CN104384348B - One-step deep-drawing forming die for cylindrical metallic components - Google Patents

One-step deep-drawing forming die for cylindrical metallic components Download PDF

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Publication number
CN104384348B
CN104384348B CN201410713549.5A CN201410713549A CN104384348B CN 104384348 B CN104384348 B CN 104384348B CN 201410713549 A CN201410713549 A CN 201410713549A CN 104384348 B CN104384348 B CN 104384348B
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China
Prior art keywords
hole
mould
die
concave
convex mold
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Application number
CN201410713549.5A
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Chinese (zh)
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CN104384348A (en
Inventor
张孟孙
杨卫宾
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Shaanxi Baocheng Aviation Instrument Co Ltd
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Shaanxi Baocheng Aviation Instrument Co Ltd
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Priority to CN201410713549.5A priority Critical patent/CN104384348B/en
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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
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • 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
    • B21D35/00Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • 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
    • B21D45/00Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/02Ejecting devices
    • B21D45/04Ejecting devices interrelated with motion of tool

Abstract

The invention provides a one-step deep-drawing forming die for cylindrical metallic components. The one-step deep-drawing forming die comprises an upper die and a lower die. A punch-cum-blanking die is arranged in a center hole of an elastic discharge device and is fixed onto the lower end surface of the upper die, a deep-drawing forming hole is formed in the axial lower end of the punch-cum-blanking die, and a blank of a component can be arranged on the upper end surface of a female die; the upper die can move downwardly, so that the blank of the component can be compressed by the elastic device, then the deep-drawing forming hole and the upper end of a deep-drawing male die are matched with each other, and the blank of the component can be subjected to deep-drawing to obtain the cylindrical component; the punch-cum-blanking die and the female die are matched with each other when the upper die moves downwardly until the punch-cum-blanking die is inserted in a center hole of the female die, so that an outer circle of the blank of the component can be shorn; a shearing boss on the deep-drawing male die and the lower end of the deep-drawing forming hole act on each other after the upper die moves downwards until the cylindrical component is subjected to deep-drawing forming, so that the component can be shorn. The one-step deep-drawing forming die has the advantages that the one-step deep-drawing forming die is simple in structure and convenient to operate, the cylindrical component can be formed at one step without being secondarily machined, accordingly, the manufacturing cost of the cylindrical component can be reduced, and the machining cycle can be shortened.

