CN213380969U

CN213380969U - Grinding head

Info

Publication number: CN213380969U
Application number: CN202022217435.5U
Authority: CN
Inventors: 璧靛嘲; 赵峰
Original assignee: Zhuozhou Xingfeng Aerospace Technology Co Ltd
Current assignee: Zhuozhou Xingfeng Aerospace Technology Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-08
Anticipated expiration: 2030-09-30

Abstract

The utility model provides a grinding head, belonging to the technical field of processing workpieces, comprising a base body, a cylindrical grinding part, wherein the grinding part is positioned at the end part of the base body, and an arc angle is arranged at the intersection of the top surface and the side surface of the grinding part; and diamond dust attached to and spread over the grinding portion. Aims to provide a grinding head with higher hardness, high abrasion resistance and long service life.

Description

Grinding head

Technical Field

The utility model belongs to the technical field of the processing work piece, more specifically say, relate to a grinding head.

Background

Grinding head is the grinding tool who uses commonly in the workshop, fixes it on the lathe, treats through rotating and polishes and grind the piece, makes it can satisfy the operation requirement, and traditional grinding head life is short, and processing is got up often because hardness can not suffer excessive wearing and tearing for the change frequency is higher, has not only increased the processing cost, has reduced machining efficiency moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grinding head, it is great to aim at providing a hardness, and the degree of resistance to wears is high, long service life's grinding head.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a grinding head comprising:

the grinding device comprises a base body and a grinding part, wherein the base body is provided with a cylindrical grinding part, the grinding part is positioned at the end part of the base body, and an arc angle is arranged at the intersection of the top surface and the side surface of the grinding part; and

and carborundum attached to and distributed over the grinding part.

Preferably, the diamond grains are attached to the grinding end by a brazing process.

Preferably, the substrate is a columnar structure with a circular cross section.

Preferably, the material of the substrate is steel.

Preferably, the radius R corresponding to the arc angle is 0.5 mm.

Preferably, the base body is internally provided with a cooling hole for cooling liquid to flow in.

Preferably, the cooling hole includes main hole and wing hole, the main hole set up on the base member and be located with on the relative side end face of grinding portion, the main hole does not communicate the end face of grinding portion, the wing hole with the main hole is linked together and the opening is located the side of base member.

Preferably, the wing holes are arranged along the length direction of the main hole.

Preferably, the wing hole extends obliquely from a communication end with the main hole to an end opposite to the grinding part.

Preferably, the included angle between the wing hole and the main hole is 45 degrees.

The utility model discloses a grinding head, beneficial effect lies in: the grinding part of the grinding head is brazed with the carborundum, the strength of the carborundum is high, the hardness is high, the abrasion resistance degree is high, the service life of the grinding head is effectively prolonged, and the carborundum is attached to the grinding part and is distributed on the grinding part in a plurality of point-shaped structures, so that the friction force is increased during grinding, and the grinding effect is greatly increased.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of a grinding head according to an embodiment of the present invention;

fig. 2 is a schematic front view of a grinding head according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional structure of fig. 2.

In the figure, 1 is a substrate, 2 is a grinding part, 3 is carborundum, 4 is a main hole, and 5 is a wing hole.

Detailed Description

The present invention provides a grinding head, which will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, 2 and 3, the present invention provides a grinding head, including:

the grinding device comprises a base body 1 and a grinding part 2, wherein the base body 1 is provided with a cylindrical grinding part 2, the grinding part 2 is positioned at the end part of the base body 1, and an arc angle is arranged at the intersection of the top surface and the side surface of the grinding part 2; and

and diamond grains 3 attached to and distributed over the grinding portion 2.

In the present embodiment, a grinding head is provided, the base body 1 is used for connecting with a lathe, the base body 1 can be any shape capable of connecting with a matched lathe, but at least comprises a cylindrical grinding part 2, and the grinding part 2 is positioned at the end part of the base body 1 for grinding.

