CN103949549B - A kind of automobile first member plate hole flanging mold - Google Patents
A kind of automobile first member plate hole flanging mold Download PDFInfo
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- CN103949549B CN103949549B CN201410193844.2A CN201410193844A CN103949549B CN 103949549 B CN103949549 B CN 103949549B CN 201410193844 A CN201410193844 A CN 201410193844A CN 103949549 B CN103949549 B CN 103949549B
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Abstract
The present invention relates to a kind of automobile first member plate hole flanging mold, including upper die and lower die, lower mold includes lower bolster, screw, pin, lower bolster, No. two lower bolsters, lower stripper, Burring Punch, No. two Burring Punchs, No. two screws, contour screw, lower flexible member, No. three screws and alignment pin；Upper mold includes cope match-plate pattern, upper padding plate, No. two upper padding plates, hole flanging die, backing plate, No. two hole flanging dies, No. two pins, a loading and unloading material plate, a upper flexible member, No. two contour screws, No. four screws, No. three pins, No. two upper flexible members, No. three contour screws, No. two loading and unloading material plates, No. five screws, No. four pins, No. six screws and die plate insert.The present invention has reasonable in design, low cost of manufacture and facilitates the advantages such as manipulation, can once complete the hole flanging to multiple different directions holes and process, improve production efficiency, it is ensured that the Forming Quality of first member plate, shortens the process-cycle needed for hole flanging processes.
Description
Technical field
The present invention relates to auto-parts processing technique field, a kind of automobile first member plate plunging die
Tool.
Background technology
Man-hour is added at automobile first member plate hole flanging, due to the complexity of the structure of first member plate, the hole on first member plate
Hole flanging direction is different, brings certain trouble to the manufacturing of mould, traditional first member plate hole flanging mold by
Unreasonable in structure design, the hole flanging being once merely able to realize unidirectional hole processes, in order to realize first member plate
The hole flanging in upper different directions hole processes, then need multiple mould hole flanging repeatedly, add the cost of equipment,
Not only complex operation, needs handling repeatedly, inefficient, and repeatedly piece installing can produce alignment error,
Have influence on the formed precision that first member plate is final.
Summary of the invention
The technical problem to be solved be to provide a kind of reasonable in design, low cost of manufacture,
Convenient manipulation, can once complete the device that the hole flanging to multiple different directions holes processes, i.e. a kind of automobile is left
End plate hole flanging mold.
The technical problem to be solved realizes by the following technical solutions:
A kind of automobile first member plate hole flanging mold, including upper die and lower die, described lower mold include lower bolster, No. one
Screw, pin, lower bolster, No. two lower bolsters, lower stripper, Burring Punch, No. two
Burring Punch, No. two screws, contour screw, lower flexible member, No. three screws and alignment pin.
The right part of described lower bolster is provided with one number service hole.
A described lower bolster at No. two between lower bolster and lower bolster, a described lower bolster, under No. two
The left part correspondence of backing plate is connected with the upper left quarter of lower bolster by screw, a pin.
Described lower flexible member is embedded in the middle and upper part of lower bolster, the middle part of a lower bolster, No. two lower bolsters
Middle part.
Described lower stripper is positioned in the middle part of the top of No. two lower bolsters, and the lower end of lower stripper and is pressed in lower elasticity
The upper end of element, the right-hand member of described lower stripper by contour screw and lower bolster, lower bolster,
No. two lower bolsters are flexibly connected；
The afterbody of a described contour screw is threaded connection with lower stripper, in a described contour screw
A lower bolster, No. two lower bolsters are run through in portion, and the head of a described contour screw is positioned at No. of lower bolster
In through hole.
The bottom of a described Burring Punch is fastened on the right side of the middle part of a lower bolster by No. three screws, institute
The middle part stating a Burring Punch is run through on the right side of the middle part of No. two lower bolsters, lower stripper, a described hole flanging
The top of punch is beyond upper surface on the right side of the middle part of lower stripper.
Described alignment pin is inserted in the top of a Burring Punch.
The left part of described lower stripper is provided with protrusion.
