Yarn winding machine

Abstract

To provide a yarn winder which can easily perform work of hanging yarn on a bobbin holder and can suppress yarn breakage caused by yarn drop by suppressing spreading of a plurality of yarns over a wider area than a region in an axial direction of a plurality of bobbins held to the bobbin holder when the yarn comes off from a traverse device.SOLUTION: A yarn winder includes a regulation guide 60a and a movement mechanism 70a. The regulation guide 60a regulates a plurality of yarns 91 held by a yarn removing guide such that a position thereof in a bobbin holder axial direction becomes the inside of a region in an axial direction of a plurality of bobbins 90 held by a bobbin holder 42. The movement mechanism 70a allows the regulation guide 60a to move between a regulation position where the yarn 91 is regulated by acting on the yarn 91 and a retreat position where the yarn 91 is retracted from the regulation position. An action part, in both the regulation position and the retreat position, is located closer to a yarn path side in an axis orthogonal direction than an attachment part.SELECTED DRAWING: Figure 9

Description

[Technical Field]

[0001] The present invention mainly relates to a yarn winding machine that produces a package by winding a plurality of yarns fed from a yarn feed roller onto a plurality of bobbins. [Background technology]

[0002] The yarn winding machine of Patent Document 1 includes a traverse device and first and second bobbin holders. The traverse device traverses multiple yarns supplied from a godet roller (yarn feed roller). Multiple bobbins are attached to each of the first and second bobbin holders. The yarn winding machine produces packages by winding yarn onto the multiple bobbins in the first bobbin holder, and when package production is complete (a full package is produced), the yarn winding target is switched to the multiple bobbins in the second bobbin holder.

[0003] Furthermore, the axial length of the godet roller disclosed in Patent Document 1 is shorter than the axial length of the bobbin holder. Therefore, the spacing between the multiple yarns moving from the godet roller to the bobbin holder increases as they move downstream. Therefore, when multiple yarns are removed from the traverse device during bobbin switching, the spacing between the yarns narrows and they move toward the center. To solve this problem, the yarn winding machine of Patent Document 1 is equipped with a yarn path changing member. The yarn path changing member restricts the movement of each yarn to prevent the spacing between the yarns from narrowing when multiple yarns are removed from the traverse device. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2003-226469 Summary of the Invention [Problem to be solved by the invention]

[0005] The yarn winding machine of Patent Document 1 prevents the gaps between the yarns from narrowing when multiple yarns are removed from the traverse device. However, depending on the device conditions or winding conditions, the gaps between the yarns may widen when multiple yarns are removed from the traverse device. For example, if the axial length of the yarn feed roller is longer than the bobbin holder, this situation may occur when multiple yarns are initially wound around multiple bobbins in the bobbin holder. As a result, the multiple yarns spread out over an area wider than the bobbin mounting area of ​​the bobbin holder, making it difficult to wind the multiple yarns around the multiple bobbins in the bobbin holder. Furthermore, the spread of the multiple yarns may cause the yarns to fall outside the axial direction of the bobbins during winding, which may result in yarn breakage.

[0006] The present invention has been made in view of the above circumstances, and its main object is to provide a yarn winding machine that can easily wind the yarn onto the bobbin holder and can prevent yarn breakage due to yarn dropping by preventing the yarn from spreading over an area wider than the axial area of ​​the multiple bobbins held in the bobbin holder when the yarn is released from the traverse device.

[0007] The problem to be solved by the present invention is as described above. Next, the means for solving this problem and the effects thereof will be explained.

[0008] According to an aspect of the present invention, there is provided a yarn winding machine having the following configuration: The yarn winding machine produces a package by winding a plurality of yarns fed from a yarn feed roller onto a plurality of bobbins. The yarn winding machine includes a bobbin holder, a plurality of traverse guides, and a yarn removal device. State retention The bobbin holder holds the plurality of bobbins. The traverse guide contacts each of the plurality of yarns and traverses the yarns in the axial direction of the bobbin holder. State retention The guide is By contacting multiple threads, A state in which the plurality of yarns are disengaged from the plurality of traverse guides. Protect The two regulating guides are provided, and the thread removing State retention The plurality of yarns held by the guides are restricted to a restricted range that is inside the axial region of the plurality of bobbins held in the bobbin holder so that the positions of the plurality of yarns in the axial direction of the bobbin holder are inside the axial region of the plurality of bobbins held in the bobbin holder. The movement mechanism is capable of moving the two restriction guides between a restriction position where the plurality of yarns are acted on and restricted to restrict the plurality of yarns, and a retracted position where the restriction guides are retracted from the restriction position. State retention The guide is movable between a holding position where it holds the plurality of yarns and a retracted position where it is retracted from the holding position. The portions of the two regulating guides that are attached to the moving mechanism are referred to as attachment portions, and the portions that act on the yarn are referred to as action portions. When the direction in which the yarn feed roller is located with respect to the yarn winding machine is referred to as a height direction and the direction perpendicular to both the height direction and the bobbin holder axial direction is referred to as an axial-orthogonal direction, the action portions are located closer to the yarn path than the attachment portions in the axial-orthogonal direction at both the regulating position and the retracted position.

[0009] As a result, the restricting guide restricts the yarn to within the axial region of the bobbin, thereby suppressing the yarn from spreading when the yarn is removed from the traverse device. This facilitates the threading operation of hooking the yarn onto the bobbin holder. Furthermore, when the restriction of the yarn is no longer required, the restricting guide can be moved to the retracted position, making it easier to handle compared to a configuration that requires attachment and detachment. Furthermore, the restricting guide can be moved between the restricting position and the retracted position without significantly changing its orientation. This reduces the movement path of the restricting guide, thereby allowing for more space to be used for arranging other components. Furthermore, since the restriction guide restricts the yarn from spreading when the yarn is removed from the traverse device, the yarn is less likely to fall off. As a result, the occurrence of yarn breakage due to yarn fall off can be suppressed.

[0010] In the yarn winding machine, the moving mechanism moves the bobbins at least inside an axial region of the bobbins. Two It is preferable to have a mechanism for sliding the regulating guide in the axial direction of the bobbin holder.

[0011] During threading, by sliding the restriction guide in the restriction position, the winding positions of the yarn restricted by the restriction guide can be dispersed.

[0012] In the yarn winding machine, Two The restricting guide slides in the axial direction of the bobbin holder, Two It is preferable that the restriction guide be switchable between the restriction position and the retracted position.

[0013] This allows switching between the restricted position and the retracted position with a simple operation that involves a small movement locus.

[0014] In the yarn winding machine, Two The bobbin holder is disposed on an axial end side of the restricting guide, and Two It is connected to the regulation guide, Two It is preferable to provide an operating unit that can operate to slide the restriction guide.

[0015] This allows the restriction guide to slide more easily than when the restriction guide is operated by directly touching it.

[0016] In the yarn winding machine, Two It is preferable that the restriction guide is switched from the restriction position to the retracted position by the action portion moving in the height direction in a direction away from the yarn feeding roller.

