CN115179207A

CN115179207A - Diamond grinding disc integrated with grinding head

Info

Publication number: CN115179207A
Application number: CN202210721373.2A
Authority: CN
Inventors: 王兴玺; 周晓勇; 王晶晶
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-05
Filing date: 2022-06-05
Publication date: 2022-10-14

Abstract

The name is a diamond grinding disc integrated with a grinding head. The technical field is a diamond grinding disc which is used together by matching with magic tapes to be mutually attached and hooked at present. The technical problem to be solved is to omit the use of a magic tape. The technical scheme for solving the technical problem is characterized in that a screw hole is formed in the grinding head, a screw is arranged in the screw hole, and directly connected grinding particles are arranged on the plane part of the grinding head. Compared with the prior art, the polishing machine has the advantages that the problem that a grinding layer and a grinding head are not concentric in the using process is solved, the polishing machine is stable in operation, and the polishing machine is convenient to use. The plane position seamless combination of this scheme grinding granule and bistrique, the plane operation is ground, and the operation is light, operates steadily. The ground surface is very flat after grinding, the processed surface is smoother, and the use is convenient. The whole plane is polished and polished in a flatness way, so that the bright and smooth decorative effect can be achieved more easily.

Description

Diamond grinding disc integrated with grinding head

Technical Field

The invention provides a technical scheme for protecting, and belongs to the technical field of diamond grinding discs which are not sand paper, grinding wheels, cutting grinding discs and bowl grinding discs and need to be matched with magic tapes for mutual sticking and hooking.

Background

The present invention introduces the prior art through patent documents.

First, grinding particles, also called abrasive particles, are described. The grinding particles are not single but plural, and plural grinding particles constitute a grinding particle layer (grinding particle surface). The abrasive particles may be in various shapes, and the plurality of abrasive particles may be arranged in various ways. The grinding particles can be better understood by the following appearance patent application documents:

CN201230357969.6

CN201930133323.1

CN201930133325.0

CN201930133321.2

CN201930133507.8

CN201930133354.7

CN201930207917.2

CN201230357970.9

the base cloth and the magic tape can be understood from the side, rear and perspective views of the following patent application documents.

CN202230035486.8

CN201930397357.1

CN201330624779.0

CN201330624808.3

CN201330624811.5

CN202130574182.4

The grinding head, the magic tape on one side of the grinding head and the threaded hole on the grinding head, as well as the polishing machine (angle grinder) and the lead screw thereon, can be understood from the following patent application documents.

CN201930142307.9 (polishing head of polisher)

CN202030716151.3 (grinding head)

CN201420674695.7 (grinding head for grinder)

Different names for sanding machines or similar products are grinders, angle grinders, grinders or polishers, etc.

In the prior art, the grinding plate, the grinding head and the polishing machine are independent from each other and are (temporarily) assembled together when in use.

In the prior art, the abrasive sheet generally comprises abrasive grains, a base cloth and a magic tape (one side); the grinding head generally comprises a magic tape (the other surface), a main body and a threaded hole; the polishing machine comprises a screw rod and the like.

Patent application document CN201921213382.0 (a new stone grinding and polishing dry grinding sheet) has the following description in paragraph [0015] of the specification (example):

paste nylon cloth with the gum and paste the upper surface that the magic pasted the adhesive cloth, with artificial diamond and carborundum, phenolic resin and epoxy and curing agent mixing combined material, outwards be radial crowded nylon cloth upper surface with the pilot hole of base member body with artificial diamond combined material, it solidifies into the solid to stew on nylon cloth, form a plurality of abrasive brick of opening in between, there is 2 not beads of co-altitude above every abrasive brick at least, from the colluding cloth part that has one deck magic subsides on the grinding head of machine that grinds, paste the magic of dry abrasive disc and glue on colluding cloth on the grinding head of adhesive cloth, the pilot hole card of dry abrasive disc is on the grinding head, make the dry abrasive disc further fixed, guarantee can not do not dry the abrasive disc and can not break away from at the grinding head rotation in-process.

