CN104043725A - Right mounting bracket blanking and punching composite die - Google Patents
Right mounting bracket blanking and punching composite die Download PDFInfo
- Publication number
- CN104043725A CN104043725A CN201410277964.0A CN201410277964A CN104043725A CN 104043725 A CN104043725 A CN 104043725A CN 201410277964 A CN201410277964 A CN 201410277964A CN 104043725 A CN104043725 A CN 104043725A
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Abstract
The invention provides a right mounting bracket blanking and punching composite die. The right mounting bracket blanking and punching composite die comprises an upper die assembly and a lower die assembly. The upper die assembly comprises an upper die base, a fixing pin, an upper die base plate, a square male die, rubber, a female die splicing block, a stripper plate, stripper screws, stripping rubber, guide sleeves and small round rubber. The upper die base is located on the uppermost portion of the die. The upper die base plate is located below the upper die base. The female die splicing block is located below the upper die base plate. The square male die is located in the upper die base. The fixing pin is located in the square male die. The lower die assembly comprises ejector plates, ejection rubber, a lower die base plate, a lower die base, cushion blocks, a base plate, a male die splicing block, locating pins, guide posts and small cylindrical springs. The base plate is located on the lowermost portion of the die. The cushion blocks are located above the base plate. The lower die base is located above the cushion blocks. The lower die base plate is located above the lower die base. The male die splicing block is located above the lower die base plate. The ejector plates are located beside the male die splicing block. According to the right mounting bracket blanking and punching composite die, a male die and a female die are made into splicing block inverted-mounting structures, so that the die is convenient to replace and maintain.
Description
Technical field
The present invention relates to a kind of diel of field of machining, particularly a kind of right installation bracket Blanking Punching Compound Die.
Background technology
Right installation bracket is the main accessory of front axle assy on automobile chassis, on installation bracket, be welded with conduit, conduit is used for installing rubber bushing, play buffering, therefore technical requirement is higher, at present, right installation bracket is to adopt welding composition, then holes, and be exactly first by good the two boards assembly welding processing, upper drilling machine is processed, this processing method efficiency is on the low side, and labour intensity is large, and processing dimension is easily overproof, the product processing also can not meet customer requirement, and production cost is too high.
Summary of the invention
The object of the invention is to overcome the above-mentioned deficiency of prior art and a kind of right installation bracket Blanking Punching Compound Die is provided, it can be enhanced productivity, cost-saving.
Technical scheme of the present invention is: a kind of right installation bracket Blanking Punching Compound Die, it comprises: upper mould assembly and lower mould assembly.
Described upper mould assembly comprises upper bolster, steady pin, upper die plate, square punch, rubber, I straight pin, cavity splits, stripper, unloading bolt, discharging rubber, soket head cap screw, guide pin bushing, little round rubber, upper bolster is positioned at the top of mould, upper die plate is positioned at the below of upper bolster, cavity splits is positioned at the below of upper die plate, by soket head cap screw and I straight pin by cavity splits, upper die plate, upper bolster links together, stripper, rubber, discharging rubber, little round rubber is arranged in the material-dropping hole of the centre of cavity splits, be connected with upper bolster with upper die plate by unloading bolt, side's punch is arranged in the square punch locating hole of upper bolster, side's upper plane of punch and the upper plane of upper bolster are concordant, the steady pin of the steady pin side of being arranged in punch is installed through hole, then be arranged in the steady pin installing hole of upper bolster, two guide pin bushings are positioned at a left side for upper bolster, right two sides, be arranged on the below of upper bolster by close-fitting mode.
Described upper bolster comprises patrix hole for hoist, upper die plate construction bolt hole, upper die plate locating hole, stripper installing hole, steady pin installing hole, side's punch locating hole, guide pin bushing installing hole, patrix hole for hoist is located on upper bolster surrounding side, stripper installing hole is located at the centre of upper bolster, upper die plate construction bolt hole be located at stripper installing hole before, after, upper die plate locating hole is located at the side of upper die plate installing hole, steady pin installing hole is located near of stripper installing hole, side's punch locating hole is located at the side of steady pin installing hole, guide pin bushing installing hole is located at the left side in the middle of upper bolster, right place.
Described upper die plate comprises die installation through hole, die locating hole, stripper installation through hole, square punch through hole, stripper installation through hole is located at the centre of upper die plate, the side that side's punch through hole is located at stripper installs through hole, die is installed through hole and is located at the forward and backward of stripper installation through hole, near that die locating hole is located at die installs through hole.
