JP3578496B2 - Loading truck spool transfer method and device - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to a method and an apparatus for transferring a spool of a loading cart, and more particularly, to transport a loading cart with a plurality of spools mounted to a vicinity of a creel stand, and automatically transfer the loading cart to a creel shaft of the creel stand. Also, the present invention relates to a method and an apparatus for transferring a spool of a loading cart, which can be easily transferred.
[0002]
[Prior art]
Conventionally, when transporting a spool box containing multiple spools around which steel cords used for reinforcing cords of tires are wound from the loading process to the creel stand, the spool boxes transported by a forklift are loaded onto the transport conveyor. After the operator corrects the position of the spool box on the transport conveyor, the spool box is transported to a predetermined position.
[0003]
Then, the plurality of sequentially transported spool boxes are stacked on a pallet transport trolley and transported to the vicinity of the creel stand, where the spools are taken out one by one from the spool box by an air lifter or the like, and sequentially placed on the creel shaft of the creel stand. I was hanging over.
[0004]
[Problems to be solved by the invention]
However, the weight of one spool around which a certain length of steel cord is wound is, for example, about 10 kg to 40 kg, and the number of such spools accommodated in one box is generally 72 pieces. Spool boxes containing spools, which are ~ 36 pieces, are quite heavy.
[0005]
It takes a lot of effort and time to move the worker on a pallet transport cart loaded with such a heavy spool box, and also takes out the spool from the spool box and hangs it sequentially on the creel shaft of the creel stand. There was a problem that it took a lot of trouble and time to deliver, and the work efficiency was extremely poor.
A method of transporting a plurality of spools to the vicinity of the creel stand by a trolley or the like and automatically wrapping the trolleys on the creel shaft of the creel stand from the trolley is also considered. As described above, the weight of one spool is 10 kg. A larger spool weighs about 40 kg and becomes heavier in the case of a larger spool, and it is a difficult operation to accurately position such a spool on the creel shaft of the creel stand and transfer it. Therefore, it is difficult to reliably transfer the image, and such a transfer method has been conventionally demanded.
[0006]
The present invention has been devised in view of such a conventional problem, and particularly, in the transporting process of the spool, the spool is transferred to a loading cart, and the spool transferred to the loading cart is transported to the vicinity of the creel stand. Then, the spool mounted on the loading trolley can be accurately and efficiently transferred to the creel shaft of the creel stand, thereby increasing the efficiency of the spool transfer operation. It is an object of the present invention to provide a transfer method and an apparatus therefor.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the present invention is a spool transfer device of a loading cart that transfers a plurality of spools held on the loading cart to a plurality of creel shafts of a creel stand,
On a frame-like support frame erected on the base of the loading cart, a plurality of rotating shafts are rotatably arranged in parallel at predetermined intervals in the vertical direction, and in parallel with this rotating shaft, A plurality of sets of two spool support shafts supporting the lower part of the spool are slidably inserted in the horizontal direction, and the rear ends of the respective spool support shafts are integrally connected by a connection bar. The plurality of sets of spool support shafts are configured to be able to advance and retreat through a rotation shaft via advance / retreat drive means, and the rotation shaft supporting the plurality of sets of spool support shafts is provided with an angle adjusting means for turning the rotation shaft by a predetermined angle. The gist of the invention is that the support frame is provided with a spool pushing means for pushing and transferring the spool on the spool support shaft to the creel shaft of the creel stand.
[0008]
Here, the rotating shaft is provided with spool fixing means for detachably fixing a spool mounted on a pair of spool supporting shafts to a support frame, and the spool is a pair of spools. The support shaft and the spool fixing means can be fixed by three-point support, and a positioning pin device for positioning the loading cart is provided below the support frame.
[0009]
Effect of the Invention
The present invention is configured as described above, and as a method of transferring a spool of a loading cart, a method of transferring a plurality of spools held by the loading cart to a creel shaft of a creel stand is provided. A plurality of spools are mounted on a pair of two or more horizontal sets of spool support shafts via a rotating shaft rotatably disposed on the loading cart, and the upper portion of the spool is spooled. After being fixed by the fixing means, the loading cart was transferred to a predetermined position of the creel stand and positioned and fixed, and in this state, a plurality of sets of spool support shafts were advanced to near the creel shaft of the creel stand via the reciprocating drive means. Thereafter, the plurality of sets of spool support shafts on which the spools are mounted are at least cleared via angle adjusting means. The spool is rotated slightly below the creel shaft of the stand and the insertion hole of the spool faces the creel shaft, and then the plurality of spools mounted on each spool support shaft are released from the spool fixing means. Then, a plurality of spools are extruded onto a creel shaft of a creel stand via a spool pushing means and transferred.
