CN215941531U - Metal cutting tool convenient to dismantle - Google Patents
Metal cutting tool convenient to dismantle Download PDFInfo
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- CN215941531U CN215941531U CN202122659605.XU CN202122659605U CN215941531U CN 215941531 U CN215941531 U CN 215941531U CN 202122659605 U CN202122659605 U CN 202122659605U CN 215941531 U CN215941531 U CN 215941531U
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Abstract
The utility model provides a metal cutting tool convenient to disassemble, and belongs to the technical field of metal cutting. The cutting tool comprises a blade, a clamping tool rest, a pressing piece and a fastening bolt; the blade is rhombic, and a second limiting groove is formed in the top surface of the blade; the clamping tool rest comprises a tool shank, the lower part of the front end of the tool shank is a convex supporting part, and the upper part of the front end of the tool shank is a concave V-shaped limiting part; the front part of the knife handle is also provided with a mounting hole, the middle part of the mounting hole is provided with a step, and the lower part of the mounting hole is provided with an internal thread; the blade is arranged on the supporting part and is positioned on the inner side of the V-shaped limiting part; the pressing piece comprises an installation part, a connection part and a pressing column which are integrally formed; the lower end of the compression column is arranged in the second limiting groove, the lower portion of the installation portion is clamped on the step surface in the installation hole, and the fastening bolt is in threaded connection with the installation portion and the installation hole. The blade of the cutting tool can be disassembled through the adjustment of the fastening bolt, the assembly is simple and convenient, and the stability of the blade is good.
Description
Technical Field
The utility model belongs to the technical field of metal cutting, and particularly relates to a metal cutting tool convenient to disassemble.
Background
Metal cutting is a process of cutting excess material from a workpiece with a tool to obtain a part having a desired shape, dimensional accuracy, surface quality, and the like. Three conditions must be met to achieve this cutting process: relative motion, namely cutting motion, is required between the workpiece and the cutter; the cutter material must have certain cutting performance; the tool must have the appropriate geometrical parameters, i.e. cutting angle, etc. The metal cutting process is performed by a machine tool or a hand tool, and the main methods include turning, milling, planing, grinding, drilling, boring, gear machining, scribing, sawing, filing, scraping, grinding, reaming, tapping, threading and the like.
When the existing metal cutting tool is used, the abrasion degree of a blade is high due to poor stability, poor performance and the like, and a new cutting tool needs to be replaced for use, so that the use performance of the cutting tool is influenced. In addition, the problems of unreliable clamping of the cutting tool and difficult adjustment of the blade exist.
Disclosure of Invention
The present invention is directed to solve the above problems of the prior art, and provides a metal cutting tool which is easy to disassemble.
In order to achieve the purpose, the technical scheme adopted by the utility model is that the metal cutting tool convenient to disassemble comprises a blade, a clamping tool rest, a pressing piece and a fastening bolt;
the blade is rhombic, and a second limiting groove is formed in the top surface of the blade;
the clamping tool rest comprises a tool shank, the lower part of the front end of the tool shank is a convex supporting part, and the upper part of the front end of the tool shank is a concave V-shaped limiting part; the front part of the knife handle is also provided with a mounting hole, the middle part of the mounting hole is provided with a step, and the lower part of the mounting hole is provided with an internal thread; the blade is arranged on the supporting part and is positioned on the inner side of the V-shaped limiting part;
the pressing piece comprises an installation part, a connection part and a pressing column which are integrally formed; the lower end of the compression column is arranged in the second limiting groove, the lower portion of the installation portion is clamped on the step surface in the installation hole, and the fastening bolt is in threaded connection with the installation portion and the installation hole.
Furthermore, the front side and the rear side of the V-shaped limiting part are both provided with limiting screw holes, conical bolts are connected with the limiting screw holes in an internal thread mode, and conical surfaces at the front ends of the conical bolts extend into the inner side of the V-shaped limiting part and are matched with the inclined surfaces of the blades.
Furthermore, a parallel limiting part is further arranged at the front end of the V-shaped limiting part.
Preferably, the top surface of the parallel limiting part is provided with scale marks.
Furthermore, a first limiting groove is formed in the top surface of the supporting portion, and a strip-shaped limiting block matched with the first limiting groove is arranged on the bottom surface of the blade.
The beneficial technical effects of the utility model are as follows: the blade of the metal cutting tool convenient to disassemble can be disassembled through the adjustment of the fastening bolt, the assembly is simple and convenient, and the stability of the blade body is good; the radial size of cutting can be finely adjusted by adjusting the fastening bolt and the conical bolt.
Drawings
FIG. 1 is a front view of a metal cutting tool for ease of removal in accordance with an embodiment of the present invention;
FIG. 2 is a left side view of a metal cutting tool for ease of removal in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of a clamping tool holder according to an embodiment of the utility model;
FIG. 4 is a schematic structural view of a compression member in an embodiment of the present invention;
FIG. 5 is a schematic view of a blade according to an embodiment of the present invention;
FIG. 6 is a left side view of the blade of FIG. 5;
FIG. 7 is a schematic structural diagram of a conical bolt according to an embodiment of the present invention;
reference numerals: 1-clamping tool rest, 101-tool handle, 102-mounting hole, 103-V-shaped limiting part, 104-supporting part, 105-first limiting groove, 106-limiting screw hole, 107-parallel limiting part, 108-scale mark, 2-fastening bolt, 3-pressing part, 301-mounting part, 302-connecting part, 303-pressing column, 4-blade, 401-second limiting groove, 402-strip-shaped limiting block and 5-conical bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to preferred embodiments.
