CN214134173U

CN214134173U - Milling cutter with smoothing edge

Info

Publication number: CN214134173U
Application number: CN202022856219.5U
Authority: CN
Inventors: 郝国仲
Original assignee: Arnold Beijing Precision Tools Co ltd
Current assignee: Tianjin Jiheng Nanotechnology Co.,Ltd.
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-09-07
Anticipated expiration: 2030-12-02

Abstract

The application relates to a milling cutter with a burnishing edge, which comprises a cutter handle, a cutter head and cutter teeth; the cutter handle is a cylinder, the cutter heads are coaxially connected at one end of the cutter handle, and a plurality of cutter teeth are spirally wound on the side wall of the cutter heads; the number of the cutter teeth is more than two; a smoothing edge is arranged between the main cutting edge and the auxiliary cutting edge of one of the cutter teeth, the smoothing edge has a 0.1-degree radial angle, and the width range of the edge band of the rear angle part of the smoothing edge is between 0.12mm and 0.18 mm. Have 0.1 centripetal angle through the edge of repairing light, reduce the roughness value of surface during the end milling work piece, guarantee processing product quality, only keep the process of thin processing, processing time has been shortened, only need this milling cutter of taking the edge of repairing light to accomplish processing, 0.1 increases knife tip shock resistance to the edge of repairing light of heart angle, still make the limit to the edge width degree of the angle portion behind the edge of repairing light, between 0.12mm-0.18mm, this margin can cooperate the edge of repairing light of 0.1 degree to the heart angle, repair light effect in coordination, faster, the fineness of more efficient promotion work piece.

Description

Milling cutter with smoothing edge

Technical Field

The utility model relates to the technical field of machining, especially, relate to a milling cutter of area burnishing edge.

Background

Under the working condition of end milling of mechanical machining, the traditional machining process cannot meet the requirements of customers firstly through rough machining and then finish machining. In the conventional alloy end milling cutter, in order to reduce the abrasion of a bottom edge, a centripetal angle of about 1.5 degrees is generally made to avoid the friction between the bottom edge and a workpiece during milling, but the roughness of a machined surface is general, so that allowance is generally left for secondary finish machining, and the machining in a normal condition needs to be respectively rough machined and finish machined by two milling cutters, so that the cost is high, and the machining efficiency is low.

Disclosure of Invention

In view of the above, the present application provides a milling cutter with a wiper edge, which is characterized by comprising a cutter handle, a cutter head and cutter teeth; the cutter handle is a cylinder, the cutter heads are coaxially connected at one end of the cutter handle, and a plurality of cutter teeth are spirally wound on the side wall of the cutter heads; the number of the cutter teeth is more than two; a smoothing edge is arranged between the main cutting edge and the auxiliary cutting edge of one of the cutter teeth, the smoothing edge has a 0.1-degree centripetal angle, and the width range of the edge band of the rear angle part of the smoothing edge is 0.12-0.18 mm.

In a possible implementation manner, the number of the cutter teeth is four, and the four cutter teeth are uniformly distributed in the axial direction of the cutter head.

In one possible implementation, the back corner portion land width of the wiper edge is 0.15 mm.

In a possible implementation manner, a chip breaker groove is formed between every two adjacent main cutting edges.

In a possible implementation, the main cutting edge, which is not provided with the wiper edge, is axially perpendicular to the shank.

In one possible implementation mode, the tool shank is a straight shank, and the rear end of the tool shank is suitable for being clamped and fixed at a spring chuck of the milling machine.

In one possible implementation, the tool shank, the tool head and the tool teeth are integrally formed.

In a possible implementation manner, the material of the milling cutter with the smoothing edge is hard alloy.

The utility model has the advantages that: the end milling cutter with the trimming edge is only required, a rough machining process is cancelled, machining time is shortened, only one milling cutter with the trimming edge is needed, cost is reduced, machining efficiency is improved, the trimming edge with the centering angle of 0.1 degrees is increased in impact resistance of a cutter point while quality of a machined product is guaranteed, limitation is further made on the edge band width of a rear angle part of the trimming edge, and the edge band can be matched with the trimming edge with the centering angle of 0.1 degrees between 0.12mm and 0.18mm, and can achieve the effect of trimming in a coordinated mode, so that the fineness of the workpiece is improved more quickly and efficiently.

Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.

Fig. 1 is a view showing a body structure of a milling cutter with a wiper blade according to an embodiment of the present application;

fig. 2 shows a front view of a milling cutter with a sharpened edge according to an embodiment of the present application.

Detailed Description

Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention or for simplicity in description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.

Fig. 1 is a view showing a body structure of a milling cutter with a wiper blade according to an embodiment of the present application; fig. 2 shows a front view of a milling cutter with a sharpened edge according to an embodiment of the present application.

As shown in fig. 1, the milling cutter with the wiper edge includes: a knife handle 30, a knife head 20 and knife teeth 10; the cutter handle 30 is a cylinder, the cutter head 20 is coaxially connected with one end of the cutter handle 30, and a plurality of cutter teeth are spirally wound on the side wall of the cutter head 20; the number of the cutter teeth 10 is more than two; a flat cutting edge 13 is arranged between a main cutting edge 11 and an auxiliary cutting edge 12 of one of the cutter teeth 10, the flat cutting edge 13 has a 0.1-degree centripetal angle, and the width of a cutting edge at a rear angle part of the flat cutting edge 13 ranges from 0.12mm to 0.18 mm.

