CN214349872U - Superhard materials 3C product profile shaping chamfer milling cutter - Google Patents
Superhard materials 3C product profile shaping chamfer milling cutter Download PDFInfo
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- CN214349872U CN214349872U CN202120253795.2U CN202120253795U CN214349872U CN 214349872 U CN214349872 U CN 214349872U CN 202120253795 U CN202120253795 U CN 202120253795U CN 214349872 U CN214349872 U CN 214349872U
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Abstract
The utility model discloses a profile molding chamfer milling cutter for superhard material 3C products, which consists of a cutter handle and a cutting part, wherein the inner end of the cutting part is provided with a multi-section profile composite curve cutting edge, the outer end of the cutting part is provided with an oblique angle cutting edge, the corresponding oblique angle cutting edge and the multi-section profile composite curve cutting edge are connected into a spiral cutting part, a chip groove is also arranged between the cutting parts, the cutting part is provided with a radial first relief angle and a radial second relief angle, the multi-section profile composite curve cutting edge is provided with an axial first relief angle and an axial second relief angle, the outer end surface of each oblique angle cutting edge is also provided with a cutting edge, and the cutting edge has a front angle, the problem that the visual effect is influenced by the tool marks, reversing marks, vibration marks and the like on the machined surface can be solved, and the machining size precision of the product is improved.
Description
Technical Field
The utility model relates to a superhard materials 3C product profile shaping chamfer milling cutter.
Background
With the development and continuous innovation of science and technology, the processing requirements of the market on 3C shells and small hardware products are gradually improved, and higher-level judgment standards are provided for the appearance quality and the processing size precision of the products.
At present, most manufacturers have great production problems in the CNC machining process control of the 3C shell and the metal shell, no matter the machining quality or the machining efficiency: the highlight effect is poor; advance and retreat tool marks, reversing marks, vibration marks and the like influence the visual effect; the machining dimensional accuracy is low. Particularly, various types of forming milling and hole edge chamfering processing are distributed around the shell of the 3C mobile phone electronic product, and the traditional processing method can be realized only by clamping the product for many times, so that the efficiency is low, and more manpower and field resources are occupied.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of above-mentioned prior art, provide one kind can carry out the shaping to the 3C product and mill and the multi-functional cutter of hole limit chamfer.
The technical scheme of the utility model is that: a profile forming chamfer milling cutter for a superhard material 3C product comprises a cutter handle and a cutting part, wherein the inner end of the cutting part is provided with a multi-section profile composite curve cutting edge, the outer end of the cutting part is provided with an oblique angle cutting edge, the angle of the oblique angle cutting edge is 90-150 degrees, the corresponding oblique angle cutting edge and the multi-section profile composite curve cutting edge are connected into a spiral edge part, and a chip groove is also arranged between the edge parts;
the cutting part is provided with a radial first relief angle, the angle of the radial first relief angle is 8-15 degrees, the cutting part is further provided with a radial second relief angle, the angle of the radial second relief angle is 12-25 degrees, the multi-section profile composite curve cutting edge is provided with an axial first relief angle, the angle of the axial first relief angle is 3-12 degrees, the multi-section profile composite curve cutting edge is further provided with an axial second relief angle, and the angle of the axial second relief angle is 10-20 degrees;
each outer end face of the bevel cutting edge is further provided with a cutting edge, the cutting edge is provided with a rake angle, and the rake angle is 10-25 degrees.
Preferably, the bevel cutting edge and the multi-section profile compound curve cutting edge respectively have three cutting edges.
Preferably, the angle of the helix angle of the blade part is 5 to 15 °.
Preferably, the width of the radial first relief angle is 0.3-1.0 mm.
Preferably, the width of the axial first relief angle is 0.3-1.0 mm.
Furthermore, the bevel cutting edge and the multi-section profile composite curve cutting edge are also provided with a micro-passivation treatment layer.
The utility model has the advantages that: the utility model adopts ultra-precision grinding and unique surface post-treatment process, the cutter surface quality is high, the part processing surface quality is excellent, the rear cutter surface is optimally designed and specially surface treated, the friction coefficient with 3C product materials such as copper-aluminum glass fiber reinforced plastics is small at high speed and high temperature, the anti-bonding wear performance is excellent, the superfine particle hard alloy matrix enables the cutter wear resistance and the cutting edge strength to be perfectly combined, the micro-collapse defect of the cutting edge is eliminated, and the anti-collapse performance is enhanced; the core thickness and the chip groove are reasonably distributed, the strength and the chip removal performance of the cutter are perfectly unified, the stability of cutting chips is improved, and the requirements of long service life and high stability are met; the integrated milling and hole edge chamfering functions are integrated, the problem that the visual effect is influenced by the advancing and retreating tool marks, the reversing marks, the vibration marks and the like on the machined surface can be solved, and the machining size precision of a product is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a plan view of the cutting portion of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Referring to fig. 1 and 2, the profile forming chamfer milling cutter for the superhard material 3C product comprises a cutter handle 1 and a cutting part;
specifically, the cutting part is made of ultrafine particle integral hard alloy, and the hardness of the cutting part is greater than HRA93, so that the requirements of long service life and high stability are met;
the inner end of the cutting part is provided with a multi-section profile composite curve blade 2, so that the profile of a 3C product can be formed;
the outer end of the cutting part is provided with an oblique angle cutting edge 3, the angle F of the oblique angle cutting edge 3 is 90-150 degrees, and the chamfering function of processing a positioning hole, a side hole, a chamfering surface, a connecting position and a cavity part of a 3C product can be realized;
