IT8922573A1 - CONTROL FOR THE RAILS OF THE GRIPPER FOR PROGRESSIVE PRESSES - Google Patents

CONTROL FOR THE RAILS OF THE GRIPPER FOR PROGRESSIVE PRESSES Download PDF

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Publication number
IT8922573A1
IT8922573A1 IT1989A22573A IT2257389A IT8922573A1 IT 8922573 A1 IT8922573 A1 IT 8922573A1 IT 1989A22573 A IT1989A22573 A IT 1989A22573A IT 2257389 A IT2257389 A IT 2257389A IT 8922573 A1 IT8922573 A1 IT 8922573A1
Authority
IT
Italy
Prior art keywords
rails
gripper
slides
control
movement
Prior art date
Application number
IT1989A22573A
Other languages
Italian (it)
Other versions
IT1238493B (en
IT8922573A0 (en
Inventor
Rainer Reichenbach
Erich Harsch
Original Assignee
Maschf Muller Weingarten
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Filing date
Publication date
Application filed by Maschf Muller Weingarten filed Critical Maschf Muller Weingarten
Publication of IT8922573A0 publication Critical patent/IT8922573A0/en
Publication of IT8922573A1 publication Critical patent/IT8922573A1/en
Application granted granted Critical
Publication of IT1238493B publication Critical patent/IT1238493B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, 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
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • B21D43/04Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/05Advancing 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
    • B21D43/055Devices comprising a pair of longitudinally and laterally movable parallel transfer bars

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Discharge By Other Means (AREA)
  • Specific Conveyance Elements (AREA)
  • Advancing Webs (AREA)
  • Chain Conveyers (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Description

DESCRIZIONE DESCRIPTION

L'invenzione riguarda un comando per il movimento di trasporto e di ritorno dalle rotaie delle pinze di dispositivi di trasporto a due o tre assi in presse progressive. The invention relates to a control for the transport and return movement of the gripper rails of two or three axis transport devices in progressive presses.

Nei noti comandi di rotaie di pinze (costruzione propria) sono presenti, per azionare il movimento di trasporto e quello di ritorno, una traversa di trascinamento montata in guide. In questa traversa di trascina mento sono montate due slitte mobili trasversalmente al senso di trasporto, che presentano perni di guida verticali, in cui sono supportate in modo re golabile in altezza le rotaie delle pinze. In the known gripper rail drives (own construction) there is a trailing cross member mounted in guides to actuate the transport and return movements. Mounted in this driving cross member are two slides which are movable transversely to the direction of transport, which have vertical guide pins, in which the rails of the grippers are supported in an adjustable manner in height.

Le slitte con i perni di guida verticali vengono trascinate dalle rotaie delle pinze nel movimento di chiusura e di apertura. The slides with vertical guide pins are pulled by the gripper rails in the closing and opening movement.

Poich? nel movimento di chiusura e di apertura si hanno maggiori accelerazioni, la massa di queste slitte influisce svantaggiosamen te sul comportamento a flessione delle rotaie delle pinze. Devono essere presenti anche guide a rotolamento prive di gioco affinch? le rotaie delle pinze scorrano senza oscillare. Since? in the closing and opening movement there are greater accelerations, the mass of these slides has a disadvantageous influence on the bending behavior of the gripper rails. There must also be rolling guides free of play so that? the gripper rails slide without wobbling.

La presente invenzione intende realizzare a questo punto una semplificazione, per cui , in un comando eseguito come descritto in precedenza, si propone di fissare sulle due leve di comando una traversa, sul cui lato inferiore sono disposte due slitte guidate in guide e spostabili mediante aste filettate ed azionamenti, sulle cui estremit? agiscono aste di spinta montate in giunti sferici, le quali sull'altra loro estremit? sono collegate, d? nuovo tramite giunti sferici, con le rotaie delle pinze. The present invention intends to achieve a simplification at this point, whereby, in a command carried out as described above, it is proposed to fix a crosspiece on the two control levers, on the lower side of which there are two slides guided in guides and movable by means of rods. threaded and drives, on whose ends? they act push rods mounted in ball joints, which on their other end? are connected, d? new via ball joints, with the rails of the calipers.

Nella realizzazione del comando secondo la presente invenzione la traversa di trascinamento non ? supportata in guide longitudinali, bens? ? fissata sulle due leve d 'azionamento. In questa traversa di trascinamento sono supportate due slitte e tramite comandi elettrici ad aste filettate sono spostabili o regolabili in direzione d'apertura ed in quella di chiusura delle rotaie delle pinze. In the realization of the control according to the present invention, the trailing cross member does not? supported in longitudinal guides, but? ? fixed on the two operating levers. Two slides are supported in this dragging crosspiece and by means of electric commands with threaded rods they can be moved or adjusted in the opening direction and in the closing direction of the gripper rails.

