JPH0362807B2 - - Google Patents

Description

Detailed Description of the Invention Field of Industrial Application This invention relates to a roving conveying device for preventing the roving ends of the roving bobbin from unraveling when the roving bobbin doffed from a roving frame is conveyed. This invention relates to a yarn end unwinding prevention device.

Conventional technology In order to automate the work of transporting the roving bobbin doffed from the roving frame to the spinning frame, a conveyance rail is provided between the roving frame position and the spinning frame position, and a bobbin carriage is installed on the conveyance rail. The roving bobbin is movably supported, the roving bobbin doffed from the roving frame is suspended from a large number of bobbin hangers of the bobbin carriage, and the roving bobbin is conveyed to the spinning frame position in this suspended state. A yarn conveying device has been developed. Furthermore, in order to load the roving bobbin transported to the spinning machine position onto the spinning creel, a sash exchanger has been developed which automatically exchanges the roving bobbin with an empty bobbin on the spinning creel.

Problems to be Solved by the Invention When the roving bobbin is transported by the above-mentioned roving transport device, or when the roving exchanger loads the roving bobbin onto the spinning creel, the roving doffed from the roving frame is Because the roving end of the thread bobbin is not sufficiently attached to the roving winding section, the roving end may be damaged during the transportation of the roving bobbin or during subsequent handling of the roving bobbin, for example, when changing the thread in a spinning machine. The roving threads on the roving bobbin unravel one after another due to the weight of the roving threads in the sagging part, and the roving threads on the roving bobbin There were problems in that the rovings were wasted or the unwound rovings were scattered around, causing various troubles.

Means for Solving the Problems In order to solve the above problems, the present invention includes a bobbin carriage movably supported on a conveyor rail, a feeding device for moving the bobbin carriage, and a bobbin carriage for moving the bobbin carriage. In a roving transport device in which roving bobbins doffed from a roving machine are suspended and moved from a large number of bobbin hangers, the outer circumferential surface of the roving winding portion of the roving bobbin is placed near the side of the roving bobbin transfer passage. The present invention is characterized in that it is equipped with a presser device which is configured to press the yarn, and a bobbin rotation device which is configured to maintain the presser posture by the presser device and rotate the roving bobbin in the roving winding direction when it is in operation. .

Operation: The roving bobbin doffed from the roving frame is suspended from the bobbin hanger of the bobbin carriage, and in this state, the bobbin carriage is moved from the roving frame position to the fine frame position by the feeding device. In the middle of the transfer path of the roving bobbin suspended from the bobbin carriage, the outer peripheral surface of the roving winding part of the roving bobbin is pressed down by a presser device, and in this pressed state, the roving bobbin is moved to the bobbin rotating device. Therefore, it is rotated in the roving winding direction. As a result, the roving end of the roving hobbin is pressed against the roving winding portion and is securely attached to the roving winding portion.

Embodiment FIGS. 1 to 7 show a first embodiment, in which the roving bobbin 1 is moved intermittently. In FIG. 2, numeral 2 denotes a spinning frame installed in the factory, and numeral 3 denotes a spinning frame, each of which is installed in plurality depending on the production volume. Reference numeral 4 denotes a simultaneous doffing machine for doffing the roving bobbin 1 wound up by the roving frame 2, and as shown in FIG. It is constructed so that all the roving bobbins 1 of the roving frame 2 are doffed at the same time. This simultaneous doffing machine 4 is, for example, published in Japanese Patent Application Laid-Open No. 57-106729.
No. 4,369,621, British Patent No. 2,089,379, and West German Patent No. 3,146,040. The explanation will be omitted.

