EP3144102A1 - Vorrichtung zur nachbearbeitung mindestens eines plattenförmigen werkstücks - Google Patents

Abstract

The invention relates to a device (1) for finishing at least one plate-shaped workpiece (2) which is provided on at least one narrow side (3) with an edge band (4), wherein the device (1) in one of the workpiece (2) in the flow processing machine (5) and viewed in the direction of passage (6) following to a transverse to the longitudinal extent of the edge strip (4) existing overhang of the edge strip (4) abortenden chip tool (7) of the machine (5) can be arranged, characterized in that the device (1) at least one brushing unit (8) with at least one brushing tool (9) and at least one adjusting device (10), wherein the brushing unit (8) by means of the adjusting device (10) towards and away from the workpiece (2) is movable.

Description

The present invention relates to a device for finishing at least one plate-shaped workpiece, which is provided on at least one narrow side with an edge band, a method for processing at least one plate-shaped workpiece in the passage and a use of at least one brushing unit with at least one brushing tool for removing a release agent of at least a broad side of a plate-shaped workpiece or of an edge band attached to at least one narrow side of the workpiece.

It is known that furniture panels made of wood or a wood material edge side or on its narrow side with a so-called edge band are coated. This is done in modern furniture manufacturing companies usually by means of at least one furniture plate in the processing machine. Such machines are also referred to as a continuous machine and / or edge banding machine. Within this machine, the furniture panel is moved, for example by means of at least one conveyor belt (continuously) progressively from one processing station to the next. Thus, the furniture panel passes through the machine.

The edge band also serves in particular to improve the appearance of the furniture panel and hereby complements the regularly existing on the upper and / or lower broad side of the furniture panel decorative layer. In addition, the wooden core of the furniture panel is protected by the edge band and decorative layers. The edge band is usually made of polishable plastic, such. As acrylic or the like and can be tackified at least on one side by a thermal treatment, wherein the thermal treatment, for example, by means of at least one laser beam or by means of plasma jets. alternative or cumulatively, an adhesive may be applied to the edge band and / or the narrow side of the furniture panel prior to application.

When attaching the edge band or when coating the narrow side of the furniture panel with the edge band, however, it should be prevented that the decor layer already present on the underside and / or top broad side of the furniture panel is damaged and / or permanently contaminated. Care must be taken in this connection, in particular, that adhesive residues and / or material emerging from the adhesive joint between edge band and furniture panel (adhesive and / or liquefied or molten plastic) can not permanently adhere to the decorative layer (s) ,

For this purpose, a release agent is applied at least to portions of the lower and / or upper side broad side of the furniture panel usually at the beginning of the manufacturing process. In this case, the release agent is applied at least in an edge region of the broad side which is assigned to the edge band to be attached, in order to prevent adhesion of adhesive in this marginal side region of the broad side. Here, particularly good results could be achieved with release agents that adhere relatively strongly or firmly to the surface of the furniture panel.

In connection with such release agents, however, there is the problem that these, due to their strong or firm adhesion to the surface of the furniture panel, then difficult to be removed from this again. However, a complete removal is desirable and requires by conventional means a lot of time, especially if the furniture panel has to be cleaned again by hand because of still adhering release agent.

In addition, when attaching the edge band to the narrow side of the furniture panel to take into account that these workpieces usually certain unevenness, so-called thickness tolerances have. Because of these thickness tolerances of a respective furniture panel, the width of the edge band to be attached can not be adapted from the outset exactly to the thickness or height of the furniture panel. Rather, the edge band is regularly first provided with a transversely to the longitudinal extent of the edge strip provided supernatant on the narrow side of the furniture panel so that the top side and / or underside of the furniture panel after sticking the edge band remains a certain supernatant to always complete coverage of the plate edge or the Narrow side of the furniture panel to ensure.

