet the requirements of people on high surface gloss, the polishing effect is poor, and the yield is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fine grinding polishing leather and polishing equipment, which solve the technical problem of poor polishing effect of the polishing leather in the prior art.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a fine abrasive polishing skin, comprising: a polyurethane foam layer; the damping cloth layer is arranged on one side of the polyurethane foaming layer and comprises a polishing surface, and the polishing surface is provided with a plurality of grooves; and the magic tape layer is used for fixing the polished leather and is arranged on the other side of the polyurethane foaming layer relative to the damping cloth layer.

Furthermore, a plurality of the grooves are arranged in a grid shape.

Preferably, the depth of the groove is 0.2mm to 0.4 mm.

Preferably, the damping cloth layer has a hardness of 25 ± 5 HC.

Preferably, the thickness of the fine polishing leather is 7.5 +/-1 mm.

Preferably, the polishing leather of the fine grinding is round, and the diameter of the polishing leather is 150 +/-1 mm.

Furthermore, the damping cloth layer and the polyurethane foaming layer are bonded and fixed.

Furthermore, the magic tape layer and the polyurethane foaming layer are bonded and fixed.

Further, the polishing leather is arranged on polishing equipment, and the polishing equipment comprises a hooking cloth layer; the magic tape layer is a flannelette layer, and the flannelette layer is detachably connected with the hook cloth layer.

Has the advantages that: compared with the prior art, the utility model provides a novel fine grinding polishing leather, wherein a plurality of grooves are formed in the polishing surface of a damping cloth layer, polishing liquid can conveniently circulate on the surface of a workpiece through the grooves, large-particle and fine scraps generated in the polishing process can be discharged through the grooves, the surface of the workpiece is prevented from being scratched by the fine scraps, meanwhile, a polyurethane foaming layer can be fully attached to the surface of the workpiece through extrusion, air is discharged through holes of the polyurethane foaming layer, the surface is ensured to be flat and free of air bubbles after being attached, and the designed polishing leather can be used for polishing the surface of the product in a nano-scale manner, so that a bright and clean mirror surface is achieved, and the polishing effect is ensured.

Drawings

FIG. 1 is a schematic side view of a polishing skin according to the present invention.

FIG. 2 is a schematic view of a top down configuration of a polishing skin of the present invention.

Wherein the main reference numerals in the present application include:

1. a damping cloth layer; 11. a groove; 2. a polyurethane foam layer; 3. magic tape layer.

Detailed Description

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

The utility model provides a fine grinding polishing leather, as shown in figures 1 and 2, the polishing leather comprises three parts, namely a damping cloth layer 1, a polyurethane foaming layer 2 and a magic tape layer 3, wherein the damping cloth layer 1, the polyurethane foaming layer 2 and the magic tape layer 3 are sequentially arranged, the damping cloth layer 1 and a workpiece to be processed rub to perform polishing work, the polyurethane foaming layer 2 has certain hardness to serve as a supporting framework and has a buffering function, and the magic tape layer 3 is used for being fixed with a grinding machine; when the polishing device works, the fine grinding polishing leather is pasted on the polishing device (the polisher), the workpiece is physically polished by utilizing the high-speed rotation of the polishing device after contacting the workpiece, and the surface of the workpiece is subjected to highlight treatment by utilizing the matching of the damping cloth layer 1 and the polishing solution.

Wherein, damping cloth layer 1 adopts ripe material and technology to make on the market, damping cloth layer 1's key feature lies in this application, a plurality of recess 11 has been seted up on damping cloth layer 1's the polished surface, when polishing, need supply polishing solution between damping cloth layer 1 and work piece, these recess 11 can be convenient for the polishing solution and circulate on the work piece surface, can also discharge the large granule shred that produces at the in-process of polishing through recess 11, avoid the shred to cause the fish tail to the work piece surface, the damping cloth under this design can carry out nanometer polishing to the product surface, reach bright and clean mirror surface, thereby guarantee polishing effect.

Preferably, the grooves 11 on the surface of the damping cloth layer 1 are uniformly arranged in a grid shape, so that the surface of the workpiece can be polished more uniformly and uniformly; the depth of the groove 11 is 0.2mm to 0.4mm, and the hardness of the damping cloth layer 1 is 25 +/-5 HC, so that the polishing effect on the workpiece can be well ensured under the design, and the damping cloth layer 1 can polish the workpiece to the optimal state, including the optimal state of smoothness, the optimal state of uniformity and the optimal state of scratches.

And polyurethane foam layer 2 itself possesses certain hardness, and polyurethane foam layer 2 surface is comparatively level and smooth, be equipped with very porous in polyurethane foam layer 2 simultaneously, make polyurethane foam layer 2 have certain elasticity, reach the effect of buffering, when polishing, polyurethane foam layer 2 receives the extrusion can produce the deformation identical with the shape between the workpiece surface, abundant laminating with the workpiece surface, and utilize polyurethane foam layer 2's hole when laminating, do the exhaust effect, guarantee to level and have no bubble after the surface laminating, further guaranteed the effect of polishing.

Further, magic subsides layer 3 is the cotton flannel layer, and the polishing skin is installed on the polisher, and the polisher includes the hook cloth layer, and the cotton flannel layer can be fixed with the laminating of hook cloth layer together, when changing the polishing skin, only need tear the polishing skin can.

Preferably, the thickness of the polishing skin is 7.5 + -1 mm, and the polishing skin is circular and has a diameter of 150 + -1 mm.

Further, the damping cloth layer 1 and the polyurethane foam layer 2 are bonded and fixed, and the magic tape layer 3 and the polyurethane foam layer 2 are bonded and fixed, so that when the polishing leather needs to be replaced after long-time use, the damping cloth layer 1 only needs to be torn down and replaced; and when the magic tape layer 3 became invalid, only need to change the magic tape layer 3 can, set up very big saving manufacturing cost like this.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A fine abrasive polishing skin, comprising:

a polyurethane foam layer (2);

the damping cloth layer (1) is arranged on one side of the polyurethane foam layer (2), the damping cloth layer (1) comprises a polishing surface, and the polishing surface is provided with a plurality of grooves (11);

and the magic tape layer (3) is used for fixing the polished leather and is arranged on the other side of the polyurethane foaming layer (2) relative to the damping cloth layer (1).

2. The fine grinding polishing skin according to claim 1, characterized in that a plurality of said grooves (11) are arranged in a grid.

3. The fine grinding polishing skin according to claim 1, characterized in that the depth of the grooves (11) is 0.2mm to 0.4 mm.

4. The fine grinding polishing pad according to claim 1, wherein the damping cloth layer (1) has a hardness of 25 ± 5 HC.

5. The fine abrasive polishing skin of claim 1, wherein the fine abrasive polishing skin has a thickness of 7.5 ± 1 mm.

6. The fine abrasive polishing skin of claim 1, wherein said fine abrasive polishing skin is circular and has a diameter of 150 ± 1 mm.

7. The fine grinding polishing skin according to claim 1, characterized in that the damping cloth layer (1) and the polyurethane foam layer (2) are adhesively fixed.

8. The fine grinding polishing skin according to claim 1, characterized in that the magic tape layer (3) and the polyurethane foam layer (2) are adhesively fixed.

9. A polishing apparatus, characterized in that the polishing skin according to any one of claims 1 to 8 is mounted on a polishing apparatus comprising a cloth hooking layer; the magic tape layer (3) is a flannelette layer, and the flannelette layer is detachably connected with the hook cloth layer.