CN213969319U

CN213969319U - Chamfering tool

Info

Publication number: CN213969319U
Application number: CN202022413154.7U
Authority: CN
Inventors: 叶征炯
Original assignee: Changzhou Xute Jifeng Tools Co ltd
Current assignee: Changzhou Xute Jifeng Tools Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-08-17
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a chamfer cutter, including the cutter body, the cutter body includes the cutting part of its bottom, and the cutting part comprises first cutting part, second cutting part, first chip groove and second chip groove, and first chip groove and second chip groove are all seted up in the one end surface of cutter body and are the heliciform and distribute at the one end surface of cutter body, and first chip groove and second chip groove carry out the spiral direction and discharge in order with first cutting part and second cutting part to the produced piece of processing work piece chamfer in-process. This chamfer sword comprises first cutting portion, second cutting portion, first chip groove and second chip groove through setting up the cutting portion to the second cutting edge that has first cutting edge of first cutting portion and second cutting portion adopts the design of many relief angles blade, thereby has improved the rigidity of blade, has increased the characteristics of blade wearability.

Description

Chamfering tool

Technical Field

The utility model relates to a chamfer sword technical field, more specifically says, it relates to a chamfer sword.

Background

The chamfering tool is a tool which is assembled on machine tools such as a milling machine, a drilling machine, a planer, a chamfering machine and the like and is used for processing 60-degree or 90-degree chamfering and taper holes of workpieces and chamfering edges, belongs to an end milling cutter, and is also called a chamfering device.

In the machining process of the shell of the electronic device, holes or grooves are formed in the shell, the holes or grooves in the shell are usually required to be subjected to chamfering machining by means of a chamfering tool to remove burrs, the chamfering tool serves as an important component in a tool for machining and can be used for chamfering machining of the grooves or the holes, however, the existing chamfering tool is used in the machining process, due to the fact that the existing chamfering tool is poor in wear resistance and machining cutting points are tool tips of the existing chamfering tool, the chamfering tool is required to be frequently subjected to tool changing and grinding, machining efficiency is low, tool changing is frequent, time and labor are wasted, production is affected, meanwhile, the existing chamfering tool is prone to generate a large amount of heat in the machining process, the existing heat dissipation mode is too single, a good heat dissipation effect cannot be achieved, and then the subsequent chamfering quality of machined workpieces is prone to being affected.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a chamfer sword, it has the utility model discloses a first cutting edge and second cutting edge adopt many relief angle blade design to improve the rigidity of blade, increased the characteristics of blade wearability.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a chamfering tool comprises a tool body, wherein the tool body comprises a cutting part at the bottom of the tool body, the cutting part comprises a first cutting part, a second cutting part, a first chip groove and a second chip groove, and the first chip groove and the second chip groove are both arranged on the outer surface of one end of the tool body and are spirally distributed on the outer surface of one end of the tool body;

the first chip groove and the second chip groove lead chips generated in the process of chamfering the machined workpiece to be subjected to spiral guiding and orderly discharge.

Furthermore, the first cutting part, the second cutting part, the first chip groove and the second chip groove are equal in number, and the plurality of first cutting parts, the plurality of second cutting parts, the plurality of first chip grooves and the plurality of second chip grooves are distributed in an annular array by taking the axis of the cutter body as a center line;

through the technical scheme, the cutting part is arranged at the bottom of the cutter body, so that chamfering processing of the processed workpiece is facilitated.

Further, the first cutting portion is composed of a first cutting edge, the diameter of the first cutting edge is D1, and the diameter of the first cutting edge is larger than that of the cutter body.

Further, the second cutting part consists of a second cutting edge, the diameter of the second cutting edge is D2, and the diameter of the second cutting edge is smaller than that of the cutter body;

through the technical scheme, the chamfering processing can be conveniently carried out on the subsequent processing workpiece.

Further, the diameter of the cutter body ranges from 50mm to 50.1mm, and the total length of the cutter body and the cutting part is 225.9 mm.

Further, a cavity is arranged inside the cutter body, and a heat conducting layer is fixedly bonded on the inner wall of the cavity;

through the technical scheme, the cavity has a fixing effect on the heat conducting layer.

Furthermore, graphene is arranged inside the heat conducting layer, and transformer oil is arranged inside the cavity;

through above-mentioned technical scheme, the cavity is inside to be provided with transformer oil and to carry out preliminary quick heat dissipation to the heat.

To sum up, the utility model discloses following beneficial effect has:

1. the cutting part is composed of the first cutting part, the second cutting part, the first chip groove and the second chip groove, so that the first cutting edge with the first cutting part and the second cutting edge with the second cutting part adopt a multi-relief angle cutting edge design, the rigidity of the cutting edge is improved, and the wear resistance of the cutting edge is improved.

2. The cavity is arranged in the cutter body, the heat conducting layer is fixedly bonded on the inner wall of the cavity, and therefore when the cutter body is used for machining, firstly, the cutting portion conducts heat generated by chamfering and cutting a workpiece to be machined to the cavity through the heat conducting layer, secondly, transformer oil is arranged in the cavity to conduct preliminary quick heat dissipation on the heat, and finally, the transformer oil is further cooled by matching with external cooling liquid, and the heat dissipation effect is good.

Drawings

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

FIG. 2 is a right side view of the cutting portion structure of the present invention;

fig. 3 is a sectional view of the cutting portion of the present invention.

