EP0931643B1 - Presse à balles, en particulier pour déchets de carton, feuilles de papier et similaire - Google Patents

Presse à balles, en particulier pour déchets de carton, feuilles de papier et similaire Download PDF

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Publication number
EP0931643B1
EP0931643B1 EP19990100765 EP99100765A EP0931643B1 EP 0931643 B1 EP0931643 B1 EP 0931643B1 EP 19990100765 EP19990100765 EP 19990100765 EP 99100765 A EP99100765 A EP 99100765A EP 0931643 B1 EP0931643 B1 EP 0931643B1
Authority
EP
European Patent Office
Prior art keywords
feeder
compacting
plunger
channel
hydraulic
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
EP19990100765
Other languages
German (de)
English (en)
Other versions
EP0931643A1 (fr
Inventor
Klaus Dr.-Ing. Martensen
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.)
Welger Maschinenfabrik GmbH
Original Assignee
Welger Maschinenfabrik 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 Welger Maschinenfabrik GmbH filed Critical Welger Maschinenfabrik GmbH
Publication of EP0931643A1 publication Critical patent/EP0931643A1/fr
Application granted granted Critical
Publication of EP0931643B1 publication Critical patent/EP0931643B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3082—Presses specially adapted for particular purposes for baling; Compression boxes therefor with compression means other than rams performing a rectilinear movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3003—Details
    • B30B9/3007—Control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3003—Details
    • B30B9/301—Feed means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3078—Presses specially adapted for particular purposes for baling; Compression boxes therefor with precompression means

