CN214023658U

CN214023658U - Vibration reduction drill bit

Info

Publication number: CN214023658U
Application number: CN202023282820.4U
Authority: CN
Inventors: 朴哲奎; 李钟栗
Original assignee: Wuxi Bolkai Precision Tools Co ltd
Current assignee: Wuxi Bolkai Precision Tools Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-24
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to the technical field of machining tools, in particular to a vibration reduction drill bit, which comprises a head part and a handle part which are coaxially connected, wherein a drill point is arranged at one end of the head part, which is far away from the handle part, the drill point is conical, the tip end of the drill point deviates from the head part, and the drill point and the head part are coaxially arranged; a plurality of vibration reduction notches are formed in the cutting edge at one end of the head part, which is far away from the handle part, and intervals are reserved among the plurality of vibration reduction notches; the outer surface of the handle part is provided with a vibration reduction groove which extends spirally on the outer surface of the handle part; the edge of the end face of the handle part far away from one end of the head part is provided with an arc chamfer. The utility model discloses have the harm that can reduce the vibration in the use and bring for the drill bit, improve production efficiency, practice thrift manufacturing cost's effect.

Description

Vibration reduction drill bit

Technical Field

The utility model belongs to the technical field of the technique of machining frock and specifically relates to a damping drill bit is related to.

Background

The drill bit is a tool used for drilling through holes or blind holes in solid materials and reaming existing holes, and is usually used in combination with a numerically controlled drilling machine.

Prior art drill bits often face a problem during use: because the tip of drill bit can with wait to process the material friction vibration, the effort that friction and vibration produced acts on the drill bit, causes the damage of drill bit blade easily, consequently need often to shut down in the production process and change the drill bit, both reduced the generation efficiency, increased manufacturing cost again.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a damping drill bit, it has the harm that can reduce the vibration in the use and bring for the drill bit, improves production efficiency, practices thrift manufacturing cost's effect.

The above technical effect of the utility model can be realized through following technical scheme:

a vibration reduction drill bit comprises a head part and a handle part which are coaxially connected, wherein a drill tip is arranged at one end of the head part, which is far away from the handle part, the drill tip is conical, the tip end of the drill tip deviates from the head part, and the drill tip and the head part are coaxially arranged; a plurality of vibration reduction notches are formed in the cutting edge of one end, far away from the handle, of the head, and intervals are reserved among the vibration reduction notches.

By adopting the technical scheme, the arrangement of the drill point enables the end part of the head part and the material to be processed to form point contact, so that not only can the centering be realized quickly, but also the contact area can be reduced, and further the damage to the drill bit caused by friction and vibration is reduced; the setting of damping breach can the blade with treat the cutting area of processing material to reduce the cutting resistance, can effectively reduce the vibration that produces in the course of working, thereby reach the effect of protection drill bit, improvement production efficiency, saving manufacturing cost.

The present invention may be further configured in a preferred embodiment as: the outer surface of the handle part is provided with a vibration reduction groove which extends spirally on the outer surface of the handle part.

Through adopting above-mentioned technical scheme, the vibration that the damping recess can disperse the course of working in produced to reduce the damage that the vibration led to the fact the drill bit, protect the drill bit.

The present invention may be further configured in a preferred embodiment as: the edge of the end face of the handle part, which is far away from one end of the head part, is provided with an arc chamfer.

Through adopting above-mentioned technical scheme, the staff is when taking the drill bit, is kept away from the edge fish tail of the terminal surface of head one end by the stalk portion easily, and the setting of circular arc chamfer can reduce the possibility that the staff is by the fish tail, plays the protection effect.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the cutting area of the drill bit and the material to be processed is reduced, and the vibration generated in the processing process is diffused, so that the damage of the vibration in the processing process to the drill bit is reduced;

2. the processing efficiency is improved, and the production cost is saved;

3. simple structure and safe and convenient use.

