Precious metal faceting cutter structure

Abstract

The utility model discloses a precious metal faceting tool structure which comprises a tool bit and a turning tool body installed on the tool bit, sharpening reference faces are integrally formed on the upper side and the lower side of the outer circle face of the tool bit, a tool body installation clamping groove used for installing the turning tool body is formed in one side wall of the tool bit, and the tool body installation clamping groove is communicated with the top and the bottom of the tool bit. The mounting part of the turning tool body is of a wedge-shaped structure with a large inner part and a small outer part; and the side wall of the turning tool body is a clamping inclined surface which is tightly matched with the tool body mounting clamping groove. The lathe tool body mounting part is arranged to be of the wedge-shaped structure with the large inside and the small outside, it can be guaranteed that the lathe tool body can be clamped in the tool body mounting clamping groove after being mounted, the outer circle face of the tool bit can be arranged to be of the structure matched with the lathe tool body in appearance, reference can be provided for grinding of the included angle of the lathe tool body when the lathe tool body is ground, and the lathe tool is extremely convenient and practical.

Description

Technical Field

[0001] The utility model relates to the field of precious metal processing, in particular to a precious metal pattern cutting knife structure. Background Art

[0002] When processing precious metal hand jewelry, in order to improve the aesthetics, it is necessary to use a cutting knife to process decorative patterns on its surface. Most existing cutting tools use screw crimping or fixed welding to connect the knife body and the knife handle, but most of the knife heads do not have a bevel that matches the angle of the knife. There is no angle reference when sharpening the knife, which is inconvenient. Moreover, the two mounting surfaces of the knife body are mostly parallel structures, which cannot be clamped during installation. They need to be clamped before welding or screw crimping, which is inconvenient. Therefore, those skilled in the art provide a precious metal cutting knife structure to solve the problems raised in the above background technology. Utility Model Content

[0003] The utility model aims to provide a precious metal biting knife structure to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A precious metal bitting tool structure comprises a tool head and a turning tool body mounted on the tool head, wherein sharpening reference surfaces are integrally formed on the upper and lower sides of the outer circumferential surface of the tool head, a tool body mounting slot for mounting the turning tool body is provided on one side wall of the tool head, the tool body mounting slot is connected with the top and bottom of the tool head, the mounting part of the turning tool body is a wedge-shaped structure with a larger inside and a smaller outside, and the side wall of the turning tool body is a clamping inclined surface that fits tightly with the tool body mounting slot.

[0006] Furthermore, a top directional groove is provided on the top of the cutter head, and the angle between the sharpening reference surfaces is.

[0007] Furthermore, a blade surface is integrally formed on one side wall of the tool body, and a tool body back angle surface is integrally formed on one side of the tool body adjacent to the blade surface, and the angle between the tool body back angle surface and the blade surface is between 78° and 85°.

[0008] Furthermore, a tool body rear angle support surface is integrally formed on one side of the tool body rear angle surface 302 on the tool body. There are two tool body rear angle support surfaces and two tool body rear angle surfaces, and the angles between the two tool body rear angle support surfaces and the two tool body rear angle surfaces are both 120°.

[0009] Among them, a stepped handle is integrally formed at the bottom of the blade head.

[0010] Furthermore, the upper and lower ends of the turning tool body are flush with the upper and lower end surfaces of the tool body mounting slot, and the contact surfaces between the turning tool body and the tool body mounting slot are coated with adhesive.

[0011] Furthermore, the upper and lower ends of the turning tool body are sunken into the upper and lower ends of the tool body mounting slot, and the upper and lower ends of the tool body mounting slot are clad with cladding bodies for fixing the cutter head and the turning tool body.

[0012] The utility model arranges the installation part of the turning tool body into a wedge-shaped structure with a larger inner part and a smaller outer part, so that the turning tool body can be clamped in the tool body installation groove after installation, and the outer cylindrical surface of the cutter head can be arranged to match the shape of the turning tool body. When grinding the turning tool body, a reference for the grinding of the included angle thereof can be provided, which is extremely convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of the first embodiment of the present utility model;

[0014] Figure 2 It is a cross-sectional view of the first embodiment of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the second embodiment of the present utility model;

[0016] Figure 4 It is a cross-sectional view of the second embodiment of the utility model;

[0017] Figure 5 It is a top view of the second embodiment of the utility model;

[0018] Figure 6 for Figure 5 Enlarged view of point A in the middle.

[0019] In the figure: 1. tool handle; 2. tool head; 201. tool grinding reference surface; 202. top orientation groove; 203. tool body mounting slot; 3. tool body; 301. tool body rear angle support surface; 302. tool body rear angle surface; 303. blade surface; 304. clamping bevel; 4. weld body. DETAILED DESCRIPTION

[0020] See also Figure 1-Figure 6A precious metal bitting tool structure comprises a tool head 2 and a turning tool body 3 installed on the tool head 2. The upper and lower sides of the outer circumferential surface of the tool head 2 are integrally formed with a sharpening reference surface 201. A tool body mounting slot 203 for mounting the turning tool body 3 is opened on one side wall of the tool head 2. The tool body mounting slot 203 is connected with the top and bottom of the tool head 2. The mounting part of the turning tool body 3 is a wedge-shaped structure with a larger inside and a smaller outside, and the side wall of the turning tool body 3 is a clamping inclined surface 304 that fits tightly with the tool body mounting slot 203. By setting the mounting portion of the tool body 3 to a wedge-shaped structure that is larger inside and smaller outside, the width of the wedge-shaped structure of the tool body 3 near the inner portion of the tool body mounting slot 203 is greater than the width of the other end, thereby ensuring that the tool body 3 can be clamped in the tool body mounting slot 203 after installation, and the outer cylindrical surface of the cutter head 2 can be set to a structure that matches the outer shape of the tool body 3, which can provide a reference for the grinding of the included angle when grinding the tool body 3, which is extremely convenient and practical.

