EP3636825B1 - Method and device for supplying laundry items to a laundry treatment device, in particular a mangle - Google Patents
Method and device for supplying laundry items to a laundry treatment device, in particular a mangle Download PDFInfo
- Publication number
- EP3636825B1 EP3636825B1 EP19213404.7A EP19213404A EP3636825B1 EP 3636825 B1 EP3636825 B1 EP 3636825B1 EP 19213404 A EP19213404 A EP 19213404A EP 3636825 B1 EP3636825 B1 EP 3636825B1
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- Prior art keywords
- corner
- laundry
- laundry item
- item
- loading station
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- 238000000034 method Methods 0.000 title claims description 10
- 238000001514 detection method Methods 0.000 claims description 31
- 238000009434 installation Methods 0.000 claims 4
- 230000002093 peripheral effect Effects 0.000 claims 4
- 230000001960 triggered effect Effects 0.000 claims 1
- 230000032258 transport Effects 0.000 description 7
- 238000000151 deposition Methods 0.000 description 3
- 238000010409 ironing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F67/00—Details of ironing machines provided for in groups D06F61/00, D06F63/00, or D06F65/00
- D06F67/04—Arrangements for feeding or spreading the linen
Definitions
- the invention relates to a method for feeding laundry items to a laundry treatment facility, in particular a mangle, according to the preamble of claim 1. Furthermore, the invention relates to a device for feeding laundry items to a laundry treatment facility, in particular a mangle, according to the preamble of claim 4.
- transverse edges of the items of laundry which are also referred to below as the front edge or rear edge, run transversely to the feed direction.
- edges of the laundry items referred to below as side edges or also longitudinal edges, run in the feed direction.
- transverse edges on the one hand and side edges or longitudinal edges on the other hand should not have any influence on the orientation of the laundry items in the feed direction for the following description. Consequently, the transverse edges can be long or short edges of the laundry items. The same applies to side margins or longitudinal margins.
- the invention is therefore based on the object of creating a method and a device for feeding items of laundry to a laundry treatment device, in particular a mangle, which lead to an improved quality of the treatment, preferably without a reduction in the treatment performance.
- a method for solving the problem mentioned at the beginning has the measures of claim 1. According to this method, it is provided that the transport speed of the item of laundry through the respective loading station is reduced before transfer or spreading clamps grip the opposite corners of the item delimiting a transverse edge of the item of laundry. This enables reliable and, above all, exact gripping of the adjacent corners of the item of laundry. In particular, this ensures that when the corner areas of the item of laundry are grasped, no or only very short tails arise.
- a further development of the method provides for the point in time to be determined, in particular to be detected, at which the outermost corners, in particular the geometric corner points, of the corner areas of the item of laundry are released from the loading station.
- This point in time is preferably detected individually and independently of one another for each corner or outermost point of each corner region of the item of laundry.
- the transport speed through the loading station is reduced before the corners of the item of laundry are released from the loading station, in particular before the first corner of the transverse edge of the item of laundry is released from the loading station.
- the transport speed of the item of laundry through the loading station is reduced in good time before the respective corner of the item of laundry is detected by the loading station, so that the time at which the respective corner of the item of laundry is released from the loading station can be reliably and, above all, accurately detected.
- the corner finders of each loading station have at least one detection means.
- the detection means is designed to detect the rear transverse edge of the item of laundry running past the front transverse edge of the detection means.
- the transport speed of the item of laundry is then reduced by the detection means by means of a corresponding control or circuit as soon as the detection means has detected the passage of the rear, subsequent transverse edge of the item of laundry.
- the corner finders can then reliably and precisely detect the respective corner area of the item of laundry.
- Each loading station preferably has two corner finders for a respective side edge or longitudinal edge of the item of laundry running in the feed direction and transported further.
- Each corner finder has a pair of rollers with at least one individually drivable roller.
- the respective side or longitudinal edge with an adjoining narrow side or longitudinal region of the item of laundry is transported through the pair of rollers.
- the corner finder can reliably grasp the corner of the subsequent lower transverse edge of the item of laundry assigned to it.
- the pair of rollers of each corner finder is assigned its own detection means, preferably a light barrier-like detection means. This makes it possible to determine when the respective side or longitudinal edge of the item of laundry has passed through the pair of rollers and when a lower corner of the item of laundry is located between the pair of rollers.
- the detection means preferably makes it possible to determine the rear end of the side edge or the longitudinal edge of the item of laundry, which corresponds to a lower corner region of the item of laundry.
- a corner, preferably a geometric corner point, of the item of laundry can be detected very reliably and precisely and fixed by the corner finder without a noticeable tip protruding from the roller gap of the roller pair of each corner finder.
- the figures show a device designed as an input machine.
- the input machine is shown in full.
- the input machine shown is used to feed items of laundry (not shown), in particular flat items such as bed sheets, duvet covers, pillow cases, towels, tablecloths and the like in the feed direction 10 to a mangle not shown in the figures.
- the device shown can also serve to feed items of laundry to other laundry treatment devices, for example folding machines.
- the device or input machine shown has three identically designed loading stations 11.
- the three loading stations 11 are arranged at the same distance from one another in a row running transversely to the feed direction 10 on the front of the input machine.
- the middle loading station 11 is located in the center of the feeding machine shown.
- the two other loading stations 11 are arranged eccentrically on opposite sides of the central loading station 11.
- the invention is also suitable for input machines with a larger or smaller Number of loading stations 11, including for input machines with only a single loading station 11.
- the loading stations 11 are followed by a spreader device 12.
- the spreader device 12 has a horizontal rail 13 running transversely to the feed direction 10, on which carriages 15 carrying a spreader clamp 14 can be moved transversely to the feed direction 10.
- four expansion brackets 14, preferably of the same design, are provided, each with its own carriage 15.
- the spreading device 12 has only two spreading clamps 14 with trolleys 15.
- two expanding clamps 14 with a mirror-image arrangement to one another form a pair of expanding clamps for adjacent corners of a transverse edge of the item of laundry leading in the feed direction 10.
- the spreading clamps 14 of each pair can be moved together and apart transversely to the feed direction 10.
- the two expanding clamps 14 of a pair take over adjacent corners of the front transverse edge of an item of laundry.
- the front transverse edge of the item of laundry is spread or stretched to spread the item of laundry under the spreader 12 by moving the spreader clamps 14 of the respective pair of spreader clamps apart .
- the spreading device 12 is followed by a feed conveyor 16.
- the piece of laundry spread out and centered by the spreading device 12 is transferred with the stretched leading transverse edge from the spreading clamps 14 of the pair of expanding clamps to a front end 16 of the feed conveyor 17. This is done by placing a front, stretched transverse edge region of the item of laundry centrally on the section of the upper run of the feed conveyor 17 located in the front end 16 of the feed conveyor 17.
- the center of the item of laundry is placed on the center of the feed conveyor 17.
- the center of the feed conveyor 17 lies in a vertical longitudinal center plane of the feeding machine running in the feed direction 10.
- Each loading station 11 has a loading conveyor 18, which transports the item of laundry in the feed direction 10, and two subsequent corner finders 19 for respectively adjacent corners or corner areas of a second, originally rear, transverse edge of the item of laundry.
- transfer clamps 20 are provided between the two corner finders 19 of each loading station 11 and the spreading device 12.
- the two transfer clamps 20 assigned to each loading station 11 are combined to form a pair of transfer clamps 21.
- the transfer clamps 20 thereby form a double clamp for one of the opposite corners of the transverse edge of the item of laundry.
- the pair of transfer clamps 21 of each loading station 11 can be moved with a carriage on a rail 22, 23, 24.
- the rail 22 of the middle loading station 11 runs in a straight line in the feed direction 10 along the center of the input machine and the feed conveyor 17.
- the rail 22 runs upwards in the feed direction 10.
- longer rails 23, 24 extend obliquely upwards and in the direction of the spreading device 12.
