EP1716939B1 - Dispositif d'alimentation de tôles pour une machine à poinçonner à entraînement simultané et distribution uniforme de pression - Google Patents

Dispositif d'alimentation de tôles pour une machine à poinçonner à entraînement simultané et distribution uniforme de pression Download PDF

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Publication number
EP1716939B1
EP1716939B1 EP05026898A EP05026898A EP1716939B1 EP 1716939 B1 EP1716939 B1 EP 1716939B1 EP 05026898 A EP05026898 A EP 05026898A EP 05026898 A EP05026898 A EP 05026898A EP 1716939 B1 EP1716939 B1 EP 1716939B1
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EP
European Patent Office
Prior art keywords
feeder
punch
metal sheet
link device
control members
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
EP05026898A
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German (de)
English (en)
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EP1716939A1 (fr
Inventor
Chi-Min Ho
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.)
Elite Machine and Design Ltd
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Elite Machine and Design Ltd
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 Elite Machine and Design Ltd filed Critical Elite Machine and Design Ltd
Priority to EP05026898A priority Critical patent/EP1716939B1/fr
Priority to DE602005002242T priority patent/DE602005002242D1/de
Priority to AT05026898T priority patent/ATE371509T1/de
Publication of EP1716939A1 publication Critical patent/EP1716939A1/fr
Application granted granted Critical
Publication of EP1716939B1 publication Critical patent/EP1716939B1/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
    • B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
    • B21D43/09—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers by one or more pairs of rollers for feeding sheet or strip material

