CN106216490A - A kind of diaphragm spring Sheet Metal Forming Technology - Google Patents

A kind of diaphragm spring Sheet Metal Forming Technology Download PDF

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Publication number
CN106216490A
CN106216490A CN201610671534.6A CN201610671534A CN106216490A CN 106216490 A CN106216490 A CN 106216490A CN 201610671534 A CN201610671534 A CN 201610671534A CN 106216490 A CN106216490 A CN 106216490A
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CN
China
Prior art keywords
window
diaphragm spring
punching
base material
fillet
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.)
Pending
Application number
CN201610671534.6A
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Chinese (zh)
Inventor
宁立峥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Dafan Auto Parts Co Ltd
Original Assignee
Hubei Dafan Auto Parts Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hubei Dafan Auto Parts Co Ltd filed Critical Hubei Dafan Auto Parts Co Ltd
Priority to CN201610671534.6A priority Critical patent/CN106216490A/en
Publication of CN106216490A publication Critical patent/CN106216490A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/24Perforating, i.e. punching holes
    • B21D28/26Perforating, i.e. punching holes in sheets or flat parts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)

Abstract

The present invention relates to a kind of diaphragm spring Sheet Metal Forming Technology, comprise the steps: base, diaphragm spring raw material plate is provided, and segmentation obtains diaphragm spring base material;Rush window, utilize punch press that the diaphragm spring base material obtained by base is the most disposably punched even number window;Rush window channel, utilize the window channel punch press diaphragm spring base material after window that liquidates to carry out the punching of window channel, rush even number window channel every time;Extruding window fillet, window channel will be rushed after diaphragm spring base material be placed on window fillet mould, and utilize window fillet mould that all windows of described diaphragm spring base material are extruded simultaneously, complete the fillet of window;Heat treatment, to extruding window fillet after diaphragm spring base material carry out heat treatment.The invention has the beneficial effects as follows: it is good that the window's position degree ensures, extruding window fillet is uniform, facilitates the assembling of later stage clutch, improves the service life of diaphragm spring.

