EP4299301A1 - Presse à balles avec un rouleau de rotor - Google Patents

Presse à balles avec un rouleau de rotor Download PDF

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Publication number
EP4299301A1
EP4299301A1 EP23180469.1A EP23180469A EP4299301A1 EP 4299301 A1 EP4299301 A1 EP 4299301A1 EP 23180469 A EP23180469 A EP 23180469A EP 4299301 A1 EP4299301 A1 EP 4299301A1
Authority
EP
European Patent Office
Prior art keywords
retainer
press
baler
pressed
rotor
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.)
Pending
Application number
EP23180469.1A
Other languages
German (de)
English (en)
Inventor
Ralf Birkemeyer
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.)
SIB Strautmann Ingenieurbuero GmbH
Original Assignee
SIB Strautmann Ingenieurbuero 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 SIB Strautmann Ingenieurbuero GmbH filed Critical SIB Strautmann Ingenieurbuero GmbH
Publication of EP4299301A1 publication Critical patent/EP4299301A1/fr
Pending 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
    • B30B9/3003—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
    • B30B9/3003—Details
    • B30B9/3035—Means for conditioning the material to be pressed, e.g. paper shredding means

Definitions

  • the invention relates to a baler with a rotor roller according to the preamble of claim 1 as well as a pressed material feed device for a baler according to claim 10 and a retrofit kit for a baler according to claim 11.
  • the baler in a supermarket, a baler is used to compress packaging materials such as cardboard boxes, plastic films or the like as accurately as possible and make them available for disposal.
  • the baler has a press housing that surrounds a press chamber.
  • a press shield is movable in the press housing and is in particular driven hydraulically.
  • a filling opening is formed on the press housing in order, for example, to be able to fill cardboard boxes to be compressed into the press housing.
  • a rotatable rotor roller is arranged at the filling opening. Rotor teeth that point essentially radially outwards are arranged on their outer circumference.
  • the pressed material As soon as a pressed material reaches the area of the rotating rotor teeth, for example in a filling space assigned to the rotor roller, the pressed material is taken along and conveyed into the press housing. If necessary, a movable slide can be provided in the filling space in order to push the material to be pressed in the direction of the rotor roller.
  • Such a baler is from the EP 2 129 515 B1 known.
  • the rotor roller can be assigned a guide surface for guiding the material to be pressed, which in turn also can be slotted so that the rotor teeth engage in these slots. This ensures complete conveyance of the material to be pressed.
  • baler with a rotor roller is from the DE 20 2017 100 780 U1 known. Slots can also be formed in a slide for feeding pressed material and in a conveyor table below the rotor roller, into which the rotor teeth of the rotor roller engage.
  • a pressing device with a rotatable rotor roller equipped with conveyor tines is known. Pressed material to be pressed is fed to the rotor roller to such an extent that it can be captured by it and conveyed into the interior of the collecting container by means of the conveyor tines between a jacket formed by the contour of the conveyor tines and a pressed material guide wall arranged underneath.
  • the rotor roller and the pressed material guide wall thus delimit a filling channel through which the pressed material is conveyed.
  • the pressed material guide wall can be pivoted about a pivot axis on its side facing the filling space. On its other side, the pressed material guide wall is spring-loaded. Any pivoting of the pressed material guide wall thus takes place against a force exerted by the spring. If the pressure force exerted by the rotor roller or the pressed material located between the rotor roller and the pressed material guide wall exceeds the spring force, the pressed material guide wall is pivoted against the spring force and the opening width of the filling channel is thereby increased.
  • Agricultural piston presses are known for producing cuboid bales from agricultural crops such as straw, hay or the like.
  • Such large balers essentially consist of a pickup drum for picking up the crop from the harvested soil, which is followed by a cutting rotor with a downstream conveyor rake.
  • the crop picked up from the ground is fed to a press channel with a reciprocating press piston.
  • a cardan shaft 43 is indicated in the front area of the press channel. It is clear to the person skilled in the art that this cardan shaft is arranged laterally outside the press channel and is intended in a known manner to provide energy for driving the cutting device and the receiving device.
  • the crop fed to the press channel by the receiving device is thus conveyed into the press channel with little resistance.
  • a device for retaining or combining the crop in the area of the press channel entrance i.e. a type of retainer, is not provided.
  • the object of the invention is to eliminate the disadvantages described and to accelerate the loading of a bale press with pressed material.
  • An appropriately designed baler should be specified for this purpose.
  • baler with the features of patent claim 1.
  • An existing baler can be retrofitted with a pressed material feed device according to patent claim 10 or a retrofit kit according to patent claim 11.
  • a baler includes a press housing, preferably made of metal, which forms a press chamber.
