JP2721991B2 - Photographic processing equipment photographic paper auxiliary cutting machine - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a photographic paper auxiliary cutting machine for a photographic processing apparatus.

2. Description of the Related Art A photographic processing apparatus (lab system) is an apparatus for printing images on a film onto photographic paper to automatically and continuously obtain photographs.

The photographic processing apparatus includes an exposure process section A for generating light for exposure, a printing process section B, a process process section C for developing, fixing, and washing with photographic paper, and a drying process for drying photographic paper. The auxiliary cutter, which is broadly divided into a section D and an object of the present invention, is provided in a partition wall section that separates the printing section B and the processing section C, and is provided for cutting photographic paper at this section. For example, when an abnormal state such as a jam occurs during continuous conveyance of photographic paper, it is used to cut the photographic paper when pulling out the processing tank or the like to the front of the main body for recovery. A shutter that blocks external light entering the printing process section B, that is, a shield plate and an auxiliary cutter are separately and independently operated, so that the auxiliary cutter can be operated without setting the shield plate in a shielded state. It was.

[Problems to be Solved by the Invention] However, since the conventional photographic paper auxiliary cutting machine of the photographic processing apparatus is configured as described above, it is necessary to operate the shutter, that is, the shielding plate and the auxiliary cutter separately. The problem is that the operation is troublesome, and the operation procedure is not uniform. As a result, harmful gas generated from the processing section C can be eliminated by setting the passage opening of the separator plate to a shielding state by a shielding plate. The harmful light beams must be prevented from entering the printing process section B. For example, the photographic paper P which has been jammed by operating the auxiliary cutting machine with the passage opening of the separator kept in the shielding state without the shielding plate being closed. May be cut off,
As a result, the harmful gas and the harmful external light are transmitted to the printing process section B.
There was a problem of getting inside.

Therefore, the photographic paper auxiliary cutting machine of the photographic processing apparatus of the present invention has been made in view of the above-mentioned problems, and the objects of the first and second aspects of the present invention are as follows. In addition to facilitating the operation, the operation procedure is made uniform, and harmful gas generated from the processing section C and external light entering when the cover of the main body is opened are prevented from entering the printing section B. Another object of the present invention is to provide a photographic paper auxiliary cutting machine for a photographic processing apparatus.

Another object of the present invention is to automatically stop the main body during the cutting operation.

A fourth object of the present invention is to make it possible to easily replace an exchange blade of a cutter.

Means and Action for Solving the Problems In order to solve the above-mentioned problems and achieve the object, a photographic paper auxiliary cutting machine of a photographic processing apparatus according to the present invention performs printing on a continuous photographic paper in a dark box. A photographic processing apparatus provided in a partition for separating a printing step to be performed and a processing step of developing, fixing, and washing the photographic paper, and cutting the photographic paper when an abnormality occurs in a supply operation of the photographic paper; A paper auxiliary cutting machine, wherein the partition wall portion having a first passage opening through which the photographic paper passes from the baking step to the processing step is provided, and is substantially opposed to the first passage port provided in the partition wall portion. A guide base having a second passage opening formed therein, and a state in which the first and second passage openings are shielded and opened between the guide base and the partition wall so as to be vertically movable. And a longitudinal direction of the guide base. A cutter having an exchange blade slidably attached thereto, wherein the shielding plate shields the first and second passage openings,
The cutting operation of the cutter is performed by holding the printing paper at the lower end of the shielding plate.

Preferably, an operation grip is formed on each of the cutter and the shield plate, and only when the shield plate shields the first and second passage openings, the cutter operation of the cutter is performed. In addition, the cutter is returned to the movement start position by operating the gripping portion of the shielding plate to open the shielding plate.

Further, preferably, the apparatus further comprises a detecting means for detecting an opening state of the shielding plate, and detects an opening state of the shielding plate.

Preferably, the cutter is detachably provided from the guide base, and the replacement blade is replaced after removing the cutter from the guide base.

Example An example will be described below with reference to the drawings.

FIG. 1 shows a schematic configuration diagram of a photographic processing apparatus. The configuration and operation of the photographic processing apparatus will be described with reference to FIG. 1. The main body 50 includes an exposure process section A for generating light for exposure,
Baking process section B, processing step C for developing, fixing and stabilizing photographic paper, and drying process section D for drying photographic paper, each of which is a vertical partition plate 100, It is divided by a horizontal partition plate 101 as shown in the figure.

Then, an exposure process section A provided at the upper center of the main body 50
Irradiates light in a substantially horizontal direction from a white light source 53 composed of a halogen lamp or the like, and irradiates the light with color correction filters 54 for the three primary colors of yellow (Y), magenta (M), and cyan (C). Partially pass through the adjacent light diffusion tube
Light enters into 55. The inside of the light diffusion tube 55 is formed as a reflection surface and bends the optical path vertically downward at a right angle, and diffuses and mixes the incoming light to emit light having a uniform color tone to the lower printing process section B below.

