DEVICE FOR REWORKING AT LEAST ONE PLATE-SHAPED WORKPIECE

Description

[0001] The invention relates to a machine for processing a furniture panel, according to the preamble of claim 1. Such a machine is known from document DE 20 2020 101072.

[0002] It is known that furniture panels made of wood or wood-based materials are coated on their edges, or narrow sides, with an edge banding strip. In modern furniture manufacturing plants, this is usually done using a machine that processes at least one furniture panel at a time. Such machines are also called continuous edge banding machines and / or edge banding machines. Within this machine, the furniture panel is moved (continuously) from one processing station to the next, for example, by means of at least one conveyor belt. Thus, the furniture panel passes through the machine.

[0003] Edge banding serves primarily to enhance the appearance of the furniture panel, complementing the decorative layer already present on the top and / or bottom edges. Furthermore, the wooden core of the furniture panel is protected by the edge banding and the decorative layers. Edge banding is typically made of polishable plastic, such as acrylic or similar materials, and can be made adhesive on at least one side through thermal treatment. This thermal treatment is achieved, for example, using a laser beam or plasma beams. Alternatively or additionally, an adhesive can be applied to the edge banding and / or the narrow edge of the furniture panel before installation.

[0004] When applying edge banding or coating the narrow side of the furniture panel with edge banding, care should be taken to prevent damage to and / or permanent soiling of the decorative layer already present on the underside and / or top side of the furniture panel. In this context, particular attention must be paid to ensuring that adhesive residue and / or material (adhesive and / or liquefied or molten plastic) oozing from the adhesive joint between the edge banding and the furniture panel cannot permanently adhere to the decorative layer(s).

[0005] For this purpose, a release agent is typically applied at the beginning of the manufacturing process to at least some areas of the underside and / or top side of the furniture panel. The release agent is applied at least to an edge area of ​​the side corresponding to the edge banding to be applied, in order to prevent adhesive from adhering to this edge area. Particularly good results have been achieved with release agents that adhere relatively strongly or firmly to the surface of the furniture panel.

[0006] However, a problem arises with such release agents: due to their strong or firm adhesion to the surface of the furniture panel, they are subsequently difficult to remove. Complete removal is desirable, but requires a significant amount of time with conventional methods, especially if the furniture panel needs to be cleaned again by hand due to residual release agent.

[0007] Furthermore, when applying edge banding to the narrow edge of a furniture panel, it's important to consider that these panels typically exhibit certain irregularities, known as thickness tolerances. Due to these thickness tolerances, the width of the edge banding cannot be precisely matched to the panel's thickness or height beforehand. Instead, the edge banding is usually applied with an overhang perpendicular to its length on the narrow edge of the panel. This ensures that a certain overhang remains on the top and / or bottom of the panel after the edge banding is applied, guaranteeing complete coverage of the panel's edge or narrow edge.

[0008] This excess material must then be removed in a subsequent processing step. Suitable cutting tools, such as milling cutters, scrapers, or similar tools, are typically used for this purpose. However, these cutting tools can impair or damage the visible surface of the edgebanding. For example, the material removal process can lead to increased surface roughness and / or a dulling of the visible surface of the edgebanding. Therefore, a further processing step should follow the material removal to restore the visible surface of the edgebanding to the required optical finish, ideally achieving a flawless and / or glossy surface.

[0009] There is an increasing demand for furniture panels with decorative layer(s) featuring a structured and / or profiled surface. Such structured or profiled decorative layers can be particularly advantageous for kitchen fronts. For example, surfaces that mimic the structure of a slate tile surface or a cut surface with a grain resembling real wood are in demand. Since the surface structures can extend to the edge, such decorated furniture panels place comparatively high demands on the edge banding. A relevant function of the edge banding in this context is, for example, the protection and / or sealing of the entire narrow side surface against external influences. To ensure this is particularly advantageous even with structured and / or profiled surfaces on the wide side, etc.To ensure the decorative layer is properly adhered, it has proven advantageous not to remove the excess completely, but to leave a residual excess.

[0010] If such a residual overhang is to be left, it must be taken into account that material (adhesive and / or liquefied or molten plastic) oozing from the adhesive joint between the edge banding and the furniture panel can adhere to the inside of this overhang. Adhering residues of the bonding material can often lead to a visually unsatisfactory result. Consequently, it is desirable to prevent adhesion in these areas as well and / or to create a solution that allows any adhering material to be removed through appropriate post-processing. Ideally, this post-processing should be such that the desired residual overhang nevertheless remains.

