EP3519620B1 - Verfahren und vorrichtung zum zuführen von wäschestücken zu einer wäschebehandlungseinrichtung, insbesondere einer mangel - Google Patents

Verfahren und vorrichtung zum zuführen von wäschestücken zu einer wäschebehandlungseinrichtung, insbesondere einer mangel Download PDF

Info

Publication number: EP3519620B1
Authority: EP; European Patent Office
Prior art keywords: laundry; spreader; clamps; item; clamp
Prior art date: 2016-09-29
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Active

Application number

EP17772609.8A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP3519620A1 (de

Inventor

Wilhelm Bringewatt

Thomas Klarhorst

Arthur Malikowski

Engelbert Heinz

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Herbert Kannegiesser GmbH and Co

Original Assignee

Herbert Kannegiesser GmbH and Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2016-09-29

Filing date

2017-09-15

Publication date

2022-06-15

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=59969113&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3519620(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2017-09-15 Application filed by Herbert Kannegiesser GmbH and Co filed Critical Herbert Kannegiesser GmbH and Co

2017-09-15 Priority to DK19213404.7T priority Critical patent/DK3636825T3/da

2017-09-15 Priority to EP19213404.7A priority patent/EP3636825B1/de

2019-08-07 Publication of EP3519620A1 publication Critical patent/EP3519620A1/de

2022-06-15 Application granted granted Critical

2022-06-15 Publication of EP3519620B1 publication Critical patent/EP3519620B1/de

Status Active legal-status Critical Current

2037-09-15 Anticipated expiration legal-status Critical

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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 items of laundry to a laundry treatment device, in particular a mangle, according to the preamble of claim 1.
the invention also relates to a device for feeding items of laundry to a laundry treatment device, in particular a mangle, according to the preamble of claim 5.
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 items of laundry referred to below as side edges or also longitudinal edges, on the other hand, run in the feed direction.
the designations 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, transverse edges can be long or also short edges of the laundry items. The same applies to side margins or longitudinal margins.
the spreading device has spreading clamps that can be moved transversely to the feed direction and hold adjacent corners or corner regions of a transverse edge, in particular a front transverse edge, and stretch or spread this transverse edge by moving it apart, thereby spreading out the item of laundry hanging on the spreading clamps.
a disadvantage of the known procedure is that the spreading clamps hold adjacent corners of the front transverse edge to be spread of the respective item of laundry at a distance from the geometric corner point, so that the corners of the transverse edge protrude from the spreading clamps. This leads to stretched and/or kinked corner regions when the extended transverse edge with the transverse edge region of the item of laundry extending therefrom is laid down on the feed conveyor or the depositing strip. As a result, the item of laundry gets so-called "ears" when ironed, which affects the quality of the ironer.
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 treatment, preferably without reducing the treatment performance.
a method for solving this problem has the measures of claim 1. Accordingly, provision is made for the corner regions of the item of laundry held by the expanding clamps to be moved by the expanding clamps to their outermost corners, in particular their geometric corners, before the item is deposited on the feed conveyor or the depositing strip. In this way, corners protruding from the expanding clamps, in particular corners, are avoided. After the front edge or transverse edge of the item of laundry, which is held stretched by the expanding clamps, has been placed on the feed conveyor and/or the depositing strip, the corners lead to the initially mentioned ears at the corners, which can be seen from the outlines of the geometric shape of the item of laundry protrude and thus lead to a significant impairment of the treatment quality.
