CN101712060A - Cold pressing composite die - Google Patents

Cold pressing composite die Download PDF

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Publication number
CN101712060A
CN101712060A CN200910138393A CN200910138393A CN101712060A CN 101712060 A CN101712060 A CN 101712060A CN 200910138393 A CN200910138393 A CN 200910138393A CN 200910138393 A CN200910138393 A CN 200910138393A CN 101712060 A CN101712060 A CN 101712060A
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China
Prior art keywords
die
punch
screw
pin
blanking
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Pending
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CN200910138393A
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Chinese (zh)
Inventor
聂福荣
王玉兰
徐春园
张思成
刘德学
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聂福荣
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Priority to CN200910138393A priority Critical patent/CN101712060A/en
Publication of CN101712060A publication Critical patent/CN101712060A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a cold pressing composite die. A punch-die (31) is arranged in the centre of a trimming punch (30); the trimming punch (30) and a blanking die (2) are arranged on the central part of a lower die holder respectively; a guide post (25) is directly arranged on the lower die holder (1); a side sliding post (4) is arranged in the blanking die (2); the upper end face (A) of the punch-die (31) is lower than the upper end face (B) of the blanking die (2); the vertical distance between the two end faces (A, B) is approximately equal to the thickness of a processed blank; a guide sleeve (24) in an upper die is directly arranged below an upper die holder (21); a wedge (10) is arranged at the side edge of the upper die holder (21) through a second dowel (11) and a third bolt (12); a punch-die (22) and a punch (17) are arranged below the upper die holder (21) respectively; an ejector (3) is arranged in the punch-die (22); and the upper die and a lower die combined through the guide sleeve (24) and the guide post (25).