No. two lower bolsters, protrusions are run through in the middle part of described No. two Burring Punchs, described No. two Burring Punchs
Bottom is connected by No. two screws and a lower bolster, and the upper end of described No. two Burring Punchs is beyond protrusion
Upper surface, the described upper end of No. two Burring Punchs and the corner of surrounding are equipped with round-corner transition, design circle
Angle transition can facilitate hole flanging to process, and first member plate will not be caused damage, and No. two Burring Punchs are in order to a left side
The hole punching press of flanging upward hole is needed, it is achieved flanging upward hole processes on end plate.
Described upper mold include cope match-plate pattern, upper padding plate, No. two upper padding plates, hole flanging die, backing plate,
No. two hole flanging dies, No. two pins, loading and unloading material plate, upper flexible member, No. two contour screws,
No. four screws, No. three pins, No. two upper flexible members, No. three contour screws, No. two loading and unloading material plates, No. five
Screw, No. four pins, No. six screws and die plate insert.
Described die plate insert is arranged round a Burring Punch, and the upper end of described die plate insert is all turned over No. two
Hole die is connected.
The right part of described cope match-plate pattern is provided with No. two through holes, with on the cope match-plate pattern of described die plate insert corresponding section
All offer No. three through holes.
A described upper padding plate at No. two between upper padding plate and cope match-plate pattern, a described upper padding plate, on No. two
The left part of backing plate is all fastened on the lower section of cope match-plate pattern by No. two pins, No. six screws.
A described hole flanging die is fixed on the downside of the left part of No. two upper padding plates by No. five screws, No. four pins,
The bottom of a described hole flanging die cooperates with protrusion.
Described backing plate, No. two hole flanging dies are positioned on the downside of the right part of No. two upper padding plates, and described backing plate is positioned at No. two
Between hole flanging die and No. two upper padding plates, and backing plate, No. two hole flanging dies are by No. four screws, No. three pins
Being connected with No. two upper padding plates, on the right side of the bottom of described No. two hole flanging dies and the middle part of lower stripper, upper surface is joined
Close.
A described upper flexible member is arranged on the downside of the right part of a upper padding plate embeddedly, and a upper bullet
Property element middle part run through No. two upper padding plates, the lower end of a described upper flexible member and a loading and unloading material plate
Top is connected, and a described loading and unloading material plate is positioned at the top of alignment pin.
The head of described No. two contour screws is positioned at No. two through holes, and the middle part of described No. two contour screws is run through
A number upper flexible member, the afterbody of described No. two contour screws and the middle part of a loading and unloading material plate are by screw thread even
Connect.
The head of described No. three contour screws is positioned at No. three through holes, and the middle part of described No. three contour screws is all passed through
Wearing No. two upper flexible members, the afterbody of described No. three contour screws is all threaded connection with No. two loading and unloading material plates,
Described No. two loading and unloading material plates are positioned at the inside of a hole flanging die, the upper end of described No. two loading and unloading material plates and No. two
The lower end of upper flexible member is connected, and described No. two loading and unloading material plates and No. two Burring Punchs are corresponding, described No. two
The upper end of upper flexible member is embedded in the inside of a upper padding plate.
Described lower flexible member, a upper flexible member and No. two upper flexible members are red spring, are closing
During mould, red spring is compressed, after hole flanging is disposed, at the work of elastic restoring force of red spring during die sinking
Making lower stripper move upward under with, loading and unloading material plate, No. two loading and unloading material plates move downward, thus will turn over
First member plate after hole processes departs from from upper die and lower die, it is achieved that automatically take off part, shortens hole flanging and processes institute
The process-cycle needed, further improve production efficiency.
It is protruding that the lower end of described die plate insert is provided with hole flanging, and the quantity of described die plate insert is 3, and utilization is turned over
Hole is protruding can need the hole of downward hole flanging to carry out punching press on first member plate three simultaneously, it is achieved downwards at hole flanging
Reason, to improve the efficiency that hole flanging processes.
The invention has the beneficial effects as follows: the present invention has reasonable in design, low cost of manufacture and convenient manipulation
Etc. advantage, can once complete the hole flanging to multiple different directions holes and process, improve production efficiency, it is to avoid
The installation position error that traditional mould multiple clamping the is brought impact on the formed precision of first member plate, it is ensured that
The Forming Quality of first member plate, and it is capable of automatically taking off part, shorten the process-cycle needed for hole flanging processes.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the main TV structure schematic diagram of the present invention；
Fig. 2 is the left view structural representation of the present invention；
Fig. 3 is the lower bolster of the present invention, lower stripper, a Burring Punch, No. two Burring Punchs and female die embedding
The plan structure schematic diagram of block arrangement；
Fig. 4 is the structural representation of a hole flanging die of the present invention；
Fig. 5 is No. two hole flanging dies structural representation with die plate insert installation of the present invention；
Fig. 6 is the perspective view of No. two Burring Punchs of the present invention；
Fig. 7 is the structural representation of the die plate insert of the present invention；
Fig. 8 is the perspective view of first member plate.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect,
Below the present invention is expanded on further.
