US20120137749A1 - Press system - Google Patents

Press system Download PDF

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Publication number
US20120137749A1
US20120137749A1 US13/174,535 US201113174535A US2012137749A1 US 20120137749 A1 US20120137749 A1 US 20120137749A1 US 201113174535 A US201113174535 A US 201113174535A US 2012137749 A1 US2012137749 A1 US 2012137749A1
Authority
US
United States
Prior art keywords
blank holder
lower die
panel
die punch
sub blank
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.)
Abandoned
Application number
US13/174,535
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English (en)
Inventor
Joo Suk Park
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.)
Hyundai Motor Co
Original Assignee
Hyundai Motor Co
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 Hyundai Motor Co filed Critical Hyundai Motor Co
Assigned to HYUNDAI MOTOR COMPANY reassignment HYUNDAI MOTOR COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PARK, JOO SUK
Publication of US20120137749A1 publication Critical patent/US20120137749A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/04—Blank holders; Mounting means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B21D22/06—Stamping using rigid devices or tools having relatively-movable die parts

Definitions

  • the present invention relates to a press system, and more particularly, to a press system preventing a molded product panel from bursting or being torn due to a difference in molding depth caused by a protrusion shape when a material panel is molded.
  • a vehicle maker produces a vehicle by assembling about 20000 to 30000 components through several assembly processes.
  • product panels are produced through various kinds of press systems in the first stage of a vehicle manufacturing process, and is transferred to a vehicle body factory where each portion of the product panels is assembled to form a vehicle body in body in white (B.I.W).
  • the draw molding process is a major process which plastically processes a material according to product data and determines 90% or more of the quality of a panel component.
  • a lower die punch 101 having a lower end surface shape of a product panel is mounted on a lower bolster 103 .
  • a blank holder 107 is mounted on the bolster 103 through cushion pins 105 .
  • an upper die 111 having an upper end surface shape of the product panel is mounted on an upper slider 109 over the lower die punch 101 , and a material panel 113 lies on the blank holder 107 between the upper die 111 and the lower die punch 101 and is pressed to form a product panel.
  • the panel 113 is inserted between the upper die 111 and the lower die punch 101 and the panel 113 is put on the blank holder 107 .
  • the upper die 111 descends such that the edge of the panel 113 is held by a dieface surface of the upper die 111 and a dieface surface of the blank holder 107 as shown in S 2 of FIG. 1 , and the upper die 111 and the blank holder 107 descend together as shown in S 3 of FIG. 3 so as to plastically process the panel 113 into a product panel by press molding, as shown S 4 of FIG. 1 .
  • the general press system has a problem in which the product panel bursts or is torn at a portion molded in a protrusion shape due to a difference in molding depth in a case of molding a material panel integrally with a protrusion shape such as a spoiler applied to a tail gate of a hatchback style vehicle or an RV vehicle.
  • the general press system involves problems in which when a material panel is molded, the depth of the protrusion shape is restricted to reduce moldability, a separate additional structure should be mounted to implement the protrusion shape to increase the cost, and the marketability of the molded product panel is reduced.
  • the present invention has been made in an effort to provide a press system having advantages of preventing a molded product panel from bursting or being torn due to a difference in molding depth caused by a protrusion shape to improve the moldability and marketability of the product panel when press molding is performed on a material panel.
  • An exemplary embodiment of the present invention provides a press system including: a lower die punch provided on a bolster and having a lower surface shape of a product panel; a blank holder provided on the outside of the lower die punch and mounted on the bolster through cushion pins; an upper die having an upper surface shape of the product panel, mounted on the slider, and pressing a material panel together with the lower die punch to mold the product panel; and a sub blank holder unit provided inside the lower die punch by performing the molding while holding a portion of the material panel to be molded into a protrusion shape together with the upper die such that a difference in molding depth is compensated.
  • the sub blank holder unit may include a mount plate mounted on one side of an upper portion of the bolster, a sub blank holder provided inside the lower die punch to be sildable and holding a portion of the material panel, and at least one elastic member provided between the mount plate and the sub blank holder and providing elastic force to the sub blank holder.
  • the elastic member may be made of a gas-cylinder-type spring.
  • the elastic member may be provided in plural, and the plurality of elastic members may be mounted at equal intervals between the mount plate and the sub blank holder.
  • FIG. 1 is a view illustrating operation states of a general press system in stages.
  • FIG. 2 is a cross-sectional view of a press system according to an exemplary embodiment of the present invention.
  • FIG. 3 is a view illustrating operation states of the press system according to the exemplary embodiment of the present invention in stages.
  • vehicle or “vehicular” or other similar term as used herein is inclusive of motor vehicles in general such as passenger automobiles including sports utility vehicles (SUV), buses, trucks, various commercial vehicles, watercraft including a variety of boats and ships, aircraft, and the like, and includes hybrid vehicles, electric vehicles, plug-in hybrid electric vehicles, hydrogen-powered vehicles and other alternative fuel vehicles (e.g., fuels derived from resources other than petroleum).
  • a hybrid vehicle is a vehicle that has two or more sources of power, for example both gasoline-powered and electric-powered vehicles.
  • FIG. 2 is a cross-sectional view of a press system according to an exemplary embodiment of the present invention.
  • a lower die punch 1 having a lower surface shape of a product panel is mounted on a lower bolster 3 .
  • a blank holder 7 is provided on the bolster 3 through cushion pins 5 .
  • an upper die 11 having an upper surface shape of the product panel is mounted on an upper slider 9 over the lower die punch 1 , and a material panel P is put on the blank holder 7 and is pressed to form the product panel.
  • the press system includes a sub blank holder unit 20 provided inside the lower die punch 1 .
  • the sub blank holder unit 20 is provided inside the lower die punch 1 to perform the molding while holding a portion of the material panel P to be molded into a protrusion shape together with the upper die 11 .
  • Each blank holder 7 holds the edge of the material panel P and then the sub blank holder unit 20 performs the molding while holding the portion to be molded into the protrusion shape together with the upper die 11 descended by the slider 9 .
  • the sub blank holder unit 20 holds the portion of the material panel P to be molded into the protrusion shape so as to adjust an input amount of a material (the amount input when the material is molded), thereby compensating a depth difference between a deeply molded portion and a shallowly molded portion in a product panel having a protrusion shape.
  • the sub blank holder unit 20 includes a mount plate 21 , a sub blank holder 23 , and an elastic member 25 .
  • the mount plate 21 is provided on the bolster 3 .
  • the sub blank holder 23 is provided to be slidable upward and downward in the lower die punch 1 , and holds a portion of the material panel P together with the upper die 11 .
  • At least one elastic member 25 is provided between the mount plate 21 and the sub blank holder 23 and provides elasticity to the sub blank holder 23 .
  • each elastic member 25 may be made of a gas-cylinder-type spring.
  • elastic members 25 are spaced apart from each other at predetermined intervals and are mounted at equal intervals between the mount plate 21 and the sub blank holder 23 . In the present exemplary embodiment, three elastic members are mounted at equal intervals.
  • FIG. 3 is a view illustrating operation states of the press system according to the exemplary embodiment of the present invention in stages.
  • the sub blank holder 23 of the sub blank holder unit 20 maintains a state in which the sub blank holder 23 has risen from the lower die punch 1 together with each blank holder 7 by the elastic member 25 .
  • a material panel P is inserted between the lower die punch 1 and the upper die 11 and is put on the blank holders 7 and the sub blank holder 23 .
  • the upper die 11 descends by the slider 9 and thus the edge of the material panel P is held by a dieface surface of the upper die 11 and a dieface surface of the blank holder 7 as shown in S 20 of FIG. 3 .
  • the upper die 11 In the state in which the edge of the material panel P is held by the blank holders 7 and the upper die 11 , the upper die 11 continuously descends.
  • the sub blank holder 23 holds a portion of the material panel P to be molded into a protrusion shape on the upper die 11 as shown in S 30 of FIG. 3 .
  • the blank holders 7 and the sub blank holder 23 sequentially hold the material panel P on the upper die 11 so as to adjust an input amount of a material before molding starts. Therefore, a difference in molding depth in the material panel P is compensated and moldability is secured through volume securement.
  • the press system holds one side of the material panel P to be molded into a protrusion shape through the sub blank holder unit 20 configured inside the lower die punch 1 so as to perform the molding with a material input amount adjusted. Therefore, the difference in molding depth caused by the protrusion shape can be compensated so as to improve moidability and improve the marketability of the molded product panel.
US13/174,535 2010-12-06 2011-06-30 Press system Abandoned US20120137749A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100123462A KR20120062273A (ko) 2010-12-06 2010-12-06 프레스 장치
KR10-2010-0123462 2010-12-06

Publications (1)

Publication Number Publication Date
US20120137749A1 true US20120137749A1 (en) 2012-06-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
US13/174,535 Abandoned US20120137749A1 (en) 2010-12-06 2011-06-30 Press system

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US (1) US20120137749A1 (ko)
KR (1) KR20120062273A (ko)

Cited By (42)

