EP3722472B1 - Flat knitting machine with device for inserting inserts in a knitted fabric - Google Patents

Flat knitting machine with device for inserting inserts in a knitted fabric Download PDF

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Publication number
EP3722472B1
EP3722472B1 EP19167792.1A EP19167792A EP3722472B1 EP 3722472 B1 EP3722472 B1 EP 3722472B1 EP 19167792 A EP19167792 A EP 19167792A EP 3722472 B1 EP3722472 B1 EP 3722472B1
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EP
European Patent Office
Prior art keywords
knitting machine
gripper
flat knitting
insert
knitted fabric
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.)
Active
Application number
EP19167792.1A
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German (de)
French (fr)
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EP3722472A1 (en
Inventor
Chris HILLER
Martin Dölker
Frieder RANDECKER
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.)
Karl Mayer Stoll R&D GmbH
Original Assignee
Karl Mayer Stoll R&D GmbH
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.)
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Publication date
Application filed by Karl Mayer Stoll R&D GmbH filed Critical Karl Mayer Stoll R&D GmbH
Priority to EP19167792.1A priority Critical patent/EP3722472B1/en
Priority to CN202010270513.XA priority patent/CN111793887B/en
Publication of EP3722472A1 publication Critical patent/EP3722472A1/en
Application granted granted Critical
Publication of EP3722472B1 publication Critical patent/EP3722472B1/en
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B7/00—Flat-bed knitting machines with independently-movable needles
    • D04B7/30—Flat-bed knitting machines with independently-movable needles specially adapted for knitting goods of particular configuration
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind

Definitions

  • the producing knitting machine When introducing the knitted fabric during production, however, the producing knitting machine must be permanently monitored by the staff, since the knitting machine stops at the point in time at which the additional element is inserted, i.e. the production of the knitted fabric is interrupted. The result is an increased workforce.
  • the US 7,246,508 B1 describes a device for inserting elements for stabilizing the shape of the collar on a knitted fabric produced on a flat knitting machine such.
  • a stack of collar inserts is motorized together with a slide along the flat knitting machine above the needle beds until the insertion position in the knitted fabric is reached and one of the collar inserts can be inserted into the knitted fabric through the slide.
  • the DE 43 08 251 C2 shows a self-sufficient functional element which can be used, among other things, to insert additional elements into the knitted fabric.
  • This functional element is attached to the thread guide rails and therefore reduces the possible number of thread guides involved in the knitting process. In addition, the functional element hinders the movement of the thread guides, since it is always in the same area as the thread guides.
  • the object of the invention is to provide a flat knitting machine with a device for inserting inserts into a knitted fabric which avoids the disadvantages described.
  • a flat knitting machine with at least two needle beds and at least one carriage that can be moved along the needle beds, and with a device for inserting inserts into a knitted fabric, the device having a magazine for knitted fabric inserts and a gripping device with which Knitted inserts are movable from the magazine to the comb gap between the needle beds and can be inserted into a knitted fabric produced on the flat knitting machine, which is characterized in that at least the gripping device is arranged on the carriage or on guide elements of the carriage and is driven by the carriage or by a separate drive along the needle beds is movable.
  • the gripping device By arranging the gripping device on the slide of the flat knitting machine, a separate drive for moving the gripping device along the machine can be dispensed with.
  • the function of thread guides and the actual knitting process are not hindered by the gripping device when it is not needed.
  • the magazine can be arranged at another point of the knitting machine, both a stationary arrangement and an arrangement movable along the machine being possible. It is also advantageous if the magazine takes over the separation of the inserts.
  • the gripping device can thereby be designed in a structurally simpler manner.
  • the gripping device preferably has a gripper with at least one movable gripping jaw.
  • the gripper is thus able to securely pick up differently shaped inserts and to transport them to a pick-up area of the knitted fabric produced on the knitting machine.
  • the gripping jaws can have a contoured surface and / or be made of a material with good holding power. This ensures that the inserts are held securely even when the gripper moves quickly.
  • the materials used for the gripping jaws or at least for their surface are non-magnetic Materials for magnetic inserts or plastics, rubber or the like are possible.
  • the gripper can be moved by a motor at least between a rest position that does not impede the knitting process and an insertion position. If the magazine is arranged in a stationary manner on the machine and / or has no transfer devices to the gripper, a third position is required for the gripper in which it is able to remove an insert from the magazine.
  • the insert parts can be moved completely or partially to below the needle cross of the flat knitting machine with the gripper.
  • the pockets or other receptacles of the knitted fabric for the inserts are completed before the inserts are inserted. Therefore, the openings of the receptacles are also located below the needle cross. If the gripper is able to press the insert parts below the needle cross, the insert parts can be safely and completely inserted into the knitted fabric receptacles.
  • the gripper can also have an ejection mechanism for releasing the inserts into the knitted fabric.
  • Such an ejection mechanism supports the delivery of the inserts after the gripper jaws have been opened.
  • the ejection mechanism can also ensure that the inserts are pressed into the receptacles in the knitted fabric and held there.
  • the jaws of the gripper can preferably be opened to grasp the insert, then closed and opened again after moving the gripper into the insert position, an ejection device on the gripper pressing the insert into the receiving area of the knitted fabric and holding it down there.
  • the gripper can then after step d. brought back to its resting position and the knitting process continued.
  • the gripper does not hinder the movement of the carriage, the thread guide or the needles.
  • the further knitting process can preferably the receiving area of the knitted fabric for the insert, for example a pocket, is completely or partially closed and the insert is thereby secured in the knitted fabric.
  • Fig. 1 shows a schematic view of the partial area of a known flat knitting machine 100 with a front and rear needle bed, not shown here.
  • a front and rear carriage 20, 20 ', to which knitting locks 30, 30' are attached, is moved over the needle beds.
  • the flat knitting machine 100 has a device 10 for inserting insert parts 70 ( Figure 4b ) into a knitted fabric produced on the flat knitting machine, which is formed by a magazine 40 for inserts 70, which is rigidly arranged to the left of the needle beds (not shown here), and a gripping device 50 for inserts 70.
  • the magazine 40 is designed for storing and dispensing the inserts 70, which for this purpose are stored in a magazine container 41 and, if necessary, can be dispensed by means of a transport device not shown in detail here.
  • a defined delivery position of the inserts 70 can be approached with the transport device. This defined delivery position can be adapted in accordance with the possible different dimensions of the insert parts 70 to be fed.
  • Sensors are also provided which monitor the presence of insert parts 70, their position in the magazine container 41 and the position of the transport device.
  • the transport device can, for example, have a slide element which brings the respective insert 70 into a predetermined position for reception by a gripper of a device for inserting an insert 70.
  • the initiation of movement into the slide can be carried out by a motor using a gear unit, toothed rack, belt drive, etc.
  • An NFC writer 47 is also attached to the magazine 40, which makes it possible to transfer data to microchips integrated in the insert 70.
  • the gripping device 50 is attached to the side of the slide 20 and is therefore moved along with it.
  • the gripping device 50 takes over the inserts 70 brought by the magazine 40 into the defined delivery position from the magazine 40 and introduces them into a predefined receiving area within a knitted piece (not shown here) which is currently being produced on the flat knitting machine 100.
  • FIGS. 2a-6b show a schematic view of the sequence of inserting an insert 70 by the gripping device 50, each based on a perspective view (a) and a section (b) through the flat knitting machine 100, starting in the rest position of the gripper 51 of the gripping device 50.
  • the Fig. 2a, b show the gripping device 50 with a gripper 51, the gripper 51 being in a rest position. For this purpose, it is pivoted into a rear end position. In this position, the gripper 51 cannot with elements such.
  • B. thread guides 60 etc. collide when the carriage 20, 20 'executes movements over the needle beds to act on elements necessary for knitting, such as needles or sinkers.
  • the gripper 51 of the gripping device 50 moves from its rear end position or rest position, driven by a first motor 58, into a vertical position in which the insert 70 can be safely gripped .
  • the gripping jaws 52, 52 ′ of the gripper 51 driven by a second motor 59, move away from one another and thus free a space for receiving the insert 70.
  • the opposite gripping jaw 52 is rigid. But it is also conceivable to move both gripping jaws 52, 52 '.
  • FIGS. 4a, 4b show a view in which the insert 70 is pushed into a Defined receiving position was moved between the gripping jaws 52, 52 'and the gripping jaws 52, 52' were moved towards each other by means of the second motor 59 and thus keep the insert 70 clamped between them.
  • FIGs 5a, 5b the gripping device 50 is shown after the carriage 20, 20 'has been moved over the knitting area of the flat knitting machine 100 to a position at which the insert 70, which is held between the gripping jaws 52, 52' of the gripper 51, into the formed knitted fabric should be inserted.
  • a pocket can be formed as a receiving area for the insert 70 in the knitted fabric.
  • the movement is a pivoting movement, initiated by the first motor 58.
  • the movement can alternatively also be carried out linearly or in any combination of rotational and linear movements .
  • the insert 70 is inserted into the pocket formed in the previous knitting process.
  • Figures 6a, 6b show a view of the gripping device 50 after the gripping jaws 52, 52 'have been opened by means of the second motor 59 and, likewise by means of the second motor 59, an ejection device 53 on the gripper 51 has been moved from an upper rest position in the direction of the comb gap 80 into an ejection position .
  • the insert 70 is moved out of the area between the gripping jaws 52, 52 'and into the receiving area of the knitted fabric.
  • the carriage 20, 20 ′ is then moved in the direction of the magazine 40 counter to its previous knitting direction.
  • the gripper 51 and the ejector 53 remain in their in the Figures 6a, 6b positions shown.
  • the insert 70 is securely slipped into the knitted fabric.
  • the knitting process for the knitted fabric can be resumed. It can, for. B. the pocket into which the insert 70 was introduced, can be partially or completely closed.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)

