CN103962451A - Automobile top cover die - Google Patents
Automobile top cover die Download PDFInfo
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- CN103962451A CN103962451A CN201410076701.3A CN201410076701A CN103962451A CN 103962451 A CN103962451 A CN 103962451A CN 201410076701 A CN201410076701 A CN 201410076701A CN 103962451 A CN103962451 A CN 103962451A
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- drive rod
- skylight
- drive
- top cover
- jacking projection
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Abstract
The invention relates to equipment for automobile production, in particular to an automobile top cover die which comprises an upper die seat and a skylight puncher. A movable pushing plate and a switching cylinder driving the movable pushing plate to move in the horizontal direction are further arranged on the upper die seat, the skylight puncher is connected under the upper die seat in a lifting mode, the movable pushing plate is located between the upper die seat and the skylight puncher, a first jacking convex block is arranged on the lower surface of the movable pushing plate, and a second jacking convex block matched with the first jacking convex block is arranged on the upper end face of the skylight puncher. The automobile top cover die can meet production requirements of top covers with skylights and top covers without skylights, and solves the problem that two sets of dies are needed for top covers with skylights and top covers without skylights of the same automobile type.
Description
Technical field
The present invention relates to automobile production equipment, relate in particular to a kind of automobile top cover die.
Background technology
Automobile is the vehicles conventional in daily life.Car body (hereinafter referred to as car body) is provided with automobile top-cap.The mode of production of automobile top-cap has two kinds: a kind of for by die casting moulding, Chinese Patent Application No. 2012104846763, within open day, be February 13 in 2013 day, in being called the patent document of " a kind of production technology of fibre reinforced composites automobile top-cap ", a kind of mode of making automobile top-cap by pouring technology is disclosed; Another kind of for to stamp out automobile top-cap by diel, Chinese Patent Application No. 2011104538946, open day be July 3 in 2013 day, in being called the patent document of " a kind of automobile top-cap parts drawing die ", a kind of mould and method of producing automobile top-cap by impact style disclosed.
During existing device top cover, having skylight top cover and needing two molds to meet without skylight top cover of a kind of vehicle produced.Make the cost that two molds need to cost a lot of money, and the exchange between mould need increase a lot of mould replacing times, increase worker at the production line's fatigue strength in actual production, production efficiency can not get improving.
Summary of the invention
The invention provides a kind of can meet simultaneously have skylight top cover and without the automobile top cover die of the need of production of skylight top cover, what solved existing same vehicle has skylight top cover and need two molds produce caused deficiency without skylight top cover.
Above technical problem solves by following technical proposal: a kind of automobile top cover die, comprise upper bolster and skylight piercer, the switching cylinder that described upper bolster is also provided with movable push and drives movable push along continuous straight runs to move, described skylight piercer is liftably with the below that is connected to described upper bolster, described movable push is between described upper bolster and skylight piercer, the lower surface of described movable push is provided with the first jacking projection, and the upper surface of described skylight piercer is provided with the second jacking projection coordinating with described the first jacking projection.When having skylight top cover to carry out punching press, first make to switch cylinder in elongation state, switch air cylinder driven movable push and move to the first jacking projection with the second jacking projection alignment, then carry out punching press, during punching press, skylight piercer rises to and after the first jacking projection is connected to together with the second jacking projection alignment, can not move and can on material, stamp out skylight; When windowless top cover is carried out to punching press, first make to switch cylinder in contraction state, switching air cylinder driven movable mop moves to the first jacking projection and staggers with the second jacking projection, then punching press effect is carried out in import, the distance that during punching press, skylight piercer rises is larger, thereby makes skylight piercer can not on material, stamp out skylight.To switch that cylinder stretches out or contraction and mobile movable push is all fine with the second jacking projection alignment to the first jacking projection.
