EP2848397B1 - Baling press - Google Patents

Baling press Download PDF

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Publication number
EP2848397B1
EP2848397B1 EP13184233.8A EP13184233A EP2848397B1 EP 2848397 B1 EP2848397 B1 EP 2848397B1 EP 13184233 A EP13184233 A EP 13184233A EP 2848397 B1 EP2848397 B1 EP 2848397B1
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EP
European Patent Office
Prior art keywords
pressure
piston
pressure cylinder
cylinders
space
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.)
Not-in-force
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EP13184233.8A
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German (de)
French (fr)
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EP2848397A1 (en
Inventor
Achim Schautzgy
Marco Olk
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.)
Maschinenfabrik Bermatingen GmbH and Co KG
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Maschinenfabrik Bermatingen GmbH and Co KG
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Publication date
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Priority to EP13184233.8A priority Critical patent/EP2848397B1/en
Priority to PL13184233T priority patent/PL2848397T3/en
Publication of EP2848397A1 publication Critical patent/EP2848397A1/en
Application granted granted Critical
Publication of EP2848397B1 publication Critical patent/EP2848397B1/en
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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
    • B30B9/3057—Fluid-driven presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
    • B30B1/34—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure involving a plurality of plungers acting on the platen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
    • B30B1/36—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure having telescoping plungers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1457—Piston rods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/149—Fluid interconnections, e.g. fluid connectors, passages

Definitions

  • the invention relates to a baler according to the preambles of claims 1 and 8.
  • Such a baling press which initially consists of a first pair of pressure cylinders, which are installed between a frame of the baler and a mounted in the baler carriage. Between the carriage and a retractable into the press chamber a second pair of pressure cylinders is arranged so that the axial extent of the baler can be limited to a minimum and the stroke optimally designed by the ram due to the two pairs of pressure cylinders connected in series is because the stroke movement of the ram is increased by the two pairs of pressure cylinders compared with only a pair of pressure cylinders.
  • the printing cylinders each consist of a telescopically extendable piston, which is attached to the carriage or the press ram and are separated by the two pressure chambers in the printing cylinder.
  • balers have been proven for the pressing of cargo, such as cardboard, grass or the like.
  • those for the operation of Pistons of the pressure cylinder necessary media through pipes in the respective pressure chambers of the pressure cylinder to promote reciprocation of the piston.
  • These pipes are usually configured flexurally elastic and arranged meandering along the respective pressure cylinders, so that when extending the respective pistons, the pipelines travel along the strokes of the pistons.
  • From the DE 2115353 is a hydraulic device for lifting and lowering against loads known. Two pressure cylinders connected in series are connected to each other by means of an integrated piping system.
  • Such flexurally elastic lines have multiple disadvantages, because on the one hand, the stroke, the pressure cylinders can cover the necessary lines, limited because the lines can only have a certain predetermined length and on the other hand, the cross sections of the lines used are not sized so large be that a significant volume flow of a medium can be promoted through the lines, because the larger the cross-sections of the lines are sized, the more rigid they are.
  • the pressure from the cylinders Provided compressive force acting on the baler of the baler, in comparison with the known balers is at least the same size, that the stroke, put back the pistons of the printing cylinder is identical to the stroke of the known balers and that at the same time the required space
  • the baler can be kept constant in comparison with known balers.
  • a second conduit system is provided, that the conduit systems are separated from each other and are each connected to the drive means, that the respective conduit system is integrated in the respective pressure cylinder and that the connection between the pressure cylinders takes place through the lines which are fixedly connected to the respective pressure cylinders, no relative displacement or movement arises between the lines and the movements of the pressure cylinders.
  • FIG. 1 a is a baler 1 shown, which has a press ram 2, which is deliverable in the direction of a press room, not shown.
  • a press ram 2 By the ram 2 isolated individual cargo, such as cardboard, grass or the like to be compressed to a compact bale to require a small footprint in their disposal or storage.
  • the ram 2 is delivered by two pairs I and II of a total of four printing cylinders 3, 4, 5 and 6.
  • the first pair I of the impression cylinders 3 and 4 are aligned parallel to one another and arranged between a frame 10 of the baler 1 and a carriage 11 movably mounted in the baling press 1.
  • Each of the printing cylinder 3, 4, 5 and 6 consists of a telescopically extendable piston 9, the direction of movement is indicated by the reference numeral 22.
  • the pistons 9 of the respective impression cylinders 3, 4, 5 and 6 are thus moved back and forth in synchronism with one another so that, on the one hand, the carriage 11 and, on the other hand, the ram 2 are moved back and forth in the feed direction 22.
  • a medium 15 is provided, for example air, hydraulic or a gas mixture which is mounted in a container 23.
  • a medium 15 is provided, for example air, hydraulic or a gas mixture which is mounted in a container 23.
  • the pump 14 is driven by means of a motor 13.
  • These drive means are identified by the reference numeral 12; for the expert it is of course, to replace the presented drive means 12 by other mechanical or electrical drive means to convey the medium 15 through the conduits 16.
  • the medium 15 is thus pressed out of the container 23 through the lines 16 in the press ram 2 opposite pressure chambers 7 of the respective impression cylinder 3, 4, 5 and 6, so that thereby, as will be explained in detail below, the piston 9 is pressed in the direction of the pressing space.
  • the lines 16, which open into the pressure chamber 7 of the respective pressure cylinder 3, 4, 5 and 6, form a first delivery circuit A.
  • a second return circuit B which opens into the pressure chambers 8 of the respective pressure cylinders 3, 4, 5 and 6.
  • the inlet openings in the pressure chambers 7 of the respective pressure cylinder 3, 4, 5 and 6 are marked with the letter A and a natural number, in such a way that the number used represents the order of the delivery cycle A. This therefore means that the medium 15 is first pressed by the pump 13 into the inlet opening A1 of the first pressure cylinder 3 of the first pair I.
  • the piston 9 is designed as a tube.
  • the outwardly projecting free end of the piston 9 is closed, so that the medium 15 flows through the inlet opening A1 and moves the piston 9 in the direction of the ram 2.
  • an outlet opening A2 located in the region of the free end of the piston 9, which is connected via one of the lines 16 to the inlet opening A3 of the second pressure cylinder 4 of the first pair I.
  • the medium 15 flows into the pressure chamber 7 of the second pressure cylinder 4 a.
  • the piston 9 used there has, in the region of the pressure chamber 7, a plate 17, through which the inner tube piece of the piston 9 is closed in the direction of the pressure chamber 7.
  • FIG. 1 a is also apparent that the first pressure cylinder 3 of the first pair I is connected via a further line 16 with inlet openings A3 and A4 of the pressure cylinder 5 and 6 of the second pair II, so that all of the four provided pressure cylinder 3, by the inflowing medium 15, 4, 5 and 6 are filled and is moved synchronously by the resulting pressure in the space 7 overpressure of the piston 9 from the impression cylinder 3, 4, 5 and 6.
  • the return circuit B is provided.
  • FIG. 2a shows that between the outer circumference of the piston 9 and the inner wall of the printing cylinder 3, an annular air gap is present, which is used as a pressure chamber 8.
  • the medium 15 is first filled into an opening into the pressure chamber 8 inlet opening B1, so that the piston 9 is moved in the direction of the pressure chamber 7.
  • FIG. 2b It is shown that the printing cylinder 4 constructed essentially identically can be filled with the medium 15 through an inlet opening B2. Moreover, the piston 9 in the region of the plate 17 has a plurality of bores 19, through which the medium 15 flows into the interior of the piston 9 and flows out of an area opposite the plate 17 through an outlet opening B3.
  • the outlet port B3 is connected to the inlet ports B4 and B5 of the pressure cylinders 5 and 6 of the second pair II by two lines 16, so that the pistons 9 of the pressure cylinders 5 and 6 are moved back simultaneously with the piston 9 of the pressure cylinders 3 and 4.
  • the lines 16 are firmly connected to the respective pressure cylinders 3, 4, 5 and 6, so that between the lines 16 the pressure cylinders, 3, 4, 5 and 6, no relative movement takes place.
  • the blocking or opening of the lines 16 for the delivery circuit A and the return hollow circuit B are switched by means of control valves 24.
  • the return circuit B for the passage of the medium 15 is closed in the pressure chambers 8; however, the medium 15 present in the pressure chambers 8 can flow back out of these via the lines 16 into the container 23 and through the control valves 24 opened in this direction.
  • the delivery circuit A is closed by means of the control valves 24 and the medium 15 is pressed into the return circuit B by means of the pump 13.
  • the present in the pressure chambers 7 medium 15 passes through the control valves 24 in the container 23. Consequently, an uncomplicated and fast operation of the baler 1 is reached.
  • the space of the baler 1 and their available stroke are not affected by the constructive measures to promote the medium 15.
  • the impression cylinder 3 is according to FIG. 3 constructed so that the inlet opening A1 opens into the pressure chamber 7, however, the piston 9 is configured zwewandig, so that the filled medium 15 first flows from the pressure chamber 7 through the interior of the piston 9 in the direction of the free outwardly projecting end and from a in the piston 9 incorporated outlet opening A2 flows out.
  • the outlet port A2 is connected to the inlet port A3 of the second pressure cylinder 5 via one of the conduits 16.
  • an inlet opening B1 is first provided in the first pressure cylinder 3, which opens into an annular gap extending between the inner wall of the pressure cylinder 3 and the outer wall of the piston 9 and accordingly Pressure chamber 8 forms.
  • the pressure chamber 8 is separated from the pressure chamber 7 by means of one of the seals 18.
  • a through hole 21 is incorporated, which opens into a passageway 20 which extends between the outer and the inner wall of the piston 9.
  • an outlet opening B2 is present, which is connected to one of the lines 16 with the inlet opening B3 of the second pressure cylinder 5.
  • both two pressure cylinders 3 and 5 arranged one behind the other as well as the conveying of the medium 15 can be accomplished by two pairs I, II of four pressure cylinders 3, 4, 5 and 6.
  • Each of the impression cylinders 3, 4, 5 and 6 explained FIGS. 1a to 3 can have any length and cross-sectional shape.
  • the geometric relationships of the printing cylinders 3, 4, 5 and 6 depend essentially on the pressure forces that are necessary to compress the filled in the press room cargo.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Description

