EP2092992A2 - Dispositif de pliage pour une presse à plier, notamment presse plieuse - Google Patents

Dispositif de pliage pour une presse à plier, notamment presse plieuse Download PDF

Info

Publication number: EP2092992A2
Authority: EP; European Patent Office
Prior art keywords: folding device; bending; die; leg; punch
Prior art date: 2008-02-19
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.): Granted

Application number

EP09002334A

Other languages

German (de)

English (en)

Other versions

EP2092992A3 (fr

EP2092992B1 (fr

Inventor

Heinz Leumüller

Martin Tidl

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.)

Trumpf Maschinen Austria GmbH and Co KG

Original Assignee

Trumpf Maschinen Austria GmbH and Co KG

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.)

2008-02-19

Filing date

2009-02-19

Publication date

2009-08-26

2009-02-19 Application filed by Trumpf Maschinen Austria GmbH and Co KG filed Critical Trumpf Maschinen Austria GmbH and Co KG

2009-08-26 Publication of EP2092992A2 publication Critical patent/EP2092992A2/fr

2011-06-08 Publication of EP2092992A3 publication Critical patent/EP2092992A3/fr

2012-07-18 Application granted granted Critical

2012-07-18 Publication of EP2092992B1 publication Critical patent/EP2092992B1/fr

Status Not-in-force legal-status Critical Current

2029-02-19 Anticipated expiration legal-status Critical

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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
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- 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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
- 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
- B21D5/16—Folding; Pleating