- Both rails 23, 24 are of the same length, but directed differently, so that their rear ends 25, seen in the feed direction 10, are directed towards the center of the input machine, but end in front of the center.
- Each of the identically designed loading conveyors 18 of the loading station 11 has two narrow, equally wide belt conveyors 27, 28, each with at least one circulating conveyor belt.
- the belt conveyors 27, 28 are arranged one above the other to form a sandwich conveyor.
- the upper belt conveyor 27 is shorter than the lower belt conveyor 28, the upper belt conveyor 27 being located behind the beginning of the lower belt conveyor 18 as seen in the feed direction 10 to form an exposed front area of the upper run of the lower belt conveyor 28, which thus provides a placement area 29 for a respective Piece of laundry forms.
- an ideally central, narrow transverse edge section between adjacent corners of the front transverse edge of the item of laundry is placed on the placement area 29 of the lower belt conveyor 28.
- the shorter upper belt conveyor 27 is driven, for example on a deflection drum at the rear end of the belt conveyor 27 as seen in the feed direction 10.
- the conveyor belt of the longer lower belt conveyor 28 is indirectly driven by being carried along by the conveyor belt of the driven shorter belt conveyor 27 or one between the upper run of the lower belt conveyor and the lower run of the upper belt conveyor 27 is part of an item of laundry.
- the corner finders 19 of the respective loading station 11 shown are assigned to a rear end 30 of the longer, lower belt conveyor 28, seen in the feed direction 10, on both sides next to the rear end 30 of the belt conveyor 28 and partly behind it ( Fig. 14 ).
- Each of the corner finders 19, which are preferably of the same design but are arranged on opposite sides of the end 30 of the belt conveyor 28 in a mirror-inverted manner, has two rollers 31, 32 which together form a pair of rollers with parallel longitudinal center axes or axes of rotation.
- a roller gap 33 is formed between the rollers 31, 32 of the roller pair.
- rollers 31 and 32 of each corner finder 19 are arranged on opposite sides of the end 30 of the belt conveyor 28 in such a way that their roller gaps 33 lie in a common, horizontal line that runs transversely to the feed direction 10 and parallel to the rail 13 of the spreading device 12.
- a roller 31 of each corner finder 19 can be driven to rotate.
- These independently separately driven rollers 31 on both sides of the deflection drum at the rear end 30 of the belt conveyor 28 lie on a common line transverse to the feed direction 10. On this line are the axes of rotation of the driven rollers 31 and the deflection drum of the belt conveyor 28
- Driven rollers 31 of the roller pair of each corner finder 19 corresponding parallel rollers 32 are freely rotatable about axes of rotation which are located on an imaginary line parallel to the line of the axes of rotation of the driven rollers 32.
- the rollers 31 of the corner finder 19 are initially driven at the same speed. This speed corresponds to the speed of the deflection drum of the conveyor belt of the belt conveyor 28, so that the parts of the laundry item located in the area of the belt conveyor 28 and the rollers 31, 32 run synchronously.
- the driven rollers 31, like the deflection drum, are arranged in a stationary manner at the end 30 of the belt conveyor 28.
- the rollers 32 are movable on a pendulum arm ( Fig. 12 ) stored.
- the non-driven rollers 32 are pressed either by their own weight or by a spring bias of the pendulum arms 34 in the direction of the driven rollers 32 against the latter, so that a part of the respective item of laundry located between each pair of rollers from a roller 31, 32 in the roller gap 33 each
- the corner finder 19 is clamped and when the rollers 31, 32 are stationary, the part located in the respective roller gap 33, for example a corner area or a corner of the item of laundry, is held in the manner of a clamp.
- each loading conveyor 18 is surrounded by a guide channel which, in the exemplary embodiment shown, is designed as a U-shaped channel 35, which is largely open at the top.
- the item of laundry in particular the opposite side or longitudinal edges thereof, is pulled through the channel 35 during further transport in the feed direction 10 between the belt conveyors 27 and 28 and thereby guided to the corner finders 19 arranged behind the channel 35 on both sides next to the loading conveyor 18.
- opposite side or longitudinal edges of the item of laundry, running in the feed direction 10 reach the roller gap 33 between the pair of rollers 31 and 32 of each corner finder 19.
- detection means 36 are arranged above its ends pointing towards each corner finder 19.
- the detection means 36 are line sensors which acoustically or optically generate an approximately vertical sensor line 37.
- two parallel detection means 36 are arranged at a small distance next to each side of the lower belt conveyor 28. This is done for the purpose of redundancy. However, it is also conceivable to provide only a single detection means 36 on each side of the belt conveyor.
- the sensor lines 37 of the detection means 36 run in front of the front rollers 31 of the corner finder 19 in the direction of the bottom of the channel 35.
- the detection means 36 or sensor lines 37 detect the presence or absence of a side edge region of the item of laundry on each side of the belt conveyor 28 and in front of the respective corner finder 19.
- the sensor lines 37 of the detection means 36 determine the rear ends of the side edge regions of the respective item of laundry in front of the corner finder 19 on each side of the belt conveyor 28.
- At least one detection means 36 actuates the drive of the roller 31 of the respective corner finder 19 in such a way that the rotational speed or The speed of the roller 31 on the relevant side of the belt conveyor 28 is reduced. Then the respective end section of the side edge area of the item of laundry in the area of the corner finder 19 on one or the other side of the belt conveyor 28 is transported more slowly through the roller gap 33 of the relevant corner finder 19. As a result, the end of the respective side edge region of the item of laundry can be determined more reliably and more precisely in the respective corner finder 19.
- the end of the respective side edge area of the item of laundry in the area of the relevant corner finder 19 is then determined by other detection means 38 in that at least one such detection means 38 is provided on the outside next to each corner finder 19 on both sides of the belt conveyor 28.
- the detection means 38 are also designed to generate an acoustic or optical sensor line 39.
- the sensor line 39 of each corner finder 19 runs parallel with a small distance above the roller gap 33 between the rollers 31 and 32 of the respective corner finder 19 ( Figures 14 and 15 ).
- the sensor lines 39 of both corner finders 19 lie on a common imaginary horizontal line parallel to the axes of rotation of the rollers 31 and 32 and thus transversely to the feed direction 10 somewhat above and in front of the roller gap 33 of each corner finder.
- reflection means are provided, so that the detection means 38 and their sensor lines 39 independently of one another prevent the rearmost end, in particular a geometric corner point of the Detect lugs at the ends of the side edges of the item of laundry.
- any subsequent passage of the end of the left and right side edge of the item of laundry past the sensor lines 39 is detected independently of one another.
- the drive of the driven roller 31 of the respective corner finder 19 is stopped
- the transverse edge is fixed in the manner of a clamp in such a way that the outermost point of the relevant corner of the item of laundry is just still in the roller gap 33, but at least shortly before it.
- the pair of transfer clamps 21 with the item of laundry loaded at the middle loading station 11 is moved along the rail 22 running in a straight line in the feed direction 10 to the upper end 25 of the same, in particular moved up at an angle.
- This end 25 is located in the vertical longitudinal center plane of the device or input machine.
- the item of laundry is transferred from the two transfer clamps 20 of the transfer clamp pair 21 to two spreading brackets 14 of a spreading clamp pair with open sides of the clamp jaws facing each other, which are moved to the center of the input machine ( Fig. 10 ). These two spreading clamps 14 are then moved apart in opposite directions in order to spread the now upper transverse edge of the item of laundry.
- the item of laundry is already centered in front of the feed conveyor 17 after the front or upper transverse edge has been spread.
- the item of laundry can then be transferred from the spreading clamps 14 directly to the front end of the feed conveyor 17 by depositing a transversely directed front edge area adjoining the front transverse edge of the item of laundry on the front area of the feed conveyor 17 or a depositing bar assigned to the feed conveyor 17.
- the pair of transfer clamps 21 In the starting position ( Fig. 6 and 7th ) the pair of transfer clamps 21 is located at the outer, lower end of the rail 23 behind the two corner finders 19 ( Fig. 7 ). In this position, the pair of transfer clips 21 takes over an item of laundry from the corner finders 19, so that each transfer clip 20 holds a corner of the front transverse edge of the item of laundry.