the method can preferably be further developed such that the corner areas of the respective item of laundry held by the expanding clamps are moved by the expanding clamps until an outermost point of each corner, preferably the geometric corner point of the respective corner, reaches a clamping area of the respective expanding clamp. At least the corners are moved so far by the spreading clamps that their outermost points are close to the clamping area of the respective spreading clamp, which avoids or significantly reduces the formation of corners when the item of laundry is deposited by the spreading clamps on the depositing bar or the feed conveyor.
An advantageous possible embodiment of the method provides for the clamping area of each expanding clamp to be formed between adjacent clamping members that preferably correspond to one another.
a clamping element of each expanding clamp is preferably driven in a targeted, controlled manner in order to move the respective corner area of the item of laundry through the relevant expanding clamp.
the clamping elements are preferably designed as cylinders or clamping rollers. These enable the respective corner area to be transported through the spreader clamp holding it. In this way, the respective corner, in particular the geometric corner point, can be controlled in a targeted manner in each expansion clamp. A tip that may protrude from the spreader clamp is at least largely eliminated in this way.
Each of the two spreader clips of a pair of spreader clips can be actuated individually, which means that tails of different lengths in one or the other spreader clip of each pair of spreader clips can be removed individually and independently of one another.
a simple opening and closing of each spreader clamp is possible.
each spreader clamp can be opened so far that it can easily be loaded with a corner area of an item of laundry.
a device for solving the problem mentioned at the outset has the features of claim 5 .
the spreading clamps of the spreading device are assigned conveying means for moving or displacing the corner regions held by the spreading clamps at opposite ends of a transverse edge of the item of laundry.
the conveying means of the expanding clamps make it possible to transport the corner regions of the item of laundry held by them through the expanding clamps until there are no more corner regions of the item of laundry protruding from the expanding clamps, or at least the corners are almost eliminated. Such corners can then no longer adversely affect the appearance of the treated item of laundry, in particular the mangled item of laundry. As a result, the treatment quality of the respective item of laundry is significantly improved.
each expanding clamp to have a pair of cylinders or rollers for clamping a respective corner region or corner of the item of laundry has, wherein at least one of the rollers can be driven in rotation.
a rotary drive to the rotatably drivable roller of each pair of rollers of each expanding clamp.
This can be a simple rotary drive that only needs to have a relatively short rotary path. Typically, part of a full circle rotation of the driven roller is sufficient to eliminate or reduce the tail.
the rotary drive is preferably designed as a pneumatic or electric rotary drive. However, the rotary drive can also be implemented mechanically. Furthermore, it is preferably provided to design the rotary drive in such a way that the angular range of rotation of the driven rollers can be adjusted. As a rule, a default setting that does not have to be constantly changed during operation of the device is sufficient.
This presetting can be selected in such a way that the tail is significantly reduced and only a residual tail remains, which varies within narrow limits from item to item of laundry.
a further possibility of designing the device provides that one of the two rollers of a pair of rollers of each spreader clamp, preferably a freely rotatable roller of the pair of rollers of each spreader clamp, can be pivoted about a pivot axis of the respective spreader clamp running transversely to its axis of rotation.
This allows a simple and further opening of the respective spreader clamp, which allows a corner area of the respective item of laundry to be loaded easily and without complications.
the expanding clamp is closed, the clamping force of the corner region of the item of laundry held in the expanding clamp between the pair of rollers can be realized in accordance with the requirements by pivoting the non-driven roller.
