EP3529409B1 - Dispositif et procédé pour placer et extraire des chaussettes sur des/à partir de formes de chaussettes - Google Patents

Dispositif et procédé pour placer et extraire des chaussettes sur des/à partir de formes de chaussettes Download PDF

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Publication number
EP3529409B1
EP3529409B1 EP17723513.2A EP17723513A EP3529409B1 EP 3529409 B1 EP3529409 B1 EP 3529409B1 EP 17723513 A EP17723513 A EP 17723513A EP 3529409 B1 EP3529409 B1 EP 3529409B1
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EP
European Patent Office
Prior art keywords
sock
cones
socks
forms
conveyor belts
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Application number
EP17723513.2A
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German (de)
English (en)
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EP3529409C0 (fr
EP3529409A1 (fr
Inventor
Fernando DOMINGUES DOS SANTOS
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Fds Portugal Lda
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Fds Portugal Lda
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Publication of EP3529409B1 publication Critical patent/EP3529409B1/fr
Publication of EP3529409C0 publication Critical patent/EP3529409C0/fr
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C5/00—Shaping or stretching of tubular fabrics upon cores or internal frames
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C5/00—Shaping or stretching of tubular fabrics upon cores or internal frames
    • D06C5/005—Shaping or stretching of tubular fabrics upon cores or internal frames of articles, e.g. stockings

