CN220805600U - Cutting device for metal part machining - Google Patents
Cutting device for metal part machining Download PDFInfo
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- CN220805600U CN220805600U CN202322683928.1U CN202322683928U CN220805600U CN 220805600 U CN220805600 U CN 220805600U CN 202322683928 U CN202322683928 U CN 202322683928U CN 220805600 U CN220805600 U CN 220805600U
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- 238000005520 cutting process Methods 0.000 title claims abstract description 176
- 239000002184 metal Substances 0.000 title claims abstract description 39
- 238000003754 machining Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 230000001154 acute effect Effects 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 238000005555 metalworking Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 6
- 239000007924 injection Substances 0.000 abstract description 6
- 239000002173 cutting fluid Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Drilling Tools (AREA)
Abstract
The utility model relates to the technical field of machine manufacturing and discloses a cutting device for machining metal parts, which comprises a drill body, wherein a connecting rod is fixedly connected to the upper part of the drill body, a liquid injection hole is formed in the drill body, a liquid outlet hole is connected to the lower part of the liquid injection hole, a main cutting edge is fixedly connected to the lower part of the drill body, a positioning cutting edge is fixedly connected to the lower part of the main cutting edge, a center cutting edge is arranged in the positioning cutting edge, and the center cutting edge is fixedly connected to the main cutting edge. This cutting device for metal part processing, through setting up the guide chip groove, avoid the interference of chip to processing, inside sets up the liquid outlet hole and can discharge the cutting fluid and carry out the auxiliary cutting and dispel the heat, can dash the chip that the inner circle produced out moreover, makes tiny chip also discharge from the guide chip groove, sets up three-layer type multiple cutting edge structure, all has fine continuity between every layer cutting edge, can not lead to the fact wearing and tearing to non-cutting edge position, has improved the life who changes cutting device greatly.
Description
Technical Field
The utility model relates to the technical field of machine manufacturing, in particular to a cutting device for machining metal parts.
Background
When the curved surface metal is drilled, when the used cutter is contacted with the curved surface of the metal, the small-amplitude sliding condition often occurs, so that the drilling precision is reduced, the drilling quality of the curved surface metal is affected, the multi-blade metal processing cutter with the Chinese patent number of CN202121468415.3 can be used for reducing the small-amplitude sliding condition of the cutter contacted with the curved surface of the metal, and the drilling precision and quality are improved.
However, the multi-blade metal processing cutter head has a complex shape and is not provided with a structure for chip removal as a whole, partial chips can be concentrated in a drill inner groove and cannot be discharged when the multi-blade metal processing cutter is used, the processing efficiency is seriously affected, the cutter is divided into an inner drill blade and an outer drill blade, the inner drill blade and the outer drill blade are not coherent, a spare area in the middle cannot cut a workpiece, great abrasion can be caused, the cutter is multi-blade, a large amount of heat can be generated in the processing, the cutter is cooled by cutting fluid, and the cutter is damaged after the temperature is extremely easy to rise.
Disclosure of utility model
The present utility model is directed to a cutting device for machining metal parts, which solves the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cutting device is used in metalworking processing, includes the boring body, boring body top fixedly connected with connecting rod, it has the notes liquid hole to bore in, annotate liquid hole below and connect out the liquid hole, boring body below fixedly connected with main cutting edge, main cutting edge below fixedly connected with location cutting edge, be equipped with central cutting edge in the location cutting edge, central cutting edge fixed connection is on the main cutting edge.
Preferably, the drill body, the connecting rod, the main cutting edge, the positioning cutting edge and the center cutting edge are all formed by processing a piece of high-hardness alloy.
Preferably, the main cutting edge is an outer convex cutting edge, the positioning cutting edge is an inner concave cutting edge, and the center cutting edge is a flat cutting edge.
Preferably, the number of the main cutting edges is six, the main cutting edges are uniformly distributed below the drill body to form a ring shape, the main cutting edges consist of a main cutting edge front cutting edge surface, a main cutting edge knife edge, a chip guiding groove and a main cutting edge body, the main cutting edge body is directly connected with the drill body, and the connecting edge of the main cutting edge front cutting edge surface and the chip guiding groove is the main cutting edge knife edge.
Preferably, the number of the positioning cutting edges is six, the positioning cutting edges are uniformly arranged on the main cutting edge, the positioning cutting edges consist of a positioning edge rake face, a main flank face, an auxiliary flank face, a main cutting edge and an auxiliary cutting edge, and the positioning edge rake face, the main flank face and the auxiliary flank face form acute included angles.