Description

Es werden heutzutage immer höhere Ansprüche an ein auf einer Flachstrickmaschine gefertigtes Gestrick gestellt. Insbesondere werden immer kompliziertere Musterungs- und Designmöglichkeiten gefordert. Außerdem soll die Anzahl an notwendigen Folgeprozessen im Anschluss an den Strickprozess reduziert werden. Dies ist insbesondere für so genannte Smart Textiles bedeutsam, die Zusatzfunktionen durch Integration von Elementen wie Sensoren, Chips, Batterien oder LEDs ausüben. Diese Einlegeteile werden bisher meist per Hand während oder nach der Produktion des Gestricks in dieses eingebracht.Nowadays, ever higher demands are placed on a knitted fabric made on a flat knitting machine. In particular, more and more complex pattern and design options are required. In addition, the number of necessary follow-up processes following the knitting process should be reduced. This is particularly important for so-called smart textiles , which perform additional functions by integrating elements such as sensors, chips, batteries or LEDs. Up to now, these inserts have mostly been introduced into the knitted fabric by hand during or after the production thereof.

Beim Einbringen während der Produktion des Gestricks muss jedoch die produzierende Strickmaschine permanent vom Personal überwacht werden, da die Strickmaschine zum Zeitpunkt, an dem das zusätzliche Element eingelegt wird, stoppt, die Herstellung des Gestricks also unterbrochen wird. Ein erhöhter Personaleinsatz ist die Folge.When introducing the knitted fabric during production, however, the producing knitting machine must be permanently monitored by the staff, since the knitting machine stops at the point in time at which the additional element is inserted, i.e. the production of the knitted fabric is interrupted. The result is an increased workforce.

