CN219986322U - Cutter capable of machining positive and negative chamfers - Google Patents
Cutter capable of machining positive and negative chamfers Download PDFInfo
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- CN219986322U CN219986322U CN202221001874.5U CN202221001874U CN219986322U CN 219986322 U CN219986322 U CN 219986322U CN 202221001874 U CN202221001874 U CN 202221001874U CN 219986322 U CN219986322 U CN 219986322U
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- 238000003754 machining Methods 0.000 title claims abstract description 32
- 238000005520 cutting process Methods 0.000 claims abstract description 185
- 238000000034 method Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- Drilling Tools (AREA)
Abstract
The utility model provides a cutter capable of machining positive and negative chamfers, which comprises a handle, a neck and a cutting part and is characterized in that: the cutting portion includes first cutting portion, second cutting portion, third cutting portion, and first cutting portion, second cutting portion, third cutting portion all are equipped with two sets of, and one side and the other of a set of first cutting portion, second cutting portion, third cutting portion are equipped with the helicla flute between the opposite side of first cutting portion, second cutting portion, third cutting portion, and the helicla flute is close to first cutting portion and is equipped with the chip pocket, has simplified current hole machining process, has reduced cutter use quantity, has reduced the time of clamping, tool changing, has promoted processingquality, can improve production efficiency greatly, can make the field of cutter application wider through the setting of helicla flute simultaneously, and the helicla flute's design makes cutting portion sharper, and efficiency is higher, and the helicla flute can be easier carry out the chip removal, and the design through the edge makes the cutter when drilling, the aperture more accurate.
Description
Technical Field
The utility model relates to the technical field of hole machining, in particular to a cutter capable of machining front and back chamfers.
Background
The traditional hole machining and chamfering processes are carried out in a scattered way, and firstly, a cutter is needed to drill holes; then, a chamfering tool is used for chamfering the machined hole on one side, then the machined workpiece is turned over, the same chamfering tool is used for chamfering the hole on the other side, the working procedure is very complex, at least two tools are needed, namely, the step of tool changing exists, and time is greatly wasted.
Existing positive and negative chamfer compound drills, for example, patent: CN202110236026.6 discloses a composite cutter for quick-changing positive and negative chamfer angles of drill points, which adopts the following technical scheme: when the front and back chamfering blades penetrate through the outlet of the processing hole, the front and back chamfering blades are ejected out under the action of elasticity, and the front and back chamfering blades are processed reversely, so that reverse chamfering is realized; patent: CN202120850427.6 discloses a high-performance positive and negative chamfer compound drill, wherein the tool vertex angle of the tool bit section carries out rotary cutting on a workpiece, the tool vertex angle is optimized, the cutting requirement is met, along the entering direction of the tool bit, burrs or chamfers at the outlet of a hole are removed by the first chamfer and customization of the second chamfer angle, and burrs or chamfers at the inlet of the hole are removed by the second chamfer; patent CN201920049403.3 discloses a positive and negative chamfer compound cutter, which is added with a clearance cutter bar and a reverse chamfer cutting edge part, and after the aperture and the positive chamfer are machined, the machining content of the aperture reverse chamfer is continued under the conditions of not replacing the cutter and not rotating the workpiece; time and cutter cost can be effectively saved; although the positive and negative chamfer compound drills are many, the problem that the chip removal is faster when the positive and negative chamfer can be processed simultaneously exists.
Disclosure of Invention
In view of this, in order to solve the problem of how to enable faster chip removal when the front and back chamfer can be machined simultaneously, the present utility model proposes a tool capable of machining the front and back chamfer, comprising a shank portion 1, a neck portion 2 and a cutting portion, characterized in that: the cutting portion includes first cutting portion 3, second cutting portion 4, third cutting portion 5, and first cutting portion 3, second cutting portion 4, third cutting portion 5 all are equipped with two sets of, and one set of first cutting portion 3, second cutting portion 4, third cutting portion 5 one side and another set of be equipped with helicla flute 6 between the opposite side of first cutting portion 3, second cutting portion 4, third cutting portion 5, helicla flute 6 is close to first cutting portion 3 and is equipped with chip pocket 7, drills through first cutting portion 3, carries out chamfer processing of drill way one side through second cutting portion 4, carries out chamfer processing of drill way opposite side through third cutting portion 5, and the sweeps in the course of working pass through helicla flute 6 discharge, has simplified current hole processing procedure, has reduced cutter use quantity, has reduced clamping, the time of changing the sword, has promoted processingquality, can improve production efficiency greatly, and simultaneously through the setting up of helicla flute 6 can make the field of cutter application wider, and simultaneously the design of helicla flute 6 makes cutting portion more efficient, and the spiral can carry out the chamfer processing of drill way on one side, and the design of chip removal 14 is accurate when sharp edge more easily.
