JPS63165279A - Carrying method for roving bobbin - Google Patents

Abstract

PURPOSE:To reduce damage of a roving and to improve quality of a thread, by a method wherein a roving bobbin 12 is conveyed, in a state to suspend the roving bobbin to the bobbin hanger of a bobbin carriage, to a fine spinning machine installation position through first third rail and an elevating device. CONSTITUTION:A roving bobbin 12 doffed from a roving frame 9 is suspended from a bobbin hanger 29 of a bobbin carriage 24, is moved to the elevator installation position C side along a first rail 35, and is transferred to a third rail 35 of an elevator 5 for support. Thereafter, through drive of a elevating motor 8, the elevator 5 is raised to an upper story 3, the bobbin carriage 24, supported to the third rail 35, is transferred to a second rail 34, and the bobbin carriage is moved to a refine spinning machine installation position B as it is guided by means of the second rail 34, and is fed to a refining machine 19. This constitution reduces damage of a roving on a roving bobbin to improve quality, and enables saving of a labor required for carriage of the roving bobbin.

Description

Detailed Description of the Invention Field of Application in the ffl Industry This invention is for transferring roving bobbins doffed from a roving machine installation position on a certain floor of a factory equipped with a lifting device such as an elevator to another floor. A spinning machine? The present invention relates to a method of transporting a roving bobbin to the same position as j2.

Conventional technology In the past, the roving bobbin doffed at the roving machine installation position was stored in the storage box of a transport car, the transport car was moved to the elevator installation position and placed on the elevator, and then the transport car was moved to the elevator installation position. After raising and lowering the spinning frame to the level where the spinning frame is installed, the carrier is moved to the spinning frame installation position, where the roving bobbin is taken out from the storage box and hung on a bobbin hanger.

Problems to be Solved by the Invention As described above, in the case where the roving bobbin is stored in a storage box of a transport vehicle and transported, the roving bobbin is stored in the storage box so that the roving thread is not connected to each other or the roving thread and the inner surface of the cylinder. There was a problem that the rovings were damaged due to rubbing against each other.

Therefore, in order to solve the above problems,
As described in Publication No. 86, a pair of endless chains are rotatably arranged on a transport vehicle, and a plurality of horizontal support beams are swingably installed on these endless chains. It has been proposed that the roving bobbin is inserted vertically. However, the method described in the above publication requires complicated equipment such as endless chains for each transport vehicle, which increases the cost of the transport device. There was a problem in that it was necessary to suspend the thread bobbin again on the bobbin hanger, which required a lot of labor and cost.

Means for Solving the Problems In order to solve the above-mentioned problems, the present invention aims to solve the above-mentioned problems by suspending the roving bobbin doffed from the roving machine from the bobbin hanger of the bobbin carriage supported by the first rail. , the bobbin carriage is moved in series to the lifting position, the bobbin carriage is spirally guided by the third rail while being in series and supported by the third rail, and then the third rail is lifted and lowered by the lifting device. and connect it to the second rail,
Thereafter, the bobbin wheel is moved from the third rail to the second rail, and the bobbin carriage is moved in series to the spinning frame position to transport the roving bobbin in a suspended state to the spinning frame position. It is a feature.

After moving the working bobbin carriage to the roving machine position and suspending the doffed roving bobbin from the bobbin hanger of the bobbin carriage, the bobbin carriage is guided to the first rail and moved in series to the lifting position. Then, the bobbin carriage is spirally guided by the third rail while being in series and supported by the third rail in the lifting device. After the lifting device is raised and lowered to the level where the spinning machine is installed, the bobbin carriage is moved. The cage is guided from the third rail to the second rail, and the roving bobbin is moved to the spinning frame position in a suspended state.

This allows the rovings of the roving bobbin to be less likely to rub against each other.

Example In Fig. 1, 1 is a building of a textile factory, and the first floor is 2
The case of a two-story building with a floor and a second floor, layer 3, is shown. Reference numeral 4 denotes an elevator device installed in the building 1, which constitutes the elevating device of the present application.

As is well known, the elevator device 4 moves an elevator 5, one of which is released by σN, to the floor 2 by means of a lifting mechanism 6.
It is designed to be raised and lowered to 3. 7 is a wire of the lifting mechanism 6, and 8 is a lifting motor.

