JPS6066720A - Paper winder - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a paper roll machine in which a roll paper is rotatably supported via a support shaft between left and right walls where the top and bottom walls are substantially cut out.

Conventional Structure and Problems Conventional paper rolls of this type have been structured as shown in FIGS. 1 to 9. That is, in the figure, 1 is a main case, and this main case 1 has a hollow part 3 in the left and right walls 2 where the upper and lower walls are almost cut out, and inside this hollow part 3 there is a cylindrical shape as shown in FIG. The first bearing portion 4 is integrally formed. Further, an opening 5 is provided in the rear part of the main case 1. 6 is a concave notch provided on the inner surface side of the left and right walls 2 of the main case 1, R is a U-shaped groove provided on the upper part of the inner surface of the left and right walls 2, 8 is a paper cutting board; Page This paper cutting board 8 is provided with shaft portions 9 at both rear ends, and is rotatably supported by fitting the shaft portions 9 into the U-shaped groove portion 7. 10 is a back plate that closes the rear opening 6 of the main case 1; this back plate 10 closes the rear opening 5 of the main case 1;
from behind and secure with four screws 11. Further, the back plate 10 has standing walls 12 on the left and right sides, and a second wall having a cylindrical shape.
The vertical wall 12 faces the concave notch 6 of the main case 1, and the second bearing part 13 is formed integrally with the first bearing part 4 of the main case 1. The opposing shaft 014 is a support shaft for supporting roll paper.
This support shaft 14 is rotatably supported by fitting rotation shafts 142L provided on both sides into the first bearing portion 4 and the second bearing portion 13, respectively. Also, the spindle 1
4 has its tip portion projected inward from the concave notch 6 in the main case 1. 15 is the main case 1
This is a tongue integrally formed at the root of a support shaft 14 located inside the hollow part 3 of the left and right walls 2.The tongue 16 has slits 16 on both sides to provide elasticity, and has a support shaft at the tip. A bent portion 15a protruding outward from the outer circumferential surface of 14.
is formed.

In the above configuration, when assembling the paper roller, first,
The first
The rotating shaft 14a of the support shaft 14 is fitted into the bearing part 4 of the main case 1, and from this state the back plate 10 is fitted into the rear opening 5 of the main case 1 from behind and fixed with the screws 11. 1o
The second bearing portion 13 in the rotation axis 14 of the support shaft 14
&, the support shaft 14 is rotatably supported by the first bearing portion 4, and the vertical wall 12 faces the concave notch portion 6 of the main case 1. After that, the shaft part 9 of the paper cutting board 8 is fitted into the U-shaped groove part 7 to be rotatably supported.Also, when the roll paper is attached to this paper winder, as shown in FIG. When the roll paper 17 is inserted in the direction indicated by the arrow, the support shaft 14 is pushed by the end face of the roll bar 17 and rotates in the direction indicated by the dotted line in the direction indicated by the arrow B as shown in FIG.

A tongue portion 15 formed at the root of the support shaft 14 as a result of this rotation.
When the bent portion 15+L is in pressure contact with the inner wall 3a of the hollow portion 3 on page 25 of the left and right walls of the main case 1, and the support shaft 14 is in the solid line state, the tongue portion 15 is in contact with the support shaft 14.
Since the outer peripheral surface of the tongue part 15 is curved inwardly, the tongue part 15
When the center core 17L of the roll paper 17 is aligned with the support shaft 14 and the external force applied to the support shaft 14 is removed, the support shaft 14 is moved by the elastic force of the tongue 15. Rotate in the direction of arrow C in Figure 9 to remove roll paper 1.
However, in the above-mentioned conventional configuration, when the roll paper 17 is inserted, the support shaft 14 is inserted into the center core 17a of the paper roll 17 and rotatably supports the roll paper 17. There were problems such as the configuration being free.

Purpose of the Invention In view of the above-mentioned conventional problems, the purpose of the present invention is to solve the problem of the roll paper once inserted into the spindle being accidentally removed, and the rattling noise caused by the play of the spindle.Page 6 shall be.

Structure of the Invention In order to achieve the above object, the present invention provides a bottle located in the hollow part of the main case at the base of a spindle for supporting roll paper, and a coil spring is wound around the outer circumference of the bottle.
Bend one end of this coil spring and hook it to the spindle,
The other end is pressed against the inner wall of the hollow part of the main case so that its elastic force is always applied to the support shaft, and when the tip of the support shaft is rotated upward by pushing up the roll paper, The spindle is rotated downward by the elastic force of the coil spring to fit into the core of the roll paper. With this configuration, the elastic force of the coil spring is always applied to the spindle, so the roll The paper is supported reliably, and as a result, problems such as the roll paper inserted into the spindle being accidentally removed or rattling noises caused by play in the spindle can be resolved. Description of an Embodiment An embodiment of the present invention will be described below with reference to FIGS. 10 to 18, page 7. Note that in FIGS. 10 to 18, parts that are the same as those in the conventional example are given the same numbers, and only the points that are different from the conventional example will be explained. That is,
Reference numeral 21 denotes a support shaft for supporting the roll paper 17, and this support shaft 21 has a coil spring 22b wound around the outer circumference of a pin 22& provided on both sides of the base.
One end of 2b is bent and hooked onto the end of the support shaft 21, and the other end is made straight and pressed against the inner wall of the hollow part 3 of the main case 1, so that the support shaft 21 is always in the state shown by the solid line in FIG. The elastic force is applied to the support shaft 21 so that the following is achieved. Further, the tip of the support shaft 21 projects inward from a concave notch 6 provided on the inner surface of the left and right walls 2 of the main case 1.

