JPH07103498B2 - Spinning machine changer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention is provided on a peg of a transfer device which is arranged below a spindle row of a spinning machine such as a ring spinning machine and a twisting machine in correspondence with a spindle. The present invention relates to a spinning machine changer in which an empty bobbin is prepared in advance and, after the spinning machine stand is completely stopped, the bobbin on the spindle is continuously run from one end of the machine stand along the spindle rail and the empty bobbin on the peg is sequentially replaced. It is a thing.

(Prior Art) A device shown in FIG. 9 is a conventional pipe changer of this type.
-246828. This pipe changer 100 is equipped with a full bobbin removing device 102 for removing one full bobbin F on a spindle 101 and an empty bobbin removing device 105 for removing an empty bobbin E from a peg 104 on a peg conveyor 103.
Behind the full bobbin lifting device 102, the empty bobbin E after being lifted up along with the travel of the pipe changer 100 is moved to the spindle after the full bobbin is pulled out.
An empty bobbin inserting device 106 for inserting one into each 101 is provided,
In addition, the full bobbin F after the empty bobbin pulling-out device 105 is lifted as the pipe changer 100 travels, and the peg after the empty bobbin is pulled out.
A full bobbin inserting device 107 for inserting one into each 104 is provided. Further, a full bobbin transfer device 108 for transferring the full bobbin F pulled out from the spindle 101 to the full bobbin insertion device 107,
An empty bobbin transfer device 109 for transferring the empty bobbin E pulled out from the peg conveyor 103 to the empty bobbin insertion device 106 is provided.

(Problems to be Solved by the Invention) However, in the conventional device, the full bobbin transfer device 10
8 and the empty bobbin transfer device 109 need to be arranged so as to be offset in the width (depth) direction of the machine stand of the pipe changer 100 so that the machine stand width of the pipe changer 100 becomes large. There is a problem that it is difficult to apply it to a spinning machine stand installed at a narrow interval in a factory. Further, in the conventional device, the full bobbin transfer device 108 is provided with a locker plate 111 which is arranged so as to be retractable at a predetermined interval in the middle of the shooter 110 and its passage.
The locking plate 111 is projected into and retracted from the passage of the shooter 110 to sequentially feed the full bobbin F to the full bobbin inserting device 107 while locking the lower end of the full bobbin F. That is, since the full bobbin F slides and moves in the shooter 110 by its own weight, there is no particular problem when the tube replacement speed is relatively slow, but one full bobbin can be pulled out and inserted for one second. There is also a problem in that the timing of inserting the full bobbin onto the peg 104 by the full bobbin inserting device 107 is disturbed when the pipe replacement is performed at high speed as described below. Further, a hopper that constitutes the empty bobbin insertion device 106 from the empty bobbin transfer device 109.
Since delivery to 112 is also performed by free fall of the empty bobbin E, there is a problem that the same trouble occurs when the pipe replacement is performed at high speed.

Configuration of the Invention (Means for Solving the Problems) In order to solve the above problems, according to the present invention, an empty bobbin is provided on a peg of a transfer device which is disposed below a spindle row of a spinning machine and corresponding to a spindle. In advance, after the spinning machine stand is completely stopped, the spinning machine is continuously moved from one end of the machine stand along the spindle rail and the full bobbin on the spindle and the empty bobbin on the peg are sequentially replaced. The full bobbin lifting device for lifting the bobbins one by one and the full bobbin lifted by the full bobbin lifting device are transferred to the lower pegs in a substantially vertical state, so that the full bobbin is received and gripped in a substantially vertical state. A plurality of full bobbin holders at regular intervals, and a first conveyor device that revolves in a plane orthogonal to the spindle rail; and a pipe changer for the first conveyor device. A second conveyor provided in parallel with the conveyor device at the front position in the traveling direction during replacement work and provided with a plurality of empty bobbin gripping tools for gripping the empty bobbin on the peg in a substantially vertical state and moving it upward at regular intervals. Device and an empty bobbin insertion device which is arranged at a rear position in the traveling direction of the pipe changer with respect to the first conveyor device and inserts empty bobbins pulled out from the peg into the spindle one by one. And is arranged so as to circulate in a horizontal direction above the second conveyor device and the empty bobbin insertion device above the full bobbin removing device, and receives the empty bobbin from the second conveyor device and removes the empty bobbin from the empty bobbin. The delivery conveyor device is provided with a plurality of gripping tools to be gripped at regular intervals.

