CN105290211A - Power distribution cabinet arc corner mould pressing device - Google Patents
Power distribution cabinet arc corner mould pressing device Download PDFInfo
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- CN105290211A CN105290211A CN201410223815.6A CN201410223815A CN105290211A CN 105290211 A CN105290211 A CN 105290211A CN 201410223815 A CN201410223815 A CN 201410223815A CN 105290211 A CN105290211 A CN 105290211A
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Abstract
The invention discloses a power distribution cabinet arc corner mould pressing device and belongs to the field of metal moulds of power distribution cabinets. The power distribution cabinet arc corner mould pressing device comprises an upper mould base and a lower mould base; two moulds, namely a punching mould and a pressing mould, are arranged on the mould bases; a carrying device is arranged on the punching mould side; a sucking-out device is arranged on the pressing mould side; three strip-shaped punches forming a triangle are arranged on the punching mould; gaps are formed among the corners of the three strip-shaped punches; a female mould of the pressing mould is concaved and provided with positioning pins; punches of the pressing mould are convex and the corners of the punches of the pressing mould are provided with side tools for cutting off blanked corner portions and framework connection ribs. The defect that as a right-angled power distribution cabinet is adopted in the prior art and the corners of a plant are not cleaned up, the power distribution cabinet is difficult to place neatly is overcome, the problems of finger scratching and collar scraping are reduced, and a brand new style is provided for the power distribution plant.
Description
Technical field
The present invention relates to a kind of circular arc cabinet angle mould pressure device, particularly a kind of power distribution cabinet circular arc cabinet angle mould pressure device, belongs to power distribution cabinet metal die field.
Background technology
In the electric control cabinet put in electric control room or operating room, metallic plate all utilizes panel beating technology to be formed by general metal safe, the produced metal power distribution cabinet of this preparation method or switch board bight have quite a few cabinet angle to be transparent or bending, folding vestige is not handled well, some producers even do not carry out any welding in bight, natively inaesthetic metal safe is made to seem more ugly, what more seriously have can stick up in bight folded metal, in handling process or cleaning process, finger can be caused to scratch, the problems such as clothes scratches, the metal safe also had in the middle of put owing to too protruding in bight, and often there are the residues such as the cement being difficult to remove in the corner of the buildings such as factory building, therefore, even if want to allow cupboard near corner, but, due to the two reason, often be difficult to upright close wall follow, metal safe can be caused to put irregular, out of plumb, see it is very little thing, but the beautiful and clean of whole control room or factory building has been had influence on.
Summary of the invention
In view of the bight metal caused in the process of metal power distribution cabinet cabinet angle tilt cause unsightly, scratch operating personnel, the phenomenons such as neat cannot be put, the invention provides a kind of power distribution cabinet circular arc cabinet angle mould pressure device, its objective is to improve the attractive in appearance of metal safe, reducing unnecessary injury.
A kind of power distribution cabinet circular arc cabinet angle mould pressure device, comprise upper bolster, the die shoe mated with upper bolster, upper bolster and die shoe are assembled with upper die and lower die respectively, be arranged on the guide pillar on die holder and guide pillar sleeve, be arranged on the guide finger on patrix, lower platen, be arranged on the upper ejector pin on counterdie, described upper bolster and die shoe are provided with two molds, first set mould is punch die, second mold is pressing mold, described first set mould and the second mold are respectively arranged with three cover punch and three cover dies, described punch die arranged outside has band material Handling device, described pressing mold arranged outside has product sucking-off Handling device, the patrix of described punch die is provided with and forms leg-of-mutton three pieces of strip drifts, the bight forming leg-of-mutton three pieces of strip drifts has gap, the die of described pressing mold is circular arc triangle recess, recess periphery is provided with alignment pin, described die punch is circular arc triangle convex, the bight of pressing mold triangle convex drift is provided with the side tool cutting off blanking bight and framework dowel, the end of described pressing mold has the end cutting knife cutting off framework, feeding detection device is provided with in described mould, the patrix of described punch die is provided with guide finger drift, in described punch die, three pieces of strip drifts formation triangle centre positions are provided with stripper plate, the upper end of described stripper plate is provided with spring, described stripper plate is consistent with the height of three pieces of drifts at the height of initial point position, the side tool distance die height that described pressing mold triangle convex drift bight is arranged is greater than circular arc triangle convex drift distance die height, each limit of described pressing mold triangle recess is provided with alignment pin, alignment pin diameter is less than the strip drift width that punch die patrix is arranged, alignment pin is right through in the strip punching that band material is gone out, described pressing mold triangle recess is arranged with ejector pin, alignment pin height is horizontally disposed with height lower than band material, upper ejector pin lower end is provided with spring, the band material Handling device of described punch die arranged outside is provided with the drive unit of horizontal direction and the drive unit of vertical direction, the product sucking-off Handling device of described pressing mold arranged outside is provided with the drive unit of level carrying and the drive unit of vertical carrying, described sucking-off Handling device is provided with vacuum cups, described vacuum cups is connected with vacuum source, described sucking-off Handling device move horizontally distance be more than or equal to band material Handling device move horizontally distance.
