CN102626741A - Drawing compound molding die for shell with tooth form on side wall - Google Patents
Drawing compound molding die for shell with tooth form on side wall Download PDFInfo
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- CN102626741A CN102626741A CN2012101035140A CN201210103514A CN102626741A CN 102626741 A CN102626741 A CN 102626741A CN 2012101035140 A CN2012101035140 A CN 2012101035140A CN 201210103514 A CN201210103514 A CN 201210103514A CN 102626741 A CN102626741 A CN 102626741A
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- 238000000465 moulding Methods 0.000 title abstract description 9
- 150000001875 compounds Chemical class 0.000 title abstract 4
- 239000002131 composite material Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 26
- 239000004033 plastic Substances 0.000 description 8
- 238000007493 shaping process Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000000418 atomic force spectrum Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000010409 ironing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The invention discloses a drawing compound molding die for a shell with a tooth form on a side wall. The drawing compound molding die comprises an upper die component and a lower die component which can move relatively, wherein the upper die component comprises an upper die holder and a female die fixed on the upper die holder; the lower die component comprises a lower die holder and a male die fixed on the lower die holder; the female die is provided with an inner die cavity for molding the shell; the inner die cavity comprises a lower drawing section and an extruding section which extends upwards; the drawing section is cylindrical, and is in smooth transition with the extruding section; the circumferential wall of the extruding section is provided with a tooth form; the male die is cylindrical, and can extend into the inner die cavity of the female die; and the circumferential wall of the male die is provided with a tooth form which corresponds to the tooth form of the extruding section. The drawing compound molding die has the advantages of simple structure, easiness for assembling, low molding force and long service life, and is suitable for drawing and molding a shell part with a tooth form on a side wall.
Description
Technical field
The present invention relates to a kind of shaping dies, particularly a kind of pull and stretch composite forming die that is used for sidewall band profile of tooth housing workpiece belongs to field of mechanical technique.
Background technology
The housing part of sidewall band profile of tooth has in component of machine widely to be used; The most common example application is the automobile clutch housing; The two ends of this clutch housing are connected with engine with gearbox body respectively; Supporting the weight of speed changer, bearing bigger moment of torsion simultaneously, its precision and quality directly affect the serviceability of automobile.
At present, to the moulding of the housing workpiece of sidewall band profile of tooth, do not find related patent U.S. Patent No. as yet.Aspect academic research, the Dong Hongbo of Nanchang University of aviation (forging technology, 2009; 34 (4): the cup-shaped internal gear that 32-36) adopted the shear spinning apparatus processing; And its forming process simulated, the method is applicable to the cup shell with internal tooth form, and wall thickness is thicker; The Li Xuesong of Shanghai Communications University (forging and pressing equipment and manufacturing technology; 2006; 41 (1): 49-52) through punch-die relative motion the be shaped circumferential profile of tooth of automobile clutch lining of side blow from outside to inside, go for the shaping of the profile of tooth of differing heights, forming accuracy is higher; Korea S Jung Min Lee teaches (International Journal of Machine Tools&Manufacture 2006; (46): 640-650) adopt the be shaped external tooth form of clutch housing of the way of ironing; And wherein each factor carried out sunykatuib analysis, the method is applicable to the shaping of housing external tooth form.
But all there is certain limitation in above-mentioned these methods; Then there is following deficiency in housing part as said method being used for sidewall band profile of tooth of the present invention: (1) spinning process needs specialized apparatus; General enterprise can't adopt; Limited by the part wall thickness, this to a great extent limit its promote the use of.(2) the bulging process plastic force is too big, and mould structure is complicated, and mould damages easily, and there are very high requirement in mold materials, structure and life-span, is difficult to the little part of forming dimension.(3) ironing technology is simple relatively, is a kind of technology of using always, but adopts first shaping cup shell, and the profile of tooth that on another station, is shaped again causes forming process more.So the housing to sidewall band profile of tooth presses for a kind of easy feasible technological more.Method of the present invention has not only been inherited the lot of advantages of said method, and has overcome a lot of shortcomings wherein, has very strong practicality.
Summary of the invention
The objective of the invention is to the deficiency to above-mentioned prior art, a kind of pull and stretch composite forming die that is used for sidewall band profile of tooth housing is provided, its mould structure is simple, assembling is easy, reaches the effect that reduces plastic force, improves die life simultaneously.
