CN210648683U

CN210648683U - High-strength wear-resistant drill bit

Info

Publication number: CN210648683U
Application number: CN201921550466.3U
Authority: CN
Inventors: 郭思毅
Original assignee: Jiangxi Dipu Diamond Tool Manufacturing Co Ltd
Current assignee: Jiangxi Dipu Diamond Tool Manufacturing Co Ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-06-02
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a high-strength wear-resistant drill bit, which belongs to the technical field of drill bits and comprises a drill bit body, wherein the top of the drill bit body is fixed with a drill bit top, a spiral blade is arranged in the middle of the top of the drill bit body, the outer surface of the spiral blade is provided with a brass powder coating, a chip guide groove is arranged on the outer surface of the drill bit body, a replacing head is welded at the bottom of the drill bit body, the high-strength wear-resistant drill bit is provided with the replacing head, a connecting sleeve, the chip guide groove, the drill bit top and the brass powder coating, when the drill bit is required to be replaced by a user in the using process, a drill bit mounting head arranged at one end of an electric drill gun can be fixed, the drill bit body connected with a drill bit fixing rod is rotated, the inner connecting sleeve is separated from the replacing adapter in a rotating way, the electric drill bit can be dismounted without dismounting, the drill bit is convenient and fast to replace.

Description

High-strength wear-resistant drill bit

Technical Field

The utility model relates to a drill bit technical field specifically is a wear-resisting drill bit of high strength.

Background

Drills (Drills) are tools used to drill through or blind holes in solid materials and to ream existing holes. Commonly used drill bits mainly include twist drills, flat drills, center drills, deep hole drills, and trepanning drills. Reamers and reamers are not capable of drilling solid materials, but they are also traditionally classified as drills.

Most of the existing drill bits are made of single alloy materials, the drill bits are various parts in the using process and need to be frequently replaced so as to have different functions, because the drill bit needs to be disassembled when being replaced, the disassembling process needs longer steps, and if the drill bit is not properly installed in the process of installing the drill bit, the work is inconvenient, the work efficiency is influenced, and the drill bit is easy to generate fine scraps of materials during the working process, the screw head is easy to block, the drill bit needs to be pulled out for cleaning and then is used for working, the working time of a user is influenced, and the re-drilled drill bit may be deviated due to the secondary entry, resulting in the wrong hole position, meanwhile, when the drill bit is used for a long time, the top of the drill bit is worn most easily, the working accuracy is affected, the drill bit is not easy to see due to the worn degree, the drill bit needs to be replaced after being inconveniently used through manual perception, and inconvenience is brought to operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting drill bit of high strength to it dismantles trouble to propose the drill bit among the above-mentioned background art to solve, and drill bit work is stifled easily, the problem that the inconvenient staff of drill bit wearing and tearing observed.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wear-resisting drill bit of high strength, includes the drill bit body, the top of drill bit body is fixed with the drill bit top, install the spiral leaf in the middle of the drill bit body top, the surface of spiral leaf is provided with the brass powder coating, the chip groove has been seted up to the surface of drill bit body, the bottom welding of drill bit body has the change head, the change head is connected with the adapter sleeve through changing the adapter, the shrinkage cavity has all been seted up to the both sides of adapter sleeve, the internally mounted of shrinkage cavity has supporting spring, supporting spring's one end is connected with fixed steel ball, the bottom of drill bit body is connected with the drill bit dead lever, the mounting groove has been seted up to the bottom of drill bit dead lever, the bottom.

Preferably, the drill bit body, the spiral blade, the drill bit fixing rod and the drill gun mounting head are all made of hard alloy materials, and the drill bit top is made of diamond materials.

Preferably, the dead lever is hollow structure, just the setting is dismantled with the drill bit dead lever to the drill bit body through changing adapter and adapter sleeve.

Preferably, the fixed steel ball is movably arranged with the contraction hole through a supporting spring.

