JP2011251815A - Bobbin conveyance system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bobbin conveyance system capable of preventing tray stagnation in a conveyance passage and suppressing a cost increase.SOLUTION: The bobbin conveyance system 2 includes a first main conveyance passage 21 conveying a tray T loaded with a bobbin B from an automatic winder 3 to a spinning machine 1 continuously, a residual yarn detecting device 211 prepared in the first main conveyance passage 21 to detect whether yarn Y is wound around the bobbin B, and a bypass conveyance passage 20 branching from the downstream side of the residual yarn detecting device 211 in the first main conveyance passage 21 to the convey trays T loaded with the bobbin B to the upstream side of the residual yarn detecting device 211, wherein a first yarn amount detecting device 231 detecting a winding amount of the yarn Y wound around the bobbin B and a residual yarn processing device 233 disposing of the yarn Y wound around the bobbin B are deployed in the bypass conveyance passage 20.

Description

  The present invention relates to a technology of a bobbin conveyance system that directly connects a spinning machine and an automatic winder.

  Conventionally, a bobbin conveyance system (link corner type conveyance system) in which a spinning machine for spinning yarn is adjacent to an automatic winder and the spinning machine and the automatic winder are directly connected by a conveyance path has been known.

  The bobbin conveying system is provided with a remaining yarn processing device that discards the yarn (residual yarn) remaining in a state of being wound around the bobbin. In the conventional bobbin conveying system, after this remaining yarn processing device disposes of the yarn remaining on the bobbin to form an empty bobbin, the tray on which the empty bobbin is mounted is conveyed to the spinning machine. It was.

  However, in such a bobbin conveying system, it is determined whether or not the yarn remains on all bobbins to be conveyed, and the remaining yarn processing device is used to remove the yarn from the remaining bobbin. Since it is necessary to discard the bobbin tray that waits for the determination of whether or not the yarn remains and the disposal of the yarn remain in the conveyance path, the conveyance processing capacity may be reduced.

  Therefore, a conveyance path where the residual yarn processing device is arranged and a conveyance path where no residual yarn treatment device is arranged are provided, and the bobbin is based on the winding amount of the yarn remaining in the state of being wound around the bobbin. A bobbin transport system has been proposed in which the tray is sent out to one of the transport paths (see, for example, Patent Document 1).

  However, in such a bobbin conveyance system, it is necessary to merge again the tray sent out to the conveyance path where the residual yarn processing device is arranged and the tray sent out to the conveyance path where the residual yarn processing device is not arranged. However, the structure of the bobbin transport system is complicated, and the cost of the bobbin transport system is increased.

  In addition, an information storage medium is provided in a tray on which a bobbin is mounted and a conveyance path in which a residual yarn processing device is arranged and a conveyance path in which no residual yarn processing device is arranged, and based on a signal from the information storage medium Thus, there has been proposed a bobbin transport system in which the bobbin tray is sent out to one of the transport paths (see, for example, Patent Document 2).

  However, such a bobbin transport system requires not only an information storage medium for storing information on each bobbin but also a control system for processing signals with the information storage medium. There is a problem that it becomes complicated and causes an increase in cost of the bobbin conveying system.

JP-A-5-8944 Japanese Patent No. 3679562

  The present invention has been made to solve such a problem, and it is possible to prevent a tray from staying in a conveyance path directly connecting a spinning machine and an automatic winder while having a simple structure, and an increase in cost. It aims at providing the bobbin conveyance system which suppressed the above.

  Next, means for solving this problem will be described.

That is, the first invention is a first main transport path for continuously transporting a tray mounted with a bobbin from an automatic winder to a spinning machine;
A remaining yarn detection device that is arranged in the first main transport path and detects whether a yarn is wound around the bobbin;
A bobbin transport system comprising: a bypass transport path that branches from the downstream side of the remaining yarn detection device in the first main transport path and transports a tray having a bobbin mounted upstream of the remaining yarn detection device. Because
In the bypass conveyance path,
The first yarn amount detection unit for detecting the winding amount of the yarn wound around the bobbin and the remaining yarn processing device for disposing the yarn wound around the bobbin are disposed. .

The second invention further comprises a second main transport path for continuously transporting the tray on which the bobbin is mounted from the spinning machine to the automatic winder in the first invention,
The bypass conveyance path is
A portion of the second main transport path;
A first sub-transport path that branches from the downstream side of the remaining yarn detection device in the first main transport path and transports a tray on which a bobbin is mounted to the second main transport path;
A second sub-transport path that branches from the downstream side of the junction with the first sub-transport path in the second main transport path and transports the upstream side of the remaining yarn detection device in the first main transport path; Consists of
The first yarn amount detection unit and the remaining yarn processing device are provided in the first sub transport path.

  According to a third aspect of the present invention, in the first or second aspect, the remaining yarn processing device determines that the first yarn amount detection unit has a predetermined amount or less of the wound amount of the yarn wound around the bobbin. In this case, the yarn wound around the bobbin is discarded.

4th invention has the 1st switching apparatus which switches whether the said 1st main conveyance path sends out a tray to said 1st sub conveyance path in invention in any one of 1st to 3rd. ,
The first switching device is configured to send a tray on which the bobbin is mounted to the first sub-transport path when the remaining yarn detection device determines that the yarn is wound around the bobbin. .

According to a fifth invention, in the invention according to any one of the first to fourth aspects, the second main conveyance path includes a second yarn amount detection unit that detects a winding amount of the yarn wound around the bobbin,
A bobbin preparation device for pulling out the yarn end of the yarn wound around the bobbin;
A success / failure detection device that detects whether the bobbin preparation device has successfully pulled out the yarn end; and
A second switching device for switching whether to send out the tray to the second sub-transport path,
In the second switching device, when the second yarn amount detection unit determines that the winding amount of the yarn wound around the bobbin is equal to or less than a predetermined amount, the success / failure detection device succeeds in the yarn end portion drawing process. When it is determined that it has not been performed, the tray on which the bobbin is mounted is sent out to the second sub-transport path.

In a sixth aspect of the invention according to any one of the first to fifth aspects, the first main transport path includes a bobbin detection device that determines whether a bobbin is mounted on the tray.
The first switching device is configured to send the tray to the first sub-transport path when the bobbin detection device determines that the bobbin is not mounted on the tray.

  In a seventh aspect of the invention according to any one of the first to sixth aspects, the remaining yarn detection device includes a plurality of detection units, so that the yarn is wound around a plurality of bobbins simultaneously. It is said that it is detected.

  According to an eighth aspect of the present invention, in the seventh aspect, the detection unit is a residual yarn brush.

  As effects of the present invention, the following effects can be obtained.

  According to the first invention, since the tray on which the bobbin around which the yarn is wound is mounted is sent out to the first sub-transport path, the first main transport directly connecting the spinning machine and the automatic winder with a simple structure. It is possible to prevent the tray from staying in the path. As a result, it is possible to improve the tray transport processing capacity in the bobbin transport system.

