CN212599215U

CN212599215U - Polycrystalline diamond high-stability precision milling blade

Info

Publication number: CN212599215U
Application number: CN202021309799.XU
Authority: CN
Inventors: 李莺
Original assignee: Suzhou Tengdao Automation Equipment Co ltd
Current assignee: Suzhou Tengdao Automation Equipment Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-02-26
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a belongs to the technical field of milling cutter piece, in particular to a polycrystalline diamond high-stability precision milling cutter piece, which comprises a cutter piece body, wherein the top view of the cutter piece body is a square with cut edges and corners, the cutting edges are arranged in front of four corners of the cutter piece body, the chip breakers are arranged in front of the four corners of the cutter piece body, four chip breakers are respectively arranged at the inner sides of the four cutting edges, the four side surfaces of the cutter piece body are all isosceles trapezoids, only one to two edges of the existing polycrystalline diamond cutter piece are provided with the cutting edges, the whole polycrystalline diamond cutter piece can report waste after the cutting edges are worn, the square with cut edges and the cutting edges are arranged at the original four edges of the cutter piece body, so that the utility model has four cutting edges, thereby prolonging the service life of the utility model, thereby reducing the loss cost of the polycrystalline diamond blade.

Description

Polycrystalline diamond high-stability precision milling blade

Technical Field

The utility model relates to a milling cutter piece technical field specifically is a polycrystalline diamond high stability precision milling cutter piece.

Background

The polycrystalline diamond blade has the advantages of extremely high hardness and wear resistance, low friction coefficient, high elastic modulus, high thermal conductivity, low thermal expansion coefficient, small affinity with nonferrous metal and the like, and can be used for precisely processing nonmetal hard and brittle materials such as graphite, high wear-resistant materials, composite materials, high-silicon aluminum alloy and other tough nonferrous metal materials.

The blade mainly cuts the material by the cutting edge, and after the cutting edge wearing and tearing, the blade just can report useless, and the blade usually has three to four edges and corners, and current polycrystalline diamond blade only has one to two edges and corners and has the cutting edge, and whole polycrystalline diamond blade just can report useless after the cutting edge wearing and tearing, and polycrystalline diamond blade's cost is higher, can increase the manufacturing cost of enterprise like this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polycrystalline diamond high stability precision milling cutter piece to solve the current polycrystalline diamond blade that proposes in the above-mentioned background art and only one to two edges and corners have the problem of cutting edge.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a precision milling cutter piece is stabilized to polycrystalline diamond height, includes the blade body, the plan view of blade body is the square of being amputated the edges and corners, four turning the place ahead of blade body all is provided with the cutting edge, the chip breaker groove has all been seted up in the place ahead at four turnings of blade body, four the chip breaker groove is respectively in the inboard of four cutting edges, four sides of blade body all are isosceles trapezoid.

Preferably, the included angles between the front face of the blade body and the four side faces of the blade body are all 60 degrees.

Preferably, the included angles of the tool tips of the four cutting edges are all 20 degrees.

Preferably, the cutting faces of the four cutting edges are all at 120 ° to the front face of the insert body.

Preferably, the circular arc radiuses of the tool noses of the four cutting edges are all 5 mm.

Preferably, the length of each of the four cutting edges is 1 cm.

Preferably, the four chip breakers are all straight arc-shaped chip breakers.

Compared with the prior art, the beneficial effects of the utility model are that:

1) only one to two edges of the existing polycrystalline diamond blade are provided with cutting edges, and the whole polycrystalline diamond blade can report waste after the cutting edges are worn, the front surface of the blade body of the utility model is provided with a square for cutting off the edges, and the cutting edges are arranged at the original four edges of the blade body, so that the utility model has four cutting edges, thereby prolonging the service life of the utility model and further reducing the loss cost of the polycrystalline diamond blade;

2) the chip breaker can minimize the contact area of the cutting edge and chips, so as to reduce the abrasion of the cutting edge and improve the service life of the cutting edge.

Drawings

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

fig. 2 is a schematic left side view of the sectional structure of the present invention.