Negative carrier 56 constituting the uppermost part of this printing process section B
Is provided on the upper surface of the main body 50, and allows the operator to exchange and move negatives. This negative carrier 56
The light shown by a broken line passing through the negative portion of FIG. 1 is adjusted in focus by a lens device 57 having a shutter driven by an electromagnetic drive source disposed on the optical axis, and is framed by an easel 58. The photographic paper P is guided on the printing screen of the photographic paper P pulled out on the lower exposure plate 60 to expose the photographic paper P. Therefore, by changing the focal length of the lens of the lens device 57 and the vertical direction of the lens on the drawing, the magnification ratio is changed so that many combinations of various negative sizes and photographic paper sizes can be obtained. I can do it.

On the other hand, a part of the light that has passed through the negative portion of the negative carrier 56 is reflected by the mirror M so that the negative image can be confirmed from the outside.

The photographic paper P, which is housed in the magazine 59a and is sufficiently light-shielded so that it can be easily handled in a light room and is exchangeable, is housed as roll paper 59 and is pulled out as necessary. 59b is provided for this. The photographic paper P exposed on the exposure plate 60
During the transport, a cut mark is given to a position corresponding to each photograph by, for example, a hole punch 62,
Necessary information is written on the back surface by the printing mechanism 61.
A cutter K is provided near the hole punch 62 so that the photographic paper P can be cut at this portion.

Thereafter, a loop storage section 64 is provided on the last path of the exposure section, and passes through the auxiliary cutter 63 to be sent to the processing section C. After that, it is transported to the processing tank 65.

The loop storage section 64 allows the length of the photographic paper P to be adjustable by giving the photographic paper P a thickness as shown in the drawing, so that the exposure speed of the photographic paper P at the exposure plate 60 and the processing speed at the processing tank 65 are controlled. The difference between the processing speeds is buffered and absorbed so that the operation of the photographic paper P is not interrupted while the photographic paper P is continuously running.

On the other hand, the processing tank 65 contains a developing solution, a bleaching solution, and a fixing solution.
The photographic paper P, which is divided and filled into five seed tanks, is subjected to predetermined processing while passing through each liquid, and development and fixing of the exposed portion are performed.

The photographic paper P that has exited the processing tank 65 is then sent to a drying section D for drying the photographic paper. A drier 66 is provided in the drying section D. The drier paper 66 is dried while the photographic paper P passes through the drier 66, and then travels while forming a loop in the flap unit 67. Ivy
The difference in the running speed between the intermittent feed at 68 and the continuous feed from the dryer is adjusted, and finally, the cutter 68 cuts each cut mark, and is output from the outlet 69 to the outside of the main body 50. It is configured to be dropped and fed into a sorter 70 placed on the upper surface of 50.

FIG. 2 is a front view of the photographic paper auxiliary cutting machine of the photographic processing apparatus of the embodiment, and shows a state viewed from the processing section C side of the photographic processing apparatus 50 of FIG. It is also expressed. In FIG. 2, the printing paper P is conveyed to a processing section C from a passage 100a shown by a dashed line in the partition plate 100 as shown.

A passage opening formed at a position substantially opposite to the passage 100a
The guide base 1 having the hole 1a is fixed to the partition plate 100 by a screw. The guide base 1 is vertically movable between the guide base 1 and the partition plate 100, and shields the passage opening 100a and the passage opening 1a. The shutter 5 that slides between the open state and the open state is slidably guided in the vertical direction.

In order to guide the shutter 5 in a vertical direction, the shutter 5 is provided with a pair of guide grooves 5a shown in the figure, and a pair of pins 7 shown in a broken line and shown in FIG. Guide groove 5a is guided. This situation is
This is more clearly shown in FIG. 3 which is a cross-sectional view taken along the line AA of FIG. 2, and the guide base 1 is stepped and bent as shown in FIG. In the stopped state, the guide space portion of the shutter 5 is formed, and the shutter 5 is guided between the partition plate 100 and the guide base 1.

When the shutter 5 is moved downward by an operation described below, the photographic paper P shown by the broken line is urged downward by the passage port 100a and the lower side surface of the passage port 1a and the arc portion 5d of the shutter 5, and is pressed. The state is shown as a dashed line. Here, the circular arc portion 5d is subjected to a smoothing treatment so that the emulsion surface is not damaged even if the emulsion coated surface of the photographic paper P is directly touched.

Again, in FIG. 2, at the position where the photographic paper P is transported from the passage opening 1a, the side surface 5c of the shutter 5 is
Since the switch 10 fixed to the upper position is set to a position where the switch 10 is turned on, the state of the shutter 5 can be detected by a control device (not shown) to which the switch 10 is connected.

Further, the gripper 5b of the shutter 5 is bent toward the upper side of the paper surface, and the operator pulls out the gripper in the direction of arrow D, so that the passage port 100 of the shutter 5 can be opened.
a, 1a is shielded.