  • a press shield can be moved, in particular hydraulically, in order to compress material to be pressed in the press chamber.
  • a filling opening is formed on the press housing in order to be able to fill the pressed material, such as cardboard boxes or plastic films, into the press housing or the actual pressing chamber as accurately as possible.
  • a rotatable rotor roller is arranged at the filling opening.
  • rotor teeth are formed or arranged distributed around its circumference and its longitudinal extent. The rotor teeth can, for example, point essentially radially outwards. With the rotating rotor teeth, the material to be pressed is conveyed from the area of the filling opening to the interior of the press housing, with the rotor teeth, for example, clinging to the cardboard boxes to be filled in in order to promote this.
  • the rotor roller is additionally assigned a retainer on the side of the filling opening facing away from the press chamber.
  • the retainer together with the rotor roller, defines a filling channel through which the material to be pressed is first conveyed towards the filling opening and then into the pressing chamber.
  • the filling channel formed between the rotor roller and the retainer preferably tapers towards the press chamber.
  • the material to be pressed undergoes pre-compression as it passes through the filling channel and a larger amount of material to be pressed can be conveyed into the pressing chamber before it is so full that the press shield has to be actuated.
  • This effect is particularly positive when little material or thin material to be pressed is to be conveyed into the press chamber using the rotor roller. In such a case, additional pressure is exerted on the material to be pressed via the retainer. This improves the filling of the chamber and results in an even filling that extends to the corners of the pressing chamber and to the chamber door. As a result, the bales produced in this way are heavier and at the same time more dimensionally stable compared to bales produced with a baler without a retainer.
  • the retainer reduces the available filling opening. This means that there is less area available through which the material to be pressed can pass through the filling opening or this is reduced in size overall. This ensures that large amounts of material cannot be filled in at once, which could, for example, lead to a blockage in the filling opening or on the rotor roller.
  • the baler can be equipped, among other things, with a press shaft door in order to be able to remove a compressed bale from the baling chamber, as well as with an ejection device for the compressed bale and/or with a strapping device in order to wrap the compressed bale with wires, Strapping tapes or the like, in particular automatically.
  • an appropriately designed control system can also be provided for all functions of the baler.
  • the advantage of the invention is that the additional retainer initially reduces the filling opening, but when filling manually or automatically from a filling space with a movable slide, the material to be pressed is fed to the rotating rotor roller in an orderly manner and the filling is thus accelerated. Overall, faster and more effective filling of the press chamber is achieved.
  • the retainer can comprise webs which are preferably arranged between the spaced rotor teeth over a longitudinal extent of the rotor roller.
  • the webs thus interact with the rotor teeth and support the conveying of the pressed material. They also make it easier to remove a blockage when clearing a blockage or reversing the rotor roller, since when the rotor roller is rotating backwards, the rotor teeth engage in the free spaces and press any trapped material into the filling channel, which expands conically during reversal operation.
  • the retainer or its webs can preferably be made of metal in order to have sufficient wear resistance.
  • the retainer can also be designed as a component that is essentially continuous over a longitudinal extent of the rotor roller, for example in the form of a flap, preferably as a flat metal sheet.
  • the retainer and/or its webs are movable relative to the filling opening or the rotor roller, in particular pivotally movable about an axis of rotation.
  • This allows the height provided as a passage for the filling channel to be varied.
  • the pressed material can preferably press down the retainer or push it away from the filling opening in order to enlarge it in this way.
  • a filling channel between the rotor roller and a guide surface is available in its full cross section in order to convey pressed material into the interior of the press housing through the rotor roller.
  • the retainer is designed as a continuous flap, this can also be designed to be pivotable and equipped with the spring force of one or more springs.
  • the retainer and/or its webs can comprise at least one spring which applies a spring force to the retainer and/or the webs.
  • the retainer and/or the webs are held in a position in which the webs are arranged between the rotor teeth, viewed in the radial direction of the rotor roller.
  • This means that the retainer or its webs are held individually or jointly by means of a spring force in a position in which they protrude into the filling channel or into an area between the rotor roller and a guide surface. If pressed material is filled in, it can, for example, press down individual webs.