As shown in Figures 1 to 8, a kind of automobile first member plate hole flanging mold, including upper die and lower die, described lower mold
Including 27, pin of 1, screw of lower bolster 28, lower bolster 2, No. two lower bolsters 3, lower dischargings
5, No. two Burring Punchs of 4, Burring Punch of plate 23, No. two screws 24, contour screw 25, a lower bullet
Property 26, No. three screws 30 of element and alignment pin 31.
The right part of described lower bolster 1 is provided with one number service hole 1a.
A described lower bolster 2 between No. two lower bolsters 3 and lower bolster 1, a described lower bolster 2, two
The left part correspondence of number lower bolster 3 is connected with the upper left quarter of lower bolster 1 by 27, pin 28 of a screw.
Described lower flexible member 26 be embedded in the middle and upper part of lower bolster 1, the middle part of a lower bolster 2, under No. two
The middle part of backing plate 3.
Described lower stripper 4 is positioned in the middle part of the top of No. two lower bolsters 3, and the lower end of lower stripper 4 and is pressed in lower bullet
Property element 26 upper end, the right-hand member of described lower stripper 4 is by a contour screw 25 and lower bolster 1,
2, No. two lower bolsters 3 of lower bolster are flexibly connected；
The afterbody of a described contour screw 25 is threaded connection with lower stripper 4, a described contour screw
Running through 2, No. two lower bolsters 3 of a lower bolster in the middle part of in the of 25, the head of a described contour screw 25 is positioned at lower mold
In the one number service hole 1a of plate 1.
The middle part that the bottom of a described Burring Punch 5 is fastened on a lower bolster 2 by No. three screws 30 is right
Side, the middle part of a described Burring Punch 5 is run through on the right side of the middle part of No. two lower bolsters 3, lower stripper 4, described
The top of a number Burring Punch 5 is beyond upper surface on the right side of the middle part of lower stripper 4, and a Burring Punch 5 is in order to right
Hole 33c in the middle part of first member plate carries out hole flanging upwards and processes.
Described alignment pin 31 is inserted in the top of a Burring Punch 5.
The left part of described lower stripper 4 is provided with protrusion 4a, protrusion 4a can be with the grand limit on first member plate 33
The appearance profile of 33d adapts.
No. two lower bolsters 3, protrusion 4a are run through in the middle part of described No. two Burring Punchs 23, and described No. two hole flangings are convex
The bottom of mould 23 is connected by No. two screws 24 and a lower bolster 2, and the upper end of described No. two Burring Punchs 23 surpasses
Going out the upper surface of protrusion 4a, the described upper end of No. two Burring Punchs 23 and the corner of surrounding are equipped with circle
Angle transition, design round-corner transition can facilitate hole flanging to process, and first member plate 33 will not be caused damage, No. two
Burring Punch 23 is in order to the hole 33a punching press needing flanging upward hole on first member plate 33, it is achieved flanging upward hole processes.
Described upper mold includes 6, upper padding plate of cope match-plate pattern, 8, hole flanging die 9 of 7, No. two upper padding plates, pad
The upper flexible member 14 of 10, No. two hole flanging dies of plate, 12, loading and unloading material plate of 11, No. two pins 13,
Upper 18, No. three contour spiral shells of flexible member of No. two contour screws 16, No. three pins of 15, No. four screws 17, two
Silk 20, No. five screws of 19, No. two loading and unloading material plates, 22, No. six screws 29 of 21, No. four pins and die plate insert 32.
Described die plate insert 32 is arranged round a Burring Punch 5, and the upper end of described die plate insert 32 is all with two
Number hole flanging die 11 is connected.
The right part of described cope match-plate pattern 6 is provided with No. two through hole 6a, in the upper mold with described die plate insert 32 corresponding section
No. three through hole 6b are all offered on plate 6.
