Single crystal diamond contour milling cutter for plastic processing

Abstract

The utility model discloses a single crystal diamond contour milling cutter for plastic processing, which comprises a cylindrical cutter body, and a wedge-shaped cutter head seat is arranged at the cutter head connecting end of the cylindrical cutter body; a diamond contour cutter body structure is arranged on the radial peripheral surface of the wedge-shaped cutter head seat; the diamond contour cutter body structure extends out of the tail end of the wedge-shaped cutter head seat in the axial direction; the diamond outline cutter body structure is axially provided with an axial cutting edge which is inclined inwards; the axial cutting edge is obliquely provided with an axial cutting edge front angle and an axial cutting edge rear angle; the inner end of the diamond contour cutter body structure deviates from the axis of the wedge-shaped cutter head seat; a radial cutting edge front angle and a radial cutting edge rear angle are arranged in the radial direction of the diamond outline cutter body structure; and a concave arc surface is arranged at the radial wide part of the diamond profile cutter body structure. The laser cutting device is used for development of plastic (PC) material products, high-precision laser cutting forming design is adopted, the products can reach the required spline curve shape at a time, and the surfaces of the products have very bright appearance quality.

Description

Technical Field

[0001] The utility model relates to the field of diamond tool manufacturing, in particular to a single crystal diamond contour milling cutter for plastic processing. Background Art

[0002] Diamond profile milling cutter is a milling cutter made of diamond material. It has extremely high hardness and wear resistance and is suitable for high-speed cutting of non-ferrous materials such as graphite, aluminum alloy, copper, etc. There are many types of diamond tools with significant performance differences. The structure, preparation method and application field of different types of diamond tools are quite different. Diamond milling cutters are widely used in the field of precision machining and can achieve ultra-precision surface machining with extremely high accuracy and surface finish.

[0003] The processing of plastic (PC) materials in the 3C industry requires the provision of high-performance single-crystal diamond contour milling cutters with higher sharpness to ensure the contour accuracy and light transmittance of the milled products. The use of high-precision laser cutting and molding design can enable the product to achieve the required spline curve shape in one go, and the product surface has a very transparent appearance quality. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the purpose of the utility model is to provide a single crystal diamond profile milling cutter for plastic processing.

[0005] The utility model single crystal diamond contour milling cutter for plastic processing is specially developed for plastic (PC) material products. Its main features are ultra-high sharpness and long service life. It ensures the contour accuracy and light transmittance of the milled products. It adopts high-precision laser cutting and molding design, which can make the product reach the required spline curve shape at one time, and the product surface has a very transparent appearance quality.

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

[0007] A single crystal diamond profile milling cutter for plastic processing, comprising:

[0008] A cylindrical cutter body, wherein a wedge-shaped cutter head seat is provided at a cutter head connecting end of the cylindrical cutter body;

[0009] A diamond contour cutter body structure is provided on the radial outer peripheral surface of the wedge-shaped cutter head seat;

[0010] The diamond profile cutter body structure extends out of the end of the wedge-shaped cutter head seat in the axial direction;

[0011] The diamond profile cutter body structure is axially provided with an inwardly inclined axial cutting edge;

[0012] The axial blade is inclined to have an axial blade front angle and an axial blade back angle;

[0013] The angle range of the axial blade rake angle is 5±1°;

[0014] The angle range of the axial blade back angle is 10±1°;

[0015] The inner end of the diamond profile cutter body structure deviates from the axis of the wedge-shaped cutter head seat;

[0016] A radial blade front angle and a radial blade back angle are provided in the radial direction of the diamond profile blade body structure;

[0017] The radial blade rake angle is 8±0.1°;

[0018] The radial blade clearance angle is 20±0.1°;

[0019] The radial wide portion of the diamond profile cutter body structure is provided with a concave arc surface.

[0020] In a preferred embodiment of the present invention, the distance that the diamond contour cutter body structure extends in the axial direction from the end of the wedge-shaped cutter head seat is 0.5±0.02 mm, preferably 0.5 mm.

[0021] In a preferred embodiment of the present invention, the axial length of the diamond contour tool body structure is 5.15±0.05 mm.

[0022] In a preferred embodiment of the present invention, the end width of the wedge-shaped tool head seat is 7±0.05 mm.

[0023] In a preferred embodiment of the present invention, the inner end of the diamond contour tool body structure deviates from the axis of the wedge-shaped tool head seat, and the width difference with the axis is 0.5±0.05mm, and the upper end of the diamond contour tool body structure is at the same height as the axis.

[0024] In a preferred embodiment of the present invention, the angle of the concave arc surface is 0.01.

[0025] The beneficial effects of the utility model are:

[0026] The utility model is used for the development of plastic (PC) material products, which can effectively ensure the contour accuracy and light transmittance of milling products. The high-precision laser cutting molding design can make the product reach the required spline curve shape at one time, and the product surface has a very transparent appearance quality. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0028] Figure 2The 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 It is a schematic diagram of the use of the utility model. 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 1-4 The single crystal diamond contour milling cutter for plastic processing shown in the figure comprises a cylindrical cutter body 100 , and a wedge-shaped cutter head seat 110 is provided at the cutter head connecting end of the cylindrical cutter body 100 .

