JPH0655149U - Contact exposure equipment - Google Patents

Abstract

(57) [Summary] [Object] The present invention provides a contact exposure apparatus capable of accurately reading the pattern of a sticker for each type of photosensitive material. [Structure] The contact exposure apparatus 1 sets a cartridge 13 accommodating a photographic photosensitive material 30 having a long roll end in a cartridge setting section 2 and cuts the photographic photosensitive material 30 fed from the cartridge 13 into a predetermined length. Then, a sheet is prepared, and the sheet is exposed and fixed by closely contacting it with the exposure unit 7. The contact exposure apparatus 1 includes a sensitive material type identification sensor 33 for identifying the type of the photographic photosensitive material 30 from the sensitive material type seal 32 of the cartridge 13 set in the cartridge setting section 2.
When the cartridge 13 is positionally regulated in one direction to position the sensitive material type seal 32 so as to face the sensitive material type identification sensor 33, and the cover 3 provided in the cartridge setting unit 2 is closed, the cartridge 13 is pressed and sensed. The pressing means B for urging the material type seal 32 toward the sensitive material type identification sensor 33 is provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a contact exposure device that exposes a photographic light-sensitive material in close contact with an exposure unit.

[0002]

[Prior art]

 As such a contact exposure apparatus, for example, a cartridge containing a long roll of photographic light-sensitive material is set in the cartridge set section, and the photographic light-sensitive material fed from this cartridge is cut into a predetermined length to form a sheet. Then, there is one in which exposure is performed by closely fixing at the exposure part. The long-roll roll photographic light-sensitive material used in such a contact exposure apparatus has various sizes, for example, a width of 350 to 800 mm. Therefore, as disclosed in, for example, Japanese Patent Application Laid-Open No. 2-109053, a sensitive material type identification sensor is provided in the cartridge set portion, and the sensitive material type identification sensor is used to detect the sense of the cartridge set in the cartridge set portion. There is one that reads the pattern of the material type sticker and identifies the type of photographic photosensitive material from this pattern.

[0003]

[Problems to be solved by the device]

 By the way, the photographic light-sensitive material is stored in a large cartridge, and it is difficult to reliably set the cartridge at a predetermined position of the cartridge setting section of the contact exposure device. As a result, a positional deviation occurs between the sensitive material type identification sensor provided in the cartridge set section and the sensitive material type identification sensor of the cartridge set in the cartridge set section, and the sensitive material type identification sensor detects The pattern cannot be read accurately and, for example, the wrong size photographic light-sensitive material may be processed.

Further, the accuracy of the S / N ratio when the pattern of the sensitive material type seal is accurately read by this sensitive material type identification sensor is poor. Therefore, it is possible to use a sensitive material type identification sensor with high detection accuracy, but it is not preferable because the sensitive material type identification sensor becomes expensive.

The present invention has been made in view of the above point, and an object of the present invention is to provide a contact exposure apparatus capable of accurately reading a pattern of a sensitive material type seal. . Further, the invention according to claim 1 aims at providing a contact exposure apparatus capable of enhancing the detection accuracy of the pattern of the sensitive material type seal with a simple configuration.

[0006]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, a device according to claim 1 sets a cartridge containing a long-winding roll of photographic light-sensitive material in a cartridge set section and allows the photographic light-sensitive material fed from the cartridge to have a predetermined length. In a contact exposure device that cuts into sheets and creates a sheet by contacting and fixing in the exposure unit to expose, select the type of photographic material from the photosensitive material type seal of the cartridge set in the cartridge set section. A sensitive material type identification sensor for identifying, a positioning means for positioning the cartridge in one direction and positioning the sensitive material type seal so as to face the sensitive material type identification sensor, and a cover provided on the cartridge setting section. And a pressing means for pressing the cartridge to urge the sensitive material type identification sensor toward the sensitive material type identification sensor. It is characterized by a door.

The invention of the contact exposure apparatus according to claim 2 is characterized in that a pattern of a white portion and a black portion for identifying the type is provided on the photosensitive material type sticker, and the black portion is formed by matte printing.

[0008]

[Action]

 According to the first aspect of the present invention, the position of the cartridge is regulated in one side direction, the sensitive material type seal is positioned so as to face the sensitive material type identification sensor, and when the cover provided in the cartridge set portion is closed, the cartridge is pressed and sensed. By pressing the material type seal toward the sensitive material type identification sensor, the pattern of the sensitive material type seal can be accurately read by the sensitive material type identification sensor.

