CN201346595Y - Composite cold-punching mould - Google Patents
Composite cold-punching mould Download PDFInfo
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- CN201346595Y CN201346595Y CNU2008202170878U CN200820217087U CN201346595Y CN 201346595 Y CN201346595 Y CN 201346595Y CN U2008202170878 U CNU2008202170878 U CN U2008202170878U CN 200820217087 U CN200820217087 U CN 200820217087U CN 201346595 Y CN201346595 Y CN 201346595Y
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- 238000004080 punching Methods 0.000 title claims abstract description 64
- 239000002131 composite material Substances 0.000 title abstract description 8
- 150000001875 compounds Chemical class 0.000 claims description 30
- 239000002699 waste material Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 8
- 239000011159 matrix material Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 21
- 230000008569 process Effects 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 4
- 230000007306 turnover Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
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Abstract
The utility model discloses a composite cold-punching mould, which comprises an upper mould and a lower mould, wherein an upper template (7) and an upper backing plate (24) are arranged in the upper mould, a lower template (1) and a lower backing plate (15) are arranged in the lower mould, the composite cold-punching mould is provided with a composite stamping structure of a stamping part which completes blanking, stretching and punching in one number of punching. By adopting the above technical proposal, an automobile structure part can achieve the blanking, the stretching and the punching in a set of composite moulds, and automatically pushes materials and head parts during the process, which leads products to be taken out more conveniently. Compared with the prior art, the composite cold-punching mould reduces the development cost of dies, increases the production efficiency and reduces the transport process of the dies, thereby reducing the production cycle of a single vehicle, and guaranteeing the relative position accuracy of each structure simultaneously, reducing the cost of blanking dies in a normal process, reducing the cycle of turnover of the dies, and being capable of increasing the production efficiency of the single vehicle.
Description
Technical field
The utility model belongs to the technical field of pressure technological equipment for making, relates to the cold punching die structure in this field, especially a kind of compound cold-punching mould that is used for blanking, stretching and the punching of body of a motor car stamping parts.
Background technology
Automotive body structure spare occupies big extremely ratio in Auto-body Panel.Though body structural member does not have the covering component structure complexity, the overall quantity of mould that is used to make body structural member is a lot, needs to drop into great amount of manpower and material resources, financial resources.
At present, be according to general automobile structure panel beating molding procedure: first punching blanking, carry out stretch forming again.Need two molds, carry out stamping-out twice.
Above-mentioned processing technology and the diel of being adopted thereof not only reduce working (machining) efficiency, increase the turnover operation, have prolonged the bicycle production cycle, have more increased bicycle mould development manufacturing cost.
The utility model content
Problem to be solved in the utility model provides a kind of compound cold-punching mould structure, its objective is in a jig frequency, finishes blanking, stretching and the punching of body of a motor car stamping parts, enhances productivity.
To achieve these goals, the technical scheme taked of the utility model is:
This compound cold-punching mould provided by the utility model, comprise upper die and lower die, establish cope match-plate pattern and upper padding plate in the described patrix, set template and lower bolster in the counterdie, described compound cold-punching mould is provided with the compound punching structure that blanking, stretching and the punching of stamping parts are finished in a jig frequency.
For making the utility model more perfect, more detailed and concrete technical scheme below also further having proposed, to obtain best practical function, realize goal of the invention better, and improve novelty of the present utility model and creativeness:
The compound punching structure of the blanking described in the technique scheme, stretching and punching is:
Establish the drift that punch-die, punching are used in the patrix described in the utility model; Described drift is located in the cavity of punch-die; Establish blanking die, stretching convex die in the described counterdie; During in closure, the periphery cutting edge of described punch-die and the cavity cutting edge of described blanking die form stamping parts profile stamping-out and cooperate at described compound cold-punching mould; The part of the end of described stretching convex die extend in the matrix of punch-die, and the working port of the matrix of described stretching convex die work end and punch-die forms the cooperation to the stamping parts sheet metal stretching.
On the stretching convex die described in the utility model, establish the through-hole structure that is used for punching, the top of this structure cooperates with described drift, forms the structure that stamping parts is carried out punching, and the bottom of described through-hole structure is for discharging the structure of waste material.
The above-described through-hole structure that is used for punching on described stretching convex die, is established die plate insert, and forms cooperating of punching with described drift.
