CUTTING DEVICE, COATING DEVICE AND METHOD FOR CUTTING A NARROW-SURFACE COATING MATERIAL

Description

Technical area

[0001] The invention relates to a cutting device for cutting a narrow-surface coating material to length, according to the preamble of claim 1, and to a coating device comprising such a cutting device, as well as to a method for cutting a narrow-surface coating material to length using such a cutting device. Such a cutting device and such a method are known from document DE 10 2011 114763 A1. State of the art

[0002] In the furniture and construction element manufacturing sector, workpieces are often coated with a coating material for both aesthetic and functional reasons. Plate-shaped workpieces are usually also coated on their narrow surfaces with a narrow surface coating or edge material. Particularly when the narrow surface coating material is to be applied completely along the narrow surface of a workpiece, for example, on the all-round edge of a table top, it is necessary to create a precise joint area between the two ends of the narrow surface coating material. For this purpose, the narrow surface coating material must be cut to an optimized length, for which coating systems are equipped with a corresponding cutting device. Coating systems that operate in a continuous process, i.e.The workpiece is transported relative to the coating device, and can be equipped with path-guided cutting devices for cutting the narrow-surface coating material to length. Due to the size of such path-guided cutting devices, stationary technology, for example with CNC-controlled coating devices, usually uses fixed cutting devices, which require a feed stop to cut the narrow-surface coating material to length. In addition to extended processing times, the feed stop can lead to unrest in the processing device, as the entire unit has to be stopped and accelerated again. If the narrow-surface coating material has a functional layer that needs to be activated, the feed stop can also result in a local increase in energy input for activating the functional layer, which can lead to a deterioration in quality, particularly with zero-joint technology.

[0003] Examples of previously known cutting devices can be found in EP 0 510 231 A1 and DE 10 2011 114 763 A1, which forms the basis for the two-part version of the independent device claim 1. Description of the invention

[0004] The object of the present invention is to propose a cutting device that enables short processing times when cutting a narrow-surface coating material. Furthermore, the object of the present invention is to propose a coating device that enables the time- and cost-efficient coating of narrow surfaces of plate-shaped workpieces. Furthermore, the object of the present invention is to propose a method for cutting a narrow-surface coating material to length in a time- and cost-efficient manner.

[0005] This object is achieved by a cutting device, in particular for a coating device for coating narrow surfaces of plate-shaped workpieces, with a cutting tool, by means of which a cutting movement for cutting a narrow surface coating material to length can be carried out, wherein the cutting tool has a cutting area to which the narrow surface coating material can be transported in a direction of movement, wherein a cutting tool, by means of which a cutting movement for cutting a narrow surface coating material to length can be carried out, wherein the cutting tool has a cutting area to which the narrow surface coating material can be transported in a direction of movement, wherein a movement direction is transportable, wherein an adjusting device is provided, by means of which an adjusting movement of the cutting tool can be controlled for cutting the narrow surface coating material to length,wherein the adjusting movement has at least one directional component directed in the direction of movement of the narrow-surface coating material.,

[0006] Furthermore, the adjusting device of the capping device has at least one drive device which controls at least the adjusting movement of the cutting tool from an initial position, wherein a speed of the adjusting movement of the cutting tool can be adapted to a transport speed of the narrow-surface coating material.

[0007] Such a cutting device enables the narrow-surface coating material to be cut to length without interrupting the transport movement of the narrow-surface coating material. The narrow-surface coating material can be cut to an optimized length so that it can be applied to the narrow surface in the required length. The adjusting device enables an adjusting movement of the cutting tool, which has at least one directional component aligned with the direction of movement of the narrow-surface coating material. In this way, the cutting tool can execute the adjusting movement in accordance with the transport movement of the narrow-surface coating material and can sever the narrow-surface coating material by executing the cutting movement.The cutting movement is in particular an infeed movement of the cutting tool in the direction of the narrow surface coating material, but can also be the simple execution of a cut or saw cut by the cutting tool.

