EP1704974A2 - Biasing and fixing of the cutters of a debarking machine with annular rotor and simplified drive for infeed and outfeed rolls - Google Patents
Biasing and fixing of the cutters of a debarking machine with annular rotor and simplified drive for infeed and outfeed rolls Download PDFInfo
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- EP1704974A2 EP1704974A2 EP06006191A EP06006191A EP1704974A2 EP 1704974 A2 EP1704974 A2 EP 1704974A2 EP 06006191 A EP06006191 A EP 06006191A EP 06006191 A EP06006191 A EP 06006191A EP 1704974 A2 EP1704974 A2 EP 1704974A2
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- Prior art keywords
- knife
- counterweight
- rotor
- shaft
- tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L1/00—Debarking or removing vestiges of branches from trees or logs; Machines therefor
- B27L1/08—Debarking or removing vestiges of branches from trees or logs; Machines therefor using rotating rings
Definitions
- the invention relates to the clamping of the knife tools of a Lochrotorentring machine by means of centrifugal forces occurring in the rotating state, which are generated by weights which are mounted on the knife arm opposite side of the blade shaft or offset therefrom. These centrifugal forces are converted due to the leverage laws into usable energy for clamping the knife tools to regulate the contact pressure of the knife to the tree trunk, and exploited to independently open the knife tools at standstill of the rotor, with the aid of a prestressed rubber band, a spring ....
- the knife tools are clamped according to the market with the following devices: with hydraulic cylinders, with hydraulic accumulators, with air suspension and with springs or rubber bands. These devices always provide a constant contact pressure, whether the rotor is running or not. They are elaborate and vulnerable and do not work in harmony with the rotor and the knife tools.
- the object of the present invention is to use a simple source of energy that is inherently available in this case, which inevitably occurs when the rotor rotates and brings its energy into line with the cutting tools.
- these objectives are achieved in that a weight - heavier than the debarking - is mounted on the opposite side of the support shaft of the knife tool at a point outside the center of the axle, that with the rotor running by the centrifugal force of the respective required pressure of the knife back to axle center of the rotor results.
- This weight can also be arranged offset to the knife shaft axis and connected via an elastic tool according to the law of levers with the blade shaft.
- centrifugal force to regulate the pressure of the knife tools on the tree trunk has the following advantages: additional clamping devices for pressing the knife tools while the rotor is in operation, are superfluous. Unnecessary technical effort is eliminated.
- the hole rotor and the knife tools work in unison. When the rotor is at a standstill, the knife tools open (with the aid of prestressed rubber bands, springs, etc.); when the rotor is running, they close.
- the pressure of the knife tools is individually adjustable via the speed of the rotor. The knives do not eat in jerky standstill of the rotor in the tree trunk.
- Fig. 1 shows a perforated rotor according to the invention in front view with a view of the outer ring of the rotor (8) mounted knife tools (1), the stored blade holding shafts (4) and the center of the axle.
- the number of knife tools (1) can vary arbitrarily z. B. from 2 to 8 knives, as well as the direction of rotation of the rotor.
- the counterweight (2) is compared to the blade arm (1) essential heavier.
- Knife arm (1) and counterweight (2) are respectively arranged opposite each other at the ends of the knife holding shafts (4) with the resulting flight zones (a and b).
- Fig. 2 shows a perforated rotor according to the invention in rear view with a view of the outer ring of the rotor (8) mounted counterweights (2), the stored knife holding shafts (4) and between the knife shaft (4) and counterweight (2) incorporated elastic insert (3) , Knife arm (1) and counterweight (2) are respectively arranged opposite each other at the ends of the knife holding shafts (4) with the resulting flight zones (a and b).
- Fig. 3 shows the mounted blade shaft (4), at one end of the blade arm (1) and at the other end of the counterweight (2) are mounted. Between the knife shaft (4) and counterweight (2) there is a self-contained elastic insert (3). Knife arm (1) and counterweight (2) are in turn mounted and fixed to the outer ring of the hole rotor (8). The elastic insert (3) between knife arm (1) and counterweight (2) is necessary to buffer jerky torque changes of the blade arm (1) in its effect on the counterweight (2).
- a star-shaped rubber buffer is selected, which is firmly anchored once with its toothing in the toothing of the blade shaft (4) and once in the toothing of the counterweight (2).
- the elastic insert (3) is movable in any direction, it can easily rotate between its two gears.
- Fig. 4 shows the rear view of the hole rotor with the counterweight (2) for the debarking and the arrangement of additional tools with low clamping force for blade tensioning and closing the blade (6) such.
- Rubber band, spring, hydraulic component Besides the tools used (6) can work depending on their nature and arrangement on the counterweight (2) on thrust as well as on traction.
- the knife tools (1) are held at the end of the rotor with a low contact pressure on the tree trunk or the center of the axis of the rotor.
- the additional knife clamping means (6) takes over here a certain proportion of the balancing effect of the counterweight (2) on the centrifugal force striving of the blade arms (1), so that this can be chosen somewhat easier.
- the percentage of counterweight (2) and tool (6) for knife margins on the increase of the knife pressure can be chosen arbitrarily.
- Fig. 5 shows the rear view of the hole rotor with the counterweight (2) for the debarking knife and the arrangement of additional aids (such as rubber band, spring, hydraulic component ...) with low clamping force for blade tensioning and opening the knife (7).
- additional aids such as rubber band, spring, hydraulic component
- the counterweight (2) must therefore be made heavier by the tensile force of the auxiliary (7) in order to maintain the Messeranpreßtik constant.
- the tools used (7) can work depending on their nature and arrangement on the counterweight (2) both on thrust and on traction.
- Fig. 6 shows the offset to the knife shaft axis on the side facing away from the knife tools (1) side of the rotor outer ring (9) counterweights (2 a) with the elastic tools (10) via which they (2 a) with the blade shaft (4 a) are connected according to the law of levers.
- these (10) can operate on a thrust or traction force basis.