[0017] This makes it less likely to interfere with the operation of other devices.

[0018] The yarn winding machine is preferably configured as follows: That is, the moving mechanism is provided along the axial direction of the bobbin holder, and Two The restriction guide is configured to maintain the restriction position. Two A support rail is provided to support the regulating guide. TwoThe restricting guide is slidable along the support rail in the axial direction of the bobbin holder. Two The restriction guide is slid to switch from the restriction position to the retracted position.

[0019] This allows a common member to be used to assist the slide and to maintain the restriction guide in the restriction position. Also, switching from the restriction position to the retracted position can be easily performed.

[0020] The yarn winding machine preferably has the following configuration: Two connecting members; A support shaft member ,of Prepare. The two connecting members are attached to the two regulating guides, respectively. The support shaft member supports the two connecting members, and the two connecting members are rotatably connected to each other. In the restricted position, Two The connecting member extends from the support shaft member toward the yarn guide in the direction perpendicular to the axis. Two The connecting member extends from the support shaft member to the opposite side of the yarn path in the direction perpendicular to the axis.

[0021] This allows the movement locus of the restriction guide to be smaller than in a configuration in which the restriction guide itself is inverted.

[0022] The yarn winding machine preferably has the following configuration: The yarn winding machine includes a first housing and a second housing. The traverse guide is disposed in the first housing. The second housing is disposed opposite to the first housing across the yarn path. The yarn removal State retention A guide is disposed in the first housing, and the two restriction guides are disposed in the second housing.

[0023] This allows for easy thread removal. State retention The guide and the restricting guide can be suitably arranged.

[0024] The yarn winding machine preferably has the following configuration: a dividing yarn guide that separates and holds multiple yarns in the traverse regions of the multiple traverse guides, and the dividing yarn guide is movable between a dividing position where the dividing yarn guide separates and holds multiple yarns, and a retracted position where the dividing yarn guide is retracted from the dividing position.

[0025] This allows the multiple yarns to be guided to the traverse region of each traverse guide and brought into contact with (engage with) each traverse guide while being regulated by the regulation guide, making the threading operation easier.

[0026] In the yarn winding machine, The axial length of the bobbin holder is shorter than the axial length of the yarn feeding roller, It is preferable that the pitch between the plurality of yarns on the bobbin holder is smaller than the pitch between the plurality of yarns on the yarn feed roller.

[0027] If the pitch between the multiple threads on the bobbin holder is smaller than the pitch between the multiple threads on the yarn feed roller, the multiple threads tend to spread out over a wider area than the axial area of ​​the multiple bobbins held in the bobbin holder, so the effect of providing the above-mentioned regulating guide can be effectively exerted. In the yarn winding machine, it is preferable that the two regulating guides are arranged on the upper surface of a housing to which a contact roller that contacts the yarn layers of the package with a predetermined pressure is rotatably mounted when winding the multiple yarns. [Brief explanation of the drawings]

[0028] [Figure 1] FIG. 1 is a front view of a yarn winding machine according to a first embodiment. [Figure 2] FIG. [Figure 3] FIG. 2 is a perspective view showing a part of the yarn winding machine cut away. [Figure 4] 10A and 10B are diagrams illustrating that the yarn is locally wound thicker at the end of the bobbin holder during threading. [Figure 5] FIG. [Figure 6] FIG. [Figure 7] FIG. [Figure 8]10 is a perspective view showing a state in which the yarn of the yarn feed roller is hooked onto the yarn guide in order to perform a threading operation. FIG. [Figure 9] 10 is a perspective view showing a state in which the thread is restricted to an area in the axial direction of the bobbin by the restriction guide during threading work. FIG. [Figure 10] FIG. 10 is a perspective view showing a state in which the yarn is wound to produce a package after the yarn threading operation. [Figure 11] FIG. 10 is a perspective view of a modified example of the opening and closing guide. [Figure 12] FIG. 10 is a perspective view of a restriction guide and a movement mechanism according to a second embodiment. [Figure 13] FIG. 10 is a side view of a restriction guide and a movement mechanism according to a second embodiment. [Figure 14] FIG. 10 is a perspective view of a restriction guide and a movement mechanism according to a third embodiment. [Figure 15] FIG. 11 is a side view of a restriction guide and a movement mechanism according to a third embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0029] Next, an embodiment of the present invention will be described with reference to the drawings. Fig. 1 is a front view of a yarn winding machine 1 according to a first embodiment. Fig. 2 is a block diagram of the yarn winding machine 1. In the following description, the upstream and downstream sides in the running direction of the yarn may be simply referred to as upstream and downstream sides.

[0030] A spinning machine (not shown) is disposed upstream of the yarn winding machine 1 shown in Fig. 1. A yarn 91 produced by the spinning machine is supplied to the yarn winding machine 1 via a yarn feed roller 100. The yarn winding machine 1 winds the yarn 91 onto a bobbin 90 to form a yarn layer on the bobbin 90, thereby producing a package 92. The yarn 91 is, for example, an elastic yarn such as spandex. However, the type of yarn 91 is not limited to this and may also be, for example, a synthetic yarn such as nylon or polyester.

[0031] As shown in Fig. 1, the yarn winding machine 1 includes two winding units 10 arranged one above the other. A yarn 91 is individually supplied to each winding unit 10, and each winding unit 10 produces an individual package 92. A plurality of yarns 91 arranged in the axial direction of the package 92 are supplied to the winding unit 10. The winding units 10 each wind the plurality of yarns 91 to produce a plurality of packages 92.

[0032] Since the two winding units 10 each have the same devices, the following description will collectively cover the upper and lower winding units 10. As shown in Figure 1, the winding unit 10 includes a frame 11, a first housing 20, a second housing 30, and a turret plate 40.

[0033] The frame 11 is a member that holds each component included in the winding unit 10. A traverse device 21 is attached to the first housing 20. The traverse device 21 traverses the yarn 91 being fed downstream by reciprocating in the winding width direction (the axial direction of the package 92) with a traverse guide 23 (described later) engaged with the yarn 91. As shown in FIG. 2, the traverse device 21 includes a traverse cam 22, a traverse guide 23, and a traverse motor 24. Note that FIG. 2 shows a block diagram of one winding unit 10.

[0034] The traverse cam 22 is a roller-shaped member disposed in parallel to the bobbin 90. A spiral cam groove is formed on the outer peripheral surface of the traverse cam 22. The traverse cam 22 is driven to rotate by a traverse motor 24.

[0035] The traverse guide 23 is a part that engages with the yarn 91. The tip of the traverse guide 23 has, for example, a substantially U-shaped guide portion that engages with the yarn 91 by pinching the yarn 91 in the winding width direction. The base end of the traverse guide 23 is positioned in the cam groove of the traverse cam 22. By driving the traverse cam 22 to rotate, the traverse guide 23 can be moved back and forth in the winding width direction.

