CN107052164A - A kind of upper hole flanging punching mold tool - Google Patents
A kind of upper hole flanging punching mold tool Download PDFInfo
- Publication number
- CN107052164A CN107052164A CN201710525101.4A CN201710525101A CN107052164A CN 107052164 A CN107052164 A CN 107052164A CN 201710525101 A CN201710525101 A CN 201710525101A CN 107052164 A CN107052164 A CN 107052164A
- Authority
- CN
- China
- Prior art keywords
- hole
- flanging
- punch
- sliding block
- hole flanging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- 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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
- B21D19/088—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws for flanging holes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a kind of upper hole flanging punching mold tool, including upper hole-flanging device, upper hole-flanging device includes：Driver element and hole flanging unit；Driver element includes：Support, rotating shaft and seesaw；Hole flanging unit includes：Sliding block and Burring Punch, Burring Punch are fixedly installed on the upper surface of sliding block, and sliding block coordinates with the slide set on die shoe, and Burring Punch is slidably matched with the through hole set on punch-pin；The side of sliding block is provided with stroke groove.Exercise seesaw upset during work, under upper bolster, seesaw is driven after hole flanging unit upward sliding, cavity plate and punch-pin be harmonious, and Burring Punch is up along through hole, until the type face of prominent punch-pin, that is, complete anti-flanging upward hole.The mould can carry out anti-flanging upward hole operation while other positive punching press actions are completed, without by the oppositely positioned downward hole flanging of progress of product, can be achieved to complete more press work contents in list sequence, advantageously reducing presser's ordinal number, reduction development cost.
Description
Technical field
The present invention relates to diel manufacturing technology field, especially a kind of upper hole flanging punching mold tool.
Background technology
Hole flanging is mainly used for producing the assembling position with other parts, or adds to improve the rigidity of part
Work goes out specific shape.Automobile body-in-white is formed by welding by hundreds of punching parts, mainly including larger-size outer covering piece,
The casting die part such as inner panel, and the less steel mould part of size.To meet the realization of body of a motor car assembling function, part
Hole flanging moulding is designed with stamping parts of automobile structure, the hole flanging moulding is realized in punching press implementation process by flange hole technology, had
Body is to coordinate to carry out hole flanging by Burring Punch and hole flanging cavity plate.Conventional punching press hole flanging be mainly from the upper table of part towards
Under turn over, i.e., Burring Punch is fixedly mounted on mould, hole flanging cavity plate is fixedly mounted on lower mould, but the hole flanging on part
On pressing direction and part most of press work contents at other positions pressing direction on the contrary, in same stamping procedure nothing
Method is completed by positive punching press simultaneously.
The content of the invention
Have it is an object of the invention to provide a kind of upper hole flanging punching mold, solve in same stamping procedure, it is impossible to while real
The problem of existing positive and negative both direction hole flanging.
In order to achieve the above object, have the invention provides a kind of upper hole flanging punching mold, including：It is upper bolster, die shoe, convex
Mould and cavity plate, the punch-pin are fixedly installed on the die shoe, and the cavity plate is fixedly installed on the upper bolster, wherein,
Also include：Upper hole-flanging device, the upper hole-flanging device includes：Driver element and hole flanging unit；The driver element includes：Branch
Frame, rotating shaft and seesaw, the support are fixedly installed on the die shoe, and the middle part of the seesaw is provided with mounting hole, described turn
Axle is rotated with the mounting hole and is connected, and the two ends of the rotating shaft are fixedly connected with the support；The two ends of the seesaw are respectively
Drive end and support end, the drive end coordinate with the upper bolster；The hole flanging unit includes：Sliding block and Burring Punch, institute
The upper surface that Burring Punch is fixedly installed on the sliding block is stated, the sliding block is matched somebody with somebody with the slide set on the die shoe
Close, the Burring Punch is slidably matched with the through hole set on the punch-pin；The side of the sliding block, which is provided with, to be used to limit described
The stroke groove of seesaw stroke, the support end coordinates with the stroke groove；When the upper bolster is descending, the drive end be pressurized around
The pivoted downward, the support end is rotated up around the rotating shaft, the support end and the upper surface of the stroke groove
Abut, drive after the hole flanging unit upward sliding, the cavity plate and the punch-pin be harmonious, the Burring Punch is along the through hole
Go upward to the type face of the prominent punch-pin；When the upper bolster is up, drive the Burring Punch descending along the through hole, until
The top surface of the Burring Punch is less than the type face of the punch-pin.