an adaptation to laundry items of different thicknesses is possible. It is also conceivable, only the driven one Form roller pivotable or form both rollers pivotable in opposite directions, so that the respective spreader clamp can be opened in a V-shape.
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), namely primarily flat items of laundry such as sheets, duvet covers, pillowcases, towels, tablecloths and the like, in the feed direction 10 to a mangle not shown in the figures.
the device shown can also be used 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 side of the input machine.
the middle loading station 11 is located in the center of the input machine shown.
the other two loading stations 11 are on opposite sides of the central loading station 11 arranged eccentrically.
the invention is also suitable for input machines with a larger or smaller number of loading stations 11, and also for input machines with only a single loading station 11.
the spreading device 12 has a horizontal rail 13 running transversely to the feeding direction 10, on which carriages 15 carrying a spreading clamp 14 can be moved transversely to the feeding direction 10.
four preferably identically designed expansion clamps 14 are provided, each with its own carriage 15 .
the spreading device 12 has only two spreading clamps 14 with carriages 15 .
two expanding clamps 14 with a mirror-inverted arrangement of 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 expanding 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 spreading device 12.
the item of laundry is centered or centered by the spreading clamps 14 of the respective pair of spreading clamps relative to the center of the device .
the spreading device 12 Seen in the feed direction 10, the spreading device 12 is followed by a feed conveyor 16.
the item of laundry spread out and centered by the spreading device 12 is transferred with the leading transverse edge stretched out by the spreading clamps 14 of the pair of spreading clamps to a front end 16 of the feed conveyor 17. This is done by placing a front, stretched transverse edge area of the laundry item 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 feed conveyor 17 lies in a vertical longitudinal center plane of the input machine running in the feed direction 10 .
the item of laundry lying spread out and/or stretched out on the conveyor 17 is transported by the feed conveyor 17 to the mangle or other laundry treatment device not shown in the figures.
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 adjacent corners or corner regions 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 thus form a double clamp for each 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 central loading station 11 runs in a straight line in the infeed direction 10 along the center of the input machine and the infeed conveyor 17.
the rail 22 runs in the infeed direction 10 upwards.
Longer rails 23 , 24 running obliquely upwards and in the direction of the spreading device 12 extend from the outer loading stations 11 .
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, with the upper belt conveyor 27 being located behind the start of the lower belt conveyor 18, viewed in the feed direction 10, to form an exposed front area of the upper run of the lower belt conveyor 28, which thus has a placement area 29 for a respective piece of laundry forms.
a narrow, ideally central, transverse edge section lying between adjacent corners of the front transverse edge of the item of laundry is placed on the laying 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 viewed in the feed direction 10.
the conveyor belt of the longer lower belt conveyor 28 is driven indirectly by entrainment of the conveyor belt of the driven shorter belt conveyor 27 or an intermediate the upper run of the lower belt conveyor and the lower run of the upper belt conveyor 27 lying part of a laundry item.
the pair of transfer clamps 21 with the laundry item loaded at the central loading station 11 is moved along the rail 22 running in a straight line in the feed direction 10 to the upper end 25 thereof, in particular 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 pair of transfer clamps 21 to two spreader clamps 14 of a pair of spreader clamps, which have been moved to the center of the input machine and have the open sides of the clamp mouths facing each other ( figure 5 ). Subsequently, these two spreading clamps 14 are 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 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 on a storage strip assigned to the feed conveyor 17.
