Spinning machine

Abstract

To provide a spun yarn take-up apparatus capable of reliably cutting a yarn with a yarn cutting-suctioning unit.SOLUTION: There is provided a spun yarn take-up apparatus, comprising: a yarn cutting-suctioning unit 30 having a cutter 32 for cutting a plurality of yarns running in an arrangement direction where the yarns are lined up, and a suctioning unit 35 for suctioning the yarns cut by the cutter 32; a godet roller disposed at a downstream side from the yarn cutting-suctioning unit 30 in a yarn running direction so as to feed the plurality of running yarns in the yarn running direction; and a controller configured to perform control to stop the godet roller when the yarn Y is cut and suctioned by the yarn cutting-suctioning unit 30. The plurality of yarns Y, the cutter 32 and the suctioning unit 35 are caused to move closer to each other, whereby the plurality of yarns Y can be sequentially cut and suctioned. The controller stops the godet roller when at least the yarns Y fall into a cut state.SELECTED DRAWING: Figure 5

Description

Technical Field

[0001] The present invention relates to a spinning take-up machine provided with a yarn cutting and suction device.

Background Art

[0002] Conventionally, a spinning take-up machine that sends out a spun yarn through a godet roller and winds it up at a winding section is known. In such a spinning take-up machine, even if the winding of the yarn by the winding section is interrupted, the yarn continues to be spun. Therefore, it is necessary to cut and suck the continuously spun yarn with a yarn cutting and suction device.

[0003] For example, Patent Document 1 discloses a yarn cutting and suction device including a cutter that moves in the arrangement direction of a plurality of yarns and cuts the traveling yarn, and a suction device that is connected to a suction source and sucks the yarn cut by the cutter. In the yarn cutting and suction device disclosed in Patent Document 1, during the winding of the yarn, the connection between the suction source and the suction device is interrupted (see, for example, paragraph

[0031] of Patent Document 1).

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] In a yarn cutting and suction device as in Patent Document 1, when the winding of the yarn is interrupted, the suction source and the suction device are connected, and the yarn cut by the cutter is sucked. However, when the winding of the yarn is interrupted, the tension of the yarn decreases, and there is a possibility that it becomes difficult to cut the traveling yarn. Also, when the traveling yarn is thick or the like, there is a possibility that it becomes difficult to cut the traveling yarn.

[0006] The present invention has been made in view of the above problems, and aims to provide a spinning and drawing machine that can reliably cut yarn using a yarn cutting and suction device. [Means for solving the problem]

[0007] (1) The spinning machine of the present invention is A thread cutting and suction device comprising: a cutter capable of cutting the plurality of threads that run along the direction in which the plurality of threads are arranged; and a suction device capable of sucking up the threads cut by the cutter, A roller positioned downstream of the thread cutting and suction device in the thread travel direction, which feeds the plurality of threads in the thread travel direction, A control device capable of stopping the roller when the thread is cut and sucked up by the thread cutting and suction device, Equipped with, By bringing the plurality of threads, the cutter, and the suction device closer together, the plurality of threads can be cut sequentially and then sucked up. The control device is Even if one of the multiple threads is broken, the rotation of the roller is not slowed down, and control is performed to stop the roller based on the fact that at least multiple threads are broken. It is characterized by the following:

[0008] According to the spinning take-up machine described in (1) above, the rotation of the roller is not slowed down if only one of the multiple threads is cut, and the control to stop the roller is not performed until at least multiple threads are cut. Therefore, the decrease in tension of the uncut threads can be suppressed until multiple threads are cut. Thus, threads traveling in the direction of thread travel can be reliably cut. Note that "without slowing down the rotation of the roller" means that the rotation of the roller is maintained at least so that the thread tension downstream of the thread cutting suction device in the direction of thread travel does not decrease, and this also includes cases where the rotation of the roller is increased.

[0009] (2) In the spinning machine of the present invention, The plurality of threads Thread runningWhile traveling along the direction, the cutter and the suction device move to approach the plurality of threads. It is characterized by the following:

[0010] According to the spinning and drawing machine described in (2) above, the cutter and suction device can be brought close to multiple threads that are running steadily, ensuring that the threads are cut reliably and preventing the cut threads from becoming tangled.

[0011] (3) In the spinning machine of the present invention, The cutter and the suction device do not move, and the plurality of threads are moved so that the plurality of threads and the cutter and the suction device move closer together. It is characterized by the following:

[0012] According to the spinning take-up machine described in (3) above, the yarn can be cut with the cutter and suction device fixed in place, so the yarn can be cut in a stable state without being affected by vibrations caused by the movement of the cutter and suction device.

[0013] (4) In the spinning machine of the present invention, The plurality of threads and the cutter and the suction device move closer together, It is characterized by the following:

[0014] According to the spinning and drawing machine described in (4) above, both the multiple yarns and the cutter and suction device move so that the multiple yarns and the cutter and suction device move closer together. In this way, it is possible to cut and suction all of the multiple yarns Y one by one in sequence while suppressing the amount of movement of the multiple yarns and the cutter and suction device, and consequently suppressing the increase in the size of the device.

[0015] (5) In the spinning machine of the present invention, The spacing between the plurality of threads along the aforementioned arrangement direction is The plurality of threads, the cutter, and the suction device are configured to remain unchanged before and after they approach each other. It is characterized by the following.

[0016] According to the spinning take-up machine described in (5) above, since the interval between the plurality of yarns does not change before and after the cutter and the suction device approach the plurality of yarns, all of the plurality of yarns Y arranged along the arrangement direction can be surely cut and sucked one by one in order.

[0017] (6) In the spinning take-up machine of the present invention, Let the interval between the first yarn among the plurality of yarns and the second yarn adjacent to the first yarn along the arrangement direction be d, When the relative speed of the cutter and the suction device with respect to the plurality of yarns is v, The yarn cutting and suction device When cutting and sucking the plurality of yarns in order, at least one of the plurality of yarns, the cutter and the suction device moves so that the plurality of yarns, the cutter and the suction device approach each other in the relationship of v ≤ 5d. It is characterized by the following.

[0018] According to the spinning take-up machine described in (6) above, since the plurality of yarns, the cutter and the suction device approach each other in the relationship of v ≤ 5d, the yarns running in the yarn running direction are sequentially cut one by one. Therefore, while surely cutting the running yarns one by one, it is possible to suppress the occurrence of blade spillage of the cutter in a short period of time.

