EP3511460A2 - Warp knitting machine and method for operator assistance in a warp knitting machine - Google Patents
Warp knitting machine and method for operator assistance in a warp knitting machine Download PDFInfo
- Publication number
- EP3511460A2 EP3511460A2 EP19172049.9A EP19172049A EP3511460A2 EP 3511460 A2 EP3511460 A2 EP 3511460A2 EP 19172049 A EP19172049 A EP 19172049A EP 3511460 A2 EP3511460 A2 EP 3511460A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- knitting machine
- warp knitting
- guide bar
- drive
- warp
- 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 95
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 5
- 206010016352 Feeling of relaxation Diseases 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 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
- D04B27/10—Devices for supplying, feeding, or guiding threads to needles
- D04B27/24—Thread guide bar assemblies
- D04B27/32—Thread guide bar assemblies with independently-movable thread guides controlled by Jacquard mechanisms
-
- 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
-
- 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
- D04B27/26—Shogging devices therefor
-
- 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
- D04B27/14—Thread tensioning rod arrangements
Definitions
- the invention relates to a warp knitting machine with a guide bar, with a plunger and with a spring system that pull the guide bar in the direction of the plunger and can press on this.
- Warp knitting machines of this type are known from the prior art. That's how it shows CN 205676612 U an arrangement that allows to drive a guide bar via a plunger.
- a pattern device that moves the plunger in motion.
- a spring system of the arrangement is formed by a pull rope on which a tensile force is exerted by springs.
- the traction cable transmits the tensile force to the guide bar, whereby the guide bar is pressed against the plunger.
- the warp threads required for warp knitting are supplied by warp beams of the warp knitting machine.
- To change the warp beams it is necessary to unhook the guide bar.
- the pull cable To unhook the guide bar, the pull cable must first be released from the guide bar. Since the pull rope exerts a considerable force on the guide bar, it can not be removed by hand. Instead, the spring system must be dismantled with the help of tools. This is awkward and takes a relatively long time.
- the invention is therefore based on the object to support the operator of the warp knitting machine when hanging the guide bar, so that this process is simplified.
- the object is achieved by providing a warp knitting machine which has a drive which can act on the spring-loaded system in such a way that a tensile force exerted on the guide bar by the spring-loaded system changes.
- the tensile force of the spring system can be reduced to the guide bar.
- a pull rope of the spring tension system is relaxed.
- the pull rope can then be removed manually from the guide bar.
- the guide bar is no longer used by the spring tension system on the plunger. Thus, the operator can remove the plunger and take further steps to unhook the guide bar.
- the drive can act directly or indirectly on the spring tension system.
- An action of the drive on the spring tension system is to be understood as meaning that the drive exerts a force on the spring tension system, so that a state of the spring tension system changes.
- the drive can be coupled to the spring tension system or can be coupled to the spring tension system.
- the drive can be arranged according to the invention away from the spring tension system or integrated into this.
- the warp knitting machine has a control unit which is adapted to drive the drive so that the tensile force exerted by the spring tension system on the guide bar is reduced when the warp knitting machine receives a command to unhook the guide bar.
- the control unit can be set up in this way that it can receive the command, whereupon the control unit controls the drive accordingly.
- the control unit may be a machine computer, a microcontroller, a PLC module or the like.
- the command can be transmitted to the warp knitting machine via an input unit, such as a keyboard, via a network connection or via a radio link. The command is then forwarded to the control unit.
- the spring tension system has a bolt which is displaceable under the action of the drive in the direction of the guide bar.
- the bolt is preferably connected via at least one spring of the spring system with a component of the warp knitting machine. This allows the spring system to build its traction.
- the drive can exert a force on the bolt in the opposite direction to the tensile force of the spring system, ie in the direction of the guide bar.
- the spring system can according to the invention also have a pull rope, which is connected directly or indirectly to the bolt.
- the pull rope can be connected to the guide bar, for example, it can be hung on the guide bar. If the bolt is displaced in the direction of the guide bar, then a tension is reduced under which the pull rope stands.
- the warp knitting machine has a sliding body with a guide channel in which the bolt is mounted. It is inventively possible that in the guide channel at least one spring of the spring system is arranged, which connects the bolt with the thrust body.
- the thrust body is a component of Warp knitting machine guiding the bolt. In an advantageous embodiment of the invention, the thrust body engages the plunger, so that the guide bar can be driven via the thrust body.
- the warp knitting machine has a force transmission element, wherein the thrust body and the force transmission element are displaceable relative to each other by the drive.
- the thrust body and / or the force transmission element are moved by the drive, so that their position changes relative to each other.
- the thrust body and the force transmission element are coupled with different drives. In the displacement of the thrust body and the power transmission element relative to each other, the force transmission element acts on the bolt, so that the bolt is displaced, which in turn reduces the tension exerted by the spring tension system on the guide bar.
- the guide channel preferably forms an opening on a side of the push body facing away from the guide bar.
- the opening provides access to the bolt of the spring system. The bolt can thus be displaced starting from the side facing away from the guide bar side of the thrust body.
- the bolt protrudes out of the opening in a holding position in which the guide bar is pressed against the plunger by the spring pull system.