Definitions

the invention relates to a folding device as described in the preamble of claim 1.
a folding device for a bending press in particular a press brake, in which a lower, fixed in a fixed table beam bending press bending in a direction of adjustment of an upper, mounted in an adjustable press bar Bending punch, perpendicular plane has a support surface for placing the pre-canted work part.
the adjustable bending punch forms with a strip-shaped approach a support surface covering the embossing surface and the final bending of the 180 ° fold bow after placing the work piece on the support surface of the Biegegesenkes between this and the embossing surface of the adjustable bending punch.
the object of the invention is to provide a folding device with which in subsequent operations a leading edge of a sheet-metal workpiece and a subsequent finish bending to form a 180 ° - Falzbuges without making a complex tool change or conversion process is achieved.
This object of the invention is achieved by the reproduced in the characterizing part of claim 1 features.
the surprising advantage of this is that the production steps, bending to form an angularly projecting leg on the workpiece and final bending to form a 180 ° fold bow, in successive steps, saving intermediate storage and thus reducing the manipulation time and reducing cycle time is achieved.
an embodiment according to claim 2 whereby the use of a provided with a measuring device, so-called Tastusion, bending punch is possible, whereby on the one hand a high accuracy of the bending angle is achieved for the leading edge and on the other hand in such a case by the required recesses in Bending die caused by edges on the recesses stamping marks on the workpiece are effectively prevented.
a rapid adaptation of the positions of the tool holder is achieved with the bending die and the seam die to different tool configurations.
an embodiment according to claim 22 is advantageous, whereby a structurally simple end stop for limiting the adjustment of the slide element and support of the force acting on the two-arm lever element spring force is achieved.
a folding device 1 for producing a 180 ° Falzbuges on a sheet-shaped workpiece 2 between a fixed bending die 3 and an adjustable bending punch 4 and a seam die 5, a not shown in detail bending press shown.
the tool holder 7 is adjustable by means of an adjusting device on an upper side of a table beam 9 of the bending press - according to double arrow 10 - superimposed.
This adjustment is, for example, a hydraulic drive, electric drive, etc. and the adjustment is done, for example, manually against predetermined stops or program controlled by a machine control.
the bending die 3 has a V-groove 12 for the leading edge of the workpiece at a predetermined angle, for example less than 90 °, at an end face 11 opposite the clamping strip 8.
the seam die 5 is formed by an L-shaped base body 13 with a base leg 14 and a leg 15 extending parallel to the bending die 3, and is in addition to the attachment to the bending die 3 e.g. Screws 16, supported with a base surface 17 of the base leg 14 on an upper surface 18 of the tool holder 7.
the extending from the base leg 14 parallel to the bending die and at a distance 19 from the side surface 6 of the bending die 3 legs 15 has a height 20, whereby one of the base surface 17 opposite end face 21 of the leg 15 with the end face 11 of the bending die 3 in a common is aligned to a bending plane 22 vertically extending plane 23.
FIG. 1 now the position of the bending die 3 is shown with the seam die 5, in which the punch 4 in adjustment according to a - double arrow 24 - with a strip-shaped projection 25 and a projecting wedge extension 26 in a by the distance 19 of the leg 15 of the side surface 6 of Biegegesenks 3 formed gap 27 protrudes.
a thickness 28 of the strip-shaped projection 25 is slightly smaller than the distance 19.
the projection 25 and the wedge extension 26 form a common planar side surface 29, which aligned with the smallest gap formation to one of the side surface 6 of the bending die 3 opposite side surface 30 of the leg 15 is.
a total thickness 31 of a gripping head of the punch 4 is greater than the thickness 28 of the strip-shaped projection 25, whereby a side surface 29 extending in a vertical plane embossing surface 32 is formed on the punch 4, which in a corresponding position of the punch 4 for a final bending of the folding broom on Workpiece 2 cooperates with a support surface 33 formed by the end face 21 of the leg 15.
a slot-shaped receiving chamber 37 In addition to the immersion slot 36, a slot-shaped receiving chamber 37, widening the immersion slot 36, is incorporated in the leg 15.
a two-arm lever elements 38 is pivotally mounted in a pivot bearing assembly 39 about a pivot axis 40 in an adjustment plane perpendicular to the side surface 29 of the wedge extension 26, wherein the pivot axis 40, parallel to the base surface 17 of the base body 13 extends.
a lever arm 41 of the two-arm lever element 38 extends in the immersion slot 36 in the direction of the support surface 33 and a further lever arm 42 in the direction of the base surface 17.
a slider element 44 In an end region 43 of the lever arm 41 is pivotally connected to a slider element 44 in a guide arrangement 45, formed by both sides of the immersion slit 36 in the leg 15 in the side surface 30 perpendicularly extending guideways 46, 47 is slidably mounted.
a hinge 48 between the lever arm 41 and the slider member 44 is formed by a bolt 49 between a fork formation of the lever arm 41 and a bearing extension of the slider member 44.
the articulation 48 ensures an exact linear displacement of the slide element 44 during a pivotal movement of the two-arm lever element 38 in that e.g. the projected by the bolt 49 bearing extension of the slider element 44 has a slot.
the further lever arm 42 is on an end face 50 facing the base surface 17 via a spring arrangement 51, e.g. Spiral compression spring biased toward the side surface 30 of the leg 15 and has in the end region 50 preferably two adjusting cams 53, 54 which project beyond the side surface 30 of the leg 15 in the biased by the compression coil spring 52 position of the lever arm 42, i. protrude into the gap 27. This position is ensured by a stop surface of the limb 15 for the drive arm 41 connected to the slider element 44.
a spring arrangement 51 e.g. Spiral compression spring biased toward the side surface 30 of the leg 15 and has in the end region 50 preferably two adjusting cams 53, 54 which project beyond the side surface 30 of the leg 15 in the biased by the compression coil spring 52 position of the lever arm 42, i. protrude into the gap 27. This position is ensured by a stop surface of the limb 15 for the drive arm 41 connected to the slider element 44.
the arrangement of the adjusting cams 53, 54 on the lever arm 42 is such that a distance 55 between the adjusting cams 53, 54 a passing movement of the Tastusion 35 between the adjusting cam 53, 54, with an adjustment of the wedge extension 26 in the direction of the base surface 17 and dem dem Gap 27 limiting top 56 of the base leg 14 allows.
the movement element 44 movably connected to the lever arm 41 has a width 57 measured in the adjustment direction, which corresponds approximately to a thickness 58 of the limb 15 minus a projection 59 of the touch disc 35, by which it projects beyond the side surface 29 of the wedge extension 26.
the slider member 44 In the biased by the compression coil spring 52 position of the two-arm lever member 38, the slider member 44 is in a remote from the side surface 29 of the wedge extension 26 position, whereby the insertion slot 33 is released for passing the feeler disk 35.
embossed marks on the workpiece 2 are effectively prevented by edges on the immersion slot 36 during final bending of the pre-canted workpiece 2 and production of the 180 ° folding brow. which would otherwise occur when applying the forming force by the punch 4.
the pre-canted work piece 2 can be placed on the support surface 33 of the seam die 5 during the further adjustment movement of the punch 4, wherein the side surface 29 of the wedge extension 26 forms a contact surface for the workpiece 2.
Vorkantvorganges now takes place the adjustment of the tool holder 7 on the table bar 9 in the corresponding position for the bending position by a distance 61 in which the bending die 3 with the V-groove 12 and the wedge extension 36 in the bending plane 22 are aligned opposite each other ,
the position of the wedge extension 26 is shown in the gap 27 between the bending die 3 and the legs 15 of the seam die 5.
the wedge tip 34 begins to act on the adjusting cams 53, 54 of the lever arm 42 in an adjustment according to - arrow 62 - act.
One of the wedge tip 34 facing top 63 of the adjusting cams 53, 54 is in the form of a curved link, whereby a sliding emergence and adjustment of the lever arm 42 against the action of the spring assembly 51 to a total projection to which the adjusting cams 53, 54, the side surface 30 of the leg 15 project beyond, is reached.
a depth 66 of the immersion slit 36 is approximately equal to the height 20 of the leg 15 and is greater than a measured in the vertical direction between the embossing surface 32 and the wedge tip 34 length 67 of the wedge extension 26.
a vertically measured distance 68 between the support surface 33 and End face 21 of the leg 15 and the adjusting cam 53, 54 is smaller than the length 67 of the wedge extension 26th
FIG. 6 Another embodiment of the support surface 33 forming the slide member 44 is shown in this is designed as a T-nut 69 and in both sides of the immersion slot 36 and side surfaces of the gap space 37, the guide assembly 45 forming guide grooves 70 are introduced.
a balance between the linear movement of the slide member 44 and the pivotal movement of the lever arm 41 is achieved.