[0008] The drive device can be used to automate the cutting process, allowing the adjustment movement of the cutting tool to be synchronized with the transport movement of the narrow-surface coating material. For this purpose, the drive device can comprise a corresponding control and / or sensor unit.

[0009] In a preferred embodiment of the cutting device, the adjusting device can have at least one guide, preferably at least one linear guide or cross guide, through which a guided adjusting movement and / or cutting movement of the cutting tool is provided. The guide, in particular the linear guide, can create a precise adjusting movement and / or cutting movement, thus enabling the narrow-surface coating material to be cut to exact length. The cross guide can also provide for the adjusting movement and the cutting movement to be executed in an overlapping manner.

[0010] A further preferred embodiment of the cutting device can provide for the adjusting movement of the cutting tool and the cutting movement of the cutting tool to be executed simultaneously. By simultaneously executing the adjusting movement and the cutting movement, the cutting tool can be moved toward the narrow-surface coating material and simultaneously execute the cutting movement for severing the narrow-surface coating material. An interruption of the transport movement of the narrow-surface coating material is therefore not necessary for cutting to length or for executing the cutting movement.

[0011] In an advantageous development of the cutting device, the adjusting movement of the cutting tool can be provided substantially parallel to the direction of movement of the narrow-surface coating material. This prevents the cutting tool from tilting during the cutting of the narrow-surface coating material, allowing a precise cutting edge to be created, for example, to form a visually appealing joint between two ends of the narrow-surface coating material.

[0012] Advantageously, the drive device can be designed as a force storage element, drive cylinder, drive motor, or a comparable actuator and can have a synchronization device that adapts the speed of the actuating movement of the cutting tool to the transport speed of the narrow-surface coating material. Such a drive device enables a structurally simple and cost-effective design of the capping device.

[0013] In a particularly preferred embodiment of the capping device, the drive device can be designed as a clamping device that, in a clamping position, rests or engages the narrow-surface coating material without slippage, so that the clamping device can be moved along with the transport movement of the narrow-surface coating material in the clamping position. Such a clamping device enables a mechanical design of the drive device. Because the clamping device forms a force-locking connection to the moving narrow-surface coating material upon transfer into the clamping position, this allows for simple, precise synchronization between the transport movement of the narrow-surface coating material and the actuating movement of the cutting tool.

[0014] An advantageous development of the clamping device can provide for at least two opposing clamping elements that can be transferred from a through-feed position into the clamping position, wherein the narrow-surface coating material can be transported between the clamping elements and the clamping elements abut or engage the narrow-surface coating material in the clamping position. The clamping elements can have corresponding contact surfaces that abut the narrow-surface coating material in the clamping position. Sufficient static friction can thus be formed between the narrow-surface coating material and the clamping elements, enabling slip-free contact or engagement. This can be further influenced by the contact surfaces having a corresponding profiling or structuring or by the contact surfaces being made of a material with a high coefficient of static friction.

[0015] In a preferred embodiment of the cutting device, the at least two clamping elements can have corresponding recesses into which the cutting tool at least partially engages when performing the cutting movement. Since the narrow-surface coating material has a significantly smaller thickness compared to its width and is therefore correspondingly flexible, it can be advantageous to fix the narrow-surface coating material during cutting. This fixation is provided by the clamping elements, whereby the recesses for the cutting tool enable the cutting of the narrow-surface coating material to occur directly at the clamping elements.

[0016] In a further preferred embodiment of the cutting device, the actuating device can be provided with at least one reset device, preferably a force storage element, a drive cylinder, a drive motor, or a comparable reset drive, by which a return movement of the cutting tool to the starting position can be controlled after the narrow-surface coating material has been cut to length. Such a reset device can provide for an automated return of the cutting tool to the starting position after the narrow-surface coating material has been cut to length. This enables repeatability of the cutting process.By designing the return device as a force storage element or as a drive cylinder, it can store energy through the adjusting movement of the cutting tool, which is released again after the narrow surface coating material has been cut to length in order to return the cutting tool to its starting position.

[0017] The object is also achieved by a coating device for coating narrow surfaces of plate-shaped workpieces with a narrow surface coating material, with a feed device for feeding the narrow surface coating material and with a pressing device for pressing the narrow surface coating material onto the narrow surface of the workpiece, which has a cutting device according to one of the previously described embodiments for cutting the narrow surface coating material to length.

[0018] A coating system with such a cutting device enables a significant reduction in processing times when coating the narrow sides of plate-shaped workpieces. This cutting device prevents interruptions in the transport movement of the narrow-surface coating material and / or in the feed movement of the coating system when cutting the narrow-surface coating material to length. This also makes it possible to form high-quality butt joints between two ends of the narrow-surface coating material while simultaneously achieving short processing times.

[0019] In a preferred embodiment of the coating device, it can be CNC-controlled or designed as a CNC-controlled machining center or as a component of a CNC-controlled machining center. This can enable automated control of the coating device and / or the capping device. Through the CNC control or the integration of the coating device and / or capping device into a CNC-controlled machining center, the coating device and / or capping device can be moved automatically along the narrow surfaces of the workpiece. This allows even complex workpiece geometries to be coated automatically.

[0020] Furthermore, the object is achieved by a method for cutting a narrow-surface coating material to length using a cutting device according to one of the previously described embodiments, the method comprising the steps of the narrow-surface coating material is transported in a direction of movement to a cutting area of ​​a cutting tool of the cutting device, an adjusting movement of the cutting tool is controlled from a starting position in order to cut the narrow-surface coating material to length, wherein the adjusting movement has at least one directional component directed in the direction of movement of the narrow-surface coating material, a cutting movement of the cutting tool is controlled simultaneously with the adjusting movement of the cutting tool and the narrow-surface coating material is severed and the cutting tool is returned to the starting position after the narrow-surface coating material has been cut to length.

[0021] This process allows the narrow-surface coating material to be cut to length without interrupting the transport movement of the narrow-surface coating material. The narrow-surface coating material can be cut to an optimized length so that it can be applied to the narrow surface of the workpiece at the required length. This allows for significantly shorter process times for cutting the narrow-surface coating material.

[0022] In a preferred embodiment of the method, the adjusting movement of the cutting tool can be carried out at an adjusting speed that essentially corresponds to the transport speed of the narrow-surface coating material. In this way, precise synchronization between the transport movement of the narrow-surface coating material and the adjusting movement of the cutting tool can be achieved.

[0023] In an advantageous development of the method, the transport speed of the narrow-surface coating material for cutting the narrow-surface coating material to length can remain constant or be transported at a reduced transport speed. Stopping the transport movement of the narrow-surface coating material for cutting is not necessary, so that extremely short process times for cutting the narrow-surface coating material can be achieved. This allows for cost-optimized processing.

[0024] A particularly preferred embodiment of the method can provide that, in order to cut the narrow-surface coating material to length, a clamping device of the cutting device is transferred into a clamping position in which the clamping device rests or engages on the narrow-surface coating material without slippage, and at least the clamping device and the cutting tool are carried along by the transport movement of the narrow-surface coating material. In this way, mechanical synchronization between the transport movement of the narrow-surface coating material and the actuating movement of the cutting tool can be achieved without the need for additional electronic control or sensors. Since the clamping device rests or engages on the narrow-surface coating material without slippage, the actuating movement of the cutting tool can also be precisely coordinated with the transport movement of the narrow-surface coating material. Short description of the drawings

[0025] The invention, as well as further advantageous embodiments and developments thereof, are described and explained in more detail below with reference to the examples illustrated in the figures. The features shown in the description and the figures can be used individually or in any combination according to the invention. They show: Figure 1 shows a schematic representation of a coating device with a capping device, Figure 2 shows a detailed view of a clamping device of the capping device according to Figure 1 , Figure 3 a sectional view of the capping device according to Figure 1in a first method step of a cutting process, Figure 4 shows a sectional view of the cutting device in a second method step of the cutting process, Figure 5 shows a sectional view of the cutting device in a third method step of the cutting process and Figure 6 shows a sectional view of the cutting device in a fourth method step of the cutting process. Description of embodiments

[0026] Figure 1 shows, in a highly schematic representation, a coating device 10 for coating narrow surfaces 12 of plate-shaped workpieces 11 with a narrow-surface coating material 13. Such a narrow-surface coating material 13 is also referred to as edge banding or edge material. Such a coating device 10 can be provided in a continuous process in which the workpiece is moved relative to the coating device 10, or it can be CNC-controlled or part of a CNC-controlled machining center.

[0027] The workpieces 11 to be coated are, in particular, at least partially made of wood, wood-based materials, plastic, composite materials, or the like. Such workpieces 11 are used, for example, in the field of furniture and construction element production. These workpieces 11 can be a wide variety of materials, such as solid wood or chipboard, lightweight panels, sandwich panels, floorboards, profiles for profile wrapping, and the like. However, the present invention is not limited to such workpieces 11.

[0028] The coating device 10 comprises a support 14 on which the workpiece 11 rests during coating. This support 14 can be stationary, wherein the workpiece 11 can be placed in a fixed position on the support 14 and the coating device 10 is moved relative to the workpiece 11. In particular, the coating device 10 can be guided along the narrow surfaces 12 of the workpiece 11 in order to apply the narrow-surface coating material 13 to the narrow surface 12 of the workpiece 11. In this case, the coating device 10 can be CNC-controlled. Likewise, it can be provided that the coating device 10 is from the field of through-feed technology, wherein the workpiece 11 is moved by the support 14 with a feed movement relative to the coating device 10 and the narrow-surface coating material 13 is applied to the narrow surface 12 of the workpiece 11.For example, the support 14 can be designed as a conveyor device.

[0029] The coating device 10 comprises a feed device 16 for the continuous supply of the narrow-surface coating material 13. The feed device 16 feeds the narrow-surface coating material 3 to a pressure device 17. The pressure device 17 has, for example, a rotatably mounted pressure roller 18. The pressure device 17 presses the narrow-surface coating material 3 against the narrow surface 12 of the workpiece 11. Alternatively, several pressure rollers or a differently designed pressure device can also be provided.

[0030] The narrow-surface coating material 13 is formed from at least two layers, with one layer assigned to the workpiece 11 being designed as a functional layer. This functional layer can be, for example, an adhesive layer or a heat-activatable, adhesive-free layer. The at least one further layer of the narrow-surface coating material 13 forms, in particular, a decorative layer. In order to form a permanent bond between the narrow-surface coating material 13 and the workpiece 11, the functional layer is activated immediately before being pressed onto the narrow surface 12 of the workpiece 11 using an activation device (not shown in detail), for example, heated to an activation temperature.

[0031] For cutting the narrow surface coating material 13 to length, the coating device 11 has a cutting device 21. According to Figure 1The capping device 21 is arranged downstream of the feed device 16 in the direction of movement B of the narrow-surface coating material 13. Likewise, the capping device 21 can be arranged upstream of the feed device 16 in the direction of movement of the narrow-surface coating material 13. Furthermore, the capping device 21 is not necessarily a component of such a coating device 10, but can also be used separately.

[0032] The capping device 21 allows the narrow-surface coating material 13 to be capped to an optimized length, allowing it to be applied to the narrow surface 12 of the workpiece 11 in a corresponding length. In particular, when the narrow-surface coating material 13 is applied to the narrow surface 12 along the entire circumference of a workpiece 11, the capping device 21 can create a precise joint area between the two ends of the narrow-surface coating material 13.

[0033] In order to form a precise butt joint, the trimming device 21 can, for example, have an edge detection device (not shown in detail). This edge detection device detects a first end of the narrow-surface coating material 13 already applied to the narrow surface 12 in order to control the trimming process and cut the narrow-surface coating material 13 to the exact required length. The narrow-surface coating material 13 can thus be individually adapted in terms of its length for a narrow side 12 of a workpiece 11, so that differences in the length of narrow sides 12 of different workpieces 11 do not result in gaps or overlaps. The edge detection device can be connected to the trimming device 21 via an electronic control system and can be designed, for example, as a mechanical-electrical or an optical-electrical edge joint sensor.

[0034] The capping device 21 comprises a cutting tool 22 for cutting through the narrow surface coating material 13. This cutting tool 22 can be arranged both perpendicular to the direction of movement B of the narrow surface coating material 13 and inclined at an angle to the direction of movement B of the narrow surface coating material 13, as shown in Figure 1 is shown. Due to the inclined orientation, so-called shouldered edge joints can be formed. The cutting tool 22 can be any cutting tool, for example, a circular saw.

[0035] The cutting device 21 has an adjusting device 23, by means of which the cutting tool 22 can execute a cutting movement S and an adjusting movement W for cutting the narrow-surface coating material 13 to length. To execute the cutting movement S of the cutting tool 22, the adjusting device 23 has a first guide 24. The cutting movement S is in particular an advancing movement of the cutting tool 22 in the direction of the narrow-surface coating material 13 and comprises severing the narrow-surface coating material 13. The first guide 24 enables in particular a cutting movement S that is oriented substantially perpendicularly or inclined at an angle to the direction of movement B of the narrow-surface coating material 13. The first guide 24 is designed, for example, as a linear guide.

[0036] To execute the adjusting movement W of the cutting tool 22, the adjusting device 23 has a second guide 26. The second guide 26 provides a displacement movement of the cutting tool 22, which is oriented in the direction of movement B of the narrow-surface coating material 13, in particular parallel to the direction of movement B. This second guide 26 can also be designed as a linear guide.

[0037] The first guide 24 and the second guide 26 can be arranged relative to one another in such a way that a cross-guide is formed. This cross-guide forms a two-axis guide 24, 26 for controlling the cutting tool 22. Due to this arrangement of the guides 24, 26 relative to one another, the adjusting movement W and the cutting movement S can be carried out simultaneously, i.e., simultaneously or overlapping. In this way, the cutting tool 22 can carry out the adjusting movement W along the second guide 26 in the direction of movement B of the narrow-surface coating material 13 and, while carrying out the adjusting movement W, simultaneously carry out the cutting movement S for severing the narrow-surface coating material 13.

[0038] This simultaneous control of the adjusting movement W and the cutting movement S of the cutting tool 22 enables the narrow-surface coating material 13 to be cut to length without interrupting the transport movement of the narrow-surface coating material 13 or requiring a feed stop of the coating device 10. This means that the transport speed of the narrow-surface coating material 13 remains constant or is only slightly reduced for cutting to length. A complete feed stop of the transport movement of the narrow-surface coating material 13 is therefore not necessary for cutting to length.

[0039] In order to enable the cutting movement S to be executed during the adjusting movement W, the speed of the adjusting movement W must be adjusted to or synchronized with the transport speed of the narrow-surface coating material 13. For this purpose, the adjusting device 23 or the cutting tool 22 is operatively connected to a drive device 33. As shown in Figure 1Schematically shown, this drive device 33 is designed as a clamping device 27. This comprises two opposing clamping elements 28, which can be transferred from a through-feed position 29 into a clamping position 31. The clamping elements 28 can have control elements 35, for example energy storage elements or a drive, which control the transfer between the through-feed position 29 and the clamping position 31. The narrow-surface coating material 13 is guided between the two clamping elements 28, so that the clamping elements 28 can be brought into contact with the passing narrow-surface coating material 13 by the transfer into the clamping position 31. In particular, the clamping elements 28 rest against the narrow-surface coating material 13 in the clamping position 31 without slipping. Preferably, the clamping elements 28 rest against the two broad sides of the narrow-surface coating material 13 in the clamping position 31.The contact surfaces 30 of the clamping elements 28 facing the narrow-surface coating material 13 can have a structure or profile or be formed from a material with a high coefficient of friction, for example, a rubber-like material. In this way, the static friction between the clamping elements 28 and the narrow-surface coating material 13 can be increased to ensure slip-free operation.

[0040] By bringing the clamping elements 28 into contact with the narrow-surface coating material 13, i.e., by transferring them from the through-feed position 29 to the clamping position 31, the transport movement of the narrow-surface coating material 13 is transferred slip-free to the clamping device 27, so that the latter is accelerated to the transport speed and carried along with the narrow-surface coating material 13. In this way, the clamping device 27 is carried along with the transport movement of the narrow-surface coating material 13 until the clamping elements 28 are transferred again from the clamping position 31 to the through-feed position 29. Because the clamping device 27 is operatively connected to the adjusting device 23 or the cutting tool 22, the transport movement of the narrow-surface coating material 13 is transferred to the cutting tool 22, whereby the adjusting movement W of the cutting tool 22 is controlled.Due to the operative connection between the clamping device 27 and the cutting tool 22, the speed of the adjusting movement W of the cutting tool 22 is directly synchronized with the transport speed of the narrow-surface coating material 13. This allows the cutting tool 22 to perform the cutting movement S during the adjusting movement W in order to sever the narrow-surface coating material 13.

[0041] As shown in the detailed view according to Figure 2As shown, the two clamping elements 28 each have a recess 25, in particular a slot-shaped recess, which are arranged in a corresponding manner to one another. The recesses 25 are preferably adapted to a geometry of the cutting tool 22. If the clamping elements 28 engage the narrow-surface coating material 13 in a fixed position in the clamping position 31, the cutting tool 22 can thus penetrate into the recesses 25 in order to sever the narrow-surface coating material 13 fixed between the clamping elements 28.

[0042] The drive device 33 can alternatively or additionally be designed as a drive motor, a drive cylinder, a force storage element or a comparable actuator, and control the adjusting movement W and / or the cutting movement S of the cutting tool 22. In particular, it can be provided that such a drive device 33 is provided in addition to the clamping device 27. For example, the drive device can support the adjusting movement W and / or cutting movement S or control a pre-acceleration of the cutting tool 22 before the clamping device 27 is transferred into the clamping position 31. It can also be provided that the adjusting movement W is controlled by the clamping device 27 and the cutting movement S by a separate drive device 33. Alternatively, a mechanical drive transmission can also be provided to execute the cutting movement S.The drive device 33 may also have a synchronization device, for example a sensor, which synchronizes the speed of the actuating movement W of the cutting tool 22 with the transport speed of the narrow-surface coating material 13 via a controller.

[0043] After the narrow-surface coating material 13 has been cut to length or after the adjustment movement W and / or the cutting movement S has been performed, the cutting tool 22 or the capping device 21 can be returned to a starting position 32. For this purpose, the capping device 21 has a reset device 34. This reset device 34 can be a force storage element, for example a spring element or a pressure cylinder, which stores energy by performing the adjustment movement W and / or the cutting movement S and releases it again to perform the reset movement. Alternatively, the reset device 34 can also be a drive motor or a comparable reset drive that controls the return movement of the cutting tool 22 to the starting position 32.

[0044] In the Figures 3 to 6 various process steps of the cutting process by the cutting device 21 are shown schematically. Figure 3shows the capping device 21 in a first method step, in which the capping device 21 is arranged in the starting position 32. In this starting position 32, the two clamping elements 28 are arranged in the through-feed position 29, so that the narrow-surface coating material 13 is transported in the direction of movement B relative to the capping device 21. The capping device 21 is at a standstill in this starting position 32.

[0045] Figure 4shows the capping device 21 in a second method step, in which the clamping elements 28 of the clamping device 27 are arranged in the clamping position 31 and rest with the contact surfaces 30 on the narrow-surface coating material 13 without slippage. In this way, the clamping device 27 is moved along with the transport movement of the narrow-surface coating material 13. Since the clamping device 27 is operatively connected to the cutting tool 22, the cutting tool 22 is moved along with the clamping device 27 and executes the adjusting movement W. This is Figure 5shown. The adjusting movement W is a guided travel movement along the second guide 26, which is provided in particular parallel to the direction of movement B of the narrow-surface coating material 13. The cutting tool 22 executes the adjusting movement W in particular at the same speed as the transport speed of the narrow-surface coating material 13. The adjusting movement W of the cutting tool 22 is therefore carried out synchronously with the transport movement of the narrow-surface coating material 13. Simultaneously with the adjusting movement W, the cutting movement S of the cutting tool 22 is controlled, i.e. the cutting tool 22 is moved along the first guide 24 in the direction of the narrow-surface coating material 13 in order to sever the narrow-surface coating material 13.

[0046] In Figure 6The end of the cutting process is shown, with the cutting tool 22 being moved to one end of the first guide 24 and one end of the second guide 26 to completely sever the narrow-surface coating material 13. The cutting tool 22 is immersed in the recesses 25 of the clamping elements 28, and the narrow-surface coating material 13 is completely severed. Subsequently, the cutting tool 22 is first reset along the first guide 24 by the reset device 34 and then moved back along the second guide 26 to the starting position 32, so that the narrow-surface coating material 13 can be cut to length again.

[0047] After cutting to length, the cut end of the narrow surface coating material 13 is transported to the pressing device 17 in order to press it against the narrow surface 12 of the workpiece 11, in particular with an exact butt to the other end of the narrow surface coating material 13. LIST OF REFERENCE SYMBOLS

[0048] 10.Coating device 1.Workpiece 12.Narrow surface 13.Narrow surface coating material 14.Support 15. 16.Feeding device 17.Pressure device 18.Pressure roller 19. 20. 21.Cutting device 22.Cutting tool 23.Adjusting device 24.First guide 25.Recess 26.Second guide 27.Clamping device 28.Clamping element 29.Pass-through position 30.Contact surface 31.Clamping position 32.Starting position 33.Drive device 34.Reset device 35.Control elements BDirection of movement SCutting movement WAdjusting movement

Claims

1. A trimming apparatus (21), in particular for a coating apparatus (10) for coating narrow-surfaces (12) of plate-shaped workpieces (11), with a cutting tool (22) by means of which a cutting movement (S) for trimming a narrow-surface coating material (13) can be carried out, wherein the cutting tool (22) has a cutting region, to which the narrow-surface coating material (13) is transportable in a direction of movement (B), wherein an adjusting apparatus (23) is provided, by means of which an adjusting movement (W) of the cutting tool (22) can be controlled for trimming the narrow-surface coating material (13), wherein the adjusting movement (W) has at least one directional component, directed in the direction of movement (B) of the narrow-surface coating material (13), characterized in that the adjusting apparatus (23) has at least one drive apparatus (33) which controls at least the adjusting movement (W) of the cutting tool (22) from a starting position (32), wherein a speed of the adjusting movement (W) of the cutting tool (22) is adaptable to a transport speed of the narrow-surface coating material (13).

2. The trimming apparatus according to claim 1, characterized in that the adjusting apparatus (23) has at least one guide (24, 26), preferably at least one linear guide or cross guide, by means of which a guided adjusting movement (W) and / or cutting movement (S) of the cutting tool (22) is provided.

3. The trimming apparatus according to claim 1 or 2, characterized in that the adjusting movement (W) of the cutting tool (22) and the cutting movement (S) of the cutting tool (22) can be carried out simultaneously.

4. The trimming apparatus according to any one of the preceding claims, characterized in that the adjusting movement (W) of the cutting tool (22) is provided substantially parallel to the direction of movement (B) of the narrow-surface coating material (13).

