JPH0613167Y2 - Auto splicer - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to the end side of a roll base paper which is loaded on one of the support arms of a mill roll stand and whose feeding is completed, and the other end of which is loaded on the other support arm. The start end of the roll base paper that is waiting to start feeding out is attached via double-sided tape and these roll base papers are spliced together, so that they are sequentially loaded into both bearing arms of the mill roll stand. The present invention relates to an improvement of an auto splicer, which is an automatic paper splicing device that can continuously supply the base paper from the roll base paper.

[Conventional technology]

The automatic splicer, which is an automatic paper splicing device, is to be loaded on one of the support arms of the mill roll stand and the feeding supply is terminated, and the other end of the roll base paper is loaded on the other support arm to start the feeding supply. By sticking the starting end of the roll base paper on standby with double-sided tape and joining these roll base papers, the roll base papers that are sequentially loaded into both support arms of the mill roll stand can be fed out and supplied. It is intended to be able to continue.

Usually, the splicing of each roll base paper by the auto splicer is performed as follows. That is, a pair of suction heads are provided corresponding to a pair of roll base paper loaded on both support arms of the mill roll stand, and the pair of suction heads face each other with a predetermined gap therebetween. It is usually arranged in the above position. Then, the base paper is fed out from one roll base paper through this gap, and the other roll base paper which is next fed out during the feed out is provided corresponding to this roll base paper. While the suction end of the other suction head is adsorbed at its start end,
It waits in a state where the double-sided tape is attached to the side opposite to the suction surface of the starting end portion. In such a state, when the roll base paper being fed out is running low, the feed supply of the roll base paper is temporarily stopped, and the suction surface of the suction head provided corresponding to the roll base paper is on standby. By advancing to a position where it is pressed against the suction surface of the suction head, this advancing movement causes the paper surface near the end of the feeding base paper and the start end of the roll base paper that is adsorbed by the suction surface of the other suction head to stand by. It is attached via a double-sided tape attached to the starting end. In this way, after the paper surface near the end portion of one roll base paper and the paper surface of the start end portion of the other roll base paper are pasted, they are arranged at the retracted position from the suction surface of the suction head that has moved forward. The cutter knife is advanced and moved, and the remaining portion of the paper just behind the pasting portion of the roll base paper, which has been completely supplied, is cut so that the joint portion of the paper is cut and aligned. Then, the suction of the suction head corresponding to the roll base paper which is to be started to be supplied is released, and the base paper is continuously supplied and supplied from the continuous roll base paper.

In the auto splicer consisting of such paper splicing means,
As shown in the outline of FIG. 4, the conventionally known one has a suction surface 30a of one suction head 30 and a suction surface 3 of the other standby suction head 31 facing the suction surface 30a.
The suction head advances and retreats for adhering the roll base paper P by advancing to a position where the roll base paper P is pressed against the position 1a, and trims the remaining part of the paper just behind the pasting part of the roll base paper that has been supplied. It is the actual situation that the forward / backward movement operation of the cutter knife 32 for adjusting the forward / backward movement operation is adjusted by the cylinders 34, 35 which are separately driven forward / backward.

[Problems to be solved by the device]

In view of the above situation, an object of the present invention is to provide an auto splicer capable of adjusting the timing of the forward / backward movement operation of the suction head and the cutter knife by the forward / backward drive of the same cylinder.

[Means for Solving the Problems]

In order to achieve the above object, in the auto splicer of the present invention, the suction head and the cutter knife are attached together to the feed table which is moved forward and backward in the direction of the other suction head opposed to each other by driving the cylinder. More specifically, the suction head is installed on the feed table so as to be slidable in the same direction as the advancing / retreating direction of the feed table, and a spring body installed between the suction head and the feed table is installed. The blade tip portion of the cutter knife fixed to the feed table is biased to the retracted position with respect to the suction surface of the suction head by the spring pressure, and the suction surface of the suction head moved forward as the feed table moves forward When the advancing surface of the other suction head is pressed and its advance movement is stopped, the cutting edge of the cutter knife fixed to the feed table is moved from the retracted position biased by the spring pressure of the spring body to the spring pressure. The suction head is configured to be able to further advance and move relative to the stop position of the suction head.

[Action]

Since the auto-splicer of the present invention is configured as described above, when there is little remaining base paper fed out from one roll base paper through the gap between the pair of suction heads, it is installed corresponding to this roll base paper. When the feed table on which the suction head is installed is moved forward, the suction head and the cutter knife are moved forward along with the forward movement. Then, in the middle of this advance movement, the suction head is pressed against the suction surface of the other suction head arranged so that the suction surface of this suction head faces each other, and the starting end portion of each roll base paper is bonded via the double-sided tape. The advance movement is stopped at the pressed position. On the other hand, since the cutter knife is fixed to the feed table which is further moved forward by resisting the spring pressure with respect to the stop position of the suction head whose advance movement has been stopped, the blade edge portion thereof is When the advance movement is stopped, the timing is shifted and the movement is relatively further advanced,
By the pressure contact operation of each suction surface, the remaining part of the paper just behind the pasting part of the roll base paper, which has been stuck to the starting end of the other roll base paper, has been cut, and the joint part of the paper is cut and aligned. .