specifically, the bevel cutting edge 3 and the multi-section profile composite curve cutting edge 2 are respectively provided with three bevel cutting edges, the corresponding bevel cutting edge 3 and the multi-section profile composite curve cutting edge 2 are connected into a spiral edge part, and the angle of the spiral angle of the edge part is 5-15 degrees so as to reduce the cutting resistance of the cutter;
chip grooves are formed among the cutting edges, each chip groove is provided with a W angle, the angle of the W angle is 80-110 degrees, the strength and the chip removal performance of the cutter can be perfectly unified, and the stability of chips is improved;
the blade part is provided with a radial first back angle c, the angle of the radial first back angle c is 8-15 degrees, the width K of the radial first back angle c is 0.3-1.0 mm, the blade part is further provided with a radial second back angle b, the angle of the radial second back angle b is 12-25 degrees, the multi-section profile composite curve blade 2 is provided with an axial first back angle c1, the angle of the axial first back angle c1 is 3-12 degrees, the width K1 of the axial first back angle c1 is 0.3-1.0 mm, the multi-section profile composite curve blade 2 is further provided with an axial second back angle b1, the angle of the axial second back angle b1 is 10-20 degrees, so that the friction coefficient during cutting of the cutter is reduced, and the anti-adhesive wear performance is improved;
the outer end face of each bevel cutting edge 3 is also provided with a cutting edge 5 so as to improve the smoothness of the machined surface and reduce the bad conditions of bright lines and the like on the surface of a workpiece;
the cutting edge 5 is provided with a front angle a, the angle of the front angle a is 10-25 degrees, the design of a large front angle can ensure that the utility model is sharp in cutting, and can effectively avoid the generation of accumulated scraps;
the bevel cutting edge 3 and the multi-section profile composite curve cutting edge 2 are also provided with a micro-passivation treatment layer, the passivation amount is 2-5 microns, so that the micro-chipping defect of the cutting edge is eliminated, the chipping resistance is enhanced, and the requirements of long service life and high stability are met.
The utility model adopts ultra-precision grinding and unique surface post-treatment process, the cutter surface quality is high, the part processing surface quality is excellent, the rear cutter surface is optimally designed and specially surface treated, the friction coefficient with 3C product materials such as copper-aluminum glass fiber reinforced plastics is small at high speed and high temperature, the anti-bonding wear performance is excellent, the superfine particle hard alloy matrix enables the cutter wear resistance and the cutting edge strength to be perfectly combined, the micro-collapse defect of the cutting edge is eliminated, and the anti-collapse performance is enhanced; the core thickness and the chip groove are reasonably distributed, the strength and the chip removal performance of the cutter are perfectly unified, the stability of cutting chips is improved, and the requirements of long service life and high stability are met; the integrated milling and hole edge chamfering functions are integrated, the problem that the visual effect is influenced by the advancing and retreating tool marks, the reversing marks, the vibration marks and the like on the machined surface can be solved, and the machining size precision of a product is improved.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
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 herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a superhard materials 3C product profile shaping chamfer milling cutter, comprises handle of a knife and cutting portion, its characterized in that: the inner end of the cutting part is provided with a multi-section profile composite curve cutting edge, the outer end of the cutting part is provided with an oblique angle cutting edge, the angle of the oblique angle cutting edge is 90-150 degrees, the corresponding oblique angle cutting edge and the multi-section profile composite curve cutting edge are connected into a spiral edge part, and a chip groove is further formed between the edge parts;
the cutting part is provided with a radial first relief angle, the angle of the radial first relief angle is 8-15 degrees, the cutting part is further provided with a radial second relief angle, the angle of the radial second relief angle is 12-25 degrees, the multi-section profile composite curve cutting edge is provided with an axial first relief angle, the angle of the axial first relief angle is 3-12 degrees, the multi-section profile composite curve cutting edge is further provided with an axial second relief angle, and the angle of the axial second relief angle is 10-20 degrees;
each outer end face of the bevel cutting edge is further provided with a cutting edge, the cutting edge is provided with a rake angle, and the rake angle is 10-25 degrees.
2. A superhard material 3C product profile shaping chamfer cutter as claimed in claim 1, wherein: the bevel cutting edge and the multi-section profile composite curve cutting edge are respectively provided with three cutting edges.
3. A superhard material 3C product profile shaping chamfer cutter as claimed in claim 2, wherein: the angle of the helical angle of the blade part is 5-15 degrees.
4. A superhard material 3C product profile shaping chamfer cutter as claimed in claim 3, wherein: the width of the radial first relief angle is 0.3-1.0 mm.
5. A superhard material 3C product profile shaping chamfer milling cutter as claimed in claim 4, wherein: the width of the axial first relief angle is 0.3-1.0 mm.
6. A superhard material 3C product profile shaping chamfer cutter as claimed in claim 1, wherein: and the bevel cutting edge and the multi-section profile composite curve cutting edge are also provided with a micro-passivation treatment layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120253795.2U CN214349872U (en) | 2021-01-29 | 2021-01-29 | Superhard materials 3C product profile shaping chamfer milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120253795.2U CN214349872U (en) | 2021-01-29 | 2021-01-29 | Superhard materials 3C product profile shaping chamfer milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214349872U true CN214349872U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120253795.2U Active CN214349872U (en) | 2021-01-29 | 2021-01-29 | Superhard materials 3C product profile shaping chamfer milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214349872U (en) |
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2021
- 2021-01-29 CN CN202120253795.2U patent/CN214349872U/en active Active
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