CN103302166A - High-precision two-station covering part die - Google Patents
High-precision two-station covering part die Download PDFInfo
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- CN103302166A CN103302166A CN2013102236461A CN201310223646A CN103302166A CN 103302166 A CN103302166 A CN 103302166A CN 2013102236461 A CN2013102236461 A CN 2013102236461A CN 201310223646 A CN201310223646 A CN 201310223646A CN 103302166 A CN103302166 A CN 103302166A
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Abstract
The invention relates to a high-precision two-station covering part die, and belongs to the technical field of automobile dies. The die has the advantages that a pair of dies is stamped in two trimming processes at the same time, so that the die manufacturing cost is lowered; and compared with one-time trimming process, the two trimming processes have the advantages that through the adjustment of the trimming direction, the vertical trimming is carried out for different technical addendum surfaces, so that the product edge precision is higher. A trimming knife block of the covering part die is a combined knife block, and is easy to replace as compared with an integrated knife block, so that the service life of the die is prolonged; an upper die holder and a lower die holder are guided by internal guiding plates and a combined guiding structure formed by guide pillars and bushes, external guide plates and back blocks at the same time, so that not only is the precise guiding facilitated, but also the lateral force generated after a female die and a male die are in contact with each other is beneficial to cancellation, the damage of the female die and the male die is avoided, tapered positioners are used to guide the female die and the male die in the second process, so that the final precision after the product edge is trimmed is ensured, and the precision and safety of the movement of the die are ensured through using a plurality of position limiting mechanisms.
Description
Technical field
Patent of the present invention relates to a kind of high accuracy two station cladding member molds, belongs to the automobile die technical field.
Background technology
Current, China Automobile Industry is swift and violent, but the automobile making quality is showed no sign of reduction, and required precision is higher on the contrary, so the development rate of new product, quality requirement and manufacturing cost also just become the important balance index of Automobile Enterprises competition.
Based on fast development and the index request of auto industry, the quality requirement that the large-scale covering Mould Machining is made and cost also improve thereupon.Because the size of this class mould is larger, structure is more complicated again, Trimming Die especially, and its blade shape very irregular, and be subject to the restriction of product shape and size.When trimming edge is damaged, to repair again when keeping in repair, the time cycle is long, maintenance cost is high.
In order to remedy the existing structural deficiency of Trimming Die, patent of the present invention provides a kind of high accuracy two station cladding member molds, and the precision that this mould is pruned the part slab edge is higher; By multiple guiding mechanism, thereby guiding is more accurate; By Combined trimming cutter piece, be easy to repair and change; And die manufacturing cost is low, production efficiency is high, clear away waste is also convenient.
Summary of the invention
Patent of the present invention provides a kind of high accuracy two station cladding member molds, belongs to the automobile die technical field.This mould is simultaneously stamping in a secondary mould with the twice trimming process step, reduces die manufacturing cost; The twice trimming process step is compared advantage and is to carry out vertical trimming for different process complementary surfaces, thereby make the product edge precision higher by adjusting the deburring direction with disposable deburring.The edge iron piece of cladding member mold of the present invention is the combined knife piece, with respect to the monolithic blade piece, is easy to change, and improves the mold use life-span.This mould is by guide pillar guide pin bushing, outer guide plate and lean against block combined guide frame, inner guide plate simultaneously to die holder guiding up and down, both be conducive to accurate guiding, be beneficial to again and offset the side force that produces after the punch-die contact, avoid punch-die to damage, in second operation work, use the taper locator that punch-die is led, the final precision after the deburring of assurance product edge.
The object of the present invention is to provide a kind of two station cladding member molds, the precision that this mould is pruned slab edge is higher, guiding is more accurate, the edge iron piece is easy to repairing and replacing, die manufacturing cost is low, production efficiency is high, clear away waste is convenient.