Next, 6 is a roving transport device for transporting the roving bobbin 1 doffed by the simultaneous doffing machine 4 to the roving frame 3, and is constructed as follows. First, reference numeral 7 denotes a transport rail that is installed at a high place between the roving frame installation position 2A and the spinning frame installation position 3A. It is composed of branch rails 8 and a main rail 9 that connects the branch rails 8, and these rails 8 and 9 are supported by brackets fixed to the machine base or ceiling. . As shown in FIGS. 3 and 4, there are a plurality of transport bodies 10 on the transport rail 7.
A bobbin carriage 11 consisting of a bobbin carriage 11 is movably suspended along a conveyor rail 7. Said transport body 1
0, 12 is a carriage bar, and a support rod 14 having a shaft support 13 at the upper end is fixed to the upper surface, and wheels 15 rotatably supported on both sides of the shaft support 13 are attached to the support surface of the transport rail 7. is placed on top. Further, bobbin hangers 16 are attached to the lower surface of the carriage bar 12 in a line at every predetermined pitch P in the longitudinal direction.
2 has a mounting pitch P for the bobbin hanger 16.
Index pins 17 are fixed so as to protrude from both edges of the carriage bar 12 at intervals of twice the pitch.
A plurality of the transfer bodies 10 are bendable by connecting bars 18 and connection pins 19, and are connected so that the pitch between the bobbin hangers 16 of both the transfer bodies 10 is equal to the pitch P. The mounting pitch P of the bobbin hanger 16 is generally set to be twice the spindle pitch of the spinning machine 3. Next, 20 is a bobbin inserting device for mounting the roving bobbin 1 doffed by the simultaneous doffing machine 4 to each bobbin hanger 16 of the bobbin carriage 11, and is installed near one end of the peg conveyor 5. It is composed of a transfer device 21 and a lifting device 22 that are installed. The transfer device 21 is supported by a pair of arms 23 which are rotatably mounted on a machine frame 21a by a predetermined amount and by cylinders 24 at the tips of these arms 23 so as to be movable up and down, and by a cylinder (not shown). After the upper end of the roving bobbin 1 attached to the peg 5a of the peg conveyor 5 is gripped by these gripping claws 25 and removed, Lifting device 22
It is designed to be inserted into a peg 28, which will be described later. The lifting device 22 has two bobbins: a lifter 27 that is guided to be able to rise and fall by a guide rod 26 fixed to the machine frame 22a, and a bobbin carriage 11 that is placed on the lifter 27 and guided by the transport rail 7. It is composed of a hanger 16 and a pair of pegs 28 protruding to face each other, and the roving bobbin 1 attached to the pegs 28 is raised to attach the upper end of the roving bobbin 1 to the bobbin hanger 16. It's getting old. The bobbin insertion device 20
may be the one shown in, for example, Japanese Unexamined Patent Publication No. 58-41919, and detailed explanation thereof will be omitted here.

Next, 29 is an intermittent feeding device illustrated as a feeding device. In this intermittent feeding device 29, 3
As shown in FIGS. 4 and 5, reference numeral 0 designates a hollow main body that is fixed to the transport rail 7 via a bracket 31, and a drive shaft 32 is attached to the main body 30 at the center of the side surface.
It is rotatably supported while penetrating through it. A chain wheel 33 is attached to the center of the drive shaft 32.
is fixed, and this chain wheel 33 is attached to the main body 3.
Brake motor 34 with reducer attached to 0
Chain wheel 35 and chain 36 by
It is designed so that it can be rotated in one direction via the . Cranks 37, 37 are fixed to both ends of the drive shaft 32 so that the mounting directions are 180 degrees different from each other, and a roller 3 is attached to the tips of these cranks 37, 37.
8 and 38 are rotatably attached. On both sides of the main body 30, cross sliders 39, 39 are supported by two pairs of upper and lower guide rollers 40, 40 so as to be able to reciprocate in the longitudinal direction of the transport rail 7. The rollers 38, 38 on the cranks 37, 37 are fitted into the grooves 39a, 39a, and the cross sliders 39, 39 are moved toward each other with a stroke twice the mounting pitch P of the bobbin hanger 16 every half rotation of the drive shaft 32. It is designed to be moved in the opposite direction. Limit switches 41, 41 are attached to the main body 30 to detect the stroke end of the cross sliders 39, 39, and these limit switches 41, 41
The brake motor 34 with reduction gear is electrically connected so as to suddenly stop in response to the command. Locking arms 42, 42 are pivotally attached to the cross sliders 39, 39 so as to be able to swing up and down, and these locking arms 42,
Engagement grooves 42a, 42a for engaging and disengaging the index pin 17 of the bobbin carriage 11 are formed at the tip of the bobbin carriage 11. The locking arms 42, 42 are arranged by cylinders 43, 43 interposed between them and the main body 30 so that the engaging grooves 42a, 42 engage with the index pin 17 at the backward movement ends of the cross sliders 39, 39. The engagement grooves 42a, 42a are disengaged from the index pin 17 at the forward end of the cross sliders 39, 39. Note that the locking arm 4
2 and 42, the bobbin carriage 11 is connected to the transport rail 7
When continuously moved by the feeding device installed at intervals shorter than the length of the bobbin carriage 11 in the middle of the bobbin carriage 11, for example, the feeding device shown in the second embodiment, the bobbin carriage 11 is moved to a detached position where it does not interfere with the index pin 17. It is designed to hold its position. Cross slider 3 above
9 and 39 may be reciprocated by cylinders, and solenoids may be used in place of the cylinders 43 and 43.