Die Erfindung bezieht sich auf eine Ballenpresse nach den Oberbegriffen der Patentansprüche 1 und 8.The invention relates to a baler according to the preambles of claims 1 and 8.

Aus der DE 10 2009 053 134.3 A1 ist eine solche Ballenpresse zu entnehmen, die zunächst aus einem ersten Paar von Druckzylindern besteht, die zwischen einem Rahmengestell der Ballenpresse und einem in der Ballenpresse verfahrbar gelagerten Wagen eingebaut sind. Zwischen dem Wagen und einem in den Pressraum einfahrbaren Pressstempel ist ein zweites Paar von Druckzylindern angeordnet, so dass die axiale Ausdehnung der Ballenpresse auf ein Minimum begrenzt werden kann und der Hubweg, den der Pressstempel aufgrund der hintereinander geschalteten beiden Paare von Druckzylindern zurücklegt, optimal ausgelegt ist, da die Hubbewegung des Pressstempels durch die beiden Paare der Druckzylinder im Vergleich mit lediglich einem Paar von Druckzylindern vergrößert ist. Die Druckzylinder bestehen aus jeweils einem teleskopartig ausfahrbaren Kolben, der an den Wagen bzw. den Pressstempel angebracht ist und durch den zwei Druckräume in dem Druckzylinder getrennt sind.From the DE 10 2009 053 134.3 A1 Such a baling press can be seen, which initially consists of a first pair of pressure cylinders, which are installed between a frame of the baler and a mounted in the baler carriage. Between the carriage and a retractable into the press chamber a second pair of pressure cylinders is arranged so that the axial extent of the baler can be limited to a minimum and the stroke optimally designed by the ram due to the two pairs of pressure cylinders connected in series is because the stroke movement of the ram is increased by the two pairs of pressure cylinders compared with only a pair of pressure cylinders. The printing cylinders each consist of a telescopically extendable piston, which is attached to the carriage or the press ram and are separated by the two pressure chambers in the printing cylinder.

Durch die US 3 384 007 ist eine Ballenpresse gemäss dem Oberbegriff der Ansprüche 1 und 8 offenbart, die aus in Reihe geschalteten Druckkolben gebildet ist.By the US 3,384,007 is a baler according to the preamble of claims 1 and 8 discloses, which is formed from series-connected pressure piston.

