CN216441727U

CN216441727U - Highlight milling cutter

Info

Publication number: CN216441727U
Application number: CN202122813032.1U
Authority: CN
Inventors: 朱松林
Original assignee: Zhongshan Yuanfeng Precision Cutting Tools Co ltd
Current assignee: Zhongshan Yuanfeng Precision Cutting Tools Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-05-06
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a high-gloss milling cutter which comprises a cutter handle and a cutter head, wherein a plurality of combined cutting parts are arranged on the cutter head, a chip removal groove is arranged between two adjacent combined cutting parts of the cutter head, each combined cutting part comprises an end edge cutting part, a round edge cutting part and a side edge cutting part which are sequentially connected from the cutter head to the cutter handle, the chip removal groove comprises a first chip removal groove and a second chip removal groove which are connected with each other, the first chip removal groove is arranged between the two adjacent end edge cutting parts, the plurality of second chip removal grooves are distributed between the two adjacent side edge cutting parts, the end edge front cutter face and the end edge rear cutter face of the end edge cutting part are formed on two sides of the first chip removal groove, the side edge front cutter face of the side edge cutting part is formed on the first side wall of the second chip removal groove, and the round edge front cutter face of the round edge cutting part is formed on the first side wall of the first chip removal groove. The high-gloss cutter can realize the simultaneous cutting of the end face and the side face, the strength of the combined cutting part is high, and the high-gloss cutter can achieve the high-gloss effect on the end face and the side face processed by the high-gloss cutter.

Description

Highlight milling cutter

Technical Field

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

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine.

When the milling cutter is used for cutting the groove in the notebook computer, the end milling and side milling combined cutter can be used for processing, but if two kinds of end milling and side milling combined cutters are used for cutting respectively, the cutters need to be replaced, and the processing efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a high-gloss milling cutter capable of realizing simultaneous end milling and side milling of a groove, which adopts the following technical scheme:

a high-gloss milling cutter comprises a cutter handle and a cutter head, wherein a plurality of combined cutting parts which are sequentially distributed along the circumferential direction of the cutter head are arranged on the cutter head, a chip groove is formed between every two adjacent combined cutting parts of the cutter head, each combined cutting part comprises an end edge cutting part, a round edge cutting part and a side edge cutting part which are sequentially connected from the cutter head to the cutter handle, the end edge cutting parts are intersected at the center of the front end face of the cutter head, and the side edge cutting parts are spirally distributed on the cutter head,

the chip grooves comprise a first chip groove and a second chip groove which are connected with each other, the first chip groove is arranged between two adjacent end edge cutting parts, and the plurality of second chip grooves are spirally distributed between two adjacent side edge cutting parts;

the end edge cutting part comprises an end edge front cutter face and an end edge rear cutter face, a first side wall of the first chip groove forms the end edge front cutter face of the end edge cutting part, a second side wall of the first chip groove forms an end edge rear cutter face adjacent to the end edge cutting part, and one side of the end edge rear cutter face is intersected with the end edge front cutter face to form an end edge cutting edge;

the side edge cutting part comprises a first side edge rear cutter surface and a second side edge rear cutter surface, the first side wall of the second chip groove forms a side edge front cutter surface of the side edge cutting part, the first side edge rear cutter surface is intersected with the side edge front cutter surface to form a side edge cutting edge, and the second side wall of the second chip groove is smoothly connected with the second side wall of the side edge second rear cutter surface;

the circle sword cutting part includes circle sword back knife face, a side wall of first chip groove constitutes the circle sword rake face of circle sword cutting part, circle sword rake face with the crossing and formation circle sword cutting edge of circle sword back knife face, circle sword back knife face with the second side wall of second chip groove is in the same direction as sliding connection.

Preferably, the surface roughness of the combined cutting portion is 0.2.

Preferably, the helix angle of the second flutes is 35 °.

Preferably, the blade diameter of the cutter head is 7.991-8mm, and the blade length is 37-37.05 mm.

Preferably, the diameter of the circular cutting edge is 0.498-0.502 mm.

Preferably, the circular cutting edge has a first relief angle and a second relief angle, and the first relief angle is 10 ° and the second relief angle is 12 °.