Described square punch comprises rectangular profile, steady pin installation through hole, the peripheral surrounding of the rectangular profile side of being located at punch, and steady pin is installed the top of the through hole side of being located at punch.
Described cavity splits comprises die installing hole, die locating hole, cavity splits material-dropping hole, cavity splits material-dropping hole is located at the centre of cavity splits, die installing hole is located at the forward and backward of cavity splits material-dropping hole, and die locating hole is located at the side in die construction bolt hole.
Described stripper comprises curved profile, stripper construction bolt hole, square punch installing hole, and curved profile is located at the peripheral surrounding of stripper, and stripper construction bolt hole is located at the central authorities of stripper, and square punch installing hole is located near in stripper construction bolt hole.
Described lower mould assembly comprises die pad, liftout rubber, hexagon socket head cap screw, counterdie backing plate, die shoe, screw, cushion block, base plate, II straight pin, punch piece, bolt, alignment pin, guide pillar, small column spring, base plate is positioned at the below of mould, cushion block is positioned at the top of base plate, die shoe is positioned at the top of cushion block, by screw by base plate, cushion block, die shoe links together, counterdie backing plate is positioned at the top of die shoe, punch piece is positioned at the top of counterdie backing plate, by bolt and II straight pin by die shoe, counterdie backing plate, punch piece is connected, die pad is positioned at the side of punch piece, liftout rubber is positioned at the below of die pad, by unloading bolt by die pad, counterdie backing plate, die shoe is connected, the upper plane of die pad is concordant with the upper plane of punch piece, four alignment pins are arranged in die pad, the microcephaly of alignment pin is downward, the major part of alignment pin is positioned at the below of die pad, the positioning end of alignment pin is through in the dowel hole of die pad, small column spring is positioned at the below of alignment pin, two guide pillars are positioned at a left side for die shoe, right two sides, be arranged on the top of die shoe by close-fitting mode.
Described die shoe comprises cushion block installing hole, jigger pin installing hole, punch piece construction bolt hole, punch piece locating hole, square hole, guide pillar installing hole, counterdie hole for hoist, cushion block installing hole is located at the front and rear direction of die shoe, jigger pin installing hole is located near of cushion block installing hole, punch piece construction bolt hole is located at the centre of die shoe, punch piece locating hole is located at the side of punch piece installing hole, square hole is located near of punch piece installing hole, guide pillar installing hole is located at the left and right direction of die shoe, and counterdie hole for hoist is located on die shoe surrounding side.
Described die pad comprises die pad construction bolt hole, dowel hole, punch piece installation through hole, die pad construction bolt hole is located at the periphery of die pad, punch piece installation through hole is located at the centre of die pad, near that dowel hole is located at punch piece installs through hole.
Described cushion block comprises cubic profile, cushion block construction bolt hole, and cubic profile is located at the periphery of cushion block, and cushion block construction bolt hole is located at the centre of cushion block.
Described alignment pin comprises positioning end, major part, microcephaly, and positioning end is located at the top of alignment pin, and major part is located at the below of positioning end, and microcephaly is located at the below of major part.
Can be according to the size design different size of product, difform punch piece and cavity splits, according to processing needs, can produce as long as change difformity and the punch piece of specification and corresponding die die the installation bracket that meets demand, thereby improve widely the versatility of mould, for each diel, can design punch piece and the cavity splits of many cover different models, as long as replace with corresponding punch piece and cavity splits in the time needing the bracket of punching press different model.
The present invention compared with prior art has following features:
1, the right installation bracket Blanking Punching Compound Die of one provided by the invention, has ensured the technical requirement of product quality guarantee that each dimensional uniformity is good, and product external surfaces to be attractive in appearance effectively.
2, the right installation bracket Blanking Punching Compound Die of one provided by the invention, punch and die part are made piece, can instantaneously changing and repair a die.
3, the right installation bracket Blanking Punching Compound Die of one provided by the invention, simple in structure, easy and simple to handle, labour intensity is low, and processing effect is good, highly versatile.
4, die and punch adopt inverted structure, and punch piece is feeding from cavity splits directly, can effectively ensure like this gap of punch and die, and easy disassembling, easy.
