EP1048373A2 - Poste d' orientation avec tiges entraínées - Google Patents

Poste d' orientation avec tiges entraínées Download PDF

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Publication number
EP1048373A2
EP1048373A2 EP00108434A EP00108434A EP1048373A2 EP 1048373 A2 EP1048373 A2 EP 1048373A2 EP 00108434 A EP00108434 A EP 00108434A EP 00108434 A EP00108434 A EP 00108434A EP 1048373 A2 EP1048373 A2 EP 1048373A2
Authority
EP
European Patent Office
Prior art keywords
orientation station
press
station according
receiving device
orientation
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
EP00108434A
Other languages
German (de)
English (en)
Other versions
EP1048373A3 (fr
EP1048373B1 (fr
Inventor
Peter Dr.-Ing. Klemm
Hans Hofele
Jürgen Dr.-Ing. Eltze
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.)
L Schuler GmbH
Original Assignee
L Schuler 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 L Schuler GmbH filed Critical L Schuler GmbH
Publication of EP1048373A2 publication Critical patent/EP1048373A2/fr
Publication of EP1048373A3 publication Critical patent/EP1048373A3/fr
Application granted granted Critical
Publication of EP1048373B1 publication Critical patent/EP1048373B1/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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/05—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses
    • B21D43/057—Devices for exchanging transfer bars or grippers; Idle stages, e.g. exchangeable