Description

A kind of diaphragm spring Sheet Metal Forming Technology
Technical field
The present invention relates to diaphragm spring processing technique field, particularly relate to a kind of diaphragm spring Sheet Metal Forming Technology.
Background technology
Diaphragm spring is a strength member in the middle of clutch cover and plate assembly, and it is during clutch uses, Ji Yaoqi Abundant to compressing (directly related with the load parameter of diaphragm spring) torsion pass, separate thoroughly, the most also to ensure to separate finger tip resistance to Mill, during whole use, diaphragm spring can not rupture, it is often more important that ensure in clutch assembling process smooth and easy.
The main technique that diaphragm spring makes: punching press, heat treatment (quench, be tempered, finger tip high-frequency quenching), shot-peening, suppress (include hot prestressing and cold suppress), Road test, all too many levels such as oil surface is antirust, pack, transport, and the conjunction of Sheet Metal Forming Technology Reason arranges the good for delivery of part to be played vital effect.
At present, existing Sheet Metal Forming Technology process is that the drift using window trough of belt to be integrated carries out punching press, due to capacity of equipment Restriction, the punching of window trough of belt operation needs to complete for two to three times.Multiple rotary positions, and can cause circumferentially positioned dividing equally not Good, window fillet R-band can be squeezed to subsequent window and come uneven, affect service life.
Summary of the invention
The technical problem to be solved is to provide one and is able to ensure that subsequent window squeezes window fillet R uniformly, enters And improve the diaphragm spring Sheet Metal Forming Technology in the service life of diaphragm spring.
The technical scheme is that a kind of diaphragm spring Sheet Metal Forming Technology, including walking as follows Rapid:
Step one, base, offer diaphragm spring raw material plate, split by machining mode or cut mode and obtain Diaphragm spring base material;
Step 2, rush window, made for the step one diaphragm spring base material obtained is placed on window punch press, and utilize window The drift of perforating die the most disposably punches even number window to described diaphragm spring base material;
Step 3, rush window channel, the diaphragm spring base material of window made in step 2 is placed on window channel punch press, and profit With the drift of window channel perforating die, the window on described diaphragm spring base material is carried out the punching of window channel, rushes even number window every time Mouthful groove, and by corresponding number of times, all windows are completed the punching of window channel according to the quantity of window;
Step 4, extruding window fillet, the diaphragm spring base material of window channel made in step 3 is placed into window fillet On mould, and utilize window fillet mould that all windows of described diaphragm spring base material are extruded simultaneously, complete the circle of window Angle.
The invention has the beneficial effects as follows: by first punching of window being completed, recycling repeatedly carries out rushing of window channel System, not only make that the window's position degree ensures is fine, but also the most highly beneficial, together to subsequent extrusion window fillet operation Time be also convenient for the assembling of later stage clutch, install smooth and easy, effectively raise the service life of diaphragm spring.
On the basis of technique scheme, the present invention can also do following improvement.
Further, in step 2, the number of windows of punching is 24.
Further, step 3 is rushed when carrying out the punching of window channel 12 window channel every time, completes 24 windows in two times The window channel punching of mouth.
Further, step 3 is rushed when carrying out the punching of window channel 8 window channel every time, completes 24 windows in three times Window channel punching.
Further, step 3 is rushed when carrying out the punching of window channel 6 window channel every time, completes 24 windows in four times Window channel punching.
Further, step 3 is rushed when carrying out the punching of window channel 4 window channel every time, completes 24 windows in six times Window channel punching.
Further, step 3 is rushed when carrying out the punching of window channel 2 window channel every time, divide and complete 24 windows for 12 times The window channel punching of mouth.
Use and above-mentioned further provide the benefit that: be easy to later stage extruding window fillet.
Further, in step 4 when carrying out extruding window fillet, the fillet scope of the window extruded is R2 ± 0.75.
Further, the fillet scope of the window extruded is R2 ± 0.5.
Further, the fillet scope of the window extruded is R2 ± 0.25.
Use and above-mentioned further provide the benefit that: be easy to the assembling of later stage clutch, it is ensured that installation smooth and easy.
Accompanying drawing explanation
Fig. 1 is that diaphragm spring of the present invention is carrying out the structural representation before extruding window fillet;
Fig. 2 is diaphragm spring of the present invention extrudes the structural representation after window fillet carrying out;
Fig. 3 is that diaphragm spring of the present invention is at the orientation diagram carrying out extruding window fillet;
What Fig. 4 was the quantity every time rushing window channel on diaphragm spring service life affects graph of a relation.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining the present invention, and Non-for limiting the scope of the present invention.
Embodiment one: as shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of diaphragm spring Sheet Metal Forming Technology, comprise the steps:
Step one, base, offer diaphragm spring raw material plate, split by machining mode or cut mode and obtain Diaphragm spring base material;
Step 2, rush window, made for the step one diaphragm spring base material obtained is placed on window punch press, and utilize window Described diaphragm spring base material is the most disposably rushed 24 windows by the drift of perforating die;
Step 3, rush window channel, the diaphragm spring base material of window made in step 2 is placed on window channel punch press, and profit With the drift of window channel perforating die, the window on described diaphragm spring base material is carried out the punching of window channel, each 2 window channel, By the punching of the window channel that 12 times complete 24 windows;
Step 4, extruding window fillet, the diaphragm spring base material of window channel made in step 3 is placed into window fillet On mould, and utilize window fillet mould that all windows of described diaphragm spring base material are extruded simultaneously, complete the circle of window Angle, wherein, the fillet scope of the window extruded is R2 ± 0.25.
Embodiment two: as shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of diaphragm spring Sheet Metal Forming Technology, comprise the steps:
Step one, base, offer diaphragm spring raw material plate, split by machining mode or cut mode and obtain Diaphragm spring base material;
