CN107297430A - A kind of trimming-punching die of crossbeam connecting bracket - Google Patents
A kind of trimming-punching die of crossbeam connecting bracket Download PDFInfo
- Publication number
- CN107297430A CN107297430A CN201710763676.XA CN201710763676A CN107297430A CN 107297430 A CN107297430 A CN 107297430A CN 201710763676 A CN201710763676 A CN 201710763676A CN 107297430 A CN107297430 A CN 107297430A
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- China
- Prior art keywords
- die
- punch
- upper bolster
- trimming
- connecting bracket
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a kind of trimming-punching die of crossbeam connecting bracket, including the material pressing core located at upper bolster, cut off insert, piercing punch, correcting die and the punch-pin located at die shoe, the vertical section of punch-pin is in convex shape, the recess of projection and both sides including middle part, projection is provided with the first processing type face matched with material pressing core, the groove matched with cut-out insert and the processing hole matched with piercing punch, recess is provided with the second processing type face matched with correcting die, when upper bolster is descending, punch-pin and material pressing core, cut off insert, piercing punch and correcting die coordinate；The present invention is cooperated by material pressing core, cut-out insert, piercing punch, correcting die and punch-pin, the trimming and piercing die process and flanging and restriking process to crossbeam connecting bracket can be realized simultaneously in a secondary mould, so as to the process number of effectively control mould processing, reduction mold tooling development cost and later maintenance cost.
Description
Technical field
The present invention relates to mold design technical field, particularly a kind of trimming-punching die of crossbeam connecting bracket.
Background technology
Current Auto-body Panel is mainly produced using cold stamping mode, its forming technology mainly by draw forming,
The process such as trimming and piercing die and flanging and restriking is realized.In view of body shape and function need, stamping parts size and moulding are different,
Therefore corresponding mould structure, size and each part dimension of mould are also different.Considered in addition, diel exploitation also has
Die procedure number and cost, die procedure number are fewer, and the accumulated error that part is produced is smaller, frock development cost is also fewer.
As shown in figure 1, the crossbeam connecting bracket part of certain vehicle need it is complete by processes such as blanking, trimming and piercing die and flange
Into, because accessory size is smaller, plate is thick, and the pressure-plate-force needed for shaping is larger, but binder region area during flanging forming compared with
It is small, and also need to arrange multiple piercing punches and other workpieces, and there is internal installing space deficiency in conventional mould structure,
Cause not processing it in limited in-process；If considering, by increasing process number, die structure size to be increased, by presser
It is distributed across in more die procedures to realize the processing to crossbeam connecting bracket as content, mold tooling can be caused to develop
The problem of cost and later maintenance cost increase.
Now need badly and design a kind of trimming-punching die of new crossbeam connecting bracket, side is singly minored in solve current routine
Because workpiece installing space deficiency can not carry out effective shaping to crossbeam connecting bracket part and pass through in punching die
Increase process number, increase die structure size, press work content is distributed across in more die procedures and realized to it
Processing, the problem of caused frock development cost and later maintenance cost increase.
The content of the invention
It is of the prior art normal to solve it is an object of the invention to provide a kind of trimming-punching die of crossbeam connecting bracket
Single secondary trimming-punching die of rule can not carry out effective shaping and by increasing mould structure chi to crossbeam connecting bracket part
Very little, increase process, which is realized, processes the increased technical problem of caused cost to it, and the deburring of crossbeam connecting bracket of the invention is rushed
Punch die can be realized while trimming and piercing die is completed and carry out shaping to crossbeam connecting bracket part, and then can effectively control
Molding jig process number, reduction mold tooling development cost and later maintenance cost.
In order to realize above-mentioned technique effect, the invention provides following technical scheme：
A kind of trimming-punching die of crossbeam connecting bracket, including material pressing core, cut-out insert, punching convex located at upper bolster
Mould, correcting die and the punch-pin located at die shoe；The vertical section of the punch-pin is in convex shape, includes projection and the both sides at middle part
Recess, it is described raised to cut off the groove that insert is matched provided with the first processing type face match with the material pressing core, with described
And the processing hole matched with the piercing punch, the recess is provided with the second processing type matched with the correcting die
Face；When the upper bolster is descending, the punch-pin and the material pressing core, the cut-out insert, the piercing punch and the shaping
Cavity plate coordinates.