[0036] The traverse motor 24 is controlled by a control device 50. The control device 50 includes a CPU, a ROM, a RAM, etc. The CPU reads out a program stored in the ROM into the RAM and executes it, thereby performing various controls related to the winding unit 10.

[0037] A contact roller 31 is rotatably attached to the second housing 30. When the yarn 91 is wound, the contact roller 31 rotates while contacting the yarn layer of the package 92 with a predetermined pressure, thereby adjusting the shape of the yarn layer of the package 92.

[0038] An operation panel 32 is provided in the second housing 30. The operation panel 32 is a device that is operated by an operator. The operator operates the operation panel 32 to give instructions to the winding unit 10. The instructions given by the operator include, for example, starting winding, stopping winding, changing winding conditions, etc.

[0039] The turret plate 40 is a disk-shaped member. The turret plate 40 is rotatably attached to the frame 11. The position of the rotation axis of the turret plate 40 coincides with the center position of the turret plate 40. The turret plate 40 is rotationally driven by a turret motor 41 shown in FIG. 2. The turret motor 41 is controlled by a control device 50.

[0040] The turret plate 40 has two bobbin holders 42 provided at two locations facing each other across the center position. A plurality of bobbins 90 can be attached to the bobbin holders 42 and lined up in the axial direction. The positions of the two bobbin holders 42 can be changed by rotating the turret plate 40. Each bobbin holder 42 is supported by the turret plate 40 in a cantilevered manner.

[0041] The bobbin holder 42 is rotatable relative to the turret plate 40 around the axis of the bobbin holder 42. The two bobbin holders 42 are individually driven to rotate by bobbin holder motors 43 shown in FIG. 2. The bobbin holder motors 43 are controlled by a control device 50.

[0042] With two bobbin holders 42 lined up one above the other, thread 91 is wound onto the higher bobbin holder 42. Specifically, after threading is performed on the bobbin 90 of one bobbin holder 42, the other bobbin holder 42 comes into contact with the contact roller 31, and as the other bobbin holder 42 rotates in this state, thread 91 is wound onto the bobbin 90 of the other bobbin holder 42, producing a package 92. Note that a leading end support member 45 (FIG. 1) is provided for supporting the end of the free end of the bobbin holder 42, which is positioned to contact the contact roller 31.

[0043] Furthermore, when a predetermined amount of yarn 91 is wound and the package 92 becomes full, the turret plate 40 rotates, switching the positions of the two bobbin holders 42. After that, the full package 92 is collected, and the yarn 91 is wound onto the bobbin 90 attached to one of the bobbin holders 42.

[0044] Next, in a stage prior to the manufacture of the package 92, an operator performs a threading operation in which the yarn 91 is wound around the bobbin 90 of one of the two bobbin holders 42, followed by a waste winding operation. This threading operation and waste winding operation will now be described. In this embodiment, the winding width direction, the axial direction of the package 92, and the axial direction of the bobbin holder 42 (bobbin holder axial direction) are all parallel to one another. In the following description, these directions will be collectively referred to simply as the "axial direction." Furthermore, the direction in which the yarn feed roller 100 is located relative to the yarn winding machine 1 will be referred to as the "height direction." In particular, the side of the height direction closer to the yarn feed roller 100 will be referred to as the upper side, and the opposite side will be referred to as the lower side. Furthermore, the direction perpendicular to both the axial direction and the height direction will be referred to as the "axial-orthogonal direction."

[0045] When the operator threads the yarn 91, the yarn 91 is wound without being engaged with the traverse guide 23. In addition, the traverse guide 23 is driven at a slower speed than normal. Therefore, even if the yarn 91 is engaged with the traverse guide 23 after threading, the quality of the yarn 91 cannot be ensured until the traverse guide 23 reaches its normal speed. Therefore, it is necessary to wind the low-quality yarn 91 by performing waste winding and discard the wound yarn 91.

[0046] In this embodiment, the axial length of the bobbin holder 42 (the length indicated by reference symbol L2 in FIG. 3 ) is smaller than the axial length of the yarn feed roller 100 (the length indicated by reference symbol L1 in FIG. 3 ). Therefore, the pitch between the yarns on the bobbin holder 42 is smaller than the pitch between the yarns on the yarn feed roller 100. When performing the auxiliary winding under these conditions, the following situation may occur. That is, when the yarn 91 is wound from the yarn feed roller 100 onto the bobbin 90, the yarn 91 located at the axial end of the yarn feed roller 100 may fall off to the axial outside of the bobbin 90 located at the axial end, resulting in a yarn breakage. Even if no yarn drop occurs, multiple yarns 91 may be concentrated at the axial end of the bobbin 90, as shown in FIG. 4 . As a result, localized thickening of the yarn occurs at the axial end during the auxiliary winding, which may cause the yarn layer to collapse and result in a yarn breakage.

[0047] To prevent yarn breakage due to yarn drop and localized thickening of the yarn, the yarn winding machine 1 of this embodiment is equipped with a restriction guide 60a and a movement mechanism 70a. The range in which the restriction guide 60a restricts the position of the yarn 91 is referred to as the restriction range (length indicated by reference symbol L3 in FIG. 3). The restriction range is inside the axial area of ​​the multiple bobbins 90 (the area in which the multiple bobbins 90 are attached to the bobbin holder 42). The restriction guide 60a and the movement mechanism 70a of this embodiment are disposed on the upper surface of the second housing 30. However, the restriction guide 60a and the movement mechanism 70a may be disposed at other positions where the yarn 91 can be restricted.

[0048] The configurations of the restriction guide 60a and the movement mechanism 70a will be described below with reference to FIGS.

[0049] The restriction guides 60a are provided at both ends in the axial direction. One restriction guide 60a restricts one or more yarns 91 at one end in the axial direction, and the other restriction guide 60a restricts one or more yarns 91 at the other end in the axial direction. The two restriction guides 60a are symmetrical with respect to a plane perpendicular to the axial direction, and therefore, the two restriction guides 60a will be described together below.

[0050] The restricting guide 60a is a member that directly acts on (comes into contact with) the yarn 91 to restrict the yarn 91. The restricting guide 60a is a member that is manufactured by performing processes such as punching and bending on a plate material. However, the restricting guide 60a may also be configured to be manufactured by attaching multiple members.

[0051] As shown in FIGS. 3 and 5, the restriction guide 60a includes an attachment portion 61, a middle portion 62, and an action portion 63. The attachment portion 61 is a portion that is attached to the moving mechanism 70a. Specifically, the attachment portion 61 is a portion in which a through hole is formed. The middle portion 62 is a portion that is formed between the attachment portion 61 and the action portion 63. The action portion 63 has a shape that is inclined with respect to the middle portion 62, and is a portion that comes into contact with the yarn 91.

[0052] The moving mechanisms 70a are provided at both ends in the axial direction. The two moving mechanisms 70a are symmetrical with respect to a plane perpendicular to the axial direction, and therefore, the two moving mechanisms 70a will be described together below. As shown in Figures 3 and 5, the moving mechanism 70a includes a slide rail (support shaft member) 71 and a support rail 72.

