JPS5938915B2 - Continuous paper feeder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a feeding device that uses sprocket wheels to feed continuous paper.

Nowadays, in order to process huge amounts of information, companies etc.
By combining a computer that stores and calculates information and a printer that records information on paper such as slips according to the information output from this computer, the paper is made into a continuous form of multiple sheets.
A system has been developed that records information on each sheet of paper while continuously feeding the continuous paper.

In this system, a feeding device using a sprocket wheel is installed to feed continuous paper, and the continuous paper has a number of single holes successively formed in the longitudinal direction of the side edge. The continuous paper is forcibly fed by engaging with the paper.

However, the single holes formed in this continuous paper are generally needed only when sending it, and are not needed for any other purpose other than sharing it when filing, and leaving it as is is for aesthetic reasons. There is a problem, and if perforations are formed in the paper for recording information, it is easy to confuse this with perforations.

Therefore, it is desirable that the side edge portion having the single hole be separated from the continuous paper after the continuous paper has been fed.

The present invention has been made in view of the above-mentioned circumstances, and it is an object of the present invention to provide a continuous paper feeding device that can simultaneously cut off at least one side edge portion having a single hole while feeding the continuous paper.

An embodiment of the present invention illustrated in the drawings will be described below. The figure shows an embodiment in which the feeding device of the present invention is combined with a system in which printing is performed by a printer while feeding continuous paper a fixed amount at a time.

In the figure, continuous paper 1 is in the form of a belt, and perforations 1a are formed along the width direction at positions having a predetermined length in the longitudinal direction to divide it into unit divisions, that is, unit slips 2, and both side edges have a predetermined width. perforations lb are formed in the longitudinal direction to divide the liners 3, 3, and the liners 3, 3 have a large number of single holes 4..., 4... at intervals in the longitudinal direction. is formed. In the figure, reference numeral 5 denotes a sprocket shaft provided along the width direction of the continuous paper 1 on the side of the feeding path of the continuous paper 1, for example.
, 3 are fitted with sprocket wheels 6, 6 and fixed by screws T, T. The outer peripheral surfaces of the sprocket wheels 6, 6 are formed as convex surfaces 6a, 6a which protrude in an arcuate cross-section, for example, and the pawl holes of the liners 3, 3 are formed at intervals in the circumferential direction at the center of the convex surfaces 6a, 6a. 4...
A plurality of protruding claws 8, 8 are provided to engage with . In the figure, reference numeral 9 denotes a cutter shaft provided facing the sprocket shaft 5, for example, on the upper side of the feed path for the continuous paper 1, and cutter wheels 10, 10 are fitted at both ends of the cutter shaft, facing the sprocket wheels 6, 6. and is fixed with screws 11,11. The cutter wheels 10, 10 have concave surfaces 10a, 10a having, for example, an arcuate cross section, formed on their outer peripheral surfaces so as to combine with the convex surfaces 6a, 6a of the sprocket wheels 6, 6. An annular groove 1 along the circumferential direction into which the pawls 8, 8 of the sprocket wheels 6, 6 are inserted.
2 and 12 are formed. Therefore, the convex surface 6a of the sprocket wheel 6 and the concave surface 10a of the cutter wheel 10 fit into each other with the liners 3, 3 of the continuous paper 1 in between, and the claws 8 of the sprocket wheel 6 engage with the cutter wheel 10.
The sprocket wheel 6 and the cutter wheel 10 rotate together in this assembled state. The sprocket wheel 6 is rotated by an electric motor (not shown) via the sprocket shaft 5, and the cutter wheel 10 is rotated in pressure contact with the sprocket wheel 6, or is rotated by the cutter shaft 9.
It is rotated by an electric motor via. In the figure, reference numerals 13, 13 are guides provided below the sprocket wheels 6, 6 to guide the separated liners 3, 3. The feeding device is configured in this way. The printer is installed after the feeding device in the feeding path of the continuous paper 1, and is connected to the platen 1.
4. Platen 1 by feed roller 15 and feed belt 16
4, and a cylindrical print head 18 which is installed on the carriage 17 and prints on the continuous paper 1.

Thus, the continuous paper 1 is folded into unit slips 2 and put in a paper box 19 provided at a stage before the feeding device, and is sequentially sent to the front of the feeding path from the leading end side.

