JPH0647374U - Piecing device for spinning machine - Google Patents

Abstract

(57) [Summary] [PROBLEMS] The present invention relates to a piecing device for a spinning machine, in which a spindle member of a spinning section Sp composed of a nozzle member N and a spindle member S is configured to be contactable with and separable from the nozzle member. [Effect] When resuming spinning interruption at the time of yarn breakage or replacement of the supply sliver, the inside of the nozzle member and the like can be cleaned in advance to prepare for yarn splicing, so that spinning can be restarted quickly.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a piecing device for automatically splicing cut spun yarns in a spinning machine that produces spun yarns using a swirling air flow.

[0002]

[Prior art]

 Conventionally, when a spun yarn is cut in a spinning machine that produces a spun yarn using a swirling air flow, the upper yarn and the lower yarn on the spinning side are pulled out, and the upper yarn and the lower yarn are knotted. There is known a piecing device or the like which is introduced into a machine to perform yarn splicing.

[0003]

[Problems to be solved by the device]

 In a spinning machine that manufactures spun yarn using a swirling air flow, when the spun spun yarn is cut due to defects in the spun yarn itself, defects in the device, or the slabcatcher arranged in the spun machine is spun yarn. When the slab inside is detected and the spun yarn is forcibly cut by the slab catcher, the upper thread of the spinning side and the lower thread of the winding side are pulled out, and the upper thread and the lower thread are introduced into the knotter. Practical piecing devices that perform yarn splicing are known, but spun yarn cannot be spun because the air nozzles of the spinning machine are clogged with sliver and impurities contained in the sliver. In this case, if the spun yarn cannot be spun out during the spun yarn formation process or if the spun yarn is interrupted due to the replacement work of the supply sliver, the nozzle member is automatically cleaned or the air is removed. Sly clogged in the nozzle Practical piecing apparatus can resume processing alms spinning such removing is not known.

An object of the present invention is to prevent spun yarn from being spun at the spun yarn forming stage or earlier, or to break the spun yarn or interrupt the spinning process when the supply sliver is replaced. It is an object of the present invention to provide a piecing device for a practical spinning machine capable of automatically, reliably and rapidly recovering the yarn.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention relates to a piecing device in which a spindle member of a spinning section composed of a nozzle member and a spindle member can be brought into and out of contact with the nozzle member.

[0006]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. First, a spinning process of a spinning machine to which the piecing device of the present invention is applied will be described mainly with reference to FIGS. 1 and 2. For convenience, the spinning unit as a whole will be described below with reference to FIG. 1 showing the spinning unit and the like of the present invention.

In FIG. 1, L is a driver that is supplied to a draft device D via a sliver guide T. The draft device D is composed of a back roller Rb, a third roller Rt, a second roller Rs having an apron, and a front roller Rf. The sliver L drafted by the drafting device D 1 is supplied to a spinning portion Sp including a nozzle member N and a spindle member S, and is formed into a spun yarn Y in the spinning portion Sp. The spindle member S is held by a support member h at the tip of the rod r of the cylinder Cs, and is separable from the nozzle member N as described later.

FIG. 2 is an enlarged partial cross-sectional view of the nozzle n of the nozzle member N and the hollow spindle s of the spindle member S shown in FIG. 1, in which the nozzle n has a peripheral wall of the cylindrical hollow chamber 1. A plurality of, for example, four air injection holes 3 that are inclined in the tangential direction toward the conical tip 2 of the hollow spindle s are provided, and in the cylindrical hollow chamber 1 there is no restriction. The needle-shaped guide member 5 having a diameter smaller than the diameter of the inlet of the hollow passage 4 of the hollow spindle s is disposed so as to face the inlet of the hollow passage 4 of the hollow spindle s. Is attached to the inner wall 6 of the. The hollow spindle s is rotatably supported by a suitable drive means such as an air turbine or a drive belt (not shown).

The drafted sliver L delivered from the front roller Rf of the draft device D is generated by the suction air flow in the vicinity of the sliver introduction hole 7 of the nozzle n generated by the action of the air ejected from the air ejection hole 3. It is sucked into the cylindrical hollow chamber 1 in the nozzle n. Then, the fibers f constituting the sliver L sucked into the cylindrical hollow chamber 1 are sent along the periphery of the needle-shaped guide member 5, and the fibers f1 are air-injected in the vicinity of the conical tip 2 of the hollow spindle s. While being separated from the sliver L, it is tentatively twisted in the direction of the swirling air flow while being acted upon by the swirling air flow ejected from the hole 3 and swirling at a high speed on the outer periphery of the hollow spindle s.

At this time, in the fiber f1 separated from the sliver L, the needle-shaped guide member 5 prevents the core fiber from being formed, and the hollow spindle s is rotating, so that the tip portion 2 of the hollow spindle s is Since it is evenly distributed on the outer periphery, there are almost no core fibers. Therefore, most of the fibers are twisted and wound into the actual twisted spun yarn Y. Further, the false twist applied by the swirling air flow tries to propagate in the direction of the front roller Rf, but the propagation is blocked by the needle-shaped guide member 5, so that the sliver L sent out from the front roller Rf is temporarily changed. It is not twisted by twisting. As described above, the falsely twisted fibers f1 are sequentially formed on the spun yarn Y, and are sent toward the spun yarn winding portion through the hollow passage 4 of the hollow spindle s. The spun yarn forming device as described above is disclosed in, for example, Japanese Patent Publication No. 3-161525.

[0011] Hereinafter, the spinning unit U running along the longitudinal direction of a spinning machine in which a large number of spinning units U having the above-described spinning unit Sp are arranged, detects the spinning unit U in which yarn breakage has occurred, and performs yarn splicing. The piecing device to be performed will be described in detail.

FIG. 3 is a front view of a spinning machine in which a large number of spinning units U are arranged. The sliver L is sent to a draft device D and formed into a spun yarn Y by a spinning section Sp, and then the spun yarn Y is a nip roller. It is taken up by the take-up section W via Rn, the slab catcher Z and the like. P is a piecing device, which will be described later, and is configured to run below the spinning machine along the longitudinal direction of the spinning machine.

Next, with reference to FIG. 4 showing a schematic side view of the spinning unit U and the piecing device P and FIG. 5 showing a schematic front view of the spinning unit U and the piecing device P, a draft device D, a spinning unit Sp, The positional relationship between the spinning unit U composed of the nip rollers Rn and the like and each member constituting the piecing device P will be described.

The spinning unit Sp is disposed adjacent to the draft device D including the above-described back roller Rb, third roller Rt, second roller Rs having an apron, and front roller Rf, and the spinning unit Sp is formed by the spinning unit Sp. The yarn Y is sent to the spun yarn winding portion W via a spun yarn feeding member H composed of a nip roller Rn and a delivery roller Rd, a slab catcher Z, and the like, and wound into a package b. In FIG. 5, Ch is an electromagnetic clutch for stopping or driving the back roller Rb.