Preferably, the drill gun mounting head has a smaller diameter than the drill bit body.

Preferably, the chip guide groove is of an inverted Y-shaped structure, and the outer surface of the chip guide groove is smooth.

Compared with the prior art, the beneficial effects of the utility model are that: the high-strength wear-resistant drill bit is provided with a replacing head, a connecting sleeve, a chip guide groove, a drill bit top and a brass powder coating, when the drill bit needs to be replaced by a user in the using process, the drill bit mounting head arranged at one end of an electric drill gun can be fixed, the drill bit body connected with a drill bit fixing rod is rotated, the connecting sleeve inside the drill bit body is rotatably separated from the replacing adapter, so that the drill bit can be detached without disassembling the electric drill gun, the other drill bit body can be rotatably arranged on the drill bit fixing rod when the drill bit is required to be installed, the drill bit is convenient and rapid to replace, the problem that the drill bit is troublesome to replace due to the fact that the drill bit is troublesome to disassemble the drill bit is solved, the chip guide groove is connected with a spiral blade, generated chips can be continuously extruded from the chip guide groove in a deep extrusion manner during the working process, the chip guide groove is inverted, the problem of plug up the spiral leaf because of the during operation piece, lead to needing to extract the drill bit, has increased operating time, and simultaneously, the drill bit top of diamond material is more wear-resisting at the drill bit during operation, increases the life-span of drill bit, and the coating of brass can expose inside colour when the drill bit wearing and tearing, judges the service life through the wearing and tearing of different states to change the drill bit, solved the easy wearing and tearing in drill bit top, the difficult problem of seeing out of drill bit degree of wear.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged schematic view of the internal structure of the present invention.

In the figure: 1. a drill bit body; 2. helical leaves; 3. a chip guide groove; 4. a drill bit fixing rod; 5. a drill gun mounting head; 6. replacing the head; 7. a support spring; 8. fixing the steel balls; 9. replacing the adapter; 10. connecting sleeves; 11. mounting grooves; 12. coating brass powder; 13. a shrink hole; 14. and (6) drilling a bit top.

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.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "fixed," "sleeved," and the like are to be construed broadly, e.g., as either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, can be connected inside two elements or can be in an interaction relationship between the two elements, and the specific meaning of the terms in the present invention can be understood according to specific situations by those skilled in the art

Referring to fig. 1-3, the present invention provides a technical solution: a high-strength wear-resistant drill bit comprises a drill bit body 1, spiral blades 2, chip guide grooves 3, a drill bit fixing rod 4, a drill gun mounting head 5, a replacing head 6, a supporting spring 7, a fixed steel ball 8, a replacing adapter 9, a connecting sleeve 10, a mounting groove 11, a brass powder coating 12, a shrinkage hole 13 and a drill bit top 14, wherein the top of the drill bit body 1 is fixed with the drill bit top 14, the spiral blades 2 are mounted in the middle of the top of the drill bit body 1, the outer surface of the spiral blades 2 is provided with the brass powder coating 12, the chip guide grooves 3 are formed in the outer surface of the drill bit body 1, the replacing head 6 is welded at the bottom of the drill bit body 1 and is connected with the connecting sleeve 10 through the replacing adapter 9, the shrinkage holes 13 are formed in the two sides of the connecting sleeve 10, the supporting spring 7 is mounted inside the shrinkage hole 13, one end of the supporting, the bottom of drill bit body 1 is connected with drill bit dead lever 4, mounting groove 11 has been seted up to the bottom of drill bit dead lever 4, the welding of the bottom of mounting groove 11 has brill rifle installation head 5, can conveniently change the drill bit of different grade type under the condition of not dismantling the brill rifle.

Referring to fig. 1-3, the drill body 1, the spiral blade 2, the drill fixing rod 4 and the drill gun mounting head 5 are made of hard alloy materials, the drill top 14 is made of diamond materials, the drill is hard and wear-resistant, the wear condition of the drill can be quickly seen through the coating, the drill fixing rod 4 is of a hollow structure, the drill body 1 is detached from the drill fixing rod 4 through the change of the adapter 9 and the connecting sleeve 10, and the change of different mounting heads of a worker is facilitated.