According to the second aspect of the invention, since the black portion of the pattern provided on the sensitive material type seal is formed by matte printing, light reflection at the black portion is reduced. Therefore, the detection accuracy when the pattern of the sensitive material type sticker is read by the sensitive material type identification sensor is improved.

[0010]

【Example】

 An embodiment of the contact exposure apparatus of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of the close contact exposure apparatus, and FIG. 2 is a transport path of the close contact exposure apparatus. This contact exposure system uses the separated halftone original films that have been color-separated into Y plate, M plate, C plate and black plate to make sure that the original film layout is correct before making the actual printing plate. This device is used to obtain a proofreading product to check for color differences, character errors, etc., and to confirm the finish of printed matter in advance.One or more disassembled mesh films are positioned. By laying it on a color photographic light-sensitive material and sequentially exposing it with color-divided light corresponding to the original film to create a proof (color proof) using a color photo-glare material, we found an error in the separated mesh original. At the same time, the print finish can be confirmed in advance, and the dismantling network original document proofreading work can be performed early.

First, a schematic configuration of this contact exposure apparatus will be described with reference to FIG. A cartridge setting unit 2 is provided on the side of the contact exposure apparatus 1, and the upper and lower two stages of the covers 3 are opened to set the cartridge containing the long roll of photographic light-sensitive material in the cartridge setting unit 2. An operation panel 4 is provided above the cartridge setting section 2, and the operation panel 4 is provided with operation keys 5 and a display section 6 of the system. An exposure unit 7 is provided on the right side of the center of the contact exposure apparatus 1. The exposure unit 7 cuts a long roll of photographic light-sensitive material fed from a cartridge into a predetermined length to form a sheet. Exposure is performed by closely fixing the exposure unit 7. The exposure unit 7 is provided with a light-shielding cover 8, and the light-shielding cover 8 is opened to set a document. Further, a developing section 9 is arranged close to the exposing section 7 to develop the exposed photographic light-sensitive material. A basket 10 is provided on the side of the contact exposure apparatus 1 in the vicinity of the developing section 9 to store the processed paper. A breaker switch 11 is provided on the front side of the developing unit 9, and the breaker switch 11 is a power switch for the entire system.

Next, the transport path of this contact exposure apparatus will be described with reference to FIG. The cartridge setting section 2 of the contact exposure apparatus 1 is provided with storage chambers 12 in upper and lower two stages, and the covers 3 in the upper and lower two stages are opened and closed to set the cartridges 13 in the respective storage chambers 12. The photosensitive material is selected and sent out from each cartridge 13 by driving the paper feed roller 14 and the nip roller 15. The upper cutter 16 or the lower cutter 17 of each photographic light-sensitive material is actuated to cut the photographic light-sensitive material into a specified size to form a sheet.

A suction cup transporting section 19 is movable on the exposure stage 18 of the exposure section 7 in the transport direction. The suction cup transporting section 19 suctions and transports the leading edge of the photographic photosensitive material, and the exposure stage 18 Set on. The exposure table 18 is moved to the upper exposure position, the photographic photosensitive material is brought into close contact with the original at the exposure position, and the light source unit 20 performs exposure. The light source unit 20 contains a light source and a color filter, and scans during exposure.

The exposed photographic light-sensitive material is conveyed to the developing section 9 through the accumulation section 21, and the second exposure section 22 of the developing section 9 reverses the negative image to a hoji image, and the development processing section 23 and the fixing section. The processed paper is processed in the processing unit 24, the stabilization processing unit 25, and the drying unit 26, and the processed paper is stored in the basket 10. A replenishment tank 27 is arranged below the developing processing section 23, the fixing processing section 24, the stabilizing processing section 25, and the drying section 26.

Next, the feeding of the photographic photosensitive material will be described with reference to FIGS. 3 to 9. 3 is a schematic configuration diagram of the cartridge setting section, FIG. 4 is a view showing the arrangement of the sensitive material type identification sensor in the cartridge setting section, FIG. 5 is a perspective view of the cartridge, and FIG. 6 is a plan view showing the pattern of the sensitive material type seal. Fig. 7, Fig. 7 is a front view of the cartridge set section with the cartridge set, Fig. 8 is a plan view of the cartridge set section with the cartridge set, and Fig. 9 is a side view of the cartridge set section with the cartridge set. Is.