The good effect that the present invention has is: make use of full-automatic molding device and manufacture power distribution cabinet circular arc cabinet angle, improve production efficiency significantly, and this device once can punching press three products, compared with general automatic punching device, be greatly improved, produce at this product, change and utilize panel beating to bend in the past, the right angle be folded to form, this products application is in power distribution cabinet bight, not only elegant in appearance, and overcome utilize in the past square power distribution cabinet due to factory building bight cleaning be not totally difficult to put neat drawback, decrease carrying personnel because power distribution cabinet bight rivet welding not exclusively causes or cleaning personnel point scuffing, the problem that collar scratches, for distribution factory building provides with a kind of brand-new style.
Accompanying drawing explanation
The product schematic diagram that Fig. 1 apparatus of the present invention manufacture.
The overall structure schematic diagram of Fig. 2 apparatus of the present invention.
The structural representation of punch die in Fig. 3 the present invention.
The structural representation of pressing mold in Fig. 4 the present invention.
The schematic diagram that in Fig. 5 the present invention, after punch die processing, band is expected.
The staking punch structural representation of pressing mold in Fig. 6 the present invention.
Detailed description of the invention
Be described with regard to technical scheme of the present invention referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6.100: punch die, 200: pressing mold, in Fig. 2,001: upper bolster, 002: die shoe, 003: guide pillar, 004: guide pillar sleeve, in Fig. 3,101a: one of patrix assembly hole of punch die, 101b: one of counterdie assembly hole of punch die, 102: punch die mounting plate, 103: punch die upper padding plate, 104: punch die lower platen, 105a: pilot hole drift, 105b: pilot hole die, 106a: band material front jig, 106b: band material rear jig, 107: band material Handling device vertical drive, 108: band material Handling device horizontal drive apparatus, 109a: punch die lower platen spring, 111: punch die guide finger, 112a: one of strip drift, 112b: one of strip die, in 213b: Fig. 3,201c: one of patrix assembly hole of pressing mold, 201d: one of counterdie assembly hole of punch die, 202: pressing mold mounting plate, 203: pressing mold upper padding plate, 204: punch die lower platen, 205a: dowel side tool, 205b: dowel side tool die, 206a: product sucking-off Handling device, 206b: vacuum cups, 207: carrying device for products vertical drive, 208: carrying device for products horizontal drive apparatus, 209a: pressing spring under pressing mold, 210: end cutting knife, 211: pressing mold guide finger, 212a: dowel side tool, 212b: dowel side tool die, 213a: die punch, 213b: pressing mold die, 214: upper ejector pin, 215a: alignment pin, in Fig. 4,301: one of pilot hole, 302: one of dowel, 303: one of strip punching, 304: framework.
In order to better understand and implement technical scheme of the present invention, provide some embodiments of the present invention at this, these embodiments, in order to better explain technical solutions according to the invention, are not formed any form restriction of the present invention.
Just technical scheme of the present invention is described below, what show in Fig. 1 is the product that in the present invention, molding device will be processed, the full-automatic diel as shown in Figure 2 according to the featured configuration of this product, in this full-automatic diel, previous mould mainly stamping material shape is called blanking in explanation, this mold is called punch die in invention description, what a rear mould mainly completed is processing of extending, in addition, will cut off with the dowel that blanking is connected with peripheral frame, the framework as fertilizer be cut into segment.