- the transfer clamps 20 of the transfer clamp pair 21 are moved together on the inclined rail 23 to the higher rear end 26 of the same.
- This end 26 of the rail 23 is located above and in the feed direction 10 towards the spreading device 12, the lower end thereof, which is offset.
- the rail 23 is oriented obliquely in three-dimensional space, specifically just like the rail 24 of the left loading station 11, which, however, is oriented mirror-inverted to the rail 23.
- the upper, rear end 26 of the rail ends at a distance in front of the end 25 of the middle rail 22. Therefore, the pair of transfer clamps 21 moved to the end 26 of the rail 23 is located at a distance next to the vertical longitudinal center plane of the input machine. At this eccentric point, the item of laundry is transferred from the transfer clamps 20 of the transfer clamp pair 21 to the expanding clamps 14 of a free expanding clamp pair located closest to the transfer point, which have already moved behind, are waiting or are later moved behind the transfer clamp pair 21 ( Fig. 8 and 9 ).
- the spreader clamps 14 of the pair of spreader clamps After the spreader clamps 14 of the pair of spreader clamps have taken over the item of laundry and clamped it at opposite corner areas of a front transverse edge, the spreader clamps 14 are moved apart to extend the front transverse edge of the item of laundry and at the same time centered in front of the feed conveyor 17. The item of laundry is then transferred from the spreading clamps 14 in exactly the same way as has been described above in connection with the transfer of the item of laundry to the spreading brackets 14 from the rail 22 of the central loading station 11.
- the pairs of transfer brackets 21 on each of the rails 22, 23 and 24 and the spreading brackets 14 of the spreading device 12 lie in two different parallel planes ( Fig. 9 ). However, these levels are as close together as possible so that the spreading clips 14 can pass the transfer clips 20 and their carriages, but the transfer of the corners of the respective item of laundry from the transfer clip pair 21 to the spreading clips 14 is reliably possible. Because the transfer clamps 20 can run along the expansion clamps 14, it is possible for several or all of the transfer clamp pairs 21 to be located at the upper end 25, 26 of the respective rail 22, 23 or 24 without them colliding ( Fig. 10 ).
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
- Chain Conveyers (AREA)
Description
Die Erfindung betrifft ein Verfahren zum Zuführen von Wäschestücken zu einer Wäschebehandlungseinrichtung, insbesondere einer Mangel, gemäß dem Oberbegriff des Anspruchs 1. Des Weiteren betrifft die Erfindung eine Vorrichtung zum Zuführen von Wäschestücken zu einer Wäschebehandlungseinrichtung, insbesondere einer Mangel, gemäß dem Oberbegriff des Anspruchs 4.The invention relates to a method for feeding laundry items to a laundry treatment facility, in particular a mangle, according to the preamble of claim 1. Furthermore, the invention relates to a device for feeding laundry items to a laundry treatment facility, in particular a mangle, according to the preamble of claim 4.
Wäschestücke werden Wäschebehandlungseinrichtungen wie zum Beispiel Mangeln mit üblicherweise als Eingabemaschinen bezeichneten Vorrichtungen zugeführt. Dabei verlaufen Querränder der Wäschestücke, die im Folgenden auch als vorderer Rand oder hinterer Rand bezeichnet werden, quer zur Zuführrichtung. Im Folgenden als Seitenränder oder auch Längsränder bezeichnete Ränder der Wäschestücke verlaufen hingegen in Zuführrichtung. Die Bezeichnungen Querränder einerseits und Seitenränder bzw. Längsränder andererseits sollen für die folgende Beschreibung keinen Einfluss auf die Orientierung der Wäschestücke in Zuführrichtung haben. Es können folglich Querränder lange oder auch kurze Ränder der Wäschestücke sein. Gleiches gilt für Seitenränder bzw. Längsränder.Items of laundry are fed to laundry treatment devices such as ironers, for example, with devices usually referred to as input machines. In this case, the transverse edges of the items of laundry, which are also referred to below as the front edge or rear edge, run transversely to the feed direction. In contrast, edges of the laundry items, referred to below as side edges or also longitudinal edges, run in the feed direction. The terms transverse edges on the one hand and side edges or longitudinal edges on the other hand should not have any influence on the orientation of the laundry items in the feed direction for the following description. Consequently, the transverse edges can be long or short edges of the laundry items. The same applies to side margins or longitudinal margins.
Es ist aus der
Der Erfindung liegt daher die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung zum Zuführen von Wäschestücken zu einer Wäschebehandlungseinrichtung, insbesondere einer Mangel, zu schaffen, die zu einer verbesserten Qualität der Behandlung führen, und zwar vorzugsweise ohne eine Verringerung der Behandlungsleistung.The invention is therefore based on the object of creating a method and a device for feeding items of laundry to a laundry treatment device, in particular a mangle, which lead to an improved quality of the treatment, preferably without a reduction in the treatment performance.
Ein Verfahren zur Lösung der eingangs genannten Aufgabe weist die Maßnahmen des Anspruchs 1 auf. Gemäß diesem Verfahren ist es vorgesehen, die Transportgeschwindigkeit des Wäschestücks durch die jeweilige Beladestation vor dem Ergreifen der einen Querrand des Wäschestücks begrenzenden gegenüberliegenden Ecken desselben von Transfer- oder Spreizklammern zu reduzieren. Dadurch wird ein zuverlässiges und vor allem exaktes Greifen der benachbarten Ecken des Wäschestücks ermöglicht. Insbesondere wird so sichergestellt, dass beim Ergreifen der Eckbereiche des Wäschestücks keine oder nur sehr kurze Zipfel entstehen.A method for solving the problem mentioned at the beginning has the measures of claim 1. According to this method, it is provided that the transport speed of the item of laundry through the respective loading station is reduced before transfer or spreading clamps grip the opposite corners of the item delimiting a transverse edge of the item of laundry. This enables reliable and, above all, exact gripping of the adjacent corners of the item of laundry. In particular, this ensures that when the corner areas of the item of laundry are grasped, no or only very short tails arise.
Eine Weiterbildungsmöglichkeit des Verfahrens sieht es vor, den Zeitpunkt zu ermitteln, insbesondere zu detektieren, zu dem die äußersten Ecken, insbesondere die geometrischen Eckpunkte, der Eckbereiche des Wäschestücks von der Beladestation freikommen. Vorzugsweise wird dieser Zeitpunkt individuell und unabhängig voneinander für jede Ecke bzw. äußerste Stelle jedes Eckbereichs des Wäschestücks detektiert. Dadurch lassen sich diese Stellen exakt ermitteln, auch wenn die Stellen unterschiedlicher Eckbereiche des Wäschestücks nicht zeitgleich, sondern nacheinander von der Beladestation freikommen. Die individuelle Ermittlung des Zeitpunkts des Freikommens jeder äußersten Ecke oder äußersten Stelle gegenüberliegender Eckbereiche einer Querkante des Wäschestücks von der Beladestation lässt ein zuverlässiges exaktes Greifen der beiden gegenüberliegenden Ecken der Querkante des Wäschestücks an äußersten Stelle ohne eine nennenswerte Zipfelbildung zu.A further development of the method provides for the point in time to be determined, in particular to be detected, at which the outermost corners, in particular the geometric corner points, of the corner areas of the item of laundry are released from the loading station. This point in time is preferably detected individually and independently of one another for each corner or outermost point of each corner region of the item of laundry. As a result, these points can be determined exactly, even if the points in different corner areas of the item of laundry are not released from the loading station at the same time, but one after the other. The individual determination of the point in time when each outermost corner or outermost point of opposite corner areas of a transverse edge of the item of laundry is released by the loading station allows the two opposite corners of the transverse edge of the item of laundry to be reliably and precisely gripped at the outermost point without any noticeable lug formation.
