CN219924669U

CN219924669U - PCBN milling cutter blade

Info

Publication number: CN219924669U
Application number: CN202320633618.6U
Authority: CN
Inventors: 禹建秋; 杨天顺; 陈林忠; 禹建刚; 张佳林
Original assignee: Zhengzhou Gaokuo Cnc Tool Co ltd
Current assignee: Zhengzhou Gaokuo Cnc Tool Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-10-31
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a PCBN milling cutter blade, in particular to the technical field of milling cutters, which comprises a cutter handle, wherein a connecting assembly is arranged on the cutter handle and comprises a first cutter body arranged at one end of the cutter handle, and a third cutter body is arranged at one end of the first cutter body. According to the utility model, the connecting component is arranged, the material is contacted with the material through the guide chute and the pressurizing cushion knife, the pressurizing cushion knife and the guide chute mill, the knife handle approaches the material again, so that the extension blade and the reinforcing blade are contacted with the material, the material is milled by the extension blade and the reinforcing blade, the function of processing different requirements without changing the milling cutter is realized, the reinforcing blade is contacted with the material, the side surface of the extension blade can support the reinforcing blade, and the bearing performance of the stress of the reinforcing blade is improved.

Description

PCBN milling cutter blade

Technical Field

The utility model relates to the technical field of milling cutters, in particular to a PCBN milling cutter blade.

Background

PCBN, i.e. polycrystalline cubic boron nitride, is used as a novel tool material which is synthesized by an artificial method and has hardness inferior to that of natural diamond, is the most suitable tool material for high-speed cutting of ferrous metals, and a milling cutter is a rotary tool for milling and provided with one or more cutter teeth. When in operation, each cutter tooth cuts off the allowance of the workpiece intermittently in sequence. Milling cutters are mainly used for machining planes, steps, grooves, forming surfaces, cutting workpieces, etc. on milling machines.

The utility model patent with the patent application number of CN201320190671.X discloses a milling blade, which comprises a prism and a head body integrally arranged at least one end of the prism, wherein the head body is a spherical crown body, a conical body, a truncated spherical crown body or a truncated conical body, the axis of which coincides with the axis of the prism, and the intersection line of the spherical crown surface, the conical surface, the truncated spherical crown surface or the truncated conical surface of the head body and the side surface of the prism forms a cutting edge extending along a curve;

when the structure is used, the part used for cutting on the cutter blade body is converted into the other section of the cutting edge by rotating the cutter blade, the cutting part on the cutter blade can be corrected without sharpening the existing cutting part of the cutter blade, so that the sharpening frequency of the cutter blade is reduced, but the structure can only machine the required size of a single material when in use, the milling cutter also needs to be replaced when materials with different sizes need to be processed, and the structure is not convenient and fast when in use.

Disclosure of Invention

The technical scheme of the utility model aims at the technical problem that the prior art is too single, and provides a solution which is obviously different from the prior art. In order to overcome the defects in the prior art, the utility model provides a PCBN milling blade, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a PCBN milling blade comprises a cutter handle, wherein a connecting assembly is arranged on the cutter handle;

the connecting assembly comprises a first cutter body arranged at one end of the cutter handle, and a third cutter body is arranged at one end of the first cutter body;

the end part of the third cutter body is circumferentially provided with a plurality of reinforcing blades along the axis point of the third cutter body;

a plurality of guide grooves are distributed on the outer side of the third cutter body along the circumference of the axis point of the third cutter body;

a plurality of extension blades are circumferentially distributed on the outer side of the first cutter body along the axis point of the first cutter body, and one side of each extension blade is respectively provided with an inclined cutting edge;

and one side of each of the plurality of extending blades is provided with a limiting groove which is positioned on the first cutter body, the limiting grooves are circumferentially distributed along the axis point of the first cutter body, a plurality of reinforcing blades matched with the corresponding limiting grooves are respectively arranged in the limiting grooves, one end of each reinforcing blade extends to the outer side of the extending blade, and a plurality of pressurizing cushion cutters are respectively arranged in the guide grooves.

The utility model has the technical effects and advantages that:

compared with the prior art, the device has the advantages that the device is simple in overall design and reasonable in structure, and through corresponding cooperation of the structures, the material is contacted with the pressurizing cushion knife through the guide chute and the pressurizing cushion knife, and the pressurizing cushion knife and the guide chute are used for milling;

simultaneously be close to the material through the handle of a knife once more for extension blade and enhancement blade contact with the material, mill the material by extension blade and enhancement blade, realize need not to change milling cutter and can realize the function to different demand processing, strengthen blade and material contact, the side of extension blade can support the enhancement blade, improves the bearing performance of enhancement blade atress.

Drawings

In order to more clearly illustrate the technical solutions of the present disclosure, the drawings that need to be used in some embodiments of the present disclosure will be briefly described below, and it is apparent that the drawings in the following description are only drawings of some embodiments of the present disclosure, and other drawings may be obtained according to these drawings to those of ordinary skill in the art. Furthermore, the drawings in the following description may be regarded as schematic diagrams, not limiting the actual size of the products, the actual flow of the methods, the actual timing of the signals, etc. according to the embodiments of the present disclosure.

