EP3683343A2 - Knitting implement bar assembly of a warp knitting machine - Google Patents
Knitting implement bar assembly of a warp knitting machine Download PDFInfo
- Publication number
- EP3683343A2 EP3683343A2 EP20175602.0A EP20175602A EP3683343A2 EP 3683343 A2 EP3683343 A2 EP 3683343A2 EP 20175602 A EP20175602 A EP 20175602A EP 3683343 A2 EP3683343 A2 EP 3683343A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- bar
- active element
- active
- arrangement
- element holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009940 knitting Methods 0.000 title claims abstract description 17
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
- D04B27/06—Needle bars; Sinker bars
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
- D04B27/10—Devices for supplying, feeding, or guiding threads to needles
- D04B27/24—Thread guide bar assemblies
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B37/00—Auxiliary apparatus or devices for use with knitting machines
- D04B37/06—Auxiliary apparatus or devices for use with knitting machines with warp knitting machines
Definitions
- the present invention relates to a knitting element bar arrangement of a warp knitting machine with a bar and a plurality of knitting element frames, each of which has several knitting elements, the knitting element frames resting against the bar with a bar contact surface and being releasably attached to the bar.
- the active elements are usually cast into the active element holder.
- the active element holder consists of lead or another metal or also of plastic or a combination thereof.
- An active element holder usually has a width of 1 or 2 inches and a corresponding number of active elements.
- the invention relates to the latter possibility.
- the active elements are wear parts of the warp knitting machine, which must be replaced from time to time.
- the screw must then be loosened for replacement.
- the screw must be pulled out of the active element socket and inserted into a new active element socket. Then the screw must be screwed back into the bar.
- This procedure is not only complex. Since a bar often has a length of several meters and a correspondingly large number of active element sockets, it often happens that a screw falls down and must be searched for. The risk of the screw falling into the warp knitting machine and causing greater damage there during operation is too great. Accordingly, the replacement of an active element holder is time-consuming and requires trained and skillful personnel.
- the invention has for its object to make maintenance and servicing of an active element bar arrangement of a warp knitting machine simple.
- an active element bar arrangement of the type mentioned at the outset in that at least one active element holder has a recess which is open on one side and in which a clamping element connected to the bar is arranged, which acts on the active element holder from a side opposite the parallel bar contact surface.
- the replacement of an active element holder is relatively simple and less prone to errors.
- the active element holder has been released from the bar and can be removed.
- the installation a new active element holder takes place in reverse order.
- the active element holder is brought into contact with the bar contact surface on the bar and pushed with the open recess to the clamping element, so that the clamping element is then in the recess.
- the clamping element can then be tensioned again and holds the active element holder securely on the bar.
- the only part that has to be separated from the bar is the active element holder. Accordingly, no further parts can be lost.
- the recess is preferably arranged on the side of the active element holder facing away from the active elements.
- the active element holder can then be pulled off transversely to the longitudinal extent of the bar and reassembled in the opposite direction, that is also transversely to the longitudinal extent of the bar. This makes it possible to replace a single active element holder without having to remove neighboring active element holders as well.
- the recess is preferably delimited laterally by two legs and the clamping element acts on the legs.
- the recess is U-shaped.
- the clamping element is then arranged in the middle of the U and acts only or at least also on the legs. This has the advantage that the risk of the legs spreading can be kept low. If the legs were spread, the active element holder would deform, which could have a negative effect on the positioning of the active elements with respect to one another.
- a non-rotatable intermediate piece which acts flat on the active element holder, is preferably arranged between the clamping element and the active element holder.
- the clamping force can be distributed over the entire area of the active element by means of the intermediate piece, which acts flat on the active element holder and can, for example, simply be designed as a plate.
- the intermediate piece which acts flat on the active element holder and can, for example, simply be designed as a plate.
- the intermediate piece has a projection arrangement which is directed in the direction of the bar and counteracts spreading of the legs.
- the projection arrangement is located, for example, on the outside of the legs, so that the legs would come into contact with the projection arrangement if they spread apart.
- the intermediate piece thus forms a kind of lock.
- the active element holder has a counter geometry that is adapted to the projection arrangement and that cooperates with the projection arrangement.
- the projection arrangement can be triangular in cross section.
- the active element holder then has correspondingly beveled sections on the legs.
- a spring arrangement advantageously acts on the intermediate piece in a direction pointing away from the bar.
- the spring arrangement ensures that the spacer is held at a distance from the bar that is necessary to mount a new active element holder. This makes assembly easier. After disassembling an active element holder, a free space remains in which a new active element holder can be inserted.
- the spring arrangement preferably has an O-ring which surrounds the clamping element.
- An O-ring made of an elastomer is a cost-effective component that compresses slightly when the clamping element is tensioned can be.
- the O-ring has a thickness or height that is slightly larger than the thickness of the active element arrangement.
- the bar preferably has a stop for the active element holder.
- a position of the active-element holder is defined transversely to the longitudinal extent of the bar, on the other hand, the stop forms an anti-rotation device which prevents the active-element holder from rotating when the clamping element is tensioned or during operation.
