EP0246594A2 - Machine à plier le linge - Google Patents
Machine à plier le linge Download PDFInfo
- Publication number
- EP0246594A2 EP0246594A2 EP87107203A EP87107203A EP0246594A2 EP 0246594 A2 EP0246594 A2 EP 0246594A2 EP 87107203 A EP87107203 A EP 87107203A EP 87107203 A EP87107203 A EP 87107203A EP 0246594 A2 EP0246594 A2 EP 0246594A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- conveyor
- folding
- infeed conveyor
- machine according
- laundry
- Prior art date
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/02—Folding limp material without application of pressure to define or form crease lines
- B65H45/04—Folding sheets
Definitions
- the invention relates to a machine for folding laundry items along a desired line, with a switchable infeed conveyor and a folding device assigned to the infeed conveyor, which folds laundry items lying on the infeed conveyor at a folding station and delivers the folded laundry items to a further work station.
- Folding "along a desired line” means a center fold, a third fold or a quarter fold of the laundry items. In the majority of cases, a center fold occurs, in which a piece of laundry is folded along a center line. Folding machines of the type mentioned in the introduction are therefore usually referred to as folding machines which operate with intermediation. This expression is used in the description below applies, but it should be understood that this term generally means folding along a desired line.
- Folding machines of the type mentioned in the introduction are usually arranged behind longitudinal folding machines in order to subject the items of laundry which have been longitudinally folded in the longitudinal folding machine at the end to at least one transverse folding. Folding machines of the type mentioned in the introduction are therefore often referred to as transverse folding machines.
- the known transverse folding machines usually have a width that corresponds to the width of the longitudinal folding machine.
- one or more longitudinal folds can be carried out on a piece of laundry in the longitudinal folding machine, while at least one transverse folding along a desired line, that is to say a transverse folding with switching, can be carried out in the downstream transverse folding machine.
- the machine known from DE-PS 17 85 577 has in the middle of the infeed conveyor a further conveying device in the form of pairs of rollers which, under the control of edge sensors, convey an incoming item of laundry transversely to the extension of the longitudinal conveyor inwards and downwards, where then one Folding is made using a folding sword. It can be seen that in this known machine there is exactly the disadvantage explained above, that if, for example, small items of laundry arrive in three or four lanes on the infeed conveyor, transverse folding is no longer possible, unless by hand.
- the present invention aims to provide an improvement in order to be able to carry out a very precise final transverse folding, particularly on small items of laundry.
- this is achieved in that the items of laundry lying on the infeed conveyor of the cross-folding machine are drawn off transversely to the direction of movement of the infeed conveyor and delivered to a folding station in which a cross-folding is carried out, i.e. a folding about an axis parallel to the direction of movement of the infeed conveyor.
- a longitudinal fold is understood to mean a fold about an axis transverse to the direction of movement of the conveyor in question.
- a folding machine according to the invention requires only comparatively little space in the width direction, so that behind a conventional longitudinal folding machine of greater width for any web along which small items of laundry are placed and longitudinally folded, a folding machine according to the invention can be provided. If, for example, small items of laundry are to be treated on three webs, each with a width of one meter, on a longitudinal folding machine with a width of three meters, three transverse folding machines are arranged downstream of the longitudinal folding machine when the present invention is used.
- a folding machine has an infeed conveyor 1 which is arranged on a suitable frame and is arranged downstream of a laundry treatment machine, for example a longitudinal folding machine.
- the laundry items pass from the upstream laundry treatment machine to the infeed conveyor 1 via a conveyor 2.
- the infeed conveyor 1 is switchable and it is always switched off when a laundry item lies on it, and is switched on again when the laundry item is from him is deducted, as explained below.
- the infeed conveyor 1 can be a conventional belt conveyor which runs around a front roller 3 and a rear roller 4.
- the direction of movement of the belts of the infeed conveyor 1 and the feed conveyor 2 is shown in FIG. 1 with an arrow.
- the surface of the belts of the inlet conveyor 1 is preferably designed such that only slight friction between the E inlaufeauer and the laundry is present.
- FIG. 2 is a front view of the preferred embodiment, as seen from the right according to FIG. 1.
- a further conveying device 6 is arranged above the right side of the infeed conveyor 1 according to FIG.