Preferably, the drive end and the support end are equipped with the boss face of arc, two boss faces respectively with
The upper bolster and the stroke groove linear contact lay.
Preferably, the upper hole-flanging device also includes guide pad, and the guide pad is provided with what is be slidably matched with the sliding block
Guide groove, the guide pad is fixedly installed on the die shoe, and the guide groove surrounds a closing chamber, institute with the chute
Sliding block is stated in the closing chamber；The side of the guide pad is provided with the through slot connected with the guide groove, the insertion
Groove and the support end grafting.
Preferably, the upper hole-flanging device also includes flipper guide, and the flipper guide is fixedly installed on the described of the sliding block
On the side of the relative side of stroke groove, the side of the remote sliding block of the flipper guide coordinates with the slide.
Preferably, the upper hole-flanging device also includes work bolt and return spring, and the work bolt is bolted in described
On the bottom surface of sliding block, the return spring is coated on the work bolt, the upper end of the return spring and the die shoe
Abut, the lower end of the return spring is abutted with the end cap of the work bolt.
Preferably, the upper hole-flanging device also includes the hole flanging cavity plate being engaged with the Burring Punch, and the hole flanging is recessed
Mould is fixedly installed on the upper bolster.
Preferably, the upper hole-flanging device also includes unloading block and discharging spring, and the upper surface of the hole flanging cavity plate is provided with
Ladder hole, the upper end of the unloading block is provided with the flange platform abutted with the step surface of the ladder hole, the discharging spring
Upper end abutted with the upper bolster, the upper surface of flange platform described in the lower surface of the discharging spring is abutted.
Preferably, the driver element also includes rotary sleeve, and the rotary sleeve is coated in the rotating shaft, the rotary sleeve
Outside and the mounting hole coordinate.
Preferably, the bottom surface of the seesaw is provided with round boss, and the round boss and the mounting hole are concentric；It is described to drive
Moving cell also includes rotating basis, and the rotating basis is fixedly installed on the support immediately below the seesaw, the rotation
Turn the slide guide face that pedestal is provided with the arcuation being slidably matched with the round boss.
Preferably, the slide guide face is provided with multiple equidistant the first axial oil guide grooves, and the lateral surface of the sliding block is set
Have in multiple the second oil guide grooves intersected, first oil guide groove and second oil guide groove and be equipped with pasty lubricant.
The beneficial effects of the present invention are：
The invention provides a kind of upper hole flanging punching mold tool, including upper hole-flanging device, upper hole-flanging device includes：Driver element
With hole flanging unit；Driver element includes：Support, rotating shaft and seesaw, support are fixedly installed on die shoe, and the middle part of seesaw is provided with
Mounting hole, rotating shaft is rotated with mounting hole and is connected, and the two ends of rotating shaft are fixedly connected with support；The two ends of seesaw be respectively drive end and
Support end, drive end coordinates with cavity plate；Hole flanging unit includes：Sliding block and Burring Punch, Burring Punch are fixedly installed on sliding block
Upper surface, sliding block coordinates with the slide set on die shoe, and Burring Punch is slidably matched with the through hole set on punch-pin；It is sliding
The side of block is provided with the stroke groove for being used for limiting seesaw stroke, and support end coordinates with stroke groove.During the mold work, under upper bolster
After row certain distance, abutted with drive end, drive end is pressurized and rotated down around the shaft, and support end is rotated up around the shaft, support
End is abutted with the upper surface of stroke groove, drive hole flanging unit upward sliding, and after cavity plate and punch-pin are harmonious, Burring Punch is along along through hole
OK, until the type face of prominent punch-pin, that is, complete anti-flanging upward hole；After the completion of punching press, when upper bolster is up, Burring Punch is driven
It is descending along through hole, until the top surface of Burring Punch is less than the type face of punch-pin.Hole flanging punching mold tool can complete other square impacts on this
While pressing action, anti-flanging upward hole operation is carried out, without by the oppositely positioned downward hole flanging of progress of product, list sequence can be achieved
It is interior to complete more press work contents, presser's ordinal number is advantageously reduced, development cost is reduced.