[0053] The slide rail 71 is a cylindrical member provided along the axial direction. The slide rail 71 is inserted through a through-hole in the attachment portion 61. This allows the restriction guide 60a to slide along the slide rail 71. Furthermore, because the cross section of the slide rail 71 is circular, the restriction guide 60a can rotate around the slide rail 71 as the center of rotation. In the yarn winding machine 1 of this embodiment, an operator manually slides or rotates the restriction guide 60a. Alternatively, an actuator may be provided to drive the restriction guide 60a. In this embodiment, the slide rail 71 is a member that functions as both a rail that slides the restriction guide 60a and a rotation shaft (support shaft member) that supports and rotates the restriction guide 60a. Alternatively, the member that functions as the rail and the member that functions as the rotation shaft may be separate members.

[0054] The support rail 72 is located closer to the first housing 20 than the slide rail 71. Like the slide rail 71, the support rail 72 is provided along the axial direction. By supporting the intermediate portion 62, the support rail 72 restricts the downward rotation of the restriction guide 60a (in other words, the downward movement of the action portion 63) as shown in the upper diagram of FIG. 5. This allows the restriction guide 60a to be maintained at the restriction position. The restriction position is a position where the restriction guide 60a restricts the yarn 91. The restriction position of the restriction guide 60a can be changed in the axial direction by sliding in the axial direction with the intermediate portion 62 supported by the support rail 72.

[0055] Furthermore, the support rails 72 are not formed near the ends in the axial direction. In other words, the movement mechanism 70a has a range where the slide rails 71 are formed and where the support rails 72 are not formed. In other words, when the restriction guide 60a slides beyond the area where the support rails 72 are arranged and into the range where the support rails 72 are not formed, the intermediate portion 62 is no longer supported by the support rails 72, and the restriction guide 60a rotates downward (the action portion 63 moves downward). As a result, the restriction guide 60a moves to the retracted position. The retracted position is a position retracted from the restriction position and is a position where the yarn 91 is not restricted (where there is no interference with the yarn path).

[0056] The restriction guide 60a of this embodiment retracts from the yarn path outward in the axial direction by sliding toward the end in the axial direction, and also retracts from the yarn path by rotating downward. That is, in the restriction position and the retracted position, the action portion 63 of the restriction guide 60a of this embodiment is located closer to the yarn path in the direction perpendicular to the axial direction than the attachment portion 61.

[0057] This configuration can reduce the movement path of the regulating guide 60a. Specifically, if the regulating guide 60a is rotated upward by 180° or more to be retracted (i.e., if the attachment portion 61 is positioned closer to the yarn path than the action portion 63), the movement path of the regulating guide 60a becomes large. As a result, a large space needs to be left above the regulating guide 60a.

[0058] In contrast, in this embodiment, the movement path of the restricting guide 60a does not include the space above the restricting guide 60a. Therefore, this space can be effectively utilized. As shown in FIG. 6, in this embodiment, an oil drip tray 12 is disposed in this space. The oil drip tray 12 is a member that protects the first housing 20, the second housing 30, and the yarn path between them from being splashed with oil. Note that a member other than the oil drip tray 12 may be disposed in this space.

[0059] Even if an axial force is applied to the restriction guide 60a due to vibration or the like, the intermediate portion 62 interferes with the end face of the support rail 72, so the restriction guide 60a does not return to the restriction position. In this way, the support rail 72 has both the function of maintaining the restriction guide 60a at the restriction position and the function of maintaining the restriction guide 60a at the retracted position. In this embodiment, the restriction guide 60a can be retracted from the yarn path by sliding it axially alone, so the mechanism for rotating the restriction guide 60a downward to retract it is not essential and can be omitted. Furthermore, although the restriction guide 60a in this embodiment is a component used during the extra winding process, it can also be used in other situations where yarn dropout may occur (for example, while winding the yarn 91 onto the bobbin 90).

[0060] Next, with reference to FIGS. 6 and 7, the opening and closing guide 80 used for the extra winding together with the restricting guide 60a and the moving mechanism 70a will be described.

[0061] The opening and closing guide 80 is disposed on the upper surface of the first housing 20. In other words, when viewed in the direction perpendicular to the axis, the opening and closing guide 80 and the restriction guide 60a are disposed so as to face each other with the yarn path in between. As shown in Fig. 7, the opening and closing guide 80 includes an opening and closing plate 81, a cylindrical member 82, a rail 83, and a yarn removal guide (Thread removal state maintenance guide) 84, a yarn share guide 85, and a gripping portion 86.

[0062] The opening / closing plate 81 is an elongated flat plate, and is arranged so that its longitudinal direction coincides with its axial direction. A cylindrical member 82 is immovably fixed to the short end of the opening / closing plate 81. A through hole is formed in the cylindrical member 82.

[0063] The rail 83 is a columnar member provided along the axial direction. The rail 83 passes through a through-hole in the tubular member 82. This allows the tubular member 82 to slide along the rail 83. Because the tubular member 82 is fixed to the opening / closing plate 81, the opening / closing plate 81 can slide in the axial direction along the rail 83. Furthermore, because the cross section of the rail 83 is circular, the opening / closing plate 81 can rotate around the rail 83 as the center of rotation. In the yarn winding machine 1 of this embodiment, an operator manually operates the opening / closing guide 80. Alternatively, an actuator that drives the opening / closing guide 80 may be provided.

[0064] The opening / closing plate 81 is also provided with a yarn removal guide 84 and a yarn portion guide 85. This allows the yarn removal guide 84 and the yarn portion guide 85 to be moved closer to or farther away from the yarn path.

[0065] The thread removal guide 84 is provided at the end of the opening / closing plate 81 in the short direction. In this embodiment, the opening / closing plate 81 and the thread removal guide 84 are integrally configured, but as will be described later, they may also be separate bodies. The thread removal guide 84 is movable between a thread removal position (indicated by the chain line in the upper diagram of FIG. 7 ) in which the opening / closing plate 81 is rotated toward the regulating guide 60a, and a retracted position (indicated by the retracted position where the thread removal guide 84 is retracted from the thread removal position) in which the opening / closing plate 81 is rotated in the opposite direction. The thread removal guide 84 in the thread removal position interferes with the thread path when the traverse guide 23 holds the thread 91, allowing the thread 91 to be removed from the traverse guide 23. Furthermore, the thread removal guide 84 in the thread removal position can hold the thread 91 removed from the traverse guide 23 so that it does not return to the traverse guide 23.

[0066] The split yarn guide 85 is disposed at the end of the opening / closing plate 81 in the short direction. The split yarn guide 85 is configured by arranging multiple plate-like members side by side. The yarn 91 is held by positioning it between the two plate-like members. The split yarn guide 85 is a member that assists the traverse guide 23 in holding the yarn 91. Therefore, the interval at which the split yarn guide 85 holds the yarn 91 is the same as the interval at which the traverse guides 23 are arranged. Furthermore, the position at which the split yarn guide 85 holds the yarn 91 is within the traverse area of ​​the corresponding traverse guide 23.