  According to the second aspect of the present invention, the first main transport path and the second main transport path, which are directly connected to the spinning machine and the automatic winder and transport the tray on which the bobbin is mounted, are separated from the first main transport path. Since the yarn amount detection unit and the remaining yarn processing device are provided, it is possible to prevent the bobbins waiting for the remaining yarn processing from staying in the first main transport path and the second main transport path.

  According to the third invention, when the winding amount of the yarn is larger than the predetermined amount, the bobbin is not disposed in the second main conveyance path directly connecting the spinning machine and the automatic winder without discarding the yarn. Can be returned. When the yarn winding amount is equal to or less than a predetermined amount, the bobbin can be returned to the second main conveyance path directly connecting the spinning machine and the automatic winder as a waste disposal. As a result, the bobbin around which a relatively large number of yarns are wound can be conveyed to the automatic winder, and the number of yarns to be discarded can be reduced.

  According to the fourth aspect of the invention, it is possible to specify a full-winding bobbin, a half-bob bobbin, or a very small remaining yarn bobbin, and to send out the tray on which the bobbin is mounted to the first sub-transport path. Thereby, it is possible to prevent the bobbin remaining in a state where the yarn is wound from being conveyed to the spinning machine.

  According to the fifth aspect of the invention, it is possible to identify a minimal residual yarn bobbin, an empty bobbin, and a bobbin that has failed in the pulling-out process, and send the tray on which the bobbin is mounted to the second sub-transport path. As a result, it is possible to prevent an extremely small remaining yarn bobbin, an empty bobbin, and a bobbin that has failed in the drawing process from being conveyed to the automatic winder.

  According to the sixth aspect of the invention, it is possible to specify a tray on which no bobbin is mounted and send the tray to the first sub-transport path. Thereby, it can prevent that the tray in which the bobbin is not mounted | worn is conveyed to a spinning machine.

  According to the seventh and eighth inventions, the processing speed for detecting whether or not the yarn is wound around the bobbin is improved, and the tray stays in the first main conveyance path directly connecting the spinning machine and the automatic winder. Can be prevented. As a result, it is possible to improve the tray transport processing capacity in the bobbin transport system.

FIG. 1 is a diagram showing the overall configuration of the automatic winding equipment 100. FIG. 2 is a diagram showing a configuration of the bobbin transport system 2 according to the first embodiment of the present invention. 3A is a diagram illustrating an operation mode of the second yarn amount detection device 221 when the yarn Y is not wound around the bobbin B. FIG. FIG. 3B is a diagram illustrating an operation mode of the second yarn amount detection device 221 when the yarn Y is wound around the bobbin B. FIG. 4A is a diagram illustrating an operation mode of the bobbin preparation device 222. FIG. 4B is another diagram showing an operation mode of the bobbin preparation device 222. FIG. 5A is a diagram illustrating an operation mode of the remaining yarn detection device 211 when the yarn Y is not wound around the bobbin B. FIG. 5B is a diagram illustrating an operation mode of the remaining yarn detection device 211 when the yarn Y is wound around the bobbin B. FIG. 6 is a diagram illustrating a configuration of a remaining yarn detecting device 211 including a plurality of remaining yarn brushes 211a. FIG. 7A is a diagram illustrating an operation mode of the remaining yarn processing device 233. FIG. 7B is another diagram showing the operation of the remaining yarn processing device 233. FIG. 8A is a diagram in which the transport path of the tray T is changed by the second switching device 223 of the second main transport path 22. FIG. 8B is a diagram in which the transport path of the tray T is changed by the first switching device 212 of the first main transport path 21. FIG. 9A is a diagram showing a configuration of a bobbin conveyance system 2 according to another embodiment of the present invention. FIG. 9B is a diagram in which the transport path of the tray T is changed by the third switching device 234 of the bypass transport path 20. FIG. 10 is a diagram showing a configuration of the bobbin transport system 4 according to the second embodiment of the present invention. FIG. 11 is a diagram illustrating a state in which the tray T is sent out from the second main transport path 22 to the fourth sub transport path 26. FIG. 12A is a diagram in which the transport path of the subsequent tray T is changed depending on whether or not the tray T stays in the second main transport path 22. FIG. 12B is a diagram in which the transport path of the tray T is changed by the second switching device 223 of the second main transport path 22. FIG. 13A is a diagram in which the transport path of the tray T is changed by the fourth switching device 243 of the second sub transport path 24. FIG. 13B is a diagram in which the transport path of the tray T is changed by the first switching device 212 of the first main transport path 21.

  First, the automatic winding equipment 100 will be briefly described.

  FIG. 1 shows the overall configuration of the automatic winding equipment 100. The automatic winding equipment 100 mainly includes a spinning machine 1, a bobbin conveyance system 2, and an automatic winder 3.

  The spinning machine 1 is a ring spinning machine that winds around a bobbin B a yarn Y having a desired yarn characteristic by drawing and twisting the roving yarn. Further, the spinning machine 1 mounts the bobbin B around which the yarn Y is wound on the tray T, and continuously supplies the tray T to the bobbin conveying system 2.

  The bobbin conveying system 2 conveys the tray T on which the bobbin B on which the yarn Y is wound is mounted to the automatic winder 3, and also rotates the tray T on which the bobbin B on which the yarn Y is not wound is mounted 1 is conveyed. Specifically, the bobbin transport system 2 transports the tray T on which the bobbin B around which the yarn Y is wound is transported from the spinning machine 1 to the automatic winder 3 using a transport path including a conveyor. Further, the bobbin transport system 2 transports the tray T on which the bobbin B around which the yarn Y is not wound is mounted from the automatic winder 3 to the spinning machine 1 using a transport path including a conveyor.

  The automatic winder 3 includes a plurality of winder units 31. The winder unit 31 unwinds the yarn Y wound around the bobbin B, and when a defect is found in the yarn Y, the winder unit 31 cuts and removes the defect portion and rewinds it to another bobbin. Further, the winder unit 31 discharges the bobbin B in which the yarn Y is unwound and the yarn Y is not wound on the tray T, and supplies the bobbin B to the bobbin transport system 2.

  That is, the automatic winding equipment 100 supplies the bobbin B around which the yarn Y is wound to the automatic winder 3 using the bobbin conveying system 2, and the bobbin B where the yarn Y is unwound and the yarn Y is not wound is provided. Is returned to the spinning machine 1 using the bobbin conveying system 2.

  Thus, the automatic winding equipment 100 can continuously perform spinning by the spinning machine 1 and removal and rewinding of defective portions by the plurality of winder units 31.

