EP1200213B1 - Dispositif pour produire un mouvement de levage et d'abaissement - Google Patents

Dispositif pour produire un mouvement de levage et d'abaissement Download PDF

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Publication number
EP1200213B1
EP1200213B1 EP00938434A EP00938434A EP1200213B1 EP 1200213 B1 EP1200213 B1 EP 1200213B1 EP 00938434 A EP00938434 A EP 00938434A EP 00938434 A EP00938434 A EP 00938434A EP 1200213 B1 EP1200213 B1 EP 1200213B1
Authority
EP
European Patent Office
Prior art keywords
cam
spring element
counter
control
roller
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.)
Expired - Lifetime
Application number
EP00938434A
Other languages
German (de)
English (en)
Other versions
EP1200213A1 (fr
Inventor
Stefan STÖCKLE
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.)
Hatebur Umformmaschinen AG
Original Assignee
Hatebur Umformmaschinen AG
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 Hatebur Umformmaschinen AG filed Critical Hatebur Umformmaschinen AG
Publication of EP1200213A1 publication Critical patent/EP1200213A1/fr
Application granted granted Critical
Publication of EP1200213B1 publication Critical patent/EP1200213B1/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
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
    • B21K27/02—Feeding devices for rods, wire, or strips
    • B21K27/04—Feeding devices for rods, wire, or strips allowing successive working steps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18288—Cam and lever
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2101—Cams

