CN103831344A - Strip punching die with adjustable female die and adjustable male die - Google Patents

Strip punching die with adjustable female die and adjustable male die Download PDF

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Publication number
CN103831344A
CN103831344A CN201410123357.9A CN201410123357A CN103831344A CN 103831344 A CN103831344 A CN 103831344A CN 201410123357 A CN201410123357 A CN 201410123357A CN 103831344 A CN103831344 A CN 103831344A
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China
Prior art keywords
die
feeding
punch
adjustable
strip
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Granted
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CN201410123357.9A
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Chinese (zh)
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CN103831344B (en
Inventor
王兴松
李波
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Southeast University
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Southeast University
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Priority to CN201410123357.9A priority Critical patent/CN103831344B/en
Publication of CN103831344A publication Critical patent/CN103831344A/en
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Publication of CN103831344B publication Critical patent/CN103831344B/en
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Abstract

The invention discloses a strip punching die with an adjustable female die and an adjustable male die. The strip punching die comprises an upper die assembly, a lower die assembly and a strip plate guide assembly, wherein the positions of the male die in the upper die assembly, a guide pin in the upper die assembly and the female die in the lower die assembly can be adjusted in the feeding direction of strip plates, and therefore the strip punching die can punch the strip plates of various specifications, thereby lowering cost. Due to the strip plate guide assembly, it can be guaranteed that the strip plates enter or get out of the strip punching die stably, and punching stability of the strip plates is improved. The strip punching die can also be provided with an automatic feeding assembly, wherein a feeding guide block and a feeding slide block are in fit through slopes, vertical movement of the upper die assembly is converted into horizontal movement of the automatic feeding assembly, the automatic feeding function is achieved through feeding hooks, and therefore the production efficiency is improved. The male die and the guide pin in the upper die assembly are separated, and the male die starts punching after the strip plates are accurately located through the guide pin, so that the positional accuracy of punched holes is ensured.

