CN218503427U

CN218503427U - Milling blade for plane machining

Info

Publication number: CN218503427U
Application number: CN202223128155.2U
Authority: CN
Inventors: 张翰超; 王博; 南勋; 王诗阳
Original assignee: Jiaxing Jirui New Material Technology Co ltd
Current assignee: Jiaxing Jirui New Material Technology Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-02-21
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a milling blade for plane processing, which comprises a blade body, wherein the blade body is of a cubic structure, a fillet is arranged between the adjacent side surfaces of the blade body, an annular chip removal groove is arranged on the top surface of the blade body, the chip removal groove comprises an inclined surface and a peripheral groove, a boss is arranged in the inner cavity of the peripheral groove, the boss and the blade body are integrally formed, and an installation through hole is arranged in the center of the top surface of the boss; the peripheral side surface of the blade body is intersected with one end of the inclined surface far away from the lug boss to form a cutting part; the bottom surface of the blade body is completely consistent with the top surface of the blade body in structure. The utility model discloses can realize solving the difficult problem that the tool changing is frequent, with high costs, the clamping is unstable, twine the bits in the large allowance plane milling process.

Description

Milling blade for plane machining

Technical Field

The utility model relates to a machine tooling technical field especially relates to a planar machining milling blade.

Background

A milling cutter disc is generally selected to be matched with a plane milling blade for large-allowance plane milling of a large-size workpiece. The most widely used plane milling blade at present is SEEN type, and the milling blade of the type adopts a positive relief angle design, only 4 cutting edges can be used, the tool changing is frequent, and the cost is high; and no clamping hole position exists, so that the clamping is not firm; and the design of chip guide is not provided, so that the cutting is easy to wind, and the surface of the workpiece is scratched.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a planar processing milling blade to solve the problem that above-mentioned prior art exists, can realize solving the difficult problem that the tool changing is frequent, with high costs, the clamping is unstable, twine the bits among the large allowance planar milling processing.

In order to achieve the above object, the utility model provides a following scheme:

a milling blade for plane machining comprises a blade body, wherein the blade body is of a cubic structure, round corners are arranged between adjacent side faces of the blade body, the top face of the blade body is provided with an annular chip removing groove, the chip removing groove comprises an inclined face and a peripheral groove, a boss is arranged in the inner cavity of the peripheral groove, the boss and the blade body are integrally formed, and a mounting through hole is formed in the center of the top face of the boss; the peripheral side surface of the blade body is intersected with one end of the inclined surface, which is far away from the lug boss, so that a cutting part is formed; the bottom surface of the blade body is completely consistent with the top surface of the blade body in structure.

Preferably, the peripheral side surface of the insert body comprises four main relief surfaces, four auxiliary relief surfaces and eight transition surfaces; the cutting part comprises a main cutting edge, an auxiliary cutting edge and an arc transition which are sequentially connected end to end; the main cutting edge is the main back knife face with the intersection line on inclined plane, vice cutting edge is vice back knife face with the intersection line on inclined plane, the circular arc transition does the transition face with the intersection line on inclined plane.

Preferably, the angle of the major and minor relief surfaces is 45 °.

Preferably, the distance between the upper and lower symmetrically arranged main cutting edges is a, the distance between the upper boss top surface and the lower boss bottom surface is B, and the value range of a/B is 0.94-0.96.

The utility model discloses has following technological effect:

the blade is designed to have a negative relief angle, double-sided eight-edge blades can be used, and the blade does not need to be frequently replaced; secondly, the center of the blade body is provided with a mounting through hole, the blade body can be fixedly clamped by adopting a positioning pin, the clamping is firm, the distance A between the two main cutting edges corresponding up and down is smaller than the distance B between the side surfaces of the outermost sides of the two bosses, on one hand, the clamping jig is ensured not to interfere with the cutting edges, and on the other hand, the clamping jig is favorable for not interfering with the derivation of cutting scraps during milling; finally, the cutting edge is connected with the boss through the inclined plane and the peripheral groove of the front tool face, namely, a chip removing groove capable of guiding chips and the boss can also play a chip breaking role, so that the cutter can smoothly remove chips.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

wherein, 1, the blade body; 2. a cutting portion; 4. a chip removing groove; 5. a boss; 6. mounting through holes; 21. a main cutting edge; 22. arc transition; 23. a secondary cutting edge; 31. a main rear cutter face; 32. a transition surface; 33. a secondary relief surface; 41. an inclined surface; 42. and (4) a peripheral groove.

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 efforts all belong to the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the following detailed description.

