EP0623421B1 - 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
EP0623421B1
EP0623421B1 EP93119846A EP93119846A EP0623421B1 EP 0623421 B1 EP0623421 B1 EP 0623421B1 EP 93119846 A EP93119846 A EP 93119846A EP 93119846 A EP93119846 A EP 93119846A EP 0623421 B1 EP0623421 B1 EP 0623421B1
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EP
European Patent Office
Prior art keywords
axis
deflection roll
spindle
constructed
support
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Expired - Lifetime
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EP93119846A
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German (de)
French (fr)
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EP0623421A1 (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 an inexpensive belt grinder for the end molding of tubular workpieces, so that it is possible to bring pipes of any diameter and length to the grinding belt and make different sizes of a pipe end.
  • Belt grinders are known to a large extent, for example also from US-PS 26 71 993.
  • this known machine usually has neither easily exchangeable deflection rollers of different diameters, so that different grinding diameters could be created quickly, nor a support having a clamping device. which can be moved up to the deflection roller causing the grinding.
  • 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 this results in different Diameter deflection rollers can be used and thus different diameters can be quickly achieved in the front deflection area of the grinding belt.
  • this machine is equipped with a support, preferably a cross support, which has a clamping device for clamping the pipe and which enables the pipe to be formed to be fed to the front deflection roller of the grinding belt on the one hand and the pipe to be moved transversely in front of the front part of the grinding belt and in addition the clamping device can be mounted on a disc which is rotatable about an axis, this axis being perpendicular to the axis of the front deflection roller and perpendicular to an imaginary connecting line between the front deflection roller and the rear deflection roller.
  • 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-hand side and a support 3 on the left-hand 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 deflection 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 front 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.
  • Each front deflection roller is equipped at its shaft ends with races 47, which are preferably designed as ball bearings, and it is possible, as shown in FIG. 6, the front deflection roller 4 via the thrust bearing, that is to say via the ball 48 in the direction on the lower end of the U-shaped To push recordings 45 and 46, with the balls 48 now holding the races 47.
  • FIG. 7 Another front deflection roller 4a 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 outer 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 4a of the desired diameter in the simplest way.

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 kostengünstig erstellbare Bandschleifmaschine zum endseitigen Ausformen von rohrförmigen Werkstücken auszubilden, so daß es möglich ist, Rohre jeden Durchmessers und jeder Länge an das Schleifband heranzuführen und unterschiedlich große Ausformungen eines Rohrendes vorzunehmen.The invention has for its object to provide an inexpensive belt grinder for the end molding of tubular workpieces, so that it is possible to bring pipes of any diameter and length to the grinding belt and make different sizes of a pipe end.

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 bekannte Maschine hat aber üblicherweise weder leicht auswechselbare Umlenkrollen unterschiedlichen Durchmessers, so daß damit schnell unterschiedliche Schleifdurchmesser geschaffen werden könnten, noch einen eine Klemmvorrichtung aufweisenden Support. der an die die Ausschleifung bewirkende Umlenkrolle heranfahrbar ist.Belt grinders are known to a large extent, for example also from US-PS 26 71 993. However, this known machine usually has neither easily exchangeable deflection rollers of different diameters, so that different grinding diameters could be created quickly, nor a support having a clamping device. which can be moved up to the deflection roller causing the grinding.

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 aufweisende Umlenkrollen eingesetzt werden können und somit schnell unterschiedliche Durchmesser im vorderen Umlenkbereich des Schleifbandes erzielbar sind. Weiterhin wird diese Maschine mit einem Support, vorzugsweise einem Kreuzsupport ausgerüstet, der eine Klemmvorrichtung zum Festklemmen des Rohres aufweist und 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 zusätzlich die Klemmvorrichtung auf einer Scheibe montiert sein kann, 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 this results in different Diameter deflection rollers can be used and thus different diameters can be quickly achieved in the front deflection area of the grinding belt. Furthermore, this machine is equipped with a support, preferably a cross support, which has a clamping device for clamping the pipe and which enables the pipe to be formed to be fed to the front deflection roller of the grinding belt on the one hand and the pipe to be moved transversely in front of the front part of the grinding belt and in addition the clamping device can be mounted on a disc which is rotatable about an axis, this axis being perpendicular to the axis of the front deflection roller and perpendicular to an imaginary connecting line between the front deflection roller and the rear deflection roller.

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.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.

Ausführungsbeispiele der Erfindung werden 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.
Embodiments of the invention are 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-hand side and a support 3 on the left-hand 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 4 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 4,
  • 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 deflection 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 vorderen 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 front 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.

Jede vordere Umlenkrolle 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.Each front deflection roller is equipped at its shaft ends with races 47, which are preferably designed as ball bearings, and it is possible, as shown in FIG. 6, the front deflection roller 4 via the thrust bearing, that is to say via the ball 48 in the direction on the lower end of the U-shaped To push recordings 45 and 46, with the balls 48 now holding the races 47.