Bevorzugt ist es vorgesehen, vor dem Freikommen der Ecken des Wäschestücks von der Beladestation, insbesondere vor dem Freikommen der ersten Ecke der Querkante des Wäschestücks von der Beladestation, die Transportgeschwindigkeit durch die Beladestation zu reduzieren. Dadurch wird rechtzeitig vor der Feststellung des Freikommens der jeweiligen Ecke des Wäschestücks von der Beladestation die Transportgeschwindigkeit des Wäschestücks durch die Beladestation reduziert, so dass der Zeitpunkt des Freikommens der jeweiligen Ecke des Wäschestücks von der Beladestation zuverlässig und vor allem exakt detektiert werden kann.It is preferably provided that the transport speed through the loading station is reduced before the corners of the item of laundry are released from the loading station, in particular before the first corner of the transverse edge of the item of laundry is released from the loading station. As a result, the transport speed of the item of laundry through the loading station is reduced in good time before the respective corner of the item of laundry is detected by the loading station, so that the time at which the respective corner of the item of laundry is released from the loading station can be reliably and, above all, accurately detected.
Eine Vorrichtung zur Lösung der eingangs genannten Aufgabe weist die Merkmale des Anspruchs 4 auf. Demnach verfügen die Eckenfinder jeder Beladestation über mindestens ein Detektionsmittel. Das Detektionsmittel ist so ausgebildet, um den nach dem vorderen Querrand am Detektionsmittel vorbeilaufenden hinteren Querrand des Wäschestücks zu detektieren. Vom Detektionsmittel wird dann mittels einer entsprechenden Steuerung oder Schaltung die Transportgeschwindigkeit des Wäschestücks verringert, sobald das Detektionsmittel das Vorbeilaufen des hinteren, nachfolgenden Querrands des Wäschestücks detektiert hat. Mit der geringen Transportgeschwindigkeit können dann die Eckenfinder den jeweiligen Eckbereich des Wäschestücks zuverlässig und exakt erfassen.A device for solving the object mentioned at the beginning has the features of claim 4. Accordingly, the corner finders of each loading station have at least one detection means. The detection means is designed to detect the rear transverse edge of the item of laundry running past the front transverse edge of the detection means. The transport speed of the item of laundry is then reduced by the detection means by means of a corresponding control or circuit as soon as the detection means has detected the passage of the rear, subsequent transverse edge of the item of laundry. With the low transport speed, the corner finders can then reliably and precisely detect the respective corner area of the item of laundry.
Vorzugsweise weist jede Beladestation zwei Eckenfinder für jeweils einen in Zuführrichtung verlaufenden und weitertransportierten Seitenrand bzw. Längsrand des Wäschestücks auf.Each loading station preferably has two corner finders for a respective side edge or longitudinal edge of the item of laundry running in the feed direction and transported further.
Jeder Eckenfinder verfügt über ein Walzenpaar mit mindestens einer individuell drehend antreibbaren Walze. Durch das Walzenpaar wird der jeweilige Seiten- bzw. Längsrand mit einem daran angrenzenden schmalen Seiten- bzw. Längsbereich des Wäschestücks hindurchtransportiert. Dadurch kann der Eckenfinder die ihm zugeordneten Ecke des nachfolgenden unteren Querrands des Wäschestücks zuverlässig ergreifen.Each corner finder has a pair of rollers with at least one individually drivable roller. The respective side or longitudinal edge with an adjoining narrow side or longitudinal region of the item of laundry is transported through the pair of rollers. As a result, the corner finder can reliably grasp the corner of the subsequent lower transverse edge of the item of laundry assigned to it.
Eine vorteilhafte Weiterbildungsmöglichkeit der Vorrichtung sieht es vor, dass dem Walzenpaar jedes Eckenfinders ein eigenes Detektionsmittel, vorzugsweise ein lichtschrankenartiges Detektionsmittel, zugeordnet ist. Dadurch ist ermittelbar, wann der jeweilige Seiten- bzw. Längsrand des Wäschestücks durch das Walzenpaar hindurchgelaufen ist und sich eine untere Ecke des Wäschestücks zwischen dem Walzenpaar befindet. Vorzugsweise ermöglicht es das Detektionsmittel, das hintere Ende des Seitenrands bzw. des Längsrands des Wäschestücks festzustellen, was einem unteren Eckbereich des Wäschestücks entspricht. Es kann so sehr zuverlässig und exakt eine Ecke, vorzugsweise ein geometrischer Eckpunkt, des Wäschestücks detektiert und vom Eckenfinder fixiert werden, ohne dass ein nennenswerter Zipfel gegenüber dem Walzenspalt des Walzenpaars jedes Eckenfinders vorsteht.An advantageous further development of the device provides that the pair of rollers of each corner finder is assigned its own detection means, preferably a light barrier-like detection means. This makes it possible to determine when the respective side or longitudinal edge of the item of laundry has passed through the pair of rollers and when a lower corner of the item of laundry is located between the pair of rollers. The detection means preferably makes it possible to determine the rear end of the side edge or the longitudinal edge of the item of laundry, which corresponds to a lower corner region of the item of laundry. A corner, preferably a geometric corner point, of the item of laundry can be detected very reliably and precisely and fixed by the corner finder without a noticeable tip protruding from the roller gap of the roller pair of each corner finder.
Bevorzugte Ausführungsbeispiele der Erfindung werden nachfolgend anhand der Zeichnung näher erläutert. In dieser zeigen:
- Fig. 1
- Eine perspektivische Gesamtansicht einer als Eingabemaschine ausgebildeten Vorrichtung,
- Fig. 2
- eine Draufsicht auf die Eingabemaschine der
Fig. 2 , - Fig. 3
- Vorderansicht der Eingabemaschine der
Fig. 1 und2 , - Fig. 4
- eine Seitenansicht der Eingabemaschine der
Fig. 1 bis 3 , - Fig. 5
- eine Vorderansicht einer teilweise dargestellten Eingabemaschine in einer Grundstellung,
- Fig. 6
- die Eingabemaschine der
Fig. 5 in einer Draufsicht, - Fig. 7
- die Eingabemaschine der
Fig. 5 und6 in einer teilweise dargestellten Seitenansicht, - Fig. 8
- eine Draufsicht auf eine teilweise dargestellte Eingabemaschine in einer Übergabestellung,
- Fig. 9
- eine teilweise dargestellte Seitenansicht der Eingabemaschine der
Fig. 8 , - Fig. 10
- eine Draufsicht auf eine teilweise dargestellte Eingabemaschine in einer anderen Betriebsstellung,
- Fig. 11
- eine perspektivische Darstellung einer Beladestation der Eingabemaschine der
Fig. 1 bis 10 , - Fig. 12
- eine teilweise geschnittene Seitenansicht der Beladestation der
Fig. 11 , - Fig. 13
- eine Draufsicht auf die Beladestation der
Fig. 11 und12 , - Fig. 14
- eine perspektivische Ansicht eines Eckenfinders einer äußeren Beladestation der
Fig. 1 bis 13 , und - Fig. 15
- einen Schnitt XV-XV durch den Eckenfinder der
Fig. 13 und 14 .
- Fig. 1
- A perspective overall view of a device designed as an input machine,
- Fig. 2
- a top view of the input machine of
Fig. 2 , - Fig. 3
- Front view of the feeder of the
Fig. 1 and2 , - Fig. 4
- a side view of the input machine of FIG
Figs. 1 to 3 , - Fig. 5
- a front view of a partially shown input machine in a basic position,
- Fig. 6
- the input machine of the
Fig. 5 in a plan view, - Fig. 7
- the input machine of the
Fig. 5 and6th in a partially shown side view, - Fig. 8
- a top view of a partially shown input machine in a transfer position,
- Fig. 9
- a partially shown side view of the input machine of FIG
Fig. 8 , - Fig. 10
- a top view of a partially shown feeding machine in a different operating position,
- Fig. 11
- a perspective view of a loading station of the input machine
Figures 1 to 10 , - Fig. 12
- a partially sectioned side view of the loading station of
Fig. 11 , - Fig. 13
- a top view of the loading station of
Fig. 11 and12th , - Fig. 14
- a perspective view of a corner finder of an outer loading station of FIG
Figs. 1 to 13 , and - Fig. 15
- a section XV-XV through the corner finder of the
Fig. 13 and14th .