Preferably, the number of the center cutting edges is six, the center cutting edges are uniformly distributed on the gap for positioning the cutting edges, the center cutting edges consist of a center edge front cutter face, a center edge rear cutter face and a center edge, and the connecting edge of the center edge front cutter face and the center edge rear cutter face is the center edge.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the cutting device for machining the metal part, the positioning cutting edges are arranged, so that when the curved metal is drilled, due to the special arrangement of the positioning cutting edges, the stress is balanced after the drill bit contacts the metal surface, the possibility of edge deviation is avoided, and the machining precision is improved.
2. This cutting device for metal part processing, derive the massive smear metal that produces when processing the metal through setting up the guide chip groove, avoid the smear metal to the interference of processing, inside sets up out the liquid hole and can discharge the cutting fluid and carry out the auxiliary cutting and dispel the heat, can dash out the smear metal that the inner circle produced moreover, make tiny smear metal also discharge from the guide chip groove, set up three-layer type multiple cutting edge structure, all have fine continuity between every layer cutting edge, can not lead to the fact wearing and tearing to non-cutting edge position, improved the life who changes cutting device greatly.
Drawings
FIG. 1 is a schematic view showing the overall structure of a cutting device for machining metal parts according to the present utility model;
FIG. 2 is a schematic overall sectional view of a cutting device for machining metal parts according to the present utility model;
FIG. 3 is an enlarged schematic view of the inner edge of the cutting device for machining metal parts according to the present utility model;
FIG. 4 is a schematic view of a drill bit of a cutting device for machining metal parts according to the present utility model;
FIG. 5 is a schematic view of a drill plate of a cutting device for machining metal parts according to the present utility model;
FIG. 6 is a schematic view of a locating blade of a cutting device for machining metal parts according to the present utility model;
fig. 7 is a schematic view of a center blade of a cutting device for machining a metal part according to the present utility model.
In the figure: 1. a drill body; 2. a connecting rod; 3. a liquid injection hole; 4. a liquid outlet hole; 5. a main cutting edge; 501. a major-edge rake face; 502. a main blade edge; 503. a chip guiding groove; 504. a main blade body; 6. positioning a cutting edge; 601. positioning the blade rake face; 602. a main relief surface; 603. an auxiliary rear cutter surface; 604. a main knife edge; 605. an auxiliary knife edge; 7. a center cutting edge; 701. a center blade rake face; 702. a center blade relief surface; 703. a center blade edge.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-7, the utility model provides a cutting device for metal part processing, which comprises a drill body 1, wherein a connecting rod 2 is fixedly connected above the drill body 1, a liquid injection hole 3 is formed in the drill body 1, a liquid outlet 4 is connected below the liquid injection hole 3, a main cutting edge 5 is fixedly connected below the drill body 1, six main cutting edges 5 are uniformly distributed below the drill body 1, the main cutting edge 5 is in a ring shape, the main cutting edge 5 consists of a main cutting edge front cutting edge 501, a main cutting edge 502, a chip guiding groove 503 and a main cutting edge body 504, the main cutting edge body 504 is directly connected with the drill body 1, the connecting edge of the main cutting edge front cutting edge 501 and the chip guiding groove 503 is the main cutting edge 502, a positioning cutting edge 6 is fixedly connected below the main cutting edge 5, the positioning cutting edge 6 is six, the positioning cutting edges 6 are uniformly arranged on the main cutting edge 5, the positioning cutting edge 6 consists of a positioning cutting edge front cutting edge 601, a main rear cutting edge 602, a pair of rear cutting edges 603, a main cutting edge 604 and a pair of cutting edges 605, the locating blade rake face 601 forms an acute angle with the main flank face 602 and the auxiliary flank face 603, the main cutter mouth 604 is attached to a workpiece, the locating blade rake face 601 guides out chips, by arranging the locating cutting blades 6, when the curved surface metal is drilled, due to the special arrangement of the locating cutting blades 6, the stress is balanced after the drill contacts the metal surface, the possibility of edge deflection is avoided, the machining precision is improved, the locating cutting blades 6 are internally provided with the central cutting blades 7, the central cutting blades 7 are fixedly connected on the main cutting edge 5, the number of the central cutting blades 7 is six, the central cutting blades 7 are uniformly distributed on the gap of the locating cutting blades 6, the central cutting blades 7 consist of the central blade rake face 701, the central blade flank face 702 and the central blade edge 703, the connecting edges of the central blade rake face 701 and the central blade flank face 702 are the central blade 703, the main cutting edge 5 is the evagination cutting edge, location cutting edge 6 is the indent cutting edge, the center cutting edge 7 is the flat head cutting edge, the drilling body 1, connecting rod 2, main cutting edge 5, location cutting edge 6 and center cutting edge 7 are a high hardness alloy processing and get, derive the massive chip that produces when the metalworking through setting up guide chip groove 503, avoid the interference of chip to processing, inside setting up liquid outlet 4 can discharge cutting fluid and carry out auxiliary cutting and heat dissipation, and can wash the chip that the inner circle produced out, make tiny chip also follow guide chip groove 503 and discharge, set up three-layer type multiple cutting edge structure, all have fine continuity between the cutting edge of every layer, can not lead to the fact wearing and tearing to non-cutting edge position, improve the life who changes cutting device greatly.