Preferably, in addition to stroke hook, the stroke hook is L-shaped, and described stroke hook one end is connected with the upper bolster, separately
One end extends the lower section of the material pressing core.
Preferably, in addition to nitrogen spring and guide pillar, the material pressing core is provided with the first spring eye and the first pilot hole, institute
State nitrogen spring one end with the upper bolster to be connected, the other end is contained in first spring eye, described guide pillar one end and institute
State upper bolster to be connected, the other end is slidably connected with first pilot hole.
Preferably, in addition to fixed plate, the fixed plate is connected with the upper bolster, and the fixed plate is provided with the first peace
Hole, the second mounting hole, the 3rd mounting hole and the second pilot hole are filled, the correcting die is interference fitted with first mounting hole,
The piercing punch is interference fitted with second mounting hole, and the guide pillar is interference fitted with the 3rd mounting hole, the nitrogen
Gas spring is passed through from second pilot hole and is connected with the upper bolster.
Preferably, in addition to backing plate, the backing plate is located between the upper bolster and the fixed plate, and the backing plate is provided with
The 3rd coaxial pilot hole with second pilot hole, the nitrogen spring is led from second pilot hole, the described 3rd successively
Pass through and be connected with the upper bolster to hole.
Preferably, it is additionally provided with the material pressing core in second spring hole, the second spring hole and is equipped with discharging spring, institute
The end for stating discharging spring is provided with discharging pin, and when the upper bolster is descending, the discharging spring is abutted with the discharging pin.
Preferably, the die shoe is provided with deep gouge, and the punch-pin is contained in the deep gouge and affixed with the die shoe.
Preferably, the die shoe be provided with lean on knife, it is described by knife side be provided with slide plate, the slide plate with it is described whole
Shape cavity plate is mutually abutted.
The beneficial effects of the present invention are：
The trimming-punching die of the crossbeam connecting bracket of the present invention, including material pressing core located at upper bolster, cut-out insert, punching
Hole punch-pin, correcting die and the punch-pin located at die shoe, the vertical section of the punch-pin is in convex shape, including middle part projection and
The recess of both sides, what the projection was matched provided with the first processing type face matched with the material pressing core, with the cut-out insert
Groove and the processing hole matched with the piercing punch, the recess are provided with the second processing matched with the correcting die
Type face, when the upper bolster is descending, the punch-pin and the material pressing core, the cut-out insert, the piercing punch and described whole
Shape cavity plate coordinates；The present invention is cooperated by material pressing core, cut-out insert, piercing punch, correcting die and punch-pin, it is possible to achieve
To the trimming and piercing die process and flanging and restriking process of crossbeam connecting bracket, compared with prior art, the present invention is not only solved
Conventional single secondary trimming-punching die can not complete to carry out crossbeam connecting bracket the technical problem of trimming and piercing die and shaping simultaneously, and
And the process number that can effectively control mould to process, reduction mold tooling development cost and later maintenance cost.
Brief description of the drawings
Fig. 1 is the structural representation of the crossbeam connecting bracket part of certain vehicle；
Fig. 2 is the stereogram of the trimming-punching die of the crossbeam connecting bracket of the embodiment of the present invention；
Fig. 3 is the structural representation of the upper bolster of the trimming-punching die of the crossbeam connecting bracket of the embodiment of the present invention；
Fig. 4 is the structural representation of the die shoe of the trimming-punching die of the crossbeam connecting bracket of the embodiment of the present invention；
Fig. 5 is the transverse sectional view of the trimming-punching die of the crossbeam connecting bracket of the embodiment of the present invention；
Fig. 6 is the longitudinal sectional view of the trimming-punching die of the crossbeam connecting bracket of the embodiment of the present invention；
Fig. 7 is the explosive view of the upper bolster of the trimming-punching die of the crossbeam connecting bracket of the embodiment of the present invention；
Fig. 8 is the partial structurtes signal of the die shoe of the trimming-punching die of the crossbeam connecting bracket of the embodiment of the present invention
Figure；
Fig. 9 is the structural representation of the material pressing core of the trimming-punching die of the crossbeam connecting bracket of the embodiment of the present invention.
