WO2014137044A1 - 유연한 성형 롤러를 구비한 무금형 판재 성형 장치 - Google Patents

유연한 성형 롤러를 구비한 무금형 판재 성형 장치 Download PDF

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Publication number
WO2014137044A1
WO2014137044A1 PCT/KR2013/007642 KR2013007642W WO2014137044A1 WO 2014137044 A1 WO2014137044 A1 WO 2014137044A1 KR 2013007642 W KR2013007642 W KR 2013007642W WO 2014137044 A1 WO2014137044 A1 WO 2014137044A1
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WO
WIPO (PCT)
Prior art keywords
forming
roller
plate
rollers
length
Prior art date
Application number
PCT/KR2013/007642
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
강범수
윤준석
Original Assignee
부산대학교 산학협력단
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 부산대학교 산학협력단 filed Critical 부산대학교 산학협력단
Priority to JP2015561253A priority Critical patent/JP2016508885A/ja
Priority to US14/361,674 priority patent/US20160221053A1/en
Publication of WO2014137044A1 publication Critical patent/WO2014137044A1/ko

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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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • 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
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/20—Bending sheet metal, not otherwise provided for
    • 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
    • B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/02—Die constructions enabling assembly of the die parts in different ways

Definitions

  • the present invention relates to a die-less plate forming apparatus, and more particularly to a die-less plate forming apparatus suitable for forming a small variety of sheet type using a flexible forming roller capable of changing the curvature.
  • a mold 1 corresponding to a target shape is manufactured on the upper and lower portions thereof, and then the press apparatus is placed therebetween. Plate-shaped products were molded and fabricated.
  • the plate forming apparatus using the conventional mold is capable of mass production of products having the same curved shape, but in order to reflect the modified or changed object shape, a new mold must be manufactured so that the mold design cost and the production of the final product can be obtained. As the unit price increased, it was not suitable for small quantity production of various kinds. In addition, even if the target shape is not modified, additional costs are incurred due to storage, maintenance and disposal if the mold is not used temporarily or permanently.
  • the upper die (11a) and lower die (11b) is a multi-point plate forming apparatus consisting of a plurality of punches each configured to be individually movable It is starting.
  • Such a multi-point plate forming apparatus can easily change the molding shape by adjusting the height of the upper and lower mold punches when the target shape is modified or changed.
  • an irregular space is generated between the sheet material and the forming apparatus, which makes it difficult to form a curved surface or a curved surface having a locally small curvature radius.
  • edges are not well formed, there is a problem that causes the waste of the material by cutting.
  • dimples or local wrinkles occur according to the size of each punch.
  • a method of forming and forming an elastic pad 25 formed of a material such as urethane between the plurality of forming punches 21a and 21b and the plate member 23 has been developed. Each punch length has to be readjusted according to the material and the shape of the object.
  • the size of the final shape of the plate is limited according to the size of the mold.
  • the final shape is divided and molded to further mechanical processing and welding.
  • the final product was manufactured by joining or by directly applying heat to the plate to form a curved surface using residual stress generated by heat.
  • additional processing has been a factor in increasing the molding cost and duration.
  • the present invention is to solve the above problems and to provide a die-less plate forming apparatus that can be easily modified even if the target shape is changed to a simple configuration, suitable for forming a small quantity of various varieties and does not cause dimples or wrinkles The purpose.
  • an object of the present invention is to provide a moldless plate forming apparatus that can be molded to the edge of the raw material and can be molded without limiting the thickness or size of the plate.
  • An apparatus for forming a dieless plate according to the present invention for achieving the above object includes: two rotatable forming rollers arranged up and down correspondingly, each of which may be bent at various curvatures; One end is fixed to each forming roller, is configured to be adjustable in length, a plurality of roller adjusting member for adjusting the curvature of the forming roller and the distance between the two forming roller according to the length; includes; By controlling the curvature and the gap of the forming roller by the form of the sheet material is characterized in that it is changed.
  • the moldless plate forming apparatus forms a plate between the two forming rollers placed up and down, not only the configuration is simple but also can be formed without limiting the size of the plate in the longitudinal direction, the roller adjustment member By adjusting the curvature and spacing of the forming roller it is possible to simply modify the molding form, which is suitable for forming small quantities of various types of plate.
  • the roller adjusting member includes an outer member having an inner thread and an inner member having an outer thread, so that the length of the roller adjusting member is adjusted according to the screw engagement length of the outer member and the inner member.