In this molding device; there are two molds; i.e. punch die 100 and pressing mold 200; once can process three products in every mold, in following punch die or pressing mold process, mainly be described around the process of a product and the mould structure of a product; mould structure and the process of other two products are identical; other two can be gone to understand according to the explanation of this product, at this, just no longer carry out repeat specification to two products of other on same mould.
Molding device of the present invention, the die shoe 002 comprising the upper bolster 001 described in Fig. 2 and mate with upper bolster, upper bolster 001 and die shoe 002 are assembled with two patrixes and two counterdies respectively, die holder is provided with guide pillar 003 and guide pillar sleeve 004, patrix is provided with guide finger, lower platen, counterdie is provided with ejector pin, described upper bolster 001 and die shoe 002 are provided with two molds, first set mould is punch die 100, second mold is pressing mold 200, described first set mould and the second mold are made up of upper die and lower die respectively, described patrix utilizes patrix assembly hole to be assembled on upper bolster, wherein 101a is one of patrix assembly hole of punch die, 201c is one of patrix assembly hole of punch die, patrix comprises mounting plate, specifically comprise punch die mounting plate 102 in the present invention, punch die upper padding plate 103, punch die lower platen 104, in addition, also has pilot hole drift 105a, punching press drift, punch die pressure strip spring, punch die guide finger 111, punch die lower platen 104, pressing mold guide finger 211, strip drift, lower platen 204, end cutting knife 210, die punch 213a etc., counterdie comprises the parts that the lower mould corresponding with patrix is assembled, comprise in the present embodiment, pilot hole die 105b, strip die, pressing mold die 213b, dowel side tool die 205b, alignment pin, upper ejector pin 214 etc., every mold is provided with three cover punch and three cover dies, described punch die arranged outside has band material Handling device, band material Handling device mainly in process according to processing beat, conveyor belt material forward, the band material Handling device of described punch die 100 arranged outside is provided with band material Handling device horizontal drive apparatus 108 and band material Handling device vertical drive 107, the product sucking-off Handling device 206a of described pressing mold 200 arranged outside is provided with carrying device for products horizontal drive apparatus 208 and carrying device for products vertical drive 207, described sucking-off Handling device is provided with vacuum cups, described 206b is one of them, vacuum cups is connected with vacuum source, described sucking-off Handling device 206a move horizontally distance be more than or equal to band material Handling device move horizontally distance.The patrix of described punch die is provided with and forms leg-of-mutton three pieces of strip drifts, wherein, 112a is one of strip drift, this punch constitutes triangle by three strip drifts, but, the bight forming leg-of-mutton three pieces of strip drifts has gap, described gap is in process, define the dowel between blanking and framework, 302 is one of dowel, this dowel effect prevents blanking from departing from framework 304, be convenient to carry out successional processing in a mold, if cut off this dowel in punch die, sucker must be utilized to suck up, process, but be difficult to ensure successional processing, the pressing mold die 213b of described pressing mold is circular arc triangle recess, recess periphery is provided with alignment pin, 215a is one of them, described die punch 213a is circular arc triangle convex, the bight of pressing mold triangle convex drift is provided with the dowel side tool cutting off blanking bight and framework 304 dowel, one in 205a tri-, the end of described pressing mold has the end cutting knife 210 cutting off framework, the object of end cutting knife 210 is the small powders using cutting into pipe nipple as the framework 304 of waste material, be convenient to like this manage waste material, feeding detection device is provided with in described mould, this feeding detection device is main is whether detection zone material Handling device is carried and put in place, whether direction correct and arrange, described patrix is provided with guide finger drift, in described punch die, three pieces of strip drifts formation triangle centre positions are provided with stripper plate, the upper end of described stripper plate is provided with spring, its objective is when strip drift, after process finishing, when strip drift rises, gap between the strip punching of strip drift and the upper processing of band material is quite little, band material can together raise up, in order to prevent the generation of this situation, the inner face of strip drift is responsible for compression by stripper plate, the outside of strip drift is responsible for compression by punch die lower platen 104 and is prevented band material from rising with strip drift, wherein 112a is one of strip drift, because described stripper plate is consistent with the height of three drifts at the height of initial point position, when strip drift declines, can simultaneously with punch die lower platen 104 holddown belt material, so, during punching press, do not have the offset phenomena of band material, the precision of product can be guaranteed, the dowel side tool 205a distance die height that described pressing mold triangle convex drift bight is arranged is greater than circular arc triangle convex drift 213a distance die height, at this, both height compared with die height are sustained height, each limit of described pressing mold triangle recess is provided with alignment pin 215a, owing to the die of pressing mold being triangle recess, alignment pin 215a is arranged on the position of triangle recess periphery lower than band material height, can not the movement of inhibiting belt material, when die punch 213a decline is drawn dark, because alignment pin diameter is less than the strip drift width that punch die patrix is arranged, alignment pin 213a is right through in the strip punching that band material is gone out, described pressing mold triangle recess is arranged with ejector pin 214, upper ejector pin 214 lower end is provided with spring, after strip drift rises, can come up in the product top of machine-shaping by upper ejector pin 214, the vacuum cups 206b of sucking-off Handling device will easily by product sucking-off, be transported in the product box arranged on the right of pressing mold 200, three products in three dies can be transported to product simultaneously simultaneously arrange in case by described product absorption Handling device 206a.