Pneumatic liftout structure of the present utility model: set holding pad between described blanking die and the stretching convex die; In described counterdie, establish pneumatic liftout structure, described holding pad is down compressed and is promoted by described pneumatic liftout structure; Described pneumatic liftout structure is established pneumatic push rod, top board, air cushion extension bar, promotes top board by described pneumatic push rod, promotes the air cushion extension bar by described top board again, and described air cushion extension bar promotes described holding pad down.
In described counterdie, if base plate, described base plate is below described lower bolster, and it is parallel and separated by a distance with described lower bolster, establish parallels between described base plate and the lower bolster, base plate and lower bolster are fastenedly connected, and described top board is located in the neutral gear between base plate and the lower bolster.
Above-described air cushion extension bar passes described lower bolster from through hole; Described pneumatic push rod passes described base plate from through hole.
On cope match-plate pattern described in the utility model or the lower bolster, be provided with lifting bolt; Perhaps described cope match-plate pattern and lower bolster are provided with lifting bolt.
The utility model is positioned at the position below the drift in described counterdie, establish the waste material box that is used to collect punched scrap.
The utility model adopts technique scheme, makes automobile structure realize blanking, stretching, punching in a cover compound die, and automatic pusher, head part in this process, makes the convenient taking-up of product.Compared with prior art, reduce the mould development cost, enhanced productivity, reduced mould transhipment operation, thereby reduced the bicycle production cycle, guaranteed the relative positional accuracy of each structure simultaneously.Thereby reduced the blanking die cost in the conventional operation, and reduced the mould turn around time and can improve bicycle production efficiency.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification and the mark among the figure are briefly explained:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the schematic diagram of the side surface direction of structure shown in Figure 1.
Be labeled as among the figure:
1, lower bolster, 2, the counterdie fixed head, 3, receptacle, 4, chain, 5, stop, 6, blanking die, 7, cope match-plate pattern, 8, last holding pad discharging spring, 9, last holding pad screw, 10, connecting plate, 11, guide pin bushing, 12, guide pillar, 13, following holding pad, 14, stretching convex die, 15, lower bolster, 16, the air cushion extension bar, 17, top board, 18, base plate, 19, parallels, 20, middle backing plate, 21, the guide pin, 22, last holding pad, 23, the punch-die fixed head, 24, upper padding plate, 25, lifting bolt, 26, punch-die, 27, the guide pin bushing fixed head, 28, little stripper bolt, 29, drift, 30, the drift fixed head, 31, little stripper spring, 32, little stripper, 33, die plate insert, 34, the waste material box, 35, ejecting rod of cylinder.
The specific embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and operation principle, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present utility model, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
As the expressed structure of the present utility model of Fig. 1, Fig. 2 is a kind of compound cold-punching mould, comprises upper die and lower die, establishes cope match-plate pattern 7 and upper padding plate 24 in the described patrix, sets template 1 and lower bolster 15 in the counterdie.On described cope match-plate pattern 7 or lower bolster 1, be provided with lifting bolt 25; Perhaps described cope match-plate pattern 7 and lower bolster 1 are provided with lifting bolt 25.The effect of lifting bolt 25 is when mould lifting is carried, and is used for hook and extracts.
By guide pillar 12, guide pin bushing 11 structure directings, two guide pillars 12 are fastenedly connected on lower bolster 1 between the upper and lower mould, and two guide pin bushings 11 are fixed on the cope match-plate pattern 7 by guide pin bushing fixed head 27.
When mould is stopped using, with upper and lower mould closure, link together by connecting plate 10 between the upper and lower mould, prevent from that it from unclamping to cause mould damage.The two ends of connecting plate 10 are fixed on cope match-plate pattern 7 and the lower bolster 1 with trip bolt respectively.
On connecting plate 10, establish receptacle 3, be used for when mould is stopped using, depositing correlative and use.For example exemplar, mould data etc.Receptacle 3 usefulness chains 4 are connected with guide pillar 12.On guide pillar 12, establish stop 5.
In order to solve the problem that exists at the described present known technology of this specification background technology part and to overcome its defective, be implemented in the jig frequency, finish blanking, stretching and the punching of body of a motor car stamping parts, enhance productivity, and guarantee the goal of the invention of relative positional accuracy, the technical scheme that the utility model is taked is:
As shown in Figure 1 and Figure 2, the utility model this compound cold-punching mould provided by the utility model is provided with the compound punching structure that blanking, stretching and the punching of stamping parts are finished in a jig frequency.