(Operation) In the pipe changer of the present invention, the full bobbin pulled up by the full bobbin lifting device is held by the full bobbin gripping tool provided in the first conveyor device, and is held in a substantially vertical state. It is transferred onto a peg located below the spindle rail and inserted into the peg. That is, since the full bobbins are always transferred while being gripped, all the full bobbins are transferred under the same condition. On the other hand, the empty bobbin on the peg is gripped by the empty bobbin gripping tool mounted on the second conveyor device, lifted up from the peg, and vertically transferred upward, and passed to the gripping tool of the transfer conveyor device. The bobbin is moved laterally to the upper side of the rear empty bobbin inserting device, and the empty bobbin inserting device inserts the full bobbins one by one into the spindle after the bobbin is pulled out.

(Embodiment) An embodiment in which the present invention is embodied in a pipe changer of a spinning machine will be described below with reference to FIGS. The pipe changer 1 is movably supported along the spinning machine base via guide rollers 4 and 5 that engage with the rails 2 and the guide rails 3 fixed to the spinning machine base, and the rails 2 are spaced at predetermined intervals. By the action of the screw roller 7 which engages with the pin 6 projecting from the above, the vehicle travels continuously along the rail 2. That is, the screw roller 7 has a toothed belt 12 wound around a toothed pulley 9 fitted on a drive shaft of a motor 8 and a toothed pulley 11 fitted on a rotation shaft 10 of the screw roller 7.
The pipe changer 1 is made to travel along the rail 2 by being rotated by the rotation of the motor 8 through the gears, and the grooves 7a formed on the peripheral surface of the motor 8 being sequentially engaged with the pins 6. A tray guide 14 extends parallel to the spindle rail 13 on the upper surface of the guide rail 3 disposed below, and the tray guide 14 has a diameter substantially equal to the pitch of the spindles 15 and a peg 16 on the upper surface. A plurality of trays 17 each having a protruding portion are slidably mounted on a belt (not shown) in a single-row state.

A full bobbin removing device 18 that pulls out the full bobbins F from the spindle 15 one by one is arranged at the upper center of the pipe changer 1. A tight fitting releasing device (not shown) is provided below the full bobbin removing device 18 for releasing the tight fitting between the full bobbin F and the spindle 15 during the lifting operation of the full bobbin lifting device 18. There is. The full bobbin F lifted by the full bobbin lifting device 18 is placed on the lower peg 16 in a substantially vertical state at a position closer to the front in the moving direction of the pipe changer 1 with respect to the full bobbin lifting device 18. In order to transfer the full bobbin F in a substantially vertical state, the first conveyor device 20 provided with a plurality of full bobbin gripping tools 19 at fixed intervals is arranged so as to circulate in a plane orthogonal to the spindle rail 13. It is set up. Further, an empty bobbin gripping tool that grips an empty bobbin E on the peg 16 in a substantially vertical state and moves upward at a forward position of the tube changer 1 in the traveling direction during the pipe replacement operation with respect to the first conveyor device 20. twenty one
A second conveyor device 22 is provided in parallel with the first conveyor device 20. Further, a peg is provided at a rear position in the traveling direction of the pipe changer 1 with respect to the first conveyor device 20 and the full bobbin removing device 18.
An empty bobbin inserting device 23 for inserting the empty bobbins E pulled out from above into the spindle 15 one by one is provided.

