CN212310938U

CN212310938U - Drilling, reaming and chamfering integrated forming cutter

Info

Publication number: CN212310938U
Application number: CN202021018503.9U
Authority: CN
Inventors: 傅铭桓
Original assignee: Guangzhou Bada Precision Tool Co ltd
Current assignee: Guangzhou Bada Precision Tool Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-01-08
Anticipated expiration: 2030-06-05

Abstract

The utility model provides a bore hinge chamfer integrated into one piece cutter, relates to the cutter field, including the handle of a knife to and install the cutting edge in handle of a knife one end, its characterized in that: the cutting edge includes about the handle of a knife axle center is a pair of drill point and two pairs of reamer that centrosymmetric set up, a pair of drill point is drill point A and drill point B respectively, two pairs of reamer are reamer A and reamer C, reamer B and reamer D respectively, reamer A and reamer C are located respectively drill point A and drill point B clockwise's rear end, reamer B and reamer D are located respectively reamer A and reamer C clockwise's rear end, reamer A and reamer C are close to the one end of handle of a knife all is equipped with 45 chamfer sword, the utility model discloses long service life, machining precision is high, adopts drill bit, reamer and chamfer combination as an organic whole, and one-time operation just can accomplish the processing task, reduces the process, not only saves cost but also raises the efficiency, reduces manufacturing cost by a wide margin, can be better moreover reach the expectancy effect.

Description

Drilling, reaming and chamfering integrated forming cutter

Technical Field

The utility model relates to a cutter field, concretely relates to bore hinge chamfer integrated into one piece cutter.

Background

The cutting tool is a tool used for cutting machining in machine manufacturing, and is also called a cutting tool, and most of the cutting tools are used for machines, but are also used for hands. Since tools used in machine manufacturing are basically used for cutting metal materials, the term "tool" is generally understood to mean a metal cutting tool.

At present, due to the fact that the design level is higher and higher, the technical requirements for machining parts are higher and higher, and various hole machining with high precision requirements generally exist in the machining process of mechanical parts. Because the requirement of the aperture is higher, the drilling is usually carried out firstly, and then the chambering, chamfering and finish reaming are carried out to meet the requirement of high precision. In order to obtain a high-precision hole, two procedures of drilling and reaming are generally needed, a drill bit is used for pre-drilling a bottom hole, and a reamer is used for ensuring the dimensional tolerance and the roughness, so that a cutter needs to be frequently replaced in the machining operation, the disassembling and installing steps are complex, the machining efficiency is reduced, and the machining cost is increased by using various cutters.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve current cutter processing and just need frequent change cutter in the processing operation, it is complicated to dismantle the installation procedure, has reduced machining efficiency to use multiple cutter, improved the technical defect of processing cost.

For solving the technical problem, the utility model discloses the technical scheme who adopts does:

the utility model provides a bore hinge chamfer integrated into one piece cutter, includes the handle of a knife to and install the cutting edge in handle of a knife one end, its characterized in that: the cutting edge includes about the handle of a knife axle center is a pair of drill point and two pairs of reamer that centrosymmetric set up, a pair of drill point is respectively drill point A and drill point B, two pairs of reamer are reamer A and reamer C, reamer B and reamer D respectively, reamer A and reamer C are located respectively drill point A and drill point B clockwise's rear end, reamer B and reamer D are located respectively reamer A and reamer C clockwise's rear end, reamer A and reamer C are close to the one end of handle of a knife all is equipped with 45 chamfer sword.

Furthermore, a first main chip groove is formed between the drill edge A and the reamer edge D, a second main chip groove is formed between the drill edge B and the reamer edge B, and the first main chip groove and the second main chip groove are arranged in a central symmetry mode about the axis of the cutter handle.

Furthermore, a third chip groove is formed between the drill edge A and the hinge edge A, a fourth chip groove is formed between the drill edge B and the hinge edge C, and the third chip groove and the fourth chip groove are arranged in a manner of being centrosymmetric with respect to the axis of the cutter handle.

Furthermore, a fifth chip groove is formed between the hinge blade A and the hinge blade B, a sixth chip groove is formed between the hinge blade C and the hinge blade D, and the fifth chip groove and the sixth chip groove are arranged in a manner of being centrosymmetric with respect to the axis of the cutter handle.

The angle of the blade is 120 deg..

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses long service life, the machining precision is high, adopts drill bit, reamer and chamfer to combine as an organic whole, and a job just can accomplish the processing task, reduces and says the process, adds a finish machining sword and chamfer sword at the drill bit, guarantees that the drill bit has the function of reaming and chamfer, not only saves the cost but also raises the efficiency, reduces manufacturing cost by a wide margin, and the requirement of reaming can be reached to the expected effect of reaching that moreover can be better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

fig. 2 is a schematic view of the specific angle structure of the present invention;

fig. 3 is a schematic structural diagram of view angle a of fig. 1 according to the present invention.