Working principle: when the device is used, the connecting rod 2 is connected to the drilling machine, the liquid injection hole 3 is connected with cutting liquid, the drill bit is pressed down after the metal workpiece is clamped, the positioning cutting edge 6 is aligned to the drilling position of the workpiece, the drilling machine switch is turned on after the positioning is completed, then the drill bit is pressed down again, the switch of the cutting liquid is turned on, when the positioning cutting edge 6 firstly contacts the curved surface of the metal workpiece, because of the circumferential arrangement of the positioning cutting edge, a plurality of small grooves are formed on the bottom surface of the drill bit, the curved surface of the workpiece can be corresponded, the inclined surface cannot deviate due to uneven stress during cutting, a large amount of heat generated during drilling is discharged from the liquid outlet hole 4, fine chips generated during inner ring cutting are taken away, and when the main cutting edge 5 contacts the workpiece for cutting, the generated large chips can be led out of the processing range of the workpiece through the chip guiding grooves 503, so that interference is avoided.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a cutting device is used in metalworking processing, includes bores body (1), its characterized in that, it has connecting rod (2) to bore body (1) top fixedly connected with, it has annotates liquid hole (3) to bore body (1) internally, annotate liquid hole (3) below and connect out liquid hole (4), it is fixedly connected with main cutting edge (5) to bore body (1) below, main cutting edge (5) below fixedly connected with location cutting edge (6), be equipped with center cutting edge (7) in location cutting edge (6), center cutting edge (7) fixed connection is on main cutting edge (5).
2. Cutting device for metal part machining according to claim 1, characterized in that the drill body (1), the connecting rod (2), the main cutting edge (5), the locating cutting edge (6) and the central cutting edge (7) are all machined from one piece of high hardness alloy.
3. Cutting device for metal part machining according to claim 1, characterized in that the main cutting edge (5) is a convex cutting edge, the locating cutting edge (6) is a concave cutting edge and the central cutting edge (7) is a flat cutting edge.
4. The cutting device for machining metal parts according to claim 1, wherein six main cutting edges (5) are provided, the main cutting edges (5) are uniformly distributed below the drill body (1) and are annular, the main cutting edges (5) consist of a main cutting edge front cutting edge (501), a main cutting edge (502), a chip guiding groove (503) and a main cutting edge body (504), the main cutting edge body (504) is directly connected with the drill body (1), and the connecting edge of the main cutting edge front cutting edge (501) and the chip guiding groove (503) is the main cutting edge (502).
5. The cutting device for machining metal parts according to claim 1, wherein six positioning cutting edges (6) are provided, the positioning cutting edges (6) are uniformly arranged on the main cutting edge (5), the positioning cutting edges (6) are composed of a positioning edge rake surface (601), a main flank surface (602), a secondary flank surface (603), a main cutting opening (604) and a secondary cutting edge (605), and the positioning edge rake surface (601) forms an acute angle with the main flank surface (602) and the secondary flank surface (603).
6. The cutting device for machining metal parts according to claim 1, wherein there are six center cutting edges (7), and the center cutting edges (7) are uniformly distributed on a gap of the positioning cutting edges (6), the center cutting edges (7) are composed of a center edge rake face (701), a center edge relief face (702) and a center edge (703), and a connecting edge of the center edge rake face (701) and the center edge relief face (702) is the center edge (703).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322683928.1U CN220805600U (en) | 2023-10-08 | 2023-10-08 | Cutting device for metal part machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322683928.1U CN220805600U (en) | 2023-10-08 | 2023-10-08 | Cutting device for metal part machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220805600U true CN220805600U (en) | 2024-04-19 |
Family
ID=90700236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322683928.1U Active CN220805600U (en) | 2023-10-08 | 2023-10-08 | Cutting device for metal part machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220805600U (en) |
-
2023
- 2023-10-08 CN CN202322683928.1U patent/CN220805600U/en active Active
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