On the other hand, the piecing device P separates the package b from the friction roller d and rewinds the spun yarn Y that has been wound into the package b from the package b of the spinning unit U in which the yarn breakage has occurred, at the same time as the package b. a package pushing member J for holding b, a package reversing member Rw for reversing the package b separated from the friction roller d in the direction opposite to the winding direction, and for pulling out the cut end of the spun yarn Y from the package b. Of the suction member Su and the guide member Gu for guiding the spun yarn Y drawn from the package b and holding the spun yarn Y drawn from the package b at a predetermined position. Pulling out from the transfer arm member Ta and the package b which are transferred below the spindle part material S of Sp. The spun yarn Y is threaded through the hollow spindle s of the spindle member S of the spinning unit Sp, and is composed of an air sucker member As and the like for defibrating the leading end of the spun yarn Y.

In FIG. 4, 8a is a wheel which runs on a rail 9a installed on the floor which is rotatably driven by a suitable driving means arranged in the piecing device P, and 8b and 8c are piecing devices P. The wheels are arranged so as to sandwich the rail 9b installed in the spinning machine installed in the upper part of the wheel.

Hereinafter, a means for separating the nozzle member N of the spinning portion Sp from the front roller Rf, a means for separating the spindle member S from the nozzle member N, a cleaning means for the spinning portion Sp and the like, and a spun yarn feeding member. H and the package pushing member J, the package reversing member Rw, the suction member Su, the guide member Gu, the transfer arm member Ta, the air sucker member As, and the like that constitute the piecing device P will be described in detail.

First of all, referring to FIG. 6 showing a side view of the spinning section Sp including a partial cross section and FIG. 7 showing a bottom view from the spindle member S side of the adjacent two spindles of the spinning section Sp, the spinning section Sp of FIG. The means for separating the nozzle member N from the front roller Rf, the means for separating the spindle member S from the nozzle member N, the cleaning means for the spinning portion Sp and the like, and the spun yarn delivery member H will be described.

The spindle member S constituting the spinning section Sp is held by the support member h at the tip of the rod r of the cylinder Cs, and is joined to the nozzle member N during spinning as shown by the solid line in FIG. When a yarn breakage occurs, the cylinder Cs is operated to separate it from the nozzle member N as shown by the chain double-dashed line.

The nozzle member N is attached to the base of the spinning machine that slidably accommodates the nozzle cover 11 that accommodates the nozzle n that is attached to the nozzle casing 10 with the screw z, and the nozzle casing 10. The nozzle housing 12 has a through hole 15 in which the coil spring 13 and the sphere 14 are housed, which is formed in the nozzle housing 12 toward the nozzle casing 10. On the other hand, the corresponding nozzle casing 10 has a through hole 15. A groove 16 into which a part of the spherical body 14 can be inserted is provided. Therefore, normally, the nozzle casing 10 is pressed by the spherical body 14 urged by the coil spring 13, so that the nozzle casing 10 is frictionally engaged with the nozzle housing 12.

Reference numeral 17 is an air blowout hole directed toward the nozzle n and formed in the nozzle housing 12 by a predetermined number, and appears when the nozzle casing 10 is moved in the direction opposite to the front roller Rf as described later. The nozzle casing 10 is connected to an air supply pipe 19 through a circumferential groove 18 provided around the nozzle casing 10. During spinning, the air blowing hole 17 is closed by the side wall of the nozzle cover 11. Reference numeral 20 denotes a spindle housing that rotatably supports a hollow spindle s, and a ring 21 is attached to the spindle housing 20 so that the ring 21 can be slid to some extent, and the nozzle member N and the spindle member S are securely joined together. It also serves as a buffer when joining.

Reference numeral 22 denotes a cover member, preferably made of a transparent synthetic resin, which covers the nozzle housing 12. One end 22 a of the cover member 22 is connected to the suction pipe 23, while the nozzle casing 10 and the nozzle housing 12 are not shown. A hole 10a is provided as shown in FIG. The holes of the nozzle housing 12 are not shown. By sucking air with a weak suction pressure by the suction tube 23 during spinning, the suction tube 23 acts as an escape hole for the air ejected from the air injection hole 3 of the nozzle n and the inside of the nozzle housing 12 during spinning. It acts to remove harmful floating fibers generated in the.

In the spinning section Sp configured as described above, for example, the sliver L or the sliver L is included between the front roller Rf and the tip of the nozzle n or in the hollow passage 4 of the hollow spindle s. If yarn breakage occurs because the sliver L is not properly supplied due to the clogging of impurities, the back roller Rb of the back roller Rb is sent via a command from an appropriate controller based on a signal from a known yarn breakage detecting device. The draft device D is stopped by releasing the electromagnetic clutch Ch, and the driving of the spinning unit Sp, the winding unit W, etc. is stopped.

Next, the cylinder Cs is operated to retract the spindle member S to the position shown by the chain double-dashed line and separate it from the nozzle member N. When the compressed air is supplied from the air supply pipe 19 to the circumferential groove 18 provided around the nozzle casing 10 after the spindle member S retreats or after the retreat is started, the pressure of the compressed air causes the nozzle housing 12 and the spherical body to move. The nozzle casing 10 frictionally engaged via 14 moves to the left in FIG. 6 to widen the gap between the front roller Rf and the tip of the nozzle n, and the air blowing hole 17 appears to allow compressed air If the sliver L and impurities contained in the sliver L are blocked between the front roller Rf and the tip of the nozzle n, they are blown off and cleaned. Further, the inside of the nozzle casing 10 is also cleaned by temporarily injecting air from the air injecting holes 3 shown in FIG. 2 described above.

Next, the spun yarn feeding member H will be described with reference to FIG. The nip roller Rn is pivotally attached to one end of a lever 25 swingable around a fixed shaft 24, and the other end of the lever 25 is attached to a fixed rod 26 of a spinning machine by a suitable fastener 27. The cylinder rod 28a of the cylinder 28 is connected, and the lever 25 is biased counterclockwise by a weak return spring attached to the lever 25. When the spun yarn Y is sent out, the cylinder 28 is operated to bring the nip roller Rn into contact with the rotationally driven delivery roller R d to nip the spun yarn Y and send it out in the spun yarn winding portion W direction. When a yarn breakage occurs, the operation of the cylinder 28 is stopped and the lever 25 is rotated counterclockwise by the return spring to separate the nip roller Rn from the rotationally driven delivery roller Rd. Stop sending.