Below in conjunction with the drawings and specific embodiments, the detailed structure of invention is further described.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present invention;
The structural representation that accompanying drawing 2 is upper bolster;
The structural representation that accompanying drawing 3 is upper die plate;
The structural representation of accompanying drawing 4 side's of being punch;
Accompanying drawing 5 is the top view of accompanying drawing 4;
The structural representation that accompanying drawing 6 is cavity splits;
The structural representation that accompanying drawing 7 is stripper;
The structural representation that accompanying drawing 8 is die pad;
The structural representation that accompanying drawing 9 is die shoe;
The structural representation that accompanying drawing 10 is cushion block;
The structural representation that accompanying drawing 11 is alignment pin.
Detailed description of the invention
As shown in drawings: a kind of right installation bracket Blanking Punching Compound Die, it comprises: upper mould assembly and lower mould assembly.
Described upper mould assembly comprises upper bolster 1, steady pin 2, upper die plate 3, square punch 4, rubber 5, I straight pin 6, cavity splits 7, stripper 21, unloading bolt 22, discharging rubber 23, soket head cap screw 24, guide pin bushing 25, roundlet rubber 27, upper bolster 1 is positioned at the top of mould, upper die plate 3 is positioned at the below of upper bolster 1, cavity splits 7 is positioned at the below of upper die plate 3, by soket head cap screw 24 and I straight pin 6 by cavity splits 7, upper die plate 3, upper bolster 1 links together, stripper 21, rubber 5, discharging rubber 23, roundlet rubber 27 is arranged in the material-dropping hole of the centre of cavity splits 7, be connected with upper bolster 1 with upper die plate 3 by unloading bolt 22, side's punch 4 is arranged in the square punch locating hole of upper bolster 1, side's upper plane of punch 4 and the upper plane of upper bolster 1 are concordant, the steady pin of steady pin 2 side's of being arranged in punch 4 is installed through hole, then be arranged in the steady pin installing hole of upper bolster 1, two guide pin bushings 25 are positioned at a left side for upper bolster 1, right two sides, be arranged on the below of upper bolster by close-fitting mode.
Described upper bolster 1 comprises patrix hole for hoist 1-1, upper die plate construction bolt hole 1-2, upper die plate locating hole 1-3, stripper installing hole 1-4, steady pin installing hole 1-5, side punch locating hole 1-6, guide pin bushing installing hole 1-7, patrix hole for hoist 1-1 is located on upper bolster surrounding side, stripper installing hole 1-4 is located at the centre of upper bolster, upper die plate construction bolt hole 1-2 be located at stripper installing hole before, after, upper die plate locating hole 1-3 is located at the side of upper die plate installing hole, steady pin installing hole 1-5 is located near of stripper installing hole, side punch locating hole 1-6 is located at the side of steady pin installing hole, guide pin bushing installing hole 1-7 is located at the left side in the middle of upper bolster, right place.
Described upper die plate 3 comprises that die is installed through hole 3-1, die locating hole 3-2, stripper is installed through hole 3-3, square punch through hole 3-4, stripper installation through hole 3-3 is located at the centre of upper die plate, side punch through hole 3-4 is located at the side of stripper installation through hole, die is installed through hole 3-1 and is located at the forward and backward of stripper installation through hole, and die locating hole 3-2 is located near of die installation through hole.
Described square punch 4 comprises rectangular profile 4-1, steady pin installation through hole 4-2, the peripheral surrounding of the rectangular profile 4-1 side of being located at punch, and steady pin is installed the top of the through hole 4-2 side of being located at punch.
Described cavity splits 7 comprises die installing hole 7-1, die locating hole 7-2, cavity splits material-dropping hole 7-3, cavity splits material-dropping hole 7-3 is located at the centre of cavity splits, die installing hole 7-1 is located at the forward and backward of cavity splits material-dropping hole, and die locating hole 7-2 is located at the side in die construction bolt hole.
Described stripper 21 comprises curved profile 21-1, stripper construction bolt hole 21-2, square punch installing hole 21-3, curved profile 21-1 is located at the peripheral surrounding of stripper, stripper construction bolt hole 21-2 is located at the central authorities of stripper, and square punch installing hole 21-3 is located near in stripper construction bolt hole.