Definitions

  • the invention relates to an orientation station, in particular for suction presses.
  • suction presses are used in practice used. These are press lines that are made up of several arranged in a row and possibly together connected presses are built. The presses are over a transport system linked to each other, the parts transport accomplished. There is a tool in every press arranged, which opens and closes continuously.
  • the Transfer system has the task when opening the tool to lead a sheet metal part in the tool out of it and insert a new workpiece before that Tool closes again.
  • the sheet metal parts in correctly positioned in the tool become.
  • the workpiece position (parts position) is over all Tools mostly not constant. That means the Orientation of the sheet metal parts during the run the press system between the individual tools if necessary. needs to be changed.
  • DE 19654474 A1 describes a flexible multiple transfer known, which is modular. Between transfer modules arranged for the individual presses or tools manage the transfer of the Sheet metal parts from tool to tool.
  • the transfer modules each have a suction bridge, which at their ends is spatially guided by a steering gear.
  • the suction bridge runs through a transfer curve.
  • the handlebar gear connects the suction bridge with Drive units.
  • the rods must be both the drives for rod length adjustment as well as telescopic guides included.
  • the orientation station according to the invention has a between a drive device and a receiving device arranged rod gear on. This gives the movements the drive device to the receiving device further and positions them.
  • the bar gear is based on bars of constant length, whose base points move in space become.
  • the bars are rigid, i.e. not adjustable in length and therefore have a high static and dynamic Stiffness. They can also be slim become.
  • the drive device is spaced from the bars Cut. Heat development of the drive device can thus be kept away from the bars.
  • the bars are no rotating parts or drives built-in. As a result, they have a simple structure.
  • the drive units belonging to the drive device there is sufficient installation space. It can Standard drives, e.g. servomotors with a screw jack and a linear guide can be used.
  • the drive units are easily accessible in this way. Maintenance and replacement is possible without major problems.
  • the orientation station possible with two to six degrees of freedom.
  • each rod is direct with a drive unit connected. Should a degree of freedom be eliminated, e.g. the Movement in the vertical direction can also be a drive unit omitted and the rod in question on a fixed Articulation point to be attached.
  • the joints that connect the rods to the cradle and the drive device are connected preferably ball joints that allow any direction of rotation.
  • neighboring ones are Bars arranged at an acute angle to each other, whereby the angle is preferably from the receiving device open away.
  • the arrangement of the bars can be made in this way be that there are no parallel rod pairs.
  • the drive units can be spaced apart to be ordered. The one occupied by the drive units The area can be larger than that of the articulation points of the bars on the recording device.
  • the orientation station preferably works with one Transfer together regarding processing stations of the parts flow linked together.
  • the processing stations are preferably press stations of a press system, the orientation station then between the individual feed is arranged.
  • the drive units can on the Press tables must be mounted. The one between the press tables existing installation space is used well if a Press table two twin units and the neighboring one Press table carries a twin unit.
  • the articulation points of the rods on the support device define a triangle
  • the articulation points are the Deviating rods on the drive units, e.g. appropriate points of view, which is a good one Allow space to be used.
  • the drive units and their linear guides are included preferably at the corners or on the edges of a trapezoid arranged.
  • Four of the drive units are on the Corners of the trapezoid can be arranged.
  • Two drive units on the longer edge of the same.
  • the bars are then preferably in the hexagon or articulated in a triangle.
  • Linear direct drives can be used as drive units be used.
  • the drive units can be equipped with brake units be combined, the approached positions brake.
  • the receiving device can be exchangeable and / or have pivotable supports.
  • a press system 1 is illustrated in FIG. 1, which is used to process sheet metal parts.
  • the press system 1 has several in the direction D in succession arranged press stations 2, 3, 4, 5, 6, 7 on, each a forming step for the sheet metal part to be formed establish.
  • the foundation is resting.
  • On the press tables 8, 9, 10, 11, 12, 13 are pairs of press stands 14, 15, 16, 17, 18, 19, 20 set up, each of which is shown in FIG in front with the letter index a and one of them hidden, marked with the letter index b Press stands belong.
  • the arrangement of the press stands can be, for example, using the press stands 15a, 15b, in particular Figure 2, remove.
  • the pairs of press stands 14 to 20 carry head pieces 21, 22, 23, 24, 25, 26. These carry one or more eccentric drives for plungers 27, 28, 29, 30, 31, 32, which open and be moved.
  • each press station 2 to 7 is on the respective Press table 8, 9, 10, 11, 12, 13 a sliding table 34, 35, 36, 37, 38, 39 arranged between adjacent Press stands 14a, 15a, or 15a, 16a etc. from the side the press system 1 can be moved out.
  • the sliding table 34 carries a tool lower part belonging to a tool 41 42.
  • the associated tool upper part 43 hangs on the plunger 27. Accordingly, in the further press stations 3, 4, 5, 6, 7 tools 44, 45, 46, 47, 48 arranged the one lower part and one upper part each exhibit.
  • the press system 1 To transport parts through the entire press system 1 to accomplish, the press system 1 with provided a transfer system 50. Belong to this in the direction of the flow direction D through the press system 1 extending guide rails 51, 52.
  • the guide rails 51, 52 are parallel to each other near the Press stand 14a, 14b to 20a, 20b arranged so that the tools 41 to 48 can be placed between them.
  • the Guide rails 51, 52 are not shown by Lifting units can be raised and lowered.
  • Carriages 53 are of the guide rails 51, 52 led, in pairs, a suction bridge between each other 55 lead. There is a suction bridge for each Inserting sheet metal parts in a tool 41 to 48 and a suction bridge for taking out a sheet metal part provided from the respective tool 41 to 48. If necessary can be used to insert sheet metal parts that have not yet been deformed (Blanks) in the first press stage 2 instead of the suction bridge there is an insertion feeder.
  • the carriages are driven by suitable drive means 53 move specifically on the guide rails 51, 52, see above that by superimposing the lifting and lowering movement the rails 51, 52 and the movement of the suction bridges 55 results in a transfer curve K in the direction of flow D.
  • this is only between the press stages 6 and 7 indicated schematically.
  • the transfer step is measured in the direction of flow D, only half as short like the center distance of neighboring tools.
  • orientation stations serving as clipboards 57, as better shown in Figures 2 and 3 emerge.
  • the orientation stations 57 are there are essentially identical to one another.
  • the between Orientation stations arranged in press stages 2 and 3 57 is therefore representative of all orientation stations described:
  • the orientation station 57 is used to the workpiece his way from tool to tool a new orientation to give.
