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EP1552903A2 - Belt grinding machine, in particular for the combination with an attachment for tube end grinding - Google Patents

Belt grinding machine, in particular for the combination with an attachment for tube end grinding Download PDF

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Publication number
EP1552903A2
EP1552903A2 EP04030981A EP04030981A EP1552903A2 EP 1552903 A2 EP1552903 A2 EP 1552903A2 EP 04030981 A EP04030981 A EP 04030981A EP 04030981 A EP04030981 A EP 04030981A EP 1552903 A2 EP1552903 A2 EP 1552903A2
Authority
EP
European Patent Office
Prior art keywords
belt
attachment
grinding machine
adjusting
belt tension
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04030981A
Other languages
German (de)
French (fr)
Other versions
EP1552903B1 (en
EP1552903A3 (en
Inventor
Jörn Toft
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Multi-Tool AS
Multi Tool AS
Original Assignee
Multi-Tool AS
Multi Tool AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Multi-Tool AS, Multi Tool AS filed Critical Multi-Tool AS
Priority to PL04030981T priority Critical patent/PL1552903T3/en
Publication of EP1552903A2 publication Critical patent/EP1552903A2/en
Publication of EP1552903A3 publication Critical patent/EP1552903A3/en
Application granted granted Critical
Publication of EP1552903B1 publication Critical patent/EP1552903B1/en
Anticipated expiration legal-status Critical
Active legal-status Critical Current

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Classifications

    • 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
    • B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
    • 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

Definitions

  • the invention relates to a belt grinding machine, preferably for combination with a Attachment for grinding pipe ends and the like.
  • a Multi-functional belt sander can be created for a variety of sanding Diameters under different angles is suitable.
  • Such belt grinders are used for work in railing production, in frame and pipe constructions, Shop fittings and much more.
  • a belt sander according to claim 1.
  • Advantageous embodiments are the subject of the dependent claims. According to the invention it is provided that at a Belt grinder, preferably in combination with a header for grinding of pipe ends and the like, but also used for other applications is to be a number of contact rollers with different diameters available is placed around which the endlessly running abrasive belt optionally, and that a device is provided for adjusting the belt tension, which is independent of the diameter the contact roller mechanically optimized the belt tension of the grinding belt.
  • the mechanical optimization can for example be done by the means for Adjusting the band tension has a gas spring, whose one end is held and whose second end displaceably guided in a slot formed in the belt grinder is.
  • the device for adjusting the belt tension can also be a mechanical one Spring, for example, a coil spring having.
  • the means for adjusting the belt tension an eccentric which is operable from outside the housing of the belt grinding machine.
  • the means for adjusting the belt tension may be a threaded spindle have operable from outside the housing of the belt grinder is.
  • Essential to the invention is that a loading force is generated, which is optimal for the Tension of the sanding belt ensures.
  • the device for adjusting the belt tension can also be arranged in a header be, in combination with an otherwise structurally essentially unchanged belt grinder is used.
  • the same embodiments may be provided as indicated above. It will be related to a specific embodiment explains that when the means for adjusting the tension in the belt grinder is provided, the position of the drive pulley of the abrasive belt according to the diameter the contact roller is changed while the distance between contact roller and contact disc remains constant.
  • the device to adjust the belt tension as explained above, in the header.
  • the coolant can be water.
  • the housing of the belt sander and that of the attachment are preferably mechanical fixed to each other, for example by a connection by means of screws.
  • FIG. 1 shows a belt grinding machine 100, which is basically for industrial indoor use suitable for use in damp-free environments and for grinding, for example, steel, stainless steel and metals is used.
  • An abrasive belt as better seen in FIG Motor 102 driven.
  • the respective resting abrasive belt can thereby by means of an adjustment 104 laterally set up.
  • the clamping and loosening of the respective sanding belt takes place via a lever mechanism 106.
  • the motor 102 drives a drive pulley 108, around which the - not visible in the drawing - sanding belt is guided, along a horizontal Sanding table 110, which can be raised or lowered if necessary, and around a contact disk 112 back to the drive pulley 108th
  • the longer sanding belt is then performed accordingly to the attachment 200 and adjusted there and fixed, as it is in The following will be explained in more detail.
  • the contact roller 206 can by means of the height adjustment 202 adapted.
  • An integrated spark box 204 is provided, which is provided with coolant, for example Water is filled, which absorbs the sparks arising during grinding.
  • FIG. 3 shows a detailed view of the attachment 200.
  • the contact roller 206 can via the Releasing the mechanical latch 208 triggered and replaced.
  • a corresponding Fixation ensures its secure fit.
  • the depth stop of the workpiece By means of a set screw 210, the depth stop of the workpiece, the lateral displacement is via a cross slide, actuated by the rotary lever 212, are operated.
  • the feed is through the Lever 214 determined.
  • the lever mechanism 216, 218 allows the adjustment of the center height of the Contact roller 206.
  • a vice 220 is provided to clamp the workpiece.
  • a mechanism 222 is used to adjust the angle, with a large gap of 10 ° and a small gap of 5 °. In principle, any nicks in the range of 30 ° up to 90 ° in the mentioned steps or also freely selected.
  • the assembly of belt grinder and attachment is done by first the electrical Voltage at the main switch is disconnected and eye protection and thumbscrews, so far disturbing and present, be dismantled. Also, sanding pad with sparking box need be dismantled.
  • FIG. 4 shows that the belt sander and the attachment are assembled by means of 4 bolts 224 become.
  • the previous sanding belt can be removed and the desired Contact roller can be inserted into a holder. Then the new sanding belt is inserted and curious; excited.
  • Figure 5 shows the positions of the tilt settings 226 set in the first setup Need to become.
  • Figure 6 shows details of the mechanism for adjusting the tension of the abrasive belt the belt grinding machine according to the present invention.
  • a gas spring 130 is provided one end 132 of which is fixed while the end 134 is displaceable in a slot, However, it is fixedly mounted.
  • Alternative embodiments are conceivable, for example by means of a mechanical spiral spring, an eccentric or a threaded spindle.
  • Figure 7 shows further details, for example, that under the drive pulley 108 another Long hole 136 is provided, which can serve for adjustment. Also several slots can be provided for guidance.
  • FIG. 8 shows in partial images (a), (b) and (c) how despite different diameters of contact rollers 206 and stationary contact disc 112 by displacing the drive pulley 108th (For example, in the slot 136 shown in Figure 7) the same abrasive belt with optimized Grinding voltage can be used. More specifically, the pitch is between the contact roller 206 and the contact disc 112 kept constant while the drive pulley 108 can be moved accordingly. Once the position of the drive pulley 108th is set, the belt tension with a mechanism for adjusting the voltage of Abrasive belt, as described above, optimized.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)