A described upper padding plate 7 between No. two upper padding plates 8 and cope match-plate pattern 6, a described upper padding plate 7, two
The left part of number upper padding plate 8 is all fastened on the lower section of cope match-plate pattern 6 by 12, No. six screws 29 of No. two pins.
A described hole flanging die 9 is fixed on a left side for No. two upper padding plates 8 by 21, No. four pins 22 of No. five screws
Subordinate side, the bottom of a described hole flanging die 9 cooperates with protrusion 4a.
10, No. two hole flanging dies 11 of described backing plate are positioned on the downside of the right part of No. two upper padding plates 8,10, described backing plate
Between No. two hole flanging dies 11 and No. two upper padding plates 8, and 10, No. two hole flanging dies of backing plate 11 are by No. four spiral shells
Follow closely 16, No. three pins 17 to be connected with No. two upper padding plates 8, the bottom of described No. two hole flanging dies 11 and lower stripper
On the right side of the middle part of 4, upper surface coordinates.
A described upper flexible member 14 is arranged on the downside of the right part of a upper padding plate 7 embeddedly, and on No. one
No. two upper padding plates 8 are run through at the middle part of flexible member 14, and the lower end of a described upper flexible member 14 is unloaded on No. one
The top of flitch 13 is connected, and a described loading and unloading material plate 13 is positioned at the top of alignment pin 31.
The head of described No. two contour screws 15 is positioned at No. two through hole 6a, in described No. two contour screws 15
A upper flexible member 14 is run through in portion, in the afterbody of described No. two contour screws 15 and a loading and unloading material plate 13
Portion is threaded connection.
The head of described No. three contour screws 19 is positioned at No. three through hole 6b, in described No. three contour screws 19
No. two upper flexible members 18 are all run through in portion, the afterbody of described No. three contour screws 19 all with No. two loading and unloading material plates 20
Being threaded connection, described No. two loading and unloading material plates 20 are positioned at the inside of a hole flanging die 9, and described No. two are unloaded
The upper end of flitch 20 is connected with the lower end of No. two upper flexible members 18, and described No. two loading and unloading material plates 20 turn over No. two
Hole punch 23 is corresponding, and the upper end of described No. two upper flexible members 18 is embedded in the inside of a upper padding plate 7.
The upper flexible member 14 of described lower flexible member 26, one and No. two upper flexible members 18 are red spring,
When matched moulds, red spring is compressed, after hole flanging is disposed, in the elastic restoring force of red spring during die sinking
Effect under make lower stripper 4 move upward, 13, No. two loading and unloading material plates 20 of a loading and unloading material plate move downward,
Thus the first member plate after being processed by hole flanging departs from from upper die and lower die, it is achieved that automatically take off part, shorten and turn over
Process-cycle needed for the process of hole, further improve production efficiency.
The lower end of described die plate insert 32 is provided with hole flanging projection 32a, and the quantity of described die plate insert 32 is 3,
Utilize hole flanging projection 32a the hole of downward hole flanging 33b can be needed to carry out punching press on first member plate three simultaneously, real
Now hole flanging processes downwards, to improve the efficiency that hole flanging processes.
During actually used, first by treating that the first member plate 33 that hole flanging processes is placed in lower mold, adjust
Behind position, matched moulds, upper flexible member 14 of flexible member 26, one and No. two upper flexible members 18 exist at present for these
Compressed under the effect of extraneous extruding force, utilize hole flanging projection 32a of die plate insert 32 to move downward and make left end
3 downward hole-crimped forming of hole 33b on plate 33, utilize a Burring Punch 5 make hole 33c on first member plate 33 to
Upper hole-crimped forming, utilizes No. two Burring Punchs 23 to make the hole 33a flanging upward hole molding on first member plate 33, the most only needs
One time hole-crimped forming processes；Die sinking is carried out, during die sinking, originally after first member plate 33 hole-crimped forming
The upper flexible member 18 of the upper flexible member 14, two of the lower flexible member compressed 26, starts at spring extensive
Under the effect of multiple power, correspondence promotes lower stripper 13, No. two loading and unloading material plates 20 of 4, loading and unloading material plate respectively, makes
First member plate 33 departs from from upper die and lower die, provides conveniently for operator.