Description

A kind of cold pressing composite die
Technical field
The present invention relates to a kind of diel, particularly relate to the composite die structure of multiple stamping procedure.
Background technology
At present, all not having the basic stamping procedure that flange once drawing spare is shaped with aperture for side arm and bottom is: blanking, pull and stretch, punching, side cut specifically have following four kinds of forming technology schemes:
(1) blanking, pull and stretch, towards side opening, be shaped towards bottom outlet, single operation of cutting edge; (2) blanking, earlier compound towards bottom outlet, again pull and stretch, be shaped towards side opening, side cut single die; (3) blanking, pull and stretch, earlier compound towards bottom outlet are shaped towards side opening, side cut single die again; (4) blanking, pull and stretch, earlier compound towards side opening are again towards bottom outlet, side cut combined shaping.
By analyzing, scheme (1) mould structure is simple, but needs 5 secondary moulds, and efficient is very low, and can not produce high-precision stamping parts; Scheme (2) needs 4 secondary moulds, and accuracy and efficiency improves to some extent; Scheme (3) structure is complicated a little, needs 3 molds, and efficient and precision are to a certain degree improved; Scheme (4) mould structure complexity, efficient and precision are further enhanced, and need 2 molds.These four kinds of schemes can not satisfy the requirement of modern production high accuracy, low cost, high benefit far away.
Summary of the invention
The purpose of this invention is to provide a kind of cold pressing composite die.
The present invention is a kind of cold pressing composite die, a kind of composite cold stamping mold, comprise counterdie and patrix two parts, it is characterized in that counterdie is by die shoe 1, first screw 29, second screw 26, first pin 27, punch-die 31, side cut punch 30, blanking die 2, guide pillar 25, sideslip post 4, back-moving spring 7, side blow head 5, spacer pin 6, pin stop 8, eccentric swage 31 is formed, wherein punch-die 31 is installed in the center of side cut punch 30, side cut punch 30 and blanking die 2 are installed in the centre on the die shoe respectively, guide pillar 25 is directly installed on the die shoe 1, sideslip post 4 is installed in 2 li of blanking dies, the upper surface A of punch-die 31 is lower than the upper surface B of blanking die 2, two end face A, vertical range between the B approximates the thickness of processed blank;
Patrix is by discharging spring 9, wedge 10, second pin 11, the 3rd screw 12, the 3rd pin 13, the 4th screw 14, discharging screw 15, die shank 16, punch 17, the 5th screw 18, backing plate 19, discharging screw 20, upper bolster 21, punch-die 22, elasticity stripper 23, guide pin bushing 24 and backing-out punch 3 are formed, wherein guide pin bushing 24 is directly installed on upper bolster 21 times, wedge 10 is installed in upper bolster 21 sides by second pin 11 and the 3rd screw 12, punch-die 22, punch 17 is installed in upper bolster respectively 21 times, backing-out punch 3 is installed in 22 li of punch-dies, and patrix is by guide pin bushing 24 and guide pillar 25 and counterdie matched moulds.
Usefulness of the present invention: for side arm and bottom all be with aperture do not have flange once drawing spare forming technology scheme can make blanking, pull and stretch, side cut, towards side opening, compound towards bottom outlet, so only need 1 secondary mould, so its core technology designs blanking, pull and stretch exactly, towards side opening, side cut, towards bottom outlet compound die structure.Because the hole is present in the sidewall of part, can only adopt the side blow hole, because boring ratio is less, the side blow head fractures easily, so the side blow head adopts the quick-changing type structure; Next is considered towards the rigidity of base apertures punch, its length is short as far as possible, blanking, pull and stretch, side cut must towards side opening with before bottom outlet, finish, towards side opening with finish simultaneously towards bottom outlet, therefore, the sidewall of the punch-die of blanking, pull and stretch must be slotted, so that allow the side blow drift pass through, finishes the compound of 5 operations smoothly.The quick-changing type punch structure has been adopted in the side blow hole, and realized blanking, pull and stretch, side cut, towards side opening, compound towards bottom outlet, satisfied the requirement of modern production high accuracy, low cost, high benefit.
Description of drawings
Fig. 1 is the die structure dwg of the embodiment of the invention, and Reference numeral and corresponding name are called: die shoe 1, blanking die 2, backing-out punch 3, sideslip post 4, side blow head 5, spacer pin 6, back-moving spring 7, pin stop 8, discharging spring 9, wedge 10, the second pins 11, the 3rd screw 12, the three pins 13, the four screws 14, discharging spring 15, die shank 16, punch 17, the 5th screw 18, backing plate 19, discharging screw 20, upper bolster 21, punch-die 22, elasticity stripper 23, guide pin bushing 24, guide pillar 25, the second screws 26, first pin 27, pressure pin 28, the first screws 29, side cut punch 30, punch-die 31, eccentric swage 32.
The specific embodiment
As shown in Figure 1, cold pressing composite die of the present invention comprises counterdie and patrix two parts.Punch-die 31, side cut punch 30, the blanking die 2 that counterdie is overlapped by the center that is installed in respectively by the locating hole on the die shoe 1 and first screw 29, second screw 26 and first pin 27 on the die shoe 1, the sideslip post 4, back-moving spring 7, side blow head 5, spacer pin 6, pin stop 8, the eccentric swage 31 that are directly installed on the guide pillar 25 on the die shoe 1 and are installed in 2 li of blanking dies are formed, the upper surface A of punch-die 31 is lower than the upper surface B of blanking die 2, and the vertical range between two end face A, the B approximates the thickness of processed blank; Patrix is by the die shank 16 that is installed in by the locating hole on the 5th screw 18 and the upper bolster 21 on the upper bolster 21, be installed in elasticity stripper 23 under the upper bolster 21 respectively by discharging spring 9 and discharging screw 20 and by the 3rd pin 13 and the 4th screw 14, backing plate 19, punch-die 22, be directly installed on the guide pin bushing 24 under the upper bolster 21, be installed in the wedge 10 of upper bolster 21 sides by second pin 11 and the 3rd screw 12, be installed in punch 17 under the upper bolster 21 by backing plate 19 and the 3rd pin 13 and the 4th screw 14, the discharging spring 15 and the backing-out punch 3 that are installed in 22 li of punch-dies are formed, and patrix is installed with the counterdie matched moulds by guide pin bushing 24 and guide pillar 25.
Indicating drive among the slide block figure of forcing press is that the patrix that 3 and 9～24 parts are formed moves downward by Reference numeral among Fig. 1, elasticity stripper 23 at first touches the processed blank that is placed on the blanking die 2, discharging spring 9 is continued compression, elasticity stripper 23 compresses blank, because it is thick that the upper surface A of punch-die 31 is lower than the about material of upper surface B of blanking die 2, patrix is descending again, and promptly to move downward an about material thick for punch-die 22, finishes blanking; Punch-die 22 continues to move downward the beginning pull and stretch, do not carry out flanging by indicating among the forcing press air cushion figure during pull and stretch by pressure pin 28 and holding pad 32, carrying out along with pull and stretch, when the minimum point that goes downwards to the bar hole on punch-die 22 side arms when patrix is lower than the cutting edge minimum point of side blow head 5, wedge 10 contacts with the inclined-plane of sideslip post 4, sideslip post 4 drives 5 beginnings of side blow heads and moves right in the pilot hole of blanking die 2, and when side blow head 5 passed bar hole on punch-die 22 side arms, the side blow hole began; Meanwhile, pull and stretch finishes, and when punch-die 22 was expressed to the side cut cutting edge of side cut punch 30 with the material of marginal portion, side cut was also finished in the beginning of cutting edge; Touch the blank upper surface up to punch 17 and begin, the last complete matched moulds of upper and lower mould, side blow hole and finish simultaneously, blanking, pull and stretch, side cut, towards side opening, all finish towards bottom outlet towards bottom outlet towards bottom outlet.
Opposite during backhaul, it is that the patrix that 3 and 9～24 parts are formed moves upward that forcing press drives by Reference numeral among Fig. 1, and the main discharging of finishing waste material and blank by the elastic force and the elasticity stripper 23 of discharging spring 9, the elastic force by back-moving spring 7 and spacer pin 6 are finished and do not indicated among the resetting of side blow head 5, the forcing press air cushion figure by pressure pin 28 and eccentric swage 32 and discharging, the head part of finishing drawing part by discharging spring 15 and backing-out punch 3.