Drawings

FIG. 1 is a schematic view of the overall structure of a vibration damping drill bit according to an embodiment;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure, 1, head; 2. a handle; 3. drilling a tip; 4. a vibration damping notch; 5. a vibration reduction groove; 6. and (6) chamfering with an arc.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1-2, a vibration damping drill bit according to the present invention comprises a head 1 and a shank 2 coaxially disposed and integrally formed.

The one end that the stalk portion 2 was kept away from to head 1 is provided with drill point 3, and drill point 3 is coniformly, and the most advanced of drill point 3 deviates from head 1, and drill point 3 sets up with head 1 is coaxial. Four vibration reduction gaps 4 are formed in the cutting edge of one end, away from the handle part 2, of the head part 1, and intervals are reserved among the four vibration reduction gaps 4.

Due to the arrangement of the drill point 3, when the drill bit is used, the end part of the head part 1 is in point contact with a material to be processed, so that not only can the centering be realized quickly, but also the contact area between the drill bit and the material can be reduced, and further, the damage to the drill bit caused by friction and vibration in the processing process is reduced.

Due to the arrangement of the vibration reduction notch 4, the cutting area of the cutting edge of the drill bit and a material to be processed is reduced, so that the cutting resistance is reduced, the vibration generated in the processing process can be effectively reduced, the damage of the vibration to the drill bit is reduced, and the effects of improving the production efficiency and saving the production cost are achieved.

The outer surface of stalk portion 2 is equipped with damping recess 5, and damping recess 5's width is 1mm, and the degree of depth is 0.5mm, and damping recess 5 extends at the surface spiral of stalk portion 2. The vibration reduction grooves 5 can diffuse vibration generated in the machining process, so that damage to the drill bit caused by vibration is reduced, and the drill bit is protected. In addition, the width and the depth of the damping grooves 5 are not uniquely determined values, but can be adjusted according to actual conditions.

When a worker takes the vibration reduction drill, the worker usually holds the handle 2, so that the hand of the worker is easily scratched by the edge of the end face of the handle 2 far away from the head 1. In order to solve the problem, the edge of the end face of the handle 2 far away from one end of the head 1 is provided with the arc chamfer 6, the possibility that the hand is scratched when a worker takes a drill bit can be reduced by the arc chamfer 6, and the protection effect is achieved.

The implementation principle of the embodiment is as follows: due to the arrangement of the drill tip 3, the contact area between the head 1 and a material to be processed can be reduced, so that not only can the centering be realized quickly, but also the damage to the drill bit caused by friction and vibration can be reduced; due to the arrangement of the vibration reduction notch 4, the cutting area between the cutting edge and the material to be processed can be reduced, so that the cutting resistance is reduced, and the damage to the drill bit caused by vibration is reduced; due to the arrangement of the vibration reduction groove 5, the vibration reduction groove 5 can diffuse vibration in the machining process, and damage caused by vibration can be reduced; in conclusion, the vibration reduction drill bit can reduce damage to the drill bit caused by vibration in the using process, improve the production efficiency and save the production cost.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A vibration damping drill bit comprising a head (1) and a shank (2) connected coaxially, characterized in that: a drill tip (3) is arranged at one end, far away from the handle part (2), of the head part (1), the drill tip (3) is conical, the tip of the drill tip (3) deviates from the head part (1), and the drill tip (3) and the head part (1) are coaxially arranged; the cutting edge of one end of the head (1) far away from the handle (2) is provided with a plurality of vibration reduction notches (4), and a gap is reserved between the vibration reduction notches (4).

2. A vibration reducing drill bit as defined in claim 1, wherein: the outer surface of the handle part (2) is provided with a vibration reduction groove (5), and the vibration reduction groove (5) extends spirally on the outer surface of the handle part (2).

3. A vibration reducing drill bit as defined in claim 1, wherein: the edge of the end face of the handle (2) far away from one end of the head (1) is provided with an arc chamfer (6).