Definitions

  • the present invention relates to a metal sheet-feeder for punch according to the preamble of claim 1.
  • Taiwan Patent Publication No. 284190 entitled “Roller type metal plate feeder adjusting assembly” comprises a platform 10, an adjusting member 20, a link axle 30, an eccentric cam 40 and a rotary axle 50.
  • An adjusting member 20 is disposed separately on both sides of the platform 10.
  • the adjusting member 20 has a long hole 21 for allowing a screw 212 to adjust the height of the platform 10.
  • the link axle 30 has two adjusting members 20 disposed separately on both sides of the link axle 30.
  • the eccentric cam 40 is coupled at one end of the link axle 30 and has a handle 41 for pivotally rotating the link axle 30 and the adjusting member 20 when the handle 41 is pulled. Such arrangement changes the height of the adjusting member 20 and the rotary axle 50.
  • the screw 212 is used to pass through the long hole 21 of the adjusting member 20 to secure the adjusting member 20 in position. Then, a spring (not numbered in the publication) disposed at the internal side of the handle 41 is used to achieve the purpose of synchronously adjusting a gap.
  • the prior art structure still has many drawbacks. Specifically, it is necessary to adjust the spring (not numbered in the publication) at the inner side of the handle 41 when the force for clamping the two rollers is adjusted, such that the downward force can be exerted evenly on the metal panel. Since it is difficult for the spring to control the adjustment due to a wrong number of turns or due to the operation by an inexperienced operator, the force exerted on both ends of the rollers will be uneven and the metal panel may be tilted or twisted, and thus resulting in an unsmooth operation of the material feeding process and causing troubles to the application. The aforementioned problems demand immediate attention and improvements.
  • a metal sheet-feeder for punch of the initially mentioned type is known, for example, from US-A-2 660 427 .
  • the present invention is intended to overcome the technical issues of requiring an adjustment of a spring at the inner side of the handle when the force for clamping the two rollers is adjusted, so that a downward force can be exerted evenly on the metal panel. Since it is difficult for the spring to control the adjustment due to a wrong number of turns or due to the operation by an inexperienced operator, the force exerted on both ends of the rollers will be uneven and the metal panel may be tilted or twisted, and thus resulting in an unsmooth operation of the material feeding process and causing troubles to the application.
  • a metal sheet-feeder for punch according to a first preferred embodiment of the present invention -comprises a platform 10, a link device 30 and a strain device 40.
  • the platform 10 comprises two control members 20, and each control member 20 can elastically push against a movable roller 15.
  • the link device 30 is disposed between the two control members 20 and is capable of driving one of the two control members 20 to move according to the movement of another one of the two control members 20 so the two control members 20 act synchronously at the movable roller 15.
  • the strain device 40 is installed onto the link device 30 to assure the synchronous movement of the link device 30.
  • the platform 10 comprises a side panel 11 disposed separately on both sides of the platform 10.
  • a fixed roller 12 and a pivotal axle 13 are disposed between the two side panels 11.
  • a movable stand 14 is installed onto the pivotal axle 13, and the movable stand 14 uses the pivotal axle 13 as the center of rotation and produces a swinging relation with respect to the side panels 11.
  • the movable stand 14 comprises the movable roller 15 being pivotally disposed therein and parallel to the fixed roller 12, such that the movable roller 15 can generate a change to a gap between the swing of the movable roller 15 and the fixed roller 12.
  • the movable stand 14 has a spring 141 installed separately on both ends of the top of the movable stand 14.
  • the two side panels 11 also install a top panel 16, and an accommodating space 161 is disposed on one side of the top panel 16.
  • a through hole 162 is disposed on each of both sides of the accommodating space 161, and the through hole 162 has a thread therein.
  • the control member 20 passes into the through hole 162 of the top panel 16 and also couples to the spring 141 of the movable stand 14.
  • the control members 20 are pressed by the spring 141 to move the movable stand 14 downward, so that the movable roller 15 pivotally coupled in the movable stand 14 presses on the fixed roller 12.
  • the control members 20 pass through the two through holes 162 of the top panel 16 according to this embodiment.
  • the control member 20 comprises an adjusting end 21 and a threaded end 22.
  • the adjusting end 21 according to this embodiment is a hexagonal adjusting end 21 having a penetrating hole 211 disposed on one side for allowing users to pull the adjusting end 21 by a tool.
  • a groove 221 is disposed at the external periphery of the threaded end 22 and is parallel to the axis.
  • the threaded end 22 forms a hollow sink hole 222 therein.
  • the sink hole 222 can accommodate the spring 141 in contact with the movable stand 14.
  • the link device 30 is installed in the accommodating space 161 of the top panel 16 and coupled between the two control members 20.
  • the link device 30 comprises two active components 31, a passive component 32 and two bases 33.
  • the two active components 31 are coupled to the threaded ends 22 of the two control members 20, respectively.
  • the active component 31 has a through hole 311, and a key slot 312 is disposed above the through hole 311.
  • a key 313 is installed between the key slot 312 and a groove 221 of the threaded end 22 for driving each other.
  • the active component 31. according to this embodiment is a gear
  • the passive component 32 according to this embodiment is a synchronous belt installed between the two gears.
  • the passive component 32 can effectively drive the active components 31 to rotate.
  • the two bases 33 are secured, respectively, to both ends of the accommodating space 161 of the top panel 16 for fixing both active components 31 at appropriate positions.
  • the base 33 comprises a through hole 331 having a thread therein for passage of the threaded end 22 of the control member 20.
  • the strain device 40 is installed in the accommodating space 161 of the top panel 16 and is in contact with the passive component 32 of the link device 30.
  • the strain device 40 comprises a first roller 41 and a second roller 42.
  • the first roller 41 is installed onto the internal side of the foregoing synchronous belt and the second roller 42 is installed onto the external side of the synchronous belt.
  • the control member 20 is connected with the movable stand 14 by the spring 141, such that the spring 141 of the movable stand 14 can push the movable roller 15 to be in contact with the fixed roller 12 for the material feeding operation.
  • the gap between the movable roller 15 and the fixed roller 12 can be adjusted to cope with the change to the thickness of materials. If the movable roller 15 can maintain an even force exerted, on the fixed roller 12, it only needs to rotate one control member 20, with the other control member 20 driven by the link device 30 to produce a synchronous rotation.
  • the link device 30 is installed onto the internal side of the top panel 16.
  • the link device 30 can produce a synchronous movement for both ends of the movable roller 15.
  • the other control member 20 is linked as well.
  • the control members 20 utilize the spiral movement of the threaded end 22 for fine tuning a slight axial gain in order to achieve the function of synchronously fine tuning the movable roller 15 to press down.
  • one control member 20 drives its adjusting end 21 to rotate, so that the control member 20 drives the gear on the same end to rotate.
  • the other control member 20 is driven to produce a synchronous rotation as to produce an effect of synchronously elastically pushing the movable roller 15.
  • the spring 141 is compressed to push the movable stand 14.
  • the movable stand 14 is pushed synchronously by the springs 141 on both sides, so that both ends of the movable roller 15 produce the same forces and the movable roller 15 will not incline to one side.
  • a simple operation can keep an even force at the contact surface between the movable roller 15 and the fixed roller 12, so that the clamped material can be fed smoothly.
  • the present invention is a novel useful design.
  • FIG. 6 Please refer to FIG. 6 for the metal sheet-feeder for punch according to a second preferred embodiment of the present invention.
  • the link device 30 collocating with a gear wheel and a chain also gives an excellent effect on the synchronization.
  • This embodiment can install a strain device 40 at the chain, so that the chain can press on the two gear wheels to prevent any asynchronous movement caused by the error of the gap and assure the fine-tuned synchronous movement.
  • the active component 31 of the link device 30 is a gear
  • the passive component 32 comprises a plurality of gears coupled between the active components 31.
  • the present invention herein enhances the performance over that of the conventional structure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Press Drives And Press Lines (AREA)