This supernatant must then be removed in a subsequent processing step. For this purpose, usually suitable chip tools, such as cutters, scrapers or the like are used. However, these cutting tools can affect or damage the visible surface of the edge band. As a result of the cutting removal, it may, for. B. come to an increased surface roughness and / or matting of the visible surface of the edgeband. Therefore, a further processing step should follow the cutting removal, which processes the visible surface of the edge band again in accordance with the optical requirements for a defect-free and / or glossy surface of the edge band.

On this basis, it is an object of the present invention, at least partially solve the problems described with reference to the prior art. In particular, at least one device, a method and a use are to be specified, each of which enables the most efficient, cost-effective, mechanical and / or preferably complete removal of a release agent from a piece of furniture. In addition, at least the device, the Method and / or the use also to be suitable, in addition to and / or at the same time to remove the release agent to edit at least a portion of the visible surface of the edgeband, in particular to polish.

These objects are achieved with a device according to the features of patent claim 1, a method according to the features of patent claim 7 and a use according to the features of patent claim 10. Further advantageous embodiments of the solution proposed here are specified in the dependent claims. It should be noted that the features listed individually in the dependent claims can be combined with each other in any technologically meaningful manner and define further embodiments of the invention. In addition, the features specified in the claims are specified and explained in more detail in the description, wherein further preferred embodiments of the invention are shown.

Serves for this purpose a device for reworking at least one plate-shaped workpiece, in particular a furniture plate, which is provided or coated on at least one narrow side with an edge band. The device can be arranged or arranged, viewed in the direction of passage, in a machine that processes the workpiece in a continuous manner to a cutting tool of the machine, which can remove a protrusion of the edge strip present transversely to the longitudinal extent of the edge strip. The device has at least one brushing unit with at least one brushing tool and at least one adjusting device. The brushing unit is movable or deliverable by means of the adjusting device towards and away from the workpiece.

Preferably, the device has two brushing units, each with a brushing tool. In addition, the Bürsteggregat also a brushing tool in Operation driving drive motor include. More preferably, the device has two adjusting devices, which are each associated with a brushing unit. The brushing tool is preferably a brush belt. Depending on the nature of the brush belt, ie, for example, depending on the density of the bristles of the brush belt and / or depending on the material selection of the bristles or brushes of the brush belt, the brush belt can be better suited for removing release agent and / or better for polishing the edge band.

The texture of the brush belt is preferably designed such that it is suitable and intended both for removing release agent and for polishing at least a portion of a visible surface of the edge band. In particular, the brushing tool is not a (pure) polishing brush, polishing buff, polishing pad, polishing belt, or the like. Such pure polishing tools are not suitable in particular for the efficient and complete removal of the release agent. Accordingly, the solution proposed here explicitly turns away from such pure polishing tools in particular. Preferably, the brushing tool comprises a plurality of different bristles or bristle units, wherein a single bristle or Bosteneinheit z. B. is designed in the manner of a tab or a lamella and in the direction along the brushing tool several different lobes / lamellae (with respect to material, surface and / or rigidity) are provided one behind the other. The bristle units and / or lamellae preferably comprise at least one embodiment from the following group: sisal fabric, felt, cotton fabric, fleece. Particular preference is provided between the bristle units or slats column. The bristles or bristle units are preferably arranged on a carrier tape.

The at least one brushing unit is movable by means of the adjusting device towards and away from the workpiece. Preferably, the brushing unit is translationally and / or rotationally movable by means of the adjusting device, for. B. height adjustable and / or pivotable. In particular, the adjusting device has the advantage that the position of the brushing unit can be continuously tracked or adjusted in relation to the workpiece surface to be machined. Thus, the actuator may serve to tolerances and / or local properties of the workpiece, for. B. thickness tolerances of a furniture board, to take into account and possibly even compensate.

Preferably, the brushing unit is translationally movable by means of the adjusting device. As a result, the adjusting device can provide a height adjustment of the brushing unit. To allow the translational movement, the adjusting device preferably has at least one spindle drive and / or at least one, in particular electronically drivable, threaded spindle or movement screw or the like.

