EP1002596B1 - Appareil pour le transport pas à pas d'une bande - Google Patents

Appareil pour le transport pas à pas d'une bande Download PDF

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Publication number
EP1002596B1
EP1002596B1 EP98122037A EP98122037A EP1002596B1 EP 1002596 B1 EP1002596 B1 EP 1002596B1 EP 98122037 A EP98122037 A EP 98122037A EP 98122037 A EP98122037 A EP 98122037A EP 1002596 B1 EP1002596 B1 EP 1002596B1
Authority
EP
European Patent Office
Prior art keywords
pivot point
pressing member
point
feed
distance
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
EP98122037A
Other languages
German (de)
English (en)
Other versions
EP1002596A1 (fr
Inventor
Andrea Molinari
Helmut Messner
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.)
Bruderer AG
Original Assignee
Bruderer 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 Bruderer AG filed Critical Bruderer AG
Priority to DE59803358T priority Critical patent/DE59803358D1/de
Priority to EP98122037A priority patent/EP1002596B1/fr
Priority to US09/388,915 priority patent/US6283352B1/en
Priority to SG1999004567A priority patent/SG73670A1/en
Priority to JP27886399A priority patent/JP4291925B2/ja
Publication of EP1002596A1 publication Critical patent/EP1002596A1/fr
Application granted granted Critical
Publication of EP1002596B1 publication Critical patent/EP1002596B1/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
    • B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
    • B21D43/11—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers for feeding sheet or strip material
    • 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 device for the gradual, periodic advancement of a band-shaped workpiece, with one for periodic Exerting pressure on the workpiece determined first pressing member and a periodically driven one, with the first Pressing member cooperating second pressing member, which two pressing members are designed to be the band-shaped Tool for periodically clamping and advancing the same record between themselves, and with a periodic movable first locking member, which is intended the band-shaped workpiece periodically against a second Press locking element to lock it briefly.
  • the drive takes place of the oscillating feed rollers or feed tongs by a crank mechanism or by a curved pendulum gear.
  • curved pendulum gear to generate the feed movement
  • the feed angle is chosen larger or smaller than 180 ° can be, as opposed to a crank gear the sequence of movements in the curved pendulum gear varies can be chosen. Accordingly, at the end positions of the feed movement any length Standstill of the feed elements during acceleration be set from 0. The flexibility of the movements the feed links can be increased with it, however the feed rate is reduced accordingly, since a more or less long standstill in the final stages of the Feed motion is present.
  • US-A-4 819 850 discloses an apparatus of the type mentioned at the beginning, which are gradual periodic Pushing a curve pendulum gear shows. however a special one must be used to change the feed length Cogs can be turned, which with a swinging threaded bolt connected is.
  • the invention seeks to remedy this.
  • the Invention as characterized in the claims the task solves a device for gradual, periodic Feeding a band-shaped workpiece create, in which the press member assigned to the feed and the locking member of only one cam be driven, so that when a curved pendulum gear Momentary standstill with maximum acceleration in the End positions is made possible by a simple change of position the feed length can be changed can.
  • a Curved pendulum gear 2 In the housing 1 of the feed device is a Curved pendulum gear 2 arranged. This pendulum gear is driven by a shaft 3, which is a multi-spline shaft is trained.
  • the curved pendulum gear 2 is Slidably mounted on guide rails 4 in the housing 1.
  • the curved pendulum gear 2 has a drum 5 with a roller guide 6, by means of which the rollers 7, 8 are performed.
  • the backdrop 9 controlled, which is pivotally mounted on a pivot pin 10. Operational the backdrop 9 thus oscillates between the with extended Lines drawn position 9, and with dash-dotted lines drawn position 9 '.
  • a sliding block 11 In the Setting 9 is a sliding block 11 is arranged. This Sliding block 11 is rotatably mounted on a pin 12, which pin 12 is part of the tong holder 13.
  • the backdrop swings between the Positions 9 and 9 ', the distance 14 between the drawn end positions the feed length of the tong holder 13 shows.
  • the tong holder 13 is on shafts 15 and 16 can be moved in an oscillating manner in the direction of the tape feed stored and moves along the route 14 and forth, the length of the route through the two end positions the backdrop 9 is set.
  • the tong holder 13 carries the lower part of the pliers, on which lower part of the pliers 26 the tape 17 to be advanced rests.
  • the upper Plier carrier 18 with the upper part of the pliers 19 is on one another shaft 20 slidable in the tape running direction stored.
  • the upper tong holder 18 is over pins 21, 22, 23 in corresponding bores of the tong holder 13 Slidably mounted in the vertical direction.
  • the further one Shaft 20 has eccentric pins 24, 24 'on both sides by means of which they are designed as double-arm levers Control levers 25, 25 'are mounted.
  • the feed length 0 is, since the central axis of the pin 12 in the sliding block 11 coincides with the central axis of the pivot pin 10.
  • a second tab 35 is at a second articulation point 36 Main arm 34 articulated. This second articulation point is over a first distance a (see FIG. 8) from the first articulation point away.