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CN102814399A (zh) * 2012-08-02 2012-12-12 烟台泰利汽车模具制造有限公司 一种汽车覆盖件修边、冲孔、分离模具及方法
CN102847793A (zh) * 2012-08-24 2013-01-02 昆山荣腾模具部品制造有限公司 一种修边翻边侧冲孔复合模具
CN102861818A (zh) * 2012-09-07 2013-01-09 宁波市奇精机械有限公司 一种台铃铃体切口模具
CN102861822A (zh) * 2012-09-27 2013-01-09 六安市恒兴工贸有限责任公司 一种压型模
CN102896219A (zh) * 2012-09-17 2013-01-30 芜湖世达模具有限公司 一种成型模具及其冲压方法
CN102921788A (zh) * 2012-11-05 2013-02-13 常州星宇车灯股份有限公司 用于压制多台阶形金属钣金件的冲压装置
CN102921810A (zh) * 2012-11-16 2013-02-13 衡阳风顺车桥有限公司 汽车u型支架成型翻边模具
CN103111508A (zh) * 2012-11-14 2013-05-22 无锡爱博金属制品有限公司 行李箱盖锁加强板切边模具
CN103406445A (zh) * 2013-07-19 2013-11-27 亿森（上海）模具有限公司 一种圆弧状整圈侧翻边活动机构
CN103418687A (zh) * 2013-08-02 2013-12-04 龚志辉 一种具有类筋板型面的大型冲压零件拉延模具
CN103418676A (zh) * 2013-08-28 2013-12-04 东风柳州汽车有限公司 车门板冲压翻孔的方法
CN103447386A (zh) * 2013-08-15 2013-12-18 昆山达亚汽车零部件有限公司 双动一次成型模具及其成型方法
CN103464613A (zh) * 2013-09-30 2013-12-25 大连益联金属成型有限公司 一种隔热罩的生产专用模具组
CN103480743A (zh) * 2013-09-30 2014-01-01 大连益联金属成型有限公司 一种隔热罩压筋模具
CN103506490A (zh) * 2013-09-16 2014-01-15 天津汽车模具股份有限公司 汽车覆盖件修边退料的装置和方法
CN103586353A (zh) * 2013-11-25 2014-02-19 东风汽车公司 汽车左右翼子板冲压工艺及其拉延模具
CN104338845A (zh) * 2013-08-06 2015-02-11 上海众大汽车配件有限公司 一种汽车侧围内板下部零件模具
CN104492940A (zh) * 2014-10-16 2015-04-08 上海众大汽车配件有限公司 一种汽车水箱总成零件的修边翻边模具
CN104801614A (zh) * 2015-05-11 2015-07-29 江西江铃底盘股份有限公司 一种扩孔翻边压印模具
CN104942145A (zh) * 2015-06-18 2015-09-30 重庆讯通精密模具有限公司 一种f5支架m1氮气弹簧冲压模具
CN105057458A (zh) * 2015-08-17 2015-11-18 上海众大汽车配件有限公司 一种汽车隔板零件的连续生产模具
CN105396956A (zh) * 2015-12-30 2016-03-16 葛建锋 一种散热器主板切边翻边成型模具
CN105945150A (zh) * 2016-05-25 2016-09-21 奇瑞汽车股份有限公司 车身侧围外板拉延模具及拉延方法
CN106077281A (zh) * 2016-06-03 2016-11-09 昆山威特亿模具有限公司 用于汽车钣金件的拉延成形模具
CN106077273A (zh) * 2016-08-02 2016-11-09 四川宏术汽车钢板弹簧厂 一种钢板弹簧轧制热打标识整形装置
CN106311898A (zh) * 2015-07-08 2017-01-11 无锡鹏德汽车配件有限公司 一种消声器隔板双向复合成型模具
CN106734726A (zh) * 2016-12-29 2017-05-31 上海千缘汽车车身模具有限公司 一种汽车地板加工生产线
CN106734613A (zh) * 2016-12-26 2017-05-31 昆山新鸿企业机械制造有限公司 一种汽车控制臂翻边整形模具
CN107363147A (zh) * 2016-05-13 2017-11-21 奥迪股份公司 制造大拉伸深度的复杂板材成型件的方法和冲压模具
CN107570626A (zh) * 2017-07-18 2018-01-12 江西昌河航空工业有限公司 一种用于直升机桨叶包铁成形的工艺方法
CN107824686A (zh) * 2017-11-04 2018-03-23 滁州市新康达金属制品有限公司 冰箱后背板冲裁翻边模具
CN107855396A (zh) * 2017-11-30 2018-03-30 上汽通用五菱汽车股份有限公司 一种开口拉深双动压料的双动拉延模具
CN108480477A (zh) * 2018-03-05 2018-09-04 无锡市振华汽车部件股份有限公司 一种多产品共模生产工艺
CN109290419A (zh) * 2018-09-28 2019-02-01 重庆精惠工业服务有限公司 一种自动压边装置
CN109550846A (zh) * 2018-12-25 2019-04-02 广州敏实汽车零部件有限公司 中柱内板翻边模具及应用翻边模具的生产工艺
CN110000285A (zh) * 2019-03-06 2019-07-12 无锡曙光模具有限公司 一种用于座椅安装支架的冲压模具及其加工工艺
CN110153282A (zh) * 2018-02-06 2019-08-23 滁州昭阳电信通讯设备科技有限公司 一种单面凹型筒型件的加工设备
US10601025B2 (en) * 2011-12-13 2020-03-24 Exide Technologies, Llc Single punch method of making battery plates for lead-acid batteries
CN110899509A (zh) * 2019-12-16 2020-03-24 洪明祈 一种板材切边成型模具
CN113020368A (zh) * 2021-02-04 2021-06-25 陕汽淮南专用汽车有限公司 一种阻浪板圆孔翻边模具
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CN108188277B (zh) * 2018-01-10 2023-09-08 上海英汇科技发展有限公司 尖角型面汽车窗框饰条的成型模具及成型方法

