CN207857918U - A kind of taper-hole processing cutter - Google Patents
A kind of taper-hole processing cutter Download PDFInfo
- Publication number
- CN207857918U CN207857918U CN201820031248.8U CN201820031248U CN207857918U CN 207857918 U CN207857918 U CN 207857918U CN 201820031248 U CN201820031248 U CN 201820031248U CN 207857918 U CN207857918 U CN 207857918U
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- CN
- China
- Prior art keywords
- blade
- cutter
- taper
- cutter hub
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of taper-hole processing cutter is related to machining tool technical field, and it is low that there are service lifes for solving the problems, such as the cutter existing in the prior art for processing taper hole.A kind of taper-hole processing cutter, including handle of a knife, cutter hub and several blades, the cutter hub is connected on the handle of a knife, the cutter hub is in small top and big bottom taper, it is set on the cutter hub there are two insert groove, each insert groove is axisymmetricly distributed about the axis of rotation of cutter hub, and the insert groove includes blade face and clearance surface, each blade is separately positioned in the blade face, and each blade in different blade faces mutually staggers.Advantageous effect is can to improve cutting-tool's used life.
Description
Technical field
The utility model is related to machining tool technical field, specifically a kind of taper-hole processing cutter.
Background technology
In previous cone hole machine, after processing taper hole bottom outlet with drill bit, with whole high-speed steel or alloy taper reamer
It is slightly cut with scissors and is partly finish reamed.Due in the tooling step, workpiece being processed into taper hole by straight hole or stepped hole, chipping allowance is larger
And it is uneven, cutter concentrated wear is serious, and total consumption is larger, causes process processing cost high.Due to standard cutter
Chip pocket is shallower, and a large amount of iron filings discharge for processing generation is more difficult, is scratched more to the finished surface of workpiece in process
Seriously, while high-speed cutting, processing efficiency can not be used slower.
So the cutter in the prior art for processing taper hole has that service life is low.
Utility model content
The purpose of this utility model is to provide a kind of taper-hole processing cutters, for solving existing in the prior art be used for
The cutter of processing taper hole has that service life is low.
The technical solution adopted by the utility model to solve its technical problems is that：
A kind of taper-hole processing cutter, including handle of a knife, cutter hub and several blades, the cutter hub are connected on the handle of a knife,
The cutter hub is in small top and big bottom taper, sets that there are two insert grooves on the cutter hub, and each insert groove is about cutter hub
Axis of rotation is axisymmetricly distributed, and the insert groove includes blade face and clearance surface, and each blade is separately positioned on the knife
On unilateral, each blade in different blade faces mutually staggers.
Further, the upper end of each insert groove is respectively equipped with spout, and the upper end of the handle of a knife is equipped with cutter inner cooling hole,
Each spout is connected to cutter inner cooling hole respectively.
Further, the direction of each spout is respectively parallel to the axis of rotation of the cutter hub.
Further, the axis of the cutter inner cooling hole is overlapped with the axis of rotation of the cutter hub, for being connected in cutter
Cold hole and the pipeline of each spray orifice are axisymmetricly distributed about the axis of cutter inner cooling hole.
Further, the upper end of each clearance surface is respectively provided with dust lead face, and dust lead face is arranged in arc-shaped bend, dust lead
The upper end in face and the excircle of cutter hub connect.
Further, each blade is connected to by blade screw in the blade face respectively.
Further, the blade pit of the embedded blade is respectively provided in each blade face, the blade connects
It is connected in the blade pit.
Further, the blade face in the same insert groove and the angle between clearance surface are 80 °~110 °.