Described lower mould assembly comprises die pad 8, liftout rubber 9, hexagon socket head cap screw 10, counterdie backing plate 11, die shoe 12, screw 13, cushion block 14, base plate 15, II straight pin 16, punch piece 17, bolt 18, alignment pin 19, guide pillar 20, small column spring 26, base plate 15 is positioned at the below of mould, cushion block 14 is positioned at the top of base plate, die shoe 12 is positioned at the top of cushion block 14, by screw by base plate 15, cushion block 14, die shoe 12 links together, counterdie backing plate 11 is positioned at the top of die shoe 12, punch piece 17 is positioned at the top of counterdie backing plate 11, by bolt 18 and II straight pin 16 by die shoe 12, counterdie backing plate 11, punch piece 17 is connected, die pad 8 is positioned at the side of punch piece 17, liftout rubber 9 is positioned at the below of die pad 8, by unloading bolt 22 by die pad 8, counterdie backing plate 11, die shoe 12 is connected, the upper plane of die pad 8 is concordant with the upper plane of punch piece 17, four alignment pins 19 are arranged in die pad, the microcephaly 19-3 of alignment pin is downward, the major part 19-2 of alignment pin is positioned at the below of die pad 8, the positioning end 19-1 of alignment pin is through in the dowel hole of die pad 8, small column spring 26 is positioned at the below of alignment pin 19, two guide pillars 20 are positioned at a left side for die shoe, right two sides, be arranged on the top of die shoe by close-fitting mode.
Described die shoe 12 comprises cushion block installing hole 12-1, jigger pin installing hole 12-2, punch piece construction bolt hole 12-3, punch piece locating hole 12-4, square hole 12-5, guide pillar installing hole 12-6, counterdie hole for hoist 12-7, cushion block installing hole 12-1 be located at die shoe before, rear to, jigger pin installing hole 12-2 is located near of cushion block installing hole, punch piece construction bolt hole 12-3 is located at the centre of die shoe, punch piece locating hole 12-4 is located at the side of punch piece installing hole, square hole 12-5 is located near of punch piece installing hole, guide pillar installing hole 12-6 is located at a left side for die shoe, right, counterdie hole for hoist 12-7 is located on die shoe surrounding side.
Described die pad 8 comprises die pad construction bolt hole 8-1, dowel hole 8-2, punch piece installation through hole 8-3, die pad construction bolt hole 8-1 is located at the periphery of die pad, punch piece installation through hole 8-3 is located at the centre of die pad, and dowel hole 8-2 is located near of punch piece installation through hole.
Described cushion block 14 comprises cubic profile 14-1, cushion block construction bolt hole 14-2, and cubic profile 14-1 is located at the periphery of cushion block, and cushion block construction bolt hole 14-2 is located at the centre of cushion block.
Described alignment pin 19 comprises positioning end 19-1, major part 19-2, microcephaly 19-3, and positioning end 19-1 is located at the top of alignment pin, and major part 19-2 is located at the below of positioning end, and microcephaly 19-3 is located at the below of major part.
Can be according to the size design different size of product, difform punch piece 17 and cavity splits 7, according to processing needs, can produce as long as change difformity and the punch piece 17 of specification and corresponding die die 7 installation bracket that meets demand, thereby improve widely the versatility of mould, for each diel, can design punch piece 17 and the cavity splits 7 of many cover different models, as long as replace with corresponding punch piece 17 and cavity splits 7 in the time needing the bracket of punching press different model.
Operation principle of the present invention and using method are: a left side for upper bolster 1, right position is furnished with a left side for guide pin bushing 25 and die shoe 12, right position is furnished with guide pillar 20, adopt and coordinate processing, guide pin bushing 25 endoporus and guide pillar 20 cylindricals adopt matched in clearance, be convenient to, die shoe is to center, die part in upper bolster and the punch part of die shoe are made piece, adopt line cutting processing mode, punch piece is feeding in cavity splits directly, and ensure that size is accurate, reliably, also be convenient to change and repair, in upper bolster 1, is furnished with stripper 21, discharging rubber 22, in unloading bolt 23 and die shoe 12, is furnished with die pad 8, liftout rubber 9, unloading bolt 22, alignment pin 19 and small column spring 26, be used for product to position, put, discharging, the use of feeding, die shoe 12 belows are furnished with cushion block 14, it is the closed height for increasing mould.
