JP4410300B1 - Continuous production method of coreless toilet paper roll - Google Patents

Abstract

Toilet paper roll is obtained by automatically and continuously winding toilet paper on a take-up shaft.
When a toilet paper roll is completed by winding the toilet paper base paper on a take-up shaft, the toilet paper base paper is cut, and at the same time, air is applied to the leading end surface of the remaining toilet paper base and air is jetted by an air nozzle. Wrap the tip of the toilet paper atom around the take-up shaft, and wrap the toilet paper base paper around the take-up shaft.
[Selection] Figure 6

Description

  The present invention relates to a method for continuously producing a large number of coreless toilet paper rolls from toilet paper base paper.

  Conventionally, when many individual coreless toilet paper rolls are manufactured from toilet paper base paper (hereinafter referred to as base paper), the base paper is cut each time one toilet paper roll (hereinafter referred to as paper roll) is manufactured, and then further When the paper roll is manufactured, the work is interrupted during the process from starting the work of winding the base paper on the new take-up shaft. It has to be redone, and has the disadvantage of increasing accidents and failures.

Japanese Patent No. 3791551

  It is an object of the present invention to obtain a method for continuously producing a number of paper rolls from a base paper and automatically producing the next paper roll each time one paper roll is produced.

In the present invention, when the toilet paper base paper is wound on the winding shaft, the rotation speed of the rider roll is increased for a moment, thereby applying tension to the toilet paper base paper and cutting the toilet paper base paper. The next take-up shaft positioned between the second take-up rolls is moved to a predetermined position between both take-up rolls by moving the second take-up roll slightly downward, and the remaining toilet paper base sheet remaining. The air from the wrapping air nozzle is sprayed on the front end surface of the paper, and the front end surface of the toilet paper base paper is wound around the next winding shaft. From the continuous manufacturing method for coreless toilet paper rolls, in which toilet paper is wrapped around the take-up shaft after removing moisture That.
In that case, when the next winding shaft positioned between the first winding roll and the second winding roll is moved to a predetermined position, the rotational speed of the second winding roll is reduced to reduce the winding shaft. Can be pushed into a predetermined position.

  The present invention starts winding a base paper on a winding shaft, finishes winding the base paper on the winding shaft, completes one paper roll, and automatically and continuously performs the next winding to make a large number of papers. Since the roll can be manufactured, the manufacturing efficiency is high, and the effects that are unprecedented in terms of manufacturing time and manufacturing cost can be achieved.

  When the base paper is wound and cut, it is only necessary to increase the rotational speed of the rider roll in use, and it is more effective if a cutter is used in combination to further ensure the cutting.

  When cutting the base paper, it is cut along the perforations of the base paper, so that it is easy to cut and can be cut accurately along the perforations.

  Since continuous winding can be realized by performing air jetting by the air nozzle and spraying by the spray nozzle in a timely manner, it can be performed by a simple device without preparing a special device.

  When moving the take-up shaft between the first take-up roll and the second take-up roll to a predetermined position, use the difference in rotational speed between the two rolls and move the second take-up roll slightly. Since it is realized simply by making it possible, the equipment cost can be reduced.

Explanatory drawing which shows the place which has located the winding shaft between the 1st winding roll and the 2nd winding roll. Explanatory drawing which shows the place which started winding, moving a winding shaft to the left, arrange | positioning in a predetermined position. Explanatory drawing in winding a base paper on a winding shaft. Explanatory drawing which shows the place which wound the base paper to the winding shaft, and completed one paper roll. Explanatory drawing which shows the place which cut the completed paper roll and sprayed the winding air nozzle Explanatory drawing which shows the place which discharged | emitted the completed paper roll and started winding a base paper to the next winding shaft continuously.

  As shown in FIG. 1, the base paper 1 is passed through a perforation imparting roll 2, perforated, and guided to the lower side of the first winding roll 3 positioned below.

  Therefore, after the take-up shaft 4 is moved to the left from the shaft supply unit 15, the take-up shaft pushing cam 8 moves the take-up lever 9 between the first take-up roll 3 and the second take-up roll 6 at the tip of the push lever 9. Then, the base paper 1 is wound between the first and second winding rolls 3 and 6 with the winding shaft 4 interposed therebetween.

  When the operation is started, the rotational speed of the second winding roll 6 is decelerated for a certain period of time, and a force for moving the winding shaft 4 to the left as shown in FIG. 2 is applied, and the winding shaft 4 is moved to the position shown in FIG. Move to. In this case, the push lever 9 is moved by the rotation of the take-up shaft push cam 8 on the rolling wheel 13 that rolls on the take-up shaft push cam 8. The push lever 9 rotates around a fulcrum 19.

  When the winding shaft 4 passes between the two winding rolls 3 and 6, the second winding roll 6 moves slightly downward to pass the winding shaft 4 to the left.