Solche Ballenpressen haben sich zur Verpressung von Stückgut, beispielsweise Kartonage, Gras oder dgl., in der Praxis bewährt. Allerdings sind die zur Betätigung der Kolben der Druckzylinder notwendigen Medien durch Rohrleitungen in die jeweiligen Druckräume der Druckzylinder zur Hin- und Herbewegung der Kolben zu fördern. Diese Rohrleitungen sind üblicherweise biegeelastisch ausgestaltet und mäanderförmig entlang den jeweiligen Druckzylindern angeordnet, so dass beim Ausfahren der jeweilige Kolben die Rohrleitungen die Hubbewegungen der Kolben mitfahren. Aus der DE 2115353 ist eine hydraulische Vorrichtung zum Heben und Senken vor Lasten bekannt. Zwei in Reihe geschaltete Druckzylinder sind mittels eines integrierten Leitungssystems miteinander verbunden.Such balers have been proven for the pressing of cargo, such as cardboard, grass or the like., In practice. However, those for the operation of Pistons of the pressure cylinder necessary media through pipes in the respective pressure chambers of the pressure cylinder to promote reciprocation of the piston. These pipes are usually configured flexurally elastic and arranged meandering along the respective pressure cylinders, so that when extending the respective pistons, the pipelines travel along the strokes of the pistons. From the DE 2115353 is a hydraulic device for lifting and lowering against loads known. Two pressure cylinders connected in series are connected to each other by means of an integrated piping system.

Solche biegeelastischen Leitungen weisen mehrfache Nachteile auf, denn zum einen ist der Hubweg, den die Druckzylinder zurücklegen können durch die notwendigen Leitungen, begrenzt, da die Leitungen lediglich eine gewisse vorgegebene Länge aufweisen können und zum anderen können die Querschnitte der verwendeten Leitungen nicht derart groß bemessen werden, dass ein erheblicher Volumenstrom eines Mediums durch die Leitungen gefördert werden kann, denn je größer die Querschnitte der Leitungen bemessen sind, desto starrer werden diese.Such flexurally elastic lines have multiple disadvantages, because on the one hand, the stroke, the pressure cylinders can cover the necessary lines, limited because the lines can only have a certain predetermined length and on the other hand, the cross sections of the lines used are not sized so large be that a significant volume flow of a medium can be promoted through the lines, because the larger the cross-sections of the lines are sized, the more rigid they are.

Darüber hinaus hat sich gezeigt, dass zwischen der Schnittstelle der Anschlüsse der Leitungen an den jeweiligen Druckzylindern erhebliche Biegemomente oder Scherkräfte auftreten, da die Leitungen in diesem Bereich während der Hubbewegung des Kolbens mit entsprechenden Kräften und Biegemomenten belastet sind, so dass diese Anschlüsse oder die Leitungen im Bereich der Anschlüsse brechen und somit undicht sind.In addition, it has been found that significant bending moments or shear forces occur between the interface of the terminals of the lines to the respective printing cylinders, since the lines are loaded in this area during the lifting movement of the piston with corresponding forces and bending moments, so that these connections or lines break in the area of the connections and are therefore leaking.

Es ist daher Aufgabe der Erfindung, eine Ballenpresse der eingangs genannten Gattung derart weiterzubilden, dass zwischen den Druckzylindern bzw. deren Kolben und den zur Förderung des Mediums erforderlichen Leitungen keine Relativbewegung stattfindet und dass die Leitungen einen beliebig groß bemessenen Querschnitt aufweisen können, um ein ausreichendes Volumen für die Zustell- und Rückholbewegungen der Kolben ohne erhebliche Reibungsverluste eingepresst werden können. Darüber hinaus soll gewährleistet sein, dass die von den Druckzylindern zur Verfügung gestellte Druckkraft, die auf den Pressstempel der Ballenpresse einwirkt, im Vergleich mit den bekannten Ballenpressen mindestens gleich groß bemessen ist, dass der Hubweg, den die Kolben der Druckzylinder zurück legen, identisch ist mit dem Hubweg der bekannten Ballenpressen und dass gleichzeitig der benötigte Bauraum der Ballenpresse im Vergleich mit bekannten Ballenpressen konstant gehalten werden kann.It is therefore an object of the invention to develop a baler of the type mentioned in such a way that between the printing cylinders and their pistons and the necessary to promote the medium lines no relative movement takes place and that the lines may have a size of any size sized to a sufficient Volume for the delivery and return movements of the piston can be pressed without significant friction losses. In addition, it should be ensured that the pressure from the cylinders Provided compressive force acting on the baler of the baler, in comparison with the known balers is at least the same size, that the stroke, put back the pistons of the printing cylinder is identical to the stroke of the known balers and that at the same time the required space The baler can be kept constant in comparison with known balers.

Diese Aufgaben sind erfindungsgemäß durch eine Ballenpresse mit den Merkmalen des Anspruchs 1 oder des Anspruchs 8 gelöst.These objects are achieved by a baler with the features of claim 1 or claim 8.

Weitere vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen.Further advantageous developments of the invention will become apparent from the dependent claims.

Dadurch, dass für die Zustellbewegung der beiden hintereinander angeordneten Druckzylinder ein erstes Leitungssystem und für die Rückholung der Druckzylinder ein zweites Leitungssystem vorgesehen ist, dass die Leitungssysteme voneinander getrennt sind und jeweils mit dem Antriebsmittel verbunden sind, dass das jeweilige Leitungssystem in dem jeweiligen Druckzylinder integriert ist und dass die Verbindung zwischen den Druckzylindern durch die Leitungen erfolgt, die fest mit den jeweiligen Druckzylindern verbunden sind, entsteht zwischen den Leitungen und den Bewegungen der Druckzylinder keine Relativverschiebung bzw. -bewegung.Characterized in that for the feed movement of the two successively arranged printing cylinder, a first conduit system and for retrieving the pressure cylinder, a second conduit system is provided, that the conduit systems are separated from each other and are each connected to the drive means, that the respective conduit system is integrated in the respective pressure cylinder and that the connection between the pressure cylinders takes place through the lines which are fixedly connected to the respective pressure cylinders, no relative displacement or movement arises between the lines and the movements of the pressure cylinders.

