CN212443290U - Chamfering tool - Google Patents
Chamfering tool Download PDFInfo
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- CN212443290U CN212443290U CN202021001418.1U CN202021001418U CN212443290U CN 212443290 U CN212443290 U CN 212443290U CN 202021001418 U CN202021001418 U CN 202021001418U CN 212443290 U CN212443290 U CN 212443290U
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- cutting
- cutter
- conical structure
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Abstract
The utility model discloses a chamfering tool, which comprises a tool handle and a tool bit; the tool bit is arranged at the end part of the tool handle, one end of the tool bit, which is far away from the tool handle, is of a conical structure, and the tip of the conical structure is far away from the tool handle; the cutter head comprises a plurality of cutting parts, the cutting parts are uniformly arranged around the peripheral surface of the conical structure, a chip removal groove is formed between every two adjacent cutting parts, the chip removal groove extends to the bottom of the conical structure from the tip of the conical structure, and the chip removal groove is a straight chip removal groove; each cutting part comprises a cutting edge and a pressing surface connected with the cutting edge, and the cutting edge is positioned on the outer surface of the conical structure and extends from the tip of the conical structure towards the direction of the tool shank; the pressing surface is located between the cutting edge and the chip groove. The utility model discloses technical scheme chamfer sword can realize the press polish effect to workpiece machining surface at high-speed operation in-process, reduces workpiece surface's roughness, improves chip removal efficiency simultaneously, has strengthened the cutter wearability, has prolonged life.
Description
Technical Field
The utility model relates to a cutter cutting process technical field, in particular to chamfer sword.
Background
The chamfering tool is a chamfering tool in hardware processing, can be used for chamfering round holes and irregular edges, is wide in application range, is suitable for chamfering of common machined parts, and is more suitable for chamfering and deburring of precise machined parts with difficult chamfering angles. In the related art, when the chamfering tool is used for chamfering or deburring, only the workpiece is cut, so that the surface of the workpiece is rough, chip removal is difficult to remove easily, the machining quality is low, the tool is abraded greatly, and the service life of the chamfering tool is shortened.
The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a chamfer sword aims at reducing workpiece surface's roughness, improves processingquality simultaneously, improves the cutter wearability, prolongs the life of cutter.
In order to achieve the purpose, the utility model provides a chamfering tool, which comprises a tool handle and a tool bit; the tool bit is arranged at the end part of the tool handle, one end of the tool bit, which is far away from the tool handle, is of a conical structure, and the tip of the conical structure is far away from the tool handle; the cutter head comprises a plurality of cutting parts, the cutting parts are uniformly arranged around the peripheral surface of the conical structure, a chip removal groove is formed between every two adjacent cutting parts, the chip removal groove extends to the bottom of the conical structure from the tip of the conical structure, and the chip removal groove is a straight chip removal groove; each cutting part comprises a cutting edge and a pressing surface connected with the cutting edge, the cutting edge is positioned on the outer surface of the conical structure and extends from the tip of the conical structure towards the direction of the tool shank; the extrusion surface is located between the cutting edge and the chip groove.
In an embodiment of the present invention, the cutting portion includes a first side wall disposed at an included angle with the extrusion surface, and the extrusion surface intersects with the first side wall to form the cutting edge; the extrusion surface is located the outer peripheral face of toper structure, and from the pointed end of toper structure towards the bottom extension setting of toper structure, first lateral wall along the radial direction of toper structure towards the center pin extension setting of toper structure.
In an embodiment of the present invention, the cutting portion further includes a second sidewall, the second sidewall extends from the tip of the conical structure toward the bottom of the conical structure and is connected to a side of the pressing surface away from the cutting edge; and one side of the second side wall, which is far away from the extrusion surface, is connected with the adjacent first side wall of the cutting part to form the chip groove.
In an embodiment of the present invention, the second sidewall and the junction of the first sidewall are rounded.
In an embodiment of the present invention, the tip of the conical structure is a plane perpendicular to the axial direction of the tool bit.
In an embodiment of the present invention, the number of the cutting portions is 2 to 20.
In an embodiment of the present invention, an included angle between a bus of the conical structure and a central axis of the conical structure is 10 ° to 70 °.
The utility model discloses an embodiment, the handle of a knife is cylindrical structure, the tool bit include with the cylinder portion of the tip fixed connection of handle of a knife, the toper structure is located the cylinder portion is kept away from one side of handle of a knife, the tool bit with the coaxial setting of handle of a knife.
In an embodiment of the present invention, the outer diameter of the cylindrical portion is smaller than or equal to the outer diameter of the tool shank.
In an embodiment of the present invention, the tool bit has a polycrystalline diamond structure; and/or the knife handle is of a tungsten steel structure.