Zur Verdeutlichung des Erfindungsgedankens ist in Fig. 7 eine andere vordere Umlenkrolle 4a 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 concept of the invention, another front deflection roller 4a 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 outer 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 4a 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 4a of the desired diameter in the simplest way.

Claims (13)

  1. A device for end shaping of tubular workpieces with different diameters, characterized by
    a) a revolvingly driven abrasive belt (2), the front deflection roll (4) of which corresponds to the diameter of the shaped portion (A),
    b) a set of deflection rolls (4, 4a) of different diameters,
    c) a support (3) supporting and fixing the tube (R) to be shaped on a longitudinal slide (14) in a clamping device (18), which support (3) is capable of being brought up to the front deflection roll (4) of the abrasive belt,
    d) two front housing cheeks (25, 26) comprising receptacles (27, 28; 45, 46) for replaceable mounting of the front deflection roll (4, 4a), from which receptacles (27, 28; 45, 46), after loosening of the revolving abrasive belt (2), a deflection roll (4) may be easily removed and another deflection roll (4a) of a different diameter may be easily inserted.
  2. A device according to claim 1, characterized in that the receptacles (45, 46) are constructed as U-shaped members and in that on the shafts of the deflection rolls (4, 4a) there are arranged bearing races (47) which may be inserted into the receptacles (45, 46).
  3. A device according to claim 2, characterized in that the bearing races (47) are constructed as ball bearing races.
  4. A device according to claim 1, characterized in that the mounting for the front deflection roll (4, 4a) is formed of
    a) two housing cheeks (25, 26) which are carried by the machine frame (38) and of which at least one is formed as a fork (27), the other comprising a bore (28),
    b) two bearing wheels (29, 30; 31, 32) associated with the bore (28) and the fork (27) respectively and being capable of coming to rest on bearing races (33) of the shaft (39) of the deflection roll (4, 4a).
  5. A device according to claim 1, characterized in that the support (3) is constructed as a cruciform support and additionally carries a cross slide (16) arranged displaceably on the longitudinal slide (14).
  6. A device according to claim 1 or claim 5, characterized in that the clamping device (18) is formed of a stationary abutment jaw (19) and a movable clamping jaw (20), the movable clamping jaw (20) being constructed as a spindle-actuated carriage.
  7. A device according to any one of the preceding claims, characterized in that the clamping device (18) is swivellable on the support (3) about an axis oriented perpendicularly to the axis of the front deflection roll (4, 4a) and directed both perpendicularly to the axis of displacement of the longitudinal carriage (14) and perpendicularly to the axis of displacement of the cross carriage (16).
  8. A device according to claim 7, characterized in that the clamping device (18) is supported by a disk (35) which may be fixed in position by means of blocking means (36, 37).
  9. A device according to any one of the preceding claims, characterized in that the rear deflection roll (5) is constructed as a drive roll and is swivellable, together with a motor (10), about a swivel bearing (6) in such a way that the distance between the axis of the rear deflection roll (5) and the axis of the front deflection roll (4, 4a) may thereby be altered.
  10. A device according to any one of the preceding claims, characterized by a hand-operable spindle (8) for the swivel movement of the bearer (23) carrying the swivel bearing (6) and the motor (10).
  11. A 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 is connected to the bearer (23) through the intermediary of a spiral coiled spring (9).
  12. A device according to claim 11, characterized in that connection of the spindle (8) to the bearer (23) is effected about an axis perpendicular to the spindle axis but parallel with the axis of the swivel bearing (6).
  13. A device according to any one of the preceding claims, characterized in that the front housing cheek (26) is constructed 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)

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

Family

ID=6484608

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93119846A Expired - Lifetime EP0623421B1 (en) 1993-04-02 1993-12-09 Apparatus for one-sided shaping of tubular workpieces with different diameters

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111469008A (en) * 2020-03-10 2020-07-31 孟燕飞 Corner processing device for rough machining of stainless steel parts and processing method thereof

