EP0686562B1 - Machine pour déchirer et/ou ouvrir des sacs - Google Patents

Machine pour déchirer et/ou ouvrir des sacs Download PDF

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Publication number
EP0686562B1
EP0686562B1 EP95107859A EP95107859A EP0686562B1 EP 0686562 B1 EP0686562 B1 EP 0686562B1 EP 95107859 A EP95107859 A EP 95107859A EP 95107859 A EP95107859 A EP 95107859A EP 0686562 B1 EP0686562 B1 EP 0686562B1
Authority
EP
European Patent Office
Prior art keywords
strip
drum
members
drive
elements
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
EP95107859A
Other languages
German (de)
English (en)
Other versions
EP0686562A1 (fr
Inventor
Manfred Bayer
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE4445439A external-priority patent/DE4445439C2/de
Application filed by Individual filed Critical Individual
Publication of EP0686562A1 publication Critical patent/EP0686562A1/fr
Application granted granted Critical
Publication of EP0686562B1 publication Critical patent/EP0686562B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • B65B69/0008—Opening and emptying bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member

Definitions

  • the invention relates to a device for tearing bags according to the The preamble of claim 1.
  • the bags are also called Encoder sack "or
  • the sacks filled with recyclable material are collected by companies and taken to collection and sorting stations.
  • the various materials in the sacks are sorted. To do this, it is first necessary to open the sacks so that they can be emptied.
  • the opening and emptying of the sacks is currently mainly done by hand, in that the sacks are slit open by people in laborious and labor-intensive work.
  • EP-0 563 002 A1 describes a bag ripping device according to the preambles of Claims 1 and 2 become known.
  • This device has above one Conveyor belt arranged tear fingers, which are arranged on side by side, endless revolving conveyor elements are arranged. Adjacent funding elements will be with different but constant speeds evenly
  • the bags are torn open by the tear fingers. However, it has shown that the torn sacks or materials in the sacks can get between the conveyor belts and partially between them get into the interior. These materials clog the device and wrap around the drive rollers of the conveyor belts and cause malfunctions.
  • DE 93 04 406 U1 shows a further device for tearing open of bags with several arranged and drivable side by side Tear-open elements made by first and second needles with counter-holding elements be formed.
  • a conveyor belt for transporting the bags is also provided.
  • the needles designed as tear-open elements are arranged such that they can be moved with respect to one another. However, it has been shown that this type of tear elements and their movement to each other in many cases is not sufficient to safely tear open the sacks and to empty.
  • DE 93 11 832 U1 is finally a device for tearing bags is known which has a filling device designed as a container.
  • a filling device designed as a container.
  • Two endless chain strands are located on the area of the filling device which rip hooks are arranged.
  • the neighboring dummies of the Chain strands are continuously pulled in opposite directions.
  • the outer Housing walls of the filling device form counter-holding elements to the Drawing hook.
  • the invention has for its object a simple and functional reliable tear-open device for plastic bags, in particular, in which garbage and Recyclables are collected to create.
  • the funding elements are therefore quasi step by step stop and go "operation moves forward.
  • the conveyor elements adjacent to the conveyor elements moving forward can come to a brief standstill after and before each phase of movement.
  • the conveyor belts preferably move in steps or at different speeds.
  • the counterhold elements form an inlet gap for the Form sacks, which preferably shrink from top to bottom.
  • the conveyor elements are designed as rings
  • the counter-holding element and the drum-like element are arranged in such a way that there is a filler wedge between the counter-holding elements and the drum-like Elements.
  • the counter-holding elements are in the area of the drum Curve-like in the direction of the drum-like element.
  • the rings are cylindrical strips. This design makes a relative movement in a surprisingly simple manner the rings arranged next to each other, which are covered with tear elements, reached so that there is an effective tear movement.
  • the rings are assembled into a drum-like element.
  • two strip drums are formed from the cylindrical rings, the strips or rings in a respective one corresponding to the strips Are spaced from each other and that the two strip drums to one Drum are joined together, the rings similar to zippers interlock.
  • the rings after each other are each non-positively connected to a common drive element, so that the adjacent rings of the drum are moved relative to one another in a simple manner. It has proven to be advantageous if a so-called stop-and-go drive "of the strips of the two strip drums.
  • Counter-holding elements consist of strips which can be moved relative to one another and which are on Frame of the device are movably attached.
  • a simple design of the drum-like element is achieved in that the drum-like element is composed of two strip-like drums, each with a strip of one drum in the space between two adjacent strips of the other drum is arranged engaging.
  • the conveyor elements are conveyor belts that are arcuate are led.
  • a drive motor is assigned to each strip drum or drive shaft.
  • a simple design of the drive motors results from the fact that these as Hydraulic motors are designed.
  • the two drive motors can be driven such that the first drive motor stands still in the first phase, while the second drive motor rotates the second strip drum about 160 ° that shortly before reaching the rotation of the second strip drum by 180 °, the first drive motor is switched on over a phase of approximately 20 ° and then the second drive motor is switched off, and then the first strip drum rotates by approximately 160 ° and then the second drive motor again by 20 ° This phase change takes place continuously.
