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EP1797994B1 - Burr removing device - Google Patents

Burr removing device Download PDF

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Publication number
EP1797994B1
EP1797994B1 EP06123579A EP06123579A EP1797994B1 EP 1797994 B1 EP1797994 B1 EP 1797994B1 EP 06123579 A EP06123579 A EP 06123579A EP 06123579 A EP06123579 A EP 06123579A EP 1797994 B1 EP1797994 B1 EP 1797994B1
Authority
EP
European Patent Office
Prior art keywords
drive shaft
slide
guide disc
support plate
workpiece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP06123579A
Other languages
German (de)
French (fr)
Other versions
EP1797994A1 (en
Inventor
Helmut PFÖRTNER
Norbert Jaksch
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.)
Kyra 1 GmbH
Original Assignee
Mechanik Center Erlangen GmbH
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 Mechanik Center Erlangen GmbH filed Critical Mechanik Center Erlangen GmbH
Publication of EP1797994A1 publication Critical patent/EP1797994A1/en
Application granted granted Critical
Publication of EP1797994B1 publication Critical patent/EP1797994B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/002—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor for travelling workpieces
    • 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
    • B24B27/00—Other grinding machines or devices
    • B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/14—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face
    • B24D13/145—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face having a brush-like working surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/18—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor with cooling provisions