A long-roll photographic light-sensitive material 30 is housed in a car ridge 13, and a contact opening is performed with a leading end of the photographic light-sensitive material 30 extended from a drawer port 13 a of the car ridge 13. It is set in the storage chamber 12 of the cartridge setting unit 2 of the device 1. This car ridge 13 has the shape of a rectangular parallelepiped as shown in the perspective view of FIG. 8, and at its corners, there are five four-sided patterns 31 wetted in white or black at a predetermined pitch as shown in FIG. The photosensitive material type seals 32 arranged side by side are attached to predetermined positions of the corners of the rectangular parallelepiped cartridge 13.

Further, as shown in FIG. 4, a sensitive material type identification sensor 33 is provided at a position corresponding to the pattern 31 of the sensitive material type seal 32 on the inner wall of the storage chamber 12 of the cartridge setting section 2. . As the sensitive material type identification sensor 33, a reflection type sensor using a light emitting diode and a photodiode is provided, but it is not limited thereto.

Further, the pattern 31 of the sensitive material type seal 32 of the cartridge 13 is composed of a white portion 31a and a black portion 31b, and the black portion 31b is matt-printed so that the S / N ratio of white and black (detection current The ratio of values) is increased. As described above, since the black portion 31b of the pattern 31 provided on the sensitive material type seal 32 is formed by matte printing, light reflection at the black color portion 31b is reduced, and the sensitive material type identification sensor 33 detects the sensitive material. The detection accuracy when reading the pattern 31 of the type seal 32 is improved, and thus the margin value for the gap between the sensitive material type identification sensor 33 and the sensitive material type seal 32 can be increased.

A cover 3 is provided on the cartridge setting unit 2 so as to be openable and closable via a hinge 40, and a mounting plate 41 is provided in the storage chamber 12, and a pair of guide pins 42 are provided on the mounting plate 41. Has been. A positioning plate 43 is movably provided on the guide pin 42. The positioning plate 43 is biased by a spring 44 so as to regulate the position of the cartridge 13 set in one direction, and a wire 45 is attached to the positioning plate 43. The wire 45 is attached to the lower roller 46 and the upper roller. It is connected to a mounting member 48 of the cover 3 via 47. Therefore, when the cover 3 is opened, the positioning plate 43 is pulled through the wire 45 against the spring 44, and the cartridge 13 can be set. When the cartridge 13 is set and closed, the positioning plate 43 is pushed by the spring 44 so as to regulate the position of the cartridge 13 in one direction, and the end portion of the cartridge 13 is stored in the storage chamber 12 of the cartridge setting unit 2. Press against the inner wall of the. As a result, the sensitive material type seal 32 of the cartridge 13 is made to face the sensitive material type identification sensor 33 provided on the inner wall of the storage chamber 12 of the cartridge setting section 2. In this way, the mounting plate 41, the guide pin 42, the positioning plate 43, the spring 44, the wire 45, and the cover 3 positionally regulate the cartridge 13 in one direction to identify the sensitive material type seal 32. Positioning means A for positioning the sensor 33 so as to face the sensor 33 is configured.

A spring 50 is provided on the inner wall of the cover 3, and when the cover 3 is closed, the spring 50 pushes the cartridge 13 to urge the sensitive material type seal 32 toward the sensitive material type identification sensor 33. In this way, when the cover 3 provided on the cartridge setting unit 2 is closed by the spring 50 and the cover 3, the cartridge 13 is pressed to press the sensitive material type seal 32 to the sensitive material type identification sensor 33. It constitutes B.

Therefore, in the set of the cartridge 13, the end portion of the photographic photosensitive material 30 is pulled out from the cartridge 13 and cut along the end portion of the cartridge 13, so that the photographic photosensitive material 30 has a bent tip. except for. Then, the cover 3 of the cartridge setting section 2 is opened, the right side photosensitive material setting lever 60 is raised, and the empty cartridge 13 is taken out. In this state, when the cover 3 is opened, the wire 45 pulls the positioning plate 43 against the spring 44 and pulls it to the right end. For this reason, the photosensitive material outlet 13a of the new cartridge 13 is brought to the front, and the cartridge 13 is aligned with the left end of the storage chamber 12 of the cartridge setting section 2.

Then, while pressing the center of the cartridge 13, the photographic photosensitive material 30 is pushed between the paper feeding roller 14 and the nip roller 15, the photosensitive material setting lever 60 is lowered, and the cover 3 of the cartridge setting section 2 is closed. The positioning plate 43 pushes the cartridge 13 by the spring 44.