Step 2, rush window, made for the step one diaphragm spring base material obtained is placed on window punch press, and utilize window Described diaphragm spring base material is the most disposably rushed 24 windows by the drift of perforating die;
Step 3, rush window channel, the diaphragm spring base material of window made in step 2 is placed on window channel punch press, and profit With the drift of window channel perforating die, the window on described diaphragm spring base material is carried out the punching of window channel, each 12 windows Groove, completes the punching of window channel to 24 windows by secondary;
Step 4, extruding window fillet, the diaphragm spring base material of window channel made in step 3 is placed into window fillet On mould, and utilize window fillet mould that all windows of described diaphragm spring base material are extruded simultaneously, complete the circle of window Angle, wherein, the fillet scope of the window extruded is R2 ± 0.25.
Embodiment three: as shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of diaphragm spring Sheet Metal Forming Technology, comprise the steps:
Step one, base, offer diaphragm spring raw material plate, split by machining mode or cut mode and obtain Diaphragm spring base material;
Step 2, rush window, made for the step one diaphragm spring base material obtained is placed on window punch press, and utilize window Described diaphragm spring base material is the most disposably rushed 24 windows by the drift of perforating die;
Step 3, rush window channel, the diaphragm spring base material of window made in step 2 is placed on window channel punch press, and profit With the drift of window channel perforating die, the window on described diaphragm spring base material is carried out the punching of window channel, each 4 window channel, By the punching of the window channel that six times complete 24 windows;
Step 4, extruding window fillet, the diaphragm spring base material of window channel made in step 3 is placed into window fillet On mould, and utilize window fillet mould that all windows of described diaphragm spring base material are extruded simultaneously, complete the circle of window Angle, wherein, the fillet scope of the window extruded is R2 ± 0.25.
Embodiment four: as shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of diaphragm spring Sheet Metal Forming Technology, comprise the steps:
Step one, base, offer diaphragm spring raw material plate, split by machining mode or cut mode and obtain Diaphragm spring base material;
Step 2, rush window, made for the step one diaphragm spring base material obtained is placed on window punch press, and utilize window Described diaphragm spring base material is the most disposably rushed 24 windows by the drift of perforating die;
Step 3, rush window channel, the diaphragm spring base material of window made in step 2 is placed on window channel punch press, and profit With the drift of window channel perforating die, the window on described diaphragm spring base material is carried out the punching of window channel, each 6 window channel, By the punching of the window channel that four times complete 24 windows;
Step 4, extruding window fillet, the diaphragm spring base material of window channel made in step 3 is placed into window fillet On mould, and utilize window fillet mould that all windows of described diaphragm spring base material are extruded simultaneously, complete the circle of window Angle, wherein, the fillet scope of the window extruded is R2 ± 0.25.
Embodiment five: as shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of diaphragm spring Sheet Metal Forming Technology, comprise the steps:
Step one, base, offer diaphragm spring raw material plate, split by machining mode or cut mode and obtain Diaphragm spring base material;
Step 2, rush window, made for the step one diaphragm spring base material obtained is placed on window punch press, and utilize window Described diaphragm spring base material is the most disposably rushed 24 windows by the drift of perforating die;
Step 3, rush window channel, the diaphragm spring base material of window made in step 2 is placed on window channel punch press, and profit With the drift of window channel perforating die, the window on described diaphragm spring base material is carried out the punching of window channel, each 8 window channel, By the punching of the window channel that three times complete 24 windows;
Step 4, extruding window fillet, the diaphragm spring base material of window channel made in step 3 is placed into window fillet On mould, and utilize window fillet mould that all windows of described diaphragm spring base material are extruded simultaneously, complete the circle of window Angle, wherein, the fillet scope of the window extruded is R2 ± 0.25.
Machining mode is specially shearing machine processing, punch press processing, digital control processing or sawing machine processing.
Before diaphragm spring base material is carried out window punching, first diaphragm spring base material being carried out surface preparation, removing adds The burr on its surface and impurity after work cutting, wherein remove surface spikes and impurity is specially and carries out diaphragm spring base material surface Polishing or polishing.
The quantity of punching window channel is to there is certain impact, through the most repeatedly to the service life of diaphragm spring every time Experiment draws, as shown in Figure 4, wherein, Y-axis represents the relation in the quantity of each punching window channel and the service life of diaphragm spring Service life, X-axis represent the quantity of each punching window channel, and the horizontal horizontal line in figure represents making of diaphragm spring in prior art With the life-span, as can be seen from the figure when the quantity of each punching window channel is about 8, the service life of diaphragm spring is Long.When not representing 24 window channel of a punching in Fig. 4, in the service life of diaphragm spring, its main cause is affected by ability The restriction of device within the domain ability, at present cannot disposable 24 window channel of punching.During the punching that this is external carries out window channel, use Two alignment pins position, and prevent and circumferentially rotate, in FIG the distribution form of two alignment pins have been carried out table State.
Diaphragm spring Sheet Metal Forming Technology of the present invention, by completing the punching of 24 windows so that the window's position It is fine that degree ensures, the most highly beneficial to subsequent extrusion window fillet operation, simultaneously because clutch is during assembling, Window needs supporting rivet to be passed through, and so to installing smooth and easy playing a good role, improves the use longevity of diaphragm spring Life.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " up time Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three Individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc. Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral;Can be that machinery connects Connect, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For those of ordinary skill in the art For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, revises, replaces and modification.