Above the full bobbin removing device 18, there is provided a delivery conveyor device 25 which receives empty bobbins E from the second conveyor device 22 and is provided with a plurality of grippers 24 for gripping the empty bobbins E at regular intervals. , Is arranged so as to circulate in a horizontal plane extending above the second conveyor device 22 and the empty bobbin inserting device 23.

Further, the rotary shaft is provided on the side opposite to the spinning machine base of the pipe changer 1.
A drive shaft 26 is rotatably arranged in parallel with the drive shaft 26.
A pulley 28 is integrally rotatably attached to the drive shaft 26 via a clutch 27, and a drive shaft 26 is provided via a belt 30 mounted between the pulley 28 and a pulley 29 fitted to the rotary shaft 10. Is driven to rotate. Then, the drive shaft 26
Is rotated by a belt transmission mechanism, a gear transmission mechanism, a cam link mechanism, or the like, the full bobbin lifting device 18, the first conveyor device 20, the second conveyor device 22, the empty bobbin insertion device 23, and the delivery conveyor device. It is transmitted as a driving force of 25 and each device is driven in a state of being synchronized with each other.

As shown in FIG. 2, the full bobbin removing device 18 has a pair of levers 32 and 33 in a direction orthogonal to the moving direction of the pipe changing machine 1 with respect to a support bracket 31 fixed to the frame of the pipe changing machine 1. In the extended state, it is rotatably supported via shafts 34 and 35, and at the tip thereof, links 36 are connected to each other to form a parallel four-bar link. Lever arranged below
A bobbin holding device 37 is supported at the tip of 33. or,
Below the lever 33, a rotary shaft 38 driven by the drive shaft 26 via a transmission mechanism (not shown) is arranged.
Rotation lever whose base end is fitted to 38 so that it can rotate integrally
39 and the lever 33 are pin-connected to each other via a connecting rod 40. The lever 33 is rotated by the rotation of the rotation lever 39, and the bobbin holding device 37 is arranged in a full bobbin holding position and a full bobbin opening position.

The bobbin holding device 37 is rotatably supported by a protruding end of a support shaft 41 that rotatably connects the link 36 and the lever 33, and a torsion spring (not shown) mounted between the support shaft 41 and the support shaft 41. (2) is urged to rotate in the clockwise direction in FIG. 2 and a regulating member (not shown) fixed to the upper surface abuts on the link 36 so that the rotation is regulated and held in a horizontal state. It has become. Further, as shown in FIG. 4, the bobbin holding device 37 is arranged such that the fixed gripping piece 42 and the movable gripping piece 43 face each other on a straight line orthogonal to the support shaft 41. The movable gripping piece 43 is rotatably supported by the support shaft 41, and a tooth portion 43a is formed on the side opposite to the fixed gripping piece 42. Spindle 41
A grip release member 45 is rotatably supported on a shaft 44 fixed to the rear side (left side in FIG. 4). The grip release member 45 has a tooth portion 45a that meshes with the tooth portion 43a of the movable grip piece 43, and an engaging piece 46 having an inverted L-shape is projectingly provided on the upper portion. The movable gripping piece 43 is constantly biased in the bobbin gripping direction via the gripping release member 45 by a spring 47 interposed between the bottom surface of the gripping release member 45 and the bottom wall of the bobbin gripping device 37. . Further, when the bobbin gripping device 37 is pivotally arranged at the upper portion of the pipe changer 1 to the full bobbin open position, the bobbin gripping device 37 engages with the engaging piece 46 to move the gripping release member 45 to the grip release side, that is, as shown in FIG. An engagement member 48 that rotates in the clockwise direction is fixed.