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Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Bending Of Plates, Rods, And Pipes (AREA)

EP09002334A 2008-02-19 2009-02-19 Dispositif de pliage pour une presse à plier, notamment presse plieuse Not-in-force EP2092992B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
AT0026708A AT505656B1 (de)	2008-02-19	2008-02-19	Falzvorrichtung für eine biegepresse, insbesondere abkantpresse

Publications (3)

Publication Number	Publication Date
EP2092992A2 true EP2092992A2 (fr)	2009-08-26
EP2092992A3 EP2092992A3 (fr)	2011-06-08
EP2092992B1 EP2092992B1 (fr)	2012-07-18

Family

ID=40427626

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP09002334A Not-in-force EP2092992B1 (fr)	2008-02-19	2009-02-19	Dispositif de pliage pour une presse à plier, notamment presse plieuse

Country Status (3)

Country	Link
US (1)	US7997115B2 (fr)
EP (1)	EP2092992B1 (fr)
AT (1)	AT505656B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN103878246A (zh) *	2014-04-08	2014-06-25	安徽新源精密模具有限公司	一种九折工件用的折弯机模具以及该工件的加工方法
AT513741B1 (de) *	2013-03-28	2014-07-15	Trumpf Maschinen Austria Gmbh	Biegewerkzeuge zum Vorbiegen und Zudrücken