- the power transmission element exerts no forces on the bolt and the at least one spring of the spring system keeps the bolt in a position in which he protrudes from the opening.
- the bolt is thus particularly easy to access.
- the power transmission element is preferably a stop which can be brought into operative connection with the bolt by a displacement of the thrust body and the stopper relative to one another. It is preferred if the force transmission element is arranged on the side of the thrust body, which faces away from the guide bar. It is inventively possible that during the relative movement of the thrust body and the stop of the thrust body is moved in the direction of the stop and the stop is stopped. It is alternatively possible that during the relative movement of the thrust body and the stop, the stop is moved in the direction of the thrust body and the thrust body is stationary.
- the drive is a pattern device of the warp knitting machine.
- the pattern device of the warp knitting machine is preferably connected to the pushing body so that the patterning device can displace the pushing body.
- the pattern device is a special drive device of the warp knitting machine, which is adapted to cause a displacement of the guide bar in the longitudinal direction.
- the pattern device can according to the invention be a pattern disk, a servomotor or another drive.
- the warp knitting machine has a control unit, which is set up to control a pattern device of the warp knitting machine such that the pattern device the guide bar is displaced along a longitudinal axis of the guide bar, and at the same time to drive a warp beam drive of the warp knitting machine so that a thread tension of warp threads which run between a warp beam of the warp knitting machine and the guide bar, is kept constant during the displacement of the guide bar. This serves to avoid overstressing the warp threads, as described below.
- the guide bar must be moved along its longitudinal axis to unhook it. It is moved much further than during the knitting process. This usually has the consequence that warp threads, which run between the warp beam and the guide bar, are strongly stretched. The threads can be damaged. Therefore, it can be inventively provided that at the same time for shifting the guide bar a corresponding amount of thread is released by the warp beam.
- the warp beam must be driven by a warp beam drive accordingly.
- the invention further relates to a method for operator assistance in a warp knitting machine with a guide bar.
- the method according to the invention is configured so that a drive of the warp knitting machine acts on a spring tension system of the warp knitting machine, so that a tensile force exerted by the spring tension system on a guide bar of the warp knitting machine is changed.
- the force exerted by the spring tension system on the warp knitting machine force is reduced by the drive when the warp knitting machine receives a command to unhook the guide bar.
- the warp knitting machine may receive the command via an input unit such as a keyboard, a network connection, a radio link, or the like.
- a bolt of the spring system is preferably displaced in the adjustment of the force exerted by the spring tension system force under the action of the drive in the direction of the guide bar.
- the method can be configured such that a thrust body of the warp knitting machine in which the bolt is mounted and a force transmission element of the warp knitting machine are displaced relative to each other by the drive.
- the method is particularly preferably carried out such that a pattern device of the warp knitting machine is controlled so that the pattern device displaces the guide bar and at the same time a warp beam drive of the warp knitting machine is controlled such that a thread tension of warp threads which run between a warp beam of the warp knitting machine and the guide bar, is kept constant during the relocation of the guide bar.
- Fig. 1 shows a schematic representation of a warp knitting machine 1 according to the invention with a tensioned spring tension system 2.
- the warp knitting machine 1 has a guide bar 3 and a needle bar 4.
- Several warp beams 5 of the warp knitting machine 1 carry warp threads 6, wherein in Fig. 1 only one warp 6 is shown as an example.
- the warp threads 6 are guided by the warp beams 5 to the guide bar 3. Below the guide bar 3, the warp threads 6 are caught in a knitting process of knitting needles, not shown, the needle bar 4 and knitted into a fabric.
- Fig. 2 shows a schematic representation of the spring tension system 2 and a thrust body 7, a plunger 8 and a stop 9 of the warp knitting machine 1.
- the in Fig. 2 only partially illustrated guide bar 3 must in the Acting process to be moved along its longitudinal axis.
- the movement is caused by a drive, not shown, the warp knitting machine, which is connected via a drive rod 18 to the thrust body 7.
- the drive is a patterning device having a servomotor.
- the pattern device moves the thrust body 7 by means of the drive rod 18 in motion.
- the thrust body 7 in turn displaces the plunger 8, which drives the guide bar 3 of the warp knitting machine.
- a tension cable 10 of the spring tension system 2 pulls the guide bar 3 in the direction of the sliding body 7, so that the guide bar 3 is pressed against the plunger 8.
- the stop 9 is arranged on a side facing away from the guide bar 3 side of the thrust body 7.
- the drive rod 18 is merely passed through the stop 9 and is not in operative connection with this.
- Fig. 3 shows a schematic representation of the thrust body 7 and the spring tension system 2 in a sectional view.
- a bolt 11 of the spring tension system 2 is mounted in a guide channel 12 of the thrust body 7.
- the thrust body 7 has an opening 13 on the side facing away from the guide bar side of the thrust body 7.
- a spring assembly 14 of the spring tension system 2 exerts a tensile force on the pin 11.
- the pull cable 10 of the spring tension system 2 is tensioned and the bolt 11 protrudes from the opening 13.
- the plunger 8 is shown only in sections, it is pressed in the holding position due to the tensile force of the spring system 2 to the thrust body 7.
- Fig. 4 shows a schematic representation of the warp knitting machine 1, wherein the spring tension system 2 relaxes is.
