DK149550B

DK149550B - Apparatus for folding pieces of laundry

Info

Publication number: DK149550B
Application number: DK128984A
Authority: DK
Inventors: Joern Munch Jensen
Original assignee: Jensen & Soen Maskinfabrik A S
Priority date: 1984-02-29
Filing date: 1984-02-29
Publication date: 1986-07-21
Also published as: DK128984D0; DK149550C; DK128984A

Description

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Den foreliggende opfindelse angår et apparat til foldning af vasketøj stykker og af den i indledningen til krav 1 angivne art.The present invention relates to an apparatus for folding laundry pieces and of the kind specified in the preamble of claim 1.

Foldeapparater af den nævnte art finder især anvendelse, hvor der er behov for en hurtig omstilling af apparatet til eventuelt at udelade en foldning, idet dette opnås ved blot at sænke fingrene, som skal løfte tøj stykket op på opløbsbanen. Foldningen sker ved kendte apparater ved, at den del af tøjstykket, som befinder sig på opløbsbanen, standses ved at opløbbanens nederste del løftes op fra transportbåndene, eventuelt til et kortvarigt anlæg med en over opløbsbanen placeret brem-semekanisme. En ulempe ved de kendte foldeapparater er, at folden i det væsentlige dannes ved at den resterende del af tøjstykket føres videre fremefter, så der dannes en art løkke på tøjstykket, men ingen skarp foldemarkering. Ved tøjstykker, som i forvejen er foldet en eller to gange giver dette en upræcis foldning, der vanskeliggør en nøjagtig stabling af tøjstykkerne i et senere trin.Folders of the kind mentioned above are particularly applicable where a quick change of the apparatus is required to possibly omit a folding, this being achieved by simply lowering the fingers which are to lift the piece of clothing up on the runway. The folding is done by known apparatus in that the part of the piece of clothing that is on the runway is stopped by lifting the lower part of the runway from the conveyor belts, possibly to a short-term system with a braking mechanism located above the runway. A disadvantage of the known folding apparatus is that the fold is essentially formed by moving the remaining part of the garment further forward, so that a kind of loop is formed on the garment, but no sharp fold marking. For pieces of clothing that are already folded once or twice, this gives an inaccurate folding which makes it difficult to accurately stack the pieces in a later step.

Formålet med den foreliggende opfindelse er at afhjælpe denne mangel. Dette opnås ved apparatet ifølge opfindelsen, hvilket apparat er ejendommeligt ved det i hovedkravets kendetegnende del angivne.The object of the present invention is to remedy this defect. This is achieved by the apparatus according to the invention, which is characterized by the characterizing part of the main claim.

Rullerne mellem skiverne for opløbsbanen danner sammen med transportbåndet et nip, der, så snart foldesværdet slår tøjstykket ind mellem rullerne og transportbåndene»frembringer en skarp foldning og en sikker videretransport. Opløbsbanens snore medvirker til at holde tøjstykket stramt og glat. Fordelen ved at foldningen udelades, dersom fingrene sænkes, ,·. , . er bibeholdt, idet nippet mellem rullerne og transportbåndene er i stand til sikkert at gribe tøjstykkets forkant.The rollers between the discs of the runway together with the conveyor belt form a nip which, as soon as the folding sword strikes the piece of clothing between the rollers and the conveyor belts »produces a sharp folding and a secure forward transport. The runway cords help to keep the garment tight and smooth. The advantage of dropping the fold if the fingers are lowered,,. ,. is retained as the nip between the rollers and the conveyor belts is capable of securely gripping the front of the garment.

Fordelagtige udformninger for apparatet ifølge opfindelsen fremgår af underkravene.Advantageous designs for the apparatus according to the invention appear from the subclaims.

Opfindelsen skal i det følgende beskrives nærmere under henvisning til tegningen, der viser en udførelsesform for et apparat til foldning af vasketøjstykker.BRIEF DESCRIPTION OF THE DRAWINGS The invention will now be described in more detail with reference to the drawing, which shows an embodiment of an apparatus for folding laundry pieces.

Apparatet ifølge opfindelsen til foldning af vaksetøj-stykker omfatter en transportbane der består af et antal parallelle bånd 1, der endeløst er ført over to ruller 2 og 3, idet returforløbet for at tydeliggøre tegningen er udeladt.The apparatus according to the invention for folding wax pieces comprises a conveying path consisting of a plurality of parallel strips 1 which are passed endlessly over two rollers 2 and 3, the return course for clarifying the drawing being omitted.

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Mod oversiden af båndene 1 hviler der en række ruller 4, der er monteret fortløbende på en fælles aksel. Når transportbåndene drives som vist med pilen 5 ved rullen 2, drives rullerne som vist ved pilen 6 med modsat omløbsretning. På akslen for rullerne 4 er der tillige mellem rullerne monteret fritløbende et antal snorskiver 7. Omkring snorskiverne 7 og en rulle 8 med et tilsvarende antal spor er der monteret et antal endeløse, parallelle snore 9, der tilsammen danner en opløbsbane. Rullen 8 drives synkront med transportbåndene med en sådan vinkelhastighed, at transporthastigheden og -retningen af transportbåndene 1 og opløbsbanen er den samme. Rullerne 4 og skiverne 7 roterer derved modsat hinanden og iøvrigt med samme hastighed. Båndene 1 er forsynet med en grov overflade, der giver forholdsvis god friktion mod tøjstykker, der hviler på dem, medens snorene er relativt glatte, så de kun yder moderat friktion.Against the upper side of the belts 1 rests a series of rollers 4 mounted successively on a common shaft. When the conveyor belts are driven as shown by the arrow 5 at the roller 2, the rollers are driven as shown by the arrow 6 in the opposite direction of rotation. On the shaft of the rollers 4, there are also mounted between the rollers freely running a plurality of string discs 7. Around the string discs 7 and a roll 8 with a corresponding number of grooves there are mounted a number of endless parallel ropes 9, which together form a runway. The roller 8 is driven synchronously with the conveyor belts at such angular velocity that the conveying speed and direction of the conveyor belts 1 and the runway are the same. The rollers 4 and the discs 7 thereby rotate opposite each other and otherwise at the same speed. The straps 1 are provided with a coarse surface that provides relatively good friction against clothing pieces resting on them, while the cords are relatively smooth so that they provide only moderate friction.

På båndforløbet mellem rullen 2 og rullerne 4 er der mellem båndene 1 anbragt skråt opstående fingre 10, der tjener til at løfte forkanten af et vasketøjstykke, der transporteres frem på båndene op over rullerne 4, så tøj stykket føres op på opløbsbanen med sin forreste del. I det øjeblik, hvor tøj stykket er transporteret så langt op på opløbsbanen, at en ønsket foldelinie befinder sig umiddelbart foran rullerne 4, aktiveres et foldesværd 12, der er monteret svingbart omkring en akse 13, ved hjælp af en drivcylinder 14.On the belt run between the roller 2 and the rollers 4, angled fingers 10 are arranged between the belts 1, which serve to lift the leading edge of a laundry piece which is transported on the belts up over the rollers 4, so that the clothing piece is carried up on the runway with its front part . At the moment the piece of clothing is transported so far up the runway that a desired fold line is located immediately in front of the rollers 4, a folding sword 12 mounted pivotally about an axis 13 is activated by a drive cylinder 14.

Samtidig sænkes fingrene 10, der er svingbare, om samme akse ned mellem båndene. Herved slås tøj stykket langs den ønskede foldelinie ned i det nip, der er dannet mellem båndene 1 og rullerne 4. Tøj stykket gribes af nippet, foldes skarpt mellem rullerne 4 og båndene 1 ind under overløbsbanen, hvis friktion mod tøjstykket er for lille til at forhindre den videre transport. Den positive foldevirkning af sværdet 12 i forbindelse med nippet mellem transportbåndene 1 og rullerne 4 giver en præcis foldning selv af tøj stykker, som i forvejen er foldet sammen i tre eller fire lag.At the same time, the swivel fingers 10 are lowered about the same axis between the bands. Hereby, the piece of clothing along the desired fold line is lowered into the nip formed between the belts 1 and the rollers 4. The piece of clothing is gripped by the nip, sharply folded between the rollers 4 and the belts 1 under the overflow path, whose friction against the garment is too small to prevent further transport. The positive folding effect of the sword 12 in connection with the nip between the conveyor belts 1 and the rollers 4 provides a precise folding even of clothing pieces which are already folded into three or four layers.

Drivorganet 14 kan have en neutral stilling, i hvilken fingrene 10 ikke står op over båndene 1, og hvor sværdet ikke er aktiveret. I denne neutralstilling vil et tøjstykke, som fremføres på båndene, passere under opløbsbanen og derfor ikke blive foldet.The drive means 14 may have a neutral position in which the fingers 10 do not rise above the bands 1 and where the sword is not activated. In this neutral position, a piece of clothing carried on the straps will pass under the runway and will therefore not be folded.

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Fingrene lOkan være monteret på to svingarme, der er hamgslet med kortere afstand fra hinanden på fingrene end ved deres svingakser. Fingrene vil derved kunne udføre en sammensat bevægelse, hvorved de løftede fingres spidse ender befinder sig længere fremme end den cirkelbue, som foldesværdet 12 beskriver. Tøjstykket kan derved løftes et stykke op over rullerne 4. Dette arrangement er dog ikke nødvendigt ved fx lagner eller lignende former for linned, som har passeret en strygerulle, men kan være hensigtsmæssigt ved særlig sarte og bløde stoffer.The fingers 10 may be mounted on two pivot arms which are hammered at a shorter distance from one another on the fingers than at their pivot axes. The fingers will thereby be able to perform a composite movement whereby the pointed ends of the raised fingers are further forward than the circular arc described by the folding sword 12. The piece of clothing can thereby be lifted slightly above the rollers 4. However, this arrangement is not necessary for, for example, sheets or similar types of linen which have passed through an ironing roll, but may be suitable for particularly delicate and soft fabrics.

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Claims

149550

Apparatus for folding laundry pieces comprising a conveyor path with parallel, intermittent conveyor belts (1) on which the garment is conveyed, and a running path located in the position of use of the apparatus over parallel conveyor belt (9) driven in the same transport direction as the conveyor path and which is arranged to receive the front part of the clothing piece, by means of movable fingers (10) which can be brought up between the conveyor belts (1) is lifted up on the runway, characterized in that between discs (7) ) carrying the ropes of the runway are rollers (4) resting against the conveyor belts (1), which rollers can rotate freely with respect to the washers (7), and that there is a folding sword (12) arranged for the fingers (10) being lowered to guide the piece of clothing into a nip formed between the conveyor belts (1) and the rollers (4).

Apparatus according to claim 1, characterized in that the fingers and the folding sword are arranged on a common carrier (13) driven by a single driving means (14).

Apparatus according to claim 2, characterized in that the driving means (14) has a neutral resting position in which the fingers (10) are submerged relative to the conveyor belts without the folding sword (12) touching the clothing piece and the belts.

Apparatus according to claim 1, 2 or 3, characterized in that the folding sword moves along a circular arc which, with raised fingers (10), is within the tips of the fingers.

Apparatus according to claim 4, characterized in that the fingers (10) are suspended on a double set of non-parallel arms which are arranged at the pivotal movement of the folding sword to move opposite to the pivotal movement of the folding sword. Published publications:%)