〔Example〕

 Examples will be described with reference to the drawings.

In FIGS. 1 and 2, reference numerals 1 and 2 denote a pair of suction heads provided corresponding to a pair of roll base papers P1 and P2 respectively loaded on both support arms of a mill roll stand (not shown). The pair of suction heads 1 and 2 are mounted on a pair of bases 4 and 5 installed so as to be able to advance and move on an installation rail 3 provided above the loading position of the roll base papers P1 and P2. 5a, each of which is attached to each of the supporting bases 6 and 7, and is usually disposed at a position where the suction surfaces 1a and 2a are opposed to each other with a predetermined gap A therebetween, as shown in FIG. Then, one roll base paper P1 (the roll base paper on the left side in FIG. 1) is fed out through the gap A through the guide rolls 8a, 8b and the feeding rolls 9a, 9b, and is fed out. During the supply, the other roll base paper P2 (the right roll base paper in FIG. 1) which is next fed out and supplied starts to the suction surface 2a of the other suction head 2 provided corresponding to the roll base paper P2. Its starting point P
2a is adsorbed, and the double-sided tape T is stuck on the side opposite to the adsorbing surface of the starting end P2a. still,
Next, when the starting end P2a of the roll base paper P2 whose feeding is started is adsorbed to the adsorbing surface 2a of the suction head 2 and the double-sided tape T is attached to the starting end P2a, the erection rail 3 is installed. 1 is moved backward along the erection rail 3 from the position indicated by the solid line in FIG. 1 to the position indicated by the alternate long and two short dashes line, and at this retracted position, the suction head 2 is moved together with the support base 7 from the base 5 via the shaft 5a. It is inverted as shown by the arrow to the position of the chain double-dashed line, and the starting end P2a of the roll base paper P2 replenished at this reversing position is adsorbed to the adsorbing surface 2a of the suction head 2 and the double-sided tape T is attached to this starting end P2a. To wear. The starting end portion P2a of the roll base paper P2 adsorbed on the adsorbing surface 2a is cut and aligned by inserting a knife along the knife guide groove 2b formed on the upper part of the adsorbing surface 2a. After the work is completed, the suction head 2 is returned to the solid line position and stands by. As a result, the work of adsorbing the starting end portion P2a of the roll base paper P2 to the adsorbing surface 2a of the suction head 2 and the work of attaching the double-sided tape T can be made more efficient. In FIG. 1, reference numeral 10a,
Although 10b, 10c and 10d are guide rolls, the feeding of the paper in the paper splicing part is temporarily stopped at the time of the paper splicing described later. At that time, the guide roll 10b arranged on the right side in the drawing. , 10d are moved to the left side to enable continuous feeding of paper in the direction of arrow E.

Next, with reference to FIG. 3, the suction heads 1 and 2 described above have their suction surfaces 1a and 2a separated from each other by a predetermined gap A through the raw paper fed from one roll raw paper P1. It is configured such that one suction surface 1a is relatively advanced and moved so that one suction surface 1a can be pressed into contact with the other suction surface 2a from the disposition positions facing each other. Also, 15,
Reference numeral 16 is a cutter knife attached to each of the support bases 6 and 7, and these cutter knives are provided corresponding to each of the suction heads 1 and 2, and each of the suction surfaces 1
It is arranged slightly in the direction opposite to the feed direction of the base paper with respect to the pressure contact positions of a and 2a.

Reference numeral 17 is a feed base, and the feed base 17 is the support base 6
The cylinder 19 is slidably supported on a support rail 18 and is connected to a driving end of a rod 10a of a cylinder 19 mounted on the support 6. The rods 19a are arranged to face each other by advancing and retracting the rod 19a. The other suction head 2
It is configured to move back and forth in the direction.