- the traction variant is shown.
- the elastic aids (6) and (7) of claim 4 and 5 in the application example of Fig.
- the invention relates to the attachment of the knife tools of a Lochrotorentrindungsmaschine.
- the clamping mechanism for the knife tools is mounted on one side of the hole rotor disc and on the opposite side of the disc are the knife tools themselves. Both are connected via a mounted shaft which is fixed to the rotor disk.
- the disadvantages of this design are: The torque of the clamping mechanism must first be placed on a shaft which is usually provided with a keyway, the bearing shaft brings the torque forces on the other side of the rotor disk to the knife tool, it will each have a corresponding holder for the torque absorption of the clamping mechanism and the knife tool needed.
- Object of the present invention is to produce a direct power flow between the clamping mechanism and knife tool without a connecting shaft.
- This object is achieved according to the invention in that the clamping mechanism and the knife tool are brought into a line of force by on one side of the rotor disc only the ball bearing receptacle is mounted on the opposite side of the clamping mechanism and the Messerwerkmaschinebefest Trent (see Fig. 7 ).
- Figure 7 shows in cross-section a rotor disk (9) with the pulley (10) mounted at the top.
- the rotary joint (ball bearing) To the left of the rotor disc (9) is the rotary joint (ball bearing) (8).
- the shaft journal (6) fixedly attached to the rotor disk To the right of the rotor disk (9), the shaft journal (6) fixedly attached to the rotor disk can be seen with the ball bearing (5) seated thereon.
- the two ball bearings are secured via the lock nuts (5 a).
- Figure 8 shows the attachment of an auxiliary blade, which is considerably smaller than the main blade, to the arm of a knife tool (1). It is screwed laterally onto the knife arm with cone screws (2). The necessary stability brings the main knife. The Hauptmesserarm is kept a little shorter and the additional knife much weaker than the main knife selected.
- Figure 9 also shows the attachment of an additional knife to the main knife, but here approximately in the last quarter of the main knife length.
- the invention relates to a simplified drive of the intake and Auszugswalzen a Lochrotorentring machine and its attachment. If one axis has many up and down movements with large Hubvolume must deny, as is the case with the input and Auszugswalzen a Lochrotorentrindungsmaschine, it is necessary to offset the center of the axle via a support arm and to transmit the torques of the drive shaft with high technical effort on the roller mount.
- this object is achieved in that the power flow for driving the input and Auszugswalzen of a drive shaft via a support arm from the drive gear (B, see Fig. 10) by means of gear transmission directly, without stored intermediate shafts, for roller recording (F). runs.
- the holding arm is composed of the carrier bushing (1), the side member (2) and the stationary on the longitudinal beam (2) fixed shaft journals (3).
- the power flow of the in the support bushing (1) mounted shaft (A) to the drive gear (B), of this via a plurality of intermediate gears C 1 to C X up to the final gear (D), on the fixed to the side rail (2) welded Shaft journal (3) is mounted.
- the end gear (D) has a substantially elongated bush (E), which allows the fastening of the feed and removal rollers with cone nuts. Through these translations, it is possible to transmit the torque outputs directly without shaft from the drive gear (B) on the receptacle for the input and Auszugswalzen (F).
- On the side member (2) are in the embodiment of Fig. 1, a fixed shaft journal (4).
- the intermediate gear (C), which transmits the force to the final gear (D), is mounted on it.
- several shaft journals (4) with the corresponding intermediate gears (C) may be appropriate.
- the bushing (E) is mounted on the fixed shaft journal (3) and secured by the locknut (J).
- the shaft journals (3) and (4) are firmly anchored to the longitudinal member (2) at right angles.
- the seal extends to the gearbox (H), which is provided with a cover (G).
- the carrier bushing (1) can also be used a ball bearing.
- the drive unit according to the invention can also be used for all other flanges for power take-offs on machines, vehicles, technical equipment Vietnamese, such. B. at a wheel ....
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Abstract
Description
Die Erfindung bezieht sich auf das Spannen der Messerwerkzeuge einer Lochrotorentrindungsmaschine mit Hilfe von im rotierenden Zustand auftretenden Fliehkräften, die von Gewichten erzeugt werden, die auf der zum Messerarm entgegengesetzten Seite der Messerwelle oder versetzt zu dieser angebracht sind.
Diese Fliehkräfte werden auf Grund der Hebelgesetze in nutzbare Energie für das Spannen der Messerwerkzeuge zur Regulierung des Anpreßdrucks der Messer an den Baumstamm umgewandelt, sowie zum selbständigen Öffnen der Messerwerkzeuge bei Stillstand des Rotors ausgenutzt, unter Zuhilfenahme eines vorgespannten Gummibandes, einer Feder....The invention relates to the clamping of the knife tools of a Lochrotorentring machine by means of centrifugal forces occurring in the rotating state, which are generated by weights which are mounted on the knife arm opposite side of the blade shaft or offset therefrom.
These centrifugal forces are converted due to the leverage laws into usable energy for clamping the knife tools to regulate the contact pressure of the knife to the tree trunk, and exploited to independently open the knife tools at standstill of the rotor, with the aid of a prestressed rubber band, a spring ....
Die Messerwerkzeuge werden marktüblich mit folgenden Vorrichtungen gespannt: mit Hydraulikzylindern, mit Hydrospeichern, mit Luftfederung und mit Federn oder Gummibändern. Diese Vorrichtungen liefern, egal, ob der Rotor läuft oder nicht, immer einen konstanten Anpreßdruck. Sie sind aufwendig und anfällig und arbeiten nicht im Einklang mit dem Rotor und den Messerwerkzeugen.The knife tools are clamped according to the market with the following devices: with hydraulic cylinders, with hydraulic accumulators, with air suspension and with springs or rubber bands. These devices always provide a constant contact pressure, whether the rotor is running or not. They are elaborate and vulnerable and do not work in harmony with the rotor and the knife tools.