[0019] (7) In the spinning take-up machine of the present invention, The control device Performs control to decelerate the rotation of the roller until all of the plurality of yarns running side by side in the arrangement direction are in a cut state, and stops the roller based on the fact that all of the plurality of yarns are in a cut state. It is characterized by the following.

[0020] According to the spinning take-up machine described in (7) above, all of the plurality of yarns running in the yarn running direction can be surely cut while suppressing a decrease in the tension of the yarns.

[0021] Furthermore, in the spinning and drawing machines described in (1) to (7) above, "cut state" includes not only the state in which the yarn is actually cut, but also the state in which the yarn is considered to be cut.

[0022] Furthermore, it is not essential that the spinning take-up machine according to the present invention includes all of the configurations described in (1) to (7) above. For example, in the invention relating to the spinning take-up machine described in (1) above, it is not essential that all of the configurations described in (2) to (7) above be included. Also, within the scope that compatibility can be maintained, the spinning take-up machine according to the present invention can be made by arbitrarily combining the configuration described in (1) above and the configuration described in any of (2) to (7) above. [Effects of the Invention]

[0023] According to the present invention, it is possible to provide a spinning and drawing machine that can reliably cut yarn using a yarn cutting and suction device. [Brief explanation of the drawing]

[0024] [Figure 1] This is a schematic configuration showing an example of a spinning take-up machine according to this embodiment. [Figure 2] This is a schematic diagram showing an example of a thread regulating guide and thread cutting suction device according to this embodiment. [Figure 3] This is an example of a block diagram showing the schematic electrical configuration of the spinning take-up machine according to this embodiment. [Figure 4] This flowchart shows an example of the process when the operation stops in this embodiment. [Figure 5] This diagram illustrates the operation of cutting and sucking up multiple threads using a thread cutting and sucking device in this embodiment, and (A) is an example of a diagram showing that only the thread on the far side is cut and sucked up, and (B) is an example of a diagram showing that only the thread on the far side and the thread adjacent to this thread on the other side are cut and sucked up. [Figure 6] This is a schematic diagram showing an example of a thread control guide and thread cutting suction device related to the first modified example. [Figure 7] This is a schematic diagram showing an example of a thread control guide and thread cutting suction device related to the second modified example. [Modes for carrying out the invention]

[0025] Embodiments of the present invention will be described below with reference to the drawings. For the sake of explanation, the vertical, horizontal, and front-to-back directions are as shown in the figures described later.

[0026] [1. Overview of the spinning take-up machine] First, an overview of the spinning take-up machine 1 according to an embodiment of the present invention (hereinafter referred to as "this embodiment") will be described with reference to Figure 1. Figure 1 shows a schematic configuration of an example of the spinning take-up machine 1 according to this embodiment.

[0027] The spinning take-up machine 1 mainly comprises, for example, a spinning device 2, a lubrication guide 3, a yarn regulating guide 20, a yarn cutting and suction device 30, two godet rollers (first godet roller 4a, second godet roller 4b) for stretching the yarn Y, a yarn winding device 10 for winding the stretched yarn Y, and a control device 50 (see Figure 3 described later).

[0028] The spinning apparatus 2 has multiple die heads 2a, from which high-temperature liquid molten polymer (yarn material) is continuously extruded. The yarn material extruded from each die head 2a is cooled and solidified, and spun out as a single yarn Y consisting of multiple filaments F. In this way, multiple yarns Y are spun out from multiple die heads 2a. The multiple filaments F are made of a molten fiber material such as polyester.

[0029] The lubrication guide 3 is positioned below the spinning apparatus 2 and applies lubricant to the multiple threads Y spun from the spinneret 2a of the spinning apparatus 2. The lubrication guide 3 maintains a constant spacing between adjacent threads Y in the left-right direction (the arrangement direction of this invention).

[0030] The thread control guide 20 is located below the refueling guide 3 and above the first godet roller 4a.

[0031] The yarn cutting and suction device 30 is a device that cuts and sucks up multiple yarns Y spun from the spinneret 2a of the spinning apparatus 2, and is located downstream of the lubrication guide 3 in the yarn travel direction. Since multiple yarns Y continue to be spun continuously from the spinneret 2a of the spinning apparatus 2 even if the process is interrupted, the yarn cutting and suction device 30 cuts and sucks up the multiple yarns Y that continue to be spun while the process downstream of the yarn cutting and suction device 30 is interrupted. Details of the yarn cutting and suction device 30 will be described later.

[0032] The two godet rollers 4a and 4b take up the yarn Y to which oil has been applied by the oiling guide 3 and send it to the yarn winding device 10 located below. The second godet roller 4b is located downstream of the first godet roller 4a in the yarn travel direction and is positioned above and behind the first godet roller 4a. The first godet roller 4a and the second godet roller 4b are driven by the first drive motor 5a and the second drive motor 5b, respectively (see Figure 3 below). Note that the number of godet rollers is not limited to two.

[0033] The yarn winding device 10 is a device for winding up multiple threads Y fed from two godet rollers 4a and 4b, and mainly comprises, for example, a pivot point guide 11, a traverse guide 12, a winding shaft 13, a turret 14, a main frame 15, and a contact roller 16.

[0034] The pivot point guide 11 has multiple pivot point guides 11 corresponding to each of the multiple threads Y, and distributes the multiple threads Y fed from the second godet roller 4b. The traverse guide 12 has multiple traverse guides 12 corresponding to each of the multiple threads, and traverses the threads Y distributed by the multiple pivot point guides 11. The winding shaft 13 has, for example, two winding shafts 13 with the same axial direction. Multiple bobbins B are mounted in series along the axis of the winding shaft 13. The turret 14 is a rotatable disc-shaped object that supports one end of each of the two winding shafts 13. The main frame 15 rotatably supports the turret 14. The contact roller 16 is movable vertically relative to the main frame 15 and can move toward and away from the bobbins B mounted on the winding shaft 13.

[0035] [2. Thread cutting and suction device] Figure 2 is a schematic diagram showing an example of a thread regulating guide 20 and a thread cutting and suction device 30 according to this embodiment.

[0036] As shown in Figure 2, the thread cutting and suction device 30 is positioned to the left of the thread paths of multiple threads Y, which are arranged in a left-right direction, immediately upstream of the thread regulating guide 20 in the thread travel direction. Note that there are, for example, 12 threads Y, but the number of threads Y is not limited to this. Also, in Figure 2, although all of the multiple threads Y should ideally be labeled, for convenience only three threads Y are labeled (the same applies to Figures 5 to 7 described later).