[0067] The dividing thread guide 85 is movable between a dividing position (dashed line in the upper diagram of FIG. 7) in which the opening / closing plate 81 is rotated toward the regulating guide 60a, and a retracted position in which the opening / closing plate 81 is rotated in the opposite direction (the dividing thread guide 85 is retracted from the dividing thread position). The dividing thread guide 85 in the dividing position holds multiple threads 91 individually separated by placing the threads 91 between plate-like members. Note that the configuration of the dividing thread guide 85 is one example, and it may be configured, for example, by forming grooves at regular intervals in a single plate material.

[0068] The grip portion 86 is formed at one longitudinal end (front end) of the opening / closing plate 81. The grip portion 86 is a portion that an operator holds with his / her hand when rotating the opening / closing plate 81.

[0069] Next, with reference to FIGS. 8 to 10, a process of threading using the restricting guide 60a, the moving mechanism 70a, the opening and closing guide 80, etc., and then starting package production will be described.

[0070] First, the operator operates the operation panel 32 to rotate the bobbin holder 42 and drive the traverse device 21. At this time, the traverse guide 23 of the traverse device 21 is driven to reciprocate at a speed slower than the normal speed used during package production. As shown in FIG. 8 , the operator rotates the opening / closing guide 80 toward the restricting guide 60a, and then slides the opening / closing guide 80 toward the free end of the bobbin holder 42. The operator holds multiple yarns 91 wound around the yarn feed roller 100 with a suction gun or the like. In this embodiment, the yarn 91 is supplied from the yarn feed roller 100 to the upper and lower winding sections 10. Therefore, the operator first threads all of the yarn 91 from the yarn feed roller 100 onto the upper winding section 10, then removes only the yarn 91 to be supplied to the lower winding section 10 and holds it again with a suction gun or the like, and threads the held yarn 91 onto the lower winding section 10. However, for simplicity of explanation, the following description will be given assuming that the yarn 91 supplied from the yarn feed roller 100 is threaded separately onto the upper winding section 10 and the lower winding section 10. Therefore, the operator holds the multiple yarns 91 to be supplied to the upper winding section 10 and hung on the yarn feed roller 100 with a suction gun or the like. Next, the operator threads the held yarns 91 onto the split yarn guide 85. At this point, the operator does not need to thread the multiple yarns 91 separately onto the split yarn guide 85. At this point, the regulating guide 60a is in the retracted position.

[0071] Next, as shown in FIG. 9 , the operator slides the opening / closing guide 80 back to its original position. At this time, the regulating guide 60a is in the retracted position, so the yarn 91 does not interfere with the regulating guide 60a. The operator winds the yarn 91, which is hooked on the yarn share guide 85, around the bobbin 90 of one of the bobbin holders 42. As a result, the yarn 91 is wound onto the bobbin 90. Next, the operator sets the regulating guide 60a to the regulating position, and then slightly rotates the opening / closing plate 81 up and down. By rotating the opening / closing plate 81 upward, for example, the yarn 91 is released from the yarn share guide 85 by the yarn release guide 84 and spreads in the axial direction. At this time, because the regulating guide 60a is in the regulating position, the yarn 91 is regulated so that the position of the yarn 91 is inside the regulating position of the regulating guide 60a, i.e., inside the axial region of the multiple bobbins 90 held in the bobbin holder 42 (the region where the multiple bobbins 90 are arranged in the axial direction). At the same time, the regulating guide 60a is slid in the axial direction. As a result, the restricting positions of the restricting guides 60a are dispersed in the axial direction, so that the multiple yarns 91 wound onto the bobbins 90 at both ends of the bobbin holder 42 are dispersed in the axial direction, preventing localized thickening of the wound yarns and preventing yarn breakage caused by such thickening. The opening / closing plate 81 is then rotated downward, so that the yarns 91 are held by other yarn dividing guides 85. By repeating this process, the positions of the multiple yarns 91 can be spread (distributed) in the axial direction. Finally, the operator individually holds the multiple yarns 91 in the yarn dividing guides 85, so that each yarn 91 is positioned one by one in the axial region of each bobbin 90. Because the restricting guides 60a are in the restricting positions, the yarns 91 do not move outside the axial region of the bobbin 90, preventing the axially spread yarns 91 from dropping off the bobbins 90.

[0072] When the above-mentioned operations are completed, the yarn is threaded onto one of the bobbin holders 42 of the lower winding unit 10 in the same manner as the upper winding unit 10.

[0073] When the above-described operations are completed in both the upper winding section 10 and the lower winding section 10, the operator operates the operation panel 32 in each of the upper winding section 10 and the lower winding section 10 to rotate the turret plate 40 and start switching the position of the bobbin holder 42. At the same time, the traverse guide 23 of the traverse device 21 switches to normal high-speed operation. Almost simultaneously, as shown in FIG. 10 , in each of the upper winding section 10 and the lower winding section 10, the operator rotates the open / close guide 80 to return it to its original position. In other words, the yarn removal guide 84 and the yarn distribution guide 85 return to their retracted positions. Because each yarn 91 is arranged individually in the axial region of each bobbin 90, when the yarn removal guide 84 and the yarn distribution guide 85 are moved to their retracted positions, the multiple traverse guides 23 each hold a yarn 91. Once the yarn 91 is held by the traverse guide 23, it is no longer necessary for the restriction guide 60a to restrict the yarn 91. The operator moves the restriction guide 60a to the retracted position. In this embodiment, the movement trajectory of the restriction guide 60a when moving from the restriction position to the retracted position does not interfere with the yarn dividing guide 85, which is in the yarn dividing position. Therefore, the restriction guide 60a can be moved to the retracted position without interfering with the yarn dividing guide 85. Then, by rotating the turret plate 40 to switch the position of the bobbin holder 42, the bobbin 90 of the other bobbin holder 42 comes into contact with the contact roller 31, and the yarn 91 is wound onto the bobbin 90 to produce a package 92. Note that the yarn 91 wound onto the bobbin 90 of one of the bobbin holders 42 for the above-mentioned threading operation is removed together with the bobbin 90 from the bobbin holder 42 and removed. A new bobbin 90 is attached to the other bobbin holder 42.

[0074] In this embodiment, the upper and lower opening / closing guides 80 have the same configuration. Alternatively, the upper and lower opening / closing guides 80 may have different configurations. For example, the upper opening / closing guide 80 may have the configuration shown in FIG. 11. As shown in FIG. 1, the yarn path from the yarn feed roller 100 to the lower winding section 10 is parallel or approximately parallel to the vertical direction, whereas the yarn path from the yarn feed roller 100 to the upper winding section 10 is inclined relatively sharply with respect to the vertical direction. Therefore, even if the opening / closing plate 81 is rotated up and down after the yarn 91 is hooked on the split yarn guide 85, the split yarn guide 85 does not retract much relative to the yarn 91, so the yarn 91 may not be released from the split yarn guide 85, and the yarn 91 may not spread in the axial direction.