Abstract

The belt grinding machine (100) is combined with an attachment (200), e.g. for grinding tube ends. Rollers of several different diameters are available, so that the endless grinding belt can be laid out selectively as required. There is a band tension adjustment device which is optimized mechanically independently of the diameter of the contact roller.

Description

Die Erfindung betrifft eine Bandschleifmaschine, vorzugsweise für die Kombination mit einem Vorsatzgerät für das Ausschleifen von Rohrenden und dergleichen. Mit der Erfindung kann eine multifunktionelle Bandschleifmaschine geschaffen werden, die für eine Vielzahl von zu schleifenden Durchmessern unter verschiedensten Winkeln geeignet ist. Solche Bandschleifmaschinen finden Einsatz für Arbeiten bei der Geländerfertigung, bei Rahmen- und Rohrkonstruktionen, Ladeneinrichtungen und vielem mehr.The invention relates to a belt grinding machine, preferably for combination with a Attachment for grinding pipe ends and the like. With the invention, a Multi-functional belt sander can be created for a variety of sanding Diameters under different angles is suitable. Such belt grinders are used for work in railing production, in frame and pipe constructions, Shop fittings and much more.

Bisher bekannt sind lediglich Komplettgeräte, die Motor, Schalter und andere teure Komponenten aufweisen.So far known are only complete devices, the engine, switches and other expensive components exhibit.

Es ist die Aufgabe der Erfindung, eine Bandschleifmaschine bzw. ein Vorsatzgerät so zu gestalten, daß es mit einer Vielzahl von Kontaktrollen unterschiedlichsten Durchmessers betrieben werden kann. Dies ist ein besonderes Problem, da der Bandspannungsbereich entsprechend anzupassen ist.It is the object of the invention to design a belt sander or an attachment so that it operated with a variety of contact rollers of different diameters can be. This is a particular problem as the band-tension range is adjusted accordingly is.

Diese Aufgabe wird durch ein Bandschleifgerät nach Anspruch 1 gelöst. Vorteilhafte Ausgestaltungen sind Gegenstand der Unteransprüche. Erfindungsgemäß ist vorgesehen, daß bei einer Bandschleifmaschine, die vorzugsweise in Kombination mit einem Vorsatzgerät für das Ausschleifen von Rohrenden und dergleichen, aber auch für andere Anwendungszwecke eingesetzt werden soll, eine Anzahl von Kontaktrollen mit unterschiedlichem Durchmesser zur Verfügung gestellt wird, um die das endlos laufende Schleifband wahlweise gelegt wird, und daß eine Einrichtung zum Anpassen der Bandspannung vorgesehen ist, welche unabhängig vom Durchmesser der Kontaktrolle die Bandspannung des Schleifbandes mechanisch optimiert.This object is achieved by a belt sander according to claim 1. Advantageous embodiments are the subject of the dependent claims. According to the invention it is provided that at a Belt grinder, preferably in combination with a header for grinding of pipe ends and the like, but also used for other applications is to be a number of contact rollers with different diameters available is placed around which the endlessly running abrasive belt optionally, and that a device is provided for adjusting the belt tension, which is independent of the diameter the contact roller mechanically optimized the belt tension of the grinding belt.