[0011] Starting from this premise, the object of the present invention is to at least partially solve the problems described with reference to the prior art. In particular, a machine is to be provided that enables, preferably also for workpieces with structured and / or profiled broadside surfaces, the most reliable and at the same time the most visually appealing possible covering of the narrow side with an edge band. In particular, a device is to be provided that enables the most efficient, cost-effective, automated, and / or preferably complete removal of residues of a substance used to attach the edge band to the narrow side of the workpiece. In particular, the removal of such residues of the substance that adhere to the inside of any residual protrusion of the edge band is to be enabled.

[0012] These problems are solved by a machine according to the features of claim 1. 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 one another in any technologically meaningful way and define further embodiments of the invention. In addition, the features specified in the claims are further specified and explained in the description, which also presents further preferred embodiments of the invention.

[0013] This is achieved by a device for post-processing at least one plate-shaped workpiece, in particular a furniture panel, which is provided or coated with an edge banding on at least one narrow side, wherein the device can be arranged in a machine for processing the workpiece in such a way that post-processing can be carried out by means of the device in the area of ​​a residual overhang of the edge banding that is transverse to the longitudinal extent of the edge banding, wherein the device comprises at least one brush unit with at least one brush tool, wherein the brush tool has at least one disc brush which is rotatable about an axis of rotation located on the plane of the workpiece, wherein the axis of rotation is tiltable about at least one pivot axis in an adjustment angle range of 45° to 90° relative to the plane of the workpiece.

[0014] The workpiece could be, for example, a furniture panel with a surface that is at least partially textured. The textured surface is typically applied to at least one of the panel's long sides (top and / or bottom). The surface texture could, for example, mimic a slate surface or a cut surface with a grain resembling real wood. The edge banding could be at least partially made of plastic. On the inside, the edge banding could have an adhesive layer (which may be activated for this purpose). The machine could be, for example, a continuous feed machine or a CNC machine.

[0015] For example, the device can be arranged in a machine that processes the workpiece in a continuous pass, downstream of a cutting tool of the machine that removes at least part (or only part) of the edgeband's protrusion that extends transversely to its longitudinal extent. The device can also be arranged downstream of a release agent application system. The device can be positioned (directly or indirectly) upstream of one or more brush units, which may, for example, comprise a brush strip or a roller. The one or more brush units may, for example, be designed and configured to receive release agent and / or to polish an area of ​​the workpiece surface and / or the edgeband.

[0016] The axis of rotation can be tilted about at least one pivot axis aligned parallel to the longitudinal extent of the edgebanding within an adjustment angle range of 45° to 90° relative to the workpiece plane. In other words, this can also be described as follows: at least one pivot axis, or at least one of the pivot axes, is aligned parallel to the longitudinal extent of the edgebanding. The pivot axis can, for example, also be aligned parallel to the direction of travel. Such tiltability can advantageously contribute to ensuring that the disc brush can make particularly good contact with the inner side of the remaining overhang of the edgebanding.

[0017] The device can, for example, have two brush units. The device can further have at least one adjusting device, wherein a relative distance, particularly a vertical one, between the two brush units can be adjusted by means of the adjusting device. The at least one adjusting device can comprise at least one spindle drive and / or at least one threaded spindle or lead screw, which can be driven electronically. The brush tools of the brush units can be aligned at an angle to one another.

[0018] The at least one brush tool can be designed and arranged (and / or aligned) for at least the partial removal of residues of a substance used to attach the edge banding to the narrow side, which adhere to the inside of the remaining edge banding overhang facing the workpiece. These residues could be, for example, glue or adhesive residues. When the edge banding is pressed into place, these residues can squeeze out of the so-called glue line or adhesive joint and thus reach the inside of the remaining edge banding overhang.The adjustable tilt of the disc brush around the pivot axis described here can be particularly advantageous in helping to ensure that any glue or adhesive residues are removed as effectively as possible from the inside of the remaining protrusion of the edge banding, especially without having to carry out any further machining operations on the workpiece and / or the edge banding, particularly machining and / or polishing operations.

[0019] The bristles of the disc brush can be designed and configured to remove residues of a substance used to attach the edge banding to the narrow side. For example, the bristles can be made of or contain plastic. The bristles can have a substantially smooth surface. In particular, the bristles are not designed to allow fluids, such as release agents, to adhere to them. The bristles are specifically not designed to polish the surface of the workpiece and / or the edge banding.