Um dies zu vermeiden, wurden bereits Vorschläge zur Automatisierung des Einlegens solcher Teile gemacht.In order to avoid this, proposals have already been made to automate the insertion of such parts.

Die US 7,246,508 B1 beschreibt eine Vorrichtung zum Einlegen von Elementen zur Formstabilisierung des Kragens an einem auf einer Flachstrickmaschine hergestellten Gestrick wie z. B. einer Jacke. Dabei wird ein Stapel von Kragen-Einlegeteilen motorisch zusammen mit einem Schieber entlang der Flachstrickmaschine oberhalb der Nadelbetten verfahren, bis die Einlegeposition im Gestrick erreicht ist und eines der Krageneinlegeteile durch den Schieber in das Gestrick einführbar ist.the US 7,246,508 B1 describes a device for inserting elements for stabilizing the shape of the collar on a knitted fabric produced on a flat knitting machine such. B. a jacket. A stack of collar inserts is motorized together with a slide along the flat knitting machine above the needle beds until the insertion position in the knitted fabric is reached and one of the collar inserts can be inserted into the knitted fabric through the slide.

Die DE 43 08 251 C2 zeigt ein autark arbeitendes Funktionselement, welches u. a. zur Einlage von zusätzlichen Elementen in das Gestrick verwendet werden kann. Dieses Funktionselement ist an den Fadenführerschienen befestigt und reduziert daher die mögliche Anzahl der am Strickprozess beteiligten Fadenführer. Außerdem behindert das Funktionselement die Bewegung der Fadenführer, da es sich immer im gleichen Bereich wie die Fadenführer aufhält.the DE 43 08 251 C2 shows a self-sufficient functional element which can be used, among other things, to insert additional elements into the knitted fabric. This functional element is attached to the thread guide rails and therefore reduces the possible number of thread guides involved in the knitting process. In addition, the functional element hinders the movement of the thread guides, since it is always in the same area as the thread guides.

Ausgehend von diesem Stand der Technik ist es Aufgabe der Erfindung, eine Flachstrickmaschine mit einer Vorrichtung zum Einführen von Einlegeteilen in ein Gestrick bereitzustellen, welche die beschriebenen Nachteile vermeidet.Based on this prior art, the object of the invention is to provide a flat knitting machine with a device for inserting inserts into a knitted fabric which avoids the disadvantages described.

Die Aufgabe wird gelöst durch eine Flachstrickmaschine mit mindestens zwei Nadelbetten und mindestens einem Schlitten, der längs der Nadelbetten bewegbar ist, und mit einer Vorrichtung zum Einführen von Einlegeteilen in ein Gestrick, wobei die Vorrichtung ein Magazin für Gestrickeinlegeteile sowie eine Greifeinrichtung aufweist, mit der Gestrickeinlegeteile aus dem Magazin zum Kammspalt zwischen den Nadelbetten bewegbar und in ein auf der Flachstrickmaschine hergestelltes Gestrick einführbar sind, die dadurch gekennzeichnet ist, dass mindestens die Greifeinrichtung am Schlitten oder an Führungselementen des Schlittens angeordnet und durch den Schlitten oder durch einen separaten Antrieb längs der Nadelbetten bewegbar ist.The object is achieved by a flat knitting machine with at least two needle beds and at least one carriage that can be moved along the needle beds, and with a device for inserting inserts into a knitted fabric, the device having a magazine for knitted fabric inserts and a gripping device with which Knitted inserts are movable from the magazine to the comb gap between the needle beds and can be inserted into a knitted fabric produced on the flat knitting machine, which is characterized in that at least the gripping device is arranged on the carriage or on guide elements of the carriage and is driven by the carriage or by a separate drive along the needle beds is movable.

Durch die Anordnung der Greifeinrichtung am Schlitten der Flachstrickmaschine kann ein gesonderter Antrieb zur Bewegung der Greifeinrichtung längs der Maschine entfallen. Die Funktion von Fadenführern sowie der eigentliche Strickprozess werden durch die Greifeinrichtung nicht behindert, wenn diese nicht gebraucht wird. Das Magazin kann an einer anderen Stelle der Strickmaschine angeordnet sein, wobei sowohl eine ortsfeste Anordnung als auch eine längs der Maschine bewegliche Anordnung möglich ist. Weiter ist es vorteilhaft, wenn das Magazin die Vereinzelung der Einlegeteile übernimmt. Die Greifeinrichtung kann dadurch konstruktiv einfacher gestaltet werden.By arranging the gripping device on the slide of the flat knitting machine, a separate drive for moving the gripping device along the machine can be dispensed with. The function of thread guides and the actual knitting process are not hindered by the gripping device when it is not needed. The magazine can be arranged at another point of the knitting machine, both a stationary arrangement and an arrangement movable along the machine being possible. It is also advantageous if the magazine takes over the separation of the inserts. The gripping device can thereby be designed in a structurally simpler manner.

Vorzugsweise weist die Greifeinrichtung einen Greifer mit mindestens einer beweglichen Greifbacke auf. Der Greifer ist damit in der Lage, verschieden geformte Einlegeteile sicher aufzunehmen und zu einem Aufnahmebereich des auf der Strickmaschine gefertigten Gestricks zu transportieren.The gripping device preferably has a gripper with at least one movable gripping jaw. The gripper is thus able to securely pick up differently shaped inserts and to transport them to a pick-up area of the knitted fabric produced on the knitting machine.

Die Greifbacken können eine konturierte Oberfläche aufweisen und/oder aus einem Material mit guter Haltekraft hergestellt sein. Dadurch kann ein sicheres Halten der Einlegeteile auch bei schnellen Bewegungen durch den Greifer gewährleistet werden. Als Materialien für die Greifbacken oder zumindest ihrer Oberfläche kommen nicht magnetische Materialien für magnetische Einlegeteile oder auch Kunststoffe, Gummi oder dergleichen in Frage.The gripping jaws can have a contoured surface and / or be made of a material with good holding power. This ensures that the inserts are held securely even when the gripper moves quickly. The materials used for the gripping jaws or at least for their surface are non-magnetic Materials for magnetic inserts or plastics, rubber or the like are possible.