  • the task of transfer 50 can then be answered be restricted to moving the workpiece, i.e. a perform purely two-dimensional movement.
  • the Suction cup 55 can be made non-rotatable.
  • the below of the transfer system 50 arranged orientation station 57 has a receiving device 61 on its upper side to which two cross rails held parallel to each other 62, 63 belong. These are from one another 64 from one another held away and swiveled towards each other.
  • the top of the cross rails 62, 63 with receptacles 66 be provided for adaptation to the sheet metal part contour. This can be seen in particular from FIG.
  • One on the cradle 57 lying sheet metal part 65, for example one Car side wall, is schematic in Figures 2 and 3 indicated.
  • the cross rails 62, 63 are parallel to the cross rails 62, 63 oriented, parallel pivot axes swiveling towards and away from each other. Moreover the cross rails 62, 63 can be detached if necessary be held on the carrier 64.
  • the receiving elements are preferably 66 releasable from the transverse rails 62, 63.
  • the positioning of the sheet metal part 65 is carried out by controlled positioning of the carrier 64 a rod gear 67, which connects to a drive device 68 manufactures. All in all belong to the rod gear six rods 71, 72, 73, 74, 75, 76, which are rigid are. They can also be the same among themselves be long. However, if necessary, they can also have individual lengths. Bars 71 through 76 are on their respective upper ends with a no further illustrated gimbal or ball joint on the carrier 64 composed. The bars 71 to 76 are each in pairs in the immediate vicinity of the carrier 64 stored so that the bearing points total about one Triangle, preferably an equilateral triangle.
  • Adjacent bars 71, 72; 72, 73; 73, 74; 74, 75; 75, 76 and 76, 71 close together more or less acute angle.
  • the rods 71, 76 form one Exception and, if necessary, can also be in parallel be arranged, at least when the carrier 64 is horizontal or is not tilted about a longitudinal axis that is too the direction of flow D is parallel.
  • the drive device 68 includes a total of six Drive units 81, 82, 83, 84, 85, 86, each separately are controllable.
  • the drive units 81 to 86 are linear drive units, each with a servo motor.
  • the servomotors are controlled by a computer control. Via a screw jack and a linear guide 87, 88, 89, 90, 91, 92 becomes the rotary movement of each Servo motor in a linear movement of a carriage 93, 94, 95, 96, 97, 98 implemented.
  • Each sled 93 to 98 is articulated with a rod 71 to 76 a universal joint or a ball joint connected. So is each rod 71 to 76 a drive unit 81 to 86 assigned.
  • the drive units 81 to 86 are in pairs carried by a carrier 101, 102, 103.
  • This carrier arrangement largely enables unimpeded arrangement of the rods 71 to 76 of the rod gear 67 and at the same time the formation of relatively long management routes and thus vertical strokes of the slides 93, 94, 95, 96, 97 and 98. This is especially true when the box girder 101, 102, 103 parallel to each other in plan view arranged in a triangle and the drive units 81 up to 86 in pairs pointing away from each other Flanks of the carrier elements 101, 102, 103 are arranged.
  • the carrier elements 102, 103 are, for example, on the press table 8 attached.
  • the carrier element 101 is on the Press table 9 stored. Are the sledges 93 to 98 on Set the same height, put the joints for storage the rod ends of the rods 71 to 76 a trapezoid. Thereby are the drive units 82, 83, 84, 85 to a certain extent on a common line. Your leadership directions are parallel to each other.
  • the two drive units are also located 81, 86 on a common, to the first line parallel second line. The relatively narrow space between the press tables 8, 9 is thus well utilized.
  • the drive units 81 to 86 are stationary. It standard drives can be used. The outside the rods 71 to 76 arranged drives are easily accessible. The same applies to the carrier elements 101, 102, 103 each provided linear guide 87 to 92 stationary and thus robustly executable.
  • the rams 27 to 32 of the press system 1 are from a press main drive moves up and down synchronously.
  • the Transfer device 50 moves every time the Open tools 41 to 48, the suction bridges 53 in the Tools for inserting and / or removing sheet metal parts.
  • each of the transfer device 50 also Clipboard or orientation station 57 operated by first removed a sheet metal part 65 by means of a suction bridge and immediately afterwards a next sheet metal part 65 again is placed on the receiving device 61.
  • They don't further illustrated control device controls the servo motors the drive units 81 to 86 so that the receiving device 61 for receiving the sheet metal part 65 for receiving a sheet metal part first in the spatial position is in which the sheet metal part is delivered by the transfer device 50.
  • the reception facility 61 is during the sheet metal part transfer Essentially at rest.
  • the drive device 68 can be controlled such that the receiving device 61 during the transfer of sheet metal parts, i.e. while hanging up of the sheet metal part 65 on the receiving elements 66 for a short time performs a movement that corresponds to the movement of the suction bridge 55 matches. Corrective movements can also be made if necessary be carried out. Is the sheet metal part 65 on the receiving device 61, the suction bridge 55th the sheet metal part 65 is free, separates from it and runs in a parking position that is spaced from the orientation station 57 is. The orientation station may make it easier Return movement of the suction bridges through a vertical Downward movement of the sheet metal part 65.
  • Orientation station 57 now has sheet metal part 65 taken over and positioned this during the working stroke the press into a pick-up position in which the sheet metal part 65 a changed orientation and / or positioning, i.e. can have a changed spatial position.
  • the orientation station 57 all linear movements, i.e. both lengthways (in direction D), across this as well as vertical (lifting and lowering) possible.
  • the sheet metal part 65 about the longitudinal axis (part pass direction D) around a horizontal transverse axis and around a Vertical axis are pivoted. This is done through targeted Control of the drive units 81 to 86 by the control device. Should the sheet metal part 65 be transported further it fetches the next suction bridge 55 from.
  • the orientation station 57 can be activated to move over a limited distance perform with the movement of the suction bridge 55 matches.
  • Positioning options if less Positioning options are desired, individual Drive units are not required. E.g. it is possible with only two, three, four or five drive units get along; depending on how many degrees of freedom the positioning movement the receiving device 61 requires.
  • the Joints can then be used instead of ball or universal joints if necessary, other joints can also be used.
  • An orientation station provided in particular for press systems 1 57 has a receiving device 61 which is carried by a rod gear 67. This is supported on drive units 81, 82, 83, 84, 85, 86 of a drive device 68 from.
  • the drive units 81 to 86 are stored in a fixed position.
  • the rods 71 to 76 of the rod gear 67 are rigid and invariable in length.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Forging (AREA)
  • Secondary Cells (AREA)
  • Pile Receivers (AREA)
  • Transmission Devices (AREA)
  • Vehicle Body Suspensions (AREA)
  • Body Structure For Vehicles (AREA)
EP00108434A 1999-04-29 2000-04-18 Poste d' orientation avec tiges entraínées Expired - Lifetime EP1048373B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19919433 1999-04-29
DE19919433A DE19919433A1 (de) 1999-04-29 1999-04-29 Orientierstation mit Stabgetriebe