Definitions

  • the invention relates to a device for deburring a workpiece according to the preamble of claim 1.
  • Such deburring devices are used for surface treatment and deburring of workpieces in which burrs or sharp edges have been created by a preceding mechanical working process, such as, for example, cutting, milling or drilling.
  • a device is known from the utility model DE 78 07 217 U1 known.
  • This document discloses an adjusting device for a rotary brush on deburring, brushing machines or the like. On a receiving ring brush fingers are held, which are directed through concentrically arranged holes of a holding plate against a processing plant. The distance between the holding plate and the receiving ring is held by a biased inserted compression spring. By moving an adjusting wheel, the position of the receiving ring is determined with its brush fingers relative to the holding plate.
  • a deburring device with at least one brushing tool which has a rotating support plate in which at least one brush is held and arranged axially or at an angle to the axis of rotation of the support plate. Furthermore, the brushing tool has at least one spaced apart and rotationally fixed to the support plate guide plate, through which the at least one brush is guided with their freely emerging bristles. Between at least one brushing tool and at least one workpiece to be deburred, a translatory relative movement can be carried out at least temporarily at the same time for rotational relative movement.
  • the known brushing tool sits to adjust the distance to the surface the workpiece to be deburred on an adjustable slide. If the brushing tool has to be retracted for a brush change or for deburring workpieces of different heights, a second slide is necessary for the adjustment of the guide disk
  • a brush head for deburring and brushing machines in which a drive shaft of the machine is torsionally connected to a base plate in which a plurality of coaxial with the drive shaft arranged, finger-like brushes are held.
  • a guide plate Parallel to the axially displaceable base plate, a guide plate is arranged on the same working shaft, protrude through the brushes with a free stocking length.
  • the brushes are rotatably mounted in the base plate and driven at a speed whose ratio to the speed of the brush head is a maximum of about 1:50.
  • the invention is therefore based on the object to provide a deburring device of the type mentioned, which allows both a feed movement of the guide disc and a mobility of the entire brushing tool with little technical effort.
  • a generic device for deburring a workpiece in which the features of the characterizing part of claim 1 are provided.
  • a first carriage carrying the guide disk and a second carriage carrying the carrier plate are movable along a first or second carriage guide, wherein the second carriage is movable independently of the first carriage but can be moved by it.
  • This construction sets in Advantageously, with known mechanical components to the basic idea of the invention, according to which the carrier plate with the bristle bundles can perform a feed movement relative to the guide disc and the entire brushing tool by moving the first carriage, which entrains the second carriage, can be moved.
  • both the entire brushing tool and the carrier plate with the bristle bundles can be delivered independently of the guide disc. In this way, the wear of the bristle bundles can be compensated by axial feed, whereby the guide disc of the brush tool keeps its distance to the workpiece surface.
  • the brushing tool is arranged displaceable relative to the workpiece to be deburred along the axis of rotation.
  • the entire brushing tool can be moved manually, for example, to either process workpieces of different sizes or to be able to make a change of bristle bundles.
  • stop means are provided, by means of which the guide disc is durable at a defined distance from the workpiece to be deburred.
  • the stop means guarantee easy adjustability of the brushing tool after manual or electrical adjustment to bring the guide disc back to its predetermined optimum distance from the workpiece surface.
  • the stop means are arranged adjustable.
  • the stop can be adapted to the respective workpiece height of a workpiece series to be deburred.
  • the guide disc is rotatably connected to a rotatably mounted in the first carriage drive shaft
  • the support plate is rotatably connected to a rotatably mounted in the second carriage receiving flange, which is slidably connected but rotationally fixed along with him passing through the drive shaft ,
  • the second carriage carries a drive unit, by means of which the drive shaft is set in rotation about the axis of rotation.
  • the drive unit has a motor, a gear and a hollow shaft through which the drive shaft is guided. For non-rotatable connection between the drive shaft and the hollow shaft and the receiving flange while a key is provided in an advantageous manner.
  • a channel system for the supply of coolant and / or lubricant to the at least one bundle of bristles is provided which extends at least partially through the drive shaft and through the guide disc.
  • a device for deburring a workpiece 10, which is positioned on a processing table 20, has a brushing tool 30 rotating about a rotation axis R.
  • the brushing tool 30 comprises a multiplicity of bristle bundles 31 distributed on a pitch circle about the axis of rotation R, which can execute a rotational feed motion V R and / or a translatory feed motion V T relative to the workpiece 10.
  • the bristle ends of the bristle bundles 31 sweep over the surface of the workpiece 10 and thereby carry away burrs and sharp edges.
  • the bristle bundles 31 of the brushing tool 30 are clamped in a support plate 32 with its upper, bound end.
  • the freely emerging ends of the bristles at the lower end of the bristle bundles 31 are guided through bores in a guide disk 33 of the brushing tool 30.
  • the bristle ends project from the guide disk 33 by a predetermined projection, so that by setting and maintaining a constant distance d between the guide disk 33 and the surface of the workpiece 10, an optimum machining result is achieved.
  • the setting of this optimal distance d is achieved by fixing an adjustable stop 43 for a first carriage 40, which is approximately manually along a first slide guide 41 and movable, the guide plate 33 via a drive shaft 42 carries.
  • the support plate 32 of the brushing tool 30 can execute a feed movement Z independent of the guide plate 33, parallel to the axis of rotation R.
  • the support plate 32 is rotatably connected to a receiving flange 52 which is supported by a bearing 53 by a second carriage 50.
  • the second carriage 50 is along a second slide guide 51 - for example by means not shown drive means - independently of the first carriage 40 movable.
  • the first carriage 40 is manually moved upwards, the second carriage 50 being taken along by the first carriage 40.
  • the second carriage 50 also carries a drive unit comprising a motor 54, a gear 55 and a hollow shaft 56 which is penetrated by the drive shaft 42.
  • the drive shaft 42 also passes through the receiving flange 52 of the second carriage 50 and the support plate 32.
  • the hollow shaft 56 transmits its torque via a key 60 on the drive shaft 42, which in turn passes on the key 60 a torque on the receiving flange 52.
  • the keyway allows axial displacement of the first carriage 50 with its components relative to the first carriage 40.
  • a channel system 70 for the supply of coolant and / or lubricant K / S is provided, which extends within the deburring device according to the invention.
  • the drive shaft 42 is designed as a hollow shaft with an axial channel 70, in which coolant and / or lubricant K / S is fed approximately by a rotary distributor, not shown.
  • the lower end of the drive shaft 42 close within the guide disc 33 extending radial channels 70, through which the cooling and / or lubricant K / S is conveyed outwards to the bristle bundles 31 driven by the centrifugal force.
  • the coolant and / or lubricant K / S is available directly at the place where the process-related heat development takes place. Incidentally, this takes place independently of the wear of the bristle bundles 31.
  • electromechanical delivery eliminates advantageously a second drive motor and the associated hardware and software. According to the invention a simple mechanical construction is achieved with only one delivery. The space requirement of the solution according to the invention is relatively low.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Brushes (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)

Abstract

The rotating brush (30) can be moved across the work piece (10) either linear (VT) or in circles (VR) in order to smoothen its surface. The bristles (31) are attached to a disk (32) and guided through a second disk (33) positioned at a distance below the first (32). The distance can be adjusted with a carriage (40) and a stop element (43). The bristle carrying disk (32) can be moved by a second carriage (50) in order to compensate for wear and tear of the bristles (31).

