JP2979012B2 - Printing paper printing equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION The present invention relates to a photographic paper printing apparatus for cutting a band-shaped photographic paper into a sheet-shaped photographic paper, and conveying the sheet-shaped photographic paper to an image printing unit for exposure. About.

2. Description of the Related Art There is a printing paper printing apparatus in which, for example, a band-shaped printing paper is cut into a sheet-shaped printing paper by a cutting unit, and the sheet-shaped printing paper is conveyed to an image printing unit and subjected to an exposure process.

When the conventional photographic paper printing apparatus cuts the photographic paper to a predetermined size at the cutting unit, the rotation of the conveying roller for conveying the normal photographic paper is controlled by a pulse motor or an encoder, and the photographic paper is usually printed. Was controlled. Then, the cut sheet-shaped photographic paper is conveyed one by one to an image printing unit to sequentially expose images.

[Problems to be Solved by the Invention] In this conventional photographic paper printing apparatus, since the cutting of the band-shaped photographic paper in the cutting section and the exposure processing in the image printing section are performed in parallel, the exposure processing is accelerated. Then, it is necessary to increase the transport speed of the band-shaped photographic paper. However, it is necessary to provide an accumulating mechanism in front of the cutting section to maintain the accuracy of the cutting dimension even if the speed of transporting the band-shaped photographic paper at the cutting section is increased. In addition, it is necessary to increase the torque of the photographic paper, and there is a disadvantage that the structure of the transfer mechanism of the printing paper printing apparatus is generally complicated.

The present invention solves the above-mentioned drawbacks of the conventional photographic paper printing apparatus, and accumulates a plurality of sheet-like photographic papers cut in the cutting section before transporting the photographic paper to the image printing section. In order to increase the speed of printing, the degree of freedom in the speed at which the belt-shaped photographic paper is conveyed is expanded, and the structure of the conveyance mechanism of the photographic paper printing device is not complicated, and the degree of freedom in cutting time is expanded, and cutting at the cutting section is performed. It is an object of the present invention to provide a photographic paper printing apparatus capable of responding to an increase in the speed of exposure processing without increasing the speed of printing.

[Means for Solving the Problems] In order to solve the above-mentioned problems, a printing paper printing apparatus according to the first aspect of the present invention is directed to a printing paper printing apparatus, which cuts a belt-shaped printing paper into a sheet-shaped printing paper by a cutting unit. A photographic paper printing apparatus that conveys paper to an image printing unit and exposes the photographic paper, wherein a photographic paper stacking unit that stacks a plurality of sheet-shaped photographic papers before exposure is provided between the cutting unit and the image printing unit. And

[Operation] In the invention according to the first aspect, the band-shaped photographic paper is cut at the cutting section to form a sheet-shaped photographic paper, and a plurality of the sheet-shaped photographic papers are stacked in the photographic paper stacking section, and the stacked sheet-shaped prints are collected. The paper is transported in accordance with the exposure processing of the image printing unit.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

 FIG. 1 is a schematic view of a photographic paper printing apparatus according to the present invention.

In this printing paper printing apparatus, first, the band-shaped photographic paper 1 is pulled out from a magazine 2 in which the band-shaped photographic paper 1 is stored by a draw-out roller 3 and inserted between the cutters 4 a of the cutting section 4. The cutting unit 4 is controlled by the control device 6 based on the printing information. The cutter 4a is thereby operated to cut the band-shaped photographic paper 1 into a predetermined length to obtain a sheet-shaped photographic paper 5. Printing information is input to the control device 6 from the set button 61 and the negative film detecting means 62, and the size and printing direction of the sheet-shaped photographic paper are determined based on the printing information.