[0020] The axis of rotation can be tilted about at least one pivot axis within an adjustment angle range of 75° to 90° relative to the workpiece plane. The pivot axis can be aligned parallel to the longitudinal direction of the edgebanding and / or the feed direction. The specified adjustment angle range is particularly advantageous for removing residues of the substance as thoroughly and / or completely as possible from the inside of the remaining overhang of the edgebanding.

[0021] The disc brush can have a circular or cylindrical brush head. The disc brush can have at least one (circular) ring of bristles. This ring can have a plurality of bristle bundles arranged around its circumference. The disc brush can have two rings of bristles. The two rings of bristles can be spaced apart from each other in a radial direction. A corresponding arrangement of the bristles of the disc brush is particularly advantageous for removing residues of the substance as effectively and / or completely as possible from the inside of the residual protrusion of the edge banding.

[0022] The brush unit can also include a drive motor that powers the brush tool during operation. For example, each brush tool can have its own drive motor. The brush tools can thus be driven individually. This can advantageously contribute to the simplest possible integration and / or retrofitting into a machine for finishing a furniture panel. In particular, each brush unit can include exactly one drive motor. For example, exactly one frequency-controlled drive can be provided per tool.

[0023] The disc brush can be driven at speeds ranging from 50 to 4000 revolutions per minute. This speed range is particularly advantageous for removing residues of the substance as thoroughly and / or completely as possible from the inside of the remaining protrusion of the edge banding. Each disc brush can be driven at an individually adjustable speed. The brush unit can also include a control unit. Each brush tool can have its own dedicated control unit. The control unit can, for example, be configured to adjust the speed.

[0024] According to the invention, the brush unit has at least one pivoting device for pivoting the axis of rotation about the at least one pivoting axis in the adjustment angle range.

[0025] Each brush tool can be assigned at least one dedicated swivel device. Multiple swivel devices can be provided. In particular, a swivel device is provided for each intended swivel axis. For example, at least one swivel device can have a cam guide. The cam guide can advantageously contribute to defining the adjustment angle range, especially limiting it. The swivel device with the cam guide can, for example, be provided and configured to define the swivel axis aligned parallel to the longitudinal direction of the edge band and / or the through-flow direction.

[0026] In a direction of extension parallel to the longitudinal direction of the edge banding and / or the through-flow direction, the device can have a particularly advantageous installation dimension of 200 mm [millimeters] or less, especially 150 mm or less. This advantageously small installation dimension can make the device particularly suitable for retrofitting an existing machine and / or for integrating it into a machine in a space-saving manner.

[0027] According to the invention, a machine for processing a workpiece is provided, which is arranged in such a way that post-processing in the area of ​​a residual protrusion of the edge band present transverse to the longitudinal extent of the edge band can be carried out by means of the device.

[0028] The invention and its technical context are explained in more detail below with reference to the figures. It should be noted that the invention is not intended to be limited by the exemplary embodiments shown. In particular, unless explicitly stated otherwise, it is also possible, within the scope of the attached claims, to extract partial aspects of the situations described in the figures and combine them with other components and / or findings from other figures and / or the present description. The figures schematically show: Fig. 1: an example of a machine processing a workpiece in a continuous pass, in a frontal view; Fig. 2: an exemplary illustration of an advantageous adjustability of a device described herein; Fig. 3: an example of a device described herein for post-processing at least one plate-shaped workpiece, in a side view; and Fig. 4: the device made of Fig. 3 in a perspective detail view.

[0029] Fig. 1 Figure 5 schematically shows an example of a machine 5 that processes a workpiece 2 in a continuous flow. The flat workpiece 2 is, for example, a furniture panel with a surface that is at least partially textured. An edge band 4 is applied to the narrow side 3 of the workpiece 2 by means of the machine 5. For this purpose, the workpiece 2 passes through the machine 5 in a through-direction 15, where, for example, the machine 5 has two conveyor belts 27 between which the workpiece 2 can be moved continuously in a continuous flow. The edge band 4 is, for example, at least partially made of plastic.

[0030] In the direction of travel 15, a release agent is first applied to the broad sides 29 of the plate-shaped workpiece 2 by means of spray devices 28 of a release agent application system. The release agent is intended to prevent adhesives, for example, an adhesive, from adhering to the broad sides 29 of the workpiece 2. However, an adhesive is regularly required on the narrow sides 3 of the workpiece 2 in order to bond the edge banding 4 to the workpiece 2.

[0031] Viewed in the direction of travel 15, the application of the release agent by means of the spray devices 28 is followed by various processing stations that process the workpiece 2 in a continuous flow. First, the still uncoated edges on the narrow side 3 of the workpiece 2 are processed with format milling cutters 30. Subsequently, an edge band 4, for example, previously heated, is pressed onto the narrow side 3 of the workpiece 2 by means of a pressure roller 31, whereby a material bond between the edge band 4 and the narrow side 3 of the workpiece 2 is preferably achieved by laser or plasma beams, with which the edge band 4, which is for example adhesive on at least one side, can be heated until the adhesive is activated.

[0032] To accommodate irregularities in the workpiece 2, the edge banding 4 is generally attached to the narrow side 3 with an overhang extending above and below the workpiece 2. This overhang is then first roughly removed or ground down to the desired level using cutting devices 32, such as miter saws, and subsequently precisely using cutting tools 16, in particular edge milling cutters, which are adjusted according to the local thickness (height) of the workpiece 2. Especially with furniture panels that have at least a partially structured or profiled surface, it may be necessary to provide sufficient protection and / or sealing of the entire narrow side surface against external influences by leaving the overhang only partially or not at all, so that a residual overhang 6 remains (see Figure 1). Fig. 2 ) remains.

[0033] Immediately or indirectly after the (partial) removal of the protrusions of the edge band 4 that are present transversely to its longitudinal extent, a finishing process is carried out using a device 1 presented here. The device 1 is arranged in the machine 5 for processing the workpiece 2 such that finishing can be performed in the area of ​​the residual protrusion 6 of the edge band 4 that is present transversely to its longitudinal extent. The device 1 comprises, by way of example, two brush units 7, each with a brush tool 8. Each brush tool 8 comprises a disc brush 9.

[0034] Before or after post-processing by the device 1, the release agent can be removed from the workpiece 2 and / or at least a portion of the workpiece 2 and / or the edge banding 4 can be ground and / or polished. Brush belts (not shown here) can be advantageously used for release agent pickup. Tools with appropriately designed rollers (not shown here) can be used for grinding and / or polishing. The radius of the edge banding 4 can also be processed with rollers and / or belts. In contrast, the device 1 described here is intended to post-process, and in particular clean, the opposite side, the inner side 19 of the edge banding 4.

[0035] Fig. 2 Figure 1 schematically illustrates an advantageous adjustability of the device 1 described herein. The device 1 comprises, by way of example, two brush units 7, each with a brush tool 8. Each brush tool 8 comprises a disc brush 9, which is rotatable about a rotation axis 11 located on the workpiece plane 10. The workpiece plane 10 describes the plane in which the workpiece 2 lies during processing. By way of example, the workpiece plane 10 describes the plane in which the workpiece 2 is conveyed during processing. The rotation axis 11 is tiltable about at least one pivot axis 12, 13 within an adjustment angle range 14 of 45° to 90° relative to the workpiece plane 10.

[0036] This can advantageously contribute to the removal of glue or adhesive residue on the inside 19 of the remaining protrusion 6 of the edge band 4, which remains for sealing purposes. The edge band 4 is therefore not ground down exactly to the level of the panel surface in this case, in order to achieve sufficient sealing even with panels that have structured and / or profiled surfaces on the broad side 29.

[0037] Two pivot axes 12 and 13 are shown here as examples. The first pivot axis 12 (here perpendicular to the drawing plane) is aligned parallel to the longitudinal extent of the edge band 4, i.e., parallel to the direction of travel 15. This illustrates that, and if applicable, how the rotation axis 11 can be tilted about at least one pivot axis 12 aligned parallel to the longitudinal extent of the edge band 4 within an adjustment angle range 14 of 45° to 90° relative to the workpiece plane 10. This allows the disc brushes 9 to be advantageously inclined with their respective bristle bundles facing forward, in order to be able to process the inner surface 19 of the edge band 4 particularly well.

[0038] The second pivot axis 13 is oriented transversely to the longitudinal extent of the edge band 4 and parallel to the through-direction 15. The rotation axes 11 can alternatively, or preferably cumulatively, also be tilted relative to the second pivot axis 13 within an adjustment angle range 14 of 45° to 90° relative to the workpiece plane 10. Due to the described, advantageously varied adjustment options, the device 1 can be adapted particularly precisely to the specific characteristics of the respective furniture pieces and, in particular, can be rotated or tilted in almost any direction. This is illustrated in the figure below. Fig. 2 This is also an example of how the brush tools 8 of the brush units 7 can be aligned at an angle to each other.

[0039] Fig. 3 Figure 1 shows an example of a device 1 described herein for post-processing at least one plate-shaped workpiece 2. The device 1 has, for example, two brush units 7. Furthermore, the device has, for example, an adjusting device 17 by means of which a vertical relative distance 18 between the two brush units 7 can be adjusted, in particular adapted to the characteristics of the workpiece 2. For example, the adjusting device 17 can comprise at least one spindle drive and / or at least one threaded spindle or lead screw, in particular one that can be electronically driven. By way of example, the device 1 can also have a frame 34 with a slide 35 for moving the brush units 7 towards the workpiece 2. Furthermore, by way of example, the device 1 can have a drive, such as a pneumatic system (not shown here), for horizontal deactivation.For example, each brush unit 7 also has a drive motor 23 that drives the brush tool 8 during operation. Each brush tool 8, for instance, has its own drive motor 23. The disc brushes 9 can each be driven at a speed of 50 to 4000 revolutions per minute by means of the drive motors 23. The (relative) processing speed can therefore be higher than with other post-processing units, such as those for removing release agents. In particular, each of the disc brushes 9 can be driven at an individually adjustable speed. This adjustment can be achieved, for example, via appropriate control units 24. Fig. 3 It can be seen that each brush assembly 7 also includes a control unit 24. In particular, it is shown in this context that each brush tool 8 can be assigned its own control unit 24.

[0040] In Fig. 3 It is further shown that, according to the invention, each brush unit 7 can have at least one pivoting device 25, 26 for pivoting the rotation axis 11 about the at least one pivot axis 12, 13 within the adjustment angle range 14. Two pivoting devices 25, 26 are shown here by way of example. In this context, it is also illustrated that each brush tool 8 can be assigned at least one of its own pivoting devices 25, 26. The first pivoting device 25 serves for adjustment about the first pivot axis 12 (cf. Fig. 2 ). In particular, for the purpose of achieving the most defined setting and / or the most precise possible limitation of the adjustability, the first swiveling device 25 features, for example, a cam guide 33. The second swiveling device 26 serves for adjustment about the second swiveling axis 13 (see figure). Fig. 2 ).

[0041] The cam guide 33 can, for example, help to limit the adjustment angle range 14 such that the rotation axis 11 can be tilted around the swivel axis 12, 13 in an adjustment angle range 14 of 75° to 90° relative to the workpiece plane 10.

[0042] Fig. 4 The device shows Fig. 3 in a perspective detail view. The view is directed towards the lower brush unit 7. The brush tool 8, which is thus more clearly visible, is designed and can be arranged for at least the partial removal of residues of a substance used to attach the edge band 4 to the narrow side 3, which adhere to an inner surface 19 of the remaining protrusion 6 of the edge band 4 facing the workpiece 2.

[0043] The disc brush 9 has, by way of example, a circular brush head 20. The disc brush 9 also has at least one bristle ring 21. The bristle ring 21 is arranged on the brush head 20. The bristles point substantially perpendicularly away from the brush head 20. The disc brush 9 here has, by way of example, two bristle rings 21 spaced apart from each other in a radial direction. Each of the bristle rings 21 has a plurality of bristle bundles 22 arranged around its circumference.

[0044] The bristles of the disc brush 9 are specifically designed to remove residues of a substance (glue or adhesive) used to attach the edge banding 4 to the narrow side 3. In particular, the bristles are not intended to remove the residual protrusion 6 or to smooth any white breakage on the cut edge of the edge banding 4.

[0045] Furthermore, in Fig. 4 This illustrates, for example, that the device 1 can also have a rotary mechanism 36. The rotary mechanism 36 can advantageously be used to adjust the orientation of the at least one brush unit 7 about the vertical axis.

[0046] In a direction of extension parallel to the longitudinal extension direction of the edge band 4 and / or the through-direction 15, the device 1 can have a particularly advantageous installation dimension of 200 mm [millimeters] or less. This allows the device 1 to be advantageously integrated and / or retrofitted into a machine 5 in a simple and / or space-saving manner.

[0047] Thus, a device is presented here that can at least partially solve the problems described with reference to the prior art. In particular, a device can be presented that preferably enables the most reliable and visually appealing possible covering of the narrow side with an edge band, even on workpieces with a structured and / or profiled broad side surface. Specifically, a device can be presented that enables the most efficient, cost-effective, automated, and / or preferably complete removal of residues of a substance used to attach the edge band to the narrow side of the workpiece. In particular, the removal of such residues of the substance that adhere to the inside of any residual protrusion of the edge band can be enabled. Reference symbol list

[0048] 1 Device 2 Workpiece 3 Narrow side 4 Edge band 5 Machine 6 Remaining overhang 7 Brush unit 8 Brush tool 9 Disc brush 10 Workpiece plane 11 Rotation axis 12 Swivel axis 13 Swivel axis 14 Adjustment angle range 15 Feed direction 16 Clamping tool 17 Adjusting device 18 Relative distance 19 Inside 20 Brush head 21 Bristle ring 22 Bristle bundle 23 Drive motor 24 Control unit 25 Swivel device 26 Swivel device 27 Conveyor belt 28 Spray device 29 Wide side 30 Format cutter 31 Pressure roller 32 Trimming device 33 Guide rail 34 Frame 35 Slide 36 Rotary mechanism

Claims

1. Machine (5) for machining at least one plate-shaped workpiece (2), comprising a device (1) for finishing the at least one plate-shaped workpiece (2), which is provided with an edge band (4) on at least one narrow side (3), wherein the device (1) is arranged such that, by means of the device (1), finishing can be carried out in the area of a residual overhang (6) of the edge band (4) existing transversely to the longitudinal extension of the edge band (4), characterized in that the device (1) comprises at least one brush unit (7) with at least one brush tool (8), wherein the brush tool (8) has at least one disc brush (9) which can rotate about a rotational axis (11) standing on a workpiece plane (10), wherein the rotational axis (11) can be tilted about at least one pivot axis (12, 13) in an adjustment angle range (14) of 45° to 90° relative to the workpiece plane (10), and wherein the brush unit (7) has at least one swiveling body (25, 26) for swiveling the rotational axis (11) about the at least one pivot axis (12, 13) in the adjustment angle range (14).

2. Machine (5) according to the preceding claim 1, wherein the device (1) in the machine (1) processing the workpiece (2) in continuous operation (5) and viewed in the direction of passage (15), is arranged downstream of a cutting tool (16) of the machine (5) which at least partially removes an overhang of the edge band (4) existing transversely to the longitudinal extension of the edge band (4).

3. Machine (5) according to one of the preceding claims, wherein the rotational axis (11) can be tilted relative to the workpiece plane (10) by at least one pivot axis (12) aligned parallel to the longitudinal extension of the edge band (4) within an adjustment angle range (14) of 45° to 90°.

4. Machine (5) according to one of the preceding claims, wherein the device (1) has two brush units (7).

5. Machine (5) according to claim 4, wherein the body (1) further has at least one adjusting body (17), wherein a relative distance (18), in particular a vertical relative distance, between the two brush units (7) can be adjusted by means of the adjusting body (17).

6. Machine (5) according to one of claims 4 or 5, wherein the brush tools (8) of the brush units (7) can be aligned at an angle to each other.

7. Machine (5) according to one of the preceding claims, wherein the at least one brush tool (8) for at least partially removing residues of a substance for attaching the edge banding (4) to the narrow side (3), which adhere to an inner side (19) of the residual overhang (6) of the edge band (4) facing the workpiece (2).

8. Machine (5) according to one of the preceding claims, wherein the nature of the bristles of the disc brush (9) is such that they are designed and arranged to remove residues of a substance for attaching the edge banding (4) to the narrow side (3).

9. Machine (5) according to one of the preceding claims, wherein the rotational axis (11) can be tilted by at least one pivot axis (12, 13) in an adjustment angle range (14) of 75° to 90° relative to the workpiece plane (10).

10. Machine (5) according to one of the preceding claims, wherein the brush unit (7) also comprises a drive motor (23) for driving the brush tool (8) during operation.

11. Machine (5) according to one of the preceding claims, wherein each of the disc brushes (9) can be driven at an individually adjustable speed.

12. Machine (5) according to claim 1, wherein each brush tool (8) is assigned at least one separate swiveling body (25, 26).

13. Machine (5) according to claim 1 or 12, wherein at least one swiveling body (25) has a guide rail (33).