Definitions

  • the present invention relates to a device to generate a lifting and lowering movement for lifting and Lowering cross transport tongs of a metal forming machine, such as it is defined in the preamble of independent claim 1 is.
  • the device according to the invention is both in Hot forming machines can also be used in cold forming machines.
  • the workpieces are often Cross transport tongs from one forming station across to the next transported and the empty cross transport tongs afterwards transferred back to the starting position.
  • the transverse transport tongs via a pliers box to a cross transport pipe to couple and by moving the cross transport tube in the longitudinal direction of the pipe with the pliers box Cross transport pliers holding workpieces from the starting position to move to the release position.
  • the tongs box with a roller rolls on one ruler attached to the anvil there the tongs box with a roller rolls on one ruler attached to the anvil.
  • the tongs box with the cross transport tongs by turning of the cross transport tube lifted and pushed back of the cross transport pipe in the longitudinal direction of the pipe and lowering again of the pliers box is transferred to the starting position.
  • the lifting of the cross transport tongs during the return transfer serves to avoid the forming tools.
  • the cross transport tongs are raised and lowered via turning one a control roller arm and a counter roller arm having double lever by means of a control curve and a counter curve on a rotatable control shaft are attached and on the double lever in opposite Direction of rotation.
  • a control roller rolling on the control cam and on the counter roller arm a counter roll rolling on the counter curve rotatably arranged.
  • the cross transport tongs when transferring from the Starting position in the release position as well Transfer from the release position to the starting position raised and lowered again to rotate the cross feed tongs to enable during the transverse shift.
  • the Raising and lowering is done by turning a control roller arm and a double lever having a counter roller arm by means of a control curve and a counter curve, the act on the double lever in the opposite direction of rotation.
  • the control curve and the counter curve rotate here not, but are moved back and forth.
  • On the control roller arm is a control roller rolling on the cam and on the counter roller arm one that rolls on the counter curve Counter roller rotatably arranged.
  • a fixed spring presses the steering roller arm with the steering roller permanently to the control curve.
  • Transverse and lifting devices is the Invention based on the following object.
  • the device according to the invention for producing a lifting and Lowering movement for lifting and lowering cross transport tongs The essence of a metal forming machine is as follows: There is a control cam on a movable cam bracket and attached a counter curve.
  • a rotatably mounted Double lever has a control roller arm and a counter roller arm on, one on the control roller arm Control cam rolling control roller and on the counter roller arm a counter roller rolling on the counter curve is rotatably arranged are and the control curve and the counter curve on the Double levers work in the opposite direction of rotation.
  • the device also comprises a movable spring element curve, on the one arranged on a spring element lever Rolls spring element roll, and one on the spring element lever arranged spring element that on the double lever in the same Direction of rotation as the counter roller acts.
  • a spring element curve and a spring element lever can be present with a spring element the lifting and lowering movements alternately on the one hand through the control curve and the opposite curve and on the other controlled by the control curve and the spring element curve become.
  • a control by the control curve and the spring element curve is particularly low in the area Position of the cross transport tongs attached to one hand an almost speedless, i.e.
  • the spring element curve on the movable cam carrier is advantageous and the double lever and the spring element lever rotatably attached to a common axis.
  • the device can be built relatively easily and the spring element doesn't have to make more path than necessary.
  • the spring element curve has and the opposite curve has the same curve shape and are designed as a single curve.
  • the device is easier and cheaper to manufacture.
  • the Spring element curve formed separately from the opposite curve. This enables a suitable variation of the spring force by shaping the spring element curve accordingly.
  • control curve, the counter curve and the Spring element curve shaped so that in the completely lowered Position of the cross transport tongs the spring element roller abuts the spring element curve and the spring element on the double lever and the cross transport tongs down exerting pressing torque while the control roller of the control curve and the counter roller lifted off the counter curve are.
  • This will work in the fully lowered position only the spring element curve and the anvil on top of it Forceps box in a prestressing and overdetermination very exclusive way.
  • a movable Cam carrier in the form of a control shaft 1 a control curve 2, a counter curve 3 and a spring element curve 4 non-rotatably attached.
  • the control shaft 1 is in the direction of Arrow A is rotatably mounted on the machine body 11 and is driven by an unsigned engine.
  • the double lever 5 comprises a control roller arm 52, a counter roller arm 53 and an output arm 51.
  • a control roller 54 is rotatably mounted on the control cam 2 rolls while at the free end of the counter roller arm 53 a counter roller 55 is rotatably mounted, that rolls on the opposite curve 3.
  • a counter roller 55 is rotatably mounted, that rolls on the opposite curve 3.
  • control roller arm 52 and the counter roller arm 53 are of this type arranged that the control roller 54 and the counter roller 55 on different sides of the through the control shaft 1 and axis 7 going plane. This has to Consequence that the control curve 2 and the counter curve 3 on the Double lever 5 act in the opposite direction of rotation.
  • the spring element lever 6 has one at its free end rotatably mounted spring element roller 62 on the spring element curve 4 rolls.
  • a spring element 61 arranged, which is drawn here as a spring.
  • a bellows cylinder is preferably used, in principle, however, any other spring elements are conceivable, which, depending on the design of the double lever 5, also on the counter roller arm 53 or for example as tension springs on the control roller arm 52 can start.
  • the spring element curve 4 and the spring element 61 act on the double lever 5 in the same Direction of rotation as the opposite curve 3.
  • the free end of the driven arm 51 is here via a ball joint 86 connected to one end of a coupling rod 81, the other end of which is articulated with a pliers box 82 is connected to the pliers cassettes 83 with not shown Cross transport tongs are attached.
  • the pliers box 82 is fixed to a rotatable and longitudinally movable Machine body 11 mounted transverse transport tube 84 attached.
  • the pliers box 82 In the illustrated fully lowered position of the cross transport tongs is the pliers box 82 on a plate 91 an anvil 9 supported.
  • the spring element roller 62 lies on the spring element curve 4 while the control roller 54 and the counter roller 55 from the control curve 2 or counter curve 3 are lifted off.
  • the spring element 61 presses the driven arm 51 of the double lever 5 upwards, so that the coupling rod 81 and the associated end of the pliers box 82 also upwards and consequently the pliers cassettes 83 supporting side of the pliers box 82 pressed down become.
  • the pliers box 82 is therefore below a certain Bias on the plate 91.
  • control roller arrives 54 into a recess 22, where they are no longer on the Control curve 2 is present.
  • the double lever 5 is in Control shaft 1 turned in the opposite direction of rotation, until the fully lowered position of the cross transport tongs is reached in which of the curves only the Spring element curve 4 is effective via the spring element 61.
  • the pliers box 82 is placed on the plate 91 almost without speed.
  • FIGS. 1 to 3 of the pliers box 82 The movement explained in connection with FIGS. 1 to 3 of the pliers box 82 is shown graphically here, whereby the movement takes place in the direction of the drawn arrows.
  • the pliers box 82 At point P the pliers box 82 is in the completely lowered position according to Fig. 1. Then he with simultaneous transverse shift from point P to Point Q raised to the lower lifting position shown in FIG. 2 and lowered back into the fully lowered position.
  • the distance from pliers box 82 to plate 91 in the lower lifting position is relatively small, e.g. 1-3 mm, because only guaranteed must be that the pliers box 82 is not rests on the plate 91. While moving from the point P to point Q become workpieces from the cross transport tongs transported from one forming station to the next and there released by the cross transport tongs.
  • the distance from pliers box 82 to plate 91 in the high lifting position is relatively large, e.g. about 50% of the length of the horizontal shift, because it must be ensured that the cross transport tongs do not touch the forming tools.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Specific Conveyance Elements (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Manipulator (AREA)
  • Forging (AREA)
  • Wire Processing (AREA)
  • Intermediate Stations On Conveyors (AREA)
  • Special Conveying (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Claims (11)

