CN103861958B - A kind of diel with bead and moulding process thereof - Google Patents
A kind of diel with bead and moulding process thereof Download PDFInfo
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- CN103861958B CN103861958B CN201410099008.8A CN201410099008A CN103861958B CN 103861958 B CN103861958 B CN 103861958B CN 201410099008 A CN201410099008 A CN 201410099008A CN 103861958 B CN103861958 B CN 103861958B
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- blank holder
- die
- movable brake
- bead
- brake beads
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Abstract
The invention discloses a kind of diel with bead and moulding process thereof, described diel includes upper bolster, die shoe, blank holder, die, punch, pneumatic jack bar and bead, described die is located on upper bolster, punch is located on die shoe, described pneumatic jack bar is located at below blank holder, described bead is movable brake beads, described movable brake beads slides in the chute being located on blank holder, die is provided with the hole corresponding with movable brake beads upper end, movable brake beads lower end is connected with drive block in chute, slide to be provided with in blank holder and connect post, connect post upper end relative with drive block in chute, connect post lower end and stretch out blank holder.In moulding process, the resistance that movable brake beads produces during plate forming changes from small to big, and being relatively fixed bead, to improve product arc wrinkling, anti-and rebound phenomena obvious, particularly improves anti-arc and rebound phenomena.
Description
Technical field
The present invention relates to Stamping Die Technology field, especially relate to a kind of there is rushing of bead
Compression mould and moulding process thereof.
Background technology
Along with the development of process industry, pursue product quality and saving manufacturing cost becomes enterprise
The two large problems that industry is rather concerned about.In Stamping Forming of Metal Sheets for Automobile field, different products is made
Stamping material influx produced by type is also different.If untreated and control, excessive
The material influx phenomenon such as punching press plate can be caused wrinkling, thus destroy punching press effect, impact
Complete vehicle quality.Especially to vehicle side, send out the plates such as lid, top cover and door-plate, be all kinds of automobiles
Most important stamping parts in outer covering piece, the height of its quality directly affects the attractive in appearance of automobile with
Security performance.
Mostly traditional mould is to be fixed with bead on die, is regulated by fixing bead
The flowing of material, thus reduce arc wrinkling, anti-and the bounce-back of plate.As it is shown in figure 5, recessed
Mould is provided with fixing bead 13, its operation principle: in the die sinking stage, die carries, punch
Motionless, blank holder is upwards ejected a stroke by pneumatic jack bar, now places the blanks on blank holder；
The matched moulds stage: die is driven downwards and closes with blank holder by lathe, carries out binder, then lathe
Again die is driven downwardly together with blank holder, closes with punch, complete draw forming process；
In whole forming process, pneumatic jack bar keeps blank holder active force upwards.
This kind of punching die structure, due to fixing bead, during plate forming, resistance is not
Becoming, though arc wrinkling, anti-and rebound phenomena can be improved, but effect is not the best.This fixing drawing
Muscle can not be adjusted fitting according to stamping material influx difference produced by different product moulding
Answering, and fixing bead is not easy to revise mould, bead is not easily repaired after damaging, and leads
Cause mould is scrapped, and reduces the mold use life-span, the manufacturing cost of the mould of increase.
Summary of the invention
Not enough for prior art, the technical problem to be solved is to provide one to be had
The diel of movable brake beads, its mould is easily repaired, and movable brake beads becomes at plate
Type process produces resistance change.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of diel with bead, including upper bolster, die shoe, blank holder, recessed
Mould, punch, pneumatic jack bar and bead, described die is located on upper bolster, and punch is located at down
On die holder, described pneumatic jack bar is located at below blank holder, and described bead is movable brake beads, institute
Stating movable brake beads to slide in the chute being located on blank holder, die is provided with and movable brake beads
The hole that upper end is corresponding, movable brake beads lower end is connected with drive block in chute, in blank holder
Slip is provided with and connects post, connects post upper end relative with drive block in chute, connects post lower end and stretches out flanging
Circle.
Described blank holder includes the blank holder body being enclosed within outside punch and is located at blank holder body
On blank holder upper plate, blank holder upper plate is concordant with blank holder body upper surface, and between leave
The space that movable brake beads is up and down.
The described post upper end that connects is provided with cushion block, male bottom or die shoe and is provided with and connects post lower end phase
To backing plate.
It is provided with pad between described drive block two edge and the edge of blank holder internal chute.