Reference numeral 44 denotes a posture maintaining device disposed in the middle of the transport path of the roving bobbin 1 by the bobbin carriage 11, and in the drawing, for the sake of explanation, the bobbin inserting device 2 is not shown.
Although the roving bobbin 1 is placed at the second stop station in the transport direction from the station of the bobbin hanger 16 where the roving bobbin 1 is inserted by the roving bobbin 1, it is preferably placed at the first stop station. . In this posture maintaining device 44, reference numeral 45 denotes a regulating plate fixed to a bracket 200 fixed to the transport rail 7 by means of a mounting screw 46, and a regulating plate 45 is fixed to the bracket 200 fixed to the transport rail 7, and is fixed to the transport passage of the roving bobbin 1 of the bobbin carriage 11. It is located so that it faces you. The regulation plate 45
As shown in FIG. 7, there is a guide section that guides the roving winding section 1a of the roving bobbin 1 conveyed by the bobbin carriage 11 and tilts the roving bobbin 1 toward the other side of the transfer path. 46 is formed.
Further, the regulating plate 45 has a positioning recess 47 into which the roving winding portion 1a of the coarse plate bobbin 1 is fitted under its own weight when the bobbin carriage 11 is intermittently stopped.
is formed to prevent the swinging movement of the roving bobbin 1 which has been stopped intermittently. The positioning recess 47 is formed in an arc shape with a diameter that is approximately the same as or larger than the diameter of the roving winding portion 1a, and
The presser device 4 of the present invention is formed so that the axis of the positioning recess 47 is substantially parallel to the axis of the roving bobbin.
When the roving bobbin 1 is fitted into the positioning recess 47, the outer peripheral surface of the roving winding portion 1a of the roving bobbin 1 is moved into the positioning recess 4 by the weight of the roving bobbin 1.
It is pressed against the inner surface of 7. The posture maintaining device 44 may be formed of a guide rod that guides the lower end of the roving bobbin 1 and a positioning recess provided in the guide rod.
may be constituted by a holding member provided on the transport rail 7 separately from the posture maintaining device.

49 is a bobbin rotating device configured to rotate the roving bobbin 1 whose posture is maintained by the posture maintaining device 44 in the roving winding direction;
The upper end of the holder is held between both ends and rotated. In this bobbin rotating device 49, 5
0,51 is the bracket 2 as shown in FIG.
There are two sets of bearings fixed to 00. These bearings 50 and 51 are connected to the rotating roller 5
2 and 53 shafts 52a and 53a are rotatably supported. A belt 54 is suspended around the two shafts 53a, 53a on one side, and the shafts 53a, 53a
One shaft 53a of the bracket 200 is rotated in one direction by a drive motor 55 attached to the bracket 200. The rotating rollers 52, 5
The dimensions between the two are set so as to sandwich the upper end of the roving bobbin 1 whose posture is maintained.
Of the pair of shafts 52a and 53a, preferably the driven shaft 52a is supported so as to be movable near and far relative to the driving shaft 53a, and the shaft 52a is supported as the shaft 53a.
The rotating roller 5 is biased toward the a side by a spring.
2 and 53 may elastically hold the roving bobbin 1. One of the rotating rollers 53 is inserted into the window 200a of the bracket 200.
Incidentally, the rotating rollers 52 and 53 may rotate while holding the lower end of the roving bobbin 1.

