CN102389924A - Large-size shallow-drawing stamping part progressive die - Google Patents
Large-size shallow-drawing stamping part progressive die Download PDFInfo
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- CN102389924A CN102389924A CN2011103047059A CN201110304705A CN102389924A CN 102389924 A CN102389924 A CN 102389924A CN 2011103047059 A CN2011103047059 A CN 2011103047059A CN 201110304705 A CN201110304705 A CN 201110304705A CN 102389924 A CN102389924 A CN 102389924A
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Abstract
The invention discloses a large-size shallow-drawing stamping part progressive die in the technical field of stamping machine tool dies. The large-size shallow-drawing stamping part progressive die comprises an upper die and a lower die which are arranged correspondingly, wherein a stripper plate of the upper die and a lower die plate of the lower die are correspondingly provided with multiple stations, two stations at the front end in the upper die are respectively and correspondingly provided with cut punches, the upper ends of the cut punches are fixed on a punch holder, the lower ends of the cut punches extend into punch holes passing through a stop plate and the stripper plate from top to bottom, lower cuts corresponding to the cut punches are arranged on the lower die plate, each cut punch consists of multiple sections of unit punches which are arranged at intervals in the width direction of the die, and the unit punches corresponding to the two stations at the front end are arranged in a staggered manner and cover a shallow-drawing area of a material tape in the width direction of the die. Before the material tape is subjected to shallow drawing, a seam is cut on the material tape by the device, thereby avoiding harmful effects on other stations caused by the deformation of the material tape, and further improving the processing accuracy and production efficiency. The device is used for processing large-size shallow-drawing sheets.
Description
Technical field
The present invention relates to the processing mold that uses on a kind of press machine, particularly a kind of processing mold that is used for the shallow recessing, shallow drawing sheet metal component.
Background technology
Along with rapid economic development, product technology is constantly progressive, LCD TV, and household electrical appliance such as computer have spread to every household, and market competition is also more and more fierce.This just requires producer on the basis that guarantees product quality, constantly reduces product cost, strengthens the core competitiveness of product.This also has higher requirement to the mould of producing parts: should guarantee product quality, enhance productivity again, reduce the single products production cost.
Inner use of LCD TV complete machine a kind of large scale shallow recessing, shallow drawing sheet metal component is arranged,, comprise shallow recessing, shallow drawing because its size is bigger; Large-sized thin plate workpiece in this of the prior art is not suitable for adopting progressive die to process, and subject matter is; When carrying out pull and stretch; Thin plate is easy to produce the punching press distortion, and it shrinks on the length direction of mould, causes the precise decreasing of workpiece; Therefore, in traditional mode of production, all be to rely on many molds, a plurality of operation to produce; Production efficiency is lower, and product is long in each inter process turnaround time, and fraction defective is high; Labor strength is big, makes the single products cost high, has weakened the competitiveness of product in market.
Mould of the prior art generally comprises the corresponding upper die and lower die that are provided with; Said patrix comprises upper bolster; The upper bolster upside is connected with mounting plate through last cushion block, and the upper bolster upper surface is provided with knockout plate, is provided with polyurethane spring between knockout plate and the mounting plate; The upper bolster downside is provided with upper padding plate; The upper padding plate downside is connected with train wheel bridge, and train wheel bridge below is connected with baffle plate through high screw such as movable up and down, and the baffle plate downside is fixedly connected with stripper plate; The knockout plate downside is provided with knockout rod, conflicts at the knockout plate downside in the knockout rod upper end, conflicts at the baffle plate upside in the knockout rod lower end; Said counterdie comprises die shoe, and the die shoe downside is connected with bottom plate through lower cushion block, and die shoe is provided with lower bolster, and the lower bolster upside is provided with lower bolster, and die shoe is provided with jigger pin, and the jigger pin lower end is provided with the liftout spring, and stretch out outside the die shoe jigger pin upper end; Lower bolster is provided with the stretching convex die that protrudes in the lower bolster surface.At present, when utilizing this mould to be used for machining large-sized thin plate sheet metal component, can only adopt many molds, a plurality of operation to produce, its production efficiency is low.