The sheet-shaped photographic paper 5 cut by the cutting unit 4 is carried into the photographic paper stacking unit 7 and is sequentially stacked in the storage case 71. The storage case 71 is rotatable by a motor 72.
Is driven by the control device 6 based on the burning information,
By rotating 71 by 90 °, the direction of the sheet-like photographic paper 5 is controlled. An outlet 73 is formed below the storage case 71,
The sheet-shaped photographic paper 5 is taken out one by one by a suction plate 75 operated by a cam mechanism 74. The sheet-shaped photographic paper 5 is inserted into a feed roller 8 and is conveyed to an image printing unit 9. The image printing unit 9 exposes the image of the negative film 91 to the sheet photographic paper 5 conveyed to a predetermined exposure position under the control of the control device 6.

In this manner, the band-shaped photographic paper 1 is cut by the cutting unit 4 into a sheet-shaped photographic paper 5, and a plurality of the sheet-shaped photographic papers 5 are stacked on the photographic paper stacking unit 7. The sheet-like photographic paper 5 thus accumulated is conveyed in accordance with the exposure processing of the image printing unit 9. Accordingly, since a plurality of sheet-shaped photographic papers 5 cut by the cutting unit 4 are stacked in advance before being conveyed to the image printing unit 9, the speed of conveying the band-shaped photographic paper 1 is increased with respect to the increase in the exposure processing speed. The degree of freedom can be increased and the exposure processing can be performed without complicating the structure of the transport mechanism of the photographic paper printing apparatus, increasing the degree of freedom of the cutting time, and speeding up the cutting at the cutting section 4. It can respond to high speed.

Further, based on the printing information of the sheet-shaped photographic paper, the cutting section 4 is controlled to be cut, and the sheet-shaped photographic paper of a predetermined size is accumulated in the photographic paper accumulating section 7. The photographic paper stacking unit 7 is operated based on the printing information of the sheet-shaped photographic paper, changes the direction of the sheet-shaped photographic paper 5, and is conveyed to the image printing unit 7 for exposure. In this way, by stacking a plurality of sheet-shaped photographic papers 5, the sheet
The 90 ° rotation can be performed in response to the increase in the speed of the exposure processing, so that there is no need to rotate the negative film 91, and the photographic paper printing apparatus is easy to operate and inexpensive.

FIG. 2 is a schematic view showing another embodiment of the printing paper printing apparatus of the present invention.

The photographic paper printing apparatus is a photographic paper direction between the cutting section 4 and the photographic paper stacking section 7 which is rotatable by 90 ° in the plane of the photographic paper sheet with respect to the direction in which the photographic paper is conveyed. The control unit 6 includes a conversion unit K, and controls the cutting of the cutting unit 4 and the rotation of the photographic paper direction conversion unit K based on printing information of the sheet photographic paper.

The cutting section 4 is configured in the same manner as in the above embodiment, but the photographic paper stacking section 7 changes the direction of the sheet-like photographic paper 5 by the photographic paper direction changing section K. The configuration is the same except that there is no mechanism for rotating 71 by 90 °.

Next, the configuration of the photographic paper direction conversion unit K will be described in detail with reference to FIG. FIG. 3 is a sectional view showing the configuration of the photographic paper direction conversion unit K.

A set of upper and lower guides 10 is attached to the photographic paper direction conversion unit K so as to guide the sheet-like photographic paper 5 in the transport direction. A carry-in lower feed roller 11a and a carry-out lower feed roller 12a are fixedly provided at predetermined positions on both sides of the upper and lower guides 10 in the transport direction. A carry-in upper feed roller 11b and a carry-out upper feed roller 12b are provided so as to face the carry-in lower feed roller 11a and the carry-out lower feed roller 12a. In the direction of.

The carry-in upper feed roller 11b and the carry-out upper feed roller 12b are provided on the operating arms 13 and 14, respectively.
Is rotatably supported by support pins 15 and 16, and its end is engaged with an operating pin 19 provided on a plunger 18 of a solenoid 17. The plunger 18 is moved in the axial direction by the solenoid 17, and a crimping table 21 is rotatably provided at a distal end portion thereof via a bearing 20, and a turntable 22 is arranged to face the crimping table 21. . The turntable 22 is fixed to a rotation drive shaft 24 that transmits the rotation of a motor 23, and the rotation drive shaft 24 is rotatably mounted on a base 25 via a bearing 26, and the turntable 22 is driven by the motor 23. They rotate together.