Gegenstand der vorliegenden Erfindung ist es eine einfache in diesem Fall von Haus aus zur Verfügung stehende Energiequelle, zu nutzen, die zwangsläufig bei rotierendem Rotor auftritt und deren Energie in Einklang mit den Messerwerkzeugen zu bringen.The object of the present invention is to use a simple source of energy that is inherently available in this case, which inevitably occurs when the rotor rotates and brings its energy into line with the cutting tools.
Erfindungsgemäß werden diese Ziele dadurch erreicht, daß ein Gewicht - schwerer als das Entrindungsmesser - so auf der gegenüberliegenden Seite der Haltewelle des Messerwerkzeugs an einem Punkt außerhalb der Achsmitte angebracht wird, daß sich bei laufendem Rotor durch die Fliehkraft der jeweils erforderliche Druck der Messer hin zur Achsmitte des Rotors ergibt.
Dieses Gewicht kann auch versetzt zur Messerwellenachse angeordnet und über ein elastisches Hilfsmittel nach dem Hebelgesetz mit der Messerwelle verbunden sein.
Bei Erreichen der gewünschten Drehzahl des Rotors wird somit auch der gewünschte Messerdruck am Baumstamm erreicht. Der Messerdruck verstellt sich von alleine, je nachdem mit welcher Drehzahl der Rotor läuft.According to the invention, these objectives are achieved in that a weight - heavier than the debarking - is mounted on the opposite side of the support shaft of the knife tool at a point outside the center of the axle, that with the rotor running by the centrifugal force of the respective required pressure of the knife back to axle center of the rotor results.
This weight can also be arranged offset to the knife shaft axis and connected via an elastic tool according to the law of levers with the blade shaft.
Upon reaching the desired speed of the rotor thus the desired knife pressure on the tree trunk is achieved. The blade pressure changes automatically, depending on the speed of rotation of the rotor.
Die Zuhilfenahme der Fliehkraft zur Regulierung des Drucks der Messerwerkzeuge an den Baumstamm weist folgende Vorteile auf:
zusätzliche Spannvorrichtungen zum Anpressen der Messerwerkzeuge während der Rotor in Betrieb ist, werden überflüssig. Unnötiger technischer Aufwand entfällt. Der Lochrotor und die Messerwerkzeuge arbeiten im Einklang. Beim Stillstand des Rotors öffnen sich die Messerwerkzeuge (unter Zuhilfenahme von vorgespannten Gummibändern, Federn....), bei laufendem Rotor schließen sie sich. Der Druck der Messerwerkzeuge ist über die Drehzahl des Rotors individuell einstellbar. Die Messer fressen sich bei ruckartigem Stillstand des Rotors nicht mehr in den Baumstamm.The use of centrifugal force to regulate the pressure of the knife tools on the tree trunk has the following advantages:
additional clamping devices for pressing the knife tools while the rotor is in operation, are superfluous. Unnecessary technical effort is eliminated. The hole rotor and the knife tools work in unison. When the rotor is at a standstill, the knife tools open (with the aid of prestressed rubber bands, springs, etc.); when the rotor is running, they close. The pressure of the knife tools is individually adjustable via the speed of the rotor. The knives do not eat in jerky standstill of the rotor in the tree trunk.
Im Folgenden wird die Erfindung anhand eines Beispiels und mit Bezug auf die beiliegenden Zeichnungen näher erläutert.In the following the invention is explained in more detail by means of an example and with reference to the accompanying drawings.
Abb. 1 zeigt einen erfindungsgemäßen Lochrotor in Vorderansicht mit Blick auf die am Außenring des Rotors (8) angebrachten Messerwerkzeuge (1), die gelagerten Messerhaltewellen (4) und deren Achsmitte. Die Anzahl der Messerwerkzeuge (1) kann beliebig variieren z. B. von 2 bis zu 8 Messern, ebenso die Drehrichtung des Rotors. Abb. 1 zeigt einen rechtsumlaufenden Rotor mit der Flugzone (a) = Zentrifugalkraft des Messerarms (1), sowie der Flugzone (b) = Zentrifugalkraft des Gegengewichts (2) des auf der hinteren Seite der Messerwelle (4) angebrachten Gegengewichts (2). Das Gegengewicht (2) ist im Vergleich zum Messerarm (1) wesentlich schwerer. Durch das Drehen des Rotors und die dabei auftretenden Fliehkräfte (a u. b) wird der Kraftarm mit dem größeren Drehmoment (= im Vergleich zum Messerarm (1) schwereres Gegengewicht (2)) nach außen und als Folge davon der Kraftarm mit dem kleineren Drehmoment (= der des Messerarms (1)) nach innen und so die Messer automatisch an den Baumstamm gedrückt.
Messerarm (1) und Gegengewicht (2) sind jeweils einander gegenüber an den Enden der Messerhaltewellen (4) angeordnet mit den sich daraus ergebenden Flugzonen (a u. b).Fig. 1 shows a perforated rotor according to the invention in front view with a view of the outer ring of the rotor (8) mounted knife tools (1), the stored blade holding shafts (4) and the center of the axle. The number of knife tools (1) can vary arbitrarily z. B. from 2 to 8 knives, as well as the direction of rotation of the rotor. Fig. 1 shows a right-hand rotor with the flight zone (a) = centrifugal force of the blade arm (1), and the flight zone (b) = centrifugal force of the counterweight (2) of the on the rear side of the blade shaft (4) mounted counterweight (2). The counterweight (2) is compared to the blade arm (1) essential heavier. By turning the rotor and the centrifugal forces (a and b) occurring, the force arm with the larger torque (= heavier counterweight (2) compared to the blade arm (1)) becomes outward and, as a consequence, the power arm with the smaller torque (= that of the knife arm (1)) inwards and so the knives automatically pressed against the tree trunk.
Knife arm (1) and counterweight (2) are respectively arranged opposite each other at the ends of the knife holding shafts (4) with the resulting flight zones (a and b).