Die mechanische Optimierung kann beispielsweise dadurch erfolgen, daß die Einrichtung zum Anpassen der Bandspannung eine Gasfeder aufweist, deren eines Ende festgehalten ist und deren zweites Ende verschiebebeweglich in einem im Bandschleifgerät ausgebildeten Langloch geführt ist.The mechanical optimization can for example be done by the means for Adjusting the band tension has a gas spring, whose one end is held and whose second end displaceably guided in a slot formed in the belt grinder is.

Nach einer Variante kann die Einrichtung zum Anpassen der Bandspannung auch eine mechanische Feder, beispielsweise eine Spiralfeder, aufweisen. According to a variant, the device for adjusting the belt tension can also be a mechanical one Spring, for example, a coil spring having.

Ebenso vorteilhaft ist es, wenn die Einrichtung zum Anpassen der Bandspannung eine Exzentrik aufweist, die von außerhalb des Gehäuses der Bandschleifmaschine betätigbar ist.It is equally advantageous if the means for adjusting the belt tension an eccentric which is operable from outside the housing of the belt grinding machine.

Als eine weitere Alternative kann die Einrichtung zum Anpassen der Bandspannung eine Gewindespindel aufweisen die von außerhalb des Gehäuses der Bandschleifmaschine betätigbar ist.As a further alternative, the means for adjusting the belt tension may be a threaded spindle have operable from outside the housing of the belt grinder is.

Wesentlich für die Erfindung ist, daß eine belastende Kraft erzeugt wird, die für die optimale Spannung des Schleifbandes sorgt.Essential to the invention is that a loading force is generated, which is optimal for the Tension of the sanding belt ensures.

Die Einrichtung für das Anpassen der Bandspannung kann auch in einem Vorsatzgerät angeordnet sein, das in Kombination mit einer ansonsten baulich im wesentlichen unveränderten Bandschleifmaschine benutzt wird. Dabei können die gleichen Ausführungsformen vorgesehen sein, wie sie oben angegeben sind. Es wird im Zusammenhang mit einer speziellen Ausführungsform erläutert, daß, wenn die Einrichtung zum Anpassen der Anspannung in der Bandschleifmaschine vorgesehen ist, die Lage für die Antriebsscheibe des Schleifbandes entsprechend dem Durchmesser der Kontaktrolle geändert wird, während der Abstand zwischen Kontaktrolle und Kontaktscheibe konstant bleibt. Es sind auch Kombinationen denkbar, bei der zum Einstellen der Bandspannung der Mittenabstand von Kontaktrolle und Kontaktscheibe variiert wird, während die Antriebsscheibe festgehalten wird, so daß es sich in solchen Fällen anbietet, die Einrichtung zum Anpassen der Bandspannung, wie oben erläutert in das Vorsatzgerät zu verlagern.The device for adjusting the belt tension can also be arranged in a header be, in combination with an otherwise structurally essentially unchanged belt grinder is used. In this case, the same embodiments may be provided as indicated above. It will be related to a specific embodiment explains that when the means for adjusting the tension in the belt grinder is provided, the position of the drive pulley of the abrasive belt according to the diameter the contact roller is changed while the distance between contact roller and contact disc remains constant. There are also combinations conceivable in the setting of the Tape tension the center distance of contact roller and contact disk is varied while the drive pulley is held so that it lends itself in such cases, the device to adjust the belt tension, as explained above, in the header.

Während des Schleifens entstehen Schleiffunken, die in einem vorzugsweise mit Kühlmittel befüllbaren Behälter aufgefangen werden. Das Kühlmittel kann Wasser sein.During grinding Schleiffunken arise in a preferably filled with coolant Containers are caught. The coolant can be water.

Das Gehäuse des Bandschleifgerätes und das des Vorsatzgerätes sind vorzugsweise mechanisch aneinander fixiert, beispielsweise durch eine Verbindung mittels Schrauben.The housing of the belt sander and that of the attachment are preferably mechanical fixed to each other, for example by a connection by means of screws.

