High-performance single crystal diamond ball head contour milling cutter

Abstract

The utility model discloses a high-performance single crystal diamond ball head profile milling cutter which is characterized by comprising a cutter body, and a cutter head with a spherical surface structure is arranged at one end of the cutter body through a cutter head mounting seat; a cambered surface contour machining tool and a cutting tool are arranged on the tool bit with the spherical surface structure; the cambered surface contour machining cutter is an inclined cambered surface contour machining cutter, and the inclination angle is 55-60 degrees between the extension line of the highest point of the inclined angle and the axis of the cutter head; the cutter comprises an inclined radial blade and an inclined axial blade. The utility model relates to a high-performance monocrystal diamond ball head contour milling cutter, which aims at the development of ultra-high molecular polyethylene material products. The cutter has the main characteristics that the cutter has a 120-degree ultra-large machining range, ultra-high sharpness and long service life, the contour precision of a milled product is ensured, and a high-precision laser cutting forming design is adopted, so that the product can reach a required spline curve shape at one time, and the surface of the product has high smoothness.

Description

Technical Field

[0001] The utility model relates to the field of diamond tool manufacturing, in particular to a high-performance single crystal diamond ball head contour milling cutter. Background Art

[0002] Ultra-high molecular weight polyethylene (UHMWPE) is an engineering plastic with excellent performance.

[0003] When CNC equipment is used to process ultra-high molecular weight polyethylene materials, very high requirements are placed on the product's contour curve accuracy, knife marks, and tool life.

[0004] For this purpose, it is necessary to design corresponding single crystal diamond ball head contour milling cutter to meet the processing requirements. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the object of the present invention is to provide a high-performance single crystal diamond ball-end profile milling cutter.

[0006] In order to achieve the purpose of this utility model, the technical solution adopted is:

[0007] A high performance single crystal diamond ball head profile milling cutter, comprising:

[0008] A cutter body, at one end of which a cutter head with a spherical structure is arranged through a cutter head mounting seat;

[0009] A cambered surface contour processing knife and a cutting knife are arranged on the knife head of the spherical structure;

[0010] The arc surface contour processing tool is an inclined arc surface contour processing tool, and the inclination angle is 55-60° between the extension line of its highest point and the axis of the tool head;

[0011] The cutting blade includes an inclined radial cutting edge and an inclined axial cutting edge;

[0012] The angle range of the blade rake angle of the radial blade is 15±1°;

[0013] The angle range of the blade clearance angle of the radial blade is 20±1°;

[0014] The angle range of the blade rake angle of the axial blade is 5±1°;

[0015] The angle range of the back angle of the axial blade is 20±1°.

[0016] In a preferred embodiment of the present invention, the thickness of the arc surface contour processing tool is 0.5 mm.

[0017] In a preferred embodiment of the present invention, the width of the arc surface contour processing knife is 5.6±0.1 mm.

[0018] In a preferred embodiment of the present invention, the arc angle of the arc surface contour machining tool is 3±0.005.

[0019] In a preferred embodiment of the present invention, the rake angle of the radial blade is 15°;

[0020] The blade clearance angle of the radial blade is 20°.

[0021] In a preferred embodiment of the present invention, the rake angle of the axial blade is 5°;

[0022] The back angle of the axial blade is 20°.

[0023] In a preferred embodiment of the present utility model, the tool head mounting seat comprises a step portion connected to the tool body and a cylindrical end connected to the tool head, and the inclination angle of the step portion is 30°.

[0024] The beneficial effects of the utility model are:

[0025] The utility model is a high-performance single crystal diamond ball head contour milling cutter developed for ultra-high molecular weight polyethylene material products. The main features are the 120-degree ultra-large processing range of the cutter, ultra-high sharpness, long life, ensuring the contour accuracy of the milled product, and adopting high-precision laser cutting molding design, which can make the product reach the required spline curve shape at one time, and the product surface is highly smooth. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The structure and working principle of the utility model are described below in conjunction with the accompanying drawings:

[0027] Figure 1 The structure of the utility model is shown in FIG. Figure 1 .

[0028] Figure 2 The structure of the utility model is shown in FIG. Figure 2 .

[0029] Figure 3 The structure of the utility model is shown in FIG. Figure 3 .