Described blank holder upper plate is detachably arranged on blank holder body.
A kind of moulding process utilizing the diel with bead described above is provided, makes to live
Dynamic bead produces resistance change in plate forming process, improves plate forming quality.Described one-tenth
Type technique comprises the following steps:
A, matched moulds stage:
1) pneumatic jack bar promotes blank holder to move upward, until blank holder chute edge and drive block
Lower contacts, now blank holder upper surface is higher than movable brake beads upper end；
2) under drive block effect, movable brake beads starts along with blank holder moves upwardly together,
Connecing post to move upward under blank holder drives, blank holder moves upward to top dead centre, and blank holder is high
In punch, put plate on blank holder；
3) die starts descending under the effect of upper bolster, coordinates with blank holder and pushes down plate one
Rising and move downward, movable brake beads moves downwardly together along with blank holder；
4) die continues traveling downwardly, and punch starts molding, connects post lower end dieback, makes activity drawing
Muscle stop move downward, blank holder continue descending under die effect, movable brake beads progressively from
Blank holder stretches out, participates in molding together with punch, until drawing and moulding terminates；
B, die sinking stage:
Upper bolster is up, and die lifts, and pneumatic jack bar terminates blank holder active force, and mould is replied
To original state, lower plate.
The present invention compared with prior art, has the advantage that
1, after movable brake beads damages, can be replaced, convenient to mould repair, extend
Mold use life-span, reduce die cost；
2, movable brake beads can according to stamping material influx produced by different product moulding not
With being adjusted adaptation, improve plate forming quality；
3, the resistance that movable brake beads produces during plate forming changes from small to big, the most solid
Determining bead, to improve product arc wrinkling, anti-and rebound phenomena obvious, particularly improves anti-arc and anti-
Play phenomenon.
Accompanying drawing explanation
Content expressed by width accompanying drawing each to this specification and the labelling in figure are made briefly below
Bright:
Fig. 1 is the diel sectional view that the present invention has bead.
Fig. 2 is enlarged diagram at A in Fig. 1.
Fig. 3 is blank holder of the present invention up starting stage schematic diagram one.
Fig. 4 is blank holder of the present invention up starting stage schematic diagram two.
Fig. 5 is existing drawing mold structure schematic diagram.
In figure: 1. upper bolster, 2. die, 3. punch, 4. blank holder, 5. pneumatic jack bar, 6. lower mold
Seat, 7. movable brake beads, 8. connect post, 9. blank holder upper plate, 10. drive block, 11. cushion blocks, 12.
Backing plate, 13. fix bead.
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, the detailed description of the invention to the present invention
It is described in further detail.
As shown in Figures 1 to 4, this has the diel of bead, including upper bolster 1,
Die shoe 6, blank holder 4, die 2, punch 3, pneumatic jack bar 5 and bead, wherein,
Die 2 is fixedly installed on below upper bolster 1, punch 3 be fixedly installed on above die shoe 6 with
Die 2 is corresponding, and pneumatic jack bar 5 lower end is fixed on die shoe and is positioned at below blank holder 4, gives
Blank holder 4 provides active force, blank holder to be located at outside punch, the upper surface of blank holder and die
Edge is corresponding.
Wherein, bead is movable brake beads 7, and movable brake beads 7 slides and is located at blank holder 4
In chute in, die 2 edge is provided with the hole corresponding with movable brake beads 7 upper end.?
During plate forming, movable brake beads 7 gradually plays molding effect, it is provided that lateral resistance by
Gradual change is big, is relatively fixed bead and improves product arc wrinkling, anti-and rebound phenomena is obvious, especially
It is to improve anti-arc and rebound phenomena.
Blank holder includes two parts, the blank holder body that is respectively enclosed within outside punch and be located at pressure
Blank holder upper plate 9 on flange body, blank holder upper plate 9 is concordant with blank holder body upper surface,
A blank holder upper plate part covers the intrinsic chute of blank holder, and above corresponding chute, blank holder is originally
There is between body and blank holder upper plate the space for placing movable brake beads 7, movable brake beads
Can move up and down in space.
Movable brake beads 7 lower end is connected with drive block in chute 10,10 liang of edge of drive block with
It is provided with pad between the edge of blank holder 4 internal chute, drive block can be driven by blank holder motion
Motion, and then drive the motion of piston bead.