9 is a well-known roving machine installed on the floor 2a of floor 2,
As shown in FIG. 2, multiple units are installed in parallel. An automatic tube changer 10 is disposed in front of the roving frame 9, and an empty bobbin suspended from a bobbin carriage guided by a first rail, which will be described later, and a roving bobbin placed on a bobbin wheel 9a. 12 is to be replaced. This automatic tube changer 10 is composed of a simultaneous tube changer 13 disclosed in, for example, Japanese Patent Laid-Open No. 57-106729 and a bobbin transfer device 14 disclosed in Japanese Patent Laid-Open No. 58-41919. There is. - As shown in FIG. 3, the simultaneous pipe changing machine 13 is equipped with a belt conveyor 15 having a large number of pegs 15a, and the roving bobbin 12 on the bobbin wheel 9a is inserted into the pegs 15a by moving the pipe changing head 16 back and forth and up and down. The empty bobbin inserted into another peg 15a is inserted into the bobbin wheel 9a. The bobbin transfer device 14 includes an elevating body 17 having a peg 17a and an exchange arm 18, and removes an empty bobbin suspended from a bobbin carriage (to be described later) onto the peg 17a by raising and lowering the elevating body 17, and removes the empty bobbin from the peg 17a. The upper empty bobbin is inserted into the peg 15a by the exchange arm 18, the roving bobbin 12 on the peg 15a is inserted into the peg 17a by the exchange arm 18, and the roving bobbin 12 on the peg 17a is inserted into the elevating body 17. It is designed to be suspended from the bobbin hanger of the bobbin carriage by lifting and lowering. Note that instead of the automatic pipe changing device 10, a traveling type pipe changing machine or the like as shown in Japanese Patent Publication No. 51-38814 may be used, or the pipes may be changed manually as in the past. good.

Numeral 19 is a well-known spinning machine installed on the floor 3a of floor 3, and as shown in FIG. 4, a plurality of spinning machines are installed in parallel. Each spinning I
The creel 2o of a19 is equipped with a front row bobbin hanger 21 and a rear row bobbin hanger 22, as shown in FIG.
The roving bobbin 12 is suspended from these bobbin hangers 21 and 22.

Next, 23 is a roving bobbin conveying device for conveying the roving bobbin 12 doffed at the roving machine installation position A to the fine spinning machine installation position B. Next, this roving bobbin conveying device 23 will be explained. First, 24 is a bobbin carriage for suspending the roving bobbin 12, and as shown in FIGS. 6 and 7, a large number of carriage elements 24a can be connected! has been completed. In this carriage element 24a, 25 is a rod-shaped carriage bar, and a pair of support rods 26a are protruded from the upper side.
A pair of left and right support rollers 27 and a pair of front and rear guide rollers 28 are rotatably supported by a support body 26 which is rotatably attached to the support rods 26a. Further, on the upper side of the carriage bar 25, a proximal body (not shown) is fixed to every two pitches of a bobbin hanger, which will be described later. Six well-known bobbin hangers 29 are attached to the lower side of each carriage bar 25 at predetermined intervals. These bobbin hangers 2
The I'lfl interval S of 9 is set to twice the spindle pitch of the spinning frame 19. Reference numeral 3o denotes a connecting piece that connects the carriage bars 25 to each other, and both ends thereof are rotatably connected to the ends of the carriage bar 25 by bins 31a and 31b, respectively. The pins 31a and 31b are each located on the same axis as the bobbin hanger 29 at the end, and the distance T between the bobbin hangers 29 at the end is set to be the same as the distance S. The width of the connecting piece 30 is the carriage bar.
It is formed to have the same width as 25. Reference numeral 32 denotes U-shaped or U-shaped holding pieces fixed to both ends of the bobbin carriage 24, and both ends of the roving bobbin 12 are suspended from the bobbin hanger 29 at the endmost end in plan view. The roving bobbin 12 is located outside the circumferential surface of the roving bobbin 12, and the distance R between both ends is set to be larger than the maximum diameter of the roving bobbin 12. For example, if the roving frame 9 has 96 spindles, the number of the carriage elements 24a is set to 16 so that the total number of bobbin hangers 29 is at least the number of bobbin wheels 9a of the roving frame 9.