  • the second tab 35 is at one third articulation point 37 on a first double-arm lever 25 hinged.
  • FIG. 1 constructive there are two levers 25, 25 'here only one double-arm lever for the sake of simplified explanation, here the double arm lever 25 is shown.
  • This first double arm lever 25 is at a first bearing point 38 stored, which by a distance c from the third articulation point 37 is removed.
  • a fourth Articulation point 39 is the first double arm lever 25 with the Upper tong section 19 (or upper tong holder 18) connected. Between the upper part of the pliers 19 and the one arranged underneath Pliers lower part 26 runs the to be advanced Volume 17.
  • the fourth articulation point 39 is around a stretch d removed from the first bearing 38.
  • a third tab 40 is at a fifth Articulation point 41 articulated on the main arm 34.
  • This fifth Articulation point 41 is a distance b from the first articulation point 33 removed.
  • the third tab 40 is at one sixth articulation point 42 on a second double arm lever 43 hinged.
  • This second double arm lever 43 is at a second bearing 44 and pivotally mounted at a seventh articulation point 45 with the clamping ruler 46 connected, which the tape 17 against in certain positions a stationary support 47 presses.
  • the second depository 44 of the second double arm lever 43 is one fifth distance e from the sixth articulation point 42 and around a sixth distance f from the seventh articulation point 45 away.
  • the end is the main arm 34 on another spring 48 supported. At this point is above the Main arm 34 a slidable stop 49 is arranged.
  • Figure 7 shows the positions of the various Components during the feed phase of the feed device.
  • the angle lever 30 is counterclockwise the force of the spring 29 is pivoted. This swivel movement of the angle lever 30 is on the first tab 32 on the transfer first articulation point 33 of the main arm 34.
  • the Main arm 34 is supported on the further spring 48. It there is a pivoting movement of the main arm 34 clockwise, with which the second tab 35 upwards (according to the Representation in the figures) is moved, with which a rotary movement the first double lever 25 around the bearing 38 he follows.
  • Figure 8 shows the position of the boom assembly after the feed of the belt has ended 17.
  • the cam roller 27 has continued to turn in the direction of arrow G. and is in the position according to FIG. 8.
  • This position is only a momentary, temporary one Position. In this position, the pliers 19, 26 in the Closed position, and at the same time there are Clamping ruler 46 and the support 47 in the clamping position. Due to the aspect ratios described above distances a - f mentioned, this position is now independent guaranteed by the thickness of the tape 17.
  • Figure 9 shows the positions of each Links of the boom assembly while the Pliers 19, 26 moved back to the starting position.
  • the band 17 is through the clamping ruler 46 and the support 47 held.
  • the spring force of the others Spring 48 is over the main arm 34, the third tab 14 and via the second double arm lever 43 onto the clamping ruler 46 transmitted, with the main arm 34 at the fifth Articulation point 41 is supported, which thus the Pivotal point of the main arm 34 forms.
  • the pivoting movement of the bell crank 30 is over the first tab 32 and the first articulation point 33 transferred to the main arm 34.
  • the main arm 34 rotates around the fifth articulation point as described 41.
  • This movement is on the second tab 35 on the transferred first double arm lever 25, the clockwise rotates and thus the upper part of the pliers 19 lifts off the belt 17.
  • the largest open position of the upper jaw part 19 is reached their maximum value at the position shown in FIG. 9 the cam disc 27.
  • the pliers 19, 26 can only be in the open position when the clamping ruler 46 rests on the belt 17 and this presses against the support 47, i.e. holds it clamped.
  • the clamping ruler 46 can only be in the open position be when the upper part of the pliers 19 jams the volume 17 rests.
  • This position of the intermediate ventilation is determined by determines the stop 49, the time or Time span, the intermediate ventilation from the position of the stop 49 whichever is vertical (with respect to the graphic representation) is adjustable.
  • the figure 10 shows the lever arrangement in the intermediate ventilation position.
  • the main arm 34 lies with the other compressed Spring 48 on stop 49. This will become the point of contact between the main arm 34 and the stop 49 for Pivotal point of the main arm 34, which is thus around this point pivots and consequently both tabs, i.e.
  • the upper roller 50 is freely rotatable in the first Double arm lever 25 is mounted and is moved of the double arm lever 25 pressed against the band 17, or lifted off the same.
  • the lower roller 51 is with the curved pendulum gear 2 drive connected and oscillates in Tape feed direction.
  • the band is 17th between the top roller 50 and the oscillating bottom roller 51 is clamped and is due to the rotary movement the lower roller 51 advanced.
  • the through the further Spring 48 is applied to the main arm 34 force via the tab 35 and the first double arm lever 25 the top roller 50 transferred.
  • the Main arm 34 supported at the first articulation point 33.
  • the belt 17 is run between the oscillating rollers 50, 51 clamped and pushed forward.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Advancing Webs (AREA)
  • Press Drives And Press Lines (AREA)
  • Basic Packing Technique (AREA)