- the warp knitting machine 1 In order to unhook the guide bar 3, it must be brought down by pins 15 on which the guide bar 3 is seated. A user gives a command to the warp knitting machine 1.
- An unillustrated control unit of the warp knitting machine 1 then causes the guide bar 3 to be displaced in the direction of ends of the pins 15. This is done by the pattern device of the warp knitting machine 1, which moves the thrust body 7 in a displacement direction 16. Since a comparatively large offset path has to be overcome by the guide bar 3, a warp beam drive of the warp knitting machine 1 is simultaneously controlled by the control unit. This drives the warp beams 5. This ensures that the warp threads 6, of which only one is shown by way of example, are subject to a constant thread tension despite the long offset travel.
- the thrust body 7 is moved in the direction of the stop 9 until the in Fig. 4 shown state.
- the in Fig. 4 invisible bolts of the spring system 2, which previously protruded from the opening of the thrust body 7, has now been almost completely pressed into the guide channel of the thrust body 7.
- the pull cable 10 has relaxed.
- the traction cable 10 can now be released from the guide bar 3 and the plunger 8 can be removed from the space between the thrust body 7 and the guide bar 3. Subsequently, the guide bar 3 can be lowered manually by the pin 15.
- Fig. 5 shows a schematic representation of the spring tension system 2 and the thrust body 7 and the stopper 9, wherein the spring tension system 2 is relaxed.
- the traction cable 10 of the spring tension system 2 hangs loose and can be deducted from a retaining pin 17 of the guide bar 3.
- Fig. 6 shows a second embodiment of the invention, in which a stop 9 is displaced.
- a spring tension system 2 of the warp knitting machine according to the invention is shown.
- the stop 9 is assigned its own drive rod 18 so that it can be relocated.
- About the associated drive rod 18 of the stop 11 is coupled to a stopper drive, not shown, which is provided in addition to a pattern device of the warp knitting machine. If a bolt 11 of the spring system 2 is to be pressed into the thrust body 7 to loosen a pull cable 10 of the spring system 2, then the stop 9 is moved by the stop drive in a displacement direction 16 until the stop 9 abuts the thrust body 7.
- the thrust body 7 remains stationary during this time.
- Fig. 7 shows a third embodiment of the invention, in which a drive 19 of the warp knitting machine according to the invention is integrated in a sliding body 7 of the warp knitting machine.
- a spring tension system 2 is attached in the thrust body 7. If a pull cable 10 of the spring tension system 2 is to be loosened, so that a force exerted on a guide bar by the spring tension system 2 tensile force is changed, then the drive 19 is activated.
- a gear 20 of the drive 19 is connected to a rack 21 which is fixed to a pin 11 of the spring tension system 2 in engagement. By a rotation of the gear 20, the pin 11 is displaced, so that changes the force exerted by the spring tension system 2 on a guide bar tensile force.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
Die Erfindung betrifft eine Kettenwirkmaschine mit einer Legebarre (3), mit einem Stößel (8) und mit einem Federzugsystem (2), das die Legebarre (3) in Richtung des Stößels (8) ziehen und an diesen andrücken kann. Erfindungsgemäß weist die Kettenwirkmaschine (1) einen Antrieb auf, der auf das Federzugsystem (2) so einwirken kann, dass sich eine von dem Federzugsystem (2) auf die Legebarre (3) ausgeübte Zugkraft ändert. Die Erfindung betrifft außerdem ein Verfahren zur Bedienerunterstützung bei einer Kettenwirkmaschine (1), wobei erfindungsgemäß ein Antrieb der Kettenwirkmaschine (1) auf ein Federzugsystem (2) der Kettenwirkmaschine (1) einwirkt, sodass eine von dem Federzugsystem (2) auf eine Legebarre (3) der Kettenwirkmaschine (1) ausgeübte Zugkraft verändert wird. The invention relates to a warp knitting machine with a guide bar (3), with a plunger (8) and with a spring tension system (2), which can pull the guide bar (3) in the direction of the plunger (8) and press them. According to the invention, the warp knitting machine (1) has a drive which can act on the spring tension system (2) in such a way that a tensile force exerted by the spring tension system (2) on the guide bar (3) changes. The invention also relates to a method for operator assistance in a warp knitting machine (1), wherein according to the invention a drive of the warp knitting machine (1) acts on a spring tension system (2) of the warp knitting machine (1), so that one of the spring tension system (2) on a guide bar (3 ) of the warp knitting machine (1) applied tensile force is changed.
Description
Die Erfindung betrifft eine Kettenwirkmaschine mit einer Legebarre, mit einem Stößel und mit einem Federzugsystem, das die Legebarre in Richtung des Stößels ziehen und an diesen andrücken kann.The invention relates to a warp knitting machine with a guide bar, with a plunger and with a spring system that pull the guide bar in the direction of the plunger and can press on this.