- the clamping element is advantageously designed as a screw or threaded bolt. To release the clamping element, it is sufficient to turn the screw or the threaded bolt, for example, by one turn. This lowers the clamping force to such an extent that the active element holder can be removed from the bar. To fix the active element holder, only a corresponding rotation of the screw or the threaded bolt in the opposite direction is then required. The replacement of an active element holder can therefore be carried out with little effort.
- the bar preferably has a base body and a support element arrangement extending in the longitudinal direction of the base body, the clamping device being arranged on the support element arrangement and the support element arrangement being detachably fastened to the base body.
- the active element holder can be mounted on the carrier element arrangement as long as the carrier element arrangement is not yet fastened to the base body.
- the support element arrangement can also be equipped mechanically and, if appropriate, the active elements can also be straightened automatically or under machine control.
- the carrier element arrangement can then be attached to the base body. On the warp knitting machine itself, where there is usually little space available for an operator then only a few steps are required.
- the support element arrangement can be attached to the base body, for example, by screws or the like.
- the carrier element arrangement advantageously has a plurality of carrier elements which are arranged next to one another in the longitudinal direction of the bar.
- a carrier element can, for example, have a length of 21 inches (53.34 cm).
- a carrier element with such a length is easy to handle and can be positioned relative to the base body. Differences in division over the entire width of the bar can thus be compensated for.
- Fig. 1 shows schematically an active element bar arrangement 1 of a warp knitting machine.
- the bar arrangement 1 has a bar 2 and a plurality of active element sockets 3.
- Each active element holder 3 has a plurality of active elements 4, which in the present case can be designed as laying needles.
- the active element holder 3 has a bar contact surface 5 with which it rests on the bar 3. As will be described below, each active element holder 3 is detachably attached to the bar 2.
- Fig. 1 three active element sockets 3 are shown.
- the right-hand active-element holder 3 is only in contact with the bar 2 without being already fastened here.
- the active-element holder 3 has a recess 6 which is open towards the edge of the active-element holder 3, specifically on the side of the active-element holder 3 which faces away from the active elements 4.
- the recess 6 is laterally delimited by two legs 7, 8, so that the recess essentially has the shape of a "U". However, the bottom of the "U” does not have to be curved.
- the "U” can also have an approximately rectangular shape.
- the bar 2 has a threaded bore 9 into which a screw 10 ( Fig. 2 ) or a corresponding threaded bolt can be screwed in. Since the active element holder 3 has the open recess 6, the active element holder 3 can also be mounted on the bar 2 when the screw 10 has already been screwed into the bar 2.
- an intermediate piece 11 which can also be referred to as a “clamping plate” and acts flat on the active element holder 3.
- the intermediate piece 11 also covers the legs 7, 8.
- the intermediate piece 11 is secured against rotation. It can only act on the active element holder 3 in one or a small number of angular positions. This ensures that a predetermined clamping force distribution on the active element holder 3 is always obtained.
- the active element holder 3 is finally attached to the bar 2 when the above-mentioned screw 10 is screwed into the bar 2, see the left active element holder.
- Fig. 3 shows a modified form of an intermediate piece 11.
- the intermediate piece 11 has a projection arrangement with two projections 12, 13 which, when the intermediate piece 11 rests on the active element holder 3, encompass the two legs 7, 8 on the outside.
- the legs 7, 8 have a correspondingly designed outer side, which cooperate with the inclined inner sides of the projections 12, 13.
- the projections 12, 13 prevent the legs 7, 8 from spreading. Under certain circumstances, this would result in an undesired deformation of the active element holder 3.
- the projections 12, 13 do not act on the outside of the legs 7, 8, but corresponding recesses are provided in the legs 7, 8, into which the projections 12, 13 can enter.
- the intermediate piece 11 does not have to have a greater width than the active element holder 3.
- the screw 10 is surrounded by an O-ring 14.
- the O-ring 14 has a thickness which, in the relaxed state, is slightly larger than the thickness of the active element holder 3.
- the O-ring 14 forms a spring arrangement which, when the screw 10 is loosened somewhat, the intermediate piece 11 from the bar 2 pushes away.
- the bar 2 has a stop 15 against which the legs 7, 8 of the active element holder 3 can rest when the active element holder 3 is mounted on the bar 2.
- the stop 15 thus forms a positioning aid.
- it also forms an anti-rotation device, so that the active-element holder 3 also a predetermined orientation can be mounted on the bar 2, this orientation does not change even when the screw 10 is tightened.
- Fig. 4 shows a modified embodiment of the bar 2.
- the bar 2 has a base body 17 to which a plurality of carrier elements 18 are fastened.
- the carrier elements are arranged one behind the other in the longitudinal direction of the bar 2, based on the representation of the Figure 4 vertical drawing plane.
- the carrier elements can be mounted and removed on the base body 17.
- she have a length of 21 inches, for example, 53.34 cm. Such a length can still be easily handled and fastened to the base body 17 with the desired accuracy.