  • adjacent conveyor elements be moved forward alternately at different speeds.
  • the device for tearing sacks has a frame 1, which is on the side suitable wall parts 2 is clad.
  • a shaft 3 is arranged on the frame 1.
  • the ripping drum 4, which is designed as a drum-like element, is on this shaft 3 arranged.
  • the tearing drum 4 consists of the two strip drums 5 and 6, wherein the tear elements 9 on the strips 7 and 8 of the strip drums 5 and 6 are arranged.
  • the two strip drums 5 and 6 are rotatable on the shaft 3 stored.
  • Each strip drum 5 and 6 consists of the rotating cylindrical Strips 7 and 8, which are screwed onto a supporting frame 10 or 11.
  • the Support frame 10 of the first strip drum 5 consists of the struts 12 and Carrier rails 12 'running parallel to shaft 3.
  • the struts are by means of the bearings 13 rotatably arranged on the shaft 3.
  • the second strip drum 6 consists of the strips 8 fastened to the supporting structure 14.
  • the supporting structure consists of the struts 15 and the support rails 15 '.
  • the struts 15 are also with bearing 16 on the shaft 3 rotatably mounted.
  • On the outer strut 12 of the first strip drum 5 is a Drive gear 17 attached, which with a drive gear 18 of a first Hydraulic motor 19 is non-positively connected via a drive chain 20.
  • the outer Strut 15 of the second strip drum 6 is non-positively connected to the drive wheel 21 connected, which also via a chain connection 22 with a second hydraulic motor 23 is non-positively connected.
  • the counter-holding elements 24 are arranged on the frame 1, which consist of mutually movable strips 25 exist.
  • the strips 25 are in Embodiment pivotable on the frame 1 by means of a joint arrangement 26 arranged and are by means of hydraulic cylinders 27 or other resilient elements pressed in the direction of the tear drum 4. It is also possible to move these Strip 25 of the counter-holding elements 24 resiliently on the frame 1 by means of a leaf spring to arrange or to manufacture yourself from resilient material. In some cases it is enough also only the counterforce resulting from the weight of the strips.
  • the strips 25 are by means of the hinge arrangement 26 on their in the direction of rotation 30 Strip drum 5 and 6 seen rear end 25 'articulated on the frame 1.
  • the front end 25 '' is designed as a free end.
  • the strips 25 are one Elephant trunk shaped similarly.
  • the tear drum 4 and the counter-holding elements 24 are arranged such that between the tear drum 4 and the counter-holding elements 24 an upward opening funnel 28 results in the bags 29 to be torn open.
  • the strip drums 5 and 6 are about 160 ° to twist to each other. This is due to the design of the support structures 10 and 11 attributed, which are interleaved.
  • the tear-open drum 4 is driven in the direction of the arrow 30. Only one of the strip drums 5 and 6 rotates over the respective rotation phase, while the other strip drum 5 and 6 is stationary.
  • the strip drums 5 and 6 are gradually rotated alternately by approximately 180 °, the first and last phase of the rotating phase overlapping by approximately 20 °.
  • the drive motors 19 and 23 are then driven such that the first drive motor 19 stands still in the first phase, that is to say that the first strip drum 5 does not move either.
  • the second drive motor 23 rotates the second strip drum 6 by 160 °.
  • the first drive motor 19 is switched on over a phase of approximately 20 °, which means that both strip drums 5 and 6 of the ripping drum 4 rotate over a rotary phase of approximately 20 °. This is advantageous because large braking and starting torques are avoided by using the energy when braking one drum 5 or 6 to cause the other drum 6 or 5 to start.
  • the second drive motor 23 is switched off and the first strip drum 5 is rotated by the first drive motor 19 by approximately 160 °, the second drive motor 23 then again is switched on over a rotation phase of approximately 20 °.
  • the first drive motor 19 is then switched off, and the second drive motor 23 drives the second strip drum further by 160 °.
  • This phase change takes place continuously, so that the strip drums 5 and 6 in one stop-and-go operation ".
  • this stop-and-go operation "of the nested strip drums 5 and 6 a relative movement between the tear elements 9 of adjacent strips 7 and 8 of the tear drums 5 and 6 is achieved, so that the bags 29 can be torn open safely and emptied. Furthermore, is avoided that there is wrapping or clogging of the ripping drum 4.
  • the device 31 according to FIGS. 5 and 6 has an elongated conveyor belt 32 and 33 trained conveyor elements.
  • the frame 34 are the two Drive shafts 35 and 36 mounted.
  • the Disks 37, 38, 39, 40 alternately rotatably with the drive shafts 34 and 35 connected and freely rotatable on them.
  • the disks 37 are on the shaft 35 rotatably and the disks 39 are freely rotatable on the shaft 35
  • Disks 38 are rotationally fixed on the shaft 36 and the disks 40 are on the shaft 36 freely rotatable.
  • Around the disks 37, 38, 39, 40 are the conveyor belts 32 and 33 looped.
  • the tear fingers 9 are on the conveyor belts 32 and 33 arranged.
  • One shaft 35 drives the conveyor belts 32 via the disks 37 and the other shaft 36 drives the conveyor belts 33 via the disks 38.
  • Each shaft 35 and 36 is assigned its own drive motor 19 or 23 or its own drive element, so that each shaft 35 and 36 can be driven by itself.
  • the drive of the shafts 35 and 36 and thus the forward movement takes place alternately, so that the conveyor belts 32 and 33 with the tear fingers 9 in stop and go "operation can be moved forward.
  • the tear fingers 9 of adjacent conveying elements 32 and 33 alternately overtake one another.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Advancing Webs (AREA)

