EP2826904B1 - Rahmen zum Nähen von oberen Kissen auf Abdeckungshüllen für Matratzen - Google Patents

Rahmen zum Nähen von oberen Kissen auf Abdeckungshüllen für Matratzen Download PDF

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Publication number
EP2826904B1
EP2826904B1 EP14170058.3A EP14170058A EP2826904B1 EP 2826904 B1 EP2826904 B1 EP 2826904B1 EP 14170058 A EP14170058 A EP 14170058A EP 2826904 B1 EP2826904 B1 EP 2826904B1
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EP
European Patent Office
Prior art keywords
frame
shell
walls
wall
sewing
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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.)
Not-in-force
Application number
EP14170058.3A
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English (en)
French (fr)
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EP2826904A1 (de
Inventor
Roberto Resta
Paolo Resta
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Resta SRL
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Resta SRL
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Publication date
Application filed by Resta SRL filed Critical Resta SRL
Publication of EP2826904A1 publication Critical patent/EP2826904A1/de
Application granted granted Critical
Publication of EP2826904B1 publication Critical patent/EP2826904B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B11/00—Machines for sewing quilts or mattresses
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B19/00—Programme-controlled sewing machines
    • D05B19/02—Sewing machines having electronic memory or microprocessor control unit
    • D05B19/12—Sewing machines having electronic memory or microprocessor control unit characterised by control of operation of machine
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B39/00—Workpiece carriers
    • D05B39/005—Quilting frames
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/30—Details
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B75/00—Frames, stands, tables, or other furniture adapted to carry sewing machines
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2503/00—Domestic or personal

