CN210819175U

CN210819175U - Multilayer body deep groove chip removal diamond tool bit

Info

Publication number: CN210819175U
Application number: CN201921504452.8U
Authority: CN
Inventors: 李达; 梁熙
Original assignee: Hunan Jiumu New Material Technology Co ltd
Current assignee: Hunan Jiumu New Material Technology Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-06-23
Anticipated expiration: 2029-09-11

Abstract

The utility model provides a multilayer body deep flute chip removal diamond segments. The multilayer deep groove chip removal diamond tool bit comprises n multilayer bodies and m step layers, wherein the n is more than m, the step layers are arranged between every two multilayer bodies in a clamping mode, and the step layers are sunken from the working surface of the diamond tool bit and form a height difference with the multilayer bodies; each multilayer body comprises at least two cutting layers and at least one reactive cutting layer, wherein one reactive cutting layer is clamped between the at least two cutting layers, or the number of the cutting layers arranged on the two sides of the reactive cutting layer is not equal. Compared with the prior art, the utility model provides a multilayer body deep flute chip removal diamond tool bit makes the one end at the middle part of tool bit form hollow layer through design stage level, utilizes the function of rapid chip removal when hollow space realizes the cutting.

Description

Multilayer body deep groove chip removal diamond tool bit

Technical Field

The utility model relates to a diamond segments especially relates to a multilayer body deep flute chip removal diamond segments.

Background

The diamond tool bit industry only occupies the leading position of medium and low products in China, and is occupied by European and American countries in the field of high-end products. Therefore, the development and innovation of China on the high-technology field of the diamond tool bit industry are the subjects which must be surpassed by China, and the competitiveness of high-end diamond products is improved.

The existing diamond tool bit is of a solid structure, such as the existing patent CN1260054C diamond tool bit and a saw blade thereof, although a chip removal groove is arranged on the tool bit, the chip removal groove and the diamond tool bit are of an integrated structure and only used for chip removal, no help is provided for reducing reactive loss, and the sharpness and the strength of the tool bit are insufficient. Therefore, there is a need to provide a new multilayer deep groove chip removal diamond tip that solves the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multilayer body deep flute chip removal diamond segments of reducible tool bit and machined part area of contact improves the sharpness under the prerequisite that realizes the tool bit and have certain intensity, realizes the high efficiency cutting.

The technical scheme of the utility model is that: the multilayer deep groove chip removal diamond tool bit comprises n multilayer bodies and m step layers, wherein the n is more than m, the step layer is clamped between every two multilayer bodies, and the step layers are sunken from the working surface of the diamond tool bit and form a height difference with the multilayer bodies; each multilayer body comprises at least two cutting layers and at least one reactive cutting layer, wherein one reactive cutting layer is clamped between the at least two cutting layers, or the number of the cutting layers arranged on the two sides of the reactive cutting layer is not equal.

In the scheme, the step layer is designed, so that a hollow layer is formed at one end of the middle part of the cutter head, on one hand, the contact surface between the cutter and a processed workpiece is reduced, and the reactive loss is greatly reduced; on the other hand, the tool can realize a good chip removal function, and damage of chips to the tool is greatly reduced, so that the machining efficiency is improved, and the service life of the tool is protected.

Compared with the corresponding technology, the step layer is formed before the diamond tool bit is used for cutting, the function of cutting or reactive cutting is realized through the sunken step, and the reactive loss generated by secondary grinding is reduced while the chip is rapidly removed.

In addition, a reactive cutting layer is arranged in the middle of the multilayer body, so that the part does not participate in cutting work, a self-sunken layer is formed in the cutting process of the diamond tool bit, and finally a plurality of sharp tool bits are formed. When the diamond cutter cuts, the reactive cutting layer is naturally worn along with the deep moving processing process of the first cutting layer and the second cutting layer, so that the reactive loss of the diamond cutter head can be greatly reduced, the sharpness of the cutter is improved, and the service life of the cutter is prolonged.

In the structure of the multilayer body, the number of the cutting layers provided on both sides of the reactive cutting layer may be designed to be equal or unequal. Such as: when the cutting layers are equal, the cutting layers are distributed in a symmetrical structure, and when the cutting layers are not equal, a plurality of cutting layers are arranged on one side of each reactive cutting layer.

Preferably, the multilayer body includes a first cutting layer, a reactive cutting layer and a second cutting layer that are sequentially arranged, and the second cutting layer is arranged adjacent to the step layer.

Preferably, the first cutting layer and the second cutting layer have the same height.

Preferably, the first cutting layer and the second cutting layer are both diamond layers, and the reactive cutting layer is a non-diamond layer.

Preferably, the reactive cutting layer is a metal layer or a nonmetal layer, and further preferably, the reactive cutting layer is an iron protective layer body.

Preferably, the step layer is a metal layer or a non-metal layer, and more preferably, is an iron layer or an alloy layer.