  • the movable webs and a guide surface on the filling channel are preferably designed in such a way that a substantially flush or smooth, continuous guide surface results when the webs are depressed. This means that no material to be pressed can get stuck, for example, between the movable webs and sections of the guide surface.
  • the spring force exerted by the spring is adjustable, preferably individually for each web.
  • different pressed material can be used for each Optimal conveying requires a harder or softer spring setting in order to be able to fill the largest possible amount of material into the baler as quickly as possible.
  • teeth, profiles, barbs or the like can be formed on the webs or the retainer. These effectively prevent the material to be pressed from moving into the press housing against the conveying direction and thus, for example, causing a blockage in the filling channel.
  • corresponding barbs or the like can also be formed on the rotor teeth in order to hook into the pressed material to be conveyed through the rotational movement of the rotor teeth on the outer circumference of the rotor roller and to convey this through the filling channel.
  • the retainer as a whole can be displaced, in particular manually, out of the filling opening or a filling channel.
  • This can be achieved, for example, using appropriate mechanics.
  • slots are formed, which are penetrated by the retainer or its webs.
  • the retainer can be completely displaced away from the rotor roller and out of the slots. This can be done manually, for example, using a lever.
  • the retainer and in particular its individual webs, are designed to be interchangeable. This makes it easier to replace individual webs that are damaged by foreign bodies or wear contained in the material to be pressed.
  • the webs can be screwed and/or locked to a holder in order to enable exchange.
  • a pressure or force sensor is preferably assigned to a movable retainer or its webs.
  • the sensor can be used to measure the force or pressure with which, for example, an individual spring-loaded web is acted upon by the conveyed material to be pressed. If, for example, a permissible maximum value is exceeded, a control system can automatically stop the rotation of the rotor roller in order to avoid damage to the baler. That can also be the case Sensor signal can be used to individually adjust a spring force via the control depending on the material to be pressed.
  • a known baling press is equipped with an assembly which is referred to as a pressed material feed device.
  • This comprises a rotatably drivable rotor roller with rotor teeth arranged distributed on its circumference and along its longitudinal extent, which preferably point essentially radially outwards.
  • the rotor roller is arranged at a filling opening of the baler. Pressed material is filled into the interior of a press housing through the filling opening in order to be compressed by a press shield that can be moved in the press housing.
  • the rotor roller is assigned a retainer at the filling opening or at a filling channel between the rotor roller and an associated guide surface.
  • the retainer, or its webs, are arranged between the rotor teeth over a longitudinal extent of the rotor roller. The retainer ensures that baled material is fed into the baler in an orderly manner.
  • the retrofit kit includes a pressed material feed device described above. This can, for example, be placed on the baler like an attachment in order to arrange the rotor roller with the retainer in the area of the filling opening of the baler.
  • Fig. 1 shows a baler 100 purely schematically in a side view.
  • the baler 100 includes a press housing 11, which is preferably made of metal and forms a press chamber 10.
  • a press shield 12 can be moved, in particular hydraulically.
  • the baler shown is a vertical baler.
  • the baler can also be a horizontal baler with a horizontally movable press plate 12.
  • a pressed material 14 such as cardboard boxes, foils or the like, which are produced in a supermarket, for example, is preferably pressed according to type in the press chamber 10.
  • a strapping device can be provided in order to strap the pressed material 14 with wires, bands or the like.
  • a press chamber door can be provided to remove a pressed bale from the press chamber 10, as well as an ejection device for the bale.
  • the material to be pressed 14 is filled into the press housing 11 through a filling opening 13 when the press shield 12 is moved upwards.
  • the filling opening 13 is assigned a rotor roller 15, which can be driven rotatably in a direction of rotation D.
  • rotor teeth 16 pointing radially outwards are arranged distributed over the longitudinal extent of the rotor roller 15. Serrations, projections or the like can also be formed on the rotor teeth 16 in order to get caught in the pressed material 14 and to reliably convey it into the baler 100.
  • a filling space 19 can be provided on the baler 100 in the area in front of the filling opening 13, in which a Slider 20 executes a pendulum movement P in order to convey the pressed material 14 in the direction of the filling opening 13 or the rotor roller 15.
  • the rotor roller 15 is arranged here outside the press housing 11, i.e. in front of the filling opening 13.
  • the rotor roller 15 can also be arranged such that its axis of rotation 30 lies essentially in a surface of the filling opening 13 in the press housing 11 in order to minimize the size.
  • a retainer 17 is assigned to the rotor roller 15.
  • the rotor roller 15 and the retainer 17 together form a pressed material feed device 200, the function of which is described below.
