EP1702692A1 - Machine à border - Google Patents

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Publication number
EP1702692A1
EP1702692A1 EP06115742A EP06115742A EP1702692A1 EP 1702692 A1 EP1702692 A1 EP 1702692A1 EP 06115742 A EP06115742 A EP 06115742A EP 06115742 A EP06115742 A EP 06115742A EP 1702692 A1 EP1702692 A1 EP 1702692A1
Authority
EP
European Patent Office
Prior art keywords
crimping
tool
hemming
base frame
bed
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.)
Granted
Application number
EP06115742A
Other languages
German (de)
English (en)
Other versions
EP1702692B1 (fr
Inventor
Ralph Hoffstadt
Bruno Strausfeld
Artur Rüscher
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.)
Ford Werke GmbH
Original Assignee
Ford Werke GmbH
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 Ford Werke GmbH filed Critical Ford Werke GmbH
Priority to ES06115742T priority Critical patent/ES2304182T3/es
Priority to EP06115742A priority patent/EP1702692B1/fr
Priority claimed from EP03101031A external-priority patent/EP1402968B1/fr
Priority claimed from EP99123455A external-priority patent/EP1103320B1/fr
Publication of EP1702692A1 publication Critical patent/EP1702692A1/fr
Application granted granted Critical
Publication of EP1702692B1 publication Critical patent/EP1702692B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
    • B21D39/021—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder for panels, e.g. vehicle doors

