CN104399818A - Separable punch type punching die for internal spline - Google Patents
Separable punch type punching die for internal spline Download PDFInfo
- Publication number
- CN104399818A CN104399818A CN201410695116.1A CN201410695116A CN104399818A CN 104399818 A CN104399818 A CN 104399818A CN 201410695116 A CN201410695116 A CN 201410695116A CN 104399818 A CN104399818 A CN 104399818A
- Authority
- CN
- China
- Prior art keywords
- drift
- internal spline
- separable
- diel
- steel pipe
- 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.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Abstract
The invention discloses a separable punch type punching die for an internal spline. The die comprises a punching plate (1), a guide plate (3), a concave die (5), a straightening chamber (6) and a base (7), wherein a hydraulic punching machine applies a force through the punching plate (1), and a punch (4) for punching is connected with a punching pulling rod (2); the guide plate (3) has an effect of guiding; the concave die (5) is used for locating a steel pipe (8) to be punched; and the straightening chamber (6) has the straightening effect; and the base (7) supports the whole die. The die is characterized in that the punch (4) is of a separable type. The separable punch type punching die for the internal spline has the advantages that the problem of unnecessary damage of the returning of the punch on the inner wall of the processed spline during processing an internal spline pipe is solved; the separable punch enables convenient replacement of a quick-wear part.
Description
Technical field
The invention belongs to field of machining, relate to the separable internal spline diel of a kind of drift especially.
Background technology
In the prior art at present, internal spline tube or the general mode of broaching tool broaching that adopts of cover are shaped, the draw ratio limit of its broaching spline is generally no more than 6 times, but the internal spline draw ratio of the automobile steering device spline tubing string that we relate to now has reached 10 times, obviously be difficult to even cannot realize by the mode of broaching tool broaching, as adopted swaging techniques also can the larger splined tube of production draw ratio, but swaging techniques cost of investment is high, have a big risk, productivity ratio is low, practical not, so what have some further to improve to adopt is with the long tubular workpieces of the mode processing length of punching press, be processed to form internal spline tube, but it is current, the processing method of general employing is first carry out surface treatment to workpiece to be processed, make its smooth surface, and lubrication when being beneficial to punching press, can be easy to process, and ensure its crudy, but present diel, what adopt is the punching press effect that drift reciprocating realizes, when drift effect, workpiece to be processed surface is treated has possessed the performance of sliding, after processing, the extruding of drift to inwall makes its internal diameter change, the greasing substance of script on inwall can be made like this to reduce even disappear, can contact at inwall when drift bounces back, if when having the excesssive gap of impurity or drift like this, drift can cause unnecessary damage to inwall, crudy is caused to decline, even cause product rejection, affect the economy of efficiency and processing.
Summary of the invention
The object of the invention is to: propose the separable internal spline diel of a kind of drift, can solve above-mentioned in the process of internal spline tube, because drift backhaul to cause the problem of unnecessary damage to the spline inwall processed, and its drift is separable, change very convenient for consumable accessory.
Object of the present invention is realized by following technical proposals:
The separable internal spline diel of a kind of drift, described mould comprises: it is connected with the drift that punching press pull bar plays punching press effect to the pressed sheet for hydraulic press force, the guide plate play the guiding role is for the die of steel pipe location to be punched, play the straightening chamber of straightening effect, support the base of whole mould, it is characterized in that: described drift is detachable, its operation principle is, when during work, punching press pull bar loads drift, it promotes the diameter that punching press effect block reaches needs, and the pressure under the effect of hydraulic fluid press needed for workpiece applying, thus by extruding, steel pipe is caused to the distortion of needs, after punching press completes, pull bar is upwards mentioned, now punching press effect block can shrink, and the draw pin arm-tie that act on drift on of whole drift on pull bar makes whole drift get back to initial position, thus this operation that circulates.
As a further improvement on the present invention, it is characterized in that, described drift is divided into base plate punching press effect block pressur plate, and such structure provides condition for realizing punch diameter is variable.
As a further improvement on the present invention, it is characterized in that, the base plate of described drift being provided with its stroke lowest part of spring catch can, lower than the upper surface of base plate, can make punching press effect block be subject to the location of single direction like this.
As a further improvement on the present invention, it is inclined-plane that the bottom of the punching press effect block of described drift is processed with its cross sectional shape of bayonet fittings groove, and can realize it like this can along the unidirectional slip of base plate.