[0037] The thread regulating guide 20 has a comb-like shape with multiple grooves 20a arranged in the left-right direction, each corresponding to one of the multiple threads Y. The multiple threads Y are passed through each of the multiple grooves 20a. The thread regulating guide 20 maintains a constant left-right spacing between the multiple threads Y wound onto the godet rollers 4a and 4b, based on the left-right spacing of each of the multiple grooves 20a. In Figure 2, although all of the multiple grooves 20a should ideally be labeled, for convenience only three grooves 20a are labeled (the same applies to Figures 5 to 7 described later).

[0038] The thread cutting and suction device 30 mainly comprises, for example, a base holder 31, a cutter 32 for cutting the thread Y, a suction device 35 for sucking up the thread Y cut by the cutter 32, and an air cylinder 37 capable of moving the cutter 32 in the direction of the thread Y arrangement (left-right direction in Figure 2).

[0039] The cutter 32 has a blade portion 33 capable of cutting multiple threads Y one by one or multiple threads together, and a blade portion holding member 34 that holds the blade portion 33.

[0040] The suction device 35 is for sucking up multiple threads Y that have been cut by the blade portion 33 of the cutter 32. The suction device 35 has a suction source (not shown) and a cylindrical member 36 connected to the suction source via a solenoid valve 42 (see Figure 3, described later). A blade portion holding member 34 is attached to the lower surface of the cylindrical member 36. With the blade portion holding member 34 attached to the lower surface of the cylindrical member 36, the blade portion 33 is located near the suction port 36a at the right end of the cylindrical member 36. A suction force is generated at the suction port 36a to suck up the cut threads Y. The threads Y cut by the cutter 32 are sucked up from the suction port 36a.

[0041] The air cylinder 37 moves the cutter 32 and suction device 35 (more specifically, the cylindrical member 36) relative to multiple threads Y. The air cylinder 37 has a cylinder rod 37a and is provided within the base holder 31. The cylinder rod 37a is connected to the cylindrical member 36 via the cutter 32 (more specifically, the blade holding member 34). When the air cylinder 37 is driven, the cylinder rod 37a expands and contracts in the left-right direction, and the cutter 32 and suction device 35 move back and forth in the left-right direction accordingly. Note that the holder 31 does not move even when the cylinder rod 37a expands and contracts.

[0042] The cylinder rod 37a shown in Figure 2 is in the retracted state. When the cylinder rod 37a is in the retracted state, the cutter 32 is in a retracted position where it cannot cut any of the threads Y. When the cylinder rod 37a moves from the retracted state to the expanded state (towards the right in Figure 2), the cutter 32 and the cylindrical member 36 advance to the right (i.e., towards the multiple threads Y), and the blade portion 33 can cut the threads Y. In this embodiment, the left side in the left-right direction corresponds to one side of the arrangement direction of the present invention, and the right side in the left-right direction corresponds to the other side of the arrangement direction of the present invention.

[0043] In this embodiment, the cutter 32 and the suction device 35 are configured to move in the alignment direction by operating the cylinder rod 37a, but the invention is not limited to this configuration. The gears engaged with the cutter 32 and the suction device 35 may also be rotated by a motor to move them.

[0044] [3. Control device] Figure 3 is an example of a block diagram showing the schematic electrical configuration of the spinning take-up machine 1 according to this embodiment.

[0045] As shown in Figure 3, the control device 50 is capable of receiving at least an operation stop signal and an operation start signal. 。 The operation stop signal and operation start signal are generated, for example, based on the operator's actions. The operation stop signal is also generated when the breakage of thread Y is detected, i.e., when a thread breakage signal is received.

[0046] The control device 50 is electrically connected to at least the first solenoid valve 42, the second solenoid valve 38, the first drive motor 5a, the second drive motor 5b, and the drive source 17 for the thread winding device.

[0047] The first solenoid valve 42 switches the connection state between the suction source (not shown) and the cylindrical member 36 (see Figure 2). For example, while the spinning take-up machine 1 is in operation, the connection between the suction source 40 and the cylindrical member 36 is disconnected, and no suction force is generated at the suction port 36a to attract the cut yarn Y. When the control device 50 receives a stop signal, it activates the first solenoid valve 42, connecting the suction source 40 and the cylindrical member 36, and generating a suction force at the suction port 36a to attract the cut yarn Y.

[0048] The second solenoid valve 38 is connected to the air cylinder 37 and switches the expansion and contraction state of the cylinder rod 37a (see Figure 2). For example, when the second solenoid valve 38 is operated to the first position, compressed air is supplied to the air cylinder 37 so that the cylinder rod 37a moves in the expansion direction. When the second solenoid valve 38 is operated to the second position, compressed air is supplied to the air cylinder 37 so that the cylinder rod 37a moves in the contraction direction. When the second solenoid valve 38 is in the neutral position, the cylinder rod 37a is held in that position. During operation of the spinning take-up machine 1, the cylinder rod 37a is held in the contracted state.

[0049] The first drive motor 5a is a drive source for rotating the first godet roller 4a. The second drive motor 5b is a drive source for rotating the second godet roller 4b.

[0050] The drive source 17 for the yarn winding device is a drive source for driving the yarn winding device 10. The drive source 17 for the yarn winding device may include, for example, a motor (not shown) for rotating the turret 14, and motors (not shown) for rotating the two winding shafts 13.

[0051] [4. Procedures when the system is shut down] Next, the shutdown process performed by the control device 50 when stopping the operation of the spinning take-up machine 1 (see Figure 1), and the operation of the yarn cutting and suction device 30 during the shutdown process will be explained with reference to Figures 4 and 5.

[0052] Figure 4 is a flowchart showing an example of the operation stop processing among the various processes performed by the control device 50 in this embodiment. Note that the flowchart shown in Figure 4 is a flowchart for convenience in explaining this embodiment. Figure 5 is a diagram illustrating the operation of cutting and sucking up multiple threads Y by the thread cutting and sucking device 30 in this embodiment, and shows (A) an example of a diagram showing that only the thread Y1 on the far side in the arrangement direction of the multiple threads Y1 to Y12 is cut and sucked up, and (B) a diagram showing that only thread Y1 and the thread Y2 adjacent to thread Y1 on the other side in the arrangement direction are cut and sucked up.

