EP0623421A1 - Apparatus for one-sided shaping of tubular workpieces with different diameters - Google Patents

Apparatus for one-sided shaping of tubular workpieces with different diameters Download PDF

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Publication number
EP0623421A1
EP0623421A1 EP93119846A EP93119846A EP0623421A1 EP 0623421 A1 EP0623421 A1 EP 0623421A1 EP 93119846 A EP93119846 A EP 93119846A EP 93119846 A EP93119846 A EP 93119846A EP 0623421 A1 EP0623421 A1 EP 0623421A1
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EP
European Patent Office
Prior art keywords
deflection roller
axis
designed
spindle
support
Prior art date
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Granted
Application number
EP93119846A
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German (de)
French (fr)
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EP0623421B1 (en
Inventor
Jan-Jacob Landhuis
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Almi Machinefabriek BV
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Almi Machinefabriek BV
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Application filed by Almi Machinefabriek BV filed Critical Almi Machinefabriek BV
Priority to DE9320750U priority Critical patent/DE9320750U1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/007—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor for end faces of tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/16—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18—Accessories

Definitions

  • the invention relates to a device for the end molding of tubular workpieces with different diameters.
  • devices for notching tubular metal workpieces have been known for a long time and have the task of achieving a recess in the end part of a tube which is adapted to the tube diameter of the tube to be connected, so that thereby a full contact of the one tube on the wall of the other pipe.
  • the known manually operated device for notching pipes can only process three pipe diameters and, above all, only process pipes which are to be formed exactly perpendicular to the punch carrying the notching tools.
  • the invention has for its object to provide a mechanical device for the end molding of tubular workpieces, with which it is possible to grind pipes of any diameter with any desired angle.
  • the device performing this work should also work inexpensively and be inexpensive to produce.
  • Belt grinders are known to a large extent, for example also from US-PS 26 71 993.
  • these known machines usually do not have an easily exchangeable deflection roller, so that different grinding diameters can be created quickly therewith, and a support having a clamping device, so that angle settings possible are.
  • a device which essentially consists of a revolving sanding belt, that is to say is formed by a belt sanding machine, but the foremost role of this sanding machine can be replaced simply and quickly, so that it differs Diameters in the front deflection area of the grinding belt can be achieved.
  • this machine is equipped with a cross support, which makes it possible to feed the pipe to be shaped on the one hand to the front deflection roller of the grinding belt, on the other hand to move the pipe transversely in front of the front part of the grinding belt and, in addition, this cross support has a clamping device for clamping the pipe is preferably mounted on a disc which is rotatable about an axis, this axis being perpendicular to the axis of the front deflecting roller and perpendicular to an imaginary connecting line between the front deflecting roller and the rear deflecting roller.
  • Such a machine is also designed so that the front deflection roller can be replaced quickly and easily by deflection rollers of other diameters and thus the desired size of the formation in the tube to be formed can be achieved.
  • the machine according to the invention is designed so that the distance between the front deflection roller and the rear deflection roller can be changed so that the front roller can be removed by simply slackening the sanding belt and that the tension of the sanding belt is restored in the same way by simple manual operation can be.
  • 1 denotes a stand which carries a machine frame 38 which, in the exemplary embodiment shown, carries a drive motor 10 on the right side and a support 3 on the left side.
  • the drive motor 10 as also shown in FIG. 2, connects to the machine frame 38 via a carrier 23 with the interposition of a pivot bearing 6, the carrier 23 with the motor 10 being able to be pivoted about the pivot bearing 6.
  • This pivoting movement is prevented on the one hand and made possible on the other hand by a spindle 8, which carries a handwheel 7 on one end and connects the other end to the carrier 23, namely under Interposition of a swivel plate 40.
  • the spindle 8 runs in a spindle nut 24 carried by the machine frame 38. Between the swivel bearing 40 and the threaded area of the spindle 24, a spring 9 is inserted, which serves to compensate for the tension of an abrasive belt 2.
  • the grinding belt 2 is guided over a rear deflection roller 5 connected to the motor 10 and a front deflection roller 4.
  • the drawing in Fig. 1 clearly shows that the connecting shaft between the motor 10 and the rear pulley 5 is in an elongated hole guide 41, so that the change in length between the front pulley 4 and the rear pulley 5 are possible.
  • This design of the support makes it possible to fix pipes R of any diameter in the clamping device 18, to move the pipes parallel to the longitudinal axis of the front deflection roller 4 and, if appropriate, to simultaneously move the tube R towards the front deflection roller 4.
  • the clamping device 18 is connected to the cross slide 16 with the interposition of a disk 35 which can be rotated about an axis which is transverse to the axis of the front deflecting roller 4 and transverse to the imaginary connecting line between front pulley 4 and rear pulley 5 is aligned.
  • the edge of the disk 35 can be equipped with an angle marking so that the angle adjustment of the tube R can be easily checked.
  • the front deflection roller 4 is intended to be easily exchangeable for adaptation to different configurations A of a tube R , which is achieved by the arrangement shown on a larger scale in FIG. 5.
  • the two housing cheeks 25 and 26 can be seen in FIG. 5, wherein the housing cheek 25 can be an extension of the machine frame 38 recognizable in FIG. 2.
  • a bore 28 is provided in the housing cheek 25, while the front end of the housing wall 26 is designed as a fork, so that the fork space 27 is created.
  • 5 shows the front deflection roller 4, which has a shaft 39, this shaft 39 on both sides the deflection roller has 4 races 33.
  • Ball bearings or impellers 29 and 30 or 31 and 32 are arranged on the housing cheeks 25 and 26, so that when the shaft 39 of the front deflection roller 4 is inserted into the bore 28 and the opposite shaft end is inserted into the fork 27, the races 33 on the Impellers 29 and 30 or 31 and 32 come to rest. The shaft 39 of the front deflection roller 4 is now supported here.
  • FIGS. 6 to 8 Another embodiment in order to easily replace the front deflection roller for the purpose of adaptation to different configurations A of a tube R is shown in FIGS. 6 to 8.
  • the housing cheeks 25 and 26 have U-shaped receptacles 45 and 46, the open side of the U being directed forward in the exemplary embodiment shown.
  • pressure bearings can be seen in the illustration in FIG. 6, which — as is particularly clearly shown in FIG. 8 — consist of a ball 48 which is pressed upwards by a spring 49 over the inner surface of the U.
  • Such thrust bearings are provided both in the upper and in the lower leg of the U-shaped receptacles 45 and 46.
  • the deflection roller 4 is equipped at its shaft ends with races 47, which are preferably designed as ball bearings, and it is now possible - as shown in FIG. 6 - the front deflection roller 4 via the thrust bearing, that is, via the ball 48 in the direction on the lower end of the U-shaped Slide receptacles 45 and 46, with the balls 48 now holding the races 47 in place.
  • a deflection roller 4 is shown in FIG. 7, which has a much smaller diameter than the upper deflection roller 4, but the races 47 arranged on the shafts 39 have the same outside diameter.
  • the front housing cheek 26 is designed as an angle piece 44 which is carried by the machine frame 38.
  • tubes R of any diameter can be ground to any desired angle with the new device.
  • the front deflection roller 4 can be exchanged for other front deflection rollers 4 of the desired diameter in the simplest way.

