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Cutting blade and cutting tool

A cutting insert and cutting tool technology, applied in milling cutters, manufacturing tools, metal processing equipment, etc., can solve problems affecting life stability, residual stress, etc., to increase cutting life, reduce cutting resistance, and reduce cutting power. effect of demand

Active Publication Date: 2022-03-11
ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing polishing process can easily cause changes in the microscopic morphology, resulting in geometric differences in the indexing edge of the insert, which affects its life stability. The coating can effectively slow down the wear of the insert, but the existing PVC and CVD processes will cause the internal state of tensile stress. causing residual stress problems

Method used

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  • Cutting blade and cutting tool
  • Cutting blade and cutting tool
  • Cutting blade and cutting tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Such as Figure 1 to Figure 4 As shown, the cutting blade of this embodiment includes a blade body 1, the blade body 1 includes an upper surface 2, a lower surface 4 and a plurality of side surfaces 3 arranged between the upper surface 2 and the lower surface 4, and the blade body 1 is provided with at least A group of cutting units 5, the cutting unit 5 is located between any two adjacent sides 3, the upper surface 2 intersects with the two adjacent sides 3 to form a main cutting edge 51, the main cutting edge 51 constitutes the cutting unit 5, the blade The position of the main body 1 corresponding to the cutting unit 5 is provided with a lyophobic guide surface 6 and a lyophilic groove 7. The lyophilic groove 7 is arranged in the upper surface 2, and the lyophobic guide surface 6 is arranged between the cutting unit 5 and the lyophilic groove 7. The liquid guide surface 6 has a surface texture that can reduce surface friction.

[0035] Studies have shown that the sm...

Embodiment 2

[0051] Such as Figure 6 As shown, the cutting tool of the present embodiment includes a cutter body 9, and also includes the cutting blade in Embodiment 1. The cutter body 9 is provided with a plurality of sipes 91 along the circumference, and a cutting blade is installed in each sipe 91, and the sipes 91 includes a groove bottom surface 901 and two groove positioning sides 902, the lower surface 4 of the blade body 1 is in contact with the groove bottom surface 901, the two adjacent sides 3 of the blade body 1 are in contact with the two groove positioning sides 902, and the knife groove 91 is provided with The cooling hole 92 faces the lyophilic groove 7 of the blade body 1 .

[0052] In this embodiment, the cutter body 9 rotates clockwise around the center line O in the direction of rotation, or it is called right-handed in the industry, and includes the same number of sipes 91 as the number of cutting blades. In this embodiment, the number of blades and sipes 91 is 16. i...

Embodiment 3

[0057] Such as Figure 7 to Figure 9 As shown, the cutting insert of this embodiment differs from Embodiment 1 only in that:

[0058] In this embodiment, the blade body 1 has a regular heptagonal structure. A second transition arc side 34 is provided between the adjacent two side faces 3 corresponding to the cutting unit 5, and the second transition arc side 34 and the side faces 3 on both sides are connected by a second straight side 35, and the upper surface 2 and the The second transition arc side surface 34 intersects to form a second transition cutting edge 54, and the upper surface 2 intersects with the second straight side surface 35 to form a second cutting straight edge 55. The second transition cutting edge 54, two second cutting straight edges 55 and two Each main cutting edge 51 constitutes a group of cutting units 5 . The second straight cutting edge 55 plays a smoothing effect. The second transitional cutting edge 54 is smoothly connected with two second strai...

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Abstract

The invention discloses a cutting blade and a cutting tool. The cutting blade includes a blade body. The blade body includes an upper surface, a lower surface and a plurality of side surfaces. The blade body is provided with at least one group of cutting units. Between two side surfaces, the upper surface intersects with the two adjacent side surfaces to form a main cutting edge, the main cutting edge constitutes a cutting unit, the position of the blade body corresponding to the cutting unit is provided with a lyophobic guide surface and a lyophilic groove, and the lyophobic guide surface Located between the cutting unit and the lyophilic groove, the lyophobic guiding surface has a surface texture that can reduce surface friction. The cutting tool includes a cutter body and the above-mentioned cutting blade, the cutter body is provided with a plurality of sipes along the circumference, and a cutting blade is installed in each sipe, the cooling holes of the sipes face the lyophilic groove of the blade, and the lyophobic guide surface of the present invention It is a surface texture that can reduce surface friction, significantly reduce the friction resistance of the tool, improve the lubrication effect of the grinding fluid, reduce tool wear, and increase the life of the cutting unit blade.

Description

technical field [0001] The invention relates to metal cutting, in particular to a cutting blade and a cutting tool. Background technique [0002] The structure of the double-sided groove insert is simple, which is negative blade structure. The large surface of the groove and the side plane are in contact with the positioning surface of the tool. This structure makes mold manufacturing convenient, high forming precision, large positioning surface can obtain good rigidity, and stable positioning. It is widely used in high-speed rotary milling and non-rotary cutting. Compared with conventional single-sided positive angle milling inserts, one more side Cutting tip and cutting edge are available. [0003] In the process of cutting metal materials, how to reduce tool material wear, reduce cutting friction resistance, and improve tool wear resistance and service life are research hotspots. In recent years, the application of coatings can effectively reduce wear and wear and impro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23C5/02B23C5/20B23C5/22B23C5/28
CPCB23C5/02B23C5/20B23C5/28B23C5/22
Inventor 刘爱强赵志伟王飞易为江凌燕
Owner ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO LTD
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