Description

The adjustable band punching die of a kind of concave-convex mold
Technical field
The invention belongs to blanking die field, relate to the adjustable band punching die of a kind of concave-convex mold.
Background technology
Main flow punching die at present, its concave-convex mold part is to be all fixedly mounted on upper and lower mould, and position cannot regulate, and therefore a kind of punching die can only be processed a kind of part of specification.For some parts, same type still has several different sizes, its difference to be the relative position relation difference between hole.For the similar product of this specification, if each specification all needs a corresponding mold, will certainly improve production cost.Therefore be necessary to provide a kind of concave-convex mold adjustable mold form, just can produce the product of multiple similar specification with a mold.
The effect of strip feed mechanism is the automatic feeding function that utilizes the strip that moved up and down of mould.Save the cost of artificial feeding, can greatly enhance productivity.Therefore automatic feeding mould has a wide range of applications demand.
Summary of the invention
technical problem:the invention provides the processing that a kind of use one mold can complete multiple similar specification strip punching part, save labour turnover, the adjustable band punching die of concave-convex mold of enhancing productivity.
technical scheme:the adjustable band punching die of concave-convex mold of the present invention, comprises that upper die component, correspondence are arranged on the lower membrane module of upper die component below, are arranged on the strip guide assembly of lower membrane module upper side;
Upper die component comprises top mold frame, be arranged on the die shank on top mold frame top, be arranged on the guide pin bushing of top mold frame bottom, be successively set on the backing plate of top mold frame downside, punch fixed pedestal and adjustable punch are fixed slide block, and be fixedly installed on punch and the pilot pin in the fixing slide block of adjustable punch, the fixing slide block of adjustable punch embeds in punch fixed pedestal, and can in the chute of punch fixed pedestal, carry out slidable adjustment, fit with backing plate lower surface after fixing slide block and punch fixed pedestal through adjustable punch in punch and pilot pin upper end, pilot pin comprises positioning section and is arranged on two guiding cambered surfaces of positioning section lower end, positioning section lower surface height is equal to or less than punch lower surface height, the opposing setting of two guiding cambered surfaces, and connect at cambered surface bottom place,
Lower membrane module comprises lower mold holder, be arranged on the guide pillar on lower mold holder top, be arranged on the die fixed pedestal of lower mold holder upper side, be arranged on the die on die fixed pedestal, stock guide, and be arranged on the positive stripper of die and stock guide top, die embeds in die fixed pedestal, and can in the chute of die fixed pedestal, carry out slidable adjustment, on die, be provided with the punching hole corresponding with punch, and the correcting pin-and-hole corresponding with pilot pin, two stock guides are separately positioned on die outside, positive stripper is all fixedly connected with two stock guides, guide pillar embeds in guide pin bushing,
Strip guide assembly comprise be arranged on lower membrane module top rear bearing sheet and front end panel, be arranged on roll shaft after two groups on rear bearing sheet, be arranged on roll shafts before two groups on front end panel.
In the adjustable a kind of preferred version with punching die of concave-convex mold of the present invention, on die fixed pedestal, be provided with self-feeding assembly, self-feeding assembly comprises that the feeding guide block that is arranged on punch fixed pedestal one end is arranged on feeding slide block and the feeding hook pedestal on die fixed pedestal, be arranged on the adjustable feeding hook fixed block on feeding hook pedestal, be arranged on the feeding hook in adjustable feeding hook fixed block, be arranged on the feeding hook Compress Spring of feeding hook upside, and be arranged on the back-moving spring of feeding hook pedestal one end, the other end of feeding hook pedestal is fixedly connected with feeding slide block, on feeding slide block and feeding guide block, correspondence is provided with lead-in chamfered, adjustable feeding hook fixed block embeds in feeding hook pedestal, and can in the chute of feeding hook pedestal, carry out slidable adjustment, feeding hook lower end is provided with the lead-in chamfered towards feedstock direction, and can in the inner chamber of adjustable feeding hook fixed block, move up and down.
In the adjustable a kind of preferred version with punching die of concave-convex mold of the present invention, on feeding hook Compress Spring, be provided with feeding hook spring bumper cover, in back-moving spring, be provided with back-moving spring guide rod.
The adjustable band punching die of concave-convex mold of the present invention, can complete the processing of plurality of specifications strip punching part, and self-feeding in process.
beneficial effect:compared with prior art, strip blanking die of the present invention, punch is embedded on punch fixed pedestal by the fixing slide block of removable punch, and can be in the chute of punch fixed pedestal slidable adjustment, two punch distribute side by side, and they can regulate the dislocation distance on strip feed direction.Corresponding die be also can be in the chute of die fixed pedestal slidable adjustment, concave-convex mold adjusted in concert.Therefore in the time that the misalignment position of punching in strip changes, only need to regulate the position of concave-convex mold can complete process requirements, not need again to do again a mold, reduce production cost, improve the utilization rate of mould.
The simple structure of mould utilization of the present invention, moving up and down of top mold frame is converted to the feeding campaign of strip feed direction, thereby realizes the automation of strip feeding, do not need additionally to add special feed mechanism, therefore can improve working (machining) efficiency, reduce die cost.
Mould of the present invention is attached with strip feeding guidance set, and first strip by the gap between two roll shafts, then enters between concave-convex mold and complete punching, and two roll shafts by rear side after punching completes transport out strip.Therefore strip feeding guidance set can reduce the frictional force in feeding process, has improved the stationarity of processing.
