CN203956249U - Double tapered internal expanding gear-hobbing clamp - Google Patents
Double tapered internal expanding gear-hobbing clamp Download PDFInfo
- Publication number
- CN203956249U CN203956249U CN201420382952.XU CN201420382952U CN203956249U CN 203956249 U CN203956249 U CN 203956249U CN 201420382952 U CN201420382952 U CN 201420382952U CN 203956249 U CN203956249 U CN 203956249U
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- China
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- conus portion
- clamp
- pushing block
- clamp body
- internal expanding
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Abstract
The utility model provides a kind of double tapered internal expanding gear-hobbing clamp, belongs to clamp technology field.It has solved the problem that existing internal expanding fixture can not be processed two workpiece simultaneously.This double tapered internal expanding gear-hobbing clamp, comprise clamp body and be sheathed on the locating piece on clamp body, one side of clamp body has axially extended axis body, on axis body, there is the inclination conus portion one towards axis body outer end, the front end of conus portion one has guide part, on guide part, be arranged with the inner cone pushing block being driven by a hydraulic pressure draw-bar, on inner cone pushing block, there is the conus portion two being oppositely arranged with conus portion one, between inner cone pushing block and clamp body, be provided with expansion sleeve, the inner side of expansion sleeve is provided with the spreading groove one coordinating with conus portion one and the spreading groove two coordinating with conus portion two, spreading groove one and spreading groove two lay respectively at the two ends of expansion sleeve.The utility model can be processed two workpiece simultaneously, have applied widely, be easy to the advantages such as dismounting.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of gear-hobbing clamp, particularly a kind of double tapered internal expanding gear-hobbing clamp.
Background technology
Gear-hobbing machine is a kind of in gear cutting machine, with gear-hobbing machine, to adding man-hour as the sleeve workpiece of gear carries out gear hobbing, mostly adopts and a kind of gear-hobbing clamp is carried out to clamping to gear fixes.This gear-hobbing clamp comprises that one end is provided with the mandrel of positioning table, and the other end of this mandrel is provided with one section of thread spindle, at thread spindle, is coated with nut outward.During clamping, first mandrel was installed to bore, a side end face of gear and the upper surface of positioning table are connected, and by the nut on threaded together axle, gear was carried out to clamping and fix; Then the lower end of main mandrel is clamped by the base assembly being contained on workbench, then carry out gear hobbing processing after the upper end centre hole of mandrel being held out against with gear-hobbing machine tailstock centre.In use there is following deficiency in this gear-hobbing clamp: this gear-hobbing clamp versatility is poor, the gear of processing different endoporus will be equipped with the different mandrels matching with the endoporus of gear that is provided with, and this mandrel needs to forge, and the production cycle is long, workload is large, cost is also high, if the endoporus of gear strengthens, the mandrel matching with it also strengthens thereupon, and then cost is higher, cause production efficiency low, the delivery cycle is long, and production cost is high.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, proposed a kind of applied widely, be easy to dismounting double tapered internal expanding gear-hobbing clamp.
The purpose of this utility model can realize by following technical proposal:
This double tapered internal expanding gear-hobbing clamp, comprise clamp body and be sheathed on the locating piece on clamp body, one side of described clamp body has axially extended axis body, on described axis body, there is the inclination conus portion one towards axis body outer end, the front end of described conus portion one has guide part, it is characterized in that, on described guide part, be arranged with the inner cone pushing block being driven by a hydraulic pressure draw-bar, on described inner cone pushing block, there is the conus portion two being oppositely arranged with above-mentioned conus portion one, between described inner cone pushing block and clamp body, be provided with expansion sleeve, the inner side of described expansion sleeve is provided with the spreading groove one coordinating with conus portion one and the spreading groove two coordinating with conus portion two, described spreading groove one and spreading groove two lay respectively at the two ends of expansion sleeve.
When work, hydraulic pressure draw-bar promotes inner cone pushing block and moves to clamp body direction, in the spreading groove two of spreading expansion sleeve, produce axial thrust load, promoting expansion sleeve moves to clamp body direction, expansion sleeve open groove one by conus portion one spreading, when the upper lower shaft power that is subject to when expansion sleeve is consistent, what drive hydraulic push rod action keeps balance from equipped hydraulic.