Definitions

  • the invention relates to a baler, in particular for cardboard waste, paper, foil and the like.
  • a compression channel in which a plunger is movable back and forth driven and with a drivable feed, which in coordination with the plunger and in response to a sensor promotes material to be pressed through a Preßkanalein colllö réelle in the compression channel.
  • EP-A-0 686 493 discloses a hydraulically driven vibrating piston press for pressing cardboard waste. After a predetermined number of strokes of a hydraulic feeder, the plunger is driven, which compresses the material in the press channel.
  • a feed channel opening into the press channel is first closed when the output is closed, e.g. supplied by a fan air flow, the input side fibers, which build up to appropriate filling height.
  • a light barrier is provided. If the fibers reach this filling level, the light barrier switches on the feeding device, which now pushes an equal amount of weight into the pressing channel with each stroke. If the fiber plug drops down to a second, lower-lying light barrier, it shuts off the feed device and the pressing piston is once again moved back and forth in order to press the material pushed into the pressing channel. After each stroke of the plunger, the feeder is always turned on again when the filling height is increased again by the fiber material supplied to the light barrier.
  • This baler has the great disadvantage that it is not suitable for the processing of cardboard, paper or foil. If, for example, a single large carton moves in front of the upper light barrier, the feed device is set in motion when the supply channel is virtually empty, and the pressure piston also performs a working stroke, although hardly any material is to be compacted. Both feeder and plunger perform unnecessarily many strokes, resulting in uneven bales, low throughput and high wear. In the other case, it can quickly come to overload the feeder, if z. B. precompressed material such. B. newspaper bundle get into the feed.
  • transverse thrust member for the processing of cardboard, paper or foil waste is unsuitable because the material would clog at the transfer point Raffer, transverse thrust member.
  • the transverse thrust member is complicated, because it must temporarily close the Preßkanalömie Finally, an overload protection for the transverse thrust member is missing.
  • the invention has for its object to improve the baler described above so that both bulky cardboard waste and paper waste and thin waste film can be pressed without distortion of the feeder trouble-free bales in the same packing thicknesses with greatly fluctuating Materialzu Foodmenge, with a simple and cost-effective solution to develop is.
  • this object is achieved in that the feeder in its drive a torque or pressure or force-absorbing Lastmeßtreler whose signals are used to automatically control the drive of the feeder in response to presettable load values of the feeder.
  • the load on the feeder can be surprisingly easy to turn on and off the feeder.
  • the load sensor according to the invention is not directly affected by the material to be pressed, the load sensor rather performs the function of a power supply, which not only ensures a homogeneous, adjustable filling density, but brings too high load demand, the feeder in a parking position.
  • Complicated indirect sensing devices are avoided because the feeder now automatically adapts to different types of material and quantities and controls itself in principle.
  • An overload of the feeder is certainly excluded, as this previously switched off load-dependent or reversed, moves to its original position outside of the feed and turns on the plunger. With a small amount of material feed, the feeder automatically performs a higher number of strokes to achieve a uniform feed of the Preßkanales.
  • a structurally particularly simple embodiment is that the feeder and the plunger hydraulic drives with hydraulic valves, which cooperate with an adjustable pressure switch or pressure sensor for the hydraulic pressure in the drive of the feeder.
  • the feeder and the plunger hydraulic drives with hydraulic valves, which cooperate with an adjustable pressure switch or pressure sensor for the hydraulic pressure in the drive of the feeder.
  • the feeding device continuously conveys the material to be pressed with open Preßkanaleinhellö réelle and in retracted “parking position" of the plunger in the compression channel until a predetermined load value is reached, in which the load sensing the hydraulic valves indirectly via a control unit or directly controls so that the feeder temporarily stops there at the next reaching the rest position until the plunger once advanced for final compression of the material located in the pressing channel in its pressing position and then returned to its parking position, so that a new feed cycle begins.
  • the pre-compression and feeding into the compression channel are thus performed only with a single conveyor element, which has a favorable effect on the bale shape that the compression channel is now filled by several strokes of the feeder and not by a single stroke as in known feeders.
  • the supply device can be reversed when a defined maximum load is reached, ie moves back from the respective blocking position in their parking position and remains there until the plunger has eliminated the blockage after a pressing stroke.
  • a stationary Preßraumgeophuse 1 is constructed on support feet 2 and has a compression channel 3 with an arcuate Preßkanalabites 4, in which a swinging about a horizontal axis 5 mounted plunger 6 reciprocates between an upper, drawn in dashed line position 7 and a lower , drawn in full line position 8.
  • the upper wall 9 of the Preßkanalabiteses 4 has a filling opening 10, which is a feed space 11 upstream.
  • the plunger 6 is the filling opening 10 in its lower position 8 completely free.
  • the feed space 11 is formed by a feed table 12, which extends between two side walls 13 and opens at a distance above the lower position 8 of the plunger 6 in the Preßkanalabites 4.
  • a uniformly in the direction of arrow 14 circulating conveyor belt 15 is arranged.
  • the transition from the conveyor belt 15 to the filling opening 10 is effected by a roller 16 and a fixed platform which ends shortly before the movement path of the pressing piston 6 with a fold and forms the lower edge of the filling opening 10.
  • a feed device 17 Above the filling opening 10, a feed device 17 is arranged, the Rafferzinken 18 are shown in solid line rest position 19 or park position almost outside of the feed space 11 and a crank gear 20 during a work cycle on a kidney-shaped orbit 21 through the feed space 11, in the filling opening 10 and are moved through the compression channel 4, while the plunger 6 is in a lower parking position 8 shown in solid lines.
  • Plunger 6 and feeder 17 are shown in an open hydraulic system.
  • the drive of the plunger 6 is effected by a hydraulic pump 22 with reservoir 23 and electric motor drive and two double-acting hydraulic cylinder 24 with the interposition of a 4/3 hydraulic valve 25, which is controlled by a control unit 26, z. B. electromagnetically in response to a located in the pump outlet pressure line 27, adjustable pressure switch 28 is controlled. Alternatively, an adjustable pressure sensor can also be provided.
  • the drive of the feed device 17 is effected by the same hydraulic pump 22 by a hydraulic motor 30 acting on the axis of rotation of the crank 29 with two directions of rotation with the interposition of one of the control unit 26 electromagnetically actuated 4/3 way valve 31 in response to the pressure switch 28 or the pressure sensor.
  • the plunger 6 is in the lower position 8 (parking position), in which the piston rod is extended.
  • the conveyor belt 15 and the Rafferzinken 18 of the feeder 17 move in the direction of the arrows 14, 32 and push the cardboard waste to be pressed through the filling opening 10 in the compression channel 4 via the plunger 6 and against the stalk 3 located in the stalk 3 strand.
  • the resistance of the material to be inserted into the press channel 4 increases to the feed device, whereby the hydraulic pressure in the pressure line 27 to the hydraulic motor 30 increases. If this pressure reaches the switching value set on the pressure switch 28, the pressure switch 28 sends a signal to the control unit 26 or also directly to the 4/3 directional control valve 31.
  • This signal causes on the one hand by appropriate control of the 4/3 way valve 31 in the zero position, the feeder 17 moves to its parking position 19 and stops there and on the other hand, the hydraulic valve 25 is driven so that the plunger 6 performs a Preßhub.
  • the feeder 17 automatically switches on and a new filling cycle begins until, again, the pressure switch 28 or alternatively the pressure sensor gives a signal to stop the feeder 17 and start the plunger 6.
  • the bale is set in a manner known per se.
  • a second, not shown pressure switch with higher set pressure value or an illustrated pressure sensor 34 is provided, the switching pressure is above that of the first pressure switch 28 . If, for example, the first pressure switch 28 fails or if the pressure rises during the remaining stroke to the higher level, the second pressure switch or pressure sensor 34 responds at the increased pressure, whereby the hydraulic valve 31 is actuated so that the direction of rotation of the feed device 17 reverses to the operator by an audible or visual signal. By reversing the feeder 17, the tines 18 are pulled out of the clogging area and temporarily remain in their rest position 19 until the disturbance is eliminated.
  • the load sensor without pressure-controlled feeding exclusively as overload protection.
  • the feeder then works in timing to the plunger with a certain number of strokes / Preßkolbenhub and is turned off in case of overload by the load.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (4)