Folglich können Leitungen mit einem belieb groß bemessenen Querschnitt eingesetzt werden, so dass eine ausreichende Förderung des Mediums erzielt werden kann.Consequently, lines with an arbitrarily sized cross-section can be used, so that a sufficient delivery of the medium can be achieved.

Der Bauraum der Ballenpresse und deren Hubbewegung sind durch diese konstruktiven Maßnahmen nicht betroffen, so dass die bekannten Ballenpressen in ihrer Baugröße und in ihrer Hubbewegung verwendet werden können.The space of the baler and its lifting movement are not affected by these constructive measures, so that the known balers can be used in their size and in their stroke movement.

In der Zeichnung sind zwei erfindungsgemäße Ausführungsbeispiele einer Ballenpresse dargestellt, die nachfolgend näher erläutert sind. Im Einzelnen zeigt:

Figur 1a
ein erstes Ausführungsbeispiel einer Ballenpresse, bestehend aus zwei Paaren von Druckzylindern, die hintereinander angeordnet sind und durch die der Pressstempel in Richtung eines Pressraums zustellbar und zurückholbar ist,
Figur 1b
ein zweites Ausführungsbeispiel einer Ballenpresse mit zwei hintereinander angeordneten Druckzylindern, durch die ein Pressstempel in Richtung eines Pressraums bewegbar und zurückholbar ist,
Figur 2a
einen ersten der Druckzylinder des ersten Paares gemäß Figur 1a, im Schnitt,
Figur 2b
einen zweiten der Druckzylinder des ersten Paares gemäß Figur 1a, im Schnitt und
Figur 3
den ersten Druckzylinder der Ballenpresse gemäß Figur 1b, im Schnitt.
In the drawing, two embodiments of a baler according to the invention are shown, which are explained in more detail below. In detail shows:
FIG. 1a
a first embodiment of a baler, consisting of two pairs of printing cylinders, which are arranged one behind the other and by means of which the pressing ram can be delivered and retrieved in the direction of a pressing space,
FIG. 1b
a second embodiment of a baler with two pressure cylinders arranged one behind the other, by means of which a pressing ram is movable and retrievable in the direction of a pressing space,
FIG. 2a
a first of the pressure cylinder of the first pair according to FIG. 1a , on average,
FIG. 2b
a second of the pressure cylinder of the first pair according to FIG. 1a , on average and
FIG. 3
the first impression cylinder of the baler according to FIG. 1b , on average.

In Figur 1 a ist eine Ballenpresse 1 abgebildet, die einen Pressstempel 2 aufweist, der in Richtung eines nicht dargestellten Pressraumes zustellbar ist. Durch den Pressstempel 2 sollen vereinzelte Stückgüter, beispielsweise Kartonage, Gras oder dergleichen, zu einem kompakten Ballen zusammengedrückt sein, um bei deren Entsorgung oder Lagerung ein geringen Platzbedarf zu benötigen.In FIG. 1 a is a baler 1 shown, which has a press ram 2, which is deliverable in the direction of a press room, not shown. By the ram 2 isolated individual cargo, such as cardboard, grass or the like to be compressed to a compact bale to require a small footprint in their disposal or storage.

Der Pressstempel 2 wird durch zwei Paare I und II von insgesamt vier Druckzylindern 3, 4, 5 und 6 zugestellt. Das erste Paar I der Druckzylinder 3 und 4 ist parallel zueinander ausgerichtet und zwischen einem Rahmengestell 10 der Ballenpresse 1 und einem in der Ballenpresse 1 verfahrbar gelagerten Wagen 11 angeordnet.The ram 2 is delivered by two pairs I and II of a total of four printing cylinders 3, 4, 5 and 6. The first pair I of the impression cylinders 3 and 4 are aligned parallel to one another and arranged between a frame 10 of the baler 1 and a carriage 11 movably mounted in the baling press 1.

An dem Wagen 11 sind die beiden anderen Druckzylinder 5, 6 des zweiten Paares II befestigt, deren jeweiliges freie Ende mit dem Pressstempel 2 verbunden ist.On the carriage 11, the other two pressure cylinders 5, 6 of the second pair II are fixed, whose respective free end is connected to the ram 2.

Jeder der Druckzylinder 3, 4, 5 und 6 besteht aus einem teleskopartig ausfahrbaren Kolben 9, dessen Bewegungsrichtung mit der Bezugsziffer 22 gekennzeichnet ist. Die Kolben 9 der jeweiligen Druckzylinder 3, 4, 5 und 6 werden demnach synchron zueinander hin- und her bewegt so dass zum einen der Wagen 11 und zum anderen der Pressstempel 2 in Zustellrichtung 22 hin und her verfahren ist.Each of the printing cylinder 3, 4, 5 and 6 consists of a telescopically extendable piston 9, the direction of movement is indicated by the reference numeral 22. The pistons 9 of the respective impression cylinders 3, 4, 5 and 6 are thus moved back and forth in synchronism with one another so that, on the one hand, the carriage 11 and, on the other hand, the ram 2 are moved back and forth in the feed direction 22.

Um die Bewegungen der Kolben 9 durchführen zu können, ist ein Medium 15 vorgesehen, beispielsweise Luft, Hydraulik oder ein Gasgemisch, das in einem Behälter 23 gelagert ist. In den Behälter 23 münden zwei Leitungen 16 ein, die mit einer Pumpe 14 verbunden sind. Die Pumpe 14 wird mit Hilfe eines Motors 13 angetrieben. Diese Antriebsmittel sind mit der Bezugsziffer 12 gekennzeichnet; für den Fachmann ist es selbstverständlich, die vorgestellten Antriebsmittel 12 durch andere mechanische oder elektrische Antriebsmittel zu ersetzen, um das Medium 15 durch die Leitungen 16 zu fördern.In order to perform the movements of the piston 9, a medium 15 is provided, for example air, hydraulic or a gas mixture which is mounted in a container 23. In the container 23 open two lines 16, which are connected to a pump 14. The pump 14 is driven by means of a motor 13. These drive means are identified by the reference numeral 12; for the expert it is of course, to replace the presented drive means 12 by other mechanical or electrical drive means to convey the medium 15 through the conduits 16.