The utility model discloses technical scheme tool bit locates the tip of handle of a knife, and the one end that the handle of a knife was kept away from to the tool bit is the toper structure, and the most advanced of toper structure is kept away from the handle of a knife and is set up, and the tool bit includes a plurality of cutting portions, and a plurality of cutting portions evenly set up around the outer peripheral face of toper structure, and cutting portion includes cutting edge and the compressive plane of being connected with the cutting edge, and the cutting edge is located the surface of toper structure for the cutting edge atress is balanced in the course of; the chip groove has between two adjacent cutting portions, this chip groove extends to the bottom of toper structure from the pointed end of toper structure, and the chip groove is straight chip groove, the compressive plane is located between cutting edge and the chip groove, make the cutter at high-speed operation in-process, after the cutting edge cut work piece, the compressive plane can extrude the machined surface of work piece, in order to form the press polish effect, reduce the roughness on workpiece surface, the sweeps can be discharged from the chip groove more fast simultaneously, improve chip removal efficiency, cutter wearability has been strengthened, and service life is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of the chamfer cutter of the present invention;
FIG. 2 is a schematic structural diagram of a tool bit according to an embodiment of the present invention;
fig. 3 is a schematic structural view of another embodiment of the chamfer tool of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Knife |
200 | |
| 201 | |
210 | |
| 211 | |
212 | |
| 213 | |
214 | |
| 220 | |
230 | Cylindrical part |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a chamfer sword.
In the embodiment of the present invention, as shown in fig. 1, 2 and 3, the chamfer cutter includes a cutter handle 100 and a cutter head 200; the tool bit 200 is arranged at the end part of the tool handle 100, one end of the tool bit 200, which is far away from the tool handle 100, is a conical structure 201, and the tip of the conical structure 201 is arranged far away from the tool handle 100; the tool bit 200 comprises a plurality of cutting parts 210, the plurality of cutting parts 210 are uniformly arranged around the outer circumferential surface of the conical structure 201, a chip groove 220 is arranged between every two adjacent cutting parts 210, the chip groove 220 extends from the tip of the conical structure 201 to the bottom of the conical structure 201, and the chip groove 220 is a straight chip groove; the cutting part 210 comprises a cutting edge 211 and a pressing surface 212 connected with the cutting edge 211, the cutting edge 211 is positioned on the outer surface of the conical structure 201, and extends from the tip of the conical structure 201 to the direction of the tool holder 100; the pressing surface 212 is located between the cutting edge 211 and the flute 220.
The tip of handle of a knife 100 is located to tool bit 200, the one end that handle of a knife 100 was kept away from to tool bit 200 is toper structure 201, the most advanced handle of a knife 100 that keeps away from of toper structure 201 sets up, a plurality of cutting portions 210 evenly set up around the outer peripheral face of this toper structure 201, cutting portion 210 includes cutting edge 211, cutting edge 211 extends from the most advanced direction towards handle of a knife 100 of toper structure 201, handle of a knife 100 high-speed rotation drives tool bit 200 high-speed rotatory, cutting edge 211 rotates in order to contact with the work piece, carry out chamfer or burring processing, simultaneously in tool bit 200 operation process, cutting edge 211 is after the cutting work piece, the extrusion face 212 can extrude the action to the work piece surface simultaneously, so that the surface of work piece reaches the effect of calendering. Have chip groove 220 between two adjacent cutting portions 210, chip groove 220 extends to the bottom of toper structure 201 from the pointed end of toper structure 201 for the sweeps that this chamfer sword produced in the in-process of processing can be followed chip groove 220 and discharged, simultaneously because chip groove 220 is the straight chip groove, plays the guide effect to the sweeps, makes the sweeps discharge that can be more quick, reaches quick chip removal, improves the cutter wearability, the effect of the life of extension cutter.
It can be understood that the number of the cutting edges 211 on each cutting portion 210 can be determined according to actual situations, and if each cutting portion 210 correspondingly comprises one cutting edge 211, the cutting edge 211 is driven to rotate towards the workpiece when the tool tip 200 rotates during the machining process, so as to machine the workpiece; if each cutting edge 210 includes two or three cutting edges 211, the cutting head 200 can rotate forward or backward as the case may be, during the machining process to ensure that there are cutting edges 211 cutting in contact with the workpiece. Optionally, each cutting edge 211 corresponds to a pressing surface 212, so that the pressing surface 212 can press the processed surface of the workpiece while the cutting edge 211 cuts the workpiece, so as to achieve a better light compression effect.
The specific number of the cutting portions 210 can be determined according to practical situations, and is mainly determined according to the size of the tool bit 200 and the cutting strength, and optionally, the number of the cutting portions 210 can be 2 to 20, such as 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 or 12.