Brief description of the drawings
Fig. 1 is upper die component structure chart.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is counterdie assembly assumption diagram.
Fig. 4 is that strip feeding guidance set is arranged on the structure chart on lower membrane module.
Fig. 5 is self-feeding assembly feeding hook mounting structure figure.
Fig. 6 is that self-feeding assembly is arranged on the top view in mould.
Fig. 7 is A-A cutaway view and the die punching process original state of Fig. 6.
Fig. 8 is the state while just having started feeding in die punching process.
Fig. 9 is state when feeding has just finished in die punching process.
Figure 10 is die punching process done state.
Figure 11 is that the axles such as die assembly body are surveyed view.
Figure 12 is die assembly side view.
In figure, have: top mold frame 10, die shank 11, backing plate 12, punch fixed pedestal 13, adjustable punch is fixed slide block 14, punch 15, pilot pin 16, guide pin bushing 17, lower mold holder 20, guide pillar 21, die fixed pedestal 22, die 23, positive stripper 24, stock guide 25, punching hole 26, correcting pin-and-hole 27, rear bearing sheet 30, rear roll shaft 31, front end panel 32, front roll shaft 33, feeding slide block 40, spring bumper cover 41, feeding hook Compress Spring 42, feeding hook 43, adjustable feeding hook fixed block 44, feeding hook fixed pedestal 45, back-moving spring 46, back-moving spring guide rod 47, back-moving spring baffle plate 48, feeding regulates block 49, feeding guide block 410.
Detailed description of the invention
Below in conjunction with Figure of description and embodiment, technical scheme of the present invention is carried out to clear, complete description.Embodiment is only further illustrating the present invention program; after having read the embodiment of the present invention, the amendment of those of ordinary skill in the art to various equivalents of the present invention and replacing all belongs to the scope of the protection that the present patent application claim limits.
As shown in Figures 1 to 12, the adjustable band punching die of concave-convex mold of the present invention, comprise: top mold frame 10, die shank 11, backing plate 12, punch fixed pedestal 13, adjustable punch is fixed slide block 14, punch 15, pilot pin 16, guide pin bushing 17, lower mold holder 20, guide pillar 21, die fixed pedestal 22, die 23, positive stripper 24, stock guide 25, punching hole 26, correcting pin-and-hole 27, rear bearing sheet 30, rear roll shaft 31, front end panel 32, front roll shaft 33, feeding slide block 40, spring bumper cover 41, feeding hook Compress Spring 42, feeding hook 43, adjustable feeding hook fixed block 44, feeding hook fixed pedestal 45, back-moving spring 46, back-moving spring guide rod 47, back-moving spring baffle plate 48, feeding regulates block 49, feeding guide block 410.
As depicted in figs. 1 and 2, upper die component comprises top mold frame 10, is arranged on the die shank 11 on top mold frame 10 tops, is arranged on the fixing slide block 14 of the guide pin bushing 17 of top mold frame 10 bottoms, the backing plate 12 that is successively set on top mold frame 10 downsides, punch fixed pedestal 13 and adjustable punch, and is fixedly installed on punch 15 and pilot pin 16 in the fixing slide block 14 of adjustable punch.Between die shank 11 and top mold frame 10, be connected by interference fit, between guide pin bushing 17 and top mold frame 10, be connected by interference fit, punch fixed pedestal 13 is connected by screw with top mold frame 10 and locates with straight pin, backing plate 12 pads between punch fixed pedestal 13 and top mold frame, backing plate 12 upper sides and top mold frame 10 downside laminatings, backing plate 12 downsides and the 13 upper side laminatings of punch fixed pedestal, the fixing slide block 14 of adjustable punch embeds in the chute of punch fixed pedestal 13, and can in the chute of punch fixed pedestal 13, carry out slidable adjustment, after completing, adjusting by screw, fixing adjustable punch slide block 14 is fixed in punch fixed pedestal 13, prevent from occurring in punch process loosening, punch 15 and pilot pin 16 are buckled in the fixing slide block 14 of adjustable punch, punch 15 aligns on strip feed direction with pilot pin 16, the pitch-row that the centre-to-centre spacing of punch 15 and pilot pin 16 is wanted punching.Punch 15 and pilot pin 16 upper ends are rear and backing plate 12 lower surfaces laminatings through the fixing slide block 14 of adjustable punch, pilot pin 16 comprises positioning section and is arranged on two guiding cambered surfaces of positioning section lower end, positioning section lower surface height is lower than punch 15 lower surface height, the opposing setting of two guiding cambered surfaces, and connect at cambered surface bottom place, the width of pilot pin 16 positioning sections is identical with punch 15 width, when punching, pilot pin 16 first inserts in previous just made hole, utilize guiding cambered surface that strip is accurately located, then punch 15 just starts punching.
As shown in Figure 3 and Figure 4, lower membrane module comprises lower mold holder 20, be arranged on the guide pillar 21 on lower mold holder 20 tops, be arranged on lower mold holder 20 upper sides die fixed pedestal 22, be arranged on die 23, stock guide 25 on die fixed pedestal 22, and be arranged on the positive stripper 24 of die 23 and stock guide 25 tops, die fixed pedestal 22 is fixedly connected on lower mold holder 20 by screw, and locates with straight pin.Die 23 embeds in die fixed pedestal 22, and can in the chute of die fixed pedestal 22, carry out slidable adjustment, after having regulated, by screw, die 23 is fixed in die fixed pedestal 22, prevents from occurring in punch process loosening.On die 23, be provided with punching hole 26 and correcting pin-and-hole 27, punching hole 26 and pilot pin 27 align on strip feed direction, the pitch-row that punching hole 26 and pilot pin 27 centre distances are institute's punching.Insert punching hole 26 through punch 15 after strip, pilot pin 16 inserts correcting pin-and-hole 27, two stock guides 25 are separately positioned on die 23 outsides, the upper side laminating of positive stripper 24 and two stock guides 25, positive stripper 24 is connected by screw on die fixed pedestal 22, and locates with straight pin.Guide pillar 21 embeds in guide pin bushing 17, upper die component and relative installation of lower membrane module.