Claims (13)

  1. Dispositif d'alimentation de tôles pour une machine à poinçonner comprenant :
    une plateforme (10) incluant un premier panneau latéral (11), un deuxième panneau latéral (11) et un panneau de dessus (16) disposé sur lesdits premier et deuxième panneaux latéraux (11) ;
    un rouleau fixe (12) couplé de manière pivotante entre lesdits premier et deuxième panneaux latéraux (11),
    un support mobile (14) avec un rouleau mobile (15) disposé pivotant à l'intérieur de celui-ci et parallèle audit rouleau fixe (12), dans lequel le rouleau mobile (15) peut générer un changement d'espacement entre le rouleau mobile (15) et le rouleau fixe (12), dans lequel ledit rouleau mobile (15) maintient une pression constante par rapport audit rouleau fixe (12) de façon à exercer une force régulière sur une pièce de fabrication serrée par des surfaces de contact dudit rouleau mobile (15) et dudit rouleau fixe (12) ; et
    deux éléments de commande (20) qui sont disposés sur ledit panneau de dessus (16) et reliés respectivement au support mobile (14) par un ressort (141) pour pousser élastiquement le support (14), dans lequel lorsqu'on entraîne les éléments de commande (20), cela fait varier la force appliquée par les ressorts (141) ;
    caractérisé par
    un dispositif de liaison (30) couplant lesdits éléments de commande (20) pour entraîner simultanément un desdits éléments de commande (20) en fonction du mouvement d'un autre desdits éléments de commande (20) pour synchroniser l'entraînement desdits deux éléments de commande (20).
  2. Dispositif d'alimentation de tôles pour une machine à poinçonner selon la revendication 1, dans lequel le support mobile (14) est disposé de manière pivotante entre lesdits deux panneaux latéraux (11) pour produire un mouvement de basculement par rapport aux dits panneaux latéraux (11).
  3. Dispositif d'alimentation de tôles pour une machine à poinçonner selon la revendication 1 ou 2, dans lequel lesdits éléments de commande (20) sont reliés séparément au support mobile (14) à ses deux extrémités et sur un côté dudit support mobile (14).
  4. Dispositif d'alimentation de tôles pour une machine à poinçonner selon la revendication 1, dans lequel ledit panneau de dessus (16) comprend un espace de logement (161) sur un de ses côtés pour installer ledit dispositif de liaison (30).
  5. Dispositif d'alimentation de tôles pour une machine à poinçonner selon la revendication 4, dans lequel ledit espace de logement (161) inclut un trou traversant (162) à chacune de ses deux extrémités qui est destiné au passage desdits éléments de commande (20), et ledit trou traversant (162) comprend un filetage permettant de recevoir par vissage ledit élément de commande (20).
  6. Dispositif d'alimentation de tôles pour une machine à poinçonner selon la revendication 1, dans lequel chaque élément de commande (20) possède une extrémité d'ajustement (21) permettant à un utilisateur d'actionner ledit élément de commande (20), et une extrémité filetée (22) destinée à traverser par vissage ledit panneau de dessus (16) et à produire un mouvement en spirale.
  7. Dispositif d'alimentation de tôles pour une machine à poinçonner selon la revendication 6, dans lequel ladite extrémité filetée (22) comprend une gorge (221) disposée sur le pourtour extérieur de ladite extrémité filetée (22) et est parallèle à un axe destiné à installer une clavette (313) pour commander le fonctionnement dudit dispositif de liaison (30), et un logement creux (222) destiné à recevoir intérieurement le ressort (141).
  8. Dispositif d'alimentation de tôles pour une machine à poinçonner selon la revendication 1, dans lequel le dispositif de liaison (30) comprend deux composants actifs (31) et un composant passif (32), dans lequel ledit composant actif (31) est un engrenage et ledit composant passif (32) est une courroie synchrone.
  9. Dispositif d'alimentation de tôles pour une machine à poinçonner selon la revendication 1, dans lequel le dispositif de liaison (30) comprend deux composants actifs (31) et un composant passif (32), dans lequel ledit composant actif (31) est une roue dentée et ledit composant passif (32) est une chaîne.
  10. Dispositif d'alimentation de tôles pour une machine à poinçonner selon la revendication 1, dans lequel le dispositif de liaison (30) comprend deux composants actifs (31) et un composant passif (32), dans lequel ledit composant actif (31) est un engrenage et ledit composant passif (32) comprend une pluralité d'engrenages.
  11. Dispositif d'alimentation de tôles pour une machine à poinçonner selon la revendication 1, dans lequel le dispositif de liaison (30) comprend deux composants actifs (31) et un composant passif (32), dans lequel ledit composant passif (32) dudit dispositif de liaison (30) est en outre muni d'un dispositif de contrainte (40) destiné à presser lesdits composants passifs (32) contre ledit composant actif (31).
  12. Dispositif d'alimentation de tôles pour une machine à poinçonner selon la revendication 1, dans lequel le dispositif de liaison (30) comprend deux composants actifs (31), un composant passif (32) et deux bases (33), et où lesdits deux composants actifs (31) sont respectivement couplés aux dits deux éléments de commande (20) et ledit composant passif (32) est couplé entre lesdits deux composants actifs (31) pour générer un mouvement synchrone.
  13. Dispositif d'alimentation de tôles pour une machine à poinçonner selon la revendication 12, dans lequel lesdites deux bases (33) sont fixées à un côté dudit panneau de dessus (16) pour fixer lesdits deux composants actifs (31) à des positions appropriées.
EP05026898A 2005-12-08 2005-12-08 Dispositif d'alimentation de tôles pour une machine à poinçonner à entraînement simultané et distribution uniforme de pression Expired - Lifetime EP1716939B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP05026898A EP1716939B1 (fr) 2005-12-08 2005-12-08 Dispositif d'alimentation de tôles pour une machine à poinçonner à entraînement simultané et distribution uniforme de pression
DE602005002242T DE602005002242D1 (de) 2005-12-08 2005-12-08 Vorrichtung zum Vorschieben eines Bleches in eine Stanzpresse mit einem simultanen Antrieb und mit gleichmäßiger Verteilung des Druckes
AT05026898T ATE371509T1 (de) 2005-12-08 2005-12-08 Vorrichtung zum vorschieben eines bleches in eine stanzpresse mit einem simultanen antrieb und mit gleichmässiger verteilung des druckes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05026898A EP1716939B1 (fr) 2005-12-08 2005-12-08 Dispositif d'alimentation de tôles pour une machine à poinçonner à entraînement simultané et distribution uniforme de pression