Description

Die Erfindung betrifft eine Vorrichtung zum Entgraten eines Werkstückes gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a device for deburring a workpiece according to the preamble of claim 1.

Derartige Entgrateinrichtungen dienen zur Oberflächenbehandlung und Entgratung von Werkstücken, bei denen durch einen vorausgegangenen mechanischen Arbeitsprozess, wie beispielsweise Schneiden, Fräsen oder Bohren, Grate oder scharfe Kanten entstanden sind.Such deburring devices are used for surface treatment and deburring of workpieces in which burrs or sharp edges have been created by a preceding mechanical working process, such as, for example, cutting, milling or drilling.

Eine Vorrichtung nach dem Oberbegriff des Patentanspruches 1 ist aus der Gebrauchsmusterschrift DE 78 07 217 U1 bekannt. Diese Schrift offenbart eine Verstelleinrichtung für eine Rotationsbürste an Entgrat-, Bürstmaschinen oder dergleichen. An einem Aufnahmering sind Bürstenfinger gehalten, die durch konzentrisch angeordnete Bohrungen einer Halteplatte gegen eine Bearbeitungsanlage gerichtet sind. Der Abstand zwischen der Halteplatte und dem Aufnahmering wird durch eine vorgespannt eingesetzte Druckfeder gehalten. Durch Verschieben eines Stellrades wird die Lage des Aufnahmeringes mit seinen Bürstenfingern relativ zur Halteplatte bestimmt.A device according to the preamble of claim 1 is known from the utility model DE 78 07 217 U1 known. This document discloses an adjusting device for a rotary brush on deburring, brushing machines or the like. On a receiving ring brush fingers are held, which are directed through concentrically arranged holes of a holding plate against a processing plant. The distance between the holding plate and the receiving ring is held by a biased inserted compression spring. By moving an adjusting wheel, the position of the receiving ring is determined with its brush fingers relative to the holding plate.

Aus der Gebrauchsmusterschrift DE 201 02 690 U1 ist eine Entgrateinrichtung mit wenigstens einem Bürstwerkzeug bekannt, das eine rotierende Trägerplatte aufweist, in der wenigstens eine Bürste gehalten und axial oder in einem Winkel zur Rotationsachse der Trägerplatte angeordnet ist. Weiterhin weist das Bürstwerkzeug wenigstens eine beabstandet und verdrehfest zur Trägerplatte angeordnete Führungsplatte auf, durch die die wenigstens eine Bürste mit ihren frei austretenden Borsten geführt ist. Zwischen wenigstens einem Bürstwerkzeug und wenigstens einem zu entgratenden Werkstück ist zur rotatorischen Relativbewegung zumindest zeitweise gleichzeitig eine translatorische Relativbewegung ausführbar. Das bekannte Bürstwerkzeug sitzt zur Einstellung des Abstandes zur Oberfläche des zu entgratenden Werkstückes auf einem verstellbaren Schlitten. Falls das Bürstwerkzeug für einen Bürstenwechsel oder beim Entgraten von unterschiedlich hohen Werkstücken zurückgefahren werden muss, ist für die Verstellung der Führungsscheibe ein zweiter Schlitten notwendigFrom the utility model DE 201 02 690 U1 a deburring device with at least one brushing tool is known, which has a rotating support plate in which at least one brush is held and arranged axially or at an angle to the axis of rotation of the support plate. Furthermore, the brushing tool has at least one spaced apart and rotationally fixed to the support plate guide plate, through which the at least one brush is guided with their freely emerging bristles. Between at least one brushing tool and at least one workpiece to be deburred, a translatory relative movement can be carried out at least temporarily at the same time for rotational relative movement. The known brushing tool sits to adjust the distance to the surface the workpiece to be deburred on an adjustable slide. If the brushing tool has to be retracted for a brush change or for deburring workpieces of different heights, a second slide is necessary for the adjustment of the guide disk