Adopt said structure, make automobile structure realize blanking, stretching, punching in a cover compound die, and realize automatic pusher, head part in this process, make the convenient taking-up of stamping parts, waste material is discharged more easily.Thereby reduced the cost of diel, and shortened die manufacturing cycle, improved production efficiency.
The compound punching structure of the blanking described in the technique scheme, stretching and punching is:
Establish the drift 29 that punch-die 26, punching are used in the above-described patrix; Described drift 29 is located in the cavity of punch-die 26; Establish blanking die 6, stretching convex die 14 in the described counterdie; The blanking cutting edge mainly is arranged on blanking die 6 and the punch-die 26.During in closure, the periphery cutting edge of described punch-die 26 and the cavity cutting edge of described blanking die 6 form stamping parts profile stamping-out and cooperate at described compound cold-punching mould; The part of the end of described stretching convex die 14 extend in the matrix of punch-die 26, and the working port of the matrix of described stretching convex die 14 work ends and punch-die 26 forms the cooperation to the stamping parts sheet metal stretching.
Patrix of the present utility model is mainly formed structure:
Above-describedly be used for punch-die 26 Workpiece shaping, that have the die cavity that forms workpiece profile and intermediate projections shape; Described punch-die 26 is fixed on upper padding plate 24 by punch-die fixed head 23; The periphery setting of described punch-die 26 up and down relative motion on holding pad 22, described lower surface of going up holding pad 22 contacts with stamping parts; The position of last holding pad 22 above vertically be provided with provide holding pad 22 stripping forces on holding pad discharging spring 8, last holding pad 22 plays the effect of binder and discharging respectively under the effect of last holding pad discharging spring 8 in motion process; Last holding pad 22 vertical direction be provided with play holding pad 22 motion guides and position-limiting action on holding pad screw 9, the described holding pad screw 9 of going up is connected with last holding pad 22 screw threads for fastening; When patrix was up, last holding pad discharging spring 8 provided stripping force that holding pad 22 is pressed down the blanking waste material is released punch-die 26.Piercing punch is the die cavity inside that drift 29, little stripper 32 mainly are positioned at punch-die 26, and described drift 29 is fixed on the upper padding plate 24 by drift fixed head 30; The vertical upper position of little stripper 32 installs little stripper spring 31; The vertical top position of little stripper 32 also is provided with little stripper bolt 28, and its effect is to make little stripper 32 guiding and spacing.
The described stripping force discharging spring that provides, its stroke attribute main with quantity and the metal plate material is relevant;
Counterdie primary structure of the present utility model has:
The above-described stretching convex die 14 that is used for the moulding of workpiece intermediate projections shape, described stretching convex die 14 is fixed on the lower bolster 15 by counterdie fixed head 2; Holding pad 13 down is set in the periphery of stretching convex die 14, blanking die 6, and blanking die 6 is positioned at the periphery of holding pad 13 down; Blanking die 6 is fixed on the lower bolster 15 by counterdie fixed head 2, and it has the blanking cutting edge that matches with punch-die 26.And between blanking die 6 and counterdie fixed head 2, backing plate 20 in establishing, the effect of described middle backing plate 20 is when mould is adjusted, and regulates the height that stretches by changing its thickness.When punch-die 26 and blanking die 6 are finished blanking, punch-die 26 and following holding pad 13 formal formation stretching flanging, and following holding pad 13 mainly provides pressure by pneumatic jack extension bar 16, when stretching finishes, air cushion extension bar 16 provides ejecting force that tensioning member is ejected from stretching convex die 14 again, thereby makes things convenient for product to take out.
On the upper surface of blanking die 6, establish guide pin 21, when its effect is the plate feeding, on feeding direction, make plate spacing; Make plate guiding and spacing in the two sides of plate.
The main process technology condition of the blanking that the utility model provides, stretching and punching hole composite die is: profile processing is benchmark with punch-die 26; Blanking is a benchmark with blanking die 6, and punch-die 26 is joined two-sided gap with it, and the gap is determined by material thickness.The quenching hardness of punch-die 26, stretching convex die 14, blanking die 6 is HRC58-62.