In the above configuration, when assembling the cigarette machine, first, the pin 22& provided at the base of the support shaft 21 is fitted into the first bearing portion 4 provided in the hollow portion 3 in the left and right walls 2 of the main case 1, From this state, the back plate 1o is fitted into the rear opening 5 of the main case 1 from behind and fixed with screws 11. In this case, the second bearing part 13 on the back plate 1° is fitted onto the pin 22 & of the support shaft 21, and the second bearing part 13 is connected with the first bearing part 4 to the support shaft 2.
Standing walls 12 that rotatably support the main case 1 and are integrally formed on the left and right sides of the back plate 1o face the concave notch 6 of the main case 1. Thereafter, the shaft portion 9 of the paper cutting board 8 is fitted into the U-shaped groove portion 7 and is rotatably supported.

When the roll paper 17 is attached to this paper winder, as shown in FIG. 18, when the roll paper 17 is inserted from the direction of the arrow, the support shaft 21 is pushed by the end surface of the roll paper 17 and becomes As shown, it rotates in the direction of arrow B from the state shown by the solid line. In this case, a pin 22 is provided upright so as to be perpendicular to the root of the support shaft 21 and protrude in the left-right direction.
A coil spring 22b is wound around the outer circumference of the main case 1, and one end of the coil spring 22b is bent and hooked onto the end of the support shaft 21, and the other end is made straight and pressed against the inner wall of the hollow part 3 of the main case 1. , when the support shaft 21 is pushed in the direction of arrow B,
An even stronger elastic force that attempts to return the support shaft 21 to its original state is applied to the coil spring 22b. When the center core 172L of the roll paper 17 is aligned with the support shaft 21 and the external force applied to the support shaft 21 is removed, the support shaft 21 is rotated in the direction of arrow C by the elastic force of the coil spring 22b, and the roll paper is 17 center core 17
It is inserted into 2L and rotatably supports the roll paper 17.

Effects of the Invention As described above, according to the present invention, when the tip of the spindle is rotated upward by pushing up the roll paper, elastic force is imparted to the coil spring wound around the outer circumference of the pin of the spindle, In addition, since the support shaft is configured so that the elastic force of the coil spring is always applied, the roll paper is reliably supported by this elastic force. This eliminates the occurrence of rattling sounds caused by the play of the spindle.

[Brief explanation of drawings]

Fig. 1 is a top view of a conventional cigarette maker, Fig. 2 is a front view of the cigarette maker, Fig. 3 is a side view of the same, Fig. 4 is a cross-sectional view taken along the line C-C on page 210, and Fig. 5 is a sectional view taken along line D-D in Figure 2, Figure 6 is a sectional view taken along line D-D in Figure 1, Figure 7 is an exploded perspective view of the cigarette holder, and Figure 8 is a perspective view of the spindle in the cigarette holder. 9 is a partial sectional view showing the operating state when the paper roll is installed in the paper roll, FIG. 10 is a top view of the paper roll showing an embodiment of the present invention, and FIG. 11 is a top view of the paper roll showing an embodiment of the present invention. Figure 12 is the same side view, Figure 13 is the C/C of Figure 11.
14 is a sectional view taken along line D'-D' in FIG. 11, FIG. 16 is a sectional view taken along line E/1/ in FIG. 1o, and FIG. 16 is an exploded perspective view of the cigarette holder. FIGS. 17a and 17b are a longitudinal sectional view and a side sectional view of the periphery of the support shaft in the paper maker, and FIG. 18 is a partially sectional front view showing the operating state when the paper maker is equipped with roll paper. 1...Main case, 2...Left and right walls, 3.
...Hollow part, 4...First bearing part, 6.
...Opening, 8...Paper cutting board, 1o...
... Back plate, 13... Second bearing part, 17...
... Roll paper, 17a ... Core, 21
......Spindle, 22 &...Pin, 22b.
...Coil spring. Name of agent: Patent attorney Toshio Nakao and 1 other person @1
Figure 4 Figure 0 Figure 5 Ja. Figure 9 Figure 10 Figure 11 -- BRIR Figure 17 (α) Figure 18 (υ)

Claims (1)

[Scope of Claims] A main case having a hollow part provided in the left and right walls by substantially notching the upper and lower walls, a first bearing part provided in the hollow part, and an opening in the rear part; a back plate which forms a second bearing part opposite to the bearing part of the main case and is attached to the rear opening of the main case; and a back plate rotatably provided on the upper left and right walls of the main case. a paper-cutting board that partially protrudes inward from the left and right walls of the main case, and is rotatably supported in an upward direction by the first bearing section and the second bearing section. A support shaft is provided, and a pin located in a hollow portion is provided at the base of the support shaft, a coil spring is wound around the outer periphery of the pin, and one end of the coil spring is bent and hooked to the support shaft. The other end was pressed against the inner wall of the hollow part of the main case so that its elastic force was constantly applied to the spindle, and the end of the first two pages of the spindle was rotated upward by pushing up the roll paper. The paper winder is configured such that the tip of the support shaft is rotated downward by the elastic force of the coil spring to fit into the core of the roll paper.