The grinding head of the grinder is provided with a cloth hooking part with a layer of magic tape. The grinding machine and the grinding head are also temporarily assembled together here, because there are many other uses of the grinding machine, and it is impossible to permanently integrally mount the grinding head with the hook and loop fastener to the grinding machine. At least the grinding heads are not directly connected with the grinding plates.

The applicant (i) previously filed CN202011101340.5 (a dry abrasive flake which makes the thickened abrasive flake less prone to shedding particles). In paragraphs [0010], [0011] and [0012] of the "summary of the invention" section of the CN202011101340.5 document, there are following three paragraphs of text descriptions:

1. the resin contained in the abrasive flake particles and the resin as the coating layer have different technical effects, and the resin in the abrasive flake particles mainly functions in combination with the adhesion of the abrasive component for grinding. The coating resin is mainly used for enhancing the overall strength of the base cloth and enhancing the bonding strength between the abrasive disc particles and the base cloth.

2. Before the mold is used for manufacturing the abrasive disc particles, resin is coated on the surface of the base cloth to form a resin coating, and when the mold is pressed on the resin coating of the base cloth to manufacture the abrasive disc particles (namely, the abrasive disc particles are manufactured before the resin is cured), the paste state of the abrasive disc particles before curing and forming and coating resin which is not cured are mutually bonded and cured together, so that the effect that the abrasive disc particles are not easy to fall off can be achieved more firmly.

3. The coating resin is located on the surface of the base cloth between the base cloth and the abrasive sheet particles, but not on the other side of the base cloth (not on the bottom surface of the base cloth). The base cloth (i.e. carrier) is cotton cloth or canvas or hook layer cloth, etc., and the base cloth does not comprise a connecting piece such as a magic tape, etc. The abrasive sheet particles, resin coating and backing together comprise an abrasive layer (the abrasive layer comprising a carrier backing). And (3) gluing the bottom surface of the base cloth to ensure that the grinding material layer is fixedly connected with a connecting piece (Velcro, napped cloth and the like) to form a finished dry grinding sheet. The power transmission parts (angle grinder, etc.) are also provided with magic tape napping cloth, etc. so that the napping surfaces and the hooking surfaces of the two magic tapes are mutually attached and hooked together; the external power transmission spare of abrasive disc connecting piece realizes the abrasive disc and rotates. If the abrasive material layer and the connecting piece are fixedly connected by resin (namely, resin is coated on the bottom surface of the base cloth), the position for coating the resin (and the bonding structure formed between the resin coating and the related body) is different from the position for coating the resin in the scheme, and the technical effect of the scheme cannot be achieved only by the fixed connection of the resin between the abrasive material layer and the connecting piece.

It is mentioned that there is also a napping cloth of hook and loop fastener on the power transmission element (angle grinder, etc.) so that the two hook and loop fastener's napped surface and loop fastener' are adhered and hooked together. The term "on the drive element (angle grinder, etc.)" as used herein also means that there is a hook and loop fastener on the grinding head, and not on the drive spindle of the angle grinder, since the grinding head may also be referred to as a drive element or a coupling element. Furthermore, in this document, it is explicitly mentioned that "the abrasive layer is fixedly connected to the connecting member (such as velcro), so the art of this document does not omit velcro.

Patent application document CN201920915090.5 (a diamond abrasive disc) in paragraph [0027] of the example, a vacuum chuck is mentioned. The vacuum suction cup replaces a magic tape. However, the vacuum cup still functions like a magic tape, but is an equivalent alternative, rather than being omitted. The scheme of the invention is to omit the magic tape. In addition, the vacuum chuck and the diamond abrasive disk in the document are independent from each other, rather than integrated.

When the existing grinding disc is used, a magic tape (one surface) of the grinding disc and a magic tape (the other surface) on a grinding head are mutually hooked and assembled, and then the grinding disc is installed on a screw rod of a polishing machine (an angle grinder).

