CN114226820A

CN114226820A - Milling blade and milling cutter with fast-forward and square shoulder

Info

Publication number: CN114226820A
Application number: CN202210033115.5A
Authority: CN
Inventors: 任庆硕; 温利鹏; 王绍文; 孟繁强
Original assignee: Bestool Tool Manufacturing Co ltd
Current assignee: Bestool Tool Manufacturing Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-03-25

Abstract

The application provides a milling insert and a milling cutter with fast-forward and square shoulders, wherein the milling insert comprises a body; the outer wall of the body is provided with fast feeding milling surfaces and square shoulder milling surfaces which are alternately arranged around the first direction; the two adjacent fast feeding milling surfaces are respectively connected with the square shoulder milling surface through the cambered surfaces; the end surface of the body is respectively provided with a cutting edge before fast feeding to the milling surface and the square shoulder milling surface. According to the technical scheme provided by the embodiment of the application, the fast feed milling surface and the square shoulder milling surface are arranged on the body simultaneously, so that the fast feed cutting edge and the square shoulder cutting edge are formed on the end surface of the body, and therefore, during processing, fast feed milling can be performed, and simultaneously, square shoulder milling can be performed, so that the square shoulder milling process is avoided after the fast feed milling process is completed; the processing efficiency is greatly improved, and the processing cost is reduced.

Description

Milling blade and milling cutter with fast-forward and square shoulder

Technical Field

The application relates to the technical field of machining, in particular to a milling blade and a milling cutter with a fast feeding and square shoulder.

Background

In the milling scene, different processing modes exist for different working conditions; two machining methods are often used in the field of application, namely fast feed milling and square shoulder milling.

With continuous progress and development of the manufacturing industry, customers have continuously improved requirements on efficiency, fast forward milling and square shoulder milling usually occupy two links with the longest processing time, not only affects the processing efficiency, but also increases the cost of products, and the problem of how to shorten the processing time needs to be solved urgently.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a milling insert and a milling tool having both a fast forward and a square shoulder.

In a first aspect, the present application provides a milling insert with both a fast forward and a square shoulder, comprising a body; the outer wall of the body is provided with fast feeding milling surfaces and square shoulder milling surfaces which are alternately arranged around the first direction; the two adjacent fast feeding milling surfaces are connected with the square shoulder milling surface through arc surfaces respectively; and cutting edges are respectively formed on the end surface of the body and before the fast feeding milling surface and the square shoulder milling surface.

Further, the cutting edge comprises a fast feed cutting edge and a square shoulder cutting edge; the fast feeding cutting edge is positioned at the butt joint of the fast feeding milling surface and the body; the square shoulder cutting edge is positioned at the butt joint of the square shoulder milling surface and the body.

Furthermore, included angles between the fast feed cutting edge and the adjacent two square shoulder cutting edges are respectively alpha and beta; the alpha is 10-15 degrees; the beta is 88-92 degrees.

Furthermore, the included angles between the square shoulder cutting edge and the two adjacent fast feed cutting edges are respectively alpha and beta.

Furthermore, the device also comprises a reinforcing rib; the reinforcing rib is positioned at the end part of the body and connected between the body and the fast feed cutting blade.

In a second aspect, the present application provides a milling tool comprising a milling insert having both a fast forward and a square shoulder, comprising a body; the cutter body is provided with a mounting groove corresponding to the body; the body is connected with the mounting groove through bolts.

Further, the body is provided with a mounting hole corresponding to the bolt; the mounting hole is located the middle of body, the axis direction with the first direction is parallel.

The application has the advantages and positive effects that:

according to the technical scheme, the fast feed milling surface and the square shoulder milling surface are arranged on the body at the same time, so that the fast feed cutting edge and the square shoulder cutting edge are formed on the end surface of the body, and therefore, during machining, fast feed milling can be performed, and simultaneously, square shoulder milling can be performed, so that the square shoulder milling procedure is avoided after the fast feed milling procedure is completed; or the condition that the milling process is fast forwarded after the square shoulder milling process is finished is avoided; the processing efficiency is greatly improved, and the processing cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a milling insert with fast forwarding and square shoulders provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a milling tool including a milling insert having both a fast forward and a square shoulder according to an embodiment of the present application.

The text labels in the figures are represented as: 100-body; 110-mounting holes; 120-fast forwarding to the milling surface; 121-fast forward to the cutting edge; 130-milling a square shoulder surface; 131-square shoulder cutting edge; 140-reinforcing ribs; 200-a cutter body; 210-a mounting groove; 220-bolt.