Im folgenden soll die Erfindung lediglich beispielhaft anhand der beigefügten Zeichnung näher erläutert werden. Es zeigt:

Figur 1
eine Bandschleifmaschine, teilweise aufgerissen, mit einem Vorsatzgerät gemäß der vorliegenden Erfindung;
Figur 2
eine Bandschleifmaschine und ein Vorsatzgerät in entkoppelter Stellung;
Figur 3
eine Detailansicht des Vorsatzgerätes;
Figur 4
weitere bauliche Einzelheiten des Kopplungsmechanismus von Bandschleifmaschine und Vorsatzgerät;
Figur 5
eine perspektivische Darstellung von dem an die Bandschleifmaschine angekoppelten Vorsatzgerät;
Figur 6
eine Darstellung des Bandspannungsmechanismus im Vorsatzgerät;
Figur 7
weitere Einzelheiten des Bandspannungsmechanismus;
Figur 8
mit Teilbildern (a), (b) und (c) die Verlagerung der Antriebsscheibe entsprechend dem Durchmesser der Kontaktrolle.
Figur 9
Seitliche Ansicht der in einem Langloch verschiebbaren Gasfeder aus leicht nach vorne gedrehtem Blickwinkel.
Figur 10
Seitliche Ansicht der in einem Langloch verschiebbaren Gasfeder aus leicht nach hinten gedrehtem Blickwinkel.
Figur 11
Seitliche Ansicht der gespannten Gasfeder in vorderer Position des Langlochs.
Figur 12
Ansicht des flachen auf der Seite angebrachten Bleches mit vier Langlöchern mit einer zur Gerätemitte hin angebrachten Stemschraube aus einem Blickwinkel von schräg hinten.
Figur 13
Ansicht des flachen auf der Seite angebrachten Bleches mit vier Langlöchern mit einer zur Gerätemitte hin angebrachten Stemschraube aus einem Blickwinkel von schräg hinten.
Figur 14
Schematische Darstellungen des in zwei verschiedenen Anordnungen angebrachten Motors.
In the following, the invention will be explained by way of example only with reference to the accompanying drawings. It shows:
FIG. 1
a belt grinder, partially torn, with a header according to the present invention;
FIG. 2
a belt sander and an attachment in decoupled position;
FIG. 3
a detailed view of the attachment;
FIG. 4
further structural details of the coupling mechanism of belt grinder and attachment;
FIG. 5
a perspective view of the coupled to the belt grinding attachment;
FIG. 6
an illustration of the tape tension mechanism in the attachment;
FIG. 7
further details of the tape tension mechanism;
FIG. 8
with sub-images (a), (b) and (c) the displacement of the drive pulley according to the diameter of the contact roller.
FIG. 9
Lateral view of the gas spring, which can be displaced in a slot, from a slightly forward-turned angle.
FIG. 10
Lateral view of the gas spring, which can be displaced in a long hole, from an angle slightly turned backwards.
FIG. 11
Lateral view of the tensioned gas spring in the front position of the slot.
FIG. 12
View of the flat side-mounted metal sheet with four oblong holes with a center screw attached to the center of the unit from an angle at an angle from behind.
FIG. 13
View of the flat side-mounted metal sheet with four oblong holes with a center screw attached to the center of the unit from an angle at an angle from behind.
FIG. 14
Schematic representations of the mounted in two different arrangements engine.

Figur 1 zeigt eine Bandschleifmaschine 100, die grundsätzlich zum industriellen Innengebrauch in feuchtfreien Umgebungen geeignet ist und zum Schleifen beispielsweise von Stahl, Edelstahl und Metallen eingesetzt wird. Ein Schleifband wird, wie besser in Figur 2 zu sehen ist, über einen Motor 102 angetrieben. Das jeweils aufliegende Schleifband kann dabei mittels einer Justierung 104 lateral eingerichtet werden. Das Spannen und Lösen des jeweiligen Schleifbandes erfolgt über einen Hebelmechanismus 106. Somit treibt der Motor 102 eine Antriebsscheibe 108, um die das - in der Zeichnung nicht sichtbare - Schleifband geführt ist, entlang eines waagerechten Schleiftisches 110, welcher gegebenenfalls angehoben oder abgesenkt werden kann, und um eine Kontaktscheibe 112 herum zurück zur Antriebsscheibe 108.FIG. 1 shows a belt grinding machine 100, which is basically for industrial indoor use suitable for use in damp-free environments and for grinding, for example, steel, stainless steel and metals is used. An abrasive belt, as better seen in FIG Motor 102 driven. The respective resting abrasive belt can thereby by means of an adjustment 104 laterally set up. The clamping and loosening of the respective sanding belt takes place via a lever mechanism 106. Thus, the motor 102 drives a drive pulley 108, around which the - not visible in the drawing - sanding belt is guided, along a horizontal Sanding table 110, which can be raised or lowered if necessary, and around a contact disk 112 back to the drive pulley 108th

Diese an sich bekannte Bandschleifmaschine wird erfindungsgemäß mit einem Vorsatzgerät 200 betrieben, das mittels einer mechanischen Fixiereinrichtung 224, vorzugsweise einer einfachen Schraubenverbindung, an der Bandschleifmaschine 100 fixiert wird. Das längere Schleifband wird dann entsprechend bis zum Vorsatzgerät 200 geführt und dort justiert und fixiert, wie es im folgenden noch näher erläutert wird. Die Kontaktrolle 206 kann mittels der Höhenverstellung 202 angepaßt werden. Ein integrierter Funkenkasten 204 ist vorgesehen, der mit Kühlmittel, beispielsweise Wasser, gefüllt ist, welcher die beim Schleifen entstehenden Funken aufnimmt.This per se known belt grinding machine according to the invention with a header 200th operated by means of a mechanical fixing device 224, preferably a simple Screw connection, is fixed to the belt grinding machine 100. The longer sanding belt is then performed accordingly to the attachment 200 and adjusted there and fixed, as it is in The following will be explained in more detail. The contact roller 206 can by means of the height adjustment 202 adapted. An integrated spark box 204 is provided, which is provided with coolant, for example Water is filled, which absorbs the sparks arising during grinding.