Die Figuren zeigen eine als Eingabemaschine ausgebildete Vorrichtung. In den
Die gezeigte Vorrichtung bzw. Eingabemaschine verfügt über drei gleich ausgebildete Beladestationen 11. Die drei Beladestationen 11 sind mit gleichem Abstand zueinander in einer quer zur Zuführrichtung 10 verlaufenden Reihe an der Vorderseite der Eingabemaschine angeordnet. Die mittlere Beladestation 11 befindet sich bei der gezeigten Eingabemaschine in der Mitte derselben. Die beiden anderen Beladestationen 11 sind auf gegenüberliegenden Seiten der mittigen Beladestation 11 außermittig angeordnet. Die Erfindung eignet sich auch für Eingabemaschinen mit einer größeren oder kleineren Anzahl von Beladestationen 11, und zwar auch für Eingabemaschinen mit nur einer einzigen Beladestation 11.The device or input machine shown has three identically designed
In Zuführrichtung 10 gesehen folgt auf die Beladestationen 11 eine Spreizeinrichtung 12. Die Spreizeinrichtung 12 verfügt über eine quer zur Zuführrichtung 10 verlaufende horizontale Schiene 13, auf der jeweils eine Spreizklammer 14 tragende Laufwagen 15 quer zur Zuführrichtung 10 verfahrbar sind. Bei der gezeigten Vorrichtung sind vier vorzugsweise gleich ausgebildete Spreizklammern 14 mit jeweils einem eigenen Laufwagen 15 vorgesehen. Es ist aber auch denkbar, dass die Spreizeinrichtung 12 nur zwei Spreizklammern 14 mit Laufwagen 15 aufweist. Jeweils zwei Spreizklammern 14 mit spiegelbildlicher Anordnung zueinander bilden ein Spreizklammerpaar für benachbarte Ecken einer in Zuführrichtung 10 vorauseilenden Querkante des Wäschestücks. Die Spreizklammern 14 jedes Paars sind quer zur Zuführrichtung 10 zusammen- und auseinanderfahrbar. Im zusammengefahrenen Zustand übernehmen die beiden Spreizklammern 14 eines Paars benachbarte Ecken des vorderen Querrands eines Wäschestücks. Durch seitliches Verfahren und Auseinanderfahren der Spreizklammern 14 des jeweiligen Spreizklammerpaars wird der vordere Querrand des Wäschestücks gespreizt bzw. gestreckt zum Ausbreiten des Wäschestücks unter der Spreizeinrichtung 12. Außerdem wird das Wäschestück von den Spreizklammern 14 des jeweiligen Spreizklammerpaars gegenüber der Mitte der Vorrichtung zentriert bzw. eingemittet.Viewed in the
In Zuführrichtung 10 gesehen folgt auf die Spreizeinrichtung 12 ein Zuführförderer 16. Das von der Spreizeinrichtung 12 ausgebreitete und eingemittete Wäschestück wird mit gestrecktem vorauseilenden Querrand von den Spreizklammern 14 des Spreizklammerpaars an ein vorderers Ende 16 des Zuführförderers 17 überführt. Das geschieht durch mittiges Ablegen eines vorderen, gestreckten Querrandbereichs des Wäschestücks auf den sich im vorderen Ende 16 des Zuführförderers 17 befindenden Abschnitt des Obertrums des Zuführförderers 17. Die Mitte des Wäschestücks wird dabei auf die Mitte des Zuführförderers 17 abgelegt. Die Mitte des Zuführförderers 17 liegt in einer in Zuführrichtung 10 verlaufenden vertikalen Längsmittelebene der Eingabemaschine.Viewed in the
Jede Beladestation 11 verfügt über einen Beladeförderer 18, der das Wäschestück in Zuführrichtung 10 transportiert, und zwei darauffolgende Eckenfinder 19 für jeweils benachbarte Ecken bzw. Eckbereiche eines zweiten, ursprünglich hinteren Querrands des Wäschestücks.Each
Bei der hier gezeigten Vorrichtung bzw. Eingabemaschine sind zwischen den beiden Eckenfindern 19 jeder Beladestation 11 und der Spreizeinrichtung 12 Transferklammern 20 vorgesehen. Die beiden jeder Beladestation 11 zugeordneten Transferklammern 20 sind zu einem Transferklammerpaar 21 zusammengefasst. Die Transferklammern 20 bilden dadurch eine Doppelklammer für jeweils eine der gegenüberliegenden Ecken des Querrands des Wäschestücks.In the device or input machine shown here, transfer clamps 20 are provided between the two
Das Transferklammerpaar 21 jeder Beladestation 11 ist mit einem Laufwagen an einer Schiene 22, 23, 24 verfahrbar. Die Schiene 22 der mittleren Beladestation 11 verläuft geradlinig in Zuführrichtung 10 längs der Mitte der Eingabemaschine und des Zuführförderers 17. Die Schiene 22 verläuft in Zuführrichtung 10 aufwärtsgerichtet. Von den äußeren Beladestationen 11 gehen längere schräg aufwärts und in Richtung zur Spreizeinrichtung 12 verlaufende Schienen 23, 24 aus. Beide Schienen 23, 24 sind gleich lang, aber unterschiedlich gerichtet, so dass ihre in Zuführrichtung 10 gesehen hinteren Enden 25 zur Mitte der Eingabemaschine gerichtet sind, aber vor der Mitte enden.The pair of transfer clamps 21 of each loading
Jeder der gleich ausgebildeten Beladeförderer 18 der Beladestation 11 verfügt über zwei schmale, gleich breite Gurtförderer 27, 28 mit jeweils mindestens einem umlaufenden Fördergurt. Die Gurtförderer 27, 28 sind übereinander angeordnet zur Bildung eines Sandwichförderers. Der obere Gurtförderer 27 ist kürzer als der untere Gurtförderer 28, wobei der obere Gurtförderer 27 in Zuführrichtung 10 gesehen hinter dem Anfang des unteren Gurtförderers 18 liegt zur Bildung eines freiliegenden vorderen Bereichs des Obertrums des unteren Gurtförderers 28, der so einen Auflegebereich 29 für ein jeweiliges Wäschestück bildet.Each of the identically designed
Auf den Auflegebereich 29 des unteren Gurtförderers 28 wird zum Beladen der Eingabemaschine im Bereich der jeweiligen Beladestation 11 ein zwischen benachbarten Ecken des vorderen Querrands des Wäschestücks liegender, idealerweise mittiger, schmaler Querrandabschnitt aufgelegt. Angetrieben wird vorzugsweise nur der kürzere obere Gurtförderer 27, und zwar beispielsweise an einer Umlenktrommel am in Zuführrichtung 10 gesehen hinteren Ende des Gurtförderers 27. Der Fördergurt des längeren unteren Gurtförderers 28 wird indirekt angetrieben durch Mitnahme vom Fördergurt des angetriebenen kürzeren Gurtförderers 27 bzw. einem zwischen dem Obertrum des unteren Gurtförderers und dem Untertrum des oberen Gurtförderers 27 liegenden Teil eines Wäschestücks.For loading the input machine in the area of the
Die vor allem in den
Eine Walze 31 jedes Eckenfinders 19 ist drehend antreibbar. Diese unabhängig voneinander jeweils separat angetriebenen Walzen 31 auf beiden Seiten der Umlenktrommel am hinteren Ende 30 des Gurtförderers 28 liegen auf einer gemeinsamen Linie quer zur Zuführrichtung 10. Auf dieser Linie liegen die Drehachsen der angetriebenen Walzen 31 und der Umlenktrommel des Gurtförderers 28. Die mit den angetriebenen Walzen 31 des Walzenpaars jedes Eckenfinders 19 korrespondierenden parallelen Walzen 32 sind frei drehbar um Drehachsen, die auf einer gedachten Linie parallel zur Linie der Drehachsen der angetriebenen Walzen 32 sich befinden. Die Walzen 31 der Eckenfinder 19 werden anfänglich mit gleicher Drehzahl angetrieben. Diese Drehzahl entspricht der Drehzahl der Umlenktrommel des Fördergurts des Gurtförderers 28, so dass ein Synchronlauf der sich im Bereich des Gurtförderers 28 und der Walzen 31, 32 befindlichen Teile des Wäschestücks gegeben ist.A