The highlight knife has the following beneficial effects:

the end face and the side face can be cut simultaneously; the combined cutting part has high strength, the impact resistance of the combined cutting part is improved, and the end face and the side face machined by the highlight milling cutter can achieve a highlight effect; and scraps generated by end face cutting and side face cutting can be smoothly discharged through the second chip groove, so that the cutting effect is ensured.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

fig. 1 is a schematic structural diagram of a high-light knife according to an embodiment of the utility model;

FIG. 2 is a schematic structural diagram of a combined cutting portion according to an embodiment of the present invention;

FIG. 3 is a front view of a highlighting cutter according to an embodiment of the present invention;

FIG. 4 is a front view of a combination cutting portion according to an embodiment of the present invention;

fig. 5 is a top view of a high-light knife according to an embodiment of the utility model.

In the drawings:

1. a knife handle; 2. a cutter head; 21. an end blade cutting portion; 211. an end blade rake surface; 212. an end blade flank; 213. an end edge cutting edge; 22. a circular-edge cutting edge; 221. a circular-blade rear blade surface; 222. a circular-edge cutting edge; 23. a side edge cutting edge; 231. a first flank face of the side edge; 232. a side edge second flank face; 233. a side edge rake surface; 234. a side edge cutting edge; 3. a chip groove; 31. a first chip discharge groove; 32. a second chip groove.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, an embodiment of the present invention is provided, where the highlight milling cutter includes a cutter shank 1 and a cutter head 2, the cutter head 2 is provided with a plurality of combined cutting portions sequentially distributed along a circumferential direction thereof, the cutter head 2 is provided with a chip groove 3 between two adjacent combined cutting portions, each combined cutting portion includes an end edge cutting portion 21, a circular edge cutting portion 22, and a side edge cutting portion 23 sequentially connected from the cutter head 2 to the cutter shank 1, the end edge cutting portions 21 intersect at a center of a front end surface of the cutter head 2, the side edge cutting portions 23 are spirally distributed on the cutter head 2,

the flute 3 comprises a first flute 31 and a second flute 32 which are connected with each other, the first flute 31 is arranged between two adjacent end edge cutting parts 21, and the second flutes 32 are spirally distributed between two adjacent side edge cutting parts 23;

the end edge cutting part 21 includes an end edge rake surface 211 and an end edge relief surface 212, a first side wall of the first chip flute 31 constitutes the end edge rake surface 211 of the end edge cutting part 21, a second side wall of the first chip flute 31 constitutes the end edge relief surface 212 adjacent to the end edge cutting part 21, and one side of the end edge relief surface 212 intersects with the end edge rake surface 211 to form an end edge cutting edge 213;

the side cutting part 23 includes a side first flank 231 and a side second flank 232, the first side wall of the second flute 32 constitutes a side rake surface 233 of the side cutting part 23, the side first flank 231 intersects the side rake surface 233 to form a side cutting edge 234, and the side second flank 232 is smoothly connected to the second side wall of the second flute 32;

the round edge cutting part 22 includes a round edge flank 221, a side wall of the first chip groove 31 constitutes the round edge rake face of the round edge cutting part 22, the round edge rake face with the round edge flank 221 intersects and forms a round edge cutting edge 222, the round edge flank 221 with the second side wall of the second chip groove 32 is connected in a smooth manner.

In the present application, eight combined cutting portions are arranged on the tool bit 2, when a groove is cut, the end edge cutting portion 21 cuts an end surface, the side edge cutting portion 23 cuts a side wall, and the circular edge cutting portion 22 cuts a joint of the end surface and the side surface, so that the end surface and the side surface of the groove are simultaneously cut, and the groove with a smooth surface is obtained;

the end edge cutting part 21 is intersected at the center of the front end surface of the tool bit 2, and a step is formed between the rear tool surface of the end edge cutting part 21 and the end edge front tool surface 211 of the adjacent end edge cutting part 21 so as to form a contact surface, which is beneficial to increasing the strength of the end edge cutting part 21;

the first chip removal groove 31 arranged between two adjacent end edge cutting parts 21 can rapidly guide the chips generated by the end edge cutting parts 21 into the second chip removal groove 32, so that the chips are prevented from being accumulated to influence the end face cutting effect;

the end cutting part 21, the round cutting part 22 and the side cutting part 23 are sequentially connected, so that the strength of the combined cutting part is improved, the impact resistance of the combined cutting part is improved, and the end face and the side face machined by the highlight milling cutter can achieve a highlight effect.