Aus der Patentschrift US 5,062,177 ist ein Bürstkopf für Entgrat- und Bürstmaschinen bekannt, bei der eine Antriebswelle der Maschine drehmomentschlüssig mit einer Grundplatte verbunden ist, in der mehrere koaxial zur Antriebswelle angeordnete, fingerartige Bürsten gehalten sind. Parallel zur axial verschiebbaren Grundplatte ist eine Führungsplatte auf der gleichen Arbeitswelle angeordnet, durch die Bürsten mit einer freien Besatzlänge ragen. Um einen gleichmäßigen Verschleiß der Bürsten während des Betriebes zu erreichen, sind die Bürsten in der Grundplatte drehbar gelagert und mit einer Drehzahl angetrieben, deren Verhältnis zur Drehzahl des Bürstkopfes maximal etwa 1:50 ist.From the patent US 5,062,177 a brush head for deburring and brushing machines is known in which a drive shaft of the machine is torsionally connected to a base plate in which a plurality of coaxial with the drive shaft arranged, finger-like brushes are held. Parallel to the axially displaceable base plate, a guide plate is arranged on the same working shaft, protrude through the brushes with a free stocking length. In order to achieve a uniform wear of the brushes during operation, the brushes are rotatably mounted in the base plate and driven at a speed whose ratio to the speed of the brush head is a maximum of about 1:50.

Weitere Bürstwerkzeuge sind bekannt aus den Gebrauchsmusterschriften DE 88 06 552 U1 und DE 92 10 433 U1 sowie den Offenlegungsschriften DE 27 27 292 A1 und DE 27 43 487 A1 .Other brushing tools are known from the utility model writings DE 88 06 552 U1 and DE 92 10 433 U1 and the publications DE 27 27 292 A1 and DE 27 43 487 A1 ,

Der Erfindung liegt daher die Aufgabe zugrunde, eine Entgratvorrichtung der eingangs genannten Art bereitzustellen, die bei geringem technischen Aufwand sowohl eine Zustellbewegung nur der Führungsscheibe als auch eine Verfahrbarkeit des gesamten Bürstwerkzeugs erlaubt.The invention is therefore based on the object to provide a deburring device of the type mentioned, which allows both a feed movement of the guide disc and a mobility of the entire brushing tool with little technical effort.

Erfindungsgemäß wird die Aufgabe gelöst durch eine gattungsgemäße Vorrichtung zum Entgraten eines Werkstückes, bei der die Merkmale des kennzeichnenden Teiles des Patentanspruches 1 vorgesehen sind. Bei der erfindungsgemäßen Vorrichtung sind ein erster, die Führungsscheibe tragender Schlitten und ein zweiter, die Trägerplatte tragender Schlitten längs einer ersten bzw. zweiten Schlittenführung verfahrbar, wobei der zweite Schlitten unabhängig vom ersten Schlitten verfahrbar aber durch diesen mitnehmbar ist. Diese Konstruktion setzt in vorteilhafter Weise mit bekannten mechanischen Bauteilen die Grundidee der Erfindung um, wonach die Trägerplatte mit den Borstenbündeln eine Zustellbewegung relativ zur Führungsscheibe ausführen kann und das gesamte Bürstwerkzeug durch Verfahren des ersten Schlittens, der den zweiten Schlitten mitnimmt, verfahren werden kann.According to the invention the object is achieved by a generic device for deburring a workpiece, in which the features of the characterizing part of claim 1 are provided. In the apparatus according to the invention, a first carriage carrying the guide disk and a second carriage carrying the carrier plate are movable along a first or second carriage guide, wherein the second carriage is movable independently of the first carriage but can be moved by it. This construction sets in Advantageously, with known mechanical components to the basic idea of the invention, according to which the carrier plate with the bristle bundles can perform a feed movement relative to the guide disc and the entire brushing tool by moving the first carriage, which entrains the second carriage, can be moved.

Indem die Trägerplatte relativ zur Führungsscheibe längs der Rotationsachse verschiebbar angeordnet ist, kann sowohl das gesamte Bürstwerkzeug als auch die Trägerplatte mit den Borstenbündeln unabhängig von der Führungsscheibe zugestellt werden. Hierdurch kann der Verschleiß der Borstenbündel durch axiale Zustellung ausgeglichen werden, wodurch die Führungsscheibe des Bürstwerkzeugs ihren Abstand zur Werkstückoberfläche hält.By the carrier plate is arranged displaceable relative to the guide disc along the axis of rotation, both the entire brushing tool and the carrier plate with the bristle bundles can be delivered independently of the guide disc. In this way, the wear of the bristle bundles can be compensated by axial feed, whereby the guide disc of the brush tool keeps its distance to the workpiece surface.