  • the Fig. 2 to 4 show a section A Fig. 1 .
  • the rotor roller 15 can be driven in a rotary manner, as illustrated by the double arrow D. In one direction of rotation, pressed material 14 is conveyed towards the filling opening 13 and in the opposite direction, for example, clogged pressed material 14 can be loosened.
  • the rotor roller 15 with the rotor teeth 16 is assigned the retainer 17, which is in the 5 and 6 is described in more detail.
  • the retainer 17 is acted upon by the spring force F of a spring 21 and can move in the direction of movement B, as illustrated by the double arrow B.
  • the retainer 17 can be pressed into a raised position P1 by the spring 21 as in Fig. 2 can be seen or it is pressed into a slightly depressed position P2 by the pressed material 14 conveyed by the rotor roller 15 as in Fig. 3 visible. At maximum throughput of pressed material, the retainer 17 is completely pressed down into a position P3 (cf. Fig. 4 ).
  • the retainer 17 in the illustrated embodiment is rotatably mounted about an axis of rotation 26 and acted upon by the force F of the spring 21 by means of a corresponding lever mechanism.
  • slots are formed in a guide surface 24, which forms a filling channel 23 for the material to be pressed 14 between itself and the rotor roller 15, through which the retainer 17 or its webs 22 pass. If the retainer 17 is fully depressed in position P1, it is preferably flush with the surrounding guide surface 24 to form a smooth surface.
  • rotor roller 15 with its rotor teeth 16 is shown in cross section. It can be seen that the rotor teeth 16 do not necessarily have to be arranged uniformly over the longitudinal extent of the rotor roller 15, but, as here, can also be arranged offset from one another around the circumference of the rotor roller 15.
  • the retainer 17 is shown in three different positions, namely once seen in the direction of movement B in a lowered position P3, which is shown with solid lines, in a middle position P2 and a raised position P1, which are each indicated by dash-dotted lines.
  • a height 25 of the filling channel 23 on the side facing the press chamber 10 changes.
  • the height 25 is understood to mean the distance that an outer end point 27 of the retainer 17 has to an outer orbit 28 of the rotor teeth 16.
  • the orbit 28 has a radius 29 starting from an axis of rotation 30 of the rotor roller 15.
  • the height 25 of the filling channel 23 has a negative value H1, since the outer end points 27, which are formed by the ends of the webs 18, are located within the orbit 28 (cf. Fig. 5 ).
  • the retainer 17 comprises a spring 21, which transmits a spring force F to the retainer 17 via a correspondingly designed lever mechanism.
  • a pressed material 14 that passes through the rotor roller 15 or its rotor teeth 16, through the filling channel 24 to the filling opening 13 in the press housing 10 is conveyed, presses the retainer 17 down from position P1 and releases it again as soon as the material to be pressed has passed the retainer 17.
  • the filling channel 23 is formed between a guide surface 24 and the rotor roller 15. In the lowest or lowered position P3, the retainer 17 or its webs 22 are preferably flush with the guide surface 24 in order to form a smooth filling channel 23.
  • Fig. 6 the rotor roller 15 with its rotor teeth 16 is shown in a side view.
  • the rotor teeth 16 are arranged at a distance from one another, preferably equidistantly, as seen over the longitudinal extent of the rotor roller 15.
  • the retainer 17 has a plurality of webs 22, which are also arranged at a distance from one another, preferably equidistantly, as seen over the longitudinal extent of the retainer 17.
  • the webs 22 are distributed in such a way that they are each arranged between the rotor teeth 16. In the raised position of the retainer 17 or the webs 22, the webs 22 and the rotor teeth 16 overlap.
  • the webs 16 engage between the rotor teeth 16 in the existing empty space or mesh with them.
  • the retainer 17 can be subjected to a total spring force F.
  • each web 22 can be subjected to a spring force F individually or to several webs 22 in groups. This results in individual mobility of the webs 22 or the web groups, so that, for example, a pressed material 14, which here passes the rotor roller 15 in a left area, only presses down the webs 22 on the left side and the webs 22 on the right side of the retainer 17, however, remain in their raised position.
  • the spring force F of the one or more springs 21 is preferably individually adjustable, for example to enable adaptation to different pressed goods 14.
  • baler 100 all components of the baler 100 and in particular the rotor teeth 16, the webs 22 and the springs 21 can be interchangeable in order to be able to replace them, for example if they are worn out.
  • a baler 100 is either already equipped with a corresponding rotor roller 15 with an associated retainer 17 at a filling opening 13 of the press housing 10 or these components can be designed as a retrofit kit in order to be arranged at the filling opening 13 of an already existing baler 100.
  • the combination of the rotor roller 15 and the retainer 17 at the filling opening 13 of a baler 100 is also referred to as a pressed material feed device 200.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
EP23180469.1A 2022-06-29 2023-06-20 Presse à balles avec un rouleau de rotor Pending EP4299301A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102022116176.5A DE102022116176A1 (de) 2022-06-29 2022-06-29 Ballenpresse mit einer Rotorwalze