Kettenwirkmaschinen dieser Art sind aus dem Stand der Technik bekannt. So zeigt die
Die zum Kettenwirken benötigten Kettfäden werden von Kettbäumen der Kettenwirkmaschine geliefert. Zum Wechsel der Kettbäume ist es notwendig, die Legebarre auszuhängen. Zum Aushängen der Legebarre muss zunächst das Zugseil von der Legebarre gelöst werden. Da das Zugseil eine erhebliche Kraft auf die Legebarre ausübt, kann es nicht händisch entfernt werden. Stattdessen muss das Federzugsystem mit Hilfe von Werkzeugen demontiert werden. Dies ist umständlich und nimmt relativ viel Zeit in Anspruch.The warp threads required for warp knitting are supplied by warp beams of the warp knitting machine. To change the warp beams, it is necessary to unhook the guide bar. To unhook the guide bar, the pull cable must first be released from the guide bar. Since the pull rope exerts a considerable force on the guide bar, it can not be removed by hand. Instead, the spring system must be dismantled with the help of tools. This is awkward and takes a relatively long time.
Der Erfindung liegt deshalb die Aufgabe zu Grunde, beim Aushängen der Legebarren den Bediener der Kettenwirkmaschine zu unterstützen, sodass dieser Vorgang vereinfacht wird.The invention is therefore based on the object to support the operator of the warp knitting machine when hanging the guide bar, so that this process is simplified.
Die Aufgabe wird gelöst, indem eine Kettenwirkmaschine bereitgestellt wird, die einen Antrieb aufweist, der auf das Federzugsystem so einwirken kann, dass sich eine von dem Federzugsystem auf die Legebarre ausgeübte Zugkraft ändert. So kann beispielsweise die Zugkraft des Federzugsystems auf die Legebarre vermindert werden. Dabei wird ein Zugseil des Federzugsystems entspannt. Das Zugseil kann anschließend händisch von der Legebarre entfernt werden. Die Legebarre wird nun nicht mehr durch das Federzugsystem an den Stößel herangezogen. Somit kann der Bediener den Stößel entnehmen und weitere Schritte vornehmen, um die Legebarre auszuhängen.The object is achieved by providing a warp knitting machine which has a drive which can act on the spring-loaded system in such a way that a tensile force exerted on the guide bar by the spring-loaded system changes. For example, the tensile force of the spring system can be reduced to the guide bar. In this case, a pull rope of the spring tension system is relaxed. The pull rope can then be removed manually from the guide bar. The guide bar is no longer used by the spring tension system on the plunger. Thus, the operator can remove the plunger and take further steps to unhook the guide bar.
Erfindungsgemäß kann der Antrieb direkt oder indirekt auf das Federzugsystem einwirken. Unter einer Einwirkung des Antriebs auf das Federzugsystem ist zu verstehen, dass der Antrieb auf das Federzugsystem eine Kraft ausübt, sodass sich ein Zustand des Federzugsystems ändert. Der Antrieb kann hierzu erfindungsgemäß mit dem Federzugsystem gekoppelt sein oder mit dem Federzugsystem koppelbar sein. Der Antrieb kann erfindungsgemäß von dem Federzugsystem entfernt angeordnet sein oder in dieses integriert sein.According to the invention, the drive can act directly or indirectly on the spring tension system. An action of the drive on the spring tension system is to be understood as meaning that the drive exerts a force on the spring tension system, so that a state of the spring tension system changes. For this purpose, the drive can be coupled to the spring tension system or can be coupled to the spring tension system. The drive can be arranged according to the invention away from the spring tension system or integrated into this.
Es ist vorteilhaft, wenn die Kettenwirkmaschine eine Kontrolleinheit aufweist, die dazu eingerichtet ist, den Antrieb so anzusteuern, dass die von dem Federzugsystem auf die Legebarre ausgeübte Zugkraft vermindert wird, wenn die Kettenwirkmaschine einen Befehl zum Aushängen der Legebarre erhält. Die Kontrolleinheit kann dabei so eingerichtet sein, dass sie den Befehl empfangen kann, woraufhin die Kontrolleinheit den Antrieb entsprechend ansteuert. Bei der Kontrolleinheit kann es sich erfindungsgemäß um einen Maschinenrechner, einen Microcontroller, ein SPS-Modul oder dergleichen handeln. Der Befehl kann erfindungsgemäß über eine Eingabeeinheit wie eine Tastatur, über Netzwerkwerkverbindung oder über eine Funkverbindung an die Kettenwirkmaschine übermittelt werden. Der Befehl wird dann an die Kontrolleinheit weitergeleitet.It is advantageous if the warp knitting machine has a control unit which is adapted to drive the drive so that the tensile force exerted by the spring tension system on the guide bar is reduced when the warp knitting machine receives a command to unhook the guide bar. The control unit can be set up in this way that it can receive the command, whereupon the control unit controls the drive accordingly. According to the invention, the control unit may be a machine computer, a microcontroller, a PLC module or the like. According to the invention, the command can be transmitted to the warp knitting machine via an input unit, such as a keyboard, via a network connection or via a radio link. The command is then forwarded to the control unit.