Summary of the invention
The purpose of this invention is to provide a kind of large scale shallow recessing, shallow drawing sheet metal component progressive die, to improve production efficiency, the rate of reducing the number of rejects and seconds and the single products production cost of large scale shallow recessing, shallow drawing sheet metal component.
The objective of the invention is to realize like this: a kind of large scale shallow recessing, shallow drawing sheet metal component progressive die, a kind of large scale shallow recessing, shallow drawing sheet metal component progressive die comprises the corresponding upper die and lower die that are provided with; Said patrix comprises upper bolster; The upper bolster upside is connected with mounting plate through last cushion block, and the upper bolster upper surface is provided with knockout plate, is provided with polyurethane spring between knockout plate and the mounting plate; The upper bolster downside is provided with upper padding plate; The upper padding plate downside is connected with train wheel bridge, and train wheel bridge below is connected with baffle plate through high screw such as movable up and down, and the baffle plate downside is fixedly connected with stripper plate; The knockout plate downside is provided with knockout rod, conflicts at the knockout plate downside in the knockout rod upper end, conflicts at the baffle plate upside in the knockout rod lower end; Said counterdie comprises die shoe, and the die shoe downside is connected with bottom plate through lower cushion block, and die shoe is provided with lower bolster, and the lower bolster upside is provided with lower bolster, and die shoe is provided with jigger pin, and the jigger pin lower end is provided with the liftout spring, and stretch out outside the die shoe jigger pin upper end; Lower bolster is provided with the shallow recessing, shallow drawing punch that protrudes in the lower bolster surface; Correspondence is provided with a plurality of stations on said stripper plate and the lower bolster; Two stations that are positioned at front end in patrix correspondence respectively are provided with the otch drift; Otch drift upper end is fixed on the train wheel bridge, and otch drift lower end extend in the bore of the punch that runs through baffle plate and stripper plate up and down; The corresponding cutting edge that is provided with down with the otch drift on the lower bolster; The unit drift that the pairing otch drift of each station in two stations of said front end is provided with by plurality of sections on the width of mould is at interval formed, and two the pairing unit of station drifts of said front end are crisscross arranged and on the width of mould, cover the shallow recessing, shallow drawing zone of strip.
When the present invention worked, continuous strip got into mould by step-by-step system from the front end of mould, processed step by step, until in the discharging of the rear end of mould; Every stepping once, the upper die and lower die matched moulds once, correspondingly each station work of mould is once accomplished work such as pull and stretch, punching, shaping, cut-out; On preceding two stations, the otch drift cuts a seam with strip, because the unit drift is crisscross arranged and on the width of mould, cover the shallow recessing, shallow drawing zone of strip, therefore; Through after two stations die-cut, the seam that is cut open on the strip is continuous, and like this, the shallow recessing, shallow drawing subsequently adds man-hour; The both sides of pull and stretch position can shrink distortion, still, because strip has been cut open a seam; Therefore, its distortion can be to not influencing the normal process of other stations, Just because of this; Progressive die of the present invention can carry out shallow recessing, shallow drawing processing smoothly on large-sized thin plate workpiece, simultaneously, can guarantee whole machining accuracy.Compared with prior art, beneficial effect of the present invention is it can put forward the production efficiency of significantly high large scale shallow recessing, shallow drawing sheet metal component, the rate of reducing the number of rejects and seconds and single products production cost.
For guaranteeing further that when the shallow recessing, shallow drawing in the strip difficult local distortion of shallow recessing, shallow drawing Working position, said shallow recessing, shallow drawing punch periphery is provided with the binder floating block, said binder floating block downside is provided with the binder spring.When shallow recessing, shallow drawing, the binder floating block is at first pushed down the strip periphery, and then carries out shallow recessing, shallow drawing, can reduce the distortion of strip, improves the precision of product.