[0053] During operation of the spinning take-up machine 1 (see Figure 1), the cutter 32 and the cylindrical member 36 are in the retracted position (the position shown in Figure 2). At this time, the connection between the suction source (not shown) and the cylindrical member 36 is disconnected, and no suction force is generated from the suction port 36a. Also, the cylinder rod 37a is in the retracted state. Furthermore, it goes without saying that during operation of the spinning take-up machine 1, the first drive motor 5a, the second drive motor 5b, and the motor (not shown) for rotating at least one of the two winding shafts 13 are rotating.

[0054] As shown in Figure 4, when the control device 50 receives a stop signal (if S1 shown in Figure 4 is determined to be Yes), it moves the process to S2. On the other hand, if no stop signal is received (if S1 shown in Figure 4 is determined to be No), the processes S1 to S7 shown in Figure 4 are not executed.

[0055] In S2, the control device 50 controls the system so that the suction source (not shown) and the cylindrical member 36 are connected. Specifically, the control device 50 connects the suction source and the cylindrical member 36 by activating the first solenoid valve 42. Once the suction source and the cylindrical member 36 are connected, it becomes possible to suck the thread Y from the suction port 36a in the direction of the arrow shown in Figure 5(A). Following the process in S2, the control device 50 executes the process in S3.

[0056] In S3, the control device 50 controls the movement of the cutter 32 and the suction device 35 toward the multiple threads Y, that is, from one side to the other in the direction of arrangement. Specifically, the control device 50 activates the second solenoid valve 38 to the first position. When the second solenoid valve 38 is activated to the first position, compressed air is supplied to the air cylinder 37 so that the cylinder rod 37a is operated toward the expansion direction (to the right in Figure 5). When the cylinder rod 37a is operated toward the expansion direction, both the cutter 32 and the suction device 35 move toward the other side (to the right in Figure 5) in the direction of arrangement. That is, the thread regulating guide 20 does not move, and the thread cutting and suction device 30 moves toward the multiple threads Y so that the thread cutting and suction device 30 is closer to the multiple threads Y.

[0057] Incidentally, if the diameter of the thread Y is thick, it may be difficult for the blade 33 to cut multiple threads Y at once. Also, when the blade 33 cuts multiple threads Y at once, excessive shear force from the threads Y traveling in the direction of thread movement (downward in Figure 5) may act on the blade 33, potentially causing chipping of the blade.

[0058] Therefore, in this embodiment, the cutter 32 and suction device 35 are moved at a low speed from one side to the other side (to the right in Figure 5) in the arrangement direction so that multiple threads Y traveling in the thread direction can be cut one by one in sequence. The movement speed of the cutter 32 and suction device 35 from one side to the other in the arrangement direction is reduced to approximately one-third, for example, 20 mm / second, compared to 57 mm / second in the conventional method. The movement speed of the cutter 32 and suction device 35 from one side to the other in the arrangement direction can be reduced, for example, by slowing down the operating speed of the cylinder rod 37a that operates in the expansion direction.

[0059] As shown in Figure 5(A), among the 12 threads Y1 to Y12 arranged in the arrangement direction, let d be the distance between the outermost thread Y1 in the arrangement direction and the adjacent thread Y2 on the other side of the arrangement direction. Let t be the time from when thread Y1 is cut until thread Y2 is cut, and let v be the moving speed of the cutter 32 and suction device 35 moving from one side of the arrangement direction to the other. At this time, the cutter 32 and suction device 35 move from one side of the arrangement direction to the other at a moving speed such that the relationship "v ≤ d / t" holds. In this way, as shown in Figure 5(A), thread Y1 is reliably cut and sucked, and then as shown in Figure 5(B), thread Y2 is cut and sucked. In this embodiment, the above distance d is 4 mm. Also, as mentioned above, the moving speed v of the cutter 32 and suction device 35 is 20 mm / second. Since a proportional relationship exists between the above interval d and the moving speed v of the cutter 32 and the suction device 35, the above time t is approximately 5 1 / This results in seconds. In other words, it is preferable to move the cutter 32 and the suction device 35 from one side to the other in the arrangement direction at a moving speed such that the relationship "v ≤ 5d" holds.

[0060] Incidentally, according to the results of experiments conducted by the inventor with the movement speed v of the cutter 32 and suction device 35 set to 20 mm / second and the distance d between thread Y1 and thread Y2 set to 4 mm, it was possible to cut thread Y one by one with 100% probability, regardless of the wire diameter, i.e., even if it was a thick type of wire. Furthermore, in experiments conducted with the movement speed v of the cutter 32 and suction device 35 set to 20 mm / second and the distance d between thread Y1 and thread Y2 set to 6 mm, it was also possible to cut thread Y one by one with 100% probability, regardless of the wire diameter. However, when the movement speed v of the cutter 32 and suction device 35 was set to the same 57 mm / second as before, it was only possible to cut thread Y with approximately 20% probability, regardless of whether the distance d between thread Y1 and thread Y2 was 4 mm or 6 mm.

[0061] After executing the process in S3, the control device 50 proceeds to the process in S4. However, when cutting the thread Y running in the thread direction with the cutter 32, if the tension of the thread Y running in the thread direction decreases, it may not be possible to cut the thread Y properly. If the thread Y running in the thread direction cannot be cut properly, the thread Y may not be able to be properly sucked from the suction port 36a, and the cut thread Y may become entangled below the cutter 32.

[0062] Therefore, the control device 50 does not immediately stop the rotating winding shaft 13 based on the receipt of the operation stop signal, but rather determines that all of the multiple threads Y are in a cut state (S4), and then stops the first drive motor 5a and the second drive motor 5b (S5). In other words, if there are, for example, 12 threads Y, the rotation of the first godet roller 4a and the second godet roller 4b will stop after all 12 threads Y Y1 to Y12 are in a cut state. Therefore, the rotation of the first godet roller 4a and the second godet roller 4b will continue unless it is determined that all 12 threads Y Y1 to Y12 are in a cut state (unless a Yes determination is made in S4). In this way, it is possible to reliably cut all of the multiple threads Y Y Y1 to Y12 running in the thread travel direction while suppressing tension reduction.

[0063] The phrase "all Y1 to Y12 of the multiple threads Y are in a cut state" includes not only the state in which all Y1 to Y12 of the multiple threads Y are actually cut, but also the state in which all Y1 to Y12 of the multiple threads Y are considered to be cut. For example, if multiple sensors are provided downstream of the thread control guide 20 to detect each of the multiple threads Y, and if all of these multiple sensors can no longer detect the threads Y, it can be determined that all Y1 to Y12 of the multiple threads Y are in a cut state.