In the figure: 1 blade body, 2 cutting edges, 3 chip breakers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-2, the present invention provides a technical solution: a polycrystalline diamond high-stability precision milling blade comprises a blade body 1, wherein the top view of the blade body 1 is square with cut edges, cutting edges 2 are arranged in front of four corners of the blade body 1, the blade body 1 and the cutting edges 2 are formed by integrally casting polycrystalline diamond, the polycrystalline diamond blade has the advantages of high hardness, wear resistance, low friction coefficient, high elastic modulus, high thermal conductivity, low thermal expansion coefficient, low affinity with nonferrous metals and the like, and can be used for high-stability precision machining, chip breakers 3 are arranged in front of the four corners of the blade body 1, the four chip breakers 3 are respectively arranged at the inner sides of the four cutting edges 2, and after chips are contacted with the chip breakers 3, the chips can be bent at the chip breakers 3 to break, so that the chips are broken, and overlong high-temperature chips can be prevented from being contacted with the cutting edges 2, so that the abrasion of the cutting edges is reduced, the four sides of the insert body 1 are all isosceles trapezoids, so that the insert body 1 is prevented from interfering with the milling of the cutting edge 2.

The included angles between the front surface of the insert body 1 and the four side surfaces of the insert body 1 are all 60 degrees, that is, the insert body 1 can be prevented from interfering with the milling of the cutting edge 2, and sufficient supporting force can be provided for the cutting edge 2.

The included angles of the tool tips of the four cutting edges 2 are all 20 degrees, and the tool is sharper by reducing the included angles of the tool tips.

The included angles between the cutting surfaces of the four cutting edges 2 and the front surface of the blade body 1 are all 120 degrees, the included angles between the cutting surfaces of the cutting edges 2 and the blade body 1 are increased, and the axial cutting force of the cutting edges 2 can be reduced.

The arc radiuses of the tool tips of the four cutting edges 2 are 5mm, and the tool tips of the cutting edges 2 can be prevented from being too sharp through arcs, so that the tool tips are too sharp, and the cutting edges 2 are easy to break.

The length of the four cutting edges 2 is 1cm, so that the cutting edges 2 are prevented from being too long, and the milling resistance is prevented from being too large.

The four chip breakers 3 are all straight arc-shaped chip breakers, so that broken chips can conveniently slide out of the chip breakers 3.

The working principle is as follows: install blade body 1 on milling cutter, make the material contact that one of them cutting edge 2 and needs milled, after this cutting edge 2 wearing and tearing, can pull down blade body 1 from milling cutter, with blade body 1 clockwise rotation 90 back, install blade body 1 on milling cutter again, at this moment have a cutting edge 2 again and the material contact that needs mill, analogize in proper order, until four cutting edges 2 all wear and tear the back, the utility model discloses the blade just can be scrapped.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accurate milling cutter piece of stable of polycrystalline diamond, includes blade body (1), its characterized in that: the top view of blade body (1) is the square of excision edges and corners, four turning the place ahead of blade body (1) all are provided with cutting edge (2), chip breaker groove (3) have all been seted up, four in the place ahead at four turnings of the body of blade body (1) chip breaker groove (3) are respectively in the inboard of four cutting edge (2), four sides of blade body (1) all are isosceles trapezoid.

2. The polycrystalline diamond high stability precision milling insert of claim 1, wherein: the included angles between the front surface of the blade body (1) and the four side surfaces of the blade body (1) are all 60 degrees.

3. The polycrystalline diamond high stability precision milling insert of claim 1, wherein: the included angles of the tool tips of the four cutting edges (2) are all 20 degrees.

4. The polycrystalline diamond high stability precision milling insert of claim 1, wherein: the included angles between the cutting surfaces of the four cutting edges (2) and the front surface of the blade body (1) are all 120 degrees.

5. The polycrystalline diamond high stability precision milling insert of claim 1, wherein: the arc radiuses of the tool tips of the four cutting edges (2) are all 5 mm.

6. The polycrystalline diamond high stability precision milling insert of claim 1, wherein: the lengths of the four cutting edges (2) are all 1 cm.

7. The polycrystalline diamond high stability precision milling insert of claim 1, wherein: the four chip breakers (3) are all straight arc chip breakers.