Definitions

  • the present invention relates to a frame for sewing upper pillows on covering shells for mattresses.
  • the coupling can be fixed (for example by way of stitch lines and/or edging) or detachable (for example using zip fasteners and/or strips of Velcro® and the like).
  • This embodiment involves the arrangement of a padded pillow of varying thickness on the top of the mattress, so as to define a soft layer at the surface upon which the users lie.
  • this pillow is, generally, a few centimeters (starting from a minimum of approximately one centimeter up to 5 or more centimeters); despite the scant thickness, the interposition of this pillow between the mattress itself and the sheet offers the user a sensation of great comfort.
  • placing the pillow top on the respective shell and the corresponding mutual coupling are operations that are generally performed manually by specialist craftworkers.
  • EPA 14157884.9 discloses and claims a particular frame that enables an easy mutual positioning of the components on which it is necessary to execute the sewing operations (the shell and the upper pillow).
  • the presence of such frame also makes it possible to identify a new type of optimized sewing machine that adopts it, and a new method of producing mattresses provided with "pillow tops”.
  • the Italian patent application no. BO 2013A000211 relates to an improved machine that is adapted to sew the upper pillow to a respective shell and which requires only a minimal intervention by operators.
  • the influence of labor on the cost of the product can be such as to render the technical solutions disclosed in the two patent applications cited above insufficient to achieve an objective of economy of optimal execution, which is required by the makers of mattresses.
  • US-A-3 180 293 discloses a quiering machine comprising upper and lower perimetric frames and a stationary sash-like railframe.
  • the aim of the present invention is to solve the above mentioned drawbacks, by providing a frame for sewing upper pillows on covering shells for mattresses which is suitable for automating the operations to juxtapose the upper pillow with the respective shell.
  • an object of the invention is to provide a frame for sewing upper pillows on covering shells for mattresses which does not require intervention by operators for the change of format operations.
  • Another object of the invention is to provide a frame for sewing upper pillows on covering shells for mattresses which makes it possible to increase the productivity of the machine and/or plant in which it is installed.
  • Another object of the invention is to provide a frame for sewing upper pillows on covering shells for mattresses which makes it possible to obtain a juxtaposition with optimal alignment of the upper pillow with the respective shell in order to achieve a constant and high qualitative standard of the semi-finished products that it produces.
  • Another object of the present invention is to provide a frame for sewing upper pillows on covering shells for mattresses which is low cost, easily and practically implemented and safe in use.
  • a frame for sewing upper pillows on covering shells for mattresses which comprises four perimetric walls, each wall being perpendicular to the two contiguous walls and comprising at least one laminar portion that constitutes a resting surface, said laminar portion being co-planar with a lower edge of said wall, at least one of said walls comprising at least one locking element for at least one component, selected from between an upper pillow and a covering shell, arranged on a respective laminar portion, characterized in that at least one of said walls comprises at least two bands that are mutually aligned and can slide with respect to each other in order to vary the overall length of the wall, between said at least two bands of said wall there being interposed a linear actuator for the controlled mutual sliding thereof, said actuator being adapted to be controlled by a respective control and management unit of a sewing machine that is functionally associatable with said frame.
  • the reference numeral 1 generally designates a frame for sewing upper pillows on covering shells for mattresses.
  • the frame 1 according to the invention in an embodiment thereof that is particularly simple and functional, comprises four perimeter walls 2.
  • Each wall 2 is perpendicular to the two walls 2 that are contiguous thereto and comprises at least one laminar portion 3 that constitutes a resting surface: the shell that is intended to line one half of the mattress will be laid on such surface, and the pillow top will subsequently be fixed on such shell.
  • the laminar portion 3 in order to obtain a structure that is functional and with contained encumbrances, will preferably be co-planar with a lower edge of the wall 2: in essence the laminar portion 3 will constitute a lower frame of the walls 2 that is designed to define a resting base for the shell.
  • At least one of the above mentioned walls 2 will comprise at least one locking element 4 for at least one component, selected from between an upper pillow and a covering shell, which is arranged in turn on a respective laminar portion.
  • At least one of the walls 2 comprises at least two bands, respectively 5 and 6 (on the short walls 2, with particular reference to the accompanying figures) and 7 and 8 (on the long walls 2, with particular reference to the accompanying figures) which are mutually aligned and can slide with respect to each other in order to vary the overall length of the wall 2 that they define.
  • the actuator 9 and/or 10 will in turn be controlled by a respective control and management unit of the sewing machine that is functionally associated with the frame 1.
  • the control and management unit will send specific signals to the linear actuators 9 and 10 in order to adjust the dimensions of the frame 1 so that it will be able to correctly accommodate the respective shell and, obviously, also the corresponding pillow (as specified below).
  • control and management unit will command the locking means 4 to lock the shell on the laminar portions 3.
  • the arrangement of the pillow on top of the shell that was previously coupled to the frame 1 can be done manually by an operator and/or be completely automated, comprising respective apparatuses for depositing the pillow on the frame 1, for example of the type disclosed in Italian patent application no. BO 2013A000211 .
  • the at least two bands 5 and 6 are coaxial, one at least partially inside the other.
  • the bands 5, 6 and/or 7, 8 are able to slide telescopically, one inside the other, by way of the action of the respective linear actuator 9 and 10 (respectively) in order to vary the overall length of the respective wall 2.
  • all four of the walls 2 are constituted by at least two bands 5, 6 and 7, 8.
  • At least two contiguous walls 2 will comprise a respective actuator 9 and/or 10 for varying the length and the width of the frame 1.
  • each wall 2 will comprise a respective actuator 9 and/or 10 for varying the length and the width of the frame 1.
  • the actuator 9 and 10 is of the type selected preferably from among a hydraulic cylinder, a pneumatic cylinder, a motor assembly 11, 12 and an endless screw 13, 14, a linear induction motor, an oscillating slot link, an apparatus provided with a rack and pinion, and the like.
  • the locking element 4 can conveniently comprise at least one angular abutment 4a that can move from a first configuration, for the insertion of the shell in the frame 1, in which it is arranged substantially outside the walls 2, to a second configuration, for locking the corners of the shell, juxtaposed with the laminar resting portion 3 for the shell at the corners of the shell.
  • a second configuration for locking the corners of the shell, juxtaposed with the laminar resting portion 3 for the shell at the corners of the shell.