  Thus, the take-up shaft 4 continues to rotate at that position by the first take-up roll 3, the second take-up roll 6 and the rider roll 7, but first, it faces the leading end surface of the base paper 1 guided to the take-up shaft 4. Then, the spray nozzle 10 is sprayed, the base paper 1 is guided onto the take-up shaft 4, and the base paper 1 is started to be wound around the take-up shaft 4.

  Then, for a while, moisture is applied to the base paper 1 on the take-up shaft 4 by the spray nozzle 10, and as shown in FIG. After water is applied to the required thickness, normal winding is performed.

Of course, the inner diameter portion of the paper roll 16 to which moisture has been applied is solidified with moisture, thereby preventing the deformation of the mold.
Therefore, FIG. 3 shows a state where normal winding is performed thereafter.

  Next, when the thickness of the paper roll 16 increases as shown in FIG.

  In the rider roll 7, the rolling wheel 17 that rolls on the rider winding diameter control cam 11 rolls on the cam 11 around the fulcrum 21, thereby operating the lever 18 to increase the diameter of the paper roll 16. It corresponds to.

  When the base paper 1 is wound around the winding shaft 4 to complete one paper roll 16, and the perforation S of the base paper 1 reaches, for example, the position S in FIG. 4, the rotational speed of the rider roll 7 is accelerated momentarily. . As a result of the acceleration, tension is applied to the base paper 1 on the surface of the paper roll 16, and the base paper 1 is cut along the perforations S, and the cut lines are neatly formed along the perforations. FIG. 5 shows this state.

  As described above, when the base paper 1 is wound on the winding shaft 4 and cut to complete one paper roll 16, the paper roll 16 starts to move downward on the guide 18. 5, the winding shaft 4 is positioned between the first winding roll 3 and the second winding roll 6, so that the rotational speed of the second winding roll 6 is reduced for a certain period of time. Then, the winding shaft 4 is moved to the left, and the winding shaft 4 is moved to the position shown in FIG. 6 while winding the base paper 1. Also at this time, the winding shaft 4 is allowed to pass by moving the second winding roll 6 somewhat downward.

  Thus, the take-up shaft 4 again rotates between the first take-up roll 3, the second take-up roll 6 and the rider roll 7, and comes into contact with these rolls to fully roll the base paper 1. The next paper roll 16 is manufactured.

  Thus, a coreless toilet paper roll can be manufactured automatically and continuously.

  When the paper roll 16 is completed and discharged after winding the base paper 1 on the take-up shaft 4, it is performed while applying braking to the sudden drop by the stopper 14.

  That is, when the base paper 1 is wound on the winding shaft 4 and one paper roll 16 is completed, the base paper 1 is cut by the above method, and the instantaneous winding shaft 4 is at the next rotational position, The next base paper 1 is wound around the take-up shaft 4 by the winding air nozzle 5, and the winding of the base paper 1 onto the next take-up shaft 4 is started by applying moisture to the spray nozzle 10.

  When the base paper 1 is wound around the take-up shaft 4 to complete one paper roll 16 and cut the base paper, the rotation speed of the rider roll 7 is accelerated momentarily and the base paper 1 is cut. In order to make the process more reliable, a separate cutter 22 may be used together, or the base paper 1 may be cut using only the cutter 22. In that case, when the rotation of the rider roll 7 is accelerated, the cutter 22 is lowered toward the perforation, and returns to a fixed position after being cut.

DESCRIPTION OF SYMBOLS 1 Toilet paper base sheet 2 Perforation giving roll 3 First winding roll 4 Winding shaft 5 Winding air nozzle 6 Second winding roll 7 Rider roll 8 Winding shaft pushing cam 9 Pushing lever 10 Spray nozzle 11 Rider winding diameter control cam 13 Rolling wheel 14 Stopper 15 Shaft supply part 16 Toilet paper roll 17 Rolling wheel 18 Lever 19 Support point 20 Support point 21 Support point 22 Cutter S Perforation

Claims (2)

When the toilet paper roll has been wound on the winding shaft, the rotation speed of the rider roll is increased for a moment to apply tension to the toilet paper roll to cut the toilet paper roll, and at the same time the first roll and the second roll. The next winding shaft positioned between the rolls is moved to a predetermined position between the two winding rolls by moving the second winding roll slightly downward, and on the leading end surface of the remaining toilet paper base paper. The air from the wrapping air nozzle is jetted to wind the leading edge of the toilet paper base around the next winding shaft. At first, water is applied to the toilet paper base using the spray nozzle for an appropriate period of time. A continuous manufacturing method for coreless toilet paper rolls in which toilet paper base paper is wound around a take-up shaft.   When the next take-up shaft positioned between the first take-up roll and the second take-up roll is moved to a predetermined position, the rotation speed of the second take-up roll is lowered to bring the take-up shaft into a predetermined position. The continuous manufacturing method of the coreless toilet paper roll according to claim 1, which is pushed in.

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