Die angetriebenen Walzen 31 sind genauso wie die Umlenktrommel am Ende 30 des Gurtförderers 28 ortsfest angeordnet. Hingegen sind die Walzen 32 beweglich an einem Pendelarm (
Mit etwas Abstand hinter dem Anfang des oberen Gurtförderers 27 ist jeder Beladeförderer 18 von einem Leitkanal umgeben, der im gezeigten Ausführungsbeispiel als eine oben größtenteils offene U-förmige Rinne 35 ausgebildet ist. Durch die Rinne 35 wird das Wäschestück, insbesondere die gegenüberliegenden Seiten- bzw. Längsränder desselben beim Weitertransport in Zuführrichtung 10 zwischen den Gurtförderern 27 und 28 hindurchgezogen und dadurch geführt zu den hinter der Rinne 35 auf beiden Seiten neben dem Beladeförderer 18 angeordneten Eckenfindern 19 geleitet. Auf diese Weise gelangen gegenüberliegende Seiten- bzw. Längsränder des Wäschestücks in Zuführrichtung 10 verlaufend in den Walzenspalt 33 zwischen dem Paar Walzen 31 und 32 jedes Eckenfinders 19.At some distance behind the beginning of the
In Zuführrichtung 10 gesehen hinter der an beiden Enden offenen Rinne 35 sind über ihren zu jeden Eckenfindern 19 weisenden Enden Detektionsmittel 36 angeordnet. Im gezeigten Ausführungsbeispiel handelt es sich bei den Detektionsmitteln 36 um Liniensensoren, die akustisch oder optisch eine etwa senkrechte Sensorlinie 37 erzeugen. Im gezeigten Ausführungsbeispiel sind neben jeder Seite des unteren Gurtförderers 28 zwei parallele Detektionsmittel 36 mit geringem Abstand angeordnet. Das geschieht zum Zwecke der Redundanz. Es ist aber auch denkbar, auf jeder Seite des Gurtförderers nur ein einziges Detektionsmittel 36 vorzusehen. Die Sensorlinien 37 der Detektionsmittel 36 verlaufen vor den vorderen Walzen 31 der Eckenfinder 19 entlang in Richtung zum Boden der Rinne 35. Die Detektionsmittel 36 bzw. Sensorlinien 37 detektieren das Vorhandensein bzw. Nichtvorhandensein eines Seitenrandbereichs des Wäschestücks auf jeder Seite des Gurtförderers 28 und vor dem jeweiligen Eckenfinder 19. Die Sensorlinien 37 der Detektionsmittel 36 ermitteln die hinteren Enden der Seitenrandbereiche des jeweiligen Wäschestücks vor dem Eckenfinder 19 auf jeder Seite des Gurtförderers 28.Behind the
Sobald die Sensorlinie 37 mindestens eines Detektionsmittels 36 feststellt, dass vor den Walzen 31, 32 des jeweiligen Eckenfinders 19 der jeweilige Seitenrandbereich des Wäschestücks durchgelaufen ist, betätigt mindestens ein Detektionsmittel 36 den Antrieb der Walze 31 des jeweiligen Eckenfinders 19 derart, dass die Umlaufgeschwindigkeit bzw. Drehzahl der Walze 31 auf der betreffenden Seite des Gurtförderers 28 reduziert wird. Dann wird der jeweilige Endabschnitt des Seitenrandbereichs des Wäschestücks im Bereich des Eckenfinders 19 auf der einen oder anderen Seite des Gurtförderers 28 langsamer durch den Walzenspalt 33 des betreffenden Eckenfinders 19 hindurchtransportiert. Dadurch kann zuverlässiger und genauer das Ende des jeweiligen Seitenrandbereichs des Wäschestücks im jeweiligen Eckenfinder 19 ermittelt werden.As soon as the
Das Ende des jeweiligen Seitenrandbereichs des Wäschestücks im Bereich des betreffenden Eckenfinders 19 wird danach durch andere Detektionsmittel 38 festgestellt, indem jeweils mindestens ein solches Detektionsmittel 38 außen neben jedem Eckenfinder 19 auf beiden Seiten des Gurtförderers 28 vorgesehen ist. Auch die Detektionsmittel 38 sind zur Erzeugung einer akustischen oder optischen Sensorlinie 39 ausgebildet.The end of the respective side edge area of the item of laundry in the area of the
Die Sensorlinie 39 jedes Eckenfinders 19 verläuft parallel mit geringem Abstand oberhalb des Walzenspalts 33 zwischen den Walzen 31 und 32 des jeweiligen Eckenfinders 19 (
Sobald die beiden unabhängig arbeitenden Eckenfinder 19 auf gegenüberliegenden Seiten des Gurtförderers 28 jeweils eine Ecke des Wäschestücks dicht am äußersten Eckpunkt erfasst und fixiert haben und die Antriebe der Walzen 31 beider Eckenfinder 19 stillgesetzt sind, werden von den beiden Transferklammern 20 des an die Eckenfinder 19 dicht herangefahrenen Transferklammerpaars 21 beide Ecken des ursprünglichen unteren Querrands und nunmehr vorderen Querrands des Wäschestücks ergriffen und eingeklemmt.As soon as the two independently working
Vom jeweiligen Transferklammerpaar 21 wird das daran mit gegenüberliegenden Eckbereichen einer nunmehr vornliegenden Querkante gehaltene Wäschestück an zwei freie, benachbarte Spreizklammern 14 der Spreizeinrichtung 12 übergeben.From the respective pair of transfer clamps 21, the item of laundry held thereon with opposite corner regions of a transverse edge now lying at the front is transferred to two free, adjacent spreading
Von der mittleren Beladestation 11 wird das Transferklammerpaar 21 mit dem an der mittleren Beladestation 11 beladenen Wäschestück entlang der geradlinig in Zuführrichtung 10 verlaufenden Schiene 22 zum oberen Ende 25 derselben verfahren, insbesondere schräg hoch gefahren. Dieses Ende 25 befindet sich in der vertikalen Längsmittelebene der Vorrichtung bzw. Eingabemaschine. Am Ende 25 der Schiene 22 wird das Wäschestück von den beiden Transferklammern 20 des Transferklammerpaars 21 an zwei zur Mitte der Eingabemaschine gefahrenen Spreizklammern 14 eines Spreizklammerpaars mit zueinander gerichteten offenen Seiten der Klammermäuler übergeben (
Infolge der Übergabe des Wäschestücks an die mittig positionierten Spreizklammern 14 des Spreizklammerpaars ist das Wäschestück nach dem Spreizen der vorderen bzw. oberen Querkante bereits mittig vor dem Zuführförderer 17 zentriert. Das Wäschestück kann dann von den Spreizklammern 14 direkt an das vordere Ende des Zuführförderers 17 übergeben werden durch Ablage eines sich an die vordere Querkante des Wäschestücks anschließenden quergerichteten vorderen Randbereichs auf den vorderen Bereich des Zuführförderers 17 oder eine dem Zuführförderer 17 zugeordnete Ablegeleiste.As a result of the transfer of the item of laundry to the centrally positioned spreading
Die Wäschestücke von jeder der beiden äußeren Beladestationen 11 werden auf gleiche Weise an zwei nächstliegende, freie Spreizklammern 14 eines Spreizklammerpaars übergeben. Diesen Übergabevorgang verdeutlichen die
In der Ausgangsstellung (
Von der Ausgangsstellung werden die Transferklammern 20 des Transferklammerpaars 21 zusammen an der schrägen Schiene 23 zum höheren hinteren Ende 26 derselben verfahren. Dieses Ende 26 der Schiene 23 befindet sich über und in Zuführrichtung 10 zur Spreizeinrichtung 12 hin versetzten unteren Ende derselben. Dadurch ist die Schiene 23 im dreidimensionalen Raum schräggerichtet, und zwar ebenso wie die Schiene 24 der linken Beladestation 11, die allerdings spiegelverkehrt zur Schiene 23 ausgerichtet ist.From the starting position, the transfer clamps 20 of the
