CN211819246U

CN211819246U - Novel high-efficient diamond compact piece

Info

Publication number: CN211819246U
Application number: CN201921701356.2U
Authority: CN
Inventors: 朱伟; 罗明; 刘玉殿
Original assignee: Chongqing Beisika New Material Co ltd
Current assignee: Chongqing beisika New Material Co.,Ltd.
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-10-30
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses a novel high-efficient diamond compact piece, including carbide basement and diamond layer, carbide basement and diamond layer be connected through the concatenation face, and be provided with the chamfer face on the diamond layer. This diamond compact simple structure, and reasonable in design, through the complementary connection of concatenation face between carbide base and the diamond layer, make the connection of carbide base and diamond layer more stable, it is 1.1-1.3mm to set up the width scope simultaneously on the diamond layer, and the angular range is 8-17 chamfer face, can be convenient for increase the intensity of this diamond compact outward flange, thereby make its outer fringe difficult by the damage, and then be favorable to increasing this diamond compact's life, it is efficient to have a drilling, mechanical drilling speed is fast, save time, a great deal of advantages such as economic benefits improve.

Description

Novel high-efficient diamond compact piece

Technical Field

The utility model relates to a diamond compact technical field specifically is a novel high-efficient diamond compact piece.

Background

The diamond composite sheet is widely used in the industries of exploration, mining, petroleum, coal and the like, is determined by high strength, high wear resistance, excellent impact toughness and weldability, is formed by sintering diamond micro powder and a hard alloy substrate under the conditions of ultrahigh pressure and high temperature, and is formed by compounding a diamond composite layer and a hard alloy substrate on rock breaking tools such as PDC drill bits and the like.

However, when the existing diamond compact works, the outer edge of the existing diamond compact is stressed greatly, and the outer side structure of the existing diamond compact is damaged more easily than the inner side structure of the existing diamond compact, so that the outer edge of the existing diamond compact is easily damaged when the existing diamond compact works.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel high-efficient diamond compact piece to the outward flange department that proposes current diamond compact piece among the solution above-mentioned background is impaired problem easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel high-efficient diamond compact piece, includes carbide basement and diamond layer, carbide basement and diamond layer be connected through the concatenation face, the concatenation face sets up respectively in the upper surface of carbide basement and the lower surface on diamond layer, and the concatenation face structure on carbide basement and the diamond layer is the complementary straight bar type raised grain structure of shape, and is provided with the chamfer face on the diamond layer, the width scope of chamfer face is 1.1-1.3 mm.

Compared with the prior art, the beneficial effects of the utility model are that: this diamond compact simple structure, reasonable in design through the face complementary connection that splices between carbide base and the diamond layer for the carbide base is more stable with being connected on diamond layer, sets up the width scope simultaneously and is 1.1-1.3mm on diamond layer, and the angular range is 8-17 chamfer face, can be convenient for increase the intensity of this diamond compact outward flange, thereby makes its outer fringe difficult by the damage, and then is favorable to increasing this diamond compact's life.

The diamond compact piece of present case is fit for when oil gas drilling, bores tight sandstone and mudstone stratum, has among the practical application and creeps into efficiently, mechanical drilling is fast, save time, improve a great deal of advantages such as economic benefits.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic view of the top view structure of the present invention.

In the figure: 1. a cemented carbide substrate; 2. a diamond layer; 3. chamfering; 4. splicing the surfaces.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a novel high-efficient diamond compact piece, includes carbide base 1 and diamond layer 2, carbide base 1 and diamond layer 2 be connected through concatenation face 4, and be provided with chamfer face 3 on the diamond layer 2.

The width range of the chamfer surface 3 is 1.1-1.3mm, and the angle range of the chamfer surface 3 is 8-17 degrees, so that the strength of the outer edge of the diamond compact can be increased conveniently, and the service life of the diamond compact can be prolonged conveniently.

The splicing surface 4 is respectively arranged on the upper surface of the hard alloy substrate 1 and the lower surface of the diamond layer 2, and the splicing surface 4 structures on the hard alloy substrate 1 and the diamond layer 2 are straight strip type wavy structures with complementary shapes, so that the connection tightness of the hard alloy substrate 1 and the diamond layer 2 can be conveniently increased, and the overall stability of the diamond composite sheet is favorably increased.

The working principle is as follows: when the diamond compact is used, firstly, the upper edge of the chamfer surface 3 on the diamond layer 2 of the diamond compact contacts with the stratum rock, along with the chamfer surface 3, the stratum rock is gradually based on the lower edge of the chamfer surface 3, thereby progressively cutting the formation rock, which reduces the forces experienced at the outer edge of the diamond compact, thereby relatively increasing the strength of the outer edge of the diamond compact so as to prevent the outer edge of the diamond compact from being damaged, so as to increase the service life of the diamond compact, meanwhile, the hard alloy substrate 1 and the diamond layer 2 are connected through the splicing surface 4, which not only is convenient for increasing the connectivity of the hard alloy substrate 1 and the diamond layer 2, while facilitating stable rotation of the cemented carbide substrate 1 with the diamond layer 2 for stable cutting of formation rock, which is well known to those skilled in the art and not described in detail in this specification.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel high-efficiency diamond compact comprises a hard alloy substrate (1), and is characterized in that: the diamond layer is characterized in that the hard alloy substrate (1) and the diamond layer (2) are connected through a splicing surface (4), the splicing surface (4) is respectively arranged on the upper surface of the hard alloy substrate (1) and the lower surface of the diamond layer (2), the splicing surface (4) structures on the hard alloy substrate (1) and the diamond layer (2) are straight strip type wavy texture structures with complementary shapes, a chamfering surface (3) is arranged on the diamond layer (2), and the width range of the chamfering surface (3) is 1.1-1.3 mm.