According to an advantageous embodiment, it is proposed that the device has two brushing units, wherein the brushing tools of the brushing units are aligned differently to the passage direction. Preferably, the Bürstwergkzeuge are skewed aligned. Such alignment of the brushing tools may allow for simultaneous removal of release agent from portions of upper and lower broad sides of the workpiece and also for parallel machining, particularly polishing, of at least a portion of a visible surface of an edge band attached to a narrow side of the workpiece ,

It is also proposed that the brushing unit has a pivoting device, in particular at least one joint, for pivoting the brushing tool, wherein the brushing tool can be fixed in at least one pivoted position. Preferably, the pivoting device is designed so that the brushing tool are pivoted in at least two (orthogonal to each other) levels can. In particular, the pivoting device is a so-called two-axis pivoting device, which allows pivoting about two (perpendicular to each other aligned and / or intersecting) axes. The pivoting device can with fixing, z. As screws, clamps, bolts, cotter pins or the like, be performed for fixing the brushing tool in the desired, pivoted position.

Furthermore, it is advantageous if the brushing tool has at least one brush belt guided between a drive roller and a tensioning roller. The tensioning roller serves to tension the brush belt. Preferably, the drive roller and the tension roller are held on a common (elongated) plate or a frame of the brushing unit. Preferably, the tension roller is spring-biased and can be moved translationally in relation to the drive roller.

Furthermore, the brushing unit for force and / or torque transmission between the drive motor and the brushing tool comprise a clutch. The coupling can be provided and arranged to provide a damped, in particular torsionally damped, force and / or torque transmission and / or at least partially absorb impacts occurring during operation. Preferably, the clutch is a dog clutch. Particularly preferably, the dog clutch has an elastic toothed rim.

According to an advantageous embodiment, it is proposed that the brush belt viewed in the circumferential direction of the brush belt is (only) partially formed with outwardly facing bristles. Preferably, however, the brush belt is viewed in the circumferential direction of the brush belt completely formed with outwardly facing bristles. Particularly preferably, the brush belt is formed transversely to its circumferential direction multi-row with outwardly facing bristles. Further preferred the bristles are oriented obliquely (but not vertically) relative to the brush belt.

According to an advantageous embodiment, the brushing unit is movable towards the workpiece so that the brushing tool at least partially comes into (direct) contact both with a broad side of the workpiece and with the edge band applied on the narrow side. Such a movement may result from the fact that the Bürstwerkzeug the Bürstgregats pivoted by means of the pivoting device to the passage direction (and fixed in the pivoted position) and the Bürstem aggregate by means of the adjusting device (translationally) to the workpiece (from bottom to top or from top to bottom ) is approached. Such a movement of the brushing unit has the advantage that the brushing tool thus brought to the workpiece makes it possible, in addition to and / or in parallel to the removal of the separating agent, to process, in particular to polish, at least a portion of the visible surface of the edge band.

The device may also include at least one polish additive device. This can be set up and intended to bring the brushing tool into contact with a polishing agent, in particular a polishing compound. The polishing agent may be a hard wax or a (viscous) liquid or pasty polishing agent. For example, a hard wax may be (spring) biased against the brushing tool and / or a liquid or pasty polishing agent may be sprayed onto the brushing tool.

1. a) Aufbringen eines Trennmittels zumindest auf einen Teilbereich einer Breitseite des Werkstücks,
2. b) Befestigen eines Kantenbands an mindestens einer Schmalseite des Werkstücks,
3. c) Entfernen des Trennmittels mit einer Vorrichtung zur Nachbearbeitung, die mindestens ein Bürstaggregat mit mindestens einem Bürstwerkzeug und mindestens eine Stelleinrichtung umfasst, wobei das Bürstaggregat mittels der Stelleinrichtung hin zu und weg von dem Werkstück bewegt werden kann.

According to a further aspect, a method for processing at least one plate-shaped workpiece in a continuous motion is proposed. The method comprises at least the following steps:

1. a) applying a release agent to at least a portion of a broad side of the workpiece,
2. b) attaching an edge band to at least one narrow side of the workpiece,
3. c) removing the release agent with a device for finishing, comprising at least one brushing unit with at least one brushing tool and at least one adjusting device, wherein the brushing unit can be moved by means of the adjusting device towards and away from the workpiece.