As preferably, described skylight piercer comprises the two half-unit of splicing along the vertical direction together and can along continuous straight runs relatively moving, between described two half-unit, be provided with some support bars, between adjacent support bar, form support bar holding tank, described top cover mold also comprises switching cylinder gauge tap, push described gauge tap and make the push rod of described extruding switch motion, the second drive rod that drives the support bar in described two half-unit to one half portion the first drive rod aliging with the support bar in another half portion and the support bar driving in described two half-unit to one half portion to align with the support bar holding tank in another half portion, one and half portions in described two half-unit are provided with the first guide pad coordinating with described the first drive rod and the second guide pad coordinating with the second drive rod, between described movable push and described push rod, be provided with the contiguous block that described movable push and described push rod are linked together, described push rod is provided with the first drive rod drive division, the first drive rod is dodged portion, the second drive rod drive division and the second drive rod are dodged portion, when described push rod moves to the first jacking projection in movable push described in driving described switching cylinder gauge tap to go to control described switching cylinder Execution driven, with the second jacking projection, stagger the position of action and the first jacking projection during with the second jacking projection alignment, described the second drive rod drive division is dodged portion with described the first drive rod alignment with described the second drive rod alignment, described the first drive rod, when described push rod moves to the first jacking projection in movable push described in driving described switching cylinder gauge tap to go to control described switching cylinder Execution driven, with the second jacking projection, stagger the position of action and the first jacking projection while staggering with the second jacking projection, described the second drive rod drive division staggers with described the second drive rod, when described push rod moves to the first jacking projection with the position of the second jacking projection alignment action and the first jacking projection during with the second jacking projection alignment in movable push described in driving described switching cylinder gauge tap to go to control described switching cylinder Execution driven, described the first drive rod drive division is dodged portion with described the second drive rod alignment with described the first drive rod alignment, described the second drive rod." the first drive rod drive division " is to be connected to together and to make the first drive rod drive the first guide pad and two half-unit is moved to the position of support bar in half portion alignment with the first drive rod; " the first drive rod is dodged portion " refers to can not hinder the position that the first drive rod rises when the first guide pad drives the first drive rod to rise; " the second drive rod drive division " refers to and can be connected to together and make the second drive rod drive the second guide pad and two half-unit is moved to support bar in one and half portions with the position of the support bar holding tank alignment in second half portion with the second drive rod; " the second drive rod is dodged portion " refers to can not hinder the position that the second drive rod rises when the second guide pad drives the second drive rod to rise.
With time by push rod, go to control change-over switch and control and switch cylinder action, movable push is switched between the second jacking projection staggered positions (to carrying out active position without skylight top cover) together with the second jacking projection aligned position (to there being skylight top cover to carry out active position) and the first jacking projection at the first jacking projection.
To carrying out in punching course without skylight top cover, if push rod has carried out switching action and movable push is also switched put in place (the first jacking projection staggers with the second jacking projection), now two drive rods (the first drive rod and the second drive rod) are all to stagger with corresponding drive division, and skylight piercer can not stamp out skylight on top cover, if push rod has carried out switching action, movable push is not switched put in place (the first jacking projection still aligns with the second jacking projection) for various reasons, now the second drive rod drive division aligns with the second drive rod, the first drive rod portion of dodging is with the first drive rod alignment, in the process that skylight piercer moves down, the second drive rod coordinates the second drive rod drive division and the second guide pad and two half-unit is staggered, play and prevent that skylight piercer is because the misoperation of going out skylight on without skylight top cover that equipment fault causes produces, can dodge the electric fault due to cylinder cylinder control loop, switch the mechanical breakdown of cylinder and the operation troubles of movable push and being switched to of causing switch when carrying out punching press state without skylight top cover not in place and cause in the problem without the punching of skylight top cover mistake, reliability while having improved work.
To there being skylight top cover to carry out in punching course, if push rod has carried out switching action and movable push is also switched put in place (the first jacking projection is with the second jacking projection alignment), now the first drive rod drive division with the first drive rod be alignment, same the second drive rod of the second drive rod portion of dodging aligns.If the support bar in two half-unit is connected to together, skylight piercer plate can stamp out skylight on top cover; If the support bar in two half-unit is that in the process staggering, skylight piercer moves down, the first drive rod coordinates the first drive rod drive division and the first guide pad and makes two half-unit alignment, the skylight effect that device resets of staggering during driving, makes do not producing to can not producing skylight top cover automatically reseting when having skylight top cover to carry out punching carried out protection action without skylight top cover after the phenomenon that there is no skylight.The mechanical type of having realized skylight piercer automatically resets, good reliability during reset.
As preferably, the distribution arrangement of described support bar is vertical with the flexible direction of described switching cylinder.The two half-unit that causes forming skylight piercer in the process that can avoid movable push to switch produces the phenomenon that by mistake staggers, the better reliability when having skylight top cover to carry out punching press.
As preferably, described two half-unit, half portion that is only positioned at top can move along the distribution arrangement of described support bar, and described the first guide pad and the second guide pad are all arranged at half portion that is positioned at top in two half-unit.The positional accuracy of the skylight hole stamping out is good.