In order to realize the wear-resistant effect of the substrate 1, the embodiment provides that the grinding part 2 is provided with the diamond grains 3, the diamond grains 3 are silicon carbide generated by reaction of silicon dioxide and carbon at high temperature, the hardness is second to diamond, boron carbide and cubic boron nitride, the fourth row is made in an inorganic material, the diamond grains 3 are ground through the diamond grains 3 after being attached to the grinding part 2, the wear resistance is greatly increased, the whole grinding part 2 is fully distributed with the diamond grains 3, the surface of the grinding part 2 is in a concave-convex surface, the friction force is also increased, and the grinding effect is greatly improved.

Meanwhile, in the embodiment, the carborundum 3 is attached to the grinding part 2 in a brazing mode, the carborundum 3 and the grinding part 2 can be well connected through brazing, and the attachment strength is extremely high.

The arc angle is arranged for realizing stable transition, a vertical corner cannot be formed between the top surface and the side surface, and the diamond dust 3 is also attached to the arc angle, so that the arc angle can be polished.

As a further preferred implementation of the above example, the diamond grains 3 are attached to the grinding end by a brazing process.

This embodiment greatly increases the adhesion of the diamond grains 3 to the grinding portion 2.

As a more preferable embodiment of the above embodiment, the substrate 1 has a columnar structure with a circular cross section.

In the present embodiment, the base 1 is cylindrical in shape and is a preferred embodiment of the present embodiment in order to accommodate the connection of most lathes.

In a more preferred embodiment of the above embodiment, the base 1 is made of steel. The steel has high hardness, good wear resistance and corrosion resistance, and can be firmly connected with the carborundum 3 in a brazing mode.

As a more preferable embodiment of the above embodiment, the radius R corresponding to the arc angle is 0.5 mm.

As a more preferable embodiment of the above embodiment, the base body 1 is provided with a cooling hole for allowing a cooling liquid to flow therein.

After the grinding head is used, cooling liquid can be filled into the cooling hole, so that the cooling is realized in a short time, and the change of physical and chemical properties caused by high temperature is avoided.

As a further preferable embodiment of the above embodiment, the cooling hole includes a main hole 4 and a wing hole 5, the main hole 4 is opened on the base 1 and is located on an end surface on a side opposite to the grinding part 2, the main hole 4 is not communicated with the end surface of the grinding part 2, and the wing hole 5 is communicated with the main hole 4 and has an opening located on a side surface of the base 1.

In the present embodiment, the coolant is filled into the main hole 4, the coolant fills the main hole 4, the wing holes 5 are sequentially filled with the coolant as the liquid level rises, and the grinding head is inverted, so that the coolant stays in the wing holes, thereby reducing the temperature.

As a further preferable embodiment of the above embodiment, the wing holes 5 are plural, and the wing holes 5 are arranged along the longitudinal direction of the main hole 4.

As a more preferable embodiment of the above embodiment, the wing hole 5 extends obliquely from a communication end with the main hole 4 to an end opposite to the grinding part 2.

As a further preferable embodiment of the above embodiment, an angle between the wing hole 5 and the main hole 4 is 45 degrees.

In order to realize that the cooling liquid can stay in the wing holes 5, the cooling liquid is obliquely arranged, so that after the grinding head is inverted, the cooling liquid can be kept to be full of the wing holes 5 and stay in the wing holes 5 for a long time, and heat absorption and cooling operation are carried out.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A grinding head, comprising:

and the carborundum is attached to and distributed on the grinding part through a brazing process.

2. The grinding head of claim 1 wherein the substrate is a columnar structure having a circular cross-section.

3. The grinding head of claim 1 wherein the substrate is steel.

4. The grinding head of claim 1 wherein the radius R for the radiused corner is 0.5 mm.

5. The grinding head of claim 1 wherein the base body is internally provided with cooling apertures for the inflow of cooling fluid.

6. The grinding head of claim 5 wherein the cooling bores include a main bore and a wing bore, the main bore opening in the base on a side end face opposite the grinding portion, the main bore not communicating with the end face of the grinding portion, the wing bore communicating with the main bore and opening on a side face of the base.

7. The grinding head of claim 6 wherein the wing holes are plural and are arranged along the length of the master hole.

8. The grinding head of claim 7 wherein the wing holes extend obliquely from the end communicating with the main hole to the end opposite the grinding portion.

9. The grinding head of claim 8 wherein the angle between the wing aperture and the main aperture is 45 degrees.