For ease of on strip, cutting out otch, the cutting edge inclination angle of said otch drift is 40 °.
Measure as improving machining accuracy is provided with dual-purpose pin by the step distance correspondence on the said counterdie, and dual-purpose pin downside correspondence is provided with spring mechanism, and dual-purpose pin is corresponding with the position of positioning hole on the strip.Dual-purpose pin has the effect of two aspects, can insert in the locating hole on the strip by stepping on the one hand, to the strip location, guarantees machining accuracy, on the other hand, can mould jack-up be carried out step motion to make things convenient for mould.
For guaranteeing the stripper plate guiding precisely, said train wheel bridge downside is fixed with inner guiding post perpendicular to train wheel bridge, and the inner guiding post downside passes baffle plate and stripper plate setting, the corresponding pilot hole that is provided with inner guiding post on the lower bolster.Inner guiding post can move up and down guide effect to stripper plate is provided, and makes its motion precisely.
Accurate for guaranteeing upper die and lower die matched moulds position, be fixed with outer ball guide pillar on the said upper bolster, be fixed with on the said die shoe and the corresponding outer bush of outer ball guide pillar, when the upper die and lower die matched moulds, outer ball guide pillar cooperates in the insertion outer bush.
For further guaranteeing machining accuracy, a back station of said shallow recessing, shallow drawing punch is provided with the shaping punch.Behind shallow recessing, shallow drawing,, can guarantee that the precision of following process is high to the timely shaping of workpiece.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 for A of the present invention to the partial structurtes sketch map.
The structural representation of Fig. 3 during for matched moulds of the present invention.
Wherein, 1 polyurethane spring, 2 shallow recessing, shallow drawing punch, 3 knockout rods, 4 knockout plates, cushion block on 5,6 mounting plates, 7 inner guiding posts; 8 outer ball guide pillars, 9 outer bush, 10 pilot holes, high screws such as 11,12 strips, 13 shaping punch, 14 binder floating blocks, 15 binder springs; 16 times cutting edges, 17 jigger pins, 18 bottom plates, 19 lower cushion blocks, 20 die shoes, 21 lower bolsters, 22 lower bolsters, 23 dual-purpose pins; 24 stripper plates, 25 otch drifts, 25a unit drift, 26 baffle plates, 27 train wheel bridges, 28 upper padding plates, 29 upper bolsters.
The specific embodiment
As illustrated in fig. 1 and 2, be a kind of large scale shallow recessing, shallow drawing sheet metal component progressive die, comprise the corresponding upper die and lower die that are provided with; Said patrix comprises upper bolster 29; Upper bolster 29 upsides are connected with mounting plate 6 through last cushion block 5, and upper bolster 29 upper surfaces are provided with knockout plate 4, are provided with polyurethane spring 1 between knockout plate 4 and the mounting plate 6; Upper bolster 29 downsides are provided with upper padding plate 28; Upper padding plate 28 downsides are connected with train wheel bridge 27, and train wheel bridge 27 belows are connected with baffle plate 26 through high screw 11 such as movable up and down, and baffle plate 26 downsides are fixedly connected with stripper plate 24; Knockout plate 4 downsides are provided with knockout rod 3, conflict at knockout plate 4 downsides in knockout rod 3 upper ends, conflict at baffle plate 26 upsides in knockout rod 3 lower ends; Said counterdie comprises die shoe 20; Die shoe 20 downsides are connected with bottom plate 18 through lower cushion block 19; Die shoe 20 is provided with lower bolster 21, and lower bolster 21 upsides are provided with lower bolster 22, and die shoe 20 is provided with jigger pin 17; Jigger pin 17 lower ends are provided with the liftout spring, and stretch out outside the die shoe 20 jigger pin 17 upper ends; Lower bolster 22 is provided with the shallow recessing, shallow drawing punch 2 that protrudes in lower bolster 22 surfaces, and shallow recessing, shallow drawing punch 2 peripheries are provided with binder floating block 14, and said binder floating block 14 downsides are