Description

Mould for cylindrical metal part by one-step drawing and forming
Technical field
The invention belongs to machine components processing mold technical field is and in particular to a kind of be used for cylindrical metal part by one-step The mould of property drawing and forming.
Background technology
At present, cylindrical metal part drawing shapes is one of main stamping procedure, is mainly used in machinery industry, tradition Cylindrical metal part forming is mainly completed by drawing and forming operation, but the subject matter that traditional drawing and forming mould structure exists Be metal parts shape when part height size it cannot be guaranteed that it is ensured that part height size can only rely on turner or trimming operation Complete, so cause that cylindrical metal part manufacturing cost is too high, the part process-cycle is long, the shortcomings of low production efficiency, because This is it is necessary to improve.
Content of the invention
Present invention solves the technical problem that: a kind of mould for cylindrical metal part by one-step drawing and forming is provided, After moving down by concave-convex mold, cylindrical component is become with drawing with drawing punch upper end from drawing and forming hole, and cylindrical by concave-convex mold Perisporium lower end and the cooperation of die centre bore upper wall surface, by cylindrical for part blank shearing, are sheared boss and drawing and forming hole lower end are mutual Part shearing it is ensured that not needing to carry out secondary operations to it while cylindrical component height dimension, is greatly reduced by effect The manufacturing cost of cylindrical component, shortens its process-cycle.
The technical solution used in the present invention: for the mould of cylindrical metal part by one-step drawing and forming, there is upper mould With lower mould, described upper mould lower surface is provided with elastic tripper, the center in the hole of described elastic tripper be provided with concave-convex mold and Concave-convex mold is fixed on mould lower surface, and described concave-convex mold lower axial end is formed with drawing and forming hole, and described lower mould upper surface is provided with Drawing punch and punch retainer, described drawing punch be placed in punch retainer center in the hole and by punch retainer by its It is fixed on lower mould, described punch retainer upper surface is provided with part blank and part blank makes elasticity dress by moving down of upper mould After putting compression, cylindrical component is become with drawing with drawing punch upper end from drawing and forming hole, described upper mould is displaced downwardly to concave-convex mold and inserts Pass through concave-convex mold with the cooperation of die centre bore by cylindrical for part blank shearing, under described upper mould during the central hole location entering die Being interacted by the shearing boss being formed on drawing punch and drawing and forming hole lower end after moving to cylindrical component drawing and forming will Part is sheared.
Wherein, described elastic tripper includes pressing plate, stepped screw, spring and concave-convex mold fixed plate, on described upper mould It is formed with shoulder hole and through hole, described pressing plate is located at below upper mould and stepped screw lower end passes through shoulder hole and located at upper mould lower end Concave-convex mold fixed plate on the screw that is formed on pressing plate of Kong Houyu screw fixation, described spring is sleeved on stepped screw and puts Spring upper and lower side on the left of pressing plate is against concave-convex mold fixed plate lower surface and pressing plate upper surface, the bullet on the right side of described pressing plate respectively Spring upper end is placed in the in the hole of concave-convex mold fixed plate and is against mould lower surface and lower spring end is against pressing plate upper surface, described concavo-convex The center bore inner wall face upper end of mould fixed plate is formed with limited impression, and described concave-convex mold is placed in concave-convex mold fixed plate and pressing plate Heart in the hole and be formed on the positive stop lug boss of concave-convex mold upper end and coordinate with limited impression, described concave-convex mold be axially formed with central through hole and Central through hole is connected with drawing and forming hole, and pull bar passes through through hole and central through hole fixing even with the jacking block located at drawing and forming in the hole Connect and pass through moving down of jacking block to eject the cylindrical component shaping from drawing and forming in the hole.