Description of reference numerals：
1- upper bolsters, 2- material pressing cores, 3- cut-out inserts, 4- piercing punches, 5- correcting dies, 6- die shoes, 7- punch-pin, 8-
Stroke hook, 9- nitrogen springs, 10- guide pillars, the spring eyes of 11- first, the pilot holes of 12- first, 13- fixed plates, 14- backing plates, 16- is unloaded
Expect spring, 17- discharging pins, 18- deep gouges, 19- leans on knife, 20- slide plates, the dead block of 22- material pressing core piers, 23- guide pin bushings, 24- lower die guidings
The dead block of pier under post, 25- cushion blocks, the dead block of the upper piers of 26-, 27-, the anti-lateral mass of 28-, 29- foots pad, 30- bottom plates, 31- liftout springs, 32-
Jigger pin, 33- locating pieces, 34- positioning keys, the pilot holes of 35- second, 36- slide guides face, 37- escape groove.
Embodiment
The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the present invention, and can not be construed to
Limitation of the present invention.
As shown in figs 2-4, embodiments of the invention provide a kind of trimming-punching die of crossbeam connecting bracket, including set
Material pressing core 2, cut-out insert 3, piercing punch 4, correcting die 5 in upper bolster 1 and the punch-pin 7 located at die shoe 6；It is described convex
The vertical section of mould 7 is in convex shape, includes the projection at middle part and the recess of both sides, and the projection is provided with and the material pressing core 2
The the first processing type face matched somebody with somebody, the groove matched with the cut-out insert 3 and the processing hole matched with the piercing punch 4, institute
State recess and be provided with the second processing type face matched with the correcting die 5；When the upper bolster 1 is descending, the punch-pin 7 and institute
Material pressing core 2, the cut-out insert 3, the piercing punch 4 and the correcting die 5 is stated to coordinate.
As shown in figure 5, the specifically used method of the trimming-punching die of the crossbeam connecting bracket of the embodiment of the present invention is：Will
Plate is placed on punch-pin 7, and plate is positioned, and then upper bolster 1 is overall descending, and after a descending segment distance, material pressing core 2 is opened
Begin to contact plate and cooperate with the first processing type face in projection to carry out binder, subsequent upper bolster 1 is continued traveling downwardly, and shaping is recessed
The processing type face of mould 5 and second cooperates and carries out flanging and restriking to plate, while piercing punch 4 cooperates to plate with processing hole
Material is punched out work, and cut-out insert 3 cooperates with the groove on punch-pin 7 and cut off the waste material of plate, so far completes
To the machining and shaping process of crossbeam connecting bracket；From aforesaid operations step, the crossbeam connecting bracket of the embodiment of the present invention
Trimming-punching die, solves the crossbeam connecting bracket of certain vehicle because accessory size is small, effective binder region of flanging forming
Area is small, and internal working components installing space is not enough, and conventional trimming-punching die can not realize the problem of shaping to it, in this base
On plinth, the present invention also effectively controls the process number of mould, and by processes such as punching, flanging and restriking and waste material cut-outs in a mould
Completed in tool, reduce development cost, production cost and the later maintenance cost of mold tooling.
On the basis of said structure, the trimming-punching die of the crossbeam connecting bracket of the embodiment of the present invention also includes stroke
Hook 8, as shown in fig. 6, the stroke hook 8 is L-shaped, described one end of stroke hook 8 is connected with the upper bolster 1, and the other end extends institute
State the lower section of material pressing core 2.Stroke hook 8 plays a part of controlling the impulse stroke of material pressing core 2.The stroke hook 8 preferably includes to hang down
Straight section and horizontal segment, the length of vertical section are more than horizontal segment, and the end of vertical section is fixedly connected with the bottom of upper bolster 1, stroke
Hook 8 is preferably provided with 2, is symmetricly set on the front and rear side of upper bolster 1, and material pressing core 2 is between the vertical section of 2 stroke hooks 8,2
The horizontal segment of stroke hook 8 is located at the lower section of material pressing core 2, and bottom surface and the stroke of material pressing core 2 can be preset according to the stroke of material pressing core 2
The distance between top surface of horizontal segment of hook 8, when material pressing core 2 comes downwards to preset strokes, the bottom surface of material pressing core 2 just with 2 rows
The bottom surface of the horizontal segment of journey hook 8 is abutted, and material pressing core 2 can not just be further continued for carrying out descending, and its impulse stroke is just brought under control.2
Individual stroke hook 8 is provided with beneficial to providing material pressing core 2 more spacing power in a balanced way.Certainly, the number of stroke hook 8 can also root
According to needing to be set to other numbers.