Claims (10)

1. a diaphragm spring Sheet Metal Forming Technology, it is characterised in that comprise the steps:
Step one, base, offer diaphragm spring raw material plate, split by machining mode or cut mode and obtain diaphragm Spring base material;
Step 2, rush window, made for the step one diaphragm spring base material obtained is placed on window punch press, and utilize window punching The drift of mould the most disposably punches even number window to described diaphragm spring base material;
Step 3, rush window channel, the diaphragm spring base material of window made in step 2 is placed on window channel punch press, and utilize window The drift of mouth groove perforating die carries out the punching of window channel to the window on described diaphragm spring base material, rushes even number window every time Groove, and by corresponding number of times, all windows are completed the punching of window channel according to the quantity of window;
Step 4, extruding window fillet, the diaphragm spring base material of window channel made in step 3 is placed into window fillet mould On, and utilize window fillet mould that all windows of described diaphragm spring base material are extruded simultaneously, complete the fillet of window.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 1, it is characterised in that the window of punching in described step 2 Mouth quantity is 24.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 2, it is characterised in that carrying out window in described step 3 Rush 12 window channel, the window channel punching of 24 windows that make two bites at a cherry during the punching of mouthful groove every time.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 2, it is characterised in that carrying out window in described step 3 Rush 8 window channel during the punching of mouthful groove every time, complete the window channel punching of 24 windows in three times.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 2, it is characterised in that carrying out window in described step 3 Rush 6 window channel during the punching of mouthful groove every time, complete the window channel punching of 24 windows in four times.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 2, it is characterised in that carrying out window in described step 3 Rush 4 window channel during the punching of mouthful groove every time, complete the window channel punching of 24 windows in six times.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 2, it is characterised in that carrying out window in described step 3 Rush 2 window channel during the punching of mouthful groove every time, point complete the window channel punching of 24 windows for 12 times.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 1, it is characterised in that squeezing in described step 4 During pressure window fillet, the fillet scope of the window extruded is R2 ± 0.75.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 8, it is characterised in that the fillet model of the window extruded Enclose for R2 ± 0.5.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 9, it is characterised in that the fillet of the window extruded Scope is R2 ± 0.25.
CN201610671534.6A 2016-08-16 2016-08-16 A kind of diaphragm spring Sheet Metal Forming Technology Pending CN106216490A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107413986A (en) * 2017-07-31 2017-12-01 桂林福达重工锻造有限公司 A kind of automotive driven slice processing method
CN108176763A (en) * 2017-12-22 2018-06-19 湖北大帆汽车零部件有限公司 A kind of technique for persistently reducing diaphragm spring load attenuation rate
CN112588995A (en) * 2020-11-11 2021-04-02 长春一东离合器股份有限公司 Method for improving contact between damping spring and stamping part in clutch

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JPH01164828A (en) * 1987-12-17 1989-06-28 Daikin Mfg Co Ltd Manufacture of diaphragm spring
CN201511079U (en) * 2009-09-21 2010-06-23 湖北大帆汽车零部件有限公司 Stamping die for processing clutch diaphragm spring
CN101966541A (en) * 2010-08-17 2011-02-09 浙江龙华汽配制造有限公司 Reinforcing structure of punching die for diaphragm spring
CN102284606A (en) * 2011-08-05 2011-12-21 桂林福达股份有限公司 Optimized stamping process for diaphragm spring with DST (direct solution treatment) structure
CN103527659A (en) * 2013-10-24 2014-01-22 中国重汽集团济南动力有限公司 Diaphragm spring for clutch

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US4020937A (en) * 1975-12-10 1977-05-03 Borg-Warner Corporation Fabricated clutch pressure plate
JPH01164828A (en) * 1987-12-17 1989-06-28 Daikin Mfg Co Ltd Manufacture of diaphragm spring
CN201511079U (en) * 2009-09-21 2010-06-23 湖北大帆汽车零部件有限公司 Stamping die for processing clutch diaphragm spring
CN101966541A (en) * 2010-08-17 2011-02-09 浙江龙华汽配制造有限公司 Reinforcing structure of punching die for diaphragm spring
CN102284606A (en) * 2011-08-05 2011-12-21 桂林福达股份有限公司 Optimized stamping process for diaphragm spring with DST (direct solution treatment) structure
CN103527659A (en) * 2013-10-24 2014-01-22 中国重汽集团济南动力有限公司 Diaphragm spring for clutch

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107413986A (en) * 2017-07-31 2017-12-01 桂林福达重工锻造有限公司 A kind of automotive driven slice processing method
CN108176763A (en) * 2017-12-22 2018-06-19 湖北大帆汽车零部件有限公司 A kind of technique for persistently reducing diaphragm spring load attenuation rate
CN108176763B (en) * 2017-12-22 2022-09-06 湖北大帆汽车零部件有限公司 Process for continuously reducing load attenuation rate of diaphragm spring
CN112588995A (en) * 2020-11-11 2021-04-02 长春一东离合器股份有限公司 Method for improving contact between damping spring and stamping part in clutch
CN112588995B (en) * 2020-11-11 2022-07-08 长春一东离合器股份有限公司 Method for improving contact between damping spring and stamping part in clutch

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