Der Greifer kann motorisch mindestens zwischen einer den Strickprozess nicht behindernden Ruheposition und einer Einlegeposition bewegbar sein. Ist das Magazin ortsfest an der Maschine angeordnet und/oder weist keine Übergabeeinrichtungen an den Greifer auf, so ist eine dritte Position für den Greifer nötig, in der er in der Lage ist, ein Einlegeteil aus dem Magazin zu entnehmen.The gripper can be moved by a motor at least between a rest position that does not impede the knitting process and an insertion position. If the magazine is arranged in a stationary manner on the machine and / or has no transfer devices to the gripper, a third position is required for the gripper in which it is able to remove an insert from the magazine.

Weitere Vorteile ergeben sich, wenn mit dem Greifer die Einlegeteile ganz oder teilweise bis unterhalb des Nadelkreuzes der Flachstrickmaschine bewegbar sind. Die Taschen oder anderen Aufnahmen des Gestricks für die Einlegeteile werden vor dem Einführen der Einlegeteile fertiggestellt. Daher befinden sich auch die Öffnungen der Aufnahmen unterhalb des Nadelkreuzes. Ist der Greifer in der Lage, die Einlegeteile bis unter das Nadelkreuz zu drücken, so können die Einlegeteile sicher und vollständig in die Aufnahmen des Gestricks eingeführt werden.Further advantages result if the insert parts can be moved completely or partially to below the needle cross of the flat knitting machine with the gripper. The pockets or other receptacles of the knitted fabric for the inserts are completed before the inserts are inserted. Therefore, the openings of the receptacles are also located below the needle cross. If the gripper is able to press the insert parts below the needle cross, the insert parts can be safely and completely inserted into the knitted fabric receptacles.

Der Greifer kann außerdem eine Auswurfmechanik zur Abgabe der Einlegeteile in das Gestrick aufweisen. Eine solche Auswurfmechanik unterstützt die Abgabe der Einlegeteile, nachdem die Greiferbacken geöffnet wurden. Die Auswurfmechanik kann auch dafür sorgen, dass die Einlegeteile in die Aufnahmen im Gestrick hineingedrückt und dort festgehalten werden.The gripper can also have an ejection mechanism for releasing the inserts into the knitted fabric. Such an ejection mechanism supports the delivery of the inserts after the gripper jaws have been opened. The ejection mechanism can also ensure that the inserts are pressed into the receptacles in the knitted fabric and held there.

Die Erfindung betrifft außerdem ein Verfahren zum Einlegen von Einlegeteilen in ein auf einer Flachstrickmaschine gefertigtes Gestrick, wobei die Flachstrickmaschine mindestens zwei Nadelbetten, mindestens einen längs der Nadelbetten bewegbaren Schlitten, ein Magazin für die Einlegeteile und eine am Schlitten angeordnete Greifeinrichtung aufweist, das gekennzeichnet ist durch die Schritte:

  1. a. Stricken eines Gestricks mit einem oder mehreren Aufnahmebereich/en für ein oder mehrere Einlegeteil/e,
  2. b. Bewegen der Greifeinrichtung zum Magazin oder des Magazins zur Greifeinrichtung und Übernahme eines Einlegeteils aus dem Magazin mittels eines an der Greifeinrichtung angeordneten Greifers,
  3. c. Bewegen der Greifeinrichtung mit dem Schlitten oder einem separaten Antrieb zu einem Nadelbereich der Nadelbetten, in dem der Aufnahmebereich des Gestricks für das Einlegeteil angeordnet ist,
  4. d. Bewegen des Greifers über den Kammspalt und Absenken des Einlegeteils ganz oder teilweise bis unterhalb des Nadelkreuzes und dadurch Einführen des Einlegeteils in den Aufnahmebereich des Gestricks.
The invention also relates to a method for inserting inserts into a knitted fabric produced on a flat knitting machine, the flat knitting machine having at least two needle beds, at least has a carriage movable along the needle beds, a magazine for the inserts and a gripping device arranged on the carriage, which is characterized by the steps:
  1. a. Knitting a knitted fabric with one or more receiving areas for one or more insert / s,
  2. b. Moving the gripping device to the magazine or the magazine to the gripping device and taking over an insert from the magazine by means of a gripper arranged on the gripping device,
  3. c. Moving the gripping device with the carriage or a separate drive to a needle area of the needle beds in which the receiving area of the knitted fabric for the insert is arranged,
  4. d. Moving the gripper over the comb gap and lowering the insert completely or partially to below the needle cross and thereby inserting the insert into the receiving area of the knitted fabric.

Dabei können vorzugsweise die Klemmbacken des Greifers zum Ergreifen des Einlegeteils geöffnet, dann geschlossen und nach Bewegen des Greifers in die Einlegeposition wieder geöffnet werden, wobei eine Auswurfeinrichtung am Greifer das Einlegeteil in den Aufnahmebereich des Gestricks drückt und dort niederhält.The jaws of the gripper can preferably be opened to grasp the insert, then closed and opened again after moving the gripper into the insert position, an ejection device on the gripper pressing the insert into the receiving area of the knitted fabric and holding it down there.

