CN218396128U - Integral hard alloy spherical milling cutter - Google Patents
Integral hard alloy spherical milling cutter Download PDFInfo
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- CN218396128U CN218396128U CN202221810661.7U CN202221810661U CN218396128U CN 218396128 U CN218396128 U CN 218396128U CN 202221810661 U CN202221810661 U CN 202221810661U CN 218396128 U CN218396128 U CN 218396128U
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Abstract
The utility model discloses a spherical milling cutter of integral carbide, a serial communication port, include: the first end of the cutter handle part is connected with a cutter head through a step part, and the second end of the cutter handle part is provided with a chamfer structure; the cutter head is a double-edged spherical milling cutter, and the front end of the peripheral edge of the first blade of the cutter head is connected with the rear end of the peripheral edge of the second blade of the cutter head through a first arc-shaped groove; the rear end of the peripheral edge of the first blade of the cutter head is connected with the front end of the peripheral edge of the second blade of the cutter head through a second arc-shaped groove; the angle of the peripheral edge rake angle of the peripheral edge is 20 +/-1 degrees; the angle of the first peripheral edge relief angle of the peripheral edge is 18 +/-1 degrees; the angle of the second peripheral edge relief angle of the peripheral edge is 30 +/-2 degrees. The utility model provides a spherical milling cutter of integral carbide ensures to mill the product and does not leave the overlap through the sharpness of superelevation, adopts the design of the spherical two sword of high accuracy tip, can make the product once process into half circular shape, and the product surface possess very outstanding appearance quality.
Description
Technical Field
The utility model relates to a milling cutter preparation field, concretely relates to spherical milling cutter of integral carbide.
Background
When the method faces to the processing of mixed materials of plastic and nylon in the 3C industry, the requirements on the shape and size precision, the knife lines, the plastic flash and the service life of a cutter of a product are high. The special milling cutter needs to be designed for the purpose, and is developed aiming at a mixed material product of plastic and nylon, the special milling cutter is mainly characterized by ultrahigh sharpness, no flash is left in a milled product, the product can be processed into a semicircular shape at one time by adopting a high-precision end spherical two-edge design, and the surface of the product has very excellent appearance quality.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defects of the prior art, the present invention provides an integral hard alloy ball-shaped milling cutter. Through the super high sharpness, guarantee to mill the product and do not leave the overlap, adopt the design of high accuracy tip spherical twolip, can make the product once process into semicircle shape, the product surface possesses very outstanding appearance quality.
In order to realize the purpose of the utility model, the adopted technical scheme is that:
a one-piece cemented carbide ball mill, comprising:
a handle part, the first end of the handle part is connected with a cutter head through a step part,
a second end of the tool shank part is provided with a chamfer structure;
the cutter head is a double-edged spherical milling cutter, and the front end of the peripheral edge of the first blade of the cutter head is connected with the rear end of the peripheral edge of the second blade of the cutter head through a first arc-shaped groove;
the rear end of the peripheral edge of the first blade of the cutter head is connected with the front end of the peripheral edge of the second blade of the cutter head through a second arc-shaped groove;
the angle of the peripheral edge rake angle of the peripheral edge is 20 +/-1 degrees;
the angle of the first peripheral edge relief angle of the peripheral edge is 18 +/-1 degrees;
the angle of the second peripheral edge relief angle of the peripheral edge is 30 +/-2 degrees;
the front angle of the end teeth of the cutter head is 8 +/-1 degree;
the first back angle of the end teeth of the cutter head is 15 +/-1 degrees;
the second relief angle of the end teeth of the cutter head is 25 +/-2 degrees.
In a preferred embodiment of the invention, the cross-section of the cutting head has a core diameter of 0.5mm.
In a preferred embodiment of the invention, the angle of the first and second cutting edges at the chisel edge is 105 °.
In a preferred embodiment of the present invention, the inclination angle of the step portion is 30 °.
In a preferred embodiment of the present invention, the integral cemented carbide ball mill is made of tungsten steel.
In a preferred embodiment of the present invention, the width of the peripheral edge is 0.16mm.
In a preferred embodiment of the present invention, the length of the cutter head is 5 ± 0.05mm.
In a preferred embodiment of the invention, the angle of the radial helix angle of the cutting head is 20 °.
The beneficial effects of the utility model reside in that:
the utility model provides a spherical milling cutter of integral carbide ensures to mill the product and does not leave the overlap through the sharpness of superelevation, adopts the design of the spherical two sword of high accuracy tip, can make the product once process into half circular shape, and the product surface possess very outstanding appearance quality.
Drawings
The structure and the working principle of the present invention are further explained and explained below with reference to the attached drawings of the present invention:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a partial structure of the present invention.
Fig. 3 is a schematic view of a partial structure of the present invention.
Fig. 4 is a schematic view of a local structure of the present invention.
