JPH045632B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to a bobbin suspension and transfer device that grips and suspends a bobbin in an upright position, transports it to a predetermined position, and then releases the grip.

Conventional technology In general, in spinning factories, doffed full bobbins are loaded onto a trolley and transported to the next process, or empty bobbins are loaded onto a trolley and transported, and full bobbins and empty bobbins are transported using trolleys. There are many cases where it is necessary to load and unload bobbins. Automation of these tasks is desired to save labor. Conventionally, this work has been automated in such a way that a gripping member that grips the bobbin and takes it out of the cart moves horizontally to a predetermined position and then releases its grip on the bobbin to unload the bobbin from the cart. It is. However, this conventional device has a complicated structure because it is necessary for the gripping member to move horizontally as well as vertically while gripping the bobbin.

Purpose This invention was made in order to solve the above-mentioned conventional problems, and its purpose is to provide a bobbin suspension transfer system that has a simple structure and that can reliably load and unload bobbins from a cart. The goal is to provide equipment.

Embodiment Hereinafter, an embodiment in which the present invention is embodied in an empty bobbin suspension transfer device will be described with reference to the drawings. As shown in FIGS. 1 and 2, the empty bobbin hanging device 1 is arranged so as to be perpendicular to a guide rail 4 that guides a cart 3 on which a plurality of empty bobbins 2 are vertically loaded in a plurality of rows at predetermined intervals. It is arranged above the frame 5. A cylinder 7 is fixed perpendicularly to the upper surface of the support frame 6, which is installed on the upper part of the frame 5 in a direction perpendicular to the guide rail 4, and a pair of guide cylinders 8 are arranged parallel to the cylinder 7 on both sides thereof. is fixed. Cylinder 7 as shown in FIG.
Mounting bracket 1 is attached to the tip of piston rod 9.
0 is screwed on. As shown in FIGS. 4 and 5, the empty bobbin hanging device 1 has a support member 11 bent in a substantially inverted U-shape in cross section, and as shown in FIG. 12 to the mounting bracket 10 horizontally. A support tube 13 fixed to the upper surface of the support member 11 at a position corresponding to the guide tube 8 has a guide rod 1 inserted through the guide tube 8.
The base end of No. 4 is fitted. A male threaded portion 13a is threaded on the outer peripheral surface of the support tube 13, and a regulating tube 15 is provided on the male threaded portion 13a for abutting against the lower surface of the support frame 6 to restrict upward movement of the support member 11. is screwed on.

The lower ends of the pair of front walls 11a and rear walls 11b as supporting parts provided on the support member 11 are bent inward to engage the lower surface of the flange part 2a and suspend the empty bobbin 2. The formed guide rails 16a and 16b each have two hinges 17.
It is rotatably connected to the housing 1 and is biased to rotate inwardly by a torsion spring 18. Support brackets 19 and 20, which respectively support support shafts 19a and 20a extending parallel to the longitudinal direction of the guide rails 16a and 16b, are fixed to substantially central portions of the inner surfaces of both the guide rails 16a and 16b. on the other hand,
A regulating bracket 2 as a regulating member is provided on the front wall 11a at an upper position corresponding to the support bracket 19.
1 is fixed. The regulation bracket 21 is connected to one guide rail 16a connected to the front wall 11a.
In order to engage with the inner surface of the guide rail 16a and restrict its inward rotation, a portion of the guide rail 16a hangs down to the inside of the guide rail 16a, and its upper end is fixed to the lower end of the inner surface of the front wall 11a. Regulatory bracket 21
A long hole 21a extending vertically is formed in the center position of both guide rails 16a, 16b. Lever 22, 23 rotatably supported at one end by the support shafts 19a, 20a, respectively.
are rotatably connected to each other at the other end via a connecting pin 24 fitted into the elongated hole 21a of the regulating bracket 21.

The other guide rail 1 connected to the rear wall 11b
A pair of left and right brackets 25 (only one is shown) are fixed to the outer surface of the bracket 6b. As shown in FIGS. 4 and 5, the bracket 25 has a rotating lever 26 with an L-shaped side surface, the inner corner of which is close to the upper end of the other guide rail 16b, and one L-shaped piece that is connected to the guide rail. It is rotatably supported by a shaft 27 along the inner surface of 16b. The rotating lever 26 is urged to rotate counterclockwise in FIGS. 4 and 5 by a torsion spring 28 wound around a shaft 27, and is normally provided protruding from one end of one side located inside the guide rail 16b. When the engaging convex portion 26a is brought into contact with the inner surface of the guide rail 16b, its rotation is restricted, and the other side is brought into contact with the guide rail 1.
6b. A cam roller 30 that engages with a cam 29 disposed below the support frame 6 is rotatably attached to the protruding end of the rotary lever 26, as shown in FIG. Further, at positions corresponding to the rotary lever 26 on the rear wall 11b, there are fourth and fifth rotary levers of the rotary lever 26.
Notch 3 that allows rotation in the clockwise direction in the figure
1 is formed.