  The bobbin B supplied from the spinning machine 1 has a full yarn Y, which is called a full bobbin Bf. Further, the bobbin B discharged from the winder unit 31 is not wound with the yarn Y, and this is called an empty bobbin Be. However, the bobbin B discharged from the winder unit 31 is not fully wound, but is again a half-bore bobbin Bh around which a yarn Y of an amount that can be rewound by the winder unit 31 is wound, or a small amount that cannot be rewound. A minimal residual yarn bobbin Bl around which the yarn Y is wound is included (see FIG. 1). That is, the full bobbin Bf refers to the bobbin B where the yarn Y has not yet been unwound, and the half ball bobbin Bh refers to the bobbin B where the yarn Y is not fully unwound but remains unwound. The minimal residual yarn bobbin B1 refers to the bobbin B in which the yarn Y is almost unwound and remains slightly, and the empty bobbin Be refers to the bobbin B in which the yarn Y is all unwound.

  Next, the bobbin conveyance system 2 according to the first embodiment of the present invention will be described in detail with reference to FIG. In addition, the arrow in a figure shows the conveyance direction of the tray T. FIG.

  The bobbin transport system 2 is provided with a second main transport path 22 for transporting the tray T on which the bobbin B is mounted from the spinning machine 1 to the automatic winder 3. In the second main transport path 22, along the transport direction of the tray T, a second thread amount detection device 221 that is a second yarn amount detection unit, a bobbin preparation device 222, and a second switching device 223 are provided. Be placed.

  The second yarn amount detection device 221 detects the winding amount of the yarn Y wound around the bobbin B.

  As shown in FIG. 3A, the second yarn amount detection device 221 is configured such that when the arm 221a that is pivotably disposed on the bobbin B conveyed by the second main conveyance path 22 does not contact the bobbin B Is determined to be a minimal residual yarn bobbin B1 or an empty bobbin Be in which sufficient yarn Y is not wound.

  On the other hand, as shown in FIG. 3B, the second yarn amount detection device 221 is configured such that when the arm 221 a arranged so as to be rotatable comes into contact with the bobbin B conveyed by the second main conveyance path 22, The winding amount of the yarn Y wound around the bobbin B is detected based on the rotational position of 221a. That is, the second yarn amount detection device 221 determines whether the bobbin Bf is a full bobbin Bf or a half bobbin Bh based on the rotational position of the arm 221a.

  The bobbin preparation device 222 arranges (draws out) the yarn end portion YE of the yarn Y wound around the bobbin B at a predetermined position.

  4A and 4B, the bobbin preparation device 222 includes a suction pipe 222a that mainly sucks air, and a suction pipe 222b that sucks air through the tray T and the internal passages of the bobbin B. The In addition, a yarn detection sensor which is a success / failure detection device 222c is disposed at the inner corner of the bent portion of the suction pipe 222a.

  Further, a cutter 222d capable of cutting the yarn Y is provided below the suction tube 222a, and an expandable / contractible bellows tube 222e is attached below the cutter 222d. The bellows tube 222e is movable so as to expand and contract by a motor (not shown), and is formed so as to cover the bobbin B when extended.

  Explaining the operation mode of the bobbin preparation device 222, as shown in FIG. 4A, the bobbin preparation device 222 first stops the tray T conveyed by the second main conveyance path 22 by a stopper (not shown). The bobbin preparation device 222 extends the bellows tube 222e to cover the bobbin B, and the suction tube 222a sucks air to capture the yarn end portion YE.

  Thereafter, as shown in FIG. 4B, when the bobbin preparation device 222 detects that the yarn detection sensor, which is the success / failure detection device 222c, has successfully captured the yarn end YE, the bobbin preparation device 222 contracts the bellows tube 222e, and the cutter 222d Disconnect. The suction pipe 222b sucks air through the tray T and the internal passage of the bobbin B, thereby capturing the yarn end YE (yarn end YE obtained by cutting with the cutter 222d).

  By doing so, the yarn end YE of the yarn Y wound around the bobbin B can be arranged at a predetermined position of the bobbin B, that is, inside the bobbin B (see the two-dot chain line in FIG. 4B). ). In this embodiment, when the yarn detection sensor which is the success / failure detection device 222c detects the capture of the yarn end portion YE, the yarn end portion YE has been successfully placed inside the bobbin B, that is, the drawing process. Pretends to be successful.

  The second switching device 223 switches whether the tray T is continuously sent out to the second main transport path 22 or to the second sub transport path 24 described later.

  As shown in FIG. 2, the bobbin transport system 2 is provided with a first main transport path 21 for transporting the tray T on which the bobbin B is mounted from the automatic winder 3 to the spinning machine 1. A remaining yarn detection device 211 and a first switching device 212 are arranged in the first main transport path 21 along the transport direction of the tray T.

  The remaining yarn detection device 211 detects the rotation position of the remaining yarn brush 211a rotated along the outer peripheral surface of the bobbin B, and determines whether or not the yarn Y is wound from the detected rotation position. It is a judgment.

  As shown in FIG. 5A, the remaining yarn detecting device 211 rotates the remaining yarn brush 211a along the outer peripheral surface of the bobbin B so that the remaining yarn brush 211a is not caught on the yarn Y. Determines that the yarn Y is not wound, that is, an empty bobbin Be.

  On the other hand, as shown in FIG. 5B, when the remaining yarn brush 211 a is rotated along the outer peripheral surface of the bobbin B and the remaining yarn brush 211 a is caught on the yarn Y, the bobbin B It is determined that the yarn Y remains in the wound state. That is, the remaining yarn detection device 211 determines that the yarn Y is wound around the bobbin B and is not at least the empty bobbin Be.

  Further, in the remaining yarn detection device 211, a bobbin detection device 211c (not shown) for determining whether or not the bobbin B is mounted on the tray T is disposed. The bobbin detection device 211c determines whether or not the bobbin B is always mounted on the tray T being conveyed.

  Further, as shown in FIG. 6, the remaining yarn detection device 211 may include a plurality of remaining yarn brushes 211a to detect whether or not the yarn Y is wound around a plurality of bobbins B at the same time. good. As a result, the processing speed for detecting whether or not the yarn Y is wound around the bobbin B, that is, whether or not the bobbin B is the empty bobbin Be is improved, and the tray T stays in the first main transport path 21. Can be prevented. And it becomes possible to improve the conveyance processing capacity of the tray T in the bobbin conveyance system 2.

  The first switching device 212 switches whether the tray T is continuously sent out to the first main transport path 21 or sent out to the first sub transport path 23 described later. The first switching device 212 has the same configuration as the second switching device 223 described above.

  Further, as shown in FIG. 2, in the bobbin transport system 2, the tray T on which the bobbin B is mounted is branched from the downstream side of the remaining yarn detection device 211 in the first main transport path 21, and the second main transport path 22. A first sub-transport path 23 is provided for transporting to the front. Specifically, the first sub conveyance path 23 communicates from the vicinity of the first switching device 212 arranged in the first main conveyance path 21 to the upstream side of the second yarn amount detection device 221 in the second main conveyance path 22. Is provided. A first yarn amount detector and a remaining yarn processing device 233 are arranged in the first sub-transport path 23 along the transport direction of the tray T.