In einer bevorzugten Ausgestaltung der erfindungsgemäßen Vorrichtung ist das Bürstwerkzeug relativ zum zu entgratenden Werkstück längs der Rotationsachse verschiebbar angeordnet. Damit kann bei unverändertem Borstenüberstand über der Führungsscheibe das gesamte Bürstwerkzeug zum Beispiel manuell verfahren werden, um entweder unterschiedlich große Werkstücke bearbeiten oder einen Wechsel von Borstenbündeln vornehmen zu können.In a preferred embodiment of the device according to the invention, the brushing tool is arranged displaceable relative to the workpiece to be deburred along the axis of rotation. Thus, with the bristle projection over the guide disk being unchanged, the entire brushing tool can be moved manually, for example, to either process workpieces of different sizes or to be able to make a change of bristle bundles.

In einer vorteilhaften Ausgestaltung der erfindungsgemäßen Entgratvorrichtung sind Anschlagmittel vorgesehen, mittels der die Führungsscheibe in einem definierten Abstand zum zu entgratenden Werkstück haltbar ist. Die Anschlagmittel garantieren eine einfache Einstellbarkeit des Bürstwerkzeugs nach manueller oder elektrischer Verstellung, um die Führungsscheibe wieder in ihren vorbestimmten optimalen Abstand zur Werkstückoberfläche zu bringen.In an advantageous embodiment of the deburring device according to the invention stop means are provided, by means of which the guide disc is durable at a defined distance from the workpiece to be deburred. The stop means guarantee easy adjustability of the brushing tool after manual or electrical adjustment to bring the guide disc back to its predetermined optimum distance from the workpiece surface.

Vorzugsweise sind die Anschlagmittel verstellbar angeordnet. Dadurch kann der Anschlag an die jeweilige Werkstückhöhe einer zu entgratenden Werkstückserie angepasst werden.Preferably, the stop means are arranged adjustable. As a result, the stop can be adapted to the respective workpiece height of a workpiece series to be deburred.

In einer weiteren vorteilhaften Ausführungsform der erfindungsgemäßen Entgratvorrichtung ist die Führungsscheibe mit einer im ersten Schlitten drehbar gelagerten Antriebswelle drehfest verbunden, außerdem ist die Trägerplatte mit einem im zweiten Schlitten drehbar gelagerten Aufnahmeflansch drehfest verbunden, welcher längs der ihn durchsetzenden Antriebswelle verschiebbar aber drehfest mit ihr verbunden ist. Hierdurch ist es möglich, die Verschiebbarkeit der einzelnen Schlitten längs der Rotationsachse mit der Momentenübertragung auf das Bürstwerkzeug zu kombinieren.In a further advantageous embodiment of the deburring device according to the invention, the guide disc is rotatably connected to a rotatably mounted in the first carriage drive shaft, also the support plate is rotatably connected to a rotatably mounted in the second carriage receiving flange, which is slidably connected but rotationally fixed along with him passing through the drive shaft , This makes it possible to combine the displaceability of the individual carriages along the axis of rotation with the torque transfer to the brushing tool.

In einer anderen bevorzugten Ausgestaltung der erfindungsgemäßen Vorrichtung trägt der zweite Schlitten eine Antriebseinheit, mittels der die Antriebswelle in Rotation um die Rotationsachse versetzbar ist. Vorzugsweise weist die Antriebseinheit einen Motor, ein Getriebe und eine Hohlwelle auf, durch welche die Antriebswelle geführt ist. Zur drehfesten Verbindung zwischen der Antriebswelle und der Hohlwelle sowie dem Aufnahmeflansch ist dabei in vorteilhafter Weise eine Passfeder vorgesehen.In another preferred embodiment of the device according to the invention, the second carriage carries a drive unit, by means of which the drive shaft is set in rotation about the axis of rotation. Preferably, the drive unit has a motor, a gear and a hollow shaft through which the drive shaft is guided. For non-rotatable connection between the drive shaft and the hollow shaft and the receiving flange while a key is provided in an advantageous manner.

In einer weiteren vorteilhaften Ausgestaltung der erfindungsgemäßen Entgratvorrichtung ist ein Kanalsystem für die Zuführung von Kühl- und/oder Schmiermittel zu dem mindestens einen Borstenbündel vorgesehen, welches wenigstens teilweise durch die Antriebswelle und durch die Führungsscheibe verläuft. Hierdurch kann Kühl- und/oder Schmiermittel von innen direkt an den Ort der Wärmeentwicklung beim Bürstvorgang gebracht werden. Durch die Zuführung von Kühl- und/oder Schmiermittel innerhalb der Führungsscheibe wird diese direkt gekühlt.In a further advantageous embodiment of the deburring device according to the invention, a channel system for the supply of coolant and / or lubricant to the at least one bundle of bristles is provided which extends at least partially through the drive shaft and through the guide disc. As a result, coolant and / or lubricant can be brought from the inside directly to the place of heat generation during the brushing process become. The supply of coolant and / or lubricant within the guide disc, this is cooled directly.