The plunger 18 of the solenoid 17 is inserted through the base 27, and a spring 29 is provided between the stopper 28 of the plunger 18 and the base 27. The crimping table 21 provided on the plunger 18 by the spring 29 turns the turntable 22. Biased away from Now, working arm 1
The carry-in upper feed roller 11b and the carry-out upper feed roller 12b provided in 3, 14 are urged in the direction of pressing against the carry-in lower feed roller 11a and the carry-out lower feed roller 12a, and the sheet-like photographic paper 5 is It is designed to be transported.

When the solenoid 17 is actuated, the plunger 18 moves against the spring 29, and moves the pressure bonding table 21 toward the turntable 22 so that the sheet-like photographic paper 5
Hold. In conjunction with this, the operating arms 13 and 14 are pushed, whereby the carry-in upper feed roller 11b and the carry-out upper feed roller 12b provided on the work arms 13 and 14 are brought into the carry-in lower feed roller 11a and the carry-out side. The sheet photographic paper 5 is released from the lower feed roller 12a.

Accordingly, when the motor 23 is driven, the turntable 22 is rotated, and the sheet-shaped photographic paper 5 is sandwiched between the turntable 22 and the pressure-bonding table 21. It is possible to rotate 90 ° in the plane of the printing paper 5.

Next, the operation of the photographic paper direction conversion unit K will be described. The sheet-shaped photographic paper 5 cut by the cutter 4a is inserted between the upper and lower guides 10 of the photographic paper direction conversion unit K. At this time, since the solenoid 17 is not operated, the plunger 18 is pulled by the spring 29, and the crimping table 21 is separated from the turntable 22. In conjunction with this, the operating arms 13 and 14 are pulled by the plunger 18, and the carry-in upper feed roller 11b and the carry-out upper feed roller 12b provided on the work arms 13 and 14 are moved to the carry-in side. In the case where the sheet photographic paper 5 is urged in the direction of pressing against the lower feed roller 11a and the discharge side lower feed roller 12a and does not change the orientation of the sheet-shaped photographic paper 5,
The sheet is conveyed to the photographic paper stacking section 7 as it is.

When the direction of the sheet-like photographic paper 5 needs to be changed, the solenoid 17 is operated under the control of the control device 6. As a result, the plunger 18 moves against the spring 29 and pushes the operating arms 13 and 14, so that the sheet-shaped photographic paper 5 is held between the turntable 22 and the pressure table 21. At this time, the operating arms 13 and 14 are pushed in conjunction with each other and the support pins 15 and
Rotating around the fulcrum 16, the carry-in upper feed roller 11b and the carry-out upper feed roller 12b provided on the operating arms 13, 14 are
The holding of the sheet-like photographic paper 5 is released by separating from the carry-in lower feed roller 11a and the carry-out lower feed roller 12a.

Next, when the motor 23 is driven under the control of the control device 6, the rotary drive shaft 24 is rotated by 90 ° in a predetermined direction. The rotation of the rotary drive shaft 24 causes the turntable 22 to rotate, and the sheet-like photographic paper 5 held between the turntable 22 and the pressure bonding table 21.
Rotates 90 °.

When the operation of the solenoid 17 is stopped in this state, the plunger 18 is pulled by the spring 29, and the crimping table 21 is separated from the turntable 22. In conjunction with this, the operating arms 13, 14 are moved by the plunger 18.
Is pulled, and the carry-in upper feed roller 11b and the carry-out upper feed roller 12b provided on the operating arms 13 and 14 are urged in a direction in which the carry-in lower feed roller 11a and the carry-out lower feed roller 12a are pressed against the lower arm. The direction of the sheet-shaped photographic paper 5 is changed, and the photographic paper 5 is conveyed to the next photographic paper stacking unit 7.

Next, a positioning device for correcting the position of the rotated sheet-shaped photographic paper 5 will be described with reference to FIGS.