In here, the placing two pair of the spool on the spool support shaft in a horizontal multiple sets respectively, the plurality of spool resting on the spool support shaft of the plurality of sets, of creel stand It is simultaneously extruded and transferred to multiple creel shafts.
By carrying out such a spool transfer method, the spool mounted on the loading cart can be accurately and efficiently transferred to the creel shaft of the creel stand, and the efficiency of the spool transfer operation can be improved. As a result, the working time can be reduced and the working efficiency can be improved.
[0010]
DESCRIPTION OF THE PREFERRED EMBODIMENTS
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is a front view of a loading cart 10 and a creel stand 50 embodying the present invention, and FIG. 2 is a side view of the loading cart 10 taken along the line AA in FIG. The front wheel 13a is movably mounted on the rail 12 via wheels 13a and 13b, and one front wheel 13a is driven via a drive motor 14, a transmission mechanism 15 such as a pulley and a belt, and a clutch mechanism 16 as shown in FIG. A disc brake 17 is attached to the other rear wheel 13b to stop the loading truck 10 after stopping at a predetermined position.
[0011]
A frame-shaped support frame 19 on which a spool W on which a steel cord (not shown) of a predetermined length is wound as shown in FIG. 10 from the previous process is transferred onto a base table 18 of the loading cart 10. The support frame 19 has a plurality of (six in this embodiment) rotating shafts 21 arranged on the surface side of the support frame 19 in parallel at predetermined intervals in the vertical direction via bearings 20. It is arranged rotatably.
[0012]
As shown in FIGS. 1, 3 to 5, a plurality of sets of two spool support shafts 22 for supporting the lower portion of the spool W are provided on the rotary shaft 21 in the horizontal direction (two in this embodiment). One set of four sets is slidably inserted, and the rear end side 22b of the spool support shaft 22 is integrally connected by a connection bar 23.
Between the connection bar 23 and the rotating shaft 21, two forward / backward driving means 24 such as air cylinders for moving the spool support shaft 22 forward and backward through the rotating shaft 21 are interposed. The distal end side 22 a of the spool support shaft 22 is configured to advance and retreat toward the creel stand 50.
[0013]
One end of a rotating shaft 21 rotatably supported via the bearing 20 is connected to a rod 25a of an angle adjusting means 25 such as an air cylinder attached to the support frame 19 via an arm 25b. The rotating shaft 21 rotatably supported via the bearing 20 rotates by the expansion and contraction operation of the angle adjusting means 25, and at the same time, a plurality of sets of the spool supporting shafts 22 inserted through the rotating shaft 21 center around the rotating shaft 21. It is configured so that it can turn vertically and adjust its angle.
[0014]
A spool pusher 26 such as an air cylinder supported by the support frame 19 is horizontally mounted on the rotating shaft 21. The spool pusher 26 is attached to a spool W mounted on the spool support shaft 22. Are extruded so as to be respectively transferred to a creel shaft 51 of a creel stand 50 described later.
As shown in FIGS. 1 and 6, the flange Wa of the spool W mounted on the plurality of sets of spool support shafts 22 is fixed to the support frame 19 on the front side of the support frame 19. A fixed cylinder 29 such as an air cylinder is vertically fixed on the rotating shaft 21 via a bracket 28, and a tip of a rod 29 a of the fixed cylinder 29 is attached to the spool fixed means 27. The pin is connected to a base end of a fixed claw 31 swinging on the bracket 28 via a pin 30.
[0015]
The tip of the fixed claw 31 is formed in an L-shape and is engaged with the flange portion Wa of the spool W. The spool W mounted on the support shaft 22 is locked or released.