[0064] Furthermore, when the blade portion 33 or suction port 36a reaches a position where all Y1 to Y12 of the multiple threads Y are cut, it is not directly detected that all Y1 to Y12 of the multiple threads Y have been cut, but it can be said that the state is considered to be one in which all Y1 to Y12 of the multiple threads Y have been cut. Similarly, if all Y1 to Y12 of the multiple threads Y are cut when the cylinder rod 37a is operated to its operating limit in the expanding direction, then the state in which the cylinder rod 37a is operated to its operating limit in the expanding direction can be considered to be one in which all Y1 to Y12 of the multiple threads Y have been cut.

[0065] After executing the process in S5, the control device 50 proceeds to the process in S6. In S6, the control device 50 stops the drive source for the yarn winding device (specifically, the motor for rotating the winding shaft 13 while it is rotating). In this way, instead of immediately stopping the winding shaft 13 while it is rotating after the control device 50 receives the operation stop signal, the rotation speed is maintained at least until all 12 yarns Y1 to Y12 are cut. This suppresses a decrease in tension in the yarn Y downstream of the yarn cutting suction device 30 for the uncut yarns.

[0066] After all 12 threads Y1 to Y12 have been cut and sucked up by the suction device 35, the operator brings a suction gun (not shown) close to the suction port 36a while the cutter 32 and suction device 35 are stopped moving. The operator then cuts multiple threads Y with the cutter (not shown) at the tip of the suction gun, and then sucks and holds the multiple threads Y with the suction gun.

[0067] Subsequently, for example, in response to operator input, the control device 50 controls the movement of the cutter 32 and the suction device 35 as the process of S7, so that they begin to move toward the retracted position (the position shown in Figure 2), that is, from one side to the other in the arrangement direction. Specifically, the control device 50 activates the second solenoid valve 38 to the second position. When the second solenoid valve 38 is activated to the second position, compressed air is supplied to the air cylinder 37 so that the cylinder rod 37a moves toward the retraction direction (to the left in Figure 5). When the cylinder rod 37a moves toward the retraction direction, both the cutter 32 and the suction device 35 move toward the other side to the other in the arrangement direction.

[0068] [5. Effects and Benefits] According to the above-described embodiment, the cutter 32 and the suction device 35 move at a low speed relative to the multiple threads Y that are running stably, so that they can sequentially cut and suck up each thread Y arranged in the direction of the arrangement. This not only prevents the blade portion 33 from becoming chipped in a short period of time, but also ensures that the threads Y cut by the cutter 32 are reliably sucked up by the suction device 35. Furthermore, it also prevents the cut threads from becoming entangled.

[0069] Furthermore, according to the above-described embodiment, control is not performed to stop the godet rollers 4a and 4b until, for example, all 12 threads Y1 to Y12 are cut. In other words, if only some of the 12 threads Y1 to Y12 are cut, the godet rollers 4a and 4b will not stop, nor will they decelerate to the extent that the tension of the threads Y decreases. Therefore, the decrease in tension of the uncut threads Y can be suppressed until all 12 threads Y1 to Y12 are cut. Thus, all threads Y1 to Y12 running in the thread direction can be reliably cut.

[0070] [6. Examples of extensions] In the embodiment described above, control is not performed to stop the godet rollers 4a and 4b until all 12 threads Y1 to Y12 are cut, but this is not necessarily the case. For example, control may not be performed to stop the godet rollers 4a and 4b if only the thread Y1 on the outermost side in the arrangement direction is cut among the 12 threads Y1 to Y12, and control may be performed not to stop the godet rollers 4a and 4b until at least several threads Y (for example, threads Y1 and Y2) are cut. In other words, even if not all 12 threads Y1 to Y12 are necessarily cut, by not stopping the godet rollers 4a and 4b until at least thread Y1 is cut, at least thread Y1 can be reliably cut.

[0071] Furthermore, in the above-described embodiment, the rotation of the first godet roller 4a and the second godet roller 4b is stopped after all 12 threads Y1 to Y12 have been cut. That is, even if the control device 50 receives a stop signal, it does not immediately stop the rotation of the two godet rollers 4a and 4b, but continues to rotate them while maintaining their rotational speed. However, as long as the decrease in tension of the uncut threads Y can be suppressed, the control device 50 is not limited to the above embodiment, and it is sufficient that the rotational speed of the two godet rollers 4a and 4b is not reduced at all from the time the control device 50 receives the stop signal until all 12 threads Y1 to Y12 have been cut. Therefore, the control device 50 may increase the rotational speed of the two godet rollers 4a and 4b from the time it receives the stop signal until all 12 threads Y1 to Y12 have been cut.

[0072] Furthermore, in the above-described embodiment, the control device 50 is configured not to reduce the rotational speed of the two godet rollers 4a and 4b after receiving the operation stop signal, but this is not necessarily the only configuration. For example, if the rotational speed of at least one of the two godet rollers 4a and 4b (for example, the first godet roller 4a which is closer to the thread cutting and suction device 30 than the second godet roller 4b) is not reduced, the decrease in tension of the uncut thread Y can be suppressed.

[0073] Furthermore, in the above-described embodiment, the control device 50 is configured not to reduce the rotational speed of the godet rollers 4a and 4b after receiving a stop signal. However, even if the rotational speed of the thread feed roller located downstream of the thread cutting and suction device 30 is not reduced instead or in addition to this, the decrease in tension of the uncut thread Y can still be suppressed.

[0074] Furthermore, in the above-described embodiment, a yarn regulating guide 20 is provided, having a plurality of grooves 20a arranged in the left-right direction corresponding to each of the plurality of yarns Y. However, this yarn regulating guide 20 is not an essential component for cutting and sucking up the plurality of yarns Y by the cutter 32 and suction device 35 while suppressing the decrease in tension of the plurality of yarns Y. In other words, the present invention can also be applied to a spinning take-up machine that does not have a yarn regulating guide 20. Moreover, the present invention can also be applied to a spinning take-up machine that has a yarn regulating guide 20, but for example retracts from the plurality of yarns Y when cutting and sucking up the plurality of yarns Y by the cutter 32 and suction device 35.