- the support elements can have been equipped with the active element holders 3 beforehand and the active elements 4 can be directed. This can also be done mechanically, because this straightening does not have to be carried out on the warp knitting machine 1, but at a position where there is sufficient space for handling.
- the carrier elements 18 can be exchanged as a whole. If only a single active element holder is defective and needs to be replaced, the screw 10 can be loosened and the corresponding active element holder 3 removed.
- the attachment of the carrier elements 18 to the base body 17 is not shown in detail. It can be done, for example, by screwing.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
- Knitting Of Fabric (AREA)
Abstract
Es wird eine Wirkelement-Barrenanordnung (1) einer Kettenwirkmaschine angegeben mit einer Barre (2) und mehreren Wirkelementfassungen (3), von denen jede mehrere Wirkelemente (4) aufweist, wobei die Wirkelementfassungen (3) mit einer Barrenanlagefläche an der Barre (2) anliegen und lösbar an der Barre (2) befestigt sind.Man möchte Wartung und Instandhaltung einer derartigen Wirkelement-Barrenanordnung einfach gestalten.Hierzu ist vorgesehen, dass mindestens eine Wirkelementfassung (3) eine zu einer Seite offene Ausnehmung (6) aufweist, in der ein mit der Barre (2) verbundenes Klemmelement (10) angeordnet ist, das von einer der Barrenanlagefläche gegenüberliegenden Seite auf die Wirkelementfassung (3) wirkt.An active element bar arrangement (1) of a warp knitting machine is specified with a bar (2) and a plurality of active element frames (3), each of which has a plurality of active elements (4), the active element frames (3) having a bar contact surface on the bar (2) One would like to make maintenance and servicing of such an active element bar arrangement simple. For this purpose, it is provided that at least one active element holder (3) has a recess (6) open to one side, in which a is arranged with the bar (2) connected clamping element (10) which acts on the opposite side of the bar contact surface on the active element holder (3).
Description
Die vorliegende Erfindung betrifft eine Wirkelement-Barrenanordnung einer Kettenwirkmaschine mit einer Barre und mehreren Wirkelementfassungen, von denen jede mehrere Wirkelemente aufweist, wobei die Wirkelementfassungen mit einer Barrenanlagefläche an der Barre anliegen und lösbar an der Barre befestigt sind.The present invention relates to a knitting element bar arrangement of a warp knitting machine with a bar and a plurality of knitting element frames, each of which has several knitting elements, the knitting element frames resting against the bar with a bar contact surface and being releasably attached to the bar.
Zur Befestigung von Wirkelementen an der Barre einer Kettenwirkmaschine gibt es im Wesentlichen zwei Möglichkeiten. Eine Möglichkeit besteht darin, an der Barre eine Wirkelementaufnahme vorzusehen, beispielsweise in Form von Nuten oder Schlitzen, die senkrecht zur Längserstreckung der Barre gerichtet sind. In diese Nuten oder Schlitze werden die Wirkelemente einzeln eingelegt und dann mit einem Deckel oder dergleichen festgehalten und am Herausfallen gehindert.There are essentially two options for attaching knitting elements to the bar of a warp knitting machine. One possibility is to provide an active element receptacle on the bar, for example in the form of grooves or slots which are directed perpendicular to the longitudinal extension of the bar. The active elements are inserted individually into these grooves or slots and then held with a cover or the like and prevented from falling out.
Eine andere Möglichkeit besteht darin, mehrere Wirkelemente in einer sogenannten Wirkelementfassung zusammenzufassen. Üblicherweise werden die Wirkelemente in die Wirkelementfassung eingegossen. Die Wirkelementfassung besteht in diesem Fall aus Blei oder einem anderen Metall oder auch aus Kunststoff oder einer Kombination davon. Eine Wirkelementfassung hat in der Regel eine Breite von 1 oder 2 Zoll und entsprechend viele Wirkelemente.Another possibility is to combine several active elements in a so-called active element holder. The active elements are usually cast into the active element holder. In this case, the active element holder consists of lead or another metal or also of plastic or a combination thereof. An active element holder usually has a width of 1 or 2 inches and a corresponding number of active elements.
Die Erfindung betrifft die letztgenannte Möglichkeit.The invention relates to the latter possibility.
Bei der Montage einer Wirkelementfassung an der Barre wird eine Schraube durch ein Loch in der Wirkelementfassung geführt und die Schraube wird dann in die Barre eingeschraubt.When installing an active element holder on the bar, a screw is passed through a hole in the active element holder and the screw is then screwed into the bar.
Die Wirkelemente sind allerdings Verschleißteile der Kettenwirkmaschine, die von Zeit zu Zeit ausgetauscht werden müssen. Zum Austauschen muss dann wiederum die Schraube gelöst werden. Die Schraube muss aus der Wirkelementfassung herausgezogen und in eine neue Wirkelementfassung hineingesteckt werden. Danach muss die Schraube wieder in die Barre eingeschraubt werden. Diese Vorgehensweise ist nicht nur aufwändig. Da eine Barre oft eine Länge von mehreren Metern und eine entsprechend große Anzahl von Wirkelementfassungen aufweist, kommt es vielfach vor, dass eine Schraube herunterfällt und gesucht werden muss. Das Risiko, dass die Schraube in die Kettenwirkmaschine hineinfällt und dort im Betrieb größere Schäden anrichtet, ist zu groß. Dementsprechend ist der Austausch einer Wirkelementfassung zeitaufwändig und erfordert geschultes und geschicktes Personal.