Abstract

Die Erfindung bezieht sich auf eine Vorrichtung zum endseitigen Ausformen von rohrförmigen Werkstücken (R) mit einem umlaufend angetriebenen Schleifband (2), dessen vordere Umlenkrolle (4) dem Durchmesser der gewünschten Ausformung (A) entspricht und bei welcher diese vordere Umlenkrolle (4) leicht auswechselbar ist, wobei außerdem das auszuformende Rohr (R) auf einem als Kreuzsupport (3) ausgebildeten Support in einer Klemmvorrichtung angeordnet wird, die ihrerseits wiederum verdreht werden kann.The invention relates to a device for the end molding of tubular workpieces (R) with a rotating driven grinding belt (2), the front deflection roller (4) of which corresponds to the diameter of the desired formation (A) and in which this front deflection roller (4) is light is interchangeable, the tube (R) to be shaped also being arranged on a support designed as a cross support (3) in a clamping device which in turn can be rotated.

Description

Die Erfindung bezieht sich auf eine Vorrichtung zum endseitigen Ausformen von rohrförmigen Werkstücken mit unterschiedlichen Durchmessern.The invention relates to a device for the end molding of tubular workpieces with different diameters.

Wie die DE-27 09 418 C3 zeigt, sind Vorrichtungen zum Ausklinken von rohrförmigen Metallwerkstücken seit langem bekannt und haben die Aufgabe, eine dem Rohrdurchmesser des anzuschließenden Rohres angepaßte Ausnehmung in dem Endteil eines Rohres zu erzielen, so daß dadurch eine satte Anlage des einen Rohres an der Wandung des anderen Rohres erfolgt. Die bekannte handbetätigte Vorrichtung zum Ausklinken von Rohren kann dabei nur drei Rohrdurchmesser bearbeiten und vor allen Dingen nur Rohre bearbeiten, die genau senkrecht zu dem die Ausklinkwerkzeuge tragenden Stempel ausgeformt werden sollen.As DE-27 09 418 C3 shows, devices for notching tubular metal workpieces have been known for a long time and have the task of achieving a recess in the end part of a tube which is adapted to the tube diameter of the tube to be connected, so that thereby a full contact of the one tube on the wall of the other pipe. The known manually operated device for notching pipes can only process three pipe diameters and, above all, only process pipes which are to be formed exactly perpendicular to the punch carrying the notching tools.