  The first yarn amount detection unit includes a first yarn amount detection device 231 and a remaining yarn detection device 232, and the first yarn amount detection device 231 is rotated by coming into contact with the conveyed bobbin B. The rotation position of the arm 231a is detected, and it is detected from the detected rotation position whether or not a predetermined amount or more of the yarn Y is wound around the bobbin B. The first yarn amount detection device 231 has the same configuration as the second yarn amount detection device 221 described above.

  The remaining yarn detection device 232 detects the rotation position of the remaining yarn brush 232a rotated along the outer peripheral surface of the bobbin B, and determines whether the yarn Y is wound from the detected rotation position. It is a judgment. The remaining yarn detection device 232 has the same configuration as the remaining yarn detection device 211 described above.

  In the present embodiment, the remaining yarn detection device 232 determines whether or not the yarn Y is wound around the bobbin B only when the first yarn amount detection device 231 determines that the bobbin Be is an empty bobbin Be or an extremely small remaining yarn bobbin Bl. Judgment is made. The first yarn amount detection device 231 can determine the winding amount of the yarn Y while conveying the bobbin B, whereas the remaining yarn detection device 232 does not temporarily stop the bobbin B and the yarn Y is wound. It is not possible to judge whether or not Therefore, the remaining yarn detection device 232 determines only what is necessary based on the determination result of the first yarn amount detection device 231. Thereby, it is possible to prevent the tray T from staying in the remaining yarn detection device 232. In the present embodiment, the first yarn amount detection device 231 and the remaining yarn detection device 232 are disposed adjacent to the first sub-transport path 23, but a configuration in which these are integrated may be used.

  The remaining yarn processing device 233 grips and removes the yarn Y wound around the bobbin B by the clamper 233c, and discards the yarn Y. The remaining yarn processing device 233 is determined by the above-described first yarn amount detection device 231 that the winding amount of the yarn Y is equal to or less than a predetermined amount, that is, the minimal remaining yarn bobbin Bl in which the yarn Y remains slightly. The yarn Y is disposed of only when it is lost.

  As shown in FIGS. 7A and 7B, the remaining yarn processing device 233 is wound around the bobbin B, mainly a bobbin picker 233a that holds and lifts the bobbin B, a pusher 233b that pushes the lifted bobbin B, and the bobbin B. And a clamper 233c that holds the thread Y that is held.

  The operation mode of the remaining yarn processing device 233 will be described. As shown in FIG. 7A, the remaining yarn processing device 233 first holds the bobbin B by inserting a substantially cylindrical bobbin picker 233a into the internal passage of the bobbin B. To do. The remaining yarn processing device 233 lifts the bobbin B and drives the clamper 233c to grip the yarn Y wound around the bobbin B.

  Thereafter, as shown in FIG. 7B, the remaining yarn processing device 233 pushes the suspended bobbin B downward by the pusher 233b, and extracts the yarn Y wound around the bobbin B from the upper end portion of the bobbin B. The remaining yarn processing device 233 sucks the yarn Y extracted by a suction device (not shown) and disposes it.

  Further, as shown in FIG. 2, the bobbin conveyance system 2 includes a tray T on which the bobbin B is mounted branched from the second main conveyance path 22 and upstream of the remaining yarn detection device 211 in the first main conveyance path 21. A second sub-transport path 24 is provided for transporting to the front. Specifically, a second sub transport path 24 is provided that communicates from the vicinity of the second switching device 223 disposed in the second main transport path 22 to the upstream side of the remaining yarn detection device 211 in the first main transport path 21. ing. Thus, in the present embodiment, the bypass transport path 20 is configured by the first sub transport path 23, the second main transport path 22, and the second sub transport path 24.

  In the bobbin transport system 2 as described above, the transport path of the tray T will be specifically described. 8A and 8B, the solid line and the dashed arrow indicate the transport direction of the tray T.

  FIG. 8A is a diagram in which the transport path of the tray T is changed by the second switching device 223 of the second main transport path 22.

  As shown in FIG. 8A, the second switching device 223 provided in the second main transport path 22 determines that the second yarn amount detection device 221 has a winding amount of the yarn Y larger than a predetermined amount, and When the success / failure detection device 222c detects that the yarn end portion YE has been successfully captured, the tray T on which the bobbin B is mounted is continuously sent to the second main transport path 22 (see solid arrows in the figure).

  Specifically, the second switching device 223 determines that the second yarn amount detection device 221 is the full bobbin Bf or the half ball bobbin Bh, and the success / failure detection device 222c determines that the drawing process has been successful. Then, the tray T on which the bobbin B is mounted is continuously sent out to the second main transport path 22 (see the solid line arrow in the figure).

  On the other hand, the second switching device 223 provided in the second main transport path 22 is used when the second yarn amount detection device 221 determines that the winding amount of the yarn Y is equal to or less than a predetermined amount, and when the success / failure detection device 222c is the yarn. When it is not detected that the end YE has been successfully captured, the tray T on which the bobbin B is mounted is sent out to the second sub-transport path 24 (see the broken line arrow in the figure).

  Specifically, the second switching device 223 determines that the second yarn amount detection device 221 determines that the minimum remaining yarn bobbin Bl or the empty bobbin Be and the success / failure detection device 222c did not succeed in the drawing process. In this case, the tray T on which the bobbin B is mounted is sent out to the second auxiliary transport path 24 (see the broken line arrow in the figure).

  With such a configuration, the bobbin transport system 2 according to the present invention can prevent the minimal remaining yarn bobbin Bl, the empty bobbin Be, and the bobbin B that has failed in the drawing process from being transported to the automatic winder 3. Further, the remaining yarn detecting device 211 for determining the empty bobbin Be is arranged in the first main conveyance path 21 so that no other operation member is arranged. Thereby, retention of the first main transport path 21 can be prevented.

  FIG. 8B is a diagram in which the transport path of the tray T is changed by the first switching device 212 of the first main transport path 21.

  As shown in FIG. 8B, the first switching device 212 provided in the first main transport path 21 determines that the bobbin detection device 211c is mounted with the bobbin B on the tray T, and the remaining yarn detection device 211. When it is determined that the yarn Y is not wound around the bobbin B, the tray T on which the bobbin B is mounted is continuously sent out to the first main transport path 21 (see the solid line arrow in the figure).

  Specifically, when the bobbin B is mounted on the tray T and the first switching device 212 determines that the bobbin B is an empty bobbin Be, the first switching device 212 continues to select the tray T on which the bobbin B is mounted. It sends out to the one main conveyance path 21 (refer the solid line arrow in a figure).

  On the other hand, when the first switching device 212 provided in the first main transport path 21 determines that the bobbin detection device 211c does not have the bobbin B mounted on the tray T, the first sub transport path 23 (See the dashed arrows in the figure.) Thereby, it is possible to prevent the tray T on which the bobbin B is not mounted from being conveyed to the spinning machine 1.

