PCD diamond double-edge finish-milling forming cutter

Abstract

The utility model discloses a PCD diamond double-edge finish-milling forming cutter, which comprises a cutter handle part, a cutter head part, a cutter head part and a cutter head part, wherein a step surface is arranged at the front end of the cutter handle part; a first blade mounting surface and a second blade mounting surface are arranged on the step surface in a mirror symmetry manner along the axis; a first diamond cutting edge is arranged on the first cutting edge mounting surface in a welding manner, and a second diamond cutting edge is arranged on the second cutting edge mounting surface in a welding manner; the cross section of the first diamond cutting edge or the second diamond cutting edge is of a trapezoid-like structure; a first axial rake angle and a second axial rake angle are arranged in the axial direction of the first diamond cutting edge or the second diamond cutting edge; a radial rake angle is arranged in the radial direction of the first diamond cutting edge or the second diamond cutting edge; and the first diamond cutting edge or the second diamond cutting edge is inclined along the axis. The PCD diamond double-edge finish-milling forming cutter is high in hardness, good in abrasion resistance and anti-tipping effect and capable of being specially used for appearance forming machining of aluminum alloy products.

Description

Technical Field

[0001] This utility model relates to the field of diamond tool manufacturing, specifically to a PCD diamond double-edged precision milling tool. Background Technology

[0002] In the production process of aluminum alloy products, the appearance forming and processing stage is crucial, as it imposes high standards on product quality in multiple dimensions.

[0003] In terms of precision, aluminum alloy products are often used in various precision equipment or scenarios with strict dimensional requirements. This requires the appearance forming process to accurately control the various dimensional parameters of the product, ensuring that each component meets the design requirements, so as to guarantee the overall performance of the product and the accuracy of assembly.

[0004] Surface finish is also a key indicator. A smooth surface not only enhances the product's appearance and texture but also reduces friction and wear during use, extending the product's lifespan and satisfying consumers' pursuit of a high-quality appearance.

[0005] The shape and outline are equally important. A precise shape and outline is the foundation for a product to achieve its function; any slight deviation may affect the product's usability and aesthetic harmony.

[0006] Furthermore, tool life is also a major concern during the machining process. A longer tool life can reduce production costs, increase production efficiency, and minimize downtime and labor costs caused by frequent tool changes. Therefore, the surface forming of aluminum alloy products requires high standards in terms of precision, surface finish, shape accuracy, and tool life. Utility Model Content

[0007] In order to overcome the above-mentioned defects of the prior art, the purpose of this utility model is to provide a PCD diamond double-edged precision milling cutter.

[0008] To achieve the objective of this utility model, the technical solution adopted is as follows:

[0009] A PCD diamond double-edged precision milling cutter includes:

[0010] A tool holder portion, wherein a stepped surface is provided at the front end of the tool holder portion;

[0011] A first cutting edge mounting surface and a second cutting edge mounting surface are provided symmetrically along the axis on the stepped surface.

[0012] A first diamond cutting edge is provided on the first cutting edge mounting surface by welding, and a second diamond cutting edge is provided on the second cutting edge mounting surface by welding.

[0013] The cross-section of the first diamond cutting edge or the second diamond cutting edge is a trapezoidal structure, the trapezoidal structure includes a first inclined surface with a first chamfer in the middle, and the first inclined surface is connected to the second inclined surface near the axis.

[0014] The second inclined plane is connected to the first horizontal plane, the first horizontal plane is connected to the first vertical plane, and the other end of the first vertical plane is connected to the end of the first inclined plane;

[0015] The radius of curvature of the first chamfer is 0.4-0.5 mm;

[0016] The first diamond cutting edge or the second diamond cutting edge is provided with a first axial rake angle and a second axial rake angle along its axis.

[0017] The first axial forward angle is 1.5-2°;

[0018] The angle of the second axial forward angle is 15-16°;

[0019] The first diamond cutting edge or the second diamond cutting edge is provided with a radial rake angle, the angle of which is 5-6°;

[0020] The first or second diamond cutting edge is inclined along the axis at an angle of 5-6°.

[0021] In a preferred embodiment of the present invention, the first diamond cutting edge or the second diamond cutting edge is provided with a radial rake angle, the angle of which is 5°.

[0022] In a preferred embodiment of this utility model, the first diamond cutting edge or the second diamond cutting edge is inclined along the axis at an angle of 5°.

[0023] In a preferred embodiment of this utility model, the first diamond cutting edge or the second diamond cutting edge is made of PCD diamond material.

[0024] The beneficial effects of this utility model are as follows:

[0025] This utility model discloses a PCD diamond double-edged precision milling tool with high hardness, good wear resistance and anti-chipping effect, which can be used specifically for the appearance forming of aluminum alloy products. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 .

[0027] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 .

[0028] Figure 3This is a schematic diagram of the structure of the present invention. Figure 3 . Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit its scope. Furthermore, in the following descriptions, well-known structures and technologies have been omitted to avoid unnecessary confusion regarding the concept of this utility model.