The defects of the prior art are as follows: when the two sides of the magic tape are buckled and connected, the magic tape is not easy to be installed correctly, is not easy to be concentric, has offset gravity center, is easy to shake a polishing machine in the using process, leads to user dissatisfaction, and cannot be solved in the production industry all the time. In addition, the existing grinding sheet has cloth (positive and negative magic tapes) which are buckled and connected with each other, and because the cloth is soft and elastic, the grinding sheet is uneven, and the ground plane is not flat enough.

The firm degree of the connecting structure of the magic tape is low, the diamond abrasive disc is easy to throw off when the diamond abrasive disc is polished in a high-speed rotating mode, the concentricity when the diamond abrasive disc is attached is broken away, vibration is large, and the whole ground surface is lack of flatness.

The rough surface and the hook surface of the magic tape are generally made of nylon (nylon PA6 melting point is 220 ℃, PA66 melting point is 260 ℃) and the normal use temperature cannot exceed 200 ℃. The high temperatures generated during continuous grinding of the abrasive sheet are sufficiently in excess of 300 degrees to result in frequent replacement of abrasive sheets or abrasive tips during use.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a diamond grinding disc integrated with a grinding head.

The invention solves the technical problem by adopting the technical scheme that a grinding head is provided with a threaded hole, and the grinding head is characterized in that: the wire hole is provided with a wire, and the plane part of the grinding head is provided with directly connected grinding particles.

The differences according to the embodiments may be further limited as follows:

the mounting surface of the grinding head is a plane.

The mounting surface of the grinding head is provided with a convex part.

The mounting surface of the grinding head is provided with a concave part.

The thread hole is internally provided with a thread which is a thread tooth and is equivalent to a thread in the nut.

Explanation on "mounting surface of grinding head": refers to the face of the grinder to which the grater is mounted.

Explanation on "plane portion of the grinding head": the plane here may be a mirror, but is not limited to a mirror; the "flat portion of the grinding head" is a location portion, which means that the grinding head is mounted on the back of the face of the grinder, not the characteristic "flat". Therefore, if there are depressions or projections or various shapes, they belong to the "plane part of the grinding head".

The invention aims at the existing grinding sheet which needs to be matched with a magic tape for use at present.

The invention omits the use of a magic tape. The grinding particles and the grinding head with the threaded hole are of a permanent integrated structure, and no magic tape is inserted between the grinding particles and the grinding head with the threaded hole.

The grinding head is provided with a screw hole and can be arranged on a screw rod (an output shaft bolt) of a polishing machine (an angle grinder).

Compared with the prior art, the invention solves the problem of non-concentricity in the use process, so that the polishing machine can stably run and is convenient to use. The grinding particles are seamlessly combined with the plane part of the grinding head, the plane runs for grinding, the operation is easy, and the running is stable.

The ground surface is very flat after grinding, the processed surface is more flat, and the use is convenient. The whole plane is polished and polished in flatness, so that the bright and flat decorative effect can be achieved more easily.

The grinding plate created by the invention is not sand paper, is not a grinding wheel, is not a cutting grinding plate, and is not a bowl grinding plate. The grinding disc created by the invention does not need a threaded pressing plate (a nut pressing plate) and a wrench for installation, and can be directly screwed on a screw rod of a polishing machine by hand.

The invention provides a grinding sheet without cutting function. The invention creates a single-side grinding surface (without the possibility of double-side grinding). The invention provides a grinding sheet which is not a sand planting process.

The grinding layer created by the invention is generally grinding particles with the height of 1.2-6 mm (even more than 6 mm), is grinding particles needing pouring, is not provided with sand paper, and is irrelevant to the creation of the invention (without conflict) in all the sand paper installation or sand planting processes. The invention creates grinding particles without limitation as to length, width or peripheral shape.

The grinding layer created by the invention is a plurality of grinding particles with interval gaps, the height of the gaps is generally 1.2 mm-6 mm (even more than 6 mm), and if the whole surface is a grinding layer which is approximately flatly laid on a plane, the grinding layer is irrelevant to (conflict-free) creation of the invention.