Technical scheme of the present invention is: the twice trimming process step is simultaneously stamping in a secondary mould, reduce die manufacturing cost; The twice trimming process step is compared advantage and is to carry out vertical trimming for different process complementary surfaces, thereby make the product edge precision higher by adjusting the deburring direction with disposable deburring.
Edge iron piece in the twice trimming process step is the combined knife piece, with respect to the monolithic blade piece, be easy to change, and can be for the position of Rigidity and strength deficiency, the higher material of local working strength, thus die manufacturing cost reduced, improve the mold use life-span, the combined knife piece is symmetrical, thereby makes the mould stress balance; First operation in the twice trimming process step is divided into five by the counterdie waste knife with unnecessary waste material, namely can save device for discharging, also simplifies mould structure; By the discharge slope guide plate five lump waste materials are skidded off automatically, reduce artificial feeding, reduce labour intensity, increase work efficiency.
This mould by the guide pillar guide pin bushing, slide plate is installed lean against piece and die slide plate combined type guide frame simultaneously to die holder guiding up and down, the mould concussion that piece slightly leads to die holder up and down and blanking pressure causes when overcoming punching press that leans against of slide plate adopt to be installed, utilize guide pillar guide pin bushing and die slide plate accurately to lead, the die slide plate also is beneficial to offsets the side force that produces after the punch-die contact, avoid punch-die to damage, and in second operation work, use the taper locator that punch-die is led, the final precision after the deburring of assurance product edge.
First operation in the twice trimming process step is used stop screw and spring assembly structural limitations die stroke, and in the mould closure, provide thrust, make the die reinstatement when mould is opened, after stop screw lost efficacy, safety screw and spring assembly structure can prevent that die from falling; Because the die both sides of second operation work do not have the edge iron piece, therefore use limiting plate restriction die stroke, save die manufacturing cost, after limiting plate lost efficacy, guard plate can prevent that die from falling, in order to avoid mould damages and accident occurs; Use up and down die holder closing position of square limited block restriction mould, by increasing up and down die holder closing position of pad fine setting mould, adjust mould to the thrust of plate.
The invention has the advantages that: 1) that the twice trimming process step is simultaneously stamping in a secondary mould, reduce die manufacturing cost; The twice trimming process step is compared advantage and is to carry out vertical trimming for different process complementary surfaces, thereby make the product edge precision higher by adjusting the deburring direction with disposable deburring; 2) the edge iron piece in the road trimming process step is the combined knife piece, with respect to the monolithic blade piece, be easy to change, and can be for the position of Rigidity and strength deficiency, the material that local working strength is higher, thus die manufacturing cost is lower, longer service life; 3) the first operation in the twice trimming process step is divided into five by the counterdie waste knife with waste material, namely can save device for discharging, also simplifies mould structure; By the discharge slope guide plate five lump waste materials are skidded off automatically, reduce artificial feeding, reduce labour intensity, increase work efficiency; 4) by the guide pillar guide pin bushing, slide plate is installed lean against piece, die slide plate and combined type guide frame simultaneously to die holder guiding up and down, both be conducive to accurate guiding, be beneficial to again and offset the side force that produces after the punch-die contact, avoid punch-die to damage; 5) based on above-mentioned each guide frame, in second operation work, adopt again the taper locator that upper and lower mould is led, the final precision after the deburring of assurance product edge; 6) the first operation in the twice trimming process step is used stop screw and spring assembly structural limitations die stroke, and in the mould closure, provide thrust, when opening, mould makes the die reinstatement, after stop screw lost efficacy, safety screw and spring assembly structure can prevent that die from falling; Second operation work is used limiting plate restriction die stroke, and after limiting plate lost efficacy, guard plate can prevent that die from falling, in order to avoid mould damages and accident occurs; 7) based on above-mentioned each position-limit mechanism, adopt again up and down die holder closing position of spacing square limited block restriction mould, by increasing up and down die holder closing position of pad fine setting mould, adjust mould to the thrust of plate, thereby improve the sheet forming quality.