Further, described punch fixed mount includes punch retainer, poppet, ejector and die, and described punch is fixed Plate is placed in lower mould upper surface, and push rod lower end sequentially passes through after being formed on punch retainer shoulder hole and the unthreaded hole that is formed on lower mould stretches Go out lower mould and be placed in outside it, described poppet is placed in punch retainer upper surface and die is placed on poppet, long spiro nail upper end according to The screwed hole that the secondary Kong Houyu through on counterbore, punch retainer and poppet on lower mould is formed on die screws fixation, described top Part device is placed in the center in the hole of poppet and die and passes through the die and punch retainer stroke limit up and down to ejector, described Shearing boss is formed with drawing punch and its lower end is formed with positive stop lug boss, described drawing punch passes through punch retainer and head part After the centre bore of device, positive stop lug boss and the limited impression being formed on punch retainer center bore inner wall face lower end coordinate, and described zero Part blank is placed in die upper surface and positions part blank after alignment pin is coordinated with the hole being formed on upper surface on the left of die It is fixed on die.
Further, described upper mould passes through concave-convex mold outer circle wall when being displaced downwardly to the central hole location of concave-convex mold insertion die The cooperation of lower end and die centre bore upper wall surface is by cylindrical for part blank shearing.
Present invention advantage compared with prior art:
1st, after moving down by concave-convex mold, cylindrical component, cylinder are become with drawing with drawing punch upper end from drawing and forming hole Precisely, each part concordance is good for shape spare part outside measurement;
2nd, by cylindrical for part blank shearing with concave-convex mold outer circle wall lower end and die centre bore upper wall surface, shear convex Platform and drawing and forming hole lower end interact and shear part, after drawing and forming, cylindrical component are sheared, make cylindrical shape Part by one-step shapes, and need not carry out secondary operations to it, reduce the manufacturing cost of cylindrical component, shorten the process-cycle;
3rd, structure is simple, easy to operate, and processing, is improved it is ensured that cylindrical component height dimension with discharging process mechanism The reliability of the course of processing.
Brief description
Structural representation when Fig. 1 molds for the present invention;
Fig. 2 is working state structure schematic diagram of the present invention.
Specific embodiment
1,2 a kind of embodiment of the present invention is described below in conjunction with the accompanying drawings.
For the mould of cylindrical metal part by one-step drawing and forming, there is upper mould 17 and lower mould 18, described upper mould 17 Lower surface is provided with elastic device, and the center in the hole of described elastic device is provided with concave-convex mold 11 and concave-convex mold 11 is fixed under mould 17 On end face, described concave-convex mold 11 lower axial end is formed with drawing and forming hole 19, and described lower mould 18 upper surface is provided with drawing punch 3 and convex Mould fixed plate, described drawing punch 3 is placed in the center in the hole of punch retainer and is fixed in lower mould by punch retainer On 18, described die upper surface be provided with part blank and part blank by upper mould 17 move down make elastic tripper compress after Cylindrical component is become with drawing with drawing punch 3 upper end from drawing and forming hole 19, described upper mould 17 is displaced downwardly to concave-convex mold 11 and inserts Enter to pass through the wall cooperation of concave-convex mold 11 and die centre bore during die central hole location by cylindrical for part blank shearing, described on Mould 17 be displaced downwardly to cylindrical component drawing and forming after by the shearing boss 20 being formed on drawing punch 3 and drawing and forming hole 19 lower end Interact and part is sheared;Described upper mould 17 passes through concave-convex mold when being displaced downwardly to the central hole location of concave-convex mold 11 insertion die 6 The cooperation of 11 outer circle wall lower ends and die 6 centre bore upper wall surface is by cylindrical for part blank shearing, specifically, described elastic device Including pressing plate 7, stepped screw 8, spring 9 and concave-convex mold fixed plate 13, described upper mould 17 is formed with shoulder hole 21 and through hole 22, Described pressing plate 7 is located at upper mould 17 lower section and stepped screw 8 lower end and passes through shoulder hole 21 and the concave-convex mold