CN202367295U - Centering hobbing fixture - Google Patents
Centering hobbing fixture Download PDFInfo
- Publication number
- CN202367295U CN202367295U CN2011205681167U CN201120568116U CN202367295U CN 202367295 U CN202367295 U CN 202367295U CN 2011205681167 U CN2011205681167 U CN 2011205681167U CN 201120568116 U CN201120568116 U CN 201120568116U CN 202367295 U CN202367295 U CN 202367295U
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- China
- Prior art keywords
- mandrel
- gland
- sleeve
- elastic corrugated
- cover
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Abstract
The utility model relates to a centering hobbing fixture for an inner spline gear. The centering hobbing fixture comprises a base, a mandrel, and a cushion sleeve, an elastic corrugated sleeve, a pressing member and a pressing sleeve which are arranged on the mandrel as well as a clamping member for adjusting the space between the pressing sleeve and the cushion sleeve, wherein the bottom of the mandrel is arranged on the base; the cushion sleeve is arranged on the base through the mandrel and is sleeved at the lower part of the mandrel; the elastic corrugated sleeve is fixedly arranged at the middle of the mandrel and is arranged between the cushion sleeve and the pressing sleeve; the diameter of the elastic corrugated sleeve is smaller than that of the cushion sleeve below the elastic corrugated sleeve and that of the pressing sleeve above the elastic corrugated sleeve; the pressing sleeve is sleeved at the upper part of the mandrel and corresponds to the cushion sleeve below the pressing sleeve; the clamping member for adjusting the space between the pressing sleeve and the cushion sleeve is positioned at the top of the pressing sleeve; and the pressing member is arranged on the mandrel between the elastic corrugated sleeve and the pressing sleeve. The centering hobbing fixture has the advantages that the structure is novel; the stability and the reliability of centering for the inner spline gear are realized; higher stability of subsequent hobbing can be ensured, so that high hobbing precision is obtained; and a favorable hobbing effect is realized.
Description
Technical field
The utility model relates to a kind of gear centralizer, especially relates to a kind of centering gear hobbing anchor clamps that are used for inside spline wheel gear.
Background technology
At present, the internal spline of the change-speed gearing in the agricultural machinery gearbox adopts the mode of rectangular spline big footpath centering to feel relieved mostly.In the batch process, the technical process of spline gear is: the garland key---finish turning---gear hobbing---shaving.It is to locate on the end face of mandrel firmly and cylindrical in end face of tooth base and the big footpath of internal spline that the gear hobbing operation adopts gear hobbing location structure and locate mode, processes with the method that screw thread compresses at another end face.Not enough below location in this gear hobbing operation exists: 1. because the big footpath of the spline size after the broaching is unstable, the dimensional variations amount is generally at 0.03-0.04, and the teeth base feel relieved unstable on mandrel, causes that gear-wheel gear-ring directly beats, and causes the gear damage to scrap; Since when compressing length of thread engagement oversize, loading and unloading gear workpiece is also very inconvenient.
Summary of the invention
The goal of the invention of the utility model provides a kind of novel structure, to the reliable and stable centering gear hobbing anchor clamps of inside spline wheel gear centering.
In order to realize the foregoing invention purpose, the utility model adopts following technical scheme:
A kind of centering gear hobbing anchor clamps, the clamping element that comprises base, mandrel and be located at the cushion cover on the mandrel, elastic corrugated cover, compressing member, gland and be used to adjust gland and cushion cover spacing; The mandrel bottom is installed on the base; Cushion cover is fixed on the base through mandrel and is set in the bottom of mandrel, and elastic corrugated cover is fixed on the mandrel middle part, and the position is between cushion cover and the gland; And the diameter of elastic corrugated cover is less than the cushion cover of its below and the gland of top; Gland is set in mandrel top, and gland is corresponding with the cushion cover of its below, and the clamping element that is used to adjust gland and cushion cover spacing is in the gland top; Compressing member is located on the mandrel between elastic corrugated cover and the gland.
As preferably, said compressing member is made up of the clamp nut and the pad of its below, and the mandrel between elastic corrugated cover and the gland is provided with screw thread, and clamp nut is connected with mandrel thread, be fixed through screw thread, and the precision height, effective.
As preferably, said clamping element is made up of the binding nut and the packing ring of its below, and binding nut is connected with mandrel thread, and gasket sleeve is between gland and binding nut, and the spacing of adjusting gland and cushion cover clamps also fixed gear workpiece, good stability during gear hobbing.
As preferably, said gland and cushion cover size are complementary and the cross section all is the U type, and the U type opening of gland and cushion cover is corresponding in opposite directions.
As preferably, said packing ring is an open washer; The center at said gland top is provided with the central through hole with the mandrel coupling, and the eccentric part at top also is provided with the quick detach through hole that is connected with central through hole, and the quick detach through-hole aperture is greater than binding nut, and the central through hole aperture is less than binding nut.Open washer and the structure that band quick detach through hole gland cooperates have made things convenient for loading and unloading gear workpiece, improve gear hobbing efficient.
A kind of centering gear hobbing anchor clamps of technique scheme have been adopted; Setting is fixed on the elastic corrugated cover at mandrel middle part; The inside spline wheel gear workpiece is enclosed within the outer and existing hard mandrel location that directly is enclosed within of elastic corrugated cover and compares; The spline of endoporus and elastic corrugated cover elasticity break-in coupling, centering are accurately stable, and are difficult for taking place gear-wheel gear-ring and directly beat and cause damaging the gear workpiece.At elastic corrugated cushion cover and the gland that has that put; The spacing that clamping element is in gland top adjustment gland and cushion cover realizes on the gear excircle of workpiece fixing; Feel relieved the again stationary fixture of cylindrical location of this first endoporus; Can guarantee that follow-up gear hobbing is more stable, make the gear hobbing precision high, gear hobbing is effective.
Description of drawings
Fig. 1: the cross-sectional view of the utility model embodiment.
Fig. 2: the top surface structure sketch map of gland among the utility model embodiment.
The specific embodiment
Be to combine accompanying drawing 1 and Fig. 2 that the technical scheme of the utility model is done further to set forth in detail below.
A kind of centering gear hobbing anchor clamps as depicted in figs. 1 and 2, the clamping element that comprises base 10, mandrel 1 and be located at cushion cover 2, compressing member, elastic corrugated cover 3, the gland 7 on the mandrel 1 and be used to adjust gland and cushion cover spacing.
Mandrel 1 bottom is installed on the base 10, and cushion cover 2 is set in the bottom of mandrel 1 and hole and mandrel 1 through mandrel 1 are consolidated into an integral body on base 10, and gland 7 is set in mandrel 1 top.Elastic corrugated cover 3 is fixed on the mandrel middle part; Between the cushion cover 2 below its position is in and the gland 7 of top; And the diameter of elastic corrugated cover 3 is less than the cushion cover 2 of its below and the gland 7 of top; Compressing member is located on the mandrel 1 between elastic corrugated cover 3 and the gland 7, and compressing member is made up of the clamp nut 6 and the pad 5 of its below, and clamp nut 6 moves down on mandrel and can compress elastic corrugated cover 3.Clamping element is in gland 7 tops, and clamping element is made up of the binding nut 9 and the packing ring 8 of its below.Therefore, the above-mentioned parts that are located on the mandrel 1 from top to bottom are binding nut 9, packing ring 8, gland 7, clamp nut 6, pad 5, elastic corrugated cover 3 and cushion cover 2 successively.Above-mentioned mandrel and the position, mandrel two place that is in gland 7 tops that is between elastic corrugated cover 3 and the gland 7 all need be provided with the screw thread that matees of corresponding nut; In fact for easily manufactured, can the mandrel that be in elastic corrugated cover 3 top positions all be stamped screw thread.
Elastic corrugated cover 3 effects that are fixed on mandrel 1 medium position are to mate with gear workpiece 4 endoporus.In use; The gear workpiece 4 of band internal spline is enclosed within outside the elastic corrugated cover 3; Compressing member compresses elastic corrugated cover 3; The horizontal spreading of elastic corrugated cover 3 pressurizeds makes splined hole and the gap between the radiation fins 3 of gear workpiece 4, the endoporus and the gap between mandrel 1 cylindrical of elastic corrugated cover 3 eliminate, and accomplishes centering.It also is in order to let it can clamp gear workpiece 4, to reserve the space of installation for again the compressing member that is between elastic corrugated cover 3 and the gland 7 that gland 7 cross sections are U type purpose.
