CN205129012U

CN205129012U - Machining carbide drill bit

Info

Publication number: CN205129012U
Application number: CN201520842126.3U
Authority: CN
Inventors: 高红花
Original assignee: Hunan Financial and Industrial Vocational Technical College
Current assignee: Hunan Financial and Industrial Vocational Technical College
Priority date: 2015-10-28
Filing date: 2015-10-28
Publication date: 2016-04-06
Anticipated expiration: 2025-10-28

Abstract

The utility model provides a machining carbide drill bit, the present invention comprises a cutter holder, the cutter arbor, the I blade, the I chamfer, the apex angle, the tool bit, the II chamfer, the III chamfer, the hole, the II blade, the screw, the handle of a knife is located the rightmost of alloy bit, the cutter arbor is located the left side of handle of a knife, the I blade is located the forefront of cutter arbor, the I chamfer is located the left comer of I blade, the apex angle is located the high order end of alloy bit, the tool bit is located the right -hand member of apex angle, be equipped with the II chamfer between cutter arbor and handle of a knife, be equipped with the III chamfer in the right corner of handle of a knife, central authorities at the handle of a knife are equipped with the hole, be equipped with the II blade between apex angle and I blade, be equipped with the screw on the plane of II blade, the utility model discloses simple structure, to excrete the performance good, can be fit for the drilling of more complicated material, have higher chasing speed, ability effectively the reduction sword phenomenon collapse, have good wearability to the cutting resistance is little, is fit for multiple rig, drilling machine use.

Description

A kind of machining hard alloy bit

Technical field

The utility model belongs to field of machining, particularly relates to a kind of machining hard alloy bit.

Background technology

Machining drill bit has various, and due to the complexity of part, need to make the carbide drill with fair speed, traditional drill bit makes more complicated, and wearability is inadequate, and easily collapse cutter during boring, drainage performance is poor, and cutting resistance is large, and applicability is not strong.

Utility model content

The purpose of this utility model is a kind of machining hard alloy bit overcoming the problems referred to above and provide, its structure is simple, drainage performance good, the boring of more complicated material can be applicable to, there is higher cutting speed, effectively can reduce and collapse cutter phenomenon, there is good wearability, and cutting resistance is little, is applicable to multiple rig, drilling machine uses.

The technical solution of the utility model is: a kind of machining hard alloy bit, it is characterized in that: it comprises handle of a knife, knife bar, I cutting edge, I chamfering, drift angle, cutter head, II chamfering, III chamfering, endoporus, II cutting edge, screw, handle of a knife is positioned at the rightmost of alloy bit, knife bar is positioned at the left side of handle of a knife, I cutting edge is positioned at the forefront of knife bar, I chamfering is positioned in the left comer of I cutting edge, drift angle is positioned at the high order end of alloy bit, cutter head is positioned at the right-hand member of drift angle, II chamfering is provided with between knife bar and handle of a knife, the right corner of handle of a knife is provided with III chamfering, endoporus is provided with in the central authorities of handle of a knife, II cutting edge is provided with between drift angle and I cutting edge, the plane of II cutting edge is provided with screw.

The further technical scheme of the utility model is: described shank diameter is of a size of ф 16mm, and the length of handle of a knife is 65mm, and the III chamfering of handle of a knife right side is 1.5X45 °.

The utility model further technical scheme is: described knife bar diameter dimension is ф 12mm, the length of knife bar is 55mm, II chamfering between knife bar and handle of a knife is 0.5X45 °, and described I land length is 35mm, and the I chamfering in I cutting edge left comer is 0.25X45 °.

The utility model further technical scheme is: described tool bit diameter is of a size of ф 10.5mm, and cutter head length is 15mm, and described drift angle is of a size of 120 °.

The utility model compared with prior art has following features:

A kind of machining hard alloy bit that the utility model provides, its structure is simple, drainage performance good, the boring of more complicated material can be applicable to, there is higher cutting speed, effectively can reduce and collapse cutter phenomenon, there is good wearability, and cutting resistance is little, is applicable to multiple rig, drilling machine uses.