Description of drawings
Fig. 1 is the overall structure schematic diagram of mould of the present invention;
Fig. 2 is the upper die component structural representation;
Fig. 3 is two-step die schematic rear view;
Fig. 4 is counterdie modular construction schematic diagram;
Fig. 5 is patrix Combined trimming cutter piece distribution schematic diagram;
Fig. 6 is counterdie Combined trimming cutter piece and waste knife distribution schematic diagram;
Fig. 7 is comparison diagram before and after the operation 1 product deburring;
Fig. 8 is comparison diagram before and after the operation 2 product deburrings;
In the accompanying drawing: the 1-upper bolster; 2-leans against soon; The 3-guide pin bushing; The outer guide plate of 4-; 1 first patrix edge iron piece of 5-operation; 1 second patrix edge iron piece of 6-operation; The 3rd patrix edge iron piece of 7-operation 1; The 4th edge iron piece of 8-operation 1 patrix; The 5th patrix edge iron piece of 9-operation 1; 2 first patrix edge iron pieces of 10-operation; 2 second patrix edge iron pieces of 11-operation; The 3rd patrix edge iron piece of 12-operation 2; 13-operation 2 spacing pressing plates; 14-operation 2 safe pressing plates; 15-taper locator; The 16-drift; 17-operation 1 limit spring and screw association structure; 18-operation 1 safety spring and screw association structure; The 19-inner guide plate; 20-operation 1 holding pad; 21-operation 1 holding pad is inserted; 22-operation 2 spring retainers; 23-operation 2 holding pads; The 24-guide pillar; The 25-die shoe; 1 first counterdie edge iron piece of 26-operation; 1 second counterdie edge iron piece of 27-operation; The 3rd counterdie edge iron piece of 28-operation 1; 2 first counterdie edge iron pieces of 29-operation; 2 second counterdie edge iron pieces of 30-operation; The 3rd counterdie edge iron piece of 31-operation 2; 32-square limited block; 33-punching concave die cover; 34-discharge slope guide plate; First counterdie waste knife of 35-; Second counterdie waste knife of 36-; The 3rd counterdie waste knife of 37-.
The specific embodiment
By Fig. 1-Fig. 5 as can be known, the critical piece of patent two station cladding member molds of the present invention comprises: upper die component, lower membrane module and guidance set, and wherein upper die component comprises that upper bolster 1, patrix Combined trimming cutter piece 5-12, drift 16, limit spring and screw association structure 17, safety spring and screw association structure 18, holding pad 20, holding pad insert 21; Spacing pressing plate 13 in the operation 2, safe pressing plate 14, spring retainer 22, holding pad 23; Lower membrane module comprises die shoe 25, counterdie Combined trimming cutter piece 26-31, square limited block 32, punching concave die cover 33, discharge slope guide plate 34, counterdie waste knife 35-37; Guidance set comprises and leans against fast 2, guide pin bushing 3, outer guide plate 4, taper locator 15, inner guide plate 19, guide pillar 24.