In above-mentioned double tapered internal expanding gear-hobbing clamp, between described guide part and conus portion one, be provided with positioning step, described positioning step is provided with the bolster of being made by padded coaming.The effect of this bolster is to prevent from that inner cone pushing block translational speed is too fast to cause the conus portion two on inner cone pushing block impaired.
In above-mentioned double tapered internal expanding gear-hobbing clamp, on described clamp body, near conus portion one place, be provided with ringfeder limited block, in described clamp body, be provided with the limited post for preventing that ringfeder limited block from moving, described limited post is bolted on clamp body.Tensioner limited block can prevent that the expansion sleeve that arrives accurate location from continuing to move, and plays position limitation protection effect to expansion sleeve.
In above-mentioned double tapered internal expanding gear-hobbing clamp, on described hydraulic pressure draw-bar, there is the drive division for driving inner cone pushing block to move, described inner cone pushing block is provided with for the mounting groove of drive division is installed, and described drive division is fixed by screws in this mounting groove.
In above-mentioned double tapered internal expanding gear-hobbing clamp, on described spreading groove one and spreading groove two, be all coated with and be useful on the glue-line that prevents that iron filings from entering.
Compared with prior art, this double tapered internal expanding gear-hobbing clamp has the following advantages:
By this fixture, can solve the problem that internal expanding fixture can not be processed two products simultaneously, applied widely; Be easy to dismounting and maintenance, clamp precision is high, makes the machining accuracy of product high, arranges between buffering, prevents from that inner cone pushing block translational speed is too fast to cause the conus portion two on inner cone pushing block impaired, effectively extends its service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of preferred embodiment of providing of the utility model.
In figure, 1, clamp body; 11, axis body; 12, conus portion one; 13, guide part; 2, locating piece; 3, hydraulic pressure draw-bar; 4, inner cone pushing block; 41, conus portion two; 5, expansion sleeve; 51, spreading groove one; 52, spreading groove two; 6, bolster; 7, ringfeder limited block; 8, limited post; 31, drive division.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, double tapered internal expanding gear-hobbing clamp, comprise clamp body 1 and be sheathed on the locating piece 2 on clamp body 1, one side of clamp body 1 has axially extended axis body 11, on axis body 11, there is the inclination conus portion 1 towards axis body 11 outer ends, the front end of conus portion 1 has guide part 13, on guide part 13, be arranged with the inner cone pushing block 4 being driven by a hydraulic pressure draw-bar 3, on inner cone pushing block 4, there is the conus portion 2 41 being oppositely arranged with conus portion 1, between inner cone pushing block 4 and clamp body 1, be provided with expansion sleeve 5, the inner side of expansion sleeve 5 is provided with the spreading groove 1 coordinating with conus portion 1 and the spreading groove 2 52 coordinating with conus portion 2 41, spreading groove 1 and spreading groove 2 52 lay respectively at the two ends of expansion sleeve 5.
When work, hydraulic pressure draw-bar 3 promotes inner cone pushing block 4 to clamp body 1 direction motion, in the spreading groove 2 52 of spreading expansion sleeve 5, produce axial thrust load, promote expansion sleeve 5 to clamp body 1 direction motion, expansion sleeve 5 open groove one by conus portion one 12 spreadings, when the upper lower shaft power that is subject to when expansion sleeve 5 is consistent, what drive hydraulic push rod action keeps balance from equipped hydraulic.
As shown in Figure 1, between guide part 13 and conus portion 1, be provided with positioning step, positioning step is provided with the bolster 6 of being made by padded coaming.The effect of this bolster 6 is to prevent from that inner cone pushing block 4 translational speeds are too fast to cause the conus portion 2 41 on inner cone pushing block 4 impaired.
As shown in Figure 1, on clamp body 1, near conus portion one 12 places, be provided with ringfeder limited block 7, be provided with the limited post 8 for preventing that ringfeder limited block 7 from moving in clamp body 1, limited post 8 is bolted on clamp body 1.Tensioner limited block can prevent that the expansion sleeve 5 that arrives accurate location from continuing to move, and plays position limitation protection effect to expansion sleeve 5.
On hydraulic pressure draw-bar 3, have the drive division 31 for driving inner cone pushing block 4 to move, as shown in Figure 1, inner cone pushing block 4 is provided with for the mounting groove of drive division 31 is installed, and drive division 31 is fixed by screws in this mounting groove.