In the above configuration, when the roving bobbin 1 wound up by the roving frame 2 is transported to the spinning frame 3, the simultaneous doffing machine 4 first doffs the roving from the roving frame 2 onto the pegs 5a of the peg conveyor 5. Then, the roving bobbin 1 on the peg conveyor 5 is moved toward the bobbin insertion device 20, and the first two roving bobbins 1, 1 are moved to a position facing the gripping claws 25, 25 of the transfer device 21. The movement of the peg conveyor 5 is stopped. Next, the gripping claws 25, 25 are attached to the roving bobbins 1, 1.
Grasp the upper end and pull it out from the pegs 5a, 5a, and remove the peg 2 on the lifter 27 of the lifting device 22.
8, 28. On the other hand, in the bobbin carriage 11 supported by the transport rail 7, the first two bobbin hangers 16, 16 are connected to the lifter 27.
It is moved to a position facing the upper pegs 28, 28 and stopped. Next, the lifter 27 is raised to insert the upper ends of the roving bobbins 1, 1 into the bobbin hangers 16, 16 of the bobbin carriage 11. Each time the roving bobbin 1 thereon is taken out by the transfer device 21, the peg conveyor 5 feeds the next two roving bobbins 1, 1 to the take-out position, and the lifter 27 of the lifting device 22 Thread bobbin 1,1
After being inserted into the bobbin hangers 16, 16, it descends again, and when the transfer device 21 transfers the next two roving bobbins 1, 1 from the peg conveyor 5 onto the lifter 27, it rises again. When the lifter 27 inserts the roving bobbins 1, 1 into the bobbin hangers 16, 16 and descends, this is detected by an appropriate detection means, and the brake motor 34 with a reducer of the intermittent feed device 29 is moved to the drive shaft 32. Rotate. This rotation of the drive shaft 32 causes the cranks 37, 3 at both ends to
7 rotates to advance one cross slider 39 and move the other cross slider 39 backward, and when these cross sliders 39, 39 are moved to the front and rear ends, respectively, the limit switch 41,
41 is activated and the brake motor 34 with reducer is activated.
to stop. When one cross slider 39 is moved forward as described above, the locking arm 42 on the cross slider 39 locks the index pin 17 of the bobbin carriage 11 and the bobbin carriage 11
is moved in the transport direction by twice the mounting pitch P of the bobbin hanger 16. When the limit switch 41 is actuated, the locking arm 42 locks into the cylinder 43.
is swung by the engaging groove 42a and the index pin 17.
is disengaged. Further, when the limit switch 41 is actuated, the locking arm 42 on the other cross slider 39 is swung by the cylinder 43, and the engagement groove 42a is engaged with the next index pin 17 of the bobbin carriage 11.