Definitions

  • the present application relates to a device and method for extracting socks from sock forms.
  • Prior art sock forming machines comprise a sock extraction system which is installed after the sock pressing station. This pressing of the socks is always effected with metal forms, preferably aluminium, placed in a vertical position and having the shape of the sock to be obtained. This vertical position is maintained during the production cycle of the machine and remains as technology used to this day since it allows the machine operator to place the socks by size onto the respective metal sock forms.
  • the socks are manually arranged on the metal sock forms and are fed into a temperature-controlled heat press and are pressed so that the sock fabric moulds to the metal sock form.
  • This rectilinear movement is effected with a clamping fork which presses the sock and performs a movement in the longitudinal direction of the foot, however the shape of the sock heel eventually becomes an obstruction at the outlet of the sock, often causing significant deformation of the loops and of the shape intended for the sock due to the effort that proves necessary for the extraction thereof.
  • Document US 5954244 discloses an apparatus for processing socks in nested pairs includes the frame and a plurality of processing stations which may include a trimming station, a pressing station, a printing station, and a doffing station as well as a nesting station.
  • the present application differs from this document because it comprises a system comprising a set of cylindrical cones and a set of conveyor belts.
  • Document US 5706987 discloses an automatic boarding machine and method in which the boarding forms are horizontally positioned for easy loading and ergonomic advantage.
  • the present application differs from this document because it comprises a system comprising a set of cylindrical cones and a set of conveyor belts.
  • Document WO 2015198276 discloses Stripping device for machines for boarding textile articles such as men's socks and the like, inserted on relative forms (F), comprising a first stripping member (2) and a second stripping member (3) provided with respective tilting frameworks (4, 8), hinged at an upper end according to horizontal parallel axes (A, B) and carrying respectively a first stripping band (5) and a second stripping band (9) that wind on a respective upper roll (6, 10) and on a respective lower roll (7,11), carried rotatable by said frameworks (4, 8); the stripping device further comprises laminar grip members (12, 13) converging upwards and cooperating for applying a gripping force on the textile article to be stripped.
  • the present application differs from this document because it comprises a system comprising a set of cylindrical cones and a set of conveyor belts.
  • the present application describes a device for placing and extracting socks from sock forms, comprising a structure (1); a guide (2) attached to the structure (1) whereby a set of sock forms (3) moves; characterized in that it comprises a system comprising a set of cylindrical cones (5); a set of conveyor belts (6) and a set of suction elements (12) and wherein the sock forms (3) can be positioned vertically along the guide (2) and can be conveyed by the guide (2) until they are positionable horizontally by means of a first cam (4) ; and wherein a pair of the set of said cylindrical cones (5) are positioned in an area corresponding to the centre of the sock heel and are closable against the sock form (3) in order to obtain pressure on the fabric of a sock in that position by a vertical movement; wherein each sock form (3) is positionable between a pair of conveyor belts of the set of said conveyor belts (6) and the pair of cones (5) and that action is controlled by a pneumatic cylinder (1
  • the device comprises two bearings, an inner stationary bearing (7) and an outer mobile bearing (8) tensioned by a spring (9) at the base of each sock form (3).
  • the cones (5) have a spiral channel containing a rubber cord (10).
  • the cones (5) are configured to operate with independent and different programmed speeds through parameterization.
  • the conveyor belts (6) are configured to move simultaneously and alongside with the rotational movements carried out by the set of cones (5).
  • the conveyor belts (6) are configured to operate with independent programmed speeds and to be closed by pneumatic movements against the sock form (3) by exerting pressure thereon and on the fabric of the sock.
  • the device comprises a slat conveyor belt (14) whereon the socks are dropped and which is configured to position them so as to allow the set of suction elements (12) to operate.
  • the set of suction elements (12) are driven by means of an arm (15).
  • the device comprises a further conveyor belt (16) and a support table, wherein the arm (15) is configured to move the suction elements (12) with the socks to drop them onto the further conveyor belt (16) leading to the support table.
  • a 90° upward pivoting from the starting (horizontal) position of the sock forms (3) occurs by means of a second cam (13).
  • all movements are processed in synchronism by a controller device.
  • the controller device allows the registration of parameters, in particular: pressure on the fabric; individual speeds and timing of the cylindrical cones (5) and conveyor belts (6); synchronism between the arm (15), slat conveyor belt (14) and suction elements (12).
  • the present application further describes a method for placing and extracting socks from sock forms comprising the steps of guiding a set of vertical sock forms (3) with socks thereon along the guide (2), positioning each vertically orientated sock form (3) horizontally between the pair of cones (5) and the pair of conveyor belts (6) respectively, closing the pair of cones (3) and pair of conveyor belts (6) for each sock form (3) to exert pressure on the sock on the sock form (3) respectively , rotationally driving the cones (5) and conveyor belts (6) thereby extracting the socks from the sock forms (3), wherein the positioning of the cones (5) is oriented so that the larger diameter of the cone (5) acts on the outer side of the sock heel and the smaller diameter of the cone (5) acts on the inner side the sock.
  • a diameter ratio of the cones (5) is predicted as a function of the greater amount of fabric present on the outer side of the sock heel.