Es ist bevorzugt, wenn das Federzugsystem einen Bolzen aufweist, der unter Einwirkung des Antriebs in Richtung der Legebarre verlagerbar ist. Der Bolzen ist bevorzugt über mindestens eine Feder des Federzugsystems mit einem Bauteil der Kettenwirkmaschine verbunden. Dadurch kann das Federzugsystem seine Zugkraft aufbauen. Der Antrieb kann eine Kraft auf den Bolzen in Gegenrichtung zu der Zugkraft des Federzugsystems ausüben, also in Richtung der Legebarre. Das Federzugsystem kann neben dem Bolzen erfindungsgemäß auch ein Zugseil aufweisen, das mit dem Bolzen direkt oder indirekt verbunden ist. Das Zugseil kann mit der Legebarre verbunden werden, beispielsweise kann es an der Legebarre eingehängt werden. Wird der Bolzen in Richtung der Legebarre verlagert, dann reduziert sich eine Spannung, unter der das Zugseil steht.It is preferred if the spring tension system has a bolt which is displaceable under the action of the drive in the direction of the guide bar. The bolt is preferably connected via at least one spring of the spring system with a component of the warp knitting machine. This allows the spring system to build its traction. The drive can exert a force on the bolt in the opposite direction to the tensile force of the spring system, ie in the direction of the guide bar. The spring system can according to the invention also have a pull rope, which is connected directly or indirectly to the bolt. The pull rope can be connected to the guide bar, for example, it can be hung on the guide bar. If the bolt is displaced in the direction of the guide bar, then a tension is reduced under which the pull rope stands.
Es ist besonders bevorzugt, wenn die Kettenwirkmaschine einen Schubkörper mit einem Führungskanal aufweist, in dem der Bolzen gelagert ist. Es ist erfindungsgemäß möglich, dass in dem Führungskanal mindestens eine Feder des Federzugsystems angeordnet ist, die den Bolzen mit dem Schubkörper verbindet. Bei dem Schubkörper handelt es sich um ein Bauteil der Kettenwirkmaschine, das den Bolzen führt. Bei einer vorteilhaften Ausführungsform der Erfindung greift der Schubkörper an den Stößel an, sodass die Legebarre über den Schubkörper angetrieben werden kann.It is particularly preferred if the warp knitting machine has a sliding body with a guide channel in which the bolt is mounted. It is inventively possible that in the guide channel at least one spring of the spring system is arranged, which connects the bolt with the thrust body. The thrust body is a component of Warp knitting machine guiding the bolt. In an advantageous embodiment of the invention, the thrust body engages the plunger, so that the guide bar can be driven via the thrust body.
Es ist erfindungsgemäß möglich, dass die Kettenwirkmaschine ein Kraftübertragungselement aufweist, wobei der Schubkörper und das Kraftübertragungselement durch den Antrieb relativ zueinander verlagerbar sind. So ist es möglich, dass der Schubkörper und/oder das Kraftübertragungselement durch den Antrieb bewegt werden, sodass sich deren Position relativ zueinander ändert. Es ist erfindungsgemäß ferner möglich, dass der Schubkörper und das Kraftübertragungselement mit unterschiedlichen Antrieben gekoppelt sind. Bei der Verlagerung des Schubkörpers und des Kraftübertragungselements relativ zueinander wirkt das Kraftübertragungselement auf den Bolzen ein, sodass der Bolzen verlagert wird, wodurch wiederum die Zugspannung, die das Federzugsystem auf die Legebarre ausübt, verringert wird.It is inventively possible that the warp knitting machine has a force transmission element, wherein the thrust body and the force transmission element are displaceable relative to each other by the drive. Thus, it is possible that the thrust body and / or the force transmission element are moved by the drive, so that their position changes relative to each other. It is further possible according to the invention that the thrust body and the force transmission element are coupled with different drives. In the displacement of the thrust body and the power transmission element relative to each other, the force transmission element acts on the bolt, so that the bolt is displaced, which in turn reduces the tension exerted by the spring tension system on the guide bar.
Der Führungskanal bildet vorzugsweise auf einer von der Legebarre abgewandten Seite des Schubkörpers eine Öffnung. Die Öffnung stellt einen Zugang zu dem Bolzen des Federzugsystems her. Der Bolzen kann somit ausgehend von der von der Legebarre abgewandten Seite des Schubkörpers verlagert werden.The guide channel preferably forms an opening on a side of the push body facing away from the guide bar. The opening provides access to the bolt of the spring system. The bolt can thus be displaced starting from the side facing away from the guide bar side of the thrust body.
Gemäß einer besonderen Ausführungsform der Erfindung ragt der Bolzen in einer Haltestellung, in der die Legebarre durch das Federzugsystem an den Stößel angedrückt wird, aus der Öffnung heraus. In der Haltestellung übt das Kraftübertragungselement keine Kräfte auf den Bolzen aus und die mindestens eine Feder des Federzugsystems hält den Bolzen in einer Position, in der er aus der Öffnung hervorragt. Der Bolzen ist somit besonders leicht zugänglich.According to a particular embodiment of the invention, the bolt protrudes out of the opening in a holding position in which the guide bar is pressed against the plunger by the spring pull system. In the holding position, the power transmission element exerts no forces on the bolt and the at least one spring of the spring system keeps the bolt in a position in which he protrudes from the opening. The bolt is thus particularly easy to access.