Next, 80 moves the bobbin carriage 24 to the roving machine installation position A.
A transport rail that movably guides the spinning frame from the roving frame installation position B to the spinning frame installation position B or vice versa, as shown in Figures 2 and 4. The first rail 33 is located near the ceiling 2b between the elevators (shown as lifting positions) and the ceiling 3b is located near the ceiling 3b between the spinning machine installation position B and the elevator installation position C on the floor 3 of the spinning machine installation. The second rail 34 is provided inside the elevator 5, and the third rail 35 is provided in the elevator 5 so as to be connectable to the first rail 33 and the second rail 34. As shown in FIG. 9, the conveyance rail 80 has a cross-sectional shape, and includes a pair of horizontal support surfaces 80a for guiding the support roller 27 of the bobbin carriage 24 and a pair of vertical guide surfaces for guiding the guide roller 28. Surface 80b
is formed. The first rail 33 is a main rail 33a between the roving frame installation position A and the elevator installation position C;
A branch rail 33b branched from the main rail 33a corresponding to each roving frame 9 at the roving frame installation position A, and a branch rail 33b branched from the vicinity of the elevator installation position c.
The back rails 33c are branched from the main rail 33a. Main rail 33a
, the branch rail 33b and the back rail 33c are arranged so as to guide the bobbin carriage 24 in series, and the branch rail 33b is arranged so as to pass directly above the peg 17a of the elevating body 17, as shown in FIG. It is located. Similarly to the second rail 34, the second rail 34 includes a main rail 34a between the spinning machine installation position B and the elevator installation position C, and a main rail 34a corresponding to the spindle rows of each spinning machine 19 at the spinning machine installation position B. 34a, and standby rails 34c are branched from the main rail 34a between the vicinity of the elevator installation position C and the preliminary rail 34b. Main rail 34a, spare rail 34b and standby rail 34c
are arranged to guide the bobbin carriage 24 in series, and the spare rail 34b is located in front of the upper part of the creel 2o, as shown in FIG.

Further, as shown in FIG. 10, the third rail 35 is arranged in a spiral shape near the ceiling 5a of the elevator 5, so that the bobbin carriage 24 can be guided in a serial state. The spiral shape of this third rail 35 is at least
The shape of the bobbin carriage 24 is determined so as to accommodate a bobbin carriage 24 in which roving bobbins 12 for one round of doffing are suspended. The third rail 35 is connected to the first rail 33 and the second rail 3 while the elevator 5 is stopped moving up and down at the floor 2.3.
4, respectively.

Two guide rollers 57 are rotatably attached to each of the four corners of the ceiling 5a of the elevator 5 via brackets 56.
It comes into contact with the inner surface 5b of the hole for passing through the elevator, and the upper and lower rails 90 provided between the floors 2a, 3a and the ceilings 2b, 3b. When the elevator 5 is raised or lowered, the guide roller 57 maintains the posture of the third rail 35 supporting the bobbin carriage 24 and ensures smooth movement of the elevator 5. Further, a detector (not shown) is attached near the end of the third rail 35 in the spiral direction to detect when the bobbin carriage 24 has come to a predetermined storage position.

Next, reference numeral 45 denotes a series feeding device, which is arranged in large numbers on the conveyance rail 80 at pitch intervals shorter than the length of the bobbin carriage 24, and is constructed as shown in FIGS. 8 and 9. In this serial feeding device 45, reference numeral 46 denotes a bracket fixed to the upper surface of the conveyance rail 80, and swing arms 47 and 48 are pivotally attached to both ends of the swing arms 47 and 48, respectively.
Bearings 49 and 50 are attached to 48. The bearing 4
9.50 rotatably supports shafts 51a and 52a of feed rollers 51.52. A drive motor 53 is attached to one of the bearings 49, and is designed to rotate the shaft 51a in forward and reverse directions. A spring 54 is stretched between the tip ends of the swing arms 47, 48, so that the feed rollers 51, 52 are brought into pressure contact with the carriage bar 25 when the carriage bar 25 is present between the feed rollers 51, 52. In addition,
Serial feed device 45 near the elevating body 17 at the roving machine installation position A
A proximity switch 55 (not shown) is provided on the carriage bar 25 to detect a nearby object.