As shown in Figure 4, strip guide assembly comprise be arranged on lower membrane module top rear bearing sheet 30 and front end panel 32, be arranged on roll shaft 31 after two groups on rear bearing sheet 30, be arranged on roll shafts 33 before two groups on front end panel 32.Rear bearing sheet 30 is fixedly connected on die fixed pedestal 22 by screw, is positioned at die fixed pedestal 22 rear ends.Front end panel 32 is fixedly connected on lower mold holder 20 or on die fixed pedestal 22 by screw, is positioned at die fixed pedestal 22 rear ends.Roll shaft 33 two ends are connected with front end panel 32 by bearing before two groups, and roll shaft 31 two ends are connected with rear bearing sheet 30 by bearing after two groups.Front roll shaft 33 is identical with the residing height of rear roll shaft 31, has gap before two groups between roll shafts 33, and gap is slightly larger than the thickness of strip, has gap after two groups between roll shaft 31, and gap is slightly larger than the thickness of strip.When punching, strip material first passes in the gap between roll shaft 33 in the past, and the gap entering between positive stripper 24 and die 23 completes after punching, and self-feeding assembly, by the feeding backward of strip material, is finally sent by the gap between rear roll shaft 31.
As shown in Figure 5 and Figure 6, on die fixed pedestal 22, be provided with self-feeding assembly, self-feeding assembly comprises the feeding guide block 410 that is arranged on punch fixed pedestal 13 one end, be arranged on feeding slide block 40 and feeding hook pedestal 45 on die fixed pedestal 22, be arranged on the adjustable feeding hook fixed block 44 on feeding hook pedestal 45, be arranged on the feeding hook 43 in adjustable feeding hook fixed block 44, be arranged on the feeding hook Compress Spring 42 of feeding hook 43 upsides, be arranged on the feeding hook spring bumper cover 41 on adjustable feeding hook fixed block 44, and be arranged on back-moving spring 46 and the back-moving spring guide rod 47 of feeding hook pedestal 45 one end, the other end of feeding hook pedestal 45 is fixedly connected with feeding slide block 40, between feeding guide block 410 and punch fixed pedestal 13, be fixedly connected with straight pin by screw.Back-moving spring baffle plate 48 is connected by screw at rear bearing sheet 30 upper surfaces, and back-moving spring 46 is blocked in its side.Adjustable feeding hook fixed block 44 embeds in feeding hook pedestal 45, and can in the chute of feeding hook pedestal 45, carry out slidable adjustment, after having regulated, marks closely by screw, prevents from becoming flexible.Feeding hook 43 lower ends are provided with the lead-in chamfered towards feedstock direction, and can in the inner chamber of adjustable feeding hook fixed block 44, move up and down.Feeding hook pedestal 45 is embedded in the chute on die fixed pedestal 22, and can in chute, slide.On feeding slide block 40 and feeding guide block 410, correspondence is provided with lead-in chamfered, inclined-plane laminating on inclined-plane when forcing press moves downward with upper die component on feeding guide block 410 and feeding slide block 40, is converted to the motion of feeding material component on strip feedstock direction by downward motion.Because feeding hook 43 inserts in made hole when original state, thus strip by feeding hook 43 with moving to feed direction together, the distance of motion is the distance of a pitch-row.Back-moving spring 46 is compressed simultaneously, stored energy, in the time that forcing press moves upward with upper die component, back-moving spring 46 extends, feeding material component is pushed away in the other direction towards strip charging, because feeding hook 43 lower ends are provided with the lead-in chamfered towards feedstock direction, so feeding hook 43 can be strip toward loopback.Move upward by inclined-plane feeding hook 43, until out rear feeding hook 43 ends slippage in strip from hole is got back to again after original state when feeding material component, feeding hook 43 is fallen in previous hole.For feeding is next time prepared.Once complete punching and feeding process are as shown in Figure 7 to 10: die punching process original state as shown in Figure 7, press ram drives upper die component to move downward, the inclined-plane of feeding guide block 410 after a segment distance that moves contacts with the inclined-plane of feeding slide block 40, as shown in Figure 8.Along with the continuation of upper die component declines, feeding guide block 410 is coordinated feeding material component is moved backward by inclined-plane, because feeding hook 43 inserts in strip in made hole, so strip is along with self-feeding assembly moves backward, upper die component continues to decline, when the contacts side surfaces of the side of feeding guide block 410 and feeding slide block 40, as shown in Figure 9, now strip is just in time by pitch-row feeding of feeding backward, strip stops backward afterwards, along with upper die component continuation decline pilot pin 16 and punch 15 pass the dumping pit on positive stripper 24 successively, pilot pin 16 first inserts and in manufactured hole, utilizes the guiding cambered surface of pilot pin 16 ends to complete strip accurately to locate, pilot pin 16 inserts in the correcting pin-and-hole 27 on die 23 through after strip.The strip accurately rear punch 15 in location starts punching, and punch 15 inserts in the punching hole 26 on die 23 through after strip.After punching completes, the positive stroke of press ram just finishes, as shown in Figure 9.Start subsequently revesal motion.Move upward punch 15 and pilot pin 16 of upper die component released in the hole strip successively.From positive stripper 24, extract out completely after a segment distance when punch 15 and pilot pin 16, feeding guide block 410 starts inclined-plane with feeding slide block 40 and coordinates, as shown in Figure 9.Back-moving spring 46 promotes self-feeding assembly and travels forward, and the inclined-plane of feeding hook 43 contacts with the one side in hole, promotes feeding hook 43 and moves upward, and strip can not sent forward.Along with the reseting movement forward of self-feeding assembly, feeding hook 43 slides in previous hole in strip, for feeding is next time prepared.In the time that feeding hook fixed pedestal 45 contacts with feeding block 49, self-feeding assembly stops travelling forward, and upper die component continues a upwards segment distance and gets back to initial position.So just, completed punch process successively.
When in strip, the dislocation of two rounds is apart from change, if the dislocation distance of synchronous equidistant two groups of dies 23 of adjusting, the dislocation distance of two groups of punch 15, the dislocation distance of two groups of pilot pins 16, and the dislocation distance of two groups of feeding hooks 43.