  Further, the first switching device 212 determines that the bobbin detection device 211c has the bobbin B mounted on the tray T, and the remaining yarn detection device 211 determines that the yarn Y is wound around the bobbin B. In this case, the tray T on which the bobbin B is mounted is sent out to the first sub-transport path 23 (see the broken line arrow in the figure).

  Specifically, when the first switching device 212 determines that the bobbin B is mounted on the tray T and the bobbin B is not at least the empty bobbin Be, the first switching device 212 sets the tray T mounted with the bobbin B to the first. It sends out to the sub conveyance path 23 (refer to the broken line arrow in the figure).

  With such a configuration, the bobbin conveyance system 2 according to the present invention sends out the tray T on which the bobbin B around which the yarn Y is wound to the first sub-conveying path 23. It is possible to prevent the tray T from staying in the one main transport path 21. Thereby, it becomes possible to improve the conveyance processing capability of the tray T in the bobbin conveyance system 2. Further, the bobbin B remaining in a state where the yarn Y is wound is prevented from being conveyed to the spinning machine 1.

  Hereinafter, the tray T transported to the first sub transport path 23 will be described.

  The first yarn amount detection device 231 disposed in the first sub transport path 23 detects the winding amount of the yarn Y wound around the bobbin B. That is, the first yarn amount detection device 231 determines whether the bobbin B is a full bobbin Bf, a half bobbin Bh, or a minimal remaining yarn bobbin Bl.

  Next, the remaining yarn detecting device 232 arranged in the first sub-transport path 23 is a minimal remaining yarn bobbin Bl or empty bobbin in which the first yarn amount detecting device 231 does not wind a predetermined amount of yarn Y around the bobbin B. Only when it is determined that it is Be, it is determined whether or not the yarn Y is wound around the bobbin B. That is, when the first yarn amount detection device 231 determines that the bobbin B around which the yarn Y is wound is the minimal residual yarn bobbin Bl or the empty bobbin Be, the winding is performed. The amount is confirmed.

  The remaining yarn processing device 233 disposed in the first sub-transport path 23 is such that the first yarn amount detection device 231 has a yarn Y winding amount equal to or less than a predetermined amount, that is, a minimal remaining yarn bobbin Bl. Only when it is judged, the yarn Y is operated to be disposed of.

  With such a configuration, the bobbin conveying system 2 according to the present invention discards the yarn Y when the winding amount of the yarn Y is larger than a predetermined amount, that is, when the full bobbin Bf or the half bobbin Bh is used. This bobbin B can be returned to the second main transport path 22 without being disposed of. In addition, when the winding amount of the yarn Y is equal to or less than a predetermined amount, that is, the minimum remaining yarn bobbin Bl, after the yarn Y is disposed as an empty bobbin Be by discarding, the empty bobbin Be is It can be returned to the second main transport path 22. As a result, the full bobbin Bf or the half bobbin Bh can be conveyed to the automatic winder 3, and the yarn Y to be discarded can be reduced.

  In this way, the full bobbin Bf or the half bobbin Bh returned to the second main transport path 22 is again pulled out by the bobbin preparation device 222, and is transported to the automatic winder 3 when the pull-out process is successful. (See solid line arrow in FIG. 8A). It should be noted that the full bobbin Bf or the half bobbin Bh returned to the second main transport path 22 will be removed from the second sub transport path 24, the first main transport path 21, the first bobbin Bh when the pulling process by the bobbin preparation device 222 fails. After returning to the second main transport path 22 through the first sub transport path 23.

  Further, the bobbin B, which has become the empty bobbin Be by removing the yarn Y by the remaining yarn processing device 233, passes from the second main transport path 22 to the second sub transport path 24, the first main transport path 21 and the like, and the remaining thread. It is determined again by the detection device 211 whether or not the yarn Y is wound. After confirming that the yarn Y is not wound, the yarn is conveyed to the spinning machine 1. Note that the tray T on which the bobbin B is not mounted is transported to the second sub-transport path 24, the first main transport path 21, the first sub-transport path 23, and the second main transport path 22 again. It will be. Accordingly, the tray T on which the bobbin B around which the yarn Y is wound is mounted and the tray T on which the bobbin B is not mounted are prevented from being conveyed to the spinning machine 1.

  Moreover, in this embodiment, although the bypass conveyance path 20 is comprised by the 1st sub conveyance path 23, the 2nd main conveyance path 22, and the 2nd sub conveyance path 24, as shown to FIG. 9A, a bypass conveyance path 20 may be provided separately. In such an embodiment, a first yarn amount detection unit including a first yarn amount detection device 231 and a remaining yarn detection device 232 along the conveyance direction of the tray T in the bypass conveyance path 20, and a third A switching device 234 and a remaining yarn processing device 233 are arranged.

  The third switching device 234 switches whether the tray T is continuously sent out to the bypass transport path 20 or sent out to the second main transport path 22. The third switching device 234 has the same configuration as the first switching device 212 and the second switching device 223 described above.

  In the bobbin transport system 2 as described above, the transport path of the tray T will be specifically described. Note that the solid line and broken line arrows shown in FIG. 9B indicate the conveyance direction of the tray T.

  FIG. 9B is a diagram in which the transport path of the tray T is changed by the third switching device 234 of the bypass transport path 20.

  As shown in FIG. 9B, the third switching device 234 provided in the bypass conveyance path 20 determines that the bobbin when the first yarn amount detection device 231 determines that the winding amount of the yarn Y is larger than a predetermined amount. The tray T on which B is mounted is sent out to the second main transport path 22 (see solid line arrow in the figure).

  Specifically, when the first yarn amount detection device 231 determines that the first yarn amount detection device 231 is the full bobbin Bf or the half ball bobbin Bh, the third switching device 234 transfers the tray T on which the bobbin B is mounted to the second main transport. It sends out to the path 22 (see solid arrow in the figure).

  On the other hand, the third switching device 234 provided in the bypass conveyance path 20 determines that the first yarn amount detection device 231 is equal to or less than a predetermined amount with respect to the winding amount of the yarn Y, and the remaining yarn detection device 232 is extremely small. When it is determined that the remaining yarn bobbin Bl, the tray T on which the bobbin B is mounted is continuously sent out to the bypass conveyance path 20 where the remaining yarn processing device 233 is disposed (see the broken line arrow in the figure).

  Specifically, when the third switching device 234 determines that the first yarn amount detection device 231 and the remaining yarn detection device 232 are the minimum remaining yarn bobbin Bl or the empty bobbin Be, the bobbin B is mounted. The tray T is continuously sent out to the bypass conveyance path 20 (see the broken line arrow in the figure).