Für größere Betriebe, bei denen häufig das Ausklinken von Rohren erforderlich ist und bei denen der Anschlußwinkel der beiden Rohre aneinander nicht unbedingt 90o beträgt, ist diese bekannte handbetätigte Vorrichtung nicht geeignet.For larger companies where pipe notching is often required and where the connection angle of the two tubes to each other is not necessarily 90 o , this known manual device is not suitable.

Der Erfindung liegt die Aufgabe zugrunde, eine maschinelle Vorrichtung zum endseitigen Ausformen von rohrförmigen Werkstücken zu schaffen, mit der es möglich ist, Rohre jeden Durchmessers mit jedem gewünschten Winkel anzuschleifen. Hierbei soll außerdem die diese Arbeit durchführende Vorrichtung kostengünstig arbeiten und kostengünstig erstellbar sein.The invention has for its object to provide a mechanical device for the end molding of tubular workpieces, with which it is possible to grind pipes of any diameter with any desired angle. Here, the device performing this work should also work inexpensively and be inexpensive to produce.

Diese der Erfindung zugrundeliegende Aufgabe wird durch die Lehre des Hauptanspruches gelöst.This object on which the invention is based is achieved by the teaching of the main claim.

Vorteilhafte Ausgestaltungen sind in den Unteransprüchen erläutert.Advantageous configurations are explained in the subclaims.

Bandschleifmaschinen sind in großem Umfang bekannt, beispielsweise auch aus der US-PS 26 71 993. Diese bekannten Maschinen haben aber üblicherweise weder eine leicht auswechselbare Umlenkrolle, so daß damit schnell unterschiedliche Schleifdurchmesser geschaffen werden können, noch einen eine Klemmvorrichtung aufweisenden Support, so daß Winkeleinstellungen möglich sind.Belt grinders are known to a large extent, for example also from US-PS 26 71 993. However, these known machines usually do not have an easily exchangeable deflection roller, so that different grinding diameters can be created quickly therewith, and a support having a clamping device, so that angle settings possible are.

Mit anderen Worten ausgedrückt wird demgegenüber aber gemäß der Erfindung eine Vorrichtung vorgeschlagen, die im wesentlichen aus einem umlaufenden Schleifband besteht, d. h. durch eine Bandschleifmaschine gebildet wird, wobei die vorderste Rolle dieser Schleifmaschine aber einfach und schnell ausgewechselt werden kann so daß dadurch unterschiedliche Durchmesser im vorderen Umlenkbereich des Schleifbandes erzielbar sind. Weiterhin wird diese Maschine mit einem Kreuzsupport ausgerüstet, der es ermöglicht, das auszuformende Rohr einerseits auf die vordere Umlenkrolle des Schleifbandes zuzuführen, andererseits das Rohr quer vor dem vorderen Teil des Schleifbandes zu verfahren und wobei zusätzlichdieser Kreuzsupport eine Klemmvorrichtung zum Festklemmen des Rohres aufweist, die vorzugsweise auf einer Scheibe montiert ist, die um eine Achse drehbar ist, wobei diese Achse senkrecht zur Achse der vorderen Umlenkrolle und senkrecht zu einer gedachten Verbindungslinie zwischen vorderer Umlenkrolle und hinterer Umlenkrolle steht.In other words, however, according to the invention, a device is proposed which essentially consists of a revolving sanding belt, that is to say is formed by a belt sanding machine, but the foremost role of this sanding machine can be replaced simply and quickly, so that it differs Diameters in the front deflection area of the grinding belt can be achieved. Furthermore, this machine is equipped with a cross support, which makes it possible to feed the pipe to be shaped on the one hand to the front deflection roller of the grinding belt, on the other hand to move the pipe transversely in front of the front part of the grinding belt and, in addition, this cross support has a clamping device for clamping the pipe is preferably mounted on a disc which is rotatable about an axis, this axis being perpendicular to the axis of the front deflecting roller and perpendicular to an imaginary connecting line between the front deflecting roller and the rear deflecting roller.