Process below with regard to product is described.
The band material of rolling is used in product processing, described band material is arranged on band material swinging mounting, described band material swinging mounting is provided with tumbler, according to length required in processing, launch, described band material moves along the centre position of two counterdies, when being with material to enter punch die 100, on the position, both sides of the band material entrance band material of punch die 100, be provided with band material identification sensor, after band material enters, band material Handling device is utilized from left to right to carry band material, during conveying, band material is under the driving of band material Handling device vertical drive 107, on band material front jig 106a and band material rear jig 106b, lower clamp opens, under the driving of band material Handling device horizontal drive apparatus 108, move from right to left, displacement is just in time the distance of three mold members, then band material front jig 106a and band material rear jig 106b is under the driving of band material Handling device vertical drive 107, upper lower clamp closes, clamping band material, under the driving of band material Handling device horizontal drive apparatus 108, clip band material to move from left to right, now, band material enters in punch die 100, patrix declines, first by punch die lower platen 104 holddown belt material, top due to lower platen 104 is punch die lower platen spring 109a, in punch die patrix decline process, after punch die lower platen 104 holddown belt material, compression punch die lower platen 104 has punch die lower platen spring 109a above, compression dynamics continues to increase, compress band material firmly, in patrix decline process, pilot hole drift 105a is at band material upper punch pilot hole, pilot hole is formed under the coupling of pilot hole drift 105a and pilot hole die 105b, 301 is one of pilot hole, punched scrap is fallen below counterdie, while rushing pilot hole, in punch die, the triangle stripper plate of three pieces of strip drifts and three strip drift formations declines simultaneously, the back side because of stripper plate is spring, compress band material under the action of the spring, stripper plate now, the same with the effect of punch die lower platen 104, highly too, just position is different, now, the triangle stripper plate that three strip drifts in three punch in punch die, patrix arranged are formed together with three strip drifts together with time decline, match with three strip dies that counterdie is arranged, wherein 112a is one of strip drift, 112b is one of strip die, band material is processed, band material is formed the shape in Fig. 4, because three strip drifts do not link together mutually in bight, and just have certain gap each other, therefore, the position, tip-clearance of three strip drifts constitutes between blanking (triangle material) and band material and defines dowel in bight, wherein, show in Fig. 4 302 is one of dowel, band material after processing, periphery becomes foregoing framework, can shear disconnected in pressing mold processing subsequently, become waste material.Band material after processing, needs to continue to send band material forward, and as previously mentioned, in two pilot holes that the distance of carrying just in time can make two of die tip guide fingers insert to process above, wherein 111 is one of them punch die guide finger to band material handling process.