Das Kraftübertragungselement ist vorzugsweise ein Anschlag, der durch eine Verlagerung des Schubkörpers und des Anschlags relativ zueinander mit dem Bolzen in eine Wirkverbindung gebracht werden kann. Dabei ist es bevorzugt, wenn das Kraftübertragungselement auf der Seite des Schubkörpers angeordnet ist, die von der Legebarre abgewandt ist. Es ist erfindungsgemäß möglich, dass bei der Relativbewegung des Schubkörpers und des Anschlags der Schubkörper in Richtung des Anschlags bewegt wird und der Anschlag stillsteht. Es ist alternativ möglich, dass bei der Relativbewegung des Schubkörpers und des Anschlags der Anschlag in Richtung des Schubkörpers bewegt wird und der Schubkörper stillsteht.The power transmission element is preferably a stop which can be brought into operative connection with the bolt by a displacement of the thrust body and the stopper relative to one another. It is preferred if the force transmission element is arranged on the side of the thrust body, which faces away from the guide bar. It is inventively possible that during the relative movement of the thrust body and the stop of the thrust body is moved in the direction of the stop and the stop is stopped. It is alternatively possible that during the relative movement of the thrust body and the stop, the stop is moved in the direction of the thrust body and the thrust body is stationary.
Es ist vorteilhaft, wenn der Antrieb eine Mustereinrichtung der Kettenwirkmaschine ist. Die Mustereinrichtung der Kettenwirkmaschine ist bevorzugt mit dem Schubkörper verbunden, sodass die Mustereinrichtung den Schubkörper verlagern kann. Bei der Mustereinrichtung handelt es sich um eine spezielle Antriebsvorrichtung der Kettenwirkmaschine, die dazu geeignet ist, einen Versatz der Legebarre in Längsrichtung zu bewirken. Bei der Mustereinrichtung kann es sich erfindungsgemäß um eine Musterscheibe, einen Servomotor oder einen sonstigen Antrieb handeln.It is advantageous if the drive is a pattern device of the warp knitting machine. The pattern device of the warp knitting machine is preferably connected to the pushing body so that the patterning device can displace the pushing body. In the pattern device is a special drive device of the warp knitting machine, which is adapted to cause a displacement of the guide bar in the longitudinal direction. The pattern device can according to the invention be a pattern disk, a servomotor or another drive.
Gemäß einer besonderen Ausführungsform der Erfindung weist die Kettenwirkmaschine eine Kontrolleinheit auf, die dazu eingerichtet ist, eine Mustereinrichtung der Kettenwirkmaschine so anzusteuern, dass die Mustereinrichtung die Legebarre entlang einer Längsachse der Legebarre verlagert, und gleichzeitig einen Kettbaumantrieb der Kettenwirkmaschine so anzusteuern, dass eine Fadenspannung von Kettfäden, die zwischen einem Kettbaum der Kettenwirkmaschine und der Legebarre verlaufen, bei der Verlagerung der Legebarre konstant gehalten wird. Dies dient dazu, eine Überbeanspruchung der Kettfäden zu vermeiden, wie nachfolgend beschrieben wird.According to a particular embodiment of the invention, the warp knitting machine has a control unit, which is set up to control a pattern device of the warp knitting machine such that the pattern device the guide bar is displaced along a longitudinal axis of the guide bar, and at the same time to drive a warp beam drive of the warp knitting machine so that a thread tension of warp threads which run between a warp beam of the warp knitting machine and the guide bar, is kept constant during the displacement of the guide bar. This serves to avoid overstressing the warp threads, as described below.
Die Legebarre muss entlang ihrer Längsachse verlagert werden, um sie auszuhängen. Dabei wird sie deutlich weiter bewegt als beim Wirkvorgang. Dies hat normalerweise zur Folge, dass Kettfäden, die zwischen dem Kettbaum und der Legebarre verlaufen, stark gespannt werden. Dabei können die Fäden beschädigt werden. Deshalb kann es erfindungsgemäß vorgesehen sein, dass gleichzeitig zur Verlagerung der Legebarre eine entsprechende Fadenmenge durch den Kettbaum freigegeben wird. Dazu muss der Kettbaum durch einen Kettbaumantrieb entsprechend angetrieben werden. Durch die auf die Verlagerung der Legebarre genau abgestimmte Abwicklung der Kettfäden vom Kettbaum wird es vermieden, dass entweder zu viel oder zu wenig Fadenmaterial freigegeben wird. Dies erleichtert die Arbeitsschritte, die vor dem Aushängen der Legebarre durchgeführt werden müssen.The guide bar must be moved along its longitudinal axis to unhook it. It is moved much further than during the knitting process. This usually has the consequence that warp threads, which run between the warp beam and the guide bar, are strongly stretched. The threads can be damaged. Therefore, it can be inventively provided that at the same time for shifting the guide bar a corresponding amount of thread is released by the warp beam. For this purpose, the warp beam must be driven by a warp beam drive accordingly. By handling the warp yarns exactly from the warp beam on the relocation of the guide bar, it is avoided that either too much or too little yarn material is released. This facilitates the work steps that have to be carried out before unhooking the guide bar.