4 and 5 show a positioning device for the sheet-like photographic paper 5.
30 is a plan view and a side view showing a schematic configuration and operation of 30. FIG.

The positioning device 30 is arranged following the photographic paper stacking unit 7. The sheet-shaped photographic paper 5 whose orientation has been changed by the photographic paper direction conversion unit K is carried into the photographic paper accumulation unit 7, and a pair of position correction width guides 31 constituting the positioning device 30 from the photographic paper accumulation unit 7. While being conveyed, and being conveyed between the position correction width guides 31 by the feed roller 32 of the positioning device 30, the direction thereof is corrected. The position correction width guide 31 is operated under the control of the control device 6, and can be moved in the width direction according to the width W of the sheet-like photographic paper 5 to be conveyed. The inner surface of the position correction width guide 31 that is in contact with the sheet-shaped photographic paper 5 is formed smoothly.

Before being carried into the image printing section 9, the sheet-like photographic paper 5 is detected by a photographic paper leading edge detection sensor 33 provided on the conveyance path.
Is detected in the feed direction, and this information is input to the control device 6. Accordingly, the direction of the sheet-shaped photographic paper 5 in the transport direction is adjusted by the position correction width guide 31 operated by the control device 6.
To control. In this way, by controlling the position of the sheet-shaped photographic paper 5 in the feed direction based on the photographic paper detection sensor 33, it is positioned at an accurate exposure position in the image printing unit 9.

The position correction width guide may be installed together with the photographic paper stacking unit 7. This embodiment is shown in FIG.

FIG. 6 shows a movable width guide 34 for position correction
It is a top view of the Example in which was installed. As described above, when the sheet-shaped photographic paper 51 is carried into the paper-sheet direction conversion unit K, the direction thereof is changed if necessary.

Next, the movable sheet is moved in accordance with the width of the sheet-like photographic paper 5 to be conveyed, and the direction of the conveyance direction is controlled.

[Effects of the Invention] As described above, according to the first aspect of the present invention, since a plurality of sheet-like photographic papers cut at the cutting unit are accumulated in advance before being conveyed to the image printing unit, the exposure processing speed can be increased. On the other hand, it is possible to increase the degree of freedom of the speed at which the band-shaped photographic paper is conveyed at the cutting section, and it is possible to cope with the high-speed exposure processing with a simple structure. Further, since a plurality of sheets are cut in advance into sheet-shaped photographic paper and a plurality of sheets are stacked, the degree of freedom of the cutting time can be increased, and the exposure processing can be speeded up without speeding up the cutting by the cutter.

[Brief description of the drawings]

FIG. 1 is a schematic view of a printing paper printing apparatus of the present invention, FIG. 2 is a schematic view of another embodiment of the printing paper printing apparatus of the present invention, and FIG.
4A and 4B are plan views and side views showing a schematic configuration and operation of a sheet-like photographic paper positioning device, and FIG. 6 is a photographic paper stacking unit. FIG. 6 is a plan view of an embodiment in which a movable width guide for position correction is installed in FIG. In the drawing, reference numeral 1 denotes a band-shaped printing paper, 4 denotes a cutting section, 4a cutter, 5 denotes a sheet-shaped printing paper, 6 denotes a control device, 7 denotes a printing paper stacking section, 9
Denotes an image printing unit, and K denotes a photographic paper direction conversion unit.

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Yuji Takeda 1 Sakuracho, Hino-shi, Tokyo Inside Konica Corporation (56) References JP-A-63-254432 (JP, A) JP-A-62-116464 ( JP, A) (58) Field surveyed (Int. Cl. ⁶ , DB name) G03B 27/32 G03B 27/46

Claims (1)

(57) [Claims] 1. A printing paper printing apparatus which cuts a band-shaped photographic paper at a cutting section into a sheet-shaped photographic paper, and conveys the sheet-shaped photographic paper to an image printing section for exposure, wherein the cutting section and the image printing section are provided. And a photographic paper stacking unit for stacking a plurality of sheet-shaped photographic papers before exposure.