As preferably, described the first drive rod and the second drive rod all liftably hang on described upper bolster.Convenient during Locating driver bar.
As preferably, described push rod is provided with the drive block coordinating with described switching cylinder gauge tap and the limited block coordinating with described upper bolster, when described drive block drives described switching cylinder gauge tap, described switching cylinder gauge tap control described switching cylinder go to drive movable push to the first jacking projection with the second jacking projection alignment, when described limited block is connected to together with described upper bolster, described change-over switch controls described switching cylinder and go to drive movable push to stagger with the second jacking projection to the first jacking projection.Whether move put, and convenient when the location division on design push rod and drive division if can judge easily that push rod drives in the process of change-over switch.
The present invention also comprises the holding pad that is positioned at described upper bolster downside, and described skylight piercer is provided with the first air spring vertically extending, and described the first air spring links together with described holding pad.It is convenient and reliable when skylight piercer is resetted.
As preferably, described holding pad is lower than described skylight piercer.Can preferred surface produce the impression that has skylight piercer and cause on without skylight top cover.
As preferably, described upper bolster is also provided with the second air spring vertically extending, and described holding pad liftably links together with described upper bolster by described the second air spring.Holding pad traveling comfort is good, and in punching course, workpiece can not produce jitter phenomenon, high from the accuracy of the top cover that goes out.
The present invention has following advantage: can realize a mould double-purpose to having skylight top cover and producing without skylight top cover, reduce the waste of mould replacing time, improve raw tea efficiency, reduce mould development expense, and cost-saving, reduce worker's fatigue strength.
Accompanying drawing explanation
Fig. 1 is the split view of the embodiment of the present invention one.
Fig. 2 be the embodiment of the present invention one be applicable to skylight top cover time cross-sectional schematic.
Fig. 3 be the embodiment of the present invention one be applicable to without skylight top cover time cross-sectional schematic.
Fig. 4 embodiment of the present invention two be applicable to skylight top cover time cross-sectional schematic.
Fig. 5 is A-A schematic cross-section of Fig. 4.
The movable push that produced producing without skylight top cover of Fig. 6 inventive embodiments two is moved cross-sectional schematic when not in place.
In figure: upper bolster 1, the second air spring 11, positioning convex 12, movable push 2, switch cylinder 21, the first jacking projection 22, via hole 23, contiguous block 24, skylight piercer 3, Hanging bolt 31, flange connector 32, the first air spring 33, the second jacking projection 34, connecting hole 35, epimere 351, hypomere 352, the first half 36, support bar 361, lower support bar holding tank 362, the first guide pad 363, the second guide pad 364, Lower Half 37, lower support bar 371, support bar holding tank 372, holding pad 4, piercer manhole appendix 41, push rod 5, the first drive rod drive division 51, the first drive rod is dodged portion 52, the second drive rod drive division 53, the second drive rod is dodged portion 54, drive block 55, limited block 56, switch cylinder gauge tap 6, the first drive rod 7, the second drive rod 8.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
Embodiment mono-, and referring to Fig. 1, a kind of automobile top cover die, comprises upper bolster 1, movable push 2, skylight piercer 3, Hanging bolt 31 and holding pad 4.
Upper bolster 1 is provided with the second air spring 11 vertically extending.The second air spring 11 has three.Upper bolster 1 is also provided with positioning convex 12.
The plane along continuous straight runs at movable push 2 places extends.The left end of movable push 2 is connected with and switches cylinder 21.Switching cylinder 21 extends along left and right directions.The lower surface of movable push 2 is provided with the first jacking projection 22.The first jacking projection 22 has three rows and distributes along left and right directions.Each ranked first five the first jacking projections in jacking projection 22.The first jacking projection 22 is provided with the bar shaped via hole 23 extending along left and right directions.
The upper end of skylight piercer 3 is provided with flange connector 32.On the lower surface of flange connector 32, be connected with the first air spring 33 vertically extending.The first air spring 33 has 6.The upper surface of skylight piercer 3 is provided with the second jacking projection 34.Skylight piercer 3 is provided with the connecting hole 35 that connects upper and lower end face.
Holding pad 4 is provided with piercer manhole appendix 41.
