CN203221117U - Forming die for elongated space curved surface type high-strength sheet metal component - Google Patents

Forming die for elongated space curved surface type high-strength sheet metal component Download PDF

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Publication number
CN203221117U
CN203221117U CN 201220644995 CN201220644995U CN203221117U CN 203221117 U CN203221117 U CN 203221117U CN 201220644995 CN201220644995 CN 201220644995 CN 201220644995 U CN201220644995 U CN 201220644995U CN 203221117 U CN203221117 U CN 203221117U
Authority
CN
China
Prior art keywords
die
blank holder
sheet metal
metal component
bead
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220644995
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Chinese (zh)
Inventor
唐舜清
唐云峰
郑凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING HUAQING AUTOMOBILE PARTS Co Ltd
Original Assignee
CHONGQING HUAQING AUTOMOBILE PARTS Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHONGQING HUAQING AUTOMOBILE PARTS Co Ltd filed Critical CHONGQING HUAQING AUTOMOBILE PARTS Co Ltd
Priority to CN 201220644995 priority Critical patent/CN203221117U/en
Application granted granted Critical
Publication of CN203221117U publication Critical patent/CN203221117U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a forming die for an elongated space curved surface type high-strength sheet metal component, comprising an upper die base, an upper die, a lower die base, a lower die and a blank holder. A drawing rib capable of compressing and positioning a workpiece is disposed at the corresponding parts of the upper die bottom and the blank holder. The blank holder is provided with a drawing groove, corresponding to the drawing rib. Clearances are respectively disposed at two length-direction ends of the workpiece, corresponding to the upper die bottom and the blank holder, and disposed at two width-direction sides of the drawing complex curved surface at the middle section of the workpiece, corresponding to the upper die bottom and the blank holder. The forming die for an elongated space curved surface type high-strength sheet metal component is advantageous in that the die drawing rib clearances are respectively set based on the integral shape of the workpiece and a drawing structure; flow amount of material sheets at different parts can be controlled, and drawing molding and hard molding can be combined; adequate plastic deformation amount can be ensured; material utilization rate can be increased and firm competitiveness can be enhanced.