Next, the package push-out member J and the suction member Su 1 constituting the piecing device P are mainly shown in FIG. 4, FIG. 9 showing the side surface of the package push-out member J, and a perspective view showing the suction operation of the suction member Su. This will be described with reference to FIG. Reference numeral 30 denotes a package push-out plate. The package push-out plate 30 is shown by a chain double-dashed line from a standby position shown by a solid line in FIG. 9 around a fixed shaft 31 attached to a frame of the pacing device P. It is configured so that the package b can be rotated to a position where it is pushed out. 32 is a lever attached to the package extrusion plate 30. One end of a rod 33 is pivotally attached to the lever 32 by a pin 34, and the other end of the rod 33 is as shown in FIG. , Is connected to one end of a lever 36 pivotally attached to a fixed shaft 35 attached to the frame of the pacing device P. Further, a cam follower 37 is provided at the other end of the lever 36, and the cam follower 37 serves as a driving source of various members of the piecing device P and is also a cam of the plate cam group e which performs drive control. Abutting.

In FIG. 9, reference numeral 40 denotes a fixed shaft attached to a machine stand on the side of the spinning machine. A known cradle arm 41 is pivotally attached to the fixed shaft 40 so as to be swingable, and 42 is a cradle. Reference numeral 42a denotes a substantially fan-shaped package positioning lever attached to the lower part of the arm 41, and reference numeral 42a denotes a shoe formed of a friction member such as rubber formed in an arc shape around the fixed shaft 40. It is attached to the package positioning lever 42.

As shown in FIG. 4, the suction member Su moves from the vertical standby position shown in FIG. 4 around the fixed shaft 50 attached to the frame of the piecing device P to the position shown in FIG. The suction tube lever 51 is rotatable to a position close to the surface of the package b shown in FIG. 2 and a suction mouse 51a having a substantially triangular shape formed substantially at a right angle to the suction tube lever 51. A slit 52 having a length substantially equal to the length of the package b is formed along the portion corresponding to the base of the triangle of the shaped suction mouse 51a. Although not shown, the rotation of the suction tube lever 51 is drive-controlled by the cams of the cam group e via an appropriate rod, similarly to the rotation of the package pushing plate 30 described above.

The functions of the package pushing member J and the suction member Su will be described below. When thread breakage occurs, by rotating an appropriate cam of the cam group e by an instruction from an appropriate controller, the lever 36 is rotated clockwise in FIG. 4, and the rod 33 is moved to the right, The package push-out plate 30 is rotated clockwise about the fixed shaft 31 in FIG. 9 in the clockwise direction. The tip 30a of the package push-out plate 30 comes into contact with the package b from below on the friction roller d side of the package b, and enters between the package b and the friction roller d so that the package b can be seen from the friction roller d by the two-dot chain line in FIG. By separating as shown and the package b comes into contact with the contact surface 30b of the package push-out plate 30, the inertial rotation is stopped.

After separating the package b from the friction roller d, as shown in FIG. 11, by rotating the cams of the cam group e, the rod 60 at the standby position indicated by the solid line is moved leftward, The shoe lever 61 is rotated counterclockwise about the fixed shaft 62 to bring the shoe 61a formed of a friction member such as rubber into contact with the shoe 42a of the package positioning lever 42, and the package pushing plate 30 shown in FIG. After retreating to the standby position indicated by the line, by a suitable elastic member (not shown), the clockwise rotation of the cradle arm 41, which is always urged in the clockwise direction in FIG. 9, is prevented. .

Next, the suction tube lever 51 is rotated counterclockwise from the standby position shown in FIG. 4, and the slit 52 of the suction mouse 51a is mounted on the package b as shown in FIG. The spun yarn Y caught in the package b is suctioned.

The package reversing member Rw for reversing the package b during this suction operation will be described below with reference to FIG. Reference numeral 70 denotes a reversing roller installed at the free end of a rocking lever 72 pivotably mounted on a fixed shaft 71 mounted on the frame of the piecing device P, and also mounted on the shaft of the reversing roller 70. A timing belt 75 is stretched between a sprocket 73 and a sprocket 74 pivotally mounted on a fixed shaft 71 rotated by an appropriate driving means such as a motor. The reverse rotation roller 70 is appropriately rotated via the belt 75 and the sprocket 73. One end of a rod 76 is pivotally attached to a free end of the swing lever 72 opposite to the position where the reverse rotation roller 70 is installed, and the other end of the rod 76 is substantially pivotally attached to the fixed shaft 35. One end of a V-shaped lever 77 is pivotally attached, and a cam follower 78 that is in contact with the cams of the cam group e is provided at the other end of the substantially V-shaped lever 77.

Therefore, while the suction mouth 51a of the suction tube lever 51 is sucking the spun yarn Y wound in the package b, the cams of the cam group e are rotated to move the rod 76 through the lever 77 having a substantially V-shape. 4 to move rightward in FIG. 4, the swing lever 72 is rotated in the timewise direction to bring the reverse rotation roller 70 into contact with the package b. Next, the reverse rotation roller 70 is rotationally driven to rotate the package b in the rewinding direction, and the slit 52 of the suction mouth 51a sucks the spun yarn Y wound in the package b for a predetermined length. Since the reverse rotation roller 70 needs to be operated as described later even after the suction operation of the spun yarn Y is completed, the contact with the package b is maintained in the state where the rotation is stopped.

Next, a guide member Gu for guiding the spun yarn Y sucked into the slit 52 of the suction mouth 51a to a predetermined position and the spun yarn Y held at a predetermined position by the guide member Gu are received. The transfer arm member Ta, which is separated from the above-mentioned nozzle member N and is transported below the spindle member S of the spinning unit Sp, will be described.

First, the guide member Gu will be described with reference to FIGS. 4 and 5 and FIG. 12, which is a perspective view showing the positional relationship between the suction mouse 51a, the transfer arm member Ta, and the guide member Gu. As shown in FIG. 4, the guide member Gu has a guide lever 80 pivotally mounted on the frame a1 of the piecing device P, and a rod 81 is pivotally mounted in the middle of the guide lever 80. The rod 81 is configured to be movable in the left-right direction in FIG. 4 by the cams of the cam group e, similar to the rod 76 pivotally attached to the swing lever 72 described above. In order to rotate from the standby position inclined to the right shown by the solid line in FIG. 4 to the operating position in the substantially vertical state shown in FIG. 12, the cams of an appropriate cam group e are to be rotated. By rotating the rod 81 to the left, the proposal lever 80 is rotated counterclockwise.

As shown in FIGS. 4 and 12, a substantially Y-shaped upper guide plate 82 having a slit 82 a is horizontally attached to the upper end of the guide lever 80. Below the 82, a substantially Y-shaped lower guide plate 83 having a slit 83a similar to that of the upper guide plate 82 is horizontally attached at a predetermined interval. As shown in FIG. 12, a scissor-shaped cutter 84 including a fixed blade 84a and a movable blade 84b is installed on the upper surface of the upper guide plate 82, and the movable blade 84b is similar to the air cylinder 84c. It is constructed so that it can be rotated about the shaft 84d by a suitable driving means. Note that the scissors-shaped cutter 84 is omitted in FIG.