Ein Ausführungsbeispiel sowie weitere Vorteile der erfindungsgemäßen Entgratvorrichtung werden anhand der Zeichnungen nachfolgend näher erläutert, in deren einziger Figur ein Querschnitt der Vorrichtung schematisch veranschaulicht ist.An exemplary embodiment and further advantages of the deburring device according to the invention are explained in more detail below with reference to the drawings, in the single figure of which a cross-section of the device is illustrated schematically.

Gemäß der Figur weißt eine Vorrichtung zum Entgraten eines Werkstückes 10, welches auf einem Bearbeitungstisch 20 positioniert ist, ein um einen Rotationsachse R rotierendes Bürstwerkzeug 30 auf. Das Bürstwerkzeug 30 umfasst in dem Ausführungsbeispiel eine Vielzahl an auf einem Teilkreis um die Rotationsachse R verteilt angeordneten Borstenbündeln 31, die relativ zum Werkstück 10 eine rotatorische Vorschubbewegung VR und/oder eine translatorische Vorschubbewegung VT ausführen können. Dabei überstreichen die Borstenenden der Borstenbündel 31 die Oberfläche des Werkstückes 10 und tragen dabei Grate und scharfe Kanten ab.According to the figure, a device for deburring a workpiece 10, which is positioned on a processing table 20, has a brushing tool 30 rotating about a rotation axis R. In the exemplary embodiment, the brushing tool 30 comprises a multiplicity of bristle bundles 31 distributed on a pitch circle about the axis of rotation R, which can execute a rotational feed motion V R and / or a translatory feed motion V T relative to the workpiece 10. The bristle ends of the bristle bundles 31 sweep over the surface of the workpiece 10 and thereby carry away burrs and sharp edges.

Die Borstenbündel 31 des Bürstwerkzeugs 30 sind in einer Trägerplatte 32 mit ihrem oberen, gebundenen Ende festgeklemmt. Die frei austretenden Enden der Borsten am unteren Ende der Borstenbündel 31 sind durch Bohrungen in einer Führungsscheibe 33 des Bürstwerkzeugs 30 geführt. Die Borstenenden stehen dabei um einen vorbestimmten Überstand aus der Führungsscheibe 33 hervor, so dass durch Einstellen und Halten eines konstanten Abstandes d zwischen der Führungsscheibe 33 und der Oberfläche des Werkstückes 10 ein optimales Bearbeitungsergebnis erzielt wird.The bristle bundles 31 of the brushing tool 30 are clamped in a support plate 32 with its upper, bound end. The freely emerging ends of the bristles at the lower end of the bristle bundles 31 are guided through bores in a guide disk 33 of the brushing tool 30. The bristle ends project from the guide disk 33 by a predetermined projection, so that by setting and maintaining a constant distance d between the guide disk 33 and the surface of the workpiece 10, an optimum machining result is achieved.

Die Einstellung dieses optimalen Abstandes d erfolgt durch die Fixierung eines einstellbaren Anschlages 43 für einen ersten Schlitten 40, welcher etwa manuell längs einer ersten Schlittenführung 41 verfahrbar ist und die Führungsscheibe 33 über eine Antriebswelle 42 trägt.The setting of this optimal distance d is achieved by fixing an adjustable stop 43 for a first carriage 40, which is approximately manually along a first slide guide 41 and movable, the guide plate 33 via a drive shaft 42 carries.

Um den Verschleiß der Borstenbündel 31 ausgleichen zu können, kann die Trägerplatte 32 des Bürstwerkzeugs 30 eine von der Führungsscheibe 33 unabhängige Zustellbewegung Z parallel zur Rotationsachse R ausführen. Hierzu ist die Trägerplatte 32 mit einem Aufnahmeflansch 52 drehfest verbunden, der über eine Lagerung 53 von einem zweiten Schlitten 50 getragen wird. Der zweite Schlitten 50 ist längs einer zweiten Schlittenführung 51 - etwa durch nicht dargestellte Antriebsmittel - unabhängig vom ersten Schlitten 40 verfahrbar.In order to be able to compensate for the wear of the bristle bundles 31, the support plate 32 of the brushing tool 30 can execute a feed movement Z independent of the guide plate 33, parallel to the axis of rotation R. For this purpose, the support plate 32 is rotatably connected to a receiving flange 52 which is supported by a bearing 53 by a second carriage 50. The second carriage 50 is along a second slide guide 51 - for example by means not shown drive means - independently of the first carriage 40 movable.