located at upper mould 17 lower end solid The screw that Kong Houyu in fixed board 13 is formed on pressing plate 7 screws fixation, and described spring 9 is sleeved on stepped screw 8 and is placed in pressure Spring 9 upper and lower side in plate 7 left side is against concave-convex mold fixed plate 13 lower surface and pressing plate 7 upper surface respectively, described pressing plate 7 right side Spring 9 upper end is placed in the in the hole of concave-convex mold fixed plate 13 and is against mould 17 lower surface and spring 9 lower end and is against pressing plate 7 upper end Face, the center bore inner wall face upper end of described concave-convex mold fixed plate 13 is formed with limited impression 23, and described concave-convex mold 11 is placed in concave-convex mold The center in the hole of fixed plate 13 and pressing plate 7 and be formed on the positive stop lug boss 24 of concave-convex mold 11 upper end and limited impression 23 coordinates, institute State that concave-convex mold 11 is axially formed with central through hole 25 and central through hole 25 connects with drawing and forming hole 19, pull bar 12 is through through hole 22 He Central through hole 25 be fixedly connected with the jacking block 10 in drawing and forming hole 19 and pass through jacking block 10 move down will shape cylinder Shape part ejects in drawing and forming hole 19;Described punch fixed mount includes punch retainer 4, poppet 15, ejector 5 and die 6, described punch retainer 4 is placed in lower mould 18 upper surface, and push rod 16 lower end sequentially passes through and is formed on punch retainer 4 shoulder hole 26 It is placed in outside it with stretching out lower mould 18 after the unthreaded hole being formed on lower mould 18, described poppet 15 is placed in punch retainer 4 upper surface And die 6 is placed on poppet 15, long spiro nail 1 upper end sequentially passes through on counterbore 27, punch retainer 4 and poppet 15 on lower mould 18 The screwed hole that Kong Houyu is formed on die 6 screws fixation, and described ejector 5 is placed in the center in the hole of poppet 15 and die 6 and leads to Cross die 6 and punch retainer 4 stroke limit up and down to ejector 5, described drawing punch 3 is formed with shearing boss 20 and its Lower end is formed with positive stop lug boss 28, and described drawing punch 3 passes through positive stop lug boss after punch retainer 4 and the centre bore of ejector 5 28 are coordinated with the limited impression 2 being formed on punch retainer 4 center bore inner wall face lower end, and described part blank is placed in die 6 Part blank positioning is simultaneously fixed on die 6 after alignment pin 14 is coordinated with the hole being formed on die 6 left side upper surface by upper surface On.
During use, mould installion is fixed on common press machine, after work starts, press machine slide block is transported upwards Moving and pass through die shank on lathe drives upper mould 17 to move upwards, makes upper mould 17 and lower mould 18 partly separately, then by part Blank is put into die 6 upper surface and by positioning pin member 14, it is accurately positioned, and press machine slide block drives upper mould by die shank 17 move downward, and spring 9 makes pressing plate 7 and ejector 5 part blank be compressed from upper and lower both direction respectively simultaneously, upper mould 17 Continue to move downward, the center in the hole that punch-die 11 enters die 6 shears that part blank is cylindrical first, and then stretching convex die 3 is entered Enter in the drawing and forming hole 19 of punch-die 11 to draw in part blank material and in the drawing and forming hole 19 of punch-die 11, form cylinder Shape part, now, ejector 5 is headed on by concave-convex mold 11 lower end and moves downward, and after shaping reaches part height size, passes through The drawing and forming hole 19 of punch-die 11 and stretching convex die 3 cylindrical on shearing boss 20 interaction shearing shaping is carried out to part, Then lathe ejection system pushes push rod 16, makes push rod 16 head on ejector 5 and ejects waste material from die part 5, pull bar 12 to Under head on the part ejection that jacking block 10 stays in drawing and forming hole 19, complete drawing and the shearing of part, structure is simple, operation Convenient, make part by one-step drawing and forming, secondary shearing processing need not be carried out to it, reduce being manufactured into of cylindrical component This, shorten the process-cycle.
Above-described embodiment, simply presently preferred embodiments of the present invention, be not used for limiting the scope of the present invention, thus all with this The equivalence changes that content described in invention claim is done, all should be included within scope of the invention as claimed.