In this embodiment, a smoothing edge 13 is arranged between a main cutting edge 11 and an auxiliary cutting edge 12 of one of the cutter teeth 10, the smoothing edge 13 has a 0.1 ° centripetal angle, the surface roughness value can be reduced when a workpiece is end-milled, the quality of a processed product is guaranteed, meanwhile, a fine processing procedure is only reserved, a rough processing procedure is cancelled, the processing time is shortened, only one milling cutter with the smoothing edge is needed, the cost is reduced, the processing efficiency is improved, the impact resistance of a cutter point is increased for the 0.1 ° centripetal angle smoothing edge 13, the width of the blade band at the rear angle part of the smoothing edge 13 is limited, and the blade band can be matched with the 0.1 ° centripetal angle smoothing edge 13 between 0.12mm and 0.18mm to cooperatively perform a smoothing effect, so that the fineness of the workpiece is improved more quickly and efficiently.

Preferably, the land portion is finished by a W5 grinding wheel, and it should be emphasized that the size of the flat cutting edge 13 should not be too large, and is not limited thereto in more detail, and the size can be controlled by the practitioner in the art according to the size of the whole milling cutter with flat cutting edge of the present application, according to the specification and the proportion and the angle. The number of the cutter teeth 10 is not limited in this embodiment, and the excessive cutter teeth 10 are complicated in structure and troublesome to process, so that the cost is increased; too few cutter teeth 10 have low processing efficiency and long processing time, and preferably, the number of the cutter teeth 10 is 3-6.

In one embodiment, as shown in fig. 2, the number of the cutter teeth 10 is four, and the four cutter teeth 10 are uniformly distributed in the axial direction of the cutter head 20.

In this embodiment, in general, the number of the cutter teeth 10 is not limited, and it is only necessary to note that too many cutter teeth 10 are complicated in structure and troublesome to process, so that the cost is increased; too few cutter teeth 10 have low processing efficiency and long processing time, and preferably, the number of the cutter teeth 10 is 3-6. Preferably, four cutter teeth 10 are arranged on the side wall of the cutter head 20 in a surrounding manner, and the four cutter teeth 10 can be simply and uniformly distributed on the side wall of the cutter head 20, so that the milling cutter with the smoothing edge has enough chip removal capability, the processing efficiency is improved as much as possible, and the cost is further reduced.

In one embodiment, as shown in fig. 2, the wiper edge 13 has a back corner portion land width of 0.15 mm.

Preferably, the relief portion land of the wiper edge 13 has a width of 15 mm.

In one specific embodiment, chip breakers are arranged between two adjacent bottom edges.

After the scrap iron reaches a certain length, the scrap iron is cut, rolled and automatically cut off according to the shape of the scrap iron groove, so that the scrap iron with various lengths is prevented from being accumulated, and the milling cutter is beneficial to cooling during processing.

In one embodiment, the main cutting edge 11, which is not provided with the wiper edge 13, is axially perpendicular to the shank 30.

In one embodiment, the shank 30 is a straight shank, and the rear end of the shank 30 is adapted to be clamped and fixed to a collet chuck of a milling machine.

In one embodiment, the shank 30, the cutting head 20, and the teeth are integrally formed.

In this embodiment, the cutter handle 30, the cutter head 20 and the cutter teeth are integrally formed, the integrally formed machining process can reduce the number of processes, improve the productivity, eliminate the problem of stress concentration at the connecting point, and reduce the occurrence of fracture and breakage of the milling cutter itself to a greater extent.

In one embodiment, the milling cutter with the wiper edge is made of cemented carbide.

In this embodiment, the milling cutter is preferably manufactured from a K10 grade cemented carbide bar stock according to the above description.

Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A milling cutter with a smoothing edge is characterized by comprising a cutter handle, a cutter head and cutter teeth;

the cutter handle is a cylinder, the cutter heads are coaxially connected at one end of the cutter handle, and a plurality of cutter teeth are spirally wound on the side wall of the cutter heads;

the number of the cutter teeth is more than two;

a smoothing edge is arranged between the main cutting edge and the auxiliary cutting edge of one of the cutter teeth, the smoothing edge has a 0.1-degree centripetal angle, and the width range of the edge band of the rear angle part of the smoothing edge is 0.12-0.18 mm.

2. The milling cutter according to claim 1, wherein the number of the cutter teeth is four, and the four cutter teeth are uniformly distributed in the axial direction of the cutter head.

3. The milling cutter with the wiper edge according to claim 1, wherein a back corner portion land width of the wiper edge is 0.15 mm.

4. The milling cutter with the wiper blade according to claim 1, wherein a chip breaker is provided between each adjacent two of the main cutting edges.

5. The milling cutter according to claim 1, wherein the main cutting edge, on which the wiper edge is not provided, is axially perpendicular to the shank.

6. The milling cutter according to claim 1, wherein the shank is a straight shank, and the rear end of the shank is adapted to be clamped and fixed to a collet chuck of a milling machine.

7. The milling cutter according to claim 1, wherein the shank, the cutting head and the teeth are integrally formed.

8. The milling cutter with the wiper edge according to any one of claims 1 to 7, wherein the material of the milling cutter with the wiper edge is cemented carbide.