CN202316776U - Die device for simultaneously forming automobile axle shaft spline and center hole - Google Patents
Die device for simultaneously forming automobile axle shaft spline and center hole Download PDFInfo
- Publication number
- CN202316776U CN202316776U CN2011204692963U CN201120469296U CN202316776U CN 202316776 U CN202316776 U CN 202316776U CN 2011204692963 U CN2011204692963 U CN 2011204692963U CN 201120469296 U CN201120469296 U CN 201120469296U CN 202316776 U CN202316776 U CN 202316776U
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- Prior art keywords
- die
- axle shaft
- spline
- centre bore
- shaft spline
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- 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
The utility model relates to a die device for simultaneously forming an automobile axle shaft spline and a center hole, which comprises an upper die unit and a lower die unit. An upper die set is mounted on the upper die unit, an upper die circle stress is disposed on the inner side of the upper die seat, a center hole top rush is tightly pressed on a backing board by the upper die circle stress and a spline forming die, a die set which comprises a left die set and a right die set is arranged on the lower die unit, and a compound die hydraulic cylinder is fixedly arranged on the upper surface of the lower die unit. The die device for simultaneously forming the automobile axle shaft spline and the center hole has the advantages that by arrangement of the device which is provided with the upper die unit and the lower die unit, the processing of automobile axle shaft spline tooth forms and the center hole is completed during one strokemm of equipment when the device is used, spline accuracy is stable, accuracy of form and position of the spline and the center hole is high, machining process is shortened, production efficiency is high, production cost is low and the like.
Description
Technical field
The utility model relates to the metal forming technical field, relates in particular to a kind of die device that is used for while formed automobile Formation of Axle Shaft Spline and centre bore.
Background technology
For the automobile axle shaft spline of big modulus and the processing of centre bore; At present for dividing preface machining; Promptly need to beat lathe cooperation special fixture machining center hole with milling earlier, cooperate special fixture processing spline with the numerical control spline miller again, the precision of this kind processing method is relatively poor; The splined surfaces that is processed has tool marks, and this position is prone to cause stress to concentrate and reduce fatigue life after the heat treatment; Simultaneously, equipment needed thereby costs an arm and a leg, and the cost of charp tool is high, and the waste raw material; In addition, processing and the circulation of automobile axle shaft between two procedures consumes more human and material resources, and it is low etc. to increase activity duration and production efficiency.Comprehensively above analysis the, prior art lack processes the device of completion simultaneously or suitable innovation with extruding automobile axle shaft spline and centre bore.Therefore, to above aspect, need reasonably improve prior art.
The utility model content
To above defective; The utility model provides a kind of die device that is used for while formed automobile Formation of Axle Shaft Spline and centre bore that helps enhancing productivity, reduce production costs, can guaranteeing the automobile axle shaft spline and the centre bore accuracy of form and position, to solve many deficiencies of prior art.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of die device that is used for while formed automobile Formation of Axle Shaft Spline and centre bore; Comprise upper die unit and lower die unit; Said upper die unit is installed die holder, and the inboard patrix circle stress and this patrix circle stress and spline shaping mould installed of said upper bolster pushes up centre bore towards being pressed on the backing plate; The die holder of being made up of left die holder, right die holder is housed on the said lower die unit, and said lower die unit upper surface is installed with the closing liquid cylinder pressure.
In addition, said patrix circle stress outer end compresses through the axial location pressing plate, and said left die holder assembles concentric left clamp mode, right clamp mode respectively with right die holder inboard; It is 1.5 ° that the inner conical surface of said patrix circle stress cooperates tapering with the male cone (strobilus masculinus) of spline finishing die; The top position that said centre bore top dashes is a conical structure.
The described beneficial effect that is used for the die device of while formed automobile Formation of Axle Shaft Spline and centre bore of the utility model is: through being provided with the device of this upper and lower mould; Can be in the equipment one stroke during application; Accomplish the processing of automobile axle shaft spline teeth and centre bore, have advantages such as spline stable accuracy, spline and the centre bore accuracy of form and position are high, shortening process for machining flow process, production efficiency is high, production cost is low.
Description of drawings
According to accompanying drawing the utility model is done further explain below.
Fig. 1 is the described upper and lower mould overall structure sketch map that is used for the die device of while formed automobile Formation of Axle Shaft Spline and centre bore of the utility model embodiment;
Fig. 2 is the said partial assembled sketch map that is used for the die device of while formed automobile Formation of Axle Shaft Spline and centre bore of the utility model embodiment;
Fig. 3 is that the said centre bore that is used for the die device of while formed automobile Formation of Axle Shaft Spline and centre bore of the utility model embodiment pushes up towards the part sketch map;
Fig. 4 is an automobile axle shaft blank part sketch map;
Fig. 5 is the blank part sketch map of automobile axle shaft splined and centre bore.
