CN1820872A - Inverse conical forming mould for automobile gearbox gear combining tooth - Google Patents
Inverse conical forming mould for automobile gearbox gear combining tooth Download PDFInfo
- Publication number
- CN1820872A CN1820872A CN 200610038979 CN200610038979A CN1820872A CN 1820872 A CN1820872 A CN 1820872A CN 200610038979 CN200610038979 CN 200610038979 CN 200610038979 A CN200610038979 A CN 200610038979A CN 1820872 A CN1820872 A CN 1820872A
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- tooth
- mould
- automobile gearbox
- gearbox gear
- gland
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Abstract
The inverse cone forming mold for combining tooth of automobile gearbox gear belongs to the field of pressurized metal machining mold technology. The combined tooth mold is set inside the ring pressure sleeve through conic surface fitting of obliquity 8-14 deg. The tooth mold is divided into tooth blocks with axial tooth possessing inclined side along the circumferential direction. There are tensional springs in the outer wall of the tooth mold, limiting ring in the outer wall repositioning spring and regulating pad below the pressure sleeve. The present invention is used in the finish forging of inverse cone for combining tooth of automobile gearbox gear, has simple structure, convenient operation and regulation, low machining cost, high precision and high product quality, and is superior to traditional gear shaping apparatus and available extrusion mold.
Description
Technical field
The present invention relates to a kind of precision forging mould of automobile variable speed Gear Processing mould, especially automobile variable speed gear combining tooth back taper.
Background technology
The various speed of running car are connected realization by change-speed gearing in the speed changer in conjunction with tooth with combined cover.Out of supply under steam in order to prevent automobile, usually need and will be designed to reversed cone angle in conjunction with tooth, promptly in conjunction with tooth in axial direction the outer end facewidth greater than the inner facewidth.Traditional all adopts the gear shapping machine cutting working method to realize in conjunction with the tooth reversed cone angle, low, the product low precision of this method production efficiency, and the expense of taking a lot of work again material, metal streamline is cut off, and makes in conjunction with tooth intensity obviously to reduce, and the broken teeth phenomenon happens occasionally in the use; And escape must be arranged, increased the axial dimension and the weight of speed changer, applicability is restricted.Advanced processing method is will be shaped in conjunction with tooth tooth portion blocking to adopt back taper forming mould moment on forcing press to finish back taper then to be shaped, but existing back taper forming mould complex structure, inconvenience, processing cost height are adjusted in operation.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art part, provides a kind of simple in structure, operates easy to adjustly, and processing cost is low, can guarantee the inverse conical forming mould for automobile gearbox gear combining tooth of product quality.
Technical scheme of the present invention is: be provided with combined type tooth mould in circular gland inside, both mating surfaces are the taper seat of lower end diameter greater than upper end diameter, tooth mold cavity upper port is a tooth portion, tooth portion is provided with axial tooth and teeth groove, the both sides of each tooth are gradient, the top facewidth is greater than the bottom facewidth, the face of cylinder, tooth top place and above-mentioned taper seat coaxial line, the inside and outside wall of tooth mould is respectively equipped with radially tensioner spring and spacing collar, the tooth mould is along circumferentially being divided into single tooth piece, and the below of described gland is provided with back-moving spring and locating part.
Further scheme is: described taper seat gradient α=8 °～14 °; The tooth portion of each tooth piece is provided with a tooth or two teeth in the described combined type tooth mould; Described radially tensioner spring and spacing collar respectively have two, separate up and down, are located at respectively in the groove of the inside and outside wall of tooth mould; Described gland and tooth mould are placed on the base plate, and the locating part of gland below is the adjusting pad that is arranged on the base plate; Described gland and adjusting pad are loaded on the base plate by bolt sleeve.