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Cited By (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10601025B2 (en) * 2011-12-13 2020-03-24 Exide Technologies, Llc Single punch method of making battery plates for lead-acid batteries
CN102814399A (zh) * 2012-08-02 2012-12-12 烟台泰利汽车模具制造有限公司 一种汽车覆盖件修边、冲孔、分离模具及方法
CN102847793A (zh) * 2012-08-24 2013-01-02 昆山荣腾模具部品制造有限公司 一种修边翻边侧冲孔复合模具
CN102861818A (zh) * 2012-09-07 2013-01-09 宁波市奇精机械有限公司 一种台铃铃体切口模具
CN102896219A (zh) * 2012-09-17 2013-01-30 芜湖世达模具有限公司 一种成型模具及其冲压方法
CN102861822A (zh) * 2012-09-27 2013-01-09 六安市恒兴工贸有限责任公司 一种压型模
CN102921788A (zh) * 2012-11-05 2013-02-13 常州星宇车灯股份有限公司 用于压制多台阶形金属钣金件的冲压装置
CN103111508A (zh) * 2012-11-14 2013-05-22 无锡爱博金属制品有限公司 行李箱盖锁加强板切边模具
CN102921810A (zh) * 2012-11-16 2013-02-13 衡阳风顺车桥有限公司 汽车u型支架成型翻边模具
CN103406445A (zh) * 2013-07-19 2013-11-27 亿森（上海）模具有限公司 一种圆弧状整圈侧翻边活动机构
CN103418687A (zh) * 2013-08-02 2013-12-04 龚志辉 一种具有类筋板型面的大型冲压零件拉延模具
CN104338845A (zh) * 2013-08-06 2015-02-11 上海众大汽车配件有限公司 一种汽车侧围内板下部零件模具
CN103447386A (zh) * 2013-08-15 2013-12-18 昆山达亚汽车零部件有限公司 双动一次成型模具及其成型方法
CN103418676A (zh) * 2013-08-28 2013-12-04 东风柳州汽车有限公司 车门板冲压翻孔的方法
CN103506490A (zh) * 2013-09-16 2014-01-15 天津汽车模具股份有限公司 汽车覆盖件修边退料的装置和方法
CN103464613A (zh) * 2013-09-30 2013-12-25 大连益联金属成型有限公司 一种隔热罩的生产专用模具组
CN103480743A (zh) * 2013-09-30 2014-01-01 大连益联金属成型有限公司 一种隔热罩压筋模具
CN103586353A (zh) * 2013-11-25 2014-02-19 东风汽车公司 汽车左右翼子板冲压工艺及其拉延模具
CN104492940A (zh) * 2014-10-16 2015-04-08 上海众大汽车配件有限公司 一种汽车水箱总成零件的修边翻边模具
CN104801614A (zh) * 2015-05-11 2015-07-29 江西江铃底盘股份有限公司 一种扩孔翻边压印模具
CN104942145A (zh) * 2015-06-18 2015-09-30 重庆讯通精密模具有限公司 一种f5支架m1氮气弹簧冲压模具
CN106311898A (zh) * 2015-07-08 2017-01-11 无锡鹏德汽车配件有限公司 一种消声器隔板双向复合成型模具
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CN105396956A (zh) * 2015-12-30 2016-03-16 葛建锋 一种散热器主板切边翻边成型模具
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