JPH0958918A - Paper feed and discharge device for horizontal printer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a paper from being contaminated when the paper is being discharged to a stacker. SOLUTION: There are provided a swingable table 19 and a slacker 23 arranged below the table 19. The paper feed port 30 side of the table 19 is capable of selecting an upper position or a lower position. When the upper position is selected, the stacker 23 will receive a discharged paper 11 after printed. On the lower surface of the table 19, a slant part, is formed, which slants downwards toward the center of the swinging from the paper feed port 30 side. In this case, after printing, the paper 11 is discharged from the paper feed port 30 horizontally, and only the top end of the paper 11 in a discharge direction comes in contact with the lower surface of the table. Thus, no ink on the paper 11 comes in touch with the table, so that the paper 11 can be prevented from being contaminated with the ink on the paper 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper feeding / discharging device for a horizontal printer.

[0002]

2. Description of the Related Art Conventionally, a horizontal printer is provided with a table for feeding and discharging sheets, and a table disposed below the table.
The stacker unit has a stacker unit for receiving and stacking discharged sheets, and the table and the stacker unit constitute a paper feeding / discharging device. By moving the paper supply / discharge port side of the table up and down, the paper can be discharged onto the table or the stacker.

[0003]

However, in the conventional paper feeding / discharging device of the horizontal printer, when the paper is discharged to the stacker, the printing surface of the paper and the lower surface of the table are rubbed (rubbed), and the paper is discharged. Will get dirty. In particular, in an inkjet printer, printing is performed by ejecting ink from ink nozzles and adhering the ink to the paper, so the paper is easily soiled by the ink on the paper.

The present invention solves the problems of the conventional paper feeding / discharging device of a horizontal printer, and provides a paper feeding / discharging device of a horizontal printer in which the paper is not contaminated when discharged to the stacker. The purpose is to

[0005]

Therefore, in the paper feeding / discharging device of the horizontal printer of the present invention, there is provided a table which is swingably arranged and whose paper feeding inlet side is selectively placed at an upper position and a lower position. And a stacker unit disposed below the table and receiving the discharged sheets after printing when the sheet inlet side of the table is at the upper position.

On the lower surface of the table, there is formed an inclined portion which inclines downward from the sheet inlet side toward the swing center side. In another sheet feeding / discharging device for a horizontal printer of the present invention, a table that is swingably disposed and has a sheet inlet side selectively placed at an upper position and a lower position, and a table disposed below the table, The table has a stacker section for receiving the discharged sheet after printing when the sheet inlet side of the table is at the upper position, and sheet guides movably arranged in the left and right at both side edge portions of the table.

The paper guide is formed so as to project below the table, is inside the paper width, and
A protruding portion that contacts the paper is provided outside the printing range. In a paper feeding / discharging device of still another horizontal printer according to the present invention, a table is provided that is swingable, the paper feeding inlet side is selectively placed at an upper position and a lower position, and a table is provided below the table. A stacker unit that receives the discharged sheets of paper after printing when the sheet inlet side of the table is in the upper position, and sheet guides that are movably arranged to the left and right at both side edge portions of the table.

Further, the paper guide is provided with a protruding portion which is formed so as to protrude below the table and whose lower surface is inclined downward from the paper feed inlet side toward the swing center side.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 is a table sheet discharge state diagram in the first embodiment of the present invention, FIG. 2 is a stacker section sheet discharge state diagram in the first embodiment of the present invention, and FIG. 3 is a first embodiment of the present invention. 4 is a perspective view of the table in the embodiment, FIG. 4 is an enlarged view of a main part of FIG. 1, and FIG. 5 is an enlarged view of a main part of FIG.

In the figure, reference numeral 11 is a single-cut printing paper, paper such as a slip, 12 is a platen, 13 is a print head disposed above the platen 12 so as to face the platen 12, and the printing is performed. The head 13 is supported by a carriage 14 so as to be horizontally movable along the platen 12. Also, 15, 16
Is a guide shaft which is parallel to each other for guiding the carriage 14, and 17 is a paper guide which is arranged around the print head 13.

Numerals 17a to 17g are guide frames arranged to convey the sheet 11 in the horizontal direction. The guide frames 17a to 17g form a horizontal conveying path 21 by arranging them at a predetermined interval. In addition, 18a to 18c are a pair of feed rollers arranged at a plurality of positions along the horizontal conveyance path 21, and 19 is a table arranged at the front end of the horizontal conveyance path 21 on the front side of the horizontal printer. The table 19 constitutes a mounting table when the paper 11 is inserted into the horizontal printer. The feed roller 18
The sheet a is disposed in the sheet inlet 30.