Claims (1)

1. cold pressing composite die, comprise counterdie and patrix two parts, it is characterized in that counterdie is by die shoe (1), first screw (29), second screw (26), first pin (27), punch-die (31), side cut punch (30), blanking die (2), guide pillar (25), sideslip post (4), back-moving spring (7), side blow head (5), spacer pin (6), pin stop (8), eccentric swage (31) is formed, wherein punch-die (31) is installed in the center of side cut punch (30), side cut punch (30) and blanking die (2) are installed in the centre on the die shoe respectively, guide pillar (25) is directly installed on the die shoe (1), sideslip post (4) is installed in blanking die (2) lining, the upper surface (A) of punch-die (31) is lower than the upper surface (B) of blanking die (2), two end face (A, B) vertical range between approximates the thickness of processed blank;
Patrix is by discharging spring (9), wedge (10), second pin (11), the 3rd screw (12), the 3rd pin (13), the 4th screw (14), discharging screw (15), die shank (16), punch (17), the 5th screw (18), backing plate (19), discharging screw (20), upper bolster (21), punch-die (22), elasticity stripper (23), guide pin bushing (24) and backing-out punch (3) are formed, wherein guide pin bushing (24) is directly installed under the upper bolster (21), wedge (10) is installed in upper bolster (21) side by second pin (11) and the 3rd screw (12), punch-die (22), punch (17) is installed in respectively under the upper bolster (21), backing-out punch (3) is installed in punch-die (22) lining, and patrix is by guide pin bushing (24) and guide pillar (25) and counterdie matched moulds.
CN200910138393A 2009-05-05 2009-05-05 Cold pressing composite die Pending CN101712060A (en)

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Application Number Priority Date Filing Date Title
CN200910138393A CN101712060A (en) 2009-05-05 2009-05-05 Cold pressing composite die

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Application Number Priority Date Filing Date Title
CN200910138393A CN101712060A (en) 2009-05-05 2009-05-05 Cold pressing composite die