Claims (16)

  1. Machine pour déchirer des sacs (29) , comportant d'une part plusieurs éléments transporteurs à circulation sans fin (7, 8, 32, 33) disposés côte à côte, et se déplaçant à des vitesses différentes, ces éléments portant des éléments de déchirement (9) et d'autre part au moins un élément de maintien par apposition (24),
    caractérisée en ce qu'
    il est prévu plusieurs éléments opposés de maintien (24) et ainsi que des moyens permettant de faire avancer les éléments transporteurs voisins (7, 8, 32, 33), en alternance.
  2. Machine selon la revendication 1,
    caractérisée en ce que
    des moyens sont prévus pour faire avancer les éléments transporteurs voisins (7, 8, 32, 33) en alternance, pas à pas.
  3. Machine selon la revendication 1,
    caractérisée en ce que
    des moyens sont prévus pour faire avancer les éléments transporteurs voisins (7, 8, 32, 33) à des vitesses différentes.
  4. Machine selon une des revendications précédentes,
    caractérisée en ce qu'
    il est prévu des éléments de maintien par opposition (24) délimitant une fente d'introduction des sacs.
  5. Machine selon une des revendications précédentes,
    caractérisée en ce que
    les éléments transporteurs (7, 8, 32, 33) et les éléments de maintien par opposition (24) forment dans la zone où ils sont voisins, une fente d'introduction se réduisant de haut en bas.
  6. Machine selon l'une des revendications précédentes,
    caractérisée en ce qu'
    il est prévu des moyens permettant d'entraíner les éléments transporteurs de manière que les phases d'arrêt et de démarrage d'éléments transporteurs voisins (5, 6, 7, 8, 32, 33) se recouvrent au moins pendant un court instant.
  7. Machine selon l'une des revendications précédentes,
    caractérisée en ce que
    les éléments transporteurs (7, 8) sont des anneaux.
  8. Machine selon la revendication 7,
    caractérisée en ce que
    les anneaux ont la forme d'une ellipse ou d'un cylindre.
  9. Machine selon la revendication 8,
    caractérisée en ce que
    deux tambours à bandes (5, 6) sont réalisés à partir d'anneaux cylindriques (7, 8) qui sont espacés entre eux d'un intervalle correspondant à la largeur des bandes, les deux tambours à bandes (5, 6) étant réunis pour former un tambour (4), les bandes (7, 8) étant engagées les unes dans les autres à la manière d'une fermeture à glissière.
  10. Machine selon l'une des revendications 1 à 5, dans laquelle les éléments transporteurs (32, 33) sont des bandes transporteuses,
    caractérisée en ce que
    ces bandes sont guidées de manière à former un arc.
  11. Machine selon l'une des revendications 4 à 10,
    caractérisée en ce que
    les éléments de maintien par opposition (24) sont composés de bandes (25) mobiles les unes par rapport aux autres et montées avec mobilité sur la machine.
  12. Machine selon la revendication 9,
    caractérisée en ce qu'
    à chaque tambour à bandes (5, 6) est associé un élément ou un système d'entraínement (19, 23).
  13. Machine selon la revendication 12,
    caractérisée en ce que
    l'élément et ou le système d'entraínement est un moteur hydraulique (19, 23).
  14. Machine selon l'une des revendication 12 ou 13,
    caractérisée en ce que
    les deux tambours à bandes (5, 6) peuvent tourner, sous l'action d'éléments d'entraínement ayant la forme de moteurs (19, 23), alternativement d'un angle de 90 à 180°, avec léger recouvrement des mouvements de rotation.
  15. Utilisation d'une machine selon la revendication 14,
    caractérisée en ce que
    les deux moteurs d'entraínement (19, 23) peuvent être commander de manière que le premier moteur (19) soit à l'arrêt pendant la première phase, tandis que le second moteur (23) fait tourner le second tambour à bandes (6) d'environ 160° et que, peu avant que la rotation du second tambour (6) atteigne 180°, le premier moteur (19) est mis en route pour une phase de 20° environ tandis que le second moteur (23) est coupé, et qu'ensuite le premier tambour à bandes (5) tourne de 160°, après quoi le second moteur (23) est remis en route.
  16. Utilisation d'une machine selon la revendication 14,
    caractérisée en ce que
    les deux tambours à bandes (5, 6) sont entraínés alternativement par les moteurs (19, 23), dans des rotations de 180° se recouvrant de 10°.
EP95107859A 1994-06-08 1995-05-23 Machine pour déchirer et/ou ouvrir des sacs Expired - Lifetime EP0686562B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4420018 1994-06-08
DE4420018 1994-06-08
DE4445439 1994-12-20
DE4445439A DE4445439C2 (de) 1994-06-08 1994-12-20 Vorrichtung zum Aufreißen von Säcken