Anschließend kann der Greifer nach Schritt d. wieder in seine Ruheposition gebracht und der Strickprozess fortgesetzt werden. Der Greifer behindert dabei weder die Bewegung des Schlittens, noch der Fadenführer oder Nadeln. Im weiteren Strickprozess kann vorzugsweise der Aufnahmebereich des Gestricks für das Einlegeteil, beispielsweise eine Tasche ganz oder teilweise verschlossen und dadurch das Einlegeteil im Gestrick gesichert werden.The gripper can then after step d. brought back to its resting position and the knitting process continued. The gripper does not hinder the movement of the carriage, the thread guide or the needles. In the further knitting process can preferably the receiving area of the knitted fabric for the insert, for example a pocket, is completely or partially closed and the insert is thereby secured in the knitted fabric.

Im Folgenden wird mit Bezug auf die Zeichnung ein Ausführungsbeispiel einer erfindungsgemäßen Flachstrickmaschine im Einzelnen beschrieben.In the following, an exemplary embodiment of a flat knitting machine according to the invention is described in detail with reference to the drawing.

Es zeigen:

Fig. 1
eine schematische Teilansicht einer Flachtrickmaschine mit einer Vorrichtung zum Einführen von Einlegeteilen;
Fig. 2a
eine perspektivische Detailansicht einer Greifeinrichtung der Vorrichtung zum Einführen eines Einlegeteils aus Fig. 1 mit einem Greifer in Ruheposition;
Fig. 2b
einen Querschnitt durch die Flachstrickmaschine im Bereich der Greifeinrichtung mit dem Greifer in der Stellung aus Fig. 2a;
Fig. 3a
eine perspektivische Detailansicht der Greifeinrichtung der Vorrichtung zum Einführen eines Einlegeteils aus Fig. 1 mit dem Greifer in einer Übernahmeposition eines Einlegeteils;
Fig. 3b
ein Querschnitt durch die Flachstrickmaschine im Bereich der Greifeinrichtung mit dem Greifer in der Stellung aus Fig. 3a;
Fig. 4a
eine perspektivische Detailansicht der Greifeinrichtung der Vorrichtung zum Einführen eines Einlegeteils aus Fig. 1 mit dem Greifer mit einem aufgenommenen Einlegeteil;
Fig. 4b
einen Querschnitt durch die Flachstrickmaschine im Bereich der Greifeinrichtung mit dem Greifer in der Stellung aus Fig. 4a;
Fig. 5a
eine perspektivische Detailansicht der Greifeinrichtung der Vorrichtung zum Einführen eines Einlegeteils aus Fig. 1 mit dem Greifer in einer Übergabeposition des Einlegeteils;
Fig. 5b
einen Querschnitt durch die Flachstrickmaschine im Bereich der Greifeinrichtung mit dem Greifer in der Stellung aus Fig. 5a;
Fig. 6a
eine perspektivische Detailansicht der Greifeinrichtung der Vorrichtung zum Einführen eines Einlegeteils aus Fig. 1 mit dem Greifer nach dem Einführen des Einlegeteils in ein Gestrick;
Fig. 6b
einen Querschnitt durch die Flachstrickmaschine im Bereich der Greifeinrichtung mit dem Greifer in der Stellung aus Fig. 6a.
Show it:
Fig. 1
a schematic partial view of a flat knitting machine with a device for inserting inserts;
Fig. 2a
a perspective detailed view of a gripping device of the device for inserting an insert from Fig. 1 with a gripper in rest position;
Figure 2b
a cross-section through the flat knitting machine in the area of the gripping device with the gripper in the position Fig. 2a ;
Fig. 3a
a perspective detailed view of the gripping device of the device for inserting an insert from Fig. 1 with the gripper in a takeover position of an insert;
Figure 3b
a cross-section through the flat knitting machine in the area of the gripping device with the gripper in the position Fig. 3a ;
Figure 4a
a perspective detailed view of the gripping device of the device for inserting an insert from Fig. 1 with the gripper with a received insert;
Figure 4b
a cross-section through the flat knitting machine in the area of the gripping device with the gripper in the position Figure 4a ;
Figure 5a
a perspective detailed view of the gripping device of the device for inserting an insert from Fig. 1 with the gripper in a transfer position of the insert;
Figure 5b
a cross-section through the flat knitting machine in the area of the gripping device with the gripper in the position Figure 5a ;
Figure 6a
a perspective detailed view of the gripping device of the device for inserting an insert from Fig. 1 with the gripper after the insertion of the insert into a knitted fabric;
Figure 6b
a cross-section through the flat knitting machine in the area of the gripping device with the gripper in the position Figure 6a .

Fig. 1 zeigt eine schematische Ansicht des Teilbereichs einer an sich bekannten Flachstrickmaschine 100 mit einem hier nicht dargestellten vorderen und hinteren Nadelbett. Über die Nadelbetten wird ein vorderer und hinterer Schlitten 20, 20' bewegt, an welchen Strickschlösser 30, 30' befestigt sind. Fig. 1 shows a schematic view of the partial area of a known flat knitting machine 100 with a front and rear needle bed, not shown here. A front and rear carriage 20, 20 ', to which knitting locks 30, 30' are attached, is moved over the needle beds.

Die Flachstrickmaschine 100 weist eine Vorrichtung 10 zum Einlegen von Einlegeteilen 70 (Fig. 4b) in ein auf der Flachstrickmaschine hergestelltes Gestrick auf, die von einem links neben den hier nicht dargestellten Nadelbetten starr angeordneten Magazin 40 für Einlegeteile 70 und einer Greifeinrichtung 50 für die Einlegeteile 70 gebildet ist.The flat knitting machine 100 has a device 10 for inserting insert parts 70 ( Figure 4b ) into a knitted fabric produced on the flat knitting machine, which is formed by a magazine 40 for inserts 70, which is rigidly arranged to the left of the needle beds (not shown here), and a gripping device 50 for inserts 70.