In blank holder 4 corresponding chute be arranged right below through hole, connecing can in post 8 is located at through hole
Slide up and down, connect post 8 upper end stretch out from through hole be located at chute in corresponding with drive block 10,
And it is provided with cushion block 11 connecing post 8 upper end, connect post 8 upper end-face edge and be provided with spacing preiection, prevent
Connect post to skid off from through hole；Connect post 8 lower end and stretch out blank holder, under male bottom correspondence connects post
End is provided with backing plate 12, or dock mutually on die shoe post lower end be provided with backing plate can also.Pad
The optional rubber blanket of sheet, cushion block, backing plate, becomes by rigid contact into flexible contact, improves mould work
The stability made, reduces operating noise, after improving the working environment of workers, and damage, can enter
Row is changed, and extends die life.
Blank holder upper plate 9 is fixed on blank holder body by dormant bolt, dismantles more convenient,
After movable brake beads damages, dismounting and change can be carried out, mould is repaired, extend mould and make
With the life-span, reduce die cost.
Utilize the moulding process of the above-mentioned diel with bead, comprise the following steps:
A, matched moulds stage:
1) pneumatic jack bar promotes blank holder to move upward, until blank holder chute edge and drive block
Avris lower contacts, now blank holder upper surface is higher than movable brake beads upper end；
2) under drive block effect, movable brake beads starts along with blank holder moves upwardly together,
Connecing post to move upward under blank holder drives, blank holder moves upward to top dead centre, i.e. blank holder
Up range, blank holder is higher than punch, puts plate on blank holder；
3) die starts descending under the effect of upper bolster, coordinates with blank holder and pushes down plate one
Rising and move downward, movable brake beads moves downwardly together along with blank holder, during this, and pneumatic jack
Bar keeps the active force to blank holder；
4) die continues traveling downwardly, and punch starts molding, and the stroke moved downward when blank holder is also
Have a muscle height (muscle height refer to movable brake beads when the complete state of final molding, movable brake beads
Exceed the height of blank holder) time, die continues to move downward, and now connects post lower end contact backing plate,
Connecing capital and live drive block, so that movable brake beads stops moving downward, blank holder continues recessed
Under mould effect descending, movable brake beads progressively stretches out from blank holder, movable brake beads slowly from
Blank holder stretches out beginning and completes molding along with punch together, horizontal to plate of movable brake beads
Active force, increasing, until drawing and moulding terminates；
B, die sinking stage:
Upper bolster is up, and die lifts, and pneumatic jack bar terminates blank holder active force, and mould is replied
To original state, lower plate.
There is the diel of movable brake beads, be the invention through technical research Yu innovative design
Achievement, this kind of structure working principle is simple, novel；The compact in design of each parts, rational in infrastructure
With attractive in appearance, and do not increase die space, particular, it is important that relatively improve with front mold
Wrinkle, anti-arc are obvious with rebound phenomena, effectively change especially by the height controlling movable brake beads
The anti-arc of kind high-strength plate sidewall and rebound phenomena, can also increase the mold use life-span simultaneously, subtract
The manufacturing cost of few mould, is the most great innovation of Press Tools for Automobiles structure design.
Above in conjunction with accompanying drawing, the present invention is exemplarily described, it is clear that the present invention implements
It is not subject to the restrictions described above, as long as have employed the design of the present invention and technical scheme carries out
The improvement of various unsubstantialities, or the most improved design by the present invention and technical scheme directly should
For other occasion, all within protection scope of the present invention.
