CN217775675U - Centering drill type machining tool - Google Patents
Centering drill type machining tool Download PDFInfo
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- CN217775675U CN217775675U CN202221458037.5U CN202221458037U CN217775675U CN 217775675 U CN217775675 U CN 217775675U CN 202221458037 U CN202221458037 U CN 202221458037U CN 217775675 U CN217775675 U CN 217775675U
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Abstract
The utility model discloses centering bores formula of getting processing cutter, including the handle of a knife, the handle of a knife is connected with processing cutter body portion, and the spiral is provided with a plurality of cutting edges on the processing cutter body portion, and a plurality of cutting edges form the cutting edge groove that the processing bits lead to between two liang, and the cutting edge includes flat gentle portion, and the gentle surface of portion is provided with the friction course that increases friction; the processing cutter body part is correspondingly provided with a processing plate pressing and holding plate, a centering hole matched with the processing cutter body part is formed in the processing plate pressing and holding plate corresponding to a processing position, the processing cutter body part is used for processing the processing plate through the centering hole, and the friction layer is matched with the inner wall of the centering hole to form a high-stability centering processing structure corresponding to the processing cutter body part.
Description
Technical Field
The utility model relates to an accurate processing technique, in particular to special type cutter is used in accurate processing, and is concrete, its show centering bores gets formula processing cutter.
Background
The processing cutter is a processing main body used in the technical field of precision processing, the processing main body is directly carried on a processing device and then correspondingly processes a processed part, in some occasions, the performance requirement of the processing cutter directly determines the qualification rate of a processed finished product, the processing cutter used at the present stage corresponds to some products, and the processing cutter has disadvantages, such as drilling processing of a plate with high surface smoothness and high material hardness, the plate is a thin-wall plate, and the plate is easy to slip during processing due to high surface smoothness, and the plate material hardness is high, so that the cutter is easy to break during slipping, and a production accident is caused.
Therefore, it is necessary to provide a core drill type machining tool to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a centering bores formula processing cutter of getting.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a centering drill type machining cutter comprises a cutter handle, wherein the cutter handle is connected with a machining cutter body part, a plurality of cutting edges are spirally arranged on the machining cutter body part, cutting grooves for discharging machining scraps are formed between every two cutting edges, each cutting edge comprises a flat and slow part, and a friction layer for increasing friction is arranged on the surface of each flat and slow part;
the processing cutter body part is correspondingly provided with a processing plate pressing and holding plate, a centering hole matched with the processing cutter body part is formed in the processing plate pressing and holding plate corresponding to a processing position, the processing cutter body part is used for processing the processing plate through the centering hole, and the friction layer is matched with the inner wall of the centering hole to form a high-stability centering processing structure corresponding to the processing cutter body part.
Furthermore, the outer diameter of the friction layer is 0.1-0.5mm smaller than the inner diameter of the centering hole, an interference type extrusion structure is formed, and the tool body stable type drilling processing structure is formed by matching the friction force of the friction layer.
Further, a self-lubricating part is arranged between the cutter handle and the processing cutter body part, and the length of the self-lubricating part is 40% -60% of that of the processing cutter body part.
Furthermore, the diameter of the self-lubricating part is 85% -90% of that of the machining cutter body part, and the machining cutter body part is higher than the inner wall of the centering hole corresponding to the self-lubricating part to form a self-lubricating cutter body structure for the machining lubricating liquid to enter.
Further, one side of the blade comprises a slowly extending part and a blade part connected with the slowly extending part, and the blade part is provided with a chamfer angle A.
Further, the chamfer angle a is 16.
Furthermore, the other side of the cutting edge is connected with the cutter body or the cutting edge feeding end in an excessive way through the arc part.
Compared with the prior art, the utility model discloses a processing cutter body processes panel processing through centering hole, and the inner wall in frictional layer cooperation centering hole forms the high stable centering processing structure who corresponds processing cutter body portion.
Drawings
Fig. 1 is one of the structural schematic diagrams of the present invention.
Fig. 2 is a second schematic structural diagram of the present invention.
Fig. 3 is a third schematic structural diagram of the present invention.
Fig. 4 is a fourth schematic structural diagram of the present invention.