Publications (2)

Publication Number Publication Date
EP0686562A1 EP0686562A1 (fr) 1995-12-13
EP0686562B1 true EP0686562B1 (fr) 1998-10-14

Family

ID=25937265

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95107859A Expired - Lifetime EP0686562B1 (fr) 1994-06-08 1995-05-23 Machine pour déchirer et/ou ouvrir des sacs

Country Status (2)

Country Link
EP (1) EP0686562B1 (fr)
AT (1) ATE172163T1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3012202A1 (fr) 2014-10-22 2016-04-27 BRT Recycling Technologie GmbH Dispositif destiné à ouvrir des sacs dans des quantités de déchets et son procédé

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19750574A1 (de) * 1997-11-15 1999-05-20 Manfred Bayer Vorrichtung zum Aufreißen und/oder Öffnen von Säcken
DE19807694A1 (de) * 1998-02-25 1999-08-26 Bayer Vorrichtung zum Aufreißen von Säcken
FR2913404A1 (fr) * 2007-03-09 2008-09-12 Vauche S A Sa Dispositif d'ouverture automatique de sacs
IT1394348B1 (it) * 2009-05-06 2012-06-06 Internat Steel Co S P A Dispositivo per il trattamento di una sacca medicale e relativo procedimento
FR3002467B1 (fr) * 2013-02-22 2016-09-02 Secmil Dispositif mobile de traitement de dechets de produits de consommation alimentaire ou sanitaires

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2818985A (en) * 1951-01-06 1958-01-07 Nat Tea Packing Company Inc Apparatus for reclaiming contents of filled envelope packages
US3834630A (en) * 1971-11-26 1974-09-10 Gunsons Sortex Ltd Recovery of packaged contents
CA2090659C (fr) 1992-03-23 1995-12-12 Rader Canada Company Ouvre-sac a ordures
DE9217165U1 (de) * 1992-12-16 1993-02-18 Dieball GmbH Anlagen- und Maschinenbau, 3200 Hildesheim Vorrichtung zum kontinuierlichen Freilegen des Inhalts sackartiger Gebinde

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3012202A1 (fr) 2014-10-22 2016-04-27 BRT Recycling Technologie GmbH Dispositif destiné à ouvrir des sacs dans des quantités de déchets et son procédé
US9611061B2 (en) 2014-10-22 2017-04-04 Kompoferm Gmbh Device for opening bags in mixtures of wastes and method therefor

Also Published As

Publication number Publication date
ATE172163T1 (de) 1998-10-15
EP0686562A1 (fr) 1995-12-13

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