The downward hole flanging of hole 33b on first member plate 33 can disposably be processed, to hole 33a, 33c upwards by the present invention
Hole flanging processes, and has the advantage that compared with traditional first member plate 33 hole flanging mold
1) impact on the formed precision of first member plate 33 of installation position error that multiple clamping brings is avoided, really
Protect the Forming Quality of first member plate 33；
2) reduce the cost of equipment, only need one can realize hole flanging and process；
3) hole flanging once realizing multiple hole processes, and improves the efficiency that hole flanging processes, and shortens hole flanging processing
The required cycle；
4) de-part can be automatically obtained, it is simple to the operation of operator.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The industry
Skilled person will appreciate that, the present invention is not restricted to the described embodiments, in above-described embodiment and description
The principle of the simply present invention described, without departing from the spirit and scope of the present invention, the present invention also can
Having various changes and modifications, these changes and improvements both fall within scope of the claimed invention.The present invention
Claimed scope is defined by appending claims and equivalent thereof.
Claims (6)
1. an automobile first member plate hole flanging mold, including upper die and lower die, it is characterised in that: described lower mold bag
Include lower bolster (1), screw (27), pin (28), lower bolster (2), No. two underlays
Plate (3), lower stripper (4), Burring Punch (5), No. two Burring Punchs (23), No. two screws (24),
Number contour screw (25), lower flexible member (26), No. three screws (30) and alignment pin (31)；
The right part of described lower bolster (1) is provided with one number service hole (1a)；
A described lower bolster (2) is positioned between No. two lower bolsters (3) and lower bolster (1), described No. one
Lower bolster (2), the left part correspondence of No. two lower bolsters (3) pass through screw (27), a pin (28)
It is connected with the upper left quarter of lower bolster (1)；
Described lower flexible member (26) is embedded in the middle and upper part of lower bolster (1), a lower bolster (2)
Middle part, the middle part of No. two lower bolsters (3)；
Described lower stripper (4) is positioned at the top of No. two lower bolsters (3), and the lower end of lower stripper (4)
Middle part is pressed in the upper end of lower flexible member (26), and the right-hand member of described lower stripper (4) passes through a contour spiral shell
Silk (25) is flexibly connected with lower bolster (1), lower bolster (2), No. two lower bolsters (3)；
The afterbody of a described contour screw (25) is threaded connection with lower stripper (4), described No. one
A lower bolster (2), No. two lower bolsters (3), a described contour spiral shell are run through in contour screw (25) middle part
The head of silk (25) is positioned at the one number service hole (1a) of lower bolster (1)；
The bottom of a described Burring Punch (5) is fastened on a lower bolster (2) by No. three screws (30)
Middle part on the right side of, No. two lower bolsters (3), lower stripper (4) are run through in the middle part of a described Burring Punch (5)
Middle part on the right side of, the top of a described Burring Punch (5) beyond lower stripper (4) middle part on the right side of on
Surface；
Described alignment pin (31) is inserted in the top of a Burring Punch (5)；
The left part of described lower stripper (4) is provided with protrusion (4a)；
No. two lower bolsters (3), protrusion (4a) are run through in the middle part of described No. two Burring Punchs (23), described
The bottom of No. two Burring Punchs (23) is connected with a lower bolster (2) by No. two screws (24)；
Described upper mold includes cope match-plate pattern (6), upper padding plate (7), No. two upper padding plates (8), hole flangings
Die (9), backing plate (10), No. two hole flanging dies (11), No. two pins (12), loading and unloading material plate (13),
Number upper flexible member (14), No. two contour screws (15), No. four screws (16), No. three pins (17),
No. two upper flexible members (18), No. three contour screws (19), No. two loading and unloading material plates (20), No. five screws (21),
No. four pins (22), No. six screws (29) and die plate insert (32)；
Described die plate insert (32) is arranged round a Burring Punch (5), described die plate insert (32)
Upper end all with No. two hole flanging dies (11) be connected；
The right part of described cope match-plate pattern (6) is provided with No. two through holes (6a), with described die plate insert (32) phase
No. three through holes (6b) are all offered on the cope match-plate pattern (6) of corresponding position；
A described upper padding plate (7) is positioned between No. two upper padding plates (8) and cope match-plate pattern (6), described No. one
Upper padding plate (7), No. two upper padding plates (8) left part all by No. two pins (12), No. six screws (29)
It is fastened on the lower section of cope match-plate pattern (6)；