As a further improvement on the present invention, it is characterized in that, connect with bolt between three parts of described drift, its thickness is not less than 1/2nd of diameter of steel tube to be processed, drift entirety can be made like this to have enough rigidity and realize punching press.
As a further improvement on the present invention, it is characterized in that, described straightening chamber and steel pipe joint are processed with decompression chamfering, its maximum gauge 5-10mm larger than pipe diameter, the Volume Changes of steel pipe when being squeezed distortion can being made like this to have open ended space, eliminating its extruding reaction force.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows: propose the separable internal spline diel of a kind of drift, can solve above-mentioned in the process of internal spline tube, because drift backhaul to cause the problem of unnecessary damage to the spline inwall processed, and its drift is separable, change very convenient for consumable accessory.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Fig. 2 drift partial schematic diagram.
Fig. 3 is drift profile.
Fig. 4 is decompression full-shape schematic diagram.
Mark in figure: 1-pressed sheet, 2-punching press pull bar, 21-pin, 3-guide plate, 4-drift, 41-base plate, 411-spring catch, 42-punching press effect block, 421-bayonet fittings groove, 43-pressing plate, 432-arm-tie, 5-die, 6-straightening chamber, 61-reduce pressure full-shape, 7-base, 8-steel pipe, 9-handle.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As Fig. 1 to be depicted as the embodiment of the separable internal spline diel of a kind of drift of the present invention to 4, as shown in Figure 1, the separable internal spline diel of a kind of drift, described mould comprises: it is connected with the drift 4 that punching press pull bar 2 plays punching press effect to the pressed sheet 1 for hydraulic press force, the die 5 that the guide plate 3 play the guiding role is located for steel pipe 8 to be punched, play the straightening chamber 6 of straightening effect, support the base 7 of whole mould, it is characterized in that: described drift 4 is detachable, as shown in Figure 3, arranging like this can make steel pipe 8 when by punching press, drift 4 is full of its inside when acting on, when backhaul, punching press effect block 42 can shrink, damage can not be caused to its inwall, its principle realized is, when after whole mould installation, steel pipe 8 is placed in die 5, now pacify and drift 4 is placed in steel pipe 8 inside, operating hydraulically operated machine makes depression bar 2 capable, compressing drift 4 through whole steel pipe 8, thus realize the processing of internal spline, as shown in Figure 2, when backhaul, depression bar 2 moves upward, pin 21 is made to pull pressing plate 43 to make depression bar 2 depart from punching press effect block 42, now it can bounce back and can not cause damage to inwall, when being circulated to the operation of next root steel pipe 8, this stylish steel pipe 8 put into above have a squeezing action, make manufactured steel pipe 8 through straightening chamber 6, and the gap of the major diameter fit of the internal diameter in straightening chamber 6 and steel pipe 8 is very little, steel pipe 8 is had to the effect of a straightening, then fall through its cavity, finally the product processed can be removed arrangement, described drift 4 is divided into base plate 41 punching press effect block 42 pressing plate 43, such structure provides condition for realizing punch diameter is variable, make it can while variable diameter at agency part, the usefulness of its punching press effect is unaffected, the base plate 41 of described drift 4 being provided with its stroke lowest part of spring catch 411 can lower than the upper surface of base plate, position-limiting action can be formed like this to punching press effect block 42, eliminate its position-limiting action when also can shrink, it is inclined-plane that the bottom of the punching press effect block 42 of described drift 4 is processed with its cross sectional shape of bayonet fittings groove 421, can realize it like this can along the unidirectional slip of base plate, and its unidirectional slip only needs less radial load just can realize, without the need to artificial force, connect with bolt between three parts of described drift 4, its thickness is not less than 1/2nd of steel pipe 8 diameter to be processed, its three part can be enable like this to link together reliably, and drift entirety can be made like this to have enough rigidity and intensity realizes ability required for punching press, as shown in Figure 4, described straightening chamber 6 is processed with steel pipe 8 joint the chamfering 61 that reduces pressure, its maximum gauge 5-10mm larger than pipe diameter, the Volume Changes of steel pipe when being squeezed distortion can be made like this to have open ended space, if there is no spatial accommodation, its reaction force can move the effect generation distortion that the steel pipe 8 making to process is subject to power on steel pipe 8, thus affect stamping quality.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the separable internal spline diel of drift, described mould comprises: it is connected with the drift (4) that punching press pull bar (2) plays punching press effect to the pressed sheet (1) for hydraulic press force, the die (5) that the guide plate (3) play the guiding role is located for steel pipe to be punched (8), play the straightening chamber (6) of straightening effect, support the base (7) of whole mould, it is characterized in that: described drift (4) is detachable.
2. the separable internal spline diel of a kind of drift according to claim 1, is characterized in that, described drift (4) is divided into base plate (41) punching press effect block (42) pressing plate (43).
3. the separable internal spline diel of a kind of drift according to claim 2, is characterized in that, the base plate (41) of described drift (4) being provided with its stroke lowest part of spring catch (411) can lower than the upper surface of base plate (41).
4. the separable internal spline diel of a kind of drift according to claim 2, is characterized in that, it is inclined-plane that the bottom of the punching press effect block (42) of described drift (4) is processed with bayonet fittings groove (421) its cross sectional shape.
5. the separable internal spline diel of a kind of drift according to claim 2, is characterized in that, connect with bolt between three parts of described drift (4), its thickness is not less than 1/2nd of steel pipe to be processed (8) diameter.
6. the separable internal spline diel of a kind of drift according to claim 2, is characterized in that, the pressing plate (43) of described drift (4) has the arm-tie (432) for drift backhaul.
7. the separable internal spline diel of a kind of drift according to claim 1, is characterized in that, described straightening chamber (6) and steel pipe (8) joint are processed with the chamfering (61) that reduces pressure, its maximum gauge 5-10mm larger than steel pipe (8) internal diameter.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410695116.1A CN104399818B (en) | 2014-11-27 | 2014-11-27 | A kind of drift separable internal spline diel |
| CN201610253564.5A CN105855385B (en) | 2014-11-27 | 2014-11-27 | A kind of diel for protecting internal spline |
| CN201610253565.XA CN105903811B (en) | 2014-11-27 | 2014-11-27 | A kind of internal spline diel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410695116.1A CN104399818B (en) | 2014-11-27 | 2014-11-27 | A kind of drift separable internal spline diel |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610253565.XA Division CN105903811B (en) | 2014-11-27 | 2014-11-27 | A kind of internal spline diel |
| CN201610253564.5A Division CN105855385B (en) | 2014-11-27 | 2014-11-27 | A kind of diel for protecting internal spline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104399818A true CN104399818A (en) | 2015-03-11 |
| CN104399818B CN104399818B (en) | 2016-08-24 |
Family
ID=52637521
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610253565.XA Active CN105903811B (en) | 2014-11-27 | 2014-11-27 | A kind of internal spline diel |
| CN201610253564.5A Expired - Fee Related CN105855385B (en) | 2014-11-27 | 2014-11-27 | A kind of diel for protecting internal spline |
| CN201410695116.1A Active CN104399818B (en) | 2014-11-27 | 2014-11-27 | A kind of drift separable internal spline diel |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610253565.XA Active CN105903811B (en) | 2014-11-27 | 2014-11-27 | A kind of internal spline diel |
| CN201610253564.5A Expired - Fee Related CN105855385B (en) | 2014-11-27 | 2014-11-27 | A kind of diel for protecting internal spline |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN105903811B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414317A (en) * | 2015-11-30 | 2016-03-23 | 成都睿达致祥科技有限公司 | Internal spline punch with machining face damage preventing function |
| CN105414280A (en) * | 2015-11-30 | 2016-03-23 | 成都睿达致祥科技有限公司 | Two-stage stamping device for machining reducing spline |
| CN110947848A (en) * | 2019-12-04 | 2020-04-03 | 东台东之达电子有限公司 | A high life mould for CNC precision finishing steel |
| CN112720982A (en) * | 2020-12-04 | 2021-04-30 | 中北大学 | Rubber part punch forming device with replaceable mold |
| CN115070441A (en) * | 2022-08-23 | 2022-09-20 | 江苏源达恒汽车配件有限公司 | Spline shaft cold press molding equipment and process |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105903811B (en) * | 2014-11-27 | 2018-01-09 | 四川九鼎智远知识产权运营有限公司 | A kind of internal spline diel |
Citations (5)
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| JPS6221430A (en) * | 1985-07-22 | 1987-01-29 | Toyota Motor Corp | Gear cutting method by press |
| CN2439344Y (en) * | 2000-06-30 | 2001-07-18 | 长春汽车材料研究所 | Integral key cold extruding forming die |
| CN101249523A (en) * | 2008-04-11 | 2008-08-27 | 袁正敏 | Method for wedge pressure forming process gear wheel |
| CN102489601A (en) * | 2011-11-29 | 2012-06-13 | 大连大显精密轴有限公司 | Spline shaft machining mould |
| CN203459452U (en) * | 2013-07-29 | 2014-03-05 | 江苏森威精锻有限公司 | Die for improving run-out accuracy of external circle of internal splined shaft |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4416142A (en) * | 1981-08-31 | 1983-11-22 | Olin Corporation | Apparatus for simultaneously forming a cap member with internal threads |
| DE3311590A1 (en) * | 1983-03-30 | 1984-10-04 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Process and apparatus for the production of a housing for a locking differential for motor vehicles |
| SU1186342A1 (en) * | 1983-08-05 | 1985-10-23 | Nikolaj A Kleshchev | Apparatus for upsetting tube blanks |
| CN102335810B (en) * | 2011-08-19 | 2013-11-06 | 江苏森威精锻有限公司 | Method for forming precise slender internal spline tube |
| CN105903811B (en) * | 2014-11-27 | 2018-01-09 | 四川九鼎智远知识产权运营有限公司 | A kind of internal spline diel |
-
2014
- 2014-11-27 CN CN201610253565.XA patent/CN105903811B/en active Active
- 2014-11-27 CN CN201610253564.5A patent/CN105855385B/en not_active Expired - Fee Related
- 2014-11-27 CN CN201410695116.1A patent/CN104399818B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6221430A (en) * | 1985-07-22 | 1987-01-29 | Toyota Motor Corp | Gear cutting method by press |
| CN2439344Y (en) * | 2000-06-30 | 2001-07-18 | 长春汽车材料研究所 | Integral key cold extruding forming die |
| CN101249523A (en) * | 2008-04-11 | 2008-08-27 | 袁正敏 | Method for wedge pressure forming process gear wheel |
| CN102489601A (en) * | 2011-11-29 | 2012-06-13 | 大连大显精密轴有限公司 | Spline shaft machining mould |
| CN203459452U (en) * | 2013-07-29 | 2014-03-05 | 江苏森威精锻有限公司 | Die for improving run-out accuracy of external circle of internal splined shaft |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414317A (en) * | 2015-11-30 | 2016-03-23 | 成都睿达致祥科技有限公司 | Internal spline punch with machining face damage preventing function |
| CN105414280A (en) * | 2015-11-30 | 2016-03-23 | 成都睿达致祥科技有限公司 | Two-stage stamping device for machining reducing spline |
| CN105414317B (en) * | 2015-11-30 | 2017-08-25 | 南通江海港建设工程有限公司 | A kind of internal spline drift for preventing machined surface impaired |
| CN110947848A (en) * | 2019-12-04 | 2020-04-03 | 东台东之达电子有限公司 | A high life mould for CNC precision finishing steel |
| CN112720982A (en) * | 2020-12-04 | 2021-04-30 | 中北大学 | Rubber part punch forming device with replaceable mold |
| CN115070441A (en) * | 2022-08-23 | 2022-09-20 | 江苏源达恒汽车配件有限公司 | Spline shaft cold press molding equipment and process |
| CN115070441B (en) * | 2022-08-23 | 2022-11-18 | 江苏源达恒汽车配件有限公司 | Spline shaft cold press molding equipment and process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105903811B (en) | 2018-01-09 |
| CN104399818B (en) | 2016-08-24 |
| CN105855385A (en) | 2016-08-17 |
| CN105903811A (en) | 2016-08-31 |
| CN105855385B (en) | 2018-01-09 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20151230 Address after: 610041 Sichuan Province, Chengdu Tianfu Street 69 No. 1 Building 1 unit 16 floor No. 1610 Applicant after: Sichuan nine ancient cooking vessel intelligence intellectual property operation far away Co., Ltd Address before: The three group of 618400 Deyang city of Sichuan province Shifang Wuyi Jian Shi Zhen Village Applicant before: SICHUAN SHIFANG XINYUAN PIPE FITTINGS CO., LTD. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Guanxiang Inventor after: Cao Yiwu Inventor after: Fan Shaowei Inventor after: Li Huazao Inventor after: Luo Dongbiao Inventor after: Xie Yalong Inventor before: Liu Xilin |
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| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170410 Address after: Third industrial zone, Tanzhou Town, Guangdong, Zhongshan, China, 528467 Patentee after: Zhongshan Jia Li Precision Co., Ltd. Address before: 610041 Sichuan Province, Chengdu Tianfu Street 69 No. 1 Building 1 unit 16 floor No. 1610 Patentee before: Sichuan nine ancient cooking vessel intelligence intellectual property operation far away Co., Ltd |
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| TR01 | Transfer of patent right |