[0034] A diamond profile tool body structure 120 is arranged on the radial outer peripheral surface of the wedge-shaped tool head seat 110 , and the diamond profile tool body structure 120 extends out of the end of the wedge-shaped tool head seat 110 in the axial direction, which makes it easier to set the blade for processing.

[0035] The diamond contour blade structure 120 is a large-sized CVD single crystal diamond, which is mainly composed of carbon elements through chemical vapor deposition and diamond synthesized in a laboratory through special technical means.

[0036] The tool body structure is a high-strength cemented carbide also called tungsten steel, whose main component is tungsten carbide (chemical formula: WC), which uses cobalt (chemical formula: Co) as a binder and is a high-hardness alloy made through a powder metallurgy process.

[0037] The distance that the diamond profile blade structure 120 extends in the axial direction from the end of the wedge-shaped blade seat 110 is 0.5±0.02 mm. In the embodiment, it is 0.5 mm. The axial length of the diamond profile blade structure 120 is 5.15±0.05 mm. The end width of the wedge-shaped blade seat 110 is 7±0.05 mm.

[0038] An inwardly inclined axial blade edge 121 is axially arranged on the diamond profile blade body structure 120 . The axial blade edge 121 is inclinedly arranged with an axial blade front angle 1211 and an axial blade back angle 1212 .

[0039] The angle range of the axial blade rake angle 1211 is 5±1°, and is 5° in the embodiment.

[0040] The angle range of the axial blade back angle 1212 is 10±1°, and is 10° in the embodiment.

[0041] The inner end of the diamond profile blade structure 120 deviates from the axis 111 of the wedge-shaped blade seat 110, and a radial blade rake angle 1221 and a radial blade clearance angle 1222 are provided in the radial direction of the diamond profile blade structure 120, the radial blade rake angle 1221 is 8±0.1°, the radial blade clearance angle 1222 is 20±0.1°, and a concave arc surface 123 is provided in the radial wide portion of the diamond profile blade structure 120. The angle of the concave arc surface 123 is 0.01.

[0042] The inner end of the diamond profile blade structure 120 deviates from the axis 111 of the wedge-shaped blade seat 110 , and the width difference with the axis 111 is 0.5±0.05 mm. The upper end of the diamond profile blade structure 120 is at the same height as the axis 111 .

[0043] Because of the above structure, the working principle of the utility model is:

[0044] The utility model is used for the development of plastic (PC) material products, which can effectively ensure the contour accuracy and light transmittance of the milling product 10. The high-precision laser cutting molding design can make the product reach the required spline curve shape at one time, and the product surface has a very transparent appearance quality.

[0045] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above.

[0046] 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 single crystal diamond profile milling cutter for plastic processing, characterized in that: include: A cylindrical cutter body, wherein a wedge-shaped cutter head seat is provided at a cutter head connecting end of the cylindrical cutter body; A diamond contour cutter body structure is provided on the radial outer peripheral surface of the wedge-shaped cutter head seat; The diamond profile cutter body structure extends out of the end of the wedge-shaped cutter head seat in the axial direction; The diamond profile cutter body structure is axially provided with an inwardly inclined axial cutting edge; The axial blade is inclined to have an axial blade front angle and an axial blade back angle; The angle range of the axial blade rake angle is 5±1°; The angle range of the axial blade back angle is 10±1°; The inner end of the diamond profile cutter body structure deviates from the axis of the wedge-shaped cutter head seat; A radial blade front angle and a radial blade back angle are provided in the radial direction of the diamond profile blade body structure; The radial blade rake angle is 8±0.1°; The radial blade clearance angle is 20±0.1°; The radial wide portion of the diamond profile cutter body structure is provided with a concave arc surface.

2. A single crystal diamond profile milling cutter for plastic processing as claimed in claim 1, characterized in that: The distance that the diamond contour tool body structure extends in the axial direction from the end of the wedge-shaped tool head seat is 0.5±0.02 mm.

3. A single crystal diamond profile milling cutter for plastic processing as claimed in claim 1, characterized in that: The axial length of the diamond profile cutter body structure is 5.15±0.05 mm.

4. A single crystal diamond profile milling cutter for plastic processing as claimed in claim 1, characterized in that: The end width of the wedge-shaped tool head seat is 7±0.05mm.

5. A single crystal diamond profile milling cutter for plastic processing as claimed in claim 1, characterized in that: The inner end of the diamond contour tool body structure deviates from the axis of the wedge-shaped tool head seat, and the width difference with the axis is 0.5±0.05mm. The upper end of the diamond contour tool body structure is at the same height as the axis.

6. A single crystal diamond profile milling cutter for plastic processing as claimed in claim 1, characterized in that: The angle of the concave arc surface is 0.01.

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