Das Magazin 40 ist zur Speicherung und Abgabe der Einlegeteile 70 ausgebildet, welche dazu in einem Magazinbehälter 41 gespeichert und bei Bedarf mittels einer hier nicht näher dargestellten Transporteinrichtung abgegeben werden können. Dabei ist eine definierte Abgabeposition der Einlegeteile 70 mit der Transportvorrichtung anfahrbar. Diese definierte Abgabeposition kann entsprechend der möglichen unterschiedlichen Dimensionen der zuzuführenden Einlegeteile 70 angepasst werden. Weiter sind Sensoren vorgesehen, die das Vorhandensein von Einlegeteilen 70, deren Position im Magazinbehälter 41 sowie die Position der Transporteinrichtung überwachen.The magazine 40 is designed for storing and dispensing the inserts 70, which for this purpose are stored in a magazine container 41 and, if necessary, can be dispensed by means of a transport device not shown in detail here. A defined delivery position of the inserts 70 can be approached with the transport device. This defined delivery position can be adapted in accordance with the possible different dimensions of the insert parts 70 to be fed. Sensors are also provided which monitor the presence of insert parts 70, their position in the magazine container 41 and the position of the transport device.

Die Transporteinrichtung kann beispielsweise ein Schieberelement aufweisen, welches das jeweilige Einlegeteil 70 in eine vorbestimmte Position zur Aufnahme durch einen Greifer einer Vorrichtung zum Einlegen eines Einlegeteils 70 bringt. Die Bewegungseinleitung in den Schieber kann motorisch mittels Getriebe, Zahnstangen, Riementrieben usw. erfolgen.The transport device can, for example, have a slide element which brings the respective insert 70 into a predetermined position for reception by a gripper of a device for inserting an insert 70. The initiation of movement into the slide can be carried out by a motor using a gear unit, toothed rack, belt drive, etc.

Weiter ist ein NFC-Schreiber 47 am Magazin 40 angebracht, wodurch die Möglichkeit besteht, Daten auf im Einlegeteil 70 integrierte Mikrochips zu übertragen.An NFC writer 47 is also attached to the magazine 40, which makes it possible to transfer data to microchips integrated in the insert 70.

Die Greifeinrichtung 50 ist seitlich am Schlitten 20 befestigt und wird daher durch diesen mitbewegt. Die Greifeinrichtung 50 übernimmt die vom Magazin 40 in die definierte Abgabeposition gebrachten Einlegeteile 70 vom Magazin 40 und führt sie in einen vordefinierten Aufnahmebereich innerhalb eines hier nicht dargestellten Gestrickstücks ein, welches gerade auf der Flachstrickmaschine 100 hergestellt wird.The gripping device 50 is attached to the side of the slide 20 and is therefore moved along with it. The gripping device 50 takes over the inserts 70 brought by the magazine 40 into the defined delivery position from the magazine 40 and introduces them into a predefined receiving area within a knitted piece (not shown here) which is currently being produced on the flat knitting machine 100.

Die folgenden Fig. 2a - 6b zeigen in schematischer Ansicht den Ablauf des Einlegens eines Einlegeteils 70 durch die Greifeinrichtung 50, jeweils anhand einer perspektivischen Darstellung (a) sowie eines Schnittes (b) durch die Flachstrickmaschine 100, beginnend in der Ruheposition des Greifers 51 der Greifeinrichtung 50.The following Figures 2a-6b show a schematic view of the sequence of inserting an insert 70 by the gripping device 50, each based on a perspective view (a) and a section (b) through the flat knitting machine 100, starting in the rest position of the gripper 51 of the gripping device 50.

Die Fig. 2a, b zeigen die Greifeinrichtung 50 mit einem Greifer 51, wobei sich der Greifer 51 in einer Ruheposition befindet. Er ist dazu in eine hintere Endlage verschwenkt. In dieser Position kann der Greifer 51 nicht mit Elementen wie z. B. Fadenführern 60 usw. kollidieren, wenn der Schlitten 20, 20' Bewegungen über die Nadelbetten zur Beaufschlagung von zum Stricken notwendigen Elementen wie Nadeln oder Platinen ausführt.the Fig. 2a, b show the gripping device 50 with a gripper 51, the gripper 51 being in a rest position. For this purpose, it is pivoted into a rear end position. In this position, the gripper 51 cannot with elements such. B. thread guides 60 etc. collide when the carriage 20, 20 'executes movements over the needle beds to act on elements necessary for knitting, such as needles or sinkers.

Soll ein Einlegeteil 70 in das Gestrick eingelegt werden, so bewegt sich der Schlitten 20, 20' in eine in den Fig. 3a, 3b dargestellte Position vor dem aus Gründen der Übersichtlichkeit hier nicht dargestellten Magazin 40. Der Greifer 51 der Greifeinrichtung 50 bewegt sich aus seiner hinteren Endlage bzw. Ruheposition, angetrieben durch einen ersten Motor 58 in eine senkrechte Position, in welcher das Einlegeteil 70 sicher gegriffen werden kann. Gleichzeitig bewegen sich Greifbacken 52, 52' des Greifers 51, angetrieben durch einen zweiten Motor 59, voneinander weg und geben somit einen Raum zur Aufnahme des Einlegeteils 70 frei. Im gezeigten Beispiel bewegt sich hierzu nur eine der Greifbacken 52, 52'. Die gegenüberliegende Greifbacke 52 ist starr ausgeführt. Es ist aber auch denkbar, beide Greifbacken 52, 52' zu bewegen.If an insert 70 is to be inserted into the knitted fabric, the carriage 20, 20 'moves into a Figures 3a, 3b Position shown in front of the magazine 40, not shown here for reasons of clarity. The gripper 51 of the gripping device 50 moves from its rear end position or rest position, driven by a first motor 58, into a vertical position in which the insert 70 can be safely gripped . At the same time, the gripping jaws 52, 52 ′ of the gripper 51, driven by a second motor 59, move away from one another and thus free a space for receiving the insert 70. In the example shown, only one of the gripping jaws 52, 52 'moves for this purpose. The opposite gripping jaw 52 is rigid. But it is also conceivable to move both gripping jaws 52, 52 '.