Le rotaie delle pinze sono collegate, mediante aste di spinta montate in giunti sferici, con le slitte. Nel movimento di apertura e di chiusura ed in quello di sollevamento ed abbassamento le aste di spinta e seguono un movimento di pendolamento. Affinch? questo movimento di pendola mento rimanga simmetrico durante la regolazione dello scartamento tra le rotaie delle pinze, le slitte vengono spostate nelle traversa di trascina mento della stessa entit? mediante i comandi elettrici. The rails of the grippers are connected, by means of push rods mounted in ball joints, with the slides. In the opening and closing movement and in the lifting and lowering movement, the push rods follow an oscillating movement. So that? this oscillating movement remains symmetrical during the adjustment of the gauge between the rails of the grippers, the slides are moved in the trailing beam of the same amount. by means of the electrical controls.

L'invenzione viene dettagliatamente spiegata in base al disegno che rappresenta un esempio di realizzazione a piacere. Nel disegno; The invention is explained in detail on the basis of the drawing which represents an example of embodiment at will. In the drawing;

la figura 1 mostra una sezione secondo la linea A-B di figura 3; la figura 2 mostra una vista in direzione E della figura 1 ; la figura 3 mostra una sezione secondo la linea C-D della figura 1 . Figure 1 shows a section along the line A-B of Figure 3; Figure 2 shows a view in direction E of Figure 1; Figure 3 shows a section along the line C-D of Figure 1.

La figura 1 mostra una sezione del lato sinistro di una pressa progressiva con una tavola 1 della pressa, con la tavola scorrevole 2, con lo spintore 3 della pressa, il montante sinistro 4 della pressa e con la scatola di chiusura 5 con la guida 6 delle rotaie delle pinze 6. Figure 1 shows a section of the left side of a progressive press with a press table 1, with the sliding table 2, with the press pusher 3, the left column 4 of the press and with the closing box 5 with the guide 6 of the gripper rails 6.

Nella guida 6 e 6a (figura 2) delle rotaie della pinza, guida che esegue un movimento d'apertura e di chiusura nonch? un movimento di sollevamento ed abbassamento, le rotaie 7 e 7a della pinza sono supportate scorrevolmente mediante i lardoni di guida 8 e 8a nel senso del traspor to ed in quello opposto. In the guide 6 and 6a (figure 2) of the rails of the gripper, the guide performs an opening and closing movement as well as? a lifting and lowering movement, the rails 7 and 7a of the gripper are supported slidingly by means of the guide gibs 8 and 8a in the direction of transport and in the opposite direction.

Sul montante sinistro 4 della pressa sono fissate due scatole degli ingranaggi 9 e 9a, in cui sono montate girevolmente le leve di comando 10 e 10a. Two gearboxes 9 and 9a are fixed to the left upright 4 of the press, in which the control levers 10 and 10a are rotatably mounted.

Il movimento oscillante delle due leve di comando 10 e 10a viene prodotto, tramite rulli 11 , dalle camme complementari 12. The oscillating movement of the two control levers 10 and 10a is produced, by means of rollers 11, by the complementary cams 12.

All'estremit? delle leve di comando 10 e lOa ? fissata una traversa 13, in cui sono montate in guide 14 e 14a due slitte 15 e 15a nel senso del movimento d 'apertura e di chiusura della rotaia della pinza. At the end? of the control levers 10 and 10a? fixed a crosspiece 13, in which two slides 15 and 15a are mounted in guides 14 and 14a in the direction of the opening and closing movement of the rail of the gripper.

Il movimento trasversale delle slitte 15 e 15 a avviene tramite aste filettate 16 e 16a mediante azionamenti quali elettromotori 17 e 17a. Le rotaie delle pinza 7 e 7a sono collegate con le slitte 15 e 15a median te aste di spinta 19 e 19a supportate in giunti sferici 18, 18a, 18b e 18C. The transversal movement of the slides 15 and 15a takes place by means of threaded rods 16 and 16a by means of drives such as electric motors 17 and 17a. The rails of the grippers 7 and 7a are connected to the slides 15 and 15a by means of push rods 19 and 19a supported in ball joints 18, 18a, 18b and 18C.

Dalle figure 2 e 3 si notano diverse posizioni delle rotaie delle pinze, cio? nella posizione 7 a 7a di massima apertura , nella posizio ne 7b e 7c di massima chiusura, nella posizione 7d e 7e di minima apertura, nella 'posizione 7f e 7g di minima chiusura nonch? in posizione sollevata 7h e 7i . From figures 2 and 3 different positions of the rails of the pincers can be seen, that is? in position 7 to 7a of maximum opening, in position 7b and 7c of maximum closing, in position 7d and 7e of minimum opening, in position 7f and 7g of minimum closing as well? in raised position 7h and 7i.