For realizing above-mentioned purpose, the present invention adopts following technical scheme to solve its technical problem:
A kind of pull and stretch composite forming die that is used for sidewall band profile of tooth housing; Comprise upper mould part and the lower mould part that to do relative motion; This upper mould part includes upper bolster and is fixed in the die on this upper bolster; Said lower mould part includes die shoe and is fixed in the punch on this die shoe, and said negative mold is useful on the interior die cavity of the said housing that is shaped, and die cavity comprises the pull and stretch section of bottom and by it upwardly extending extruded segment in this; This pull and stretch section be cylindric and with the extruded segment rounding off; The perisporium of this extruded segment is provided with flute profile, and said punch is cylindric and can stretches into the interior die cavity of said die that the perisporium of this punch is provided with and the corresponding flute profile of said extruded segment flute profile.
Said upper mould part also includes and is arranged at the head part device in the die cavity in the said die, and this head part device is made up of rubber, kicker and nut; Said lower mould part also comprises the device for discharging that is arranged at said punch periphery, and this device for discharging is made up of stripper, spring and push rod.
Said upper mould part also includes backing plate, and said die passes through this shim on said upper bolster; Said lower mould part also includes fixed head and antirotation keys, and this fixed head is fixed on the die shoe and edge is placed in outside the said punch, said antirotation keys be embedded between this punch and the fixed head in case after rotation relatively takes place between the two.
Realize the relative motion of guiding up and down through guide pillars and bushes between said upper bolster and the die shoe.
The pull and stretch section of die cavity and extruded segment adopt inclined-plane and fillet to carry out rounding off in the said die.
The present invention has substituted the process of traditional single operation of multiple tracks through combined forming process, has not only integrated the advantage of conventional method, and has abandoned their shortcoming; Simplified mould structure; Improved production efficient, reduced production cost, be suitable for producing in enormous quantities.
The pull and stretch composite forming die that is used for sidewall band profile of tooth housing of the present invention has following advantage:
(1) said punch and die all have flute profile, and the interior die cavity of die comprises the pull and stretch section and the extruded segment of rounding off, and this not only is shaped housing pull and stretch and profile of tooth to be integrated on the same operation and realizes; Reached the effect of simplifying mould structure, reducing manufacturing procedure, boost productivity, and because the distortion of housing sidewall flute profile begins to gradually change from the bottom, material flows to the top gradually from the bottom; Whole forming process is gradual; Have the advantages that progressively be shaped, therefore with respect to the process of step distortion, plastic force reduces greatly; Also reduced requirement, improved product quality simultaneously and prolonged die life production equipment.
(2) mould is provided with head part device and device for discharging simultaneously, can reach to prevent the purpose of drip molding clamping stagnation in die or punch.
(3) punch adopts the fixed head location, antirotation keys is set has simultaneously prevented that the punch rotation from causing protruding, die flute profile dislocation.
Operation principle of the present invention is: when carrying out shaping that sidewall has the shell part of profile of tooth and producing; The forming process of blank is divided into 4 stages: under the effect of punch motion; The blank plate is pushed into die but does not contact the extruded segment of die; The periphery of blank plate forms the flange of tubular, and this process is the housing pull and stretch stage; Then punch continues motion, and the extruded segment of blank contact die begin to take place local bulging, but flange does not all get into die yet, and this moment, lip diameter diminished gradually, and cylindrical member bottom attenuation is obvious, and this is the stage that blank breaks the most easily in the forming process; Then, punch continues motion, and flange portion is all drawn in the interior die cavity of die, and the profile of tooth height on the flange sidewall is increasingly high, has only the variation of profile of tooth in this stage, and the variation of lip diameter does not take place; At last, along with the continuation campaign of punch, blank is drawn in the die extruded segment fully, and whole sidewall profile of tooth is shaped fully, and forming process finishes.
Description of drawings
Fig. 1 is the front view of structure of the present invention.
Fig. 2 is the left view of structure of the present invention.
Fig. 3 is the structural representation of die of the present invention.
Fig. 4 carries out the process sketch map of part forming for adopting the present invention.
Fig. 5 is for adopting the plastic force curve of bulging process.
Fig. 6 is for adopting the plastic force curve of pull and stretch combination process.
The specific embodiment
Below in conjunction with embodiment technical scheme of the present invention is done further explain, this embodiment is a prerequisite with technical scheme of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Please consult Fig. 1 and Fig. 2 structural representation of the present invention simultaneously, the pull and stretch composite forming die that diagram is used for sidewall band profile of tooth housing comprises upper mould part and the lower mould part that can do relative motion.