Ist das gesamte Bürstwerkzeug 30 zu verstellen, etwa für einen Wechsel von Borstenbündeln 31 oder zur Anpassung an andere Werkstückshöhen, so wird der erste Schlitten 40 manuell nach oben gefahren, wobei der zweite Schlitten 50 vom ersten Schlitten 40 mitgenommen wird.If the entire brushing tool 30 is to be adjusted, for example for a change of bundles of bristles 31 or for adaptation to other workpiece heights, then the first carriage 40 is manually moved upwards, the second carriage 50 being taken along by the first carriage 40.

Der zweite Schlitten 50 trägt außerdem eine Antriebseinheit, die einen Motor 54, ein Getriebe 55 sowie eine Hohlwelle 56 umfasst, welche von der Antriebswelle 42 durchsetzt ist. Die Antriebswelle 42 durchsetzt außerdem den Aufnahmeflansch 52 des zweiten Schlittens 50 und die Trägerplatte 32. Die Hohlwelle 56 überträgt ihr Drehmoment über eine Passfeder 60 auf die Antriebswelle 42, die wiederum über die Passfeder 60 ein Drehmoment weiter auf den Aufnahmeflansch 52 übergibt. Die Passfederverbindung erlaubt ein axiales Verschieben des ersten Schlittens 50 mit seinen Komponenten relativ zum ersten Schlitten 40.The second carriage 50 also carries a drive unit comprising a motor 54, a gear 55 and a hollow shaft 56 which is penetrated by the drive shaft 42. The drive shaft 42 also passes through the receiving flange 52 of the second carriage 50 and the support plate 32. The hollow shaft 56 transmits its torque via a key 60 on the drive shaft 42, which in turn passes on the key 60 a torque on the receiving flange 52. The keyway allows axial displacement of the first carriage 50 with its components relative to the first carriage 40.

Um die beim Bürstprozess entstehenden Wärme abzutransportieren ist ein Kanalsystem 70 für die Zuführung von Kühl- und/ oder Schmiermittel K/S vorgesehen, welches innerhalb der erfindungsgemäßen Entgratvorrichtung verläuft. Hierzu ist die Antriebswelle 42 als Hohlwelle mit einem Axialkanal 70 ausgeführt, in welchen Kühl- und/oder Schmiermittel K/S etwa durch einen nicht dargestellten Drehverteiler eingespeist wird. Am in der Führungsscheibe 30 verankerten, unteren Ende der Antriebswelle 42 schließen sich innerhalb der Führungsscheibe 33 verlaufende Radialkanäle 70 an, durch die das Kühl- und/oder Schmiermittel K/S durch die Zentrifugalkraft getrieben nach außen zu den Borstenbündeln 31 gefördert wird. Damit steht das Kühl- und/oder Schmiermittel K/S direkt an dem Ort zur Verfügung, an welchem die prozessbedingte Wärmeentwicklung stattfindet. Dies erfolgt im Übrigen unabhängig vom Verschleiß der Borstenbündel 31.In order to carry off the heat generated during the brushing process, a channel system 70 for the supply of coolant and / or lubricant K / S is provided, which extends within the deburring device according to the invention. For this purpose, the drive shaft 42 is designed as a hollow shaft with an axial channel 70, in which coolant and / or lubricant K / S is fed approximately by a rotary distributor, not shown. At anchored in the guide plate 30, the lower end of the drive shaft 42 close within the guide disc 33 extending radial channels 70, through which the cooling and / or lubricant K / S is conveyed outwards to the bristle bundles 31 driven by the centrifugal force. Thus, the coolant and / or lubricant K / S is available directly at the place where the process-related heat development takes place. Incidentally, this takes place independently of the wear of the bristle bundles 31.

Bei elektromechanischer Zustellung entfällt in vorteilhafter Weise ein zweiter Antriebsmotor und die dazugehörige Hard- und Software. Erfindungsgemäß wird ein einfacher mechanischer Aufbau mit nur einer Zustellung erreicht. Der Platzbedarf der erfindungsgemäßen Lösung ist verhältnismäßig gering.In electromechanical delivery eliminates advantageously a second drive motor and the associated hardware and software. According to the invention a simple mechanical construction is achieved with only one delivery. The space requirement of the solution according to the invention is relatively low.

