CN203556968U - Worm gear hob - Google Patents
Worm gear hob Download PDFInfo
- Publication number
- CN203556968U CN203556968U CN201320690820.9U CN201320690820U CN203556968U CN 203556968 U CN203556968 U CN 203556968U CN 201320690820 U CN201320690820 U CN 201320690820U CN 203556968 U CN203556968 U CN 203556968U
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- CN
- China
- Prior art keywords
- exhaust
- worm gear
- holes
- hob
- chip pocket
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a cutting tool, and particularly relates to a worm gear hob. The worm gear hob comprises a front section worm, a hob body and a rear section worm, wherein a chip pocket is formed in the hob body. A cylindrical air inflation channel is formed inside the front section worm and the hob body; a plurality of exhaust through holes are axially formed in the bottom of the chip pocket; the air inflation channel is communicated with the exhaust through holes; filter screens are arranged at openings of the exhaust through holes. The worm gear hob smoothly discharges chips from the chip pocket through external charged air flow via the air inflation channel and the exhaust through holes, has good chip removal and heat dissipation effects, and can solve the problem that chips drops into the exhaust through holes, so air flow obstruction is caused due to the arranged filter screens.
Description
Technical field
The utility model relates to a kind of cutting tool, relates in particular to a kind of worm gear hob.
Background technology
When using the workpiece such as hobboing cutter machining gears, sprocket wheel, usually can occur tooth-face roughness high, the defect such as pull, thereby cause waste product or defective work.The reason that occurs this phenomenon is that chip removal is not smooth in process, and in cutting blade and chip pocket, a large amount of smear metals of deposition, form built-up edge.Conventional solution is in rolling cut process, to adopt the good cutting fluid of greasy property, is fully cast in cutting region and chip pocket, and bulk and broken little powder smear metal are discharged along chip pocket, avoids producing built-up edge.But using cutting fluid usually to have the problems such as bacteria breed, maintenance is complicated, various in style, cost is expensive, chip removal and heat dispersion also cannot reach perfect condition.
Utility model content
Technical problem to be solved in the utility model is to overcome the problems referred to above, and provide a kind of and be convenient to chip removal, good worm gear hob dispels the heat.
The technical solution of the utility model is:
A kind of worm gear hob, include leading portion worm screw, hobboing cutter body and back segment worm screw, hobboing cutter body is provided with chip pocket, it is characterized in that: described leading portion worm screw and hobboing cutter body inside have the filling channel of a column type, the bottom of described chip pocket has multiple exhaust holes vertically, and described filling channel and exhaust hole are interconnected; Described exhaust hole opening part is provided with screen pack.
The beneficial effects of the utility model are: the air stream that the utility model worm gear hob is filled with by outside, by filling channel and exhaust hole, smear metal is discharged smoothly from chip pocket, and played good chip removal radiating effect; The screen pack that is simultaneously positioned at exhaust hole opening part can avoid smear metal to drop to exhaust hole and the airflow obstruction that causes.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model worm gear hob.
Fig. 2 is the partial schematic diagram of the utility model worm gear hob.
Fig. 3 is the axial cutaway view of the utility model worm gear hob.
The specific embodiment
Now by reference to the accompanying drawings the utility model is further described:
As shown in Figure 1, Figure 2, Figure 3 shows, in a specific embodiment of the present utility model, this worm gear hob comprises leading portion worm screw 1, hobboing cutter body 2 and back segment worm screw 3, is distributed with many chip pockets 21 on hobboing cutter body 2.Described leading portion worm screw 1 and hobboing cutter body 2 inside have the filling channel 4 of a column type, and the bottom of described chip pocket 21 has multiple exhaust holes 22 vertically, and described filling channel 4 is interconnected with exhaust hole 22.Additional air stream is filled with from leading portion worm screw 1 opening part, enters into filling channel 4 inside, discharges, thereby take away the smear metal in chip pocket 21 from exhaust hole 22.Described exhaust hole 22 opening parts are provided with one deck screen pack, can avoid smear metal to drop to exhaust hole 22, cause airflow obstruction, chip removal not smooth.
Basic principle of the present utility model is the pressure of the air stream that is filled with by outside, by the filling channel 4 and the exhaust hole 22 that are interconnected, along with air-flow is discharged smear metal smoothly from one end of chip pocket 21; The setting of combined filtering net simultaneously, avoids airflow obstruction and smear metal deposition largely, has realized good chip removal radiating effect.Adopt the worm gear hob of this version not only to solve the chip removal difficult problem in working angles, chip removal is abundant, has improved operating efficiency, and easy and simple to handle, reduces gear hobbing processing cost.
Claims (1)
1. a worm gear hob, include leading portion worm screw, hobboing cutter body and back segment worm screw, hobboing cutter body is provided with chip pocket, it is characterized in that: described leading portion worm screw and hobboing cutter body inside have the filling channel of a column type, the bottom of described chip pocket has multiple exhaust holes vertically, and described filling channel and exhaust hole are interconnected; Described exhaust hole opening part is provided with screen pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320690820.9U CN203556968U (en) | 2013-11-05 | 2013-11-05 | Worm gear hob |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320690820.9U CN203556968U (en) | 2013-11-05 | 2013-11-05 | Worm gear hob |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203556968U true CN203556968U (en) | 2014-04-23 |
Family
ID=50506719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320690820.9U Expired - Fee Related CN203556968U (en) | 2013-11-05 | 2013-11-05 | Worm gear hob |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203556968U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355427A (en) * | 2019-07-19 | 2019-10-22 | 重庆交通大学 | Gear shaver |
| CN112548231A (en) * | 2020-12-01 | 2021-03-26 | 浙江上优刀具有限公司 | Self-cooled hob capable of preventing cuttings from remaining |
| CN113210753A (en) * | 2021-05-17 | 2021-08-06 | 浙江上优刀具有限公司 | Straight flute hobbing cutter that can clear up chip groove automatically |
-
2013
- 2013-11-05 CN CN201320690820.9U patent/CN203556968U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355427A (en) * | 2019-07-19 | 2019-10-22 | 重庆交通大学 | Gear shaver |
| CN112548231A (en) * | 2020-12-01 | 2021-03-26 | 浙江上优刀具有限公司 | Self-cooled hob capable of preventing cuttings from remaining |
| CN112548231B (en) * | 2020-12-01 | 2022-04-29 | 南京迈森智能装备有限公司 | Self-cooled hob capable of preventing cuttings from remaining |
| WO2022116501A1 (en) * | 2020-12-01 | 2022-06-09 | 浙江上优刀具有限公司 | Self-cooling hob capable of preventing chips from remaining |
| CN113210753A (en) * | 2021-05-17 | 2021-08-06 | 浙江上优刀具有限公司 | Straight flute hobbing cutter that can clear up chip groove automatically |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140423 Termination date: 20161105 |