  • the curvature of the forming roller may be variously adjusted by adjusting the length of the roller adjusting member, thereby forming a sheet material such as a single curvature, a double curvature, a double curvature, a multiple curvature, a twisted shape, and the like.
  • the outer member is fixed to the forming roller
  • the inner member is connected to the motor
  • the length of the roller adjusting member can be adjusted by the rotation of the motor.
  • each roller adjusting member may be provided with a separate motor, or the roller adjusting member may be adjusted while one or a plurality of motors are moved. In this way, the length of the roller adjusting member can be easily adjusted using the motor.
  • the outer member is fixed to the forming roller
  • the end is fixed to the forming roller of the outer member is provided with a rotatable roller guide
  • the roller guide has an arcuate groove larger than the semi-circle that the forming roller is engaged Can have That is, by adjusting the length of the roller adjusting member while the forming roller is bitten by the rotatable groove, various curvatures of the forming roller can be easily changed.
  • a molded plate can be inserted between the two rotatable forming rollers, and the plate can be molded by pulling the plate to pass between the forming rollers.
  • one of the upper or lower forming rollers may be configured so that both ends are connected to the roller rotating motor to be driven by the motor, or both the upper and lower forming rollers are driven by the motor.
  • the drive shaping roller pushes out the formed plate member engaged between the shaping rollers by the rotation thereof, thereby shaping.
  • the forming roller may be formed by winding a plurality of steel wires, wherein the steel wire wound on the outer surface of the forming roller is preferably ground so that the outer surface in contact with the plate is flat.
  • a steel wire having an elliptical cross section may be wound on the outer surface of the forming roller so that the outer surface in contact with the plate is flat. In this way, by forming the plate along the continuous curved surface of the forming roller having a flat outer surface, a smooth forming surface can be obtained without local dimples or wrinkles.
  • Moldless plate forming apparatus of the present invention configured as described above is formed by adjusting the shape of the two upper and lower forming rollers and the gap between them to form a plate, the configuration is simple and the installation space is relatively small, the mold production cost, storage and Maintenance costs are greatly reduced.
  • the shape of the molding can be changed in various ways, which is suitable for forming small quantities of various types of plates. Not.
  • the plate member is molded along the continuous curved surface of the forming roller without using a plurality of punches, the sheet member can be molded to the edge of the raw material, and even in the case of a thin plate, dimples and wrinkles do not occur.
  • FIG. 1 is a view schematically showing a conventional mold sheet forming apparatus
  • FIG. 2 is a view schematically showing a conventional multi-point plate forming apparatus
  • FIG. 3 is a view schematically showing a multi-point sheet forming apparatus having a conventional elastic pad
  • Figure 4 is a perspective view schematically showing a die-less plate forming apparatus according to an embodiment of the present invention
  • FIG. 5 is a perspective view showing an embodiment of a roller adjusting member used in the moldless plate forming apparatus of FIG. 4;
  • FIG. 5 is a perspective view showing an embodiment of a roller adjusting member used in the moldless plate forming apparatus of FIG. 4;
  • FIG. 6 is a partial cross-sectional view showing an example in which the roller adjusting member of FIG. 5 is coupled to a motor;
  • FIG. 7 is a view showing another example in which the roller adjusting member of FIG. 5 is coupled to a motor;
  • FIG. 8 is a view showing an example of the configuration of a forming roller used in the die-less plate forming apparatus of FIG.
  • FIG. 9 is a view showing a modification of the forming roller of FIG. 8;
  • FIG. 10 is a view showing an embodiment of forming a plate between two forming rollers
  • FIG. 11 shows another embodiment of forming a plate between two forming rollers
  • FIG. 12 is a cross-sectional view showing the arrangement of the upper and lower forming rollers when the plate is formed in a convex form as an example of sheet forming by the die-less plate forming apparatus according to the present invention
  • FIG. 13 is a view showing a forming form of a plate member by disposing the up and down forming roller of FIG. 12; FIG.
  • FIG. 14 is a cross-sectional view showing the arrangement of the upper and lower forming rollers when the plate is molded into a saddle as another example of plate forming by the die-less plate forming apparatus according to the present invention
  • FIG. 15 is a view showing a forming form of a plate member by disposing the up and down forming roller of FIG. 14;
  • FIG. 16 is a cross-sectional view showing the arrangement of the upper and lower forming rollers when forming the plate into a twisted shape as another example of plate forming by the die-less plate forming apparatus according to the present invention
  • FIG. 4 is a view schematically showing a die-less plate forming apparatus 100 according to an embodiment of the present invention.
  • two forming rollers 101a and 101b arranged horizontally are arranged to correspond to each other up and down.
  • These forming rollers 101a and 101b are each configured to bend flexibly with various curvatures.