The utility model provides a cutter that can process positive and negative chamfer, includes stalk portion 1, neck 2 and cutting portion, its characterized in that: the cutting portion includes first cutting portion 3, second cutting portion 4, third cutting portion 5, and stalk portion 1, first cutting portion 3 link to each other through neck 2, the both ends of neck 2 are connected with second cutting portion 4, third cutting portion 5 respectively, second cutting portion 4, third cutting portion 5 set up and set up relatively for neck 2 slope, first cutting portion 3, second cutting portion 4, third cutting portion 5 all are equipped with two sets of, be equipped with helical groove 6 between one side of a set of first cutting portion 3, second cutting portion 4, third cutting portion 5 and another set of first cutting portion 3, second cutting portion 4, the opposite side of third cutting portion 5.
Further, one set of the first cutting portion 3, the second cutting portion 4 and the third cutting portion 5 is arranged centrally and symmetrically around the horizontal center line of the handle 1 with the other set of the first cutting portion 3, the second cutting portion 4 and the third cutting portion 5.
Further, the included angle between the spiral line of the spiral groove 6 and the horizontal center line of the handle 1 is 15-40 degrees, the application field of the cutter can be wider through the arrangement of the spiral groove 6, meanwhile, the cutting part is sharper due to the design of the spiral groove 6, the efficiency is higher, and the spiral can remove chips more easily.
In a preferred embodiment of the present utility model, the spiral groove 6 is provided with a chip groove 7 near the first cutting portion 3, and the chip is temporarily stored by the chip groove 7.
Further, the cutting portion includes: a cutting edge, a rake face, a first flank 8 and a second flank 9, a helical groove 6 being provided between the rake face of one set of cutting portions and the second flank 9 of the other set of cutting portions.
Further, the cutting edges comprise a first cutting edge, a second cutting edge and a third cutting edge, the first cutting edge comprises a main edge 10, a transition edge 11 and an inner edge 12, the main edge 10, the transition edge 11 and the inner edge 12 are sequentially connected, and the two groups of inner edges 12 are connected through a chisel edge 13.
Further, an edge 14 is connected to the end remote from the main edge 10, and the other end of the edge 14 is connected to the second cutting portion 4.
Further, the width of the edge 14 is 0.15-0.30mm, and the design of the edge 14 enables the aperture to be more accurate when the cutter drills.
In the preferred embodiment of the present utility model, a protective blade 15 is provided between the edge 14 and the main blade 10 to prevent the main blade 10 from collapsing.
Further, the maximum diameter of the third cutting edge is larger than the maximum diameter of the first cutting edge, which is larger than the maximum diameter of the second cutting edge, which is larger than the maximum diameter of the neck 2.
The beneficial effects of the utility model are as follows: the utility model provides a cutter capable of machining positive and negative chamfers, which comprises a handle part 1, a neck part 2 and a cutting part, and is characterized in that: the cutting portion includes first cutting portion 3, second cutting portion 4, third cutting portion 5, and first cutting portion 3, second cutting portion 4, third cutting portion 5 all are equipped with two sets of, and one set of first cutting portion 3, second cutting portion 4, third cutting portion 5 one side and another set of be equipped with helicla flute 6 between the opposite side of first cutting portion 3, second cutting portion 4, third cutting portion 5, helicla flute 6 is close to first cutting portion 3 and is equipped with chip pocket 7, drills through first cutting portion 3, carries out chamfer processing of drill way one side through second cutting portion 4, carries out chamfer processing of drill way opposite side through third cutting portion 5, and the sweeps in the course of working pass through helicla flute 6 discharge, has simplified current hole processing procedure, has reduced cutter use quantity, has reduced clamping, the time of changing the sword, has promoted processingquality, can improve production efficiency greatly, and simultaneously through the setting up of helicla flute 6 can make the field of cutter application wider, and simultaneously the design of helicla flute 6 makes cutting portion more efficient, and the spiral can carry out the chamfer processing of drill way on one side, and the design of chip removal 14 is accurate when sharp edge more easily.