Compared with the prior art, the beneficial effects of the utility model are that:

firstly, a step layer is designed, so that a hollow layer is formed at one end of the middle part of the cutter head, and the function of rapidly removing chips during cutting is realized by utilizing a hollow space;

secondly, the hollow structure of the step layer can reduce the reactive loss generated by secondary grinding, so that the sharpness of the cutter product is improved by 60 percent, and the service life is prolonged by 50 percent;

and the individual structures of the first cutting layer, the reactive cutting layer and the second cutting and step layers of the multilayer body can be made of different materials, the cutting part and the reactive cutting part of the tool bit and the materials are designed according to the machining requirements, the contact surface of the tool and a machined workpiece is reduced, and the reactive loss is reduced.

Drawings

Fig. 1 is a schematic view of a longitudinal section structure of a multilayer deep groove chip removal diamond tool bit provided by the utility model;

fig. 2 is the utility model provides a cross section structure sketch map of multilayer body deep flute chip removal diamond segments.

In the attached drawing, 1-multilayer body, A-first cutting layer, B-reactive cutting layer, C-second cutting layer, D-step layer, Y-center line perpendicular to the working surface of the cutter head, and E-working surface.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in FIGS. 1-2, the multilayer deep groove chip removal diamond tool bit provided by the embodiment can be welded on a saw disc or a saw row. The diamond tool tip comprises n multilayer bodies perpendicular to a working surface E of the tool tip and m step layers D, wherein n > m, and each two multilayer bodies 1 sandwich one step layer D therebetween, wherein n =3 and m =1 in the embodiment. The step layer D is recessed from the working surface E of the diamond segment, and forms a height difference with the multilayer body.

The multilayer body 1 comprises a first cutting layer A, a reactive cutting layer B and a second cutting layer C which are sequentially arranged, namely, a reactive cutting layer is clamped between the two cutting layers. Two second cutting layers C are provided adjacent to the step layer D.

In another embodiment, the structure of the multilayer body 1 can also be greater than 3 layers.

In another embodiment, the number of the reactive cutting layers may be greater than two, or the number of the cutting layers on the left and right sides of the reactive cutting layers may be designed to be unequal.

The first cutting layer A and the second cutting layer C are both diamond layers, and the reactive cutting layer B is a non-diamond layer and can be a metal layer body or a non-metal layer body. If the metal layer is selected, an iron protective layer can be selected. The height of the idle cutting layer B before cutting is the same as that of the cutting layer, but a groove is formed due to self abrasion in the cutting process.

When the diamond cutter cuts, the protective body of the reactive cutting layer B moves deeply along with cutting, the reactive cutting layer B is naturally worn in the machining process, the diamond layers of the first cutting layer A and the second cutting layer C are used for cutting tasks, a machining-free groove is formed in the reactive cutting layer B, finally, the diamond tool bit forms a plurality of sharp tool bits on the first cutting layer A and the second cutting layer C, the contact area of the diamond tool bit and a workpiece is greatly reduced, and the reactive loss is greatly reduced, so that the aims of improving the diamond cutting efficiency and prolonging the service life of the cutter are fulfilled.

The step layer D is an iron layer or an alloy layer.

In this embodiment, the first cutting layer a, the idle cutting layer B, and the second cutting layer C of the first layer 1 and the first cutting layer a, the idle cutting layer B, and the second cutting layer C of the second layer are symmetrically disposed along a center line Y of the step D, which is perpendicular to the working surface of the tool bit, so as to ensure the balance of cutting forces.

The thicknesses of the first cutting layer a, the idle cutting layer B, and the second cutting layer C may be equal to each other, or may be unequal according to the actual cutting object and the cutting tool, and in this embodiment, the thickness of the first cutting layer a > the thickness of the second cutting layer C > the thickness of the idle cutting layer B. The thickness of the step layer D is smaller than the entire thickness of the first layer 1.

The directional designations mentioned herein are explained as follows:

longitudinal: the cutting direction of the cutter head, namely the extension direction of the cutter head; otherwise, it is horizontal.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The multilayer deep groove chip removal diamond tool bit is characterized by comprising n multilayer bodies (1) and m step layers (D) which are perpendicular to a tool bit working surface (E), wherein n is larger than m, one step layer (D) is clamped between every two multilayer bodies (1), and the step layers (D) are sunken from the working surface (E) of the diamond tool bit and form a height difference with the multilayer bodies (1); each multilayer body (1) comprises at least two cutting layers and at least one reactive cutting layer, wherein one reactive cutting layer is clamped between the at least two cutting layers, or the number of the cutting layers arranged on the two sides of the reactive cutting layer is not equal.

2. Diamond tip according to claim 1, characterized in that said multilayer body (1) comprises a first cutting layer (A), a non-reactive cutting layer (B) and a second cutting layer (C) arranged in succession, said second cutting layer (C) being arranged adjacent to said step layer (D).

3. Diamond tip according to claim 2, characterized in that the first cutting layer (A) and the second cutting layer (C) are of equal height.

4. Diamond tool tip according to claim 2, characterized in that the first cutting layer (a) and the second cutting layer (C) are both diamond layers and the non-reactive cutting layer (B) is a non-diamond layer.

5. Diamond tool tip according to claim 2, characterized in that the non-active cutting layer (B) is a metallic or non-metallic layer.

6. Diamond tip according to claim 1, characterized in that said step layer (D) is a metallic layer or a non-metallic layer.