JP3426448B2 - Printing equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printing device.

[0002]

2. Description of the Related Art For example, a ballot ticket issuing machine used in a race such as a horse race, a bicycle race, a boat race, or an auto race is shown in FIG.
Operators 8 located on both sides of the ticket issuing machine, as shown in FIG.
Since it is necessary to output the printed voting ticket to the main transportation path 1 passing through the printing section 80 and the main transportation path 1, the transportation section of the voting ticket branches toward the respective operators 8, 8. It is composed of a branch conveyance path 3 for conveying a voting ticket.

[0003]

However, in the case of arranging the branch conveyance path 3 orthogonally to the main conveyance path 1, the print medium 2
As shown in FIG. 6, due to the initial bending of the print medium 2
When the print medium 2 is delivered to the branch conveyance path 3, the print medium 2 has a drawback that it is likely to come into contact with the side edge portion of the conveyance belt 30 forming the branch conveyance path 3 and cause the print medium to be clogged.

The present invention has been made to solve the above drawbacks, and an object of the present invention is to provide a printing apparatus with improved reliability of delivery of a print medium to a branch conveyance path.

[0005]

SUMMARY OF THE INVENTION In the present invention, the above object is to provide a plurality of conveyor belts 30 each of which intersects the main conveying path 1 in a T-shape, and which cuts the print medium 2 delivered from the main conveying path 1 into a plurality of cut sheets. Three
0 has a branching conveyance path 3 that conveys any other side adjacent to the conveyance-side tip on the main conveyance path 1 as a new conveyance-side tip, and the gap between the conveyance belts 30, 30 is An inclined collision prevention guide 4 that protrudes from the medium conveying surface of the branch conveying path 3 at a side edge portion of the conveying path 1 facing the medium sending portion 10 and becomes lower than the medium conveying surface as it approaches another adjacent conveying belt 30. This is accomplished by providing a printing device that is blocked by the.

The printing medium 2 such as a voting ticket printed by the printing unit 80 is conveyed to the medium feeding unit 10 by the main conveyance path 1 and then the branch conveyance path 3 in which a plurality of conveyance belts 30 are arranged in parallel. Then, the print medium 2 is conveyed to the side without changing the direction of the print medium 2 and using the other side adjacent to the leading end on the carrying side on the main carrying path 1 as a new leading end on the carrying side.

The collision preventing guide 4 is inclined with respect to the medium conveying surface and closes the gap between the conveying belts 30 and at the side edge portion of the main conveying path 1 facing the medium feeding portion 10. It projects from the medium transport surface of the branch transport path 3, and becomes lower than the medium transport surface as it approaches another adjacent transport belt 30.

Therefore, even when the print medium 2 is delivered from the medium delivery section 10 of the main transport path 1 in a posture or shape in which the leading edge thereof collides with the side end of the transport belt 30, FIG. As shown in FIG. 5, the leading edge of the print medium 2 contacts the collision prevention guide 4, and then is guided on the conveyor belt 30 along the collision guide, so that the conventional catching is prevented. It

Further, since the abutting guide projects from the medium conveying surface at the side edge of the main conveying path 1 facing the medium feeding section 10, the side edge of the conveying belt 30 and the high back side of the abutting guide. A gap between the edge and the edge is allowed and unnecessary precision control is not required. That is, when the edge of the print medium 2 falls on the conveyor belt 30 from the high back of the collision prevention guide 4, it does not fall directly below due to the rigidity of the print medium 2, so the height of the collision prevention guide 4 is high. Even if there is a gap between the back edge and the side edge of the conveyor belt 30, the leading edge of the print medium 2 is prevented from abutting against the side edge of the conveyor belt 30.

As described in claim 2, when the high-back end edge of the collision prevention guide 4 is covered with the side edge portion of the conveyor belt 30, the rigidity is low or the tip end thereof is small. Even if the print medium 2 is curved, it can be reliably guided onto the conveyor belt 30.

In this case, as described in claim 3,
When the collision prevention guide 4 is made of mylar sheet,
It is possible to prevent abrasion of the print medium 2 due to the collision prevention guide 4.

