CN103551448A - Aluminum profile lateral punching die of automotive energy-absorbing box - Google Patents
Aluminum profile lateral punching die of automotive energy-absorbing box Download PDFInfo
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- CN103551448A CN103551448A CN201310499037.9A CN201310499037A CN103551448A CN 103551448 A CN103551448 A CN 103551448A CN 201310499037 A CN201310499037 A CN 201310499037A CN 103551448 A CN103551448 A CN 103551448A
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Abstract
The invention discloses an aluminum profile lateral punching die of an automotive energy-absorbing box. The aluminum profile lateral punching die of the automotive energy-absorbing box comprises a punch set, a die set, a core die punching device and a stripping device; the core die punching device and the stripping device are located between the punch set and the die set; the stripping device is formed by a hard stripping mechanism, elastic stripping mechanisms and a cylinder ejection mechanism; the elastic stripping mechanisms are located on the bilateral sides of the hard stripping mechanism; the cylinder ejection mechanism is located on the lower portion of the hard stripping mechanism. According to the aluminum profile lateral punching die of the automotive energy-absorbing box, the auxiliary stripping device allowing hard stripping is adopted and accordingly the impact caused by the insufficient stripping force of the bilateral elastic stripping devices is eliminated and accordingly the die stability is significantly improved. The aluminum profile lateral punching die of the automotive energy-absorbing box can be applied to mass production of thick wall thickness of aluminum profiles.
Description
Technical field
The present invention relates to a kind of punching die, specifically, what relate to is a kind of vehicle energy absorption box aluminium section bar sidewise punching mould.
Background technology
Because aluminium section bar weight ratio steel are gently a lot, aluminium section bar automobile upper-part application now increases gradually, and conventional machining process does not have competitiveness.The product material of making such as needs is 6063T6, both sides punching press thickness 14mm, and length is 267mm, has four little die cavities, and during punching press, die cavity domestic demand will be filled in cushion block, and there are two ￠ 16.8 circular holes two sides, and asymmetric.Because wall thickness is thicker, and drift is less than wall thickness, and Sheet Metal Forming Technology is caused to very large difficulty.Because the de-material power of stripper elasticity in both sides in mould is inadequate, mould stability is reduced simultaneously.
Publication number is the Chinese utility model patent of 201776343U, this utility model patent provide " a kind of Multidirectional punching mould for automobile fuel filler box; comprise upper die and lower die, its characteristic is that patrix is realized the stamping-out of side opening with Cam device, and oblique impact head is designed to dismountable structure; Cydariform side ram bottom is connected with wedge slide block by screw, with circular side punch fixing plate interference fit location; Circle side blow head rest hanging platform is connected with cydariform side punch fixing plate, wedge slide block, locates with the interference fit of cydariform side punch fixing plate; In counterdie, die both sides blanking partial design is T shape die plate insert, and die plate insert bottom is connected with screw with die shoe, locates with the interference fit of die body." although this utility model realized the one-shot forming in each hole of different azimuth, and guaranteed that this mould can not solve the above problems equally because sidewise hole occurs when cutting edge damages to carry out quick-replaceable compared with little, drift insufficient strength.
Summary of the invention
The object of the invention is to solve above-mentioned deficiency of the prior art, a kind of vehicle energy absorption box aluminium section bar sidewise punching mould is provided, adopt the auxiliary stripper of rigid de-material, the impact bringing not to make up the de-material power of both sides stripper, thus mould stability is significantly improved.