Band material after punch die 100 processing above enters in pressing mold 200, in 200, pressing mold guide finger can be inserted in pilot hole, 211 is one of them pressing mold guide finger, in also pressing mold, the same with punch die 100, first by pressing mold lower platen 204 holddown belt material, top due to pressing mold lower platen 204 is punch die lower platen spring 209a, in patrix decline process, after pressing mold lower platen 204 holddown belt material, pressing mold lower platen spring 209a above compression pressing mold lower platen 204, compression dynamics continues to increase, firmly the compress band material, in patrix decline process, guide finger inserts in pilot hole, 211 is one of them guide finger, the patrix of pressing mold is in decline process, first circular arc triangle convex die punch 213 contacts with leg-of-mutton blanking, then, the dowel side tool being positioned at circular arc triangle convex die punch three corner positions can decline, match with the dowel side tool die that counterdie is arranged, cut off dowel, wherein, 212a is one of them dowel side tool, 212b is one of them dowel side tool die, in three moulds that counterdie is arranged, band material in each mould there are three dowels connected in blanking and framework, totally nine dowels can be cut off simultaneously, along with the continuous decline of pressing mold patrix, triangle blanking is extended gradually, each limit of described pressing mold triangle recess is provided with alignment pin 215a, owing to the die of pressing mold being triangle recess, triangle recess periphery is provided with alignment pin, alignment pin 215a is arranged on die punch and is arranged on the position of triangle recess periphery lower than band material height, when die punch 213a decline is drawn dark, because alignment pin diameter is less than the strip drift width that punch die patrix is arranged, alignment pin 213a is right through in the strip punching that band material is gone out, the shape of product of finally extending in formation Fig. 1, after patrix rises, the upper ejector pin 214 that the product being arranged in die is arranged below die, spring is provided with below upper ejector pin 214, under the action of the spring, is come up in product top.After formed product, be positioned at the product sucking-off Handling device 206a of product right-hand member under the driving of carrying device for products horizontal drive apparatus 208, move to die, under the driving of carrying device for products vertical drive 207, vacuum cups 206b declines, vacuum cups 206b vacuum source is connected, product is sucked, under the driving of carrying device for products vertical drive 207, vacuum cups 206b rises, under the driving of carrying device for products horizontal drive apparatus 208, product is transported to the right-hand member of pressing mold 200, release vacuum, the product be placed into by product is below arranged in case.
While in pressing mold, circular arc triangle convex die punch declines, the framework as waste material is sheared disconnected, in the waste material basket that the waste material after shearing is arranged under automatically dropping to pressing mold end by the end cutting knife 210 being arranged on press mold 200 patrix end.
Above-mentioned just relevant power distribution cabinet circular arc cabinet angle mold structure and processing method are illustrated, those of ordinary skill in the art should be well understood to, according to the various common practise of this area, can carry out various equivalent variations, equivalent replacement according to thinking of the present invention or simply revise, these all should belong to the scope of technical solution of the present invention.
The good effect that the present invention has make use of full-automatic molding device to manufacture power distribution cabinet circular arc cabinet angle, improve production efficiency significantly, and this device once can punching press three products, compared with general automatic punching device, be greatly improved, produce at this product, change and utilize panel beating to bend in the past, the right angle be folded to form, this products application is in power distribution cabinet bight, not only elegant in appearance, and overcome utilize in the past square power distribution cabinet due to factory building bight cleaning be not totally difficult to put neat drawback, decrease carrying personnel because power distribution cabinet bight rivet welding not exclusively causes or cleaning personnel point scuffing, the problem that collar scratches, for distribution factory building provides with a kind of brand-new style.
Claims (3)
1. a power distribution cabinet circular arc cabinet angle mould pressure device, comprise upper bolster, the die shoe mated with upper bolster, upper bolster and die shoe are assembled with upper die and lower die respectively, be arranged on the guide pillar on die holder and guide pillar sleeve, be arranged on the guide finger on patrix, lower platen, be arranged on the upper ejector pin on counterdie, it is characterized in that: described upper bolster and die shoe are provided with two molds, first set mould is punch die, second mold is pressing mold, described first set mould and the second mold are respectively arranged with three cover punch and three cover dies, described punch die arranged outside has band material Handling device, described pressing mold arranged outside has product sucking-off Handling device, the patrix of described punch die is provided with and forms leg-of-mutton three pieces of strip drifts, the bight forming leg-of-mutton three pieces of strip drifts has gap, the die of described pressing mold is circular arc triangle recess, recess periphery is provided with alignment pin, described die punch is circular arc triangle convex, the bight of pressing mold triangle convex drift is provided with the side tool cutting off blanking bight and framework dowel, the end of described pressing mold has the end cutting knife cutting off framework, feeding detection device is provided with in described mould.