- this further conveyor device 6 comprises an endless belt conveyor 7, the belts 8 of which run around a front roller 9 and a rear roller 10.
- a frame (not shown) carrying the rollers 9, 10 and thus the belts 8 is articulated via two links 11 and 12 to a frame, also indicated only schematically, so that the belt conveyor 7, 8, 9 from the one shown in FIG. 2 with a broken line Position at a distance above the infeed conveyor 1 in the position shown in Figure 2 with a solid line in contact with the upper surface of the infeed conveyor 1 and vice versa can be moved by pivoting.
- a preferably pneumatic piston-cylinder device 13 is provided for causing these movements of the belt conveyor 9, which, in an appropriate manner, with the frame or frame carrying the belt conveyor 7 or with one of the links 11 or 12 and a stationary part of the Folding machine is connected.
- a piston-cylinder device 13 can expediently be provided on each side of the belt conveyor 7. When the piston rod is pushed out, the belt conveyor 7 moves from the position shown with the broken line to the position shown with the solid line, and vice versa.
- roller 9 To drive the belt conveyor 7, one of its rollers, here the roller 9, is connected to a drive belt 14, which also runs over a belt pulley, which at the articulation point the handlebar 11 is arranged, which is coupled to the roller 9. At this point, a further pulley .. is provided, over which a belt 15 runs, which continues to run over a further pulley, which is arranged on the output shaft of a drive motor 16, which is appropriately provided on the machine frame, not shown.
- the belts 5 of the infeed conveyor 1 can all have a width as indicated on the left-hand side according to FIG. However, for the intended function of the machine it is advantageous if in the area of the belt conveyor 7 the infeed conveyor 1 has a uniform belt band, the width of which corresponds approximately to the length of the belt conveyor 7 shown in FIG. Such an embodiment is not shown.
- the infeed conveyor 1 has a wider belt band 5a in the region of the belt conveyor 7, the width of which corresponds to approximately half the length of the belt conveyor 7.
- a table surface 5b adjoins the right side of the webbing 5a according to FIG. 2, which can be made of plastic, metal or the like, provided that it has a smooth surface.
- This table surface 5b is bent downward at its right end according to FIG. 2, as is indicated in FIG. 2 by the dashed line.
- the surface of the table surface 5b lies approximately in the plane of the upper runs of the belts 5 and 5a.
- a folding station which has two cooperating folding conveyors 17 and 18 and an associated folding sword 19.
- the direction of movement of the folding conveyor is indicated by arrows and it runs from right to left on their mutually facing runs according to FIG.
- Various components are assigned to the folding station 17, 18, 19, which serve to place the item of laundry emerging from the folding station 17, 18, 19 on a further conveyor, which can be, for example, a stacking conveyor known per se.
- a further conveyor which can be, for example, a stacking conveyor known per se. The details of these components are not part of the invention, so that they are not explained.
- An incoming piece of laundry is delivered from the feed conveyor 2 to the infeed conveyor 1 running at this time.
- the infeed conveyor 1 becomes silent set.
- the belt conveyor 7 is in the position shown in FIG. 1 at a distance above the infeed conveyor 1.
- the belt conveyor 7 is removed from that in FIG 1 shown position brought into the position shown in Figure 2 with a solid line in contact with the infeed conveyor 1 or pivoted.
- the belt conveyor 7 is already driven at this point in time, so that the laundry is drawn off from the infeed conveyor 1 according to FIG.
- the folding sword 19 is then actuated at the point in time which was determined in a direction transverse to the conveying direction of the infeed conveyor 1 as a function of the previously determined dimension of the item of laundry.
- the folding sword 19 pushes the laundry item along the desired line into the gap between the folding conveyors 17 and 18, which perform the folding as a result of their drive and then deliver the laundry item to the downstream components and the like.
- the surface of the belts 8 is expedient to form the surface of the belts 8 from a material which has a comparatively high coefficient of friction compared to the laundry. This ensures safe removal of the items of laundry in the transverse direction since the belts 5 and 5a have a surface made of a material with a relatively low coefficient of friction, and because the table surface 5b is made of a material with a smooth surface over which the item of laundry slides easily.
