JPS593892Y2 - printing device - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a printing device that cuts roll paper into ticket-sized pieces and prints on them.

For example, when printing tickets for automatic ticket vending machines in railway operations, paper rolls are cut into ticket-sized pieces and ticket information is printed on them before being issued.However, the above-mentioned roll paper wrapper reduces the frequency of replacement. It is wound to a large diameter for this purpose.

Therefore, when the printing section and the wrapping body for the roll paper supplied thereto are configured on the same fixed wall surface, the above-mentioned wrapping body must be installed in the space above and in front of the printing section, and as a result, the roll paper wrapping body As mentioned above, since the diameter is large, the vertical height of the device becomes extremely bulky.

In addition, there are some machines that change the direction of the roll paper by 90 degrees by setting the axis of the roll paper wrapping body parallel to the transport direction of the roll paper in the printing section, but even with this structure, the larger the diameter of the wound roll, the more the roll of the device The size of the paper in the radial direction becomes large, and it is necessary to design the device in advance in accordance with the dimensions of the roll paper with the maximum diameter, which naturally increases the size of the printing device.

Therefore, the object of this invention is to provide a printing device that can be constructed compactly and with a reduced bulk by the diameter of the roll paper wrapping body.

According to the printing device of this invention, a roll paper wrapping body is provided on one side of the fixed wall and a printing section is provided on the other side, and the roll paper wrapping body is provided in a direction perpendicular to the conveyance direction of the roll paper in the printing section. The conveyance direction of the roll paper is changed by 180 degrees on a plane using a guide plate installed on the edge of the fixed wall, and the width of the rolled paper is the same as the width of the rolled paper and the held roll paper. Since they are arranged horizontally in parallel along the feeding direction perpendicular to the feeding direction, the printing section and the winding body can be arranged side by side in the horizontal direction, reducing the vertical height and reducing the depth of the device. Compared to a structure in which the paper rolls are provided on the same fixed wall surface or a structure in which a roll paper wrapper is provided parallel to the conveyance direction of the paper roll, the structure can be made more compact both in the feeding direction of the paper roll and in the vertical direction.

Moreover, the uppermost part of the guide plate is approximately trapezoidal in plan view,
In addition, the roll paper is configured such that when the guide plate contacts the guide plate from the bottom surface and the direction is changed by twisting 90 degrees, it contacts the top surface of the guide plate, and when the direction is changed by further twisting 90 degrees, it contacts the bottom surface. Therefore, it is possible to prevent the roll paper from sagging when changing direction, and it also prevents excessive force from being applied to the roll paper, allowing smooth feeding.

Further, since the guide plate is provided with a piece to prevent the roll paper from coming off, it is possible to prevent the roll paper being fed out from coming off the guide and getting caught in other parts, resulting in damage or clogging.

An embodiment of this invention having such characteristics will be described in detail below based on the drawings.

The drawing shows the printing device of a ticket issuing machine used for railway operations. Tickets are issued by cutting the roll paper used to make tickets into ticket-sized pieces, and printing ticket information on one side of the cut tickets using a thermal head. At the same time, ticket information is magnetically recorded on the other side.

The above-described printing apparatus cuts a roll paper 1 into ticket-sized pieces using a cutter 2, and prints ticket information on the cut tickets using a thermal head 3.

The above-mentioned roll paper 1 is fed to a feed roller 5 provided on one side of a fixed wall 4 with respect to a cutter 2 and a thermal head 3.
It is fed out by being held between the feeding pressure roller 6 and the feeding pressure roller 6 which is disposed opposite thereto and is urged by a suitable spring.

Note that 7 and 8 are guide plates provided above and below the feeding position.

The cutter 2 described above has a lower fixed blade 9 and an upper movable blade 10.
The movable blade 10 is moved up and down by a pin 11.

A swinging rod 13 is connected to the free end side of the movable blade 10 via a connecting rod 12. The other end of the swinging rod 13 is pivotally connected to the fixed wall 4 by a pin 14, and the intermediate portion is connected to a power source as appropriate. The rotating cam 15 comes into contact, and the rotation of the cam 15 causes the swinging rod 13 to move up and down, causing the movable blade 10 to move up and down to cut the roll paper 1.

This cutting is carried out immediately after the above-mentioned feed-out roller 5 has fed out the ticket-branch length.

In the figure, 16 is a biasing spring.

The thermal head 3 is held in a cantilevered manner by a fixed wall 4, and a platen roller 17 is provided opposite to its heat generation line.

The distance between the above-mentioned platen roller 17 and the cutting position of the above-mentioned cutter 2 is equal to the distance between the ticket and the cutting position.