In the figure: 1. a cutter body; 2. a first chip discharge groove; 3. a second chip groove; 4. a first cutting edge; 5. a second cutting edge; 6. a cavity; 7. a heat conductive layer; 8. a cutting part.

Detailed Description

Example (b):

the present invention will be described in further detail with reference to the accompanying fig. 1-3.

A chamfer cutter comprises a cutter body 1, wherein the cutter body 1 comprises a cutting part 8 at the bottom of the cutter body, the cutting part 8 consists of a first cutting part, a second cutting part, a first chip-removing groove 2 and a second chip-removing groove 3, and the first chip-removing groove 2 and the second chip-removing groove 3 are both arranged on the outer surface of one end of the cutter body 1 and are spirally distributed on the outer surface of one end of the cutter body 1;

the first chip grooves 2 and the second chip grooves 3 guide the chips generated in the process of chamfering the machined workpiece in a spiral mode and discharge the chips in sequence.

As shown in fig. 1 to 3, the first cutting portion, the second cutting portion, the first chip groove 2 and the second chip groove 3 are equal in number, the plurality of first cutting portions, the plurality of second cutting portions, the plurality of first chip grooves 2 and the plurality of second chip grooves 3 are distributed in an annular array with the axis of the cutter body 1 as a central line, the first cutting portion is composed of first cutting edges 4, the diameter of each first cutting edge 4 is D1, the diameter of each first cutting edge 4 is larger than that of the cutter body 1, the diameter of each second cutting portion is composed of second cutting edges 5, the diameter of each second cutting edge 5 is D2, the diameter of each second cutting edge 5 is smaller than that of the cutter body 1, the diameter of the cutter body 1 ranges from 50mm to 50.1mm, the total length of the cutter body 1 and the cutting portions 8 is 225.9mm, a cavity 6 is arranged inside the cutter body 1, a heat conduction layer 7 is fixed on the inner wall of the cavity 6, graphene is arranged inside the heat conduction layer 7, transformer oil is arranged in the cavity 6;

as shown in fig. 1-3, further, the bottom of the cutter body 1 is provided with the cutting portion 8 to facilitate chamfering of the machined workpiece, so that chamfering of the subsequent machined workpiece can be facilitated, the cavity 6 has a fixing effect on the heat conducting layer 7, and transformer oil is arranged inside the cavity 6 to primarily and rapidly dissipate heat.

As shown in fig. 1-3, the cutting portion 8 is composed of a first cutting portion, a second cutting portion, a first chip groove 2 and a second chip groove 3, so that the first cutting edge 4 with the first cutting portion and the second cutting edge 5 with the second cutting portion adopt a multi-relief angle cutting edge design, thereby improving the rigidity of the cutting edge and increasing the wear resistance of the cutting edge.

As shown in fig. 1-3, a cavity 6 is arranged inside the cutter body 1, and a heat conduction layer 7 is fixedly bonded on the inner wall of the cavity 6, so that when the cutter body is used for machining, firstly, heat generated by chamfering and cutting a workpiece to be machined is transferred to the cavity 6 through the heat conduction layer 7, secondly, transformer oil is arranged inside the cavity 6 to primarily and quickly dissipate the heat, and finally, the transformer oil is further dissipated by matching with external cooling liquid, so that the cutter body has the characteristic of good heat dissipation effect.

The working principle is as follows: when the processing is used, firstly, the cutting part 8 transfers heat generated by chamfering a processed workpiece to the cavity 6 through the heat conduction layer 7, secondly, the transformer oil arranged in the cavity 6 primarily and quickly dissipates the heat, and finally, the transformer oil is further dissipated by matching with external cooling liquid.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a chamfer sword, includes cutter body (1), its characterized in that: the cutter body (1) comprises a cutting part (8) at the bottom of the cutter body, the cutting part (8) consists of a first cutting part, a second cutting part, a first chip removal groove (2) and a second chip removal groove (3), and the first chip removal groove (2) and the second chip removal groove (3) are both arranged on the outer surface of one end of the cutter body (1) and are spirally distributed on the outer surface of one end of the cutter body (1);

the first chip groove (2) and the second chip groove (3) are used for spirally guiding and orderly discharging chips generated in the process of chamfering the machined workpiece by the first cutting part and the second cutting part;

the first cutting part consists of a first cutting edge (4), the diameter of the first cutting edge (4) is D1, and the diameter of the first cutting edge (4) is larger than that of the cutter body (1);

the second cutting part consists of a second cutting edge (5), the diameter of the second cutting edge (5) is D2, and the diameter of the second cutting edge (5) is smaller than that of the cutter body (1);

the diameter range of the cutter body (1) is 50mm-50.1mm, and the total length of the cutter body (1) and the cutting part (8) is 225.9 mm;

a cavity (6) is arranged inside the cutter body (1), and a heat conducting layer (7) is fixedly bonded on the inner wall of the cavity (6);

graphene is arranged inside the heat conducting layer (7), and transformer oil is arranged inside the cavity (6).

2. The chamfer cutter according to claim 1, wherein: the number of the first cutting parts, the number of the second cutting parts, the number of the first chip discharge grooves (2) and the number of the second chip discharge grooves (3) are equal, and the first cutting parts, the second cutting parts, the first chip discharge grooves (2) and the second chip discharge grooves (3) are distributed in an annular array mode by taking the axis of the cutter body (1) as a center line.