Brief description of the drawings
The schematic diagram that Fig. 1 has for upper hole flanging punching mold provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of upper hole-flanging device；
Fig. 3 is the explosive view of upper hole-flanging device；
Fig. 4 is the explosive view of driver element.
Reference is as follows：
1- die shoes, 2- punch-pin, the upper hole-flanging devices of 3-, 31- driver elements, 311- supports, 312- rotating shafts, 313- seesaws,
314- mounting holes, 315- drive ends, 316- support ends, 317- rotary sleeves, 318- round boss, 319- rotating basis, 320- are led
Sliding surface, 32- hole flangings unit, 321- sliding blocks, 322- Burring Punchs, 323- stroke grooves, 33- guide pads, 331- guide grooves, 332- are passed through
Groove, 34- flipper guides, 35- work bolt, 36- return springs, 37- hole flangings cavity plate, 371- ladder holes, 38- unloading blocks,
381- flanges platform, 39- dischargings spring, the oil guide grooves of 40- first, the oil guide grooves of 41- second.
Embodiment
Embodiments of the invention are described below in detail, the example of embodiment is shown in the drawings, wherein identical from beginning to end
Or similar label represents same or similar element or the element with same or like function.Retouched below with reference to accompanying drawing
The embodiment stated is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
As shown in Figures 1 to 4, have the embodiments of the invention provide a kind of upper hole flanging punching mold, including：Upper bolster is (in figure
It is not shown), die shoe 1, punch-pin 2 and cavity plate (not shown), punch-pin 2 is fixedly installed on die shoe 1, and cavity plate is fixedly installed
On upper bolster, wherein, in addition to：Upper hole-flanging device 3, upper hole-flanging device 3 includes：Driver element 31 and hole flanging unit 32.Drive
Moving cell 31 includes：Support 311, rotating shaft 312 and seesaw 313, support 311 are fixedly installed on die shoe 1, in seesaw 313
Portion is provided with mounting hole 314, and rotating shaft 312 is rotatably assorted with mounting hole 314, and the two ends of rotating shaft 312 are fixedly connected with support 311；Stick up
The two ends of plate 313 are respectively drive end 315 and support end 316, and drive end 315 coordinates with upper bolster.Hole flanging unit 32 includes：It is sliding
Block 321 and Burring Punch 322, Burring Punch 322 are fixedly installed on the upper surface of sliding block 321, and sliding block 321 on die shoe 1 with setting
The slide put coordinates, and Burring Punch 322 is slidably matched with the through hole set on punch-pin 2；The side of sliding block 321, which is provided with, to be used for
The stroke groove 323 of the stroke of seesaw 313 is limited, support end 316 coordinates with stroke groove 323.Preferably, the lateral surface of sliding block 321 is set
Have in multiple the second oil guide grooves 41 intersected, the second oil guide groove 41 and be provided with pasty lubricant, slide guide lubricant effect can be improved.Should
During mold work, after the descending certain distance of upper bolster, abutted with drive end 315, drive end 315 is pressurized 312 downward turns around the shaft
Dynamic, support end 316 312 is rotated up around the shaft, and support end 316 is abutted with the upper surface of stroke groove 323, drives hole flanging unit 32
After upward sliding, cavity plate and punch-pin 2 are harmonious, through hole of the Burring Punch 322 along punch-pin 2 is up, until the type face of prominent punch-pin 2,
Complete anti-flanging upward hole；After the completion of punching press, when upper bolster is up, driving Burring Punch 322 is descending along through hole, until hole flanging
The top surface of punch-pin 322 is less than the type face of punch-pin 2.Hole flanging punching mold tool can complete the same of other positive punching press actions on this
When, anti-flanging upward hole operation is carried out, without by the oppositely positioned downward hole flanging of progress of product, can be achieved to complete more punching in list sequence
Action is pressed, presser's ordinal number is advantageously reduced, development cost is reduced.
Further, drive end 315 and support end 316 are equipped with the boss face of arc, two boss faces respectively with upper mould
Seat and the linear contact lay of stroke groove 323.Coordinated by the boss face and plane of arc, contact type is become into linear contact lay, driving can be made
End 315 and support end 316 work more smooth.