Among the figure:
1, upper die unit; 2, the centre bore top dashes; 3, spline shaping mould; 4, patrix circle stress; 5, pressing plate; 6, bearing pin; 7, left clamp mode; 8, right clamp mode; 9, left die holder; 10, right die holder; 11, matched moulds lid; 12, hydraulic cylinder; 13, lower die unit; 14, stationary work-table; 15, locating piece; 16, sliding table; 17, upper bolster; 18, backing plate; 19, axostylus axostyle; 20, spline; 21, centre bore.
The specific embodiment
Shown in Fig. 1-3; The described die device that is used for while formed automobile Formation of Axle Shaft Spline and centre bore of the utility model embodiment; Comprise by upper die unit 1 and lower die unit 13 wait this up and down two parts form; On the sliding table 16 of four-column hydraulic press, install die holder 17 and pass through bolt locking on the said upper die unit 1 by vertical the embedding through bolt for upper die unit 1 wherein, and backing plate 18 is equipped with in these upper bolster 17 inside; Said upper bolster 17 inboard taper fit are installed by one patrix circle stress 4 and this patrix circle stress 4 is pressed in the centre bore top on the backing plate 18 towards 2 with spline shaping mould 3; Simultaneously, said patrix circle stress 4 outer end axial location compress a pressing plate 5 and through bolt pressing plate 5 are fixed on the upper bolster 17;
Lower die unit 13 wherein is through on the stationary work-table 14 that is bolted to four-column hydraulic press; Die holder and the left and right sides two parts die holder be made up of left die holder 9, right die holder 10 are housed on the said lower die unit 13 to be connected through bearing pin 6; Said left die holder 9 inboard concentric fits have left clamp mode 7, and right die holder 10 inboard concentric fits have right clamp mode 8; Simultaneously, said lower die unit 13 upper surfaces are equipped with closing liquid cylinder pressure 12 through bolt and dispose matched moulds lid 11, and the base plate of stationary work-table 14 is provided with locating piece 15.
Shown in Fig. 1-5; The described die device that is used for while formed automobile Formation of Axle Shaft Spline and centre bore of the utility model embodiment; The ring flange of automobile axle shaft blank places realizes axial qualifying bit on the locating piece 15, axostylus axostyle 19 is put into the left clamp mode 7 of left die holder 9, promotes right die holder 10 and rotates around bearing pin 6 together with right clamp mode 8; Realize the closure of right die holder 10 and left die holder 9, right clamp mode 8 and left clamp mode 7; Start closing liquid cylinder pressure 12 drive matched moulds lids 11 and travel forward, compress right die holder 10 and left die holder 9, right clamp mode 8 and left clamp mode 7, realize the location and the clamping of workpiece.During use, the sliding table 16 that starts specific four-column hydraulic press moves downward, and left clamp mode 7 gets into right clamp mode 8 and begins guiding in the patrix circle stress 4; Sliding table 16 continues to move downward; The spline 20 of spline shaping mould 3 first moulding automobile axle shaft blanks, then the centre bore top dashes the centre bore 21 of 2 formed automobile semiaxis blanks, and the sliding table 16 that starts four-column hydraulic press moves upward; The blank upper end demoulding of automobile axle shaft splined 20 and centre bore 21; Start closing liquid cylinder pressure 12 and move backward, drive matched moulds lid 11 motion backward, unclamp right die holder 10 and left die holder 9; Drive right clamp mode 8 and unclamp with left clamp mode 7, the automobile axle shaft blank that will have spline 20 and centre bore 21 takes out.
The described die device that is used for while formed automobile Formation of Axle Shaft Spline and centre bore of above the utility model embodiment; The inner conical surface of said patrix circle stress 4 is 1.5 ° with the tapering that cooperates of the male cone (strobilus masculinus) of spline shaping mould 3; Spline in the spline shaping mould 3 wherein is full toothing, and centre bore top wherein dashes 2 excircles and spline shaping mould 3 endoporus are interference fits; The external cylindrical surface of the endoporus of said patrix circle stress 4 and left clamp mode 7, right clamp mode 8 is little matched in clearance, so that when formed automobile Formation of Axle Shaft Spline and centre bore, play the guiding role.Said centre bore top is 60 ° of conical structures towards 2 top position, and this cone and centre bore top are the round-corner transition of R0.5-R2 towards 2 plane, and the centre bore top dashes the sharp rounding SR0.5-SR1.5mm of cone on 2.
Above embodiment is the more preferably specific embodiment a kind of of the utility model, and common variation that those skilled in the art carry out in present technique scheme scope and replacement should be included in the protection domain of the utility model.