Abb. 2 zeigt einen erfindungsgemäßen Lochrotor in Hinteransicht mit Blick auf die am Außenring des Rotors (8) angebrachten Gegengewichte (2), die gelagerten Messerhaltewellen (4) und den zwischen Messerwelle (4) und Gegengewicht (2) eingearbeiteten elastischen Einsatz (3). Messerarm (1) und Gegengewicht (2) sind jeweils einander gegenüber an den Enden der Messerhaltewellen (4) angeordnet mit den sich daraus ergebenden Flugzonen (a u. b).Fig. 2 shows a perforated rotor according to the invention in rear view with a view of the outer ring of the rotor (8) mounted counterweights (2), the stored knife holding shafts (4) and between the knife shaft (4) and counterweight (2) incorporated elastic insert (3) , Knife arm (1) and counterweight (2) are respectively arranged opposite each other at the ends of the knife holding shafts (4) with the resulting flight zones (a and b).
Abb. 3 zeigt die gelagerte Messerwelle (4), an deren einem Ende der Messerarm (1) und an deren anderem Ende das Gegengewicht (2) angebracht sind. Zwischen Messerwelle (4) und Gegengewicht (2) befindet sich ein in sich gelagerter elastischer Einsatz (3). Messerarm (1) und Gegengewicht (2) sind wiederum am Außenring des Lochrotors (8) gelagert und befestigt. Der elastische Einsatz (3) zwischen Messerarm (1) und Gegengewicht (2) ist nötig um ruckartige Drehmomentänderungen des Messerarms (1) in seiner Wirkung auf das Gegengewicht (2) abzupuffern.Fig. 3 shows the mounted blade shaft (4), at one end of the blade arm (1) and at the other end of the counterweight (2) are mounted. Between the knife shaft (4) and counterweight (2) there is a self-contained elastic insert (3). Knife arm (1) and counterweight (2) are in turn mounted and fixed to the outer ring of the hole rotor (8). The elastic insert (3) between knife arm (1) and counterweight (2) is necessary to buffer jerky torque changes of the blade arm (1) in its effect on the counterweight (2).
Im Ausführungsbeispiel wird ein sternförmiger Gummipuffer gewählt, der einmal mit seiner Verzahnung in der Verzahnung der Messerwelle (4) fest verankert ist und einmal in der Verzahnung des Gegengewichts (2). Der elastische Einsatz (3) ist in jede Richtung hin beweglich, er kann sich zwischen seinen beiden Verzahnungen leicht in sich drehen.In the exemplary embodiment, a star-shaped rubber buffer is selected, which is firmly anchored once with its toothing in the toothing of the blade shaft (4) and once in the toothing of the counterweight (2). The elastic insert (3) is movable in any direction, it can easily rotate between its two gears.
Es ist eine variable Formgebung möglich. Sie muß aber so erfolgen, daß der elastische Einsatz alle Drehmomentspitzen zwischen dem Messerarm (1) und dem Gegengewicht (2) abpuffern kann. (5) bezeichnet die Lagerung der Messerwelle (4).It is a variable shape possible. But it must be done so that the elastic insert can buffer all torque peaks between the blade arm (1) and the counterweight (2). (5) denotes the bearing of the knife shaft (4).
Abb. 4 zeigt die Hinteransicht des Lochrotors mit dem Gegengewicht (2) für das Entrindungsmesser und der Anordnung zusätzlicher Hilfsmittel mit geringer Spannkraft zum Messerspannen und Schließen der Messer (6) wie z. B. Gummiband, Feder, Hydraulikkomponente...)
Die eingesetzten Hilfsmittel (6) können je nach ihrer Beschaffenheit und Anordnung am Gegengewicht (2) auf Schubkraft- als auch auf Zugkraftbasis arbeiten.
Mit Hilfe dieser zusätzlichen Messerspannmittel (6) werden die Messerwerkzeuge (1) beim Auslaufen des Rotors mit einem geringen Anpreßdruck am Baumstamm bzw. zur Achsmitte des Rotors hin gehalten.
Das zusätzliche Messerspannmittel (6) übernimmt hier einen gewissen Anteil der ausgleichenden Wirkung des Gegengewichts (2) auf das Fliehkraftbestreben der Messerarme (1), sodaß dieses etwas leichter gewählt werden kann. Der prozentuale Anteil von Gegengewicht (2) und Hilfsmittel (6) zum Messerspannen an der Erhöhung des Messerdrucks kann beliebig gewählt werden.Fig. 4 shows the rear view of the hole rotor with the counterweight (2) for the debarking and the arrangement of additional tools with low clamping force for blade tensioning and closing the blade (6) such. Rubber band, spring, hydraulic component ...)
The tools used (6) can work depending on their nature and arrangement on the counterweight (2) on thrust as well as on traction.
With the help of these additional knife clamping means (6), the knife tools (1) are held at the end of the rotor with a low contact pressure on the tree trunk or the center of the axis of the rotor.
The additional knife clamping means (6) takes over here a certain proportion of the balancing effect of the counterweight (2) on the centrifugal force striving of the blade arms (1), so that this can be chosen somewhat easier. The percentage of counterweight (2) and tool (6) for knife margins on the increase of the knife pressure can be chosen arbitrarily.
Abb. 5 zeigt die Hinteransicht des Lochrotors mit dem Gegengewicht (2) für das Entrindungsmesser und der Anordnung zusätzlicher Hilfsmittel (wie z. B. Gummiband, Feder, Hydraulikkomponente...) mit geringer Spannkraft zum Messerspannen und Öffnen der Messer (7). Diese Hilfsmittel mindern die beim Gegengewicht (2) auftretenden Fliehkräfte um ihre Zugkraft. Das Gegengewicht (2) muß daher um die Zugkraft des Hilfsmittels (7) schwerer gewählt werden um den Messeranpreßdruck konstant aufrecht erhalten zu können. Bei nachlassender Rotorgeschwindigkeit oder bei einem Stillstand des Rotors zieht dann das elastische Hilfsmittel (7) auf Grund seiner in ihm gespeicherten Energie das Gegengewicht (2) zur Rotormitte hin, was zur Folge hat, daß sich die Messerwerkzeuge (1) automatisch öffnen.