Further, refer to shown in Fig. 2, upper hole-flanging device 3 also includes guide pad 33, guide pad 33 is provided with and sliding block
321 guide grooves 331 being slidably matched, guide pad 33 is fixedly installed on die shoe 1, and guide groove 331 surrounds an envelope with chute
Closed chamber, sliding block 321 is located in closing chamber；The side of guide pad 33 is provided with the through slot 332 connected with guide groove 331, through slot
332 with the grafting of support end 316.By setting guide pad 33 that sliding block 321 can be made to move more steady, the precision matter of hole flanging is improved
Amount.
Further, upper hole-flanging device 3 also includes flipper guide 34, and flipper guide 34 is fixedly installed on the stroke groove of sliding block 321
On the side of 323 relative sides, side and the slide of the remote sliding block 321 of flipper guide 34 coordinate.Flipper guide 34 is with
Chute contact on die holder 1, and combine guide groove 331, it is possible to achieve sliding block 321 is oriented on four sides, meanwhile, led by installation side
Plate 34 also allows for the gap between adjusting slider 321 and guide pad 33, slides sliding block 321 more reliable and more stable.
Further, refer to shown in Fig. 3, upper hole-flanging device 3 also includes work bolt 35 and return spring 36, work spiral shell
Bolt 35 is bolted on the bottom surface of sliding block 321, and return spring 36 is coated on work bolt 35, the upper end of return spring 36 and lower mould
Seat 1 is abutted, and the lower end of return spring 36 is abutted with the end cap for the bolt 35 that works.Seesaw 313 with movable slider 321 it is up when, work
Bolt 35 is moved upwards, the compression force compresses of return spring 36, after the completion of flange, and return spring 36 provides elastic force, makes sliding block 321 times
Return original position, be easy to protect Burring Punch 322.
Further, upper hole-flanging device 3 also includes the hole flanging cavity plate 37 being engaged with Burring Punch 322, hole flanging cavity plate 37
It is fixedly installed on upper bolster.Matched by setting hole flanging cavity plate 37 to avoid directly processing on cavity plate with Burring Punch 322
The hole of conjunction, can change various sizes of hole flanging cavity plate 37 and matches somebody with somebody with it according to various sizes of Burring Punch 322 in actual use
Close, it is possible to decrease manufacturing cost, and shorten the cycle for changing mould, improve operating efficiency.
Further, upper hole-flanging device 3 also includes unloading block 38 and discharging spring 39, and the upper surface of hole flanging cavity plate 37 is provided with
Ladder hole 371, the upper end of unloading block 38 is provided with the flange platform 381 abutted with the step surface of ladder hole 371, discharging spring 39
Upper end abutted with upper bolster, the upper surface of the lower surface flange platform 381 of discharging spring 39 is abutted.Unloading block 38 is tied for cylinder
Structure, one end carries flange platform 381, for controlling the movement travel of unloading block 38 spacing.The bottom of the one end of flange platform 381 is machined with
Spring groove, the part of discharging spring 39 is sunk in spring groove, and can play prevents camber of spring excessively, while also can effectively drop
Low overall setting height(from bottom).Unloading block 38 and discharging spring 39 can be used for discharging after the completion of punching press hole flanging, it is to avoid product hole flanging portion
Position is stuck in hole flanging cavity plate 37.
Further, driver element 31 also includes rotary sleeve 317, and rotary sleeve 317 is coated in rotating shaft 312, rotary sleeve 317
Outside coordinate with mounting hole 314.The rotary sleeve 317 interference fit is fixedly mounted in the mounting hole 314 in the middle of seesaw 313,
Rotary sleeve 317 can improve service life using high lubricating effect, wear-resisting material, it is to avoid rotating shaft 312 and installation after long-term use
Worn and torn between hole 314, gap becomes big, causes rotary motion effect to be deteriorated.