The milling blade for plane processing shown in fig. 1-3 comprises a blade body 1, wherein the blade body 1 is of a cubic structure, the adjacent side surfaces of the blade body 1 are chamfered, the top surface of the blade body 1 is provided with an annular chip removal groove 4, the chip removal groove 4 comprises an inclined surface 41 and a peripheral groove 42, the inner cavity of the peripheral groove 42 is provided with a boss 5, the boss 5 and the blade body 1 are integrally formed, and the center of the top surface of the boss 5 is provided with a mounting through hole 6; the peripheral side surface of the blade body 1 is intersected with one end of the inclined surface 41 far away from the lug boss 5 to form a cutting part 2; the bottom surface of the blade body 1 is completely consistent with the top surface structure of the blade body 1.

In a further optimized scheme, the peripheral side surface of the blade body 1 comprises four main rear blade surfaces 31, four auxiliary rear blade surfaces 33 and eight transition surfaces 32; the cutting part 2 comprises a main cutting edge 21, an auxiliary cutting edge 23 and an arc transition 22 which are sequentially connected end to end; the major cutting edge 21 is an intersection of the major flank surface 31 and the inclined surface 41, the minor cutting edge 23 is an intersection of the minor flank surface 33 and the inclined surface 41, and the circular arc transition 22 is an intersection of the transition surface 32 and the inclined surface 41.

In a further preferred embodiment, the angle between the major flank surface 31 and the minor flank surface 33 is 45 °.

According to the further optimization scheme, the distance between the upper main cutting edge 21 and the lower main cutting edge 21 which are symmetrically arranged is A, the distance between the top surface of the boss 5 above and the bottom surface of the boss 5 below is B, the value range of A/B is 0.94-0.96, the distance A between the upper main cutting edge and the lower main cutting edge is smaller than the distance B between the side surfaces of the outermost sides of the two bosses, the clamping jig and the cutting edges are not interfered, and the clamping jig is not interfered with chip derivation during milling.

The working process of the embodiment is as follows:

firstly, the blade of the utility model is designed with a negative relief angle, and eight cutting edges are arranged on the top surface and the bottom surface of the blade, namely four groups of main cutting edges 21 and auxiliary cutting edges 23, which can be repeatedly used for eight times without frequently replacing the blade; secondly, the center of the blade body is provided with the mounting through hole 6, the blade can be fixedly clamped by a positioning pin or other positioning tools, the clamping of the blade is firm, and the distance A between the two corresponding upper and lower main cutting edges is smaller than the distance B between the side faces of the outermost sides of the two bosses, so that the clamping jig and the cutting edges are not interfered, and the clamping jig is favorable for not interfering the derivation of chips during milling; the angle between the main flank 31 and the minor flank 33 is 45 °, which realizes the cutting of the shear type of the workpiece to be processed by the minor cutting edge 23, reduces the cutting force, and also reduces the abrasion of the minor cutting edge 23. Finally, the cutting edge is connected with the boss 5 through the inclined surface 41 and the peripheral groove 42, the peripheral groove 42 is the lowest point of the rake face, namely the chip removing groove 4 capable of guiding chips, and the chips are conveniently guided out; the boss 5 can also play a role of chip breaking, so that the tool discharges chips smoothly.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "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 merely for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The milling blade for plane machining is characterized by comprising a blade body (1), wherein the blade body (1) is of a cubic structure, round corners are arranged between adjacent side faces of the blade body (1), an annular chip removal groove (4) is formed in the top face of the blade body (1), the chip removal groove (4) comprises an inclined face (41) and a peripheral groove (42), a boss (5) is arranged in the inner cavity of the peripheral groove (42), the boss (5) and the blade body (1) are integrally formed, and a mounting through hole (6) is formed in the center of the top face of the boss (5); the peripheral side surface of the blade body (1) is intersected with one end, away from the boss (5), of the inclined surface (41) to form a cutting part (2); the bottom surface of the blade body (1) is completely consistent with the top surface of the blade body (1).

2. A face milling insert according to claim 1, wherein: the peripheral side surface of the blade body (1) comprises four main rear cutter surfaces (31), four auxiliary rear cutter surfaces (33) and eight transition surfaces (32); the cutting part (2) comprises a main cutting edge (21), an auxiliary cutting edge (23) and an arc transition (22) which are sequentially connected end to end; main cutting edge (21) do main flank face (31) with the intersect of inclined plane (41), vice cutting edge (23) do vice flank face (33) with the intersect of inclined plane (41), circular arc transition (22) do transition surface (32) with the intersect of inclined plane (41).

3. A face milling insert according to claim 2, characterized in that: the angle between the main flank surface (31) and the minor flank surface (33) is 45 degrees.

4. A face milling insert according to claim 2, characterized in that: the distance between the upper and lower symmetrically arranged main cutting edges (21) is A, the distance between the top surface of the boss (5) above and the bottom surface of the boss (5) below is B, and the value range of A/B is 0.94-0.96.