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101912916A (en) * 2010-09-06 2010-12-15 无锡海特精密模具有限公司 Side cut die pressing mechanism
CN101954404A (en) * 2010-09-17 2011-01-26 张家港白熊科美机械有限公司 Die device in section punching machine
CN102259134A (en) * 2011-06-29 2011-11-30 无锡市中捷减震器有限公司 One-piece forming die with multiple functions
CN102380543A (en) * 2011-10-23 2012-03-21 芜湖金瑞特汽车零部件有限公司 Blanking punching compound die
CN102430652A (en) * 2011-11-29 2012-05-02 南车洛阳机车有限公司 Composite mould for machining parts such as short flanged washers
CN102773366A (en) * 2012-07-20 2012-11-14 宁波鸿达电机模具有限公司 Combined type elastic discharge unit
CN103182448A (en) * 2011-12-30 2013-07-03 上海英祺精密零件制造有限公司 Feeding detection device for stamping progressive die
CN103372598A (en) * 2012-04-17 2013-10-30 成都玺汇科技有限公司 Vertical punching die with internal male die
CN103433377A (en) * 2013-07-16 2013-12-11 健雄职业技术学院 Blanking, punching, flanging and forming composite die
CN103894485A (en) * 2014-03-20 2014-07-02 成都极点精密模具有限公司 Supporting base punching and forming compound die
CN104056895A (en) * 2014-07-03 2014-09-24 菲斯达精密工业部件（苏州）有限公司 Side push supporting type side cutting die
CN104117574A (en) * 2014-07-28 2014-10-29 无锡美润汽车部件有限公司 Clutch hub die
CN106001262A (en) * 2016-06-22 2016-10-12 中航飞机起落架有限责任公司 Stamping die of dust cover for vent hole in head of undercarriage outer cylinder and manufacture method
CN106583555A (en) * 2016-12-13 2017-04-26 苏州和林微纳科技有限公司 One-stop deep-drawing blanking die and processing method thereof
CN107138621A (en) * 2017-07-06 2017-09-08 祥丰（浙江）金属制品有限公司 A kind of trimming flange compound die for preparing enamel vase base substrate
CN107520323A (en) * 2017-10-21 2017-12-29 浙江博鑫涵汽车零部件有限公司 A kind of diel of sheet metal
CN107537934A (en) * 2017-10-21 2018-01-05 浙江博鑫涵汽车零部件有限公司 A kind of diel
CN107584016A (en) * 2017-10-21 2018-01-16 浙江博鑫涵汽车零部件有限公司 The diel of sheet metal
CN113103003A (en) * 2020-10-11 2021-07-13 李文彬 Cold stamping die capable of automatically tapping in die

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101912916A (en) * 2010-09-06 2010-12-15 无锡海特精密模具有限公司 Side cut die pressing mechanism
CN101954404A (en) * 2010-09-17 2011-01-26 张家港白熊科美机械有限公司 Die device in section punching machine
CN101954404B (en) * 2010-09-17 2013-02-13 张家港白熊科美机械有限公司 Die device in section punching machine
CN102259134A (en) * 2011-06-29 2011-11-30 无锡市中捷减震器有限公司 One-piece forming die with multiple functions
CN102259134B (en) * 2011-06-29 2012-12-19 无锡市中捷减震器有限公司 One-piece forming die with multiple functions
CN102380543A (en) * 2011-10-23 2012-03-21 芜湖金瑞特汽车零部件有限公司 Blanking punching compound die
CN102430652A (en) * 2011-11-29 2012-05-02 南车洛阳机车有限公司 Composite mould for machining parts such as short flanged washers
CN103182448B (en) * 2011-12-30 2015-04-29 上海英祺精密零件制造有限公司 Feeding detection device for stamping progressive die
CN103182448A (en) * 2011-12-30 2013-07-03 上海英祺精密零件制造有限公司 Feeding detection device for stamping progressive die
CN103372598A (en) * 2012-04-17 2013-10-30 成都玺汇科技有限公司 Vertical punching die with internal male die
CN102773366A (en) * 2012-07-20 2012-11-14 宁波鸿达电机模具有限公司 Combined type elastic discharge unit
CN103433377A (en) * 2013-07-16 2013-12-11 健雄职业技术学院 Blanking, punching, flanging and forming composite die
CN103894485A (en) * 2014-03-20 2014-07-02 成都极点精密模具有限公司 Supporting base punching and forming compound die
CN104056895A (en) * 2014-07-03 2014-09-24 菲斯达精密工业部件（苏州）有限公司 Side push supporting type side cutting die
CN104117574A (en) * 2014-07-28 2014-10-29 无锡美润汽车部件有限公司 Clutch hub die
CN106001262A (en) * 2016-06-22 2016-10-12 中航飞机起落架有限责任公司 Stamping die of dust cover for vent hole in head of undercarriage outer cylinder and manufacture method
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
CN106583555A (en) * 2016-12-13 2017-04-26 苏州和林微纳科技有限公司 One-stop deep-drawing blanking die and processing method thereof
CN107138621A (en) * 2017-07-06 2017-09-08 祥丰（浙江）金属制品有限公司 A kind of trimming flange compound die for preparing enamel vase base substrate
CN107520323A (en) * 2017-10-21 2017-12-29 浙江博鑫涵汽车零部件有限公司 A kind of diel of sheet metal
CN107537934A (en) * 2017-10-21 2018-01-05 浙江博鑫涵汽车零部件有限公司 A kind of diel
CN107584016A (en) * 2017-10-21 2018-01-16 浙江博鑫涵汽车零部件有限公司 The diel of sheet metal
CN113103003A (en) * 2020-10-11 2021-07-13 李文彬 Cold stamping die capable of automatically tapping in die

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Application publication date: 20100526