[0075] In this regard, the opening and closing guide 80 shown in Figure 11 can operate the thread removal guide 84 and the dividing thread guide 85 separately. Specifically, the opening and closing guide 80 includes a first opening and closing plate 81a and a second opening and closing plate 81b. The first opening and closing plate 81a and the second opening and closing plate 81b are rotatably attached to rails 83 separately. Note that the sliding function of the first opening and closing plate 81a and the second opening and closing plate 81b may be omitted. The thread removal guide 84 is attached to the first opening and closing plate 81a. The dividing thread guide 85 is attached to the second opening and closing plate 81b.

[0076] As shown in the upper diagram of Figure 11, when the thread removal guide 84 is in the thread removal position and the split thread guide 85 is in the split thread position, the thread removal guide 84 comes into contact with the thread 91, but the split thread guide 85 does not come into contact with the thread 91. Therefore, by rotating the first opening / closing plate 81a up and down in this state, the thread 91 can be spread in the axial direction. As shown in the upper diagram of Figure 11, even when the thread removal guide 84 is in the thread removal position, the regulating guide 60a, which is in the regulating position, interferes with the yarn path, so the thread 91 can be regulated.

[0077] During threading, the first opening / closing plate 81a rotates toward the first housing 20, and the thread removal guide 84 is in the retracted position. As shown in the lower diagram of Figure 11, even when the thread removal guide 84 is in the retracted position, the restriction guide 60a, which is in the restriction position, overlaps with the thread path. Therefore, the restriction guide 60a can restrict the thread 91 even during threading.

[0078] Next, a restriction guide 60b and a movement mechanism 70b according to a second embodiment will be described with reference to Figures 12 and 13. In the following description, the same or similar components as those in the previous embodiment will be denoted by the same reference numerals in the drawings, and their description may be omitted. Furthermore, the matters described in the previous embodiment also apply to the second embodiment unless a contradiction arises.

[0079] The second embodiment differs from the first embodiment mainly in the following two points. First, the restriction guide 60b is moved from the restriction position to the retracted position simply by sliding it without rotating it. Second, the operator operates the operation unit 75 to slide the restriction guide 60b.

[0080] The following describes the restriction guide 60b and the movement mechanism 70b of the second embodiment. The restriction guide 60b is disposed at each end of the second housing 30 in the axial direction. The two restriction guides 60b are symmetrical with respect to a plane perpendicular to the axial direction, and therefore, the two restriction guides 60b will be described together below.

[0081] The restriction guide 60b includes an attachment portion 61, an intermediate portion 62, and an action portion 63. The attachment portion 61 has substantially the same configuration as in the first embodiment. The intermediate portion 62 is a portion provided between the attachment portion 61 and the action portion 63. The intermediate portion 62 has a shape that follows the surface of the second housing 30. The action portion 63 is provided in a direction that stands up from the surface of the second housing 30. As a result, the action portion 63 extends toward the first housing 20, and the action portion 63 can interfere with the yarn path.

[0082] The movement mechanism 70b of the second embodiment includes two operating rods 73, a plurality of slide guides 74, and two operating portions 75. The operating rods 73 are cylindrical members arranged along the axial direction. The two operating rods 73 are fixed to the two mounting portions 61 so as not to be able to move relative to each other. In other words, the operating rods 73 can move integrally with the restriction guides 60b.

[0083] A plurality of slide guides 74 are provided along the axial direction. A through hole is formed in the slide guide 74. An operating rod 73 is inserted into the through hole of the slide guide 74. This allows the restriction guide 60b and the operating rod 73 to slide along the axial direction.

[0084] The operation unit 75 is provided at an end of the slide guide 74. The operation unit 75 has a larger diameter than the slide guide 74 so that it can be easily gripped by the operator. The operator can slide the restriction guide 60b along the axial direction by moving the operation unit 75 along the axial direction. To make it easier for the operator to operate them, the two operation units 75 are provided at ends on the same side in the axial direction. The end on which the operation units 75 are provided is the end on the front side of the yarn winding machine 1, in other words, the end on the side where the operation panel 32 is provided.

[0085] When the operating part 75 is at the position shown by the solid line in Fig. 12, the two regulating guides 60b are in the retracted position. At this time, the axial positions of the two operating parts 75 are the same. To move the two regulating guides 60b from this state to the regulating position shown by the chain line, the two operating parts 75 need to be moved in different axial directions. Also, in the second embodiment, the acting part 63 is located closer to the yarn path in the direction perpendicular to the axial direction than the mounting part 61 in both the regulating position and the retracted position.

[0086] Note that the process of threading using the restriction guide 60b and the movement mechanism 70b is almost the same as in the above embodiment, so only the following supplementary explanation will be provided and a description of the entire threading operation will be omitted. In the second embodiment, when the operator slides the open / close guide 80 back to its original position, the thread 91 moves from the outside of the action portion 63 of the restriction guide 60b, over the action portion 63, and into the inside of the action portion 63. For this reason, the outside of the action portion 63 has a smoothly curved shape to make it easy to guide the thread 91 into the inside of the action portion 63.

[0087] Next, a restriction guide 60c and a movement mechanism 70c according to a third embodiment will be described with reference to Figures 14 and 15. Furthermore, the matters described in the previous embodiments also apply to the third embodiment unless a contradiction arises.

[0088] In the third embodiment, the configuration for moving the restriction guide 60c from the restriction position to the retracted position is different from that in the first embodiment. The restriction guide 60c and the movement mechanism 70c are respectively disposed at both ends in the axial direction of the second housing 30. Since the two sets of restriction guides 60c and the movement mechanisms 70c are symmetrical with respect to a plane perpendicular to the axial direction, the two sets of restriction guides 60c and the movement mechanisms 70c will be described together below.

[0089] As shown in FIGS. 14 and 15, the movement mechanism 70c includes a slide rail 71 and a connecting member 76. The slide rail 71 is a cylindrical member provided along the axial direction. The connecting member 76 is a member having a through hole formed therein. The slide rail 71 is inserted through the through hole of the connecting member 76 and serves as a support shaft member for the connecting member. This allows the connecting member 76 to slide along the slide rail 71. Furthermore, because the cross section of the slide rail 71 is circular, the connecting member 76 is rotatable around the slide rail 71 as a rotation center.

[0090] The restriction guide 60c includes an attachment portion 61, an action portion 63, and a weight portion 65. The attachment portion 61 is rotatably attached to the connecting member 76. The rotation direction of the attachment portion 61 relative to the connecting member 76 is parallel to the rotation direction of the connecting member 76 relative to the slide rail 71. As in the above embodiment, the action portion 63 is a portion that acts on the thread 91 to restrict the thread 91. The weight portion 65 is provided on the opposite side of the attachment portion 61 from the action portion 63. The weight portion 65 prevents the action portion 63 from rotating downward.