Claims (3)

1. the adjustable band punching die of concave-convex mold, is characterized in that, this punching die comprises that upper die component, correspondence are arranged on the lower membrane module of described upper die component below, are arranged on the strip guide assembly of described lower membrane module upper side;
Described upper die component comprises top mold frame (10), be arranged on the die shank (11) on described top mold frame (10) top, be arranged on the guide pin bushing (17) of top mold frame (10) bottom, be successively set on the backing plate (12) of top mold frame (10) downside, punch fixed pedestal (13) and adjustable punch are fixed slide block (14), and be fixedly installed on punch (15) and the pilot pin (16) in the fixing slide block (14) of described adjustable punch, the fixing slide block (14) of described adjustable punch embeds in punch fixed pedestal (13), and can in the chute of punch fixed pedestal (13), carry out slidable adjustment, punch (15) and pilot pin (16) upper end are through the fixing slide block (14) of adjustable punch and punch fixed pedestal (13) is rear and the laminating of backing plate (12) lower surface, pilot pin (16) comprises positioning section and is arranged on two guiding cambered surfaces of positioning section lower end, described positioning section lower surface height is lower than punch (15) lower surface height, the opposing setting of described two guiding cambered surfaces, and connect at cambered surface bottom place,
Described lower membrane module comprises lower mold holder (20), be arranged on the guide pillar (21) on described lower mold holder (20) top, be arranged on the die fixed pedestal (22) of lower mold holder (20) upper side, be arranged on the die (23) on described die fixed pedestal (22), stock guide (25), and be arranged on the positive stripper (24) of described die (23) and stock guide (25) top, described die (23) embeds in die fixed pedestal (22), and can in the chute of die fixed pedestal (22), carry out slidable adjustment, on described die (23), be provided with the punching hole (26) corresponding with punch (15), and the correcting pin-and-hole (27) corresponding with pilot pin (16), two stock guides (25) are separately positioned on die (23) outside, described positive stripper (24) is all fixedly connected with two stock guides (25), described guide pillar (21) embeds in guide pin bushing (17),
Described strip guide assembly comprise be arranged on lower membrane module top rear bearing sheet (30) and front end panel (32), be arranged on roll shaft (31) after two groups on described rear bearing sheet (30), be arranged on roll shafts (33) before two groups on described front end panel (32).
2. the adjustable band punching die of a kind of concave-convex mold according to claim 1, it is characterized in that, on described die fixed pedestal (22), be provided with self-feeding assembly, described self-feeding assembly comprises the feeding guide block (410) that is arranged on punch fixed pedestal (13) one end, be arranged on feeding slide block (40) and feeding hook pedestal (45) on die fixed pedestal (22), be arranged on the adjustable feeding hook fixed block (44) on described feeding hook pedestal (45), be arranged on the feeding hook (43) in described adjustable feeding hook fixed block (44), be arranged on the feeding hook Compress Spring (42) of feeding hook (43) upside, and be arranged on the back-moving spring (46) of feeding hook pedestal (45) one end, the other end of feeding hook pedestal (45) is fixedly connected with feeding slide block (40), the upper correspondence of feeding slide block (40) and feeding guide block (410) is provided with lead-in chamfered, adjustable feeding hook fixed block (44) embeds in feeding hook pedestal (45), and can in the chute of feeding hook pedestal (45), carry out slidable adjustment, feeding hook (43) lower end is provided with the lead-in chamfered towards feedstock direction, and can in the inner chamber of adjustable feeding hook fixed block (44), move up and down.
3. the adjustable band punching die of a kind of concave-convex mold according to claim 1 and 2, it is characterized in that, on described feeding hook Compress Spring (42), be provided with feeding hook spring bumper cover (41), in described back-moving spring (46), be provided with back-moving spring guide rod (47).
CN201410123357.9A 2014-03-31 2014-03-31 The adjustable band punching die of a kind of concave-convex mold Active CN103831344B (en)