For realizing above-mentioned object, a kind of vehicle energy absorption box aluminium section bar sidewise punching mould of the present invention, comprise upper bolster, die shoe, punch hole punched device and stripper, described punch hole punched device, stripper are between described upper bolster, die shoe, described stripper is by hard material removing mechanism, be positioned at the elasticity material removing mechanism of hard material removing mechanism both sides, and the cylinder lift out mechanism composition that is positioned at hard material removing mechanism bottom;
Described hard material removing mechanism comprises hard de-material piece, top shoe, top shoe fixed head and sliding block, wherein: two hard de-material pieces are separately fixed at two top shoes, top shoe is fixed in top shoe fixed head, top shoe fixed head is fixed on upper bolster, sliding block is arranged in the lower slider groove of die shoe, and two sliding block both sides are provided with the valley gutter coordinating with described hard de-material piece; When upper bolster rises, drive the hard de-material piece on top shoe to move along sliding block valley gutter; The de-material of the just auxiliary two-side elastic of described hard material removing mechanism, the impact bringing not to make up the de-material power of both sides stripper;
Described two-side elastic material removing mechanism structure is identical, be arranged on the two ends of described die shoe, wherein each side elasticity material removing mechanism comprises: elastomer clamping plate, flexible member and screw rod, wherein: in the middle of two elastomer clamping plate, a flexible member is set, flexible member is connected by screw rod with sliding block, when patrix is descending, top shoe inserts the valley gutter of sliding block, by screw compression flexible member, when patrix is up, top shoe leaves sliding block, discharges compression energy;
Described lower cylinder ejecting mechanism comprises: air cylinder fixed plate, push rod, cylinder and locating piece, wherein: two cylinders are fixed on die shoe by air cylinder fixed plate, four push rods are fixed in air cylinder fixed plate, locating piece is arranged on cylinder top for fixed product, when cylinder moves upward, product will be ejected to locating piece, be convenient to feeding;
Described punch hole punched device comprises drift, sliding block fixed head, wherein: drift is individually fixed on the medial surface that two sliding block fixed heads are relative, two sliding block fixed heads are connected with two sliding blocks respectively, when patrix is descending, top shoe inserts in sliding block, promote sliding block and move forward, thereby promote drift stamped workpieces.
Further, described upper bolster is provided with spring, and one end of spring is fixed on described upper bolster, and the other end connects binder block, and binder block is positioned at the top of described locating piece.
The press work process of the above-mentioned mould of the present invention is as follows: hydraulic press is opened to operation, described mould is packed on hydraulic press table top upper, die shoe is fixed, first hydraulic press is returned to top dead-centre, workpiece is put into locating piece, four cushion blocks are inserted in workpiece cavity, the push rod of side direction holds out against section bar makes datum level be close to locating piece location, operation control panel descending button makes upper bolster descending, the binder block of upper bolster is pushed down workpiece top, upper bolster continues descending, both sides top shoe contacts with both sides sliding block, make drift transverse movement, now the firmly de-material piece in both sides inserts in the sliding block of both sides simultaneously, meanwhile two-side elastic material removing mechanism shrinks, upper bolster continues descending, when spacing contact of patrix counterdie spacing and die shoe of upper bolster, side direction drift has thrust workpiece.The up button of operation control panel makes upper bolster up, both sides top shoe and both sides sliding block leave gradually, now two-side elastic material removing mechanism and be inserted into when hard de-material piece in the sliding block of both sides rises gradually with upper bolster and drive sliding block and drift to throw off workpiece simultaneously.Stroke, to top dead-centre, unclamps the push rod of side direction, and operation cylinder ejects locating piece workpiece, takes out workpiece, completes punching press.
Compared with prior art, beneficial effect of the present invention: the present invention adopts the auxiliary stripper of rigid de-material, has made up the impact that the de-material power of two-side elastic stripper is brought not, thereby mould stability is significantly improved.This mould can be for the thicker aluminium section bar of batch production wall thickness.
Accompanying drawing explanation
Fig. 1 a, Fig. 1 b are mold integral structural representation of the present invention;
Fig. 2 a, Fig. 2 b, Fig. 2 c are hard material removing mechanism structural representation in stripper of the present invention;
Fig. 3 a, Fig. 3 b, Fig. 3 c are two-side elastic material-removing structure schematic diagram in stripper of the present invention;
Fig. 4 a, Fig. 4 b, Fig. 4 c are punch punch structure schematic diagram of the present invention;
Fig. 5 a, Fig. 5 b, Fig. 5 c are stripper of the present invention middle and lower part cylinder lift out mechanism structural representation;
Fig. 6 is cushion block schematic diagram of the present invention;
In figure: 1 is guide pillar, 2 is stripper, and 3 is top shoe, 4 is hard de-material piece, and 5 is sliding block, and 6 is drift, 7 is spring, and 8 is locating piece, and 9 is workpiece, 10 is upper bolster, and 11 is binder block, and 12 is foot pad, 13 is guide pin bushing, and 14 is cylinder, and 15 is ejector beam, 16 is push rod, and 17 is upper limit post, and 18 is lower limit post, 19 is top shoe fixed head, and 20 is lower slider groove, and 21 is elastomer clamping plate 21,22 is flexible member, and 23 is screw rod, and 24 is air cylinder fixed plate, 25 is valley gutter, 26 is fixed block, and 27 is sliding block fixed head, and 28 is die shoe.