[0075] In the above-described embodiment, an example was explained in which the cutter 32 and suction device 35 are moved relative to multiple threads Y to bring the multiple threads Y and the cutter 32 and suction device 35 closer together. However, bringing the multiple threads Y and the cutter 32 and suction device 35 closer together is not limited to the example in which the cutter 32 and suction device 35 are moved relative to multiple threads Y. For example, the multiple threads Y may be moved relative to the cutter 32 and suction device 35, or the cutter 32 and suction device 35 may be moved relative to multiple threads Y, and the multiple threads Y may be moved relative to the cutter 32 and suction device 35. These variations will be described below.

[0076] [8. Variation] Next, the first and second modified examples of the thread regulating guide 20 and thread cutting suction device 30 of this embodiment will be described below. Note that the configurations common to the thread cutting suction device 30 described above will be omitted from the explanation, and only the configurations that differ from the thread cutting suction device 30 will be described.

[0077] [8-1. First variation] Figure 6 is a schematic diagram showing an example of a thread regulating guide 20A and a thread cutting and suction device 30A according to the first modified example. The thread regulating guide 20A, like the thread regulating guide 20 (see, for example, Figure 2), has a comb-like shape with multiple grooves 20Aa arranged in the left-right direction corresponding to multiple threads Y, and multiple threads Y are passed through each of the multiple grooves 20Aa.

[0078] The thread cutting and suction device 30A according to the first modified example differs from the thread cutting and suction device 30 in that, when multiple threads Y are cut and suctioned, the thread regulating guide 20A moves from one side to the other in the direction of arrangement, whereas the cutter 32 and suction device 35 move from one side to the other in the direction of arrangement. In other words, in this first modified example, the thread cutting and suction device 30A does not move, and the thread regulating guide 20A moves so that the multiple threads Y and the thread cutting and suction device 30A are brought closer together.

[0079] As shown in Figure 6, the yarn cutting and suction device 30A does not have an air cylinder 37 (see, for example, Figure 2), but has an air cylinder 39 with a larger expansion and contraction stroke than the air cylinder 37. The air cylinder 39 moves the yarn regulating guide 20A relative to the cutter 32 and the suction device 35. The air cylinder 39 has a cylinder rod 39a and is provided within the base holder 31. The cylinder rod 39a is connected to one end of the yarn regulating guide 20A in the direction of arrangement. When the air cylinder 39 is driven, the cylinder rod 39a expands and contracts in the left-right direction, and the yarn regulating guide 20A moves back and forth in the left-right direction accordingly. The position of the yarn regulating guide 20A shown in Figure 6 is the position when the spinning take-up machine 1 is in operation. Note that the holder 31 does not move even when the cylinder rod 39a expands and contracts.

[0080] Furthermore, in the operation stop processing S3, the control device 50 controls the movement of the thread regulating guide 20A from one side to the other in the arrangement direction, instead of controlling the movement of the cutter 32 and suction device 35 from one side to the other in the arrangement direction. Specifically, the cylinder rod 39a is operated in the retraction direction to move the thread regulating guide 20A from one side to the other in the arrangement direction (to the left in Figure 5). At this time, the thread regulating guide 20A moves from one side to the other in the arrangement direction while maintaining the spacing between one thread Yn (where n is an integer) and the adjacent thread Y(n+1) in the arrangement direction. That is, the spacing between thread Yn and thread Y(n+1) along the arrangement direction does not change before and after the multiple threads Y and the cutter 32 and suction device 35 approach each other. In this way, the cutter 32 and suction device 35 move relative to the multiple threads Y.

[0081] The thread control guide 20A moves at a low speed, for example, 20 mm / second, from one side of the arrangement direction to the other (to the left in Figure 6). The movement speed of the thread control guide 20A from one side of the arrangement direction to the other can be made low, for example, by slowing down the operating speed of the cylinder rod 39a that operates in the retraction direction.

[0082] For example, among multiple threads Y arranged in the direction of the array, let d be the distance between one thread Yn (where n is an integer) and the adjacent thread Y(n+1) on the other side of the array direction. Let t be the time from when thread Yn becomes cut until thread Y(n+1) becomes cut, and let u be the moving speed of the thread regulating guide 20A moving from the other side of the array direction to the one side. In this case, the thread regulating guide 20A is designed to maintain the distance d between thread Yn and thread Y(n+1) while satisfying the relationship "u≦d / t", i.e., "u≦ 5d The object can be moved from one side of the arrangement direction to the other at a speed that satisfies the relationship ''. Therefore, it becomes possible to cut and suck up multiple threads Y arranged in the arrangement direction one by one in sequence.

[0083] Thus, the thread regulating guide 20A and thread cutting and suction device 30A according to the first modified example can achieve the same effects as those described in the above embodiment. That is, since it is possible to cut and suction each of the multiple threads Y arranged in the arrangement direction in sequence, not only is it possible to suppress chipping of the blade portion 33 in a short period of time, but it is also possible to reliably suction the threads Y cut by the cutter 32 with the suction device 35. Furthermore, for example, control is not performed to stop the godet rollers 4a and 4b until all of the 12 threads Y1 to Y12 are cut. Therefore, similar to the effects described in the above embodiment, it is possible to suppress the decrease in tension of the uncut threads Y until all of the 12 threads Y1 to Y12 are cut. Thus, all of the threads Y1 to Y12 running in the thread running direction can be reliably cut.

[0084] Furthermore, with the yarn regulating guide 20A and yarn cutting suction device 30A according to the first modified example, the yarn Y can be cut while the cutter 32 is fixed without moving it, so that the yarn Y can be cut in a stable state without being affected by vibrations caused by movement. In addition, the yarn regulating guide 20A moves while ensuring a distance d between yarn Yn (where n is an integer) and yarn Y(n+1). That is, the above distance d is the same when the spinning take-up machine 1 is in operation (i.e., during spinning production) and when the spinning take-up machine 1 is stopped and the yarn Y is being cut and sucked by the yarn cutting suction device 30A. Therefore, even when the yarn regulating guide 20A moves relative to the yarn cutting suction device 30A, it is possible to reliably cut and suck up multiple yarns Y arranged in the arrangement direction one by one in sequence.

[0085] Furthermore, the thread control guide 20A and thread cutting suction device 30A according to the first modified example can be extended in the same manner as the extended example described in the above embodiment.

[0086] Furthermore, in the first modified example described above, it was explained that when multiple threads Y are cut and sucked, the thread regulating guide 20A moves so that the multiple threads Y and the thread cutting and sucking device 30A are brought closer together. However, the means for bringing the multiple threads Y closer to the thread cutting and sucking device 30A are not limited to the thread regulating guide 20A. For example, instead of the thread regulating guide 20A having multiple grooves 20Aa arranged in the left-right direction corresponding to the multiple threads Y, a guide having one or more hook-shaped grooves through which the multiple threads Y can pass may be used. In this case, by moving the guide from one side to the other in the arrangement direction so as to hook the multiple threads Y with one or more grooves, it becomes possible to cut and suck up the multiple threads Y arranged in the arrangement direction.