  • the corners of the shell will be aligned and accommodated in the corners of the frame 1, and locked there by the respective angular abutments 4a.
  • angular abutments 4a are capable of moving and adapting to the variations in dimensions of the frame 1, enable an effective locking of the shell, ensuring that it is completely spread out on the frame and that there are no overlaps, wrinkles or arrangements that are not compliant with the requirements of the subsequent sewing.
  • a locking element 4 that comprises a bracket 15 that can move from a first configuration (substantially open), for the insertion of the shell in the frame 1 (resting on the laminar portions 3), in which it is arranged substantially outside the walls 2, to a second configuration, for locking the shell, in which such bracket 15 is juxtaposed with the laminar portion 3 and thus is resting on the shell.
  • the shell When the bracket 15 is in the second configuration, the shell is thus clamped between the laminar portions 3 and the bracket 15, and is thus rigidly locked on the frame 1: different types of embodiment are possible, including the solution of undoubted practical interest in which the shell is held on the laminar portions 3 on the four sides of the frame 1. Embodiments are not ruled out in which the shell is locked on the laminar portions 3 only on two mutually opposite sides of the frame 1.
  • the locking element 4 further comprises a retention tab 16 that can move from a first configuration, for the insertion of the pillow in the frame 1 on top of the shell (which was previously locked on the frame 1 by way of the bracket 15), in which it is arranged substantially outside the walls 2, to a second configuration, for locking the pillow on the shell, in which such retention tab 16 is juxtaposed with the laminar portion 3, with the interposition of the shell, of the bracket 15, and of the pillow.
  • the at least one laminar portion 3 constitutes a resting surface that is extended along the entire length of the respective wall 2, thus accommodating the shell and the pillow and supporting the perimeter thereof.
  • the laminar portions 3 of the walls 2 thus define a lower resting border that lies on the plane that contains the lower edge of the walls 2.
  • the angular abutment 4a, the resting bracket 15 and the retention tab 16 are associated with the frame 1 with respective articulation elements 17, 18 that are controlled by specific actuation means 19 and 20 (in the accompanying figures the articulation elements and the actuation means for the movement of the angular abutment 4a are not specifically shown since they are apparatuses of the conventional type, which may be substituted with others that have the same functional characteristics and are based on different principles).
  • the actuation means 19 and 20 which are generally constituted by controlled electric motors (however, the possibility is not ruled out in which they are operated manually), can also be controlled by the control and management unit for the automation of the movements of the bracket 15 and of the tab 16.
  • actuation means 19, 20 that are manually controlled, i.e. handled by the operator who operates the frame 1.
  • the sequence for locking the shell and pillow on the frame thus involves the positioning of the shell on the frame 1, the locking of the respective corners with the angular abutments 4a, the arrangement of the supporting brackets 15 along the sides of the shell, the juxtaposition of the pillow on the shell in the frame, and the corresponding locking with the retention tab 16.
  • This sequence ensures an optimal arrangement of shell and pillow in order to be able to subject them to the subsequent sewing.
  • a specific high-efficiency and optimally-productive application of the present invention is the implementation of a machine 100 for sewing upper pillows on covering shells for mattresses, which comprises a supporting structure 101 for at least one retention frame 1 for upper pillows and covering shells for mattresses.
  • the frame 1, once arranged on the machine 100, will be associated with respective movement elements that are arranged on the structure 101.
  • the machine 100 will further comprise a guiding track 102 for at least one sewing head 103.
  • the sewing head 103 will in turn be able to perform a translational movement along the track 102 in a direction that is perpendicular to the movement direction of the frame 1 on the structure 101.
  • the machine 100 comprises a control and management unit 104 that is provided with at least one memory stage for storing data strings.
  • the stored data strings will relate to a plurality of predefined measurements of upper pillows and covering shells for mattresses and to parameters for sewing each single pillow on the shell.
  • control and management unit 104 will further comprise a user interface, which in particular comprises a display screen 105 and a keypad 106, for entering and selecting the data strings.
  • the possibility is not excluded of connecting the unit 104 to a computer network and/or directly to a computer, using the keyboard and screen of a personal computer for entering and/or modifying data.
  • the structure 101 will comprise positively a recess at the sewing head 103: such recess must allow the needle of the sewing head 103 to move to a level lower than that of the structure 101 itself (thus passing through the shell and the pillow that are placed on the frame 1 that is arranged on the structure 101) in order to complete each stitch via a respective abutment.
  • the guiding track 102 can be arranged substantially at the centerline of the machine 100, and in such case the structure 101 will be constituted by a sliding surface of size adapted to the accommodation and movement of at least one frame 1: the elements for the movement of the frame 1 on the structure 101 will be of the type selected from among belts, preferably of the toothed type, gearwheels and racks and chains.
  • This construction choice is dictated by the necessity to precisely define the instantaneous position of the frame 1 at every moment: the presence of teeth (toothed belts, and gearwheels) or links (chains) enables a very precise movement of the frame 1 on the structure 101.
  • the movement elements will in turn be coupled to at least one respective actuation motor that is controlled, as explained previously, by the control and management unit 104.
  • the coordinated movement of the frame 1 on the structure 101 and of the sewing head 103 along the track 102 makes it possible to provide lines and portions of stitching of any length, direction, and shape, optionally even with superimpositions thereof, which enable the creation di embroidery, patterns and the like.
  • the sewing head 103 will be functionally associated with a respective abutment that is controlled by it: such abutment will be adapted to the completion of the sewing operations (comprising thus the elements necessary for the formation of the single stitch, such as the crochet hook and the corresponding spool of thread).
  • the shell must be locked with the bracket 15.
  • the frame 1 can thus be aligned with the sewing head 103 which will perform the coupling, by way of stitch lines, of the upper pillow and of the covering shell.
  • the present invention solves the above mentioned problems, by providing a frame 1 for sewing upper pillows on covering shells for mattresses which is adapted to the automation of the operations for mutual juxtaposition of the two components that it is designed to contain.
  • the frame 1 makes it possible to increase the productivity of the machine 100 and/or plant in which it is installed.
  • the frame 1 makes it possible to obtain a juxtaposition with optimal alignment of the upper pillow with the respective shell in order to achieve a constant and high qualitative standard of the semi-finished products that it produces.
  • the materials employed, as well as the dimensions, may be any according to requirements and to the state of the art.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Claims (11)