The utility model has the beneficial effects that：
A kind of taper-hole processing cutter provided by the utility model, the utility model are incited somebody to action by the way that two insert grooves are arranged
The two insert grooves according to the axis of rotation about cutter hub axisymmetricly, by the way that blade face and clearance surface is arranged, by each blade
It is arranged in blade face, and each blade in different blade faces mutually staggers, in process, is located at two knives
The reaction force of the cutting force of the cutting edge of each blade on film trap can be supported mutually and be cut, and eliminated cutting force to cutter hub drag, made
Cutter hub does not generate flexural deformation in process, to play the technical role of protection cutter, to solve in the prior art
The existing cutter life low problem for processing taper hole.Meanwhile the above-mentioned technical characteristic of the utility model can also be protected
The consistency that taper busbar is required with technology is demonstrate,proved, the precision of cone hole machine is improved, improves the processing quality of product.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the A direction views of Fig. 1；
Fig. 3 is the B-B cross section views of Fig. 2；
In figure：1 handle of a knife, 2 cutter hubs, 3 blades, 4 insert grooves, 5 blade faces, 6 clearance surfaces, 7 spouts, 8 cutter inner cooling holes, 9 lead
Bits face, 10 blade screws, 11 blade pits.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained without making creative work, all
Belong to the range of the utility model protection.
For convenience the utility model is described, define handle of a knife where one end be "upper", define cutter hub where
One end is "lower", the definition for "up" and "down", merely for convenience that the utility model is described, and can not conduct
A kind of limitation to the utility model protection.
As shown in Figure 1 to Figure 3, the utility model includes that handle of a knife 1, cutter hub 2 and several blades 3, cutter hub 2 are connected to handle of a knife
On 1, handle of a knife 1 is used to be connected to the driving mechanism for driving the utility model to rotate.Cutter hub 2 is in small top and big bottom cone
Shape is set on cutter hub 2 there are two insert groove 4, and each insert groove 4 is axisymmetricly distributed about the axis of rotation of cutter hub 2.
As shown in Figure 1 to Figure 3, insert groove 4 includes blade face 5 and clearance surface 6, and each blade 3 is separately positioned on the blade
On face 5.Each blade in different blade faces 5 mutually staggers, such as the blade being located in one of in blade face and position
It is offset from each other in the position of the blade in another blade face in the up-down direction.
As shown in Figure 1 to Figure 3, the upper end of each insert groove 4 is respectively equipped with spout 7, and the upper end of handle of a knife 1 is equipped with cutter inner cooling hole
8, each spout 7 is connected to cutter inner cooling hole 8 respectively.The direction of each spout 7 is respectively parallel to the axis of rotation of cutter hub 2.
As shown in Figure 1 to Figure 3, the axis of cutter inner cooling hole 8 is overlapped with the axis of rotation of cutter hub 2, for being connected in cutter
Cold hole 8 and the pipeline of each spray orifice are axisymmetricly distributed about the axis of cutter inner cooling hole.
As shown in Figure 1 to Figure 3, the upper end of each clearance surface 6 is respectively provided with dust lead face 9, and dust lead face 9 is set in arc-shaped bend
It sets, the upper end in dust lead face 9 is connect with the excircle of cutter hub 2.Each blade 3 is connected to by blade screw 10 in blade face 5 respectively.
The blade pit 11 of embedded blade 3 is respectively provided in each blade face 5, blade 3 is connected in blade pit 11.Positioned at same
Angle between blade face 5 in insert groove 4 and clearance surface 6 is 80 °~110 °.
As shown in Figure 1 to Figure 3, the utility model by be arranged two insert grooves 4, and by the two insert grooves 4 according to
Axisymmetricly, by the way that blade face 5 and clearance surface 6 is arranged, each blade 3 is arranged in blade face 5 for axis of rotation about cutter hub 2
On, and each blade 3 in different blade faces 5 mutually staggers, and in process, is located on two insert grooves 4
The reaction force of the cutting force of the cutting edge of each blade 3 can be supported mutually and be cut, and eliminate cutting force to cutter hub drag, cutter hub is made to add
Flexural deformation is not generated during work, to play the technical role of protection cutter, to solve use existing in the prior art
In the problem that the cutter life of processing taper hole is low.Meanwhile the above-mentioned technical characteristic of the utility model also ensures taper mother
The consistency that line is required with technology, improves the precision of cone hole machine, improves the processing quality of product.
