CN202263837U - Over-drawing die with movable drawing rib for high-strength plate - Google Patents

Over-drawing die with movable drawing rib for high-strength plate Download PDF

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Publication number
CN202263837U
CN202263837U CN2011203336355U CN201120333635U CN202263837U CN 202263837 U CN202263837 U CN 202263837U CN 2011203336355 U CN2011203336355 U CN 2011203336355U CN 201120333635 U CN201120333635 U CN 201120333635U CN 202263837 U CN202263837 U CN 202263837U
Authority
CN
China
Prior art keywords
die
blank holder
movable brake
strength plate
brake beads
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
CN2011203336355U
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Chinese (zh)
Inventor
张懃
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.)
ZHEJIANG HUANGYAN DIE CO., LTD.
Original Assignee
ZHEJIANG HUANGYAN PUNCH DIE FACTORY
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Filing date
Publication date
Application filed by ZHEJIANG HUANGYAN PUNCH DIE FACTORY filed Critical ZHEJIANG HUANGYAN PUNCH DIE FACTORY
Priority to CN2011203336355U priority Critical patent/CN202263837U/en
Application granted granted Critical
Publication of CN202263837U publication Critical patent/CN202263837U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an over-drawing die with a movable drawing rib for a high-strength plate. The over-drawing die comprises an upper die holder and a lower die holder, wherein a female die is fixed below the upper die holder; and a male die is fixed on the lower die holder. The over-drawing die is characterized in that: a drawing ring is sleeved outside the male die; a balance block is arranged between the drawing ring and the upper die holder; an adjustable pad is arranged between the drawing ring and the lower die holder; a movable drawing rib and a drawing rib support rod are arranged on the drawing ring; the drawing rib support rod is used for limiting the mutual positions of the movable drawing rib and the drawing ring through a clamp; a cushion block is arranged between the lower end of the drawing rib support rod and the lower die holder; the movable drawing rib is manufactured segmentally; each segment is 300 millimeters in length; the movable drawing rib is in slide fit with the drawing ring; and ascending and descending of the drawing ring are controlled by using a first-stage carrier rod and a second-stage carrier rod.