[0030] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, terms such as "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] like Figures 1-3 The PCD diamond double-edged precision milling cutter shown includes a shank portion 100, and the front end of the shank portion 100 is provided with a stepped surface 110.

[0032] Key points combined Figure 3 A first blade mounting surface 111 and a second blade mounting surface 112 are provided symmetrically along the axis on the stepped surface 110.

[0033] A first diamond cutting edge 210 is provided on the first cutting edge mounting surface 111 by welding, and a second diamond cutting edge 220 is provided on the second cutting edge mounting surface 112 by welding.

[0034] The first diamond cutting edge 210 or the second diamond cutting edge 220 is made of PCD diamond. Its diamond particle size reaches the sub-micron level. This ultra-fine particle structure gives the tool excellent sharpness and edge retention, making it particularly suitable for applications requiring mirror-finish machining precision. In actual production, this tool not only ensures high-quality machining but also significantly improves machining efficiency, while also possessing high precision and long lifespan, helping to reduce production costs and enhance product market competitiveness.

[0035] The cross-section of the first diamond cutting edge 210 or the second diamond cutting edge 220 is a trapezoidal structure.

[0036] Taking the second diamond cutting edge 220 as an example, the trapezoidal structure includes a first inclined surface 222 with a first chamfer 221 in the middle. The first inclined surface 222 is connected to a second inclined surface 223 near the axis. The second inclined surface 223 is connected to a first horizontal surface 224. The first horizontal surface 224 is connected to a first vertical surface 225. The other end of the first vertical surface 225 is connected to the end of the first inclined surface 222. The radius of curvature of the first chamfer 221 is 0.4-0.5mm. By setting the first chamfer 221, the overall anti-chipping effect can be improved.

[0037] The first diamond cutting edge 210 or the second diamond cutting edge 220 is provided with a first axial rake angle and a second axial rake angle along its axis.

[0038] Taking the second diamond cutting edge 220 as an example, the angle of the first axial rake angle 226 is 1.5-2°, and the angle of the second axial rake angle 227 is 15-16°. In this embodiment, the angle of the second axial rake angle 227 is 15°.

[0039] The first diamond cutting edge 210 or the second diamond cutting edge 220 is provided with a radial rake angle. Taking the second diamond cutting edge 220 as an example, the angle of the radial rake angle 228 is 5-6°. In this embodiment, the angle of the radial rake angle 228 is 5°.

[0040] The first diamond cutting edge 210 or the second diamond cutting edge 220 is inclined along the axis. Taking the second diamond cutting edge 220 as an example, the inclination angle is 5-6°. In this embodiment, the inclination angle is 5°.

[0041] This utility model discloses a PCD diamond double-edged precision milling tool with high hardness, good wear resistance and anti-chipping effect, which can be used specifically for the appearance forming of aluminum alloy products.

[0042] The above shows and describes the basic principles, main features, and advantages of this utility model.

[0043] Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope. All such changes and modifications fall within the scope of this utility model as defined by the appended claims and their equivalents.

Claims

1. A PCD diamond double-edged precision milling cutter, characterized in that, include: A tool holder portion, wherein a stepped surface is provided at the front end of the tool holder portion; A first cutting edge mounting surface and a second cutting edge mounting surface are provided symmetrically along the axis on the stepped surface. A first diamond cutting edge is provided on the first cutting edge mounting surface by welding, and a second diamond cutting edge is provided on the second cutting edge mounting surface by welding. The cross-section of the first diamond cutting edge or the second diamond cutting edge is a trapezoidal structure, the trapezoidal structure includes a first inclined surface with a first chamfer in the middle, and the first inclined surface is connected to the second inclined surface near the axis. The second inclined plane is connected to the first horizontal plane, the first horizontal plane is connected to the first vertical plane, and the other end of the first vertical plane is connected to the end of the first inclined plane; The radius of curvature of the first chamfer is 0.4-0.5 mm; The first diamond cutting edge or the second diamond cutting edge is provided with a first axial rake angle and a second axial rake angle along its axis. The first axial forward angle is 1.5-2°; The angle of the second axial forward angle is 15-16°; The first diamond cutting edge or the second diamond cutting edge is provided with a radial rake angle, the angle of which is 5-6°; The first or second diamond cutting edge is inclined along the axis at an angle of 5-6°.

2. The PCD diamond double-edged precision milling cutter as described in claim 1, characterized in that, The first or second diamond cutting edge is provided with a radial rake angle, the angle of which is 5°.

3. The PCD diamond double-edged precision milling cutter as described in claim 1, characterized in that, The first or second diamond cutting edge is inclined along the axis at an angle of 5°.

4. The PCD diamond double-edged precision milling cutter as described in claim 1, characterized in that, The first or second diamond cutting edge is made of PCD diamond material.

Images