The fed continuous paper 1 is placed between the sprocket wheels 6, 6, and the sprocket wheels 6, 6 and cutter wheels 10, 1 rotate the liners 3, 3 on both side edges thereof.
Position it so that it faces 0. Then, the pawls 8, 8 of the sprocket wheels 6, 6 are connected to the pawl holes 4 of the liners 3, 3...
, 4..., and as the sprocket wheels 6, 6 rotate, the pawls 8, 8 pull the liners 3, 3 forward, so the liners 3, 3 are connected to the sprocket wheels 6, 6 and the cutter wheels 10, 10. The entire continuous paper 1 is transported forward. sprocket wheel 6,
Since the convex surfaces 6a, 6a of the liners 6 and the concave surfaces 10a, 10a of the cutter wheels 10, 10 are combined with each other, the liners 3,
3 is the convex surface 6a, 6 of both wheels 6, 6 and 10, 10
a and the recesses 10a, 10a, when the liners 3, 3
is held between the convex surfaces 6a, 6a and the concave surfaces 10a, 10a, and a tensile force is applied in the arc direction of the sheet, and the sheet is pulled in the direction of separation from the continuous sheet 1. Moreover, the convex surfaces 6a, 6a and the concave surface 10a,
Each side edge of 10a is a liner 3 that is pulled in the direction of separation.
, 3, and applies shearing force between the liners 3, 3 and the continuous paper 1. When the liners 3, 3 pass between the sprocket wheels 6, 6 and the cutter wheels 10, 10 from these points, the perforations 1b, 1b of the liners 3, 3 are connected to the convex surfaces 6a, 6a and the concave surfaces 10a, 10a.
When the liners 3, 3 are located between the side edges of the continuous paper 1, the liners 3, 3 are cut from both sides of the continuous paper 1, using the perforations 1b, 1b as boundaries.
The cut liners 3, 3 are attached to the claws 8, 8 and the claw holes 4..., 4.
. . , is sent along with the rotation of the sprocket wheels 6, 6, guided downward by the guides 13, 13, and discarded. The continuous paper 1 from which the liners 3, 3 have been separated is sent between a platen 14 and a feed roller 15, and a print head 18 prints on the continuous paper 1 while the carriage 17 moves back and forth.

While the printing head 18 is printing, the continuous paper 1
It is necessary to stop the sprocket wheel 6.
, 6 are stopped and feeding is interrupted. In the above-described embodiment, a pair of cutter wheels are connected by a cutter shaft, but the cutter wheels may be operated individually.For example, the claw hole in one liner can also be used as a file hole. If so, only the liner on the unnecessary side may be separated. Furthermore, in the above-mentioned embodiment, liners were formed on both sides of the continuous paper, but the liner may be formed only on one side of the continuous paper, and in this case, a set of sprocket wheel and cutter wheel may be provided. .

The outer peripheral surfaces of the sprocket wheel and the cutter wheel only need to have a combination of convex and concave surfaces, and it is also possible to form a concave surface on the sprocket wheel and a convex surface on the cutter wheel. This feeding device can be used not only in combination with a printer, but also in a wide range of continuous paper feeding systems.
As described above, the present invention is not limited to the embodiments described above, and can be implemented with various modifications without changing the gist thereof. As explained above, the continuous paper feeding device of the present invention has a simple structure that skillfully combines a sprocket wheel and a cutter wheel, and can automatically separate the liner while feeding the continuous paper, making it easy for operators to This eliminates the need for the effort and process of separating the liner, allowing continuous paper to be fed effectively.

[Brief explanation of drawings]

Fig. 1 is a schematic configuration diagram showing an embodiment of a system using the feeding device of the present invention, Fig. 2 is a perspective view of the same, Fig. 3 is a plan view of the same, and Fig. 4 shows a sprocket wheel and a cutter wheel. FIG. 1...Continuous paper, 3...Liner, 4.
... pawl hole, 6 ... sprocket wheel, 6a ... convex surface, 8 ... pawl, 10 ...
...Katsuta wheel, 10a...Concave surface, 1
2... Circular groove.

Claims (1)

[Claims] 1. Continuous paper feed in which a liner having claw holes in the longitudinal direction of the side edge is formed through perforations, is fed by a sprocket wheel having a plurality of claws formed on the outer circumferential surface that engage with the claw holes in the liner. In the apparatus, a cutter wheel having a sprocket wheel having a convex or concave outer circumferential surface on which the plurality of pawls are formed, and a cutter wheel having a concave or convex outer circumferential surface opposite to the outer circumferential surface of the sprocket wheel. A continuous paper feeding device characterized in that the liner portion of the continuous paper is sandwiched between the sprocket wheel and the cutter wheel.