The grinding wheel has the possibility of double-sided grinding surfaces, so the grinding wheel is irrelevant to the invention, and the possibility of double-sided grinding surfaces does not exist in the invention.

Various types of grinding plates (including but not limited to grinding wheels) with cutting functions are irrelevant to the invention.

Although the grinding wheel, the cutting grinding plate and the bowl grinding plate have mounting holes in the middle, the mounting holes are not provided with wires generally, and a wire pressing plate and a wrench are required to be matched for mounting, or the grinding wheel is never required to be matched with a magic tape since the advent. After these "wire" free mounting holes are provided with a "threaded press plate" by the feed screw of the grinder, the "threaded press plate" tends to protrude (above) the grinding surface and to fail full surface (full surface contact) grinding.

The central mounting "hole" of a bowl plate is similar to a "bowl" so that the "wire pressure plate" does not protrude (rise) above the grinding surface, but such "bowl" shaped mounting "hole" takes up too much surface area, resulting in insufficient grinding surface area. In addition, since the bowl-shaped grinding plate is not needed to be matched with a magic tape since the coming of the world, the bowl-shaped grinding plate does not conflict with the technical scheme of 'omitting the magic tape' created by the invention.

Compared with the situation that the mounting 'holes' on the grinding wheel, the cutting grinding disc and the bowl grinding disc are positioned on the 'base body' and not on the 'grinding head', the invention is a different technical scheme.

Drawings

Fig. 1 is a schematic diagram of one of the present solutions.

Fig. 2 is a schematic diagram of one of the present solutions.

Fig. 3 is a schematic diagram of one of the present solutions.

Other equivalent figures can be listed according to different embodiments of the scheme.

In the figure: 1. grinding heads; 2. threading holes; 3. and (5) grinding the particles.

The abrasive particles may be of different shapes, numbers and arrangements and are not limited to those shown in the drawings.

Detailed Description

The preferred embodiments of the present invention will be described below by way of example with reference to the accompanying drawings.

Generally, a grinding head with a threaded hole is manufactured, and then grinding particles are directly arranged on the grinding head, namely: and (5) integral casting molding. Or, a grinding head with a threaded hole is firstly made, and then grinding particles are directly bonded for solidification.

The grinding particle raw material contains a bonding agent, and no additional glue is needed (between the grinding particles and the grinding head) during pouring. Of course, additional glue may be added.

The screw hole is a nut hole with a screw and is used for being arranged on a screw rod of a polishing machine.

The screw hole is positioned in the center of the grinding head, can be a hole directly formed on the grinding head, and can also be additionally provided with a nut made of metal and the like.

The first embodiment is as follows:

a grinding head 1 with a threaded hole 2 is placed on a forming die for grinding particles, the die is closed, raw materials of the grinding particles 3 are poured into the die, and after solidification, the die is removed.

Example two:

after a grinding head 1 with a screw hole 2 is manufactured, a mould for grinding particles is buckled on the plane part of the grinding head 1, the mould is closed, a casting material for grinding the particles 3 is poured into the mould, and after solidification, the mould is removed.

Example three:

casting a raw material of grinding particles 3 in a grinding particle forming mould, then placing the forming mould of a grinding head 1 on the grinding particle forming mould, closing the mould, performing secondary casting, curing and forming, demoulding and then making a screw hole 2.

Claims

1. The utility model provides a diamond abrasive disc integrative with bistrique, has screw hole (2) on bistrique (1), its characterized in that: the wire hole (2) is internally provided with a wire, and the plane part of the grinding head (1) is provided with directly connected grinding particles (3).

2. A diamond grinding chip integrated with a grinding head according to claim 1, wherein: the mounting surface of the grinding head is a plane.

3. A diamond grinding chip integrated with a grinding head according to claim 1, wherein: the mounting surface of the grinding head is provided with a convex part.

4. A diamond grinding chip integrated with a grinding head according to claim 1, wherein: the mounting surface of the grinding head is provided with a concave part.