Preferably, the surface roughness of the combined cutting portion is 0.2.

The surface roughness of the combined cutting part pair is 0.2, so that the sticking of the waste chips generated by milling by the highlight milling cutter is reduced, the waste chips are smoothly discharged, and the influence of the waste chips on cutting machining is avoided.

Preferably, the helical angle of the second flutes 32 is 35 °.

Preferably, the blade diameter of the cutting head 2 is 7.991-8mm, and the blade length is 37-37.05 mm.

Preferably, the diameter of the circular edge cutting edge 222 is 0.498 to 0.502 mm.

Preferably, the circular cutting edge 222 has a first relief angle of 10 ° and a second relief angle of 12 °.

The blade diameter, the blade length and the diameter of the circular blade cutting edge 222 of the blade head 2 in this embodiment are suitable for cutting a notebook computer case, the circular blade cutting edge 222 has a first relief angle and a second relief angle, the first relief angle is 10 °, the second relief angle is 12 °, and the sharpness of the circular blade cutting edge 222 is ensured.

The foregoing is merely a preferred embodiment of the utility model and is not intended to limit the utility model in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the utility model as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. The highlight milling cutter is characterized by comprising a cutter handle (1) and a cutter head (2), wherein a plurality of combined cutting parts which are distributed in sequence along the circumferential direction of the cutter head (2) are arranged on the cutter head (2), a chip discharge groove (3) is formed between every two adjacent combined cutting parts, each combined cutting part comprises an end edge cutting part (21), a round edge cutting part (22) and a side edge cutting part (23) which are sequentially connected from the cutter head (2) to the cutter handle (1), every two adjacent end edge cutting parts (21) are connected with each other, the end edge cutting parts (21) are intersected in the center of the front end face of the cutter head (2), and the side edge cutting parts (23) are spirally distributed on the cutter head (2),

the chip grooves (3) comprise a first chip groove (31) and a second chip groove (32) which are connected with each other, the first chip groove (31) is arranged between two adjacent end edge cutting parts (21), and the second chip grooves (32) are spirally distributed between two adjacent side edge cutting parts (23);

the end edge cutting part (21) comprises an end edge rake face (211) and an end edge flank face (212), a first side wall of the first chip flute (31) forms the end edge rake face (211) of the end edge cutting part (21), a second side wall of the first chip flute (31) forms the end edge flank face (212) adjacent to the end edge cutting part (21), and one side of the end edge flank face (212) intersects with the end edge rake face (211) to form an end edge cutting edge (213);

the side edge cutting part (23) comprises a side edge first rear cutting surface (231) and a side edge second rear cutting surface (232), the first side wall of the second chip groove (32) forms a side edge front cutting surface (233) of the side edge cutting part (23), the side edge first rear cutting surface (231) and the side edge front cutting surface (233) intersect to form a side edge cutting edge (234), and the side edge second rear cutting surface (232) and the second side wall of the second chip groove (32) are smoothly connected;

circle sword cutting portion (22) include circle sword flank (221), the first side wall of first chip groove (31) constitutes the circle sword rake face of circle sword cutting portion (22), circle sword rake face with circle sword flank (221) are crossing and form circle sword cutting edge (222), circle sword flank (221) with the second side wall of second chip groove (32) is in the same direction as smooth connection.

2. The high gloss milling cutter according to claim 1, wherein the surface roughness of the combination cutting portion is 0.2.

3. The high gloss milling cutter according to claim 1, wherein the helix angle of the second flutes (32) is 35 °.

4. The high gloss milling cutter according to claim 1, wherein the cutting edge diameter of the cutting head (2) is 7.991-8mm and the cutting edge length is 37-37.05 mm.

5. The high gloss milling cutter according to claim 1, wherein the diameter of the circular edge cutting edge (222) is 0.498-0.502 mm.

6. The high gloss milling cutter according to claim 5, wherein the rounded edge cutting edge (222) has a first relief angle and a second relief angle, and the first relief angle is 10 ° and the second relief angle is 12 °.