Claims (5)
1. one kind is used for the die device of formed automobile Formation of Axle Shaft Spline and centre bore simultaneously; Comprise upper die unit (1) and lower die unit (13); It is characterized in that: said upper die unit (1) is installed die holder (17), and the inboard patrix circle stress (4) and this patrix circle stress (4) and spline shaping mould (3) installed of said upper bolster (17) is pressed in the centre bore top on the backing plate (18) towards (2); The die holder of being made up of left die holder (9), right die holder (10) is housed on the said lower die unit (13), and said lower die unit (13) upper surface is installed with closing liquid cylinder pressure (12).
2. the die device that is used for while formed automobile Formation of Axle Shaft Spline and centre bore according to claim 1, it is characterized in that: said patrix circle stress (4) outer end compresses through axial location pressing plate (5).
3. the die device that is used for while formed automobile Formation of Axle Shaft Spline and centre bore according to claim 1 is characterized in that: inboard concentric left clamp mode (7), the right clamp mode (8) of assembling respectively of said left die holder (9) and right die holder (10).
4. the die device that is used for while formed automobile Formation of Axle Shaft Spline and centre bore according to claim 1, it is characterized in that: it is 1.5 ° that the inner conical surface of said patrix circle stress (4) cooperates tapering with the male cone (strobilus masculinus) of spline shaping mould (3).
5. the die device that is used for while formed automobile Formation of Axle Shaft Spline and centre bore according to claim 1 is characterized in that: the top position that said centre bore top dashes (2) is a conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204692963U CN202316776U (en) | 2011-11-23 | 2011-11-23 | Die device for simultaneously forming automobile axle shaft spline and center hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204692963U CN202316776U (en) | 2011-11-23 | 2011-11-23 | Die device for simultaneously forming automobile axle shaft spline and center hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202316776U true CN202316776U (en) | 2012-07-11 |
Family
ID=46428773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204692963U Expired - Fee Related CN202316776U (en) | 2011-11-23 | 2011-11-23 | Die device for simultaneously forming automobile axle shaft spline and center hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202316776U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764786A (en) * | 2012-08-01 | 2012-11-07 | 郑州机械研究所 | Method for prolonging service life of cold finishing die of shaft parts |
| CN103611796A (en) * | 2013-11-15 | 2014-03-05 | 梧州恒声电子科技有限公司 | T iron forming die |
| CN103611803A (en) * | 2013-11-19 | 2014-03-05 | 梧州恒声电子科技有限公司 | Forming die for machining T-block blank |
| CN104492917A (en) * | 2014-12-27 | 2015-04-08 | 芜湖赛特施工设备有限公司 | Rotary pressing device for automatic punching machine tool for disc sheets |
| CN105436356A (en) * | 2015-12-30 | 2016-03-30 | 广东昇辉电子控股有限公司 | BV wire bending and stamping die with combined upper die |
| CN105499433A (en) * | 2015-12-30 | 2016-04-20 | 广东昇辉电子控股有限公司 | BV line bending punching die with integral upper die |
| CN110126549A (en) * | 2019-04-26 | 2019-08-16 | 东风商用车有限公司 | A kind of hollow half axle and its manufacturing method |
| CN112191791A (en) * | 2020-10-19 | 2021-01-08 | 抚州申铃汽车配件有限责任公司 | Shaft part spline forging and forming system and forming process |
| CN112845795A (en) * | 2020-12-28 | 2021-05-28 | 浙江格洛博机械科技股份有限公司 | Continuous spline forming equipment for inner hub of gearbox brake |
-
2011
- 2011-11-23 CN CN2011204692963U patent/CN202316776U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764786A (en) * | 2012-08-01 | 2012-11-07 | 郑州机械研究所 | Method for prolonging service life of cold finishing die of shaft parts |
| CN103611796A (en) * | 2013-11-15 | 2014-03-05 | 梧州恒声电子科技有限公司 | T iron forming die |
| CN103611803A (en) * | 2013-11-19 | 2014-03-05 | 梧州恒声电子科技有限公司 | Forming die for machining T-block blank |
| CN104492917A (en) * | 2014-12-27 | 2015-04-08 | 芜湖赛特施工设备有限公司 | Rotary pressing device for automatic punching machine tool for disc sheets |
| CN105436356A (en) * | 2015-12-30 | 2016-03-30 | 广东昇辉电子控股有限公司 | BV wire bending and stamping die with combined upper die |
| CN105499433A (en) * | 2015-12-30 | 2016-04-20 | 广东昇辉电子控股有限公司 | BV line bending punching die with integral upper die |
| CN110126549A (en) * | 2019-04-26 | 2019-08-16 | 东风商用车有限公司 | A kind of hollow half axle and its manufacturing method |
| CN112191791A (en) * | 2020-10-19 | 2021-01-08 | 抚州申铃汽车配件有限责任公司 | Shaft part spline forging and forming system and forming process |
| CN112845795A (en) * | 2020-12-28 | 2021-05-28 | 浙江格洛博机械科技股份有限公司 | Continuous spline forming equipment for inner hub of gearbox brake |
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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: 20120711 Termination date: 20171123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |