CN215966365U

CN215966365U - Cutter for preventing vibration of machining forming part

Info

Publication number: CN215966365U
Application number: CN202121568629.8U
Authority: CN
Inventors: 李振丰; 奚旭东; 孔小波
Original assignee: Suzhou Antima Cutting Tool Technology Co ltd
Current assignee: Suzhou Antima Cutting Tool Technology Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-03-08
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a cutter for preventing a machining forming part from shaking, which comprises a cutting part and a handle part, wherein the front end of the cutting part is provided with a forming part, the forming part comprises a cutter point protection chamfering blade, an avoiding angle blade and a forming blade, and a cutter back protects the chamfering blade from the point to the forming blade; the chip groove extends from the end part of the blade part to the tail part of the blade part; the knife back is provided with an inner cooling hole, the cutting part and the handle part are provided with a main inner cooling channel in a penetrating mode, the cutting part is provided with a branch inner cooling channel communicated with the main inner cooling channel, and the inner cooling hole is communicated with the inner cooling channel. The knife tip protects the chamfer sword and can prevent that the cutter from producing the tipping, dodges the design of angle sword, can prevent to touch the part when processing rear portion R size futilely, and the false relief angle design at shaping position is as the land of special form on the cutting part for the cutter is enough sharp, but intensity is also better, and simultaneous processing is more stable, avoids appearing the phenomenon that the processing position shakes the sword, no matter be size and roughness can both obtain fine guarantee.

Description

Cutter for preventing vibration of machining forming part

Technical Field

The utility model relates to the technical field of cutters, in particular to a cutter capable of preventing a machining forming part from shaking.

Background

For the component in fig. 5, when the internal forming parts on the two sides of the circular hole of the component are machined and formed, the requirements on the profile degree and the size are both guaranteed during the machining of the cutter, and the requirement on the roughness of the forming parts is higher after the machining; when the existing cutter is used for machining the workpiece, machining is unstable, the phenomenon that a machined part shakes is easy to occur, and the size and the roughness are difficult to be well guaranteed.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to provide a cutter for preventing a machining forming part from shaking.

The technical scheme is as follows: in order to achieve the purpose, the cutter for preventing the cutter from shaking at the processing and forming part comprises a cutting part and a handle part, wherein the front end of the cutting part is provided with the forming part, the forming part comprises a cutter point protection chamfering edge, an angle avoiding edge and a forming edge, and a cutter back protects the chamfering edge from the point to the forming edge; the chip groove extends from the end part of the blade part to the tail part of the blade part; the knife back is provided with an inner cooling hole, the cutting part and the handle part are provided with a main inner cooling channel in a penetrating mode, the cutting part is provided with a branch inner cooling channel communicated with the main inner cooling channel, and the inner cooling hole is communicated with the inner cooling channel. The tool nose protection chamfering edge can prevent collapse, and the design of avoiding the angle edge can prevent the part from being touched when the R size position at the rear part is processed.

Further, the forming edge comprises an arc-shaped edge and a 90-degree chamfering edge which are arranged tangentially.

Further, included angles formed by the tool nose protection chamfering blade and the horizontal central axis are both 45 degrees, and an included angle formed by the avoidance angle blade and the horizontal central axis is 5 degrees.

Further, the length of the chip groove is smaller than that of the blade part; the width of chip groove head is less than the width of chip groove afterbody.

Furthermore, an included angle formed between the branch inner cooling channel and the main inner cooling channel is 30 degrees.

Further, the diameter of the blade tail is larger than the shank.

Further, the blade part and the handle part are integrally formed and are coaxially designed.

According to the technical scheme, the utility model has the beneficial effects that:

(1) the cutter for preventing the cutter from shaking at the machining and forming part is reasonable in structural design, the cutter point protects the chamfer edge, the cutter can be prevented from breaking, the design of the angle avoiding edge can prevent the cutter from touching parts when the R size of the rear part is machined, the design of the false clearance angle of the forming part is used as a special-form cutting edge zone on the cutting edge part, the cutter is sharp enough, the strength is good, the machining is stable, the cutter shaking at the machining part is avoided, and the size and the roughness can be well guaranteed.

(2) According to the cutter for processing the shaping part vibration cutter, the cutter back of the shaping part is cooled by water, compared with the water discharged from the chip groove, the cutter has a better cooling effect, the abrasion and chip sticking of the cutting edge of the cutter can be slowed down, the sharpness of the cutting edge is ensured, and the service life is prolonged.

