JP2003048656A - Sheet carrying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a carrying device capable of effectively scraping off sheets carried by belt and pulley means. SOLUTION: This sheet carrying device carries sheets such as bills by the belt and pulley means. The sheets are held between a first belt of a first belt and pulley means, and a second belt of a second belt and pulley means, and both belts are propelled at equal speed to carry the sheets. The second belt has U-grooves opened at a specified interval to be released in an advance direction, and U-shaped tongues are formed there.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to banknotes, checks,
Other securities, printed paper, mail, direct mail, and other thin paper (sheets) are aligned and stacked.
The present invention belongs to the technical field of a sheet conveying device for storing sheets.

[0002]

2. Description of the Related Art Conventionally, in this type of conveying apparatus, when continuously conveying at a high speed, it is possible to surely convey the sheets one by one due to vacuum property between sheets or induction of static electricity, and other points. In response to the required quality that the sheets are stored in the storage means in an orderly manner without causing jamming between the seats, there are few that can handle this.

For example, in Japanese Unexamined Patent Publication No. 5-286594 (Publication 1), sheets conveyed by rollers are received one by one by an impeller having a large number of curved blades, and are collected in a stacking unit. A device adapted to be integrated is described.

According to the known example 1, a wide space is required for providing an impeller having a large number of curved blades, and a paper sheet is provided between a conveying portion such as a roller or a belt and a large number of blades of the impeller. Needed to be sent reliably.

Further, Japanese Unexamined Patent Publication No. 6-56331 (known example 2) describes an invention using an impeller provided with a plurality of blades made of an elastic material and having different lengths.

It can be said that the known example 2 improves the conventional impeller to prevent jamming and achieves efficient storage, but the impeller cannot avoid a large space loss.
In addition, there is also a concern about a defect due to poor rotation.

[0007]

The problem to be solved by the present invention is, first and foremost, to provide a conveyor belt which is creatively designed to smoothly scrape off a sheet.

Another problem to be solved by the present invention is to provide a compact product by omitting the impeller.

Still another problem to be solved by the present invention is to dispose the U-shaped groove tongues of the belt for conveying the sheet in at least double rows to prevent the belt from wobbling. It is to provide a product that can be transported in a straight line.

[0010]

The specific means and functions according to the present invention for solving the above-mentioned problems are as follows.

(1) A device for transporting a sheet such as a bill by a belt / pulley means, which comprises a first belt of a first belt / pulley means and a second belt of a second belt / pulley means. The sheet is sandwiched between them, and both belts are propelled at a constant speed so that the sheet can be conveyed. The first belt is a flat belt, and the second belt is a flat belt that travels at a required interval. A sheet conveying device characterized in that a U-shaped groove opened in a direction is opened to form a U-shaped tongue portion.

Therefore, the sheet conveyed by the belt / pulley means is U in the front region of the belt / pulley means.
It can be scraped off by the character-shaped tongue and can be smoothly accommodated in the stacking section. Further, since the impeller can be omitted, it is compact and cost can be reduced.

(2) Third and fourth belt / pulley means are provided adjacent to each other so that a sheet can be carried into the first / second belt / pulley means, and the first and second belt / pulley means are provided. With respect to the sheet conveying path of the means, the third,
The sheet conveying apparatus according to (1) above, wherein the sheet conveying paths of the fourth belt / pulley means are arranged in a non-parallel manner.

Therefore, the seat is composed of the third and fourth belts.
Effectively from the second transport path in the pulley means to the first,
The second belt / pulley means can be carried into the first conveying path.

(3) The above-mentioned (1), wherein the U-shaped tongue portions are arranged in a double row in the width direction of the second belt.
(2) A sheet conveying device according to any one of the items.

Therefore, it is possible to prevent the belt from wobbling which may occur during the conveyance of the sheet.

(4) The sheet conveying apparatus according to (3), wherein the U-shaped tongue portions are arranged in a staggered manner.

Therefore, the sheet can be continuously and effectively scraped off.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing the embodiments thereof.

(Embodiment 1) 1. In FIG. 1, for example, a bill processing machine schematically displayed,
The conveying device 100 for the sheet S received from the sheet supplying means SP in a device for continuously conveying the sheet at high speed such as a packaging machine or a printing machine is the first belt.
A pulley means 10 and a second belt / pulley means 20 are included, and the belt / pulley means 10 and 20 are arranged so as to face each other in a staggered manner as shown in FIG.
The first and second pulleys 12 and 22 are synchronously forcibly driven while the sheet S is sandwiched between the first belt 11 and the second belt 21, and the first and second belts 11 and 21 are equalized. The sheet S is configured to be conveyed at a high speed.

Further, the first and second belts 11 and 21
Each of them is made of a flexible and elastic material such as a rubber or a soft plastic material into a flat belt shape. In particular, the second belt 21 which is an essential part of the present invention has a structure shown in FIG.
A U-shaped groove 211 opened in a direction indicated by an arrow A is opened at a predetermined interval to form a U-shaped tongue portion 21.
Forming 2.

The U-shaped tongue portions 212 are arranged adjacent to each other in the width direction of the second belt 21.

As will be described later in the section of "Action", the U-shaped tongue 212 is provided on the second belt 21 and is undulated autonomously when it is turned at the position of the second pulley 22. Therefore, it is preferable that the second belt 21 is made of a plastic material that has a strong elastic restoring force and does not easily deteriorate.