Der Erfindung liegt die Aufgabe zugrunde, Wartung und Instandhaltung einer Wirkelement-Barrenanordnung einer Kettenwirkmaschine einfach zu gestalten.However, the active elements are wear parts of the warp knitting machine, which must be replaced from time to time. The screw must then be loosened for replacement. The screw must be pulled out of the active element socket and inserted into a new active element socket. Then the screw must be screwed back into the bar. This procedure is not only complex. Since a bar often has a length of several meters and a correspondingly large number of active element sockets, it often happens that a screw falls down and must be searched for. The risk of the screw falling into the warp knitting machine and causing greater damage there during operation is too great. Accordingly, the replacement of an active element holder is time-consuming and requires trained and skillful personnel.
The invention has for its object to make maintenance and servicing of an active element bar arrangement of a warp knitting machine simple.
Diese Aufgabe wird bei einer Wirkelement-Barrenanordnung der eingangs genannten Art dadurch gelöst, dass mindestens eine Wirkelementfassung eine zu einer Seite offene Ausnehmung aufweist, in der ein mit der Barre verbundenes Klemmelement angeordnet ist, das von einer der Barrenanlagefläche gegenüberliegenden Seite auf die Wirkelementfassung wirkt.This object is achieved in an active element bar arrangement of the type mentioned at the outset in that at least one active element holder has a recess which is open on one side and in which a clamping element connected to the bar is arranged, which acts on the active element holder from a side opposite the parallel bar contact surface.
Mit einer derartigen Ausbildung ist der Austausch einer Wirkelementfassung relativ einfach und wenig fehleranfällig. Man muss das Klemmelement lösen, das allerdings mit der Barre weiter verbunden bleiben kann. Nach dem Lösen des Klemmelements kann die Wirkelementfassung herausgezogen werden. Hierbei kann die Wirkelementfassung über eine kleine Strecke mit ihrer Barrenanlagefläche auf der entsprechenden Gegenfläche der Barre gleiten. Sobald die Wirkelementfassung den Wirkbereich des Klemmelements verlassen hat, ist die Wirkelementfassung von der Barre freigekommen und kann entfernt werden. Der Einbau einer neuen Wirkelementfassung erfolgt in umgekehrter Reihenfolge. Die Wirkelementfassung wird mit ihrer Barrenanlagefläche an der Barre zur Anlage gebracht und mit der offenen Ausnehmung zum Klemmelement geschoben, so dass sich das Klemmelement dann in der Ausnehmung befindet. Das Klemmelement kann dann wieder gespannt werden und hält die Wirkelementfassung sicher an der Barre fest. Das einzige Teil, das von der Barre getrennt werden muss, ist die Wirkelementfassung. Dementsprechend können keine weiteren Teile verloren gehen.With such a design, the replacement of an active element holder is relatively simple and less prone to errors. You have to loosen the clamping element, which, however, can remain connected to the bar. After loosening the clamping element, the active element holder can be pulled out. Here, the active element holder can slide over a small distance with its bar contact surface on the corresponding counter surface of the bar. As soon as the active element holder has left the effective area of the clamping element, the active element holder has been released from the bar and can be removed. The installation a new active element holder takes place in reverse order. The active element holder is brought into contact with the bar contact surface on the bar and pushed with the open recess to the clamping element, so that the clamping element is then in the recess. The clamping element can then be tensioned again and holds the active element holder securely on the bar. The only part that has to be separated from the bar is the active element holder. Accordingly, no further parts can be lost.
Vorzugsweise ist die Ausnehmung auf der den Wirkelementen abgewandten Seite der Wirkelementfassung angeordnet. Die Wirkelementfassung kann dann quer zur Längserstreckung der Barre abgezogen und in umgekehrter Richtung, also ebenfalls quer zur Längserstreckung der Barre, wieder montiert werden. Damit ist es möglich, eine einzelne Wirkelementfassung auszutauschen, ohne dass man benachbarte Wirkelementfassungen ebenfalls entnehmen muss.The recess is preferably arranged on the side of the active element holder facing away from the active elements. The active element holder can then be pulled off transversely to the longitudinal extent of the bar and reassembled in the opposite direction, that is also transversely to the longitudinal extent of the bar. This makes it possible to replace a single active element holder without having to remove neighboring active element holders as well.