Description

The high-strength plate of band movable brake beads is crossed drawing die
Technical field
The utility model relates to is with the high-strength plate of movable brake beads to cross drawing die, belongs to the metal die field.
Background technology
With head piece inner panel before the automobile is example, and material is dual phase steel CR780DP, its yield strength δ s=420~550Mpa, tensile strength δ b=780~820Mpa, EL=14%, maximum EL=18%, material thickness 0.8.It is a member in car ceiling forward position, when the automobile top-cap impact test, with most of load of bearing collision.Dual phase steel is a kind of novel high-strength plate of the eighties of last century generation seventies; In the interior tissue of steel; Ferrite and martensite exist simultaneously, so claim dual phase steel, are mainly used in the making of parts such as the preceding bumping post of automobile, center sill, front side beam, seat bracket and door B post.Add oligo-element niobium (Nb) in this steel grade, can make microstructure thinning, improve tensile strength δ b=30-50MPa.The forming height of preceding head piece inner panel is greater than 30mm, and still there is the bag of pressure the part, and material has contraction and extension during shaping; If adopt common drawing process to be shaped; Can produce resilience and torsional deformation, in drawing process, because the inhomogeneities of material flowing velocity; Residual stress can present great difference everywhere, and residual stress is the main cause of part resilience and distortion.
Summary of the invention
The purpose of the utility model is in order to solve the serious resilience and distortion defective of appearance in advanced high-strength plate (two-phase plate) moulding; Parameters such as the beading time through regulating bead, beading height; Control the flowing velocity of material in the moulding; Make its maximum homogenising, eliminate its residual stress as far as possible, prevent that the high-strength plate of the band movable brake beads of part resilience and distortion from crossing drawing die thereby reach when stretching.
The technical scheme that the high-strength plate of the utility model band movable brake beads is crossed drawing die is: comprise upper bolster and die shoe, fixing die under upper bolster, solid punch on the die shoe; It is characterized in that the outer suit blank holder of said punch; Between blank holder and the upper bolster balance weight is installed, between blank holder and the die shoe adjusting pad is installed, movable brake beads and bead pole are installed on the blank holder; Bead pole limits the mutual alignment of movable brake beads and blank holder through clip; Between bead pole lower end and the die shoe cushion block is installed, the movable brake beads segmentation is made, every segment length 300mm; Movable brake beads and blank holder are slidingly matched, and blank holder goes up and down to be controlled by firsts and seconds two-stage push rod.
The utility model discloses a kind of high-strength plate and cross drawing die with movable brake beads, the product forming process, at first; Upper bolster is driven by the lathe slide block and rises, and blank holder is by firsts and seconds two-stage push rod jack-up, movable brake beads retraction blank holder; Movable brake beads and along with blank holder together rises, blank holder after rising 13mm takes up bead pole, and the cushion block plane is left in bead pole lower end; On blank holder, place high strength plate and location, then, upper bolster is descending, die and blank holder are pushed down the high strength plate earlier; Punch is descending with continuing in the high strength plate introducing die cavity simultaneously; Bead pole ejects the movable brake beads beading, reaches adjusting pad and the balance weight pier is extremely accomplished overstretching, the die sinking pickup.Overstretching is the process that just occurred in recent years.Here the overstretching that said overstretching and exterior panel adopt in order to eliminate punch line is not a notion.Here said overstretching is meant in the overall process that stretches, and first mid-term is binder or carry out the anti-wrinkling binder of appropriateness not; And when stretching will finish in the later stage; Through using the movable brake beads structure, to product (high strength plate) edge, apply tension significantly; Make the residual compressive stress of product become tension, thereby eliminate or minimizing resilience and distortion.
The high-strength plate of the utility model band movable brake beads is crossed drawing die, and said blank holder top is installed and inserted, and the surface of inserting is a material thick (being the thickness of product-high strength plate) with die profile gap.Play the wrinkle resistant effect of binder, prevent also that simultaneously movable brake beads from scurrying out.Said blank holder both sides through inner guide plate with outside guide plate and die shoe be slidingly matched.Guarantee flexibly.Install bin root between said upper bolster and the die shoe.The case root plays the correcting effect to the position of upper bolster and die shoe.Locate mutually by the first key between said upper bolster and the die.The first key has been arranged, and installing and locating is accurate between upper bolster and the die.There is the second key to locate mutually between said die shoe and the punch.The second key has been arranged, and installing and locating is accurate between die shoe and the punch.
Description of drawings
Fig. 1 is the structural representation that the high-strength plate of band movable brake beads is crossed drawing die.
The specific embodiment
The utility model relates to a kind of high-strength plate with movable brake beads and crosses drawing die, shown in Fig. 1, comprises upper bolster 1 and die shoe 8; At the fixing die 2 of upper bolster 1 time, solid punch 4 on the die shoe 8, it is characterized in that the outer suit blank holder 6 of said punch; Balance weight 11 is installed between blank holder 6 and the upper bolster 1, adjusting pad 10 is installed between blank holder 6 and the die shoe 8, movable brake beads 5 and bead pole 9 are installed on the blank holder; Bead pole 9 limits the mutual alignment of movable brake beads 5 and blank holder 6 through clip 13; Cushion block 21, movable brake beads 5 segmentation manufacturings, every segment length 300mm are installed between bead pole 9 lower ends and the die shoe 8; Movable brake beads and blank holder 6 are slidingly matched, and blank holder 6 goes up and down by 14 controls of firsts and seconds two-stage push rod.The product forming process, at first, upper bolster 1 is driven by the lathe slide block and rises; Blank holder 6 is by firsts and seconds two-stage push rod 14 jack-up, movable brake beads 5 retraction blank holders 6, movable brake beads and along with blank holder together rises; Blank holder after rising 13mm takes up bead pole 9, and cushion block 21 planes are left in bead pole lower end, on blank holder 6, places high strength plate and location; Then, upper bolster is 1 descending, die 2 and blank holder 6 are pushed down the high strength plate earlier, punch 4 simultaneously with the high strength plate introduce continue in the die cavity 20 descending; Bead pole 9 ejects movable brake beads 5 beadings, reaches adjusting pad 10 and extremely accomplishes overstretching, the die sinking pickup with balance weight 11 piers.Overstretching is the process that just occurred in recent years.Here the overstretching that said overstretching and exterior panel adopt in order to eliminate punch line is not a notion.Here said overstretching is meant in the overall process that stretches, and first mid-term is binder or carry out the anti-wrinkling binder of appropriateness not; And when stretching will finish in the later stage; Through using the movable brake beads structure, to product (high strength plate) edge, apply tension significantly; Make the residual compressive stress of product become tension, thereby eliminate or minimizing resilience and distortion.Said blank holder 6 tops are installed and are inserted 3, and 3 surfaces of inserting are a material thick (being the thickness of product-high strength plate) with die 2 profile gaps 19.Play the wrinkle resistant effect of binder, prevent also that simultaneously movable brake beads 5 from scurrying out.Said blank holder 6 both sides are slidingly matched through inner guide plate 7 and outer guide plate 12 and die shoe 8.Guarantee flexibly.Install bin root 15 between said upper bolster 1 and the die shoe 8.15 pairs of upper bolsters of case root 1 play the correcting effect with the position of die shoe 8.Locate mutually by first key 17 between said upper bolster 1 and the die 2.First key 17 has been arranged, and installing and locating is accurate between upper bolster 1 and the die 2.There is second key 18 to locate mutually between said die shoe 8 and the punch 4.Second key 18 has been arranged, and installing and locating is accurate between die shoe 8 and the punch 4.