provided with binder spring 15; A back station of shallow recessing, shallow drawing punch 2 is provided with shaping punch 13; Correspondence is provided with a plurality of stations on stripper plate 24 and the lower bolster 22; Two stations that are positioned at front end in patrix correspondence respectively are provided with otch drift 25; Otch drift 25 upper ends are fixed on the train wheel bridge 27, and otch drift 25 lower ends extend in the bore of the punch that runs through baffle plate 26 and stripper plate 24 up and down; The cutting edge inclination angle of otch drift 25 is 40 °; On the lower bolster 22 with the otch drift 25 corresponding cutting edges 16 that are provided with down; The unit drift 25a that the pairing otch drift 25 of each station in two stations of said front end is provided with by plurality of sections on the width of mould at interval forms, and two the pairing unit of station drift 25a of above-mentioned front end are crisscross arranged and on the width of mould, cover the shallow recessing, shallow drawing zone of strip.Be provided with dual-purpose pin 23 by the step distance correspondence on the counterdie, dual-purpose pin 23 downside correspondences are provided with spring mechanism, and dual-purpose pin 23 is corresponding with the position of positioning hole on the strip 12.Train wheel bridge 27 downsides are fixed with inner guiding post 7 perpendicular to train wheel bridge 27, and inner guiding post 7 downsides pass baffle plate 26 and are provided with stripper plate 24, on the lower bolster 22 with the inner guiding post 7 corresponding pilot holes 10 that are provided with.Be fixed with outer ball guide pillar 8 on the upper bolster 29, be fixed with the outer bush 9 corresponding with outer ball guide pillar 8 on the die shoe 20, when the upper die and lower die matched moulds, outer ball guide pillar 8 cooperates and inserts in the outer bush 9.
The course of work of the present invention is done as follows: under the pressure of slider of punch, the part of the upper die moves down, and inner guiding post 7, outer ball guide pillar 8 at first get in lower bolster 22 and the outer bush 9, lead; Patrix continues to move down, and stripper plate 24 is pushed down strip 12 earlier with binder floating block 14; Along with patrix continue move down, pull and stretch punch and stripper plate 24 begin to carry out strip 12 is carried out pull and stretch; Along with patrix moves down once more, otch drift 25 beginnings of being fixed in the train wheel bridge 27 are descending then, with following cutting edge 16 synergies on the lower bolster 22; On strip 12, form the otch that is interrupted; The work of completion otch touch baffle plate 26 up to train wheel bridge 27, and patrix moves down end.State during its matched moulds is as shown in Figure 3.Subsequently, under the effect of slider of punch, begin uply, train wheel bridge 27 at first separates with baffle plate 26 and moves, and otch drift 25 breaks away from and withdraws from strip 12 and get into stripper plate 24 inside with moving on the train wheel bridge 27.Along with the continuation of patrix is up, stripper plate 24 separates with lower bolster 22, and strip 12 separates with stripper plate 24, lower bolster 22 under the effect of counterdie jigger pin 17, dual-purpose pin 23, binder floating block 14; So far accomplish punching stroke one time.Strip 12 stepwise operations move a stepping position subsequently, get into next station.Above-mentioned course of work station is one by one carried out once, and the otch that is interrupted on the strip 12 is linked to be a line, and afterwards, when carrying out shallow recessing, shallow drawing again, strip 12 local distortion can not have influence on the operate as normal of other stations.
The present invention verifiedly can effectively guarantee element precision through practice, enhances productivity, and reduces the single part production cost, strengthens the price competitiveness in market.Progressive die of the present invention be fit to steel strip width less than 80mm, thickness less than (or equaling) 1.2mm, contain the large scale progressive die of shallow recessing, shallow drawing.Because progressive die size of the present invention is bigger, template can adopt three plate amalgamations.