Figur 3 zeigt eine Detailansicht des Vorsatzgerätes 200. Die Kontaktrolle 206 kann über das Freigeben der mechanischen Verriegelung 208 ausgelöst und ausgetauscht werden. Eine entsprechende Fixierung sorgt für ihren sicheren Sitz. Mittels einer Stellschraube 210 kann der Tiefenanschlag des Werkstückes vorgegeben werden, die Seitenverschiebung wird über einen Querschlitten, betätigbar durch den Drehhebel 212, bedient werden. Der Vorschub wird durch den Stellhebel 214 bestimmt. Das Hebelwerk 216, 218 ermöglicht die Justierung der Mittenhöhe der Kontaktrolle 206. Schließlich ist ein Schraubstock 220 vorgesehen, um das Werkstück festzuspannen. Eine Mechanik 222 dient zur Einstellung der Winkel, mit einer großen Scharte von 10° und einer kleinen Scharte von 5°. Grundsätzlich können beliebige Scharten im Bereich von 30° bis zu 90° in den genannten Schritten oder auch frei gewählt eingestellt werden.Figure 3 shows a detailed view of the attachment 200. The contact roller 206 can via the Releasing the mechanical latch 208 triggered and replaced. A corresponding Fixation ensures its secure fit. By means of a set screw 210, the depth stop of the workpiece, the lateral displacement is via a cross slide, actuated by the rotary lever 212, are operated. The feed is through the Lever 214 determined. The lever mechanism 216, 218 allows the adjustment of the center height of the Contact roller 206. Finally, a vice 220 is provided to clamp the workpiece. A mechanism 222 is used to adjust the angle, with a large gap of 10 ° and a small gap of 5 °. In principle, any nicks in the range of 30 ° up to 90 ° in the mentioned steps or also freely selected.

Der Zusammenbau von Bandschleifmaschine und Vorsatzgerät erfolgt, indem zunächst die elektrische Spannung beim Hauptschalter getrennt wird und Augenschutz und Rändelschrauben, soweit störend und vorhanden, demontiert werden. Auch Schleifauflage mit Funkenkasten müssen demontiert werden. The assembly of belt grinder and attachment is done by first the electrical Voltage at the main switch is disconnected and eye protection and thumbscrews, so far disturbing and present, be dismantled. Also, sanding pad with sparking box need be dismantled.

Figur 4 zeigt, daß die Bandschleifmaschine und das Vorsatzgerät mittels 4 Bolzen 224 zusammengebaut werden. Das bisherige Schleifband kann abgenommen werden und die gewünschte Kontaktrolle in eine Halterung eingesetzt werden. Dann wird das neue Schleifband eingelegt und gespannt.FIG. 4 shows that the belt sander and the attachment are assembled by means of 4 bolts 224 become. The previous sanding belt can be removed and the desired Contact roller can be inserted into a holder. Then the new sanding belt is inserted and curious; excited.

Figur 5 zeigt die Positionen der Kippeinstellungen 226, die bei der ersten Aufstellung eingestellt werden müssen.Figure 5 shows the positions of the tilt settings 226 set in the first setup Need to become.

Figur 6 zeigt Einzelheiten des Mechanismus zum Einstellen der Spannung des Schleifbandes bei der Bandschleifmaschine gemäß der vorliegenden Erfindung. Eine Gasfeder 130 ist vorgesehen, deren eines Ende 132 festgelegt ist, während das Ende 134 in einem Langloch verschiebebeweglich, jedoch fest montierbar angeordnet ist. Alternative Ausgestaltungen sind denkbar, beispielsweise mittels einer mechanischen Spiralfeder, einer Exzentrik oder einer Gewindespindel.Figure 6 shows details of the mechanism for adjusting the tension of the abrasive belt the belt grinding machine according to the present invention. A gas spring 130 is provided one end 132 of which is fixed while the end 134 is displaceable in a slot, However, it is fixedly mounted. Alternative embodiments are conceivable, for example by means of a mechanical spiral spring, an eccentric or a threaded spindle.