Eine solche Maschine ist weiterhin so ausgebildet, daß die vordere Umlenkrolle schnell und auf einfache Weise durch Umlenkrollen anderer Durchmesser zu ersetzen ist und damit die gewünschte Größe der Ausformung in dem aus zu formenden Rohr zu erreichen ist. Gleichzeitig wird die erfindungsgemäße Maschine dabei so ausgebildet, daß der Abstand zwischen vorderer Umlenkrolle und hinterer Umlenkrolle verändert werden kann, so daß durch ein einfaches Schlaffstellen des Schleifbandes die vordere Rolle entnommen werden kann und daß in gleicher Weise durch einfache Handbetätigung die Spannung des Schleifbandes wieder hergestellt werden kann.Such a machine is also designed so that the front deflection roller can be replaced quickly and easily by deflection rollers of other diameters and thus the desired size of the formation in the tube to be formed can be achieved. At the same time, the machine according to the invention is designed so that the distance between the front deflection roller and the rear deflection roller can be changed so that the front roller can be removed by simply slackening the sanding belt and that the tension of the sanding belt is restored in the same way by simple manual operation can be.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnungen erläutert. Die Zeichnungen zeigen dabei in

Fig. 1
eine Ansicht auf eine erfindungsgemäße Vorrichtung von der Seite gesehen, in
Fig. 2
eine Ansicht auf die erfindungsgemäße Vorrichtung von oben, in
Fig. 3
eine Ansicht gemäß der Linie 3 - 3 in Fig. 2, in
Fig. 4
in größerem Maßstab eine Ansicht auf den Kreuzsupport mit eingespanntem Rohr, in
Fig. 5
in nochmal größerem Maßstab die bei den vorderen Gehäusewangen des Maschinenrahmens mit ausgewechselter Umlenkrolle, in
Fig. 6
in einem der Fig. 5 entsprechenden Maßstab eine andere Ausführungsform der auswechselbaren Halterung der Umlenkrolle, in
Fig. 7
eine Umlenkrolle mit kleinerem Durchmesser und in
Fig. 8
in einem größeren Maßstab die untere Klemmvorrichtung.
An embodiment of the invention is explained below with reference to the drawings. The drawings show in
Fig. 1
a view of an inventive Device seen from the side, in
Fig. 2
a view of the device according to the invention from above, in
Fig. 3
a view along the line 3 - 3 in Fig. 2, in
Fig. 4
on a larger scale a view of the cross support with clamped tube, in
Fig. 5
on an even larger scale that at the front housing cheeks of the machine frame with exchanged pulley, in
Fig. 6
on a scale corresponding to FIG. 5 another embodiment of the exchangeable holder of the deflection roller, in
Fig. 7
a pulley with a smaller diameter and in
Fig. 8
on a larger scale the lower clamp.

In den Zeichnungen ist mit 1 ein Ständer bezeichnet, der einen Maschinenrahmen 38 trägt, der bei dem dargestellten Ausführungsbeispiel auf der rechten Seite einen Antriebsmotor 10 und auf der linken Seite einen Support 3 trägt. Der Antriebsmotor 10 schließt, wie dies auch Fig. 2 zeigt, über einen Träger 23 an den Maschinenrahmen 38 unter Zwischenschaltung eines Schwenklagers 6 an, wobei der Träger 23 mit dem Motor 10 um das Schwenklager 6 geschwenkt werden kann. Diese Schwenkbewegung wird einerseits verhindert und andererseits ermöglicht durch eine Spindel 8, die einenendes ein Handrad 7 trägt und anderenendes an den Träger 23 anschließt, und zwar unter Zwischenschaltung einer Schwenkplatte 40. Die Spindel 8 führt sich in einer vom Maschinenrahmen 38 getragenen Spindelmutter 24. Zwischen dem Schwenklager 40 und dem mit Gewinde versehenen Bereich der Spindel 24 ist eine Feder 9 eingeschaltet, die zum Ausgleich der Spannung eines Schleifbandes 2 dient.In the drawings, 1 denotes a stand which carries a machine frame 38 which, in the exemplary embodiment shown, carries a drive motor 10 on the right side and a support 3 on the left side. The drive motor 10, as also shown in FIG. 2, connects to the machine frame 38 via a carrier 23 with the interposition of a pivot bearing 6, the carrier 23 with the motor 10 being able to be pivoted about the pivot bearing 6. This pivoting movement is prevented on the one hand and made possible on the other hand by a spindle 8, which carries a handwheel 7 on one end and connects the other end to the carrier 23, namely under Interposition of a swivel plate 40. The spindle 8 runs in a spindle nut 24 carried by the machine frame 38. Between the swivel bearing 40 and the threaded area of the spindle 24, a spring 9 is inserted, which serves to compensate for the tension of an abrasive belt 2.

Das Schleifband 2 wird über eine hintere, mit dem Motor 10 verbundene Umlenkrolle 5 und eine vordere Umlenkrolle 4 geführt. Die Zeichnung in Fig. 1 zeigt dabei deutlich, daß die Verbindungswelle zwischen dem Motor 10 und der hinteren Umlenkrolle 5 in einer Langlochführung 41 liegt, so daß die Längenänderung zwischen vorderer Umlenkrolle 4 und hinterer Umlenkrolle 5 möglich sind.The grinding belt 2 is guided over a rear deflection roller 5 connected to the motor 10 and a front deflection roller 4. The drawing in Fig. 1 clearly shows that the connecting shaft between the motor 10 and the rear pulley 5 is in an elongated hole guide 41, so that the change in length between the front pulley 4 and the rear pulley 5 are possible.