Publications (2)

Publication Number Publication Date
EP1716939A1 EP1716939A1 (fr) 2006-11-02
EP1716939B1 true EP1716939B1 (fr) 2007-08-29

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Application Number Title Priority Date Filing Date
EP05026898A Expired - Lifetime EP1716939B1 (fr) 2005-12-08 2005-12-08 Dispositif d'alimentation de tôles pour une machine à poinçonner à entraînement simultané et distribution uniforme de pression

Country Status (3)

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EP (1) EP1716939B1 (fr)
AT (1) ATE371509T1 (fr)
DE (1) DE602005002242D1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107377812B (zh) * 2017-08-15 2023-07-28 蚌埠捷顺机器有限公司 一种能够自动上料的卷圆机
CN112122430A (zh) * 2020-09-14 2020-12-25 仙居云利电子科技有限公司 一种可分拣废料的金属板冲压设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2660427A (en) * 1948-06-26 1953-11-24 Haller John Feeding device for sheet material
US2819072A (en) * 1955-09-23 1958-01-07 Wittek Rudolph Automatic roll feed for punch presses
CH679134A5 (fr) * 1989-05-03 1991-12-31 Bruderer Ag
JPH04313556A (ja) * 1990-11-30 1992-11-05 Sankyo Seisakusho:Kk ロールフィード
EP0730920B1 (fr) * 1995-03-03 2001-11-21 SIRI Pressenautomation GmbH Dispositif pour enlever un des rouleaux d'un système d'alimentation à grande dynamique avec mesure d'épaisseur intégré de la tôle
ATE413243T1 (de) * 2001-10-18 2008-11-15 Bruderer Ag Vorrichtung zum schrittweisen vorschieben eines bandförmigen werkstückes

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Publication number Publication date
DE602005002242D1 (de) 2007-10-11
ATE371509T1 (de) 2007-09-15
EP1716939A1 (fr) 2006-11-02

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