This mould uses on forcing press, and the tooth portion of tooth mould accurately processes in conjunction with the tooth profile of tooth according to workpiece.During work,, coincide each other the tooth portion in conjunction with tooth insertion tooth mould of workpiece, under the press pressure effect, gland moves down, by gland inner conical surface extruding tooth mould male cone (strobilus masculinus), its radial component forces that each tooth piece moves inward in the tooth mould, thereby moment finishes in conjunction with the tooth back taper and is shaped.The gland inner conical surface is the consistent taper seat of tapering with tooth mould male cone (strobilus masculinus), and the gradient of this conical surface (be tapering half) α gets 8 °～14 °, has both guaranteed enough big radial component, locking phenomenon can not take place again.Spacing collar is used for keeping each tooth piece mutual alignment, and radially the tensioner spring then is that the tooth piece is finished the usefulness that resets after the shaping work.Spacing collar and tensioner spring respectively have two that separate up and down, can effectively guarantee the steadily flexible of tooth piece motion.In time reset after the back-moving spring of gland below makes the gland release, be convenient to the loading and unloading of workpiece, the gland below is provided with adjusting pad, adjusts the distance that gland presses down by changing its thickness, and then guarantees the back taper forming requirements.Gland and adjusting pad are loaded on the base plate by bolt sleeve, can keep the complete of mould, prevent that single-piece is scattered, and be easy to use.This mould structure is very simple, key component has only gland and tooth mould, the tooth mould is processed into single piece earlier, guarantee the axiality of tooth portion's machining accuracy and outside circle and male cone (strobilus masculinus) easily, radially cut from the center of teeth groove, make the tooth mould along circumferentially being divided into single tooth piece, processing cost is low, the precision height can guarantee product quality.This mould reaches designing requirement after the production pilot scale is used, improved the product precision, obtains good economic benefit.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 be among Fig. 1 K to partial schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing, further specify the embodiment of the invention.
Example one: circular gland 1 inside is provided with combined type tooth mould 2, both mating surfaces are taper seat, its gradient α=12 °, tooth mold cavity upper port is a tooth portion 4, tooth portion is provided with 21 axial tooths 9 and teeth groove, and each tooth both sides is gradient, and the top facewidth is greater than the bottom facewidth, be respectively equipped with radially tensioner spring 3 in the groove of twice up and down of tooth mould inwall, be respectively equipped with spacing collar 5 in the groove of twice up and down of tooth mould outer wall, the tooth mould has a tooth along circumferentially being divided into 21 impartial tooth pieces on each tooth piece.The gland below is provided with adjusting pad 7 and four uniform back-moving springs 6.Gland and adjusting pad are installed on the base plate 8 with bolt, and be gapped between gland and the bolt, also gapped between tooth mould and the adjusting pad.This mould is used to add the workpiece of Z=21 tooth.
Example two: for adding the Z=48 tooth, the workpiece of three hypodontias being arranged, the tooth mould 2 of mould is divided into 48-3=45 tooth piece, wherein has three tooth pieces that two teeth are respectively arranged, and all the other tooth pieces respectively have a tooth, gland 1 and tooth mould 2 cooperates gradient α=8 ° of taper seats, and all the other architectural features are with example one.
Claims (6)
1, a kind of inverse conical forming mould for automobile gearbox gear combining tooth, it is characterized in that being provided with combined type tooth mould in circular gland inside, both mating surfaces are the taper seat of lower end diameter greater than upper end diameter, tooth mold cavity upper port is a tooth portion, tooth portion is provided with axial tooth and teeth groove, the both sides of each tooth are gradient, the top facewidth is greater than the bottom facewidth, the face of cylinder, tooth top place and above-mentioned taper seat coaxial line, in the tooth mould, outer wall is respectively equipped with radially tensioner spring and spacing collar, the tooth mould is along circumferentially being divided into single tooth piece, and the below of described gland is provided with back-moving spring and locating part.
2,, it is characterized in that described taper seat gradient α=8 °～14 ° by the described inverse conical forming mould for automobile gearbox gear combining tooth of claim 1.
3, by the described inverse conical forming mould for automobile gearbox gear combining tooth of claim 1, it is characterized in that the tooth portion of each tooth piece in the described combined type tooth mould is provided with a tooth or two teeth.
4, by the described inverse conical forming mould for automobile gearbox gear combining tooth of claim 1, it is characterized in that described radially tensioner spring and spacing collar respectively have two, separate up and down, be located at respectively in the groove of the inside and outside wall of tooth mould.
5, by the described inverse conical forming mould for automobile gearbox gear combining tooth of claim 1, it is characterized in that described gland and tooth mould are placed on the base plate, the locating part of gland below is the adjusting pad that is arranged on the base plate.