Above-mentioned gland 7 is corresponding with the cushion cover 2 of its below, specifically is that gland 7 is complementary with cushion cover 2 sizes and the cross section all is the U type, and the U type opening of gland 7 and cushion cover 2 is corresponding in opposite directions, promptly the U type opening of gland 7 down, the U type opening of cushion cover 2 is up.The center at gland 7 tops is provided with the central through hole 71 with mandrel 1 coupling; The eccentric part at top also is provided with the quick detach through hole 72 that is connected with central through hole 71; Quick detach through hole 72 apertures are greater than binding nut 9; Central through hole 71 apertures are less than binding nut 9, and gland 7 specifically is to be enclosed within on the mandrel 1 through central through hole 71, take out through 72 dismountings of quick detach aperture.The bottom centre place of cushion cover 2 also is set on the mandrel 1 through central through hole, is fixed on the base 10 through screw at the bottom non-central location.
The main effect of above-mentioned clamping element is the spacing that is used for adjusting gland 7 and cushion cover 2, and gear workpiece 4 is contained between gland 7 and the cushion cover 2.When clamping element compressed, gland 7 was fixedly clamped gear workpiece 4 upper and lower end faces respectively with cushion cover 2, promptly was close to gear workpiece 4 upper and lower end faces through the U type opening of gland 7 and cushion cover 2 and clamped.Binding nut 9 specifically is to be threaded with the top ends of mandrel 1; Packing ring 8 is enclosed between gland 7 and the binding nut 9, and packing ring 8 is open washers, and open washer also can conveniently take out when not taking off binding nut 9; The gland 7 that cooperates above-mentioned band quick detach through hole 72, loading and unloading gear workpiece 4 convenience.
During use, at first, mandrel 1 and cushion cover 2 are installed on the base 10, base 10 can directly be a gear-hobbing machine, the position of calibration mandrel 1.Then, elastic corrugated cover 3 is inserted in mandrel 1, refills Upper gasket 5, the clamp nut 6 of screwing on, clamp nut 6 is not tightened earlier.Again then, load onto gear workpiece 4, tighten clamp nut 6 again, make elastic corrugated cover 3 pressurized spreadings, eliminate the gap between workpiece 4 and elastic corrugated cover 3 and elastic corrugated cover 3 and the mandrel 1, completion gear workpiece 4 is felt relieved.At last, put gland 7 and packing ring 8, screw down clips jack panel 9 compresses gear workpiece 4, accomplishes endoporus centering, and end face compresses, and beginning is processed at the gear-hobbing machine upper rolling tooth.After machining,, take off open washer 8 and gland 7 again, unscrew nut 6 again and can take off gear workpiece 4 as long as unscrew binding nut 9, loading and unloading gear workpiece 4 convenience, efficient is high.
Claims (4)
1. centering gear hobbing anchor clamps is characterized in that the clamping element that comprises base, mandrel and be located at the cushion cover on the mandrel, elastic corrugated cover, compressing member, gland and be used to adjust gland and cushion cover spacing; The mandrel bottom is installed on the base, and cushion cover is installed on the base through mandrel and is set in the bottom of mandrel; Elastic corrugated cover is fixed on the mandrel middle part, and between the cushion cover below its position is in and the gland of top, and the diameter of elastic corrugated cover is less than cushion cover and gland; Gland is set in mandrel top, and gland is corresponding with the cushion cover of its below, and the clamping element that is used to adjust gland and cushion cover spacing is in the gland top; Compressing member is located on the mandrel between elastic corrugated cover and the gland.
2. a kind of centering gear hobbing anchor clamps according to claim 1, it is characterized in that said compressing member by clamp nut with its below pad form, the mandrel between elastic corrugated cover and the gland is provided with screw thread, clamp nut is connected with mandrel thread.
3. a kind of centering gear hobbing anchor clamps according to claim 1, it is characterized in that said clamping element by binding nut with its below packing ring form, binding nut is connected with mandrel thread, gasket sleeve is between gland and binding nut.