In the present embodiment, on spreading groove 1 and spreading groove 2 52, be all coated with and be useful on the glue-line that prevents that iron filings from entering.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1. a double tapered internal expanding gear-hobbing clamp, comprise clamp body (1) and be sheathed on the locating piece (2) on clamp body (1), one side of described clamp body (1) has axially extended axis body (11), on described axis body (11), there is the inclination conus portion one (12) towards axis body (11) outer end, the front end of described conus portion one (12) has guide part (13), it is characterized in that, on described guide part (13), be arranged with the inner cone pushing block (4) being driven by a hydraulic pressure draw-bar (3), on described inner cone pushing block (4), there is the conus portion two (41) being oppositely arranged with above-mentioned conus portion one (12), between described inner cone pushing block (4) and clamp body (1), be provided with expansion sleeve (5), the inner side of described expansion sleeve (5) is provided with the spreading groove one (51) coordinating with conus portion one (12) and the spreading groove two (52) coordinating with conus portion two (41), described spreading groove one (51) and spreading groove two (52) lay respectively at the two ends of expansion sleeve (5).
2. double tapered internal expanding gear-hobbing clamp according to claim 1, is characterized in that, between described guide part (13) and conus portion one (12), is provided with positioning step, and described positioning step is provided with the bolster (6) of being made by padded coaming.
3. double tapered internal expanding gear-hobbing clamp according to claim 1, it is characterized in that, described clamp body (1) is upper locates to be provided with ringfeder limited block (7) near conus portion one (12), in described clamp body (1), be provided with the limited post (8) for preventing that ringfeder limited block (7) is mobile, described limited post (8) is bolted on clamp body (1).
4. double tapered internal expanding gear-hobbing clamp according to claim 1, it is characterized in that, on described hydraulic pressure draw-bar (3), have for driving the mobile drive division (31) of inner cone pushing block (4), described inner cone pushing block (4) is provided with for the mounting groove of drive division (31) is installed, and described drive division (31) is fixed by screws in this mounting groove.
5. double tapered internal expanding gear-hobbing clamp according to claim 1, is characterized in that, on described spreading groove one (51) and spreading groove two (52), is all coated with and is useful on the glue-line that prevents that iron filings from entering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420382952.XU CN203956249U (en) | 2014-07-11 | 2014-07-11 | Double tapered internal expanding gear-hobbing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420382952.XU CN203956249U (en) | 2014-07-11 | 2014-07-11 | Double tapered internal expanding gear-hobbing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203956249U true CN203956249U (en) | 2014-11-26 |
Family
ID=51916887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420382952.XU Expired - Fee Related CN203956249U (en) | 2014-07-11 | 2014-07-11 | Double tapered internal expanding gear-hobbing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203956249U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105149703A (en) * | 2015-09-30 | 2015-12-16 | 陕西法士特齿轮有限责任公司 | Externally-tightening and quick-changing hobbing tool for shafts |
| CN108214361A (en) * | 2018-04-08 | 2018-06-29 | 湖南鸿鑫富诚科技有限公司 | Automobile fixture detent mechanism |
| CN109262083A (en) * | 2018-12-03 | 2019-01-25 | 浙江巨跃齿轮有限公司 | A kind of liquid rises fixture |
| CN112935875A (en) * | 2021-03-12 | 2021-06-11 | 四川明日宇航工业有限责任公司 | Thin-wall structural part clamping tool and machining method |
-
2014
- 2014-07-11 CN CN201420382952.XU patent/CN203956249U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105149703A (en) * | 2015-09-30 | 2015-12-16 | 陕西法士特齿轮有限责任公司 | Externally-tightening and quick-changing hobbing tool for shafts |
| CN108214361A (en) * | 2018-04-08 | 2018-06-29 | 湖南鸿鑫富诚科技有限公司 | Automobile fixture detent mechanism |
| CN109262083A (en) * | 2018-12-03 | 2019-01-25 | 浙江巨跃齿轮有限公司 | A kind of liquid rises fixture |
| CN112935875A (en) * | 2021-03-12 | 2021-06-11 | 四川明日宇航工业有限责任公司 | Thin-wall structural part clamping tool and machining method |
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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 |
Granted publication date: 20141126 Termination date: 20150711 |
|
| EXPY | Termination of patent right or utility model |