Next, FIG. 13 is an overall perspective view of the transfer arm member Ta, FIG. 14 is a front view of the transfer arm member Ta including a partial cross section, and the yarn finger of the transfer arm member Ta including an internal cross section of the yarn finger. The transfer arm member Ta will be described mainly with reference to FIG. 15 which is a front view of FIG. 15 and FIG. 16 which is a perspective view of the yarn finger and the guide member Gu. As shown in FIG. 4, the transfer arm member Ta is for moving the motor m, the operating member q, and the operating member q installed in the frame a2 of the piecing device P in the left and right directions in FIG. 5 or FIG. It is composed of a moving member t, an accelerator wire member v, and an operating head member k.

Next, the operation member q will be mainly described with reference to FIGS. 13 and 14. Reference numeral a3 denotes a frame of the piecing device P. The substantially cylindrical jacket j has a cylindrical body j1 and j2 extending axially from both ends of the substantially cylindrical jacket j through the bearings 90a and 90b. It is mounted rotatably with respect to the frame a3 by being attached to the holes 91a and 91b formed in the vertical frames a3 ′ and a3 ″ of the frame 93. It is a segment gear pivotally attached to the attached fixed shaft 92 via a bearing 93b, and the segment gear 93 is engaged with a wide gear 94 attached to the outer wall of a substantially cylindrical jacket j. As will be described later, the gear 94 engaged with the gear 93 has a movement amount of the substantially cylindrical jacket j so as to allow the movement when the substantially cylindrical jacket j moves. Further, a rod 93a which is operated by the cams of the cam group e is attached approximately in the middle of the segment gear 93, and accordingly, the segment gear 93 is moved by the movement of the rod 93a. By appropriately rotating in the clockwise direction or the counterclockwise direction, the substantially cylindrical jacket j can be appropriately rotated in the clockwise direction or the counterclockwise direction through the gear 94 engaged with the segment gear 93.

Reference numeral 95 denotes a rotary shaft that penetrates a cylindrical body j 1 of a substantially cylindrical jacket j that is rotationally driven by a motor m, and the vicinity of the tip of the rotary shaft 95 is supported by an appropriate bearing 95a. At the same time, a bevel gear 95b is attached to the tip of the rotary shaft 95. The rotating shaft 95 has a shaft portion 95d connected to the rotating shaft of the motor m having a shaft portion 95c having a square cross section at the tip, and a square hole 95e into which the shaft portion 95c having a square cross section can be slidably inserted. When the cylinder 98 described later is actuated, the shaft portion 95c having a square cross-section is slidable in the square hole 95e of the shaft portion 95f and has a substantially cylindrical shape. It is possible to allow the movement of the jacket j. A bevel gear 96b that engages with a bevel gear 95b is attached to the short shaft 96 supported by a bearing 96a orthogonal to the rotating shaft 95. The bevel gear 96b of the short shaft 96 is opposite to the side thereof. An accelerator wire 97 housed in an accelerator wire member v is attached to the side. The bearing 96a supporting the short shaft 96 is arranged in a sub-jacket j'extending from substantially the middle of the substantially cylindrical jacket j.

Reference numeral 98 denotes a cylinder that constitutes a moving member t having a cylinder rod 98b penetrating the cylindrical body j2 of the substantially cylindrical jacket j, and the tip of the cylinder rod 98b is attached to the bearing 98a. By operating the cylinder 98, the substantially cylindrical jacket j can be moved in the left-right direction in FIG. 14 as described above.

Next, the operation head member k will be described mainly with reference to FIGS. 13 and 15. In FIG. 13, 100a is a fixed block attached to the accelerator wire member v, and elongated side frames 100b and 100c, which are substantially parallel to each other along the accelerator wire member v, are attached to the fixed block 100a. A fixed block 100d is attached near the ends of the elongated side frames 100b and 100c opposite to the block 100a. Reference numeral 101 denotes a gear box attached to the tip of an accelerator wire member v extending through the fixed blocks 100a and 100d. The gear box 101 has a bevel gear 102 attached to the tip of an accelerator wire 97 as a shaft. It is installed via the receiver 102a.

Reference numeral 103 denotes a yarn finger made of a plate-like member that is bent in a substantially U shape as shown in FIG. 13 or FIG. 16, and the yarn finger 103 is an elongated side frame 100b, It is attached to a cylinder block 104 attached to the tip of a cylinder rod described later so as to be substantially orthogonal to 100c. Near the ends of the upper plate 103a and the lower plate 103b of the yarn finger 103 on the opposite side to the cylinder block 104, they extend in a direction substantially perpendicular to the elongated side frames 100b and 100c opened toward the ends. The slit 105 is provided, and the open side of the slit 105 is widened to facilitate insertion of the spun yarn Y into the slit 105.

In FIG. 15, reference numeral 106 denotes a bevel gear that engages with the bevel gear 102 attached to the tip of the accelerator wire 97 described above, and the bevel gear 106 is supported by the cylinder block 104 via bearings 107a and 107b. It is attached to one end of the rotating shaft 107. Reference numeral 108 denotes a yarn feeding roller attached near the other end of the rotating shaft 107, and 109 denotes a movable yarn feeding roller rotatably mounted on a shaft 110a provided on a substantially rectangular rotating frame 110. The corner of the rotating frame 110 opposite to the side where the movable yarn feed roller 109 is installed is pivotally attached to the shaft 104a installed in the cylinder block 104, and the rotating frame 110 mounts the shaft 104a. In the center, the position where the movable yarn feed roller 109 shown by the solid line in FIG. 15 contacts the yarn feed roller 108, and the position where the movable yarn feed roller 109 shown by the chain double-dashed line separates from the yarn feed roller 108 are shown. A cylinder rod 111a of a cylinder 111 installed in the cylinder block 104 is pivotally mounted on the rotary frame 110 so as to be rotatable between them. Accordingly, the cylinder rod 111a is pushed out by operating the cylinder 111 with the air supplied from the supply pipe 111b, and the rotating frame 110 is rotated clockwise about the shaft 104a in FIG. As described above, the movable yarn feeding roller 109 installed on the rotating frame 110 can be brought into contact with the yarn feeding roller 108 attached to the rotating shaft 107.

Next, a means for rotationally driving the yarn feeding roller 108 attached to the rotating shaft 107 will be described with reference to FIGS. 14 and 15. As described above, when the motor m is driven and the bevel gear 95b attached to the tip of the rotary shaft 95 is rotated, the bevel gear 96b engaged with the bevel gear 95b is rotated. Therefore, the bevel gear 96b is therefore rotated. The accelerator wire 97 fixed to the short shaft 96 attached to the shaft is driven to rotate. As shown in FIG. 15, the rotation of the accelerator wire 97 is transmitted to the bevel gear 102, and further transmitted to the bevel gear 106 engaged with the bevel gear 102, so that the rotating shaft 107 to which the bevel gear 106 is attached. Is rotated, and accordingly, the yarn feeding roller 108 attached to the rotating shaft 107 is rotationally driven.