[0087] [8-2. Second variation] Figure 7 is a schematic diagram showing an example of a thread regulating guide 20A and a thread cutting and suction device 30B according to the second modified example. The thread regulating guide 20A has the same configuration as the thread regulating guide 20A according to the first modified example, and multiple threads Y are passed through each of the multiple grooves 20Aa.

[0088] In the second modified thread cutting and suction device 30B, when multiple threads Y are cut and suctioned, both the movement of the cutter 32 and suction device 35 from one side to the other in the arrangement direction, and the movement of the thread regulating guide 20A from the other side to the one side in the arrangement direction occur simultaneously. In this way, the second modified thread cutting and suction device 30B is configured so that the cutter 32 and suction device 35 move relative to the multiple threads Y. That is, in this second modified example, both the thread cutting and suction device 30B and the thread regulating guide 20A move so that the multiple threads Y and the thread cutting and suction device 30B are brought closer together.

[0089] As shown in Figure 7, the thread cutting and suction device 30B includes both the air cylinder 37 described in the above-described embodiment with reference to Figures 2, 5(A), and (B), and the air cylinder 39 described in the above-described first modification with reference to Figure 6.

[0090] Furthermore, in the operation stop processing S3, the control device 50 controls the movement of the cutter 32 and the suction device 35 to begin from one side to the other in the arrangement direction, and also controls the movement of the yarn regulating guide 20A to begin from the other side to the one side in the arrangement direction. Specifically, the cylinder rod 37a is operated in the expansion direction, and the cylinder rod 39a is operated in the contraction direction. In this way, the cutter 32 and the suction device 35 can be moved relative to multiple yarns Y. The yarn regulating guide 20A moves from the other side to the one side in the arrangement direction while maintaining the spacing between one yarn Yn (where n is an integer) and the adjacent yarn Y(n+1) in the arrangement direction.

[0091] Furthermore, it is preferable that the relative speed of the cutter 32 and the suction device 35 with respect to the multiple threads Y be set to a low speed, for example, 20 mm / second. For example, by slowing down both the operating speed of the cylinder rod 37a that operates in the expanding direction and the operating speed of the cylinder rod 39a that operates in the contracting direction, the relative speed of the cutter 32 and the suction device 35 with respect to the multiple threads Y can be set to a low speed.

[0092] For example, among multiple threads Y arranged in the direction of the arrangement, let d be the distance between one thread Yn (where n is an integer) and the adjacent thread Y(n+1) on the other side of the arrangement direction. Let t be the time from when thread Yn becomes cut until thread Y(n+1) becomes cut. Let V be the speed at which the cutter 32 and suction device 35 move from one side of the arrangement direction to the other, and let U be the speed at which the thread regulating guide 20A moves from the other side of the arrangement direction to the one side. In this case, the speed at which the cutter 32 and suction device 35 move relative to thread Y is (V+U). In this case, the cutter 32, suction device 35, and thread regulating guide 20A can each be moved at a speed that satisfies the relationship "V+U≦d / t", i.e., "V+U≦d / 5" (especially for the thread regulating guide 20A, it is possible to move it while ensuring the distance d between thread Yn and thread Y(n+1)). Therefore, multiple threads Y arranged in the arrangement direction can be cut and sucked up one by one in sequence. In addition, the thread regulating guide 20A moves while ensuring a distance d between thread Yn (where n is an integer) and thread Y(n+1). That is, the above distance d is the same when the spinning take-up machine 1 is in operation and when the spinning take-up machine 1 is stopped and the threads Y are being cut and sucked up by the thread cutting and sucking device 30B. Thus, even when the thread regulating guide 20A moves relative to the thread cutting and sucking device 30B, multiple threads Y arranged in the arrangement direction can be reliably cut and sucked up one by one in sequence.

[0093] Thus, the thread regulating guide 20A and thread cutting and suction device 30B according to the second modified example can achieve the same effects as those described in the above-described embodiment. That is, since it is possible to cut and suction each of the multiple threads Y arranged in the arrangement direction in sequence, not only is it possible to suppress chipping of the blade portion 33 in a short period of time, but it is also possible to reliably suction the threads Y cut by the cutter 32 with the suction device 35. Furthermore, for example, control is not performed to stop the godet rollers 4a and 4b until all of the 12 threads Y1 to Y12 are cut. Therefore, similar to the effects described in the above-described embodiment and the first modified example, it is possible to suppress the decrease in tension of the uncut threads Y until all of the 12 threads Y1 to Y12 are cut. Thus, all of the threads Y1 to Y12 running in the thread running direction can be reliably cut.

[0094] Furthermore, according to the thread regulating guide 20A and thread cutting and suction device 30B of the first modified example, the amount of movement of the cutter 32 and suction device 35 can be made smaller compared to the cutter 32 and suction device 35 described in the above embodiment, so the air cylinder 37 can be made more compact. Also, the amount of movement of the thread regulating guide 20A can be made smaller compared to the thread regulating guide 20A described in the above first modified example, so the air cylinder 39 can be made more compact. In this way, the amount of movement of the thread cutting and suction device 30B required for cutting and suctioning multiple threads Y can be distributed between the amount of movement of the cutter 32 and suction device 35 and the amount of movement of the thread regulating guide 20A. Therefore, it is possible to cut and suction all of the multiple threads Y arranged in the arrangement direction one by one in sequence, while suppressing the enlargement of the peripheral equipment of the thread cutting and suction device 30B (especially the air cylinder 37 and air cylinder 39) and the entire device.

[0095] Furthermore, the thread control guide 20A and thread cutting suction device 30B according to the second modified example can be expanded in the same manner as the expanded example described in the above embodiment.