When work, product is put on die pad 8, position by alignment pin 19, start the machine, in the time that upper mould assembly contacts with lower mould assembly, cavity splits 7 engages with punch piece 17, product is cut off, and loading and unloading material plate 21 acts on to be up to finished product from patrix, and bottom knockout plate 8 ejects waste material, take out workpiece, work completes.
Claims (10)
1. a right installation bracket Blanking Punching Compound Die, is characterized in that: it comprises: upper mould assembly and lower mould assembly, described upper mould assembly comprises upper bolster, steady pin, upper die plate, square punch, rubber, cavity splits, stripper, unloading bolt, discharging rubber, guide pin bushing, little round rubber, upper bolster is positioned at the top of mould, upper die plate is positioned at the below of upper bolster, cavity splits is positioned at the below of upper die plate, by soket head cap screw and I straight pin by cavity splits, upper die plate, upper bolster links together, stripper, rubber, discharging rubber, little round rubber is arranged in the material-dropping hole of the centre of cavity splits, be connected with upper bolster with upper die plate by unloading bolt, side's punch is arranged in the square punch locating hole of upper bolster, side's upper plane of punch and the upper plane of upper bolster are concordant, the steady pin of the steady pin side of being arranged in punch is installed through hole, then be arranged in the steady pin installing hole of upper bolster, two guide pin bushings are positioned at a left side for upper bolster, right two sides, be arranged on the below of upper bolster by close-fitting mode.
2. the right installation bracket Blanking Punching Compound Die of one according to claim 1, it is characterized in that: described upper bolster comprises patrix hole for hoist, upper die plate construction bolt hole, upper die plate locating hole, stripper installing hole, steady pin installing hole, side's punch locating hole, guide pin bushing installing hole, patrix hole for hoist is located on upper bolster surrounding side, stripper installing hole is located at the centre of upper bolster, upper die plate construction bolt hole be located at stripper installing hole before, after, upper die plate locating hole is located at the side of upper die plate installing hole, steady pin installing hole is located near of stripper installing hole, side's punch locating hole is located at the side of steady pin installing hole, guide pin bushing installing hole is located at the left side in the middle of upper bolster, right place.
3. the right installation bracket Blanking Punching Compound Die of one according to claim 1, it is characterized in that: described upper die plate comprises die installation through hole, die locating hole, stripper installation through hole, square punch through hole, stripper installation through hole is located at the centre of upper die plate, the side that side's punch through hole is located at stripper installs through hole, die is installed through hole and is located at the forward and backward of stripper installation through hole, near that die locating hole is located at die installs through hole.
4. the right installation bracket Blanking Punching Compound Die of one according to claim 1, it is characterized in that: described square punch comprises rectangular profile, steady pin installation through hole, the peripheral surrounding of the rectangular profile side of being located at punch, steady pin is installed the top of the through hole side of being located at punch.
5. the right installation bracket Blanking Punching Compound Die of one according to claim 1, it is characterized in that: described cavity splits comprises die installing hole, die locating hole, cavity splits material-dropping hole, cavity splits material-dropping hole is located at the centre of cavity splits, die installing hole is located at the forward and backward of cavity splits material-dropping hole, and die locating hole is located at the side in die construction bolt hole.
6. the right installation bracket Blanking Punching Compound Die of one according to claim 1, it is characterized in that: described stripper comprises curved profile, stripper construction bolt hole, square punch installing hole, curved profile is located at the peripheral surrounding of stripper, stripper construction bolt hole is located at the central authorities of stripper, and square punch installing hole is located near in stripper construction bolt hole.
7. the right installation bracket Blanking Punching Compound Die of one according to claim 1, is characterized in that: described lower mould assembly comprises die pad, liftout rubber, counterdie backing plate, die shoe, cushion block, base plate, punch piece, alignment pin, guide pillar, small column spring, base plate is positioned at the below of mould, cushion block is positioned at the top of base plate, die shoe is positioned at the top of cushion block, by screw by base plate, cushion block, die shoe links together, counterdie backing plate is positioned at the top of die shoe, punch piece is positioned at the top of counterdie backing plate, by bolt and II straight pin by die shoe, counterdie backing plate, punch piece is connected, die pad is positioned at the side of punch piece, liftout rubber is positioned at the below of die pad, by unloading bolt by die pad, counterdie backing plate, die shoe is connected, the upper plane of die pad is concordant with the upper plane of punch piece, four alignment pins are arranged in die pad, the microcephaly of alignment pin is downward, the major part of alignment pin is positioned at the below of die pad, the positioning end of alignment pin is through in the dowel hole of die pad, small column spring is positioned at the below of alignment pin, two guide pillars are positioned at a left side for die shoe, right two sides, be arranged on the top of die shoe by close-fitting mode.