Further, in the invention of claim 4, the branch conveyance path 3 is provided with a medium nipping guide portion 5 for elastically nipping the leading end portion of the print medium 2 delivered from the main conveyance path 1 on the medium conveyance surface. It is provided. The medium holding guide portion 5 is particularly effective when the print medium 2 is discharged from the medium feeding portion 10 at a high speed, and the print medium 2 fed from the main transport path 1 is shown in FIG.
As shown in (b), after the stopper piece 61 is struck, it is prevented from being detached from the rebounding branch conveying path 3.

In this case, as described in claim 5, the medium holding guide portion 5 is formed by a medium support piece 60 arranged at substantially the same height as the medium transport surface of the branch transport path 3 and a mylar sheet. And the pressure contact piece 7 whose tip abuts the medium support piece 60.

If the printing apparatus is provided with both the collision prevention guide 4 and the medium pinching guide portion 5, all failure modes can be dealt with, and therefore the reliability can be further improved. .

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION A ticket issuing apparatus to which the present invention is applied is
As shown in FIG. 5, the main conveyance path 1 for conveying the voting ticket (print medium 2) printed by the printing unit 80 to the branch conveyance path 3 side is provided. As shown in FIGS. 1 and 2, the main transport path 1 is configured by a plurality of transport rollers 11, 11, ... Concatenated to transport the print medium 2 in the direction of arrow A in FIG. It is discharged from the section 10 to the side of the branch conveyance path 3 at a high speed of about 2 m / sec.

The branch conveyance path 3 intersects the main conveyance path 1 in a T-shape, and at the intersection, two conveyance belts 30 and 30 driven by a belt driving roller 31, and a conveyance belt 30.
A pressing roller 9 that is driven to reciprocate in the vertical direction is arranged. The pressing roller 9 is configured by supporting the idle roller 91 on the support 90, and the print medium 2 delivered onto the transport belt 30 is pressed against the pressing roller 9 and then
Either the left or right direction selected by the conveyor belt 30,
That is, it is conveyed in the direction of arrow B or C in FIG.

Further, in order to support the rear end portion of the print medium 2 sent out from the main transport path 1, a lower guide 32 is extended to the guide 12 of the main transport path 1 as shown in FIG. At the same time, a collision prevention guide 4 formed of a Mylar sheet is arranged in the gap between the transport belts 30, 30.

The collision prevention guide 4 is shown in FIGS. 3 (a) and 3 (b).
As shown in FIG. 4, a fixing piece 40 to the main body of the apparatus, a supporting leg piece 41 branched in a fork shape so as to straddle the belt drive roller shaft 33, and a bending belt formed at the tip of the supporting leg piece 41, A cover piece 42 for closing the gap between 30 and 30
Have and. The cover piece 42 is arranged with its free edge facing toward the front side, that is, the conveyance belt 30 located on the main conveyance path 1 side, and the base end side is slightly closer to the print medium 2 than the medium conveyance surface of the branch conveyance path 3. Side, and the free end side is the conveyor belt 3
It is inserted in the back space of 0. Further, as shown in FIG. 2, the base end side of the cover piece 42 protrudes toward the transport belt 30 side so as to overlap with the transport belt 30 in a plan view.

Further, at the abutting portion between the main conveyance path 1 and the branch conveyance path 3, a medium holding guide portion 5 is arranged. The medium holding guide portion 5 is composed of an upper guide body 6 made of metal or synthetic resin, and a pressure contact piece 7 attached to the upper guide body 6. The upper guide body 6 is a stopper piece 6 arranged at the end edge of the branch transport path 3 so that the print medium 2 discharged from the main transport path 1 does not jump out from the branch transport path 3.
1 from the one end of the stopper piece 61 to the print medium 2
A medium supporting piece 60 for supporting the front end portion of the medium is projected at substantially the same height as the medium conveying surface. Further, a guide piece 62 for guiding the front end of the print medium 2 to the medium supporting piece 60 side is bent and formed at the other end of the stopper piece 61. The guide piece 62 is provided with an expanding portion 63 at the tip end thereof, and is considered so as to be able to reliably guide the print medium 2 to the bearing surface side even when the print medium 2 is discharged upward in a bent state. .

The pressure contact piece 7 is formed of a mylar sheet, and as shown in FIG. 3 (c), it is attached to the expanding portion 63 of the guide piece 62 by using the double-sided adhesive tape 70 attached to the back surface, In the pasted state, the tip of the pressure contact piece 7 is in contact with or slightly in pressure contact with the medium support piece 60.