Für die Zustellung der Kolben 9 der vier Druckzylinder 3, 4, 5 und 6 wird demnach das Medium 15 aus dem Behälter 23 durch die Leitungen 16 in die den Pressstempel 2 entgegengesetzt angeordneten Druckräume 7 der jeweiligen Druckzylinder 3, 4, 5 und 6 gepresst, so dass dadurch, wie dies nachfolgend im Einzelnen erläutert ist, der Kolben 9 in Richtung des Pressraumes gedrückt ist. Die Leitungen 16, die in den Druckraum 7 der jeweiligen Druckzylinder 3, 4, 5 und 6 münden, bilden einen ersten Zustellkreislauf A.For the delivery of the piston 9 of the four pressure cylinders 3, 4, 5 and 6, the medium 15 is thus pressed out of the container 23 through the lines 16 in the press ram 2 opposite pressure chambers 7 of the respective impression cylinder 3, 4, 5 and 6, so that thereby, as will be explained in detail below, the piston 9 is pressed in the direction of the pressing space. The lines 16, which open into the pressure chamber 7 of the respective pressure cylinder 3, 4, 5 and 6, form a first delivery circuit A.

Um die Kolben 9 in ihre Ausgangsstellung zurückzubewegen, ist ein zweiter Rückholkreislauf B vorzusehen, der in die Druckräume 8 der jeweiligen Druckzylinder 3, 4, 5 und 6 mündet. Die Einlassöffnungen in die Druckräume 7 der jeweiligen Druckzylinder 3, 4, 5 und 6 sind mit dem Buchstaben A und einer natürlichen Zahl gekennzeichnet, und zwar derart, dass die verwendete Zahl die Reihenfolge des Zustellkreislaufes A wiedergibt. Dies bedeutet folglich, dass das Medium 15 durch die Pumpe 13 zunächst in die Einlassöffnung A1 des ersten Druckzylinders 3 des ersten Paares I eingepresst ist.In order to move the pistons 9 back to their starting position, a second return circuit B is to be provided which opens into the pressure chambers 8 of the respective pressure cylinders 3, 4, 5 and 6. The inlet openings in the pressure chambers 7 of the respective pressure cylinder 3, 4, 5 and 6 are marked with the letter A and a natural number, in such a way that the number used represents the order of the delivery cycle A. This therefore means that the medium 15 is first pressed by the pump 13 into the inlet opening A1 of the first pressure cylinder 3 of the first pair I.

Gemäß Figur 2a ist der Kolben 9 als Rohr ausgestaltet. Das nach außen ragende freie Ende des Kolbens 9 ist verschlossen, so dass das Medium 15 durch die Einlassöffnung A1 einströmt und den Kolben 9 in Richtung des Pressstempels 2 bewegt. Gleichzeitig befindet sich im Bereich des freien Endes des Kolbens 9 eine Auslassöffnung A2, die über eine der Leitungen 16 mit der Einlassöffnung A3 des zweiten Druckzylinders 4 des ersten Paares I verbunden ist.According to FIG. 2a the piston 9 is designed as a tube. The outwardly projecting free end of the piston 9 is closed, so that the medium 15 flows through the inlet opening A1 and moves the piston 9 in the direction of the ram 2. At the same time located in the region of the free end of the piston 9, an outlet opening A2, which is connected via one of the lines 16 to the inlet opening A3 of the second pressure cylinder 4 of the first pair I.

Gemäß Figur 2b strömt folglich das Medium 15 in den Druckraum 7 des zweiten Druckzylinders 4 ein. Der dort eingesetzte Kolben 9 weist im Bereich des Druckraumes 7 eine Platte 17 auf, durch die das Innenrohrstück des Kolbens 9 in Richtung des Druckraumes 7 verschlossen ist. Darüberhinaus befindet sich ringförmig um den Kolben 9 im Bereich des Druckraumes 7 eine umlaufende Dichtung 18, so dass der Druckraum 7 des zweiten Druckzylinders 4 vollständig verschlossen ist. Das dort eingeströmte Medium 15 kann demnach ausschließlich durch die Einlassöffnung A5 ausströmen, wenn der Kolben 9 in Richtung des Druckraumes 7, wie dies nachfolgend näher erläutert ist, gedrückt ist.According to FIG. 2b Consequently, the medium 15 flows into the pressure chamber 7 of the second pressure cylinder 4 a. The piston 9 used there has, in the region of the pressure chamber 7, a plate 17, through which the inner tube piece of the piston 9 is closed in the direction of the pressure chamber 7. In addition, there is an annular seal 18 around the piston 9 in the region of the pressure chamber 7, so that the pressure chamber 7 of the second pressure cylinder 4 is completely closed. That there Inflowing medium 15 can therefore flow out exclusively through the inlet opening A5, when the piston 9 in the direction of the pressure chamber 7, as is explained in more detail below, is pressed.

Aus Figur 1 a ist zudem ersichtlich, dass der erste Druckzylinder 3 des ersten Paares I über eine weitere Leitung 16 mit Einlassöffnungen A3 und A4 der Druckzylinder 5 und 6 des zweiten Paares II verbunden ist, so dass durch das einströmende Medium 15 sämtliche der vier vorgesehenen Druckzylinder 3, 4, 5 und 6 befüllt sind und durch den in den jeweiligen Druckraum 7 entstehenden Überdruck der Kolben 9 aus dem Druckzylinder 3, 4, 5 und 6 synchron bewegt ist.Out FIG. 1 a is also apparent that the first pressure cylinder 3 of the first pair I is connected via a further line 16 with inlet openings A3 and A4 of the pressure cylinder 5 and 6 of the second pair II, so that all of the four provided pressure cylinder 3, by the inflowing medium 15, 4, 5 and 6 are filled and is moved synchronously by the resulting pressure in the space 7 overpressure of the piston 9 from the impression cylinder 3, 4, 5 and 6.

Um die Kolben 9 in ihre Ausgangsstellung zurückzuholen, ist der Rückholkreislauf B vorgesehen.To retrieve the piston 9 in its initial position, the return circuit B is provided.