[0096] In the second modified example described above, it was explained that when multiple threads Y are cut and sucked, both the thread cutting and sucking device 30B and the thread restricting guide 20A move closer to the multiple threads Y. However, the means for bringing the multiple threads Y closer to the thread cutting and sucking device 30B are not limited to the thread restricting guide 20A. For example, as explained in Modified Example 1, instead of the thread restricting guide 20A having multiple grooves 20Aa arranged in the left-right direction corresponding to the multiple threads Y, a guide having one or more hook-shaped grooves through which the multiple threads Y can pass may be used. [Explanation of Symbols]

[0097] 1. Spinning machine 32 cutters 30 Thread cutting and suction device 4a First Godetlora 4b Second Godetlor 50 Control device Y thread

Claims

1. A thread cutting and suction device comprising: a cutter capable of cutting the plurality of threads that run along the direction in which the plurality of threads are arranged; and a suction device capable of sucking up the threads cut by the cutter, A roller positioned downstream of the thread cutting and suction device in the thread travel direction, which feeds the plurality of threads in the thread travel direction, A control device capable of stopping the roller when the thread is cut and sucked up by the thread cutting and suction device, Equipped with, By bringing the plurality of threads, the cutter, and the suction device closer together, the plurality of threads can be cut sequentially and then sucked up. The control device is Even if one of the multiple threads is broken, the rotation of the roller is not slowed down, and control is performed to stop the roller based on the fact that at least multiple threads are broken. A spinning machine characterized by the following features.

2. While the plurality of threads are traveling along the thread travel direction, the cutter and the suction device move closer to the plurality of threads. The spinning take-up machine according to feature 1.

3. The cutter and the suction device do not move, and the plurality of threads are moved so that the plurality of threads and the cutter and the suction device move closer together. The spinning take-up machine according to feature 1.

4. The plurality of threads and the cutter and the suction device move closer together, The spinning take-up machine according to feature 1.

5. The spacing between the plurality of threads along the aforementioned arrangement direction is The plurality of threads, the cutter, and the suction device are configured to remain unchanged before and after they approach each other. The spinning take-up machine according to feature 1.

6. The spacing between the plurality of threads along the aforementioned arrangement direction is The plurality of threads, the cutter, and the suction device are configured to remain unchanged before and after they approach each other. The spinning take-up machine according to feature 2.

7. The spacing between the plurality of threads along the aforementioned arrangement direction is The plurality of threads, the cutter, and the suction device are configured to remain unchanged before and after they approach each other. The spinning take-up machine according to feature 3.

8. The spacing between the plurality of threads along the aforementioned arrangement direction is The plurality of threads, the cutter, and the suction device are configured to remain unchanged before and after they approach each other. The spinning take-up machine according to feature 4.

9. The distance between the first thread among the plurality of threads and the second thread adjacent to the first thread along the arrangement direction is d [mm]. When the relative speed of the cutter and the suction device with respect to the plurality of threads is v [mm / sec], When the plurality of threads are cut and sucked in sequence, at least one of the plurality of threads, the cutter, and the suction device moves so that the plurality of threads and the cutter and the suction device move closer together, such that v [mm / sec] ≤ 5 [1 / sec] × d [mm]. The spinning take-up machine according to feature 1.

10. The distance between the first thread among the plurality of threads and the second thread adjacent to the first thread along the arrangement direction is d [mm]. When the relative speed of the cutter and the suction device with respect to the plurality of threads is v [mm / sec], When the plurality of threads are cut and sucked in sequence, at least one of the plurality of threads, the cutter, and the suction device moves so that the plurality of threads and the cutter and the suction device move closer together, such that v [mm / sec] ≤ 5 [1 / sec] × d [mm]. The spinning take-up machine according to feature 2.

11. The distance between the first thread among the plurality of threads and the second thread adjacent to the first thread along the arrangement direction is d [mm]. When the relative speed of the cutter and the suction device with respect to the plurality of threads is v [mm / sec], When the plurality of threads are cut and sucked in sequence, at least one of the plurality of threads, the cutter, and the suction device moves so that the plurality of threads and the cutter and the suction device move closer together, such that v [mm / sec] ≤ 5 [1 / sec] × d [mm]. The spinning take-up machine according to feature 3.

12. The distance between the first thread among the plurality of threads and the second thread adjacent to the first thread along the arrangement direction is d [mm]. When the relative speed of the cutter and the suction device with respect to the plurality of threads is v [mm / sec], When the plurality of threads are cut and sucked in sequence, at least one of the plurality of threads, the cutter, and the suction device moves so that the plurality of threads and the cutter and the suction device move closer together, such that v [mm / sec] ≤ 5 [1 / sec] × d [mm]. The spinning take-up machine according to feature 4.

13. The distance between the first thread among the plurality of threads and the second thread adjacent to the first thread along the arrangement direction is d [mm]. When the relative speed of the cutter and the suction device with respect to the plurality of threads is v [mm / sec], When the plurality of threads are cut and sucked in sequence, at least one of the plurality of threads, the cutter, and the suction device moves so that the plurality of threads and the cutter and the suction device move closer together, such that v [mm / sec] ≤ 5 [1 / sec] × d [mm]. The spinning take-up machine according to feature 5.

14. The distance between the first thread among the plurality of threads and the second thread adjacent to the first thread along the arrangement direction is d [mm]. When the relative speed of the cutter and the suction device with respect to the plurality of threads is v [mm / sec], When the plurality of threads are cut and sucked in sequence, at least one of the plurality of threads, the cutter, and the suction device moves so that the plurality of threads and the cutter and the suction device move closer together, such that v [mm / sec] ≤ 5 [1 / sec] × d [mm]. The spinning take-up machine described in claim 6.

15. The distance between the first thread among the plurality of threads and the second thread adjacent to the first thread along the arrangement direction is d [mm]. When the relative speed of the cutter and the suction device with respect to the plurality of threads is v [mm / sec], When the plurality of threads are cut and sucked in sequence, at least one of the plurality of threads, the cutter, and the suction device moves so that the plurality of threads and the cutter and the suction device move closer together, such that v [mm / sec] ≤ 5 [1 / sec] × d [mm]. The spinning take-up machine according to feature 7.

16. The distance between the first thread among the plurality of threads and the second thread adjacent to the first thread along the arrangement direction is d [mm]. When the relative speed of the cutter and the suction device with respect to the plurality of threads is v [mm / sec], When the plurality of threads are cut and sucked in sequence, at least one of the plurality of threads, the cutter, and the suction device moves so that the plurality of threads and the cutter and the suction device move closer together, such that v [mm / sec] ≤ 5 [1 / sec] × d [mm]. The spinning take-up machine according to feature 8.

17. The control device is The rotation of the roller is not slowed down until all of the multiple threads running in the aforementioned arrangement direction are cut, and the control is performed to stop the roller based on the fact that all of the multiple threads are cut. A spinning take-up machine according to any one of claims 1 to 16.

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