Therefore, in this embodiment, for example, the front end of the print medium 2 is bent downward from the main transport path 1, that is, toward the medium transport surface side of the branch transport path 3 as shown in FIG. 4A. Even when the print medium 2 is ejected to the branch conveyance path 3 in this state, the print medium 2 first collides with the cover piece 42 of the collision prevention guide 4 and then reliably crosses over the base end side protruding portion 43. It is guided on the conveyor belt 30.

When the leading edge of the print medium 2 is discharged from the main transport path 1 to the branch transport path 3 while being bent upward, the leading edge of the print medium 2 is expanded by the expanding portion 63 of the upper guide body 6. The part is guided by the medium bearing piece 60.

Further, the printing medium 2 discharged at a high speed toward the stopper piece 61 is guided by the guide piece of the upper guide body 6 and then sandwiched on the medium supporting piece 60 while elastically deforming the pressure contact piece 7. For this reason, as shown in FIG. 4B, after the contact with the stopper piece 61, the trouble of bouncing back and disengaging from the branch conveyance path 3 is reliably prevented.

In the above description, a ticket issuing machine such as a horse race is taken as an example, but the present invention can be applied to other printing devices.

[0025]

As is apparent from the above description, according to the present invention, it is possible to reliably prevent the print medium from being caught in the branch conveyance path.

Further, when the high-back edge of the contact prevention guide is covered with the side edge of the conveyor belt, the rigidity of the print medium may be low or the tip may be bent. Further, the guide belt can be guided on the conveyor belt, and when the collision prevention guide is formed of mylar sheet, it is possible to prevent abrasion due to the collision prevention guide on the print medium.

Further, in the case where the medium holding guide portion is provided in the branch conveyance path, it is possible to prevent the print medium from rebounding at the stopper, and the reliability of delivery to the branch conveyance path can be improved.

[Brief description of drawings]

FIG. 1 is a diagram showing the present invention.

FIG. 2 is a plan view of FIG.

3A and 3B are diagrams showing the collision prevention guide and the pressure contact piece, where FIG. 3A is a plan view of the collision prevention guide, FIG. 3B is a side view of the collision prevention guide, and FIG. is there.

FIG. 4 is a diagram showing the operation of the present invention, FIG. 4A is a diagram showing a state in which a print medium is guided by an impact prevention guide,
FIG. 6B is a diagram showing a state in which the print medium has bounced off and is separated from the branch conveyance path because the medium holding guide portion is not provided.

FIG. 5 is a diagram illustrating a transport unit of the ticket issuing machine.

6A and 6B are views showing a conventional example, in which FIG. 6A is a plan view and FIG. 6B is a side view.

[Explanation of symbols]

1 main transport path 10 Medium sending unit 2 print media 3 branch transport paths 30 conveyor belt 4 Collision prevention guide 5 Media clamping guide 60 Media support piece 7 Pressure contact piece

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Claims (5)

(57) [Claims] 1. A T-shaped intersection with the main conveyance path, wherein a single-cut printing medium sent from the main conveyance path is adjacent to the leading end on the conveyance side on the main conveyance path by a plurality of conveyance belts. Has a branch conveyance path for conveying the side edge of the branch as a new conveyance side tip, and the gap between the conveyance belts protrudes from the medium conveyance surface of the branch conveyance path at the side edge facing the medium delivery section of the main conveyance path,
A printing apparatus that is closed by an inclined collision prevention guide that becomes lower than the medium conveyance surface as it approaches another adjacent conveyance belt. 2. The printing apparatus according to claim 1, wherein the collision prevention guide covers the side edge portion of the conveyor belt on the high back side. 3. The printing apparatus according to claim 1, wherein the collision prevention guide is formed of a mylar sheet. 4. A T-shaped intersection with the main conveyance path, and a single-sided printing medium fed from the main conveyance path is newly formed on any other side adjacent to the leading end on the conveyance side on the main conveyance path. Has a branching conveyance path for conveying as a leading end on the conveyance side, and the branching conveyance path is provided with a medium pinching guide portion for elastically nipping the tip end portion of the print medium sent out from the main conveyance path on the medium conveyance surface. Printing device. 5. The medium gripping guide portion includes a medium support piece disposed at substantially the same height as the medium transport surface of the branch transport path, and a press contact piece formed of a mylar sheet and having a tip abutting against the medium support piece. The printing apparatus according to claim 4, which is configured to include.