The above-indicated sequence of the method steps results in a regular operation of a workpiece machining a machine. The process steps a) to c) can be carried out continuously repeatedly. The method steps a) to c) can at least partially be carried out or repeated in parallel in time.

Preferably, the application of the release agent in step a) by means of at least one spraying device, in particular a nozzle, which is particularly preferably arranged in the inlet region of a workpiece in a continuous machine. In particular, the release agent is applied to an edge region of the upper side and / or lower side broad side of the workpiece assigned to the edge band to be fastened. A release agent is understood here to mean a (liquid) agent which prevents adherence of adhesive substances, such as, for example, adhesives. As adhesives, molten plastic or the like, prevented on a wetted with the release agent surface. By means of this liquid release agent it is prevented that laterally leaking glue or adhesive residues adhere to the surface of the plate in an edge coating of the continuous plate, so that a subsequent cleaning is made possible. The devices proposed here are particularly suitable for release agents that have a high Have evaporation rate and thus adhere for a long time or even partially stick with chips.

According to an advantageous embodiment, it is proposed that in step b) the edge band is glued to the at least one narrow side, wherein the applied release agent prevents adhesion of the adhesive on the broad side of the workpiece. Preferably, the fixing of the edge band in step b) takes place by means of a heat input or a thermal treatment, for example by means of at least one laser beam or by means of plasma jets. More preferably, in step b) (cumulatively) pressing of the edge band to the narrow side of the workpiece by means of a pressure roller.

According to an advantageous embodiment, it is proposed that in step c) the removal of the release agent takes place by means of a device proposed here. Preferably, in step c) both a removal of the release agent from at least one broad side of the workpiece, as well as an editing, in particular polishing, at least a portion of a visible surface of the (plastic) edge band.

Preferably, after step b) and before step c), an ablation of the protrusions of the edge band present transversely to the longitudinal extent of the edge band takes place. This can be done by means of at least one cutting tool, such. As a (edging) cutter, scrapers or the like, done.

The details, features and advantageous embodiments discussed above in connection with the device can accordingly also occur in the method presented here and vice versa. In that regard, reference is made in full to the statements there for a more detailed characterization of the features.

According to a further aspect, a (non-manual or manual) use of at least one brushing unit with at least one brushing tool for (automatic) removal of a release agent of at least one broad side of a plate-shaped workpiece, in particular piece of furniture, or of a plastic (at least one narrow side of the workpiece -) Edge band proposed, wherein the brushing tool for removing the release agent has at least one brush belt.

For this purpose, a device proposed here is preferably used, in particular within a machine that processes a workpiece in a continuous process. More preferably, the at least one brushing unit is used both for removing the release agent and for polishing the edge band.

The details, features and advantageous embodiments discussed above in connection with the device and / or the method can accordingly also occur with the use presented here and vice versa. In that regard, reference is made in full to the statements there for a more detailed characterization of the features.

Fig. 1:

eine ein Werkstück im Durchlauf bearbeitende Maschine,

Fig. 2:

eine Seitenansicht einer Vorrichtung zur Nachbearbeitung mindestens eines plattenförmigen Werkstücks,

Fig. 3:

ein Bürstaggregat,

Fig. 4:

eine perspektivische Ansicht einer Vorrichtung zur Nachbearbeitung mindestens eines plattenförmigen Werkstücks,

Fig. 5:

eine weitere perspektivische Ansicht einer Vorrichtung zur Nachbearbeitung mindestens eines plattenförmigen Werkstücks, und

Fig. 6

eine Explosionsansicht einer Kupplung, die in einer hier vorgeschlagenen Vorrichtung verwendet werden kann.