  • the extraction of the sock is carried out by performing a non-rectilinear rotational movement in the heel of said sock.
  • a greater extraction of fabric occurs on the outer side of the sock heel, via the larger diameter of the cone (5) positioned in that area, and a less extraction of fabric occurs on the side of the instep, by means of the smaller diameter of the cone (5) positioned in that area.
  • the extraction of the socks starts with the heel extraction movement through the rotational movement of the cones (5) and concludes with the movement of the conveyor belts (6) for total extraction.
  • a device and method for placing and extracting socks from sock forms comprises a structure (1) comprising a guide (2) of the movement line, whereby a set of sock forms (3) moves, wherein the socks are arranged, said sock forms (3) being positioned vertically along the path on the guide (2) of the movement line, being positioned horizontally at a certain height in the path by means of a first cam (4); a system comprising a set of cylindrical cones (5), which allow extracting each sock by (non-rectilinear) rotational movement on the area corresponding to the sock heel, a set of conveyor belts (6) and a set of suction elements (12) of the socks for subsequent packing.
  • Said sock forms (3) are made of metal material, preferably aluminium, in which the socks intended to be placed on the form are manually arranged. As mentioned above, said sock forms (3) are positioned vertically along the guide (2) which moves them so as to be able to pass through the steps of placing the sock forms.
  • the guide (2) conveys them to a heat press (not shown in the figures), where they take their definitive shape. They are then directed to the extraction stage, which forces the sock forms (3) to be positioned horizontally, using a stationary stop for the positioning thereof. It should be noted that the guide (2) of the movement line is placed on supports attached to the structure (1), along the entire perimeter of the device, the attachment thereof being effected by welding or screws.
  • each sock form (3) In order to ensure a smooth movement, during the lowering thereof to the starting position, two bearings, an inner stationary bearing (7) and an outer mobile bearing (8) tensioned by a spring (9) are mounted on the base of each sock form (3) so as to maintain a constant and smooth adjustment against the guide (2), in the entire moving process of each sock form (3).
  • the sock forms (3) After stopping the sock forms (3) and already in the horizontal position, they are positioned between two cylindrical cones (5), which will in turn be positioned in the space corresponding to the centre of the sock heel, as shown in figure 4 .
  • the cones (5) have a spiral channel to allow the placement of a rubber cord (10) on the surface thereof, which will act on the mesh of the sock, exerting pressure and traction thereon, in order to allow the extraction thereof.
  • Independent and different programmed speeds are applied to the cones (5) through parameterization and whenever extraction difficulties occur.
  • the mechanical adjustment of the pressure exerted by the cones (5) onto the sock fabric is carried out by a vertical movement for closing the cones (5) and the conveyor belts (6), controlled by a pneumatic cylinder for opening and closing the cones (11) and a pneumatic cylinder for opening and closing the belts (17) respectively.
  • the positioning of the cones (5) is oriented so that the larger diameter of the cone (5) acts under the outer side of the sock heel and the smaller diameter of the cone (5) acts under the inner side the sock, between the instep and the leg.
  • the diameter ratio of the cones (5) namely larger diameter and smaller diameter, was predicted as a function of the greater amount of mesh present on the outer side of the sock heel. This positioning allows the extraction of the sock to be carried out by performing a non-rectilinear rotational movement in the heel of said sock. In this way, it is guaranteed that the fabric composing the sock does not undergo any type of deformation.
  • the rotational movement of the sock heel occurs because the cones (5) are in rotation and because there is a pneumatic movement closing said cones (5) against the sock form (3) in order to obtain a pressure under the mesh of the sock.
  • a greater extraction of the mesh occurs on the outer side of the sock heel, via the larger diameter of the cone (5) positioned in that area, and a less extraction of mesh occurs on the side of the instep, by means of the smaller diameter of the cone (5) positioned in that area, as shown in figure 5 .
  • the two conveyor belts (6) are simultaneously moved, arranged in the upper and lower position in relation to the sock form (3) in parallel with the rotational movements carried out by the cones (5), as shown in Figure 4 .
  • These conveyor belts (6) have independent programmed speeds and are closed by pneumatic movements on the sock form (3) and exert pressure thereon, consequently, also on the mesh of the sock.
  • the extraction methodology of the sock starts with the heel extraction movement through the rotational movement of the cones (5) and concludes with the movement of the conveyor belts (6) for total extraction.
  • the socks are dropped on a slat conveyor belt (14) which positions them so as to allow the suction elements (12) to operate. These are actuated by means of an arm (15), which, after the socks are collected, will move them towards the conveyor belt leading to the support table (16), whereupon the socks are released, which are then sent to the support table to be manually collected for subsequent labelling and packaging as shown in figures 8 , 9 and 10 .
  • Performing all movements synchronously is processed from a controller device designed specifically for adjusting and managing of the device.
  • the controller device allows the registration of the various parameters to be considered before starting the process of placing the socks in the sock forms, such as:
  • the 90° upward pivoting of the sock forms (3) from the starting position, the horizontal position is carried out upon new mechanical movement made possible by the action of a second metal cam (13).
  • the sock forms (3) return to the vertical position, being able to receive further socks and proceed with the process.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (17)