  1. Dispositif pour la production d'un mouvement de relèvement et d'abaissement, pour relever et abaisser des pinces de transport transversal d'une machine de formage, comportant un support de courbe mobile (1) sur lequel une courbe de commande (2) et une courbe complémentaire (3) sont installées ainsi qu'un levier double (5) monté à rotation, qui présente un bras (52) à rouleau de commande et un bras (53) à rouleau complémentaire, un rouleau de commande (54) roulant sur la courbe de commande (2) étant disposé à rotation sur le bras (52) à rouleau de commande et un rouleau complémentaire (55) qui roule sur la courbe complémentaire (3) étant disposé à rotation sur le bras (53) à rouleau complémentaire, la courbe de commande (2) et la courbe complémentaire (3) agissant sur le levier double (5) dans des sens de rotation opposés, caractérisé en ce qu`il présente en outre une courbe mobile (4) à élément de ressort sur laquelle roule un rouleau (62) à élément de ressort disposé sur un levier (6) à élément de ressort, ainsi qu'un élément de ressort (61) disposé sur le levier (6) à élément de ressort et agissant sur le levier double (5) dans le même sens de rotation que le rouleau complémentaire (55).
  2. Dispositif selon la revendication 1, caractérisé en ce que la courbe (4) à élément de ressort est également installée sur le support de courbe (1) mobile, le levier double (5) et le levier (6) à élément de ressort étant de préférence installés à rotation sur un arbre (7) commun.
  3. Dispositif selon la revendication 2, caractérisé en ce que la courbe (4) à élément de ressort et la courbe complémentaire (3) présentent une courbure de même forme et sont de préférence configurées comme courbe unique.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce qu'une rotation du levier double (5) provoquée par la courbe de commande (2) relève les pinces de transport transversal tandis qu'une rotation du levier double (5) provoquée par la courbe complémentaire (3) ou par la courbe (4) à élément de ressort les abaisse.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que la courbe de commande (2), la courbe complémentaire (3) et la courbe (4) à élément de ressort sont configurées de telle sorte que lorsque les pinces de transport transversal sont dans la position complètement abaissée, le rouleau (62) à élément de ressort repose contre la courbe (4) à élément de ressort et l'élément de ressort (61) exerce sur le levier double (5) un couple de rotation qui repousse les pinces de transport transversal vers le bas pendant que le rouleau de commande (54) est relevé de la courbe de commande (2) et que le rouleau complémentaire (55) est relevé de la courbe complémentaire (3).
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que la courbe de commande (2), la courbe complémentaire (3) et la courbe (4) à élément de ressort sont configurées de telle sorte que les pinces de transport transversal peuvent être relevées dans une position basse de relèvement par la courbe de commande (2) en opposition au couple de rotation exercé par l'élément de ressort (61) sur le levier double (5), pendant que le rouleau complémentaire (55) est relevé de la courbe complémentaire (3).
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que la courbe de commande (2), la courbe complémentaire (3) et la courbe (4) à élément de ressort sont configurées de telle sorte que les pinces de transport transversal peuvent être abaissées par la courbe de commande (2) depuis une position basse de relèvement jusque dans la position complètement abaissée avec le soutien du couple de rotation exercé sur le levier double (5) par l'élément de ressort (61), pendant que le rouleau complémentaire (55) est relevé de la courbe complémentaire (3).
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que la courbe de commande (2), la courbe complémentaire (3) et la courbe (4) à élément de ressort sont configurées de telle sorte que les pinces de transport transversal peuvent être relevées dans une position moyenne de relèvement par la courbe de commande (2) en remontant lentement depuis la position complètement abaissée en opposition au couple de rotation exercé par l'élément de ressort (61) sur le levier double (5) pendant que le rouleau complémentaire (55) vient se placer contre la courbe complémentaire (3), et peuvent ensuite être abaissées dans la position complètement abaissée, plus rapidement que le mouvement de relèvement, de préférence environ trois fois plus rapidement, avec le soutien du couple de rotation exercé par l'élément de ressort (61) sur le levier double (5), pendant que le rouleau complémentaire (55) se relève de nouveau de la courbe complémentaire (3).
  9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que la courbe de commande (2), la courbe complémentaire (3) et la courbe (4) à élément de ressort sont configurées de telle sorte que les pinces de transport transversal peuvent être relevées dans une position haute de relèvement par la courbe de commande (2) depuis la position complètement abaissée, en opposition au couple de rotation exercé par l'élément de ressort (61) sur le levier double (5), pendant que le rouleau complémentaire (55) vient se placer contre la courbe complémentaire (3), et peuvent être de nouveau abaissées depuis cette position jusque dans la position complètement abaissée avec le soutien du couple de rotation exercé par l'élément de ressort (61) sur le levier double (5), pendant que le rouleau complémentaire (55) se relève de nouveau de la courbe complémentaire (3).
  10. Dispositif selon la revendication 9, caractérisé en ce que la courbe de commande (2), la courbe complémentaire (3) et la courbe (4) à élément de ressort sont configurées de telle sorte que pendant un cycle de déplacement du support de courbe mobile (1), les pinces de transport transversal sont relevées depuis la position complètement abaissée jusque dans la position basse ou moyenne de relèvement, sont abaissées depuis cette dernière jusque dans la position complètement abaissée, sont relevées depuis cette dernière jusque dans la position haute de relèvement et enfin sont abaissées depuis cette dernière jusque dans la position complètement abaissée.
  11. Dispositif selon l'une des revendications 1 à 10, caractérisé en ce que le support de courbe mobile est un arbre de commande (1) apte à tourner.
EP00938434A 1999-07-29 2000-06-30 Dispositif pour produire un mouvement de levage et d'abaissement Expired - Lifetime EP1200213B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH141099 1999-07-29
CH141099 1999-07-29
PCT/CH2000/000353 WO2001008832A1 (fr) 1999-07-29 2000-06-30 Dispositif pour produire un mouvement de levage et d'abaissement