The invention and the technical environment will be explained in more detail with reference to the figures. It should be noted that the invention should not be limited by the embodiments shown. In particular, unless explicitly stated otherwise, it is also possible to extract partial aspects of the facts explained in the figures and to combine them with other components and / or findings from other figures and / or the present description. They show schematically:

Fig. 1:

a machine processing a workpiece in the course,

Fig. 2:

a side view of an apparatus for reworking at least one plate-shaped workpiece,

3:

a brushing unit,

4:

a perspective view of an apparatus for reworking at least one plate-shaped workpiece,

Fig. 5:

a further perspective view of an apparatus for reworking at least one plate-shaped workpiece, and

Fig. 6

an exploded view of a coupling that can be used in a device proposed here.

Fig. 1 schematically shows a plate-shaped workpiece 2 in the processing machine 5. The plate-shaped workpiece 2 is an example of a furniture panel. On the narrow side 3 of the workpiece 2, an edge band 4 is attached by means of the machine 5. For this purpose, the workpiece 2 passes through the machine 5 in a direction of passage 6, wherein the machine 5 here by way of example has two conveyor belts 20, between which the workpiece 2 is progressively movable in the passage. When viewed in the direction of passage 6, a release agent 17 is first applied to the broad sides 16 of the plate-shaped workpiece 2 by means of spraying devices 19. The release agent 17 is intended to prevent sticking of adhesive agents, for example of an adhesive, on the broad sides 16 of the workpiece 2. An adhesive agent is, however, regularly required on the narrow sides 3 of the workpiece 2 in order to connect the edge band 4 to the workpiece 2 with a material fit.

Viewed in the direction of passage 6, the separating agent application by means of the spraying 19 different downstream, the workpiece 2 in the processing, processing stations downstream. First, the still uncoated edges on the narrow side 3 of the workpiece 2 are processed with format cutters 23. Subsequently, for example, a previously heated edge band 4 is pressed against the narrow side 3 of the workpiece 2 by means of a pinch roller 24, wherein a material connection of the edge band 4 with the narrow side 3 of the workpiece 2 is preferably carried out by laser or plasma jets, with which the example at least one side adhesive Edge band 4 can be heated until the adhesive activation.

In order to be able to take account of unevenness of the workpiece 2, the edge band 4 is usually fastened to the narrow side 3 with a projection projecting upwards and downwards over the workpiece 2. This supernatant is then first coarse, by means of capping 21, such as chop saws, and then precisely, by means of cutting tools 7, in particular by means of edge cutters, which are tracked depending on the local thickness (height) of the workpiece 2, removed or removed.

After the removal of the transversely to the longitudinal extent of the edge band 4 existing protrusions of the edge band 4 takes place a removal of the release agent 17 of the workpiece 2. This is a device 1 for post-processing of the workpiece 2, wherein the device 1 according to the illustration Fig. 1 in which the workpiece 2 in the pass-processing machine 5 and in the direction of passage 6 considered below to the chip 7 of the machine 5 is arranged. It is shown that the device 1 comprises two brushing units 8, each with a brushing tool 9 and two adjusting devices 10. Thus, each brush unit 8 by means of the associated adjusting device 10 toward and away from the workpiece 2 (translationally) movable.

The adjusting devices 10 are in operative connection with a control unit 25. The adjusting devices 10 are formed here by way of example by means of threaded spindles or movement screws, along which the brushing units 8 (independently of one another) can move upwards or downwards. In order to be able to specify such a movement of the brushing units 8, the control unit 25 is formed here with two electric motors each driving a threaded spindle and an electronic control unit.

In Fig. 1 It can be seen that the brushing tools 9 of the brushing units 8 are aligned differently with respect to the passage direction 6 (skewed). In order to achieve this different orientation, each brush unit 8 is designed with a pivoting device 11. It is also shown that each brushing unit 8 is designed with an electronic drive motor 22 and each brush tool 9 driven thereby with a brush belt 14. Depending on the nature and orientation of the brush belt 14, the brush belt 14 can be used simultaneously for removing the release agent 17 and for polishing the edge band 4.