Further, the first belt / pulley means 1
The leading end of 0 extends further forward than the leading end of the second belt / pulley means 20, and in front of the second belt / pulley means 20, a sheet storage means (container for receiving the sheet S is provided. ) 30 is provided.

DR in FIG. 1 indicates a driving means such as a motor for driving the first and second pulleys 12 and 22 at a constant speed.

2. Operation Next, the operation of the device 100 when in use will be described.

As described above, the first and second belt / pulley means 10, 2 forcibly driven by the driving means DR.
The first and second pulleys 12 and 22 of 0 are driven at a constant speed to propel the first and second belts 11 and 21 at a constant speed.

In this state, the sheet S supplied from the sheet supply means SP is sandwiched between the first and second belts 11 and 21 and propelled, and the second belt / pulley means 2 is provided.
It is carried out from the front of 0, and is sequentially stored in a container 30 in the form of a stack, but this point is not significantly different from the conventional product.

The second belt means 2 forming the essential point of the present invention
0 will be described in detail with reference to FIG.

That is, the sheet S nipped between the first and second belts 11 and 21 and conveyed in the direction of arrow A is
As the end of the belt pulley means 20 of
When the second belt 21 is curved along the circumference of the second pulley 22, the U-shaped tongue 212 autonomously stands up in the tangential direction of the outer circumference of the second pulley 22 (first state P
1).

As a result, the sheet S existing at the position of the U-shaped tongue portion 212 is lifted and separated from the second belt / pulley means 20.

When the second belt 22 is further swung in this state, the U-shaped tongue portion 212 is sequentially moved to the second to second portions.
The sheets S are displaced in the upright direction to the fourth states P2 to P4, during which the sheets S are urged by the U-shaped tongue portion 212 to be scraped forward, and are sequentially stacked and accommodated in the container 30 located below them. Will be done.

Next, at the position where the second belt 21 is separated from the second pulley 22 and moves backward, the U-shaped tongue portion 21 is formed.
2 returns horizontally as shown in the fifth state (P5),
It reaches a position which becomes a part of the flat belt, is propelled rearward, and can wait for the succeeding sheet S.

As is apparent from this, the sheet S is conveyed by the first and second belt and pulley means 10 and 20, and is forwarded by the U-shaped tongue portion 212 toward the front of the second belt and pulley means. First and second belts 11, 12
Since it is dissociated from the sheet, is effectively scraped off, and is housed in the container 30 in a laminated form, it is possible to safely avoid jamming and stack feeding.

(Embodiment 2) 1. Means A characteristic feature of the apparatus 100A according to the second embodiment shown in FIG. 4 is that the sheets S supplied from the supply means SP are third and fourth sheets.
Hold it between the belt and pulley means 30A, 40A,
The first and second belt / pulley means 10A, 20A
The first and second belt / pulley means 10A, 20A.
The second sheet feeding path L2 of the third and fourth belt / pulley means 30A, 40A is arranged in a non-parallel shape (bent shape) with respect to the sheet feeding path L1.

2. Action In addition to the contents of the first embodiment, the sheet S is urged by the U-shaped tongue portion 212A on the second belt 21A so as to be scraped by the above-described means, and the first and second belts. The sheet is inserted into the first sheet feeding path L1 between 11A and 21A.

Therefore, the conveyance of the sheet S by the first and second belt / pulley means 10A, 20A becomes more reliable.

In the above description of the first and second embodiments, the U-shaped tongue portions 212 and 212A are arranged in multiple rows in the width direction of the second belts 21 and 21A as shown in FIG. Although it was provided, the example shown in FIG. 5 is considered as an example of the design change.

That is, in FIG. 5, the U-shaped tongue portion 21
2, 212A are arranged in a staggered manner in the width direction of the second belts 21, 21A.

By this, continuous and more stable scraping of the sheet S can be achieved.

[0041]

The effects of the present invention described above are as follows.

Sheets can be effectively scraped off and stored in an array.

The sheet can be scraped off continuously.

Since the impeller can be omitted, the size can be reduced and the cost can be reduced.

[Brief description of drawings]

FIG. 1 is a side view of a first embodiment of the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a partially enlarged side view of the main part of FIG.

FIG. 4 is a side view of the second embodiment of the present invention.

FIG. 5 is a plan view showing an example of design change of a second belt.

[Explanation of symbols]

100 (A) Sheet conveyor 10-40 First to fourth belt and pulley means 11-41 1st-4th belt 211 U-shaped groove 212 U-shaped tongue L1, L2 First and second sheet conveyance paths S sheet

Claims (4)

[Claims] 1. A device for transporting a sheet such as a banknote by means of a belt / pulley means, comprising a first belt of a first belt / pulley means and a second belt of a second belt / pulley means. The first belt is a flat belt and the second belt is a flat belt in a traveling direction at a required interval. A sheet-conveying device characterized in that a U-shaped groove opened to the inside is opened to form a U-shaped tongue. 2. A third and a fourth belt / pulley means are provided adjacent to each other so that a sheet can be carried into the first and the second belt / pulley means, and the first and the second belt / pulley means. 2. The sheet conveying device according to claim 1, wherein the sheet conveying paths of the third and fourth belt / pulley means are arranged non-parallel to the sheet conveying path of FIG. 3. The U-shaped tongue portion is arranged in a double row in the width direction of the second belt.
A sheet conveying device according to any one of claims 1. 4. The sheet conveying device according to claim 3, wherein the U-shaped tongue portions are arranged in a staggered manner.