As will be described later, after inserting the spun yarn Y in the state where the movable yarn feeding roller 109 is separated from the yarn feeding roller 108, the cylinder rod 111 a is pushed out by operating the cylinder 111, and the rotary frame is rotated. In FIG. 15, 110 is rotated clockwise around the shaft 104a, and the movable yarn feeding roller 109 installed on the rotating frame 110 is brought into contact with the yarn feeding roller 108 attached to the rotating shaft 107 to carry out spinning. The yarn Y is configured to be able to be gripped by the yarn feeding roller 108 and the movable yarn feeding roller 109, and further, in this state, the motor m is driven to drive the accelerator via the bevel gear 95b, the bevel gear 96b and the like. By rotating the wire 97 and transmitting the rotation of the accelerator wire 97 to the yarn feeding roller 108 via the bevel gears 102, 106 and the like. Therefore, the spun yarn Y held by the yarn feeding roller 108 and the movable yarn feeding roller 109 can be fed out.

In FIG. 13, 112 is a cylinder having one end attached to the fixed block 100a, and an L-shaped lever 113 is attached to the tip of the cylinder rod 112a of the cylinder 112. The end portion of the L-shaped lever 113 opposite to the end portion to which the tip end of the cylinder rod 112a is attached is, as shown in FIG. 15, the cylinder 11 installed in the cylinder block 104 described above. 13 and therefore, when the cylinder rod 112a of the cylinder 112 is retracted from the state shown in FIG. 13, the yarn finger 103 is moved around the rotating shaft 107 shown in FIG. It is configured to rotate counterclockwise and rotate the yarn finger 103 from a horizontal state to a substantially vertical state as shown in FIG.

Further, as described above, the cylinder rod 98b of the cylinder 98 having the cylinder rod 98b penetrating the cylindrical body j2 of the substantially cylindrical jacket j shown in FIG. 14 is pushed out, that is, the jacket. When j is moving to the right in FIG. 14, the yarn finger 103 is in a position where it does not enter between the upper guide plate 82 and the lower guide plate 83 of the guide member Gu, and conversely, the cylinder rod 98b is In the retracted state, that is, in the state in which the jacket j is moving to the left in FIG. 14, the yarn finger 103 is, for example, as shown in FIG. 12, the upper guide of the guide member Gu. It is configured to be inserted between the plate 82 and the lower guide plate 83.

Next, the spun yarn Y sucked and held by the suction mouth 51 a of the suction tube lever 51 and inserted into the slits 82 a and 83 a of the upper guide plate 82 and the lower guide plate 83 of the guide member Gu is inserted into the yarn finger. The operation of delivering to 103 and cutting with the scissor-shaped cutter 84 installed on the upper surface of the upper guide plate 82 of the guide member Gu will be described.

After the suction mouth 51a of the suction tube lever 51 has sucked the spun yarn Y 1 wound in the package b and before rotating the suction tube lever 51 upward, the state of tilting backward as shown in FIG. The guide lever 80 of the guide member Gu in FIG.

After that, the reversing roller 70 installed at the tip of the swing lever 72 is driven to rewind the spun yarn Y from the package b, and the suction tube lever 51 is rotated upward, so that FIG. As shown in FIG. 3, the spun yarn Y inserted and held in the slit 52 of the suction mouth 51a is inserted into the slits 82a and 83a of the upper guide plate 82 and the lower guide plate 83 of the guide member Gu. With the spun yarn Y inserted in the slits 82a, 83a of the upper guide plate 82 and the lower guide plate 83 of the guide member Gu, the upward rotation of the suction tube lever 51 is temporarily stopped and the reverse rotation roller 70 is also stopped. Let

Next, with the cylinder rod 98b of the cylinder 98 being pushed out, that is, with the jacket j moving to the right in FIG. 14, the jacket j of the transfer arm member Ta is moved clockwise to the segment gear 93. When it is rotated to the right, the gear 94 engaged with the segment gear 93 is rotated to move the accelerator wire member v downward, so that the yarn finger 103 moves the yarn finger 103 to the upper guide inner plate 82 and the lower guide of the guide member Gu. The plate 83 is arranged substantially in the middle of the side.

Next, by retracting the cylinder rod 98b of the cylinder 98 and moving the jacket j leftward in FIG. 14, as shown in FIG. 12, the yarn finger 103 is moved to the upper guide plate of the guide member Gu. 82 and the lower guide plate 83, and introduces the spun yarn Y held in the slits 82a and 83a of the upper guide plate 82 and the lower guide plate 83 of the guide member Gu into the slit 105 of the yarn finger 103. To do. At this time, as described above, the movable yarn feeding roller 109 is separated from the yarn feeding roller 108. Therefore, the spun yarn Y introduced into the slit 105 of the yarn finger 103 is fed to the yarn feeding roller 108 and the movable yarn feeding roller 109. It will be located between the rollers 109.

Next, by operating the cylinder 111 and pushing out the cylinder rod 111a, the rotating frame 110 is rotated clockwise around the shaft 104a in FIG. 15, and is installed on the rotating frame 110. The movable yarn feed roller 109 is brought into contact with the yarn feed roller 108 attached to the rotary shaft 107, and the spun yarn Y is gripped by the yarn feed roller 108 and the movable yarn feed roller 109. After the spun yarn Y is gripped by the yarn feeding roller 108 and the movable yarn feeding roller 109, the movable blade 84b installed on the upper surface of the upper guide plate 82 is actuated by the air cylinder 84c to rotate the scissor shaped scissors. The spun yarn Y is cut by the cutter 84. After the spun yarn Y is cut, the guide member Gu is returned to the original tilted standby position as shown in FIG. The cut spun yarn Y on the side of the suction mouse 51a is sucked and removed by the suction mouse 51a. Then, the suction lever 51 returns to the standby position as shown in FIG.

Next, the yarn finger 103 holding the spun yarn Y by the yarn feeding roller 108 and the movable yarn feeding roller 109 is rotated about the rotary shaft 107 by operating the cylinder 112, and is shown in FIG. It is rotated in a substantially vertical state as described above. After that, the segment gear 93 is rotated counterclockwise in FIG. 13 to rotate the gear 94 engaged with the segment gear 93 to move the accelerator wire member v upward, so that the yarn finger 103 moves the yarn finger 103 to the nozzle of the spinning portion Sp. The spindle member S, which is separated from the member N, is approached below. While the accelerator wire member v is being moved upward, the reverse rotation roller 70 is rotationally driven again to bring the yarn finger 103 closer to the lower side of the spindle member S separated from the nozzle member N of the spinning section Sp. For this purpose, the spun yarn Y is rewound from the package b as much as necessary. It should be noted that the cylinder 98 shown in FIG. 13 is actuated to move the jacket j to the right when the yarn finger 103 is moved upward to approach the lower side of the spindle member S or after the yarn finger 103 is moved closer to the lower side of the spindle member S. It is preferable that the spun yarn Y is traversed by one reciprocal movement by moving the spun yarn Y once again to the left side and then the spun yarn Y is inserted between the nip roller Rn separated from the delivery roller Rd. . Of course, another moving guide may be provided to insert the spun yarn Y between the delivery roller Rd and the nip roller Rn.