Publications (2)

Publication Number Publication Date
EP1200213A1 EP1200213A1 (fr) 2002-05-02
EP1200213B1 true EP1200213B1 (fr) 2003-03-05

Family

ID=4209804

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00938434A Expired - Lifetime EP1200213B1 (fr) 1999-07-29 2000-06-30 Dispositif pour produire un mouvement de levage et d'abaissement

Country Status (14)

Country Link
US (1) US6684723B1 (fr)
EP (1) EP1200213B1 (fr)
JP (1) JP3768881B2 (fr)
KR (1) KR100454451B1 (fr)
CN (1) CN1211171C (fr)
AT (1) ATE233623T1 (fr)
AU (1) AU5384500A (fr)
CZ (1) CZ296735B6 (fr)
DE (1) DE50001408D1 (fr)
EA (1) EA003289B1 (fr)
ES (1) ES2190972T3 (fr)
TW (1) TW483782B (fr)
UA (1) UA72529C2 (fr)
WO (1) WO2001008832A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10519517B2 (en) 2001-01-19 2019-12-31 Vironovative Bv Virus causing respiratory tract illness in susceptible mammals

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CN1646684B (zh) 2002-02-21 2010-10-06 免疫医疗疫苗公司 重组副流感病毒表达系统以及包含源自间质肺病毒的异种抗原的疫苗
DE102009035551A1 (de) * 2009-07-31 2011-02-03 Valeo Klimasysteme Gmbh Kurvengetriebe
CN101972819B (zh) * 2010-09-06 2012-03-21 张舜德 一种间歇式高频率往复送料机构
ES2396845B1 (es) 2010-12-17 2014-01-16 Industrias Peñalver, S.L. Cabezal de rebarnizado para tapas.
EP3785653A1 (fr) 2011-04-12 2021-03-03 Thermedical, Inc. Dispositifs de surveillance de température à distance dans une thérapie d'ablation à injection de fluide
CN104498869A (zh) * 2014-12-25 2015-04-08 安徽省恒泰动力科技有限公司 一种凸轮式活塞镶圈渗铝装置
CN107559399B (zh) * 2017-09-27 2020-05-22 浙江博盟精工轴承有限公司 一种凸轮传动机构
CN108999941A (zh) * 2018-09-03 2018-12-14 惠州市成泰自动化科技有限公司 凸轮传动机构

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GB1237182A (en) * 1969-03-27 1971-06-30 Smeralovy Zd Y Improvements in or relating to feed arrangements for multi-operational forging presses
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JP3397327B2 (ja) * 1996-10-03 2003-04-14 ハテブール・ウムフォルムマシーネン・アクチェンゲゼルシャフト 多段階成形機械において製造工程にある製品を自動的に輸送する装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10519517B2 (en) 2001-01-19 2019-12-31 Vironovative Bv Virus causing respiratory tract illness in susceptible mammals

Also Published As

Publication number Publication date
CZ296735B6 (cs) 2006-06-14
WO2001008832A1 (fr) 2001-02-08
DE50001408D1 (de) 2003-04-10
JP2003505253A (ja) 2003-02-12
JP3768881B2 (ja) 2006-04-19
ATE233623T1 (de) 2003-03-15
CZ20014557A3 (cs) 2002-05-15
EA200200210A1 (ru) 2002-08-29
AU5384500A (en) 2001-02-19
TW483782B (en) 2002-04-21
UA72529C2 (en) 2005-03-15
EP1200213A1 (fr) 2002-05-02
CN1211171C (zh) 2005-07-20
KR100454451B1 (ko) 2004-10-28
CN1365305A (zh) 2002-08-21
EA003289B1 (ru) 2003-04-24
US6684723B1 (en) 2004-02-03
ES2190972T3 (es) 2003-09-01
KR20020015372A (ko) 2002-02-27

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