Im linken Bereich des Maschinenrahmens 38 ist ein Support 3 vorgesehen, der im wesentlichen aus drei einzelnen Elementen besteht, nämlich

  • 1. einem Längsschlitten 14, dessen Verstellung über ein Handrad 15 erfolgen kann und der dadurch gegenüber der vorderen Umlenkrolle 11 hin- und herbewegt werden kann,
  • 2. einem Querschlitten 16, der über ein Handrad 17 betätigt wird und der parallel zur Achse der vorderen Umlenkrolle 4 hin und her verstellt werden kann,
  • 3. einer Klemmvorrichtung 18, die aus einer feststehenden Klemmbacke 19 und einer beweglichen Klemmbacke 20 besteht, wobei die bewegliche Klemmbacke 20 über eine Spindel 22 hin- und hergeschoben werden kann, wobei die Spindel 22 einen Handgriff 21 aufweist.
In the left area of the machine frame 38, a support 3 is provided, which essentially consists of three individual elements, namely
  • 1. a longitudinal slide 14, the adjustment of which can take place via a handwheel 15 and which can thereby be moved back and forth relative to the front deflection roller 11,
  • 2. a cross slide 16 which is actuated by a handwheel 17 and which can be adjusted back and forth parallel to the axis of the front deflection roller 4,
  • 3. A clamping device 18, which consists of a fixed jaw 19 and a movable jaw 20, wherein the movable jaw 20 can be pushed back and forth via a spindle 22, the spindle 22 has a handle 21.

Durch diese Ausbildung des Supports ist es möglich, Rohre R jeden Durchmessers in der Klemmvorrichtung 18 festzulegen, die Rohre parallel zur Längsachse der vorderen Umlenkrolle 4 zu verschieben und ggf. gleichzeitig das Rohr R auf die vordere Umlenkrolle 4 zu zu bewegen.This design of the support makes it possible to fix pipes R of any diameter in the clamping device 18, to move the pipes parallel to the longitudinal axis of the front deflection roller 4 and, if appropriate, to simultaneously move the tube R towards the front deflection roller 4.

Um nunmehr auch unterschiedliche Winkelausformungen des Rohres R vornehmen zu können, erfolgt der Anschluß der Klemmvorrichtung 18 an den Querschlitten 16 unter Zwischenschaltung einer Scheibe 35, die um eine Achse gedreht werden kann, die quer zur Achse der vorderen Umlenkrolle 4 und quer zur gedachten Verbindungslinie zwischen vorderer Umlenkrolle 4 und hinterer Umlenkrolle 5 ausgerichtet ist. Wie dies Fig. 3 zeigt, kann dabei der Rand der Scheibe 35 mit einer Winkelmarkierung ausgerüstet sein, so daß ein leichtes Kontrollieren der Winkeleinstellung des Rohres R möglich ist.In order to now also be able to make different angular configurations of the tube R , the clamping device 18 is connected to the cross slide 16 with the interposition of a disk 35 which can be rotated about an axis which is transverse to the axis of the front deflecting roller 4 and transverse to the imaginary connecting line between front pulley 4 and rear pulley 5 is aligned. As shown in FIG. 3, the edge of the disk 35 can be equipped with an angle marking so that the angle adjustment of the tube R can be easily checked.

