JPH033264Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The device of this invention relates to a roll paper cutter that automatically winds up and cuts roll paper to a required width when used, such as toilet paper or kitchen roll paper.

Conventional technology For toilet paper, a holder is used to rotatably support the paper around the core shaft, the paper is pulled out to the required width from the tip, and the front edge of the cover connected to the top half of the paper also serves as a cutter. The paper is cut by placing the base end of the paper drawer against it. Also, in the case of roll paper used as a dish towel in the kitchen, most of the paper is peeled off directly and then cut into shreds.

Problems to be Solved by the Invention Even when using a holder, it is necessary to use both hands to roll up and cut the roll paper to the required width. Also, since the withdrawal width is not constant, it is easy to withdraw too much money.

Means to solve the problem: A feed-out roll that grips and feeds out the roll paper drawer part that is rotatably supported, and an arm bar that is placed side by side at a required interval, rotates with the middle as a fulcrum, and the paper feed-out part is In an automatic roll paper cutter consisting of a winding frame for flat winding and a cutter disposed between the feeding roll and the winding frame, the paper feeding section is placed above or below the winding frame in the rotation path of the winding frame. The roll paper is characterized in that a guide is provided to guide the paper inward, and a hook is provided at a proper location on the same surface outside of at least one arm bar of the winding frame so as to be rotatable in the paper pulling direction. It's on the automatic cutter.

Example Below, this invention will be explained using an example in which this invention is implemented in a toilet paper holder.A toilet paper 1 has a base end fixed to a base 2 and a collar 3 on the outer periphery.
It is supported by a support shaft 4 fitted with a rotatable member. The support shaft 4, like the support shaft 4a of the second embodiment shown in FIG. 9, is configured to be rotatably set by falling into the bearing grooves 5, 5 after the toilet paper 1 is fitted therein. It's also good.

Reference numeral 6 denotes a paper feed roll, whose base end is supported by a core shaft 34 which is supported by the base 2, rotates by a pulley 7 on the core shaft, and is fitted around the outer periphery at a required interval. The rubber rings 8 come into contact with the pull-out portion 1a of the paper 1, and are drawn out downward by frictional force.

Reference numeral 9 denotes a right guide plate, which constitutes the right side of the V-shaped guide path 18 that guides the drawn-out portion 1a of the paper 1 to the delivery roll 6.

Reference numeral 10 denotes a feeding plate, which is integrally connected to the left guide plate 11 constituting the left side of the V-shaped guide path 18 on its upper edge, and has a shaft support 10a protruding from its back surface, and a support shaft that projects vertically. 12 and is supported on a bearing rod 15. This support rod 15 is always supported at its base end so as to be able to swing from side to side around a vertical shaft 13 provided on the base plate 2, and is also supported by a tension spring 14 on the side of the feeding roll 6.
is attracted and biased. Separated from the feed roll 6, V
When opening the shape guide path 18, the tip end 15a of the support rod 15 is provided so as to engage with the engagement groove 17 of the locking plate 16 and maintain this state.

Reference numeral 19 denotes a cutter, which is provided with a fixed base blade 20a whose base end is fixed to the base 2 and a movable blade 20b whose base end is pivotally supported by a support plate 21 provided on the back surface of the base 2 by a pivot shaft 22. At the same time, the movable blade 20
The rear and lateral extensions of b are provided on an integral connecting rod 23 from the pivot point, and this connecting rod 23 is connected to the actuating pin 26 of the actuating plate 25 installed on the back side of the base 2 to control the action of the actuating plate 25. Transmits and operates, double-edged 20
The feeding portion 1b of the paper 1 fed out between a and 20b is cut.

Reference numeral 27 denotes a paper winding frame, which is formed in a U-shape in plan, and whose base end is formed in the center of the shaft support 27a, and which is connected to the winding shaft 2.
8 is fixed, and a hook 29 with a protruding tip is provided on the outer peripheral surface of one of the left and right arm bars 27b, 27c.

As shown in the enlarged explanatory diagram of FIG.
are connected and biased toward one side so that the tip of the hook 29 protrudes at right angles, and is easily hooked onto the paper feeding portion 1b, and is supported by the arm bars 27b, 27c.
When removing the winding paper from the
It is provided so that it can be removed from the paper. Hanging claw 29
As shown in FIG. 7, a plurality of them may be provided at the front and rear.

The winding frame 27 is operated by the rotation of the winding shaft 28, returns the hook 29 to the horizontal position on the left side, and stops.

32 is a guide spring plate, and the lower end is a feeding roll 6.
The lower end of the paper 1 is guided into the rotation path of the winding frame 27. Then, when the paper 1 is hooked onto the feeding portion 1b and wound up the required number of times, the paper 1 is moved back by the tension of the paper 1 to the position indicated by the phantom line in FIG. 1, and spring pressure is applied.