Publications (3)

Publication Number Publication Date
EP1048373A2 true EP1048373A2 (fr) 2000-11-02
EP1048373A3 EP1048373A3 (fr) 2001-08-22
EP1048373B1 EP1048373B1 (fr) 2003-08-13

Family

ID=7906227

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00108434A Expired - Lifetime EP1048373B1 (fr) 1999-04-29 2000-04-18 Poste d' orientation avec tiges entraínées

Country Status (5)

Country Link
US (2) US6324885B1 (fr)
EP (1) EP1048373B1 (fr)
AT (1) ATE246973T1 (fr)
BR (1) BR0002137A (fr)
DE (2) DE19919433A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006045276A1 (fr) * 2004-10-25 2006-05-04 Müller Weingarten AG Dispositif de positionnement correct de platines
CN101730599B (zh) * 2007-05-08 2014-11-05 古德尔集团股份公司 用于压机中的扁平工件的对中装置和用于调整这种对中装置的方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4609621B2 (ja) * 2002-12-24 2011-01-12 セイコーエプソン株式会社 強誘電体キャパシタの製造方法
JP4221576B2 (ja) * 2003-03-10 2009-02-12 セイコーエプソン株式会社 セラミックス膜の製造方法および強誘電体キャパシタの製造方法、ならびにセラミックス膜、強誘電体キャパシタおよび半導体装置
CN102601251B (zh) * 2012-03-08 2014-04-02 安徽江淮汽车股份有限公司 用于冲压自动化线的板料定位对中台装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618167A1 (de) * 1996-05-03 1997-11-13 Erfurt Umformtechnik Gmbh Ablagestation für Blechteile zwischen zwei benachbarten Werkzeugstufen einer Transferpressenlinie
DE29803274U1 (de) * 1998-02-25 1998-06-18 Tönshoff, Hans Kurt, Prof. Dr.-Ing. Dr.-Ing. E.h., 30938 Burgwedel Einrichtung zur räumlichen Positionierung eines Gegenstandes, insbesondere eines Werkzeuges

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59163036A (ja) * 1983-03-07 1984-09-14 Nissan Motor Co Ltd トランスフアプレスにおけるアイドルステ−ジのワ−ク受台構造
EP0155332B1 (fr) * 1984-03-20 1988-08-24 L. SCHULER GmbH Support intermédiaire de pièce dans une presse-transfert
JPS63207430A (ja) * 1987-02-24 1988-08-26 Honda Motor Co Ltd トランスフアプレスマシンのアイドリングステ−シヨンにおけるワ−ク支持装置
DE19605159A1 (de) * 1996-02-13 1997-08-14 Erfurt Umformtechnik Gmbh Ablage- und Umrüststation zwischen den Werkzeugen einer Transferpressenlinie
US5875673A (en) * 1997-12-30 1999-03-02 Verson, A Division Of Allied Products Corporation Orientation station for multi-station metal-forming machines

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618167A1 (de) * 1996-05-03 1997-11-13 Erfurt Umformtechnik Gmbh Ablagestation für Blechteile zwischen zwei benachbarten Werkzeugstufen einer Transferpressenlinie
DE29803274U1 (de) * 1998-02-25 1998-06-18 Tönshoff, Hans Kurt, Prof. Dr.-Ing. Dr.-Ing. E.h., 30938 Burgwedel Einrichtung zur räumlichen Positionierung eines Gegenstandes, insbesondere eines Werkzeuges

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006045276A1 (fr) * 2004-10-25 2006-05-04 Müller Weingarten AG Dispositif de positionnement correct de platines
CN101730599B (zh) * 2007-05-08 2014-11-05 古德尔集团股份公司 用于压机中的扁平工件的对中装置和用于调整这种对中装置的方法

Also Published As

Publication number Publication date
US20020035861A1 (en) 2002-03-28
ATE246973T1 (de) 2003-08-15
DE19919433A1 (de) 2000-11-02
EP1048373A3 (fr) 2001-08-22
US6324885B1 (en) 2001-12-04
DE50003240D1 (de) 2003-09-18
EP1048373B1 (fr) 2003-08-13
BR0002137A (pt) 2000-12-05

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