Advantage of the present invention is: (1) two stations before progressive die are provided with the otch station, make strip guarantee that at the shallow recessing, shallow drawing station strip sends stepping accuracy to; (2) at the shallow recessing, shallow drawing station binder floating block is set, makes strip when shallow recessing, shallow drawing, at first push down strip, guarantee that strip is stressed evenly, steady, shrink balance; (3) owing to be provided with otch station and binder floating block, guaranteed strip feeding stepping accuracy, the precision of the follow-up station of progressive die is guaranteed; (4) the present invention has replaced original many cover single die tools with progressive die, and simple in structure, efficient is high, and element precision is good, greatly reduces production cost.
The present invention is not limited to the foregoing description; On the basis of technical scheme disclosed by the invention; Those skilled in the art is according to disclosed technology contents; Do not need performing creative labour just can make some replacements and distortion to some technical characterictics wherein, these replacements and distortion are all in protection scope of the present invention.
Claims (7)
1. a large scale shallow recessing, shallow drawing sheet metal component progressive die comprises the corresponding upper die and lower die that are provided with; Said patrix comprises upper bolster; The upper bolster upside is connected with mounting plate through last cushion block, and the upper bolster upper surface is provided with knockout plate, is provided with polyurethane spring between knockout plate and the mounting plate; The upper bolster downside is provided with upper padding plate; The upper padding plate downside is connected with train wheel bridge, and train wheel bridge below is connected with baffle plate through high screw such as movable up and down, and the baffle plate downside is fixedly connected with stripper plate; The knockout plate downside is provided with knockout rod, conflicts at the knockout plate downside in the knockout rod upper end, conflicts at the baffle plate upside in the knockout rod lower end; Said counterdie comprises die shoe, and the die shoe downside is connected with bottom plate through lower cushion block, and die shoe is provided with lower bolster, and the lower bolster upside is provided with lower bolster, and die shoe is provided with jigger pin, and the jigger pin lower end is provided with the liftout spring, and stretch out outside the die shoe jigger pin upper end; Lower bolster is provided with the shallow recessing, shallow drawing punch that protrudes in the lower bolster surface; It is characterized in that: correspondence is provided with a plurality of stations on said stripper plate and the lower bolster; Two stations that are positioned at front end in patrix correspondence respectively are provided with the otch drift; Otch drift upper end is fixed on the train wheel bridge, and otch drift lower end extend in the bore of the punch that runs through baffle plate and stripper plate up and down; The corresponding cutting edge that is provided with down with the otch drift on the lower bolster; The unit drift that the pairing otch drift of each station in two stations of said front end is provided with by plurality of sections on the width of mould is at interval formed, and two the pairing unit of station drifts of said front end are crisscross arranged and on the width of mould, cover the shallow recessing, shallow drawing zone of strip.
2. large scale shallow recessing, shallow drawing sheet metal component progressive die according to claim 1 is characterized in that: said shallow recessing, shallow drawing punch periphery is provided with the binder floating block, and said binder floating block downside is provided with the binder spring.
3. large scale shallow recessing, shallow drawing sheet metal component progressive die according to claim 1 and 2, it is characterized in that: the cutting edge inclination angle of said otch drift is 40 °.
4. large scale shallow recessing, shallow drawing sheet metal component progressive die according to claim 1 and 2 is characterized in that: be provided with dual-purpose pin by the step distance correspondence on the said counterdie, dual-purpose pin downside correspondence is provided with spring mechanism, and dual-purpose pin is corresponding with the position of positioning hole on the strip.
5. large scale shallow recessing, shallow drawing sheet metal component progressive die according to claim 1 and 2; It is characterized in that: said train wheel bridge downside is fixed with inner guiding post perpendicular to train wheel bridge; The inner guiding post downside passes baffle plate and stripper plate setting, the corresponding pilot hole that is provided with inner guiding post on the lower bolster.
6. large scale shallow recessing, shallow drawing sheet metal component progressive die according to claim 1 and 2; It is characterized in that: be fixed with outer ball guide pillar on the said upper bolster; Be fixed with on the said die shoe and the corresponding outer bush of outer ball guide pillar; When the upper die and lower die matched moulds, outer ball guide pillar cooperates in the insertion outer bush.