A described hole flanging die (9) is fixed on No. two by No. five screws (21), No. four pins (22)
On the downside of the left part of upper padding plate (8)；
Described backing plate (10), No. two hole flanging dies (11) are positioned on the downside of the right part of No. two upper padding plates (8),
Described backing plate (10) is positioned between No. two hole flanging dies (11) and No. two upper padding plates (8), and backing plate (10),
No. two hole flanging dies (11) are by No. four screws (16), No. three pins (17) and No. two upper padding plates (8)
It is connected；
A described upper flexible member (14) is arranged on the downside of the right part of a upper padding plate (7) embeddedly,
And No. two upper padding plates (8), a described upper flexible member (14) are run through in the middle part of flexible member (14) on No. one
Lower end be connected with the top of a loading and unloading material plate (13), a described loading and unloading material plate (13) is positioned at location
The top of pin (31)；
The head of described No. two contour screws (15) is positioned at No. two through holes (6a), described No. two contour spiral shells
A upper flexible member (14) is run through at the middle part of silk (15), the afterbody of described No. two contour screws (15) with
The middle part of a number loading and unloading material plate (13) is threaded connection；
The head of described No. three contour screws (19) is positioned at No. three through holes (6b), described No. three contour spiral shells
No. two upper flexible members (18), the afterbody of described No. three contour screws (19) are all run through in the middle part of silk (19)
All being threaded connection with No. two loading and unloading material plates (20), described No. two loading and unloading material plates (20) are positioned at No. one and turn over
The inside of hole die (9), the upper end of described No. two loading and unloading material plates (20) and No. two upper flexible members (18)
Lower end be connected, described No. two loading and unloading material plates (20) are corresponding with No. two Burring Punchs (23), described two
On number, the upper end of flexible member (18) is embedded in the inside of a upper padding plate (7).
A kind of automobile first member plate hole flanging mold the most according to claim 1, it is characterised in that: described
Lower flexible member (26), a upper flexible member (14) and No. two upper flexible members (18) are red spring.
A kind of automobile first member plate hole flanging mold the most according to claim 1, it is characterised in that: described
It is protruding (32a) that the lower end of die plate insert (32) is provided with hole flanging, and the quantity of described die plate insert (32) is 3.
A kind of automobile first member plate hole flanging mold the most according to claim 1, it is characterised in that: described two
The upper end of number Burring Punch (23) is beyond the upper surface of protrusion (4a), described No. two Burring Punchs (23)
Upper end and the corner of surrounding be equipped with round-corner transition.
A kind of automobile first member plate hole flanging mold the most according to claim 1, it is characterised in that: described one
The bottom of number hole flanging die (9) cooperates with protrusion (4a).
A kind of automobile first member plate hole flanging mold the most according to claim 1, it is characterised in that: described two
The bottom of number hole flanging die (11) coordinates with upper surface on the right side of the middle part of lower stripper (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410193844.2A CN103949549B (en) | 2014-05-08 | 2014-05-08 | A kind of automobile first member plate hole flanging mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410193844.2A CN103949549B (en) | 2014-05-08 | 2014-05-08 | A kind of automobile first member plate hole flanging mold |
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| Publication Number | Publication Date |
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| CN103949549A CN103949549A (en) | 2014-07-30 |
| CN103949549B true CN103949549B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410193844.2A Active CN103949549B (en) | 2014-05-08 | 2014-05-08 | A kind of automobile first member plate hole flanging mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106475465A (en) * | 2016-09-30 | 2017-03-08 | 安徽江淮汽车集团股份有限公司 | A kind of burring hole forming die |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5600992A (en) * | 1994-02-10 | 1997-02-11 | Hidaka Seiki Kabushiki Kaisha | Die set |
| JP2003103322A (en) * | 2001-09-26 | 2003-04-08 | Seiko Epson Corp | Method and structure for installing set post for press die, and press die |
| US7100417B2 (en) * | 2003-11-13 | 2006-09-05 | Kubota Iron Works Co., Ltd. | Lower die assembly in pressing machine |
| CN2832345Y (en) * | 2005-11-04 | 2006-11-01 | 江苏金方圆数控机床有限公司 | Composite die of digital control turret punch for punching stretching |
| CN201776352U (en) * | 2010-07-26 | 2011-03-30 | 芜湖市建鑫汽车零部件有限责任公司 | Die for edge cutting, hole punching, hole flanging, blanking and edge folding of side bracket of automobile water tank |
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