Claims (2)

  1. Dispositif pour faire avancer pas à pas de manière périodique une bande à usiner (17), avec un premier organe de pression (19;50) pour exercer périodiquement une pression sur la pièce à usiner (17), avec un second organe de pression (26;51) coopérant avec le premier organe de pression (19;50), les deux organes de pression (19;50 et 26;51) étant destinés à saisir la bande (17) entre eux pour la coincer et la faire avancer périodiquement, avec un premier organe d'immobilisation (46) déplaçable périodiquement et destiné à presser périodiquement la bande à usiner (17) contre un second organe d'immobilisation (47') et à l'arrêter brièvement, avec une transmission pendulaire (2) à came coulissant longitudinalement sur un arbre d'entraínement (3) et relié par des moyens d'entraínement avec au moins le second organe de pression (26;51), caractérisé en ce qu'il est prévu une seule came (27) rigidement fixée sur l'arbre d'entraínement(3) et reliée pour l'entraínement par une tringlerie de transmission (25,30,32,34,35,40,43) tant avec le premier organe de pression (19;50) qu'avec le premier organe d'immobilisation (46), de façon à ce qu'une seule came (27) commande le mouvement périodique servant à exercer une pression par le premier organe de pression (19;50) et le mouvement périodique pour immobilisation par coinçage du premier organe d'immobilisation (46), et en ce que la transmission pendulaire à came (2) comporte un tambour (5) déplaçable longitudinalement et de façon commandée sur l'arbre d'entraínement (3) et comprenant des surfaces de guidage (6) sur lesquelles reposent des rouleaux (7;8) connectés avec une coulisse pivotante (9) dans laquelle est agencé un coulisseau (11) relié au moins au second organe de pression (26;51), de façon à ce que l'avance (14) de la bande à usiner puisse être modifiée par une modification de la position du tambour (5) sur l'arbre d'entraínement (3).
  2. Dispositif selon la revendication 1 caractérisé par un rouleau de came (28) reposant sur l'unique came (27) et élastiquement pressé contre celle-ci, le palier du rouleau étant porté par un levier coudé (30) pivotant autour d'un centre immobile (31) et sur lequel est articulée une première éclisse (32), elle-même articulée en une première articulation (33) sur un bras principal (34) sur lequel est articulée une seconde éclisse (35) à une première distance (a) de la première articulation (33), la seconde éclisse étant par ailleurs articulée en une troisième articulation (37) sur un premier levier à deux bras (25) pivotant autour d'un premier palier (38) 'situé à une distance (c) de la troisième articulation (37), ce levier à deux bras (25) étant réuni par une quatrième articulation (39) située à une troisième distance (d) du premier palier (38) à un premier organe de pression (19;50), une troisième éclisse (40) étant articulée sur le bras principal (34) par une cinquième articulation (41) située à une quatrième distance (b) de la première articulation (33), et sur un second levier à deux bras (43) par une sixième articulation (42), ce second levier à deux bras pivotant autour d'un second palier (44) situé à une cinquième distance (41) de la sixième articulation (42), ce second levier à deux bras (43) étant réuni par une septième articulation (45) située à une sixième distance (f) du second palier (44) au premier organe d'immobilisation (46), les rapports des distances satisfaisant la relation a x dc = b x fe .
EP98122037A 1998-11-20 1998-11-20 Appareil pour le transport pas à pas d'une bande Expired - Lifetime EP1002596B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE59803358T DE59803358D1 (de) 1998-11-20 1998-11-20 Vorrichtung zum schrittweisen Vorschieben eines bandförmigen Werkstückes
EP98122037A EP1002596B1 (fr) 1998-11-20 1998-11-20 Appareil pour le transport pas à pas d'une bande
US09/388,915 US6283352B1 (en) 1998-11-20 1999-09-01 Apparatus for a stepwise feeding of a strip-like workpiece
SG1999004567A SG73670A1 (en) 1998-11-20 1999-09-16 An apparatus for a stepwise feeding of a strip-like workpiece
JP27886399A JP4291925B2 (ja) 1998-11-20 1999-09-30 帯状工作物の段階的供給用装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98122037A EP1002596B1 (fr) 1998-11-20 1998-11-20 Appareil pour le transport pas à pas d'une bande