Said upper mould part includes upper bolster 1, backing plate 2, head part device and die 5.Said upper bolster 1 is provided with guide pin bushing 3.Said die 5 utilizes pin to be fixed on the said upper bolster 1 through said backing plate 2, and this backing plate 2 is folded between upper bolster 1 and the die 5.See also Fig. 3; Said die 5 has the interior die cavity of the said housing that is used to be shaped; Should comprise pull and stretch section and extruded segment by interior die cavity, this pull and stretch section is cylindric and is positioned at the bottom of die 5 that said extruded segment is extended upward by this pull and stretch section; The perisporium of this extruded segment is provided with the consistent flute profile of desire processing housing sidewall, and said pull and stretch section adopts inclined-plane and fillet and extruded segment rounding off.See also Fig. 1, said head part device is arranged in the interior die cavity of said die 5, and this head part device is made up of rubber 4, kicker 13 and nut 12, this rubber 4 be placed on kicker 13 around, this nut 12 is connected kicker 13 and rubber 4 on the backing plate 2.
Said lower mould part includes die shoe 11, fixed head 10, antirotation keys 19, device for discharging and punch 14.Please combine to consult Fig. 2, said die shoe 11 presses solidly on cushion block 17, cushion block 21 and cushion block 22, and this three cushion block 17,21 and 22 usefulness screws 18 are fixed on the bottom plate 23.This die shoe 11 is provided with the guide pillar 7 that inserts in upper bolster 1 guide pin bushing 3, thereby realizes the relative motion of guiding up and down through guide pillar 7 and guide pin bushing 3 between upper bolster 1 and the die shoe 11.Said punch 14 is cylindric, and its perisporium is provided with and the said die 5 interior corresponding flute profiles of die cavity extruded segment flute profile, and this punch 14 can stretch into the interior die cavity of said die 5, thereby can realize the shaping to the housing sidewall profile of tooth.Said fixed head 10 is fixed on the die shoe 11 through pin 16 and screw 20, and edge is placed in outside the said punch 14.This punch 14 is fixed on the die shoe 11 through screw 15, said antirotation keys 19 be embedded between this punch 14 and the fixed head 10 in case after rotation relatively takes place between the two, thereby guarantee that punch 14 is relative with die 5 profiles of tooth.Said device for discharging is arranged at the periphery of said punch 14, and it is made up of stripper 6, spring 8 and push rod 9, and this spring 8 is placed on the periphery of push rod 9, and this stripper 6 is connected in the upper end of push rod 9.
See also Fig. 4, working process of mould according to the invention is following:
At first, the shaping blank is placed in the stepped hole of stripper 6, the upper bolster 1 that is fixed on the forcing press moves downward under the press ram effect, drives die 5 simultaneously and moves downward; Subsequently, blank is at first gone out flange by pull and stretch and forms cylindrical member and be drawn into die 5 gradually, and in the flange portion distortion, the cylindrical member bottom contacts with the parts of tooth of die cavity extruded segment in the die 5 gradually and local bulging takes place; Then, flange portion is all drawn in die 5, and the flange distortion finishes, while parts of tooth continuous deformation, and die cavity extruded segment in whole blanks all are drawn into is accomplished the shaping of profile of tooth.In this process, the spring 8 of lower mould part constantly is compressed, and push rod 9 moves downward along the hole on fixed head 10 and the die shoe 11, and meanwhile, the rubber 4 in the upper mould part is compressed gradually, and kicker 13 moves upward along the hole on backing plate 2 and the upper bolster 1.After be shaped accomplishing, the slide block backhaul also drives upper bolster 1 and moves upward; If stay above the punch 14 after the part forming, then along with the release of spring 8 elastic forces, stripper 6 moves upward part is unloaded from punch 14; If stay in the die 5 after the part forming, then rubber 4 ejects part along with the release drive kicker 13 of elastic force moves downward in die 5.
Fig. 5 is the plastic force curve of prior art employing bulging process, and Fig. 6 adopts the plastic force curve of pull and stretch combination process for the present invention.Can find out that from the figure contrast plastic force of the present invention descends rapidly after reaching peak value, and less than traditional handicraft.
Claims (5)
1. pull and stretch composite forming die that is used for sidewall band profile of tooth housing; Comprise upper mould part and the lower mould part that to do relative motion; It is characterized in that: said upper mould part includes upper bolster and is fixed in the die on this upper bolster; Said lower mould part includes die shoe and is fixed in the punch on this die shoe, and said negative mold is useful on the interior die cavity of the said housing that is shaped, and die cavity comprises the pull and stretch section of bottom and by it upwardly extending extruded segment in this; This pull and stretch section be cylindric and with the extruded segment rounding off; The perisporium of this extruded segment is provided with profile of tooth, and said punch is cylindric and can stretches into the interior die cavity of said die that the perisporium of this punch is provided with and the corresponding profile of tooth of said extruded segment profile of tooth.