Therefore, when the position of the cartridge 13 is regulated to one side and the sensitive material type seal 32 is positioned so as to face the sensitive material type identification sensor 33 and the cover 3 provided in the cartridge setting section 2 is closed, the spring 50 is moved. The cartridge 13 is pushed to urge the sensitive material type seal 32 toward the sensitive material type identification sensor 33, whereby the sensitive material type identification sensor 33 can accurately read the pattern 31 of the sensitive material type seal 32. For this reading, the pattern 31 of the sensitive material type seal 32 attached to the cartridge 13 is determined by a combination of five sensors of the sensitive material type identification sensor 33. According to the discrimination by the sensitive material type sticker 32, the indication is displayed on the operation panel 4, and the suction classification of the exposure table 18 and the switching of the replenishment amount are automatically switched. If this judgment is erroneously detected, it will affect many movements such as automatically switching the inhalation zone and replenishment amount, etc. Therefore, after setting the photo-sensitive material 30, be sure to display the operation panel 4 display. Check. In this case, the correction values of the sensitivity indexes Y, M and C that suppress the variation of the rod of the photographic light-sensitive material 30 can also be read.

The feeding of the photographic light-sensitive material 30 stored in the cartridge 13 is performed by pressing the paper feed roller 14 and the nip roller 15 by the closing operation of the photosensitive material set lever 60, and the paper feed roller 14 and the nip roller 15 are fed. And are driven by the paper feed motor 61 and are conveyed. The encoder roller 62 rotates depending on the photographic light-sensitive material 30 being conveyed, and the fixed-pulse feed control is performed by counting the number of pulses of the encoder mounted coaxially. Drive the lower cutter 17 into a sheet. The photosensitive material position detection sensor 63 detects the position of the photographic photosensitive material 30 and drives the suction cup conveying section 19 to convey the photographic photosensitive material 30. During the photosensitive material feeding operation, the presence / absence of the photosensitive material 30 is detected by the photosensitive material presence / absence detection sensor 64.

[0025]

As described above, according to the first aspect of the present invention, the cartridge is positionally regulated in one direction to position the sensitive material type seal so as to face the sensitive material type identification sensor, and the cartridge is set on the cartridge set portion. When the cover provided is closed, the cartridge is pushed to urge the sensitive material type seal toward the sensitive material type identification sensor, so that the cartridge is surely positioned, and the sensitive material type identification pattern is accurately determined by the sensitive material type identification sensor. The photographic light-sensitive material of the wrong size will not be erroneously detected, and appropriate processing such as automatically switching the replenishment amount will be possible.

In the invention according to claim 2, since the black portion of the pattern provided on the sensitive material type seal is formed by matte printing, light reflection at the black portion is reduced, and the sensitive material type identification sensor is provided. With the simple structure, it is possible to improve the detection accuracy when reading the pattern of the sensitive material type sticker.

[Brief description of drawings]

FIG. 1 is a perspective view of a contact exposure apparatus.

FIG. 2 is a conveyance path of a contact exposure apparatus.

FIG. 3 is a schematic configuration diagram of a cartridge setting unit.

FIG. 4 is a diagram showing an arrangement of sensitive material type identification sensors in a cartridge setting unit.

FIG. 5 is a perspective view of a cartridge.

FIG. 6 is a plan view showing a pattern of a sensitive material type seal.

FIG. 7 is a front view showing a state where a cartridge is set in the cartridge setting section.

FIG. 8 is a plan view showing a state where the cartridge is set in the cartridge setting section.

FIG. 9 is a side view showing a state where the cartridge is set in the cartridge setting section.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Contact exposure apparatus 2 Cartridge setting section 3 Cover 7 Exposure section 13 Cartridge 30 Photosensitive material 32 Sensitive material type seal 33 Sensitive material type identification sensor A Positioning means B Pressing means

Claims (2)

[Scope of utility model registration request] 1. A cartridge containing a long roll of photographic light-sensitive material is set in a cartridge setting section, and the photographic light-sensitive material fed from this cartridge is cut into a predetermined length to form a sheet in an exposure section. In a contact exposure apparatus that fixes the cartridge by contact, the photosensitive material type identification sensor for identifying the type of photographic photosensitive material from the photosensitive material type seal of the cartridge set in the cartridge setting section, and the cartridge are positioned in one direction. Positioning means for restricting and positioning the sensitive material type seal so as to face the sensitive material type identification sensor, and closing the cover provided on the cartridge set portion pushes the cartridge to push the sensitive material type seal to the sensitive material type seal. A contact exposure apparatus comprising a pressing unit that urges the identification sensor. 2. The contact exposure apparatus according to claim 1, wherein a pattern of a white portion and a black portion for identifying the type is provided on the photosensitive material type sticker, and the black portion is formed by matte printing.