Fig. 5 is a schematic view of a local structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following structures, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only for convenience of description of the present invention and simplification of description. And are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation and are therefore not to be considered limiting of the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A one-piece carbide ball mill as shown in fig. 1-5 comprises a shank portion 100, a tool bit 200 connected to a first end of the shank portion 100 via a step portion 110. A chamfer structure 120 is provided at the second end of the shank portion 100.
The inclination angle of the step portion 110 is 30 °. The integral hard alloy ball milling cutter is made of tungsten steel, the main component of the integral hard alloy ball milling cutter is tungsten carbide (chemical formula: WC), cobalt (chemical formula: co) is used as a bonding agent, and the integral hard alloy ball milling cutter is made of a high-hardness alloy through a powder metallurgy process.
Referring to fig. 2-5, the cutting head 200 is a double-edged ball milling cutter structure, and a front end of a peripheral edge of a first cutting edge 210 of the cutting head 200 is connected to a rear end of a peripheral edge of a second cutting edge 230 of the cutting head 200 via a first arc-shaped groove 220.
The peripheral edge rear end of the first blade 210 of the tool bit 200 is connected to the peripheral edge front end of the second blade 230 of the tool bit 200 by the second arc-shaped groove 240.
The peripheral edge of the first blade 210 and the peripheral edge of the second blade 230 are symmetrical, and the peripheral edge 300 will be described below.
The peripheral edge 300 has a width of 0.16mm.
The peripheral edge rake angle 310 of the peripheral edge 300 is 20 ± 1 °.
The angle of the first peripheral edge relief angle 320 of the peripheral edge 300 is 18 ± 1 °, and the angle of the second peripheral edge relief angle 330 of the peripheral edge 300 is 30 ± 2 °.
The length of the core diameter 201 of the cutting head cross section 200 is 0.5mm.
The angle of the rake angle 251 of the end teeth 250 of the tool tip 200 is 8 ± 1 °.
The angle of the first clearance angle 252 of the end tooth 250 of the cutter head 200 is 15 + -1 deg., and the angle of the second clearance angle 253 of the end tooth 250 of the cutter head 200 is 25 + -2 deg..
The angle 203 of the first blade edge 210 and the second blade edge 230 at the chisel edge 202 is 105 °.
The length of the cutting head 200 is 5 + -0.05 mm, and the angle of the radial helix angle of the cutting head 200 is 20 deg..
The utility model adopts the above structure to make integral carbide ball milling cutter through the sharpness of superelevation, ensures to mill the product and does not leave the overlap, adopts the design of the spherical twolip of high accuracy tip, can make the product once process into half circular shape, and the product surface possesses very outstanding appearance quality.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (8)
1. A one-piece cemented carbide ball mill, comprising:
a cutter handle part, the first end of the cutter handle part is connected with a cutter head through a step part,
a second end of the tool shank part is provided with a chamfer structure;
the cutter head is a double-edged spherical milling cutter, and the front end of the peripheral edge of the first blade of the cutter head is connected with the rear end of the peripheral edge of the second blade of the cutter head through a first arc-shaped groove;
the rear end of the peripheral edge of the first blade of the cutter head is connected with the front end of the peripheral edge of the second blade of the cutter head through a second arc-shaped groove;
the angle of the peripheral edge rake angle of the peripheral edge is 20 +/-1 degrees;
the angle of the first peripheral edge relief angle of the peripheral edge is 18 +/-1 degrees;
the angle of the second peripheral edge relief angle of the peripheral edge is 30 +/-2 degrees;
the front angle of the end teeth of the cutter head is 8 +/-1 degree;
the first back angle of the end teeth of the cutter head is 15 +/-1 degrees;
the second relief angle of the end teeth of the cutter head is 25 +/-2 degrees.
2. A one-piece cemented carbide ball mill as claimed in claim 1, wherein the cross-section of the insert has a core diameter of 0.5mm.
3. A one-piece carbide ball mill as claimed in claim 1, wherein said first and second cutting edges are at an angle of 105 ° at the chisel edge.
4. The one-piece cemented carbide ball mill according to claim 1, wherein the step portion is inclined at an angle of 30 °.
5. The solid carbide ball mill of claim 1, wherein the solid carbide ball mill is of tungsten steel.
6. A one-piece cemented carbide ball mill as claimed in claim 1, wherein the width of the peripheral edge is 0.16mm.
7. A one-piece cemented carbide ball mill as claimed in claim 1, wherein the length of the insert is 5 ± 0.05mm.
8. A one-piece cemented carbide ball mill as claimed in claim 1, wherein the angle of the radial helix angle of the cutting head is 20 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221810661.7U CN218396128U (en) | 2022-07-13 | 2022-07-13 | Integral hard alloy spherical milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221810661.7U CN218396128U (en) | 2022-07-13 | 2022-07-13 | Integral hard alloy spherical milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218396128U true CN218396128U (en) | 2023-01-31 |
Family
ID=85012675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221810661.7U Active CN218396128U (en) | 2022-07-13 | 2022-07-13 | Integral hard alloy spherical milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218396128U (en) |
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2022
- 2022-07-13 CN CN202221810661.7U patent/CN218396128U/en active Active
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