Fig. 2 schematically shows a side view of an apparatus 1 for reworking at least one plate-shaped workpiece 2. In a partial area 18 (edge region) of the broad sides 16 of the workpiece 2, the release agent 17, which is applied to both the upper and on the lower broadside 16, too detect. On the narrow side 3 of the workpiece 2, an edge band 4 is attached.

As shown Fig. 2 the device 1 is formed with two brush units 8 and two adjusting devices 10. Here, the adjusting devices 10 serve to adjust the height of the brushing units 8, so that they can be moved as precisely as possible to the surface of the workpiece 2 to be machined.

The brushing units 8 are formed with drive motors 22 and brush tools 9, wherein the brush tools 9 each have a driven brush belt 14. The brush belts 14 are designed to remove the release agent 17 with bristles 15.

In Fig. 2 It can be seen that each brushing unit 8 has a pivoting device 11 for pivoting the brushing tool 9, wherein the brushing tool 9 can be fixed in at least one pivoted position. Thus, the brushing tools 9 can be aligned very variable with respect to the workpiece 2 to be machined. Depending on the orientation of the brushing tool 9 and depending on the nature of the brush belts 14 (density of the bristles 15), a removal of release agent 17 and at least partially a polishing of the visible areas of the edge band 4 can take place simultaneously.

Fig. 3 schematically shows a brushing unit 8, the view is directed from the front of the one brushing tool 9 of the brushing unit 8. The brush tool 9 has a guided between a drive roller 12 and a tension roller 13 brush belt 14. The drive roller 12 is connected to an electronic drive motor 22. It is shown by way of example that the brush belt 14, viewed in the circumferential direction of the brush belt 14, is only partially formed with outwardly facing bristles 15. In addition, a pivoting device 11 for pivoting the brush tool 9 (by means of hidden edges) is located.

Fig. 4 schematically shows a perspective view of a device 1 for reworking at least one plate-shaped workpiece 2. The view is here laterally and directed from the front of the device 1. Two brushing units 8 can be seen, each of which has a brushing tool 9 connected to a drive motor 22. The brush belts 14 have been omitted here to illustrate the configuration of the drive rollers 12 and the tension rollers 13. Both brushing tools 9 are pivoted by means of pivoting devices 11 and fixed so that the brushing tools 9 are aligned differently with respect to a passage direction 6 of a workpiece 2 to be machined. In addition, it can be seen that the brushing units 8 are adjustable or movable in height by means of adjusting devices 10.

Fig. 5 schematically shows a further perspective view of a device 1 for finishing at least one plate-shaped workpiece 2. In Fig. 5 the view is directed from the back to the device 1. Thus, the two adjusting devices 10 of the device 1 and the two pivoting devices 11 of the two brushing units 8 are clearly visible. The pivoting devices 11 are set up and intended to be able to align the brushing tools 9 in fixable positions, skewed relative to one another. The alignment of the brushing tools 9 by means of the pivoting devices 11 allows the brushing units 8 to be moved toward the workpiece 2 such that the brushing tools 9 are at least partially in contact both with a broad side 16 of the workpiece 2 and with the edge band 4 applied on the narrow side 3 can get in contact. Moreover, in Fig. 5 shown that the adjusting devices 10 are executed with threaded spindles 26.

Fig. 6 shows an exploded view of a coupling 27, which can be used in a device proposed here (not shown). The clutch 27 is exemplified here as a dog clutch. The clutch 27 has a first hub 28, a second hub 29 and a toothed rim 30 arranged between them. The clutch 27 can (not shown here) in a brushing unit (not shown here) of the device proposed here for the transmission of force and / or torque between the drive motor (not shown here) and the brushing tool (not shown here) of the brushing unit serve. For this purpose, the first hub 28 with a motor shaft (not shown here) of the drive motor (rotationally fixed) and the second hub 29 with a drive shaft (not here shown) of the drive roller (not shown here) of the Bürstaggregat (rotationally fixed) to be connected. The ring gear 30 has here, for example, four teeth, which provide (in the circumferential direction) a positive connection between opposing jaws of the dog clutch. Furthermore, the ring gear 30 is exemplified with an elastic material, such as an elastic plastic, in particular polyurethane, formed. Thus, the clutch 27 can provide a damped force and / or torque transmission between the drive motor and the brush tool and / or at least partially absorb impacts occurring during operation, for example by the movement of the workpiece (not shown here). As a result, a (back-) acting on the drive motor during operation load can be reduced.