6, by the described inverse conical forming mould for automobile gearbox gear combining tooth of claim 5, it is characterized in that described gland and adjusting pad are contained on the base plate by bolt sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100389797A CN100413614C (en) | 2006-03-22 | 2006-03-22 | Inverse conical forming mould for automobile gearbox gear combining tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100389797A CN100413614C (en) | 2006-03-22 | 2006-03-22 | Inverse conical forming mould for automobile gearbox gear combining tooth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1820872A true CN1820872A (en) | 2006-08-23 |
| CN100413614C CN100413614C (en) | 2008-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100389797A Active CN100413614C (en) | 2006-03-22 | 2006-03-22 | Inverse conical forming mould for automobile gearbox gear combining tooth |
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| CN (1) | CN100413614C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151995A (en) * | 2011-03-28 | 2011-08-17 | 中国第一汽车集团公司 | Method for closing laser welded seam of auto transmission gear |
| CN101827667B (en) * | 2007-10-17 | 2012-03-14 | Gkn烧结金属股份有限公司 | Core rod forging for precise internal geometry |
| CN106862395A (en) * | 2017-04-28 | 2017-06-20 | 重庆创精温锻成型有限公司 | Deep slot type conjunction gear composite forming die |
| CN107030132A (en) * | 2017-05-05 | 2017-08-11 | 盐城工学院 | Gear forming tool and gear forming system |
| CN107096866A (en) * | 2017-04-28 | 2017-08-29 | 重庆创精温锻成型有限公司 | Hybrid vehicle automatic transmission deep slot type conjunction gear preparation method |
| CN107335768A (en) * | 2016-12-19 | 2017-11-10 | 江苏太平洋齿轮传动有限公司 | The small gear ring radial direction wedge pressure mould of combination gear |
| CN107497985A (en) * | 2017-09-30 | 2017-12-22 | 江苏太平洋精锻科技股份有限公司 | Automobile gearbox gear combining tooth finish forge assembling die and its finish forging process |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0751788A (en) * | 1993-08-11 | 1995-02-28 | Aida Eng Ltd | Plastic working method for gear or gear-like material |
| CN1139027A (en) * | 1995-06-26 | 1997-01-01 | 会田工程株式会社 | Plastic working method of gear-type parts |
| JP2003154434A (en) * | 2001-11-20 | 2003-05-27 | Ooka Giken Kk | Speed change gear with dog clutch pawl and method of manufacturing speed change gear with dog clutch pawl |
| JP3975464B2 (en) * | 2002-02-22 | 2007-09-12 | 株式会社クリアテック | Cold forging machine for crown gear |
| CN1304138C (en) * | 2004-12-20 | 2007-03-14 | 华中科技大学 | Special hydraulic mould stand |
| CN2897493Y (en) * | 2006-03-22 | 2007-05-09 | 江苏太平洋精密锻造有限公司 | Gear-combined and cone-off forming mould of variator for automobile |
-
2006
- 2006-03-22 CN CNB2006100389797A patent/CN100413614C/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101827667B (en) * | 2007-10-17 | 2012-03-14 | Gkn烧结金属股份有限公司 | Core rod forging for precise internal geometry |
| CN102151995A (en) * | 2011-03-28 | 2011-08-17 | 中国第一汽车集团公司 | Method for closing laser welded seam of auto transmission gear |
| CN102151995B (en) * | 2011-03-28 | 2015-09-16 | 中国第一汽车集团公司 | Method for closing laser welded seam of auto transmission gear |
| CN107335768A (en) * | 2016-12-19 | 2017-11-10 | 江苏太平洋齿轮传动有限公司 | The small gear ring radial direction wedge pressure mould of combination gear |
| CN107335768B (en) * | 2016-12-19 | 2019-04-12 | 江苏太平洋齿轮传动有限公司 | The small gear ring radial direction wedge pressure mould of combination gear |
| CN106862395A (en) * | 2017-04-28 | 2017-06-20 | 重庆创精温锻成型有限公司 | Deep slot type conjunction gear composite forming die |
| CN107096866A (en) * | 2017-04-28 | 2017-08-29 | 重庆创精温锻成型有限公司 | Hybrid vehicle automatic transmission deep slot type conjunction gear preparation method |
| CN107030132A (en) * | 2017-05-05 | 2017-08-11 | 盐城工学院 | Gear forming tool and gear forming system |
| CN107030132B (en) * | 2017-05-05 | 2019-01-25 | 盐城工学院 | Gear forming tool and gear forming system |
| CN107497985A (en) * | 2017-09-30 | 2017-12-22 | 江苏太平洋精锻科技股份有限公司 | Automobile gearbox gear combining tooth finish forge assembling die and its finish forging process |
| CN107497985B (en) * | 2017-09-30 | 2019-08-06 | 江苏太平洋精锻科技股份有限公司 | Automobile gearbox gear combining tooth finish forge composable mold and its finish forging process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100413614C (en) | 2008-08-27 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU PACIFIC PRECISION FORGING SCIENCE AND TECH Free format text: FORMER NAME: JIANGSU PACIFIC PRECISION FORGING CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 225500 No. 91, Jiangyan Avenue, Jiangyan, Jiangsu Patentee after: Jiangsu Pacific Precision Forging Co., Ltd. Address before: 225500 Jiangyan Economic Development Zone, Jiangsu Patentee before: Taipingyang Precision Forging Co., Ltd., Jiangsu |