Next, the first conveyor device 20 will be described. A pair of upper and lower sprockets 49, 50 constituting the first conveyor device 20.
The rotating shaft 51 is arranged parallel to the moving direction of the pipe changer 1, and the chain 52 is wound between both sprockets 49 and 50.
Circulates in a plane orthogonal to the spindle rail 13. As shown in FIG. 5, the full bobbin gripping tool 19 is fixed to the outer surface of a mounting bracket 53 attached to the chain 52 and having an L-shaped cross section. The full bobbin gripping tool 19 includes a fixed gripping piece 55 fixed to a support body 54 having a plane L shape.
Grips the body of the full bobbin F in cooperation with the fixed gripping piece 55,
The movable gripping piece 57 is rotatably attached to the support body 54 via the shaft 56 so as to be opened. The movable gripping piece 57 is constantly biased by a torsion spring (not shown) toward the bobbin gripping side (counterclockwise in FIG. 5). An engaging lever 58 that extends obliquely rearward is integrally formed at the base end of the movable gripping piece 57.

In the vicinity of the upper sprocket 49, the full bobbin F pulled up from the spindle 15 by the full bobbin lifting device 18
In the full bobbin open position so that the full bobbin can be received and gripped in a substantially vertical state, the movable gripping piece 57 is released by engaging with the engagement lever 58 from the time when the full bobbin gripping tool 19 reaches the vicinity of the full bobbin open position. There is provided a cam 59 having a cam surface so that the bobbin holding device 37 opens the full bobbin F and the movable holding piece 57 holds the body of the full bobbin F at the same time when the bobbin holding device 37 is rotated to the position. Further, at a position near the lower sprocket 50, when the bottom portion of the full bobbin F gripped by the full bobbin gripping tool 19 is inserted into the peg 16, the movable gripping piece 57 is rotated to the open side. A cam 60 that engages the mating lever 58 is provided. In addition, when the cams 59 and 60 are engaged with the engagement lever 58, the restricting member 61 that engages with the mounting bracket 53 is provided to prevent the entire full bobbin gripping tool 19 from moving.
It is located near 9,60.

Next, pull out the empty bobbin E from above the peg 16 and carry it
The conveyor device 22 will be described. Similar to the first conveyor device 20, this conveyor device is also fitted with a pair of upper and lower rotary shafts 62 arranged parallel to the traveling direction of the pipe changer 1 so that the sprockets 63 and 64 can be integrally rotated. Is
A chain 65 is wound around both sprockets 63 and 64. The empty bobbin gripping tool 21 has the same structure as the full bobbin gripping tool 19 except that the fixed gripping piece 55 and the movable gripping piece 57 are arranged at an interval suitable for gripping the top of the empty bobbin E. Has been done. Then, at a position near the sprocket 64, from the time when the empty bobbin gripping tool 21 approaches the empty bobbin E on the peg 16, the movable gripping piece is engaged with the engaging lever 58.
A cam 66 having a cam surface that allows the movable gripping piece 57 to return to the gripping position when the empty bobbin gripping tool 21 is arranged in a horizontal state is provided while opening 57 to the rotating side. Further, a movable grip is provided near the upper sprocket 63 while the top of the empty bobbin E gripped by the empty bobbin grip 21 moves from the position gripped by the grip 24 of the transfer conveyor device 25 for a certain period. A cam having a cam surface for rotating the engaging lever 58 so as to dispose the piece 57 in the open position.
67 are provided. In addition, as in the case of the first conveyor device 20, a regulating member 68 is provided in the vicinity of the cams 66, 67.
Is provided.

Next, from the second conveyor device 22 to the empty bobbin inserting device 23
A delivery conveyor device 25 for transferring an empty bobbin to the following will be described. The conveyor device 25 is the second conveyor device.
Sprockets 69, 70 are arranged above the empty bobbin insertion device 23 and the empty bobbin insertion device 23, respectively, so that their rotation shafts 71, 72 are in a vertical state. Both sprockets as shown in FIG.
A plurality of (seven in this embodiment) support brackets 74 are attached to the chain 73 wound between 69 and 70 at regular intervals, and the gripper 24 is attached to the distal end of the support bracket 74. Is rotatably supported by a shaft 75. The gripping tool 24 includes a fixed gripping member 76 and a movable gripping member 77, the movable gripping member 77 is rotatably supported with respect to the fixed gripping member 76 via a shaft 78, and by the action of a torsion spring (not shown). It is always urged to rotate toward the grip side. An empty bobbin inserting device 23 is provided below the both sprockets 69 and 70.
A guide plate 80 having an elliptical guide groove 79 corresponding to the circling position of the chain 73 except for the bobbin handing position is horizontally arranged. Each fixed gripping member
A support piece 81 is provided on the outer surface of the protrusion 76, and a roller 82 that engages with the guide groove 79 is fixed to the support piece 81 via a pin 83.