Die eingesetzten Hilfsmittel (7) können je nach ihrer Beschaffenheit und Anordnung am Gegengewicht (2) sowohl auf Schubkraft- als auch auf Zugkraftbasis arbeiten.Fig. 5 shows the rear view of the hole rotor with the counterweight (2) for the debarking knife and the arrangement of additional aids (such as rubber band, spring, hydraulic component ...) with low clamping force for blade tensioning and opening the knife (7). These aids reduce the centrifugal forces occurring at the counterweight (2) by their tensile force. The counterweight (2) must therefore be made heavier by the tensile force of the auxiliary (7) in order to maintain the Messeranpreßdruck constant. With decreasing rotor speed or at a standstill of the rotor then pulls the elastic tool (7) due to its stored energy in the counterweight (2) towards the rotor center, with the result that the knife tools (1) open automatically.
The tools used (7) can work depending on their nature and arrangement on the counterweight (2) both on thrust and on traction.
Abb. 6 zeigt die versetzt zur Messerwellenachse auf der von den Messerwerkzeugen (1) abgewandten Seite des Rotoraußenrings (9) gelagerten Gegengewichte (2 a) mit den elastischen Hilfsmitteln (10) über die sie (2 a) mit der Messerwelle (4 a) nach dem Hebelgesetz verbunden sind. Je nach Beschaffenheit und Anordnung der elastischen Hilfsmittel (10) am Gegengewicht (2 a) können diese (10) auf Schubkraft- oder Zugkraftbasis arbeiten. Im Anwendungsbeispiel ist die zugkraftvariante abgebildet. Zusätzlich können an diesen versetzt zur Messerwellenachse (4 a) angeordneten Gegengewichten (2 a) wiederum die elastischen Hilfsmittel (6) und (7) aus Patentanspruch 4 und 5 (im Anwendungsbeispiel der Abb. 6 mit (11) bezeichnet) unter Berücksichtigung des Hebelgesetzes angebracht werden, je nach Beschaffenheit und Anordnung am Gegengewicht (2 a) auf Schubkraft- oder Zugkraftbasis. Bei diesem Anwendungsbeispiel handelt es sich um den Fall, daß die Messer bei Rotorstillstand geschlossen gehalten werden. Soll ein Öffnen der Messerwerkzeuge (1) erreicht werden, müssen auf den versetzt angeordneten Gegengewichten (2 a) die Hilfsmittel (11) unter Berücksichtigung des Hebelgesetzes angebracht werden.
Durch die elastische Verbindung (10) von Gegengewicht (2 a) und Messerhaltewelle (4 a) - sie kann in mehreren Varianten angebracht sein - wird der in Abb. 3 gezeigte in sich gelagerte elastische Einsatz (3) überflüssig.
Die erfindungsgemäße Spanntechnik kann auch bei allen anderen von ihrer Verwendung und ihrer technischen Ausstattung her dazu geeigneten Rotoren zum Einsatz gebracht werden.Fig. 6 shows the offset to the knife shaft axis on the side facing away from the knife tools (1) side of the rotor outer ring (9) counterweights (2 a) with the elastic tools (10) via which they (2 a) with the blade shaft (4 a) are connected according to the law of levers. Depending on the nature and arrangement of the elastic aids (10) on the counterweight (2 a), these (10) can operate on a thrust or traction force basis. In the application example, the traction variant is shown. In addition, at this offset to the knife shaft axis (4 a) arranged counterweights (2 a) turn the elastic aids (6) and (7) of
By the elastic connection (10) of the counterweight (2 a) and knife support shaft (4 a) - it can be mounted in several variants - the shown in Fig. 3 is stored elastic insert (3) superfluous.
The clamping technique according to the invention can also be used in all other rotors suitable for their use and their technical equipment.
Weiter bezieht sich die Erfindung auf die Befestigung der Messerwerkzeuge einer Lochrotorentrindungsmaschine.
Bei bisherigen Lochrotorentrindungsmaschinen ist der Spannmechanismus für die Messerwerkzeuge auf einer Seite der Lochrotorscheibe angebracht und auf der gegenüberliegenden Seite der Scheibe befinden sich die Messerwerkzeuge selbst. Beide sind über eine gelagerte Welle, die an der Rotorscheibe befestigt ist, verbunden.Further, the invention relates to the attachment of the knife tools of a Lochrotorentrindungsmaschine.
In previous Lochrotorentrindungsmaschinen the clamping mechanism for the knife tools is mounted on one side of the hole rotor disc and on the opposite side of the disc are the knife tools themselves. Both are connected via a mounted shaft which is fixed to the rotor disk.
Als Nachteile dieser Konstruktion sind zu nennen: Das Drehmoment des Spannmechanismus muß erst auf eine Welle gebracht werden, die meist mit einer Keilnut versehen ist, die gelagerte Welle bringt die Drehmomentskräfte auf die andere Seite der Rotorscheibe zum Messerwerkzeug, es wird jeweils eine entsprechende Halterung für die Drehmomentaufnahme des Spannmechanismus und des Messerwerkzeugs nötig.The disadvantages of this design are: The torque of the clamping mechanism must first be placed on a shaft which is usually provided with a keyway, the bearing shaft brings the torque forces on the other side of the rotor disk to the knife tool, it will each have a corresponding holder for the torque absorption of the clamping mechanism and the knife tool needed.
Aufgabe der vorliegenden Erfindung ist es einen direkten Kraftfluß zwischen Spannmechanismus und Messerwerkzeug herzustellen ohne eine Verbindungswelle.
