CN212239332U - Single-edge highlight chamfering tool - Google Patents
Single-edge highlight chamfering tool Download PDFInfo
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- CN212239332U CN212239332U CN201922489205.1U CN201922489205U CN212239332U CN 212239332 U CN212239332 U CN 212239332U CN 201922489205 U CN201922489205 U CN 201922489205U CN 212239332 U CN212239332 U CN 212239332U
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Abstract
The utility model relates to a cutter design field, concretely relates to single-edged highlight chamfer sword. The single-edge highlight chamfering tool comprises a cylindrical metal handle part and a fan-shaped cutting part; the fan-shaped cutting part is arranged at the upper end of the cylindrical metal handle part, and the arc-shaped part of the fan-shaped cutting part is attached to the outer edge of the cylindrical metal handle part; the upper end of the fan-shaped cutting part is provided with a first cutting surface, a second cutting surface and a third cutting surface; the first cutting surface, the second cutting surface and the third cutting surface are mutually spliced to form the upper end surface of the fan-shaped cutting part; the first cutting surface is level with the upper end surface of the cylindrical metal handle part; the second cutting surface and the third cutting surface are inclined downward based on the first cutting surface, and constitute a sector of the sector-shaped cutting portion.
Description
Technical Field
The utility model relates to a cutter design field, concretely relates to single-edged highlight chamfer sword.
Background
The chamfering tool is an important component of a cutter for machining and is mainly used for chamfering holes of holes. The processing of the metal frame of the fingerprint identification key on the mobile phone plays an important role in the processing of mobile phone parts.
The existing highlight chamfer cutter is mostly processed by traditional double-edge, unnecessary cutter marks can be generated during processing, meanwhile, the cutter edge is easy to break, and the service life is short.
Therefore, it is necessary to provide a technical means to solve the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
A single-edge high-gloss chamfering tool comprises a cylindrical metal handle part and a fan-shaped cutting part; the fan-shaped cutting part is arranged at the upper end of the cylindrical metal handle part, and the arc-shaped part of the fan-shaped cutting part is attached to the outer edge of the cylindrical metal handle part; the upper end of the fan-shaped cutting part is provided with a first cutting surface, a second cutting surface and a third cutting surface; the first cutting surface, the second cutting surface and the third cutting surface are mutually spliced to form the upper end surface of the fan-shaped cutting part; the first cutting surface is level with the upper end surface of the cylindrical metal handle part; the second cutting surface and the third cutting surface are inclined downward based on the first cutting surface and form a sector of the sector cutting portion;
wherein the included angle between the second cutting surface and the central axis of the cylindrical metal handle is 74-75 degrees; the diameter of the cylindrical metal handle is 12 mm; the distance between the first cutting surface and the upper end surface of the cylindrical metal handle is 2.8 mm; the length of the second cutting surface projected on the upper end face of the cylindrical metal shank is 2.1 mm.
More specifically, one end of the second cutting surface, which is far away from the first cutting surface, is inclined downwards by 0.57 mm.
More specifically, the second cutting surface is at an angle of 74.75 degrees to the central axis of the cylindrical metal shank.
More specifically, the surface finish of the cylindrical metal shank is 0.2 um.
More specifically, the lower terminal surface of cylinder metal stalk portion is equipped with the chamfer.
More specifically, the total length of the single-edge highlight chamfering tool is 50 mm.
More specifically, the area of the third cutting surface is larger than the area of the second cutting surface.
More specifically, two side portions of the sector cutting portion are a first side portion and a second side portion respectively; the first side portion and the second side portion are perpendicular to an upper end surface of the cylindrical metal shank, an upper end of the first side portion is connected with the first cutting surface and the second cutting surface, and an upper end of the second side portion is connected with the first cutting surface and the third cutting surface; the second side portion comprises an upper side face and a lower side face, the upper side face is arranged above the lower side face, and a groove portion is formed between the upper side face and the lower side face.
The utility model relates to a single-blade highlight chamfer sword through adopting the processing of the many relief angles of single-blade, has avoided treating the problem that the part produced the sword line, and through the setting of first cutting face, second cutting face, third cutting face, first side and second lateral part, makes the cutting process more smooth, can prevent effectively that the cutting edge from splitting, and then the effectual life that improves.
Drawings
Fig. 1 is an overall schematic view of a single-edge high-gloss chamfering tool according to the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
fig. 3 is an overall schematic view of the single-edge high-gloss chamfering tool with another simplified angle according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
A single-edge high-gloss chamfer cutter comprises a cylindrical metal handle part 1 and a fan-shaped cutting part 2; the fan-shaped cutting part 2 is arranged at the upper end of the cylindrical metal handle part 1, and the arc-shaped part of the fan-shaped cutting part 2 is attached to the outer edge of the cylindrical metal handle part 1; the upper end of the fan-shaped cutting part 2 is provided with a first cutting surface 21, a second cutting surface 22 and a third cutting surface 23; the first cutting surface 21, the second cutting surface 22 and the third cutting surface 23 are spliced with each other to form an upper end surface of the sector-shaped cutting part 2; the first cutting surface 21 is flush with the upper end surface of the cylindrical metal shank 2; the second cutting surface 22 and the third cutting surface 23 are inclined downward based on the first cutting surface 21 and constitute a sector of the sector-shaped cutting portion 2;
wherein the angle α between the second cutting face 22 and the central axis 12 of the cylindrical metal shank 1 is 74-75 degrees; the diameter of the cylindrical metal handle is 12 mm; the distance between the first cutting surface 21 and the upper end surface of the cylindrical metal handle 1 is 2.8 mm; the length of the second cutting surface 22 projected onto the upper end face of the cylindrical metal shank 1 is 2.1 mm.