  • Each of the forming rollers 101a and 101b is provided with a plurality of roller adjusting members 103 to adjust the curvature, and an example of the roller adjusting member 103 is shown in FIG. More specifically shown.
  • the illustrated roller adjustment member 103 includes an outer member 105 with an inner thread and an inner member 107 with an outer thread, so that the inner member 107 is fitted to the outer member 105 and screwed therein.
  • the length of the roller adjusting member 103 is adjusted according to the screwed length of the outer member 107 and the inner member 105.
  • the roller adjusting member 103 may also be connected to the motor as shown in FIG. 6 to facilitate length adjustment. That is, the outer member 105 is fixed to the forming roller and the inner member 107 is connected to the motor, the engagement depth of the inner member 103 to the outer member 105 is changed by the rotation of the motor, so that the roller adjusting member ( The overall length of 103 is adjusted. At this time, each roller adjusting member 103 may be provided with a separate motor, but may be configured to adjust the plurality of roller adjusting members 103 while moving one or a plurality of motors as shown in FIG. .
  • the length of the roller adjusting member 103 is adjusted by rotating each inner member 103 by one or a plurality of motors, and thus the shape of the forming roller connected to one end of the outer member 105 and the upper and lower forming rollers.
  • the distance between the two (101a, 101b) is to be adjusted.
  • a rotatable roller guide 109 is provided at an end fixed to the forming rollers 101a and 101b of the roller adjusting member 103, that is, at the lower end of the outer member 105 in the embodiment of the figure.
  • the roller guide 109 is provided with an arcuate groove 109a which is larger than the semicircle in which the forming rollers 101a and 101b are engaged.
  • the rotatable roller guide 109 to which the forming rollers 101a and 101b are engaged has a roller adjusting member ( Adjusting the length of the 103 to change the curvature of the forming roller (101a, 101b) so that the forming roller can bend naturally.
  • the forming roller 101a may be formed by winding a plurality of steel wires in multiple layers.
  • the steel wire wound on the outermost surface of the forming roller (101a) is preferably processed to be ground so that the outer surface 111 in contact with the plate.
  • the outer surface of the forming roller 101a may be wound with a steel wire having an elliptical cross section to form a flat surface 111a in contact with the sheet material.
  • the forming rollers 101a and 101b may also be configured to automatically rotate when both ends are connected to the roller rotating motor 113 as shown in FIG. 4, in which case the plate 102 is up and down as shown in FIG. 10. It is molded while being pushed out by the rotation of the forming rollers 101a and 101b while being engaged between the forming rollers 101a and 101b. At this time, the molding shape of the plate member 102 is determined by the shape of the two forming rollers 101a and 101b and the gap therebetween, and the shape and spacing of the forming rollers 101a and 101b are as described above according to the desired shape. It is adjusted by the roller adjusting member 103 as well.
  • the roller rotating motor 113 may be connected to only the upper forming roller 101a or the lower forming roller 101b to transmit driving force, or the roller rotating motor may be omitted.
  • the plate 102 is inserted between the upper and lower forming rollers 101a and 101b and pulled from the opposite side to be molded.
  • the forming shape of the plate material 102 is also determined by the form of the two forming rollers 101a and 101b and the gap therebetween, which is controlled by the roller adjusting member 103.
  • the plate by adjusting the shape and spacing of the flexible forming roller, it is possible to simply modify the forming shape in accordance with the change of the target shape, the two upper and lower forming rollers (101a, 101b) to provide a continuous forming surface Since it is engaged with the sheet material 102, there is no fear of dimples or wrinkles.
  • the molding shape of the plate 102 is determined by the curvature of the two forming rollers 101a and 101b corresponding to the top and bottom and the gap therebetween. That is, the length change amount of the plate
  • the curved surface of the plate member 102 is molded by the principle of the small amount of length change.
  • the distance between the two forming rollers 101a and 101b is gradually widened in one direction as shown in FIG. 16, and is generally arranged at an interval of e> d> c> b> a, the plate 102 as shown in FIG. 17. ),
  • the length change amount is formed into a twist type with a '> b'> c '> d'> e '.
  • the curvature and the spacing of the forming rollers 101a and 101b may be adjusted to various shapes by adjusting the length of the roller adjusting member 103, and thus, the plate 102 may be molded into various shapes. Therefore, the sheet forming apparatus of the present invention is not only suitable for forming a small quantity of various kinds of sheets, but also can be molded to the edge of the sheet, and the sheet can be formed without limitation on the length of the sheet.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
PCT/KR2013/007642 2013-03-07 2013-08-27 유연한 성형 롤러를 구비한 무금형 판재 성형 장치 WO2014137044A1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015561253A JP2016508885A (ja) 2013-03-07 2013-08-27 可撓性成形ローラーを備える無金型板材成形装置
US14/361,674 US20160221053A1 (en) 2013-03-07 2013-08-27 Dieless sheet forming apparatus with flexible rollers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2013-0024711 2013-03-07
KR1020130024711A KR101309228B1 (ko) 2013-03-07 2013-03-07 유연한 성형 롤러를 구비한 무금형 판재 성형 장치