  1. Presse à balles, en particulier pour des déchets cartonnés, papier, feuilles et similaires, comportant un canal de compression (3, 4), dans lequel un piston de compression (6) peut être entraîné selon un mouvement de va-et-vient, et un dispositif d'alimentation (17) pouvant être entraîné, qui véhicule, en corrélation avec le piston de compression (6) et en fonction d'un capteur, le matériau à comprimer par un orifice d'admission de canal de compression (10) vers le canal de compression (3, 4), caractérisée en ce que le dispositif d'alimentation (17) présente, dans son entraînement (22, 30, 31), une sonde de mesure de charge (28, 34), enregistrant le moment de rotation, la pression, ou la force, dont les signaux servent à commander automatiquement l'entraînement (22, 30, 31) du dispositif d'alimentation (17) en fonction des valeurs de chargement pouvant être prédéfinies du dispositif d'alimentation (17).
  2. Presse à balles selon la revendication 1, caractérisée en ce qu'aussi bien le dispositif d'alimentation (17) que le piston de compression (6) présentent des entraînements hydrauliques (22, 24, 30) avec des soupapes hydrauliques (25, 31), qui coopèrent avec un capteur de pression (34) ou un interrupteur manométrique (28) réglable pour la pression hydraulique dans l'entraînement du dispositif d'alimentation (17).
  3. Presse à balles selon la revendication 2, caractérisée en ce que le dispositif d'alimentation (17) véhicule en continu, directement, le matériau à comprimer dans le canal de compression (3, 4) lorsque l'orifice d'admission du canal de compression (10) est ouvert et dans la position d'immobilisation rétractée (8) du piston de compression (6), jusqu'à ce qu'une valeur de chargement prédéterminée soit atteinte, dans laquelle la sonde de mesure de charge (28) commande les soupapes hydrauliques indirectement par l'intermédiaire d'une unité de commande (26) ou directement, de telle sorte que le dispositif d'alimentation (17) s'arrête temporairement lorsqu'on atteint une nouvelle fois la position de repos (19), jusqu'à ce que le piston de compression (6) ait avancé dans sa position de compression (7) afin d'assurer la compression finale du matériau se trouvant dans le canal de compression (3), puis revienne dans sa position d'immobilisation (8) de manière à pouvoir reprendre un nouveau cycle d'alimentation.
  4. Presse à balles selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le dispositif d'alimentation (17) peut être inversé lorsqu'on atteint un chargement maximal défini, par exemple par un moteur hydraulique (30) ayant deux sens de rotation, à savoir il revient de la position de blocage respective pour se trouver dans sa positon de repos (19), et attend que par exemple le piston de compression (6) ait mis fin au blocage après une course de compression.
EP19990100765 1998-01-26 1999-01-16 Presse à balles, en particulier pour déchets de carton, feuilles de papier et similaire Expired - Lifetime EP0931643B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19802768 1998-01-26
DE1998102768 DE19802768B4 (de) 1998-01-26 1998-01-26 Ballenpresse, insbesondere für Kartonagenabfälle, Papier, Folie und dgl.

Publications (2)

Publication Number Publication Date
EP0931643A1 EP0931643A1 (fr) 1999-07-28
EP0931643B1 true EP0931643B1 (fr) 2007-01-10

Family

ID=7855639

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990100765 Expired - Lifetime EP0931643B1 (fr) 1998-01-26 1999-01-16 Presse à balles, en particulier pour déchets de carton, feuilles de papier et similaire

Country Status (2)

Country Link
EP (1) EP0931643B1 (fr)
DE (2) DE19802768B4 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006018929B4 (de) * 2005-04-25 2016-07-28 Hermann Schwelling Sicherheitsvorrichtung für die Bewegung der Pressplatte einer Ballenpresse
CN113718084A (zh) * 2021-09-07 2021-11-30 中冶赛迪工程技术股份有限公司 一种输送槽内物料高度的限定装置及方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1214138B (de) * 1964-08-29 1966-04-07 Lindemann Maschfab Gmbh Vorrichtung zum Dosieren von faserigem Gut, die einer Ballenpresse vorgeschaltet ist
US4132163A (en) * 1976-04-09 1979-01-02 Hesston Corporation Baler loading method
DE2710412A1 (de) * 1977-03-10 1978-09-14 Claas Maschf Gmbh Geb Halmgut-grossballen-hoechstdruckpresse
DE3919434A1 (de) * 1989-06-14 1990-12-20 Welger Geb Schwingkolbenpresse
DE3941092C1 (en) * 1989-12-13 1990-12-13 Karl Mengele & Soehne Maschinenfabrik Und Eisengiesserei Gmbh & Co, 8870 Guenzburg, De Large cubic baling press for straw - allows packing density to be controlled by adjustment of return speed of pressure piston
US5203261A (en) * 1991-11-05 1993-04-20 Cp Manufacturing, Inc. Can baling machine and method
US5326511A (en) * 1992-08-12 1994-07-05 Pneumafil Corporation Method for forming compressible material into discrete solid blocks
DE9408619U1 (de) * 1994-05-26 1995-06-22 LELY WELGER Maschinenfabrik GmbH, 38304 Wolfenbüttel Schwingkolbenpresse

Also Published As

Publication number Publication date
DE19802768B4 (de) 2005-06-23
DE19802768A1 (de) 1999-07-29
EP0931643A1 (fr) 1999-07-28
DE59914134D1 (de) 2007-02-22

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