Accompanying drawing explanation

Accompanying drawing 1 is structural representation of the present utility model;

Accompanying drawing 2 is the A-A cut-away view of accompanying drawing 1.

Detailed description of the invention

Below in conjunction with accompanying drawing, and according to concrete scheme, structure, feature and the effect thereof that the utility model proposes, describe in detail.

As shown in drawings: a kind of machining hard alloy bit, it is characterized in that: it comprises handle of a knife 1, knife bar 2, I cutting edge 3, I chamfering 4, drift angle 5, cutter head 6, II chamfering 7, III chamfering 8, endoporus 9, II cutting edge 10, screw 11, handle of a knife 1 is positioned at the rightmost of alloy bit, knife bar 2 is positioned at the left side of handle of a knife 1, I cutting edge 3 is positioned at the forefront of knife bar 2, I chamfering 4 is positioned in the left comer of I cutting edge 3, drift angle 5 is positioned at the high order end of alloy bit, cutter head 6 is positioned at the right-hand member of drift angle 5, between knife bar 2 and handle of a knife, 1 is provided with II chamfering 7, the right corner of handle of a knife 1 is provided with III chamfering 8, interior 9 holes are provided with in the central authorities of handle of a knife 1, II cutting edge 10 is provided with between drift angle 5 and I cutting edge 3, the plane of II cutting edge 10 is provided with spiral shell 11 hole.

In above-mentioned technical scheme: described handle of a knife 1 diameter dimension is ф 16mm, the length of handle of a knife 1 is 65mm, and the III chamfering 8 of handle of a knife 1 right side is 1.5X45 °.

In above-mentioned technical scheme: described knife bar 2 diameter dimension is ф 12mm, the length of knife bar 2 is 55mm, II chamfering 7 between knife bar 2 and handle of a knife 1 is 0.5X45 °, and described I cutting edge 3 length is 35mm, and the I chamfering 4 in I cutting edge 3 left comer is 0.25X45 °.

In above-mentioned technical scheme: described cutter head 6 diameter dimension is ф 10.5mm, and cutter head 6 length is 15mm, and described drift angle 5 is of a size of 120 °.

Operation principle of the present utility model and using method are: be furnished with handle of a knife 1 at the low order end of alloy bit, for connecting the use of drilling machine, the right corner of handle of a knife 1 is furnished with III chamfering, alloy bit be furnished with drift angle foremost, drift angle 5 is of a size of 120 °, easy feed during for holing, and the I cutting edge 3 of alloy bit and II cutting edge 10 must have hardness, need adopt interior cold-heat treatment mode, the material selection K10 alloy material of alloy bit makes.

Claims

1. a machining hard alloy bit, it is characterized in that: it comprises handle of a knife, knife bar, I cutting edge, I chamfering, drift angle, cutter head, II chamfering, III chamfering, endoporus, II cutting edge, screw, handle of a knife is positioned at the rightmost of alloy bit, knife bar is positioned at the left side of handle of a knife, I cutting edge is positioned at the forefront of knife bar, I chamfering is positioned in the left comer of I cutting edge, drift angle is positioned at the high order end of alloy bit, cutter head is positioned at the right-hand member of drift angle, II chamfering is provided with between knife bar and handle of a knife, the right corner of handle of a knife is provided with III chamfering, endoporus is provided with in the central authorities of handle of a knife, II cutting edge is provided with between drift angle and I cutting edge, the plane of II cutting edge is provided with screw.

2. a kind of machining hard alloy bit according to claim 1, is characterized in that: described shank diameter is of a size of ф 16mm, and the length of handle of a knife is 65mm, and the III chamfering of handle of a knife right side is 1.5X45 °.

3. a kind of machining hard alloy bit according to claim 1, it is characterized in that: described knife bar diameter dimension is ф 12mm, the length of knife bar is 55mm, II chamfering between knife bar and handle of a knife is 0.5X45 °, described I land length is 35mm, and the I chamfering in I cutting edge left comer is 0.25X45 °.

4. a kind of machining hard alloy bit according to claim 1, is characterized in that: described tool bit diameter is of a size of ф 10.5mm, and cutter head length is 15mm, and described drift angle is of a size of 120 °.