Description

Long and narrow space curved face type high strength sheet metal component mould
Technical field
The utility model relates to a kind of shaping mould, relates in particular to a kind of long and narrow space curved face type high strength sheet metal component mould.
Background technology
Long and narrow space curved face type high strength sheet metal component is common in the coachbuilt body sheet metal component, goes up inside panel as the car side wall top, and its characteristics are: one, and projection size value length and width ratio is bigger; Two, adopt high-strength plate (∑ S〉=280MPa) material; Three, surface characteristics is more smooth, is difficult for inhaling material when drawing; Four, space curved surface easily twists during plate shaping, along with the automobile industry competition is growing more intense, for improving utilization rate of raw materials, the processing mode of the hard moulding of the more employing of vehicle body sheet metal component, but for the vehicle body sheet metal component, for guaranteeing its part performance and outward appearance, need in the drawing and moulding process, allow its material amount of plastic deformation enough, reaching the purpose that reduces springback capacity and twist angle, and hard molding mode material does not almost have plastic deformation, and its part performance can't meet the demands.
Therefore, for addressing the above problem, traditional drawing and moulding need be combined with hard moulding, improve stock utilization on the enough bases of assurance amount of plastic deformation, improve enterprise competitiveness.
The utility model content
In view of this, the purpose of this utility model provides a kind of long and narrow space curved face type high strength sheet metal component mould, at the whole workpiece shape and draw structure mould bead gap is set respectively, the amount of flow of control tablet different parts, realize drawing and moulding and the combination of moulding firmly, can guarantee enough amount of plastic deformation and improve stock utilization, be beneficial to the raising enterprise competitiveness.
Long and narrow space curved face type high strength sheet metal component mould of the present utility model, comprise upper bolster, upper die and lower die seat, counterdie and blank holder, patrix bottom surface and blank holder up and down relative part be provided with can be with the bead of Work-sheet pressing location, corresponding bead is provided with and draws groove on the blank holder, between described patrix bottom surface and the blank holder corresponding workpiece length to two ends and with corresponding wide to two side clearance empty avoidings in the complex-curved place of workpiece stage casing pull and stretch.
Further, described gap empty avoiding place bead and draw between the groove gap greater than institute's converted products thickness or do not have bead;
Further, described gap empty avoiding place does not have bead.
The beneficial effects of the utility model are: long and narrow space curved face type high strength sheet metal component mould of the present utility model, at the whole workpiece shape and draw structure mould bead gap is set respectively, the amount of flow of control tablet different parts, realize drawing and moulding and the combination of moulding firmly, can guarantee enough amount of plastic deformation and improve stock utilization, be beneficial to the raising enterprise competitiveness.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is patrix plane of the present utility model;
Fig. 2 is counterdie plane of the present utility model;
Fig. 3 is A-A place cutaway view in the utility model corresponding diagram 2;
Fig. 4 is B-B place cutaway view in the utility model corresponding diagram 2.
The specific embodiment
Fig. 1 is patrix plane of the present utility model, Fig. 2 is counterdie plane of the present utility model, Fig. 3 is A-A place cutaway view in the utility model corresponding diagram 2, Fig. 4 is B-B place cutaway view in the utility model corresponding diagram 2, as shown in the figure: a kind of long and narrow space curved face type high strength sheet metal component mould of present embodiment, comprise upper bolster 3, patrix 1, die shoe 4, counterdie 2 and blank holder 5, counterdie 2 is fixed in die shoe 4 end faces, blank holder 5 is placed in counterdie 2 peripheries, patrix 1 is fixed in upper bolster 3 bottom surfaces and relative up and down with counterdie 2 and blank holder 5, patrix 1 bottom surface is provided with workpiece need process the corresponding last die face of top surface structure, counterdie 2 is for need process the corresponding lower die face of bottom surface structure with workpiece, relative partly also being provided with can be with the bead 6 of Work-sheet pressing location up and down with blank holder 5 in patrix 1 bottom surface, corresponding bead 6 is provided with and draws groove 7 on the blank holder 5, between described patrix 1 bottom surface and the blank holder 5 corresponding workpiece length to two ends and with corresponding wide to two side clearance empty avoidings in the complex-curved place of workpiece stage casing pull and stretch, as shown in Figure 1, empty place is expressed as described gap empty avoiding place, comprise corresponding workpiece length to gap empty avoiding I 8 places at two ends with corresponding with the complex-curved place of workpiece stage casing pull and stretch wide to two side clearance empty avoiding II, 9 places, the gap empty avoiding refers to be provided with bead 6 and draws groove 7 but bead 6 and the corresponding gap of drawing between the groove 7 are not established bead 6 and drawn groove 7 greater than institute's processing parts thickness or corresponding position, add man-hour, draw 5~10mm position beyond groove 7 edges with narrowing on the raw material cross direction to die parting line outside blank holder 5, by to corresponding workpiece length between patrix 1 bottom surface and the blank holder 5 to two ends and corresponding with the complex-curved place of workpiece stage casing pull and stretch wide to two side clearance empty avoidings handle can guarantee mould up and down die face contact and begins material for the previous period and can have bigger mobile, produce plastic deformation, because only surpassing, its bead 6 gap empty avoidings and material outer draw groove 5~10mm, then drawing action in very short time will finish, then directly contacted with lower die face by last die face, allow the sheet material " hard moulding " of plastic deformation be the initial appearance shape of required part.
In the present embodiment, described gap empty avoiding place bead 6 and draw between the groove 7 gap greater than institute's converted products thickness or do not have bead can utilize original mould that the bead mill of its respective clearance empty avoiding place is low or polish and get final product mould utilization rate height, need not other die sinking, cost-saved.
In the present embodiment, described gap empty avoiding place does not have bead, and the bead that is about to respective clearance empty avoiding place polishes, and the workpiece material flow resistance is little, and can guarantee has enough amount of flow and plastic deformation in forming process, effectively reduce part springback capacity and twist angle.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims (2)

1. long and narrow space curved face type high strength sheet metal component mould, comprise upper bolster, upper die and lower die seat, counterdie and blank holder, patrix bottom surface and blank holder up and down relative part be provided with can be with the bead of Work-sheet pressing location, corresponding bead is provided with and draws groove on the blank holder, it is characterized in that: between described patrix bottom surface and the blank holder corresponding workpiece length to two ends and with corresponding wide to two side clearance empty avoidings in the complex-curved place of workpiece stage casing pull and stretch.
2. long and narrow space curved face type high strength sheet metal component mould according to claim 1 is characterized in that: described gap empty avoiding place bead and draw between the groove gap greater than institute's converted products thickness or do not have bead.
CN 201220644995 2012-11-29 2012-11-29 Forming die for elongated space curved surface type high-strength sheet metal component Expired - Fee Related CN203221117U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220644995 CN203221117U (en) 2012-11-29 2012-11-29 Forming die for elongated space curved surface type high-strength sheet metal component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220644995 CN203221117U (en) 2012-11-29 2012-11-29 Forming die for elongated space curved surface type high-strength sheet metal component

Publications (1)

Publication Number Publication Date
CN203221117U true CN203221117U (en) 2013-10-02

Family

ID=49248134

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220644995 Expired - Fee Related CN203221117U (en) 2012-11-29 2012-11-29 Forming die for elongated space curved surface type high-strength sheet metal component

Country Status (1)

Country Link
CN (1) CN203221117U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104174768B (en) * 2014-08-29 2016-05-11 长城汽车股份有限公司 mould structure and drawing method
CN106944549A (en) * 2017-04-25 2017-07-14 安徽江淮汽车集团股份有限公司 A kind of beam piece drawing die

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104174768B (en) * 2014-08-29 2016-05-11 长城汽车股份有限公司 mould structure and drawing method
CN106944549A (en) * 2017-04-25 2017-07-14 安徽江淮汽车集团股份有限公司 A kind of beam piece drawing die

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131002

Termination date: 20151129