CN220278362U

CN220278362U - Sintered diamond bit

Info

Publication number: CN220278362U
Application number: CN202321569700.3U
Authority: CN
Inventors: 王雷; 李海丰; 马鑫杰
Original assignee: Hangzhou Timu Superhard Materials Co ltd
Current assignee: Hangzhou Timu Superhard Materials Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2024-01-02
Anticipated expiration: 2033-06-19

Abstract

The utility model relates to the technical field of drilling equipment and discloses a sintered diamond drill bit, which comprises a bit body, wherein a shank is fixedly arranged at the bottom of the bit body, a top blade is fixedly arranged at the top of the bit body, a front blade is fixedly arranged on the side surface of the bit body, four chip flutes are formed in the surface of the bit body, diamond layers are fixedly sintered on the surfaces of the top blade and the front blade, a fixing layer is arranged in the bit body, and a plurality of protruding blocks are fixedly arranged on the surfaces of the chip flutes.

Description

Sintered diamond bit

Technical Field

The utility model relates to the technical field of drilling equipment, in particular to a sintered diamond bit.

Background

The drill bit is a tool with cutting capacity at the head end, is generally formed by milling, quenching, tempering and heat treatment of materials such as carbon steel and high-speed steel, is used for drilling on metal or other materials, has a wide application range, can be applied to machine tools such as drilling machines, lathes, milling machines and the like, comprises a working part and a fixing part, and is provided with a plurality of spiral grooves, wherein the number of the spiral grooves is 2 grooves, 3 grooves or more.

The prior art has the following defects: the existing drill bit is mainly made of carbon steel and high-speed steel, after long-term drilling, the surface of a blade of the drill bit can be worn and dulled, so that the drilling performance of the drill bit is reduced, the drilling effect of a workpiece is reduced, in addition, in the existing drilling process, the drill bit part is required to be cooled, thereby avoiding high-temperature overheating of the drill bit part, the existing drill bit is poor in heat dissipation effect, and high temperature occurs on the reddening surface after drilling.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a sintered diamond bit to solve the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a sintering diamond bores tool bit, includes the cutter body, the bottom fixed mounting of cutter body has the handle of a knife, the top fixed mounting of cutter body has the top sword, the side fixed mounting of cutter body has the front portion sword, four flutes have been seted up on the surface of cutter body, the surface sintering of top sword and front portion sword is fixed with the diamond layer, the inside of cutter body is provided with the fixed layer, the fixed surface of flutes installs a plurality of protruding piece.

Preferably, the center of the top edge extends above the cutter body, the top edge is fixedly mounted on the top of the flute, and the front edge is fixedly mounted on the side of the flute.

Preferably, the protruding block and the fixing layer are made of steel.

Preferably, the inside of handle of a knife has been seted up the mounting groove, a plurality of spout has been seted up to the inner wall of mounting groove, the bottom fixed mounting of cutter body has the connecting block, the side surface fixed mounting of connecting block have with spout sliding connection's slider.

Preferably, one end of a spring is fixedly arranged at the bottom of the mounting groove, and the other end of the spring is fixedly arranged at the bottom of the connecting block.

Preferably, the surface of the knife handle is provided with a clamping groove, and the bottom of the knife handle is provided with a limiting groove.

The utility model has the technical effects and advantages that:

1. according to the utility model, the diamond layer is fixedly arranged on the top blade and the front blade, so that the diamond has the characteristics of high hardness and good chemical property, has good drilling resistance compared with steel, has small loss compared with the existing drilling tool bit, is beneficial to improving the drilling performance of the drilling tool bit and improves the drilling effect of a workpiece.

2. According to the utility model, the protruding blocks are arranged, so that the surface area of the chip groove is increased, and the temperature inside the cutter body exchanges heat with the outside through the protruding blocks, thereby being beneficial to improving the heat dissipation effect of the cutter body.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a cross-sectional view of the shank structure of the present utility model.

Fig. 3 is a schematic view of the structure of the diamond layer and the fixed layer of the present utility model.

The reference numerals are: 1. a cutter body; 2. a knife handle; 3. a top edge; 4. a front blade; 5. a flute; 6. a diamond layer; 7. a fixed layer; 8. a protruding block; 9. a mounting groove; 10. a chute; 11. a connecting block; 12. a slide block; 13. a spring; 14. a clamping groove; 15. and a limit groove.

Detailed Description

The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and the sintered diamond bit according to the present utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

The utility model provides a sintered diamond drill bit, which comprises a bit body 1, wherein a shank 2 is fixedly arranged at the bottom of the bit body 1, a top blade 3 is fixedly arranged at the top of the bit body 1, a front blade 4 is fixedly arranged at the side surface of the bit body 1, four chip grooves 5 are formed in the surface of the bit body 1, a diamond layer 6 is fixedly sintered on the surfaces of the top blade 3 and the front blade 4, a fixing layer 7 is arranged in the bit body 1, a plurality of protruding blocks 8 are fixedly arranged on the surfaces of the chip grooves 5, the diamond layer 6 is fixedly arranged on the top blade 3 and the front blade 4, the diamond has the characteristics of high hardness and good chemical property, compared with steel, the steel has good drilling resistance, the loss degree of the bit is small, the drilling performance of the bit is improved, the drilling effect of a workpiece is improved, the surface area of the chip grooves 5 is increased, the temperature in the bit body 1 is subjected to heat exchange with the outside through the protruding blocks 8, the heat dissipation effect of the bit body 1 is improved, the top blade 3 is conical, the top of the top 3 is in contact with the bottom of the workpiece and the front blade 4 contacts the inner wall of the workpiece.