As shown in FIG. 3, a driving pulley 32 and a driven pulley 33 are rotatably supported on both left and right sides of the inside of the support member 11, and a toothed belt 43 as a transfer device is hung between both pulleys 32 and 33. equipped. Rotating shaft 3 on which drive pulley 32 is fitted
One end of 5 projects outward from the rear wall 11b, and a pulley 36 is fitted onto the projecting end. on the other hand,
A motor 37 is disposed on the upper surface of the left end of the support member 11, and a belt 39 is hung between the pulley 36 and a pulley 38 fitted on the drive shaft of the motor 37. Therefore, pulley 38, belt 39, pulley 36
The drive of the motor 37 is transmitted to the rotation shaft 35 through the drive pulley 32, which rotates clockwise in FIG. 3, and the toothed belt 34 moves in the direction of the arrow in the figure.

On the outer peripheral surface of the toothed belt 34, there is an engagement piece 40a that can engage with the flange portion 2a of the empty bobbin 2 suspended between the guide rails 16a and 16b.
40b is provided protrudingly. Engagement pieces 40a, 40b
As shown in FIG. 3, at the stop position of the toothed belt 34, the four empty bobbins 2 suspended between the guide rails 16a, 16b and the engaging pieces 40a, 4
A set of four engaging pieces 40a and 40b are arranged at equal intervals so that the engaging pieces 40a and 40b are alternately positioned, and
A set of four engaging pieces 40a are positioned symmetrically with this,
40b is arranged. Therefore toothed belt 3
4 moves half a turn, guide rail 1
All four empty bobbins 2 suspended from the guide rails 16a, 16b are discharged from the guide rails 16a, 16b. In addition, in order to reliably stop the toothed belt 34 at a predetermined position, a set of four engaging pieces 40a, 40b are provided.
Of these, the engagement piece 40a protruding from the rearmost part in the direction of movement of the toothed belt 34 is connected to the other three engagement pieces 40b.
The tip is formed longer than the support member 11.
It is detected by a phototube (not shown) installed inside the motor 37, and the drive of the motor 37 is stopped based on the signal.

Furthermore, on the right side of the frame 5, an empty bobbin 2 placed vertically on a trolley 3 is connected to an empty bobbin hanging device 1.
A reflective phototube PH1 is placed on the bracket 4 to detect whether the phototube PH1 is placed in a lower position facing the
1, and the cylinder 7 is actuated by a detection signal from the phototube PH1.

Next, the operation of the apparatus configured as described above will be explained. When the cart 3 on which the empty bobbins 2 are vertically loaded is carried below the empty bobbin hanging device 1, the cart 3 is moved along the guide rail 4 by an intermittent feed device (not shown). Then, empty bobbin 2 in the first row
is placed in a position corresponding to the empty bobbin hanging device, the phototube PH1 detects the empty bobbin 2, the cylinder 7 is activated based on the detection signal, the piston rod 9 is projected downward, and the empty bobbin is suspended. Device 1 begins to descend. As shown in FIG. 6, the empty bobbin hanging device 1 is lowered to the other guide rail 16b.
When the cam roller 30 attached to the rotating lever 26 attached via the bracket 25 contacts the cam 29, the rotating lever 26 receives an upward force, and as shown by the chain line, the other guide rail 1
6b is rotated outwardly around the hinge 17 against the spring force of the torsion spring 18 together with the rotating lever 26 and the bracket 25. Other guide rail 1
When the lever 6b is rotated outward, a lever 23 connected at one end to a support bracket 20 fixed to the inner surface of the guide rail 16b via a support shaft 20a
The other end moves downward along the elongated hole 21a of the regulation bracket 21 via the connecting pin 24, and one end is connected to the connecting pin 24 while the other end is fixed to the inner surface of one guide rail 16a. One guide rail 16 is moved by the action of a lever 22 connected to a support bracket 19 via a support shaft 19a.
a is also rotated outward about the hinge 17 against the spring force of the torsion spring 18.

Continuing to descend from the position shown by the chain line in FIG. 6, the tips of both guide rails 16a and 16b pass through the flange portion 2a of the empty bobbin 2, and the engagement between the cam roller 30 and the cam 29 is released. Then, both guide rails 16a and 16b are rotated back inward by the spring force of the torsion spring 18, and both guide rails 16a and 16b are rotated back inwardly by the spring force of the torsion spring 18, as shown on the lower side of FIG.
The operation of the cylinder 7 is stopped in a state in which the tips of the cylinders 6a and 16b are located below the flange portion 2a.