When the bobbin carriage 11 is moved by twice the mounting pitch P as described above, the roving bobbins 1, 1 inserted into the bobbin hangers 16, 16 are also moved in a suspended state, and the roving thread is moved along the way. The intermediate portions of the thread bobbins 1, 1 are moved to one side by the guide portion 46 of the posture maintaining device 44, and the roving bobbins 1, 1 are tilted. Thereafter, the roving winding parts 1a, 1a of those roving bobbins 1, 1 fit into the positioning recess 47 due to their own weight, and as a result, the outer peripheral surfaces of the roving winding parts 1a, 1a of the roving bobbins 1, 1 are pressed down. It is pressed against the inner surface of the positioning recess 47 as the device 48 by its own weight. Furthermore, when the roving bobbins 1, 1 are moved as described above, the upper ends of the roving bobbins 1, 1 are fed between the corresponding pair of rotating rollers 52, 53. These rotating rollers 52, 53 are rotated for a predetermined time by a drive motor 55 after the bobbin carriage 11 has been moved and stopped, and as a result, these rotating rollers 52, 53 wind the roving bobbins 1, 1 with roving. Rotate in the direction of removal. In this case, the roving bobbins 1, 1 are maintained in their posture by the posture maintaining device 44 so as not to sway, and the roving bobbins 1, 1 are kept at the roving winding portions 1a, 1a.
are in pressure contact with the inner surface of the positioning recess 47, so that the roving ends of the roving bobbins 1, 1 do not attach to the roving of the adjacent roving bobbin 1, and the roving winding portions 1a,
It is pressed down by 1a.

The intermittent movement of the bobbin carriage 11 is performed every time the roving bobbins 1, 1 of the bobbin hangers 16, 16 are inserted, and the roving ends of these roving bobbins 1, 1 are moved at the next stop station. Thread winding section 1
The roving ends are pressed down by a and 1a, and the ends of the rovings do not hang down. The last roving bobbin 1, 1 doffed from the roving frame 2 in the above manner is placed in the positioning recess 4.
7 and 47, and when the pressing of the roving ends to the roving winding portions 1a and 1a is completed, the bobbin carriage 11 is transferred to the spinning frame 3 position by a continuous feeding device (not shown). In this case, when the pressing of the roving ends to the roving winding portions 1a, 1a is completed, the bobbin carriage 11 is transferred to the spinning frame 3 position by a continuous feeding device (not shown). In this case, vibrations, air currents in the factory, etc. act on the roving bobbin 1 suspended from the bobbin hanger 16, and the ends of the roving tend to unravel. Since the yarn end is held down by the roving winding part 1a, the unwinding of the roving end is prevented, and this causes yarn breakage in the spinning machine, insufficient roving length, fiber scattering, etc. This problem can be eliminated.

Next, FIGS. 8 to 13 show a second embodiment of the present application, in which the roving ends of the roving bobbin are prevented from unraveling while the bobbin carriage is continuously transferred. . FIGS. 8 and 9 show continuous feeding devices 29e constituting the feeding device, and these continuous feeding devices 29e are respectively attached in the middle of the conveyance rail 7e at intervals shorter than the length of the bobbin carriage 11e. . In this continuous feeding device 29e, reference numeral 60 denotes a support bracket fixed to the conveyance rail 7e, and 61 and 62 denote a pair of support arms pivotally attached to the support bracket 60 via vertical shafts 61a and 62a. , bearings 63, 6 are installed in the middle part.
4 is fixed. 65a and 66a are bearings 6
The roller shaft is rotatably supported by rollers 3 and 64, and feed rollers 65 and 66 are fixed to the lower end thereof. The support arms 61 and 62 are urged inward by a spring 67 stretched between both ends, and when the bobbin carriage 11e is not present, a stopper 68 provided on the support bracket 60,
69. The above-mentioned feed rollers 65 and 66 have the bobbin carriage 11 at that position.
When the bobbin carriage 11e is moved, the carriage bar 12e of the bobbin carriage 11e is elastically clamped from both sides. 70 is one support arm 6
The drive motor fixed to 1 drives the roller shaft 65.
A is rotated in one direction.