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CN103831344B CN103831344B (en) 2015-08-19

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104043716A (en) * 2014-06-26 2014-09-17 梧州恒声电子科技有限公司 Notching die structure for rear cover products
CN106040863A (en) * 2016-07-26 2016-10-26 滁州达世汽车配件有限公司 Gas spring reinforcing plate progressive die
CN106493231A (en) * 2016-12-19 2017-03-15 无锡诺飞高新技术有限公司 Sliding rail of automobile seat mother's rail tablet continuous stamping die
CN107597963A (en) * 2017-08-16 2018-01-19 芜湖晶鑫光电照明有限公司 A kind of LED reflector decompressor
CN112238164A (en) * 2020-09-04 2021-01-19 曾建芳 Industrial square iron sheet manufacturing equipment
CN112872151A (en) * 2021-02-04 2021-06-01 翁晓炜 Stamping mechanism for aluminum alloy sheets

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CN102161062A (en) * 2010-12-19 2011-08-24 宁波轴瓦厂 Automatic feeding and demoulding device for bearing bush reel forming
CN202239288U (en) * 2011-10-17 2012-05-30 东莞市中泰模具有限公司 Side-punching automatic waste-material pouring mechanism
CN102615174A (en) * 2012-04-26 2012-08-01 南京工业职业技术学院 Double-row pitch quick and adjustable stamping die device
CN202479347U (en) * 2011-12-23 2012-10-10 宝钢发展有限公司劳防用品厂 Simple stamping die with adjustable template
CN202779384U (en) * 2012-07-17 2013-03-13 四川奥格科技有限公司 Punching die with convex dies capable of moving horizontally

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JPS6313631A (en) * 1986-07-04 1988-01-20 Yokoyama Seisakusho:Kk Die adjusting method
CN201136020Y (en) * 2007-10-26 2008-10-22 大连三高重工设备有限公司 Punching apparatus for tube of timber support
CN101745588A (en) * 2008-12-19 2010-06-23 鞍钢房地产开发集团有限公司 Automatic feeding device for die punching
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104043716A (en) * 2014-06-26 2014-09-17 梧州恒声电子科技有限公司 Notching die structure for rear cover products
CN106040863A (en) * 2016-07-26 2016-10-26 滁州达世汽车配件有限公司 Gas spring reinforcing plate progressive die
CN106040863B (en) * 2016-07-26 2017-11-28 滁州达世汽车配件有限公司 Gas spring reinforcing plate progressive die
CN106493231A (en) * 2016-12-19 2017-03-15 无锡诺飞高新技术有限公司 Sliding rail of automobile seat mother's rail tablet continuous stamping die
CN107597963A (en) * 2017-08-16 2018-01-19 芜湖晶鑫光电照明有限公司 A kind of LED reflector decompressor
CN112238164A (en) * 2020-09-04 2021-01-19 曾建芳 Industrial square iron sheet manufacturing equipment
CN112872151A (en) * 2021-02-04 2021-06-01 翁晓炜 Stamping mechanism for aluminum alloy sheets

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