2. the pull and stretch composite forming die that is used for sidewall band profile of tooth housing according to claim 1 is characterized in that: said upper mould part also includes and is arranged at the head part device in the die cavity in the said die, and this head part device is made up of rubber, kicker and nut; Said lower mould part also comprises the device for discharging that is arranged at said punch periphery, and this device for discharging is made up of stripper, spring and push rod.
3. the pull and stretch composite forming die that is used for sidewall band profile of tooth housing according to claim 2, it is characterized in that: said upper mould part also includes backing plate, and said die passes through this shim on said upper bolster; Said lower mould part also includes fixed head and antirotation keys, and this fixed head is fixed on the die shoe and edge is placed in outside the said punch, said antirotation keys be embedded between this punch and the fixed head in case after rotation relatively takes place between the two.
4. the pull and stretch composite forming die that is used for sidewall band profile of tooth housing according to claim 1 is characterized in that: realize the relative motion of guiding up and down through guide pillars and bushes between said upper bolster and the die shoe.
5. the pull and stretch composite forming die that is used for sidewall band profile of tooth housing according to claim 1 is characterized in that: the pull and stretch section of die cavity and extruded segment adopt inclined-plane and fillet to carry out rounding off in the said die.
Priority Applications (1)
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CN2012101035140A CN102626741A (en) | 2012-04-10 | 2012-04-10 | Drawing compound molding die for shell with tooth form on side wall |
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CN2012101035140A CN102626741A (en) | 2012-04-10 | 2012-04-10 | Drawing compound molding die for shell with tooth form on side wall |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102886443A (en) * | 2012-09-17 | 2013-01-23 | 芜湖市续元工贸有限公司 | Stamping die and stamping method thereof |
CN102886435A (en) * | 2012-09-17 | 2013-01-23 | 芜湖市续元工贸有限公司 | Stamping die |
CN103111513A (en) * | 2012-11-14 | 2013-05-22 | 无锡爱博金属制品有限公司 | Trunk lid lock stiffening plate stretching mould |
CN103464589A (en) * | 2013-09-05 | 2013-12-25 | 昆山旭龙精密机械有限公司 | Stamping die for improving limiting effect |
CN103785735A (en) * | 2014-01-20 | 2014-05-14 | 上海交通大学 | Three-dimensional ultrasonic vibration auxiliary deep drawing machining device of mini-type metal thin wall cup piece |
CN104588552A (en) * | 2014-12-30 | 2015-05-06 | 绍兴县格洛博机械制造有限公司 | Spline hub tooth profile forming device and spline hub tooth profile forming process |
CN105033067A (en) * | 2015-08-17 | 2015-11-11 | 苏州乐丰电梯部件有限公司 | Hook reversing die for elevator platy assembly |
CN105033068A (en) * | 2015-08-17 | 2015-11-11 | 苏州乐丰电梯部件有限公司 | Turning hook die for door hanging board |
CN105344827A (en) * | 2015-11-30 | 2016-02-24 | 宁波东港紧固件制造有限公司 | Micromotor shell once molding mold |
CN105964861A (en) * | 2016-06-30 | 2016-09-28 | 娄土岭 | Clutch forging and pressing mold and use method thereof |
CN109047361A (en) * | 2018-08-22 | 2018-12-21 | 威海华邦精冲科技股份有限公司 | Lateral compression molding die, molding machine and method with non-straight-through indent tooth form |
CN109590391A (en) * | 2018-12-20 | 2019-04-09 | 青岛海信模具有限公司 | A kind of Sheet drawing mold |
CN110153282A (en) * | 2018-02-06 | 2019-08-23 | 滁州昭阳电信通讯设备科技有限公司 | A kind of process equipment of single side concave cartridge type part |
CN112222272A (en) * | 2020-09-24 | 2021-01-15 | 中国航发贵州黎阳航空动力有限公司 | Method for processing head outer ring |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006116593A (en) * | 2004-10-25 | 2006-05-11 | Aisin Aw Co Ltd | Method and apparatus for forming cup-shaped part |