  1. Dispositif pour le placement et l'extraction de chaussettes sur des/à partir de formes de chaussette comprenant
    une structure (1) ;
    un guide (2), fixé à la structure (1), grâce auquel un ensemble de formes de chaussette (3) se déplace ;
    caractérisé en ce qu'il comprend un système comprenant
    un ensemble de cônes cylindriques (5) ;
    un ensemble de bandes transporteuses (6) et
    un ensemble d'éléments d'aspiration (12) et
    en ce que les formes de chaussette (3) peuvent être positionnées verticalement le long du guide (2) et peuvent être transportées par le guide (2) jusqu'à ce qu'elles puissent être positionnées horizontalement au moyen d'une première came (4) ; et
    en ce qu'une paire de l'ensemble desdits cônes cylindriques (5) est positionnée dans une zone correspondant au centre du talon de la chaussette et peuvent être fermés contre la forme de chaussette (3) de manière à obtenir une pression sur le tissu de la chaussette en cette position par un mouvement vertical ;
    en ce que chaque forme de chaussette (3) peut être positionnée entre une paire de bandes transporteuses de l'ensemble desdites bandes transporteuses (6) et la paire de cônes (5) et en ce que l'action est commandée par un cylindre pneumatique (11) pour l'ouverture et la fermeture de ladite paire de cônes (5) et un cylindre pneumatique (17) pour l'ouverture et la fermeture de la paire de bandes (6) respectivement.
  2. Dispositif selon la revendication précédente, caractérisé en ce qu'il comprend deux roulements, un roulement fixe interne (7) et un roulement mobile externe (8) tendu par un ressort (9) sur la base de chaque forme de chaussette (3).
  3. Dispositif selon la revendication 1, caractérisé en ce que les cônes (5) ont un canal en spirale et en ce que ledit canal contient un cordon en caoutchouc (10).
  4. Dispositif selon la revendication précédente, caractérisé en ce que les cônes (5) sont configurés pour fonctionner avec des vitesses programmées indépendantes et différentes grâce à un paramétrage.
  5. Dispositif selon la revendication 1, caractérisé en ce que les bandes transporteuses (6) sont configurées pour se déplacer simultanément et en parallèle avec les mouvements de rotation effectués par l'ensemble de cônes (5).
  6. Dispositif selon la revendication précédente, caractérisé en ce que les bandes transporteuses (6) sont configurées pour fonctionner avec des vitesses programmées indépendantes et pour être fermées par des mouvements pneumatiques contre la forme de chaussette (3) en exerçant une pression sur celle-ci et sur le tissu de la chaussette.
  7. Dispositif selon les revendications précédentes, caractérisé en ce qu'il comprend une bande transporteuse à lattes (14) sur laquelle les chaussettes sont déposées et qui est configurée pour les positionner afin de permettre à l'ensemble d'éléments d'aspiration (12) de fontionner.
  8. Dispositif selon la revendication précédente, caractérisé en ce que l'ensemble d'éléments d'aspiration (12) sont entraînés au moyen d'un bras (15).
  9. Dispositif selon la revendication précédente, caractérisé en ce qu'il comprend une autre bande transporteuse (16) et une table de support, dans lequel le bras (15) est configuré pour déplacer les éléments d'aspiration (12) avec les chaussettes et les déposer sur l'autre bande transporteuse (16) menant à la table de support.
  10. Dispositif selon les revendications précédentes, caractérisé par un pivotement de 90° vers le haut à partir de la position horizontale de départ des formes de chaussette {3), au moyen d'une deuxième came (13).
  11. Dispositif selon les revendications précédentes, caractérisé en ce que la réalisation de tous les mouvements en synchronisme est effectuée par un dispositif de commande.
  12. Dispositif selon la revendication 11, caractérisé en ce que le dispositif de commande permet l'enregistrement de paramètres, en particulier : la pression sur le tissu ; les vitesses individuelles et la synchronisation des cônes cylindriques (5) et des bandes transporteuses (6) ; le synchronisme entre le bras (15), la bande transporteuse à lattes (14) et les éléments d'aspiration (12).
  13. Procédé pour le placement et l'extraction de chaussettes sur des/à partir de formes de chaussette selon l'une quelconque des revendications 1 à 12, comprenant les étapes :
    du guidage d'un ensemble de formes de chaussette verticales (3) avec des chaussettes dessus le long du guide (2), du positionnement de chaque forme de chaussette orientée verticalement (3) horizontalement entre la paire de cônes (5) et la paire de bandes transporteuses (6), respectivement, la fermeture de la paire de cônes (3) et de la paire de courroies transporteuses (6) pour chaque forme de chaussette (3) pour exercer une pression sur la chaussette sur la forme de chaussette (3) respectivement, de l'entraînement en rotation des cônes (5) et des bandes transporteuses (6) en extrayant ainsi les chaussettes des formes de chaussette (3), dans lequel le positionnement des cônes (5) est orienté de sorte que le diamètre plus grand du cône (5) agisse sur le côté externe du talon de la chaussette et que le diamètre plus petit du cône (5) agisse sur le côté interne de la chaussette.
  14. Procédé pour le placement et l'extraction de chaussettes sur des/à partir de formes de chaussette dans un dispositif selon la revendication précédente, caractérisé en ce qu'un rapport des diamètres des cônes (5), à savoir un diamètre plus grand et un diamètre plus petit, est prévu en fonction de la plus grande quantité de tissu présente sur le côté externe du talon de la chaussette.
  15. Procédé pour le placement et l'extraction de chaussettes sur des/à partir de formes de chaussette selon la revendication précédente, caractérisé en ce que l'extraction de la chaussette est effectuée en réalisant un mouvement de rotation non rectiligne dans le talon de ladite chaussette.
  16. Procédé pour le placement et l'extraction de chaussettes sur des/à partir de formes de chaussette selon la revendication précédente, caractérisé en ce qu'une extraction plus importante du tissu se produit sur le côté externe du talon de la chaussette, via le diamètre plus grand du cône (5) positionné dans cette zone, et une extraction moindre du tissu se produit du côté du cou-de-pied, au moyen du diamètre plus petit du cône (5) positionné dans cette zone.
  17. Procédé pour le placement et l'extraction de chaussettes sur des/à partir de formes de chaussette selon la revendication précédente, caractérisé en ce que l'extraction des chaussettes commence par le mouvement d'extraction du talon en passant par le mouvement de rotation des cônes (5) et se termine par le mouvement des bandes transporteuses (6) pour une extraction totale.
EP17723513.2A 2016-10-20 2017-04-07 Dispositif et procédé pour placer et extraire des chaussettes sur des/à partir de formes de chaussettes Active EP3529409B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PT109691A PT109691A (pt) 2016-10-20 2016-10-20 Dispositivo e método para enformar e extrair meias
PCT/IB2017/052024 WO2018073654A1 (fr) 2016-10-20 2017-04-07 Dispositif et procédé pour placer et extraire des chaussettes sur des/à partir de formes de chaussettes