5. The trimming apparatus according to any one of the preceding claims, characterized in that the drive apparatus (33) is formed as a power storage element, drive cylinder, drive motor or as a comparable actuator and preferably, a synchronization apparatus is provided which adapts the speed of the actuating movement (W) of the cutting tool (22) to the transport speed of the narrow-surface coating material (13).

6. The trimming apparatus according to any one of the preceding claims, characterized in that the drive apparatus (33) is formed as a clamping apparatus (27) which, in a clamping position (31), bears against or engages the narrow-surface coating material (13) without slipping, such that the clamping apparatus (27) in the clamping position (31) can be entrained by the transport movement of the narrow-surface coating material (13).

7. The trimming apparatus according to claim 6, characterized in that the clamping apparatus (27) has at least two mutually opposed clamping elements (28), which can be transferred from a through-feed position (29) into the clamping position (31), wherein the narrow-surface coating material (13) can be transported between the clamping elements (28) in the through-feed position (29) and the clamping elements (28) in the clamping position (31) bears against or engages the narrow-surface coating material (13).

8. The trimming apparatus according to claim 7, characterized in that the at least two clamping elements (28) have recesses (25) corresponding to one another, into which the cutting tool (22) at least partially dips when carrying out the cutting movement (S).

9. The trimming apparatus according to any one of the preceding claims, characterized in that the adjusting apparatus (23) has at least one return apparatus (34), preferably a power storage element, a drive cylinder, a drive motor or a comparable return drive, by means of which a return movement of the cutting tool (22) into the starting position (32) can be controlled following the trimming of the narrow-surface coating material (13).

10. A coating apparatus (10) for coating narrow-surfaces (12) of plate-shaped workpieces (11) with a narrow-surface coating material (13), with a feeding apparatus (16) for the feeding the narrow-surface coating material (13) and with a pressing apparatus (17) for pressing of the narrow-surface coating material (13) on the narrow-surface (12) of the workpiece (11), characterized in that a trimming apparatus (21) of any one of claims 1 to 9 is provided for trimming the narrow-surface coating material (13).

11. The coating apparatus according to claim 10, characterized in that the coating apparatus (10) is CNC-controlled or is formed as a CNC-controlled machining center or is a component of a CNC-controlled machining center.

12. A method for trimming a narrow-surface coating material (13) with a trimming apparatus (21) of any one of claims 1 to 9, comprising the steps of - the narrow-surface coating material (13) is transported in a direction of movement (B) to a cutting region of a cutting tool (22) of the trimming apparatus (21), - for trimming the narrow-surface coating material (13), an adjusting movement (W) of the cutting tool (22) is controlled from a starting position (32), wherein the adjusting movement (W) has at least one directional component directed in the direction of movement (B) of the narrow-surface coating material (13), - simultaneously with the adjusting movement (W) of the cutting tool (22), a cutting movement (S) of the cutting tool (22) is controlled and the narrow-surface coating material (13) is severed, and - the cutting tool (22) is returned to the starting position (32) following the trimming of the narrow-surface coating material (13).

13. The method according to claim 12, characterized in that the adjusting movement (W) of the cutting tool (22) is carried out at an adjusting speed which essentially corresponds to the transport speed of the narrow-surface coating material (13).

14. The method according to claim 12 or 13, characterized in that the transport speed of the narrow-surface coating material (13) for cutting the narrow-surface coating material (13) remains constant or is transported at a reduced transport speed.

15. Method according to any one of claims 12 to 14, characterized in that for trimming the narrow-surface coating material (13), a clamping apparatus (27) of the trimming apparatus (21) is transferred into a clamping position (31) in which the clamping apparatus (27) bears against or engages the narrow-surface coating material (13) without slipping and at least the clamping apparatus (27) and the cutting tool (22) are entrained by the transport movement of the narrow-surface coating material (13).