Next, the empty bobbin inserting device 23 will be described. As shown in FIG. 3, a lever 85 is rotatably supported at a base end of a support bracket 84 fixed to the frame of the pipe changer 1 via a support shaft 86, and a tip end thereof is supported by a shaft 87. An empty bobbin holding device 88 is rotatably supported. Also, lever 85
A rotary shaft 89 driven by the drive shaft 26 via a transmission mechanism is disposed below the rotary shaft 90, and a rotary lever 90 having a base end integrally fitted to the rotary shaft 89 so as to be integrally rotatable. And the lever 85 are pin-connected to each other via a connecting rod 91. The lever 85 is rotated by the rotation of the rotation lever 90, and the empty bobbin gripping device 88 is rotated between the empty bobbin receiving position and the empty bobbin opening position.
The empty bobbin gripping device 88 has a rod 92 whose one end is connected to a link mechanism (not shown) coaxially arranged with the support shaft 86.
At the empty bobbin receiving position, which is pin-connected to the other end of the empty bobbin at a position substantially orthogonal to the oblique bobbin E at the same position, and at the empty bobbin insertion position. It is pivotally arranged so as to be in a substantially horizontal state. Furthermore, the cam link mechanism (not shown)
While the empty bobbin E gripped by the gripping tool 24 is loosely inserted between the pair of gripping pieces from the highest position shown by the solid line in the figure, the empty bobbin E is held in the open state, and the position is empty when inserted on the spindle 15. It is configured to be held in a gripped state up to a position corresponding to the top of the bobbin, and to be opened again from that position to a lower position.

Next, the operation of the device configured as described above will be described. When the spinning machine is stopped by the full pipe command, the motor (8) of the pipe changer 1 transported to the position corresponding to the full pipe stand is driven by the carrier (not shown), and the screw roller 7 is rotated to rotate the groove 7a. And the pin 6 are engaged with each other so that the pipe changer 1 has the rail 2
Start moving along. An empty bobbin E is supplied to the peg 16 of the tray 17 on the tray guide 14 prior to the movement of the pipe changer 1. Then, when the full bobbin removing device 18 approaches the spindle 15 of the first weight, the clutch 27 is connected and the drive shaft 26 is rotationally driven, and the full bobbin removing device is
The rotation shaft 38 is rotated about 18. As a result, the levers 32, 33 are rotated clockwise from the position shown by the chain line in FIG. 2, and the bobbin gripping device 37 held in the raised position moves downward. When the bobbin gripping device 37 moves to the position corresponding to the spindle 15, the bobbin gripping device 37
Is in a state of being fitted to the top of the full bobbin F. When the bobbin gripping device 37 is fitted on the top of the full bobbin F, the full bobbin F is rotated by the tight fitting releasing device (not shown) to the spindle 15
The tight fitting with is released.

Next, the rotation lever 39 is rotated clockwise from the position indicated by the solid line, and the levers 32 and 33 are rotated counterclockwise about the shafts 34 and 35. With the rotation of the lever 33, the bobbin holding device 37 ascends while the full bobbin F is suspended and moves away from the spinning machine base. Full bobbin F is spindle
The bobbin gripping device 37 starts to move away from the spinning machine base before it is completely pulled out from the 15, but the bobbin gripping device 37 is rotated counterclockwise in FIG. Therefore, it is possible to move without fail.