Detailed Description

The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.

Referring to fig. 1, in a first aspect, the present embodiment provides a milling insert with both fast forward and square shoulders, including a body 100; the cross section of the body 100 is polygonal, and fast feeding milling surfaces 120 and square shoulder milling surfaces 130 which are alternately arranged are arranged on the outer wall around the first direction; the end surface of the body 100 is an inclined surface; the bevel is disposed in a first direction forming a cutting edge with the fast feed milling surface 120 and the square shoulder milling surface 130, respectively.

In a preferred embodiment, the cutting edges include a fast feed cutting edge 121 and a square shoulder cutting edge 131; the fast feed cutting edge 121 is located at the interface of the fast feed milling face 120 and the body 100; the square shoulder cutting edge 131 is located at the interface of the square shoulder milling surface 130 and the body 100.

Preferably, the included angles between the fast feed cutting edge 121 and the adjacent two square shoulder cutting edges 131 are respectively alpha and beta; wherein alpha is more than or equal to 10 degrees and less than or equal to 15 degrees, and beta is more than or equal to 88 degrees and less than or equal to 92 degrees.

Preferably, the included angles between the square shoulder cutting edge 131 and two adjacent fast feed cutting blades 121 are also α and β, respectively, so that the fast feed cutting blades 121 and the square shoulder cutting edge 131 can enclose a closed annular structure.

In a preferred embodiment, further comprises reinforcing ribs 140; the reinforcing rib 140 is located at an end of the body 100, connected between the body 100 and the fast feed cutting edge 121, and serves to increase the strength of the fast feed cutting edge 121, thereby increasing the lifespan.

Referring further to fig. 2, in a second aspect, the present embodiment provides a milling cutter including a milling insert having both a fast forward and a square shoulder, including a cutter body 200; the cutter body 200 is provided with a mounting groove 210 corresponding to the body 100; the body 100 is connected with the mounting groove 210 by bolts 220, wherein a set of fast feed cutting edges 121 and square shoulder cutting edges 131 are located at the end of the cutter body 200 for machining; the cutter body 200 is provided with a limiting surface corresponding to the end of the body 100 away from the work, for limiting the relative rotation of the body 100.

Preferably, the body 100 is provided with a mounting hole 110 corresponding to the bolt 220; the mounting hole 110 is located at the middle of the body 100, and the axial direction is parallel to the first direction.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other contexts without modification may be viewed as within the scope of the present application.

Claims

1. A milling insert with both a fast forward and a square shoulder, characterized by comprising a body (100); the outer wall of the body (100) is provided with fast feeding milling surfaces (120) and square shoulder milling surfaces (130) which are alternately arranged around a first direction; the two adjacent fast-feeding milling surfaces (120) are connected with the square shoulder milling surface (130) through cambered surfaces respectively; the end surface of the body (100) and the front parts of the fast feed milling surface (120) and the square shoulder milling surface (130) form cutting edges respectively.

2. The milling insert with both fast forward and square shoulder as claimed in claim 1, wherein said cutting edges comprise a fast forward cutting edge (121) and a square shoulder cutting edge (131); the fast feeding cutting edge (121) is positioned at the joint of the fast feeding milling surface (120) and the body (100); the square shoulder cutting edge (131) is positioned at the butt joint of the square shoulder milling surface (130) and the body (100).

3. The milling insert with both fast feed and square shoulder as set forth in claim 2, characterized in that the included angles between the fast feed cutting edge (121) and the adjacent two square shoulder cutting edges (131) are α and β, respectively; the alpha is 10-15 degrees; the beta is 88-92 degrees.

4. The milling insert with both fast forward and square shoulders as claimed in claim 3, wherein the included angle between said square shoulder cutting edge (131) and two adjacent fast forward cutting edges (121) is also said α and β, respectively.

5. The milling insert with both fast forward and square shoulder as claimed in claim 1, further comprising a stiffener (140); the reinforcing rib (140) is located at an end of the body (100) and connected between the body (100) and the fast feed cutting blade (121).

6. A milling tool comprising a milling insert with both fast forward and square shoulders as claimed in any of claims 1-5, characterized by a body (200); the cutter body (200) is provided with a mounting groove (210) corresponding to the body (100); the body (100) is connected with the mounting groove (210) through a bolt (220).

7. The milling tool according to claim 6, characterized in that the body (100) is provided with mounting holes (110) corresponding to the bolts (220); the mounting hole (110) is located in the middle of the body (100), and the axis direction is parallel to the first direction.