CN218362309U

CN218362309U - Novel plane milling cutter

Info

Publication number: CN218362309U
Application number: CN202122151784.6U
Authority: CN
Inventors: 李雪林
Original assignee: Meister Machinery Technology Nanjing Co ltd
Current assignee: Meister Machinery Technology Nanjing Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2023-01-24
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a novel face milling cutter, include: a shank portion; the connecting part is composed of a plurality of milling teeth, and at least five groups of milling teeth are arranged; the plane milling part is composed of a plurality of milling blades, and is sequentially arranged with the connecting part and the handle part which are integrally formed, and each milling blade is arranged at the end position of the milling tooth, the end position of the milling blade is provided with a peripheral edge, and the milling blade is further provided with a rear knife face and a front knife face which are connected with the peripheral edge. The utility model discloses a set up the multiunit and mill the tooth, and every tip that mills the tooth all corresponds a set of milling cutter piece for the cutting rigidity of tool bit is good, uses the durability to promote, and with the help of the all sword on the milling cutter piece, promotes the cutting sharpness, and the large tracts of land of back knife face and rake face distributes, and is wider with the cutting contact surface of material, thereby cooperation mills tooth adaptation groove face processing, side processing, bores and mills processing, and the processing suitability is wider.

Description

Novel plane milling cutter

Technical Field

The utility model relates to an environmental protection and energy saving technical field especially relates to a novel plane milling cutter.

Background

The surface milling cutter is divided into two major categories, one is that the hard alloy blade is fixed on the cutter tooth by brazing, and then the cutter tooth is installed on the milling cutter body, which is called as a tooth-inserted surface milling cutter; the second type is to mount the carbide inserts directly on the milling cutter body and then fix them with screws or the like, which is called indexable mechanically clamped milling cutter. The face milling cutter has two rake angles, an axial rake angle and a radial rake angle, and the directions of the two rake angles are selected according to the material of the object to be machined and the cutting conditions.

The cutting edges of the face milling cutter are single in distribution form, so that the cutting applicability is low; and scraps generated during cutting of the cutting edge are not easy to discharge to scratch the workpiece, and the surface finish is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel plane milling cutter.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a novel face milling cutter comprising: a shank portion; the connecting part is composed of a plurality of milling teeth, and at least five groups of milling teeth are arranged; the plane milling part is composed of a plurality of milling blades, and is sequentially arranged with the connecting part and the handle part which are integrally formed, and each milling blade is arranged at the end position of the milling tooth, the end position of the milling blade is provided with a peripheral edge, and the milling blade is further provided with a rear knife face and a front knife face which are connected with the peripheral edge.

Preferably, a central hole is reserved in the center of the plurality of milling blades, and the central hole is a stepped hole.

Preferably, the plurality of milling teeth are spirally arranged around the axis of the cutter handle, chip grooves are formed among the plurality of milling teeth, the helical angle alpha of each milling tooth ranges from 35 degrees to 40 degrees, and chip guide surfaces in butt joint with the chip grooves are arranged on the milling cutting blades.

Preferably, the milling diameter of the peripheral edge is D1, the total length of the connecting part and the plane milling part is D2, and the ratio of D1 to D2 is 2:3.

Preferably, the tool shank portion, the connecting portion and the face milling portion are all made of tungsten steel material.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up the multiunit and milling the tooth, and every tip that mills the tooth all corresponds a set of milling blade, make the cutting rigidity of tool bit good, use the durability to promote, and with the help of the all edges on the milling blade, promote the cutting sharpness, and the large tracts of land of back knife face and rake face distributes, it is wider with the cutting contact surface of material, thereby the cooperation mills the tooth and adapts to the facing (operation) of groove, side processing, bore and mill processing, the processing suitability is wider, and the sweeps after the cutting directly introduces to the chip groove along the chip guide face in, reduce cutting viscidity, the smear metal discharges more easily, improve the work piece finish.

Drawings

Fig. 1 is a schematic perspective view of a novel face milling cutter according to the present invention;

fig. 2 is a schematic front structural view of a novel face milling cutter according to the present invention;

fig. 3 is a schematic view of the structure in the direction a in fig. 2.