Claims (6)

1. the high-strength plate of band movable brake beads is crossed drawing die; Comprise upper bolster (1) and die shoe (8), at the following fixedly die (2) of upper bolster (1), die shoe (8) is gone up solid punch (4); It is characterized in that the outer suit blank holder (6) of said punch; Between blank holder (6) and the upper bolster (1) balance weight (11) is installed, between blank holder (6) and the die shoe (8) adjusting pad (10) is installed, movable brake beads (5) and bead pole (9) are installed on the blank holder; Bead pole (9) limits the mutual alignment of movable brake beads (5) and blank holder (6) through clip (13); Between bead pole (9) lower end and the die shoe (8) cushion block (21) is installed, movable brake beads (5) segmentation manufacturing, every segment length 300mm; Movable brake beads and blank holder (6) are slidingly matched, and blank holder (6) goes up and down to be controlled by firsts and seconds two-stage push rod (14).
2. the high-strength plate of band movable brake beads as claimed in claim 1 is crossed drawing die, it is characterized in that said blank holder (6) top is installed to insert (3), and the surface of inserting is that a material is thick with die (2) profile gap (19).
3. the high-strength plate of band movable brake beads as claimed in claim 1 is crossed drawing die, it is characterized in that said blank holder (6) both sides through inner guide plate (7) and outside guide plate (12) and die shoe (8) be slidingly matched.
4. the high-strength plate of band movable brake beads as claimed in claim 1 is crossed drawing die, it is characterized in that install bin root (15) between said upper bolster (1) and the die shoe (8).
5. the high-strength plate of band movable brake beads as claimed in claim 1 is crossed drawing die, it is characterized in that being located mutually by first key (17) between said upper bolster (1) and the die (2).
6. the high-strength plate of band movable brake beads as claimed in claim 1 is crossed drawing die, and it is characterized in that has second key (18) to locate mutually between said die shoe (8) and the punch (4).
CN2011203336355U 2011-09-06 2011-09-06 Over-drawing die with movable drawing rib for high-strength plate Expired - Fee Related CN202263837U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203336355U CN202263837U (en) 2011-09-06 2011-09-06 Over-drawing die with movable drawing rib for high-strength plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203336355U CN202263837U (en) 2011-09-06 2011-09-06 Over-drawing die with movable drawing rib for high-strength plate