JP2007160333A (en) * | 2005-12-12 | 2007-06-28 | Aisin Aw Co Ltd | Method for forming cup shape component, and forming apparatus |
CN101195142A (en) * | 2007-12-26 | 2008-06-11 | 陕西科技大学 | Mold and shaping technique for metal sheet material deep-drawing cup shell |
CN101947589A (en) * | 2010-08-12 | 2011-01-19 | 重庆市华青汽车配件有限公司 | Punching device for buffer support of rear shock absorber of automobile |
WO2011064098A1 (en) * | 2009-11-27 | 2011-06-03 | Schaeffler Technologies Gmbh & Co. Kg | Chipless produced bearing shell |
-
2012
- 2012-04-10 CN CN2012101035140A patent/CN102626741A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006116593A (en) * | 2004-10-25 | 2006-05-11 | Aisin Aw Co Ltd | Method and apparatus for forming cup-shaped part |
JP2007160333A (en) * | 2005-12-12 | 2007-06-28 | Aisin Aw Co Ltd | Method for forming cup shape component, and forming apparatus |
CN101195142A (en) * | 2007-12-26 | 2008-06-11 | 陕西科技大学 | Mold and shaping technique for metal sheet material deep-drawing cup shell |
WO2011064098A1 (en) * | 2009-11-27 | 2011-06-03 | Schaeffler Technologies Gmbh & Co. Kg | Chipless produced bearing shell |
CN101947589A (en) * | 2010-08-12 | 2011-01-19 | 重庆市华青汽车配件有限公司 | Punching device for buffer support of rear shock absorber of automobile |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102886435A (en) * | 2012-09-17 | 2013-01-23 | 芜湖市续元工贸有限公司 | Stamping die |
CN102886443A (en) * | 2012-09-17 | 2013-01-23 | 芜湖市续元工贸有限公司 | Stamping die and stamping method thereof |
CN103111513B (en) * | 2012-11-14 | 2016-01-06 | 无锡爱博金属制品有限公司 | Boot-lid lock stiffener drawing die |
CN103111513A (en) * | 2012-11-14 | 2013-05-22 | 无锡爱博金属制品有限公司 | Trunk lid lock stiffening plate stretching mould |
CN103464589A (en) * | 2013-09-05 | 2013-12-25 | 昆山旭龙精密机械有限公司 | Stamping die for improving limiting effect |
CN103785735A (en) * | 2014-01-20 | 2014-05-14 | 上海交通大学 | Three-dimensional ultrasonic vibration auxiliary deep drawing machining device of mini-type metal thin wall cup piece |
CN103785735B (en) * | 2014-01-20 | 2015-08-19 | 上海交通大学 | The auxiliary deep-drawing processing device of three-dimensional ultrasonic vibration of micro metal thin-walled cup |
CN104588552B (en) * | 2014-12-30 | 2017-02-22 | 绍兴县格洛博机械制造有限公司 | Spline hub tooth profile forming device and spline hub tooth profile forming process |
CN104588552A (en) * | 2014-12-30 | 2015-05-06 | 绍兴县格洛博机械制造有限公司 | Spline hub tooth profile forming device and spline hub tooth profile forming process |
CN105033068A (en) * | 2015-08-17 | 2015-11-11 | 苏州乐丰电梯部件有限公司 | Turning hook die for door hanging board |
CN105033067A (en) * | 2015-08-17 | 2015-11-11 | 苏州乐丰电梯部件有限公司 | Hook reversing die for elevator platy assembly |
CN105033068B (en) * | 2015-08-17 | 2017-08-29 | 苏州乐丰电梯部件有限公司 | A kind of door strap turns over hook mould |
CN105344827A (en) * | 2015-11-30 | 2016-02-24 | 宁波东港紧固件制造有限公司 | Micromotor shell once molding mold |
CN105964861A (en) * | 2016-06-30 | 2016-09-28 | 娄土岭 | Clutch forging and pressing mold and use method thereof |
CN110153282A (en) * | 2018-02-06 | 2019-08-23 | 滁州昭阳电信通讯设备科技有限公司 | A kind of process equipment of single side concave cartridge type part |
CN109047361A (en) * | 2018-08-22 | 2018-12-21 | 威海华邦精冲科技股份有限公司 | Lateral compression molding die, molding machine and method with non-straight-through indent tooth form |
CN109047361B (en) * | 2018-08-22 | 2024-04-05 | 威海华邦精冲科技股份有限公司 | Lateral extrusion forming die, forming device with non-straight-through concave tooth shape and method |
CN109590391A (en) * | 2018-12-20 | 2019-04-09 | 青岛海信模具有限公司 | A kind of Sheet drawing mold |
CN112222272A (en) * | 2020-09-24 | 2021-01-15 | 中国航发贵州黎阳航空动力有限公司 | Method for processing head outer ring |
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Application publication date: 20120808 |