Drawings
Fig. 1 is an overall configuration diagram of a tool capable of machining a front and back chamfer according to the present embodiment.
Fig. 2 is a side view of a first cutting portion of the tool capable of machining the front and back chamfer according to the present embodiment.
Fig. 3 is a block diagram of a first cutting portion of a tool capable of machining a front and back chamfer in the present embodiment.
Fig. 4 is a block diagram of chamfering performed by the third cutting portion of the tool capable of machining the front and back chamfer according to the present embodiment.
Fig. 5 is a block diagram of chamfering the second cutting portion of the tool capable of machining the front and back chamfer according to the present embodiment.
Description of the main reference signs
| Handle portion | 1 |
| Neck portion | 2 |
| First cutting portion | 3 |
| A second cutting part | 4 |
| Third cutting portion | 5 |
| Spiral groove | 6 |
| Chip pocket | 7 |
| First relief surface | 8 |
| Second flank surface | 9 |
| Main blade | 10 |
| Transition blade | 11 |
| Inner edge | 12 |
| Chisel edge | 13 |
| Edge of edge | 14 |
| Protective knife edge | 15 |
The utility model will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
As shown in fig. 1, the whole structure diagram of the tool capable of machining the front and back chamfer angles according to the present embodiment is shown; as shown in fig. 2, the side view of the first cutting portion of the tool capable of machining the front and back chamfer according to the present embodiment is structured.
The utility model provides a cutter that can process positive and negative chamfer, includes stalk portion 1, neck 2 and cutting portion, its characterized in that: the cutting part comprises a first cutting part 3, a second cutting part 4 and a third cutting part 5, the handle 1 and the first cutting part 3 are connected through a neck 2, the two ends of the neck 2 are respectively connected with the second cutting part 4 and the third cutting part 5, the second cutting part 4 and the third cutting part 5 are obliquely arranged relative to the neck 2 and oppositely arranged, the first cutting part 3, the second cutting part 4 and the third cutting part 5 are respectively provided with two groups, and a spiral groove 6 is formed between one side of one group of the first cutting part 3, the second cutting part 4 and the third cutting part 5 and the other side of the other group of the first cutting part 3, the second cutting part 4 and the third cutting part 5; the contained angle between the helix of helicla flute 6 and the horizontal central line of stalk portion 1 is 15 ~ 40, can make the field of cutter application wider through the setting of helicla flute 6, and the design of helicla flute 6 makes cutting portion sharper simultaneously, and efficiency is higher, and the helicla can be easier carry out the chip removal, helicla flute 6 is close to first cutting portion 3 and is equipped with chip pocket 7, carries out a temporary storage to the chad through chip pocket 7, and cutting portion includes: a cutting edge, a rake face, a first flank 8 and a second flank 9, a helical groove 6 being provided between the rake face of one set of cutting portions and the second flank 9 of the other set of cutting portions.
The cutting edges comprise a first cutting edge, a second cutting edge and a third cutting edge, the first cutting edge comprises a main edge 10, a transition edge 11 and an inner edge 12, the main edge 10, the transition edge 11 and the inner edge 12 are sequentially connected, and the two groups of inner edges 12 are connected through a chisel edge 13.
The end remote from the main edge 10 is connected to an edge 14, and the other end of the edge 14 is connected to the second cutting portion 4.
The width of the edge 14 is 0.15-0.30mm, and the design of the edge 14 ensures that the aperture is more accurate when the cutter drills.
A protective knife edge 15 is arranged between the edge 14 and the main blade 10 and is used for preventing the main blade 10 from collapsing.
The maximum diameter of the third cutting edge is larger than the maximum diameter of the first cutting edge, which is larger than the maximum diameter of the second cutting edge, which is larger than the maximum diameter of the neck 2.
As shown in fig. 3, the first cutting part of the tool capable of machining the front and back chamfer angles according to the present embodiment is a structure diagram for drilling holes; as shown in fig. 4, the third cutting part of the tool capable of machining the front and back chamfer of the present embodiment is a structural diagram for chamfering; as shown in fig. 5, the second cutting portion of the tool capable of machining the front and back chamfer of the present embodiment is a structural diagram for chamfering.