Definitions

  • the invention relates to a hemming device for metal sheets, in particular for body panels in vehicle construction with a base frame, with a hebund lowerable hemming bed and with movable in the workspace of the hemming Bördelbacken.
  • Such a flanging device is known from the DE 19801561 in which an electromechanical drive of the crimping bed is proposed both for the offset stroke between the crimping jaws and the working stroke.
  • the flared jaws are pivotally mounted on the machine frame and are moved by means of pneumatic cylinders.
  • flaring and hold down must be individually installed and removed and adjusted, which is very time consuming and causes long downtime of the hemming.
  • the crimping device stands still for the duration of the maintenance work.
  • Hydraulic drives of flaring devices are noisy and require increased maintenance. It is therefore trying to use other drives such.
  • the invention is therefore based on the object, a hemming to develop, which requires a small amount of time for maintenance and change of Bördeltechnikmaschinectiones as simple as possible, low-maintenance drives.
  • the hemming tool is a self-contained unit that can be transported in any way that retains its workpiece-specific settings and adjustments regardless of whether or not it is in the hemming device. For both tool maintenance and tool change, the hemming tool can be quickly and easily removed from the hemming device and replaced with another hemming tool. Necessary work on the crimping tool are performed outside of the crimping, while on the crimping device with the other crimping tool another workpiece can be edited. After re-introduction and attachment of the crimping tool in the base frame, the crimping device is immediately ready for use again.
  • the base frame includes all non-work piece specific components, these are mainly the drives for flanging and crimping jaws, and it absorbs all forces occurring during the flanging.
  • the interfaces for the transmission of driving forces are modular, so that the same drives can be used without modification for different crimping tool.
  • a crimping jack which transmits the driving force to the hemming bed, wherein the drive of the hemming can be done both hydraulically, pneumatically or electromechanically.
  • the hemming bed is firmly connected to the crimping jack, wherein the connection manually by z. B. a screw connection or is ensured by an automatic locking. In the latter case, the crimping bed itself centered by means of suitable receptacles at the first stroke of the crimping jack after installation of the Flanging.
  • the hemming drive is a removable unit which essentially comprises a base plate attached to the drive base plate, the movable, guided in the base frame crimping, which carries the Bördelbettt, and a drive between the drive base plate and crimping.
  • a further embodiment of the invention provides to carry out the required large Versetzhub between the crimping jaws by means of an electrically driven Spindelhubvorraum and the small stroke for the crimping by means of one or more compressed air cushion, the Spindelhubvorides is protected during the working stroke by a locking mechanism against damage to the spindle.
  • An advantageous embodiment of this embodiment provides that the crimping jack, on which rests the crimping, is part of the Spindelhubvorides.
  • the entire Spindelhubvorides is arranged including its locking mechanism on the compressed air cushion, so it is moved with each stroke. Since the compressed air cushions are arranged at the bottom of the base frame, the hemming can be carried out with a large height.
  • the resulting long guideways between crimping jack and base frame ensure the guidance of the crimping jack even with changing force application points due to the workpiece tolerances or different crimping tools.
  • the base frame has a viewed in the horizontal direction continuous tool holder of at least the size of the hemming tool.
  • the crimping tool can be pushed in and out of the base frame from any desired side into the base frame.
  • the tensioning of the crimping tool in the base frame can, depending on the required tool change time as a manual screw or fully automatic done by means of electromechanical clamping elements.
  • the crimping tools when changing the changeover tables are mounted on one or both sides of the tool holder on the base frame. There, the crimping tools can be serviced directly or prepared for further transport. In the shuttle tables and the devices for pulling or pushing the crimping tools are arranged.
  • a particular embodiment of the crimping device provides the drives for the crimping jaws in the base frame laterally on the tool holder. At the corresponding point in the crimping tool there are crimping slides with crimping jaws, whereby the crimping jaws are displaceable into the working area of the crimping bed.
  • the drive may be effected directly or via an inclined plane.
  • corresponding return devices such as inclined planes, compression springs or the like are provided in the crimping tool. Due to this form of power transmission, no further coupling of the crimping slide with the crimping drives is required during assembly of the crimping tool; it is sufficient to position the crimping tool in the intended installation position in the base frame.
  • a further embodiment of the crimping tool according to the invention provides a base plate and a cover plate, both of which form the tool frame with spacers at the corners. Between the base and cover plate are the movable flare slides. In the middle, the base plate has a breakthrough of at least the size of the crimping bed. In this breakthrough, the hemming bed is fixed during the tool change and transport, with the hemming bed then being designed so that it does not protrude down beyond the contour of the base plate.
  • Both the cover plate of the hemming tool and the top of the base frame have an opening of at least the size of the workpiece, through which the hemming tool can be loaded from above with the workpiece.
  • the workpiece itself is held in the flanging bed by hold-down during the flanging process.