FIGS. 10 to 13 show a posture maintaining device 44e, a presser device 48e, and a bobbin rotating device 49e, which are installed on the transport rail 7e near the roving frame position. The posture maintenance device 44e
, 71 is a support fixed to the conveyor rail 7e via an attachment arm 72, and a support body 71 is attached to the roving bobbin 1e.
is located below the transfer passage. 73, 74
are located on both sides of the lower end of the transfer passage of a pair of pulleys rotatably attached to the support body 71. Two sets of these pulleys 73, 74 are arranged at intervals in the conveying direction, and rotating belts 75, 76 are respectively suspended between the pulleys 74, 74 between the two sets of pulleys 73, 73. There is. On the outer periphery sides of these rotary belts 75 and 76, belts are installed in the bobbin carriage 11e so as to enter between the roving bobbins 1e suspended from the bobbin hanger 16 and transferred to maintain the posture of the roving bobbins 1e. Positioning pieces 77, 77 are provided at predetermined pitches. The mounting positions of these positioning pieces 77, 77 are set so that they fit into the front and back of the lower end of each roving bobbin 1e, respectively.
This allows the roving bobbin 1e to be positioned and transferred in a substantially vertical state. Reference numerals 78 and 79 designate drive motors for rotating the rotating belts 75 and 76 in the direction of the arrow at the same speed as the transfer speed of the bobbin carriage 11e, which are fixed to the support 71 and are connected to the pulley 7.
3 and 74 shafts 73a and 74a are rotated. Next, in the presser device 48e, 81
A support plate is fixed to the mounting arms 72, 72, and a plurality of pairs of upper and lower shaft supports 82, 82 are provided at substantially the same distance as the mounting pitch of the bobbin hanger 16. Support rods 83, 83 are slidably fitted into these shaft supports 82, 82, and a press plate 84, which is illustrated as a press member, is fixed to the tips of these support rods 83, 83. This presser plate 84 is urged toward the transfer path by springs 85, 85 interposed between it and the support plate 81, and stoppers 86, 86 fixed to the support rods 83, 83 come into contact with the support plate 81. By touching the roving bobbin 1
It is positioned so as to slightly face into the transfer passage of e. Next, in the bobbin rotation device 49e,
87 is a support frame fixed to the transport rail 7e;
Two sets of bearings 88 and 89 are fixed to the support frame 87 and rotatably support pulley shafts 90a and 91a of pulleys 90 and 91, respectively.
Drive motors 92 and 93 are fixed to the support frame 87 and are configured to rotate the pulley shafts 90a and 91a in the direction of the arrow. The above pulleys 90, 91
Rotating belts 96 and 97 are respectively suspended between them and rotated in the direction of the arrow. 9
Reference numerals 8 and 99 indicate belt guide plates fixed to the conveyor rail 7e. The rotating belt 96,
Reference numeral 97 is disposed so as to grip the upper end of the roving bobbin 1e whose posture is maintained by the posture maintaining device 44e and rotate it in the roving winding direction. The rotating belts 96 and 97 are connected to the roving bobbin 1 only by the other rotating belt instead of a fixed guide on one side.
e may be rotated, or the roving bobbin 1e may be rotated with rotating belts 96, 97 sandwiching the lower end of the roving bobbin 1e.
It should be noted that parts that are considered to have the same or equivalent configuration as those of the above-mentioned embodiments are given the same reference numerals as corresponding parts with the letter e, and redundant explanation will be omitted.