In the figure: 1. the drill bit comprises a shank, 2 cutting edges, 21 drill edges A, 22 reamer edges A, 23 reamer edges B, 24 drill edges B, 25 reamer edges C, 26 reamer edges D, 31, a first main chip groove, 32, a second chip groove, 41, a third chip groove, 42, a fourth chip groove, 51, a fifth chip groove and 52, and a sixth chip groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in FIGS. 1-3, a drilling, reaming and chamfering integrated cutter comprises a cutter handle 1 and a cutting edge 2 arranged at one end of the cutter handle 1, and is characterized in that: the cutting edge 2 comprises a pair of drill edges and two pairs of reamer edges, the drill edges are symmetrically arranged in the center of the cutter handle 1, the pair of drill edges are respectively a drill edge A21 and a drill edge B24, the two pairs of reamer edges are respectively a reamer edge A22 and a reamer edge C25, a reamer edge B23 and a reamer edge D26, the reamer edge A22 and the reamer edge C25 are respectively located at the rear ends of the drill edge A21 and the drill edge B24 in the clockwise direction, the reamer edge B23 and the reamer edge D26 are respectively located at the rear ends of the reamer edge A22 and the reamer edge C25 in the clockwise direction, and one ends, close to the cutter handle 1, of the reamer edge A22 and the reamer edge C25 are respectively provided with 45-degree chamfer edges 6.

After the drill bit A21 and the drill bit B24 drill, the reamer A22 and the reamer C25 participate in reaming processing, the reamer B23 and the reamer D26 participate in finish reaming again, the base person A22 and the 45-degree chamfer edge 6 at the tail end of the reamer C25 participate in cutting after the drill bit is drilled to a certain depth, and finally the orifice chamfering is finished at one time.

Specifically, as shown in the figure, a first main chip groove 31 is formed between the drill edge a21 and the reamer edge D26, a second main chip groove 32 is formed between the drill edge B24 and the reamer edge B23, and the first main chip groove 31 and the second main chip groove 32 are arranged in a central symmetry manner with respect to the axis of the tool holder 1.

Specifically, as shown in the figure, a third chip groove 41 is arranged between the drill edge a21 and the reamer edge a22, a fourth chip groove 42 is arranged between the drill edge B24 and the reamer edge C25, and the third chip groove 41 and the fourth chip groove 42 are arranged in a central symmetry manner with respect to the axis of the knife handle 1.

Specifically, as shown in the figure, a fifth chip discharge groove 51 is formed between the reamer a22 and the reamer B23, a sixth chip discharge groove 52 is formed between the reamer C25 and the reamer D26, and the fifth chip discharge groove 51 and the sixth chip discharge groove 52 are arranged in a central symmetry manner with respect to the axis of the knife handle 1.

In particular, as shown, the angle of the cutting edge 2 is 120 °.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a bore hinge chamfer integrated into one piece cutter, includes handle of a knife (1) to and install cutting edge (2) in handle of a knife (1) one end, its characterized in that: cutting edge (2) include about handle of a knife (1) axle center is a pair of drill point and two pairs of reamer that centrosymmetric set up, a pair of drill point is respectively drill point A (21) and drill point B (24), two pairs of reamer are respectively reamer A (22) and reamer C (25), reamer B (23) and reamer D (26), reamer A (22) and reamer C (25) are located respectively drill point A (21) and drill point B (24) clockwise's rear end, reamer B (23) and reamer D (26) are located respectively reamer A (22) and reamer C (25) clockwise's rear end, reamer A (22) and reamer C (25) are close to the one end of handle of a knife (1) all is equipped with chamfer sword (6) of 45.

2. The drilling, reaming and chamfering integrated forming tool as claimed in claim 1, wherein: be equipped with first main chip groove (31) between drill edge A (21) and reamer D (26), be equipped with second main chip groove (32) between drill edge B (24) and reamer B (23), first main chip groove (31) and second main chip groove (32) about handle of a knife (1) axle center is central symmetry and sets up.

3. The drilling, reaming and chamfering integrated forming tool as claimed in claim 1, wherein: be equipped with third chip groove (41) between drill edge A (21) and reamer A (22), be equipped with fourth chip groove (42) between drill edge B (24) and reamer C (25), third chip groove (41) and fourth chip groove (42) about handle of a knife (1) axle center is central symmetry and sets up.

4. The drilling, reaming and chamfering integrated forming tool as claimed in claim 1, wherein: be equipped with fifth chip groove (51) between reamer A (22) and reamer B (23), be equipped with sixth chip groove (52) between reamer C (25) and reamer D (26), fifth chip groove (51) and sixth chip groove (52) about handle of a knife (1) axle center is central symmetry and sets up.

5. The drilling, reaming and chamfering integrated forming tool as claimed in claim 1, wherein: the angle of the cutting edge (2) is 120 degrees.