Claims (1)
1. there is a moulding process for the diel of bead, described in there is bead
Diel includes upper bolster, die shoe, blank holder, die, punch, pneumatic jack bar and draws
Prolonging muscle, described die is located on upper bolster, and punch is located on die shoe, and described pneumatic jack bar is located at
Below blank holder, described bead is movable brake beads, and described movable brake beads slides and is located at pressure
In chute on flange, die is provided with the hole corresponding with movable brake beads upper end, and activity is drawn
Prolonging muscle lower end to be connected with drive block in chute, sliding to be provided with in blank holder connects post, connects post upper end
In chute relative with drive block, connect post lower end and stretch out blank holder；Described blank holder includes being enclosed within
Blank holder body outside punch and the blank holder upper plate being located on blank holder body, on blank holder
Plate is concordant with blank holder body upper surface, and between leave the sky that movable brake beads is up and down
Gap；The described post upper end that connects is provided with cushion block, male bottom or die shoe and is provided with and connects post lower end phase
To backing plate；It is provided with pad between described drive block two edge and the edge of blank holder internal chute；
It is characterized in that:
Described moulding process comprises the following steps:
A, matched moulds stage:
1) pneumatic jack bar promotes blank holder to move upward, until blank holder chute edge and drive block
Lower contacts, now blank holder upper surface is higher than movable brake beads upper end；
2) under drive block effect, movable brake beads starts along with blank holder moves upwardly together,
Connecing post to move upward under blank holder drives, blank holder moves upward to top dead centre, and blank holder is high
In punch, put plate on blank holder；
3) die starts descending under the effect of upper bolster, coordinates with blank holder and pushes down plate one
Rising and move downward, movable brake beads moves downwardly together along with blank holder；
4) die continues traveling downwardly, and punch starts molding, connects post lower end dieback, makes activity drawing
Muscle stop move downward, blank holder continue descending under die effect, movable brake beads progressively from
Blank holder stretches out, participates in molding together with punch, until drawing and moulding terminates；
B, die sinking stage:
Upper bolster is up, and die lifts, and pneumatic jack bar terminates blank holder active force, and mould is replied
To original state, lower plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099008.8A CN103861958B (en) | 2014-03-15 | 2014-03-15 | A kind of diel with bead and moulding process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099008.8A CN103861958B (en) | 2014-03-15 | 2014-03-15 | A kind of diel with bead and moulding process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103861958A CN103861958A (en) | 2014-06-18 |
| CN103861958B true CN103861958B (en) | 2016-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410099008.8A Active CN103861958B (en) | 2014-03-15 | 2014-03-15 | A kind of diel with bead and moulding process thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN103861958B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104801610A (en) * | 2015-04-24 | 2015-07-29 | 富士瑞鹄技研（芜湖）有限公司 | Automobile covering element punching mold structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05212463A (en) * | 1992-02-05 | 1993-08-24 | Nippon Steel Corp | Device for forming metal sheet by using hydraulic pressure with metal die |
| CN202224531U (en) * | 2011-09-30 | 2012-05-23 | 联伟汽车零部件(重庆)有限公司 | Drawing die for processing parts made of high-tension material |
| CN202263837U (en) * | 2011-09-06 | 2012-06-06 | 浙江黄岩冲模厂 | Over-drawing die with movable drawing rib for high-strength plate |
| CN202479348U (en) * | 2011-12-29 | 2012-10-10 | 上海众大汽车配件有限公司 | Drawing die for top cover part of automobile |
| CN203356315U (en) * | 2013-06-28 | 2013-12-25 | 麦格纳技术与模具系统（天津）有限公司 | Movable draw bead assembly |
| CN203764801U (en) * | 2014-03-15 | 2014-08-13 | 富士瑞鹄技研（芜湖）有限公司 | Stamping die with drawing rib |
-
2014
- 2014-03-15 CN CN201410099008.8A patent/CN103861958B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05212463A (en) * | 1992-02-05 | 1993-08-24 | Nippon Steel Corp | Device for forming metal sheet by using hydraulic pressure with metal die |
| CN202263837U (en) * | 2011-09-06 | 2012-06-06 | 浙江黄岩冲模厂 | Over-drawing die with movable drawing rib for high-strength plate |
| CN202224531U (en) * | 2011-09-30 | 2012-05-23 | 联伟汽车零部件(重庆)有限公司 | Drawing die for processing parts made of high-tension material |
| CN202479348U (en) * | 2011-12-29 | 2012-10-10 | 上海众大汽车配件有限公司 | Drawing die for top cover part of automobile |
| CN203356315U (en) * | 2013-06-28 | 2013-12-25 | 麦格纳技术与模具系统（天津）有限公司 | Movable draw bead assembly |
| CN203764801U (en) * | 2014-03-15 | 2014-08-13 | 富士瑞鹄技研（芜湖）有限公司 | Stamping die with drawing rib |
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| Publication number | Publication date |
|---|---|
| CN103861958A (en) | 2014-06-18 |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220316 Address after: 241009 No. 22, Yinhu North Road, Wuhu District, China (Anhui) pilot Free Trade Zone, Wuhu City, Anhui Province Patentee after: RAYHOO MOTOR DIES CO.,LTD. Address before: 241009 No. 22, Yin Hu Bei Road, Wuhu economic and Technological Development Zone, Anhui Patentee before: Fuji Rayhoo Technology (Wuhu) Co.,Ltd. |
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| TR01 | Transfer of patent right |