Vorzugsweise ist die Ausnehmung seitlich von zwei Schenkeln begrenzt und das Klemmelement wirkt auf die Schenkel. Die Ausnehmung ist also mit anderen Worten U-förmig ausgebildet. Das Klemmelement ist dann inmitten des U angeordnet und wirkt nur oder zumindest auch auf die Schenkel. Dies hat den Vorteil, dass das Risiko, dass sich die Schenkel spreizen, kleingehalten werden kann. Bei einem Spreizen der Schenkel würde sich die Wirkelementfassung verformen, was die Positionierung der Wirkelemente zueinander negativ beeinflussen könnte.The recess is preferably delimited laterally by two legs and the clamping element acts on the legs. In other words, the recess is U-shaped. The clamping element is then arranged in the middle of the U and acts only or at least also on the legs. This has the advantage that the risk of the legs spreading can be kept low. If the legs were spread, the active element holder would deform, which could have a negative effect on the positioning of the active elements with respect to one another.
Vorzugsweise ist zwischen dem Klemmelement und der Wirkelementfassung ein flächig auf die Wirkelementfassung wirkendes verdrehgesichertes Zwischenstück angeordnet. Mit dem flächig auf die Wirkelementfassung wirkenden Zwischenstück, das beispielsweise einfach als Platte ausgebildet sein kann, lässt sich die Klemmkraft über das Wirkelement flächig verteilen. Durch die Verdrehsicherung ist immer eine bestimmte Lage des Zwischenstücks zur Wirkelementfasung gewährleistet. Beides dies trägt dazu bei, einer Verformung der Wirkelementfassung entgegenzuwirken. Das Risiko, dass man nach der Montage der Wirkelementfassung die Wirkelemente wieder richten muss, wird dementsprechend klein gehalten.A non-rotatable intermediate piece, which acts flat on the active element holder, is preferably arranged between the clamping element and the active element holder. The clamping force can be distributed over the entire area of the active element by means of the intermediate piece, which acts flat on the active element holder and can, for example, simply be designed as a plate. Through the anti-twist device a certain position of the intermediate piece to the active element chamfer is always guaranteed. Both of these contribute to counteracting deformation of the active element holder. The risk that the active elements must be straightened again after the active element holder has been installed is accordingly kept small.
Auch ist von Vorteil, wenn das Zwischenstück eine Vorsprunganordnung aufweist, die in Richtung auf die Barre gerichtet ist und einem Spreizen der Schenkel entgegenwirkt. Die Vorsprunganordnung befindet sich beispielsweise auf der Außenseite der Schenkel, so dass die Schenkel an der Vorsprunganordnung zur Anlage kommen würden, wenn sie sich spreizen würden. Das Zwischenstück bildet also eine Art Verriegelung.It is also advantageous if the intermediate piece has a projection arrangement which is directed in the direction of the bar and counteracts spreading of the legs. The projection arrangement is located, for example, on the outside of the legs, so that the legs would come into contact with the projection arrangement if they spread apart. The intermediate piece thus forms a kind of lock.
Hierbei ist von Vorteil, wenn die Wirkelementfassung eine an die Vorsprunganordnung angepasste Gegengeometrie aufweist, die mit der Vorsprunganordnung zusammenwirkt. Beispielsweise kann die Vorsprunganordnung im Querschnitt dreieckförmig ausgebildet sein. Die Wirkelementfassung weist dann entsprechend angeschrägt Abschnitte an den Schenkeln auf.It is advantageous here if the active element holder has a counter geometry that is adapted to the projection arrangement and that cooperates with the projection arrangement. For example, the projection arrangement can be triangular in cross section. The active element holder then has correspondingly beveled sections on the legs.
Mit Vorteil wirkt eine Federanordnung in eine von der Barre wegweisende Richtung auf das Zwischenstück. Die Federanordnung sorgt dafür, dass das Zwischenstück in einem Abstand von der Barre gehalten wird, der nötig ist, um eine neue Wirkelementfassung zu montieren. Dies erleichtert die Montage. Nach der Demontage einer Wirkelementfassung bleibt ein Freiraum erhalten, in den eine neue Wirkelementfassung eingeschoben werden kann.A spring arrangement advantageously acts on the intermediate piece in a direction pointing away from the bar. The spring arrangement ensures that the spacer is held at a distance from the bar that is necessary to mount a new active element holder. This makes assembly easier. After disassembling an active element holder, a free space remains in which a new active element holder can be inserted.
Vorzugsweise weist die Federanordnung einen O-Ring auf, der das Klemmelement umgibt. Ein O-Ring aus einem Elastomer ist ein kostengünstiges Bauelement, das beim Spannen des Klemmelements geringfügig zusammengedrückt werden kann. Der O-Ring weist eine Dicke oder Höhe auf, die geringfügig größer ist als die Dicke der Wirkelementanordnung.The spring arrangement preferably has an O-ring which surrounds the clamping element. An O-ring made of an elastomer is a cost-effective component that compresses slightly when the clamping element is tensioned can be. The O-ring has a thickness or height that is slightly larger than the thickness of the active element arrangement.
Vorzugsweise weist die Barre einen Anschlag für die Wirkelementfassung auf. Dies hat zwei Vorteile. Zum einen wird eine Position der Wirkelementfassung quer zur Längserstreckung der Barre definiert, zum anderen bildet der Anschlag eine Verdrehsicherung, die verhindert, dass sich die Wirkelementfassung beim Spannen des Klemmelements oder im Betrieb verdreht.The bar preferably has a stop for the active element holder. This has two advantages. On the one hand, a position of the active-element holder is defined transversely to the longitudinal extent of the bar, on the other hand, the stop forms an anti-rotation device which prevents the active-element holder from rotating when the clamping element is tensioned or during operation.