Further, the center of the top blade 3 extends to the upper side of the cutter body 1, the top blade 3 is fixedly mounted at the top of the chip flute 5, the front blade 4 is fixedly mounted at the side of the chip flute 5, the top of the top blade 3 is in contact with the bottom of the workpiece through the top blade 3 arranged above the cutter body 1, and the front blade 4 is fixedly mounted at the side of the chip flute 5, so that the front blade 4 is in contact with the inner wall of the workpiece for drilling.

Further, the protruding block 8 and the fixing layer 7 are made of steel, and the protruding block 8 and the fixing layer 7 are made of steel, so that the diamond layer 6 is sintered and fixed on the surface of the steel.

Further, the inside of handle of a knife 2 has been seted up mounting groove 9, and a plurality of spout 10 has been seted up to the inner wall of mounting groove 9, and the bottom fixed mounting of cutter body 1 has connecting block 11, and the side surface fixed mounting of connecting block 11 has the slider 12 with spout 10 sliding connection for cutter body 1 is through mounting groove 9, spout 10 and slider 12 and handle of a knife 2 sliding connection, slider 12 slides in the inside of spout 10 through setting up mounting groove 9, spout 10, connecting block 11 and slider 12.

Further, the bottom fixed mounting of mounting groove 9 has the one end of spring 13, and the other end of spring 13 and the bottom fixed mounting of connecting block 11 for mounting groove 9 bottom and connecting block 11 bottom are connected through spring 13 through setting up spring 13, make cutter body 1 have the function of buffering drilling impact, thereby improve the antidetonation function of boring the tool bit.

Further, the clamping groove 14 is formed in the surface of the tool handle 2, the limiting groove 15 is formed in the bottom of the tool handle 2, the clamping groove 14 is formed in the surface of the tool handle 2 and the drilling equipment are clamped and fixed, and the limiting groove 15 is formed in the surface of the tool handle 2 and the drilling equipment are fixed through the limiting groove 15.

The working principle of the utility model is as follows: firstly, one end of the cutter handle 2 far away from the cutter body 1 is placed in drilling equipment, the surface of the cutter handle 2 is clamped and fixed with the drilling equipment, the cutter handle 2 is fixed with the drilling equipment through a limiting groove 15, then the top of the top blade 3 is contacted with the surface of a workpiece, the drilling equipment is started, the drilling equipment drives a drill bit to rotate, the inside of the workpiece is drilled, the top blade 3 is contacted with the bottom of the workpiece, the front blade 4 is contacted with the wall of the hole of the workpiece, scraps are discharged through a chip groove 5, and the temperature of the cutter body 1 is conducted to the outside through a protruding block 8 and the cutter body 1.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a sintering diamond bores tool bit, includes cutter body (1), its characterized in that: the utility model discloses a diamond cutter for the surface sintering of knife body, including cutter body (1), top fixed mounting of cutter body (1) has handle of a knife (2), top fixed mounting of cutter body (1) has top sword (3), side fixed mounting of cutter body (1) has anterior sword (4), four flutes (5) have been seted up on the surface of cutter body (1), the surface sintering of top sword (3) and anterior sword (4) is fixed with diamond layer (6), the inside of cutter body (1) is provided with fixed layer (7), the surface mounting of flutes (5) has a plurality of protruding piece (8).

2. A sintered diamond bit according to claim 1, wherein: the center of the top edge (3) extends to the upper side of the cutter body (1), the top edge (3) is fixedly arranged at the top of the chip groove (5), and the front edge (4) is fixedly arranged on the side face of the chip groove (5).

3. A sintered diamond bit according to claim 1, wherein: the protruding blocks (8) and the fixing layer (7) are made of steel.

4. A sintered diamond bit according to claim 1, wherein: the utility model discloses a knife handle, including handle of a knife (2), mounting groove (9) have been seted up to the inside of handle of a knife (2), a plurality of spout (10) have been seted up to the inner wall of mounting groove (9), the bottom fixed mounting of cutter body (1) has connecting block (11), the side surface fixed mounting of connecting block (11) have with slider (12) of spout (10) sliding connection.

5. A sintered diamond bit according to claim 4, wherein: one end of a spring (13) is fixedly arranged at the bottom of the mounting groove (9), and the other end of the spring (13) is fixedly arranged at the bottom of the connecting block (11).

6. A sintered diamond bit according to claim 1, wherein: clamping grooves (14) are formed in the surface of the tool handle (2), and limiting grooves (15) are formed in the bottom of the tool handle (2).