  With such a configuration, the bobbin transport system 2 according to the present invention feeds the tray T on which the bobbin B around which the yarn Y is wound to the tray T to the bypass transport path 20, so that the first main body is simple. It is possible to prevent the tray T from staying in the transport path 21. Then, the tray T on which the minimal residual yarn bobbin Bl around which the minimal yarn Y is wound is sent to the bypass conveying path 20 without being sent to the second main conveying path 22 and is provided in the bypass conveying path 20. Further, since the yarn Y wound around the minimal residual yarn bobbin Bl is discarded by the residual yarn processing device 233, it is possible to prevent the tray T from staying in the second main transport path 22. Thereby, it becomes possible to improve the conveyance processing capability of the tray T in the bobbin conveyance system 2.

  Next, the bobbin conveyance system 4 according to the second embodiment of the present invention will be described in detail with reference to FIG. However, the same components as those in the above-described bobbin transport system 2 are denoted by the same reference numerals, and different portions will be mainly described. In addition, the arrow in a figure shows the conveyance direction of the tray T. FIG.

  The bobbin transport system 4 is provided with a second main transport path 22 for transporting the tray T on which the bobbin B is mounted from the spinning machine 1 to the automatic winder 3. A second yarn amount detection device 221, a bobbin preparation device 222, and a second switching device 223 are arranged in the second main conveyance path 22 along the conveyance direction of the tray T.

  The bobbin transport system 4 is provided with a first main transport path 21 for transporting the tray T on which the bobbin B is mounted from the automatic winder 3 to the spinning machine 1. A remaining yarn detection device 211 and a first switching device 212 are arranged in the first main transport path 21 along the transport direction of the tray T.

  Further, the bobbin transport system 4 includes a first sub-transport that branches the tray T on which the bobbin B is mounted from the downstream side of the remaining yarn detecting device 211 in the first main transport path 21 to the second main transport path 22. A path 23 is provided. Specifically, the first sub conveyance path 23 communicates from the vicinity of the first switching device 212 arranged in the first main conveyance path 21 to the upstream side of the second yarn amount detection device 221 in the second main conveyance path 22. Is provided. A first yarn amount detection device 231, a remaining yarn detection device 232, and a remaining yarn processing device 233 are arranged along the tray T conveyance direction in the first sub conveyance path 23.

  Further, in the bobbin transport system 4, the second sub transport that transports the tray T on which the bobbin B is mounted from the second main transport path 22 to the upstream side of the remaining yarn detection device 211 in the first main transport path 21. A path 24 is provided. Specifically, a second sub transport path 24 is provided that communicates from the vicinity of the second switching device 223 disposed in the second main transport path 22 to the upstream side of the remaining yarn detection device 211 in the first main transport path 21. ing. Thus, in the present embodiment, the bypass transport path 20 is configured by the first sub transport path 23, the second main transport path 22, and the second sub transport path 24.

  In the present embodiment, a third yarn amount detection device 241, a bobbin preparation device 242, and a fourth switching device 243 are arranged along the transport direction of the tray T in the second sub transport path 24. In addition, a third sub-transport path 25 communicating with the automatic winder 3 from the vicinity of the fourth switching device 243 is provided.

  The third yarn amount detection device 241 detects the rotation position of the arm 241a that is rotated by coming into contact with the conveyed bobbin B, and a predetermined amount or more of the yarn Y is applied to the bobbin B from the detected rotation position. It is to detect whether or not it is wound. The third yarn amount detection device 241 has the same configuration as each of the yarn amount detection devices 221 and 231 described above.

  The bobbin preparation device 242 arranges (draws out) the yarn end portion YE of the yarn Y wound around the bobbin B at a predetermined position. The bobbin preparation device 242 has the same configuration as the bobbin preparation device 222 described above.

  The fourth switching device 243 switches whether the tray T is continuously sent out to the second sub transport path 24 or to the third sub transport path 25. The fourth switching device 243 has the same configuration as each of the switching devices 212 and 223 described above.

  Further, in the present embodiment, the tray T on which the bobbin B is mounted is branched from between the joining point of the first sub conveyance path 23 and the second yarn amount detection device 221 in the second main conveyance path 22 to the second sub quantity. A fourth sub conveyance path 26 that conveys the third yarn amount detection device 241 in the conveyance path 24 to the upstream side is provided.

  The second main transport path 22 is provided with an offset section 22A for shifting the transport position of the tray T on the downstream side of the branch point with the fourth sub transport path 26. The offset section 22 </ b> A is a bent portion of the second main transport path 22 provided at a position where a part of the trays T stops when the tray T stays in the second main transport path 22. In the bobbin transport system 2, the second main transport path 22 is configured in a substantially straight line from the spinning machine 1 to the automatic winder 3, and the offset section 22 </ b> A is substantially rectangular in the middle of the second main transport path 22. Is provided.

  Here, a case where a predetermined amount of the tray T stays in the second main transport path 22 will be described. As shown in FIG. 11, some of the staying trays T are stopped in a state where the transport position is shifted by the offset section 22A. Then, when the succeeding tray T (see tray Ty in the figure) newly transported comes into contact with the rear end tray T (see tray Tx in the figure) stopped in the offset section 22A, the succeeding tray T T (tray Ty) receives a force in a direction opposite to the direction in which the offset section 22A is provided.

  That is, the trajectory of the subsequent tray T (tray Ty) that has come into contact with the tray T (tray Tx) stopped in the offset section 22A is deviated from the tray T (tray Tx) stopped in the offset section 22A. In order to make contact in the state, a force is received in the direction of the fourth sub-transport path 26 provided on the opposite side to the direction in which the offset section 22A is provided. Thus, the subsequent tray T (tray Ty) and the tray T conveyed after the tray T (tray Ty) are sent out from the second main conveyance path 22 to the fourth sub conveyance path 26. is there.

  In the bobbin transport system 4 as described above, the transport path of the tray T will be specifically described. 12A, 12B, 13A, and 13B, the solid line and the dashed arrow indicate the transport direction of the tray T.

  FIG. 12A is a diagram in which the transport path of the subsequent tray T is changed depending on whether or not the tray T stays in the second main transport path 22.

  As shown in FIG. 12A, the offset section 22 </ b> A provided in the second main transport path 22 continues the subsequent tray T to the second main transport path 22 when the tray T does not stay in the second main transport path 22. (See the solid arrow in the figure.)

  Specifically, the offset section 22A continues to send the subsequent tray T to the second main transport path 22 when the tray T is not staying downstream of the offset section 22A in the second main transport path 22 (see FIG. (See solid solid arrow.)

  On the other hand, the offset section 22A provided in the second main transport path 22 sends the subsequent tray T to the fourth sub transport path 26 when the tray T stays in the second main transport path 22 (broken line in the figure). See arrow.)

  Specifically, in the offset section 22A, when the tray T stays in the second main transport path 22 on the downstream side of the offset section 22A, the subsequent tray T is moved to the fourth sub transport path 26 as described above. Send out (see broken line arrow in the figure).

  With such a configuration, the bobbin transport system 2 according to the present invention is configured to be simple when the predetermined amount of the tray T stays in the second main transport path 22, but reliably transfers the subsequent tray T to the second sub transport. It can be conveyed to the path 24. As a result, the subsequent tray T can be transported while avoiding the retention of the tray T in the second main transport path 22, so that the transport processing capability can be improved.