More specifically, the trimming-punching die of the crossbeam connecting bracket of the embodiment of the present invention further preferably includes nitrogen spring
9 and guide pillar 10, as shown in figure 9, the material pressing core 2 is provided with the first spring eye 11 and the first pilot hole 12, the nitrogen spring 9
One end is connected with the upper bolster 1, and the other end is contained in first spring eye 11, described one end of guide pillar 10 and the upper mould
Seat 1 is connected, and the other end is slidably connected with first pilot hole 12.Above-mentioned nitrogen spring 9 is preferably provided at the setting of upper bolster 1
In groove, and it is fixedly connected with upper bolster 1, the effect of nitrogen spring 9 is that for the descending offer driving force of material pressing core 2, plate is entered
Slide guide guiding is played a part of in row binder, motion of the guide pillar 10 to material pressing core 2, it is ensured that the working motion stability of material pressing core 2.Nitrogen
The number of gas spring 9 is preferably 4, to ensure to provide sufficiently large driving force for material pressing core 2.The preferred number of guide pillar 10 is preferred
2 are set to, respectively positioned at the both sides of material pressing core 2, the inclination of material pressing core 2 is prevented.In addition, being also preferably equipped with die shoe 6
The dead block 22 of material pressing core pier, when the mold is closed, the end of the dead block 22 of material pressing core pier are acted on material pressing core 2, for adjusting matched moulds
When, the compression effect of the binder of material pressing core 2.
As shown in fig. 7, install for convenience, the embodiment of the present invention further preferably includes fixed plate 13, the fixed plate 13 with
The upper bolster 1 is connected, and the fixed plate 13 is oriented to provided with the first mounting hole, the second mounting hole, the 3rd mounting hole and second
Hole 35, the correcting die 5 is interference fitted with first mounting hole, the piercing punch 4 and the second mounting hole interference
Coordinate, the guide pillar 10 is interference fitted with the 3rd mounting hole, the nitrogen spring 9 is passed through from second pilot hole 35
And be connected with the upper bolster 1.Wherein, after the mounting hole of correcting die 5 and first interference fit, bolt reverse locking is preferably passed through
And be fixedly connected with upper bolster 1.In addition, being further preferably machined with via in fixed plate 13, passed through for cutting off insert 3, cut-out edge
Block 3 is passed through after the described via, is connected with upper bolster 1.
Further, the trimming-punching die of the crossbeam connecting bracket of the embodiment of the present invention can also include backing plate 14, institute
State backing plate 14 to be located between the upper bolster 1 and the fixed plate 13, the backing plate 14 is provided with same with second pilot hole 35
3rd pilot hole of axle, the nitrogen spring 9 passed through successively from second pilot hole 35, the 3rd pilot hole and with it is described
Upper bolster 1 is connected.Set after backing plate 14, be just connected on backing plate 14 after the mounting hole of correcting die 5 and first interference fit.Punching
Punch-pin 4 is also connected on backing plate 14.
After the completion of stamping procedure, in order to prevent plate to be stuck in strip on material pressing core 2, as shown in figure 5, the material pressing core 2
On be additionally provided with second spring hole, the second spring hole and be equipped with discharging spring 16, the end of the discharging spring 16 is provided with
Discharging pin 17, when the upper bolster 1 is descending, the discharging spring 16 is abutted with the discharging pin 17.Discharging spring 16 is preferably logical
Cross plug screw to be movably arranged in second spring hole, the other end is connected on discharging pin 17, when upper bolster 1 is descending, discharging spring
16 are compressed, after the completion of stamping procedure, and discharging spring 16 can promote discharging pin 17 in the presence of restoring force, make discharging pin 17
Plate is promoted, prevents plate to be stuck in strip on material pressing core 2.In addition, being further preferably provided with liftout spring 31, liftout on punch-pin 7
Spring 31 is preferably movably arranged in the mounting hole on punch-pin 7 by plug screw, and the end of liftout spring 31 is provided with jigger pin 32,
When upper bolster 1 is descending, liftout spring 31 is compressed, after the completion of punching press, and liftout spring 31 can be pushed up in the presence of its restoring force
Plate is played, prevents plate to be stuck on punch-pin 7, is easy to product to take operation.
Preferably, the die shoe 6 is provided with deep gouge 18, the punch-pin 7 be contained in the deep gouge 18 and with the lower mould
Seat 6 is affixed.Deep gouge 18 is machined with die shoe 6, punch-pin 7 is fixedly mounted in deep gouge 18, is conducive to improving and stressed effect is installed.