[0021] The top of the cutter head 2 is provided with a top orientation groove 202, and the angle between the sharpening reference surfaces 201 is 120°. The top orientation groove 202 can realize the orientation of the cutter head 2, meeting the requirements of automatic assembly positioning of the turning tool body 3 and the cutter head 2.

[0022] Among them, a cutting edge surface 303 is integrally formed on one side wall of the turning tool body 3, and a cutting edge rear angle surface 302 is integrally formed on one side of the turning tool body 3 close to the cutting edge surface 303. The angle between the cutting edge rear angle surface 302 and the cutting edge surface 303 is between 78° and 85°, which can facilitate chip removal.

[0023] Among them, a tool body rear angle support surface 301 is integrally formed on the tool body 3 on one side of the tool body rear angle surface 302. There are two tool body rear angle support surfaces 301 and two tool body rear angle surfaces 302, and the angles between the two tool body rear angle support surfaces 301 and the two tool body rear angle surfaces 302 are both 120°. The tool body rear angle support surface 301 can support the tool body 3 to ensure its rigidity.

[0024] The bottom of the cutter head 2 is integrally formed with a stepped handle 1 , the handle 1 is made of stainless steel, and the cutter body 3 is made of diamond or diamond material to ensure the strength of the cutter body 3 .

[0025] Embodiment 1:

[0026] See also Figure 1 and Figure 2 The upper and lower ends of the tool body 3 are flush with the upper and lower end surfaces of the tool body mounting slot 203, and the contact surfaces of the tool body 3 and the tool body mounting slot 203 are coated with adhesive.

[0027] Embodiment 2:

[0028] See also Figure 3-Figure 6The upper and lower ends of the tool body 3 are sunken into the upper and lower ends of the tool body mounting slot 203. The upper and lower ends of the tool body mounting slot 203 are welded with a surfacing body 4 for fixing the cutter head 2 and the tool body 3. The wedge-shaped structure of the tool body 3 can reduce the difficulty of surfacing welding. The surfacing body 4 is ground after the tool body 3 is welded and fixed.

[0029] When in use, the tool handle 1 can be fixed on a hand-operated machine, and the turning tool can be driven to rotate by the hand-operated machine, and the required pattern can be processed on the surface of the precious metal ornaments by the turning tool body 3.

Claims

1. A precious metal cutting tool structure, comprising a tool head (2) and a tool body (3) mounted on the tool head (2), characterized in that: The upper and lower sides of the outer circumferential surface of the cutter head (2) are integrally formed with a sharpening reference surface (201); a cutter body mounting slot (203) for mounting a turning cutter body (3) is provided on one side wall of the cutter head (2); the cutter body mounting slot (203) is connected to the top and bottom of the cutter head (2); the mounting portion of the turning cutter body (3) is a wedge-shaped structure with a larger interior and a smaller exterior; and the side wall of the turning cutter body (3) is a clamping inclined surface (304) that is tightly matched with the cutter body mounting slot (203).

2. A precious metal biting knife structure according to claim 1, characterized in that: A top directional groove (202) is provided on the top of the cutter head (2), and the angle between the sharpening reference surfaces (201) is 120°.

3. A precious metal biting knife structure according to claim 1, characterized in that: A blade surface (303) is integrally formed on one side wall of the turning tool body (3), and a blade rear angle surface (302) is integrally formed on one side of the turning tool body (3) adjacent to the blade surface (303), wherein the angle between the blade rear angle surface (302) and the blade surface (303) is between 78° and 85°.

4. A precious metal biting knife structure according to claim 3, characterized in that: The tool body (3) is integrally formed with a tool body rear angle support surface (301) located on one side of the tool body rear angle surface (302), and there are two tool body rear angle support surfaces (301) and two tool body rear angle surfaces (302), and the angles between the two tool body rear angle support surfaces (301) and the two tool body rear angle surfaces (302) are both 120°.

5. A precious metal biting knife structure according to claim 1, characterized in that: A stepped handle (1) is integrally formed at the bottom of the cutter head (2).

6. A precious metal biting knife structure according to claim 1, characterized in that: The upper and lower ends of the tool body (3) are flush with the upper and lower end surfaces of the tool body mounting slot (203), and the contact surfaces of the tool body (3) and the tool body mounting slot (203) are coated with adhesive.

7. A precious metal biting knife structure according to claim 1, characterized in that: The upper and lower ends of the turning tool body (3) are both sunken into the upper and lower ends of the tool body mounting slot (203), and the upper and lower ends of the tool body mounting slot (203) are both welded with a welded body (4) for fixing the tool head (2) and the turning tool body (3).

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