Example 1
Referring to fig. 1-2, the metal cutting tool convenient to disassemble according to the present embodiment includes a blade 4, a clamping tool holder 1, a pressing member 3, and a fastening bolt 2; referring to fig. 5, the blade 4 is a diamond shape, and a second limiting groove 401 is formed on the top surface thereof; referring to fig. 3, the clamping tool holder 1 includes a tool shank 101, a protruding support portion 104 is disposed at a lower portion of a front end of the tool shank 101, and a recessed V-shaped limiting portion 103 is disposed at an upper portion of the front end of the tool shank 101; the front part of the tool shank 101 is also provided with a mounting hole 102, the middle part of the mounting hole 102 is provided with a step, and the lower part of the mounting hole is provided with an internal thread; the blade 4 is arranged on the supporting part 104 and is positioned on the inner side of the V-shaped limiting part 103; referring to fig. 4, the pressing member 3 includes an integrally formed mounting portion 301, a connecting portion 302, and a pressing post 303.
In this embodiment, the lower end of the pressing post 303 is disposed in the second limiting groove 401, and the lower portion of the mounting portion 301 is clamped on the step surface in the mounting hole 102, as shown in fig. 7, the fastening bolt 2 is in threaded connection with the mounting portion 301 and the mounting hole 102; the front side and the rear side of the V-shaped limiting part 103 are both provided with limiting screw holes 106, the limiting screw holes 106 are internally threaded with conical bolts 5, and conical surfaces at the front ends of the conical bolts 5 extend into the inner side of the V-shaped limiting part 103 and are matched with the inclined surfaces of the blades 4; the front end of the V-shaped limiting part 103 is also provided with a parallel limiting part 107, and the top surface of the parallel limiting part 107 is provided with scale marks 108; referring to fig. 6, the top surface of the supporting portion 104 is provided with a first limiting groove 105, and the bottom surface of the blade 4 is provided with a strip-shaped limiting block 402 matching with the first limiting groove 105.
The fastening bolt 2 is tightened to enable the pressing piece 3 to press the blade 4, so that the blade 4 is fixed on the clamping tool rest 1; by unscrewing or even removing the fastening bolt 2, the blade 4 can be removed, facilitating the replacement of the blade 4.
When the fastening bolt 2 is slightly unscrewed, the pressing column 303 and the strip-shaped limiting block 402 can respectively slide in the second limiting groove 401 and the first limiting groove 105, and the conical surface of the conical bolt 5 extrudes the inclined surface of the blade 4 by adjusting the conical bolt 5, so that the blade 4 is pushed to move, radial displacement is generated, and the adjustment of the radial size is realized.
The foregoing is a preferred embodiment of the present invention for the purpose of illustrating the utility model, and it is therefore contemplated that modifications, equivalents and improvements will readily occur to those skilled in the art, which modifications are within the spirit and scope of the utility model.
Claims (5)
1. A metal cutting tool convenient to disassemble comprises a blade (4), a clamping tool rest (1), a pressing piece (3) and a fastening bolt (2); the method is characterized in that:
the blade (4) is rhombic, and the top surface of the blade is provided with a second limiting groove (401);
the clamping tool rest (1) comprises a tool shank (101), the lower part of the front end of the tool shank (101) is provided with a convex supporting part (104), and the upper part of the front end of the tool shank (101) is provided with an inwards concave V-shaped limiting part (103); the front part of the cutter handle (101) is also provided with a mounting hole (102), the middle part of the mounting hole (102) is provided with a step, and the lower part of the mounting hole is provided with an internal thread; the blade (4) is arranged on the supporting part (104) and is positioned on the inner side of the V-shaped limiting part (103);
the pressing piece (3) comprises an installation part (301), a connection part (302) and a pressing column (303) which are integrally formed; the lower end of the compression column (303) is arranged in the second limiting groove (401), the lower part of the installation part (301) is clamped on the step surface in the installation hole (102), and the fastening bolt (2) is in threaded connection with the installation part (301) and the installation hole (102).
2. The removable metal cutting tool of claim 1, wherein: the front side and the rear side of the V-shaped limiting part (103) are respectively provided with a limiting screw hole (106), the limiting screw holes (106) are in internal thread connection with conical bolts (5), and conical surfaces at the front ends of the conical bolts (5) extend into the inner side of the V-shaped limiting part (103) and are matched with the inclined surface of the blade (4).
3. The removable metal cutting tool of claim 2, wherein: the front end of the V-shaped limiting part (103) is also provided with a parallel limiting part (107).
4. The removable metal cutting tool of claim 3, wherein: and the top surface of the parallel limiting part (107) is provided with scale marks (108).
5. The removable metal cutting tool of claim 4, wherein: a first limiting groove (105) is formed in the top surface of the supporting portion (104), and a strip-shaped limiting block (402) matched with the first limiting groove (105) is arranged on the bottom surface of the blade (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122659605.XU CN215941531U (en) | 2021-11-02 | 2021-11-02 | Metal cutting tool convenient to dismantle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122659605.XU CN215941531U (en) | 2021-11-02 | 2021-11-02 | Metal cutting tool convenient to dismantle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215941531U true CN215941531U (en) | 2022-03-04 |
Family
ID=80411527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122659605.XU Active CN215941531U (en) | 2021-11-02 | 2021-11-02 | Metal cutting tool convenient to dismantle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215941531U (en) |
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2021
- 2021-11-02 CN CN202122659605.XU patent/CN215941531U/en active Active
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