More specifically, the die shoe 6, which is provided with, leans on knife 19, described to be provided with slide plate 20 by the side of knife 19, described to lead
Slide plate 20 is mutually abutted with the correcting die 5.2 groups are preferably provided with by knife 19 and slide plate 20, the two of punch-pin 7 are symmetricly set on
Side.Preferably, correcting die 5 is provided with slide guide face 36 close to the side of slide plate 20, and slide guide face 36 cooperates with slide plate 20,
It is also preferably equipped with escape groove 37, slide plate 20 on correspondence position being provided with opening on slide guide face 36, escape groove 37 and is leading
Locating piece 33 is provided between the opening of slide plate 20, locating piece 33 is fixedly mounted on by the middle of knife 19 and slide plate 20, for punching press
Plate is positioned before shaping.Deviating from the side of correcting die 5 by knife 19, be also preferably equipped with anti-lateral mass 28, be conducive to prevention to turn over
The side force during shaping of side.It can also be machined with the installation of anti-lateral mass 28 for convenience, the anti-side effect of raising, die shoe 6 anti-
Lateral mass deep gouge, anti-lateral mass 28 is installed for sunk type.Positioning key deep gouge can also be machined with die shoe 6, for sunk type peace
Positioning key 34 is filled, the stressed effect of die shoe 6 is improved.In addition, upper bolster 1 is preferably provided with the dead block 26 of pier, the upper dead block 26 of pier is
Cylindrical structural, is fixedly mounted on the corner location of upper bolster 1, and die shoe 6 is preferably provided with the dead block 27 of lower pier in correspondence position, under
When the mould of die holder 6 is closed into bottom, the upper dead block 26 of pier contacts pier with the dead block 27 of lower pier extremely, for controlling pressure during matched moulds, simultaneously
The closure height of mould can also be adjusted by the height of the upper dead block 26 of pier of regulation and the dead block 27 of lower pier, so as to reach regulation mould
The effect of compression degree during tool closure.Guide pin bushing 23 is also preferably equipped with the left and right sides of upper bolster 1, guide pin bushing 23 is solid by bolt
It is scheduled on upper bolster 1, die shoe 6 is provided with the lower die guiding post 24 matched with guide pin bushing 23, and guide pin bushing 23 and lower die guiding post 24 are matched somebody with somebody during work
Close, play a part of slide guide and guiding.Cushion block 25 is also provided between guide pin bushing 23 and lower die guiding post 24, cushion block 25 can make
Guide pin bushing 23 and lower die guiding post 24 are contacted in advance, improve guide effect when upper bolster 1 declines closure.Die shoe 6 is also fixedly mounted
There is foot pad 29, waste material is fallen for mould support, foot pad 29 is fixedly mounted on bottom plate 30.
Construction, feature and the action effect of the present invention, above institute is described in detail according to the embodiment shown in schema above
Only presently preferred embodiments of the present invention is stated, but the present invention is not to limit practical range shown in drawing, it is every according to structure of the invention
Want made change, or be revised as the equivalent embodiment of equivalent variations, still without departing from specification with illustrating during covered spirit,
All should be within the scope of the present invention.
Claims (8)
1. a kind of trimming-punching die of crossbeam connecting bracket, it is characterised in that including the material pressing core (2) located at upper bolster (1),
Cut off insert (3), piercing punch (4), correcting die (5) and the punch-pin (7) located at die shoe (6)；
The vertical section of the punch-pin (7) is in convex shape, includes the projection at middle part and the recess of both sides, and the projection is provided with and institute
State material pressing core (2) matching the first processing type face, with it is described cut off insert (3) groove that matches and with the piercing punch
(4) the processing hole of matching, the recess is provided with the second processing type face matched with the correcting die (5)；
When the upper bolster (1) is descending, the punch-pin (7) and the material pressing core (2), the cut-out insert (3), the punching convex
Mould (4) and the correcting die (5) coordinate.
2. the trimming-punching die of crossbeam connecting bracket according to claim 1, it is characterised in that also including stroke hook
(8), the stroke hook (8) is L-shaped, and described stroke hook (8) one end is connected with the upper bolster (1), and the other end extends the pressure
Expect the lower section of core (2).