Wherein, the installation method of upper die component is: the bottom that first drift 16 is fixed on holding pad 20, again with the holding pad 20 of operation 1, holding pad inserts 21 and the holding pad 23 of operation 2 limit spring and the screw association structure 17 by the back side, safety spring and this combining structure of screw association structure 18(are by being enclosed within limit spring and safety spring on the screw) and spring retainer 22 be connected to the centre position of upper bolster 1 bottom, and in the side of the holding pad 23 of the holding pad 20 of operation 1 and operation 2 12 inner guide plates 19 are installed, each six of each operations, again with patrix Combined trimming cutter piece 5-12, namely be put together by polylith edge iron piece, be fixed on the bottom of upper bolster 1, and be distributed in the holding pad 20 of operation 1, holding pad insert 21 and the holding pad 23 of operation 2 around, at last with spacing pressing plate 13, safe pressing plate 14 is fixed on the bottom of upper bolster 1 and the both sides of patrix Combined trimming cutter piece 10-12; The installation method of lower membrane module is: the centre position that counterdie Combined trimming cutter piece 26-31 is installed in die shoe 25 tops, rush the punching concave die cover 33 that fabrication hole is used in 26,28 installations of counterdie Combined trimming cutter piece, and at arranged around 3 lump waste materials cutter 35-37 and 6 discharge slope guide plates 34 of counterdie Combined trimming cutter piece 26-31, at die shoe 25 four jiaos a square limited block 32 is installed respectively; The installation method of guidance set is: install in the centre position of upper bolster 1 minor face and lean against fast 2, guide pin bushing 3, lean against fast 2 fixing outside guide plate 4, guide pillar 24 is installed in centre position at die shoe 25 minor faces, and taper locator 15 is installed in the center of upper bolster 1 and die shoe 25; Auxiliary spare part is installed at last.
The processing of large-scale covering need to be passed through pull and stretch, fabrication hole, deburring, trimming and piercing die, flanging and restriking and side punching subdivision six procedures are rushed in deburring; finish by three molds; patent two station cladding member molds of the present invention are finished deburring and are rushed fabrication hole and deburring two procedures; the mould structure of protecting is the second mold, namely finishes trimming and piercing die operation and trimming process step.
The mold use method is: upper bolster 1 is fixed on the press ram, die shoe 25 is fixed on the press bench face, part after the preceding working procedure shaping is placed on the box-like edge iron piece of the module 26-31 of operation 1 and operation 2, operation 1 positions by die shape face, because operation 2 is compared with operation 1, the deburring direction has been rotated the 45° angle degree, when being placed on the die shape face of operation 2 through the part after operation 1 deburring, can skid off die shape face, therefore in operation 1, go out fabrication hole by drift 16 and punching concave die cover 33, for operation 2 is done the location, thereby operation 2 parts position by die shape face and fabrication hole.By lean against fast 2 and outer guide plate 4 combining structures slightly lead and guide pillar 24, guide pin bushing 3 and inner guide plate 19 carry out the essence guiding, upper bolster 1 is descending with press ram, after the descending certain distance, the holding pad 20 of operation 1, holding pad is inserted and 21 is contacted with part with the holding pad 23 of operation 2, upper bolster 1 continues descending, because limit spring and screw association structure 17, safety spring and screw association structure 18 and spring retainer 22 compressions, spring produces spring force makes plate compacted, spring-compressed is after a certain amount of, patrix Combined trimming cutter piece 5-12 contacts with the plate upper surface, upper bolster 1 continues descending, patrix Combined trimming cutter piece 5-9 cuts away the deburring face around the plate in the operation 1, by counterdie waste knife 35-37 the deburring face that downcuts is cut into five again, slide from discharge slope guide plate 34 separately, operation 2 is carried out under the essence guiding at taper locator 15, patrix Combined trimming cutter piece 10-12 the deburring face of a side of plate is cut away and by spacing pressing plate 13 spacing and safe pressing plates 14 as protecting, deburring face slides from discharge slope guide plate 34, and upper bolster 1 and die shoe 25 are spacing by square limited block 32; Upper bolster 1 is up, and compressed spring recovers gradually, make holding pad 20, the holding pad of operation 1 insert 21 and the holding pad 23 of operation 2 get back to initial position, take out the part in operation 1 and the operation 2, as shown in Figure 6 and Figure 7.