Referring to Fig. 2, the method that the present invention is fitted together is: by switching cylinder 21, be fixed on the downside of upper bolster, make Hanging bolt 31 successively through after connecting hole 35 and via hole 23, skylight piercer 3 being liftably suspended on to the below of upper bolster 1, make piercer manhole appendix 41 on holding pad 4 with skylight piercer 3, the lower end of the lower end of the first air spring 33 and the second air spring 11 is linked together with binder and realize holding pad is liftably hung on to upper bolster 1.Holding pad 4 is lower than skylight piercer 3.
When having skylight top cover to carry out punching press, first by control circuit, make to switch cylinder 21 in elongation state, now the first jacking projection 22 aligns along the vertical direction with the second jacking projection 34.Then make upper bolster 1 and counterdie draw close along the vertical direction, first holding pad 4 touches workpiece and rises, holding pad 4 drives skylight piercer 3 to rise together while rising, and when rising to the first jacking projection 22 and being connected to together with the second jacking projection 34, skylight piercer stops rising, die holder is further drawn close and makes skylight piercer 3 stretch out holding pad 4 and on workpiece, go out skylight through piercer manhole appendix 41 up and down.
Referring to Fig. 3, when carrying out punching press without skylight top cover, first by control circuit, make to switch cylinder 21 in contraction state, switch cylinder 21 drive movable push 2 to first jacking projections 22 with the second jacking projection 34 along left and right directions stagger, the left end of movable push 2 is connected to together with positioning convex 12.Then make upper bolster 1 and counterdie draw close along the vertical direction, first holding pad 4 touches workpiece and rises, holding pad 4 drives skylight piercer 3 to rise together while rising, so thereby can not stretch out piercer manhole appendix 41 can not go out skylight on workpiece because the first jacking projection 22 together the second jacking projection 34 can not be connected to together skylight piercer.
Embodiment bis-, with the difference of embodiment mono-, are:
Referring to Fig. 4, on upper bolster 1, be also equipped with push rod 5.Push rod 5 can be along front and back (perpendicular to paper direction) and left and right directions move.Between movable push 2 and push rod 5, be provided with contiguous block 24.Contiguous block 24 links together movable push 2 and push rod 5.
Skylight piercer 3 comprises the first half 36 and Lower Half 37.Together with the first half 36 splices along the vertical direction with Lower Half 37.
Referring to Fig. 5, the first jacking projection 22 and the second jacking projection 34 are all strip structure.The first jacking projection 22 is parallel with the second jacking projection 34.The bearing of trend of the first jacking projection 22 is perpendicular to the flexible direction of switching cylinder.
Connecting hole 35 refers to that by epimere 351(epimere connecting hole 35 is arranged in the part of the first half) and hypomere 352(hypomere refer to that connecting hole 35 is arranged in the part of Lower Half) form.Epimere 351 is strip hole.Hypomere 352 is the circular port of same Hanging bolt 31 size couplings.This frame mode can move along left and right directions in figure the only first half 36.
The lower surface of the first half 36 is provided with some support bars 361.Support bar 361 along the bearing of trend of epimere 351 in figure left and right directions distribute.The bearing of trend of support bar 361 is with the flexible direction identical (all perpendicular to paper direction in figure) of switching cylinder.Between support bar 361, form lower support bar holding tank 362.The two ends of the first half 36 are respectively equipped with the first guide pad 363 and the second guide pad 364.The upper surface of Lower Half 37 is provided with some lower support bars 371.The bearing of trend of lower support bar 371 is identical with the flexible direction of switching cylinder.Between lower support bar 371, form support bar holding tank 372.
The side of upper bolster 1 is also provided with switches cylinder gauge tap 6.Switching cylinder gauge tap 6 is push switch, rocker switch is also passable certainly.Upper bolster 1 is hung with the first drive rod 7 and the second drive rod 8.The lower end of the first drive rod 7 is stretched out upper bolster 1 and is positioned at the top of the first guide pad 363.The lower end of the second drive rod 8 is stretched out upper bolster 1 and is positioned at the top of the second guide pad 364.
Push rod 5 is provided with the first drive rod drive division 51, the first drive rod and dodges the limited block 56 that portion 52, the second drive rod drive division 53, the second drive rod dodge portion 54, drive block 55 and coordinate with upper bolster.
The present invention is to there being the handoff procedure of skylight top cover when carrying out punching press without top cover skylight to be: along the B in Fig. 5 to push rod 5 to drive block 55 with switch cylinder gauge tap 6 be connected to together with (inductive switch does not need to be connected to together if certainly, only need to close to sensing), switching cylinder gauge tap 6 send signal to control circuit.Now the first drive rod drive division 51 with the first drive rod 7 align along the vertical direction, the second drive rod dodge portion 54 together the second drive rod 8 align along the vertical direction.