Further, refer to shown in Fig. 4, the bottom surface of seesaw 313 is provided with round boss 318, and round boss 318 is with installing
Hole 314 is concentric；Driver element 31 also includes rotating basis 319, and rotating basis 319 is fixedly installed on the branch immediately below seesaw 313
On frame 311, rotating basis 319 is provided with the slide guide face 320 for the arcuation being slidably matched with round boss 318.Rotating basis 319 passes through
Screw, pin are fixedly mounted on support 311, its upper surface be arc-shaped slide guide face 320, the diameter in its slide guide face 320 with
Identical with the diameter of the round boss 318 of the center section outer surface of seesaw 313, both cooperate slide guide, meanwhile, coordinate rotation
317 slide guides are covered, the stability of the motion of seesaw 313 can be improved, so as to improve the precision quality of hole flanging.In addition, slide guide face 320
Provided with multiple equidistant the first axial oil guide grooves 40, the first oil guide groove 40 is provided with pasty lubricant, can improve seesaw 313
The effect lubricated with the slide guide of rotating basis 319.
Construction, feature and the action effect of the present invention is described in detail according to the embodiment shown in schema above, the above is only
For presently preferred embodiments of the present invention, but the present invention is not to limit practical range, every conception institute according to the present invention shown in drawing
The change of work, or the equivalent embodiment of equivalent variations is revised as, all should still without departing from specification with illustrating during covered spirit
Within the scope of the present invention.
Claims (10)
1. a kind of upper hole flanging punching mold tool, including：Upper bolster, die shoe, punch-pin and cavity plate, the punch-pin are fixedly installed on described
On die shoe, the cavity plate is fixedly installed on the upper bolster, it is characterised in that also included：
Upper hole-flanging device, the upper hole-flanging device includes：Driver element and hole flanging unit；
Driver element, the driver element includes：Support, rotating shaft and seesaw, the support are fixedly installed on the die shoe,
The middle part of the seesaw is provided with mounting hole, and the rotating shaft is rotated with the mounting hole and is connected, the two ends of the rotating shaft and the branch
Frame is fixedly connected；The two ends of the seesaw are respectively drive end and support end, and the drive end coordinates with the upper bolster；
Hole flanging unit, the hole flanging unit includes：Sliding block and Burring Punch, the Burring Punch are fixedly installed on the sliding block
Upper surface, the sliding block coordinates with the slide set on the die shoe, and the Burring Punch on the punch-pin with setting
Through hole be slidably matched；The side of the sliding block is provided with the stroke groove for being used for limiting the seesaw stroke, the support end and institute
State stroke groove cooperation；
When the upper bolster is descending, the drive end is pressurized around the pivoted downward, the support end around the rotating shaft to
Upper to rotate, the support end abuts with the upper surface of the stroke groove, the drive hole flanging unit upward sliding, the cavity plate with
After the punch-pin is harmonious, the Burring Punch goes upward to the type face of the prominent punch-pin along the through hole；The upper bolster is up
When, drive the Burring Punch descending along the through hole, until the top surface of the Burring Punch is less than the type face of the punch-pin.
2. upper hole flanging punching mold tool according to claim 1, it is characterised in that the drive end and the support end are all provided with
Have a boss face of arc, two boss faces respectively with the upper bolster and the stroke groove linear contact lay.
3. upper hole flanging punching mold tool according to claim 1, it is characterised in that the upper hole-flanging device also includes being oriented to
Block, the guide pad is provided with the guide groove being slidably matched with the sliding block, and the guide pad is fixedly installed on the die shoe,
The guide groove surrounds a closing chamber with the chute, and the sliding block is located in the closing chamber；The side of the guide pad
Provided with the through slot connected with the guide groove, the through slot and the support end grafting.
4. upper hole flanging punching mold tool according to claim 1, it is characterised in that the upper hole-flanging device is also led including side
Plate, the flipper guide is fixedly installed on the side of the relative side of the stroke groove of the sliding block, the flipper guide it is remote
Side from the sliding block coordinates with the slide.
5. upper hole flanging punching mold tool according to claim 1, it is characterised in that the upper hole-flanging device also includes work spiral shell
Bolt and return spring, the work bolt are bolted on the bottom surface of the sliding block, and the return spring is coated at the work spiral shell
On bolt, the upper end of the return spring is abutted with the die shoe, the lower end of the return spring and the end of the work bolt
Cap is abutted.
6. upper hole flanging punching mold tool according to claim 1, it is characterised in that the upper hole-flanging device also include with it is described
The hole flanging cavity plate that Burring Punch is engaged, the hole flanging cavity plate is fixedly installed on the upper bolster.