Claims (3)
1. high accuracy two station cladding member molds, be used for operation 1 deburring and punching and the again deburring of operation 2 of covering, comprise upper die component, lower membrane module and guidance set, it is characterized in that: upper die component comprises that upper bolster, patrix Combined trimming cutter piece, drift, limit spring and screw association structure, safety spring and screw association structure, operation 1 holding pad, holding pad insert; Spacing pressing plate, safe pressing plate, spring retainer, operation 2 holding pads; Lower membrane module comprises die shoe, counterdie Combined trimming cutter piece, square limited block, punching concave die cover, discharge slope guide plate, counterdie waste knife; Guidance set comprises and leans against fast, guide pin bushing, outer guide plate, taper locator, inner guide plate, guide pillar;
Wherein, the installation method of upper die component is: the bottom that first drift is fixed on operation 1 holding pad, again with operation 1 holding pad, holding pad is inserted and limit spring and the screw association structure of operation 2 holding pads by the back side, safety spring and screw association structure and spring retainer are connected to the centre position of upper bolster bottom, and in the side of operation 1 holding pad and operation 2 holding pads 12 inner guide plates are installed, each six of each operations, again will be by 1 first patrix edge iron piece of operation, 1 second patrix edge iron piece of operation, the 3rd patrix edge iron piece of operation 1, the 4th edge iron piece of operation 1 patrix, the 5th patrix edge iron piece of operation 1,2 first patrix edge iron pieces of operation, the patrix Combined trimming cutter piece that the 3rd patrix edge iron piece of 2 second patrix edge iron pieces of operation and operation 2 forms is fixed on the bottom of upper bolster, and be distributed in operation 1 holding pad, holding pad insert and operation 2 holding pads around, at last with spacing pressing plate, the bottom that safe pressing plate is fixed on upper bolster is arranged in 2 first patrix edge iron pieces of operation of patrix Combined trimming cutter piece simultaneously, the both sides of 2 second patrix edge iron pieces of operation and the 3rd patrix edge iron piece of operation 2; The installation method of lower membrane module is: will be by 1 first counterdie edge iron piece of operation, 1 second counterdie edge iron piece of operation, the 3rd counterdie edge iron piece of operation 1,2 first counterdie edge iron pieces of operation, the counterdie Combined trimming cutter piece that the 3rd counterdie edge iron piece of 2 second counterdie edge iron pieces of operation and operation 2 forms is installed in the centre position on die shoe top, the 3rd counterdie edge iron piece of 1 first counterdie edge iron piece of operation in counterdie Combined trimming cutter piece and operation 1 installed and rushed the punching concave die cover that fabrication hole is used, and at arranged around 3 lump waste materials cuttves and 6 discharge slope guide plates of counterdie Combined trimming cutter piece, at die shoe four jiaos a square limited block is installed respectively; The installation method of guidance set is: install in the centre position of upper bolster minor face and lean against fast, guide pin bushing, guide plate outside leaning against fast fixing is installed guide pillar in the centre position of die shoe minor face, and the taper locator is installed in the center of upper bolster and die shoe.
2. a kind of high accuracy two station cladding member molds as claimed in claim 1, it is characterized in that: described limit spring and screw association structure and safety spring and screw association structure are respectively limit spring and safety spring to be enclosed within the combining structure that forms on the screw.