The working process of mould that the utility model provides, principle are: when punch process, plate will have guide pin 21 and pin stop be located with compound die in, along with patrix descends, last holding pad 22 and blanking die 6 compress plate, punch-die 26 descends simultaneously, sheet metal blanking is separated, finish the blanking process.Meanwhile, pneumatic jack extension bar 16 will descend to be pushed on the holding pad 13 and blanking die 6 flush position, form the binder drawing mechanism with punch-die 26 in the process of blanking.In being stretched to the process of the limit, piercing punch will be finished punch process along with the decline of patrix, and waste material will be discharged by the waste material road in the stretching convex die 14.After the stretching punch process was finished, patrix rose, and last holding pad 22 is released delay and the blanking waste material on the punch-die 26 owing to be subjected to the effect of the stripping force of holding pad discharging spring 8.Air cushion extension bar 16 is released profiled member from stretching convex die 14 in this process, and the little stripper 32 in the punch-die 26 is released piercing and shaping die spare under the thrust of little stripper spring 31 on piercing punch, thereby finishes the disengaging of tensioning member and compound die.Thereby blanking stretching punching hole composite die is finished disposable blanking, stretching, punch work.
The concrete structure of punching concave die:
On the described stretching convex die 14, establish the through-hole structure that is used for punching, the top of this structure cooperates with described drift 29, forms the structure that stamping parts is carried out punching, and the bottom of described through-hole structure is for discharging the structure of waste material.
The above-described through-hole structure that is used for punching on described stretching convex die 14, is established die plate insert 33, and forms cooperating of punching with described drift 29.
The concrete structure of pneumatic liftout structure:
Set holding pad 13 between described blanking die 6 and the stretching convex die 14; In described counterdie, establish pneumatic liftout structure, described holding pad 13 is down compressed and is promoted by described pneumatic liftout structure; Described pneumatic liftout structure is established pneumatic push rod 35, top board 17, air cushion extension bar 16, promotes top board 17 by described pneumatic push rod 35, promotes air cushion extension bar 16 by described top board 17 again, and described air cushion extension bar 16 promotes described holding pad 13 down.
Air cushion extension bar 16 mainly provides stretching pressure-pad-force and stripping force.The quantity of described air cushion extension bar 16 mainly requires stretching pressure-pad-force and ejecting force to determine according to reality.
In described counterdie, if base plate 18, described base plate 18 is below described lower bolster 1, and it is parallel and separated by a distance with described lower bolster 1, establish parallels 19 between described base plate 18 and the lower bolster 1, base plate 18 and lower bolster 1 are fastenedly connected, and described top board 17 is located in the neutral gear between base plate 18 and the lower bolster 1.
Described air cushion extension bar 16 passes described lower bolster 1 from through hole; Described pneumatic push rod 35 passes described base plate 18 from through hole.
The structure of waste material box:
In described counterdie, be positioned at the position below the drift 29, establish the waste material box 34 that is used to collect punched scrap.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.
Claims (9)
1, a kind of compound cold-punching mould, comprise upper die and lower die, establish cope match-plate pattern (7) and upper padding plate (24) in the described patrix, set template (1) and lower bolster (15) in the counterdie, it is characterized in that: described compound cold-punching mould is provided with the compound punching structure that blanking, stretching and the punching of stamping parts are finished in a jig frequency.
2, according to the described compound cold-punching mould of claim 1, it is characterized in that: the compound punching structure of described blanking, stretching and punching is: establish the drift (29) that punch-die (26), punching are used in the described patrix; Described drift (29) is located in the cavity of punch-die (26); Establish blanking die (6), stretching convex die (14) in the described counterdie; During in closure, the cavity cutting edge of the periphery cutting edge of described punch-die (26) and described blanking die (6) forms stamping parts profile stamping-out and cooperates at described compound cold-punching mould; The part of the end of described stretching convex die (14) extend in the matrix of punch-die (26), and the working port of the matrix of described stretching convex die (14) work end and punch-die (26) forms the cooperation to the stamping parts sheet metal stretching.
3, according to the described compound cold-punching mould of claim 2, it is characterized in that: on the described stretching convex die (14), if be used for the through-hole structure of punching, the top of this structure cooperates with described drift (29), the structure that formation is carried out punching to stamping parts, the bottom of described through-hole structure is for discharging the structure of waste material.