Gli sviluppi 20 vengono trasportati per il trasferimento sulle rotaie delle pinze per esempio mediante un nastro trasportatore magnetico 21 . The blanks 20 are transported for transfer onto the gripper rails, for example by means of a magnetic conveyor belt 21.

Claims (1)

RIVENDICAZIONE . Azionamento per il movimento di trasporto e di ritorno del? le rotaie delle pinze di dispositivi di trasporto a due o tre assi, caratterizzato dal fatto che alle due leve di comando (,10, 10a) ? fissata una traversa (13) , sul cui lato inferiore sono disposte due slitte (15 e 15a) guidate in guide (14 e 14s) e spostabili mediante aste filettate (16 e 16a) e comandi (17 e 17a), sulle estremit? delle quali slitte agiscono aste di spinta (19 e 19a) supportate in giunti sferici (18 e 18a), le quali alle loro altre estremit? sono anch'esse collegate mediante giunti sferici (18 e 18c) con le rotaie (7 e 7a) delle pinze. CLAIM . Drive for the transport and return movement of the? the gripper rails of two or three-axis transport devices, characterized by the fact that at the two control levers (, 10, 10a)? fixed a crosspiece (13), on the lower side of which there are two slides (15 and 15a) guided in guides (14 and 14s) and movable by means of threaded rods (16 and 16a) and controls (17 and 17a), on the ends? of which slides act push rods (19 and 19a) supported in ball joints (18 and 18a), which at their other ends? they are also connected by means of ball joints (18 and 18c) with the rails (7 and 7a) of the grippers.
IT22573A 1988-12-15 1989-12-01 CONTROL FOR GRIPPER RAILS FOR PROGRESSIVE PRESSES IT1238493B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3842182A DE3842182C1 (en) 1988-12-15 1988-12-15

Publications (3)

Publication Number Publication Date
IT8922573A0 IT8922573A0 (en) 1989-12-01
IT8922573A1 true IT8922573A1 (en) 1991-06-01
IT1238493B IT1238493B (en) 1993-08-18

Family

ID=6369197

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22573A IT1238493B (en) 1988-12-15 1989-12-01 CONTROL FOR GRIPPER RAILS FOR PROGRESSIVE PRESSES

Country Status (4)

Country Link
DE (1) DE3842182C1 (en)
FR (1) FR2640531B1 (en)
GB (1) GB2227439B (en)
IT (1) IT1238493B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5280223A (en) * 1992-03-31 1994-01-18 General Electric Company Control system for an electrically propelled traction vehicle
DE4336853A1 (en) * 1993-10-28 1995-05-04 Mueller Weingarten Maschf Transfer drive, especially for a transfer press
DE4336854A1 (en) * 1993-10-28 1995-05-04 Mueller Weingarten Maschf Drive device for multi-axis transport of workpieces in a transfer press
DE4408450A1 (en) * 1994-03-12 1995-09-14 Mueller Weingarten Maschf Transport device for workpieces in a press
EP1072335B1 (en) * 1999-07-27 2003-12-17 Müller Weingarten AG Transfer drive for a press
DE102007050982A1 (en) 2007-10-25 2009-04-30 Sms Meer Gmbh Device for the stepwise transport of workpieces through the working space of a forming machine
CN107322073B (en) * 2017-07-11 2019-03-15 佛山市正略信息科技有限公司 A kind of guide rail cutter device for guide rail production line
CN111391008B (en) * 2020-04-03 2022-01-18 扬州科丰高新产业投资开发集团有限公司 Solid fuel and processing system and processing method thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2061043C3 (en) * 1970-12-11 1974-04-11 Eumuco Ag Fuer Maschinenbau, 5090 Leverkusen Drop forging press with automatic workpiece transport
GB1435028A (en) * 1973-11-29 1976-05-12 Hitachi Shipbuilding Eng Co Multi-station transfer presses
US4139090A (en) * 1976-12-23 1979-02-13 Gulf & Western Manufacturing Company Article transfer mechanism
DE2708457C2 (en) * 1977-02-26 1989-04-27 Kabushiki Kaisha Komatsu Seisakusho, Tokio/Tokyo Transport mechanism for forging machines
DE3583332D1 (en) * 1985-01-25 1991-08-01 Schuler Gmbh L TRANSFER PRESS.
US4614265A (en) * 1985-07-22 1986-09-30 Danly Machine Corporation Apparatus for automatically splitting transfer feed rails in a transfer feed press

Also Published As

Publication number Publication date
IT1238493B (en) 1993-08-18
DE3842182C1 (en) 1989-09-28
GB2227439B (en) 1993-05-12
FR2640531A1 (en) 1990-06-22
GB2227439A (en) 1990-08-01
GB8928393D0 (en) 1990-02-21
IT8922573A0 (en) 1989-12-01
FR2640531B1 (en) 1992-04-17

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961223