Die Fig. 4a, 4b zeigen eine Ansicht, in welcher das Einlegeteil 70 durch Vorschubeinrichtungen des hier nicht gezeigten Magazins 40 in eine definierte Aufnahmeposition zwischen die Greifbacken 52, 52' bewegt wurde und die Greifbacken 52, 52' mittels des zweiten Motors 59 aufeinander zu bewegt wurden und somit das Einlegeteil 70 zwischen sich geklemmt halten.the Figures 4a, 4b show a view in which the insert 70 is pushed into a Defined receiving position was moved between the gripping jaws 52, 52 'and the gripping jaws 52, 52' were moved towards each other by means of the second motor 59 and thus keep the insert 70 clamped between them.

In Fig. 5a, 5b ist die Greifeinrichtung 50 gezeigt, nachdem der Schlitten 20, 20' über den Strickbereich der Flachstrickmaschine 100 bis zu einer Position bewegt wurde, an welcher das Einlegeteil 70, welches zwischen den Greifbacken 52, 52' des Greifers 51 gehalten wird, in das gebildete Gestrick eingelegt werden soll. Dafür kann im vorhergehenden Strickprozess z. B. eine Tasche als Aufnahmebereich für das Einlegeteil 70 in dem Gestrick gebildet werden.In Figures 5a, 5b the gripping device 50 is shown after the carriage 20, 20 'has been moved over the knitting area of the flat knitting machine 100 to a position at which the insert 70, which is held between the gripping jaws 52, 52' of the gripper 51, into the formed knitted fabric should be inserted. For this purpose, in the previous knitting process, for. B. a pocket can be formed as a receiving area for the insert 70 in the knitted fabric.

Anschließend erfolgt eine Bewegung des Greifers 51 in Richtung des Kammspalts 80 der Flachstrickmaschine 100. Die Bewegung ist im gezeigten Beispiel eine Schwenkbewegung, eingeleitet durch den ersten Motor 58. Die Bewegung kann alternativ auch linear oder in einer beliebigen Kombination aus Rotations- und Linearbewegungen durchgeführt werden.Then there is a movement of the gripper 51 in the direction of the comb gap 80 of the flat knitting machine 100. In the example shown, the movement is a pivoting movement, initiated by the first motor 58. The movement can alternatively also be carried out linearly or in any combination of rotational and linear movements .

Durch die Bewegung des Greifers 51 in Richtung Kammspalt 80 wird das Einlegeteil 70 in die im vorhergehenden Strickprozess gebildete Tasche eingelegt.By moving the gripper 51 in the direction of the comb gap 80, the insert 70 is inserted into the pocket formed in the previous knitting process.

Fig. 6a, 6b zeigen eine Ansicht der Greifeinrichtung 50, nachdem mittels des zweiten Motors 59 die Greifbacken 52, 52' geöffnet wurden und, ebenfalls mittels des zweiten Motors 59, eine Auswurfeinrichtung 53 am Greifer 51 aus einer oberen Ruheposition in Richtung des Kammspalts 80 in eine Auswurfposition bewegt wurde. Durch diese Bewegung der Auswurfeinrichtung 53 wird das Einlegeteil 70 aus dem Bereich zwischen den Greifbacken 52, 52' heraus und in den Aufnahmebereich des Gestricks hinein bewegt. Figures 6a, 6b show a view of the gripping device 50 after the gripping jaws 52, 52 'have been opened by means of the second motor 59 and, likewise by means of the second motor 59, an ejection device 53 on the gripper 51 has been moved from an upper rest position in the direction of the comb gap 80 into an ejection position . Through this movement of the Ejection device 53, the insert 70 is moved out of the area between the gripping jaws 52, 52 'and into the receiving area of the knitted fabric.

Der Schlitten 20, 20' wird anschließend entgegen seiner bisherigen Strickrichtung in Richtung des Magazins 40 bewegt. Der Greifer 51 und die Auswurfeinrichtung 53 bleiben dabei in ihren in den Fig. 6a, 6b gezeigten Positionen. Dadurch wird das Einlegeteil 70 sicher in das Gestrick eingestreift.The carriage 20, 20 ′ is then moved in the direction of the magazine 40 counter to its previous knitting direction. The gripper 51 and the ejector 53 remain in their in the Figures 6a, 6b positions shown. As a result, the insert 70 is securely slipped into the knitted fabric.

Nachdem der Greifer 51 und die Auswurfeinrichtung 53 mittels des ersten und zweiten Motors 58, 59 zurück in ihre Ruhepositionen bewegt wurden, kann der Strickprozess für das Gestrick wiederaufgenommen werden. Dabei kann z. B. die Tasche, in welche das Einlegeteil 70 eingebracht wurde, teilweise oder ganz geschlossen werden.After the gripper 51 and the ejection device 53 have been moved back into their rest positions by means of the first and second motors 58, 59, the knitting process for the knitted fabric can be resumed. It can, for. B. the pocket into which the insert 70 was introduced, can be partially or completely closed.