The working principle of the utility model is as follows: the utility model provides a cutter capable of machining positive and negative chamfer angles, which is characterized in that a first cutting part 3 is used for finishing machining the inner hole size of a workpiece to be machined, then the workpiece to be machined rapidly passes through a neck part 2, a third cutting part 5 is used for machining the chamfer angle of one side hole of the workpiece, and then a lifting cutter is used for machining the chamfer angle of the other side hole of the workpiece through the rotation of a second cutting part 4.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (9)
1. The utility model provides a cutter that can process positive and negative chamfer, includes stalk portion (1), neck (2) and cutting portion, its characterized in that: the cutting portion includes first cutting portion (3), second cutting portion (4), third cutting portion (5), and stalk portion (1), first cutting portion (3) link to each other through neck (2), the both ends of neck (2) are connected with second cutting portion (4), third cutting portion (5) respectively, second cutting portion (4), third cutting portion (5) set up and set up relatively for neck (2) slope, first cutting portion (3), second cutting portion (4), third cutting portion (5) all are equipped with two sets of, one side and the other of a set of first cutting portion (3), second cutting portion (4), third cutting portion (5) are equipped with helical groove (6) between the opposite side of first cutting portion (3), second cutting portion (4), third cutting portion (5), and the contained angle between helical line of helical groove (6) and the horizontal center line of stalk portion (1) is 15 ° -40 °.
2. The tool capable of machining positive and negative chamfer angles according to claim 1, wherein: wherein, a group of first cutting part (3), second cutting part (4), third cutting part (5) and another group of first cutting part (3), second cutting part (4), third cutting part (5) all set up around the horizontal central line central symmetry of stalk portion (1).
3. The tool capable of machining positive and negative chamfer angles according to claim 1, wherein: the spiral groove (6) is provided with a chip groove (7) close to the first cutting part (3), and the chip groove (7) is used for temporarily storing the hole chips.
4. The tool capable of machining positive and negative chamfer angles according to claim 1, wherein: the cutting portion includes: the cutting tool comprises a cutting edge, a rake face, a first flank (8) and a second flank (9), wherein a spiral groove (6) is arranged between the rake face of one group of cutting parts and the second flank (9) of the other group of cutting parts.
5. The tool capable of machining positive and negative chamfer angles according to claim 4, wherein: the cutting edges all include first cutting edge, second cutting edge and third cutting edge, first cutting edge includes main sword (10), transition sword (11), interior sword (12), and main sword (10), transition sword (11), interior sword (12) connect gradually, two sets of interior sword (12) are connected through chisel edge (13).
6. The tool capable of machining positive and negative chamfer angles according to claim 5, wherein: one end far away from the main blade (10) is connected with an edge (14), and the other end of the edge (14) is connected with the second cutting part (4).
7. The tool capable of machining positive and negative chamfer angles according to claim 6, wherein: the width of the edge (14) is 0.15-0.30mm, and the design of the edge (14) ensures that the aperture is more accurate when the cutter drills.
8. The tool capable of machining positive and negative chamfer angles according to claim 7, wherein: a protective knife edge (15) is arranged between the edge (14) and the main blade (10) and is used for preventing the main blade (10) from collapsing.
9. The tool capable of machining positive and negative chamfer angles according to claim 5, wherein: the maximum diameter of the third cutting edge is larger than the maximum diameter of the first cutting edge, which is larger than the maximum diameter of the second cutting edge, which is larger than the maximum diameter of the neck (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221001874.5U CN219986322U (en) | 2022-04-27 | 2022-04-27 | Cutter capable of machining positive and negative chamfers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221001874.5U CN219986322U (en) | 2022-04-27 | 2022-04-27 | Cutter capable of machining positive and negative chamfers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219986322U true CN219986322U (en) | 2023-11-10 |
Family
ID=88619041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221001874.5U Active CN219986322U (en) | 2022-04-27 | 2022-04-27 | Cutter capable of machining positive and negative chamfers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219986322U (en) |
-
2022
- 2022-04-27 CN CN202221001874.5U patent/CN219986322U/en active Active
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| GR01 | Patent grant |