Publications (1)

Publication Number Publication Date
EP4299301A1 true EP4299301A1 (fr) 2024-01-03

Family

ID=86904391

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23180469.1A Pending EP4299301A1 (fr) 2022-06-29 2023-06-20 Presse à balles avec un rouleau de rotor

Country Status (2)

Country Link
EP (1) EP4299301A1 (fr)
DE (1) DE102022116176A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005046552A1 (de) 2005-09-28 2007-04-12 Usines Claas France S.A.S., St. Rémy-Woippy Landwirtschaftliche Kolbenpresse
DE102007036293A1 (de) 2007-07-31 2009-02-05 Usines Claas France S.A.S., St. Rémy-Woippy Landwirtschaftliche Ballenpresse
DE102010039297A1 (de) 2010-08-13 2012-02-16 Sib Strautmann Ingenieurbüro Gmbh Presseinrichtung eines Sammelbehälters
EP2507046B1 (fr) * 2009-11-30 2013-11-27 SIB Strautmann Ingenieurbüro GmbH Presse dotée d'au moins un chariot collecteur pouvant être couplé et désaccouplé
EP2129515B1 (fr) 2007-03-19 2014-12-31 SIB Strautmann Ingenieurbüro GmbH Presse comprenant un dispositif d'alimentation
EP2012926B1 (fr) 2006-04-21 2017-06-07 Hermann Scharfen Unite de compactage de corps creux
DE202017100780U1 (de) 2017-02-14 2018-05-15 Sib Strautmann Ingenieurbüro Gmbh Pressgutzufördereinrichtung für eine Presse

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005046552A1 (de) 2005-09-28 2007-04-12 Usines Claas France S.A.S., St. Rémy-Woippy Landwirtschaftliche Kolbenpresse
EP2012926B1 (fr) 2006-04-21 2017-06-07 Hermann Scharfen Unite de compactage de corps creux
EP2129515B1 (fr) 2007-03-19 2014-12-31 SIB Strautmann Ingenieurbüro GmbH Presse comprenant un dispositif d'alimentation
DE102007036293A1 (de) 2007-07-31 2009-02-05 Usines Claas France S.A.S., St. Rémy-Woippy Landwirtschaftliche Ballenpresse
EP2507046B1 (fr) * 2009-11-30 2013-11-27 SIB Strautmann Ingenieurbüro GmbH Presse dotée d'au moins un chariot collecteur pouvant être couplé et désaccouplé
DE102010039297A1 (de) 2010-08-13 2012-02-16 Sib Strautmann Ingenieurbüro Gmbh Presseinrichtung eines Sammelbehälters
DE202017100780U1 (de) 2017-02-14 2018-05-15 Sib Strautmann Ingenieurbüro Gmbh Pressgutzufördereinrichtung für eine Presse

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Publication number Publication date
DE102022116176A1 (de) 2024-01-04

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