As shown in FIGS. 7 and 8, a positioning pin device 32 of the loading cart 10 is attached to a lower center portion on the rear side of the support frame 19. A positioning cylinder 33 is attached vertically downward, and a projection 35 that can be engaged with an engaging portion 34 provided on a side surface of the guide rail 12 is attached to a tip of a rod 33 a of the positioning cylinder 33.
[0016]
Therefore, when the loading cart 10 has entered the predetermined position near the creel stand 50 in the next step along the guide rail 12, a detecting means (not shown) detects the detection and activates the positioning cylinder 33, and the leading end of the rod 33a. The projection 35 provided on the side surface of the guide rail 12 is engaged with an engagement portion 34 provided on a side surface of the guide rail 12 to perform positioning at a predetermined position.
[0017]
Next, as shown in FIG. 1, the creel stand 50 has a stand 53 vertically erected on a base plate 52, and a plurality of creel stands 50 mounted on the loading cart 10 on front and rear surfaces of the stand 53. A plurality of creel shafts 51 which bridge the spool W are mounted upward at a predetermined angle, and wire guide rollers 55 are mounted on the creel shafts 51 via brackets 54, respectively.
[0018]
Next, a method of transferring a plurality of spools W mounted on the loading cart 10 to the creel shaft 51 of the creel stand 50 will be described.
First, the loading cart 10 in which a plurality of spools W (see FIG. 10) transferred from the previous process are respectively mounted on a pair of spool support shafts 22 is transferred to a predetermined position of the creel stand 50. Then, after positioning and fixing via the positioning pin device 32, the spool support shaft 22 on which the spool W is mounted is moved to the creel shaft 51 of the creel stand 50 via the advance / retreat driving means 24 as shown in FIG. Advance to near.
[0019]
Thereafter, the spool support shaft 22 is rotated by a predetermined angle (at least in this embodiment) to a position slightly below the creel shaft 51 of the creel stand 50 and substantially opposite to the insertion hole O of the spool W via the angle adjusting means 25. About 4 °).
In this state, after the spool W is released by the spool fixing means 27, the spool pushing means 26 is extended and the spool W on the spool support shaft 22 is inserted into the creel shaft 51 of the creel stand 50 and transferred. is there.
[0020]
The diameter of the creel shaft 51 of the creel stand 50 and the inner diameter of the insertion hole O of the spool W are formed so as to have as little clearance as possible, and the insertion of the spool W placed on the spool support shaft 22 is performed. The hole O and the center of the creel shaft 51 of the creel stand 50 are always desired to coincide with each other. However, since there is mechanical accuracy (installation accuracy of a large number of creel shafts 51) and bending of the creel shaft, at least The distal end 51a is positioned so as to be located above the insertion hole O of the spool W. The insertion hole O of the spool W pushed out by the spool pushing means 26 is easily inserted into the creel shaft 51 of the creel stand 50.
[0021]
As a comparative example, a spool insertion pin 60 as shown in FIGS. 12 to 14 is provided on the loading cart 10 instead of the spool support shaft 22, and the insertion hole O of the spool W is inserted through the spool insertion pin 60. 12, the center of the tapered tip 51a of the creel shaft 51 of the creel stand 50 and the tip of the spool insertion pin 60 of the loading cart 10 always coincide with each other as shown in FIG. If not, the insertion hole O of the spool W cannot be easily inserted into the creel shaft 51 of the creel stand 50, and as shown in FIG. If the angle α with the tip of the insertion pin 60 is shifted, or if the axis is Can not be easily inserted caught, especially in the case of the spool W of wide width is to appear particularly remarkably.
[0022]
Therefore, as a method for supporting the spool W as in the present invention, if the spool W is mounted on the pair of spool support shafts 22, the positioning between the insertion pin and the insertion hole O of the spool W is simplified, and the transfer is facilitated. The loading operation can be performed efficiently.
[0023]
【The invention's effect】
The present invention has the following advantages because it is configured as described above. (a) Efficient and automatic transfer and transfer of spools without manual intervention I can do it.
(b). The working time can be reduced, and the working efficiency can be significantly improved.
[Brief description of the drawings]
FIG. 1 is a front view of a loading cart and a creel stand embodying the present invention.
FIG. 2 is a side view taken along the line AA of FIG.
FIG. 3 is a plan view showing an attached state of a spool support shaft.