Aus Figur 2a ergibt sich, dass zwischen dem Außenumfang des Kolbens 9 und der Innenwand des Druckzylinders 3 ein ringförmiger Luftspalt vorhanden ist, der als Druckraum 8 genutzt ist. Beim Zurückholen des jeweiligen Druckzylinders 3, 4, 5 und 6 wird zunächst in eine in dem Druckraum 8 einmündende Einlassöffnung B1 das Medium 15 eingefüllt, so dass der Kolben 9 in Richtung des Druckraumes 7 bewegt ist.Out FIG. 2a shows that between the outer circumference of the piston 9 and the inner wall of the printing cylinder 3, an annular air gap is present, which is used as a pressure chamber 8. When retrieving the respective printing cylinder 3, 4, 5 and 6, the medium 15 is first filled into an opening into the pressure chamber 8 inlet opening B1, so that the piston 9 is moved in the direction of the pressure chamber 7.

In Figur 2b ist gezeigt, dass der im Wesentlichen identisch aufgebaute Druckzylinder 4 durch eine Einlassöffnung B2 mit dem Medium 15 befüllbar ist. Darüberhinaus weist der Kolben 9 im Bereich der Platte 17 mehrere Bohrungen 19 auf, durch die das Medium 15 in das Innere des Kolbens 9 strömt und aus einer der Platte 17 gegenüberliegenden Bereich durch eine Auslassöffnung B3 ausströmt. Die Auslassöffnung B3 ist mit zwei Leitungen 16 mit den Einlassöffnungen B4 und B5 der Druckzylinder 5 und 6 des zweiten Paares II verbunden, so dass die Kolben 9 der Druckzylinder 5 und 6 gleichzeitig mit dem Kolben 9 der Druckzylinder 3 und 4 zurückbewegt sind.In FIG. 2b It is shown that the printing cylinder 4 constructed essentially identically can be filled with the medium 15 through an inlet opening B2. Moreover, the piston 9 in the region of the plate 17 has a plurality of bores 19, through which the medium 15 flows into the interior of the piston 9 and flows out of an area opposite the plate 17 through an outlet opening B3. The outlet port B3 is connected to the inlet ports B4 and B5 of the pressure cylinders 5 and 6 of the second pair II by two lines 16, so that the pistons 9 of the pressure cylinders 5 and 6 are moved back simultaneously with the piston 9 of the pressure cylinders 3 and 4.

Die Leitungen 16 sind fest mit den jeweiligen Druckzylindern 3, 4, 5 und 6 verbunden, so dass zwischen den Leitungen 16 den Druckzylindern, 3, 4, 5 und 6 keine Relativbewegung stattfindet.The lines 16 are firmly connected to the respective pressure cylinders 3, 4, 5 and 6, so that between the lines 16 the pressure cylinders, 3, 4, 5 and 6, no relative movement takes place.

Die Absperrung bzw. Öffnung der Leitungen 16 für den Zustellkreislauf A und den Rückhohlkreislauf B werden mittels Steuerventilen 24 geschaltet. Beim Einpressen des Mediums 15 in den Zustellkreislauf A ist demnach der Rückholkreislauf B für den Durchtritt des Mediums 15 in die Druckräume 8 geschlossen; jedoch kann das in den Druckräumen 8 vorhandene Medium 15 aus diesen über die Leitungen 16 in den Behälter 23 und durch die in diese Richtung geöffneten Steuerventile 24 zurückströmen. Sobald die Kolben 9 in ihre Ausgangsstellung zurückgefahren werden sollen, wird der Zustellkreislauf A mittels den Steuerventilen 24 geschlossen und das Medium 15 wird mittels der Pumpe 13 in den Rückholkreislauf B eingepresst. Das in den Druckräumen 7 vorhandene Medium 15 gelangt durch die Steuerventile 24 in den Behälter 23. Folglich ist eine unkomplizierte und schnelle Betriebsweise der Ballenpresse 1 erreicht. Der Bauraum der Ballenpresse 1 und deren zur Verfügung stehender Hubweg sind durch die konstruktiven Maßnahmen zur Förderung des Mediums 15 nicht beeinflusst.The blocking or opening of the lines 16 for the delivery circuit A and the return hollow circuit B are switched by means of control valves 24. When pressing the medium 15 in the Zustellkreislauf A therefore the return circuit B for the passage of the medium 15 is closed in the pressure chambers 8; however, the medium 15 present in the pressure chambers 8 can flow back out of these via the lines 16 into the container 23 and through the control valves 24 opened in this direction. As soon as the pistons 9 are to be returned to their initial position, the delivery circuit A is closed by means of the control valves 24 and the medium 15 is pressed into the return circuit B by means of the pump 13. The present in the pressure chambers 7 medium 15 passes through the control valves 24 in the container 23. Consequently, an uncomplicated and fast operation of the baler 1 is reached. The space of the baler 1 and their available stroke are not affected by the constructive measures to promote the medium 15.

In den Figuren 1b und 3 ist eine ähnliche Förderung des Mediums 15 zu entnehmen; allerdings besteht die Ballenpresse 1 gemäß den Figuren 1b und 3 lediglich aus zwei hintereinander angeordneten Druckzylindern 3 und 5.In the Figures 1b and 3 a similar promotion of the medium 15 can be seen; However, the baler 1 according to the Figures 1b and 3 only two pressure cylinders 3 and 5 arranged one behind the other.

Der Druckzylinder 3 ist gemäß Figur 3 derart aufgebaut, dass in den Druckraum 7 die Einlassöffnung A1 einmündet, allerdings ist der Kolben 9 zweiwandig ausgestaltet, so dass das eingefüllte Medium 15 zunächst aus dem Druckraum 7 durch das Innere des Kolben 9 in Richtung des freien nach außen ragenden Endes strömt und aus einer in den Kolben 9 eingearbeiteten Auslassöffnung A2 ausströmt. Die Auslassöffnung A2 ist über eine der Leitungen 16 mit der Einlassöffnung A3 des zweiten Druckzylinders 5 verbunden.The impression cylinder 3 is according to FIG. 3 constructed so that the inlet opening A1 opens into the pressure chamber 7, however, the piston 9 is configured zwewandig, so that the filled medium 15 first flows from the pressure chamber 7 through the interior of the piston 9 in the direction of the free outwardly projecting end and from a in the piston 9 incorporated outlet opening A2 flows out. The outlet port A2 is connected to the inlet port A3 of the second pressure cylinder 5 via one of the conduits 16.