More specifically, the end of the second cutting surface 22 away from the first cutting surface 21 is inclined downward by 0.57 mm.
More specifically, the angle α between the second cutting surface 22 and the central axis 12 of the cylindrical metal shank 2 is 74.75 degrees.
More specifically, the surface finish of the cylindrical metal handle 1 is 0.2 um.
More specifically, the lower end surface of the cylindrical metal handle part 1 is provided with a chamfer 11.
More specifically, the total length of the single-edge highlight chamfering tool is 50 mm.
More specifically, the area of the third cutting surface 23 is larger than the area of the second cutting surface 22.
More specifically, two side portions of the sector cutting portion 2 are a first side portion 24 and a second side portion respectively; the first side portion 24 and the second side portion are perpendicular to the upper end surface of the cylindrical metal shank 1, the upper end of the first side portion is connected to the first cutting surface 21 and the second cutting surface 22, and the upper end of the second side portion is connected to the first cutting surface 21 and the third cutting surface 23; the second side portion includes an upper side 25 and a lower side 26, the upper side 25 is disposed above the lower side 26, and a groove portion 27 is disposed between the upper side 25 and the lower side 26.
The utility model relates to a single-edge highlight chamfer sword through adopting the processing of the many relief angles of single-edge, has avoided treating the problem that the part produced the sword line, and through the setting of first cutting face 21, second cutting face 22, third cutting face 23, first lateral part and second lateral part, makes the cutting process more smooth, can prevent effectively that the cutting edge from splitting, and then the effectual life that improves.
The above description is only for the preferred embodiment of the present invention, and the structure is not limited to the above-mentioned shape, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a single-edged highlight chamfer sword which characterized in that: the single-edge highlight chamfering tool comprises a cylindrical metal handle part and a fan-shaped cutting part; the fan-shaped cutting part is arranged at the upper end of the cylindrical metal handle part, and the arc-shaped part of the fan-shaped cutting part is attached to the outer edge of the cylindrical metal handle part; the upper end of the fan-shaped cutting part is provided with a first cutting surface, a second cutting surface and a third cutting surface; the first cutting surface, the second cutting surface and the third cutting surface are mutually spliced to form the upper end surface of the fan-shaped cutting part; the first cutting surface is level with the upper end surface of the cylindrical metal handle part; the second cutting surface and the third cutting surface are inclined downward based on the first cutting surface and form a sector of the sector cutting portion;
wherein the included angle between the second cutting surface and the central axis of the cylindrical metal handle is 74-75 degrees; the diameter of the cylindrical metal handle is 12 mm; the distance between the first cutting surface and the upper end surface of the cylindrical metal handle is 2.8 mm; the length of the projection of the second cutting surface on the upper end surface of the cylindrical metal handle is 2.1 mm;
the two side parts of the fan-shaped cutting part are respectively a first side part and a second side part; the first side portion and the second side portion are perpendicular to an upper end surface of the cylindrical metal shank, an upper end of the first side portion is connected with the first cutting surface and the second cutting surface, and an upper end of the second side portion is connected with the first cutting surface and the third cutting surface; the second side portion comprises an upper side face and a lower side face, the upper side face is arranged above the lower side face, and a groove portion is formed between the upper side face and the lower side face.
2. The single-edged high-gloss chamfer cutter according to claim 1, wherein: the end of the second cutting surface far away from the first cutting surface is inclined downwards by 0.57 mm.
3. The single-edged high-gloss chamfer cutter according to claim 1, wherein: the angle between the second cutting face and the central axis of the cylindrical metal shank is 74.75 degrees.
4. The single-edged high-gloss chamfer cutter according to claim 1, wherein: the surface finish of the cylindrical metal handle is 0.2 um.
5. The single-edged high-gloss chamfer cutter according to claim 1, wherein: and a chamfer is arranged on the lower end face of the cylindrical metal handle part.
6. The single-edged high-gloss chamfer cutter according to claim 1, wherein: the total length of the single-edge highlight chamfering tool is 50 mm.
7. The single-edged high-gloss chamfer cutter according to claim 1, wherein: the area of the third cutting face is greater than the area of the second cutting face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922489205.1U CN212239332U (en) | 2019-12-31 | 2019-12-31 | Single-edge highlight chamfering tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922489205.1U CN212239332U (en) | 2019-12-31 | 2019-12-31 | Single-edge highlight chamfering tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212239332U true CN212239332U (en) | 2020-12-29 |
Family
ID=73971779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922489205.1U Active CN212239332U (en) | 2019-12-31 | 2019-12-31 | Single-edge highlight chamfering tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212239332U (en) |
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2019
- 2019-12-31 CN CN201922489205.1U patent/CN212239332U/en active Active
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