7. large scale shallow recessing, shallow drawing sheet metal component progressive die according to claim 1 and 2 is characterized in that: a back station of said shallow recessing, shallow drawing punch is provided with the shaping punch.
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| CN201110304705.9A CN102389924B (en) | 2011-10-10 | 2011-10-10 | Large-size shallow-drawing stamping part progressive die |
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| CN201110304705.9A CN102389924B (en) | 2011-10-10 | 2011-10-10 | Large-size shallow-drawing stamping part progressive die |
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| CN102389924B CN102389924B (en) | 2014-11-05 |
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Cited By (9)
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| CN102672759A (en) * | 2012-05-10 | 2012-09-19 | 苏州市飞莱克斯电路电子有限公司 | Mould frame structure of punching mould for punching flexible circuit board |
| CN102672757A (en) * | 2012-05-10 | 2012-09-19 | 苏州市飞莱克斯电路电子有限公司 | Die frame structure of punching die for punching flexible circuit board |
| CN102814411A (en) * | 2012-09-12 | 2012-12-12 | 昆山嘉华电子有限公司 | Punching die |
| CN103433382A (en) * | 2013-08-14 | 2013-12-11 | 芜湖市续元工贸有限公司 | Lower die plate of terminal progressive die |
| CN103920816A (en) * | 2014-04-28 | 2014-07-16 | 滁州品之达电器科技有限公司 | Multi-station high-precision rapid continuous die for molded case circuit breaker and automatic production technology thereof |
| CN104107863A (en) * | 2014-08-13 | 2014-10-22 | 滁州亚利模具设备有限公司 | Stamping mould |
| CN104117574A (en) * | 2014-07-28 | 2014-10-29 | 无锡美润汽车部件有限公司 | Clutch hub die |
| CN108580646A (en) * | 2018-05-25 | 2018-09-28 | 无锡百立德自动化有限公司 | Lithium battery pole slice double-station die-cutting machine |
| CN108723190A (en) * | 2018-07-21 | 2018-11-02 | 扬州广菱电子有限公司 | A kind of dentation carrier reinforcement continuous mold structure |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672759A (en) * | 2012-05-10 | 2012-09-19 | 苏州市飞莱克斯电路电子有限公司 | Mould frame structure of punching mould for punching flexible circuit board |
| CN102672757A (en) * | 2012-05-10 | 2012-09-19 | 苏州市飞莱克斯电路电子有限公司 | Die frame structure of punching die for punching flexible circuit board |
| CN102814411A (en) * | 2012-09-12 | 2012-12-12 | 昆山嘉华电子有限公司 | Punching die |
| CN103433382A (en) * | 2013-08-14 | 2013-12-11 | 芜湖市续元工贸有限公司 | Lower die plate of terminal progressive die |
| CN103920816A (en) * | 2014-04-28 | 2014-07-16 | 滁州品之达电器科技有限公司 | Multi-station high-precision rapid continuous die for molded case circuit breaker and automatic production technology thereof |
| CN104117574A (en) * | 2014-07-28 | 2014-10-29 | 无锡美润汽车部件有限公司 | Clutch hub die |
| CN104107863A (en) * | 2014-08-13 | 2014-10-22 | 滁州亚利模具设备有限公司 | Stamping mould |
| CN108580646A (en) * | 2018-05-25 | 2018-09-28 | 无锡百立德自动化有限公司 | Lithium battery pole slice double-station die-cutting machine |
| CN108723190A (en) * | 2018-07-21 | 2018-11-02 | 扬州广菱电子有限公司 | A kind of dentation carrier reinforcement continuous mold structure |
| CN108723190B (en) * | 2018-07-21 | 2024-03-22 | 扬州广菱电子有限公司 | Tooth-shaped carrier reinforcement progressive die structure |
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| CN102389924B (en) | 2014-11-05 |
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