DE102016108789A1 - Control station for quality control of parts, especially furniture fronts, processing plant with such a control station and method for operating such a control station and a processing plant with such a control station - Google Patents

Abstract

Control station (10) for quality control of parts (30), in particular furniture fronts, comprising a conveying device (11) for conveying the parts (30), at least one, preferably eight, control stations (12) for checking the parts (30), a relaying device and / or sorting device (13) for passing and / or sorting the parts (30). The invention relates to a control station (10) for quality control of parts (30), in particular furniture fronts. The control station (10) comprises a conveying device (11) for conveying the parts (30), one or more control stations (12) for checking the parts (30), and a passing and / or sorting device (13) for passing on and / or Sorting of parts (30). The invention further relates to a system (40) for processing parts (30), in particular furniture fronts, with such a control station (10). Furthermore, the invention relates to a method for operating a control station (10) and a method for operating a system (40) for processing parts (30).

Description

The invention relates to a control station for quality control of parts, in particular furniture fronts. The invention further relates to a system for processing parts, in particular furniture fronts, with such a control station. Furthermore, the invention relates to a method for operating a control station and a method for operating a system for machining parts.

The furniture fronts can be, for example, furniture doors or drawer fronts, but also pure decorative fronts without any further function or mobility. Typical areas of application for furniture fronts are kitchen furniture, in which case the furniture fronts are so-called kitchen fronts. But furniture fronts are also used in cabinets and shelves as well as in cupboard and shelving systems. For the most part, the decorative character of furniture fronts is in the foreground, as a rule, a front side provided as a visible side is designed as a decorative side. In many cases, in addition to the decor and cover function also added additional functions, such as the use of the furniture front door or drawer front, in many cases, a handle or handle bar is attached to the decorative side of the furniture front.

In addition to the decorative aspect and possibly specific functions, the everyday practicality demands on furniture fronts, for example, a dirt-repellent and well wipeable training in particular the decorative side and a certain heat resistance, especially in kitchen fronts.

In addition, the material costs and the associated manufacturing costs must be considered in the selection of materials and the construction of the furniture fronts.

Most solid wood or wood-based material, in particular wood chip or fiber boards, form the basis for the production of furniture fronts. These are provided before and / or after shaping by sawing or the like on the surface and / or at the cut edges with a surface, in particular by means of bonding, the above requirements, such as the decorative effect and dirt-repellent and easy to wipe the surface , Fulfills. For example, real wood veneers or plastic edge bands, protective and / or decorative films, other plastic coatings and / or paint surfaces may be provided for this purpose.

In order to meet quality and customer requirements, it is desirable that the fronts surfaces have no damage such as cracks. It is thus necessary to subject the fronts to a quality control, in particular a visual inspection in which faulty furniture fronts are detected and sorted out. Such a test is usually time-consuming and thus expensive, since it must take place outside the manufacturing process and can delay the provision of the end product.

It is therefore desirable to integrate the control of furniture fronts or parts in general in the context of a manufacturing process or directly following a manufacturing process of the furniture fronts or parts integrated into the process, save time and thus economically.

It is an object of the invention to provide a new, preferably the above requirements sufficient control station for quality control of parts, especially furniture fronts. Furthermore, a system for processing parts, especially furniture fronts, to be proposed with such a control station. It is also an object of the invention to provide a method for operating a control station and a system for processing parts.

This object is achieved with regard to the control station by the features of claim 1, with respect to the Appendix by the features of claim 13, with respect to the method for operating the control station by the features of claim 21 and with respect to the method for operating the system for machining parts The features of claim 26. Advantageous embodiments and further developments are specified in the respective dependent claims.

The control station according to the invention for quality control of parts, in particular furniture fronts, comprises a conveying device for conveying the parts, one or more control stations for checking the parts, and a transfer and / or sorting device for transferring and / or sorting the parts.

Preferably, two or four or six or eight or ten control stations are provided, but any other number is possible.

The transfer and / or sorting device preferably connects to the conveying device, that is to say the parts reach the transfer and / or sorting device after passing through the conveying device.

The advantages of the invention are, in particular, that the conveyor device automatically guides the parts to the control stations and away from the checkpoints. As a result, quality control can be carried out in a time-saving and cost-saving manner. The inspector does not have to select and remove the parts from a process or from a stack during quality control, but instead receives the parts to be tested on the control station as part of a predetermined selection. Furthermore, the control station according to the invention can be excellently integrated into an automated production process, between the last processing step or a buffer storage and the final sorting and / or storage step.

According to a development, the control station comprises a control device with a memory, wherein the control device is provided at least for controlling and / or calculating and / or storing the order of feeding and / or conveying the parts to and / or in the control station. It is therefore possible, for example, to carry out the feeding of the parts, the conveyance of the parts through the control station and the selection and order of the parts to be controlled in a defined, preferably predetermined manner and thereby the position and / or sequence of the parts through the entire control station to the forwarding at the end of the control station, if necessary, to the final storage, to capture and here, for example, also part specific to record the result of quality control and save. For example, it is thus possible to carry out a random check and only supply certain parts to the control stations and let others pass uncontrolled. Usually, the control device comprises a computer or other electronic control.