Die Erfindung betrifft ferner ein Verfahren zur Bedienerunterstützung bei einer Kettenwirkmaschine mit einer Legebarre. Das Verfahren ist erfindungsgemäß so ausgestaltet, ein Antrieb der Kettenwirkmaschine auf ein Federzugsystem der Kettenwirkmaschine einwirkt, sodass eine von dem Federzugsystem auf eine Legebarre der Kettenwirkmaschine ausgeübte Zugkraft verändert wird.The invention further relates to a method for operator assistance in a warp knitting machine with a guide bar. The method according to the invention is configured so that a drive of the warp knitting machine acts on a spring tension system of the warp knitting machine, so that a tensile force exerted by the spring tension system on a guide bar of the warp knitting machine is changed.
Vorzugsweise wird die von dem Federzugsystem auf die Kettenwirkmaschine ausgeübte Kraft durch den Antrieb vermindert, wenn die Kettenwirkmaschine einen Befehl zum Aushängen der Legebarre erhält. Die Kettenwirkmaschine kann den Befehl über eine Eingabeeinheit wie eine Tastatur, eine Netzwerkverbindung, eine Funkverbindung oder dergleichen erhalten. Ein Bolzen des Federzugsystems wird bei der Anpassung der von dem Federzugsystem ausgeübten Kraft bevorzugt unter Einwirkung des Antriebs in Richtung der Legebarre verlagert. Das Verfahren kann erfindungsgemäß so ausgestaltet sein, dass ein Schubkörper der Kettenwirkmaschine, in dem der Bolzen gelagert ist, und ein Kraftübertragungselement der Kettenwirkmaschine durch den Antrieb relativ zueinander verlagert werden.Preferably, the force exerted by the spring tension system on the warp knitting machine force is reduced by the drive when the warp knitting machine receives a command to unhook the guide bar. The warp knitting machine may receive the command via an input unit such as a keyboard, a network connection, a radio link, or the like. A bolt of the spring system is preferably displaced in the adjustment of the force exerted by the spring tension system force under the action of the drive in the direction of the guide bar. According to the invention, the method can be configured such that a thrust body of the warp knitting machine in which the bolt is mounted and a force transmission element of the warp knitting machine are displaced relative to each other by the drive.
Besonders bevorzugt wird das Verfahren so durchgeführt, dass eine Mustereinrichtung der Kettenwirkmaschine so angesteuert wird, dass die Mustereinrichtung die Legebarre verlagert und gleichzeitig ein Kettbaumantrieb der Kettenwirkmaschine so angesteuert wird, dass eine Fadenspannung von Kettfäden, die zwischen einem Kettbaum der Kettenwirkmaschine und der Legebarre verlaufen, bei der Verlagerung der Legebarre konstant gehalten wird.The method is particularly preferably carried out such that a pattern device of the warp knitting machine is controlled so that the pattern device displaces the guide bar and at the same time a warp beam drive of the warp knitting machine is controlled such that a thread tension of warp threads which run between a warp beam of the warp knitting machine and the guide bar, is kept constant during the relocation of the guide bar.
Mögliche Ausführungsformen der Erfindung werden in den Zeichnungen dargestellt. Dabei zeigt:
-
Fig. 1 eine schematische Darstellung einer erfindungsgemäßen Kettenwirkmaschine mit einem Federzugsystem, -
Fig. 2 eine schematische Darstellung des Federzugsystems sowie eines Schubkörpers, eines Stößels und eines Anschlags der Kettenwirkmaschine, -
Fig. 3 eine schematische Darstellung des Schubkörpers und des Federzugsystems in einer Schnittansicht, -
Fig. 4 eine schematische Darstellung der Kettenwirkmaschine, wobei das Federzugsystem entspannt ist, -
Fig. 5 eine schematische Darstellung des Federzugsystems sowie des Schubkörpers und des Anschlags der Kettenwirkmaschine, wobei das Federzugsystem entspannt ist. -
Fig. 6 eine zweite Ausführungsform der Erfindung, bei welcher ein Anschlag verlagert wird und -
Fig. 7 eine dritte Ausführungsform der Erfindung, bei welcher ein Antrieb in einen Schubkörper der Kettenwirkmaschine integriert ist.
-
Fig. 1 a schematic representation of a warp knitting machine according to the invention with a spring tension system, -
Fig. 2 a schematic representation of the Federzugsystems and a thrust body, a plunger and a stop of the warp knitting machine, -
Fig. 3 a schematic representation of the thrust body and the Federzugsystems in a sectional view, -
Fig. 4 a schematic representation of the warp knitting machine, wherein the spring tension system is relaxed, -
Fig. 5 a schematic representation of the spring system and the thrust body and the stop of the warp knitting machine, wherein the spring tension system is relaxed. -
Fig. 6 a second embodiment of the invention, in which a stop is displaced and -
Fig. 7 a third embodiment of the invention, in which a drive is integrated in a sliding body of the warp knitting machine.
Der Schubkörper 7 wird in Richtung des Anschlags 9 bewegt, bis sich der in
- 1.1.
- KettenwirkmaschineWarp knitting machine
- 2.Second
- FederzugsystemFederzugsystem
- 3.Third
- Legebarreguide bar
- 4.4th
- Nadelbarreneedle bar
- 5.5th
- Kettbaumwarp beam
- 6.6th
- Kettfadenwarp
- 7.7th
- Schubkörperthrust body
- 8.8th.