[0091] With this configuration, the restriction guide 60c can be moved closer to or away from the yarn path by rotating the connecting member 76 relative to the slide rail 71. Specifically, when the connecting member 76 extends from the slide rail 71 toward the yarn path in the direction perpendicular to the axis, the restriction guide 60c can be placed in a restriction position. On the other hand, when the connecting member 76 extends from the slide rail 71 to the opposite side of the yarn path in the direction perpendicular to the axis, the restriction guide 60c can be placed in a retracted position.

[0092] Furthermore, when the restriction guide 60c is in the restriction position, the weight portion 65 is supported by the moving mechanism 70c, thereby making the action portion 63 approximately horizontal. On the other hand, when the restriction guide 60c is in the retracted position, the weight portion 65 is supported by the second housing 30, thereby making it possible to orient the action portion 63 upward. This makes it possible to not only move the restriction guide 60c forward and backward in the direction perpendicular to the axis, but also to retract the restriction guide 60c from the yarn path depending on the orientation of the action portion 63.

[0093] Also in the third embodiment, in both the restricting position and the retracted position, the acting portion 63 is located closer to the yarn path in the direction perpendicular to the axis than the mounting portion 61. Note that the process of performing the yarn threading operation using the restricting guide 60c and the moving mechanism 70c is the same as in the above-described embodiment, and therefore a description thereof will be omitted.

[0094] As described above, the yarn winding machine 1 winds the plurality of yarns 91, which are fed from the yarn feed roller 100, onto the plurality of bobbins 90, respectively, to produce the package 92. The yarn winding machine 1 of this embodiment includes the bobbin holder 42, the plurality of traverse guides 23, the yarn removal guide 84, the restriction guides 60a, 60b, and 60c, and the movement mechanisms 70a, 70b, and 70c. The bobbin holder 42 holds the plurality of bobbins 90. The traverse guide 23 comes into contact with the plurality of yarns 91, respectively, and traverses the yarns 91 in the bobbin holder axial direction. The yarn removal guide 84 holds the plurality of yarns 91 in a state where the plurality of yarns 91 are removed from the plurality of traverse guides 23. The restriction guides 60a, 60b, and 60c restrict the plurality of threads 91 held by the thread removal guide 84 so that the position of the thread 91 in the axial direction of the bobbin holder is inside the axial area of ​​the plurality of bobbins 90 held in the bobbin holder 42. The movement mechanisms 70a, 70b, and 70c enable the restriction guides 60a, 60b, and 60c to move between a restriction position where they act on the thread 91 to restrict the thread 91 and a retracted position where they are retracted from the restriction position. The thread removal guide 84 is movable between a holding position where it holds the plurality of threads 91 and a retracted position where it is retracted from the holding position. The portion of the regulating guides 60a, 60b, 60c that is attached to the moving mechanisms 70a, 70b, 70c is referred to as the attachment portion 61, and the portion that acts on the yarn 91 is referred to as the action portion 63. When the direction in which the yarn feed roller 100 is positioned relative to the yarn winding machine 1 is referred to as the height direction and the direction perpendicular to both the height direction and the bobbin holder axial direction is referred to as the axially perpendicular direction, the action portion 63 is located closer to the yarn path in the axially perpendicular direction than the attachment portion 61 in both the regulating position and the retracted position.

[0095] As a result, the restricting guides 60a, 60b, and 60c restrict the yarn 91 to within the axial region of the bobbin 90, thereby preventing the yarn 91 from spreading when the yarn 91 is removed from the traverse guide 23. This facilitates the threading operation of hooking the yarn 91 onto the bobbin holder 42. Furthermore, when the restriction of the yarn 91 is no longer required, the restricting guides 60a, 60b, and 60c can be moved to the retracted position, making handling easier than with a configuration requiring attachment and detachment. Furthermore, the restricting guides 60a, 60b, and 60c can be moved between the restricting position and the retracted position without significantly changing their orientations. This reduces the movement path of the restricting guides 60a, 60b, and 60c, thereby increasing the space available for arranging other components. Furthermore, preventing the yarn 91 from spreading when the yarn 91 is removed from the traverse device 21 reduces the likelihood of yarn dropout. As a result, yarn breakage due to yarn dropout can be reduced.

[0096] In the yarn winding machine 1 of the present embodiment, the movement mechanisms 70a, 70b, 70c have mechanisms for sliding the restriction guides 60a, 60b, 60c in the bobbin holder axial direction at least inside the axial region of the plurality of bobbins 90.

[0097] During threading, by sliding the restriction guides 60a, 60b, and 60c that are in the restriction positions, the winding positions of the yarn 91 restricted by the restriction guides 60a, 60b, and 60c can be dispersed.

[0098] In the yarn winding machine 1 of the present embodiment, the restriction guides 60a, 60b slide in the axial direction of the bobbin holder, thereby switching between the restriction position and the retracted position of the restriction guides 60a, 60b.

[0099] This allows switching between the restricted position and the retracted position with a simple operation that involves a small movement locus.

[0100] The yarn winding machine 1 of the present embodiment includes an operating unit 75 that is arranged on the end side of the restriction guide 60b in the bobbin holder axial direction and is connected to the restriction guide 60b, and is operable to slide the restriction guide 60b.

[0101] This allows the restriction guide 60b to slide more easily than when the restriction guide 60b is operated by directly touching it.

[0102] In the yarn winding machine 1 of the present embodiment, the restriction guide 60a is switched from the restriction position to the retracted position by the action portion 63 moving in the height direction away from the yarn feed roller 100.

[0103] This makes it less likely to interfere with the operation of other devices.

[0104] In the yarn winding machine 1 of this embodiment, the movement mechanism 70a includes a support rail 72 that is provided along the bobbin holder axial direction and supports the restriction guide 60a so that the restriction guide 60a maintains the restriction position. The restriction guide 60a is slidable in the bobbin holder axial direction along the support rail 72. The restriction guide 60a switches from the restriction position to the retracted position by sliding past the position where the support rail 72 is located.

[0105] This allows a common member to be used to assist the slide and to maintain the restriction guide 60a at the restriction position. Also, switching from the restriction position to the retracted position can be easily performed.

[0106] In the yarn winding machine 1 of this embodiment, the movement mechanism 70c includes a slide rail 71 and a connecting member 76 that connects the slide rail 71 to the restriction guide 60c. At the restriction position, the connecting member 76 extends from the slide rail 71 toward the yarn path in the direction perpendicular to the axis. At the retracted position, the connecting member 76 extends from the slide rail 71 to the side opposite the yarn path in the direction perpendicular to the axis.

[0107] This allows the movement locus of the restriction guide 60c to be smaller than in a configuration in which the restriction guide 60c itself is inverted.

[0108] The yarn winding machine 1 of this embodiment includes a first housing 20 and a second housing 30. A traverse device 21 is disposed in the first housing 20. The second housing 30 is disposed opposite the first housing 20 with the yarn path interposed therebetween. The yarn removal guide is disposed in the first housing. Restriction guides 60a, 60b, and 60c are disposed in the second housing 30.