In the above configuration, when all the roving bobbins 1e doffed from the roving frame are inserted into the bobbin hanger 16 of the bobbin carriage 11e at the roving frame position, the drive motor 70 of the continuous feeding device 29e
operates to rotate the feed rollers 65, 66 in the direction of the arrow. As a result, the carriage bar 12e of the bobbin carriage 11e is continuously moved in the transport direction. Before this carriage bar 12e is removed from between the feed rollers 65 and 66 of the continuous feed device 29e, it is transferred to the feed rollers 65 and 6 of the next continuous feed device 29e.
6 and transported one after another. When the bobbin carriage 11e is continuously moved as described above, the lower end of the roving bobbin 1e suspended from the bobbin hanger 16e is rotated in advance by the rotating belt 75 of the posture maintaining device 44e, 76, positioning pieces 77, 7 of rotating belts 75, 76
7, the position is regulated to prevent the roving bobbin 1e from swinging. Further, the roving winding portion 1ae of the roving bobbin 1e comes into contact with the presser plate 84, and
4 is shifted to the side against the springs 85, 85, and the presser plate 84 presses the outer periphery of the roving winding portion 1ae. Further, the upper end of the roving bobbin 1e is connected to the rotating belt 9 of the bobbin rotating device 49e, which is rotated in advance after the lower end of the roving bobbin 1e is maintained in its posture.
6 and 97, and their rotating belt 9
6 and 97, the roving bobbin 1e is rotated in the roving winding direction. In this case, the posture of the roving bobbin 1e is maintained by the posture maintaining device 44e, and since the presser plate 84 is pressed against the outer peripheral surface of the roving winding section 1ae, the roving bobbin 1e is rotated in the roving winding direction. Then, the roving end is reliably wound around the roving winding part 1ae and also securely attached to the roving winding part 1ae. Maintaining the posture of the roving bobbin 1e, the roving winding section 1 is controlled by the presser plate 84.
Since the pressing of ae and the rotation of the roving bobbin 1e are performed during the continuous transfer of the roving bobbin 1e, it is possible to eliminate the need for dedicated time for preventing the roving ends from unraveling. Also,
When the roving bobbin 1e is rotated during movement as described above, each roving bobbin 1e is rotated by the posture maintaining device 44e.
Since the posture is maintained in a nearly vertical image body by
The rovings of the roving bobbin 1e are adjacent to each other.
Also, since the presser plate 84 comes into elastic contact with the outer circumferential surface of the roving winding portion 1ae of each roving bobbin 1e, even if there is some unevenness in the roving winding diameter of the roving bobbin 1e, it will not be rough. The yarn end can be reliably pressed against the roving winding section 1ae. Note that the rotating belts 96 and 97 of the above embodiment may be used in the first embodiment by rotating intermittently in synchronization with the feeding device of the first embodiment.

In the present application, the feeder at the roving machine position of the second embodiment is equipped with a detector for detecting the index pin of the bobbin carriage, and each time the detector detects the index pin, the feeder An intermittent feeding device may be configured to move the bobbin carriage intermittently as in the first embodiment by stopping the drive motor of the bobbin. The device may also be used to maintain the orientation of the roving bobbin. Further, in the presser device of the present application, a presser member is fixedly disposed on the side of the roving bobbin transfer passage, and the lower end of the roving bobbin transferred to that position is guided by a guide member, and the presser member It may be configured such that the outer circumferential surface of the roving winding portion of the roving bobbin is pressed against the pressing member by biasing the roving to the side.

FIG. 14 shows a third embodiment, in which a cylinder 1 is mounted on a bracket 100 fixed to a conveyor rail.
A cylinder body 101a of No. 01 is fixedly attached, a positioning member 102 is provided on the piston rod 101b of the cylinder 101, and a partition piece 102a of the positioning member 102 is made to appear and retract between the roving bobbins 1f which are in an intermittently stopped state. be. In the drawing, 103 is a guide rod fixed to the positioning member 102 and inserted into the hole 100a of the bracket 100. A guide member 104 is fixed to the bracket 100 and surrounds the roving bobbin 1f between it and the base plate 102b of the positioning member 102 to prevent the roving bobbin 1f from wobbling laterally.
The positioning member 102 is moved to the position of the imaginary line when the roving bobbin 102f is transferred. In the present application, the support plate of the presser device shown in FIG. 10 is moved using a cylinder like the positioning member shown in FIG. 14, and the presser plate is pressed against the roving winding portion of the roving bobbin. Also good.

Effects of the Invention As described above, in the present invention, when the roving bobbin is transported in a suspended state, the outer peripheral surface of the roving winding portion of the roving bobbin is held down by the pressing device, and the roving bobbin is moved in that state. Since the roving is rotated in the roving winding direction by the bobbin rotating device, the roving end of the roving bobbin can be pressed against the roving winding section in the roving bobbin transfer process, and the roving bobbin is transferred. It is possible to reliably prevent the unraveling of the roving ends during the middle and post-processes, and prevent troubles associated with the unraveling of the roving ends. Further, since the roving end is unraveled when the roving bobbin is transferred by the bobbin carriage, the roving end can be unraveled using the time during which the roving bobbin is transferred.