Claims (9)

  1. Device for removing burr from a workpiece (10), comprising at least one brushing tool (30) which is rotatably mounted about a rotation axis (R) and which has a support plate (32), in which at least one bristle bundle (31) is held, and a guide disc (33) which is arranged at a distance from and in a rotationally fixed manner relative to the support plate (32) and through which the at least one bristle bundle (31) is passed with its freely emerging bristles, wherein the support plate (32) is arranged such as to be displaceable along the rotation axis (R) relative to the guide disc (33), characterized in that a first slide (40) carrying the guide disc (33) and a second slide (50) carrying the support plate (32) are traversable along a first and a second slideway (41, 51), respectively, wherein the second slide (50) is traversable independently of the first slide (40) but can be carried along by the latter.
  2. Device according to Claim 1, characterized in that the brushing tool (30) is arranged such as to be displaceable along the rotation axis (R) relative to the workpiece (10) from which burr is to be removed.
  3. Device according to Claim 1 or 2, characterized in that stop means (43) are provided, by means of which the guide disc (33) can be held at a defined distance (d) from the workpiece (10) from which burr is to be removed.
  4. Device according to Claim 3, characterized in that the stop means (43) are arranged to be adjustable.
  5. Device according to Claim 4, characterized in that the guide disc (33) is connected in a rotationally fixed manner to a drive shaft (42) rotatably mounted in the first slide (40), in that the support plate (32) is connected in a rotationally fixed manner to a locating flange (52) which is rotatably mounted in the second slide (50) and which is displaceable along the drive shaft (42), passing through it, but in such a way as to be connected to the latter in a rotationally fixed manner.
  6. Device according to Claim 5, characterized in that the second slide (50) carries a drive unit, by means of which the drive shaft (42) can be set in rotation about the rotation axis (R).
  7. Device according to Claim 6, characterized in that the drive unit has a motor (54), gearing (55) and a hollow shaft (56), through which the drive shaft (42) is passed.
  8. Device according to Claim 7, characterized in that a feather key (60) is provided for the rotationally fixed connection between the drive shaft (42) and the hollow shaft (56) and the locating flange (52).
  9. Device according to one of Claims 5 to 8, characterized in that a passage system (70) is provided for the feeding of coolant and/or lubricant (K/S) to the at least one bristle bundle (31), said passage system (70) running at least partly through the drive shaft (42) and through the guide disc (33).
EP06123579A 2005-12-19 2006-11-07 Burr removing device Not-in-force EP1797994B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005061128A DE102005061128B3 (en) 2005-12-19 2005-12-19 Deburring device, comprises rotating brush and guiding disk adjustable in height in relation to one another

Publications (2)

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EP1797994A1 EP1797994A1 (en) 2007-06-20
EP1797994B1 true EP1797994B1 (en) 2009-04-08

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EP06123579A Not-in-force EP1797994B1 (en) 2005-12-19 2006-11-07 Burr removing device

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EP (1) EP1797994B1 (en)
AT (1) ATE427808T1 (en)
DE (2) DE102005061128B3 (en)

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CN104588781B (en) * 2014-12-09 2017-01-18 鞍钢集团矿业公司 Machining device for grid beam internal surface of attachment type rough shattering machine
CN110475645B (en) * 2017-03-29 2022-05-27 日东工器株式会社 Handheld Deburring Machine
CN108745991A (en) * 2018-06-22 2018-11-06 无锡市诚信洗选设备有限公司 The ground purpose-built washing equipment of spare brushing tool is installed
CN109015302B (en) * 2018-09-29 2019-08-02 河北省特种设备监督检验研究院 A kind of quick grinding device of pressure vessel
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CN112536695A (en) * 2020-11-06 2021-03-23 河北华丰能源科技发展有限公司 Pipeline rust removing device
CN118081381B (en) * 2024-04-26 2024-08-02 山东汇锋传动股份有限公司 Automatic slotting equipment for high-speed precise gear

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CN104259939A (en) * 2014-09-26 2015-01-07 谭臻憬 Height self-compensating knife grinder device

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EP1797994A1 (en) 2007-06-20
DE502006003371D1 (en) 2009-05-20
DE102005061128B3 (en) 2007-01-04
ATE427808T1 (en) 2009-04-15

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