Claims (13)

  1. Flat knitting machine comprising at least two needle beds and at least one carriage (20, 20') which can be moved along the needle beds, and comprising an apparatus (10) for inserting inserts (70) into a knitted fabric, the apparatus having a magazine (40) for insert parts (70) and a gripping device (50) by means of which insert parts (70) can be moved from the magazine (40) to the comb gap (80) between the needle beds and inserted into a knitted fabric produced on the flat knitting machine (100), characterized in that at least the gripping device (50) is arranged on the carriage (20, 20') or on guide elements of the carriage (20, 20') and can be moved along the needle beds by the carriage (20, 20') or by a separate drive.
  2. Flat knitting machine according to claim 1, characterized in that the magazine (40) is arranged on the knitting machine (100) in a stationary manner or so as to be movable along the machine (100).
  3. Flat knitting machine according to either claim 1 or claim 2, characterized in that the magazine (40) separates the insert parts (70).
  4. Flat knitting machine according to any of the preceding claims, characterized in that the gripping device (50) has a gripper (51) with at least one movable gripping jaw (52, 52').
  5. Flat knitting machine according to claim 4, characterized in that the gripping jaws (52, 52') have a contoured surface and/or are made of a material having a good holding force.
  6. Flat knitting machine according to either claim 4 or claim 5, characterized in that the gripping jaws (52, 52') are made from one or more non-magnetic materials.
  7. Flat knitting machine according to any of claims 3 to 6, characterized in that the gripper (51) can be moved by motor at least between a rest position which does not impede the knitting process and an insertion position.
  8. Flat knitting machine according to any of claims 3 to 7, characterized in that the gripper (51) can move the insert parts (70), completely or partially, to below the needle cross of the flat knitting machine.
  9. Flat knitting machine according to any of claims 3 to 8, characterized in that the gripper (51) has an ejection mechanism (53) for releasing the insert parts (70) into the knitted fabric.
  10. Method for inserting insert parts into a knitted fabric produced on a flat knitting machine (100), the flat knitting machine (100) comprising at least two needle beds, at least one carriage (20, 20') which is movable along the needle beds, a magazine (40) for the insert parts (70) and a gripping device (50) arranged on the carriage, characterized by the steps of:
    a. knitting a knitted fabric having one or more receiving regions for one or more insert parts (70),
    b. moving the gripping device (50) to the magazine (40) or moving the magazine (40) to the gripping device (50) and taking an insert (70) from the magazine (40) by means of a gripper (51) arranged on the gripping device (50),
    c. moving the gripping device (50) by means of the carriage (20, 20') or a separate drive to a needle region of the needle beds in which the receiving region of the knitted fabric for the insert part (70) is arranged,
    d. moving the gripper (51) over the comb gap (80) and lowering the insert part (70), completely or partially, to below the needle cross and thereby inserting the insert part (70) into the receiving region of the knitted fabric.
  11. Method according to claim 10, characterized in that the gripping jaws (52, 52') of the gripper (51) are opened for gripping the insert part (70), then closed and, after the gripper (51) has been moved into the insertion position, are opened again, an ejection mechanism (53) on the gripper (51) pressing the insert part into the receiving region of the knitted fabric and holding it down there.
  12. Method according to either claim 10 or claim 11, characterized in that the gripper (51) is brought to its rest position after step d. and the knitting process continues.
  13. Method according to claim 12, characterized in that when the knitting process is continued, the receiving region for the insert (70) is completely or partially closed.
EP19167792.1A 2019-04-08 2019-04-08 Flat knitting machine with device for inserting inserts in a knitted fabric Active EP3722472B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19167792.1A EP3722472B1 (en) 2019-04-08 2019-04-08 Flat knitting machine with device for inserting inserts in a knitted fabric
CN202010270513.XA CN111793887B (en) 2019-04-08 2020-04-08 Flat knitting machine with device for inserting inserts into knitted fabric

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19167792.1A EP3722472B1 (en) 2019-04-08 2019-04-08 Flat knitting machine with device for inserting inserts in a knitted fabric

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EP3722472A1 EP3722472A1 (en) 2020-10-14
EP3722472B1 true EP3722472B1 (en) 2021-08-11

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EP19167792.1A Active EP3722472B1 (en) 2019-04-08 2019-04-08 Flat knitting machine with device for inserting inserts in a knitted fabric

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EP (1) EP3722472B1 (en)
CN (1) CN111793887B (en)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993019234A1 (en) * 1992-03-17 1993-09-30 Universal Maschinenfabrik Dr. Rudolf Schieber Gmbh & Co. Kg Textile machine
DE19847331A1 (en) * 1998-10-09 2000-04-20 Keiper Recaro Gmbh Co Attachment of knitted seat covers to seat uses hook and loop fastener knitted integrally with seat cover
KR100495494B1 (en) * 2003-08-25 2005-06-16 오홍주 Transferring device of the feeder for automatic flat knitting machine of intarsia
CN101187104B (en) * 2006-11-16 2010-08-18 罗一鑫 Automatic clothes collar insert sheet device
US7246508B1 (en) 2006-11-21 2007-07-24 Yi-Xin Lo Automatic collar stay insertion device
US9226540B2 (en) * 2013-02-28 2016-01-05 Nike, Inc. Method of knitting a knitted component with a vertically inlaid tensile element
US9375046B2 (en) * 2014-09-30 2016-06-28 Nike, Inc. Article of footwear incorporating a knitted component with inlaid tensile elements and method of assembly
CN106982479A (en) * 2016-01-15 2017-07-25 香港纺织及成衣研发中心有限公司 A kind of electrothermal piece and its heating method
CN205636015U (en) * 2016-05-04 2016-10-12 天津工业大学 Luminous knitting and light -emitting clothes thing
DE102016112585B4 (en) * 2016-07-08 2019-10-24 H. Stoll Ag & Co. Kg Method for producing a knitted fabric with standing thread
CN109563653A (en) * 2016-08-04 2019-04-02 株式会社村田制作所 The manufacturing method of electric function component, the textile article for having used the electric function component and electric function component
CN206266808U (en) * 2016-09-30 2017-06-20 浙江新宏达袜业有限公司 A kind of intelligent socks production line
CN207861539U (en) * 2017-12-27 2018-09-14 耐克创新有限合伙公司 Material feed device

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EP3722472A1 (en) 2020-10-14
CN111793887A (en) 2020-10-20
CN111793887B (en) 2021-11-16

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