Das obere, hintere Ende 26 der Schiene endet mit Abstand vor dem Ende 25 der mittleren Schiene 22. Deswegen befindet sich das zum Ende 26 der Schiene 23 verfahrene Transferklammerpaar 21 mit Abstand neben der vertikalen Längsmittelebene der Eingabemaschine. An dieser außermittigen Stelle erfolgt eine Übergabe des Wäschestücks von den Transferklammern 20 des Transferklammerpaars 21 an die schon dahinter gefahrenen, wartenden oder später hinter das Transferklammerpaar 21 gefahrene Spreizklammern 14 eines sich am nächsten an der Übergabestelle befindenden freien Spreizklammerpaars (
Nachdem die Spreizklammern 14 des Spreizklammerpaars das Wäschestück übernommen haben und es an gegenüberliegenden Eckbereichen einer vorderen Querkante festgeklemmt haben, werden die Spreizklammern 14 zum Ausstrecken des vorderen Querrands des Wäschestücks auseinandergefahren und gleichzeitig mittig vor dem Zuführförderer 17 zentriert. Anschließend erfolgt die Übergabe des Wäschestücks von den Spreizklammern 14 genauso wie das zuvor im Zusammenhang mit der Übergabe des Wäschestücks an die Spreizklammern 14 von der Schiene 22 der mittleren Beladestation 11 beschrieben worden ist.After the spreader clamps 14 of the pair of spreader clamps have taken over the item of laundry and clamped it at opposite corner areas of a front transverse edge, the spreader clamps 14 are moved apart to extend the front transverse edge of the item of laundry and at the same time centered in front of the
Die Transferklammerpaare 21 auf jeder der Schienen 22, 23 und 24 und die Spreizklammern 14 der Spreizeinrichtung 12 liegen in zwei unterschiedlichen parallelen Ebenen (
- 1010
- ZuführrichtungFeed direction
- 1111
- BeladestationLoading station
- 1212th
- SpreizeinrichtungSpreading device
- 1313th
- Schienerail
- 1414th
- SpreizklammerSpreader clamp
- 1515th
- LaufwagenCarriage
- 1616
- vorderes Endefront end
- 1717th
- ZuführfördererFeed conveyor
- 1818th
- BeladefördererLoading conveyor
- 1919th
- EckenfinderCorner finder
- 2020th
- TransferklammerTransfer bracket
- 2121st
- TransferklammerpaarTransfer clamp pair
- 2222nd
- Schienerail
- 2323
- Schienerail
- 2424
- Schienerail
- 2525th
- EndeThe End
- 2626th
- EndeThe End
- 2727
- GurtfördererBelt conveyor
- 2828
- GurtfördererBelt conveyor
- 2929
- AuflegebereichHang-up area
- 3030th
- EndeThe End
- 3131
- Walzeroller
- 3232
- Walzeroller
- 3333
- WalzenspaltNip
- 3434
- PendelarmPendulum arm
- 3535
- RinneGutter
- 3636
- DetektionsmittelDetection means
- 3737
- SensorlinieSensor line
- 3838
- DetektionsmittelDetection means
- 3939
- SensorlinieSensor line
Claims (7)
- Method for feeding laundry items to a laundry treatment installation, in particular a mangle, wherein a respective laundry item by way of a peripheral portion that lies between two neighbouring corners of a transverse periphery is deposited on at least one loading station (11), is transported beyond an end of the loading station (11) until two neighbouring corner regions of an opposite, rear trailing transverse edge of the laundry item are configured at the end of the loading station (11) and said corner regions of the laundry item are gripped by corner locators (19) of the respective loading station (11), characterized in that the transporting speed of the laundry item in the respective loading station (11) is reduced prior to the corner regions of the laundry item being gripped as soon as at least one detection means (36) has detected the rear trailing transverse periphery of the laundry item running past and thus the respective corner region of the laundry item can be detected by the corner locators (19) at the slower transporting speed of said laundry item.
- Method according to Claim 1, characterized in that the point in time at which the corner regions of the laundry item, preferably each individual corner region of a rear transverse periphery of the laundry item, are released from a loading conveyor (18) at the respective loading station (11) is ascertained.
- Method according to Claim 2, characterized in that the transporting speed of the laundry item through the loading station (11), in particular the transporting speed of corner locators (19) of the loading station (11), is reduced at the point in time of the release of the corner regions of the rear transverse periphery of the laundry item from the loading conveyor (18).
- Device for feeding laundry items to a laundry treatment installation, in particular a mangle, having a plurality of loading stations (11) that are disposed beside one another in a row that runs transversely to the feeding direction (10) of the laundry item to the laundry treatment installation, said loading stations (11) having in each case one loading conveyor (18) and, when viewed in the feeding direction (10), disposed downstream of said loading conveyor (18), corner locators (19) for neighbouring corner regions of a rear trailing transverse periphery of a laundry item, and each corner locator (19) being configured for transporting therethrough a lateral longitudinal peripheral region of the laundry item, wherein each corner locator (19) is assigned at least one detection means (36) for a rear transverse periphery or transverse peripheral region and/or rear corners or corner regions of the laundry item, characterized in that a deceleration of the transporting speed of the laundry item in the corner locator (19) assigned to the detection means (36) is capable of being triggered by the respective detection means (36) in such a way that the respective corner region of the laundry item can be detected by the corner locators (19) at a slower transporting speed.
- Device according to Claim 4, characterized in that each corner locator (19) has a roll pair having at least one individually rotatingly drivable roll (31) for transporting in each case one longitudinal peripheral region of the laundry item through the corner locator (19) assigned to said roll (31).
- Device according to one of Claims 4 or 5, characterized in that each corner locator (19) is assigned a dedicated detection means (38), preferably a light-barrier-type detection means (38), a sensor line (39) which for ascertaining an outermost location of a corner of the laundry item that is located at the rear end of the respective longitudinal periphery is disposed so as to be close to a roll nip (33) between the rolls (31, 32) of the roll pair and runs parallel with the roll nip (33) being in particular capable of being generated by the respective dedicated detection means (38).