In practical application, the tool bit 200 and the tool holder 100 may be integrated or separated, and in the case of the separated structure, the tool bit 200 and the tool holder are fixed by brazing. Optionally, handle of a knife 100 chooses the tungsten steel material for use, and tool bit 200 chooses superhard materials or superhard composite materials such as CBN (Cubic Boron Nitride), PCBN (Polycrystalline Cubic Boron Nitride), PCD (Polycrystalline diamond), MCD (monocrystalline diamond), etc. for use, tool bit 200 preferably adopts Polycrystalline diamond material to make to improve the wearability of cutter, increase of service life.
The utility model discloses technical scheme tool bit 200 locates the tip of handle of a knife 100, the one end that tool bit 200 kept away from handle of a knife 100 is toper structure 201, the most advanced of toper structure 201 is kept away from handle of a knife 100 and is set up, tool bit 200 includes a plurality of cutting portions 210, a plurality of cutting portions 210 evenly set up around the outer peripheral face of toper structure 201, cutting portion 210 includes cutting edge 211 and the face of extrusion 212 of being connected with cutting edge 211, cutting edge 211 is located the surface of toper structure, make cutting edge 211 atress balanced in the course of working, the cutting process is more stable; the chip removal groove 220 is formed between every two adjacent cutting portions 210, the chip removal groove 220 extends to the bottom of the conical structure 201 from the tip of the conical structure 201, the chip removal groove 220 is a straight chip removal groove, and the extrusion surface 212 is located between the cutting edge 211 and the chip removal groove 220, so that in the process of high-speed rotation of the chamfering tool, after the cutting edge 211 cuts a workpiece, the extrusion surface 212 can extrude the processing surface of the workpiece to form a calendaring effect, the roughness of the surface of the workpiece is reduced, meanwhile, scraps can be discharged from the chip removal groove 220 more quickly, the chip removal efficiency is improved, the wear resistance of the tool is enhanced, and the service life is prolonged.
In an embodiment of the present invention, referring to fig. 1 and 2, the cutting portion 210 includes a first sidewall 213 disposed at an included angle with the pressing surface 212, and the pressing surface 212 intersects with the first sidewall 213 to form the cutting edge 211; the pressing surface 212 is located on the outer peripheral surface of the conical structure 201 and extends from the tip of the conical structure 201 to the bottom of the conical structure 201, so that after the cutting edge 211 cuts the surface of the workpiece, the pressing surface 212 can press the cut surface of the workpiece, and the effect of reducing the surface roughness of the workpiece is achieved. The first sidewall 213 extends toward the central axis of the conical structure 201 along the radial direction of the conical structure 201. The extrusion surface 212 is located on the outer peripheral surface of the conical structure 201, the tip of the conical structure 201 extends towards the bottom of the conical structure 201, and the first side wall 213 is arranged along the radial direction of the conical structure 201, so that the extrusion surface 212 intersects with the first side wall 213 to form a cutting edge 211, the cutting edge 211 is a straight edge, and in the high-speed rotation process of the tool bit 200, the cutting edge 211 and a workpiece are driven to perform cutting processing, and workpiece scraps are discharged from the scrap discharge groove 220.
In an embodiment of the present invention, referring to fig. 1 to 3, the cutting portion 210 further includes a second side wall 214, the second side wall 214 is extended from the tip of the conical structure 201 toward the bottom of the conical structure 201, and is connected to a side of the pressing surface 212 away from the cutting edge 211; the side of the second side wall 214 remote from the pressing surface 212 is connected to the adjacent first side wall 213 of the cutting portion 210 to form the chip groove 220. The second side wall 214 extends from the tip of the conical structure 201 to the bottom of the conical structure 201, and is connected with the first side wall 213 to form a chip discharge groove 220, and the side of the first side wall 213 away from the second side wall 214 is a cutting edge 211, so that waste chips cut by the cutting edge 211 directly fall into the chip discharge groove 220, and the chip discharge speed of the chip discharge groove 220 is increased.
In an embodiment of the present invention, the junction of the second sidewall 214 and the first sidewall 213 is rounded. At the moment, the groove bottom of the chip removal groove 220 is of an arc-shaped structure, so that the chip removal groove plays a role in guiding the scraps and further accelerates the chip removal efficiency.
In an embodiment of the present invention, referring to fig. 1 to 3, the tip of the conical structure 201 is a plane perpendicular to the axial direction of the tool bit 200. When a workpiece is machined, the cutting point is not at the tool tip of the chamfering tool, so that the phenomenon that the tool tip is cracked is avoided, and the machining quality and the machining efficiency are improved.
In an embodiment of the present invention, referring to fig. 2, an included angle between a bus of the tapered structure 201 and a central axis of the tapered structure 201 is 10 ° to 70 °, so that the tapered structure 201 can smoothly extend into the hole for processing, optionally, an inclination angle of an outer surface of the tapered structure 201 relative to the central axis is 10 ° to 70 °, and in an actual application process, the included angle is 10 °, 20 °, 30 °, 40 °, 50 °, 60 ° or 70 °, and in this embodiment, 30 ° is preferred.