the pair of transfer clamps 21 In the starting position ( 6 ) the pair of transfer clamps 21 is located at the outer, lower end of the rail 23 behind the two corner finders 19. In this position, the pair of transfer clamps 21 takes an item of laundry from the corner finders 19, so that each transfer clamp 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 to the spreading device 12 towards the lower end of the same.
the rail 23 is oriented obliquely in three-dimensional space, just like the rail 24 of the left-hand loading station 11, which, however, is aligned in a mirror-inverted manner 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 at a distance next to the vertical longitudinal center plane of the input machine. At this off-center point, the item of laundry is transferred from the transfer clamps 20 of the transfer clamp pair 21 to the spreader clamps 14 of a free spreader clamp pair ( 4 ).
the expanding clamps 14 of the expanding clamp pair After the expanding clamps 14 of the expanding clamp pair have taken over the item of laundry and have clamped it at opposite corner regions of a front transverse edge, the expanding clamps 14 are moved apart to stretch out the front transverse edge of the item of laundry and at the same time centered the feed conveyor 17 centered. The item of laundry is then transferred from the spreader clamps 14 in exactly the same way as has been described above in connection with the transfer of the item of laundry to the spreader clamps 14 from the rail 22 of the central loading station 11 .
the pairs of transfer clamps 21 on each of the rails 22, 23 and 24 and the spreader clamps 14 of spreader 12 lie in two distinct parallel planes. However, these planes are as close together as possible so that the spreader clamps 14 can move past the transfer clamps 20 and their carriages, but the transfer of the corners of the respective laundry item from the pair of transfer clamps 21 to the spreader clamps 14 is reliably possible. Because the transfer clamps 20 can run along the spreading clamps 14, it is possible for several or even all transfer clamp pairs 21 to be located at the upper end 25, 26 of the respective rail 22, 23 or 24 without them colliding as a result ( figure 5 ).
Each of the expansion clamps 14 is designed in a particularly inventive way. This training is such that after hanging a corner of one in the 6 and 7 shown laundry item 40 in a clamp mouth 41 of the spreader clamp 14, a tip 42 projecting beyond the clamp mouth 41 of the corner region held by the spreader clamp 14 when the clamp mouth 41 is closed, i.e. in the state held by the spreader clamp 14 relative to the spreader clamp 14, in particular the clamp mouth 41 of the same, movable is. This movement takes place in such a way that the tail 42 is reduced in size and an outermost corner point 43 of the corner area, in particular of the tail 42, of the item of laundry 40 reaches the area of a clamping point 44 in the clamp mouth 41 ( 7 ). As a result, the tip 42 ( 6 ) eliminated or at least reduced. The item of laundry 40 is then held at the clamping point 40 with the outermost corner point 43, which corresponds to the geometric corner point of a corner ( 7 ).
the conveying means are two rollers 45, 46 that correspond to one another.
the rollers 45, 46 form a roller pair with a clamp jaw 41 ( 7 ) intermediate linear nip 47.
This linear nip 47 forms the clamping point 44 of a tip 42 or outermost corner point 43 of one of the adjacent corners of the front transverse edge of the laundry item 14 to be stretched out.
roller 46 One of the two rollers 45, 46 of the respective expanding clamp 14, namely the roller 46, can be driven in rotation.
the other non-driven roller 45 of the pair of rollers is pivotable about a pivot axis 48 at one end thereof. This pivot axis 48 runs perpendicular to the axis of rotation of the freely rotatable roller 45 .
the roller 45 is pivoted by a suitable linear drive, in the exemplary embodiment shown a pneumatic cylinder 49, or a pivot drive.
the rotatable roller 46 is driven by a rotary drive 50 assigned to it.
This can be an electric motor, in particular a servomotor, or a pneumatic or mechanical rotary drive 50 .
the path of rotation or angle of rotation of the rotary drive 50 only needs to be large enough for it to rotate the roller 46 to such an extent that it can eliminate the longest conceivable tip 42 that forms on the respective expanding clamp 14 .
a pivoting angle that is smaller than a full circle rotation of the roller 46 is sufficient.