  1. Rahmen zum Nähen von Polsterauflagen auf Außenhüllen für Matratzen, der vier Umfassungswände (2) umfasst; wobei jede Wand (2) senkrecht zu den beiden angrenzenden Wänden (2) ausgebildet ist und mindestens einen flächigen Abschnitt (3) umfasst, der eine Auflagefläche bildet, wobei der flächige Abschnitt (3) zu einer Unterkante der Wand (2) koplanar ausgebildet ist, wobei mindestens eine der Wände (2) mindestens ein Arretierungselement (4) für mindestens eine Komponente, ausgewählt aus einer Polsterauflage und einer Außenhülle, umfasst, die auf einem entsprechenden flächigen Abschnitt (3) angeordnet ist/sind, dadurch gekennzeichnet, dass mindestens eine der Wände (2) mindestens zwei Leisten (5, 6) und (7, 8) umfasst, die miteinander fluchten und sich gegeneinander verschieben können, um die Gesamtlänge der Wand (2) zu verändern, wobei zwischen den mindestens zwei Leisten (5, 6) und (7, 8) der Wand (2) ein Linearaktuator (9, 10) für ihre kontrollierte gegenseitige Verschiebung eingesetzt ist, wobei der Aktuator (9, 10) dazu ausgebildet ist, dass er von einer entsprechenden Steuerungs- und Führungseinheit einer Nähmaschine (100) angesteuert wird, die dem Rahmen (1) funktional zuordenbar ist.
  2. Rahmen nach Anspruch 1, dadurch gekennzeichnet, dass die mindestens zwei Leisten (5, 6) und (7, 8) koaxial ausgebildet sind, wobei eine mindestens abschnittsweise in der anderen angeordnet ist, und unter dem Einfluss des Aktuators (9, 10) teleskopartig verschiebbar sind, um die Gesamtlänge der entsprechenden Wand (2) zu verändern.
  3. Rahmen nach Anspruch 1, dadurch gekennzeichnet, dass die Wände (2), die durch mindestens zwei Leisten (5, 6) und (7, 8) gebildet sind, in einer Anzahl von vier vorhanden sind, wobei mindestens zwei angrenzende Wände (2) einen entsprechenden Aktuator (9, 10) umfassen, um die Länge und Breite des Rahmens (1) zu verändern.
  4. Rahmen nach Anspruch 3, dadurch gekennzeichnet, dass jede Wand (2) einen entsprechenden Aktuator (9, 10) umfasst, um die Länge und Breite des Rahmens (1) zu verändern.
  5. Rahmen nach Anspruch 1, dadurch gekennzeichnet, dass der Aktuator (9, 10) von einem Typ ist, der aus einem Hydraulikzylinder, einem Pneumatikzylinder, einer Motorbaugruppe (11, 13) und einer Endlosschraube (12, 14), einem linearen Induktionsmotor, einem beweglichen Schlitzglied, einer Vorrichtung mit Zahnstangenantrieb und dergleichen ausgewählt ist.
  6. Rahmen nach Anspruch 1, dadurch gekennzeichnet, dass das Arretierungselement (4) mindestens einen Winkelanschlag (4a) umfasst, der beweglich ist von einer ersten Stellung, zum Einführen der Hülle in den Rahmen (1), in der er im Wesentlichen außerhalb der Wände (2) angeordnet ist, in eine zweite Stellung, zum Festhalten der Ecken der Hülle, neben dem flächigen Auflageabschnitt (3) für die Hülle an den Ecken der Hülle, wobei die Ecken der Hülle in den Ecken des Rahmens (1) ausgerichtet und aufgenommen sind.
  7. Rahmen nach Anspruch 1, dadurch gekennzeichnet, dass das Arretierungselement (4) einen Bügel (15) umfasst, der beweglich ist von einer ersten Stellung, zum Einführen der Hülle in den Rahmen (1), in der er im Wesentlichen außerhalb der Wände (2) angeordnet ist, in eine zweite Stellung, zum Festhalten der Hülle, neben dem flächigen Auflageabschnitt (3) für die Hülle.