- Stößeltappet
- 9.9th
- Anschlagattack
- 10.10th
- Zugseilrope
- 11.11th
- Bolzenbolt
- 12.12th
- Führungskanalguide channel
- 13.13th
- Öffnungopening
- 14.14th
- Federpaketspring assembly
- 15.15th
- Zapfenspigot
- 16.16th
- Verlagerungsrichtungdisplacement direction
- 17.17th
- Haltestiftretaining pin
- 18.18th
- Antriebsstangedrive rod
- 19.19th
- Antriebdrive
- 20.20th
- Zahnradgear
- 21.21st
- Zahnstangerack
Claims (15)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19172049.9A EP3511460B1 (en) | 2019-04-30 | 2019-04-30 | Warp knitting machine and method for user support for a warp knitting machine |
CN201911029790.5A CN111850806B (en) | 2019-04-30 | 2019-10-28 | Warp knitting machine and method for assisting operator in warp knitting machine |
TW109105007A TWI740381B (en) | 2019-04-30 | 2020-02-17 | Warp knitting machine and method for assisting operator in warp knitting machine |
KR1020200040381A KR102372118B1 (en) | 2019-04-30 | 2020-04-02 | Warp knitting machine and method for operator assistance in a warp knitting machine |
JP2020072077A JP7014846B2 (en) | 2019-04-30 | 2020-04-14 | How to support users in warp knitting machines and warp knitting machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP19172049.9A EP3511460B1 (en) | 2019-04-30 | 2019-04-30 | Warp knitting machine and method for user support for a warp knitting machine |
Publications (3)
Publication Number | Publication Date |
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EP3511460A2 true EP3511460A2 (en) | 2019-07-17 |
EP3511460A3 EP3511460A3 (en) | 2019-09-18 |
EP3511460B1 EP3511460B1 (en) | 2021-06-02 |
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EP19172049.9A Active EP3511460B1 (en) | 2019-04-30 | 2019-04-30 | Warp knitting machine and method for user support for a warp knitting machine |
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EP (1) | EP3511460B1 (en) |
JP (1) | JP7014846B2 (en) |
KR (1) | KR102372118B1 (en) |
CN (1) | CN111850806B (en) |
TW (1) | TWI740381B (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205676612U (en) | 2016-04-12 | 2016-11-09 | 常德纺织机械有限公司 | A kind of resetting means of EL type electronic guide bar shogging parts |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58104254A (en) * | 1981-12-10 | 1983-06-21 | 日本マイヤ−株式会社 | Yarn supply method of pattern yarn in warp knitting machine |
DE4114012C3 (en) * | 1991-04-29 | 1996-07-04 | Liba Maschf | Warp knitting machine with individually movable thread guides attached to a bar |
DE4130030C3 (en) * | 1991-09-10 | 1996-03-21 | Mayer Textilmaschf | Warp knitting machine with bar |
KR940011011A (en) * | 1992-11-20 | 1994-06-20 | 이중덕 | Method for preparing anti-tumor protein polysaccharide |
DE4303967C2 (en) * | 1993-02-10 | 1995-03-30 | Liba Maschf | Warp knitting machine with individually movable thread guides attached to a bar |
JP3874835B2 (en) * | 1996-03-25 | 2007-01-31 | 株式会社トキメック | Anti-vibration device |
DE102004031268A1 (en) * | 2004-06-29 | 2006-02-02 | Karl Mayer Textilmaschinenfabrik Gmbh | Legebarrenantrieb in a knitting machine |
CN102021741A (en) * | 2010-11-30 | 2011-04-20 | 常州市武进五洋纺织机械有限公司 | Electronic shift device |
CN201933274U (en) * | 2010-11-30 | 2011-08-17 | 常州市武进五洋纺织机械有限公司 | Electronic traverse motion device |
EP3095904B1 (en) * | 2015-05-21 | 2017-03-22 | Karl Mayer Textilmaschinenfabrik GmbH | Guide bar assembly for a warp knitting machine |
CN204825259U (en) * | 2015-07-21 | 2015-12-02 | 常州市赛嘉机械有限公司 | Connection buffer of tricot machine sley bar sideslip |
CN207362444U (en) * | 2017-10-24 | 2018-05-15 | 福建信亿机械科技有限公司 | A kind of novel warp knitting machine electronics horizontal movement mechanism |
-
2019
- 2019-04-30 EP EP19172049.9A patent/EP3511460B1/en active Active
- 2019-10-28 CN CN201911029790.5A patent/CN111850806B/en active Active
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CN205676612U (en) | 2016-04-12 | 2016-11-09 | 常德纺织机械有限公司 | A kind of resetting means of EL type electronic guide bar shogging parts |
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KR20200126895A (en) | 2020-11-09 |
EP3511460B1 (en) | 2021-06-02 |
CN111850806B (en) | 2021-08-27 |
CN111850806A (en) | 2020-10-30 |
EP3511460A3 (en) | 2019-09-18 |
JP7014846B2 (en) | 2022-02-01 |
JP2020183604A (en) | 2020-11-12 |
TWI740381B (en) | 2021-09-21 |
KR102372118B1 (en) | 2022-03-07 |
TW202041738A (en) | 2020-11-16 |
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