  FIG. 12B is a diagram in which the transport path of the tray T is changed by the second switching device 223 of the second main transport path 22.

  As shown in FIG. 12B, the second switching device 223 provided in the second main conveyance path 22 determines that the second yarn amount detection device 221 has a winding amount of the yarn Y larger than a predetermined amount, and When the success / failure detection device 222c detects that the yarn end portion YE has been successfully captured, the tray T on which the bobbin B is mounted is continuously sent to the second main transport path 22 (see solid arrows in the figure).

  Specifically, the second switching device 223 determines that the second yarn amount detection device 221 is the full bobbin Bf or the half ball bobbin Bh, and the success / failure detection device 222c determines that the drawing process has been successful. Then, the tray T on which the bobbin B is mounted is continuously sent out to the second main transport path 22 (see the solid line arrow in the figure).

  On the other hand, the second switching device 223 provided in the second main transport path 22 is used when the second yarn amount detection device 221 determines that the winding amount of the yarn Y is equal to or less than a predetermined amount, and when the success / failure detection device 222c is the yarn. When it is not detected that the end YE has been successfully captured, the tray T on which the bobbin B is mounted is sent out to the second sub-transport path 24 (see the broken line arrow in the figure).

  Specifically, the second switching device 223 determines that the second yarn amount detection device 221 determines that the minimum remaining yarn bobbin Bl or the empty bobbin Be and the success / failure detection device 222c did not succeed in the drawing process. In this case, the tray T on which the bobbin B is mounted is sent out to the second auxiliary transport path 24 (see the broken line arrow in the figure).

  With such a configuration, the bobbin transport system 4 according to the present embodiment enables the bobbin preparation device for the second sub-transport path 24 even when the bobbin preparation device 222 for the second main transport path 22 has failed in the pulling process. The pulling process can be performed by 242 and the possibility that the yarn end portion YE of the yarn Y can be arranged at a predetermined position (inside the bobbin B), that is, the possibility that the pulling process is successful can be increased.

  Thereby, it can reduce that the bobbin B which failed in the drawing-out process is repeatedly conveyed to the bobbin preparation device 222 of the second main conveyance path 22. Further, it is possible to prevent the minimal remaining yarn bobbin Bl, the empty bobbin Be, and the bobbin B that has failed in the drawing process from being conveyed to the automatic winder 3.

  FIG. 13A is a diagram in which the transport path of the tray T is changed by the fourth switching device 243 of the second sub transport path 24.

  As shown in FIG. 13A, the fourth switching device 243 provided in the second sub-transport path 24 determines that the third yarn amount detection device 241 has a winding amount of the yarn Y larger than a predetermined amount, and When the success / failure detection device 242c detects that the yarn end portion YE has been successfully captured, the tray T on which the bobbin B is mounted is sent out to the third sub-transport path 25 (see solid arrows in the figure).

  Specifically, the fourth switching device 243 determines that the third yarn amount detection device 241 is the full bobbin Bf or the half ball bobbin Bh, and determines that the success / failure detection device 242c has succeeded in the drawing process. Then, the tray T on which the bobbin B is mounted is sent out to the third sub-transport path 25 (refer to the solid line arrow in the figure).

  On the other hand, the fourth switching device 243 provided in the second sub-transport path 24 has a case where the third yarn amount detection device 241 determines that the winding amount of the yarn Y is equal to or less than a predetermined amount and the success / failure detection device 242c When it is not detected that the end portion YE has been successfully captured, the tray T on which the bobbin B is mounted is continuously sent out to the second auxiliary transport path 24 (see the broken line arrow in the figure).

  Specifically, the fourth switching device 243 determines that the third yarn amount detection device 241 determines that the minimum remaining yarn bobbin Bl or the empty bobbin Be and the success / failure detection device 242c have not succeeded in the drawing process. In this case, the tray T on which the bobbin B is mounted is continuously sent out to the second auxiliary transport path 24 (see the broken line arrow in the figure).

  With such a configuration, the bobbin conveying system 4 according to the present invention can prevent the minimal residual yarn bobbin Bl, the empty bobbin Be, and the bobbin B that has failed in the drawing process from being conveyed to the automatic winder 3.

  FIG. 13B is a diagram in which the transport path of the tray T is changed by the first switching device 212 of the first main transport path 21.

  As shown in FIG. 13B, the first switching device 212 provided in the first main transport path 21 determines that the bobbin detection device 211c is mounted with the bobbin B on the tray T, and the remaining yarn detection device 211. When it is determined that the yarn Y is not wound around the bobbin B, the tray T on which the bobbin B is mounted is continuously sent out to the first main transport path 21 (see the solid line arrow in the figure).

  Specifically, when the bobbin B is mounted on the tray T and the first switching device 212 determines that the bobbin B is an empty bobbin Be, the first switching device 212 continues to select the tray T on which the bobbin B is mounted. It sends out to the one main conveyance path 21 (refer the solid line arrow in a figure).

  On the other hand, when the first switching device 212 provided in the first main transport path 21 determines that the bobbin detection device 211c does not have the bobbin B mounted on the tray T, the first sub transport path 23 (See the dashed arrows in the figure.) Thereby, it is possible to prevent the tray T on which the bobbin B is not mounted from being conveyed to the spinning machine 1.

  Further, the first switching device 212 determines that the bobbin detection device 211c has the bobbin B mounted on the tray T, and the remaining yarn detection device 211 determines that the yarn Y is wound around the bobbin B. In this case, the tray T on which the bobbin B is mounted is sent out to the first sub-transport path 23 (see the broken line arrow in the figure).

  Specifically, when the first switching device 212 determines that the bobbin B is mounted on the tray T and the bobbin B is not at least the empty bobbin Be, the first switching device 212 sets the tray T mounted with the bobbin B to the first. It sends out to the sub conveyance path 23 (refer to the broken line arrow in the figure).

  With such a configuration, the bobbin transport system 4 according to the present invention feeds the tray T on which the bobbin B around which the yarn Y is wound to the first sub-transport path 23, and thus has a simple structure. It is possible to prevent the tray T from staying in the one main transport path 21. Thereby, it becomes possible to improve the conveyance processing capability of the tray T in the bobbin conveyance system 2. Further, it is possible to prevent the bobbin B remaining in a state where the yarn Y is wound from being conveyed to the spinning machine 1.

  Hereinafter, the tray T transported to the first sub transport path 23 will be described.

  The first yarn amount detection device 231 disposed in the first sub transport path 23 detects the winding amount of the yarn Y wound around the bobbin B. That is, the first yarn amount detection device 231 determines whether the bobbin B is a full bobbin Bf, a half bobbin Bh, or a minimal remaining yarn bobbin Bl.