4, according to the described compound cold-punching mould of claim 3, it is characterized in that: the described through-hole structure that is used for punching, on described stretching convex die (14), establish die plate insert (33), and form cooperating of punching with described drift (29).
5, according to claim 2 or 3 or 4 described compound cold-punching moulds, it is characterized in that: set holding pad (13) between described blanking die (6) and the stretching convex die (14); In described counterdie, establish pneumatic liftout structure, described holding pad (13) is down compressed and is promoted by described pneumatic liftout structure; Described pneumatic liftout structure is established pneumatic push rod (35), top board (17), air cushion extension bar (16), promote top board (17) by described pneumatic push rod (35), promote air cushion extension bar (16) by described top board (17) again, described air cushion extension bar (16) promotes described holding pad (13) down.
6, according to the described compound cold-punching mould of claim 5, it is characterized in that: in the described counterdie, if base plate (18), described base plate (18) is in the below of described lower bolster (1), and it is parallel and separated by a distance with described lower bolster (1), establish parallels (19) between described base plate (18) and the lower bolster (1), base plate (18) and lower bolster (1) are fastenedly connected, described top board (17) is located in the neutral gear between base plate (18) and the lower bolster (1).
7, according to the described compound cold-punching mould of claim 6, it is characterized in that: described air cushion extension bar (16) passes described lower bolster (1) from through hole; Described pneumatic push rod (35) passes described base plate (18) from through hole.
8, according to claim 1 or 2 or 3 or 4 described compound cold-punching moulds, it is characterized in that: on described cope match-plate pattern (7) or the lower bolster (1), be provided with lifting bolt (25); Perhaps described cope match-plate pattern (7) and lower bolster (1) are provided with lifting bolt (25).
9, according to claim 2 or 3 or 4 described compound cold-punching moulds, it is characterized in that: in described counterdie, be positioned at the position of drift (29) below, establish the waste material box (34) that is used to collect punched scrap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202170878U CN201346595Y (en) | 2008-12-17 | 2008-12-17 | Composite cold-punching mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202170878U CN201346595Y (en) | 2008-12-17 | 2008-12-17 | Composite cold-punching mould |
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| CN201346595Y true CN201346595Y (en) | 2009-11-18 |
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| CNU2008202170878U Expired - Fee Related CN201346595Y (en) | 2008-12-17 | 2008-12-17 | Composite cold-punching mould |
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Cited By (29)
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| CN101869946A (en) * | 2010-06-30 | 2010-10-27 | 奇瑞汽车股份有限公司 | Drawing and shaping mold structure |
| CN102228941A (en) * | 2011-06-08 | 2011-11-02 | 冠亿精密工业(昆山)有限公司 | Double-material-push structure of part forming machine |
| CN102259134A (en) * | 2011-06-29 | 2011-11-30 | 无锡市中捷减震器有限公司 | One-piece forming die with multiple functions |
| CN102327988A (en) * | 2011-10-18 | 2012-01-25 | 江苏尚诚精密模具科技有限公司 | Discharging structure for box body die |
| CN102358062A (en) * | 2011-08-30 | 2012-02-22 | 扬州捷迈锻压机械有限公司 | Hydraulic machine with hydraulic cushion jacking and central blanking guiding-out mechanism |
| CN102380554A (en) * | 2011-10-23 | 2012-03-21 | 芜湖金瑞特汽车零部件有限公司 | Piece pushing block for blanking-punching composite mould |
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| CN102847786A (en) * | 2011-07-01 | 2013-01-02 | 沈阳工业大学 | Punching method and dedicated die for serialization porous complex inserting metal piece |
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- 2008-12-17 CN CNU2008202170878U patent/CN201346595Y/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101869946B (en) * | 2010-06-30 | 2012-02-15 | 奇瑞汽车股份有限公司 | Drawing and shaping mold structure |
| CN101869946A (en) * | 2010-06-30 | 2010-10-27 | 奇瑞汽车股份有限公司 | Drawing and shaping mold structure |
| CN102228941A (en) * | 2011-06-08 | 2011-11-02 | 冠亿精密工业(昆山)有限公司 | Double-material-push structure of part forming machine |
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