Referring to Fig. 4, control circuit goes to control and makes to switch cylinder 21 and stretch out, and switching cylinder 21 stretches out and drive movable push 2 to first jacking projections 22 with the second jacking projection 24 alignment, and movable push 2 promotes push rod 5 simultaneously and moves to right together.
Referring to Fig. 5, if support bar 361 is with support bar storage tank 372 align along the vertical direction (being also that support bar 361 and lower support bar 371 are that left and right directions along Fig. 5 staggers) in punching course, at skylight jack device 3, be squeezed and in the process that rises, before the first jacking projection 22 is with the second jacking projection 24 contacts, the first guide pad 363 is together with the first drive rod 7 contacts, and because the first drive rod drive division 51 has limited the rising of the first drive rod 7, make the first half 36 be shifted to the right to support bar 361 and 371 alignment of lower support bar, thereby the extension elongation of skylight jack device 3 is met the requirements, do not return generation and can not on parts, go out the phenomenon in skylight.
When switching to when carrying out punching press without skylight top cover:
Referring to Fig. 6, along the C in figure, to pulling-pushing rod 5, to limited block 56, with upper bolster 1, be connected to together.Drive block 55 unclamps with the effect of pressing of switching cylinder gauge tap 6, switches cylinder gauge tap 6 and sends signal to control circuit.Now the first drive rod dodge portion 52 with the first drive rod 7 align along the vertical direction, the second drive rod drive division 53 together the second drive rod 8 align along the vertical direction.
Referring to Fig. 4, control circuit goes to control and makes to switch cylinder 21 contractions, and switching cylinder 21 shrinks and drive movable push 2 to first jacking projections 22 to stagger along left and right directions with the second jacking projection 24, and movable push 2 promotes push rod 5 simultaneously and moves to left together.Now due to the moving to left of push rod 5,
Referring to Fig. 6, make the first drive rod 7 and the second drive rod 8 can both increase (the second drive rod drive division 53 is to stagger along 2 directions in paper with the second drive rod 8), so the first half 36 and Lower Half 37 can not stagger, can not stamp out skylight yet.
Although if go to have drawn push rod 5 and push rod to be also pulled to position (being that limited block 56 is connected to together with upper bolster 1), owing to switching the failure cause of cylinder gauge tap 6, control circuit, switching switching 21 or movable push 2 etc. parts, cause
Referring to Fig. 4, the first jacking projection 22 still aligns with the second jacking projection 24.Now movable push 2 can not drive push rod 5 to move left to put in place (while producing this phenomenon in embodiment mono-, can in without skylight top cover, go out skylight, cause poor reliability) yet.
Referring to Fig. 6, owing to being squeezed in the process rising at skylight jack device 3, the first jacking projection 22 with before the second jacking projection 24, the second guide pad 364 is together with the second drive rod 8 contacts, and because the second drive rod drive division 53 has limited the rising of the second drive rod 8, make the second drive rod 8 drive the first half 36 to move left to support bar 361 and 372 alignment of support bar storage tank, thereby the length that makes skylight jack device 3 shortens, be also that extension elongation shortens, thereby can on parts, not go out skylight yet.
Claims (9)
1. an automobile top cover die, comprise upper bolster (1) and skylight piercer (3), it is characterized in that, the switching cylinder (21) that described upper bolster (1) is also provided with movable push (2) and drives movable push along continuous straight runs to move, described skylight piercer (3) is liftably with the below that is connected to described upper bolster (1), described movable push (2) is positioned between described upper bolster (1) and skylight piercer (3), the lower surface of described movable push (2) is provided with the first jacking projection (22), the upper surface of described skylight piercer (3) is provided with the second jacking projection (34) coordinating with described the first jacking projection.