Publications (2)

Publication Number Publication Date
EP1002596A1 EP1002596A1 (fr) 2000-05-24
EP1002596B1 true EP1002596B1 (fr) 2002-03-13

Family

ID=8233008

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98122037A Expired - Lifetime EP1002596B1 (fr) 1998-11-20 1998-11-20 Appareil pour le transport pas à pas d'une bande

Country Status (5)

Country Link
US (1) US6283352B1 (fr)
EP (1) EP1002596B1 (fr)
JP (1) JP4291925B2 (fr)
DE (1) DE59803358D1 (fr)
SG (1) SG73670A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006039702A1 (de) * 2006-08-17 2008-02-21 GreCon Dimter Holzoptimierung Süd GmbH & Co. KG Vorrichtung zum Aussortieren von Abfallteilen von Werkstücken an Sägen, vorzugsweise an Optimierungskappsägen, und Verfahren unter Verwendung einer solchen Vorrichtung
DE502007001488D1 (de) * 2007-01-08 2009-10-22 Bruderer Ag Vorrichtung zum intermittierenden Zuführen eines band- oder drahtförmigen Halbzeugmaterials zu einer Presse
JP5803040B2 (ja) 2009-10-30 2015-11-04 ヴァムコ・インターナショナル・インコーポレイテッド グリッパ駆動用部材及びリンク装置を有する材料送り装置
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
CN115047141A (zh) * 2022-05-16 2022-09-13 福建省林业勘察设计院 一种湿地生态功能研究用环境检测设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2454514C2 (de) * 1974-11-16 1983-10-27 Erich Grau, Stanzwerk für Elektrobleche, 7126 Sersheim Vorschubvorrichtung zur intermittierenden Materialzufuhr an Stanzen oder Pressen
DE3247001A1 (de) * 1982-12-18 1984-06-20 RWM-Raster-Werkzeugmaschinen GmbH, 7136 Ötisheim Zangenvorschubeinrichtung fuer band- oder drahtmaterial
DE3623647A1 (de) * 1986-07-12 1988-01-14 Schuler Gmbh L Vorrichtung zum schrittweisen vorschieben von bandmaterial mit zwei gegenlaeufig angetriebenen vorschubwalzen
JPS6382271A (ja) * 1986-09-22 1988-04-13 Sankyo Seisakusho:Kk 材料送り装置
JPH0335461Y2 (fr) * 1987-04-20 1991-07-26
US5358164A (en) * 1988-10-26 1994-10-25 Bruderer Ag Drive apparatus for a driving of at least one oscillating shaft and an intermittent feeding apparatus including the drive apparatus
CH679134A5 (fr) * 1989-05-03 1991-12-31 Bruderer Ag
DE4141769A1 (de) * 1991-12-18 1993-06-24 Schuler Gmbh L Vorrichtung zum schrittweisen vorschieben von bandmaterial
JP3651953B2 (ja) * 1995-03-17 2005-05-25 株式会社三共製作所 材料送り装置

Also Published As

Publication number Publication date
US6283352B1 (en) 2001-09-04
JP4291925B2 (ja) 2009-07-08
EP1002596A1 (fr) 2000-05-24
JP2000190039A (ja) 2000-07-11
DE59803358D1 (de) 2002-04-18
SG73670A1 (en) 2000-06-20

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