2. a kind of power distribution cabinet circular arc cabinet angle mould pressure device according to claim 1, it is characterized in that: the patrix of described punch die is provided with guide finger drift, in described punch die, three pieces of strip drifts formation triangle centre positions are provided with stripper plate, the upper end of described stripper plate is provided with spring, described stripper plate is consistent with the height of three pieces of drifts at the height of initial point position, the side tool distance die height that described pressing mold triangle convex drift bight is arranged is greater than circular arc triangle convex drift distance die height, each limit of described pressing mold triangle recess is provided with alignment pin, alignment pin diameter is less than the strip drift width that punch die patrix is arranged, alignment pin height is horizontally disposed with height lower than band material, alignment pin is right through in the strip punching that band material is gone out, described pressing mold triangular fovea falls into recess and is arranged with ejector pin, upper ejector pin lower end is provided with spring.
3. a kind of power distribution cabinet circular arc cabinet angle mould pressure device according to claim 1, it is characterized in that: the band material Handling device of described punch die arranged outside is provided with the drive unit of horizontal direction and the drive unit of vertical direction, the product sucking-off Handling device of described pressing mold arranged outside is provided with the drive unit of level carrying and the drive unit of vertical carrying, described sucking-off Handling device is provided with vacuum cups, described vacuum cups is connected with vacuum source, described sucking-off Handling device move horizontally distance be more than or equal to band material Handling device move horizontally distance.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223815.6A CN105290211B (en) | 2014-05-26 | 2014-05-26 | A kind of power distribution cabinet circular arc cabinet angle mould pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223815.6A CN105290211B (en) | 2014-05-26 | 2014-05-26 | A kind of power distribution cabinet circular arc cabinet angle mould pressure device |
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| CN105290211A true CN105290211A (en) | 2016-02-03 |
| CN105290211B CN105290211B (en) | 2017-06-13 |
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| CN201410223815.6A Active CN105290211B (en) | 2014-05-26 | 2014-05-26 | A kind of power distribution cabinet circular arc cabinet angle mould pressure device |
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| US5526668A (en) * | 1991-10-18 | 1996-06-18 | Institute Of Technology Precision Electrical Discharge Work's | Index-feed machining system |
| JP3811542B2 (en) * | 1997-05-01 | 2006-08-23 | 日高精機株式会社 | Mold apparatus and fin manufacturing method for heat exchanger |
| CN101934327A (en) * | 2010-09-28 | 2011-01-05 | 上海徕木电子股份有限公司 | Punching process of box-shaped shielding case |
| CN202015779U (en) * | 2010-12-21 | 2011-10-26 | 福清市伊鑫机械有限公司 | Automatic punching multi-mould combination structure |
| CN203330241U (en) * | 2013-05-07 | 2013-12-11 | 江苏奥斯特滤清器制造有限公司 | Automatic continuous forming machine for filter sealing cover plates |
| CN203484519U (en) * | 2013-08-22 | 2014-03-19 | 上海德真工贸有限公司 | Progressive die for producing rear end cover for automobile engine |
| CN203862851U (en) * | 2014-05-26 | 2014-10-08 | 安阳优创电器有限责任公司 | Die pressing device for arc-shaped cabinet corner of power distribution cabinet |
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2014
- 2014-05-26 CN CN201410223815.6A patent/CN105290211B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5526668A (en) * | 1991-10-18 | 1996-06-18 | Institute Of Technology Precision Electrical Discharge Work's | Index-feed machining system |
| JP3811542B2 (en) * | 1997-05-01 | 2006-08-23 | 日高精機株式会社 | Mold apparatus and fin manufacturing method for heat exchanger |
| CN101934327A (en) * | 2010-09-28 | 2011-01-05 | 上海徕木电子股份有限公司 | Punching process of box-shaped shielding case |
| CN202015779U (en) * | 2010-12-21 | 2011-10-26 | 福清市伊鑫机械有限公司 | Automatic punching multi-mould combination structure |
| CN203330241U (en) * | 2013-05-07 | 2013-12-11 | 江苏奥斯特滤清器制造有限公司 | Automatic continuous forming machine for filter sealing cover plates |
| CN203484519U (en) * | 2013-08-22 | 2014-03-19 | 上海德真工贸有限公司 | Progressive die for producing rear end cover for automobile engine |
| CN203862851U (en) * | 2014-05-26 | 2014-10-08 | 安阳优创电器有限责任公司 | Die pressing device for arc-shaped cabinet corner of power distribution cabinet |
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| CN105290211B (en) | 2017-06-13 |
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