[0030] Figure 4 The structure of the utility model is shown in FIG. Figure 4 . DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below through the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the scope of the utility model. In addition, in the following structure, the description of the well-known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0032] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or component referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0033] like Figure 1 The high-performance single crystal diamond ball-end contour milling cutter shown in the figure comprises a metal tool body 100 , at one end of which a diamond tool head 200 with a spherical structure is arranged via a tool head mounting seat 110 .

[0034] The metal blade body 100 is tungsten steel, a high-hardness alloy whose main component is tungsten carbide (chemical formula: WC) and is made by powder metallurgy using cobalt (chemical formula: Co) as a binder.

[0035] The diamond cutter head 200 adopts high-quality CVD single crystal diamond, which is mainly composed of carbon elements through chemical vapor deposition and diamond synthesized in the laboratory through special technical means.

[0036] The cutter head mounting seat 110 includes a step portion 111 connected to the cutter body 100 and a columnar end 112 connected to the cutter head 200 . The step portion 111 has an inclination angle of 30°.

[0037] The spherical cutter head 200 is provided with a cambered contouring cutter 210 and a cutting cutter 220. The cambered contouring cutter 210 is an inclined cambered contouring cutter, and the angle between the extension line of the highest point and the axis of the cutter head is 55-60°. The thickness of the cambered contouring cutter 210 is 0.5 mm. The width of the cambered contouring cutter 210 is 5.6±0.1 mm. The curvature of the cambered contouring cutter 210 is 3±0.005.

[0038] The cutting blade 220 includes an inclined radial blade 221 and an inclined axial blade 222, wherein the blade rake angle 2211 of the radial blade 221 has an angle range of 15±1°, preferably 15° in the embodiment.

[0039] The angle range of the blade back angle 2212 of the radial blade 221 is 20±1°, and 20° is preferred in the embodiment.

[0040] The angle range of the blade rake angle 2221 of the axial blade 222 is 5±1°, preferably 5° in the embodiment.

[0041] The angle range of the blade back angle 2222 of the axial blade 222 is 20±1°, and 20° is preferred in the embodiment.

[0042] This utility model is developed for ultra-high molecular weight polyethylene material products. The main features are 120-degree ultra-large processing range of the tool, ultra-high sharpness, long life, ensuring the contour accuracy of the milling product, and adopting high-precision laser cutting molding design, which can make the product reach the required spline curve shape at one time and the product surface is highly smooth.

[0043] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above.

[0044] Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention shall be defined by the attached claims and their equivalents.

Claims

1. A high performance single crystal diamond ball end profile milling cutter, characterized in that: include: A cutter body, at one end of which a cutter head with a spherical structure is arranged through a cutter head mounting seat; A cambered surface contour processing knife and a cutting knife are arranged on the knife head of the spherical structure; The arc surface contour processing tool is an inclined arc surface contour processing tool, and the inclination angle is 55-60° between the extension line of its highest point and the axis of the tool head; The cutting blade includes an inclined radial cutting edge and an inclined axial cutting edge; The angle range of the blade rake angle of the radial blade is 15±1°; The angle range of the blade clearance angle of the radial blade is 20±1°; The angle range of the blade rake angle of the axial blade is 5±1°; The angle range of the back angle of the axial blade is 20±1°.

2. A high performance single crystal diamond ball end profile milling cutter as claimed in claim 1, characterized in that: The thickness of the arc surface contour processing knife is 0.5 mm.

3. A high performance single crystal diamond ball end profile milling cutter as claimed in claim 1, characterized in that: The width of the arc surface contour processing knife is 5.6±0.1 mm.

4. A high performance single crystal diamond ball end profile milling cutter as claimed in claim 1, characterized in that: The arc angle of the arc surface contour processing tool is 3±0.

005.

5. A high performance single crystal diamond ball end profile milling cutter as claimed in claim 1, characterized in that: The rake angle of the radial blade is 15°; The blade clearance angle of the radial blade is 20°.

6. A high performance single crystal diamond ball end profile milling cutter as claimed in claim 1, characterized in that: The blade rake angle of the axial blade is 5°; The back angle of the axial blade is 20°.

7. A high performance single crystal diamond ball end profile milling cutter as claimed in claim 1, characterized in that: The tool head mounting seat comprises a step portion connected to the tool body and a columnar end connected to the tool head, and the inclination angle of the step portion is 30°.

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