Fig. 1 is a front view of the overall structure of the present utility model.

FIG. 2 is a right side view of the present utility model.

Fig. 3 is a side view of the overall structure of the present utility model.

Fig. 4 is a sectional view showing the internal structure of the first cutter body according to the present utility model.

The reference numerals are: 1. a knife handle; 2. a first cutter body; 3. a third cutter body; 4. a guide groove; 5. reinforcing the blade; 6. pressurizing a cutter pad; 7. extending the blade; 8. a beveled edge; 9. a limit groove; 10. reinforcing the blade.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the embodiment, as shown in fig. 1-4, the PCBN milling blade can meet the requirements of processing different sizes without changing the blade through the connecting component arranged on the cutter handle 1, and the specific structure of the component is as follows;

the connecting assembly comprises a first cutter body 2 arranged at one end of the cutter handle 1, and a third cutter body 3 is arranged at one end of the first cutter body 2;

a plurality of reinforcing blades 5 are circumferentially distributed at the end part of the third cutter body 3 along the axis point of the third cutter body 3;

a plurality of guide grooves 4 are circumferentially distributed on the outer side of the third cutter body 3 along the axis point of the third cutter body 3;

a plurality of extension blades 7 are distributed on the outer side of the first cutter body 2 along the circumference of the axis point of the first cutter body 2, and one side of each extension blade 7 is provided with an inclined cutting edge 8;

one side of the plurality of extension blades 7 is provided with limit grooves 9 on the first blade body 2, each limit groove 9 is circumferentially distributed along the axis point of the first blade body 2, reinforcing blades 10 matched with the corresponding limit groove 9 are respectively arranged in the plurality of limit grooves 9, one end of each reinforcing blade 10 extends to the outer side of the extension blade 7, and a plurality of pressurizing cushion blades 6 are respectively arranged in the plurality of guide grooves 4.

According to the structure, when the milling cutter is used, the milling cutter is arranged on the milling machine, the milling cutter is driven by the milling machine to rotate, the reinforcing blade 5 firstly performs milling work, meanwhile, when a large-scale aperture needs to be machined, the milling machine adjusts the position of the cutter handle 1, the cutter handle 1 is pressurized to drive the first cutter body 2 and the third cutter body 3 to displace, the guide chute 4 and the pressurizing cushion cutter 6 are contacted with materials, the pressurizing cushion cutter 6 and the guide chute 4 perform milling, meanwhile, the cutter handle 1 approaches the materials again, the extension blade 7 and the reinforcing blade 10 are contacted with the materials, and the extension blade 7 and the reinforcing blade 10 perform milling on the materials, so that the function of machining different requirements without replacing the milling cutter is realized;

and when the reinforcing blade 10 is stressed, the reinforcing blade 10 is arranged on the first blade body 2 through the limit of the limit groove 9, the reinforcing blade 10 is in contact with materials, the side surface of the extension blade 7 can support the reinforcing blade 10, and the stressed bearing performance of the reinforcing blade 10 is improved.

Different from the situation of the prior art, the utility model discloses a PCBN milling cutter blade, wherein a material is contacted with a guide chute 4 and a pressurizing cushion knife 6, the pressurizing cushion knife 6 and the guide chute 4 mill, and meanwhile, the cutter handle 1 approaches the material again, so that an extension blade 7 and a reinforcing blade 10 are contacted with the material, the material is milled by the extension blade 7 and the reinforcing blade 10, the function of processing different requirements without changing a milling cutter is realized, the reinforcing blade 10 is contacted with the material, the side surface of the extension blade 7 supports the reinforcing blade 10, and the bearing performance of the stress of the reinforcing blade 10 is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. PCBN milling cutter blade, including handle of a knife (1), its characterized in that: a connecting component is arranged on the knife handle (1);

the connecting assembly comprises a first cutter body (2) arranged at one end of the cutter handle (1), and a third cutter body (3) is arranged at one end of the first cutter body (2);

a plurality of reinforcing blades (5) are circumferentially distributed at the end part of the third cutter body (3) along the axis point of the third cutter body (3);

a plurality of guide grooves (4) are circumferentially distributed on the outer side of the third cutter body (3) along the axis point of the third cutter body (3);

the outer side of the first cutter body (2) and a plurality of extension blades (7) are circumferentially distributed along the axis point of the first cutter body (2), and one side of each extension blade (7) is respectively provided with an inclined cutting edge (8).

2. A PCBN milling insert according to claim 1, wherein: one side of the plurality of extension blades (7) is provided with limiting grooves (9) on the first cutter body (2), and each limiting groove (9) is circumferentially distributed along the axis point of the first cutter body (2).

3. A PCBN milling insert according to claim 2, wherein: reinforcing blades (10) matched with the corresponding limiting grooves (9) are respectively arranged in the limiting grooves (9), and one end of each reinforcing blade (10) extends to the outer side of the extending blade (7).

4. A PCBN milling insert according to claim 1, wherein: a plurality of pressurizing cushion knives (6) are respectively arranged in the plurality of guide grooves (4).