FIG. 4 is a side view taken along the line BB of FIG. 3;
FIG. 5 is a front view as viewed in the direction of arrows CC in FIG. 3;
6 is a front view showing a part of the angle adjusting means of the spool support shaft. FIG. 7 is a front view of a positioning pin device of the loading cart.
FIG. 8 is a side view of FIG. 7;
FIG. 9 is an explanatory view showing a method of transferring a spool of a spool support shaft to a creel shaft of a creel stand.
FIG. 10 is a perspective view of a spool implemented in the present invention.
FIG. 11 is a partially enlarged front view showing a step of transferring a spool of a spool support shaft to a creel shaft of a creel stand.
FIG. 12 is an explanatory diagram showing a comparative example of a method of transferring a spool to a creel shaft of a creel stand. FIG. 13 is an explanatory diagram showing a comparative example of a method of transferring a spool to a creel shaft of a creel stand. FIG. 14 is an explanatory diagram showing a comparative example of a method of transferring a spool to a creel shaft of a creel stand.
DESCRIPTION OF SYMBOLS 10 Loading cart 11 Base 18 Base stand 19 Support frame 20 Bearing 21 Rotary shaft 22 Spool support shaft 23 Connecting bar 24 Reciprocating drive means 25 Angle adjusting means 25a Rod 25b Arm 26 Spool pushing means 27 Spool fixing means 28 Bracket 29 Fixed cylinder 31 Fixed Claw 32 Positioning pin device 50 Creel stand 51 Creel shaft 55 Wire guide roller W spool

Claims (5)

A method for transferring a plurality of spools held by a loading cart to a creel shaft of a creel stand, wherein the spool is a method of transferring a spool of a loading cart , via a rotating shaft rotatably disposed on the loading cart. A plurality of spools are placed on a set of two horizontal spool support shafts, and the upper part of the spool is fixed by a spool fixing means, and then the loading cart is transferred to a predetermined position of a creel stand. After positioning and fixing, and in this state, a plurality of sets of spool support shafts are advanced to near the creel shaft of the creel stand via advance / retreat driving means, the plurality of sets of spool support shafts on which the spools are mounted are adjusted in angle. Through the means, at least slightly below the creel axis of the creel stand, and the insertion hole of the spool is aligned with the creel axis. Swivel to the opposing position, then release the plurality of spools mounted on each spool support shaft from the spool fixing means, and then connect the plurality of spools to the creel shaft of the creel stand via the spool pushing means. A method of transferring a spool of a loading cart, wherein the spool is extruded and transferred. The spools are respectively mounted on a pair of two horizontal spool supporting shafts, and the plurality of spools mounted on the plural sets of spool supporting shafts are mounted on a plurality of creels of a creel stand. The method of transferring a spool of a loading cart according to claim 1, wherein the loading cart is simultaneously extruded and transferred onto a shaft. A spool transfer device of a loading cart for transferring a plurality of spools held by the loading cart to a plurality of creel shafts of a creel stand, respectively.
On a frame-like support frame erected on the base of the loading cart, a plurality of rotating shafts are rotatably arranged in parallel at predetermined intervals in the vertical direction, and in parallel with this rotating shaft, A plurality of sets of two spool support shafts supporting the lower part of the spool are slidably inserted in the horizontal direction, and the rear ends of the respective spool support shafts are integrally connected by a connection bar. The plurality of sets of spool support shafts are configured to be able to advance and retreat through a rotation shaft via advance / retreat drive means, and the rotation shaft supporting the plurality of sets of spool support shafts is provided with an angle adjusting means for turning the rotation shaft by a predetermined angle. linked, wherein a support frame, a spool transfer device of the loading carriage, characterized in that a spool pushing means causes extrusion transferred to the creel shaft of the creel stand spool on the spool support shaft The rotating shaft is provided with spool fixing means for detachably fixing a spool mounted on a pair of spool support shafts to a support frame, and the spool is a pair of spool support shafts. 4. The spool transfer device for a loading cart according to claim 3, wherein the device can be fixed by three-point support with a spool fixing means . The spool transfer device for a loading cart according to claim 3 or 4, wherein a positioning pin device for positioning the loading cart is provided below the support frame .

Images