CN213729540U

CN213729540U - Gun drill for numerical control machine tool

Info

Publication number: CN213729540U
Application number: CN202022186599.6U
Authority: CN
Inventors: 贺茂胜
Original assignee: Dalian Shengshi Combined Cutting Tools Co ltd
Current assignee: Dalian Shengshi Combined Cutting Tools Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-07-20
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a gun drill for digit control machine tool, including drillstock, drill pipe and drill point, first logical groove has been seted up on the surface of drill pipe, the second logical groove has been seted up on the surface of drill point, first logical groove and second logical groove intercommunication, the left front side of drill point all is provided with the edges and corners with the rear side, the through-hole has been seted up to the inner chamber of drill point, the fixed surface of drill point is connected with corrosion resistant layer, the fixed surface on corrosion resistant layer is connected with the wearing layer, the edges and corners is V type structure, and V type angle is 118 degrees, the diameter of through-hole is 3mm, and runs through to the back of drillstock inner chamber, corrosion resistant layer is fluorocarbon coating, and shaping after the spraying quartic. The utility model discloses a cooperation that drillstock, drill pipe, drill bit, first logical groove, second lead to groove, edges and corners, through-hole, corrosion resistant layer and wearing layer is used, can make the intensity of gun drill improve greatly, makes it have higher wearability, has improved its life.

Description

Gun drill for numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool technical field specifically is a gun drill for digit control machine tool.

Background

The gun drill belongs to a deep hole machining tool special for discharging chips, is an effective deep hole machining tool, has a wide machining range, can ensure the size precision, the position precision and the straightness of a hole in deep hole machining with strict requirements on tolerance and surface roughness from plastics such as die steel, glass fiber, Teflon and the like to high-strength alloy such as P20 and inconel, but has low strength, does not have high wear resistance and reduces the service life of the gun drill.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gun drill for digit control machine tool possesses the advantage that intensity is high, has solved current gun drill intensity and has hanged down, does not possess higher wearability, has reduced its life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gun drill for digit control machine tool, includes drillstock, drill pipe and drill bit, first logical groove has been seted up on the surface of drill pipe, the second logical groove has been seted up on the surface of drill bit, first logical groove and second logical groove intercommunication, the left front side of drill bit all is provided with the edges and corners with the rear side, the through-hole has been seted up to the inner chamber of drill bit, the fixed surface of drill bit is connected with the corrosion resistant layer, the fixed surface on corrosion resistant layer is connected with the wearing layer.

Preferably, the edge angle is a V-shaped structure, and the V-shaped angle is 118 degrees.

Preferably, the diameter of the through hole is 3mm, and the through hole penetrates through the back surface of the inner cavity of the drill shank.

Preferably, the corrosion-resistant layer is fluorocarbon coating, and is formed after being sprayed for four times.

Preferably, the wear-resistant layer is hot dip plated and subjected to quenching heat treatment.

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

1. the utility model discloses a cooperation that drillstock, drill pipe, drill bit, first logical groove, second lead to groove, edges and corners, through-hole, corrosion resistant layer and wearing layer is used, can make the intensity of gun drill improve greatly, makes it have higher wearability, has improved its life.

2. The utility model discloses a set up V type angle and be 118 degrees, can be convenient for reduce the degree of wear of drill point, be 3mm through the diameter that sets up the through-hole, and run through to the back of drillstock inner chamber, can be convenient for dispel the heat to the gun drill, through setting up the wearing layer for hot dipping, and through quenching thermal treatment, can be convenient for improve the hardness on surface, improve its wearability.

Drawings

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

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

fig. 3 is a cross-sectional view of the drill blade of the present invention.

In the figure: 1. a drill shank; 2. drilling a pipe; 3. a drill edge; 4. a first through groove; 5. a second through groove; 6. edges and corners; 7. a through hole; 8. a corrosion-resistant layer; 9. and a wear-resistant layer.

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. 1-3, a gun drill for a numerical control machine tool includes a drill shank 1, a drill pipe 2 and a drill blade 3, wherein a first through groove 4 is formed on the surface of the drill pipe 2, a second through groove 5 is formed on the surface of the drill blade 3, the first through groove 4 is communicated with the second through groove 5, edges 6 are respectively disposed on the front side and the rear side of the left side of the drill blade 3, a through hole 7 is formed in the inner cavity of the drill blade 3, an anti-corrosion layer 8 is fixedly connected to the surface of the drill blade 3, an abrasion-resistant layer 9 is fixedly connected to the surface of the anti-corrosion layer 8, the edges 6 are of a V-shaped structure, the wear degree of the drill blade can be reduced by setting the V-shaped angle to 118 degrees, the diameter of the through hole 7 is 3mm, and the through the back side of the inner cavity of the drill shank 1, the gun drill can dissipate heat conveniently, the corrosion-resistant layer 8 is a fluorocarbon coating, and the formation is carried out after four times of spraying, the wear-resistant layer 9 is hot dip coating, and through quenching heat treatment, the hardness of the surface can be conveniently improved, the wear resistance of the drill is improved, and through the matched use of the drill shank 1, the drill pipe 2, the drill blade 3, the first through groove 4, the second through groove 5, the edge angle 6, the through hole 7, the corrosion-resistant layer 8 and the wear-resistant layer 9, the strength of the gun drill can be greatly improved, the gun drill has higher wear resistance, and the service life of the gun drill is prolonged.

During the use, the utility model discloses a drillstock 1, the drill pipe 2, the drill point 3, first logical groove 4, the second leads to groove 5, edges and corners 6, through-hole 7, corrosion resistant layer 8 and wearing layer 9's cooperation is used, the intensity that can make the gun drill improves greatly, make it have higher wearability, the service life thereof is prolonged, be 118 degrees through setting up V type angle, can be convenient for reduce the degree of wear of drill point, be 3mm through the diameter that sets up through-hole 7, and run through to the back of drillstock 1 inner chamber, can be convenient for dispel the heat to the gun drill, for hot dipping through setting up wearing layer 9, and through quenching thermal treatment, can be convenient for improve surperficial hardness, improve its wearability.

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 gun drill for digit control machine tool, includes drillstock (1), drill pipe (2) and drill edge (3), its characterized in that: first logical groove (4) have been seted up on the surface of drill pipe (2), the second logical groove (5) have been seted up on the surface of drill blade (3), first logical groove (4) lead to groove (5) intercommunication with the second, the left front side of drill blade (3) all is provided with edges and corners (6) with the rear side, through-hole (7) have been seted up to the inner chamber of drill blade (3), the fixed surface of drill blade (3) is connected with corrosion-resistant layer (8), the fixed surface of corrosion-resistant layer (8) is connected with wearing layer (9).

2. The gun drill for a numerical control machine tool according to claim 1, characterized in that: the edge angle (6) is of a V-shaped structure, and the V-shaped angle is 118 degrees.

3. The gun drill for a numerical control machine tool according to claim 1, characterized in that: the diameter of the through hole (7) is 3mm, and the through hole penetrates through the back of the inner cavity of the drill handle (1).

4. The gun drill for a numerical control machine tool according to claim 1, characterized in that: the corrosion-resistant layer (8) is fluorocarbon coating and is formed after being sprayed for four times.

5. The gun drill for a numerical control machine tool according to claim 1, characterized in that: the wear-resistant layer (9) is hot dip plated and is subjected to quenching heat treatment.