The specific embodiment
Below in conjunction with drawings and Examples, the technical solution of the present invention is further explained, but following content is not intended to limit the scope of the invention.
The workpiece that the present embodiment need to be processed, its material is 6063T6, both sides punching press thickness 14mm, and length is 267mm, there are four little die cavities, during punching press, die cavity domestic demand will be filled in cushion block, and there are two ￠ 16.8 circular holes two sides, and asymmetric, its wall thickness is thicker, and drift is less than wall thickness, adopt the present invention to develop sidewise punching mould, reduce production costs.
As shown in Fig. 1 a-Fig. 6, the present embodiment provides a kind of vehicle energy absorption box aluminium section bar sidewise punching mould, comprise upper bolster 10, die shoe 28, punch hole punched device and stripper, described punch hole punched device, stripper are between described upper bolster 10, die shoe 28.Described stripper, by hard material removing mechanism, is positioned at the elasticity material removing mechanism of hard material removing mechanism both sides, and the cylinder lift out mechanism composition that is positioned at hard material removing mechanism bottom.
As shown in Fig. 1 a, Fig. 2 a, Fig. 2 b, Fig. 2 c, hard material removing mechanism comprises hard de-material piece 4, top shoe 3, top shoe fixed head 19 and sliding block 5, two hard de-material pieces 4 are individually fixed on two top shoes 3, top shoe 3 is fixed in top shoe fixed head 19, top shoe fixed head 19 is fixed on upper bolster 10, two sliding blocks 5 are arranged in the lower slider groove 20 on die shoe 28, and two sliding block 5 both sides are equipped with the valley gutter 25 coordinating with described hard de-material piece 4; When upper bolster 10 rises, drive the hard de-material piece 4 of top shoe 3 to move along sliding block 5 valley gutter 25 directions; The de-material of the just auxiliary two-side elastic of described hard material removing mechanism, the impact bringing not to make up the de-material power of both sides stripper.
As shown in Fig. 1 a, Fig. 3 a, Fig. 3 b, Fig. 3 c, two-side elastic material removing mechanism structure is identical, be arranged on the two ends of described die shoe 28, wherein each side elasticity material removing mechanism comprises: elastomer clamping plate 21, flexible member 22 and screw rod 23, the centre of two elastomer clamping plate 21 of every side arranges a flexible member 22, and flexible member 22 is connected with sliding block 5 through fixed block 26 by screw rod 23; When upper bolster 10 is descending, top shoe 3 inserts sliding block 5 valley gutters 25, and by screw rod 23 compression elastic elements 22, when upper bolster 10 is up, top shoe 3 leaves sliding block 5, discharges compression energy.
As shown in Fig. 1 a, Fig. 4, punch punch structure comprises drift 6, sliding block fixed head 27, and a plurality of drifts 6 are individually fixed on the medial surface that two sliding block fixed heads 27 are relative, and two sliding block fixed heads 27 are connected with two sliding blocks 5 respectively; When die shoe 28 is descending, top shoe 3 inserts in sliding block 5, promotes sliding block 5 and moves forward, thereby promote drift 6 stamped workpieces 9.
As shown in Fig. 1 a, Fig. 5 a, Fig. 5 b, Fig. 5 c, cylinder lift out mechanism comprises: air cylinder fixed plate 24, push rod 16, cylinder 14 and locating piece 8, and air cylinder fixed plate 24 is fixed on two cylinders 14 on die shoe 28, and four push rods 16 are fixed in air cylinder fixed plate 24; Locating piece 8 is arranged on cylinder 14 tops for fixed product, product will be ejected to locating piece 8, so that feeding when cylinder 14 moves upward.
In the present embodiment, described upper bolster 10 is provided with guide pillar 1 and is enclosed within the guide pin bushing 13 outside this guide pillar 1, for the guiding of upper bolster 10 motions.
In the present embodiment, described upper bolster 10 is provided with upper limit post 17, described die shoe 28 is provided with lower limit post 18, and the position of upper limit post 17, lower limit post 18 is both contacts on a vertical curve and in upper bolster 10 downward movements, and that for upper bolster 10, moves is spacing.
