CN207358293U - A kind of gear hob - Google Patents
A kind of gear hob Download PDFInfo
- Publication number
- CN207358293U CN207358293U CN201721210929.2U CN201721210929U CN207358293U CN 207358293 U CN207358293 U CN 207358293U CN 201721210929 U CN201721210929 U CN 201721210929U CN 207358293 U CN207358293 U CN 207358293U
- Authority
- CN
- China
- Prior art keywords
- gear hob
- cutter
- cutter head
- mounting hole
- support rib
- 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 gear hob.The cutter head for mainly solving present gear hob is simply mounted on cutter hub mostly, easily occurs the problem of displacement is rocked when in use.The utility model provides a kind of gear hob, and what its cutter head can change is installed on cutter hub, and improves positioning accuracy by jagged protrusion, and anti-sliding stop, improves the reliability of processing, simple in structure, changes conveniently, can install different cutter heads according to demand；Further, its negative rake is 20 ° to 30 °, improves the anti-impact force in working angles, and using effect is more preferable.
Description
Technical field
The utility model is specifically related to a kind of gear hob.
Background technology
Gear hob is a kind of cutter that straight-tooth and helical gears are processed by the helical gear theory of engagement.
The cutter head of present gear hob is simply mounted on cutter hub mostly, easily occurs displacement rolling when in use
It is dynamic.
Utility model content
In order to overcome the shortcomings of background technology, the utility model provides a kind of gear hob, mainly solves present gear
The cutter head of hobboing cutter is simply mounted on cutter hub mostly, easily occurs the problem of displacement is rocked when in use.
Technical solution is used by the utility model：
A kind of gear hob, including cutter hub, the cutter hub peripheral surface are evenly equipped with some support ribs, and the support rib is along institute
The extension of cutter hub axial direction is stated, is removably connected with some cutter heads on the support rib, the cutter head is equipped with blade, the branch
Support rib is equipped with some jagged protrusions, and the cutter head back is equipped with the first groove coordinated with the projection contacts.
The beneficial effects of the utility model are：The utility model provides a kind of gear hob, the peace that its cutter head can change
Positioning accuracy is improved on cutter hub, and by jagged protrusion, and anti-sliding stop, improves the reliability of processing, structure letter
It is single, change conveniently, different cutter heads can be installed according to demand；Further, its negative rake is 20 ° to 30 °, and raising was cut
Anti-impact force in journey, using effect are more preferable.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the utility model one embodiment.
Fig. 2 is the enlarged diagram at A in Fig. 1.
Fig. 3 is the schematic perspective view of the cutter head of the utility model one embodiment.
Fig. 4 is the schematic side view of the cutter head of the utility model one embodiment.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：As shown in the figure, a kind of gear hob, including cutter hub 1,
The cutter hub peripheral surface is evenly equipped with some support ribs 2, and the support rib extends along the cutter hub axial direction, the support rib
Some cutter heads 3 are removably connected with 2, the cutter head is equipped with blade 31, and the support rib is equipped with some jagged convex
21 are played, the cutter head back is equipped with the first groove 32 coordinated with the projection contacts.When installation, cutter head is correspondingly arranged
One of on support rib, then protrusion is installed in place with the first groove to upper by screw, optionally, herein
Can be by mounting means such as clamping, snappings, as preference, being connected using screw, by the first mounting hole and the second mounting hole
It is easier for installation to being installed by screw after upper.
In the present embodiment, as shown in the figure, the cutter head is equipped with the first mounting hole 33, on the support rib with institute
State the first mounting hole and be equipped with the second mounting hole 22, further include trip bolt, the trip bolt through first mounting hole with
Second mounting hole is threadedly coupled.
In the present embodiment, as shown in the figure, the negative rake a of the cutter hub is 20 ° ~ 30 °.Cutting force bigger, improves cutting
During anti-impact force, it is possible to achieve gear hobbing process also can firmly scraping teeth process.
In the present embodiment, as shown in the figure, the support rib is equipped with some boss 23, second mounting hole is arranged on institute
Boss front end face is stated, the boss top is concordant with the top of the cutter head.It is compact-sized, it is more convenient to use.
In the present embodiment, as shown in the figure, the support rib back is equipped with the first groove 26, the adjacent cutter head bottom
Portion is arranged in first groove and is engaged by clamping with first groove.Strengthen limit effect, operation is more steady.
In the present embodiment, as shown in the figure, the front end face of the cutter head is equipped with the second groove 34.Convenient cutting.
Embodiment is not construed as the limitation to the utility model, but changing of being made of any spirit based on the utility model
Into all should be within the scope of protection of the utility model.
Claims (6)
1. a kind of gear hob, including cutter hub（1）, it is characterised in that：The cutter hub peripheral surface is evenly equipped with some support ribs
（2）, the support rib extends along the cutter hub axial direction, the support rib（2）On be removably connected with some cutter heads（3）,
The cutter head is equipped with blade（31）, the support rib is equipped with some jagged protrusions（21）, the cutter head back is equipped with
The first groove coordinated with the projection contacts（32）.
A kind of 2. gear hob according to claim 1, it is characterised in that：The cutter head is equipped with the first mounting hole
（33）, the second mounting hole is equipped with first mounting hole on the support rib（22）, further include trip bolt（4）, it is described tight
Gu screw is threadedly coupled through first mounting hole with second mounting hole.
A kind of 3. gear hob according to claim 1, it is characterised in that：The negative rake a of the cutter hub is 20 ° ~ 30 °.
A kind of 4. gear hob according to claim 2, it is characterised in that：The support rib is equipped with some boss
（23）, second mounting hole is arranged on the boss front end face, concordant with cutter head top at the top of the boss.
A kind of 5. gear hob according to claim 1, it is characterised in that：The support rib back is equipped with the first groove
（26）, the adjacent cutter head bottom is arranged in first groove and is engaged by clamping with first groove.
A kind of 6. gear hob according to claim 1, it is characterised in that：The front end face of the cutter head is equipped with the second groove
（34）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721210929.2U CN207358293U (en) | 2017-09-21 | 2017-09-21 | A kind of gear hob |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721210929.2U CN207358293U (en) | 2017-09-21 | 2017-09-21 | A kind of gear hob |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207358293U true CN207358293U (en) | 2018-05-15 |
Family
ID=62348842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721210929.2U Active CN207358293U (en) | 2017-09-21 | 2017-09-21 | A kind of gear hob |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207358293U (en) |
-
2017
- 2017-09-21 CN CN201721210929.2U patent/CN207358293U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |