CN105855385B - A kind of diel for protecting internal spline - Google Patents
A kind of diel for protecting internal spline Download PDFInfo
- Publication number
- CN105855385B CN105855385B CN201610253564.5A CN201610253564A CN105855385B CN 105855385 B CN105855385 B CN 105855385B CN 201610253564 A CN201610253564 A CN 201610253564A CN 105855385 B CN105855385 B CN 105855385B
- Authority
- CN
- China
- Prior art keywords
- drift
- punching press
- steel pipe
- internal spline
- diel
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The present invention has separated a kind of diel for protecting internal spline, and described mould includes:For the pressed sheet of hydraulic press force（1）Punching press pull bar is connected with thereon（2）Play the drift of punching press（4）, the guide plate that play the guiding role（3）For steel pipe to be punched（8）The cavity plate of positioning（5）, play the straightening chamber of straightening（6）, support the base of whole mould（7）, it is characterised in that：Described drift（4）For detachable, it can solve the problem that in the process of internal spline tube, the problem of unnecessary damage is caused to the spline inwall processed due to drift backhaul, and its drift is separable, is changed for consumable accessory very convenient.
Description
The present invention is Application No. 2014106951161, entitled：A kind of separable internal spline stamping die of drift
The divisional application of tool.
Technical field
The invention belongs to field of machining, especially relates to a kind of diel for protecting internal spline.
Background technology
In the prior art at present, internal spline tube or set are typically shaped by the way of broaching tool broaching, its spline of broaching
The draw ratio limit is usually no more than 6 times, but we referring now to automobile steering device spline tubing string internal spline draw ratio
Reach 10 times, the mode broached with broaching tool is obviously difficult that can not even realize, such as can also produce draw ratio ratio using swaging techniques
Larger splined tube, but swaging techniques cost of investment is high, and risk is big, and productivity ratio is low, not practical enough, so there is some further
Improve using the long tubular workpieces of the mode processing length with punching press, processing forms internal spline tube, but comes at present
Say, the processing method typically used makes its surface smooth, and be beneficial to punching press to be first surface-treated to workpiece to be processed
When lubrication, can be easy to process, and ensure its crudy, but for present diel, using
Drift reciprocating acts on come the punching press realized, when drift acts on, workpiece to be processed surface possesses the property slided through processing
Can, after processed, extruding of the drift to inwall changes its internal diameter, and the greasing substance of script on inwall can so reduced even
Disappear, can be contacted when drift bounces back in inwall, so if the gap of impurity or drift it is excessive when, drift can be right
Inwall causes unnecessary damage, causes crudy to decline, or even causes product rejection, influences efficiency and the economy of processing
Property.
The content of the invention
It is an object of the invention to：A kind of diel for protecting internal spline is proposed, can solve the problem that above-mentioned in internal spline tube
Process in, the problem of unnecessary damage is caused to the spline inwall processed due to drift backhaul, and it is rushed
Head is separable, is changed for consumable accessory very convenient.
The purpose of the present invention is realized by following technical proposals：
A kind of diel for protecting internal spline, described mould include:Connect thereon for the pressed sheet of hydraulic press force
The drift that punching press pull bar plays punching press is connected to, the guide plate playing the guiding role supplies the cavity plate of steel pipe to be punched positioning, plays straightening
The straightening chamber of effect, support the base of whole mould, it is characterised in that：Described drift is detachable, and its operation principle is,
When punching press pull bar loads drift during work, it promotes punching press to act on the diameter that block reaches needs, and in the work of hydraulic fluid press
With it is lower for workpiece apply needed for pressure, so as to by extrude to steel pipe cause need deformation, after the completion of punching press, pull bar to
On lift, now punching press effect block can shrink, and the arm-tie that whole drift is acted on drift by the drawing pin on pull bar makes
Whole drift returns to initial position, so as to circulate the operation.
As a further improvement on the present invention, it is characterised in that described drift is divided into bottom plate punching press effect block pressur plate, this
The structure of sample is realization in the variable offer condition of punch diameter.
As a further improvement on the present invention, it is characterised in that spring catch its row is installed on the bottom plate of described drift
Journey lowest part can be less than the upper surface of bottom plate, and punching press effect block can so positioned by single direction.
As a further improvement on the present invention, described drift punching press effect block bottom be machined with bayonet fittings groove its
Cross sectional shape is inclined-plane, can so realize that it can unidirectionally be slided along bottom plate.
As a further improvement on the present invention, it is characterised in that use bolt between three parts of described drift
Connection, its thickness are not less than the half of diameter of steel tube to be processed, can so make drift integrally have enough rigidity real
Existing punching press.
As a further improvement on the present invention, it is characterised in that described straightening chamber is machined with decompression with steel pipe joint
Chamfering, its maximum gauge is bigger 5-10mm than pipe diameter, and Volume Changes of the steel pipe when being squeezed deformation can so had
Open ended space, eliminate it and extrude reaction force.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：It is proposed a kind of protection internal spline
Diel, can solve the problem that it is above-mentioned in the process of internal spline tube, because drift backhaul is to the spline that has processed
Inwall causes the problem of unnecessary damage, and its drift is separable, is changed for consumable accessory very convenient.
Brief description of the drawings
Fig. 1 is schematic diagram of the present invention.
Fig. 2 drift partial schematic diagrams.
Fig. 3 is drift profile.
Fig. 4 is decompression chamfering schematic diagram.
Marked in figure：1- pressed sheets, 2- punching presses pull bar, 21- pins, 3- guide plates, 4- drifts, 41- bottom plates, 411- springs
Pin, 42- punching presses effect block, 421- bayonet fittings groove, 43- pressing plates, 432- arm-ties, 5- cavity plates, 6- straightening chamber, 61- decompression chamfering,
7- bases, 8- steel pipes.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As Fig. 1 to 4 show a kind of embodiment for the diel for protecting internal spline of the present invention, as shown in figure 1, a kind of anti-
The diel of internal spline is protected, described mould includes:Punching press pull bar 2 is connected with thereon for the pressed sheet 1 of hydraulic press force
Play the drift 4 of punching press, the guide plate 3 playing the guiding role supplies the cavity plate 5 of steel pipe 8 to be punched positioning, plays the tune of straightening
Straight chamber 6, support the base 7 of whole mould, it is characterised in that：Described drift 4 is detachable, as shown in figure 3, such set
Steel pipe 8 can be made when by punching press by putting, and drift 4 is in effect full of inside it, and when backhaul, punching press effect block 42 can shrink,
Its inwall will not be caused to damage, its principle realized is that after the completion of whole mould installion, steel pipe 8 is placed in into cavity plate 5
It is interior, now drift 4 is placed in inside steel pipe 8, manipulating hydraulic press makes punching press pull bar 2 capable, oppresses drift 4 and through whole steel
Pipe 8, so as to realize the processing of internal spline, as shown in Fig. 2 punching press pull bar 2 moves upwards when backhaul, pin 21 is set to pull pressing plate
43 make punching press pull bar 2 depart from punching press effect block 42, and now it, which can bounce back, to cause to damage to inwall, when being recycled to next
During the operation of steel pipe 8, this stylish steel pipe 8 being put into above have a squeezing action, pass through manufactured steel pipe 8
Straightening chamber 6, and the gap of the internal diameter of straightening chamber 6 and the major diameter fit of steel pipe 8 is very small, the work to steel pipe 8 with a straightening
With, then by its cavity fall, the product processed may finally be removed to arrangement, described drift 4 divides to be rushed for bottom plate 41
Pressure acts on the pressing plate 43 of block 42, and such structure makes it can diameter in effect partial to realize in the variable offer condition of punch diameter
While variable, the efficiency of its punching press effect is unaffected, and spring catch 411 its row is provided with the bottom plate 41 of described drift 4
Journey lowest part can be less than the upper surface of bottom plate, and so can act on block 42 to punching press forms position-limiting action, disappears when can also shrink
Except to its position-limiting action, the bottom of the punching press effect block 42 of described drift 4 is machined with bayonet fittings groove 421 its cross sectional shape and is
Inclined-plane, it can so realize that it can unidirectionally be slided along bottom plate, and its unidirectional slides only needs less radial load can real
It is existing, without artificial force, it is connected between three parts of described drift 4, its thickness is not less than steel to be processed
The half of the diameter of pipe 8, it can so make thirdly part can reliably link together, and can so make drift whole
There is body enough rigidity and intensity to realize ability required for punching press, as shown in figure 4, described straightening chamber 6 and the joint of steel pipe 8
Decompression chamfering 61 is machined with, its maximum gauge is bigger 5-10mm than pipe diameter, can so make steel pipe when being squeezed deformation
Volume Changes have open ended space, if without receiving space, its reaction force can move up along steel pipe 8 to be made to process
Steel pipe 8 is deformed by the effect of power, so as to influence stamping quality.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (3)
1. a kind of diel for protecting internal spline, described mould include:For the pressed sheet of hydraulic press force（1）, punching press
Plate（1）On be connected with punching press pull bar（2）, the punching press pull bar（2）On be connected with punching press effect drift（4）, the mould
Also include the guide plate playing the guiding role（3）, for steel pipe to be punched（8）The cavity plate of positioning（5）, play the straightening chamber of straightening
（6）With the base for supporting whole mould（7）, it is characterised in that：Described drift（4）For detachable, described drift（4）Point
For bottom plate（41）, punching press effect block（42）And pressing plate（43）, described drift（4）Bottom plate（41）On spring catch is installed
（411）Its stroke lowest part can be less than bottom plate（41）Upper surface, described drift（4）Pressing plate（43）On have for drift backhaul
Arm-tie（432）, described drift（4）Punching press effect block（42）Bottom be machined with bayonet fittings groove（421）, its section
It is shaped as inclined-plane.
A kind of 2. diel for protecting internal spline according to claim 1, it is characterised in that described drift（4）'s
It is connected between three parts, its thickness is not less than steel pipe to be processed（8）The half of diameter.
A kind of 3. diel for protecting internal spline according to claim 1, it is characterised in that described straightening chamber（6）
With steel pipe（8）Joint is machined with decompression chamfering（61）, its maximum gauge compares steel pipe（8）The big 5-10mm of internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253564.5A CN105855385B (en) | 2014-11-27 | 2014-11-27 | A kind of diel for protecting internal spline |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253564.5A CN105855385B (en) | 2014-11-27 | 2014-11-27 | A kind of diel for protecting internal spline |
| CN201410695116.1A CN104399818B (en) | 2014-11-27 | 2014-11-27 | A kind of drift separable internal spline diel |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410695116.1A Division CN104399818B (en) | 2014-11-27 | 2014-11-27 | A kind of drift separable internal spline diel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105855385A CN105855385A (en) | 2016-08-17 |
| CN105855385B true CN105855385B (en) | 2018-01-09 |
Family
ID=52637521
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410695116.1A Active CN104399818B (en) | 2014-11-27 | 2014-11-27 | A kind of drift separable internal spline diel |
| 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 |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410695116.1A Active CN104399818B (en) | 2014-11-27 | 2014-11-27 | A kind of drift separable internal spline diel |
| CN201610253565.XA Active CN105903811B (en) | 2014-11-27 | 2014-11-27 | A kind of internal spline diel |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN104399818B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399818B (en) * | 2014-11-27 | 2016-08-24 | 四川九鼎智远知识产权运营有限公司 | A kind of drift separable internal spline diel |
| 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 |
| CN105414280B (en) * | 2015-11-30 | 2017-05-24 | 青岛恒泰机械配件有限公司 | Two-stage stamping device for machining reducing spline |
| CN110947848B (en) * | 2019-12-04 | 2021-10-08 | 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 |
| 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 |
Family Cites Families (10)
| 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 |
| 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 |
| CN101249523B (en) * | 2008-04-11 | 2010-10-13 | 袁正敏 | Method for wedge pressure forming process gear wheel |
| 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 |
| 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 |
| CN104399818B (en) * | 2014-11-27 | 2016-08-24 | 四川九鼎智远知识产权运营有限公司 | A kind of drift separable internal spline diel |
-
2014
- 2014-11-27 CN CN201410695116.1A patent/CN104399818B/en active Active
- 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
Also Published As
| Publication number | Publication date |
|---|---|
| CN105903811A (en) | 2016-08-31 |
| CN105855385A (en) | 2016-08-17 |
| CN105903811B (en) | 2018-01-09 |
| CN104399818A (en) | 2015-03-11 |
| CN104399818B (en) | 2016-08-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180809 Address after: 528222 Foshan, Guangdong Province Nanhai District Xiao Tong new territory (TU name Sha Chong Wei) lot (mold shop) Patentee after: Yue Ding mould Co., Ltd of Foshan City Address before: 610041 Sichuan Chengdu high tech Zone No. 1 Tianfu 69 street 1 1 unit 16 level 1610 Patentee before: Sichuan nine ancient cooking vessel intelligence intellectual property operation far away Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20191127 |