Next, a switch 36a as shown in FIG. 12 is provided at each branch point of the main rail 33a and each branch rail 33b. In this switch 36a, reference numeral 39 denotes an operating lever pivotally attached to the conveyor rail 8o by a pivot 37, and 38 denotes a switch rotatably attached to the pivot 37 so as to guide the guide roller 28 of the bobbin carriage 24. This switching piece 38 is connected to the stopper 39a of the operating lever 39 by the spring 4.
0 and rotates together with the operating lever 39. Reference numeral 41 denotes an air cylinder that rotates the operating lever 39, and switches the switching piece 38 from the position shown by the solid line to the position shown by the imaginary line when necessary. 42a, 42b
is a limit switch that confirms switching of the switching piece 38. Furthermore, substantially identical switches 36b and 36c for guiding the bobbin carriage 24 in only one direction are arranged at each branch point between the main rail 33a and the back rail 33c. These switches 36b, 36c are rotatably pivoted switch pieces 38b, 38c as shown in FIGS. 13 and 14.
The switching pieces 38b, 38C are connected to a return spring 40b,
40c, it is brought into contact with the knees 39b and 39c, and guides the guide roller 28 of the bobbin carriage 24 to branch to one side.

The switches 36a and 36 are also installed at the branch points of the main rail 34a, the spare rail 34b, and the standby rail 34c.
Switches 44a, 44b, 44c similar to b, 36c
;/l' is provided.

In the structure described above, when transporting the roving bobbin 12 doffed from the roving frame 9 to the spinning frame installation position B, the elevator 5 is lowered in advance to the floor 2 where the roving frame is installed, and the third rail 35 is moved. It is connected to the third rail 33. Further, while the roving frame 9 is in operation, the bobbin carriage 24 is moved to the branch rail 33b corresponding to the roving frame 9. Rover 9
When the bobbin is almost full, the empty bobbin suspended from the bobbin hanger 29 is lifted up and down by the elevating body 17 to peg it to the peg 17.
a, and the empty bobbins on the pegs 17a are inserted into the pegs 15a of the belt conveyor 15 by the exchange arm 18, and these empty bobbins are positioned in front of each bobbin wheel 9a. after that.

When the roving frame 9 becomes full, the operation of the roving frame 9 is stopped and the automatic tube changing device 10 is activated, and the tube changing head 16 moves to take out the roving bobbin 12 on the bobbin wheel 9a and transfer it to the belt conveyor 15. After that, the empty bobbin is removed from the belt conveyor 15 and placed on the bobbin wheel 9a, and then the roving frame 9 starts operating again. Also, the peg 1 on the belt conveyor 15
The roving bobbin 12 inserted into the bobbin 5a is sequentially inserted into the peg 17a of the elevating body 17 by the exchange arm 18, and then the bobbin hanger 29 of the bobbin carriage 24 is guided to the branch rail 33b by the elevating and lowering of the elevating body 17. suspended from In the above case.

The drive motor 53 of 45 in the series feeding device located near the elevating body 17 is driven every time the roving bobbin 12 is inserted into the bobbin hanger 29, and is stopped when the proximity switch 55 detects a nearby body, and the bobbin is stopped. The carriage 24 is intermittently moved by two pitches of the bobbin hanger 29. When all the roving bobbins 12 are suspended from the bobbin hanger 29 as described above and the exchange operation is completed, a detection means (not shown) detects this and sends a signal, or the operator confirms this. When the command switch is operated, the drive motor 53 of the serial feed device 45, which is provided at the branch rail 33b position, the main rail 33a position, and the third rail 35 position corresponding to the roving frame 9, is activated to move the feed roller 51 to the eighth position. Rotate counterclockwise in the figure. As a result, the feed roller 5
1 moves the carriage bar 25 sandwiched between it and the feed roller 52. Branch rail 33b and main rail 33a
When the vehicle moves close to the branch point, a detector (not shown) detects this and the cylinder 41 of the switch 36a is activated.

As a result, the switching piece 38 is switched from the solid line position in FIG. 12 to the imaginary line position, and the bobbin carriage 24 guided by the branch rail 33b is sent to the main rail 33a position. As a result, the carriage bar 2 of the bobbin carriage 24
5 is fed between the rollers 51 and 52 fed by the serial feeding device 45 at the main rail 33a position and similarly moved.