Both the suction head 1 and the cutter knife 15 are attached to the feed base 17. More specifically, the suction head 1 is installed on the feed base 17 so as to be slidable in the same direction as the advancing / retreating direction of the feed base 17, and the suction head 1 and the feed base 17 are connected to each other. Due to the spring pressure of the spring body 20 installed between the blades, the cutting edge of the cutter knife 15 fixed to the feed table 17 is biased to the retracted position with respect to the suction surface 1a of the suction head 1. More specifically, the suction head 1 is provided with slide shafts 21 on both side wall surfaces of the suction head 1 via brackets 22a and 22b. The slide shafts 21 are attached to both end portions of the feed base 17. By being slidably fitted in the fitting hole 23a of the slide body 23 projecting upward, it is possible to slide with respect to the feed base 17 in the same direction as the forward / backward movement direction of the feed base 17. It is configured. Then, the slide body 23 and the bracket 22 attached to the rear side
the suction surface 1a of the suction head 1 by the spring pressure biased in the compression direction of the coil spring 20 installed between
On the other hand, the blade portion of the cutter knife 15 fixed to the feed table 17 is urged so as to be arranged in the retracted position. Then, as indicated by the solid line in FIG. 3, the suction surface 1a of the suction head 1 that has moved forward with the advance movement of the feed table 17 is brought into pressure contact with the suction surface 2a of the other suction head 2 and its forward movement is stopped. In this state, as shown by the chain double-dashed line in FIG. 3, the cutting edge of the cutter knife 15 fixed to the feed table 17 moves from the retracted position biased by the spring pressure of the spring body 20 to the spring pressure. It is configured so as to resist and further advance relative to the stop position of the suction head 1. In the figure, 25 is a knife guide body, and 26 is a paper pressing member for pressing the vicinity of the paper surface to be cut against the knife guide body 25 to ensure cutting.

Since the auto-splicer of the present invention is configured as described above, when the amount of the base paper fed out from one roll base paper P1 through the gap A between the pair of suction heads 1 and 2 becomes small, this roll base paper is used. A feed table 1 on which a suction head 1 provided corresponding to P1 is installed.
When 7 is moved forward, the suction head 1 and the cutter knife 15 are moved forward with this forward movement. Then, in the middle of this advance movement, the suction head 1 is brought into pressure contact with the suction surface 2a of the other suction head 2 arranged so that the suction surface 1a of this suction head 1 is opposed, and the suction head 1 moves forward to this pressure contact position. Is stopped. By this pressure contact, the end side of one roll base paper P1 is bonded to the start end portion P2a of the other roll base paper P2 that is on standby via the double-sided tape T. On the other hand, a cutter knife 1
No. 5 is fixed to the feed base 17 that further advances and moves relative to the stop position of the suction head 1 that has stopped advancing, and resists spring pressure, so that the blade edge portion of the suction head 1 is fixed. After the advance movement is stopped, the paper is moved further relatively with a timing shifted, and the remaining portion of the roll base paper P1 that has been completely supplied is cut off just behind the adhesive portion, and the joint portion of the paper is cut and aligned. This allows
The end portion of one roll base paper P1 and the other roll base paper P2
The end of the paper is spliced and the splicing is completed. Then, the suction of the suction head 2 corresponding to the roll base paper P2 whose supply is started from now is released, and the base paper is continuously supplied from the continuous roll base paper P2.

[Effect of device]

Since the present invention is configured as described above, it has the following effects.

When the suction surface of one suction head is pressed against the suction surface of the other suction head and its advance movement is stopped by the advancing / retreating drive of the same cylinder, the cutting edge of the cutter knife is moved to the advance movement of the suction head. The advance and retreat movements of the same cylinder can be adjusted by shifting the timing relative to the stop time, and eventually the same cylinder can be moved forward and backward to adjust the timing of the advancing and retreating movement of the suction head and the cutter knife.

[Brief description of drawings]

FIG. 1 is a front view showing the outline of the entire auto-splicer of the present invention, FIGS. 2 and 3 are enlarged front views showing the outline of the essential parts of the present invention, and FIG. 4 is the outline of the conventional auto-splicer. FIG. 1, 2 ... Suction head, 1a, 2a ... Suction head suction surface, 15, 16 ... Cutter knife, 1
7 ... Feeding base, 19 ... Cylinder, 20 ... Spring body.

Claims (1)

[Scope of utility model registration request] Claims: 1. A pair of roll base papers to be loaded on both support arms of a mill roll stand, corresponding to a pair of roll base papers. A pair of suctions which are arranged so as to face each other and are configured to be relatively moved forward and backward so that one suction surface can be pressed against the other suction surface via the base paper with the one suction surface interposed therebetween. A head and a pair of cutter knives that are provided corresponding to these suction heads and that are arranged slightly in the direction opposite to the feed direction of the base paper with respect to the pressure contact position of each suction surface, the suction head, It is installed so as to be slidable in the same direction as the advancing / retreating direction of the feed table on the feed table that is moved forward / backward in the direction of the other suction head opposed to each other by driving the cylinder, and The blade tip of the cutter knife fixed to the feed head is biased to the retracted position against the suction surface of the suction head by the spring pressure of the spring body installed between the feed head and the feed head. When the suction surface of the suction head moved forward with the advance movement is pressed against the suction surface of the other suction head and its advance movement is stopped, the cutting edge of the cutter knife fixed to the feed table is the spring body. The auto splicer configured to resist the spring pressure and further advance relative to the stop position of the suction head from the retracted position biased by the spring pressure.