Drawings

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

FIG. 2 is a partial structure diagram of the blade of the present invention;

FIG. 3 is a schematic view of the forming section of the present invention;

FIG. 4 is a left side view of FIG. 1;

FIG. 5 is a schematic structural view of a portion of a part to be machined;

Detailed Description

The utility model is further elucidated with reference to the drawings and the embodiments.

As shown in fig. 1-4, the tool for preventing a forming part from being shaken comprises a cutting part 1 and a handle part 2, wherein a forming part 11 is arranged at the front end of the cutting part 1, a pseudo relief angle 12 is arranged on the forming part, the forming part 11 comprises a tool tip protection chamfer edge 111, an avoidance angle edge 112 and a forming edge 113, and a tool back 114 extends from the tool tip protection chamfer edge 111 to the forming edge 113; the chip discharge groove 116 extends from the end of the blade 1 to the tail of the blade 1; the knife back 114 is provided with an inner cooling hole 115, the blade part 1 and the handle part 2 are provided with a main inner cooling channel 4 in a penetrating manner, the blade part 1 is provided with a branch inner cooling channel 5 communicated with the main inner cooling channel 4, and the inner cooling hole 115 is communicated with the branch inner cooling channel 5.

Wherein the forming edge 113 includes an arc edge 1131 and a 90-degree chamfer edge 1132, both of which are tangentially arranged.

In this embodiment, included angles formed by the tool nose protection chamfer angle blade 111 and the horizontal central axis are both 45 °, and an included angle formed by the avoidance angle blade 112 and the horizontal central axis is 5 °.

The length of the chip groove 116 is smaller than that of the blade 1 in the embodiment; the width of the head of the flute 116 is smaller than the width of the tail of the flute 116.

In this embodiment, the angle formed between the branch inner cooling channel 5 and the main inner cooling channel 4 is 30 °.

In this embodiment, the diameter of the tail of the blade 1 is larger than that of the shank 2.

In the present embodiment, the blade 1 and the shank 2 are integrally formed and coaxially designed.

The examples are given solely for the purpose of illustration and are not to be construed as limitations of the present invention, as various equivalents will occur to those skilled in the art upon reading the present invention and are intended to be within the scope of the utility model as defined in the claims appended hereto.

Claims

1. The utility model provides a prevent cutter that machine-shaping position shakes sword which characterized in that: the forming tool comprises a cutting part (1) and a handle part (2), wherein a forming part (11) is arranged at the front end of the cutting part (1), a false back angle (12) is arranged on the forming part, the forming part (11) comprises a tool nose protection chamfering edge (111), an avoiding angle edge (112) and a forming edge (113), and a tool back (114) extends to the forming edge (113) from the tool nose protection chamfering edge (111); the chip discharge groove (116) extends from the end part of the blade part (1) to the tail part of the blade part (1); be equipped with interior cold bore (115) on back of a knife blade (114), cutting part (1) and stalk portion (2) run through and are equipped with main interior cold aisle (4), are equipped with on cutting part (1) with main interior cold aisle (5) of branch of interior cold aisle (4) intercommunication, interior cold bore (115) and branch interior cold aisle (5) intercommunication.

2. The tool for preventing the vibration of the machining and forming part as claimed in claim 1, wherein: the forming edge (113) comprises an arc-shaped edge (1131) and a 90-degree chamfer edge (1132), and the arc-shaped edge and the 90-degree chamfer edge are tangentially arranged.

3. The tool for preventing the vibration of the machining and forming part as claimed in claim 2, wherein: the included angle formed by the tool nose protection chamfer angle blade (111) and the horizontal central axis is 45 degrees, and the included angle formed by the avoidance angle blade (112) and the horizontal central axis is 5 degrees.

4. The tool for preventing the vibration of the machining and forming part as claimed in claim 1, wherein: the length of the chip groove (116) is less than that of the blade part (1); the width of the head of the chip groove (116) is smaller than that of the tail of the chip groove (116).

5. The tool for preventing the vibration of the machining and forming part as claimed in claim 1, wherein: the included angle formed between the branch inner cooling channel (5) and the main inner cooling channel (4) is 30 degrees.

6. The tool for preventing the vibration of the machining and forming part as claimed in claim 1, wherein: the diameter of the tail part of the blade part (1) is larger than that of the handle part (2).

7. The tool for preventing the vibration of the machining and forming part as claimed in claim 1, wherein: the cutting part (1) and the handle part (2) are integrally formed and are coaxially designed.