Next, the switch 36c is connected to the switch piece 38c as shown in FIG.
Since the main rail 33a remains in the solid line position, the feed rollers 51 and 52 of the serial feed device 45 continue to move the main rail 33a.
will be guided and moved.

Next, the leading edge guide roller 28 of the bobbin carriage 24
contacts the switch piece 38b of the switch 36b, causing it to
It switches from the solid line position in the figure to the imaginary line position and moves along the main rail 33a as it is. This switching piece 38b is returned by a return spring 40b every time the guide roller 28 passes, and after the bobbin carriage 24 passes, it maintains the solid line position shown in the figure. In this way, the bobbin carriage 24 is sequentially moved and sent into the third rail 3.5, which has been waiting in advance. Furthermore, the guide rollers 28 of each carriage bar 25 are moved by the series feed device 45 at the third rail position 35.
is guided by the spiral third rail 35 and moves. The drive motor 53 of the serial feed device 45 at the third rail 35 position is connected to the bobbin carriage 2 by a detector (not shown).
4 may be driven after being carried onto the third rail 35. When all of the bobbin carriages 24 are fed to the third rail 35 in the elevator 5 and reach a predetermined storage position, a detector (not shown) detects this and stops the drive motor 53 of the serial feed device 45.

Next, the elevator 5 is raised to the floor 3 where the spinning machine is installed, and the third rail 35 is connected to the second rail 34. After that, the serial feed device i at the third rail 35 position! The shaft 51a of the drive motor 53 of 45 is reversely rotated, and the bobbin carriage 24 is moved in the opposite direction to the second rail 34 by the feed rollers 51 and 52. As a result, the bobbin carriages 24 in the elevator 5 are stretched out again in series and are sent out to the standby rail 34c via the switch 44b by each serial feeding device 45. When the bobbin carriage 24 is moved away from the third rail 35, the drive motor 53 of the serial feed device 45 at the third rail position is stopped. After that, the bobbin carriage 24 is moved from the standby rail 34c to the switch 44c.
It is then transported to the main rail 34a at the spinning machine installation position B. At the spinning machine installation position 1itB, a spare rail 34 corresponding to the spinning machine 19 that requires the roving bobbin 12 in advance is installed.
The switch 44a at the b position is switched to guide the guide roller 28 of the bobbin carriage 24 to its spare rail 34b, and the drive motor 53 of the serial feed device 45 at the spare rail 34b position is driven. Therefore,
The bobbin carriage 24 has been moved on the main rail 34a
The guide rollers 28 are guided by the switching pieces of the switch 44a and moved to the preliminary rail 34b position, and the roving bobbin 12 suspended from the bobbin hanger 29 of the bobbin carriage 24 is moved as shown in FIG. As shown in FIG. 2, it is located in front of the front row bobbin hanger 21 of the creel 2o of the spinning frame 19. Note that the operations of the serial feed devices 45 at the main rail 34a, auxiliary rail 34b, and standby rail 34c positions are stopped when the bobbin carriage 24 is moved to a predetermined position. Thereafter, the roving bobbin 12 suspended from the bobbin hanger 29 at the position of the spare rail 34b is replaced with the remaining yarn bobbin 11 suspended from the front row bobbin hanger 21, either manually or by a wire exchanger. After the replacement, the bobbin carriage 24 on which the remaining yarn bobbin 11 is suspended is moved back to the roving frame installation position A through the main rail 34a by an operation substantially reverse to that described above, and the roving stripper 7 is moved along the way.
After the remaining yarn is processed by No. 2, the empty bobbin is sent to the branch rail 33b corresponding to the roving frame 9 that requires an empty bobbin.

Note that the standby rail 34c is a rail on which the bobbin carriage 24 stands by when the bobbin carriage 24 on which the remaining yarn bobbin 11 is suspended from the spinning frame 19 starts to move while the bobbin carriage 24 is moving on this standby rail 34c. During this waiting period, the serial feed device 45 at the standby rail 34c position stops, and when the bobbin carriage 24 on which the remaining thread bobbin 11 is suspended passes the switch 44c, the serial feed device is activated again and the bobbin is automatically transported. Ru. A mechanism similar to the standby rail 34c is also added to the back rail 33c, forming a smooth automatic conveyance system.