2. top cover mold according to claim 1, it is characterized in that, described skylight piercer (3) comprises the two half-unit (36 of splicing along the vertical direction together and can along continuous straight runs relatively moving, 37), between described two half-unit, be provided with some support bars (361, 371), between adjacent support bar, form support bar holding tank (362, 372), described top cover mold also comprises switching cylinder gauge tap (6), push described gauge tap and make the push rod (5) of described extruding switch motion, drive support bar in described two half-unit to one half portion with first drive rod (7) of the support bar alignment in another half portion and the second drive rod (8) that drives the support bar in described two half-unit to one half portion to align with the support bar holding tank in another half portion, one and half portions in described two half-unit are provided with the first guide pad (363) coordinating with described the first drive rod and the second guide pad (364) coordinating with the second drive rod, between described movable push (2) and described push rod (5), be provided with the contiguous block (24) that described movable push and described push rod are linked together, described push rod (5) is provided with the first drive rod drive division (51), the first drive rod is dodged portion (52), the second drive rod drive division (53) and the second drive rod are dodged portion (54), when described push rod moves to the first jacking projection in movable push described in driving described switching cylinder gauge tap to go to control described switching cylinder Execution driven, with the second jacking projection, stagger the position of action and the first jacking projection during with the second jacking projection alignment, described the second drive rod drive division (53) is dodged portion (52) and is alignd with described the first drive rod (7) with described the second drive rod alignment (8), described the first drive rod, when described push rod moves to the first jacking projection in movable push described in driving described switching cylinder gauge tap to go to control described switching cylinder Execution driven, with the second jacking projection, stagger the position of action and the first jacking projection while staggering with the second jacking projection, described the second drive rod drive division (53) staggers with described the second drive rod (8), when described push rod moves to the first jacking projection with the position of the second jacking projection alignment action and the first jacking projection during with the second jacking projection alignment in movable push described in driving described switching cylinder gauge tap to go to control described switching cylinder Execution driven, described the first drive rod drive division (51) is dodged portion (54) and is alignd with described the second drive rod (8) with described the first drive rod (7) alignment, described the second drive rod.
3. top cover mold according to claim 2, is characterized in that, the distribution arrangement of described support bar is vertical with the flexible direction of described switching cylinder.
4. according to the top cover mold described in claim 2 or 3, it is characterized in that, described two half-unit (36,37), half portion (36) that is only positioned at top can move along the distribution arrangement of described support bar, and described the first guide pad (363) and the second guide pad (364) are all arranged at half portion (36) that is positioned at top in two half-unit.
5. according to the top cover mold described in claim 2 or 3, it is characterized in that, described the first drive rod (7) and the second drive rod (8) all liftably hang on described upper bolster (1).
6. according to the top cover mold described in claim 2 or 3, it is characterized in that, described push rod (5) is provided with the drive block (55) coordinating with described switching cylinder gauge tap and the limited block (6) coordinating with described upper bolster, when described drive block drives described switching cylinder gauge tap, described switching cylinder gauge tap (6) is controlled described switching cylinder (21) and is gone to drive movable push (2) to align with the second jacking projection to the first jacking projection, when described limited block is connected to together with described upper bolster, described change-over switch is controlled described switching cylinder and is gone to drive movable push to stagger with the second jacking projection to the first jacking projection.
7. according to the top cover mold described in claim 1 or 2 or 3, it is characterized in that, also comprise the holding pad (4) that is positioned at described upper bolster downside, described skylight piercer (3) is provided with the first air spring (33) vertically extending, and described the first air spring (33) links together with described holding pad (4).
8. top cover mold according to claim 7, is characterized in that, described holding pad (4) is lower than described skylight piercer (3).
9. top cover mold according to claim 7, it is characterized in that, described upper bolster (1) is also provided with the second air spring (11) vertically extending, and described holding pad (4) liftably links together with described upper bolster (1) by described the second air spring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410076701.3A CN103962451B (en) | 2014-03-05 | 2014-03-05 | Automobile top cover die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410076701.3A CN103962451B (en) | 2014-03-05 | 2014-03-05 | Automobile top cover die |
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| Publication Number | Publication Date |
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| CN103962451A true CN103962451A (en) | 2014-08-06 |
| CN103962451B CN103962451B (en) | 2016-01-20 |
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| CN201410076701.3A Active CN103962451B (en) | 2014-03-05 | 2014-03-05 | Automobile top cover die |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106914537A (en) * | 2017-03-22 | 2017-07-04 | 王安基 | Set of molds that mould is clapped in bending and bending is clapped |
| CN106914537B (en) * | 2017-03-22 | 2019-02-01 | 王安基 | Set of molds that mold is clapped in bending and bending is clapped |
| CN112247009A (en) * | 2020-09-26 | 2021-01-22 | 上海瀛美热交换器有限公司 | Heat exchange fin processing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103962451B (en) | 2016-01-20 |
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