Claims (3)

1. it is used for the mould of cylindrical metal part by one-step drawing and forming, there is upper mould (17) and lower mould (18), its feature exists In: described upper mould (17) lower surface is provided with elastic tripper, and the center in the hole of described elastic tripper is provided with concave-convex mold And concave-convex mold (11) is fixed on mould (17) lower surface concave-convex mold fixed plate (13), described concave-convex mold (11) lower axial end (11) It is formed with drawing and forming hole (19), described lower mould (18) upper surface is provided with drawing punch (3) and punch retainer, described drawing punch (3) it is placed in the center in the hole of punch retainer and is fixed on lower mould (18) by punch retainer, described punch is fixed Plate upper surface is provided with part blank and part blank makes elastic tripper be become by drawing after compressing by moving down of upper mould (17) Shape hole (19) becomes cylindrical component with drawing punch (3) upper end cooperation drawing, and described upper mould (17) is displaced downwardly to concave-convex mold (11) and inserts Enter die (6) central hole location when cooperating cylindrical for part blank shearing, institute by concave-convex mold (11) and die (6) State and become with drawing by the shearing boss (20) being formed on drawing punch (3) after mould (17) is displaced downwardly to cylindrical component drawing and forming Shape hole (19) lower end interacts and shears part;Described elastic tripper includes pressing plate (7), stepped screw (8), spring (9) and concave-convex mold fixed plate (13), described upper mould (17) is formed with stepped hole (21) and through hole (22), described pressing plate (7) is located at Below upper mould (17) and stepped screw (8) lower end passes through stepped hole (21) and the concave-convex mold fixed plate located at upper mould (17) lower end (13) screw that the Kong Houyu on is formed on pressing plate (7) screws fixation, and described spring (9) is sleeved on stepped screw (8) above and puts Spring (9) upper and lower side on the left of pressing plate (7) is against concave-convex mold fixed plate (13) lower surface and pressing plate (7) upper surface, institute respectively State spring (9) upper end on the right side of pressing plate (7) to be placed in the in the hole of concave-convex mold fixed plate (13) and be against mould (17) lower surface and bullet Spring (9) lower end is against pressing plate (7) upper surface, and the center bore inner wall face upper end of described concave-convex mold fixed plate (13) is formed with limited impression (23), described concave-convex mold (11) is placed in the center in the hole of concave-convex mold fixed plate (13) and pressing plate (7) and is formed on concave-convex mold (11) The positive stop lug boss (24) at end is coordinated with limited impression (23), and described concave-convex mold (11) is axially formed with central through hole (25) and center Through hole (25) is connected with drawing and forming hole (19), and pull bar (12) passes through through hole (22) and central through hole (25) and located at drawing and forming Jacking block (10) in hole (19) be fixedly connected and pass through jacking block (10) move down by shape cylindrical component from drawing and forming hole (19) ejection in.
2. the mould for cylindrical metal part by one-step drawing and forming according to claim 1 it is characterised in that: convex Mould fixed mount includes punch retainer (4), poppet (15), ejector (5) and die (6), and described punch retainer (4) is placed in down Mould (18) upper surface, push rod (16) lower end sequentially passes through and is formed on punch retainer (4) shoulder hole (26) and is formed on lower mould (18) On unthreaded hole after stretch out lower mould (18) and be placed in outside it, described poppet (15) is placed in punch retainer (4) upper surface and die (6) it is placed on poppet (15), long spiro nail (1) upper end sequentially passes through the upper counterbore (27) of lower mould (18), punch retainer (4) and poppet (15) screwed hole that the Kong Houyu on is formed on die (6) screws fixation, and described ejector (5) is placed in poppet (15) and die (6) center in the hole simultaneously passes through die (6) and punch retainer (4) stroke limit up and down to ejector (5), and described drawing is convex Shearing boss (20) is formed with mould (3) and its lower end is formed with positive stop lug boss (28), described drawing punch (3) is fixed through punch After the centre bore of plate (4) and ejector (5) positive stop lug boss (28) be formed on punch retainer (4) center bore inner wall face lower end Limited impression (2) coordinates, and described part blank is placed in die (6) upper surface and passes through alignment pin (14) and be formed on die (6) After the hole cooperation of left side upper surface, part blank positioning is fixed on die (6).
3. the mould for cylindrical metal part by one-step drawing and forming according to claim 2 it is characterised in that: institute State mould (17) be displaced downwardly to concave-convex mold (11) insert die (6) central hole location when pass through concave-convex mold (11) outer circle wall lower end Cooperation with die (6) centre bore upper wall surface is by cylindrical for part blank shearing.
CN201410713549.5A 2014-11-28 2014-11-28 One-step deep-drawing forming die for cylindrical metallic components Active CN104384348B (en)

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CN201410713549.5A CN104384348B (en) 2014-11-28 2014-11-28 One-step deep-drawing forming die for cylindrical metallic components

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Application Number Priority Date Filing Date Title
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CN104384348B true CN104384348B (en) 2017-02-01

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Publication number Priority date Publication date Assignee Title
CN106001262B (en) * 2016-06-22 2018-02-06 中航飞机起落架有限责任公司 The diel of the dust cap of undercarriage outer barrel head vent holes and manufacture method
CN106734486B (en) * 2016-11-25 2018-12-18 沈阳黎明航空发动机(集团)有限责任公司 A kind of the aviation sheet metal component press-processing method and its mold of biaxial tension
CN111451379A (en) * 2020-04-01 2020-07-28 广东天倬智能装备科技有限公司 Stamping and stretching die and working method

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JP2005007441A (en) * 2003-06-19 2005-01-13 Yoshihiro Kato Press
JP4026154B2 (en) * 2006-06-02 2007-12-26 内田工機株式会社 Die set guide post positioning structure
CN102319800B (en) * 2011-06-29 2013-04-10 无锡市中捷减震器有限公司 Multifunctional one-time forming die
CN202343710U (en) * 2011-09-27 2012-07-25 牟维军 Compound die mechanism for blanking and drawing
CN202367047U (en) * 2011-10-27 2012-08-08 重庆市北碚区枫火机械制造有限公司 Blanking stretching mould of belt bottom cylindrical structure
CN202824415U (en) * 2012-10-23 2013-03-27 温州职业技术学院 Cutting sleeve once shaping cold punching mould
CN203356350U (en) * 2013-06-30 2013-12-25 陕西宝成航空仪表有限责任公司 One-step forming die of metal ring with edge

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