Detailed Description
Referring to fig. 1 to 4, the present embodiment shows a centering drill type machining tool, which includes a tool shank 1, the tool shank 1 is connected to a machining tool body 2, a plurality of cutting edges 3 are spirally disposed on the machining tool body 2, a cutting edge groove 31 for passing machining chips is formed between every two cutting edges 3, each cutting edge 3 includes a flat and gentle portion 32, a friction layer 33 for increasing friction is disposed on a surface of the flat and gentle portion 32, and in the present embodiment, the friction layer 33 is formed by corrugations;
the processing cutter body part 2 is correspondingly provided with a processing plate pressing and holding plate 4, the processing plate pressing and holding plate 4 presses and holds and fixes the processing plate 100, the processing plate 100 is a thin-wall plate with high surface smoothness and high material hardness, a centering hole 41 matched with the processing cutter body part 2 is formed in the processing plate pressing and holding plate 4 corresponding to a processing position, the processing cutter body part 2 processes the processing plate 100 through the centering hole 41, and the friction layer 33 is matched with the inner wall of the centering hole 41 to form a high-stability centering processing structure corresponding to the processing cutter body part 2.
The outer diameter of the friction layer 33 is 0.1-0.5mm smaller than the inner diameter of the centering hole 41, an interference type extrusion structure is formed, and a stable drilling structure of the cutter body is formed by matching the friction force of the friction layer 33.
A self-lubricating part 21 is arranged between the cutter handle 1 and the processing cutter body part 2, and the length of the self-lubricating part 21 is 40-60% of that of the processing cutter body part 2.
The diameter of the self-lubricating part 21 is 85% -90% of that of the machining cutter body part 2, and the machining cutter body part 2 is higher than the inner wall of the self-lubricating part 21 corresponding to the centering hole 41 to form a self-lubricating cutter body structure for entering machining lubricating liquid.
The blade 3 includes a slowly extending portion 34 and a blade portion 35 connected to the slowly extending portion 34, and the blade portion 35 has a chamfer angle a.
The chamfer angle a is 16.
The other side of the cutting edge 3 is excessively connected with a cutter body or is processed into a cutter feeding end through a circular arc part 36.
Compared with the prior art, the utility model discloses a processing cutter body processes panel processing through centering hole, and the inner wall in frictional layer cooperation centering hole forms the high stable centering processing structure who corresponds processing cutter body portion.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (7)
1. The utility model provides a centering bores formula processing cutter which characterized in that: the processing tool comprises a tool handle, wherein the tool handle is connected with a processing tool body part, a plurality of cutting edges are spirally arranged on the processing tool body part, cutting grooves for processing scraps to pass out are formed between every two cutting edges, each cutting edge comprises a flat and slow part, and a friction layer for increasing friction is arranged on the surface of the flat and slow part;
the processing cutter body portion is correspondingly provided with a processing plate pressing and holding plate, a centering hole matched with the processing cutter body portion is formed in the processing plate pressing and holding plate corresponding to a processing position, the processing cutter body portion carries out processing on the processing plate through the centering hole, and the friction layer is matched with the inner wall of the centering hole to form a high-stability centering processing structure corresponding to the processing cutter body portion.
2. The tool of claim 1, wherein: the outer diameter of the friction layer is 0.1-0.5mm smaller than the inner diameter of the centering hole, an interference type extrusion structure is formed, and the stable drilling structure of the cutter body is formed by matching the friction force of the friction layer.
3. A rhinestone machining tool according to claim 2, wherein: a self-lubricating part is also arranged between the cutter handle and the processing cutter body part, and the length of the self-lubricating part is 40-60% of that of the processing cutter body part.
4. A core drill machining tool according to claim 3, wherein: the diameter of the self-lubricating part is 85% -90% of that of the processing cutter body part, and the processing cutter body part is higher than the inner wall of the corresponding centering hole of the self-lubricating part to form a self-lubricating cutter body structure for entering processing lubricating liquid.
5. The tool of claim 4, wherein: one side of the cutting edge comprises a slowly extending part and a cutting part connected with the slowly extending part, and the cutting part is provided with a chamfer angle A.
6. The tool of claim 5, wherein: the chamfer angle a is 16.
7. The tool according to claim 6, wherein: the other side of the cutting edge is excessively connected with the cutter body or is processed into a cutter feeding end through an arc part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221458037.5U CN217775675U (en) | 2022-06-13 | 2022-06-13 | Centering drill type machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221458037.5U CN217775675U (en) | 2022-06-13 | 2022-06-13 | Centering drill type machining tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217775675U true CN217775675U (en) | 2022-11-11 |
Family
ID=83934702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221458037.5U Active CN217775675U (en) | 2022-06-13 | 2022-06-13 | Centering drill type machining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217775675U (en) |
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2022
- 2022-06-13 CN CN202221458037.5U patent/CN217775675U/en active Active
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