In the present invention, at the spinning machine position, creel rails are provided above the location of the upper and rear row bobbin hangers of the creel instead of the spare rail, respectively, and the bobbin carriage is fed to the creel rails.

The bobbin hanger of the bobbin carriage may be used as the bobbin hanger of the creel.

In that case, two rows of bobbin hangers in the bobbin carriage may be arranged in parallel, and the creel rail may be provided on one side of the spinning machine. Further, the elevating device may be constructed of a crane or the like that directly raises and lowers the third rail, and is not limited to an existing elevator.

Effects of the Invention As described above, in the present invention, the roving bobbin doffed from the roving machine is suspended from the bobbin hanger of the bobbin carriage guided by the first rail, and the bobbin carriage is transferred to the third rail. After supporting it, the lifting device is raised and lowered to the level where the spinning machine is installed, and then the bobbin carriage is guided to the second rail and moved to the spinning machine installation position, and the roving bobbin doffed from the roving frame is suspended. Since the roving bobbin is transported to the spinning machine installation position, even when the roving bobbin is transported to a different floor, damage to the roving thread of the roving bobbin can be reduced and yarn quality can be improved. Since the roving bobbin suspended from the spinning machine can be mechanically transported to the spinning machine position, the labor required for transporting and loading and unloading the roving bobbin can be reduced, and labor savings can be achieved through automation. In addition, each carriage element of the bobbin carriage is connected so as to be freely directional, and the bobbin carriage is spirally guided to the third rail while being in a series state, and is supported by the third rail.
A long bobbin carriage can be easily and quickly supported as it is on a lifting device in a narrow space, which can shorten transportation time and simplify the device for lifting and lowering the bobbin carriage, which can also reduce costs. can.

[Brief explanation of the drawing]

The drawings show an embodiment of the present application, and FIG. 1 is a longitudinal cross-sectional view of a spinning factory, FIG. 2 is a schematic plan view of the level where the roving machine is installed, FIG. 3 is an enlarged plan view of the roving machine part, and FIG. The figure is a schematic plan view of the level where the spinning machine is installed, Figure 5 is a sectional view of the spinning machine part, and Figure 6 is a cross-sectional view of the spinning machine section.
The figure is a plan view of the bobbin carriage, Fig. 7 is a side view of the bobbin carriage, Fig. 8 is a plan view of the feeding device, and Fig. 9 is a plan view of the bobbin carriage.
-1 X-ray sectional view, and FIG. 10 is a plan view of the installation position of the lifting device. Fig. 11 is a sectional view taken along the line XI-XI, Fig. 12, Fig. 13,
FIG. 14 is a plan view of the switch. 2... Floor, 3... Floor, A... Rover H position, B... Fine spinning frame installation position, C... Elevator installation position, 9... Rover frame, 12... Rover Thread bobbin, 24...
Bobbin carriage, 24a... Carriage element, 29
...Bobbin hanger, 33...First rail, 34.
...Second rail. 35...Third rail patent applicant Howa Kogyo Co., Ltd. Figure 4 wIS diagram Figure 8 I! Figure 9 lNl2 Figure 13 rl! i

Claims (1)

[Claims] 1. In a roving bobbin transport method for transporting roving bobbins doffed at a roving machine position on one floor of a factory to a spinning machine position on another floor, each of the plurality of carriage elements each having a bobbin hanger can be freely changed in direction. A connected bobbin carriage,
a first rail adapted to transport the bobbin carriage from a roving frame position to a lifting position; a second rail adapted to transport the bobbin carriage from a lifting position to a spinning frame position; and a bobbin carriage. A third rail that can be guided in a spiral manner and that can be raised and lowered to each position connectable to the first and second rails by means of a lifting device installed at the lifting and lowering positions is prepared. The doffed roving bobbin is suspended from the bobbin hanger of the bobbin carriage supported by the first rail, and then the bobbin carriage is moved in series to the lifting position. The bobbin carriage is then spirally guided by the third rail and supported by the third rail, and then the third rail is raised and lowered by a lifting device to connect it to the second rail, and then the bobbin carriage is moved from the third rail to the second rail. A method for transporting a roving bobbin, which comprises moving the bobbin onto a rail, moving the bobbin carriage in series to a spinning frame position, and transporting the roving bobbin in a suspended state to the spinning frame position.