Publications (1)

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WO2014137044A1 true WO2014137044A1 (ko) 2014-09-12

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PCT/KR2013/007642 WO2014137044A1 (ko) 2013-03-07 2013-08-27 유연한 성형 롤러를 구비한 무금형 판재 성형 장치

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US (1) US20160221053A1 (ja)
JP (1) JP2016508885A (ja)
KR (1) KR101309228B1 (ja)
WO (1) WO2014137044A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101420588B1 (ko) 2014-03-19 2014-07-17 김형호 다이리스 성형장치
KR101817838B1 (ko) * 2015-10-22 2018-01-11 부산대학교 산학협력단 곡률 반경을 향상시킨 유연한 성형 롤러 성형 장치
CN110560533B (zh) * 2019-09-16 2021-10-08 武汉纺织大学 金属表面微结构阵列的柔性滚压成形方法及装置
CN111804777B (zh) * 2020-07-17 2023-07-04 广东鑫森建设工程有限公司 一种型材弯曲加工成型方法
CN112588910B (zh) * 2020-11-26 2023-03-14 北京星航机电装备有限公司 一种曲面成型装置及曲面工件成型方法
CN117000843B (zh) * 2023-08-17 2024-05-03 烟台亿众智能科技有限公司 一种新能源柔性制造设备

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JP2001353529A (ja) * 2000-06-14 2001-12-25 National Institute Of Advanced Industrial & Technology フレキシブルロール成形装置
KR20060065575A (ko) * 2005-12-13 2006-06-14 한국과학기술원 다양한 형상의 이중 곡률을 가지는 금속판재를 성형하기위한 선형 배열 롤셋 및 이를 이용한 성형방법
KR20080103968A (ko) * 2006-02-21 2008-11-28 질린 유니벌시티 3차원 형상의 소재를 성형하는 가요성 성형장치

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US3604087A (en) * 1970-03-13 1971-09-14 Beloit Corp Antideflection roll
JPH0988935A (ja) * 1995-09-26 1997-03-31 Nippon Cable Syst Inc トルク伝達用ケーブル
JPH09295051A (ja) * 1996-04-30 1997-11-18 Showa Alum Corp 中空パネルの曲面形成方法およびそれにより得られた自動車用遮光パネル
KR101034592B1 (ko) * 2008-05-30 2011-05-12 부산대학교 산학협력단 다수의 성형 펀치를 포함하는 판재 성형 장치 및 이를이용한 판재 성형 방법
CN102380532A (zh) * 2011-11-19 2012-03-21 吉林大学 用于板材三维曲面成形的曲面轧制装置和方法

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Publication number Priority date Publication date Assignee Title
JP2001353529A (ja) * 2000-06-14 2001-12-25 National Institute Of Advanced Industrial & Technology フレキシブルロール成形装置
KR20060065575A (ko) * 2005-12-13 2006-06-14 한국과학기술원 다양한 형상의 이중 곡률을 가지는 금속판재를 성형하기위한 선형 배열 롤셋 및 이를 이용한 성형방법
KR20080103968A (ko) * 2006-02-21 2008-11-28 질린 유니벌시티 3차원 형상의 소재를 성형하는 가요성 성형장치

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KR101309228B1 (ko) 2013-09-23
US20160221053A1 (en) 2016-08-04
JP2016508885A (ja) 2016-03-24

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