4. a kind of centering gear hobbing anchor clamps according to claim 3 is characterized in that said packing ring is an open washer; The center at said gland top is provided with the central through hole with the mandrel coupling, and the eccentric part at top also is provided with the quick detach through hole that is connected with central through hole, and the quick detach through-hole aperture is greater than binding nut, and the central through hole aperture is less than binding nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205681167U CN202367295U (en) | 2011-12-30 | 2011-12-30 | Centering hobbing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205681167U CN202367295U (en) | 2011-12-30 | 2011-12-30 | Centering hobbing fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202367295U true CN202367295U (en) | 2012-08-08 |
Family
ID=46591019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205681167U Expired - Fee Related CN202367295U (en) | 2011-12-30 | 2011-12-30 | Centering hobbing fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202367295U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275533A (en) * | 2013-07-09 | 2015-01-14 | 山推工程机械股份有限公司 | Clamping device for gear fine machining |
| CN104551737A (en) * | 2014-12-29 | 2015-04-29 | 苏州用朴合金工具有限公司 | Corrugated sleeve centering and clamping device |
| CN105068239A (en) * | 2015-07-31 | 2015-11-18 | 梧州奥卡光学仪器有限公司 | Mechanical objective table |
| CN105269084A (en) * | 2015-12-03 | 2016-01-27 | 重庆望江工业有限公司 | Pressing tool for large gear hob |
| CN106363247A (en) * | 2016-10-19 | 2017-02-01 | 陈明 | Gear grinding machine capable of controlling grinding sizes of machined gears |
| CN107086728A (en) * | 2017-05-27 | 2017-08-22 | 江苏本格自动化科技有限公司 | A kind of shield tooth device adjustment structure of stator coil finishing machine |
| CN108817559A (en) * | 2018-09-03 | 2018-11-16 | 合肥银泉铸造有限责任公司 | A kind of Gear Processing tooling |
| CN109975014A (en) * | 2019-05-06 | 2019-07-05 | 广西玉柴机器股份有限公司 | A kind of taper hole gear measurement mandrel component |
| CN113977012A (en) * | 2021-10-18 | 2022-01-28 | 无锡市恒翼通机械有限公司 | Expansion sleeve of gear grinding tool and gear grinding tool |
-
2011
- 2011-12-30 CN CN2011205681167U patent/CN202367295U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275533A (en) * | 2013-07-09 | 2015-01-14 | 山推工程机械股份有限公司 | Clamping device for gear fine machining |
| CN104551737A (en) * | 2014-12-29 | 2015-04-29 | 苏州用朴合金工具有限公司 | Corrugated sleeve centering and clamping device |
| CN105068239A (en) * | 2015-07-31 | 2015-11-18 | 梧州奥卡光学仪器有限公司 | Mechanical objective table |
| CN105269084A (en) * | 2015-12-03 | 2016-01-27 | 重庆望江工业有限公司 | Pressing tool for large gear hob |
| CN105269084B (en) * | 2015-12-03 | 2019-01-08 | 重庆望江工业有限公司 | The compression tooling of large gear gear hobbing |
| CN106363247A (en) * | 2016-10-19 | 2017-02-01 | 陈明 | Gear grinding machine capable of controlling grinding sizes of machined gears |
| CN107086728A (en) * | 2017-05-27 | 2017-08-22 | 江苏本格自动化科技有限公司 | A kind of shield tooth device adjustment structure of stator coil finishing machine |
| CN108817559A (en) * | 2018-09-03 | 2018-11-16 | 合肥银泉铸造有限责任公司 | A kind of Gear Processing tooling |
| CN109975014A (en) * | 2019-05-06 | 2019-07-05 | 广西玉柴机器股份有限公司 | A kind of taper hole gear measurement mandrel component |
| CN109975014B (en) * | 2019-05-06 | 2023-12-15 | 广西玉柴机器股份有限公司 | Dabber subassembly is used in taper hole gear measurement |
| CN113977012A (en) * | 2021-10-18 | 2022-01-28 | 无锡市恒翼通机械有限公司 | Expansion sleeve of gear grinding tool and gear grinding tool |
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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: 20120808 Termination date: 20141230 |
|
| EXPY | Termination of patent right or utility model |