In a further embodiment, the conveying device comprises a feed line and a discharge line, wherein feed line and discharge line are provided in different planes. The discharge line is preferably arranged above the feed line. The feed line and / or the discharge line can be designed as belt conveyors and / or belt conveyors and / or roller conveyors and / or chain conveyors. By discharging the parts from the feed line, it is possible to transport the parts to the checkpoints. After checking, the parts are transported away again by injecting the tested parts into the discharge line. Due to the construction in two levels, it is also possible to convey parts unchecked directly. In this case, they are simply transported on the feed path along the conveyor device without being assigned to a control station.

According to one embodiment of the invention, the feed section and / or the discharge path have or have a substantially rectilinear profile, wherein the at least one checkpoint is provided laterally next to the feed path and / or the discharge path.

When providing several checkpoints they can be arranged in a line laterally next to the feed line and / or discharge line. But it is also possible that a plurality of control stations are arranged on opposite sides of the feed line and / or discharge line, offset along the feed line and / or discharge line to each other or in pairs opposite each other. For example, with eight control stations, four may be located on each side. This applies analogously to two or four or six or ten or more control stations. The arrangement of the control stations can thus be advantageously adapted to existing space conditions or requirements for safety and ergonomics.

The control station may comprise a feeding device for feeding the parts to the conveying device, wherein the feeding device comprises a rotating device, wherein the rotating device is provided for rotation, in particular for rotation through 90 °, of the parts in an orientation of the parts provided for the conveying device. This makes it possible to rotate the parts so that they can be optimally aligned. Of course, other angles than 90 ° are conceivable.

According to one development of the invention, the relaying and / or sorting device is a robotic system or comprises a robot system, wherein the robotic system is, for example, an industrial robot with robotic arm or a portal gripper or comprises it, and wherein the robotic system comprises at least one gripper, in particular a rotatable one and / or pivotable and / or extendable gripper, with which the arriving on the conveyor device parts are tangible and can be transferred to a predetermined or predetermined storage space. For example, so the parts can be stored in sorted stacks in order to be available for the removal or disposal.

Conveniently, the control stations or each have a workbench with a worktop and two buffer sections, wherein the first buffer path for supplying the parts from the conveyor, in particular from the feed line, is provided to the workbench, and wherein the second buffer line for returning the parts from the workbench to the conveying device, in particular to the discharge line, is provided. This allows a quick and efficient control of the parts by an orderly feeding of the parts, without the Return to the conveyor would be associated with greater effort for the inspector.

Further advantageous for deflecting the parts of the conveying device, in particular from the feed line to the first buffer path of a control place an angle transfer device is provided. This allows in particular to automatically lead the parts to the control station. For example, a sliding actuator can push the parts onto the buffer section.

According to a development, the first and / or the second buffer section comprise transport belts or are formed by transport belts. Also conceivable are other transport devices such as transport wheels or the like.

Furthermore, the first buffer line can be arranged at the level of the worktop of the worktable and / or below the second buffer section. However, it is also conceivable another arrangement, for example, an arrangement next to each other or such that the second buffer path is arranged below the first buffer path.

Furthermore, it can be provided that the worktop of the worktable is at least partially foldable, wherein the worktop is foldable such that at least one edge of the worktop from one of the height of the first buffer section corresponding height to one of the height of the second buffer section corresponding height is foldable. This makes it possible, in particular heavy parts without much effort to push the second buffer patch, where the part is then detected by the transport device, such as the conveyor belt and transported away. It would also be conceivable, instead of the hinged design, to provide a lifting platform or the like on or in the worktop in order to lift the parts onto the second buffer section. In an arrangement in which the second buffer line is arranged below the first buffer line, it is also conceivable to tilt the worktop in such a way that the part slides downwards.

In a further advantageous embodiment, a suction device, in particular a suction cup, provided on and / or in the worktop of the worktable, wherein the suction device is raised and / or lowered and / or rotatable, and wherein the suction device preferably for fixing and / or Raising and lowering and / or to rotate the parts is provided. This allows a power-saving handling by the test person and minimizes the risk of damage to the part by the fixation with the suction device.

The aforementioned rotation is understood in particular as a rotation about a plane perpendicular to the worktop rotation axis.

The inventive system for processing parts, in particular furniture fronts, comprises a control station according to the invention. Advantageously, manufacturing and control are thus provided as successive processes in order to be able to carry out the quality control of the parts in a time-saving and efficient manner.

Preferably, the system comprises a control device with a memory, wherein the control device is provided at least for controlling and / or calculating and / or storing the order of feeding the parts into and / or for conveying the parts in the system. Such a control device may be, for example, a connected computer or other electronic control, with correspondingly adjustable programs and program steps.