Below the table 19, a stacker section 2 is provided.
3 is provided, and the stacker unit 23 receives and stacks the printed sheets 11 on which printing is performed. And 27a
Reference numerals 27d to 27d denote guide frames arranged below the table 19 for conveying the sheet 11, and are arranged at a predetermined interval to form an inclined conveying path 28. Further, 29 is the inclined conveyance path 28
A pair of feed rollers arranged along the feed roller 29. The feed roller 29 conveys the paper 11 fed from an automatic paper feeding device (not shown) in the direction of arrow C through the inclined conveyance path 28 and horizontally conveys it. Send to road 21.

The table 19 is arranged so as to be swingable around a fulcrum 31, and an operator operates a lever 33 so that the sheet feed port 30 of the table 19 is moved.
The side can be moved up and down. The side of the table 19 facing the sheet inlet 30 is shown in FIGS.
By placing the sheet 11 in the lower position as shown in, the sheet 11 can be inserted in the direction of arrow A or can be conveyed in the direction of arrow B and discharged onto the upper surface 19a of the table 19.

Further, the paper inlet 30 of the table 19
By placing the side in the upper position as shown in FIGS. 2 and 5, the paper 11 can be conveyed in the direction of arrow D and discharged to the stacker unit 23. 41 is table 1
9 is a restricting member that restricts the swing range of 9. The upper surface 19a of the table 19 is flattened,
The lower surface 19b is inclined downward from the sheet inlet 30 side toward the fulcrum 31 side to form an inclined portion, and the table 19 becomes thicker as it approaches the fulcrum 31. In this case, only the leading end of the paper 11 discharged in the horizontal direction by the feed roller 18a comes into contact with the lower surface 19b. Therefore, the ink on the paper 11 does not come into contact with the table 19, and the paper 11 can be prevented from being soiled by the ink on the paper 11.

In the present embodiment, the table 19
The lower surface 19b of the above is tilted by being curved, but it may be tilted linearly. Further, each of the feed rollers 18a to 18c is formed of plastic or is formed of a spur fitting or the like so that the ink immediately after printing is not attached thereto. Next, the operation of the paper feeding / discharging device of the horizontal printer configured as described above will be described.

First, when the paper 11 is fed and discharged through the first path, the operator operates the lever 33 to put the paper feed port 30 side of the table 19 at the lower position and put the paper 11 on the table 19. Set and insert in the direction of arrow A. A detection sensor (not shown) is arranged in the vicinity of the paper feed inlet 30, and when the detection sensor detects the paper 11, the feed roller 18a is rotated and the paper 11 on the table 19 is moved to the horizontal conveyance path 21. Capture and transport.

Then, the printing position of the paper 11 is set to the platen 1
When the printing section between the print head 13 and the print head 2 is reached, printing is performed by the print head 13. When printing is finished,
The feed roller 18a is rotated in the opposite direction, and the paper 1
1 is conveyed toward the sheet inlet 30. Then, the conveyed paper 11 is discharged onto the upper surface 19 a of the table 19.

Next, when the paper 11 is fed and discharged by the second path, when the paper 11 is fed from the automatic paper feeder in the direction of arrow C, the feed roller 29 is rotated and the paper 11 is fed. The sheet is taken into the inclined conveyance path 28, conveyed, and sent to the horizontal conveyance path 21. After that, when the printing position of the paper 11 reaches the printing portion between the platen 12 and the print head 13, the print head 13 performs printing. When printing is completed, the feed roller 18a is rotated and the paper 11 is conveyed toward the paper inlet 30. Then, the conveyed paper 11 is discharged onto the upper surface 19 a of the table 19.

When the paper 11 is fed and discharged through the third path, the operator operates the lever 33 to place the paper feed port 30 side of the table 19 at the upper position. When the paper 11 is fed from the automatic paper feeder in the direction of arrow C, the feed roller 29 is rotated, and the paper 11 is taken into the inclined conveyance path 28 and conveyed, and then sent to the horizontal conveyance path 21. After that, when the printing position of the paper 11 reaches the printing portion between the platen 12 and the print head 13, the print head 13
Is printed by. When printing is completed, the feed roller 18a is rotated and the paper 11 is fed into the paper feed inlet 3
Transport toward 0. Then, the leading end of the conveyed paper 11 in the paper discharge direction is discharged from the paper inlet 30 to the stacker unit 23 while being in contact with the lower surface 19b of the table 19.

Next, a second embodiment of the present invention will be described. FIG. 6 is a perspective view of a table according to the second embodiment of the present invention. In addition, about the thing which has the same structure as 1st Embodiment, the description is abbreviate | omitted by giving the same code | symbol. In the figure, 43 is a table, which is a flat plate 44 and ribs 45 formed at a plurality of locations on the lower surface of the plate 44.
Consists of The ribs 45 are formed along the sheet feeding / discharging direction of the sheet 11 (FIG. 1), and the upper surface 45 a of the table 43 is flattened along the plate 44, but the lower surface 45 b is curved so that the sheet feeding port 30 is formed. An inclined portion that is inclined from the side toward the fulcrum 31 side is formed, and the rib 45 is thicker as it is closer to the fulcrum 31. Note that the lower surface 45b can be linearly inclined.