The full bobbin F was completely lifted from the spindle 15 and the full bobbin F hung on the bobbin holding device 37 at the time when the bobbin holding device 37 moved to the vicinity of the highest position was mounted on the first conveyor device 20. Full bobbin gripping tool 19 both gripping pieces 55, 5
It will be in a state that it is loosely inserted between 7. Then, the bobbin holding device 3
While 7 moves to the highest position, the engagement piece 46 of the bobbin gripping device 37 engages with the engagement member 48, the grip release member 45 is rotated clockwise in FIG. 43 is spindle 41
The full bobbin F is released from being gripped by being rotated counterclockwise around. On the other hand, at this time, the engaging lever of the full bobbin gripping tool 19
58 also comes into a state of engaging with the valley of the cam 59, and the movable gripping piece 57
Is held at the gripping position shown by the solid line in FIG. 5, and the full bobbin F is gripped by the full bobbin gripping tool 19 at its body. Then, as the chain 52 moves, it is transferred downward.

Then, by the action of the second conveyor device 22, the empty bobbin E
Full bobbin F to the position corresponding to the peg 16 with the
When the lower end of the movable bobbin is transferred and the lower end of the movable bobbin is partially inserted into the peg 16, the engaging lever 58 of the full bobbin gripping tool 19 starts to engage with the mountain portion of the cam 60, and the movable gripping piece 57 is moved to the position shown in FIG. The full bobbin F by the full bobbin gripping tool 19 is rotated to the open position indicated by the chain line.
Is released, and the full bobbin F is fitted on the peg 16. Similarly, the full bobbin F lifted by the full bobbin lifting device 18 from the spindle 15 is sequentially delivered to the full bobbin gripping tool 19 attached to the chain 52 that revolves.
The pegs 16 are sequentially fitted and inserted in the same manner as described above.

On the other hand, the engaging lever 58 of the empty bobbin gripping tool 21 engages with the mountain portion of the cam 67 at a position slightly ahead of the empty bobbin E on the peg 16 where the second conveyor device 22 is inserted, and the movable part moves. The gripping piece 57 is held in the open state, and in this state, the empty bobbin E is loosely inserted between the gripping pieces 55 and 57 as the chain 65 moves. Then, when the empty bobbin gripping tool 21 has passed the revolving part of the chain 65, the engagement between the engaging lever 58 and the ridge of the cam 67 is released, the movable gripping piece 57 is held at the gripping position, and the empty bobbin gripping part is held. When the tool 21 grips the empty bobbin E and moves upward, the empty bobbin E is pulled out from the peg 16. Then, when the empty bobbin gripping tool 21 gripping the empty bobbin E reaches the upper circumference of the chain 65, the top of the empty bobbin E is fitted and inserted into the lower part of the gripping tool 24 equipped on the transfer conveyor device 25. . Then, when the empty bobbin gripping tool 21 further moves from this position, the engaging lever 58 engages with the mountain portion of the cam 66, the movable gripping piece 57 is rotated to the open position, and the empty bobbin gripping tool 21 grips it. The empty bobbin E that is released and gripped by the gripping tool 24 is transferred to the side opposite to the traveling direction of the pipe changer 1 as the chain 73 moves. Then, when the gripping tool 24 is moved to a position corresponding to the empty bobbin inserting device 23, the gripping tool 24 is obliquely arranged so that its lower portion is close to the spinning machine base side.

On the other hand, the empty bobbin inserting device 23 starts moving slightly before the gripper 24 is obliquely arranged, from the highest position shown by the solid line in FIG. 3, and the empty bobbin E corresponds to the empty bobbin inserting device 23. Empty bobbin gripping device when placed diagonally in position
The empty bobbin E is loosely inserted between the gripping pieces of 88,
After the lever 85 is further rotated from that state, the empty bobbin E is gripped by the empty bobbin gripping device 88, and with the rotation of the lever 85, the empty bobbin E is withdrawn from the gripper 24 and the full bobbin F is withdrawn. It is inserted on the spindle 15.