Vorteilhafterweise ist das Klemmelement als Schraube oder Gewindebolzen ausgebildet. Zum Lösen des Klemmelements ist es ausreichend, die Schraube oder den Gewindebolzen beispielsweise um eine Umdrehung zu drehen. Damit wird die Klemmkraft soweit abgesenkt, dass die Wirkelementfassung von der Barre entfernt werden kann. Zum Festlegen der Wirkelementfassung ist dann wiederum nur eine entsprechende Umdrehung der Schraube oder des Gewindebolzens in die entgegengesetzte Richtung erforderlich. Der Austausch einer Wirkelementfassung kann also mit geringem Aufwand erfolgen.The clamping element is advantageously designed as a screw or threaded bolt. To release the clamping element, it is sufficient to turn the screw or the threaded bolt, for example, by one turn. This lowers the clamping force to such an extent that the active element holder can be removed from the bar. To fix the active element holder, only a corresponding rotation of the screw or the threaded bolt in the opposite direction is then required. The replacement of an active element holder can therefore be carried out with little effort.
Vorzugsweise weist die Barre einen Grundkörper und eine sich in Längsrichtung des Grundkörpers erstreckende Trägerelementanordnung auf, wobei die Klemmeinrichtung an der Trägerelementanordnung angeordnet ist und die Trägerelementanordnung demontierbar am Grundkörper befestigt ist. Eine derartige Ausbildung hat insbesondere bei dem kompletten Austausch alle Wirkelementfassungen Vorteile. Man kann die Wirkelementfassung an der Trägerelementanordnung montieren, solange die Trägerelementanordnung noch nicht am Grundkörper befestigt ist. Beispielsweise kann man die Trägerelementanordnung auch maschinell bestücken und gegebenenfalls auch das Richten der Wirkelemente automatisch oder maschinengesteuert vornehmen. Die Trägerelementanordnung kann dann am Grundkörper befestigt werden. An der Kettenwirkmaschine selbst, an der in der Regel nur wenig Platz für eine Bedienungsperson zur Verfügung steht, sind dann nur noch wenige Handgriffe nötig. Die Befestigung der Trägerelementanordnung am Grundkörper kann beispielsweise durch Schrauben oder dergleichen erfolgen.The bar preferably has a base body and a support element arrangement extending in the longitudinal direction of the base body, the clamping device being arranged on the support element arrangement and the support element arrangement being detachably fastened to the base body. Such a design has advantages in particular for the complete replacement of all active element holders. The active element holder can be mounted on the carrier element arrangement as long as the carrier element arrangement is not yet fastened to the base body. For example, the support element arrangement can also be equipped mechanically and, if appropriate, the active elements can also be straightened automatically or under machine control. The carrier element arrangement can then be attached to the base body. On the warp knitting machine itself, where there is usually little space available for an operator then only a few steps are required. The support element arrangement can be attached to the base body, for example, by screws or the like.
Vorteilhafterweise weist die Trägerelementanordnung mehrere Trägerelemente auf, die in Längsrichtung der Barre nebeneinander angeordnet sind. Ein derartiges Trägerelement kann beispielsweise eine Länge von 21 Zoll (53,34cm) aufweisen. Ein Trägerelement mit einer derartigen Länge ist gut handhabbar und zum Grundkörper positionierbar. Damit sind Teilungsdifferenzen über die gesamte Breite der Barre kompensierbar.The carrier element arrangement advantageously has a plurality of carrier elements which are arranged next to one another in the longitudinal direction of the bar. Such a carrier element can, for example, have a length of 21 inches (53.34 cm). A carrier element with such a length is easy to handle and can be positioned relative to the base body. Differences in division over the entire width of the bar can thus be compensated for.
Die Erfindung wird im Folgenden anhand von bevorzugten Ausführungsbeispielen in Verbindung mit der Zeichnung beschrieben. Hierin zeigen:
- Fig. 1
- eine stark schematisierte Ansicht von Wirkelementfassungen an einer Barre,
- Fig. 2
- die Barre mit einer Wirkelementfassung von der Seite,
- Fig. 3
- ein Zwischenstück und
- Fig. 4
- eine abgewandelte Ausführungsform einer Barrenanordnung.
- Fig. 1
- a highly schematic view of active element sockets on a bar,
- Fig. 2
- the bar with an active element holder from the side,
- Fig. 3
- an intermediate piece and
- Fig. 4
- a modified embodiment of a bar arrangement.