Publications (1)

Publication Number Publication Date
CN202263837U true CN202263837U (en) 2012-06-06

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102294406A (en) * 2011-09-06 2011-12-28 浙江黄岩冲模厂 High strength plate over-drawing mould with movable drawing rib
CN102814377A (en) * 2012-07-09 2012-12-12 烟台泰利汽车模具制造有限公司 Method for drawing and forming wide flange panel-shaped parts
CN103341556A (en) * 2013-06-26 2013-10-09 大连理工大学 Mobile type draw bead device for reducing warping springback of lateral wall of stamped part and blank holding technique thereof
CN103357754A (en) * 2013-07-12 2013-10-23 山东小鸭精工机械有限公司 Forming mould and stamping technology for n-shaped automobile cross beam
CN103861958A (en) * 2014-03-15 2014-06-18 富士瑞鹄技研(芜湖)有限公司 Stamping die with drawing rib and forming technology of stamping die
CN104015668A (en) * 2013-02-28 2014-09-03 上海新朋联众汽车零部件有限公司 Blank holder
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
US10052673B2 (en) 2016-04-22 2018-08-21 Ford Motor Company Forming method and die assembly using a bead with a step
CN110328278A (en) * 2019-08-14 2019-10-15 哈尔滨工业大学 A kind of large thin-wall curved-surface piece forming device and method

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102294406A (en) * 2011-09-06 2011-12-28 浙江黄岩冲模厂 High strength plate over-drawing mould with movable drawing rib
CN102294406B (en) * 2011-09-06 2013-07-24 浙江黄岩冲模有限公司 High strength plate over-drawing mould with movable drawing rib
CN102814377A (en) * 2012-07-09 2012-12-12 烟台泰利汽车模具制造有限公司 Method for drawing and forming wide flange panel-shaped parts
CN104015668A (en) * 2013-02-28 2014-09-03 上海新朋联众汽车零部件有限公司 Blank holder
CN103341556A (en) * 2013-06-26 2013-10-09 大连理工大学 Mobile type draw bead device for reducing warping springback of lateral wall of stamped part and blank holding technique thereof
CN103357754A (en) * 2013-07-12 2013-10-23 山东小鸭精工机械有限公司 Forming mould and stamping technology for n-shaped automobile cross beam
CN103357754B (en) * 2013-07-12 2015-04-01 山东小鸭精工机械有限公司 Forming mould and stamping technology for n-shaped automobile cross beam
CN103861958A (en) * 2014-03-15 2014-06-18 富士瑞鹄技研(芜湖)有限公司 Stamping die with drawing rib and forming technology of stamping die
CN103861958B (en) * 2014-03-15 2016-11-16 富士瑞鹄技研(芜湖)有限公司 A kind of diel with bead and moulding process thereof
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
US10052673B2 (en) 2016-04-22 2018-08-21 Ford Motor Company Forming method and die assembly using a bead with a step
CN110328278A (en) * 2019-08-14 2019-10-15 哈尔滨工业大学 A kind of large thin-wall curved-surface piece forming device and method
CN110328278B (en) * 2019-08-14 2020-06-23 哈尔滨工业大学 Large thin-wall curved surface part forming device and method

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: ZHEJIANG HUANGYAN STAMPING DIE CO., LTD.

Free format text: FORMER NAME: FACTORY OF PUNCH DIE OF HUANGYAN OF ZHEJIANG

CP01 Change in the name or title of a patent holder

Address after: 318020, 26 Xin Tang Road, Huangyan District, Zhejiang, Taizhou

Patentee after: ZHEJIANG HUANGYAN DIE CO., LTD.

Address before: 318020, 26 Xin Tang Road, Huangyan District, Zhejiang, Taizhou

Patentee before: Zhejiang Huangyan Punch Die Factory

EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120606

Termination date: 20140906