Um den Kolben 9 der beiden Druckzylinder 3 und 5 in die Ausgangsstellung zurückzudrücken, ist in dem ersten Druckzylinder 3 zunächst eine Einlassöffnung B1 vorgesehen, die in einen Ringspalt mündet, der zwischen der Innenwand des Druckzylinders 3 und der Außenwand des Kolben 9 verläuft und demnach den Druckraum 8 bildet. Der Druckraum 8 ist mittels einer der Dichtungen 18 von dem Druckraum 7 getrennt. In die äußere Wand des Kolben 9 ist eine Durchgangsöffnung 21 eingearbeitet, die in einen Durchlasskanal 20 mündet, der zwischen der äußeren und der inneren Wand des Kolbens 9 verläuft. Im Bereich des freien nach außen ragenden Ende des Kolbens 9 ist eine Auslassöffnung B2 vorhanden, die mit einer der Leitungen 16 mit der Einlassöffnung B3 des zweiten Druckzylinders 5 verbunden ist.In order to push back the piston 9 of the two pressure cylinders 3 and 5 into the starting position, an inlet opening B1 is first provided in the first pressure cylinder 3, which opens into an annular gap extending between the inner wall of the pressure cylinder 3 and the outer wall of the piston 9 and accordingly Pressure chamber 8 forms. The pressure chamber 8 is separated from the pressure chamber 7 by means of one of the seals 18. In the outer wall of the piston 9, a through hole 21 is incorporated, which opens into a passageway 20 which extends between the outer and the inner wall of the piston 9. In the region of the free, outwardly projecting end of the piston 9, an outlet opening B2 is present, which is connected to one of the lines 16 with the inlet opening B3 of the second pressure cylinder 5.

Aus den Figuren 1b und 3 ist demnach ersichtlich, dass sowohl zwei hintereinander angeordneten Druckzylinder 3 und 5 als auch die Förderung des Mediums 15 durch zwei Paare I, II von vier Druckzylindern 3, 4, 5 und 6 bewerkstelligt werden kann.From the Figures 1b and 3 Accordingly, it can be seen that both two pressure cylinders 3 and 5 arranged one behind the other as well as the conveying of the medium 15 can be accomplished by two pairs I, II of four pressure cylinders 3, 4, 5 and 6.

Jeder der Druckzylinder 3, 4, 5 und 6 der erläuterten Figuren 1a bis 3 kann dabei eine beliebige Länge und Querschnittsform aufweisen. Die geometrischen Verhältnisse der Druckzylinder 3, 4, 5 und 6 hängen im Wesentlichen von den Druckkräften ab, die notwendig sind, um das in dem Pressraum eingefüllte Stückgut zu verpressen. Each of the impression cylinders 3, 4, 5 and 6 explained FIGS. 1a to 3 can have any length and cross-sectional shape. The geometric relationships of the printing cylinders 3, 4, 5 and 6 depend essentially on the pressure forces that are necessary to compress the filled in the press room cargo.

Claims (12)