8. according to the right installation bracket Blanking Punching Compound Die of one described in claim 1 and 7, it is characterized in that: described die shoe comprises cushion block installing hole, jigger pin installing hole, punch piece construction bolt hole, punch piece locating hole, square hole, guide pillar installing hole, counterdie hole for hoist, cushion block installing hole be located at die shoe before, rear to, jigger pin installing hole is located near of cushion block installing hole, punch piece construction bolt hole is located at the centre of die shoe, punch piece locating hole is located at the side of punch piece installing hole, square hole is located near of punch piece installing hole, guide pillar installing hole is located at a left side for die shoe, right, counterdie hole for hoist is located on die shoe surrounding side.
9. according to the right installation bracket Blanking Punching Compound Die of one described in claim 1 and 7, it is characterized in that: described die pad comprises die pad construction bolt hole, dowel hole, punch piece installation through hole, die pad construction bolt hole is located at the periphery of die pad, punch piece installation through hole is located at the centre of die pad, near that dowel hole is located at punch piece installs through hole.
10. according to the right installation bracket Blanking Punching Compound Die of one described in claim 1 and 7, it is characterized in that: described cushion block comprises cubic profile, cushion block construction bolt hole, and cubic profile is located at the periphery of cushion block, and cushion block construction bolt hole is located at the centre of cushion block; Described alignment pin comprises positioning end, major part, microcephaly, and positioning end is located at the top of alignment pin, and major part is located at the below of positioning end, and microcephaly is located at the below of major part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410277964.0A CN104043725A (en) | 2014-06-20 | 2014-06-20 | Right mounting bracket blanking and punching composite die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410277964.0A CN104043725A (en) | 2014-06-20 | 2014-06-20 | Right mounting bracket blanking and punching composite die |
Publications (1)
| Publication Number | Publication Date |
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| CN104043725A true CN104043725A (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410277964.0A Pending CN104043725A (en) | 2014-06-20 | 2014-06-20 | Right mounting bracket blanking and punching composite die |
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| CN (1) | CN104043725A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492965A (en) * | 2014-12-23 | 2015-04-08 | 无锡微研有限公司 | Composite die structure with chamfering hole |
| CN104525733A (en) * | 2014-12-19 | 2015-04-22 | 太仓安路驰汽车部件有限公司 | Universal punching die frame for silencing piece |
| CN104575242A (en) * | 2015-02-01 | 2015-04-29 | 黄冈职业技术学院 | Stamping die structure interconversion teaching aid |
| CN104801616A (en) * | 2015-05-29 | 2015-07-29 | 东莞豪顺家具有限公司 | Movable step type located mold |
| CN112517703A (en) * | 2020-11-13 | 2021-03-19 | 浙江久泰集成房屋科技有限公司 | Thin-wall metal plate grooving die |
| CN114101461A (en) * | 2021-10-21 | 2022-03-01 | 环球传动泰州有限公司 | Novel fixed-length blanking and punching die and operation method |
-
2014
- 2014-06-20 CN CN201410277964.0A patent/CN104043725A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104525733A (en) * | 2014-12-19 | 2015-04-22 | 太仓安路驰汽车部件有限公司 | Universal punching die frame for silencing piece |
| CN104492965A (en) * | 2014-12-23 | 2015-04-08 | 无锡微研有限公司 | Composite die structure with chamfering hole |
| CN104575242A (en) * | 2015-02-01 | 2015-04-29 | 黄冈职业技术学院 | Stamping die structure interconversion teaching aid |
| CN104801616A (en) * | 2015-05-29 | 2015-07-29 | 东莞豪顺家具有限公司 | Movable step type located mold |
| CN112517703A (en) * | 2020-11-13 | 2021-03-19 | 浙江久泰集成房屋科技有限公司 | Thin-wall metal plate grooving die |
| CN114101461A (en) * | 2021-10-21 | 2022-03-01 | 环球传动泰州有限公司 | Novel fixed-length blanking and punching die and operation method |
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Application publication date: 20140917 |
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| WD01 | Invention patent application deemed withdrawn after publication |