3. the trimming-punching die of crossbeam connecting bracket according to claim 1, it is characterised in that also including nitrogen spring
(9) and guide pillar (10), the material pressing core (2) is provided with the first spring eye (11) and the first pilot hole (12), the nitrogen spring
(9) one end is connected with the upper bolster (1), and the other end is contained in first spring eye (11), described guide pillar (10) one end
It is connected with the upper bolster (1), the other end is slidably connected with first pilot hole (12).
4. the trimming-punching die of crossbeam connecting bracket according to claim 3, it is characterised in that also including fixed plate
(13), the fixed plate (13) is connected with the upper bolster (1), and the fixed plate (13) is provided with the first mounting hole, the second peace
Hole, the 3rd mounting hole and the second pilot hole (35) are filled, the correcting die (5) is interference fitted with first mounting hole, described
Piercing punch (4) is interference fitted with second mounting hole, and the guide pillar (10) is interference fitted with the 3rd mounting hole, described
Nitrogen spring (9) is passed through from second pilot hole (35) and is connected with the upper bolster (1).
5. the trimming-punching die of crossbeam connecting bracket according to claim 4, it is characterised in that also including backing plate
(14), the backing plate (14) be located between the upper bolster (1) and the fixed plate (13), the backing plate (14) provided with it is described
The 3rd coaxial pilot hole of second pilot hole (35), the nitrogen spring (9) is successively from second pilot hole (35), described the
Three pilot holes are passed through and are connected with the upper bolster (1).
6. the trimming-punching die of crossbeam connecting bracket according to claim 1, it is characterised in that the material pressing core (2)
On be additionally provided with second spring hole, the second spring hole and be equipped with discharging spring (16), the end of the discharging spring (16)
Provided with discharging pin (17), when the upper bolster (1) is descending, the discharging spring (16) abuts with the discharging pin (17).
7. the trimming-punching die of crossbeam connecting bracket according to claim 1, it is characterised in that the die shoe (6)
Provided with deep gouge (18), the punch-pin (7) is contained in the deep gouge (18) and affixed with the die shoe (6).
8. the trimming-punching die of crossbeam connecting bracket according to claim 1, it is characterised in that the die shoe (6)
It is provided with and leans on knife (19), it is described to be provided with slide plate (20), the slide plate (20) and the correcting die (5) by knife (19) side
Mutually abut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763676.XA CN107297430A (en) | 2017-08-30 | 2017-08-30 | A kind of trimming-punching die of crossbeam connecting bracket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763676.XA CN107297430A (en) | 2017-08-30 | 2017-08-30 | A kind of trimming-punching die of crossbeam connecting bracket |
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| CN107297430A true CN107297430A (en) | 2017-10-27 |
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| CN201710763676.XA Pending CN107297430A (en) | 2017-08-30 | 2017-08-30 | A kind of trimming-punching die of crossbeam connecting bracket |
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| CN108555139A (en) * | 2018-04-12 | 2018-09-21 | 天津英利模具制造有限公司 | Integral type collision prevention girders production mould |
| CN109848310A (en) * | 2019-03-07 | 2019-06-07 | 武汉神风模具制造有限公司 | Mount holder mold and its mount holder |
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| CN107971402A (en) * | 2017-12-27 | 2018-05-01 | 重庆安亚模具制造有限公司 | A kind of automobile upper die component |
| CN107971402B (en) * | 2017-12-27 | 2024-05-17 | 苏州恒本汽车部件有限公司 | Automobile upper die assembly |
| CN108326148A (en) * | 2018-02-06 | 2018-07-27 | 安徽江淮汽车集团股份有限公司 | A kind of flange punching die |
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| CN109848310A (en) * | 2019-03-07 | 2019-06-07 | 武汉神风模具制造有限公司 | Mount holder mold and its mount holder |
| CN109848310B (en) * | 2019-03-07 | 2024-04-16 | 武汉神风模具制造有限公司 | Bottom plate support die and bottom plate support thereof |
| CN111085614A (en) * | 2019-12-25 | 2020-05-01 | 南京海长智能装备有限公司 | Die-type cutting die for processing refrigerator door shell |
| CN111085614B (en) * | 2019-12-25 | 2021-06-15 | 江苏天辰智能装备有限公司 | Die-type cutting die for processing refrigerator door shell |
| CN111531040A (en) * | 2020-06-16 | 2020-08-14 | 浙江长华汽车零部件股份有限公司 | Efficient stamping part flexible adjustment shaping die |
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Application publication date: 20171027 |