A guide plate 18 is provided on the lower surface of the leading end side of the thermal head 3, and the guide plate 18 and the lower surface of the thermal head 3 guide the roll paper 1 toward the heating line side.

The transport rollers 19.20 are arranged at a distance slightly shorter than the ticket-branch length, and the respective transport rollers 19.2
0 is provided with pressure rollers 21 and 22 that are pressed by appropriate springs.

Note that the pressing rollers 21 are arranged opposite to each other through a through hole (not shown) in the thermal head 3.

The above-mentioned feeding roller 5 and the above-mentioned transfer rollers 19 and 20 are driven at a constant speed by, for example, a pulse motor (not shown).

Therefore, when the thermal head 3 is printing, the roll paper 1 corresponding to the next ticket is fed out, and when the printing of the previous ticket is finished, the rolled paper 1 corresponding to the next ticket is cut by the cutter 2. and wait for the next ticket to be issued.

Note that 23.23 is a transfer belt that transfers the printed ticket to the next stage.

The winding body 24 of the roll paper 1 supplied to the above-mentioned feeding roller 5 is attached to the fixed wall 4 on which the thermal head 3 and the cutter 2 are located.
It is mounted on the shaft 26 of the opening/closing wall 25 so as to be freely rotatable.

The shaft 26 is provided in a direction perpendicular to the conveyance direction of the roll paper in the printing section.

The above-mentioned opening/closing wall 25 is provided to be slightly wider than the fixed wall 4, one end is pivoted to a vertical shaft 27 provided on the fixed wall 4 side, and the other end is locked by a locking tool 28. .

The opening/closing wall 25 is opened and closed for assembling and inspecting the transmission system provided between the fixed wall 4 and the fixed wall 4.

A guide plate 29 is provided at the edge of the fixed wall 4 described above for guiding the roll paper 1 from the winding body 24 to the feeding roller 5.

The above-mentioned guide plate 29 has two symmetrically formed curved surfaces 30 that bend the roll paper 1 and change the direction in a plane direction of 90 degrees, and by guiding the roll paper along the guide plate 29, the roll paper 1 is changed in direction by 180 degrees in a plane.

The uppermost part of the guide plate 29 is formed into a substantially trapezoidal shape in plan view, and when the roll paper touches the guide plate from the lower surface of the guide plate 29 and is twisted by 90 degrees to change direction, the uppermost part of the guide plate 29 touches the upper surface of the guide plate. When the guide plate is in contact with the guide plate and the direction is changed by further twisting, the guide plate is in contact with the guide plate from the lower surface.

In the figure, numerals 31, . . . are pieces for preventing the roll paper 1 from coming off, which are provided on both sides of the top surface of the uppermost portion of the guide plate 29 in the width direction, and 32 is a mounting piece, which is fixed to the fixed wall 4.

33 are guide rollers for the roll paper 1, and each rotates freely.

As described above, by supplying the roll paper 1 to the feeding roller 5 through the winding body 24 and the re-guide plate 29, it is no longer necessary to provide the winding body 24 on the same wall surface side of the fixed wall 4 as the thermal head 3. This winding member 24 prevents the device from becoming bulky.

[Brief explanation of the drawing]

The drawings show an embodiment of this invention, and FIG. 1 is a front view of the printing device. Figure 2 is its side view. Figure 3 is its front view. FIG. 4 is a rear view thereof. 1...roll paper, 3...
- Thermal head, 24... Winding body, 29... Guide plate, 30... Curved surface, 31... Roll paper retaining piece.

Claims (1)

[Scope of utility model registration request] A roll paper wrapping body is provided on one side of the fixed wall and a printing section is provided on the other side, and the rolled paper wrapping body is attached to a shaft provided in the printing section in a direction perpendicular to the conveying direction of the rolled paper, and the fixed wall A guide plate is provided on the edge of the roll paper with curved surfaces formed at two places to curve the roll paper and change the plane direction by 90 degrees, and the uppermost part of the guide plate is formed into a substantially trapezoidal shape when viewed from above,
When the roll paper contacts the guide plate from the bottom surface of the guide plate and is twisted 90 degrees to change direction, the roll paper contacts the top surface of the guide plate, and when the direction is changed by further twisting 90 degrees, it contacts the guide plate from the bottom surface. A piece to prevent the roll paper from coming off is provided on both sides of the uppermost part of the guide plate in the width direction, so that the rolled paper that is fed out and the rolled paper that is being held are aligned along the feeding direction perpendicular to the width direction of the rolled paper. Place the roll paper side by side in parallel with the
A printing device that converts the conveyance direction by 0 degrees and supplies it.