[0109] This allows the yarn removal guide 84 and the restriction guides 60a, 60b, and 60c to be suitably arranged.

[0110] The yarn winding machine 1 of this embodiment includes a yarn dividing guide 85 that separates the yarns 91 and holds them in the traverse regions of the multiple traverse guides 23. The yarn dividing guide 85 is movable between a yarn dividing position where the yarns 91 are separated and held, and a retracted position where the yarn dividing guide 85 is retracted from the yarn dividing position.

[0111] This allows the multiple yarns 91 to be regulated by the regulation guides 60a, 60b, and 60c, while each of the multiple yarns 91 is guided to the traverse area of ​​each traverse guide 23 and brought into contact (engage) with each traverse guide 23, making the yarn threading operation easier.

[0112] In the yarn winding machine 1 of the present embodiment, the pitch between the plurality of yarns on the bobbin holder 42 is smaller than the pitch between the plurality of yarns on the yarn feed roller 100.

[0113] If the pitch between the multiple threads on the bobbin holder 42 is smaller than the pitch between the multiple threads on the yarn feed roller 100, the multiple threads 91 tend to spread out over a wider area than the axial area of ​​the multiple bobbins 90 held by the bobbin holder 42, and therefore the effect of providing the regulating guides 60a, 60b, and 60c can be effectively exerted.

[0114] The preferred embodiment of the present invention has been described above, but the above configuration can be modified, for example, as follows.

[0115] In the yarn winding machine 1 of the above embodiment, the winding units 10 are arranged vertically. Alternatively, the winding units 10 may be arranged horizontally, or the yarn winding machine 1 may be provided with only one winding unit 10.

[0116] Although the traverse device 21 in the above embodiment is of a cam drum type, a different configuration may be used as long as it is possible to reciprocate the traverse guide 23 in the winding width direction. For example, a belt-type traverse device may be used instead of the traverse device 21. [Explanation of symbols]

[0117] 1 Yarn winding machine 20 First Housing 23 Traverse Guide 30 Second Housing 60a, 60b, 60c Regulatory Guide 61 Mounting part 63 Working part 70a,70b,70c Moving mechanism 71 Slide rail (support shaft member) 72 Support Rail 75 Control section 76 Connecting member 42 Bobbin holder 84 Thread removal guide (Thread removal state maintenance guide) 85 minute thread guide 90 bobbins 91 Thread 92 packages 100 Yarn feed roller

Claims

1. A yarn winding machine produces a package by winding a plurality of yarns fed from a yarn feed roller onto a plurality of bobbins, a bobbin holder for holding the plurality of bobbins; a plurality of traverse guides that come into contact with the plurality of yarns and traverse the yarns in the axial direction of the bobbin holder; a yarn release state maintaining guide that contacts the plurality of yarns to maintain a state in which the plurality of yarns are released from the plurality of traverse guides; two restriction guides that restrict the multiple yarns held by the yarn removal state retention guide to a restriction range that is inside the axial region of the multiple bobbins held in the bobbin holder so that the positions of the multiple yarns in the axial direction of the bobbins are inside the axial region of the multiple bobbins held in the bobbin holder; a movement mechanism that can move the two restriction guides between a restriction position where the restriction guides act on the plurality of yarns to restrict the plurality of yarns and a retracted position where the restriction guides are retracted from the restriction position; Equipped with the yarn removal state holding guide is movable between a holding position where the yarns are held and a retracted position where the yarn removal state holding guide is retracted from the holding position, When a portion of the two regulating guides that is attached to the moving mechanism is defined as an attachment portion, a portion that acts on the yarn is defined as an action portion, a direction in which the yarn feed roller is positioned with respect to the yarn winding machine is defined as a height direction, and a direction that is perpendicular to both the height direction and the bobbin holder axial direction is defined as an axially perpendicular direction, The yarn winding machine, wherein, in both the restricting position and the retracted position, the action portion is located closer to the yarn path than the attachment portion in the direction perpendicular to the axis.

2. The yarn winding machine according to claim 1, The yarn winding machine is characterized in that the movement mechanism includes a mechanism for sliding the two regulating guides in the axial direction of the bobbin holder at least inside an axial area of ​​the plurality of bobbins.

3. The yarn winding machine according to claim 1 or 2, The yarn winding machine is characterized in that the two regulating guides are slidable in the axial direction of the bobbin holder, thereby switching between the regulating position and the retracted position of the two regulating guides.

4. The yarn winding machine according to claim 3, a bobbin holder having a bobbin holder shaft and a bobbin holder axially extending from the bobbin holder shaft; ...

5. The yarn winding machine according to claim 1 or 2, the two regulating guides are switched from the regulating position to the retracted position by the action portions moving in the height direction in a direction away from the yarn feed roller.

6. The yarn winding machine according to claim 5, the moving mechanism includes a support rail that is provided along the bobbin holder axial direction and supports the two regulating guides so that the two regulating guides maintain the regulating positions, The two regulating guides are slidable in the axial direction of the bobbin holder along the support rails, The yarn winding machine is characterized in that the two restriction guides are switched from the restriction position to the retracted position by sliding past a location where the support rail is disposed.

7. The yarn winding machine according to claim 1 or 2, The moving mechanism includes: two connecting members attached to the two regulating guides, respectively; a support shaft member that supports the two connecting members and to which the two connecting members are rotatably connected; Equipped with At the regulating position, the two connecting members extend from the support shaft member toward the yarn guide in the direction perpendicular to the axis, The yarn winding machine, wherein, in the retracted position, the two connecting members extend from the support shaft member to opposite sides of the yarn path in the direction perpendicular to the axis.

8. The yarn winding machine according to any one of claims 1 to 7, a first housing in which the traverse guide is disposed; a second housing disposed opposite the first housing across a yarn path; Equipped with The yarn removal state maintaining guide is disposed in the first housing, The yarn winding machine, wherein the two regulating guides are disposed in the second housing.

9. The yarn winding machine according to any one of claims 1 to 8, a yarn splitter guide for individually separating the plurality of yarns and holding them in the traverse regions of the plurality of traverse guides; The yarn winding machine, wherein the yarn dividing guide is movable between a yarn dividing position where the yarn dividing guide holds a plurality of yarns separately and a retracted position where the yarn dividing guide is retracted from the yarn dividing position.

10. The yarn winding machine according to any one of claims 1 to 9, a length in the axial direction of the bobbin holder being smaller than a length in the axial direction of the yarn feed roller, and a pitch between the plurality of yarns on the bobbin holder being smaller than a pitch between the plurality of yarns on the yarn feed roller.

11. The yarn winding machine according to any one of claims 1 to 10, a yarn winding machine, characterized in that the two regulating guides are arranged on the upper surface of a housing to which a contact roller that contacts the yarn layers of the package with a predetermined pressure is rotatably attached when winding the multiple yarns.

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