In this case, only the leading end of the paper 11 discharged in the horizontal direction by the feed roller 18a comes into contact with the lower surface 45b. Therefore, paper 1
There is no contact between the ink on 1 and the table 43,
It is possible to prevent the paper 11 from being soiled by the ink on the paper 11. Next, a third embodiment of the present invention will be described.

FIG. 7 is a sectional view of a table according to the third embodiment of the present invention, FIG. 8 is a perspective view of a paper guide according to the third embodiment of the present invention, and FIG. 9 is a third embodiment of the present invention. FIG. 10 is a table sheet discharge state diagram in this mode, and FIG. 10 is a stacker unit sheet discharge state diagram in the third embodiment of the present invention. In addition, about the thing which has the same structure as 1st Embodiment, the description is abbreviate | omitted by giving the same code | symbol.

In this case, paper guides 52 and 53 are slidably mounted on the left and right edges of the table 51, and the paper width is set by moving the paper guides 52 and 53 left and right. Is able to. The paper guides 52, 53 are formed by a sliding portion 54 for sliding on the table 51 and by projecting upward from the sliding portion 54, and the paper 11 (FIG. 1).
The guide portion 55 is in contact with the side edge of the sheet 11 and guides the sheet 11, and the protruding portion 56 is formed by protruding downward from the sliding portion 54.

The protruding portion 56 is formed along the paper feeding / discharging direction of the paper 11, and as shown in FIG. 7, below the table 51 inside the paper width and outside the printing range of the paper 11. Be projected. In this case, the outside of the printing range of the paper 11 discharged in the horizontal direction by the feed roller 18a comes into contact with the protrusion 56. Therefore, the ink on the paper 11 and the paper guide 52 do not come into contact with each other, and the ink on the paper 11 causes the paper 1
It is possible to prevent 1 from becoming dirty.

Next, the operation of the paper feeding / discharging device of the horizontal printer having the above construction will be described. First, the operator slides the paper guides 52 and 53 on the table 51 to match the width of the paper, sets the paper 11 on the upper surface of the table 51, and inserts it into the paper inlet 30. A detection sensor (not shown) is arranged in the vicinity of the paper feed inlet 30, and when the paper 11 is detected by the detection sensor, the feed roller 18
When a is rotated, the sheet 11 on the table 51 is taken into the horizontal conveyance path 21 and conveyed.

Then, the printing position of the paper 11 is set to the platen 1
When the printing section between the print head 13 and the print head 2 is reached, printing is performed by the print head 13. When printing is finished,
The feed roller 18a is rotated in the opposite direction, and the paper 1
1 is conveyed toward the sheet inlet 30. By the way, the table 51 is arranged swingably around the fulcrum 31, so that table discharge or stacker discharge can be selected.

When the operator operates the operation panel (not shown) and selects stacker unit discharge, the print head 1
After the printing by 3 is completed, the lever 33 is operated by a motor and a control unit (not shown), the side of the sheet intake port 30 of the table 51 is placed in the upper position as shown in FIG. 10, and the sheet 11 after printing is stacked. It is discharged to the section 23.
At this time, since the paper guides 52 and 53 are placed at the same positions as when the paper 11 is inserted into the paper inlet 30, the protrusions 56 of the paper guides 52 and 53 are located outside the printing range of the paper 11. To do. Therefore, the outside of the printing range of the paper 11 discharged horizontally by the feed roller 18a comes into contact with the protrusion 56. Therefore, the ink on the paper 11 does not come into contact with the paper guide 52, and it is possible to prevent the paper 11 from being soiled by the ink on the paper 11.

A sheet 1 is fed from an automatic sheet feeder (not shown).
Even when feeding 1, the paper guides 52, 53
The same effect can be obtained by moving the sheet according to the sheet width. Further, when the lower surface of the protruding portion 56 is inclined, only the leading end in the paper discharge direction of the paper 11 horizontally discharged by the feed roller 18a
It comes into contact with the lower surface of the protrusion 56. Therefore,
The ink on the paper 11 and the table 51 do not come into contact with each other, and the ink on the paper 11 can be prevented from being contaminated.

In this case, since the bottom surface of the protrusion 56 does not contact except the leading end of the paper 11 in the paper discharge direction, printing can be performed outside the printing range of the paper 11. It should be noted that the present invention is not limited to the above-described embodiments, and various modifications can be made based on the spirit of the present invention, and they are not excluded from the scope of the present invention.