Next, a left end portion 2c of the cutter base 2 having a pair of guide grooves 2a slidably guided by a pair of pins 9 provided in the guide base 1 in the longitudinal direction is provided with a blade. A cutter 3 having a portion 3a is attached. This vase base 2
Also, a grip portion 2b similar to the grip portion 5b of the shutter 5 is formed, and is located inside the grip portion 5b as shown in the figure, and it is necessary to pull out the grip portion 5b,
The operation of the grip portion 2b cannot be performed. That is, the operating procedure of the cutter base 2 provided with the shutter 5 and the cutter 3 is determined by these gripping portions.

A set hole 2c having an outer diameter larger than the outer diameter of the pin 9 is formed at the left end of the guide groove 2a, and the cutter base 2 is detachable from these set holes 2c. When the sharpness of the ivy 3 becomes poor, the ivy base 2
Can be replaced from

The operation of the photographic paper auxiliary cutting machine of the photographic processing apparatus described above will now be described.

4 and 5 are explanatory diagrams of the operation of the photographic paper auxiliary cutting machine of the photographic processing apparatus.

First, when a trouble such as jamming occurs in the photographic paper P, a cutting operation of the photographic paper P is performed to move the processing tank out of the main body in order to restore the photographic paper P to a normal state. In FIG. 3, the shutter 5 is pulled out in the direction of arrow D, and the photographic paper P is pressed by the arc 5d of the shutter 5.

Next, in FIG. 4, the gripping portion 2b of the cutter base 2 is moved in the direction of arrow E, and the photographic paper P, which is in a state of being pressed by the passage openings 100a and 1a and the arc portion 5d of the shutter 5, is moved in the width direction. And the cutting of the printing paper P is completed.

When the cutting of the photographic paper P is completed and the restoration work is completed,
First, the cutter base 2 is moved in the direction opposite to the arrow E, the end of the photographic paper P is grasped by hand, and then the shutter 5 is moved in the direction opposite to the arrow D to return to the state shown in FIG. .

As described above, according to this embodiment, the operation procedure can be made uniform, while the cutting operation is automatically interrupted during the cutting operation, and the cutter can be replaced.

It should be noted that the auxiliary cutting machine of the present invention can be applied to all devices for handling continuous paper and sheets, and can be configured as a cutter alone and supplied in a so-called OEM manner.

[Effects of the Invention] As described above, according to the photographic paper auxiliary cutting machine of the photographic processing apparatus of the present invention, the operation is facilitated, the operation procedure is made uniform, and the harmful gas generated from the processing step is eliminated. When,
It is possible to provide a photographic paper auxiliary cutting machine of a photographic processing apparatus in which external light that enters when the cover of the main body is opened is prevented from entering the printing process.

Further, it is possible to provide a photographic paper auxiliary cutting machine of a photographic processing apparatus capable of automatically interrupting a main body during a cutting operation.

In addition, it is possible to provide a photographic paper auxiliary cutting machine of a photographic processing apparatus that allows a cutter blade to be easily replaced.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a photographic processing apparatus, FIG. 2 is a front view of a photographic paper auxiliary cutting machine of the photographic processing apparatus of the embodiment, FIG. 3 is a cross-sectional view of FIG. 4 and 5 are explanatory views of the operation of the photographic paper auxiliary cutting machine of the photographic processing apparatus. In the drawing, 1 ... guide base, 2 ... cutter base, 3 ... cutter, 5
... Shutter, 5a ... Guide groove, 5d ... Arc part, 10 ... Switch,
Reference numeral 100 denotes a partition plate, 100a denotes a passage port, and P denotes a photographic paper.

Claims (4)

(57) [Claims] An image forming apparatus comprising: a partition for separating a printing step of printing on a continuous printing paper in a dark box from a processing step of developing, fixing, and washing the printing paper; A photographic paper auxiliary cutting machine for a photographic processing apparatus that cuts the photographic paper when an abnormality occurs in operation, the partition wall having a first passage opening through which the photographic paper passes from the printing step to the processing step. A guide base provided in the partition and having a second passage opening formed in a position substantially opposite to the first passage, and vertically movable between the guide base and the partition. A shielding plate for blocking and opening the first and second passage openings; and a cutter having an exchange blade slidably slidable in a longitudinal direction of the guide base. In a state of shielding the first and second passage openings Paper auxiliary cutter photographic processing apparatus, characterized in that to the shielding plate the printing paper Katsuhito operation of the Katsuta holds at the lower end portion of the. 2. An operation grip portion is formed on each of the cutter and the shield plate, so that the cutter can be operated only when the shield plate shields the first and second passage openings. By operating the grip portion of the shield plate to open the shield plate, the cutter and the grip portion of the shield plate are arranged in a positional relationship in which the cutter returns to the movement start position. 2. The photographic paper auxiliary cutting machine according to claim 1, wherein the photographic paper auxiliary cutting machine is provided. 3. The photographic paper auxiliary cutting machine according to claim 1, further comprising detection means for detecting an opening state of said shielding plate. 4. The apparatus according to claim 1, wherein said cutter is detachably provided from said guide base, and said replacement blade is replaced after said cutter has been removed from said guide base. The photographic paper auxiliary cutting machine of the photographic processing apparatus described in the above.