Die vordere Umlenkrolle 4 soll zwecks Anpassung an verschiedene Ausformungen A eines Rohres R leicht auswechselbar sein, was durch die im größeren Maßstab in Fig. 5 dargestellte Anordnung erreicht wird. In Fig. 5 sind die beiden Gehäusewangen 25 und 26 erkennbar, wobei die Gehäusewange 25 eine Verlängerung des in Fig. 2 erkennbaren Maschinenrahmens 38 sein kann. In der Gehäusewange 25 ist eine Bohrung 28 vorgesehen, während das vordere Ende der Gehäusewandung 26 als Gabel ausgebildet ist, so daß der Gabelfreiraum 27 geschaffen wird. In Fig. 5 ist die vordere Umlenkrolle 4 erkennbar, die eine Welle 39 aufweist, wobei diese Welle 39 auf beiden Seiten der Umlenkrolle 4 Laufringe 33 besitzt. An den Gehäusewangen 25 und 26 sind Kugellager oder Laufräder 29 und 30 bzw. 31 und 32 angeordnet, so daß bei Einsetzen der Welle 39 der vorderen Umlenkrolle 4 in die Bohrung 28 und Einschieben des gegenüberliegenden Wellenendes in die Gabel 27 nunmehr die Laufringe 33 an den Laufrädern 29 und 30 bzw. 31 und 32 zur Anlage kommen. Hier stützt sich nun die Welle 39 der vorderen Umlenkrolle 4 ab.The front deflection roller 4 is intended to be easily exchangeable for adaptation to different configurations A of a tube R , which is achieved by the arrangement shown on a larger scale in FIG. 5. The two housing cheeks 25 and 26 can be seen in FIG. 5, wherein the housing cheek 25 can be an extension of the machine frame 38 recognizable in FIG. 2. A bore 28 is provided in the housing cheek 25, while the front end of the housing wall 26 is designed as a fork, so that the fork space 27 is created. 5 shows the front deflection roller 4, which has a shaft 39, this shaft 39 on both sides the deflection roller has 4 races 33. Ball bearings or impellers 29 and 30 or 31 and 32 are arranged on the housing cheeks 25 and 26, so that when the shaft 39 of the front deflection roller 4 is inserted into the bore 28 and the opposite shaft end is inserted into the fork 27, the races 33 on the Impellers 29 and 30 or 31 and 32 come to rest. The shaft 39 of the front deflection roller 4 is now supported here.

Eine andere Ausführungsform, um die vordere Umlenkrolle zwecks Anpassung an verschiedene Ausformungen A eines Rohres R leicht auszuwechseln, ist in den Fig. 6 bis 8 dargestellt. Hierbei tragen die Gehäusewangen 25 und 26 U-förmige Aufnahmen 45 und 46, wobei bei dem dargstellten Ausführungsbeispiel die offene Seite des U's nach vorne gerichtet ist. Selbstverständlich ist es auch möglich, das "U" in einer anderen Richtung auszurichten. An den vorderen Enden des U's sind bei der Darstellung in Fig. 6 Drucklager erkennbar, die - wie dies besonders deutlich Fig. 8 zeigt - aus einer Kugel 48 bestehen, die von einer Feder 49 nach oben über die Innenfläche des U's gedrückt wird.Another embodiment in order to easily replace the front deflection roller for the purpose of adaptation to different configurations A of a tube R is shown in FIGS. 6 to 8. Here, the housing cheeks 25 and 26 have U-shaped receptacles 45 and 46, the open side of the U being directed forward in the exemplary embodiment shown. Of course, it is also possible to align the "U" in a different direction. At the front ends of the U, pressure bearings can be seen in the illustration in FIG. 6, which — as is particularly clearly shown in FIG. 8 — consist of a ball 48 which is pressed upwards by a spring 49 over the inner surface of the U.

Sowohl im oberen wie im unteren Schenkel der U-förmigen Aufnahmen 45 und 46 sind solche Drucklager vorgesehen.Such thrust bearings are provided both in the upper and in the lower leg of the U-shaped receptacles 45 and 46.

Die Umlenkrolle 4 ist an ihren Wellenenden mit Laufringen 47 ausgerüstet, die vorzugsweise als Kugellager ausgebildet sind, und es ist möglich, nunmehr - wie dies die Fig. 6 zeigt - die vordere Umlenkrolle 4 über die Drucklager, d. h. also über die Kugel 48 in Richtung auf das untere Ende der U-förmigen Aufnahmen 45 und 46 zu schieben, wobei nunmehr die Kugeln 48 die Laufringe 47 festhalten.The deflection roller 4 is equipped at its shaft ends with races 47, which are preferably designed as ball bearings, and it is now possible - as shown in FIG. 6 - the front deflection roller 4 via the thrust bearing, that is, via the ball 48 in the direction on the lower end of the U-shaped Slide receptacles 45 and 46, with the balls 48 now holding the races 47 in place.

Zur Verdeutlichung des Erfindungsgedankens ist in Fig. 7 eine Umlenkrolle 4 dargestellt, die einen wesentlich geringeren Durchmesser als die obere Umlenkrolle 4 aufweist, wobei aber die auf den Wellen 39 angeordneten Laufringe 47 gleichen Außendurchmesser aufweisen.To illustrate the inventive concept, a deflection roller 4 is shown in FIG. 7, which has a much smaller diameter than the upper deflection roller 4, but the races 47 arranged on the shafts 39 have the same outside diameter.

Anschließend ist es möglich, das schlaffgestellte Schleifband 2 wieder über die vordere Umlenkrolle 4 zu schieben und durch Verstellen des Motors 10 bzw. der hinteren Umlenkrolle 5 durch Betätigen des Handrades 7 und der Spindel 8 das Schleifband 2 wieder stramm zu ziehen, so daß erneut gearbeitet werden kann.It is then possible to push the slackened sanding belt 2 again over the front deflection roller 4 and to pull the sanding belt 2 tight again by adjusting the motor 10 or the rear deflection roller 5 by actuating the handwheel 7 and the spindle 8, so that work is carried out again can be.