Publications (3)

Publication Number Publication Date
EP3529409A1 EP3529409A1 (fr) 2019-08-28
EP3529409B1 true EP3529409B1 (fr) 2024-02-14
EP3529409C0 EP3529409C0 (fr) 2024-02-14

Family

ID=58707962

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17723513.2A Active EP3529409B1 (fr) 2016-10-20 2017-04-07 Dispositif et procédé pour placer et extraire des chaussettes sur des/à partir de formes de chaussettes

Country Status (4)

Country Link
EP (1) EP3529409B1 (fr)
CN (1) CN110168158A (fr)
PT (1) PT109691A (fr)
WO (1) WO2018073654A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102140876B1 (ko) * 2018-05-14 2020-08-04 이이기 양말 세팅기에 사용되는 양말 인출장치
IT201900006700A1 (it) * 2019-05-09 2020-11-09 Cortese S R L Metodo e apparecchiatura per l'appaiatura di calze da uomo

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2103586U (zh) * 1991-03-13 1992-05-06 天津市织袜五厂 步进回转曲张式袜子烤定机
IT1265835B1 (it) * 1993-02-04 1996-12-12 Ma Di Maselli Maria E Frullini Metodo e macchina per stirare ed impilare calze da uomo in automatico.
IT1264252B1 (it) * 1993-10-22 1996-09-23 Carmelo Angelo Cortese Dispositivo di estrazione per macchine per il controllo, l'asciugatura e la stiratura di calze da uomo
US5706987A (en) * 1995-05-12 1998-01-13 Renfro Corporation Hosiery boarding machine and method
US5954244A (en) * 1997-09-09 1999-09-21 William H. Nichol, Jr. Apparatus for processing socks
CN102251366B (zh) * 2011-07-06 2013-01-09 叶国宣 袜子定型装置及袜子定型方法
WO2015198276A1 (fr) * 2014-06-26 2015-12-30 Cortese S.R.L. Dispositif de débourrage pour machines de mise en forme d'articles textiles
CN104233634B (zh) * 2014-07-31 2016-12-07 浙江久渔针纺织有限公司 一种袜子生产装置
CN204039688U (zh) * 2014-07-31 2014-12-24 浙江久渔针纺织有限公司 一种袜子生产装置

Also Published As

Publication number Publication date
WO2018073654A1 (fr) 2018-04-26
EP3529409C0 (fr) 2024-02-14
EP3529409A1 (fr) 2019-08-28
PT109691A (pt) 2018-04-20
CN110168158A (zh) 2019-08-23

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