  • the holding-down device can be integrated in the flanging tool or arranged on the upper side of the base frame, or the function of the hold-down device can be completely taken over by the robot arm, which also loads the flanging device with the workpiece.
  • a lowered position in the base frame is provided for the crimping bed.
  • the crimping tool can be removed without the crimping bed from the base frame. This position is intended for short-term maintenance on the flared jaws and allows easier access to them.
  • a flanging device which is composed of the two essential components of the base frame 1 and crimping tool 2.
  • the base frame 1 contains only body part-independent standard elements:
  • the base frame 3 as a central element takes on guided with sliding plates 4 Bördelheber 5 for the flanging.
  • a maintenance stakeout 6 for the crimping jack 5 makes it possible to fix the crimping jack 5 during maintenance work.
  • the bottom plate 7 is provided for the attachment of the crimping device on the ground.
  • Above completes the base frame with the frame top plate 8, in which also necessary for the crimping tool 2 clamping and centering units 9 are arranged.
  • the opening 10 in the frame cover plate 8 is used to load the hemming tool 2 with the workpiece 11. Between base frame 3 and frame cover plate 8 is the continuous tool holder 12 for receiving the hemming tool 2 in the base frame first
  • the tool frame of the crimping tool 2 consists of a base plate 13, a cover plate 14 and the spacers 15, which are arranged at the four corners of the tool frame.
  • the alignment and attachment of the crimping tool 2 in the base frame 1 is carried out by the clamping and centering units 9.
  • Between base plate 13 and cover plate 14 are the movable crimping slide 16 with the 45 ° crimping jaws 17 for prebending and the 90 ° crimping jaws 18 for finish crimping.
  • the base plate 13 has an opening 19 of at least the size of the flanging bed 20.
  • the hemming bed 20, which serves to receive the workpiece 11, is loosely arranged in the hemming tool 2 and fixed to the hemming jack 5 connected. When crimping, it is guided by the crimping jack 5 and also moved in terms of power.
  • the hemming drive 21, which acts on the hemming jack 5, is arranged on the bottom plate 7 of the base frame
  • the hemming drive has a hemming drive base plate 22, which is screwed to the base plate 7 of the base frame 1.
  • the compressed air cushion 24 are arranged to perform the working stroke for the flanging by lifting the work base plate 23.
  • a double column guide 25 is provided for the exact alignment of Bördelantriebsgroundplatte 22 and Hähubgroundplatte 23 . A uniform distance between the two plates at rest is ensured by the spacers 26.
  • the offset stroke between the crimping jaws is carried out by the spindle lifting device, which is arranged on Hähubgroundplatte 23.
  • the electric motor 27, the gear 28 and the driven spindle 29 raise or lower the crimping jack 5 'according to the desired offset stroke.
  • the spindle 29 is relieved by a Verriegelungsmechnismus. This consists of two or more on the Häshubgroundplatte 23 slidably arranged Abstandsklötzen 30 which are moved by the positioning means 31 so under the crimping jack 5 ', either the upper shoulder 32 or the lower shoulder 33 the crimping jack 5' store and thereby the essential Transferring forces of the working stroke.
  • FIG. 3 A view of the flanging device with changing tables 34 is shown in FIG. 3 .
  • the shuttle tables 34 allow the crimping tools 2 to the right or to slide left out of the base frame 1. While a crimping tool 2 is still in the base frame 1 and the crimping device is in operation, the crimping tool 2 'located on the shuttle table 34 is serviced, adjusted or prepared for use.
  • FIGs. 4a - 4c Various stages in the crimping tool 2 are shown in Figs. 4a - 4c .
  • 4a shows the Vorbördelung of the workpiece 11.
  • the hemming bed 20 is located at the height of the 45 ° crimping jaws 17 which are arranged on the Bördelschiebern 16.
  • the Vorbördelung the workpiece 11 is effected.
  • Fig. 4b shows the crimping tool 2 during the offset stroke.
  • the crimping slide 16 have moved outward, and thus all the crimping jaws 17, 18 are removed from the working area of the crimping bed 20.
  • the hemming bed 20 is raised to the Fertigbördelposition, as shown in Fig. 4c.
  • the crimping jaws travel again into the working area of the crimping bed 20.
  • the workpiece 11 is finish crimped to the 90 ° crimping jaws 18.
  • FIG. 5 shows a top view of the crimping slides and their arrangement in a crimping tool 35 according to the invention.
  • the crimping jaws 36 following the contour of the workpiece 11 are movable into the working area of the crimping bed by being mounted on the crimping slides 37, 38.
  • the drives 39 of the crimping jaws are arranged laterally on the tool opening 12 of the base frame 2 and directly transmit a compressive force on the crimping tool 35.
  • this driving force can be converted into a direct, rectilinear movement into the working area the crimping bed 20 are implemented.
  • a return mechanism 40 is provided, which by means of compression springs, Compressed air cylinders o. ⁇ . Applying the return force.
  • the end face arranged flare 38 have a direction perpendicular to the drives 39 movement direction. Therefore, the actuators 39 first act on auxiliary slides 41, which generate the required movement of the crimping slide 38 into the working area of the crimping bed 20 via an inclined plane 42. Again, a return mechanism 40 is provided in order to drive back the crimping slide can again.
  • FIG. 6 shows how, for short-term maintenance work on the hemming tool 2, the hemming bed 20 is lowered into a maintenance position 43 within the base frame 1 and then the hemming tool 2 is pushed onto the shuttle table 34 without a hemming bed 20.
  • the hemming tool 2 is returned to the base frame 1, the hemming device is immediately ready for use.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
EP06115742A 1999-11-25 1999-11-25 Machine à border Expired - Lifetime EP1702692B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES06115742T ES2304182T3 (es) 1999-11-25 1999-11-25 Dispositivo de rebordeado.
EP06115742A EP1702692B1 (fr) 1999-11-25 1999-11-25 Machine à border