In
Man kann erkennen, dass die Wirkelementfassung 3 eine Ausnehmung 6 aufweist, die zum Rand der Wirkelementfassung 3 hin offen ist und zwar an der Seite der Wirkelementfassung 3, die von den Wirkelementen 4 abgewandt ist.It can be seen that the active-
Die Ausnehmung 6 wird seitlich durch zwei Schenkel 7, 8 begrenzt, so dass die Ausnehmung im Wesentlichen die Form eines "U" hat. Der Boden des "U" muss allerdings nicht gekrümmt sein. Das "U" kann auch eine annähernd rechteckige Form aufweisen.The
Die Barre 2 weist eine Gewindebohrung 9 auf, in die eine Schraube 10 (
Die in
Um die Befestigung zu bewirken, ist ein Zwischenstück 11 vorgesehen, das auch als "Klemmplatte" bezeichnet werden kann und flächig auf die Wirkelementfassung 3 wirkt. Das Zwischenstück 11 überdeckt auch die Schenkel 7, 8. Das Zwischenstück 11 ist verdrehgesichert. Es kann nur in einer oder einer kleinen Anzahl von Drehwinkellagen auf die Wirkelementfassung 3 wirken. Damit ist sichergestellt, dass man immer eine vorbestimmte Spannkraftverteilung auf die Wirkelemenfassung 3 erhält.In order to effect the attachment, an
Die Wirkelementfassung 3 wird endgültig an der Barre 2 befestigt, wenn die oben erwähnte Schraube 10 in die Barre 2 eingeschraubt wird, siehe die linke Wirkelementfassung.The
Man kann auch vorsehen, dass die Vorsprünge 12, 13 nicht auf die Außenseite der Schenkel 7, 8 wirken, sondern in den Schenkeln 7, 8 entsprechende Vertiefungen vorgesehen sind, in die die Vorsprünge 12, 13 eintreten können. In diesem Fall muss das Zwischenstück 11 nicht eine größere Breite als die Wirkelementfassung 3 aufweisen.It can also be provided that the
Die Schraube 10 ist von einem O-Ring 14 umgeben. Der O-Ring 14 hat eine Dicke, die im entspannten Zustand geringfügig größer ist als die Dicke der Wirkelementfassung 3. Der O-Ring 14 bildet eine Federanordnung, die das Zwischenstück 11 dann, wenn die Schraube 10 etwas gelöst ist, von der Barre 2 wegdrückt.The
Die Barre 2 weist einen Anschlag 15 auf, an dem die Schenkel 7, 8 der Wirkelementfassung 3 anliegen können, wenn die Wirkelementfassung 3 an der Barre 2 montiert ist. Der Anschlag 15 bildet damit eine Positionierhilfe. Er bildet darüber hinaus aber auch eine Verdrehsicherung, so dass die Wirkelementfassung 3 mit einer vorbestimmten Ausrichtung an der Barre 2 montiert werden kann, wobei sich diese Ausrichtung auch dann nicht ändert, wenn die Schraube 10 angezogen wird.The
Für ein Auswechseln einer Wirkelementfassung 3 sind nun folgende Schritte erforderlich. Zuerst muss die Schraube 10 etwas gelöst werden. Hierfür reicht in der Regel eine Umdrehung aus. Die Schraube 10 kann also in der Barre 2 verbleiben. Sie kann damit nicht verloren gehen.
Sobald die Schraube 10 soweit gelöst ist, dass das Zwischenstück 11 die Wirkelementfassung 3 nicht mehr gegen die Barre 2 drückt, kann die Wirkelementfassung 3 in Richtung des Doppelpfeils 16 von der Barre 2 abgezogen werden. Diese Richtung des Doppelpfeils 16 verläuft etwa senkrecht zur Längserstreckung der Barre 2. Das Zwischenstück 11 bleibt dabei in einem gewissen Abstand zur Barre 2, weil der O-Ring 14 ein Annähern des Zwischenstücks 11 an die Barre 2 verhindert.The following steps are now required to replace an
As soon as the
Man kann dann eine neue oder überarbeitete Wirkelementfassung 3 in den vom O-Ring 14 freigehaltenen Zwischenraum zwischen dem Zwischenstück 11 und der Barre 2 einschieben und zwar so lange, bis die Wirkelementfassung 3 zur Anlage an den Anschlag 15 kommt. Danach muss lediglich die Schraube 10 wieder angezogen werden, wobei wiederum nur eine Umdrehung erforderlich ist, um die notwendige Klemmkraft zu erzeugen. Die Schraube 10 bildet damit ein Klemmelement. Andere Klemmelemente sind möglich, beispielsweise ein Spannhebel oder dergleichen.You can then insert a new or revised
Die Trägerelemente können zuvor schon mit den Wirkelementfassungen 3 bestückt worden sein und man kann die Wirkelemente 4 gerichtet haben. Dies kann auch maschinell erfolgen, weil dieses Richten nicht an der Kettenwirkmaschine 1 vorgenommen werden muss, sondern an einer Position, wo genügend Platz für die Handhabung zur Verfügung steht.The support elements can have been equipped with the
Die Schraube 10 und das Zwischenstück 11 sind dann an dem Trägerelement 18 befestigt.The