There is provided herein an apparatus, a method and a use which at least partially solve the problems described with reference to the prior art. In particular, the device, the method and the use in each case make it possible to achieve the most efficient, cost-effective, mechanical and preferably complete removal of a release agent from a piece of furniture. In addition, the device, the method and the use are also suitable for additionally and / or in parallel to the removal of the release agent to process at least a portion of the visible surface of the edge band, in particular to polish.

LIST OF REFERENCE NUMBERS

1

contraption

2

workpiece

3

narrow side

4

edge band

5

machine

6

Throughput direction

7

clamping tool

8th

Brushing

9

brush tool

10

setting device

11

Pivot means

12

capstan

13

idler

14

brush belt

15

bristles

16

broadside

17

release agent

18

subregion

19

spraying

20

conveyor belt

21

capping

22

drive motor

23

format router

24

pinch

25

control unit

26

screw

27

clutch

28

first hub

29

second hub

30

sprocket

Claims (10)

Device (1) for finishing at least one plate-shaped workpiece (2) which is provided on at least one narrow side (3) with an edge band (4), wherein the device (1) in a machine (5) machining the workpiece (2) in the pass ) and viewed in the direction of passage (6) can be arranged subsequently to a chip removal tool (7) of the machine (5) that removes a protrusion of the edge band (4) transversely to the longitudinal extent of the edge band (4),
characterized in that
the device (1) comprises at least one brushing unit (8) with at least one brushing tool (9) and at least one adjusting device (10), wherein the brushing unit (8) can be moved towards and away from the workpiece (2) by means of the adjusting device (10) is. Device according to Patent Claim 1, characterized in that the device (1) has two brushing units (8), the brushing tools (9) of the brushing units (8) being differently aligned with the passage direction (6). Device according to claim 1 or 2, characterized in that the brushing unit (8) has a pivoting device (11) for pivoting the brushing tool (9), wherein the brushing tool (9) can be fixed in at least one pivoted position. Device according to one of the preceding claims, characterized in that the brushing tool (9) has at least one brush belt (14) guided between a drive roller (12) and a tension roller (13). Apparatus according to claim 4, characterized in that the brush belt (14) in the circumferential direction of the brush belt (14) viewed partially with outwardly facing bristles (15) is formed. Device according to one of the preceding claims, characterized in that the brushing unit (8) is movable towards the workpiece (2) that the brushing tool (9) at least partially with both a broad side (16) of the workpiece (2) and the on the narrow side (3) applied edge band (4) comes into contact. Method for processing at least one plate-shaped workpiece (2) in the passage, characterized in that the method comprises at least the following steps: a) applying a release agent (17) at least to a portion (18) of a broad side (16) of the workpiece (2), b) fixing an edge band (4) to at least one narrow side (3) of the workpiece (2), c) removing the separating means (17) with a device (1) for finishing, comprising at least one brushing unit (8) with at least one brushing tool (9) and at least one adjusting device (10), wherein the brushing unit (8) by means of the adjusting device (8) 10) towards and away from the workpiece (2). A method according to claim 7, wherein in step b) the edge band (4) is glued to the at least one narrow side (3), and wherein the applied release agent (17) prevents adhesion of the adhesive on the broad side (16) of the workpiece (2) , Method according to one of the claims 7 or 8, wherein in step c) the removal of the separating means (17) by means of a device (1) according to one of the claims 1 to 6 takes place. Use of at least one brushing unit (8) with at least one brushing tool (9) for removing a release agent (17) from at least one broad side (16) of a plate-shaped workpiece (2) or one attached to at least one narrow side (3) of the workpiece (2) Edge band (4), wherein the brushing tool (9) for removing the separating means (17) has at least one brush belt (14).

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