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR20140022386A (ko)	2011-04-18	2014-02-24	파이프 컴파니, 엘.엘.씨.	기존 파이프의 보호 및 강화용 팽창성 라이너
US20120324977A1 (en) *	2011-06-22	2012-12-27	Wu yong-ping	Stamping tool
AT511621B1 (de)	2011-07-01	2013-04-15	Trumpf Maschinen Austria Gmbh	Falzvorrichtung für eine biegepresse und verfahren zur durchführung einer falzung
AU2015275790A1 (en)	2014-06-16	2016-12-01	Fyfe Co. Llc	Repair of pipes
CA2897301C (fr)	2014-07-14	2020-06-02	Fyfe Co. Llc	Revetement de tuyau etanche et tres resistant
CN104722612B (zh) *	2015-03-16	2016-09-14	上海元阳金属制品有限公司	折弯机上模折弯间隙调整装置及间隙调整方法
US9993992B2 (en)	2015-04-17	2018-06-12	Fyfe Co. Llc	Structural fabric useful for lining pipe
US10077855B2 (en)	2015-09-22	2018-09-18	Ina Acquisition Corp.	Method of lining pipe with high strength liner, high strength liner, and pipe lined with high strength liner
US11173634B2 (en)	2018-02-01	2021-11-16	Ina Acquisition Corp	Electromagnetic radiation curable pipe liner and method of making and installing the same
US10704728B2 (en)	2018-03-20	2020-07-07	Ina Acquisition Corp.	Pipe liner and method of making same
CN108580773B (zh) *	2018-06-09	2023-05-16	江苏华威机械制造有限公司	一种液压重锤锻造机及其智能控制方法
CN109226494B (zh) *	2018-10-31	2024-02-06	凌云西南工业有限公司	一种汽车保险杠配件级进模
CN109821974B (zh) *	2019-03-22	2024-05-07	山东小鸭精工机械有限公司	卧式扩张机
CN110695229B (zh) *	2019-10-16	2024-08-06	一汽奔腾轿车有限公司	一种冲压拉延模具定位结构
CN111803305B (zh) *	2020-08-11	2024-11-05	烟台宏远载人压力舱工程技术研究院有限公司	一种压力舱楔紧式预紧舱门
CN112058980A (zh) *	2020-09-25	2020-12-11	安徽鲲鹏装备模具制造有限公司	一种宽度自动无级调整的端折弯设备
JP7486441B2 (ja) *	2021-01-20	2024-05-17	株式会社アマダ	折曲げ加工方法
CN113915458B (zh) *	2021-11-02	2023-04-18	英索来欣(苏州)新材料科技有限公司	一种真空绝热板芯材
CN114226557B (zh) *	2021-12-17	2024-02-23	江苏泽恩汽机车部品制造有限公司	一种基于汽车支架冲压模具的侧推折弯机构
CN115193964B (zh) *	2022-07-08	2023-08-01	江苏富茹电子科技集团有限公司	一种变压器铁芯上夹件冲压成型装置
CN118403946B (zh) *	2024-07-01	2024-10-18	吉林省德立智能科技有限公司	一种汽车制造的横梁成型机构

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2008
- 2008-02-19 AT AT0026708A patent/AT505656B1/de not_active IP Right Cessation
2009
- 2009-02-18 US US12/388,279 patent/US7997115B2/en not_active Expired - Fee Related
- 2009-02-19 EP EP09002334A patent/EP2092992B1/fr not_active Not-in-force

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT513741B1 (de) *	2013-03-28	2014-07-15	Trumpf Maschinen Austria Gmbh	Biegewerkzeuge zum Vorbiegen und Zudrücken
AT513741A4 (de) *	2013-03-28	2014-07-15	Trumpf Maschinen Austria Gmbh	Biegewerkzeuge zum Vorbiegen und Zudrücken
US9868144B2 (en)	2013-03-28	2018-01-16	Trumpf Maschinen Austria Gmbh & Co. Kg.	Bending tools for pre-bending and hemming
CN103878246A (zh) *	2014-04-08	2014-06-25	安徽新源精密模具有限公司	一种九折工件用的折弯机模具以及该工件的加工方法
CN103878246B (zh) *	2014-04-08	2016-08-17	安徽新源精密模具有限公司	一种九折工件用的折弯机模具

Also Published As

Publication number	Publication date
US20100018283A1 (en)	2010-01-28
AT505656B1 (de)	2009-03-15
AT505656A4 (de)	2009-03-15
EP2092992A3 (fr)	2011-06-08
US7997115B2 (en)	2011-08-16
EP2092992B1 (fr)	2012-07-18

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