  8. Rahmen nach Anspruch 1, dadurch gekennzeichnet, dass das Arretierungselement (4) einen Haltestreifen (16) umfasst, der beweglich ist von einer ersten Stellung, zum Einführen des Polsters in den Rahmen (1) über der Hülle, in der er im Wesentlichen außerhalb der Wände (2) angeordnet ist, in eine zweite Stellung, zum Festhalten des Polsters auf der Hülle, neben dem flächigen Auflageabschnitt (3), wobei der mindestens eine flächige Abschnitt (3) eine Auflagefläche bildet, die entlang der gesamten Länge der entsprechenden Wand (2) liegt, wobei die flächigen Abschnitte (3) der Wände (2) einen unteren Auflagerand definieren, der in der Ebene liegt, die die Unterkante der Wände (2) enthält.
  9. Rahmen nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Winkelanschlag (4a), der Auflagebügel (15) und der Haltestreifen (16) dem Rahmen (1) mittels entsprechender Gelenkelemente (17, 18) zugeordnet sind, die durch spezielle Betätigungsmittel (19, 20) angesteuert werden.
  10. Maschine zum Nähen von Polsterauflagen auf Außenhüllen für Matratzen vom Typ umfassend eine Trägerstruktur (101) für mindestens einen Halterahmen (1) für Polsterauflagen und Außenhüllen für Matratzen, dem entsprechende Bewegungselemente zugeordnet sind, die auf der Struktur (101) angeordnet sind, und eine Führungsbahn (102) für mindestens einen Nähkopf (103), wobei der Nähkopf (103) dazu ausgebildet ist, dass er eine Translationsbewegung entlang der Bahn (102) in eine Richtung ausführt, die senkrecht ist zur Bewegungsrichtung des Rahmens (1) auf der Struktur (101), dadurch gekennzeichnet, dass sie eine Steuerungs- und Führungseinheit (104) umfasst, die mit mindestens einer Speichereinrichtung zum Speichern von Datenabfolgen, die eine Mehrzahl von vordefinierten Abmessungen von Polsterauflagen und Außenhüllen für Matratzen und Parameter zum Annähen des Polsters auf die Hülle betreffen, versehen ist, die einer Benutzerschnittstelle (105, 106) zum Eingeben und Auswählen der Datenabfolgen zugeordnet ist, wobei mindestens eine Wand (2) des Rahmens (1) mindestens zwei Leisten (5, 6) und (7, 8) umfasst, die miteinander fluchten und sich gegeneinander verschieben können, um die Gesamtlänge der Wand (2) zu verändern, wobei zwischen den mindestens zwei Leisten (5, 6) und (7, 8) der Wand (2) ein Linearaktuator (9, 10) für ihre gegenseitige Verschiebung eingesetzt ist, der von ihnen betätigt wird und von der Steuerungs- und Führungseinheit (104) angesteuert wird.
  11. Maschine nach Anspruch 10, dadurch gekennzeichnet, dass die Bewegungselemente und ein Gleitstück, das sich entlang der Führungsbahn (102) bewegen kann und mit dem Nähkopf (103) integral ausgebildet ist, von der Steuerungs- und Führungseinheit (104) angesteuert werden.
EP14170058.3A 2013-07-17 2014-05-27 Rahmen zum Nähen von oberen Kissen auf Abdeckungshüllen für Matratzen Not-in-force EP2826904B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000374A ITBO20130374A1 (it) 2013-07-17 2013-07-17 Telaio per la cucitura di cuscini superiori su valve di rivestimento per materassi.

Publications (2)

Publication Number Publication Date
EP2826904A1 EP2826904A1 (de) 2015-01-21
EP2826904B1 true EP2826904B1 (de) 2016-03-23

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US (1) US20150020722A1 (de)
EP (1) EP2826904B1 (de)
IT (1) ITBO20130374A1 (de)

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CN104790127B (zh) * 2015-04-14 2017-09-26 东莞市钰兴机电设备科技有限公司 一种新式有梭高速绗缝机
TWM550227U (zh) * 2016-02-23 2017-10-11 耐克創新有限合夥公司 製造工具
CN111172675A (zh) * 2020-01-20 2020-05-19 浙江美丽达被服有限公司 一种棉被加工用绗缝装置
CN111286876B (zh) * 2020-04-16 2021-10-22 台州福耐捷自动化有限公司 一种电脑绗缝机用夹料机构
CN113293526B (zh) * 2021-06-30 2024-10-11 四川中缝重工股份有限公司 一种用于夹框的夹持装置及绗缝机

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US20150020722A1 (en) 2015-01-22
ITBO20130374A1 (it) 2015-01-18

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