Referring to fig. 1-3, the fixing steel ball 8 is movably disposed through the supporting spring 7 and the contraction hole 13 to fix the replaced drill bit body, and the diameter of the drill bit mounting head 5 is smaller than that of the drill bit body 1, so that the drill bit is suitable for mounting different drill bits.

Referring to fig. 1-3, the chip guide groove 3 has an inverted Y-shaped structure, and has a smooth outer surface, so that dust can be conveniently guided out, and the service life of the electric drill can be prolonged.

The working principle is as follows: firstly, before use, a drill gun mounting head 5 is fixed inside an electric drill gun through a mounting groove 11, when the drill bit body 1 needs to be replaced during working, a drill bit fixing rod 4 is stabilized, a replacing adapter 9 is separated from a connecting sleeve 10 by the rotary drill bit body 1, then the drill bit body 1 is replaced, the replacing adapter 9 at the bottom of a new drill bit is rotated at the bottom end of the connecting sleeve 10, a fixing steel ball 8 is extruded into a contraction hole 13 through a supporting spring 7 during rotation, the fixing steel ball 8 can pop out and fix a replacing head 6 after the rotation is finished, during working, a drill bit top 14 at the top of the drill bit body 1 is made of diamond materials, the drill bit has a more wear-resistant effect before rotation, meanwhile, scraps generated during working of the drill bit can be extruded to a guide blade 3 through a spiral blade 2 and then discharged from two ends, and during use of a drill bit for a long time, the wear degree of, reminding workers to replace the components in time.

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. The utility model provides a wear-resisting drill bit of high strength, includes drill bit body (1), its characterized in that: a drill bit top (14) is fixed at the top of the drill bit body (1), a spiral blade (2) is arranged in the middle of the top of the drill bit body (1), the outer surface of the spiral blade (2) is provided with a brass powder coating (12), the outer surface of the drill bit body (1) is provided with a chip guide groove (3), the bottom of the drill bit body (1) is welded with a replacing head (6), the replacing head (6) is connected with a connecting sleeve (10) through a replacing adapter (9), both sides of the connecting sleeve (10) are provided with shrinkage holes (13), a supporting spring (7) is arranged in the shrinkage holes (13), one end of the supporting spring (7) is connected with a fixed steel ball (8), the bottom of the drill bit body (1) is connected with a drill bit fixing rod (4), the drill bit fixing rod is characterized in that a mounting groove (11) is formed in the bottom of the drill bit fixing rod (4), and a drill gun mounting head (5) is welded to the bottom of the mounting groove (11).

2. A high strength wear resistant drill bit according to claim 1, wherein: the drill bit comprises a drill bit body (1), a spiral blade (2), a drill bit fixing rod (4) and a drill gun mounting head (5), wherein the drill bit body, the spiral blade, the drill bit fixing rod and the drill gun mounting head are all made of hard alloy materials, and a drill bit top (14) is made of diamond materials.

3. A high strength wear resistant drill bit according to claim 1, wherein: the drill bit fixing rod (4) is of a hollow structure, and the drill bit body (1) is detached from the drill bit fixing rod (4) through replacement of the adapter (9) and the connecting sleeve (10).

4. A high strength wear resistant drill bit according to claim 1, wherein: the fixed steel ball (8) is movably arranged with the shrinkage hole (13) through the supporting spring (7).

5. A high strength wear resistant drill bit according to claim 1, wherein: the diameter of the drill gun mounting head (5) is smaller than that of the drill bit body (1).

6. A high strength wear resistant drill bit according to claim 1, wherein: the chip guide grooves (3) are of inverted Y-shaped structures, and the outer surfaces of the chip guide grooves are smooth.