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03101031A EP1402968B1 (fr) 1999-11-25 1999-11-25 Machine à border
EP99123455A EP1103320B1 (fr) 1999-11-25 1999-11-25 Machine à border
EP06115742A EP1702692B1 (fr) 1999-11-25 1999-11-25 Machine à border

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP03101031A Division EP1402968B1 (fr) 1999-11-25 1999-11-25 Machine à border

Publications (2)

Publication Number Publication Date
EP1702692A1 true EP1702692A1 (fr) 2006-09-20
EP1702692B1 EP1702692B1 (fr) 2008-03-05

Family

ID=46305042

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06115742A Expired - Lifetime EP1702692B1 (fr) 1999-11-25 1999-11-25 Machine à border

Country Status (1)

Country Link
EP (1) EP1702692B1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007029520A1 (de) * 2007-06-26 2009-01-02 Volkswagen Ag Vorrichtung zum Falzen von Blechbauteilen
CN103272928A (zh) * 2013-05-31 2013-09-04 奇瑞汽车股份有限公司 一种拉楔侧翻装置及冷冲压模具
CN105537403A (zh) * 2016-01-20 2016-05-04 杭州凯龙医疗器械有限公司 X射线管中的阴极罩卷圆侧拉伸装置
US9776234B2 (en) 2012-07-27 2017-10-03 Fft Produktionssysteme Gmbh & Co. Kg Flanging press
CN109013796A (zh) * 2018-09-30 2018-12-18 凯龙高科技股份有限公司 一种管材卷边装置
CN111974854A (zh) * 2020-07-08 2020-11-24 安徽巨一科技股份有限公司 一种基于分段控制原理的桌式包边机顶升机构
CN112077218A (zh) * 2020-07-08 2020-12-15 安徽巨一科技股份有限公司 一种基于分段控制原理的高柔性桌式包边机及包边方法
CN112077219A (zh) * 2020-07-08 2020-12-15 安徽巨一科技股份有限公司 一种基于分段控制原理的桌式包边机压刀装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5150508A (en) * 1991-06-28 1992-09-29 E. R. St. Denis & Sons, Limited Hemming machine and method
DE19747291C1 (de) * 1997-10-25 1999-01-21 Thyssen Industrie Vorrichtung zum Falzen von Blechen, insbesondere Karosserieblechen im Automobilbau
DE19801561A1 (de) * 1998-01-16 1999-07-22 Thyssen Industrie Bördelvorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5150508A (en) * 1991-06-28 1992-09-29 E. R. St. Denis & Sons, Limited Hemming machine and method
DE19747291C1 (de) * 1997-10-25 1999-01-21 Thyssen Industrie Vorrichtung zum Falzen von Blechen, insbesondere Karosserieblechen im Automobilbau
DE19801561A1 (de) * 1998-01-16 1999-07-22 Thyssen Industrie Bördelvorrichtung

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007029520A1 (de) * 2007-06-26 2009-01-02 Volkswagen Ag Vorrichtung zum Falzen von Blechbauteilen
DE102007029520B4 (de) 2007-06-26 2019-06-27 Volkswagen Ag Vorrichtung zum Falzen von Blechbauteilen
US9776234B2 (en) 2012-07-27 2017-10-03 Fft Produktionssysteme Gmbh & Co. Kg Flanging press
CN103272928A (zh) * 2013-05-31 2013-09-04 奇瑞汽车股份有限公司 一种拉楔侧翻装置及冷冲压模具
CN103272928B (zh) * 2013-05-31 2015-10-28 奇瑞汽车股份有限公司 一种拉楔侧翻装置及冷冲压模具
CN105537403A (zh) * 2016-01-20 2016-05-04 杭州凯龙医疗器械有限公司 X射线管中的阴极罩卷圆侧拉伸装置
CN109013796A (zh) * 2018-09-30 2018-12-18 凯龙高科技股份有限公司 一种管材卷边装置
CN109013796B (zh) * 2018-09-30 2024-05-24 凯龙高科技股份有限公司 一种管材卷边装置
CN111974854A (zh) * 2020-07-08 2020-11-24 安徽巨一科技股份有限公司 一种基于分段控制原理的桌式包边机顶升机构
CN112077218A (zh) * 2020-07-08 2020-12-15 安徽巨一科技股份有限公司 一种基于分段控制原理的高柔性桌式包边机及包边方法
CN112077219A (zh) * 2020-07-08 2020-12-15 安徽巨一科技股份有限公司 一种基于分段控制原理的桌式包边机压刀装置
CN112077218B (zh) * 2020-07-08 2022-01-14 安徽巨一科技股份有限公司 一种基于分段控制原理的高柔性桌式包边机及包边方法

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