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3764272D1 (en) * 1987-10-05 1990-09-13 Bendix Espana STEERING MECHANISM WITH VARIABLE TRANSLATION RATIO.
DE19635404C2 (en) * 1996-08-31 2000-06-21 Rheinmetall W & M Gmbh Method and electrode for deburring and / or rounding sharp-edged transitions in smoke extraction bores in gun barrels
FR2784321B1 (en) * 1998-10-07 2000-11-10 Alstom Technology MACHINE FOR MACHINING A TUBE END
ITRM20010553A1 (en) * 2001-09-12 2003-03-12 New Tech Srl PIECE HOLDER TABLE FOR SANDING MACHINE.
ITRM20010677A1 (en) * 2001-11-15 2003-05-15 New Tech Srl SANDING MACHINE FOR TUBULAR PIECES EXTREMITY SOCKETS USED FOR GENERAL GRINDING.
ITRM20020499A1 (en) * 2002-10-04 2004-04-05 Nuova Cmls R L Ora Cml Internationa L S P A SHAPING PULLEY GROUP FOR BELT SHAPING MACHINE.
DE202004000104U1 (en) * 2004-01-06 2004-04-29 Multi-Tool A/S Belt grinder, preferably for combination with an attachment for grinding pipe ends
DE102006007709B4 (en) * 2006-02-14 2019-01-31 C. & E. Fein Gmbh belt sander
DE102007027593A1 (en) * 2007-06-12 2008-12-18 Thyssenkrupp Steel Ag Semi-finished product or plate addition, particularly to junction structure, and for manufacturing junction structure of framework construction of motor vehicle, involves connecting joining surfaces of two semi-finished products or plates
US8512096B2 (en) * 2007-12-07 2013-08-20 General Electric Company System for removing material from components
US20090144958A1 (en) * 2007-12-07 2009-06-11 Robert Allan Ahti Method of manufacturing interchangeable tools
US7621800B1 (en) * 2008-09-13 2009-11-24 J & T Machinery Co., Ltd. Belt grinding machine with a belt adjusting device
KR200460800Y1 (en) * 2008-10-01 2012-06-12 정자영 grinding machine for pipe using belt type sandpaper
DE102010034516A1 (en) * 2010-08-16 2012-02-16 Horst Osthoff Device, particularly for front side deburring of rotary parts or for edge milling of work pieces, has processing table provided with through opening for tool access
CN102990494B (en) * 2011-09-08 2015-05-13 莱州市鑫岳机械有限公司 Small multifunction belt sander
US9067294B2 (en) * 2011-11-30 2015-06-30 United Technologies Corporation Coating removal apparatus
CN102848314A (en) * 2012-08-10 2013-01-02 浙江腾云制冷科技有限公司 Pipe grinding machine driving device for chamfering machine
WO2017069696A1 (en) * 2015-10-21 2017-04-27 Singapore Technologies Aerospace Ltd A grinding module, a grinding machine and a method for grinding
CN106112752B (en) * 2016-06-29 2017-12-26 重庆大学 Suitable for the sbrasive belt grinding center of blisk holotype face polishing processing
CN107855891A (en) * 2017-12-07 2018-03-30 上海航天设备制造总厂有限公司 A kind of abrasive band suitable for narrow abrasive band is tensioned adjusting deviation device and its implementation
CN110977489B (en) * 2019-12-25 2021-04-20 重庆铝成科技有限公司 Full-automatic processing equipment of aluminium alloy

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1841411A (en) * 1930-04-24 1932-01-19 Albert S Kux Automatic sanding or polishing machine
GB647853A (en) * 1948-04-10 1950-12-20 Woodworking Machine Tools Ltd An improved belt sander
US2671993A (en) * 1952-09-18 1954-03-16 Utica Drop Forge & Tool Corp Concave grinder
US2802310A (en) * 1955-07-13 1957-08-13 Chaplik Rubin Hypodermic needle sharpener
GB872366A (en) * 1959-05-01 1961-07-05 Bristol Siddeley Engines Ltd Improvements in or relating to belt grinding machines
US3153306A (en) * 1962-08-27 1964-10-20 Hammond Machinery Builders Inc Belt abrader
FR1382965A (en) * 1963-08-27 1964-12-24 Hammond Machinery Builders Endless abrasive belt polisher
NL7603503A (en) * 1976-04-02 1977-10-04 Abbink & Landhuis Metaal PIPE CLIPPING TOOL.
DD132181B1 (en) * 1977-05-26 1981-07-29 Juergen Kallenbach BAND GRINDING METHOD FOR REMOVING THE FORGING GRID TO ROHLINGEN FOR WRENCHES
JPS5921133A (en) * 1982-07-26 1984-02-03 Matsushita Electric Ind Co Ltd Receiving circuit
US4993190A (en) * 1987-03-19 1991-02-19 Canon Kabushiki Kaisha Polishing apparatus
DD293537A5 (en) * 1989-04-27 1991-09-05 Th Zittau,De METHOD AND DEVICE FOR GRINDING, ESPECIALLY FOR INDUSTRIAL ROBOTS
DE59106275D1 (en) * 1991-06-16 1995-09-21 Robert Loeser Method and device for deburring pipe ends.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111469008A (en) * 2020-03-10 2020-07-31 孟燕飞 Corner processing device for rough machining of stainless steel parts and processing method thereof
CN111469008B (en) * 2020-03-10 2021-10-12 广州美亚股份有限公司 Corner processing device for rough machining of stainless steel parts and processing method thereof

Also Published As

Publication number Publication date
DE4310887A1 (en) 1994-10-06
DE59301110D1 (en) 1996-01-18
PL172341B1 (en) 1997-09-30
ES2081172T3 (en) 1996-02-16
JPH06285760A (en) 1994-10-11
US5357714A (en) 1994-10-25
EP0623421A1 (en) 1994-11-09
DE4310887B4 (en) 2004-09-09

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