In the present embodiment, described upper bolster 10 is provided with spring 7, and one end of spring 7 is fixed on described upper bolster 10, and the other end connects binder block 11, and binder block 11 is positioned at the top of described locating piece 8.
In the present embodiment, described cylinder 14 is provided with ejector beam 15, and when cylinder 14 moves upward, ejector beam 15 will eject locating piece 8 workpiece 9.
In the present embodiment, the below of described die shoe 28 is provided with the feet 12 for supporting mould.
In the present embodiment, described die shoe 28 is provided with lower slider groove 20, for the slip of sliding block 5.
The present embodiment adopts conventional 315T hydraulic press that pressure is provided, the press work process of above-mentioned mould is: 315T hydraulic press is opened to operation, described in this, mould packs on 315T hydraulic press table top, upper bolster 10, die shoe 28 is fixing respectively, first hydraulic press is returned to top dead-centre, workpiece 9 is put into locating piece 8, four cushion blocks (as shown in Figure 6) are inserted in workpiece cavity, the push rod 16 of side direction holds out against section bar makes datum level be close to locating piece 8 location, operation control panel descending button makes mould descending, the binder block 11 of upper bolster 10 is pushed down workpiece 9 tops, upper bolster 10 continues descending, both sides top shoe 3 contacts with both sides sliding block 5, make drift 6 transverse movements.Now the hard de-material piece 4 of the hard material removing mechanism in both sides inserts in both sides sliding block 5 simultaneously, meanwhile two-side elastic material removing mechanism shrinks, upper bolster 10 continues descending, and when the upper limit post 17 of upper bolster 10 and the lower limit post 18 of die shoe 28 contact, drift 6 has thrust workpiece 9; The up button of operation control panel makes mould up, both sides top shoe 3 leaves gradually with both sides sliding block 5, when now two-side elastic material removing mechanism and the hard de-material piece 4 that has been inserted into the hard material removing mechanism in both sides sliding block 5 rise gradually with upper bolster 10, drives sliding block 5 and drift 6 to throw off workpiece 9 simultaneously.Stroke, to top dead-centre, unclamps the push rod 16 of side direction, and operation cylinder 14 ejects locating piece 8 workpiece 9, takes out workpiece 9, completes punching press.Because the thick 14mm of the material of workpiece 9 described in the present embodiment, and be aluminium section bar, de-material is very difficult, therefore adopts hard material removing mechanism as auxiliary stripper, the impact bringing not to make up the de-material power of two-side elastic stripper, can make mould stability significantly improve like this.
Through three-dimensional check, this product meets product drawing tolerance, because die punching technique is very stable through putting into practice performance for this reason.This type of aluminium section bar uses this Sheet Metal Forming Technology to produce in batches, extensive use.Stable performance of the present invention, has reduced production cost, can be used for batch production.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.Those skilled in the art, read after foregoing, for multiple modification of the present invention with to substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (7)
1. a vehicle energy absorption box aluminium section bar sidewise punching mould, it is characterized in that, comprise upper bolster, die shoe, punch hole punched device and stripper, described punch hole punched device, stripper are between described upper bolster, die shoe, described stripper is by hard material removing mechanism, be positioned at the elasticity material removing mechanism of hard material removing mechanism both sides, and the cylinder lift out mechanism composition that is positioned at hard material removing mechanism bottom;
Described hard material removing mechanism comprises hard de-material piece, top shoe, top shoe fixed head and sliding block, wherein: two hard de-material pieces are separately fixed at two top shoes, top shoe is fixed in top shoe fixed head, top shoe fixed head is fixed on upper bolster, sliding block is arranged in the lower slider groove of die shoe, and two sliding block both sides are provided with the valley gutter coordinating with described hard de-material piece; When upper bolster rises, drive the hard de-material piece on top shoe to move along sliding block valley gutter;
Described two-side elastic material removing mechanism structure is identical, be arranged on the two ends of described die shoe, wherein each side elasticity material removing mechanism comprises: elastomer clamping plate, flexible member and screw rod, wherein: in the middle of two elastomer clamping plate, a flexible member is set, flexible member is connected by screw rod with sliding block, when patrix is descending, top shoe inserts the valley gutter of sliding block, by screw compression flexible member, when patrix is up, top shoe leaves sliding block, discharges compression energy;
Described lower cylinder ejecting mechanism comprises: air cylinder fixed plate, push rod, cylinder and locating piece, wherein: two cylinders are fixed on die shoe by air cylinder fixed plate, four push rods are fixed in air cylinder fixed plate, locating piece is arranged on cylinder top for fixed product, when cylinder moves upward, product will be ejected to locating piece;
Described punch hole punched device comprises drift, sliding block fixed head, wherein: drift is individually fixed on the medial surface that two sliding block fixed heads are relative, two sliding block fixed heads are connected with two sliding blocks respectively, when patrix is descending, top shoe inserts in sliding block, promote sliding block and move forward, thereby promote drift stamped workpieces.