As shown in FIG. 8, an arcuate guide 33 may be provided below the winding frame 27 so that the unwinding end of the paper 1 is guided toward the center of the winding frame 27. Core shaft 34 of feeding roll 6 and winding frame 2
When the button switch 35 is pressed, the battery 37 is input to the motor 36, and the winding shaft 28 of No. 7 is rotated. This rotation is transmitted to the cam gear 39 by the reduction transmission gear 38.
2, the cam portion 40 is connected and rotated to the receiving pin 43 on the actuating plate 24 which is being pulled to one side, and the movable blade 20 is actuated as described above. The cam gear 39 has teeth 39
a is meshed with the speed-increasing transmission gear 44 to transmit rotation to the winding shaft 28, and the winding frame 27 is rotated. The belt 46 connects the large pulley 45 of the winding shaft 28 to the pulley 7.
The rotation is transmitted to the feed roll 6, and the feed roll 6 rotates.

The cam gear 39 is provided with a depression hole 47,
When the control plate 49 of the contact switch 48 is depressed, the motor circuit is opened, and when the control plate 49 is released and the side circumference is rubbed, the motor circuit is closed. Although the rotation of the winding shaft 28 and the operation of the cutter 19 are related to each other by gears and cams in the embodiment described above, it is of course possible to operate a plurality of motors under the necessary control using an IC circuit.

Since this device is as described above, the toilet paper 1 is fitted into the holder shaft composed of the collar 3 and the support shaft 4, the end of which is pulled out, and the toilet paper 1 is placed between the dispensing roll 6 and the backing plate 10. Press and set it. To cut, press the button switch 35, the motor 36 will rotate, and the cam gear 3 will rotate.
9 is engaged with the speed increasing gear 43, the winding shaft 28 is transmitted, the feeding roll 6 is rotated to feed out the paper 1, and the winding frame 27 is rotated to hook the paper feeding portion 1b to the hook 29. It is something that you hook and turn up. When the winding frame 27 rotates for the required number of times, the teeth 29a pass and the winding frame 2
7 stops. In particular, the winding frame 27 is connected to the feed roll 6 which is stopped in pressure contact with the contact plate 10 by a belt 46,
It is held horizontally without rotating. Then, the cam gear 39 further rotates and rotates the operating plate 25, so that the movable blade 20 is activated and cuts the paper 1 at the middle between the feeding roll 6 and the winding frame 27 in the feeding section 10. Then, the upper end of the feeding portion 1b is pushed back onto the winding frame 27 by the action of the guide spring plate 32, and is cut into flat rolled paper 1c. Therefore, the flat rolled paper 1c is removed from the winding frame 27 for use.

Effects of the idea This idea is as described above, so
Once set, just press the button switch,
The roll paper can be easily wound into a flat roll of the required width and cut up to the final part, which can be removed from the winding frame and used, which is very convenient. Further, by changing the rotational speed of the winding shaft using a speed change means, the number of flat windings can be increased or decreased, and the winding can be adjusted as desired and used without waste. In addition, since the winding frame is equipped with a hook, the paper can be caught without failure and can be wound up reliably, and it will not be damaged when removed from the winding frame.
It can be removed smoothly.

[Brief explanation of the drawing]

The drawing shows an embodiment in which this invented device is implemented in a toilet paper holder.
The figure is a front view, some of which is shown with temporary lines, Figure 2 is a right side view, Figure 3 is a left side view, Figure 4 is an explanatory diagram showing the rear mechanism with the rear view cover removed, and Figure 5 is an explanatory diagram showing the rear mechanism with the cover removed. A perspective view of the main parts of the winding and cutting mechanism, FIG. 6 is an enlarged explanatory view of the hook provided on the arm bar of the winding frame, FIG. 7 is an explanatory diagram of the case where there are two hooks, and FIG. 8 9 is an explanatory diagram showing an example of a guide for the winding frame rod at the tip of the roll paper, and FIG. 9 is a partially cutaway side view showing an example of the bearing of the roll paper holder shaft. 1...Toilet paper, 2...Base, 6...
...paper feeding roll, 10... feeding plate, 15... support rod, 16... hanging plate, 17...
Engagement groove, 18... V-shaped guide path, 19... cutter, 27... winding frame, 27b, 27c... arm bar,
28... Winding shaft, 29... Hanging claw, 32... Guide spring plate, 33... Arc-shaped guide, 35... Button switch, 36... Motor, 37... Battery.

Claims (1)

[Scope of utility model registration request] A feed-out roll that grips and feeds out a roll paper drawer section that is rotatably supported, and a winding frame that has arm bars arranged in parallel at required intervals and rotates around the middle as a fulcrum to flatten the paper feed section; In an automatic roll paper cutter consisting of a feed roll and a cutter disposed between a winding frame, a guide is provided above or below the winding frame to guide the paper feeding section into the rotating path of the winding frame. In addition, the automatic roll paper cutter is characterized in that a hook protruding laterally is provided at a suitable location on the outer peripheral surface of at least one arm bar of the winding frame so as to be rotatable in the paper pulling direction.