7. upper hole flanging punching mold tool according to claim 6, it is characterised in that the upper hole-flanging device also includes unloading block
With discharging spring, the upper surface of the hole flanging cavity plate is provided with ladder hole, and the upper end of the unloading block is provided with logical with the ladder
The flange platform that the step surface in hole is abutted, the upper end of the discharging spring is abutted with the upper bolster, the lower end of the discharging spring
The upper surface of flange platform described in face is abutted.
8. upper hole flanging punching mold tool according to claim 1, it is characterised in that the driver element also includes rotary sleeve,
The rotary sleeve is coated in the rotating shaft, and the outside of the rotary sleeve coordinates with the mounting hole.
9. upper hole flanging punching mold tool according to claim 1, it is characterised in that the bottom surface of the seesaw is provided with circular convex
Platform, the round boss and the mounting hole are concentric；
The driver element also includes rotating basis, and the rotating basis is fixedly installed on the support immediately below the seesaw
On, the rotating basis is provided with the slide guide face for the arcuation being slidably matched with the round boss.
10. upper hole flanging punching mold tool according to claim 9, it is characterised in that the slide guide face is provided with multiple equidistant
The first axial oil guide groove, the lateral surface of the sliding block is provided with multiple the second oil guide grooves intersected, first oil guide groove
Pasty lubricant is equipped with second oil guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525101.4A CN107052164A (en) | 2017-06-30 | 2017-06-30 | A kind of upper hole flanging punching mold tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525101.4A CN107052164A (en) | 2017-06-30 | 2017-06-30 | A kind of upper hole flanging punching mold tool |
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| Publication Number | Publication Date |
|---|---|
| CN107052164A true CN107052164A (en) | 2017-08-18 |
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ID=59613680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710525101.4A Pending CN107052164A (en) | 2017-06-30 | 2017-06-30 | A kind of upper hole flanging punching mold tool |
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| CN (1) | CN107052164A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108273914A (en) * | 2018-01-30 | 2018-07-13 | 武汉市华源达科技有限公司 | A kind of crank block deflecting reinforcement building mortion |
| CN109261773A (en) * | 2018-11-12 | 2019-01-25 | 富士瑞鹄技研（芜湖）有限公司 | A kind of car panel die hole flanging mechanism |
| CN110899518A (en) * | 2019-11-26 | 2020-03-24 | 奇瑞汽车股份有限公司 | Cold punching die storage limiting device and structure |
| CN112122443A (en) * | 2020-10-27 | 2020-12-25 | 格致汽车科技股份有限公司 | Stamping device for precisely positioning plate for half month |
| CN114160684A (en) * | 2021-10-19 | 2022-03-11 | 瑞鹄汽车模具股份有限公司 | Pull-back wedge forming mechanism of flanging die |
| CN115709244A (en) * | 2022-11-09 | 2023-02-24 | 珠海信城智能制造有限公司 | Level-to-level separation type forming die with automatic demolding function |
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| CN108273914A (en) * | 2018-01-30 | 2018-07-13 | 武汉市华源达科技有限公司 | A kind of crank block deflecting reinforcement building mortion |
| CN109261773A (en) * | 2018-11-12 | 2019-01-25 | 富士瑞鹄技研（芜湖）有限公司 | A kind of car panel die hole flanging mechanism |
| CN110899518A (en) * | 2019-11-26 | 2020-03-24 | 奇瑞汽车股份有限公司 | Cold punching die storage limiting device and structure |
| CN112122443A (en) * | 2020-10-27 | 2020-12-25 | 格致汽车科技股份有限公司 | Stamping device for precisely positioning plate for half month |
| CN114160684A (en) * | 2021-10-19 | 2022-03-11 | 瑞鹄汽车模具股份有限公司 | Pull-back wedge forming mechanism of flanging die |
| CN115709244A (en) * | 2022-11-09 | 2023-02-24 | 珠海信城智能制造有限公司 | Level-to-level separation type forming die with automatic demolding function |
| CN115709244B (en) * | 2022-11-09 | 2023-06-09 | 珠海信城智能制造有限公司 | Hierarchical separation type forming die with automatic demolding function |
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