3. the using method of a kind of high accuracy two station cladding member molds as claimed in claim 1, with the twice trimming process step: operation 1 and operation 2 are simultaneously stamping in described mould, it is characterized in that comprising the steps: that upper bolster is fixed on the press ram, die shoe is fixed on the press bench face, part behind the pull and stretch is placed on the counterdie Combined trimming cutter piece of operation 1 and operation 2, operation 1 positions by die shape face, because operation 2 is compared with operation 1, the deburring direction has been rotated the 45° angle degree, when being placed on the die shape face of operation 2 through the part after operation 1 deburring, can skid off die shape face, therefore in operation 1, go out fabrication hole by drift and punching concave die cover, for operation 2 is done the location, thereby operation 2 parts position by die shape face and fabrication hole; By leaning against fast and outer guide plate combining structure slightly leads and guide pillar, guide pin bushing and inner guide plate carry out essence and lead; Upper bolster is descending with press ram, after the descending certain distance, the holding pad of operation 1, holding pad is inserted and is contacted with part with the holding pad of operation 2, upper bolster continues descending, because limit spring and screw association structure, safety spring and screw association structure and spring retainer compression, spring produces spring force makes plate compacted, spring-compressed is after a certain amount of, patrix Combined trimming cutter piece contacts with the plate upper surface, upper bolster continues descending, 1 first patrix edge iron piece of operation in the operation 1 in the patrix Combined trimming cutter piece, 1 second patrix edge iron piece of operation, the 3rd patrix edge iron piece of operation 1, the 4th edge iron piece of operation 1 patrix and the 5th patrix edge iron piece of operation 1 cut away the deburring face around the plate, by the counterdie waste knife deburring face that downcuts is cut into five again, slide from discharge slope guide plate separately, operation 2 is carried out under the essence guiding at the taper locator, 2 first patrix edge iron pieces of operation in the patrix Combined trimming cutter piece, 2 second patrix edge iron pieces of operation and the 3rd patrix edge iron piece of operation 2 the deburring face of a side of plate is cut away and by the spacing and safe pressing plate of spacing pressing plate as protection, deburring face slides from the discharge slope guide plate, and upper bolster and die shoe are spacing by the square limited block; Upper bolster is up, and compressed spring recovers gradually, holding pad, the holding pad of operation 1 is inserted and the holding pad of operation 2 is got back to initial position, takes out the part in operation 1 and the operation 2.
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| CN201310223646.1A CN103302166B (en) | 2013-06-07 | 2013-06-07 | High-precision two-station covering part die |
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| CN201310223646.1A CN103302166B (en) | 2013-06-07 | 2013-06-07 | High-precision two-station covering part die |
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| CN103302166B CN103302166B (en) | 2015-06-10 |
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| CN103978091A (en) * | 2014-05-19 | 2014-08-13 | 安徽大昌科技股份有限公司 | Trimming deflashing die for subframe left rear mounting seat reinforcing plate |
| CN104014671A (en) * | 2014-06-10 | 2014-09-03 | 昆山宝锦激光拼焊有限公司 | Blanking die guiding mechanism |
| CN104438554A (en) * | 2014-10-30 | 2015-03-25 | 长城汽车股份有限公司 | Continuous punching die of thick plate |
| CN104959465A (en) * | 2015-07-16 | 2015-10-07 | 昆山达亚汽车零部件有限公司 | Automobile covering part trimming device |
| CN105215205A (en) * | 2015-10-26 | 2016-01-06 | 重庆至信实业有限公司 | The guiding-positioning structure of threshold internal plate connector trim process mould |