  Next, the remaining yarn detecting device 232 arranged in the first sub-transport path 23 is a minimal remaining yarn bobbin Bl or empty bobbin in which the first yarn amount detecting device 231 does not wind a predetermined amount of yarn Y around the bobbin B. Only when it is determined that it is Be, it is determined whether or not the yarn Y is wound around the bobbin B. That is, when the first yarn amount detection device 231 determines that the bobbin B around which the yarn Y is wound is the minimal residual yarn bobbin Bl or the empty bobbin Be, the confirmation Is done.

  The remaining yarn processing device 233 disposed in the first sub-transport path 23 is such that the first yarn amount detection device 231 has a yarn Y winding amount equal to or less than a predetermined amount, that is, a minimal remaining yarn bobbin Bl. Only when it is judged, the yarn Y is operated to be disposed of.

  With such a configuration, the bobbin conveyance system 4 according to the present invention discards the yarn Y when the winding amount of the yarn Y is larger than a predetermined amount, that is, when the full bobbin Bf or the half bobbin Bh is used. This bobbin B can be returned to the second main transport path 22 without being disposed of. In addition, when the winding amount of the yarn Y is equal to or less than a predetermined amount, that is, the minimum remaining yarn bobbin Bl, after the yarn Y is disposed as an empty bobbin Be by discarding, the empty bobbin Be is It can be returned to the second main transport path 22. As a result, the full bobbin Bf or the half bobbin Bh can be conveyed to the automatic winder 3, and the yarn Y to be discarded can be reduced.

  In this way, the full bobbin Bf or the half bobbin Bh returned to the second main transport path 22 is again pulled out by the bobbin preparation device 222, and is transported to the automatic winder 3 when the pulling process is successful. (See solid line arrow in FIG. 12B). Note that the full bobbin Bf or the half bobbin Bh returned to the second main transport path 22 is sent out to the second sub transport path 24 when the bobbin preparation device 222 fails in the drawing process.

  Then, the full bobbin Bf or the half bobbin Bh sent to the second sub-conveying path 24 is again pulled out by the bobbin preparation device 242, and is transferred to the automatic winder 3 when the pulling process is successful ( (See solid line arrow in FIG. 13A). Note that the full bobbin Bf or the half bobbin Bh sent to the second sub-transport path 24 is in the second sub-transport path 24, the first main transport path 21, the first bobbin Bh when the pulling process by the bobbin preparation device 242 fails. After returning to the second main transport path 22 through the first sub transport path 23.

  Further, the bobbin B, which has become the empty bobbin Be by removing the yarn Y by the remaining yarn processing device 233, passes from the second main transport path 22 to the second sub transport path 24, the first main transport path 21 and the like, and the remaining thread. It is determined again by the detection device 211 whether or not the yarn Y is wound. After confirming that the yarn Y is not wound, the yarn is conveyed to the spinning machine 1. Note that the tray T on which the bobbin B is not mounted is transported to the second sub-transport path 24, the first main transport path 21, the first sub-transport path 23, and the second main transport path 22 again. It will be. Accordingly, the tray T on which the bobbin B around which the yarn Y is wound is mounted and the tray T on which the bobbin B is not mounted are prevented from being conveyed to the spinning machine 1.

DESCRIPTION OF SYMBOLS 1 Spinning machine 2 Bobbin conveyance system 3 Automatic winder 20 Bypass conveyance path 21 First main conveyance path 22 Second main conveyance path 23 First sub conveyance path 24 Second sub conveyance path 100 Automatic winding equipment 211 Remaining yarn detection device 211c Bobbin detection Device 212 First switching device 221 Second yarn amount detection device 222 Bobbin preparation device 222c Success / failure detection device 223 Second switching device 231 First yarn amount detection device 232 Remaining yarn detection device 233 Remaining yarn processing device B Bobbin Bf Full winding bobbin Bh Hand bobbin Bl Mini remaining thread bobbin Be Empty bobbin T Tray Y thread

Claims (8)

A first main transport path for continuously transporting the bobbin mounted tray from the automatic winder to the spinning machine;
A remaining yarn detection device that is arranged in the first main transport path and detects whether a yarn is wound around the bobbin;
A bobbin transport system comprising: a bypass transport path that branches from the downstream side of the remaining yarn detection device in the first main transport path and transports a tray having a bobbin mounted upstream of the remaining yarn detection device. Because
In the bypass conveyance path,
A first yarn amount detection unit that detects a winding amount of a yarn wound around a bobbin and a remaining yarn processing device that disposes of the yarn wound around the bobbin are disposed. Bobbin transfer system. A second main transport path for continuously transporting the bobbin mounted tray from the spinning machine to the automatic winder;
The bypass conveyance path is
A portion of the second main transport path;
A first sub-transport path that branches from the downstream side of the remaining yarn detection device in the first main transport path and transports a tray on which a bobbin is mounted to the second main transport path;
A second sub-transport path that branches from the downstream side of the junction with the first sub-transport path in the second main transport path and transports the upstream side of the remaining yarn detection device in the first main transport path; Consists of
The bobbin conveyance system according to claim 1, wherein the first yarn amount detection unit and the remaining yarn processing device are provided in the first sub conveyance path.   When the first yarn amount detection unit determines that the winding amount of the yarn wound around the bobbin is equal to or less than a predetermined amount, the remaining yarn processing device discards the yarn wound around the bobbin. The bobbin conveyance system according to claim 1 or 2, wherein The first main transport path has a first switching device for switching whether to send a tray to the first sub transport path,
The first switching device is characterized in that when the remaining yarn detection device determines that a yarn is wound around a bobbin, the tray on which the bobbin is mounted is sent to the first sub-transport path. The bobbin conveyance system according to any one of claims 1 to 3. The second main conveyance path includes a second yarn amount detection unit that detects a winding amount of the yarn wound around the bobbin;
A bobbin preparation device for pulling out the yarn end of the yarn wound around the bobbin;
A success / failure detection device that detects whether the bobbin preparation device has successfully pulled out the yarn end; and
A second switching device for switching whether to send out the tray to the second sub-transport path,
In the second switching device, when the second yarn amount detection unit determines that the winding amount of the yarn wound around the bobbin is equal to or less than a predetermined amount, the success / failure detection device succeeds in the yarn end portion drawing process. 5. The bobbin transport system according to claim 1, wherein when it is determined that the tray has not been operated, the tray on which the bobbin is mounted is sent to the second sub-transport path. 6. The first main transport path includes a bobbin detection device that determines whether a bobbin is mounted on the tray;
The said 1st switching apparatus sends out this tray to a said 1st sub conveyance path, when the said bobbin detection apparatus judges that the bobbin is not mounted in the tray. The bobbin conveyance system according to any one of the above.   The said remaining yarn detection apparatus detects whether the thread | yarn is wound simultaneously around the some bobbin by having a some detection part, The any one of Claims 1-6 characterized by the above-mentioned. The bobbin conveyance system according to one item.   The bobbin conveyance system according to claim 7, wherein the detection unit is a residual yarn brush.

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