Next, FIG. 4, FIG. 17 which is a side view of the air sucker member As, FIG. 18 which is a bottom view of the air sucker body x, and FIG. 19 which is a cross section taken along the line I-I of FIG. 18 of the air sucker body x. The air sucker member As will be described with reference to. As shown in FIG. 4, one end of the lever 120 of the air sucker member As is pivotally attached to a column 121 installed on the frame a2 of the piecing device P, and the piecing device is also provided approximately in the middle of the lever 120. A cylinder rod 122a of a cylinder 122, which is swingably attached to a frame a2 of P, is pivotally attached. By pushing out the cylinder rod 122a, the lever 120 is moved to a standby position shown by a chain double-dashed line in FIG. It is arranged such that it can be rotated from the position to the operating position shown by the solid line.

Reference numeral 123 is a cylinder attached to the free end of the lever 120 in a direction substantially orthogonal to the lever 120, and the air sucker main body x is attached to the tip end portion of the cylinder rod 123a of the cylinder 123. With the cylinder rod 122a of the cylinder 122 pushed out to rotate the lever 120 from the standby position shown by the two-dot chain line in FIG. 17 to the operating position shown by the solid line, the cylinder rod 123a of the cylinder 123 is moved. When pushed out, first, a slidable nozzle 129 of the air sucker main body x, which will be described later, is placed at a position where it can be fitted to the tip end portion 2 of the hollow spindle s above the spindle member S separated from the nozzle member N of the spinning portion Sp. Will be placed. Then, when the cylinder rod 123a of the cylinder 123 is retracted by a predetermined amount, the center of the defibrating tube 134 of the air sucker main body x, which will be described later, is configured to have a distance that can be arbitrarily set with the center of the hollow spindle s.

Next, the air sucker main body x will be described mainly with reference to FIGS. 18 and 19. Reference numeral 124 denotes a frame body of the air sucker main body x attached to the tip end portion of the cylinder rod 123a of the cylinder 123. A hollow cylindrical body 125 is attached to the frame body 124, and is provided on the outer periphery of the cylindrical body 125. O-rings 127a, 127b, 127c are inserted in the circumferential grooves 126a, 126b, 126c. Reference numeral 128 is a cylindrical cover of the cylindrical body 125, and a through hole 128a is formed in the cylindrical cover 128. An O-ring 127d is inserted between the circumferential groove 126d provided on the inner circumference of the cylindrical body 125 and the small diameter portion 128b provided on the outer circumference of the cylindrical cover 128. Reference numeral 129 is a slidable nozzle arranged in the hollow cylindrical body 125, and a hole 129b is formed in a cylindrical side wall 129a of the slidable nozzle 129. Further, 129c and 129d are ring members projecting from the cylindrical outer wall 129a so as to be orthogonal to the cylindrical outer wall 129a, and are arranged so as to be close to the inner wall of the hollow cylindrical body 125, and the ring member 129c, A member having an appropriate coefficient of friction (not shown) is inserted in the space between 129d and the cylindrical body 125 so that the slidable nozzle 129 does not easily move due to tilting of the air sucker body x. It Incidentally, such a space can be appropriately provided in the cylindrical cover 128 and the like as shown by 128c in FIG. 19, and a member having an appropriate friction coefficient can be inserted therein. The outer wall of the slidable nozzle 129 is composed of a cylindrical outer wall 129a, a conical outer wall 129e, and a cylindrical outer wall 129f having a diameter smaller than that of the cylindrical outer wall 129a. It is inserted into the through hole 128a so as not to contact the inner wall of the hole 128a.

Reference numeral 130 denotes a substantially conical inner nozzle having a threading hole 130 a provided in the slidable nozzle 129. The inner wall of the inner nozzle 130 is parallel to the axis of the inner nozzle 130. An appropriate number of fins 130b are provided. Reference numeral 131 denotes a cylindrical cover attached to the sliding nozzle 129, and the cylindrical cover 131 has a through hole 131a. An O-ring 127e is inserted between a peripheral groove 129g provided on the inner circumference of the sliding nozzle 129 and a small diameter portion 131b provided on the outer circumference of the cylindrical cover 131.

Reference numerals 132 and 133 denote air supply pipes attached to the frame body 124 so as to face the holes 125 a and 125 b formed in the hollow cylindrical body 125. The air supply pipes 132 and 133 are formed in the hollow cylindrical body 125. The hole 125a is formed so as to face a space 129h formed by the ring member 129d protruding from the cylindrical outer wall 129a of the slidable nozzle 129 and the edge 125c of the cylindrical body 125. ing.

Reference numeral 134 denotes a defibrating tube, one end 134 a of the defibrating tube 134 projects from the frame body 124, and is inclined near the other end of the defibrating tube 134 toward the protruding end 134 a of the defibrating tube 134. A hole 134b is formed. Reference numeral 135 denotes an intermediate cylindrical body that is fitted between the defibration tube 134 and the frame body 124 and that has a recess 135a and a hole 135b that is capable of communicating with the hole 134b formed in the defibration tube 134 in the periphery. Reference numeral 136 is an air supply pipe. In addition, another hole 135b, which can communicate with the hole 134b formed in the defibration tube 134, is formed in the intermediate cylindrical body 135 at an angle of 90 °, and the defibration tube 134 is rotated by 90 °. By doing so, it is preferable to switch the swirling direction of the swirling airflow generated in the defibrating tube 134.

The slidable nozzle 129 of the air sucker main body x having the above-mentioned configuration is normally housed in the hollow cylindrical body 125. However, the slidable nozzle 129 of the air sucker main body x is formed by the spinning portion Sp. When the compressed air is supplied to the air supply pipe 133, when the hollow spindle s above the spindle member S 1 separated from the nozzle member N is arranged in a position where it can be fitted, Compressed air is sent into the space formed between the hollow cylindrical body 125 and the hollow cylindrical body 125, and the compressed air presses the ring member 129c protruding from the cylindrical outer wall 129a of the slidable nozzle 129 to move the slidable nozzle 129. 19 is moved to the left in FIG. 19, the cylindrical cover 131 attached to the sliding nozzle 129 is projected from the hollow cylindrical body 125, and the cylindrical cover 131 The distal end portion 2 of the hollow spindle s can be fitted into the through hole 131a of the above, and the inertial rotation of the hollow spindle s can be stopped by this fitting.