Diese Aufgabe wird gemäß der Erfindung dadurch gelöst, daß der Spannmechanismus und das Messerwerkzeug in eine Kraftlinie gebracht werden, indem auf der einen Seite der Rotorscheibe nur mehr deren Kugellageraufnahme angebracht ist, auf der gegenüberliegenden Seite der Spannmechanismus und die Messerwerkzeugbefestigung (s. Abb. 7).Object of the present invention is to produce a direct power flow between the clamping mechanism and knife tool without a connecting shaft.
This object is achieved according to the invention in that the clamping mechanism and the knife tool are brought into a line of force by on one side of the rotor disc only the ball bearing receptacle is mounted on the opposite side of the clamping mechanism and the Messerwerkzeugbefestigung (see Fig. 7 ).
Im Folgenden wird die Erfindung anhand von Ausführungsbeispielen näher erläutert:The invention is explained in more detail below on the basis of exemplary embodiments:
Abbildung 7 zeigt im Querschnitt eine Rotorscheibe (9) mit der oben angebrachten Riemenscheibe (10). Links von der Rotorscheibe (9) befindet sich die Drehverbindung (Kugellager) (8). Rechts von der Rotorscheibe (9) ist der an der Rotorscheibe festangebrachte Wellenzapfen (6) mit dem darauf sitzenden Kugellager (5) zu sehen. Die Sicherung der beiden Kugellager erfolgt über die Sicherungsmuttern (5 a).Figure 7 shows in cross-section a rotor disk (9) with the pulley (10) mounted at the top. To the left of the rotor disc (9) is the rotary joint (ball bearing) (8). To the right of the rotor disk (9), the shaft journal (6) fixedly attached to the rotor disk can be seen with the ball bearing (5) seated thereon. The two ball bearings are secured via the lock nuts (5 a).
Auf den beiden Kugellagern (5) sitzt die Buchse (3), auf dieser Buchse wiederum der gesamte Spannmechanismus (4), der sowohl auf der Buchse (3) als auch an der Rotorscheibe (9) verankert ist. Seitlich an dieser Buchse (3), auf der vom Rotor abgewandten Seite, sind Gewindebohrungen (2 a) in diese eingearbeitet, die das Anbringen eines Messerwerkzeugs (1) mittels Schrauben und Konusmuttern (2) unmittelbar an der Buchse (3) spielfrei ermöglichen. Das Kugellager für die Aufnahme der Rotorscheibe (9) kann wahlweise auch unterhalb des Spannmechanismus (4) plaziert sein.
Um die Verschmutzung des Spannmechanismus (4) zu verhindern, wird zwischen Messerwerkzeug (1) und Spannmechanismus (4) ein Abdeckblech (7) eingebaut.On the two ball bearings (5) sits the bushing (3), in turn on this socket, the entire clamping mechanism (4), which is anchored both on the bush (3) and on the rotor disc (9). On the side of this bushing (3), on the side facing away from the rotor, threaded holes (2 a) are incorporated in this, which allow the attachment of a knife tool (1) by means of screws and cone nuts (2) directly to the socket (3) without play. The ball bearing for receiving the rotor disc (9) can optionally be placed below the clamping mechanism (4).
In order to prevent contamination of the clamping mechanism (4), a cover plate (7) is installed between the knife tool (1) and the clamping mechanism (4).
Abbildung 8 zeigt die Anbringung eines im Vergleich zum Hauptmesser wesentlich verkleinerten Zusatzmessers an den Arm eines Messerwerkzeugs (1). Es wird mit Konusschrauben (2) seitlich auf den Messerarm aufgeschraubt. Die notwendige Stabilität bringt das Hauptmesser. Der Hauptmesserarm wird etwas kürzer gehalten und das Zusatzmesser wesentlich schwächer als das Hauptmesser ausgewählt.Figure 8 shows the attachment of an auxiliary blade, which is considerably smaller than the main blade, to the arm of a knife tool (1). It is screwed laterally onto the knife arm with cone screws (2). The necessary stability brings the main knife. The Hauptmesserarm is kept a little shorter and the additional knife much weaker than the main knife selected.
Abbildung 9 zeigt ebenfalls die Anbringung eines Zusatzmessers am Hauptmesser, allerdings hier ca. auf dem letzten Viertel der Hauptmesserlänge.Figure 9 also shows the attachment of an additional knife to the main knife, but here approximately in the last quarter of the main knife length.
Mit dieser Konstruktion wird ein effizienter Kraftfluß vom Spannmechanismus (4) hin zum Messerwerkzeug (1) ereicht, die Keilnutaufnahmen werden eingespart und die gelagerte Welle, außerdem die jeweiligen Halterungen für die Drehmomentaufnalime des Spannmechanismus (4) und des Messerwerkzeugs (1).With this construction, an efficient power flow from the tensioning mechanism (4) to the knife tool (1) is achieved, the keyway receptacles are saved and the bearing shaft, as well as the respective mounts for the Drehmomentaufnalime the clamping mechanism (4) and the knife tool (1).
Weiter bezieht sich die Erfindung auf einen vereinfachten Antrieb der Ein- und Auszugswalzen einer Lochrotorentrindungsmaschine und deren Befestigung.
Wenn eine Achse viele Auf - und Abwärtsbewegungen mit großem Hubvolumen bestreiten muß, wie das bei den Ein- und Auszugswalzen einer Lochrotorentrindungsmaschine der Fall ist, ist es notwendig, deren Achsmitte über einen Haltearm zu versetzen und die Drehmomente der Antriebswelle mit hohem technischen Aufwand auf die Walzenaufnahme zu übertragen.Further, the invention relates to a simplified drive of the intake and Auszugswalzen a Lochrotorentring machine and its attachment.
If one axis has many up and down movements with large Hubvolume must deny, as is the case with the input and Auszugswalzen a Lochrotorentrindungsmaschine, it is necessary to offset the center of the axle via a support arm and to transmit the torques of the drive shaft with high technical effort on the roller mount.
Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß der Kraftfluß für den Antrieb der Ein- und Auszugswalzen von einer Antriebswelle her über einen Haltearm ab dem Antriebszahnrad (B, s. Abb. 10) mittels Zahnradübersetzung direkt, ohne gelagerte Zwischenwellen, zur walzenaufnahme (F) verläuft. Der Haltearm setzt sich zusammen aus der Trägerbuchse (1), dem Längsträger (2) und dem auf dem Längsträger (2) angebrachten feststehenden Wellenzapfen (3). Dabei geht der Kraftfluß von der in der Trägerbuchse (1) gelagerten Welle (A) zum Antriebszahnrad (B), von diesem über mehrere Zwischenzahnräder C1 bis CX bis hin zum Endzahnrad (D), das am feststehenden am Längsträger (2) angeschweißten Wellenzapfen (3) gelagert ist.
Das Endzahnrad (D) weist eine wesentlich verlängerte Buchse (E) auf, die das Befestigen der Ein- und Auszugswalzen mit Konusmuttern erlaubt.
Durch diese Übersetzungen wird es möglich die Drehmomentsabtriebe direkt ohne Welle vom Antriebszahnrad (B) auf die Aufnahme für die Ein- und Auszugswalzen (F) zu übertragen.
Auf dem Längsträger (2) befinden sich im Ausführungsbeispiel der Abb. 1 ein feststehender Wellenzapfen (4). Auf ihm sitzt gelagert das die Kraft hin zum Endzahnrad (D) übertragende Zwischenzahnrad (C). Je nach der gewünschten Übersetzungsmöglichkeit können auch mehrere Wellenzapfen (4) mit den entsprechenden Zwischenzahnrädern (C) angebracht sein.
Auf dem feststehenden Wellenzapfen (3) ist die Buchse (E) gelagert und durch die Sicherungsmutter (J) gesichert.
Auf ihr befindet sich an einem Ende das Endzahnrad (D) und auf der gegenüberliegenden Seite die Aufnahme (F) für die Ein- und Auszugswalzen.
Die Wellenzapfen (3) und (4) sind am Längsträger (2) fest im rechten Winkel verankert.
Auf der Buchse (E) verläuft die Abdichtung zum Getriebe (H), die mit einem Abdeckdeckel (G) versehen ist.
An Stelle der Trägerbuchse (1) kann auch ein Kugellager eingesetzt werden.
Die erfindungsgemäße Antriebseinheit ist auch für alle anderen Anflanschungen für Abtriebe an Maschinen, Fahrzeugen, technischen Anlagen ..... einsetzbar, wie z. B. bei einem Rad ....According to the invention this object is achieved in that the power flow for driving the input and Auszugswalzen of a drive shaft via a support arm from the drive gear (B, see Fig. 10) by means of gear transmission directly, without stored intermediate shafts, for roller recording (F). runs. The holding arm is composed of the carrier bushing (1), the side member (2) and the stationary on the longitudinal beam (2) fixed shaft journals (3). In this case, the power flow of the in the support bushing (1) mounted shaft (A) to the drive gear (B), of this via a plurality of intermediate gears C 1 to C X up to the final gear (D), on the fixed to the side rail (2) welded Shaft journal (3) is mounted.
The end gear (D) has a substantially elongated bush (E), which allows the fastening of the feed and removal rollers with cone nuts.
Through these translations, it is possible to transmit the torque outputs directly without shaft from the drive gear (B) on the receptacle for the input and Auszugswalzen (F).
On the side member (2) are in the embodiment of Fig. 1, a fixed shaft journal (4). The intermediate gear (C), which transmits the force to the final gear (D), is mounted on it. Depending on the desired translation option also several shaft journals (4) with the corresponding intermediate gears (C) may be appropriate.
The bushing (E) is mounted on the fixed shaft journal (3) and secured by the locknut (J).
On it is located at one end of the final gear (D) and on the opposite side of the receptacle (F) for the intake and exhaust rollers.
The shaft journals (3) and (4) are firmly anchored to the longitudinal member (2) at right angles.
On the bushing (E), the seal extends to the gearbox (H), which is provided with a cover (G).
Instead of the carrier bushing (1) can also be used a ball bearing.
The drive unit according to the invention can also be used for all other flanges for power take-offs on machines, vehicles, technical equipment ....., such. B. at a wheel ....
Claims (17)
Das Gegengewicht (2) ist auf der gegenüberliegenden Seite zum Messerarm so an einem Punkt außerhalb der Achsmitte der Messerhaltewelle (4) angebracht, daß sich bei laufendem Rotor durch die Fliehkraft der jeweils erforderliche Druck der Messer hin zur Achsmitte des Rotors ergibt. Das Gegengewicht (2) ist in seiner Größe so auszulegen, daß der notwendige Messerdruck unter Berücksichtigung der auf es (2) wirkenden Fliehkräfte gewährleistet ist.Centrifugal force-tensioning device for the knife tools (1) (generally 2 - 8 pieces), a Lochrotorentrindungsmaschine consisting of a much heavier compared to the blade arm (2), which on the blade arm (1) opposite side of the blade holding shaft (4) is, characterized in that the mounted knife holding shafts (4) on the outer ring of the rotor (8) are mounted. The number of knife tools (1) can vary arbitrarily z. B. from 2 to 8 knives, as well as the direction of rotation of the rotor.
The counterweight (2) is mounted on the opposite side to the blade arm at a point outside the center of the knife support shaft (4) that results in the running rotor by the centrifugal force of the respective required pressure of the blade towards the center of the rotor. The counterweight (2) is to be interpreted in its size so that the necessary knife pressure is ensured taking into account the centrifugal forces acting on it (2).
Das Gegengewicht (2) kann bei zusätzlichem Einsatz der Hilfsmittel (6) etwas leichter gewählt werden, der prozentuale Anteil von Gegengewicht (2) und Hilfsmittel (6) zum Spannen und leichten Schliessen der Messerwerkzeuge beliebig.