- a machine according to the invention has a comparatively small width, so that when working in conventional longitudinal folding machines with multiple webs, a fold for each web machine can be provided according to the invention, but folding along a desired line, that is folding with mediation can take place, as was previously not possible for small items of laundry.
- a guide plate can be provided, by which it is ensured that the removed laundry items run correctly to the folding station 17, 18, 19.
- endless belt conveyor 7 can be driven intermittently or continuously.
- a folding station with a folding sword 19 instead of a folding station with a folding sword 19, a folding station with an air jet device can also be provided.
Landscapes
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Treatment Of Fiber Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3617320 | 1986-05-23 | ||
DE19863617320 DE3617320A1 (de) | 1986-05-23 | 1986-05-23 | Maschine zum falten von waeschestuecken |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0246594A2 true EP0246594A2 (fr) | 1987-11-25 |
EP0246594A3 EP0246594A3 (en) | 1988-09-07 |
EP0246594B1 EP0246594B1 (fr) | 1989-10-04 |
Family
ID=6301437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87107203A Expired EP0246594B1 (fr) | 1986-05-23 | 1987-05-18 | Machine à plier le linge |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0246594B1 (fr) |
DE (2) | DE3617320A1 (fr) |
DK (1) | DK160619C (fr) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2031808A1 (de) * | 1970-06-26 | 1971-12-30 | Kleindienst & Co, Maschinenfabrik, 8900 Augsburg | Vorrichtung zum Falten von Wäschestücken und dgl |
GB1266051A (en) * | 1968-03-01 | 1972-03-08 | Jesus Henri Leon Lucien | Improvements in and relating to conveyors |
DE1785577C (de) * | 1972-12-21 | E. & E. Peters Gmbh, 2000 Hamburg | Einschiebefaltvorrichtung. Ausscheidung aus: 1585882 | |
DE2712401A1 (de) * | 1976-03-30 | 1977-10-13 | Weir Henry J | Faltmaschine und verfahren zur faltung von eben ausbreitbaren gegenstaenden |
DE3103468A1 (de) * | 1981-02-02 | 1982-10-07 | Wilh. Cordes GmbH & Co, 4740 Oelde | "verfahren und faltmaschine zum laengsfalten von bahnfoermigen waeschestuecken" |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2453470C2 (de) * | 1974-11-12 | 1983-07-28 | Kleindienst GmbH, 8900 Augsburg | Vorrichtung zum Querfalten von bereits längsgefalteten flächigen Wäschestücken |
-
1986
- 1986-05-23 DE DE19863617320 patent/DE3617320A1/de active Granted
-
1987
- 1987-05-18 DE DE8787107203T patent/DE3760666D1/de not_active Expired
- 1987-05-18 EP EP87107203A patent/EP0246594B1/fr not_active Expired
- 1987-05-22 DK DK260787A patent/DK160619C/da not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1785577C (de) * | 1972-12-21 | E. & E. Peters Gmbh, 2000 Hamburg | Einschiebefaltvorrichtung. Ausscheidung aus: 1585882 | |
GB1266051A (en) * | 1968-03-01 | 1972-03-08 | Jesus Henri Leon Lucien | Improvements in and relating to conveyors |
DE2031808A1 (de) * | 1970-06-26 | 1971-12-30 | Kleindienst & Co, Maschinenfabrik, 8900 Augsburg | Vorrichtung zum Falten von Wäschestücken und dgl |
DE2712401A1 (de) * | 1976-03-30 | 1977-10-13 | Weir Henry J | Faltmaschine und verfahren zur faltung von eben ausbreitbaren gegenstaenden |
DE3103468A1 (de) * | 1981-02-02 | 1982-10-07 | Wilh. Cordes GmbH & Co, 4740 Oelde | "verfahren und faltmaschine zum laengsfalten von bahnfoermigen waeschestuecken" |
Also Published As
Publication number | Publication date |
---|---|
DE3760666D1 (en) | 1989-11-09 |
DK160619B (da) | 1991-04-02 |
DK260787A (da) | 1987-11-24 |
DK160619C (da) | 1991-09-02 |
DE3617320A1 (de) | 1987-11-26 |
DK260787D0 (da) | 1987-05-22 |
EP0246594B1 (fr) | 1989-10-04 |
DE3617320C2 (fr) | 1991-04-11 |
EP0246594A3 (en) | 1988-09-07 |
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