The compressed air supplied from the air supply pipe 133 causes the cylindrical cover 131 to project from the hollow cylindrical body 125, and also through the hole 129 b formed in the cylindrical side wall 129 a of the sliding nozzle 129 to move the sliding nozzle. 129 and the internal nozzle 130 enter the space between them and are discharged from the through hole 128a formed in the cylindrical cover 128, so that a suction air flow is generated in the threading hole 130a of the internal nozzle 130. become. The fins 130b provided on the outer wall of the inner nozzle 130 prevent the air flowing in the space formed between the slidable nozzle 129 and the inner nozzle 130 from becoming a swirling air flow. . When the sucked air flow becomes a swirling air flow, after the yarn is introduced, the spun yarn Y that is defibrated by the defibrating tube 134 in the next step cannot be kept in a more natural state, and the yarn passing hole 130a is Trouble that the inserted spun yarn Y is untwisted and cut by the swirling air flow will occur.

As described above, the yarn feed of the yarn finger 103, which holds the spun yarn Y and is arranged close to the lower part of the spindle member S, in a state where the suction airflow is generated in the yarn passing hole 130a of the internal nozzle 130. When the spun yarn Y is sent out by rotating the roller 108, the spun yarn Y is inserted into the hollow passage 4 of the hollow spindle s by the above-mentioned suction air flow. When the yarn feeding roller 108 of the yarn finger 103 is rotated to feed the spun yarn Y, the reverse rotation roller 70 is driven again to rewind the spun yarn Y from the package b by a required length.

When the spun yarn Y comes out from the tip end portion 2 of the hollow spindle s by a predetermined length necessary for yarn joining, the rotation of the yarn feeding roller 108 of the yarn finger 103 is stopped to stop the spun yarn Y from being fed and The supply of compressed air to the air supply pipe 133 attached to the cylindrical body 125 is stopped, and the compressed air is supplied to the air supply pipe 132. When the rotation of the yarn feeding roller 108 of the yarn finger 103 is stopped, the driving of the reverse rotation roller 70 is also stopped. The compressed air supplied to the air supply pipe 132 enters the space 129h formed by the ring member 129d and the edge portion 125c of the cylindrical body 125, presses the ring member 129d, and moves the sliding nozzle 129 to the right in FIG. Then, the cylindrical cover 131 attached to the sliding nozzle 129 is housed in the cylindrical body 125.

Next, the spun yarn Y 1 is passed through the hollow passage 4 through the cylinder rod 123 a of the cylinder 123 of the air sucker member As, the center of the disentanglement tube 134 of the air sucker body x, and the spun yarn Y is passed from the tip portion 2. The hollow spindle s protruding by a predetermined length is withdrawn from the center of the hollow spindle s until an arbitrary set distance is reached. Next, compressed air is sent from the air supply pipe 136 through the recess 135a of the intermediate cylindrical body 135 to the hole 134b formed in the defibration pipe 134, so that the spun yarn Y is twisted in the opposite direction to the defibration pipe 134. A swirling airflow in the direction is generated to untwist the tip of the spun yarn Y, which extends from the tip 2 of the hollow spindle s for a predetermined length, to form a spear-shaped tip in which the fiber is defibrated. At the stage where the fiber-disentangled tip end is formed, the supply of compressed air from the air supply pipe 136 is stopped, the cylinder rod 123a of the cylinder 123 is retracted, and the cylinder rod 122a of the linder 122 is also retracted. The member As is moved to the standby position shown by the chain double-dashed line in FIG.

Then, the cylinder Cs is operated to retract the rod r and join the spindle member S to the nozzle member N as shown in FIG. Also at this time, the yarn feeding roller 108 of the yarn finger 103 is rotated so that the length of the disentangled tip-shaped tip portion protruding from the tip portion of the hollow spindle s can be maintained, and the spun yarn is spun. Y is sent out and the reverse rotation roller 70 is rotationally driven to rewind the spun yarn Y from the package b as much as necessary. Thereafter, the movable feed roller 109 is separated from the yarn feed roller 108 and the jacket j is moved rightward in FIG. 14 to pull out the spun yarn Y inserted from the slit 105 of the yarn finger 103, and then the segment gear By rotating 93 in the clockwise direction, the gear 94 engaged with the segment gear 93 is rotated, the accelerator wire member v is moved downward to return to the standby position, and the reverse rotation roller 70 is retracted to the standby position. Further, the shoe lever 61 is rotated clockwise about the fixed shaft 62 to separate the shoe 61a from the shoe 42a of the package positioning lever 42, and the package b is brought into contact with the friction roller d again.

From this state, the hollow spindle s is acclimated to rotate at a low speed, the electromagnetic clutch Ch of the back roller Rb is connected, the draft device D is started, and the supply of the sliver L 1 is started. After the supply of the sliver L is started, the hollow spindle s is fully rotated after a predetermined time, and compressed air is ejected from the air injection hole 3 of the nozzle n to generate a high-speed swirling air flow to start spinning. Simultaneously with the start of spinning, the nip roller Rn separated from the delivery roller Rd is brought into contact with the delivery roller Rd, and the friction roller d is rotationally driven to start winding the spun yarn Y, thereby unwinding the spun yarn Y. The newly supplied fibers are connected to the refined yarn ends to form a continuous yarn, which is spun.

Finally, with reference to FIGS. 20 to 25, the nozzle member N, the spindle member S, the cylinder Cs, and the air sucker member As, which is a main member of the piecing device P, which constitute the spinning portion Sp, are the main members. Only the operation sequence of Ta will be outlined. The suction of the spun yarn Y wound in the package b, the guide of the unwound spun yarn Y, the driving of the reverse rotation roller 70, and the like have been described above, and thus omitted.

FIG. 20 shows a state where the spun yarn Y is normally spun with the nozzle member N and the spindle member S forming the spinning portion Sp joined together.

When the yarn breakage occurs, the cylinder Cs is operated to separate the spindle member S from the nozzle member N and air is blown to the nozzle member N for cleaning (FIG. 21).

Next, the air sucker member As is operated to dispose the sliding nozzle 129 of the air sucker member As above the hollow spindle s of the spindle member S. After that, the transfer arm member Ta holding the spun yarn Y unwound from the package b is arranged close to the lower part of the spindle member S, and the transfer arm member As is sucked by the sliding nozzle 129 of the air sucker member As. The spun yarn Y grasped and delivered by Ta is inserted into the hollow spindle s (FIG. 22).

The spun yarn Y, which is inserted into the hollow spindle s and pulled out from the tip of the hollow spindle s by a predetermined length, is inserted into the defibration tube 134 of the air sucker member As by lowering the air sucker member As. The tip of the spun yarn Y is defibrated to form a tip shape (FIGS. 23 and 24).

As shown in FIG. 24, the spindle member S in a state in which the spun yarn Y formed in the shape of a spike by being disentangled from the tip end portion of the hollow spindle s is operating the nozzle C by operating the cylinder Cs. And the driving of the spinning machine is restarted (Fig. 25).

The effects of the above-described embodiments of the present invention will be listed below. The spinning part is divided into a nozzle member and a spindle member so that they can be brought into and out of contact with each other, and by means of members such as an air sucker member or a transfer arm member, the sliver supplied to the spinning part, which has been conventionally difficult, is jetted by air to the hollow spindle tip. It is possible to automate the splicing of a spinning machine that forms spun yarn while spreading the fibers around the outer circumference of the part and twisting the fibers.