In the figure: 100-tool shank, 200-connecting part, 201-milling tooth, 202-chip flute, 300-plane milling part, 301-central hole, 302-flank face, 303-rake face, 304-peripheral edge and 305-chip guide face.

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.

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.

Referring to fig. 1-3, a novel face milling cutter comprises: the tool shank portion 100, the connecting portion 200 and the plane milling portion 300 are all made of tungsten steel materials, so that the tool shank portion 100, the connecting portion 200 and the plane milling portion 300 are high in hardness and strong in service durability.

The connecting portion 200 is composed of a plurality of milling teeth 201, the number of the milling teeth 201 is not less than five, the plurality of milling teeth 201 are spirally arranged around the axis of the tool shank portion 100, chip grooves 202 are formed among the plurality of milling teeth 201, the helical angle alpha of the milling teeth 201 is 35-40 degrees, chip guide surfaces 305 which are in butt joint with the chip grooves 202 are arranged on the milling blade, and the chip grooves 202 and the chip guide surfaces 305 are matched to quickly assist chip discharge.

The plane milling part 300 is composed of a plurality of milling blades, and is sequentially integrally formed with the connecting part 200 and the tool holder part 100, a central hole 301 is reserved in the center of each of the plurality of milling blades, and the central hole 301 is a stepped hole, so that the heat dissipation performance of the tool bit during cutting is improved.

Each milling blade is arranged at the end of the milling tooth 201, a peripheral edge 304 is arranged at the end of the milling blade, a rear cutter face 302 and a front cutter face 303 which are connected with the peripheral edge 304 are respectively arranged on the milling blade, the milling diameter of the peripheral edge 304 is D1, the comprehensive total length of the connecting part 200 and the plane milling part 300 is D2, the ratio of the D1 to the D2 is 2:3, and the connecting part 200 is prevented from being broken due to the overlong relative milling diameter.

The utility model discloses in, mill tooth 201 through setting up the multiunit, and every tip that mills tooth 201 all corresponds a set of milling cutter piece, make the cutting rigidity of tool bit good, use the durability to promote, and with the help of the all edges 304 on the milling cutter piece, promote the cutting sharpness, and the large tracts of land of back knife face 302 and rake face 303 distributes, it is wider with the cutting contact surface of material, thereby the cooperation mills tooth 201 and adapts to the facing work of groove, side processing, bore and mill processing, the suitability is wider, and the sweeps after the cutting directly introduces to chip groove 202 along chip guide face 305 in, reduce cutting viscidity, the smear metal is discharged more easily, improve the work piece finish.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A novel face milling cutter, comprising:

a tool shank portion (100);

the connecting part (200) is composed of a plurality of milling teeth (201), and at least five groups of milling teeth (201) are arranged;

plane milling portion (300), by a plurality of milling cutter piece constitute, and in proper order with connecting portion (200), handle of a knife portion (100) integrated into one piece set up, and every milling cutter piece all sets up the tip position at milling tooth (201), milling cutter piece's tip position department is equipped with all sword (304), still be provided with back knife face (302) and rake face (303) that meet with all sword (304) on the milling cutter piece respectively.

2. A new face milling cutter according to claim 1, characterized in that a central hole (301) is reserved in the central position of the milling inserts, and that the central hole (301) is a stepped hole.

3. The new face milling cutter as claimed in claim 2, characterized in that a plurality of said milling teeth (201) are arranged helically around the axis of the shank portion (100) and a chip pocket (202) is arranged between a plurality of said milling teeth (201), the helix angle α of said milling teeth (201) is in the range of 35-40 degrees, and a chip guide surface (305) is arranged on said milling teeth in abutment with the chip pocket (202).

4. A new face milling cutter, according to claim 1, characterized in that the milling diameter of the peripheral edge (304) is D1, the combined total length of the connecting part (200) and the face milling part (300) is D2, and the ratio of D1 to D2 is 2:3.

5. The new face milling cutter according to claim 1, characterized in that the shank portion (100), the connecting portion (200) and the face milling portion (300) are all made of tungsten steel material.