In an embodiment of the present invention, referring to fig. 2 and 3, the handle 100 is a cylindrical structure, the tool bit 200 includes a cylindrical portion 230 fixedly connected to the end of the handle 100, the tapered structure 201 is disposed on one side of the handle 100 away from the cylindrical portion 230, and the tool bit 200 is coaxial with the handle 100. One end of the knife handle 100, which is far away from the tool bit 200, is used for being installed on a machining machine table, and the machine table drives the knife handle 100 to rotate so as to drive the tool bit 200 to rotate. Handle of a knife 100 is cylindrical structure, and tool bit 200 passes through cylinder portion 230 and handle of a knife 100 fixed connection, and handle of a knife 100 sets up with tool bit 200 is coaxial for the connection between tool bit 200 and the handle of a knife 100 is more firm.
In an embodiment of the present invention, referring to fig. 1 and 3, the outer diameter of the cylindrical portion 230 is smaller than or equal to the outer diameter of the tool shank 100. The relationship between the outer diameter of the cylindrical portion 230 and the outer diameter of the tool holder 100 may be determined according to actual circumstances, and the outer diameter of the cylindrical portion 230 may be larger than the outer diameter of the tool holder 100, may be equal to the outer diameter of the tool holder 100, or may be smaller than the outer diameter of the tool holder 100. In this embodiment, the outer diameter of the cylindrical portion 230 is preferably smaller than or equal to the outer diameter of the tool holder 100 so as to be able to protrude into the hole.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A chamfer cutter, comprising:
a knife handle; and
the cutter head is arranged at the end part of the cutter handle, one end of the cutter head, which is far away from the cutter handle, is of a conical structure, and the tip of the conical structure is far away from the cutter handle;
the cutter head comprises a plurality of cutting parts, the cutting parts are uniformly arranged around the peripheral surface of the conical structure, a chip removal groove is formed between every two adjacent cutting parts, the chip removal groove extends to the bottom of the conical structure from the tip of the conical structure, and the chip removal groove is a straight chip removal groove;
each cutting part comprises a cutting edge and a pressing surface connected with the cutting edge, the cutting edge is positioned on the outer surface of the conical structure and extends from the tip of the conical structure towards the direction of the tool shank; the extrusion surface is located between the cutting edge and the chip groove.
2. The chamfer cutter according to claim 1, wherein the cutting portion comprises a first side wall disposed at an included angle to the pressing surface, the pressing surface intersecting the first side wall to form the cutting edge; the extrusion surface is located the outer peripheral face of toper structure, and from the pointed end of toper structure towards the bottom extension setting of toper structure, first lateral wall along the radial direction of toper structure towards the center pin extension setting of toper structure.
3. The chamfer cutter of claim 2, wherein the cutting portion further comprises a second sidewall extending from the tip of the conical structure toward the base of the conical structure and connected to a side of the pressing surface remote from the cutting edge; and one side of the second side wall, which is far away from the extrusion surface, is connected with the adjacent first side wall of the cutting part to form the chip groove.
4. The chamfer cutter of claim 3, wherein the junction of the second sidewall and the first sidewall is rounded.
5. The chamfer cutter according to any one of claims 1 to 4, wherein the tip of said tapered structure is a flat surface perpendicular to the axial direction of said cutter head.
6. The chamfer cutter according to any one of claims 1 to 4, wherein the number of the cutting portions is 2 to 20.
7. The chamfer cutter according to any one of claims 1 to 4, wherein the included angle between the generatrix of the tapered structure and the central axis of the tapered structure is 10 ° to 70 °.
8. The chamfer cutter according to any one of claims 1 to 4, wherein the cutter shank is a cylindrical structure, the cutter head comprises a cylindrical part fixedly connected with the end part of the cutter shank, the tapered structure is arranged on one side of the cylindrical part far away from the cutter shank, and the cutter head and the cutter shank are coaxially arranged.
9. The chamfer cutter of claim 8, wherein the outer diameter of the cylindrical portion is less than or equal to the outer diameter of the shank.
10. The chamfer cutter of claim 8, wherein the cutting tip is a polycrystalline diamond structure; and/or the knife handle is of a tungsten steel structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021001418.1U CN212443290U (en) | 2020-06-03 | 2020-06-03 | Chamfering tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021001418.1U CN212443290U (en) | 2020-06-03 | 2020-06-03 | Chamfering tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212443290U true CN212443290U (en) | 2021-02-02 |
Family
ID=74477690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021001418.1U Active CN212443290U (en) | 2020-06-03 | 2020-06-03 | Chamfering tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212443290U (en) |
-
2020
- 2020-06-03 CN CN202021001418.1U patent/CN212443290U/en active Active
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