In the apparatus of this embodiment, the full bobbin removal device 18, the first conveyor device 20, the second conveyor device 22, the empty bobbin insertion device 23, and the conveyor 25 are driven by the same drive shaft 26 by a cam mechanism or another transmission mechanism. Since it is driven in a synchronized state via, it is not necessary to adjust the timing even when the pipe replacement operation speed is changed.

Note that the present invention is not limited to the above-described embodiment, and for example, a belt conveyor having pegs protruding at predetermined intervals is used as a transfer device for empty bobbins or full bobbins, or a full bobbin removing device 18, Each conveyor device 20,22,25
The drive source of the empty bobbin inserting device 23 may be another drive source.

Effects of the Invention As described in detail above, according to the present invention, since the operation of each step required for the pipe replacement work is performed with the empty bobbin and the full bobbin always being reliably gripped, the pipe replacement speed is high. Even if it happens, each operation is surely performed. Further, the conveyor device for transferring the full bobbin or the empty bobbin is arranged parallel to the front and rear with respect to the traveling direction of the pipe changer, and since the bobbin is transferred in a substantially vertical state, the width of the pipe changer becomes small and the existing factory In the above, the present invention can be applied to a spinning machine having a narrow space between the spinning machine bases, and has an excellent effect that the machine frame of the pipe changer is compact and uses less energy.

[Brief description of drawings]

1 to 8 show an embodiment embodying the present invention, in which FIG. 1 is a schematic front view showing the arrangement relationship of each device equipped in a pipe changer, and FIG. 2 is a full bobbin. Lifting device and first
4 is a schematic side view showing the positional relationship of the conveyor device of FIG. 3, FIG. 3 is a partially cutaway schematic side view showing the positional relationship of the empty bobbin inserting device, the second conveyor device, and the delivery conveyor device.
FIG. 7 is a sectional view of a main part of the bobbin gripping device, FIG. 5 is a plan view of a full bobbin gripping tool, FIG. 6 is a plan view of an empty bobbin gripping tool, and FIG.
The figure is a plan view of the delivery conveyor device, and FIG.
FIG. 9D is a schematic view showing changes in movement of the empty bobbin and the full bobbin during pipe replacement work, and FIG. 9 is a schematic perspective view showing a conventional device. Pipe changer 1, spindle 15, peg 16, full bobbin removal device
18, full bobbin gripper 19, first conveyor device 20, empty bobbin gripper 21, second conveyor device 22, empty bobbin insertion device
23, gripper 24, transfer conveyor device 25, full bobbin F,
Empty bobbin E.

Claims (1)

[Claims] 1. An empty bobbin is preliminarily prepared on a peg of a transfer device arranged corresponding to a spindle below a spindle row of a spinning machine, and after the spinning machine is fully stopped, a spindle rail is provided from one end of the spinning machine stand. A bobbin removal device that continuously runs along the spindle and sequentially replaces the full bobbin on the spindle with the empty bobbin on the peg, and removes the full bobbin from the spindle one by one and the full bobbin removal device. In order to transfer the lifted full bobbin to the lower peg in a substantially vertical state, a plurality of full bobbin gripping tools for receiving and gripping the full bobbin in a substantially vertical state are provided at a constant interval and in a plane orthogonal to the spindle rail. A first conveyor device that circulates, and the first conveyor device is disposed parallel to the conveyor device at a front position in the traveling direction of the pipe changer with respect to the first conveyor device. A second conveyor device provided with a plurality of empty bobbin gripping tools for gripping the upper empty bobbin in a substantially vertical state and moving the upper bobbin at a constant interval, and at the time of pipe replacement work of the pipe changer with respect to the first conveyor device. An empty bobbin inserting device which is disposed at a rear position in the traveling direction and inserts empty bobbins lifted up from the peg into the spindle one by one, and the second conveyor device and the empty bobbin above the full bobbin lifting device. A delivery conveyor device which is arranged so as to circulate in a horizontal plane over the insertion device, receives the empty bobbin from the second conveyor device, and is provided with a plurality of gripping tools for gripping the empty bobbin at regular intervals. A spinning machine changer.