The system may comprise a blanking device, wherein the parts can be cut into predetermined or predefinable blanks by the blanking device. For example, this is a sawing device in which parts are inserted and can be processed according to the specifications, for example based on programs stored in a control device.

The installation may also comprise a stacking station for stacking and / or storing the parts, the stacking station being arranged downstream of the cutting device in the machine running direction. This makes it possible to sort the parts, for example, before the edging in stacks and order to prepare them for the next steps.

Furthermore, the system may also comprise an edging device for edging at least one, preferably two, in particular four, cut edges of the parts, wherein the edging device is arranged downstream of the stacking position in the system running direction. In this step, the edges of the parts are provided, for example with real wood veneers or plastic edge bands, protective and / or decorative films, other plastic coatings and / or paint surfaces, for example by means of gluing, to visually blend and / or protect the parts.

According to a development, the edging device at least one, preferably one or two or three or four, rotating devices for rotating the parts, in particular for rotating the parts by 90 °, wherein the rotating device or the rotating devices in the machine direction preferably before and / or behind the An edging device and / or further preferably between individual parts of the edging device, each performing an edging or two opposite edging operations are provided. However, it is also possible to provide other angles, or, depending on the design of the edging device to supply parts in the original starting position.

The control station is expediently arranged downstream in the machine running direction of the edging device, wherein preferably a second stacking and / or storage space is provided between the edging device and the control station.

In an advantageous embodiment of the invention, the system comprises a buffer zone, in particular a buffer zone with downstream high-bay warehouse, with one or more storage bins for the storage of parts, wherein the buffer zone of the control station is arranged downstream in the machine direction. Of course, other types of bearings are conceivable. Also, a direct removal, for example by the parts are loaded directly onto a truck, is conceivable.

• – Fördern der Teile mittels einer Fördervorrichtung;
• – Ausschleusen zumindest einiger der geförderten Teile zur Qualitätskontrolle und Weiterförderung der nicht ausgeschleusten Teile ohne Qualitätskontrolle;
• – Kontrollieren der ausgeschleusten Teile an einem oder mehreren Kontrollplätzen und Rückführung der kontrollierten Teile, vorzugsweise nur der kontrollierten und für in Ordnung befundenen Teile, zur Fördereinrichtung;
• – Weitergeben und/oder Sortieren der Teile am Ende der Fördervorrichtung mittels einer Weitergabe- und/oder Sortiervorrichtung.

The method according to the invention for operating a control station, in particular a control station according to the invention, comprises the following steps:

• - conveying the parts by means of a conveyor device;
• - discharging at least some of the conveyed parts for quality control and further promotion of parts not discharged without quality control;
• - inspecting the discharged parts at one or more control stations and returning the inspected parts, preferably only those parts which have been checked and found to be in order, to the conveyor;
• - Passing and / or sorting of the parts at the end of the conveying device by means of a transfer and / or sorting device.

This method enables an efficient, fast and economical quality control system. In particular, the invention enables automated supply and discharge of the parts to be tested.

The discharged parts to be checked can, for example, be supplied to the respective control station via a feed line, preferably in accordance with a selection and / or sequence predetermined by the control device. After checking, the parts can be returned to the conveyor via a discharge line.

In a development, the parts of the conveying device are fed by means of a feeder before conveying the parts by means of the conveying device, wherein the parts are rotated in the feeder by means of a rotating device, in particular rotated by 90 °, if the alignment of the parts not yet for the Conveying device provided alignment corresponds. For example, the delivery device may be a conveyor belt.

Advantageously, the order of the parts in the control station or the order of feeding the parts to the conveyor, preferably by means of a control device with memory, controlled and / or calculated and / or stored. As already mentioned, such a control device can be a computer or another electronic control.

It may be provided that a random check or no control of the parts is carried out. The exact assignment of the parts to be controlled to the various control stations is specified by the control device.

The relaying and / or sorting device may be or comprise a robot system, wherein the robot system is, for example, an industrial robotic robot or a portal gripper or comprises these components, and wherein the robotic system comprises at least one gripper, in particular a rotatable and / or pivotable and / or extendable Gripper, which grips with the arriving on the conveyor parts and transferred to a predetermined or predetermined storage space.

Conveniently, the order of the parts in the control station, preferably by means of the control device (s) with memory, is controlled and / or calculated and / or stored and the order of the parts when transferred to a relaying and / or sorting device forms the basis for the determination a predetermined storage space formed in a buffer zone, wherein preferably also the storage space of the parts in the buffer zone and / or controlled in a downstream high-bay warehouse and / or calculated and / or stored. This makes it possible to sort and stack the parts according to their nature, their dimensions and / or their other features in order to facilitate the further steps, for example, storage in high-bay warehouse. The automated or manual retrievability of the parts is also improved.

• – Zuschnitt der Teile in vorgegebene oder vorgebbare Zuschnitte, vorzugsweise mittels einer Zuschnittvorrichtung;
• – Stapeln der zugeschnittenen Teile, vorzugsweise an einem Stapelplatz;
• – Kontrollieren zumindest einiger der Teile in der Kontrollstation, insbesondere der erfindungsgemäßen Kontrollstation.

The method according to the invention for operating a system for processing parts, In particular, a system according to the invention for processing parts, comprises the following steps:

• - Cutting the parts into predetermined or predefinable blanks, preferably by means of a blanking device;
• - Stacking the cut parts, preferably at a stacking place;
• - Check at least some of the parts in the control station, in particular the control station according to the invention.

By this method, it is possible within a plant for the manufacture of parts, in particular furniture fronts, to include a quality control.

Advantageously, after the parts have been cut, the sequence of the parts in the stack, preferably by means of a control device with memory, is controlled and / or calculated and / or stored. It may be a computer or other electronic control that is equipped for such a purpose with appropriate hardware and software.

The parts may be stacked such that the comparatively shorter parts, viewed in a longitudinal direction of the resulting stack, are arranged in the center of the stack and the comparatively longer parts in the end regions of the stack. This results in a compact and stable stack with a defined arrangement of the parts. The stack can then be transported to the next station, where the parts can be sorted taken from the stack and fed to the next station. In particular, an automated construction of the stack and / or an automated removal of the parts from the stack is possible, for example by means of corresponding gripping devices.

Conveniently, the parts are fed after cutting and the subsequent stacking an edging device, wherein the parts are edged by means of the edging device to at least one, preferably at two or four, cut edges. In this case, the cut edges are provided for example with real wood veneer or plastic edge bands, protective and / or decorative films, other plastic coatings and / or paint surfaces, for example by means of gluing, to visually blend and / or protect the parts.

Before and / or after the edging of the parts or the edging of individual edges or part of the edges of the parts in the edging device, the parts, preferably by means of a rotating device, in particular by 90 °, are rotated to bring the parts in an intended orientation , However, other angles are conceivable, as well as leaving the parts in the initial orientation.

It can also be provided that after the edging of the parts in the edging device and before checking the parts in the control station, the parts are stacked again, the sequence of parts in the stack, preferably by means of the control device with memory, controlled and / or calculated and / or is stored and / or represents a reversal of the order of parts in the stack after cutting.

The invention will be explained in more detail below with regard to further features and advantages with reference to the description of embodiments and with reference to the accompanying schematic drawings.

Show

1 an overall view of an exemplary system according to the invention for processing parts with an embodiment of a control station according to the invention,

2 an embodiment of a control station in a side view, and

3a to 3e each an exemplary control seat in a side view, wherein the sequence of figures exemplifies the inventive method for operating a control station.

Corresponding parts and components are denoted by the same reference numerals in the figures.

1 shows an overall view of an exemplary plant 40 for editing parts 30 with a control station 10 according to an embodiment of the invention.

At the parts 30 it can be furniture fronts, especially kitchen fronts.

The parts 30 go through the facility 40 along a plant running direction A, in 1 indicated by dashed arrows. The system is controlled 40 and the passage of the parts 30 by means of a control device 41 with a memory 42 that with all stations of the plant 40 communicates. With the control device 41 The calculation and storage of the sequence of parts feeding and part rebuilding also take place.

Inside the plant 40 is the first station to process parts 30 a cutting device 43 provided with the one from Starting material, such as particleboard or wood fiber boards, the parts 30 be tailored. The starting material is for this purpose in the blanking device 43 , For example, with an automated circular, band or jig saw or other saw, according to predetermined dimensions to corresponding strips, the parts 30 , sawn.

The blank can be made, for example, in the package, that is, several layers of the starting material stacked one above the other are sawn together to appropriate dimensions, so that at the same time several parts 30 arise with identical dimensions. For consecutive sawing parts can 30 different dimensions are sawn, according to one of the control device 41 predetermined order. Then the sawn parts 30 preferably automated, stacked in a predetermined order, preferably longer parts in the stack 30 in the longitudinal direction of the resulting stack front and rear and shorter parts 30 be arranged in the middle.

Along the machine direction A are the stacked parts 30 one of the cutting device 43 downstream stacking place 44 fed, at which the stacks are stored. For example, the formed stack of parts 30 as stripe packages each stacked up to a total height of 1,200 mm. Inside the stacking place 44 stand the stacks with the parts 30 thus ready for transport to Fronts.

The Frontskantung is in an edging device 45 carried out the stacking 44 is provided downstream. In this edging device 45 become the cut edges, for example two or four edges, of the parts 30 bekantet, for example by applying real wood veneers or plastic edge bands, protective and / or decorative films, other plastic coatings, preferably by means of bonding. The edging device 45 includes two rotating devices 46 and 47 , With the rotary device 46 can the parts 30 be rotated in the desired orientation, for example by rotation through 90 °. After edging the parts 30 These are from the rotary device 47 again rotated (in the exemplary embodiment again by 90 °) and one of the edging device 45 downstream second stack 48 fed. For this, the parts are 30 re-stacked after the edging to a stack, the stack with a defined sequence of parts 30 is formed. The order of parts 30 in the stack is by means of the control device 41 and the attached memory 42 controlled, calculated, stored or preferably, a reversal of the order of the parts 30 in the stack after cutting dar.

From the stacking place 48 become the stacked parts 30 a control station 10 supplied, preferably by automated removal from the stack. In the control station 10 there is a quality control of the parts 30 , in particular by visual inspection. For this, the parts are 30 by means of a feeding device 17 for example, which is designed as a belt conveyor, to a conveyor 11 to promote the parts 30 to hand over.

The feeder 17 initially comprises a turning device 18 to the parts 30 in one for the conveyor 11 to bring the intended orientation. In the exemplary embodiment, the parts are rotated for this purpose by 90 °. Also conceivable are other angles or a waiver of the rotation. Such a rotating device could also be elsewhere, for example already in the context of the feeding device 17 or the feeder 17 upstream, can be arranged.

The conveyor 11 is divided in the embodiment in a feed line 16a and a laxative route 16b which have a substantially straight course and are formed, for example, as a belt conveyor, belt conveyor, roller conveyor, chain conveyor or a combination thereof. The feed line 16a and a laxative route 16b are arranged one above the other, bringing the conveyor 11 consists of two levels. There are also other arrangements conceivable, for example, parallel or vertically offset one above the other.

• – Vollständige, also 100% Kontrolle aller Teile 30.
• – Variabel einstellbare Stichprobenkontrolle.
• – Keine Kontrolle der Teile 30, das heißt die Teile werden über die Fördervorrichtung 11 ungeprüft weitergefördert an eine in Anlagenlaufrichtung A nachgeordnete Weitergabe- und/oder Sortiervorrichtung 13.

The control station 10 further comprises a control device 14 with a memory 15 , The control device 14 is for controlling and / or calculating and / or storing the order of feeding and / or conveying the parts 30 to and / or within the control station 10 intended. Furthermore, by the control device 14 the choice of whether and to what extent the parts 30 in the control station 10 to be controlled. The possibilities of using the control station 10 are for example the following:

• - Complete, so 100% control of all parts 30 ,
• - Variable random sampling control.
• - No control of the parts 30 That is, the parts are transported via the conveyor 11 unchecked on conveyed to a downstream in the system direction A downstream transfer and / or sorting device 13 ,

It is also possible to control components coming from other sources. It is possible, this control of components from other sources also with the control of the parts 30 from the combine the above-described machining sequence.

It is possible to have individual parts 30 for checking by hand. Preferably, however, the selection of the parts to be controlled 30 from the control device 14 controlled.

The control station 10 includes several, in the embodiment eight, control stations 12 to control the parts 30 , For example, these may each be opposite to the conveyor 11 or laterally next to the feed section 16a and / or the discharge line 16b be arranged. Also conceivable are other arrangement, for example, several control posts 12 in a row, as well as a variable number of control stations 12 ,

The control device 14 may also be adapted to the actual control posts occupied by a controller 12 and only those occupied control posts 12 parts to be controlled 30 supply. For this purpose, it may be provided that the inspectors at the respective control stations 12 log in and out and this information to the control device 14 is passed on.

In the embodiment, the parts 30 according to the specifications by the control device 14 over the feed line 16a the control posts 12 fed and after the control of the discharge line 16b discharged again. The details of this discharge, control and re-feeding of the parts 30 are shown below by 2 and 3a to 3e described.

The control station 10 still stands with a buffer zone 49 in connection, which is connected in plant running direction A. To the buffer zone 49 If necessary, a high-bay warehouse can also be connected, if necessary also physically separated from the buffer zone 49 , The buffer zone 49 includes several storage bins 21 in which the parts 30 be stored after being removed from the conveyor 11 with or without control at the control stations 12 to a transfer and / or sorting device 13 have been promoted. The transfer and / or sorting device 13 is as a robot system 19 formed or includes such. Also conceivable is the execution as a portal gripper device. The robot system 19 includes a gripper 20 with a gripper arm, with which the parts 30 from the conveyor 11 and to the storage bins 21 according to the specifications of the control device 14 sorted is passed on. On the storage areas 21 the buffer zone 49 become the parts 30 , preferably sorted according to size and / or other characteristics, stacked and stored temporarily and are then available for the continuation in the high-bay warehouse or another warehouse or directly in a means of transport, such as a truck, for removal.

Furthermore, the control device 14 provided by the control device 14 known order of parts 30 during the transfer to the transfer and / or sorting device 13 the basis for defining a given storage location in the buffer zone 49 to form, preferably also the storage space of the parts 30 in the buffer zone 49 and / or controlled and / or calculated and / or stored in a downstream high-bay warehouse.

2 shows an embodiment of a control station 10 in a side view. As already explained, the conveying device comprises 11 in the exemplary embodiment two levels, the parts 30 with appropriate specification by the control device 14 over the feed line 16a the respective control place 12 fed and after the control of the discharge line 16b be discharged again. The detailed procedure for this will be described below.

If a check of a part 30 is provided, it is from the conveyor 11 or the feed section 16a by means of an angle transfer device 28 , For example, via an electric or hydraulic Schiebeaktuator or a role / belt angle transfer, on a buffer line 24 transferred. The buffer line 24 can with the feed line 16a in direct or indirect connection. Preferably, it is substantially at the same level or at a slightly lower level than the feed line 16a , On or in the buffer line 24 is a transport belt 29 provided to the part 30 to a workbench 22 to move in the direction behind the buffer line 24 is arranged, preferably substantially at the same level or slightly lower.

Furthermore, a second buffer line 25 provided, which also has a transport belt 29 includes. The buffer line 25 is in the embodiment directly above the buffer line 24 orders and is intended to the parts 30 after checking for the discharge line 16b to transport and thus to the conveyor 11 to recirculate through which the parts 30 to the transfer and / or sorting device 13 be transported. That of the discharge line 16b facing the end of the second buffer path 25 is essentially at the level of the discharge line 16b or slightly higher. The buffer line 25 can - as shown - run obliquely upwards or alternatively horizontally.

The workbench 22 includes a worktop 23 which is foldable such that at least one edge 26 the worktop 23 from a substantially the height of the first buffer path 24 corresponding height to a substantially the height of the second buffer section 25 on the worktop 23 facing end corresponding height is hinged. Thus it is possible to have a controlled part 30 to return manually or automatically after the check without much effort or loss of time. For example, it is possible to use the parts 30 just on the buffer line 25 to push. Furthermore - as shown schematically and symbolically - be provided in or on the worktop 23 or in or at the workbench 22 a suction device 27 to arrange, in particular designed as a suction cup, wherein the suction device 27 is preferably raised and / or lowered and / or rotatable designed for lifting and / or lowering and / or rotating the parts 30 at the control. The suction device 27 can also be used to fix the parts 30 be provided. To enable the rotation of the parts 30 can also be provided a turntable.

3a to 3e each show an exemplary control station 12 in a side view, wherein the sequence of figures exemplifies the inventive method for operating a control station.

In the exemplary embodiment shown, more than one feed line is already described by the control device 14 selected parts 30a to 30b the control place 12 supplied as soon as this by a test person 33 logged in and / or if the worktop 23 and / or the buffer path 24 not already occupied. Like in the 3a shown, becomes a part 30a on the buffer line 24 in the feeding direction 31 to the worktop 23 transported. How to continue the 3a to 3e can be seen, are more parts 30b to 30d ready, after checking the part 30a the worktop 23 to be fed. However, these stop on the buffer line 24 and only after the inspection of the previous part by the inspector 33 used successively or the worktop 23 fed. To the surfaces of the parts 30 not to damage the workplace can be provided as a brush table.

By means of an in 3a to 3e not shown suction device 27 and a turntable, also not shown, the part 30a now be turned and controlled. Also it is possible the part 30a to tilt and thus to examine the bottom.

For example, the surface of the part 30 be examined for cracks or bumps and if damaged, the part may 30 from the examiner 33 be sorted out.

For example, by a pressure or touch button on the worktop 23 this can be brought into the already explained skew. The part 30a can now go up in the discharge direction 32 on the buffer line 25 , either automatically via the conveyor belts 29 or by pushing, brought and thus returned.

The worktop 23 moves automatically or manually operated again to the level of the buffer line 24 and is ready to receive the following part 30b ,

LIST OF REFERENCE NUMBERS

10

control station

11

conveyor

12

control station

13

Transfer and / or sorting device

14

control device

15

Storage

16a

feed section

16b

feed track

17

feeder

18

rotator

19

robot system

20

grab

21

campsite

22

worktable

23

countertop

24

first buffer line

25

second buffer line

26

edge

27

suction device

28

Angular transfer device

29

conveyor belts

30

part

30a

Part A

30b

Part B

30c

Part c

30d

Part d

31

feed

32

discharge direction

33

examinee

40

investment

41

control device

42

Storage

43

cutting device

44

storehouse

45

Bekantungsvorrichtung

46

rotator

47

rotator

48

second stacking place

49

buffer zone

A

Conditioning running direction

Claims (31)

Control station ( 10 ) for the quality control of parts ( 30 ), in particular furniture fronts, comprising a conveyor device ( 11 ) to promote the parts ( 30 ), one or more control posts ( 12 ) for checking the parts ( 30 ), and a transfer and / or sorting device ( 13 ) for passing on and / or sorting the parts ( 30 ). Control station according to Claim 1, characterized in that the control station has a control device ( 14 ) with a memory ( 15 ), wherein the control device ( 14 ) at least for controlling and / or calculating and / or storing the order of feeding and / or conveying the parts ( 30 ) to and / or in the control station ( 10 ) is provided. Control station according to claim 1 or 2, characterized in that the conveying device ( 11 ) a feed line ( 16a ) and a discharge line ( 16b ), wherein feed line ( 16a ) and discharge line ( 16b ) are provided at different levels. Control station according to claim 3, characterized in that the feed line ( 16a ) and / or the discharge line ( 16b ) have or have a rectilinear course, wherein the one or more control stations ( 12 ) laterally next to the feed section ( 16a ) and / or the discharge line ( 16b ) are provided. Control station according to one of the preceding claims, characterized in that the control station ( 10 ) a feeding device ( 17 ) for the supply of parts ( 30 ) to the conveyor device ( 11 ), wherein the feeding device ( 17 ) a turning device ( 18 ), wherein the rotating device ( 18 ) for rotation, in particular for rotation through 90 °, of the parts ( 30 ) into one for the conveyor device ( 11 ) intended alignment of the parts ( 30 ) is provided. Control station according to one of the preceding claims, characterized in that the relaying and / or sorting device ( 13 ) a robot system ( 19 ) is or comprises, wherein the robot system ( 19 ) is or includes, for example, an industrial robotic robot or a portal gripper, and wherein the robotic system ( 19 ) at least one gripper ( 20 ), in particular a rotatable and / or pivotable and / or extendable gripper ( 20 ), with which on the conveyor ( 11 ) incoming parts ( 30 ) and to a predetermined or predefinable storage bin ( 21 ) are transferable. Control station according to one of the preceding claims, characterized in that the control place (s) ( 12 ) one workbench each ( 22 ) with a worktop ( 23 ) as well as two buffer sections ( 24 . 25 ), wherein the first buffer path ( 24 ) for feeding the parts ( 30 ) from the conveyor device ( 11 ), in particular from the feed line ( 16a ), to the workbench ( 22 ), and wherein the second buffer path ( 25 ) for returning the parts ( 30 ) from the workbench ( 22 ) to the conveyor device ( 11 ), in particular to the discharge line ( 16b ), is provided. Control station according to claim 7, characterized in that for diverting the parts ( 30 ) from the conveyor device ( 11 ), in particular from the feed line ( 16a ), to the first buffer line ( 24 ) of a control station ( 12 ) an angular transfer device ( 28 ) is provided. Control station according to claim 7 or 8, characterized in that the first buffer line ( 24 ) and / or the second buffer line ( 25 ) Transport belt ( 29 ) or by transport belts ( 29 ) are formed. Control station according to one of claims 7 to 9, characterized in that the first buffer line ( 24 ) at the height of the worktop ( 23 ) of the worktable ( 22 ) and / or below the second buffer line ( 25 ) is arranged. Control station according to one of claims 7 to 10, characterized in that the worktop ( 23 ) of the worktable ( 22 ) is formed foldable at least in sections, wherein the worktop ( 22 ) is foldable such that at least one edge ( 26 ) of the worktop ( 23 ) from one of the heights of the first buffer line ( 24 ) corresponding height to one of the height of the second buffer line ( 25 ) corresponding height is foldable. Control station according to one of claims 7 to 11, characterized in that a suction device ( 27 ), in particular a suction cup, on and / or in the worktop ( 23 ) of the worktable ( 22 ) is provided, wherein the suction device ( 27 ) is liftable and / or lowerable and / or rotatable, and wherein the suction device ( 27 ) preferably for fixing and / or lifting and / or lowering and / or rotating the parts ( 30 ) is provided. The aforementioned rotation is understood in particular as a rotation about a plane perpendicular to the worktop rotation axis. Investment ( 40 ) for processing parts ( 30 ), in particular furniture fronts, comprising a control station ( 10 ) according to one of the preceding claims. Plant according to claim 13, characterized in that the system is a control device ( 41 ) with a memory ( 42 ), wherein the Control device ( 41 ) at least for controlling and / or calculating and / or storing the order of feeding the parts ( 30 ) in and / or to promote the parts ( 30 ) in the plant ( 40 ) is provided. Plant according to claim 13 or 14, characterized in that the plant ( 40 ) a cutting device ( 43 ), wherein by the blanking device ( 43 ) the parts ( 30 ) can be cut into predetermined or predefinable blanks. Plant according to one of claims 13 to 15, characterized in that the plant ( 40 ) a stacking place ( 44 ) for stacking and / or storing the parts ( 30 ), wherein the stacking place ( 44 ) in the machine direction (A) of the cutting device ( 43 ) is subordinate. Installation according to one of claims 13 to 16, characterized in that the plant ( 40 ) an edging device ( 45 ) for edging at least one cut edge, preferably two or four cut edges, of the parts ( 30 ), wherein the edging device ( 45 ) in the plant running direction (A) the stacking place ( 44 ) is subordinate. Plant according to claim 17, characterized in that the edging device ( 45 ) at least one turning device ( 46 ; 47 ) for rotating the parts ( 30 ), in particular for rotation of the parts ( 30 ) by 90 °. Installation according to claim 17 or 18, characterized in that the control station ( 10 ) in plant running direction (A) of the edging device ( 45 ), wherein between the edging device ( 45 ) and the control station ( 10 ) preferably a second stacking and / or storage space ( 48 ) is provided. Installation according to one of claims 13 to 19, characterized in that the plant a buffer zone ( 49 ), in particular a buffer zone ( 49 ) with a downstream high-bay warehouse, with one or more storage bins ( 21 ) for the storage of the parts ( 30 ), the buffer zone ( 49 ) of the control station ( 10 ) is arranged downstream in the system running direction (A). Method for operating a control station ( 10 ), in particular a control station ( 10 ) according to one of claims 1 to 12, comprising the steps: - conveying the parts ( 30 ) by means of a conveying device ( 11 ); - removal of at least some of the conveyed parts ( 30 ) for quality control and further promotion of parts not discharged without quality control; - checking the discharged parts at one or more control stations ( 12 ) and return of the controlled parts ( 30 ), preferably only those parts which have been checked and found to be in order ( 30 ), the conveyor ( 11 ); - passing on and / or sorting the parts ( 30 ) at the end of the conveyor ( 11 ) by means of a transfer and / or sorting device ( 13 ). A method according to claim 21, characterized in that before conveying the parts ( 30 ) by means of the conveying device ( 11 ) the parts ( 30 ) of the conveyor device ( 11 ) by means of a feeding device ( 17 ), the parts ( 30 ) in the feeder ( 17 ) by means of a rotating device ( 18 ), in particular rotated by 90 °, if the orientation of the parts ( 30 ) not yet for the conveyor ( 11 ) corresponds to intended orientation. Method according to claim 21 or 22, characterized in that the order of the parts ( 30 ) in the control station ( 10 ) or the order of feeding the parts ( 30 ) to the conveyor device ( 11 ), preferably by means of a control device ( 14 ) with memory ( 15 ), controlled and / or calculated and / or stored. Method according to one of claims 21 to 23, characterized in that the transfer and / or sorting device ( 13 ) a robot system ( 19 ) is or comprises, wherein the robot system ( 19 ) is or includes, for example, an industrial robotic robot or a portal gripper, and wherein the robotic system ( 19 ) at least one gripper ( 20 ), in particular a rotatable and / or pivotable and / or extendable gripper ( 20 ), with which on the conveyor ( 11 ) incoming parts ( 30 ) and to a predetermined or predefinable storage location ( 21 ) are transferred. Method according to one of claims 21 to 24, characterized in that the order of the parts ( 30 ) in the control station ( 10 ), preferably by means of the control device (s) ( 14 ; 41 ) with memory ( 15 ; 42 ), controlled and / or calculated and / or stored, and that this sequence of parts ( 30 ) during transfer to the transfer and / or sorting device ( 13 ) the basis for defining a given storage location ( 21 ) in a buffer zone ( 49 ), whereby preferably also the storage place ( 21 ) Of the parts ( 30 ) in the buffer zone ( 49 ) and / or controlled and / or calculated and / or stored in a downstream high-bay warehouse. Method for operating a plant ( 40 ) for editing parts, in particular a system according to one of claims 13 to 20, comprising the steps: - cutting the parts ( 30 ) in predetermined or predefinable blanks, preferably by means of a blanking device ( 43 ); - Stacking the cut parts ( 30 ), preferably at a stacking place ( 44 ); - checking at least some of the parts ( 30 ) in the control station ( 10 ), in particular with a method according to one of claims 21 to 26. A method according to claim 26, characterized in that after the cutting of the parts ( 30 ) the order of parts ( 30 ) in the stack, preferably by means of a control device ( 41 ) with memory ( 42 ), controlled and / or calculated and / or stored. Method according to claim 26 or 27, characterized in that the parts ( 30 ) are stacked in such a way that the comparatively shorter parts ( 30 ) in a longitudinal direction of the resulting stack viewed in the middle of the stack and the comparatively longer parts ( 30 ) are arranged in the end regions of the stack. Method according to one of claims 26 to 28, characterized in that the parts ( 30 ) after cutting and the subsequent stacking of an edging device ( 45 ), the parts ( 30 ) by means of the edging device ( 45 ) are edged on at least one, preferably at two or four, cut edges. A method according to claim 29, characterized in that before and / or after the edging of the parts ( 30 ) or the edging of individual edges or part of the edges of the parts ( 30 ) in the edging device ( 45 ) the parts ( 30 ), preferably by means of a rotating device ( 46 ; 47 ), in particular by 90 °, to rotate the parts ( 30 ) in an intended orientation. A method according to claim 29 or 30, characterized in that after the edging of the parts ( 30 ) in the edging device ( 45 ) and before checking the parts ( 30 ) in the control station ( 10 ) the parts ( 30 ) are stacked again, the order of the parts ( 30 ) in the stack, preferably by means of the control device ( 41 ) with memory ( 42 ), controlled and / or calculated and / or stored and / or a reversal of the order of the parts ( 30 ) in the stack after cutting represents.

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