Wenn ein turnusgemäßer Austausch der Wirkelemente erforderlich ist, können die Trägerelemente 18 insgesamt ausgetauscht werden. Wenn nur eine einzelne Wirkelementfassung defekt ist und ausgetauscht werden muss, kann man die Schraube 10 lösen und die entsprechende Wirkelementfassung 3 entnehmen.If a regular replacement of the active elements is required, the
Die Befestigung der Trägerelemente 18 am Grundkörper 17 ist nicht näher dargestellt. Sie kann beispielsweise durch Schrauben erfolgen.The attachment of the
Claims (12)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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ES20175602T ES2922225T3 (en) | 2020-05-20 | 2020-05-20 | Arrangement of knitting member bars of a warp knitting machine |
EP20175602.0A EP3683343B1 (en) | 2020-05-20 | 2020-05-20 | Knitting implement bar assembly of a warp knitting machine |
CN202010679403.9A CN113699676B (en) | 2020-05-20 | 2020-07-15 | Knitting element bar assembly of warp knitting machine |
TW110114575A TWI791213B (en) | 2020-05-20 | 2021-04-22 | Knitting element bar assembly for warp knitting machines |
KR1020210063594A KR102572235B1 (en) | 2020-05-20 | 2021-05-17 | Knitting element bar arrangement of a warp knitting machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20175602.0A EP3683343B1 (en) | 2020-05-20 | 2020-05-20 | Knitting implement bar assembly of a warp knitting machine |
Publications (3)
Publication Number | Publication Date |
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EP3683343A2 true EP3683343A2 (en) | 2020-07-22 |
EP3683343A3 EP3683343A3 (en) | 2020-12-09 |
EP3683343B1 EP3683343B1 (en) | 2022-05-18 |
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EP20175602.0A Active EP3683343B1 (en) | 2020-05-20 | 2020-05-20 | Knitting implement bar assembly of a warp knitting machine |
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---|---|
EP (1) | EP3683343B1 (en) |
KR (1) | KR102572235B1 (en) |
CN (1) | CN113699676B (en) |
ES (1) | ES2922225T3 (en) |
TW (1) | TWI791213B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111910336A (en) * | 2020-08-19 | 2020-11-10 | 吴闩闩 | Hollow needle bed for textile warp knitting machine |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2694302A (en) * | 1952-12-31 | 1954-11-16 | Carl E Weinberg | Mechanism for warp knitting machines |
IT1067328B (en) * | 1976-12-28 | 1985-03-16 | Brevitex Ets Exploit | IMPROVEMENTS TO CROCHET MACHINES, FOR THE PURPOSE OF INCREASING THE WORKING SPEED |
DE9403286U1 (en) * | 1994-02-28 | 1994-05-05 | Jos. Zimmermann GmbH & Co KG, 52062 Aachen | Module for tufting tools |
KR200180755Y1 (en) * | 1999-12-01 | 2000-05-15 | 주식회사코스마 | An equipment of socks knitter to exclude yarns and finish |
DE10041193B4 (en) * | 2000-08-23 | 2004-07-22 | Karl Mayer Textilmaschinenfabrik Gmbh | Warp knitting machine with several pattern bars |
JP4287035B2 (en) * | 2000-09-28 | 2009-07-01 | 日本マイヤー株式会社 | Device for individually controlling jacquard guides in warp knitting machines |
CN201116328Y (en) * | 2008-01-08 | 2008-09-17 | 郑依福 | Integrated warp knitting machine jacquard yarn guiding device |
EP2570541B1 (en) * | 2011-09-16 | 2014-03-26 | Karl Mayer Textilmaschinenfabrik GmbH | Actuating tool bar |
CN103966756B (en) * | 2014-05-26 | 2015-12-09 | 江南大学 | Groove pin warp knitting machine based on servo-drive forms the method for pressure yarn tissue |
EP3587644B1 (en) * | 2018-06-22 | 2021-03-10 | KARL MAYER STOLL R&D GmbH | Warp knitting tool mounting unit |
-
2020
- 2020-05-20 ES ES20175602T patent/ES2922225T3/en active Active
- 2020-05-20 EP EP20175602.0A patent/EP3683343B1/en active Active
- 2020-07-15 CN CN202010679403.9A patent/CN113699676B/en active Active
-
2021
- 2021-04-22 TW TW110114575A patent/TWI791213B/en active
- 2021-05-17 KR KR1020210063594A patent/KR102572235B1/en active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111910336A (en) * | 2020-08-19 | 2020-11-10 | 吴闩闩 | Hollow needle bed for textile warp knitting machine |
CN111910336B (en) * | 2020-08-19 | 2021-10-29 | 浙江中多纺织科技股份有限公司 | Hollow needle bed for textile warp knitting machine |
Also Published As
Publication number | Publication date |
---|---|
CN113699676B (en) | 2023-12-01 |
KR102572235B1 (en) | 2023-08-29 |
TWI791213B (en) | 2023-02-01 |
EP3683343A3 (en) | 2020-12-09 |
KR20210143665A (en) | 2021-11-29 |
EP3683343B1 (en) | 2022-05-18 |
CN113699676A (en) | 2021-11-26 |
ES2922225T3 (en) | 2022-09-12 |
TW202202682A (en) | 2022-01-16 |
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