As shown in Figure 1 to Figure 3, the utility model is by being arranged cutter inner cooling hole 8 and spray orifice 7, during cone hole machine,
Coolant liquid is passed through from cutter inner cooling hole 8, coolant liquid can not only cool down cutter and workpieces processing, while can also be to work
The taper hole generation of part is washed away, and is timely discharged from taper hole to be conducive to chip, chip is avoided to cause to draw to the inner wall of taper hole
Wound ensures the quality of the processing to workpiece.The direction of spout 7 and the axis of rotation of conductor 2 are mutually parallel, this can be further
Coolant liquid is improved to the effect of the cleaning of chip, further improves the quality of the utility model workpieces processing.The utility model
By the way that dust lead face 9 is arranged, chip is formed and is guided, to be conducive to the timely discharge of chip, to further avoid chip
Workpiece to be machined is formed and is scratched, further improves the quality of the utility model workpieces processing, while also being formed and being protected to cutter
Shield, further improves cutting-tool's used life.
As shown in Figure 1 to Figure 3, the blade 3 in the utility model is installed by blade screw 10, convenient to blade 3
Dismounting work is carried out, so that advantageous staff is dismounted to the utility model and maintenance work, it is new to improve this practicality
The service life of type.The utility model plays protection blade 3 by the way that insertion work of the realization of blade pit 11 to blade 3 is arranged
Effect, further improve the service life of the utility model.Also it is avoided that blade 3 is sent out during processing taper hole simultaneously
Raw sliding or rotation relative to cutter hub 2 improves the quality of production to be conducive to improve the precision to cone hole machine.This practicality
The novel angle by being arranged between blade face 5 and clearance surface 6 is 80 °~110 °, is ensureing cone hole machine efficiency and quality
Under the premise of can improve the rate of chip discharge.
Claims (8)
1. a kind of taper-hole processing cutter, characterized in that including handle of a knife, cutter hub and several blades, the cutter hub is connected to described
On handle of a knife, the cutter hub is in small top and big bottom taper, is set on the cutter hub there are two insert groove, each insert groove about
The axis of rotation of cutter hub is axisymmetricly distributed, and the insert groove includes blade face and clearance surface, and each blade is separately positioned on
In the blade face, each blade in different blade faces mutually staggers.
2. a kind of taper-hole processing cutter according to claim 1, characterized in that the upper end of each insert groove is respectively equipped with
The upper end of spout, the handle of a knife is equipped with cutter inner cooling hole, and each spout is connected to cutter inner cooling hole respectively.
3. a kind of taper-hole processing cutter according to claim 2, characterized in that the direction of each spout is respectively parallel to
The axis of rotation of the cutter hub.
4. a kind of taper-hole processing cutter according to claim 3, characterized in that the axis of the cutter inner cooling hole with it is described
The axis of rotation of cutter hub overlaps, and the pipeline for being connected to cutter inner cooling hole with each spray orifice is in axis about the axis of cutter inner cooling hole
It is symmetrical.
5. a kind of taper-hole processing cutter according to claim 1, characterized in that the upper end of each clearance surface is respectively provided with
Dust lead face, dust lead face are arranged in arc-shaped bend, and the upper end in dust lead face and the excircle of cutter hub connect.
6. a kind of taper-hole processing cutter according to claim 1, characterized in that each blade passes through blade screw respectively
It is connected in the blade face.
7. a kind of taper-hole processing cutter according to claim 6, characterized in that be respectively provided in each blade face
The blade pit of the embedded blade, the blade are connected in the blade pit.
8. a kind of taper-hole processing cutter according to claim 1, characterized in that the blade being located in the same insert groove
Angle between face and clearance surface is 80 °~110 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820031248.8U CN207857918U (en) | 2018-01-08 | 2018-01-08 | A kind of taper-hole processing cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820031248.8U CN207857918U (en) | 2018-01-08 | 2018-01-08 | A kind of taper-hole processing cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207857918U true CN207857918U (en) | 2018-09-14 |
Family
ID=63465103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820031248.8U Ceased CN207857918U (en) | 2018-01-08 | 2018-01-08 | A kind of taper-hole processing cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207857918U (en) |
-
2018
- 2018-01-08 CN CN201820031248.8U patent/CN207857918U/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20200108 |
|
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20200520 Decision number of declaring invalidation: 44459 Granted publication date: 20180914 |