After a limit switch (not shown) confirms that the piston rod 9 has protruded to a predetermined position, the cylinder 7 is activated, the piston rod 9 is retracted, and the empty bobbin hanging device 1 begins to rise. When the empty bobbin hanging device 1 rises slightly, both guide rails 16a and 16b come into contact with the lower surface of the flange portion 2a of the empty bobbin 2, as shown by chain lines in FIG. 7, and from this state, the empty bobbin hanging device 1 When further rises, the empty bobbins 2 are pulled up while being suspended between the guide rails 16a and 16b, and as the cylinder 7 stops operating, the four empty bobbins 2 are moved to the engagement piece 40a as shown in FIG. , 40b.

When the empty bobbin hanging device 1 is raised, the rotating lever 26
When the cam roller 30 at the tip comes into contact with the cam 29, a downward force is applied to the rotating lever 26. Both guide rails 16a and 16b are configured to be integrally rotatable via the levers 22 and 23 and the connecting pin 24 as described above, and one guide rail 16
Since the inner surface of a is in contact with the regulating bracket 21, it is regulated so that it cannot rotate inward from the state shown in FIG.
is rotated clockwise about the shaft 27 against the spring force of the torsion spring 28, as shown by the solid line in FIG. It will rise to the position shown.

As shown in FIG. 8, when the return of the piston rod 9 to the predetermined position is confirmed by a limit switch (not shown), the motor 37 is driven and the drive pulley 38 is moved to the eighth position via the pulleys 38, 36 and the belt 39. The toothed belt 34 is rotated clockwise in the figure to move in the direction of the arrow in the figure. Due to the movement of the toothed belt 34, the empty bobbin 2, which had been suspended and supported between both guide rails 16a and 18b, is engaged with the engaging pieces 40a and 40b, and is pushed by the engaging pieces 40a and 40b, so that the empty bobbin 2 is suspended between the guide rails 16a and 18b.
a, 16b to the left in FIG. 8, and is transferred and discharged outside the bobbin hanging device 1. At this time, the engagement piece 40a is detected by a phototube (not shown) installed at a predetermined position, and the drive of the motor 37 is stopped by the detection signal, and the toothed belt 34 is reliably stopped at the predetermined position after traveling half a revolution. . Further, an intermittent feeding device (not shown) is activated by the detection signal from the phototube, and the carriage 3 is moved to a position where the next row of empty bobbins 2 corresponds to the empty bobbin hanging device 1. Thereafter, the empty bobbins 2 vertically loaded on the truck 3 are sequentially discharged from the truck 3 in the same manner as described above.

It should be noted that the present invention is not limited to the above-mentioned embodiment, but can also be implemented as a suspension device for a full bobbin.

Effects As detailed above, according to the present invention, the structure is simple and bobbins stacked vertically on a conveyance means such as a trolley can be reliably loaded and unloaded. It has an excellent effect of being extremely effective in promoting work automation.

[Brief explanation of drawings]

FIG. 1 is a front view showing an embodiment embodying the present invention, FIG. 2 is a side view, FIG. 3 is a partially cutaway front view, and FIG. 4 is a sectional view of an empty bobbin hanging device. Figure 5 is an enlarged perspective view of the main part, also partially cut away.
Figure 6 is a sectional view showing the action when the empty bobbin hanging device descends, Figure 7 is a sectional view showing the action when the empty bobbin hanging device is raised, and Figure 8 is the empty bobbin hanging device. It is a partially cutaway front view showing the state. Empty bobbin hanging device...1, cylinder...7, support member...11, front wall...11a, rear wall...11b, guide rail...16a, 16b, regulation bracket...2
1, Bracket...25, Rotating lever...26, Cam...29, Cam roller...30, Drive pulley...32,
Driven pulley...33, toothed belt...34, engaging pieces...40a, 40b.

Claims (1)

[Scope of Claims] 1. A pair of guide rails that are rotatably attached to the lower ends of a pair of parallel supporting parts and whose lower ends are bent inwardly, and from the parallel state of both guide rails. A regulating member for regulating inward rotation, and a cam roller at one end that is rotatably supported by a bracket provided on the outside of the guide rail and capable of engaging with a cam disposed at a predetermined position. a bobbin hanging device including a rotating lever that is rotatably biased so that its end comes into contact with the inner surface of the guide rail; a lifting device for raising and lowering the bobbin hanging device; and both of the supporting parts. A transfer device is provided between the bobbin suspension device and the bobbin suspension device so that the bobbin can be moved up and down integrally with the bobbin suspension device, and is configured to transfer the bobbin suspended and supported between both guide rails along the guide rail. Bobbin hanging transfer device. 2. The bobbin suspension transfer according to claim 1, wherein the transfer device is an endless belt having an engaging piece protruding from its outer peripheral surface that can engage with a flange portion of the bobbin. Device.