Landscapes

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)

EP17772609.8A 2016-09-29 2017-09-15 Verfahren und vorrichtung zum zuführen von wäschestücken zu einer wäschebehandlungseinrichtung, insbesondere einer mangel Active EP3519620B1 (de)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
DK19213404.7T DK3636825T3 (da)	2016-09-29	2017-09-15	Fremgangsmåde og apparat for tilførsel af vasketøjsstykker til en vasketøjs-behandlingsindretning, navnlig en rulle
EP19213404.7A EP3636825B1 (de)	2016-09-29	2017-09-15	Verfahren und vorrichtung zum zuführen von wäschestücken zu einer wäschebehandlungseinrichtung, insbesondere einer mangel

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE102016011675.7A DE102016011675A1 (de)	2016-09-29	2016-09-29	Verfahren und Vorrichtung zum Zuführen von Wäschestücken zu einer Wäschebehandlungseinrichtung, insbesondere einer Mangel
PCT/EP2017/001095 WO2018059730A1 (de)	2016-09-29	2017-09-15	Verfahren und vorrichtung zum zuführen von wäschestücken zu einer wäschebehandlungseinrichtung, insbesondere einer mangel

Related Child Applications (2)

Application Number	Title	Priority Date	Filing Date
EP19213404.7A Division EP3636825B1 (de)	2016-09-29	2017-09-15	Verfahren und vorrichtung zum zuführen von wäschestücken zu einer wäschebehandlungseinrichtung, insbesondere einer mangel
EP19213404.7A Division-Into EP3636825B1 (de)	2016-09-29	2017-09-15	Verfahren und vorrichtung zum zuführen von wäschestücken zu einer wäschebehandlungseinrichtung, insbesondere einer mangel

Publications (2)

Publication Number	Publication Date
EP3519620A1 EP3519620A1 (de)	2019-08-07
EP3519620B1 true EP3519620B1 (de)	2022-06-15

Family

ID=59969113

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP17772609.8A Active EP3519620B1 (de)	2016-09-29	2017-09-15	Verfahren und vorrichtung zum zuführen von wäschestücken zu einer wäschebehandlungseinrichtung, insbesondere einer mangel
EP19213404.7A Revoked EP3636825B1 (de)	2016-09-29	2017-09-15	Verfahren und vorrichtung zum zuführen von wäschestücken zu einer wäschebehandlungseinrichtung, insbesondere einer mangel

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
EP19213404.7A Revoked EP3636825B1 (de)	2016-09-29	2017-09-15	Verfahren und vorrichtung zum zuführen von wäschestücken zu einer wäschebehandlungseinrichtung, insbesondere einer mangel

Country Status (6)

Country	Link
US (1)	US10858777B2 (da)
EP (2)	EP3519620B1 (da)
DE (1)	DE102016011675A1 (da)
DK (2)	DK3519620T3 (da)
ES (1)	ES2926145T3 (da)
WO (1)	WO2018059730A1 (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP6999481B2 (ja) *	2018-04-12	2022-01-18	株式会社プレックス	布類掴みチャックおよび布類ハンドリング装置
ES2899359T3 (es) *	2018-12-05	2022-03-11	Girbau Robotics	Dispositivo de alimentación y procedimiento para alimentar un artículo textil plano a un aparato de tratamiento de colada
EP4077794B1 (en)	2019-12-20	2024-06-05	Girbau Robotics	Machine for automatically feeding flatwork 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
WO2025219408A1 (en) *	2024-04-19	2025-10-23	Jensen Denmark A/S	Devices and methods for conveying laundry items

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DE102008021810A1 (de) *	2007-10-05	2009-04-09	Herbert Kannegiesser Gmbh	Verfahren und Vorrichtung zum Zuführen von Wäschestücken zu einer Wäschebehandlungseinrichtung, insbesondere einer Mangel
US9085847B2 (en)	2011-05-27	2015-07-21	Jensen Denmark A/S	Method and a feeder for feeding pieces of cloth
CN103998678B (zh) *	2011-10-17	2016-11-02	高达机器人公司	用于铺展和装载平状衣物制品的机器

2016
- 2016-09-29 DE DE102016011675.7A patent/DE102016011675A1/de not_active Withdrawn
2017
- 2017-09-15 EP EP17772609.8A patent/EP3519620B1/de active Active
- 2017-09-15 DK DK17772609.8T patent/DK3519620T3/da active
- 2017-09-15 DK DK19213404.7T patent/DK3636825T3/da active
- 2017-09-15 ES ES17772609T patent/ES2926145T3/es active Active
- 2017-09-15 US US16/316,931 patent/US10858777B2/en active Active
- 2017-09-15 WO PCT/EP2017/001095 patent/WO2018059730A1/de not_active Ceased
- 2017-09-15 EP EP19213404.7A patent/EP3636825B1/de not_active Revoked

Also Published As

Publication number	Publication date
WO2018059730A1 (de)	2018-04-05
DK3636825T3 (da)	2021-05-31
US10858777B2 (en)	2020-12-08
EP3636825A1 (de)	2020-04-15
US20190234005A1 (en)	2019-08-01
ES2926145T3 (es)	2022-10-24
DE102016011675A1 (de)	2018-03-29
DK3519620T3 (da)	2022-08-22
EP3519620A1 (de)	2019-08-07
EP3636825B1 (de)	2021-03-24

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