Um das leichte Abziehen des Schleifbandes zu ermöglichen, ist die vordere Gehäusewange 26 als Winkelstück 44 ausgebildet, das von dem Maschinenrahmen 38 getragen wird.In order to enable easy removal of the grinding belt, the front housing cheek 26 is designed as an angle piece 44 which is carried by the machine frame 38.

Aus der Beschreibung des Ausführungsbeispieles ist erkennbar, daß mit der neuen Vorrichtung Rohre R jeden Durchmessers auf jeden gewünschten Winkel ausgeschliffen werden können. Die vordere Umlenkrolle 4 kann gegen andere vordere Umlenkrollen 4 des erwünschten Durchmessers in einfachster Weise ausgetauscht werden.From the description of the embodiment it can be seen that tubes R of any diameter can be ground to any desired angle with the new device. The front deflection roller 4 can be exchanged for other front deflection rollers 4 of the desired diameter in the simplest way.

Claims (13)

Vorrichtung zum endseitigen Ausformen von rohrförmigen Werkstücken mit unterschiedlichen Durchmessern, gekennzeichnet durch a) ein umlaufend angetriebenes Schleifband (2), dessen vordere Umlenkrolle (4) dem Durchmesser der Ausformung (A) entspricht und b) einen das auszuformende Rohr (R) auf einem Längsschlitten (14) in einer Klemmvorrichtung (18) tragenden und festlegenden Support (3), der an die vordere Umlenkrolle (4) des Schleifbandes heranfahrbar ist. c) zwei vordere Gehäusewangen (25, 26), die zur auswechselbaren Lagerung der vorderen Umlenkrolle (4) Aufnahmen (27, 28; 45, 46) aufweisen, aus denen nach Lockerung des umlaufenden Schleifbandes (2) eine Umlenkrolle (4) leicht entnommen und eine Umlenkrolle (4) leicht einsetzbar ist. Device for the end molding of tubular workpieces with different diameters, characterized by a) a rotating driven grinding belt (2), the front deflection roller (4) corresponds to the diameter of the formation (A) and b) a support (3) which supports and fixes the pipe (R) to be formed on a longitudinal slide (14) in a clamping device (18), which can be moved up to the front deflection roller (4) of the grinding belt. c) two front housing cheeks (25, 26) which have receptacles (27, 28; 45, 46) for the interchangeable mounting of the front deflection roller (4), from which a deflection roller (4) is easily removed after loosening the rotating abrasive belt (2) and a deflection roller (4) is easy to use. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Aufnahmen (45, 46) als U-Körper ausgebildet sind und an den Achsen der Umlenkrollen (4) Laufringe (47) angeordnet sind, die in die Aufnahmen (45, 46) einsetzbar sind.Apparatus according to claim 1, characterized in that the receptacles (45, 46) are designed as U-shaped bodies and races (47) are arranged on the axes of the deflecting rollers (4) and can be inserted into the receptacles (45, 46). Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Laufringe (47) als Kugellagerlaufringe ausgebildet sind.Device according to claim 2, characterized in that the races (47) are designed as ball bearing races. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Lagerung für die vordere Umlenkrolle (11) gebildet ist aus a) zwei Gehäusewangen (25, 26), die vom Maschinenrahmen (38) getragen sind und von denen wenigstens eine als Gabel (27) ausgebildet ist und die andere eine Bohrung (28) aufweist, b) je zwei der Bohrung (28) und der Gabel (27) zugeordnete Lagerräder (29, 30; 31, 32), die an Laufringen (33) der Welle (39) der Umlenkrolle (4) zur Anlage kommen können. Apparatus according to claim 1, characterized in that the bearing for the front deflection roller (11) is formed from a) two housing cheeks (25, 26) which are carried by the machine frame (38) and of which at least one is designed as a fork (27) and the other has a bore (28), b) two each of the bore (28) and the fork (27) associated bearing wheels (29, 30; 31, 32), which can come to rest on races (33) of the shaft (39) of the deflection roller (4). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Support (3) als Kreuzsupport ausgebildet und zusätzlich einen auf dem Längsschlitten (14) verschiebbar angeordneten Querschlitten (16) trägt.Device according to claim 1, characterized in that the support (3) is designed as a cross support and additionally carries a cross slide (16) which is displaceably arranged on the longitudinal slide (14). Vorrichtung nach Anspruch 1 oder 5, dadurch gekennzeichnet, daß die Klemmvorrichtung (18) durch eine ortsfeste Widerlagerbacke (19) und eine bewegliche Klemmbacke (20) gebildet ist, wobei die bewegliche Klemmbacke (20) als Spindel betätigter Schlitten ausgebildet ist.Apparatus according to claim 1 or 5, characterized in that the clamping device (18) is formed by a stationary abutment jaw (19) and a movable clamping jaw (20), the movable clamping jaw (20) being designed as a spindle-actuated slide. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Klemmvorrichtung (18) auf dem Support (3) um eine senkrecht zur Achse der vorderen Umlenkrolle (11) ausgerichtete sowohl quer zur Verschiebeachse des Längsschlittens (14) als auch quer zur Verschiebeachse des Querschlittens (16) gerichtete Achse schwenkbar ist.Device according to one of the preceding claims, characterized in that the clamping device (18) on the support (3) about a perpendicular to the axis of the front deflection roller (11) oriented both transversely to the axis of displacement of the longitudinal slide (14) and transversely to the axis of displacement of the cross-slide (16) directional axis is pivotable. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß die Klemmvorrichtung (18) von einer Scheibe (35) getragen ist, die mittels Blockiermittel (36, 37) in ihrer Lage festlegbar ist.Device according to claim 7, characterized in that the clamping device (18) is carried by a disc (35) which can be fixed in position by means of blocking means (36, 37). Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die hintere Umlenkrolle (5) als Antriebsrolle ausgebildet ist und zusammen mit einem Motor (10) um ein Schwenklager (6) derart schwenkbar ist, daß dadurch der Abstand zwischen der Achse der hinteren Umlenkrolle (5) und der Achse der vorderen Umlenkrolle (4) veränderbar ist.Device according to one of the preceding claims, characterized in that the rear deflection roller (5) is designed as a drive roller and, together with a motor (10), can be pivoted about a pivot bearing (6) in such a way that the distance between the axis of the rear deflection roller ( 5) and the axis of the front deflection roller (4) can be changed. Vorrichtung nach einem der vorhergehenden Ansprüche, gekennzeichnet durch eine handbetätigbare Spindel (8) für die Schwenkbewegung des das Schwenklager (6) und den Motor (10) tragenden Trägers (23).Device according to one of the preceding claims, characterized by a manually operable spindle (8) for the pivoting movement of the carrier (23) carrying the pivot bearing (6) and the motor (10). Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, daß die Spindel (8) sich in einer am Maschinenrahmen (38) gelagerten Spindelmutter (24) führt und unter Zwischenschaltung einer Wendelfeder (9) an den Träger (23) anschießt.Device according to claim 10, characterized in that the spindle (8) is guided in a spindle nut (24) mounted on the machine frame (38) and connects to the support (23) with the interposition of a helical spring (9). Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, daß der Anschluß der Spindel (8) am Träger (23) um eine quer zur Spindelachse ausgerichtete, aber parallel zur Achse des Schwenklagers (6) ausgerichtete Achse erfolgt.Apparatus according to claim 11, characterized in that the spindle (8) is connected to the carrier (23) about an axis which is oriented transversely to the spindle axis but is parallel to the axis of the pivot bearing (6). Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die vordere Gehäusewange (26) als Winkelstück (44) ausgebildet ist, das von dem Maschinenrahmen (38) getragen ist.Device according to one of the preceding claims, characterized in that the front housing cheek (26) is designed as an angle piece (44) which is carried by the machine frame (38).
EP93119846A 1993-04-02 1993-12-09 Apparatus for one-sided shaping of tubular workpieces with different diameters Expired - Lifetime EP0623421B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9320750U DE9320750U1 (en) 1993-04-02 1993-12-09 Device for the end molding of tubular workpieces with different diameters

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4310887A DE4310887B4 (en) 1993-04-02 1993-04-02 Device for the end molding of tubular workpieces with different diameters
DE4310887 1993-04-02

Publications (2)

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EP0623421A1 true EP0623421A1 (en) 1994-11-09
EP0623421B1 EP0623421B1 (en) 1995-12-06

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US (1) US5357714A (en)
EP (1) EP0623421B1 (en)
JP (1) JPH06285760A (en)
DE (2) DE4310887B4 (en)
ES (1) ES2081172T3 (en)
PL (1) PL172341B1 (en)

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CN110977489A (en) * 2019-12-25 2020-04-10 潘桂忠 Full-automatic processing equipment of aluminium alloy

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CN110977489A (en) * 2019-12-25 2020-04-10 潘桂忠 Full-automatic processing equipment of aluminium alloy

Also Published As

Publication number Publication date
ES2081172T3 (en) 1996-02-16
JPH06285760A (en) 1994-10-11
EP0623421B1 (en) 1995-12-06
DE4310887A1 (en) 1994-10-06
DE4310887B4 (en) 2004-09-09
DE59301110D1 (en) 1996-01-18
PL172341B1 (en) 1997-09-30
US5357714A (en) 1994-10-25

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