  1. A bale press (1) by means of which bulk material, especially cardboard boxes, grass or the like, filled into a pressing space of the bale press is compressed by means of a pressing punch (2), consisting of
    - at least two pressure cylinders (3, 4, 5, 6) arranged one after the other, each of which has two pressure spaces (7, 8) separated from one another and a piston (9) that can be extended in a telescoping movement,
    in which the first pressure cylinder (3, 4) is arranged between a frame (10) of the bale press (1) and a carriage (11) mounted in a movable arrangement in the bale press (1), and the second pressure cylinder (5, 6) is arranged between the carriage (11) and the pressing punch (2),
    - a driving means (12, 13, 14) such as a pump (14) by means of which a medium (15) passes through a plurality of lines (16) and alternately fills the particular pressure spaces (7 or 8) of the first and second pressure cylinders (3, 4, 5, 6) so as to move them forwards towards the press frame and back to their initial position,
    in which a first line system (A) is provided for the advance movement of the two pressure cylinders (3, 4, 5, 6) arranged one after the other, and a second line system (B) is provided for the return movement of the pressure cylinders (3, 4 or 5, 6), with the line systems (A, B) being separated from one another and each connected to the driving means (12, 13, 14),
    characterised in that,
    the particular line system (A, B) is integrated into the particular pressure cylinder (3, 4, 5, 6) and that the connection between the pressure spaces (7 or 8) is made by means of the lines (16) which are firmly connected to the particular pressure cylinders (3, 4, 5, 6) and that two pairs (I, II) of pressure cylinders (3, 4 or 5, 6) are connected one after the other, that one of the pressure cylinders (3) of the first pair (I) features the line system (A) for moving the pressure cylinders (3, 4, 5, 6) forwards towards the pressing space and that the other pressure cylinder (5, 6) of the first pair (I) features the line system (B) for moving the two pairs (I, II) of pressure cylinders (3, 4, 5, 6) back to their initial position.
  2. The bale press in accordance with Claim 1,
    characterised in that,
    an inlet opening (A1) which emerges in the first pressure space (7) is provided in the pressure cylinder (3) of the first line system (A), that the piston (9) of the pressure cylinder (3) is configured as a tube and that an outlet opening (A2) for the outflow of the medium (15) is provided on the outer free end of the piston (9).
  3. The bale press in accordance with Claim 2,
    characterised in that,
    the outlet opening (A2) of the first pressure cylinder (3) is connected by means of one of the rigid lines (16) to the two pressure cylinders (5, 6) which form the second pair (II).
  4. The bale press in accordance with Claim 3,
    characterised in that,
    one of the lines (16) is arranged between the two pressure cylinders (5, 6) forming the second pair (II), and this line (16) connects the first pressure spaces (7) of the second pressure cylinders (5, 6) together.
  5. The bale press in accordance with one of the aforementioned claims,
    characterised in that,
    an inlet opening (A5) emerging in the first pressure space (7) of the second pressure cylinder (4) of the first pair (I) is provided and that the first pressure space (7) of the second pressure cylinder (4) is separated from the second pressure space (8) by the piston (9).
  6. The bale press in accordance with Claim 5,
    characterised in that,
    the piston (9) of the second pressure cylinder (4) is sealed by a plate (17) against its first pressure space (7), that a ring-shaped gap exists between the inside wall of the pressure cylinder (4) and the outside of the piston (9) and this gap chiefly extends along the entire length of the pressure cylinder (4), is sealed by a seal (18) against the first pressure space (7) and is used as a second pressure space (8) into which an inlet opening (B2) emerges, that at least one hole (19) is worked into the piston (9) in a circumferential direction through which the medium (15) flows from the pressure space (8) into the inside of the piston (9), and that an outlet opening (B3) is worked into the free end of the piston (9) which projects outwards.
  7. The bale press in accordance with Claim 6,
    characterised in that,
    the outlet opening (B3) of the second pressure cylinder (4) of the first pair (I) is connected to the two other pressure spaces (8) of the second pairs (II) of pressure cylinders (5, 6) by means of one of the lines (16).
  8. The bale press (1), by means of which by means of which bulk material, especially cardboard boxes, grass or the like, filled into a pressing space of the bale press is compressed by means of a pressing punch (2), consisting of
    - at least two pressure cylinders (3, 4, 5, 6) arranged one after the other, each of which has two pressure spaces (7, 8) separated from one another and a piston (9) that can be extended in a telescoping movement,
    in which the first pressure cylinder (3, 4) is arranged between a frame (10) of the bale press (1) and a carriage (11) mounted in a movable arrangement in the bale press (1), and the second pressure cylinder (5, 6) is arranged between the carriage (11) and the pressing punch (2),
    - a driving means (12, 13, 14) such as a pump (14) by means of which a medium (15) passes through a plurality of lines (16) and alternately fills the particular pressure spaces (7 or 8) of the first and second pressure cylinders (3, 4, 5, 6) so as to move them forwards towards the press frame and back to their initial position,
    in which a first line system (A) is provided for the advance movement of the two pressure cylinders (3, 4, 5, 6) arranged one after the other, and a second line system (B) is provided for the return movement of the pressure cylinders (3, 4 or 5, 6), with the line systems (A, B) being separated from one another and each connected to the driving means (12,13,14),
    characterised in that,
    the particular line system (A, B) is integrated into the particular pressure cylinder (3, 4, 5, 6) and that the connection between the pressure spaces (7 or 8) is made by means of the lines (16) which are firmly connected to the particular pressure cylinders (3, 4, 5, 6) and that with two pressure cylinders (3, 5) arranged one after the other, the first pressure cylinder (3) features an inlet opening (A1) assigned to the first pressure space (7) and an inlet opening (B1) assigned to the second pressure space (8), that the second inlet opening (B1) emerges in a ring gap which functions as a pressure space (8) with the ring gap extending between the inside wall of the pressure cylinder (3) and the outside of the piston (9), that the piston (9) has a passage channel (20) which emerges in the first pressure space (7) and that the outlet opening (A2) of the first pressure cylinder (3) is connected to an inlet opening (A3) in the pressure space (7) of the second pressure cylinder (5) by means of a line (16) in a fixed arrangement.
  9. The bale press in accordance with Claim 8,
    characterised in that,
    the outward-pointing end of the piston (9) has an outlet opening (A2) worked into it which emerges in the passage channel (20) and that the outlet opening (A2) is connected to the first pressure space of the second pressure cylinder by means of a line.
  10. The bale press in accordance with Claim 8 or 9,
    characterised in that,
    a seal (18) is provided between the pressure space (8) of the first pressure cylinder (3) and its first pressure space (7), and that at least one passage opening (21) arranged in the area of the first pressure space (7) is provided between the pressure space (8) and the passage channel (20).
  11. The bale press in accordance with Claims 8 to 10,
    characterised in that,
    the second pressure cylinder (5) features inlet openings (B3) which are connected to the outlet opening (B2) of the first pressure cylinder (3) by means of one of the lines (16) in a fixed arrangement.
  12. The bale press in accordance with Claims 8 to 11,
    characterised in that,
    the second pressure cylinder (5) is moved back and forth by means of the different pressure levels in the first pressure cylinder (3).
EP13184233.8A 2013-09-13 2013-09-13 Baling press Not-in-force EP2848397B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13184233.8A EP2848397B1 (en) 2013-09-13 2013-09-13 Baling press
PL13184233T PL2848397T3 (en) 2013-09-13 2013-09-13 Baling press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13184233.8A EP2848397B1 (en) 2013-09-13 2013-09-13 Baling press

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EP2848397B1 true EP2848397B1 (en) 2017-05-10

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EP3620296A1 (en) 2018-09-10 2020-03-11 Maschinenfabrik Bermatingen GmbH & Co. KG Baling press and method for controlling same
DE102024123686A1 (en) * 2024-08-20 2026-02-26 Herbert Kannegiesser Gmbh Dewatering press for dewatering laundry

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CN109664538A (en) * 2019-02-15 2019-04-23 南通海利特橡塑机械有限公司 A kind of novel four columns hydraulic press
EP4349582A1 (en) * 2022-10-07 2024-04-10 HSM GmbH + Co. KG Baling press and method for operating same

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US3384007A (en) * 1967-08-09 1968-05-21 Compactor Corp Waster compacting device
DE2115353A1 (en) * 1971-03-30 1972-12-07 Jacobs, Max, 5650 Solingen-Wald Hydraulic device for lifting and lowering loads
US3802337A (en) * 1971-10-06 1974-04-09 Gen Compactor Of Quebec Ltd Refuse compactor
DE2237453A1 (en) * 1972-07-29 1974-02-07 Karl Heinz Stein TELESCOPIC CYLINDER WITH HYDRAULICALLY ACTUATED FORWARD AND REVERSE THRUST FOR CRANE JIBS AND THE LIKE
US3802336A (en) * 1972-11-24 1974-04-09 Carrier Corp Refuse compacting device
DE3734555A1 (en) * 1987-10-13 1989-04-27 Bermatingen Maschf Baling press
DE9301899U1 (en) * 1993-02-11 1993-07-29 Langerbein-Scharf GmbH & Co. KG, 4700 Hamm Hydraulic actuating device with at least two coupled actuating elements
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3620296A1 (en) 2018-09-10 2020-03-11 Maschinenfabrik Bermatingen GmbH & Co. KG Baling press and method for controlling same
DE102024123686A1 (en) * 2024-08-20 2026-02-26 Herbert Kannegiesser Gmbh Dewatering press for dewatering laundry

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EP2848397A1 (en) 2015-03-18

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