[0030]

As described above in detail, according to the present invention, in the paper feeding / discharging device of the horizontal printer, the paper feeding / discharging device is swingably arranged, and the paper feeding inlet side is selectively located at the upper position and the lower position. A table to be placed and arranged below the table,
And a stacker section for receiving the discharged sheets after printing when the sheet inlet side of the table is at the upper position.

On the lower surface of the table, there is formed an inclined portion which inclines downward from the sheet inlet side toward the swing center side. In this case, when the sheet is horizontally discharged from the sheet inlet after printing is performed, only the leading end of the sheet in the sheet discharging direction comes into contact with the lower surface of the table. Therefore, the ink on the paper and the table do not come into contact with each other, and the paper can be prevented from being contaminated by the ink on the paper.

In another sheet feeding / discharging device for a horizontal printer according to the present invention, a table which is swingably arranged and whose sheet inlet side is selectively placed at an upper position and a lower position and a table arranged below the table are provided. When the table is provided with the sheet inlet side at the upper position, a stacker section for receiving the ejected sheet after printing and a sheet guide movably arranged to the left and right at both side edge portions of the table are provided. Have.

The paper guide is formed so as to protrude below the table, is inside the paper width, and
A protruding portion that contacts the paper is provided outside the printing range. In this case, when the paper is horizontally discharged from the paper inlet after printing is performed, only the outside of the printing range of the paper comes into contact with the protrusion. Therefore, the ink on the paper does not come into contact with the protruding portion, and the paper can be prevented from being contaminated by the ink on the paper.

In a paper feeding / discharging device of still another horizontal printer according to the present invention, a table is provided which is swingable, and a paper feeding inlet side is selectively placed at an upper position and a lower position, and a table below the table. A stacker portion that is disposed and receives the discharged sheets of paper after printing when the sheet inlet side of the table is in an upper position; and a sheet guide that is movably disposed to the left and right at both side edge portions of the table. Have.

The paper guide is provided with a protruding portion which is formed so as to protrude below the table and whose lower surface is inclined downward from the paper inlet side toward the swing center side. In this case, when the sheet is horizontally discharged from the sheet inlet after printing is performed, only the leading end of the sheet in the sheet discharging direction comes into contact with the lower surface of the protruding portion. Therefore, the ink on the paper does not come into contact with the protruding portion, and the paper can be prevented from being contaminated by the ink on the paper.

[Brief description of drawings]

FIG. 1 is a table sheet discharge state diagram in a first embodiment of the present invention.

FIG. 2 is a stacker unit discharge state diagram in the first embodiment of the present invention.

FIG. 3 is a perspective view of a table according to the first embodiment of the present invention.

FIG. 4 is an enlarged view of a main part of FIG.

5 is an enlarged view of a main part of FIG.

FIG. 6 is a perspective view of a table according to a second embodiment of the present invention.

FIG. 7 is a sectional view of a table according to a third embodiment of the present invention.

FIG. 8 is a perspective view of a paper guide according to a third embodiment of the invention.

FIG. 9 is a table sheet discharge state diagram in the third embodiment of the invention.

FIG. 10 is a stacker unit discharge state diagram in the third embodiment of the invention.

[Explanation of symbols]

 11 Paper 19, 43, 51 Table 19b, 45b Lower surface 23 Stacker part 30 Paper inlet 45 Ribs 52, 53 Paper guide 56 Projection part

Claims (5)

[Claims] 1. (a) A table which is swingably arranged and which is selectively placed on the sheet inlet side at an upper position and a lower position,
(B) has a stacker portion which is disposed below the table, and which receives the discharged paper after printing when the paper inlet side of the table is in the upper position, and (c) the lower surface of the table. A sheet feeding / discharging device for a horizontal printer, wherein an inclined portion is formed so as to incline downward from the sheet feed inlet side toward the swing center side. 2. The paper feeding / discharging device for a horizontal printer according to claim 1, wherein the inclined portion is a lower surface of the table. 3. The paper feeding / discharging device for a horizontal printer according to claim 1, wherein the inclined portion is a lower surface of a rib formed on a lower surface of the table. 4. (a) A table that is swingably arranged and that is selectively placed on the sheet inlet side at an upper position and a lower position,
(B) a stacker portion which is disposed below the table and receives the discharged paper after printing when the paper inlet side of the table is in an upper position; And (d) the paper guide is formed so as to project below the table, and contacts the paper inside the paper width and outside the printing range. A paper feeding / discharging device of a horizontal printer, which is provided with a protruding portion. 5. (a) A table which is swingably arranged and whose sheet inlet side is selectively placed at an upper position and a lower position,
(B) a stacker portion which is disposed below the table and receives the discharged paper after printing when the paper inlet side of the table is in an upper position; And (d) the paper guide is formed so as to project below the table, and the lower surface of the paper guide extends downward from the paper inlet side toward the swing center side. A paper feeding / discharging device for a horizontal printer, which is provided with an inclined projecting portion.