CN219818069U - Double-chamfering tool - Google Patents
Double-chamfering tool Download PDFInfo
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- CN219818069U CN219818069U CN202320973310.6U CN202320973310U CN219818069U CN 219818069 U CN219818069 U CN 219818069U CN 202320973310 U CN202320973310 U CN 202320973310U CN 219818069 U CN219818069 U CN 219818069U
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- inclined part
- cutter
- chamfer
- cutting surface
- workpiece
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- 238000000034 method Methods 0.000 abstract description 4
- 230000009977 dual effect Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of cutters, in particular to a double-chamfer cutter, which comprises a cutter handle and a cutter head connected with the cutter handle; the tool bit is provided with a plurality of blades; the blades are rotationally symmetrically arranged along the center of the cutter head; each blade includes a planar portion; the top end of the plane part is provided with a first inclined part in an upward inclined way; the bottom end of the plane part is provided with a second inclined part in a downward inclined way; a first cutting surface is arranged on one side of the plane part, one side of the first inclined part and one side of the second inclined part; the other side of the plane part, the other side of the first inclined part and the other side of the second inclined part are provided with second cutting surfaces. According to the utility model, the first chamfer is arranged at the top of the tool bit, and the second chamfer is arranged at the bottom of the tool bit, so that the bottom of the workpiece and the bottom of the workpiece can be subjected to chamfering treatment respectively, the tool bit is not required to be replaced in the process, and the workpiece can be subjected to rapid chamfering treatment.
Description
Technical Field
The utility model relates to the technical field of cutters, in particular to a double-chamfer cutter.
Background
In machining, a tool is driven to rotate by a machine tool to machine a workpiece, for example, by cutting, turning a hole, chamfering, or the like.
For some workpieces, the top of the workpiece and the bottom of the workpiece need to be chamfered, and because the positions of the top and the bottom of the workpiece are different, when the top of the workpiece needs to be chamfered, the cutter needs to be attached to the top of the workpiece, and when the bottom of the workpiece needs to be chamfered, the cutter needs to be attached to the bottom of the workpiece, so that the cutter needs to adopt different structures to chamfer the top and the bottom of the workpiece, and the bottom of the workpiece needs to be chamfered after the chamfering of the top of the workpiece is finished in the traditional mode, and the bottom of the workpiece is chamfered after the cutter is replaced, so that the workload is increased and the labor cost is wasted.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a double-chamfering tool which can quickly chamfer a workpiece.
The aim of the utility model is achieved by the following technical scheme: a double-chamfer cutter comprises a cutter handle and a cutter head connected with the cutter handle; the tool bit is provided with a plurality of blades; the blades are rotationally symmetrically arranged along the center of the cutter head;
each blade includes a planar portion; the top end of the plane part is provided with a first inclined part in an upward inclined way; the bottom end of the plane part is provided with a second inclined part in a downward inclined way; a first cutting surface is arranged on one side of the plane part, one side of the first inclined part and one side of the second inclined part; the other side of the plane part, the other side of the first inclined part and the other side of the second inclined part are provided with second cutting surfaces.
The utility model is further provided that a third inclined part is obliquely arranged on the top end of the first inclined part; a fourth inclined part is arranged at the bottom end of the second inclined part in a downward inclined way; a first chamfer is formed between the first inclined part and the third inclined part; a second chamfer is formed between the second inclined part and the fourth inclined part;
the first cutting surface is formed on one side of the plane part, one side of the first inclined part, one side of the second inclined part, one side of the third inclined part and one side of the fourth inclined part; the second cutting surface is formed on the other side of the plane part, the other side of the first inclined part, the other side of the second inclined part, the other side of the third inclined part and the other side of the fourth inclined part.
The utility model is further arranged that the top of the cutter head is provided with a cutter bar; the cutter bar is connected with the bottom of the cutter handle.
The utility model is further arranged that the cutter bar is provided with a guide groove between two adjacent blades; the guide groove is arranged between the first cutting surface and the second cutting surface of the two adjacent blades.
The utility model further provides that the guide groove is provided with an arc-shaped surface at one side close to the first cutting surface.
The utility model further provides that the cutter bar is movably and telescopically arranged in the cutter handle.
The utility model is further arranged such that the angles of adjacent two blades are the same.
The utility model is further arranged such that the number of blades is four.
The utility model further provides that the bottom of the cutter head is of a plane structure.
The utility model has the beneficial effects that: according to the utility model, the first chamfer is arranged at the top of the tool bit, and the second chamfer is arranged at the bottom of the tool bit, so that the bottom of the workpiece and the bottom of the workpiece can be subjected to chamfering treatment respectively, the tool bit is not required to be replaced in the process, and the workpiece can be subjected to rapid chamfering treatment.