Figur 7 zeigt weitere Einzelheiten, beispielsweise, daß unter der Antriebsscheibe 108 ein weiteres Langloch 136 vorgesehen ist, das zur Justierung dienen kann. Auch mehrere Langlöcher können zur Führung vorgesehen sein.Figure 7 shows further details, for example, that under the drive pulley 108 another Long hole 136 is provided, which can serve for adjustment. Also several slots can be provided for guidance.

Figur 8 zeigt in Teilbildern (a), (b) und (c), wie trotz unterschiedlicher Durchmesser von Kontaktrollen 206 und feststehender Kontaktscheibe 112 durch Verlagern der Antriebsscheibe 108 (beispielsweise in dem in Figur 7 gezeigten Langloch 136) das gleiche Schleifband mit optimierter Schleifspannung verwendet werden kann. Genauer gesagt wird der Mittenabstand zwischen der Kontaktrolle 206 und der Kontaktscheibe 112 konstant gehalten, während sich die Antriebsscheibe 108 entsprechend verschieben läßt. Wenn einmal die Position der Antriebsscheibe 108 weggelegt ist, wird die Bandspannung mit einem Mechanismus zum Einstellen der Spannung des Schleifbandes, wie zuvor beschrieben, optimiert.FIG. 8 shows in partial images (a), (b) and (c) how despite different diameters of contact rollers 206 and stationary contact disc 112 by displacing the drive pulley 108th (For example, in the slot 136 shown in Figure 7) the same abrasive belt with optimized Grinding voltage can be used. More specifically, the pitch is between the contact roller 206 and the contact disc 112 kept constant while the drive pulley 108 can be moved accordingly. Once the position of the drive pulley 108th is set, the belt tension with a mechanism for adjusting the voltage of Abrasive belt, as described above, optimized.

Die in der vorstehenden Beschreibung, in der Zeichnung sowie in den Ansprüchen offenbarten Merkmale der Erfindung können sowohl einzeln als auch in beliebiger Kombination für die Verwirklichung der Erfindung wesentlich sein.Those disclosed in the foregoing description, in the drawings and in the claims Features of the invention can be used individually as well as in any combination for the To be essential to the realization of the invention.

Claims (14)

Bandschleifmaschine (100), vorzugsweise für die Kombination mit einem Vorsatzgerät (200) für das Ausschleifen von Rohrenden und dergleichen, dadurch gekennzeichnet, daß eine Anzahl von Kontaktrollen (206) mit unterschiedlichem Durchmesser zur Verfügung gestellt wird, um die das endlos laufende Schleifband wahlweise gelegt ist, und daß eine Einrichtung zum Anpassen der Bandspannung vorgesehen ist, welche unabhängig vom Durchmesser der Kontaktrolle (206) die Bandspannung des Schleifbandes mechanisch optimiert.A belt sander (100), preferably for combination with an attachment (200) for the grinding of pipe ends and the like, characterized in that a number of contact rollers (206) of different diameter are provided around which the endlessly running abrasive belt is selectively laid is, and that means for adjusting the belt tension is provided, which, regardless of the diameter of the contact roller (206) mechanically optimizes the belt tension of the abrasive belt. Bandschleifmaschine (100) nach Anspruch 1, dadurch gekennzeichnet, daß die Einrichtung zum Anpassen der Bandspannung eine Gasfeder (130) aufweist, deren eines Ende (132) festgehalten ist und deren zweites Ende (134) verschiebebeweglich in einem in der Bandschleifmaschine ausgebildeten Langloch (136) geführt ist.Belt grinding machine (100) according to claim 1, characterized in that the device for adjusting the belt tension comprises a gas spring (130), one end (132) of which is retained and the second end (134) of which is displaceably movable in a slot (136) formed in the belt grinding machine ) is guided. Bandschleifmaschine (100) nach Anspruch 1, dadurch gekennzeichnet, daß die Einrichtung zum Anpassen der Bandspannung eine mechanische Feder, beispielsweise eine Spiralfeder, aufweist.Belt grinding machine (100) according to claim 1, characterized in that the means for adjusting the belt tension comprises a mechanical spring, for example a spiral spring. Bandschleifmaschine (100) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Einrichtung zum Anpassen der Bandspannung eine Exzentrik aufweist, die von außerhalb des Gehäuses der Bandschleifmaschine betätigbar ist.Belt grinding machine (100) according to one of claims 1 to 3, characterized in that the means for adjusting the belt tension has an eccentric which can be actuated from outside the housing of the belt grinding machine. Bandschleifmaschine (100) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Einrichtung zum Anpassen der Bandspannung eine Gewindespindel aufweist, die von außerhalb des Gehäuses der Bandschleifmaschine betätigbar ist.Belt grinding machine (100) according to one of claims 1 to 4, characterized in that the means for adjusting the belt tension comprises a threaded spindle which can be actuated from outside the housing of the belt grinding machine. Vorsatzgerät (200) zum Ankoppeln an eine Bandschleifmaschine (100) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß zum Auffangen der Späne ein mit Kühlmittel befüllbarer Behälter (204) vorgesehen ist.An attachment (200) for coupling to a belt sander (100) according to any one of claims 1 to 5, characterized in that a container (204) which can be filled with coolant is provided for collecting the chips. Vorsatzgerät (200) zum Ankoppeln an eine Bandschleifmaschine (100) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß eine Einrichtung zum Ankoppeln an die Bandschleifmaschine (100) eine mechanische Fixiereinrichtung für die relative Festlegung der Gehäuse von Bandschleifgerät (100) und Vorsatzgerät (200) aufweist.An attachment (200) for coupling to a belt sander (100) according to any one of claims 1 to 6, characterized in that means for coupling to the belt sander (100) comprises a mechanical fixing device for relative fixing of the belt grinder (100) and attachment (200). Vorsatzgerät (200), vorzugsweise für das Ausschleifen von Rohrenden und dergleichen, in Kombination mit einer Bandschleifmaschine (100), dadurch gekennzeichnet, daß eine Anzahl von Kontaktrollen (206) mit unterschiedlichem Durchmesser zur Verfügung gestellt wird, um die das endlos laufende Schleifband wahlweise gelegt ist, und daß eine Einrichtung zum Anpassen der Bandspannung vorgesehen ist, welche unabhängig vom Durchmesser der Kontaktrolle die Bandspannung des Schleifbandes mechanisch optimiert.An attachment (200), preferably for grinding pipe ends and the like, in combination with a belt sander (100), characterized in that a number of contact rollers (206) of different diameter are provided, around which the endlessly running abrasive belt is selectively laid is, and that means for adjusting the belt tension is provided, which mechanically optimized regardless of the diameter of the contact roller, the belt tension of the abrasive belt. Vorsatzgerät (200) nach Anspruch 8, dadurch gekennzeichnet, daß die Einrichtung zum Anpassend der Bandspannung eine Gasfeder aufweist, deren eines Ende festgehalten ist und deren zweites Ende verschiebebeweglich in einem im Vorsatzgerät (200) ausgebildeten Langloch geführt ist.An attachment (200) according to claim 8, characterized in that the means for adjusting the belt tension comprises a gas spring, one end of which is retained and the second end of which is displaceably guided in a slot formed in the attachment (200). Vorsatzgerät (200) nach Anspruch 8, dadurch gekennzeichnet, daß die Einrichtung zum Anpassen der Bandspannung eine mechanische Feder, beispielsweise eine Spiralfeder, aufweist.An attachment (200) according to claim 8, characterized in that the means for adjusting the belt tension comprises a mechanical spring, for example a spiral spring. Vorsatzgerät (200) nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, daß die Einrichtung zum Anpassen der Bandspannung eine Exzentrik oder eine Gewindespindel aufweist, die von außerhalb des Gehäuses der Bandschleifmaschine (100) betätigbar ist.An attachment (200) according to any one of claims 8 to 10, characterized in that the means for adjusting the belt tension comprises an eccentric or a threaded spindle which can be actuated from outside the housing of the belt grinding machine (100). Bandschleifmaschine (100) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die seitlich korrekte Position des Schleifbandes und damit der über die Laufflächenbreite des Schleifbandes gleichmäßigen Schleifbandspannung durch eine Gewindespindel (104), die an einer Lasche eines Motorflansches (114) angebracht ist, justierbar ist.,Belt grinding machine (100) according to one of claims 1 to 5, characterized in that the laterally correct position of the sanding belt and thus the over the tread width of the sanding belt uniform grinding belt tension by a threaded spindle (104) which is attached to a tab of a motor flange (114) , is adjustable., Bandschleifmaschine (100) nach Anspruch 12, dadurch gekennzeichnet, daß der Motorflansch (116) in zwei Positionen montierbar ist und sich die Gewindespindel (104) in einem Fall hinter dem Motor (102) befindet und im anderen Fall vor dem Motor (102) und damit sich gegenseitig ergänzende Möglichkeiten der Justierung ergeben. Belt grinder (100) according to claim 12, characterized in that the motor flange (116) is mountable in two positions and in one case the threaded spindle (104) is behind the motor (102) and in the other case in front of the motor (102) and so that mutually complementary possibilities of adjustment result. Bandschleifmaschine (100) nach Anspruch 13, dadurch gekennzeichnet, daß die Justierung mit der Gewindespindel (104) in seiner Position hinter dem Motor (102) durch Ausüben eines Drucks auf die Abdeckplatte realisiert ist, während die Justierung mit der Gewindespindel (104) in seiner Position vor dem Motor (102) durch Zug der Abdeckplatte ermöglicht wird, um dadurch die Bandbreite der Justiermöglichkeiten wegen der Exzentrik der Feder zu erweitern.Belt grinding machine (100) according to claim 13, characterized in that the adjustment with the threaded spindle (104) is realized in its position behind the motor (102) by exerting a pressure on the cover plate, while the adjustment with the threaded spindle (104) in its Position in front of the motor (102) is made possible by pulling the cover plate, thereby expanding the range of adjustment options because of the eccentricity of the spring.
EP04030981A 2004-01-06 2004-12-29 Belt grinding machine, in particular for the combination with an attachment for tube end grinding Active EP1552903B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04030981T PL1552903T3 (en) 2004-01-06 2004-12-29 Belt grinding machine, in particular for the combination with an attachment for tube end grinding