When resuming the spinning interruption such as when the yarn breaks or when the supply sliver is replaced, the inside of the nozzle member and the like can be cleaned in advance to prepare the yarn splicing, so that the spinning can be restarted quickly. .

Since the spinning portion is divided into the nozzle member and the spindle member and is configured to be freely contactable and separable, it is possible to easily thread the hollow spindle and to clean the spinning portion such as the nozzle member completely and quickly. You can

After the spindle member of the spinning section is separated from the nozzle member, the nozzle member is used to eject the air from the front roller of the draft device and eject the air to the front roller or the nozzle. It is possible to completely and quickly clean the area around the nozzle, including the front roller. Further, the nozzle casing and the like can be completely cleaned by air-injecting air from the air ejection holes for twisting the fibers.

When the spun yarn wound in the package is drawn out and moved upward by the suction tube, the guide member having the inner plate and the like is provided, so that the spun yarn can be handled and controlled thereafter such as delivery of the spun yarn. It can be done reliably and quickly.

Since the cutting device for the spun yarn is arranged on the upper guide plate of the guide member, the cut end of the spun yarn held by the yarn finger of the transfer arm member can be shortened, so that the spun yarn is transferred. It is possible to prevent the members of the spinning machine from being contacted or entangled in the middle of the process.

Since the yarn finger of the transfer arm member for gripping and feeding the spun yarn is driven and controlled via the accelerator wire member, the spun yarn can be fed or moved accurately and the piecing can be performed. The device can be made compact.

Since the yarn fingers configured to drive and control the pair of thread feed rollers which can be freely contacted and separated by the accelerator wire are provided, it is possible to accurately control the feed amount of the spun yarn inserted into the spindle member. Therefore, yarn splicing can be performed reliably and quickly.

Since the yarn fingers of the transfer arm member are configured to be driven and controlled via the accelerator wire member, the position of the yarn finger can be freely adjusted by transmitting the accelerator wire of the accelerator wire member and the curvature of the arm can be adjusted. The error can be easily absorbed.

Since the inserting action of the spun yarn into the spindle member and the defibrating action of the spun yarn are performed separately, and are continuously performed by the movement of the cylinder rod, the respective actions are surely performed. In addition, the yarn splicing work can be speeded up.

Since the fins are provided on the outer wall of the inner nozzle of the air sucker member, it is possible to reliably prevent the air flowing in the space formed between the slidable nozzle and the inner nozzle from becoming a swirling air flow, and thus the defibration is performed. It is possible to maintain the spun yarn in a more natural state and prevent troubles such as untwisting and cutting of the sucked spun yarn.

Since the suction tube for inserting the spun yarn into the spindle member is configured to be slidable and to be fitted in contact with the hollow spindle of the spindle member, the spun yarn to the hollow spindle can be Insertion can be performed reliably, and inertial rotation of the hollow spindle can be stopped quickly, and the yarn splicing time can be shortened.

Since the nip roller that constitutes the spun yarn delivery member is configured to come into contact with and separate from the delivery roller, it is possible to easily control the timing at which the spun yarn is delivered when spinning is restarted.

Since the nozzle casing is connected to the suction pipe, harmful floating fibers generated in the nozzle casing during spinning can be removed and the air ejected from the air ejection holes of the nozzle can be effectively discharged. Therefore, it is possible to prevent the generation of an air flow harmful to the yarn formation.

Since the spun yarn sucked by the suction mouse is configured to be delivered and transferred to the yarn finger for mechanically gripping, the spun yarn may come off during the transfer as compared to the case where the suction mouse transfers the spun yarn upward. In addition, the suction force of the suction mouse can be weakened to save energy.

[0089]

[Effect of device]

 Since the present invention is configured as described above, it has the following effects. When resuming spinning interruption such as when the yarn breaks or when the supply sliver is replaced, the inside of the nozzle member and the like can be cleaned in advance and yarn splicing preparation can be performed, so that spinning can be restarted quickly.

Since the spinning part is divided into the nozzle member and the spindle member so that they can be brought into and out of contact with each other, threading into the hollow spindle is facilitated and the spinning part such as the nozzle member can be completely and quickly cleaned. You can

[Brief description of drawings]

FIG. 1 is a side view including a partial cross section of a spinning unit and a draft device.

FIG. 2 is a partially enlarged sectional view of a spindle member and a nozzle member.

FIG. 3 is a front view showing the entire spinning machine and piecing device.

FIG. 4 is a schematic side view of a spinning unit and a piecing device.

FIG. 5 is a schematic front view of a spinning unit and a piecing device.

FIG. 6 is a side view of the spinning unit including a partial cross section.

[Fig. 7] Fig. 7 is a bottom view of a spinning unit of two adjacent weights.

FIG. 8 is a side view of a spun yarn delivery member.

FIG. 9 is a schematic side view of a package pushing member and a winding unit.

FIG. 10 is a perspective view showing a suction operation of a suction member.

FIG. 11 is a schematic side view of a package positioning member and a winding unit.

FIG. 12 is a perspective view showing a transfer arm member, a guide member, and a suction mouse.

FIG. 13 is a perspective view of a transfer arm member.

FIG. 14 is a front view of a transfer arm member including a partial cross section.

FIG. 15 is a front view including an internal cross section of a yarn finger.

FIG. 16 is a perspective view showing a yarn finger and a guide member.

FIG. 17 is a side view of the air sucker member.

FIG. 18 is a bottom view of the air sucker body.

FIG. 19 is a cross-sectional view of the air sucker body taken along the line I-I of FIG. 18.

FIG. 20 is a side view showing an operation sequence of a nozzle member, a spindle member, an air sucker member, a transfer arm member, and the like.

FIG. 21 is a side view showing the order of operations of the nozzle member, the spindle member, the air sucker member, the transfer arm member and the like.

FIG. 22 is a side view for similarly showing the operation sequence of the nozzle member, the spindle member, the air sucker member, the transfer arm member, and the like.

FIG. 23 is a side view for similarly showing the operation sequence of the nozzle member, the spindle member, the air sucker member, the transfer arm member, and the like.

FIG. 24 is a side view showing the order of operations of the nozzle member, the spindle member, the air sucker member, the transfer arm member and the like.

FIG. 25 is a side view showing the order of operations of the nozzle member, the spindle member, the air sucker member, the transfer arm member and the like.

[Explanation of symbols]

 Sp Spinning unit N Nozzle member S Spindle member Rn Nip roller P Pcing device As Air sucker member Gu Guide member J Package pushing member Su Suction member Ta Transfer arm member Rw Package reversing member

Claims (1)

[Scope of utility model registration request] 1. A piecing apparatus for a spinning machine using a swirling air flow, characterized in that a spindle member of a spinning section composed of a nozzle member and a spindle member can be brought into and out of contact with the nozzle member.