Drawings
The utility model will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the utility model, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of part of the portion A of FIG. 1;
FIG. 3 is a schematic view of another view of the present utility model;
FIG. 4 is a cross-sectional view of the present utility model;
wherein: 1. a knife handle; 21. a cutter head; 22. a blade; 3. a planar portion; 31. a first inclined portion; 32. a second inclined portion; 33. a third inclined portion; 34. a fourth inclined portion; 41. a first cutting surface; 42. a second cut surface; 51. a first chamfer; 52. a second chamfer; 6. a cutter bar; 61. a guide groove; 62. an arc surface.
Detailed Description
The utility model will be further described with reference to the following examples.
As can be seen from fig. 1 to 4, the dual chamfer tool according to the present embodiment includes a tool shank 1 and a tool bit 21 connected to the tool shank 1; the cutter head 21 is provided with a plurality of blades 22; the plurality of blades 22 are rotationally symmetrically arranged along the center of the cutter head 21;
each blade 22 includes a planar portion 3; the top end of the plane part 3 is provided with a first inclined part 31 in an upward inclined manner; the bottom end of the plane part 3 is provided with a second inclined part 32 in a downward inclined manner; a first cutting surface 41 is provided on one side of the planar portion 3, one side of the first inclined portion 31, and one side of the second inclined portion 32; the other side of the planar portion 3, the other side of the first inclined portion 31, and the other side of the second inclined portion 32 are provided with second cut surfaces 42.
Specifically, when the double-chamfering tool disclosed by the embodiment is used, the tool shank 1 is connected with an external machine tool, and the external machine tool drives the tool shank 1 and the tool bit 21 to rotate, so that the workpiece is subjected to chamfering; in the embodiment, the first inclined part 31 is arranged at the top end of the plane part 3 of the blade 22, the second inclined part 32 is arranged at the bottom end of the plane part 3 of the blade 22, and when the second inclined part 32 of the tool bit 21 is placed at the top of a workpiece, an external machine tool is started to enable the tool shank 1 and the tool bit 21 to rotate, namely, an inclined surface can be cut out of the top of the workpiece through the first cutting surface 41 or the second cutting surface 42; when the first inclined portion 31 of the tool bit 21 is placed at the bottom of the work piece, the external machine tool is started to enable the tool shank 1 and the tool bit 21 to rotate, that is, the inclined surface can be cut out of the bottom of the work piece through the first cutting surface 41 or the second cutting surface 42, and the tool bit 21 does not need to be replaced in the process, so that the work piece can be subjected to rapid chamfering.
In the double chamfering tool according to the present embodiment, the top end of the first inclined portion 31 is provided with a third inclined portion 33 in an inclined manner; the bottom end of the second inclined part 32 is provided with a fourth inclined part 34 in a downward inclined manner; a first chamfer 51 is formed between the first inclined portion 31 and the third inclined portion 33; a second chamfer 52 is formed between the second inclined portion 32 and the fourth inclined portion 34; the first chamfer 51 and the second chamfer 52 are both smooth, so that a smooth arc surface is formed between the first inclined portion 31 and the third inclined portion 33, and a smooth arc surface is formed between the second inclined portion 32 and the fourth inclined portion 34.
The first cutting surface 41 is formed on one side of the planar portion 3, one side of the first inclined portion 31, one side of the second inclined portion 32, one side of the third inclined portion 33, and one side of the fourth inclined portion 34; the second cutting surface 42 is formed on the other side of the plane part 3, the other side of the first inclined part 31, the other side of the second inclined part 32, the other side of the third inclined part 33, and the other side of the fourth inclined part 34.
Specifically, when the double-chamfering tool disclosed by the embodiment is used, the tool shank 1 is connected with an external machine tool, and the external machine tool drives the tool shank 1 and the tool bit 21 to rotate, so that the workpiece is subjected to chamfering; in the embodiment, the first inclined part 31 and the third inclined surface are arranged at the top end of the plane part 3 of the blade 22, and the second inclined part 32 and the fourth inclined part 34 are arranged at the bottom end of the plane part 3 of the blade 22, when the second inclined part 32 and the fourth inclined part 34 of the tool bit 21 are placed at the top of a workpiece, an external machine tool is started to enable the tool shank 1 and the tool bit 21 to rotate, so that an upper chamfer can be cut on the top of the workpiece through the first cutting surface 41 or the second cutting surface 42; when the first inclined part 31 and the third inclined part 33 of the tool bit 21 are placed at the bottom of the workpiece, the external machine tool is started to enable the tool shank 1 and the tool bit 21 to rotate, namely, the bottom of the workpiece can be cut to be chamfered through the first cutting surface 41 or the second cutting surface 42, and the process can quickly chamfer the workpiece without replacing the tool bit 21.