[Brief explanation of drawings]

The drawings show an embodiment of the present application, and FIG. 1 is a sectional view showing the presser device, FIG. 2 is a layout of the roving conveyance device, FIG. 3 is a side view of the vicinity of the end of the roving frame, and FIG. The figure is an enlarged sectional view taken along the - line, FIG. 5 is an enlarged sectional view taken along the - line, FIG. 6 is an enlarged view of the arrowed part, FIG. 8 is a sectional view showing a different embodiment of the feeding device, FIG. 9 is a plan view of FIG. 8, and FIG. 10 is a sectional view showing a different embodiment of the presser device.
1 is a side view of FIG. 10, FIG. 12 is a sectional view taken along the line XII--XII, FIG. 13 is a sectional view taken along the - line, and FIG. 14 is a sectional view showing the third embodiment. 1, 1e... roving bobbin, 2... roving frame, 3...
...spinning machine, 6... roving conveyance device, 7, 7e... conveyance rail, 11, 11e... bobbin carriage,
29... Intermittent feeding device (feeding device), 29e...
Continuous feeding device (feeding device), 48, 48e...pressing device, 49, 49e...bobbin rotating device.

Claims (1)

[Scope of Claims] 1. A bobbin carriage movably supported on a conveyor rail, a feeding device for moving the bobbin carriage, and a large number of bobbin hangers of the bobbin carriage are provided with rough doffing from a roving frame. In a roving conveyance device that suspends and moves a yarn bobbin, there is provided a presser device that presses the outer circumferential surface of the roving winding portion of the roving bobbin near the side of the roving bobbin transfer path, and the presser device A roving end unraveling prevention device in a roving conveyance device, characterized in that each bobbin rotating device is arranged to rotate the roving bobbin in a pressing action state in the roving winding direction. 2. The roving conveying device according to claim 1, characterized in that the feeding device is constituted by an intermittent feeding device that moves the bobbin carriage intermittently by n times the bobbin hanger mounting pitch. Yarn end unwinding prevention device. 3. A roving end unraveling prevention device in a roving conveying device according to claim 1, wherein the feeding device is constituted by a continuous feeding device configured to continuously move the bobbin carriage. . 4 A pair of feed rollers with a bobbin carriage bar sandwiched between them are rotatably arranged on the conveyance rail,
2. A roving end unraveling prevention device in a roving conveying device according to claim 1, wherein the feeding device is configured such that the feeding roller is rotated by a drive motor. 5. A patent characterized in that the feeding device is configured such that a transport rail supports a towing vehicle that is self-propelled by the rotational drive of a drive motor, and the bobbin carriage is pulled by the towing vehicle. A roving end unraveling prevention device in a roving conveying device according to claim 1. 6. Claim 2, characterized in that a presser device is configured to press down the outer peripheral surface of the roving winding portion of the roving bobbin by a regulating plate fixedly arranged so as to face the inside of the roving bobbin transfer passage. A roving end unraveling prevention device in the roving conveyance device according to 2. 7. The roving end unraveling prevention device in the roving conveyance device according to claim 6, characterized in that the regulating plate is attached to the conveyance rail so that its position can be freely adjusted. 8. The roving conveyance according to claim 2, characterized in that the presser device is constituted by a presser member disposed so as to be movable in and out of the transfer passage from one side of the transfer passage of the roving bobbin. A roving end unraveling prevention device in a device. 9. Claims characterized in that a presser member is arranged on one side of the roving bobbin transfer path to elastically press against the outer peripheral surface of the roving winding portion of the roving bobbin to constitute a presser device. A roving end unraveling prevention device in the roving conveyance device according to item 1. 10 A bobbin rotation device is constructed by rotatably disposing a rotating roller or a rotating belt on the side of the roving bobbin transfer path, and rotating the roving bobbin by the rotating roller or rotating belt. A roving end unraveling prevention device in a roving conveyance device according to claim 1, characterized in that: