CN216398052U - Polycrystalline cubic boron nitride composite sheet - Google Patents
Polycrystalline cubic boron nitride composite sheet Download PDFInfo
- Publication number
- CN216398052U CN216398052U CN202123126119.8U CN202123126119U CN216398052U CN 216398052 U CN216398052 U CN 216398052U CN 202123126119 U CN202123126119 U CN 202123126119U CN 216398052 U CN216398052 U CN 216398052U
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- tool bit
- supporting layer
- cutter body
- mounting groove
- boron nitride
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Abstract
The utility model relates to a polycrystalline cubic boron nitride composite sheet, which comprises a cutter body, wherein a composite supporting layer is compounded on one side surface of the cutter body, a cutter head is arranged on the cutter body, a mounting groove extending to the composite supporting layer is formed in the cutter body, a clamping groove is formed in the side wall, close to the composite supporting layer, of the mounting groove, the cutter head is embedded in the mounting groove, a clamp and a ring which can be clamped in the clamping groove are arranged on the outer side wall of the lower end of the cutter head, and the cutter head is fixed on the composite supporting layer through a bolt; the utility model has the advantages of convenient cutter head switching and effective and stable fixation of the cutter head.
Description
Technical Field
The utility model belongs to the technical field of polycrystalline cubic boron nitride, and particularly relates to a polycrystalline cubic boron nitride composite sheet.
Background
The cutting process is a processing method of cutting excessive material layers on a blank or a workpiece into chips by using a cutting tool (comprising a cutter, a grinding tool and an abrasive material) to ensure that the workpiece obtains a specified geometric shape, size and surface quality, and polycrystalline cubic boron nitride PCBN (polycrystalline cubic boron nitride) is a novel superhard cutter cutting material artificially synthesized after artificial diamond, and the hardness of the novel superhard cutter cutting material is second to that of the diamond, so that most of the cutting tools adopt the polycrystalline cubic boron nitride as a cutter head.
Most of present tool bit and cutting cutter body all adopt the structure of integral type, such structure is at the in-process that uses, installs the tool bit through the cutter body to cut through the tool bit, but along with long-time cutting, the condition of damage all can appear in the tool bit in many times, can only change whole cutter, can't switch the tool bit, cause the waste of cutter body, and after the change is accomplished, can't guarantee fixed stability, the condition that the separation of tool bit and cutter body when cutting appears easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a polycrystalline cubic boron nitride composite sheet which is convenient for cutter head switching and can effectively fix and stabilize a cutter head.
The technical scheme of the utility model is as follows:
the utility model provides a polycrystalline cubic boron nitride compact, includes the cutter body, a side complex of cutter body has compound supporting layer, be provided with the tool bit on the cutter body, set up the mounting groove that extends to compound supporting layer department on the cutter body, the mounting groove is close to the lateral wall of compound supporting layer and has seted up the draw-in groove, the tool bit scarf joint is in the mounting groove, the lower extreme lateral wall of tool bit is provided with can block into the card and the circle in the draw-in groove, the tool bit passes through the bolt fastening on compound supporting layer.
Further, the cutter body is regular polygon, the vertical section of the cutter body is the same as that of the composite supporting layer, and the mounting groove is formed in the outer corner of the composite supporting layer.
Further, the tool bit is big end back, the tool bit is kept away from the card and is equipped with sunken, the mounting hole has been seted up at sunken position center of tool bit, the mounting hole communicates with card and circle.
Further, the groove and the edge of the mounting groove are the same as the corresponding parts of the clamp, the ring and the tool bit, so that the tool bit, the clamp and the ring are placed into the mounting groove and the clamping groove.
Furthermore, the composite supporting layer and the mounting hole are correspondingly provided with threaded holes, and the tool bit penetrates through the mounting hole through a bolt and is mounted in the threaded holes in a threaded mode.
Compared with the prior art, the utility model has the beneficial effects that:
1. the polygonal cutter head is adopted for cutting, when the cutter head needs to be replaced, the bolt is disassembled, and then the cutter head is disassembled and replaced to the other end for installation, so that switching is realized, and different cutter head end angles can be conveniently switched for cutting;
2. the tool bit is fixed front and back by matching the clamp, the ring and the clamp groove, the tool bit is fixed front and back for the second time through the bolt, and finally the tool bit is fixed by matching the mounting groove, so that the tool bit is prevented from rotating during cutting, and the stability of fixing during cutting is ensured;
in a word, the utility model has the advantages of convenient cutter head switching and effective and stable fixation of the cutter head.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the cutting head of FIG. 1 according to the present invention;
fig. 3 is a view showing the structure of the composite support layer of fig. 1 according to the present invention.
In the figure, the tool comprises a tool body 1, a tool body 2, a tool bit 3, a composite supporting layer 4, a cutting tool 5, a mounting hole 6, a clamp and a ring 7, a mounting groove 8 and a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, a polycrystalline cubic boron nitride composite sheet, wherein a composite support layer 3 is composited on one side surface of a cutter body 1, a cutter head 2 is arranged on the cutter body 1, a mounting groove 7 extending to the composite support layer 3 is formed in the cutter body 1, a clamping groove 8 is formed in a side wall, close to the composite support layer 3, of the mounting groove 7, the cutter head 2 is embedded in the mounting groove 7, a clamp and a ring 6 capable of being clamped into the clamping groove 8 are arranged on an outer side wall of the lower end of the cutter head 2, the cutter head 2 is fixed on the composite support layer 3 through a bolt, the front of the cutter head 2 is large and the rear of the cutter head is small, a recess is formed in one side, far away from the clamp and the ring 6, of the cutter head 2, a mounting hole 5 is formed in the center of a recess position of the cutter head 2, the mounting hole 5 is communicated with the clamp and the ring 6, and the groove and the edge of the mounting groove 7 are the same as the corresponding parts of the clamp and ring 6 and the cutter head 2 in shape, so that the tool bit 2 and the clamping ring 6 are placed in the mounting groove 7 and the clamping groove 8, the composite supporting layer 3 is provided with a threaded hole corresponding to the mounting hole 5, the tool bit 2 passes through the mounting hole 5 through a bolt and is installed in the threaded hole through a thread, when the tool bit 2 is required to be used, the tool bit 2 is taken up, the front part and the rear part of the tool bit 2 are small, the vertical sectional area of the front side surface of the tool bit 2 is the same as that of the clamping ring 6, the vertical sectional area of the rear side surface of the tool bit 2 is smaller than that of the clamping ring 6, so that the tool bit is placed into the mounting groove 7 from the clamping groove 8 by the clamping ring 6, the side wall of the tool bit 2 is attached to the mounting groove 7, then the tool bit 2 is inserted into the mounting hole 5 through the bolt, the tool bit 2 is fixed on the tool body 1 and the composite supporting layer 3 through the thread, the tool bit 2 directly cuts materials in the cutting process, and is sunken to enable the cutting position of the tool bit 2 to form a triangular cutting blade, so that the material can be inclined upwards during cutting, and the generated force is transmitted to the cutter body 1 and the composite supporting layer 3 through the cutter head 2 and the clamping ring 6, so that the cutter head 2 can not fall off due to cutting.
In this embodiment, the cutter body 1 is regular polygon, the vertical section of the cutter body 1 is the same as that of the composite support layer 3, the mounting groove 7 is formed in the outer corner of the composite support layer 3, and the angle of the cutter head can be adjusted when the cutter head 2 is damaged on one side by adopting the regular polygon structure, so that the cutter head can be replaced with another outer corner.
When using, put into mounting groove 7 from the draw-in groove with tool bit 2 through card and circle 6 in, put into the back, the lateral wall and the cutter body 1 laminating of tool bit 2, card and circle 6 contact composite support layer 3, insert in mounting hole 5 through the bolt this moment, with tool bit 2 threaded fixation on composite support layer 3 can, when the cutting, cutting equipment fixed cutter body 1, with tool bit 2 facing to the cutting material, cut can, and when the cutting external angle of tool bit 2 damaged, only need unscrew the bolt, change the angle of tool bit 2 again, make another cutting external angle aim at the cutting material can.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a polycrystalline cubic boron nitride compact, includes the cutter body, its characterized in that: the side complex of cutter body has compound supporting layer, be provided with the tool bit on the cutter body, set up the mounting groove that extends to compound supporting layer department on the cutter body, the mounting groove is close to the lateral wall of compound supporting layer and has seted up the draw-in groove, the tool bit scarf joint is in the mounting groove, the lower extreme lateral wall of tool bit is provided with and can blocks into card and circle in the draw-in groove, the tool bit passes through the bolt fastening on compound supporting layer.
2. The polycrystalline cubic boron nitride compact of claim 1, wherein: the cutter body is regular polygon, the vertical section of the cutter body is the same as that of the composite supporting layer, and the mounting groove is formed in the outer corner of the composite supporting layer.
3. The polycrystalline cubic boron nitride compact of claim 1, wherein: the tool bit is big-end-up, and the back is little, the tool bit is kept away from the card and is equipped with sunken, the mounting hole has been seted up at the sunken position center of tool bit, the mounting hole communicates with card and circle.
4. The polycrystalline cubic boron nitride compact of claim 3, wherein: the groove and the edge of the mounting groove are the same as the shapes of the corresponding parts of the clamp, the ring and the tool bit, so that the tool bit, the clamp and the ring are placed into the mounting groove and the clamping groove.
5. The polycrystalline cubic boron nitride compact of claim 4, wherein: the composite supporting layer and the mounting hole are correspondingly provided with threaded holes, and the tool bit penetrates through the mounting hole through a bolt and is mounted in the threaded holes in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123126119.8U CN216398052U (en) | 2021-12-13 | 2021-12-13 | Polycrystalline cubic boron nitride composite sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123126119.8U CN216398052U (en) | 2021-12-13 | 2021-12-13 | Polycrystalline cubic boron nitride composite sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216398052U true CN216398052U (en) | 2022-04-29 |
Family
ID=81283222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123126119.8U Active CN216398052U (en) | 2021-12-13 | 2021-12-13 | Polycrystalline cubic boron nitride composite sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216398052U (en) |
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2021
- 2021-12-13 CN CN202123126119.8U patent/CN216398052U/en active Active
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