In the double-chamfer cutter of the embodiment, the top of the cutter head 21 is provided with a cutter bar 6; the cutter bar 6 is connected with the bottom of the cutter handle 1. Through the arrangement, the distance between the cutter head 21 and the cutter handle 1 can be increased, and the stability and safety of the double-chamfer cutter can be enhanced.
In the double chamfering tool according to the present embodiment, the cutter bar 6 is provided with a guide groove 61 between two adjacent blades 22; the guide grooves 61 are provided between the first cutting surface 41 and the second cutting surface 42 of the adjacent two blades 22. Through the above arrangement, when chamfering is performed on the workpiece, the scrap can fall off from the guide groove 61, preventing the damage to the cutter caused by the accumulation of the scrap.
In the dual chamfer tool of the present embodiment, the guide groove 61 is provided with an arc surface 62 at a side close to the first cutting surface 41. Through the arrangement, the waste material can be effectively guided.
In the double-chamfer cutter of the embodiment, the cutter bar 6 is movably and telescopically arranged in the cutter handle 1. The position of the cutter head 21 can be finely adjusted by the above arrangement.
In the double chamfer tool of the present embodiment, the angles of two adjacent blades 22 are the same. Through the arrangement, the double-chamfering tool can machine smooth chamfer angles on a workpiece.
In the dual chamfer tool of the present embodiment, the number of the inserts 22 is four. Through the arrangement, the double-chamfering tool is stable in structure, and smooth chamfers can be machined on the workpiece.
In the dual chamfer cutter according to the present embodiment, the bottom of the cutter head 21 has a planar structure. The stability of the double-chamfering tool can be enhanced through the arrangement.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (9)
1. A double chamfer cutter, its characterized in that: comprises a knife handle (1) and a knife head (21) connected with the knife handle (1); the cutter head (21) is provided with a plurality of blades (22); the plurality of blades (22) are rotationally symmetrically arranged along the center of the cutter head (21);
each blade (22) comprises a planar portion (3); the top end of the plane part (3) is provided with a first inclined part (31) in an upward inclined way; the bottom end of the plane part (3) is provided with a second inclined part (32) in a downward inclined way; a first cutting surface (41) is arranged on one side of the plane part (3), one side of the first inclined part (31) and one side of the second inclined part (32); the other side of the plane part (3), the other side of the first inclined part (31) and the other side of the second inclined part (32) are provided with second cutting surfaces (42).
2. A double chamfer tool according to claim 1, wherein: a third inclined part (33) is obliquely arranged on the top end of the first inclined part (31); a fourth inclined part (34) is arranged at the bottom end of the second inclined part (32) in a downward inclined way; a first chamfer (51) is formed between the first inclined part (31) and the third inclined part (33); a second chamfer (52) is formed between the second inclined part (32) and the fourth inclined part (34);
the first cutting surface (41) is formed on one side of the planar portion (3), one side of the first inclined portion (31), one side of the second inclined portion (32), one side of the third inclined portion (33), and one side of the fourth inclined portion (34); the second cutting surface (42) is formed on the other side of the plane part (3), the other side of the first inclined part (31), the other side of the second inclined part (32), the other side of the third inclined part (33), and the other side of the fourth inclined part (34).
3. A double chamfer tool according to claim 1, wherein: the top of the cutter head (21) is provided with a cutter bar (6); the cutter bar (6) is connected with the bottom of the cutter handle (1).
4. A double chamfer tool according to claim 3, wherein: the cutter bar (6) is provided with a guide groove (61) between two adjacent blades (22); the guide groove (61) is arranged between the first cutting surface (41) and the second cutting surface (42) of the two adjacent blades (22).
5. A double chamfer tool as in claim 4 wherein: the guide groove (61) is provided with an arc-shaped surface (62) on one side close to the first cutting surface (41).
6. A double chamfer tool according to claim 3, wherein: the cutter bar (6) is movably and telescopically arranged in the cutter handle (1).
7. A double chamfer tool according to claim 1, wherein: the angles of two adjacent blades (22) are the same.
8. A double chamfer tool according to claim 1, wherein: the number of blades (22) is four.
9. A double chamfer tool according to claim 1, wherein: the bottom of the cutter head (21) is of a plane structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320973310.6U CN219818069U (en) | 2023-04-25 | 2023-04-25 | Double-chamfering tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320973310.6U CN219818069U (en) | 2023-04-25 | 2023-04-25 | Double-chamfering tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219818069U true CN219818069U (en) | 2023-10-13 |
Family
ID=88249831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320973310.6U Active CN219818069U (en) | 2023-04-25 | 2023-04-25 | Double-chamfering tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219818069U (en) |
-
2023
- 2023-04-25 CN CN202320973310.6U patent/CN219818069U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Tingcheng Inventor after: Qiu Boqi Inventor before: Liu Yancheng Inventor before: Qiu Boqi |
|
| CB03 | Change of inventor or designer information |