| CN105234274A (en) * | 2015-10-26 | 2016-01-13 | 重庆至信实业有限公司 | Trimming mold of threshold inner plate connecting pieces |
| CN105344833A (en) * | 2015-12-10 | 2016-02-24 | 重庆大帝重工机械有限公司 | Upper die structure with connecting blocks |
| CN105363935A (en) * | 2015-12-10 | 2016-03-02 | 重庆大帝重工机械有限公司 | Lower mold structure with convenience in mold storage |
| CN105436322A (en) * | 2015-12-10 | 2016-03-30 | 重庆大帝重工机械有限公司 | Vehicle top cover rear cross beam outer plate processing mold |
| CN105921591A (en) * | 2016-06-30 | 2016-09-07 | 东莞市豪顺精密科技有限公司 | Plate, plate trimming die and plate trimming process |
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| CN112058994A (en) * | 2020-08-31 | 2020-12-11 | 安徽江淮汽车集团股份有限公司 | Trimming method for automobile tail lamp installation seat plate and notch cutter block structure |
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| CN103978091A (en) * | 2014-05-19 | 2014-08-13 | 安徽大昌科技股份有限公司 | Trimming deflashing die for subframe left rear mounting seat reinforcing plate |
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| CN103978092A (en) * | 2014-05-28 | 2014-08-13 | 南通超达机械科技有限公司 | Secondary punching wheel cover forming punching mold |
| CN104014671A (en) * | 2014-06-10 | 2014-09-03 | 昆山宝锦激光拼焊有限公司 | Blanking die guiding mechanism |
| CN104438554A (en) * | 2014-10-30 | 2015-03-25 | 长城汽车股份有限公司 | Continuous punching die of thick plate |
| CN104959465A (en) * | 2015-07-16 | 2015-10-07 | 昆山达亚汽车零部件有限公司 | Automobile covering part trimming device |
| CN104959465B (en) * | 2015-07-16 | 2017-04-05 | 昆山达亚汽车零部件有限公司 | Automobile covering trimming device |
| CN105215205A (en) * | 2015-10-26 | 2016-01-06 | 重庆至信实业有限公司 | The guiding-positioning structure of threshold internal plate connector trim process mould |
| CN105234274A (en) * | 2015-10-26 | 2016-01-13 | 重庆至信实业有限公司 | Trimming mold of threshold inner plate connecting pieces |
| CN105363935A (en) * | 2015-12-10 | 2016-03-02 | 重庆大帝重工机械有限公司 | Lower mold structure with convenience in mold storage |
| CN105436322A (en) * | 2015-12-10 | 2016-03-30 | 重庆大帝重工机械有限公司 | Vehicle top cover rear cross beam outer plate processing mold |
| CN105344833A (en) * | 2015-12-10 | 2016-02-24 | 重庆大帝重工机械有限公司 | Upper die structure with connecting blocks |
| CN105921591A (en) * | 2016-06-30 | 2016-09-07 | 东莞市豪顺精密科技有限公司 | Plate, plate trimming die and plate trimming process |
| CN106925679A (en) * | 2017-03-31 | 2017-07-07 | 上汽通用五菱汽车股份有限公司 | Car panel die Wedge mechanism |
| CN107790560A (en) * | 2017-11-30 | 2018-03-13 | 重庆安亚模具制造有限公司 | A kind of eccentric swage |
| CN109047478A (en) * | 2018-08-03 | 2018-12-21 | 上饶市天河汽车零部件有限公司 | A kind of automotive C column segmentation deburring side punching multi-process composite die |
| CN109047478B (en) * | 2018-08-03 | 2024-01-30 | 上饶市天河汽车零部件有限公司 | Multi-procedure composite die for sectional trimming and side punching of automobile C column |
| CN109604452A (en) * | 2019-01-25 | 2019-04-12 | 重庆界威模具股份有限公司 | Inner panel stiffening plate component molding die on a kind of automobile B-column |
| CN110421137A (en) * | 2019-09-12 | 2019-11-08 | 顺景园精密铸造(深圳)有限公司 | The lateral incision punch die of die casting |
| CN110421137B (en) * | 2019-09-12 | 2021-08-06 | 顺景园精密铸造(深圳)有限公司 | Side cutting die for die casting |
| CN112404253A (en) * | 2020-07-07 | 2021-02-26 | 浙江金奥汽车装备有限公司 | Automobile door and window frame reinforcing plate flanging, trimming and punching die |
| CN112058994A (en) * | 2020-08-31 | 2020-12-11 | 安徽江淮汽车集团股份有限公司 | Trimming method for automobile tail lamp installation seat plate and notch cutter block structure |
| CN112058994B (en) * | 2020-08-31 | 2022-03-18 | 安徽江淮汽车集团股份有限公司 | Trimming method for automobile tail lamp installation seat plate and notch cutter block structure |
| CN117000863A (en) * | 2023-10-07 | 2023-11-07 | 常州达亚汽车零部件有限公司 | High-precision automobile panel trimming die and automatic stamping equipment applying same |
| CN117000863B (en) * | 2023-10-07 | 2023-12-08 | 常州达亚汽车零部件有限公司 | High-precision automobile panel trimming die and automatic stamping equipment applying same |
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