- Device according to one of Claims 4 to 6, characterized in that the corner locators (19) of each loading station (11) are assigned a transfer clamp pair (21) which preferably lies in a plane parallel with the plane in which the spreader clamps (14) of a spreading installation (12) are repositionable, wherein the planes have such a spacing that the spreader clamps (14) are capable of being moved in a collision-free manner past the transfer clamps (20) of the transfer clamp pair (21), preferably having a laundry item suspended on the transfer clamps (20) and/or the spreader clamps (14).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016011675.7A DE102016011675A1 (en) | 2016-09-29 | 2016-09-29 | Method and device for feeding items of laundry to a laundry treatment device, in particular a defect |
PCT/EP2017/001095 WO2018059730A1 (en) | 2016-09-29 | 2017-09-15 | Method and device for supplying laundry items to a laundry treatment device, in particular a mangle |
EP17772609.8A EP3519620B1 (en) | 2016-09-29 | 2017-09-15 | Method and device for supplying laundry items to a laundry treatment device, in particular a mangle |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17772609.8A Division-Into EP3519620B1 (en) | 2016-09-29 | 2017-09-15 | Method and device for supplying laundry items to a laundry treatment device, in particular a mangle |
EP17772609.8A Division EP3519620B1 (en) | 2016-09-29 | 2017-09-15 | Method and device for supplying laundry items to a laundry treatment device, in particular a mangle |
Publications (2)
Publication Number | Publication Date |
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EP3636825A1 EP3636825A1 (en) | 2020-04-15 |
EP3636825B1 true EP3636825B1 (en) | 2021-03-24 |
Family
ID=59969113
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17772609.8A Active EP3519620B1 (en) | 2016-09-29 | 2017-09-15 | Method and device for supplying laundry items to a laundry treatment device, in particular a mangle |
EP19213404.7A Active EP3636825B1 (en) | 2016-09-29 | 2017-09-15 | Method and device for supplying laundry items to a laundry treatment device, in particular a mangle |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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EP17772609.8A Active EP3519620B1 (en) | 2016-09-29 | 2017-09-15 | Method and device for supplying laundry items to a laundry treatment device, in particular a mangle |
Country Status (6)
Country | Link |
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US (1) | US10858777B2 (en) |
EP (2) | EP3519620B1 (en) |
DE (1) | DE102016011675A1 (en) |
DK (2) | DK3519620T3 (en) |
ES (1) | ES2926145T3 (en) |
WO (1) | WO2018059730A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6999481B2 (en) * | 2018-04-12 | 2022-01-18 | 株式会社プレックス | Cloth grip chuck and cloth handling device |
EP3663458B1 (en) * | 2018-12-05 | 2021-08-18 | Girbau Robotics | Feeding device and method for feeding a flatwork textile article to a laundry treatment apparatus |
CN115135828A (en) | 2019-12-20 | 2022-09-30 | 高达机器公司 | Machine for automatically feeding fabric articles |
WO2024149877A1 (en) * | 2023-01-13 | 2024-07-18 | Jensen Denmark A/S | An apparatus for receiving and spreading out laundry items, in particular pieces of linen |
Citations (11)
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EP0068672B1 (en) | 1981-06-10 | 1986-09-10 | Jensen Corporation | Spreader feeder apparatus |
DE4202380A1 (en) | 1991-12-27 | 1993-01-14 | Kannegiesser H Gmbh Co | METHOD AND DEVICE FOR FEEDING LAUNDRY PIECES TO A DEFECT |
DE4442232A1 (en) | 1993-11-29 | 1995-06-01 | Shinko Industry Co | Feeding flexible material to ironing or pressing machine |
DE19504948A1 (en) | 1995-02-15 | 1996-08-22 | Kannegiesser H Gmbh Co | Feeding laundry items to mangle etc. |
JPH1024200A (en) | 1996-07-10 | 1998-01-27 | Tokyo Sensen Kikai Seisakusho:Kk | Bed sheet automatic placement method in washed bed sheetspreader and automatic placement device |
DE69516894T2 (en) | 1994-07-27 | 2000-10-05 | Finishtech, Ltd. | DEVICE FOR FEEDING FLAT MATERIAL PIECES |
EP0794279B1 (en) | 1996-03-08 | 2000-12-06 | Jensen AG Burgdorf | Method and device for feeding pieces of clothes to a processing apparatus |
WO2005038121A2 (en) | 2003-10-17 | 2005-04-28 | Herbert Kannegiesser Gmbh | Method and device for supplying laundry items to a laundry processing device |
DE60120869T2 (en) | 2000-10-10 | 2007-06-21 | Tokai Co., Ltd., Takamatsu | Method and apparatus for spreading a washed rectangular piece of laundry |
EP2006438A1 (en) * | 2007-06-20 | 2008-12-24 | Herbert Kannegiesser GmbH | Device for feeding laundry items into a laundry treatment device, in particular a mangle |
WO2012163356A1 (en) | 2011-05-27 | 2012-12-06 | Jensen Denmark A/S | A method and a feeder for feeding pieces of cloth |
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DE68925787T2 (en) * | 1988-12-02 | 1996-07-11 | Mitsubishi Heavy Ind Ltd | Method and device for spreading pieces of tissue |
DK0751251T3 (en) * | 1995-01-10 | 2002-08-19 | Tokai Co Ltd | Method and apparatus for automatic finishing of square cloths |
US7017291B2 (en) * | 2003-05-12 | 2006-03-28 | Finishtech, Ltd. | Gap reduction system and method for laundry processing |
EP1690976A1 (en) * | 2005-02-15 | 2006-08-16 | Jensen AG Burgdorf | Method of alignement of a laundry piece and apparatus for carrying out the same |
DE102008021810A1 (en) | 2007-10-05 | 2009-04-09 | Herbert Kannegiesser Gmbh | Method and device for feeding items of laundry to a laundry treatment device, in particular a defect |
WO2013057562A2 (en) * | 2011-10-17 | 2013-04-25 | Girbau Robotics | Machine for spreading out and loading flat clothing articles |
-
2016
- 2016-09-29 DE DE102016011675.7A patent/DE102016011675A1/en not_active Withdrawn
-
2017
- 2017-09-15 EP EP17772609.8A patent/EP3519620B1/en active Active
- 2017-09-15 DK DK17772609.8T patent/DK3519620T3/en active
- 2017-09-15 WO PCT/EP2017/001095 patent/WO2018059730A1/en unknown
- 2017-09-15 US US16/316,931 patent/US10858777B2/en active Active
- 2017-09-15 ES ES17772609T patent/ES2926145T3/en active Active
- 2017-09-15 DK DK19213404.7T patent/DK3636825T3/en active
- 2017-09-15 EP EP19213404.7A patent/EP3636825B1/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0068672B1 (en) | 1981-06-10 | 1986-09-10 | Jensen Corporation | Spreader feeder apparatus |
DE4202380A1 (en) | 1991-12-27 | 1993-01-14 | Kannegiesser H Gmbh Co | METHOD AND DEVICE FOR FEEDING LAUNDRY PIECES TO A DEFECT |
DE4442232A1 (en) | 1993-11-29 | 1995-06-01 | Shinko Industry Co | Feeding flexible material to ironing or pressing machine |
DE69516894T2 (en) | 1994-07-27 | 2000-10-05 | Finishtech, Ltd. | DEVICE FOR FEEDING FLAT MATERIAL PIECES |
DE19504948A1 (en) | 1995-02-15 | 1996-08-22 | Kannegiesser H Gmbh Co | Feeding laundry items to mangle etc. |
EP0794279B1 (en) | 1996-03-08 | 2000-12-06 | Jensen AG Burgdorf | Method and device for feeding pieces of clothes to a processing apparatus |
JPH1024200A (en) | 1996-07-10 | 1998-01-27 | Tokyo Sensen Kikai Seisakusho:Kk | Bed sheet automatic placement method in washed bed sheetspreader and automatic placement device |
DE60120869T2 (en) | 2000-10-10 | 2007-06-21 | Tokai Co., Ltd., Takamatsu | Method and apparatus for spreading a washed rectangular piece of laundry |
WO2005038121A2 (en) | 2003-10-17 | 2005-04-28 | Herbert Kannegiesser Gmbh | Method and device for supplying laundry items to a laundry processing device |
EP2006438A1 (en) * | 2007-06-20 | 2008-12-24 | Herbert Kannegiesser GmbH | Device for feeding laundry items into a laundry treatment device, in particular a mangle |
WO2012163356A1 (en) | 2011-05-27 | 2012-12-06 | Jensen Denmark A/S | A method and a feeder for feeding pieces of cloth |
Also Published As
Publication number | Publication date |
---|---|
DE102016011675A1 (en) | 2018-03-29 |
US20190234005A1 (en) | 2019-08-01 |
DK3636825T3 (en) | 2021-05-31 |
ES2926145T3 (en) | 2022-10-24 |
EP3519620B1 (en) | 2022-06-15 |
WO2018059730A1 (en) | 2018-04-05 |
US10858777B2 (en) | 2020-12-08 |
EP3636825A1 (en) | 2020-04-15 |
DK3519620T3 (en) | 2022-08-22 |
EP3519620A1 (en) | 2019-08-07 |
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