Die Hilfsmittel (6) müssen bei geschlossenen Messern leicht vorgespannt sein.A tensioning device for the knife tools (1) of a hole rotor winding machine according to claim 3, characterized in that in addition to the weights (2) further auxiliary means (6) with low clamping force for clamping and closing the knife tools (1) such. As rubber bands, springs, hydraulic components .... are used. These aids (6) are suitably attached to the counterweight (2) and, depending on their nature and arrangement, can operate on this (2) on a thrust and traction basis.
The counterweight (2) can be slightly more easily selected with additional use of the aids (6), the percentage of counterweight (2) and aids (6) for clamping and easy closing of the knife tools arbitrarily.
The aids (6) must be slightly biased with closed knives.
An diesen versetzt zur Messerwellenachse angeordneten Gegengewichten (2 a) können wiederum die elastischen Hilfsmittel (6) und (7) aus Patentanspruch 4 und 5 (in Abb. 6 mit (11) bezeichnet) angebracht werden, je nach Anordnung - rechts oder links von der Messerwelle (4 a) unter Berücksichtigung des Hebelgesetzes - und Beschaffenheit auf Schubkraft- oder Zugkraftbasis, um die in Patentanspruch 4 und 5 beschriebenen Effekte erzielen zu können. Die Hilfsmittel (10) und (11) müssen immer leicht vorgespannt sein.A tensioning device for the knife tools (1) of a hole rotor winding machine, characterized in that the counterweight (2 a) is mounted offset from the knife shaft axis on the side of the rotor outer ring (8) facing away from the knife tools (1) (9) and via an elastic auxiliary device (10 ) is connected to the blade shaft (4 a) according to the law of levers. Depending on the nature and arrangement of the elastic aids (10) such. As rubber bands, springs and hydraulic components on the counterweight (2), they can work on thrust as well as on traction.
At this offset to the knife shaft axis arranged counterweights (2 a) can turn the elastic aids (6) and (7) of claim 4 and 5 (in Fig. 6 with (11)), depending on the arrangement - right or left of the blade shaft (4 a) taking into account the lever law - and condition on the basis of thrust or traction, in order to achieve the effects described in claim 4 and 5 can. The aids (10) and (11) must always be slightly biased.
Der Antrieb zwischen dem (Ketten)-Zahnrad (B) und dem Endzahnrad (D) kann auch mittels einer zwischen (B) und (D) verlaufenden Kette erfolgen.Drive unit for receiving the intake and Auszugswalzen on a Lochrotorentring machine, characterized in that mounted on the longitudinal beam (2) fixed shaft journals (4) or on these the intermediate gears (C) are mounted. Their number varies depending on the desired translation option.
The drive between the (chain) gear (B) and the final gear (D) can also be done by means of a running between (B) and (D) chain.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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EP20060006191 EP1704974B1 (en) | 2005-03-24 | 2006-03-24 | Biasing and fixing of the cutters of a debarking machine with annular rotor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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EP05006513 | 2005-03-24 | ||
EP20060006191 EP1704974B1 (en) | 2005-03-24 | 2006-03-24 | Biasing and fixing of the cutters of a debarking machine with annular rotor |
Publications (3)
Publication Number | Publication Date |
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EP1704974A2 true EP1704974A2 (en) | 2006-09-27 |
EP1704974A3 EP1704974A3 (en) | 2006-12-06 |
EP1704974B1 EP1704974B1 (en) | 2008-11-12 |
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EP20060006191 Not-in-force EP1704974B1 (en) | 2005-03-24 | 2006-03-24 | Biasing and fixing of the cutters of a debarking machine with annular rotor |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104381032A (en) * | 2014-09-22 | 2015-03-04 | 山东理工大学 | Winter jujube girdling machine |
CN104875263A (en) * | 2015-06-25 | 2015-09-02 | 吉首大学 | Screw drum screw propeller type mulberry twig peeling device |
CN110355847A (en) * | 2019-08-14 | 2019-10-22 | 陈品颖 | Apparatus for peeling off is used in a kind of processing of trees |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202009014887U1 (en) | 2009-12-18 | 2010-04-08 | Wiedemann, Josef | Lochrotorentrindungsmaschine |
DE202011000347U1 (en) | 2011-02-15 | 2011-06-09 | Wiedemann, Josef, 95367 | Lochrotorentrindungsmaschine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3058500A (en) * | 1959-08-31 | 1962-10-16 | Lloyd B Smith | Ring type debarker |
US3409057A (en) * | 1966-02-28 | 1968-11-05 | Anatoly Petrovich | Rotary-type machine for stripping bark from round wood |
JPS59127706A (en) * | 1983-01-10 | 1984-07-23 | 株式会社 石田鉄工所 | Method and device for barking material wood |
-
2006
- 2006-03-24 EP EP20060006191 patent/EP1704974B1/en not_active Not-in-force
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3058500A (en) * | 1959-08-31 | 1962-10-16 | Lloyd B Smith | Ring type debarker |
US3409057A (en) * | 1966-02-28 | 1968-11-05 | Anatoly Petrovich | Rotary-type machine for stripping bark from round wood |
JPS59127706A (en) * | 1983-01-10 | 1984-07-23 | 株式会社 石田鉄工所 | Method and device for barking material wood |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104381032A (en) * | 2014-09-22 | 2015-03-04 | 山东理工大学 | Winter jujube girdling machine |
CN104381032B (en) * | 2014-09-22 | 2016-03-09 | 山东理工大学 | A kind of Winter-date girdling machine |
CN104875263A (en) * | 2015-06-25 | 2015-09-02 | 吉首大学 | Screw drum screw propeller type mulberry twig peeling device |
CN110355847A (en) * | 2019-08-14 | 2019-10-22 | 陈品颖 | Apparatus for peeling off is used in a kind of processing of trees |
Also Published As
Publication number | Publication date |
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EP1704974B1 (en) | 2008-11-12 |
EP1704974A3 (en) | 2006-12-06 |
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