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004000104U DE202004000104U1 (en) 2004-01-06 2004-01-06 Belt grinder, preferably for combination with an attachment for grinding pipe ends
DE202004000104U 2004-01-06

Publications (3)

Publication Number Publication Date
EP1552903A2 true EP1552903A2 (en) 2005-07-13
EP1552903A3 EP1552903A3 (en) 2005-09-07
EP1552903B1 EP1552903B1 (en) 2008-07-02

Family

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EP04030981A Active EP1552903B1 (en) 2004-01-06 2004-12-29 Belt grinding machine, in particular for the combination with an attachment for tube end grinding

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US (1) US20050221735A1 (en)
EP (1) EP1552903B1 (en)
CN (1) CN1663743B (en)
AT (1) ATE399619T1 (en)
DE (2) DE202004000104U1 (en)
DK (1) DK1552903T3 (en)
ES (1) ES2310699T3 (en)
PL (1) PL1552903T3 (en)

Cited By (4)

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Publication number Priority date Publication date Assignee Title
DE102006007709A1 (en) * 2006-02-14 2007-08-23 Multi-Tool A/S Belt grinder, especially for the ends of cut fine steel pipes, has an edge extension with the belt passing around rollers on a swing mounting locked at the required angle
CN103962919A (en) * 2014-04-25 2014-08-06 陈美青 Polishing machine
EP2865488A1 (en) 2013-10-25 2015-04-29 C. & E. Fein GmbH Belt grinder with belt grinder modules which can be connected to each other
DE102006013436B4 (en) 2006-03-14 2018-10-31 C. & E. Fein Gmbh Belt grinding machine for external cylindrical grinding of pipes

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1688216A1 (en) * 2005-02-02 2006-08-09 Multi-Tool A/S Belt grinding machine, in particular for the combination with an attachment for tube end grinding
CN102990494B (en) * 2011-09-08 2015-05-13 莱州市鑫岳机械有限公司 Small multifunction belt sander
DE102015205624A1 (en) 2015-03-27 2016-09-29 Siemens Aktiengesellschaft Grinding machine and method for processing a squealer edge of a blade
CN105500155A (en) * 2015-12-05 2016-04-20 芜湖山野电器有限公司 Polishing device
CN105538101A (en) * 2015-12-05 2016-05-04 芜湖山野电器有限公司 Polishing machine
CN112518523A (en) * 2020-12-02 2021-03-19 汤武义 Automatic polishing and grinding system for thin-wall stamping parts

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DE4226708A1 (en) * 1992-02-07 1993-08-12 Sig Schweiz Industrieges Belt type grinding machine with sliding beam to press belt against work piece - has tensioning pulley actuated by pneumatic cylinder to ensure rapid re-adjustment in belt tension
DE9320750U1 (en) * 1993-04-02 1995-01-05 Almi Machinefabriek B.V., Vriezenveen Device for the end molding of tubular workpieces with different diameters
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006007709A1 (en) * 2006-02-14 2007-08-23 Multi-Tool A/S Belt grinder, especially for the ends of cut fine steel pipes, has an edge extension with the belt passing around rollers on a swing mounting locked at the required angle
DE102006007709B4 (en) 2006-02-14 2019-01-31 C. & E. Fein Gmbh belt sander
DE102006013436B4 (en) 2006-03-14 2018-10-31 C. & E. Fein Gmbh Belt grinding machine for external cylindrical grinding of pipes
EP2865488A1 (en) 2013-10-25 2015-04-29 C. & E. Fein GmbH Belt grinder with belt grinder modules which can be connected to each other
DE102013111807A1 (en) 2013-10-25 2015-04-30 C. & E. Fein Gmbh Belt grinding machine with belt grinding modules that can be coupled together
CN103962919A (en) * 2014-04-25 2014-08-06 陈美青 Polishing machine

Also Published As

Publication number Publication date
ATE399619T1 (en) 2008-07-15
DE202004000104U1 (en) 2004-04-29
DK1552903T3 (en) 2008-11-03
ES2310699T3 (en) 2009-01-16
CN1663743A (en) 2005-09-07
CN1663743B (en) 2012-08-08
PL1552903T3 (en) 2008-12-31
EP1552903B1 (en) 2008-07-02
US20050221735A1 (en) 2005-10-06
DE502004007481D1 (en) 2008-08-14
EP1552903A3 (en) 2005-09-07

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