2. a kind of vehicle energy absorption box aluminium section bar sidewise punching mould according to claim 1, is characterized in that, described upper bolster is provided with guide pillar and is enclosed within the guide pin bushing outside this guide pillar, for the guiding of upper bolster motion.
3. a kind of vehicle energy absorption box aluminium section bar sidewise punching mould according to claim 1, it is characterized in that, described upper bolster is provided with upper limit post, described die shoe is provided with lower limit post, the position of upper limit post, lower limit post is both contacts on a vertical curve and in upper bolster downward movement, and that for upper bolster, moves is spacing.
4. a kind of vehicle energy absorption box aluminium section bar sidewise punching mould according to claim 1, it is characterized in that, described upper bolster is provided with spring, and one end of spring is fixed on described upper bolster, the other end connects binder block, and binder block is positioned at the top of described locating piece.
5. a kind of vehicle energy absorption box aluminium section bar sidewise punching mould according to claim 1, is characterized in that, described cylinder is provided with ejector beam, and when cylinder moves upward, ejector beam will eject locating piece workpiece.
6. a kind of vehicle energy absorption box aluminium section bar sidewise punching mould according to claim 1, is characterized in that, the below of described die shoe is provided with the feet for supporting mould.
7. a kind of vehicle energy absorption box aluminium section bar sidewise punching mould according to claim 1, is characterized in that, described die shoe is provided with lower slider groove, for the slip of sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310499037.9A CN103551448A (en) | 2013-10-22 | 2013-10-22 | Aluminum profile lateral punching die of automotive energy-absorbing box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310499037.9A CN103551448A (en) | 2013-10-22 | 2013-10-22 | Aluminum profile lateral punching die of automotive energy-absorbing box |
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| CN103551448A true CN103551448A (en) | 2014-02-05 |
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| CN201310499037.9A Pending CN103551448A (en) | 2013-10-22 | 2013-10-22 | Aluminum profile lateral punching die of automotive energy-absorbing box |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001253A (en) * | 2016-07-29 | 2016-10-12 | 苏州瑞玛金属成型有限公司 | Multi-hole-site die lateral punching device |
| CN106001246A (en) * | 2016-08-16 | 2016-10-12 | 辉泰（太仓）汽配有限公司 | Energy sucking box punching mold |
| CN106736156A (en) * | 2016-12-24 | 2017-05-31 | 柳州凌云汽车零部件有限公司 | Front anticollision beam of automobile assembly welding tooling |
| CN107186056A (en) * | 2017-06-07 | 2017-09-22 | 张维 | Electric cooker shell perforating press |
| CN107377950A (en) * | 2017-07-31 | 2017-11-24 | 上海皮尔博格有色零部件有限公司 | Method for removing the device of cast member running channel and removing cast member running channel |
| CN108273899A (en) * | 2018-02-28 | 2018-07-13 | 昆山诚业德通讯科技有限公司 | A kind of punching press side-cutting die |
| CN113145720A (en) * | 2021-04-30 | 2021-07-23 | 广州中益机械有限公司 | Section corner punching method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106001253A (en) * | 2016-07-29 | 2016-10-12 | 苏州瑞玛金属成型有限公司 | Multi-hole-site die lateral punching device |
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| CN108273899A (en) * | 2018-02-28 | 2018-07-13 | 昆山诚业德通讯科技有限公司 | A kind of punching press side-cutting die |
| CN113145720A (en) * | 2021-04-30 | 2021-07-23 | 广州中益机械有限公司 | Section corner punching method |
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Application publication date: 20140205 |