JPS587638A - Exposing device - Google Patents

Abstract

PURPOSE:To form photosensitive materials for printing of large sizes which are convenient for continuous exposure by providing the 2nd transfer means which is so arranged as to be guided and moved within the horizontal plane upper by one step than the horizontal plane inclusive of a transfer passage by a transfer means. CONSTITUTION:A supply part 10 and an exposure part 40 are provided on the front surface side of a device in such a way that the part 10 is located below the part 40. The photosensitive material (expressed as PS plate hereinafter) supplied to the part 10 is fed to the part 40 in the 1st transfer passage by a plate feed conveyor 30 which is driven by an air cylinder AC4 or a motor M3. From the part 40, it is fed to the next stage by the 2nd transfer means consisting of a paper feed carrier 55 driven by an air cylinder AC16. The 2nd transfer means is so arranged as to be guided and moved by an actuator AC18 within the horizontal plane upper than the horizontal plane inclusive of the transfer passage by the 1st transfer means, in the transfer passage during the process where it is transferred from the part 40 to the next stage.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to exposure kffiK, and particularly to an exposure apparatus suitable for continuously exposing a large-sized photosensitive material for printing plates.

For example, the 18th plate (photosensitive material for plate making for offset printing with a photosensitive resin on an aluminum main substrate) used as a photosensitive material for large-sized printing plates such as those used for newspaper printing is sometimes large. A European-class machine is desired.

When handling Pa plates by machine, it is desirable that the exposure equipment be able to perform printing exposure as continuously as possible in order to match the processing speed of the next process, such as the development process. was.

The present invention was devised in view of the above circumstances, and its object is to provide an exposure apparatus suitable for continuous exposure of S-format materials for large-sized printing plates.

The above object of the present invention is to provide an exposure section having an exposure means for exposing a photosensitive material, a supply section for the photosensitive material, a first transfer means for transferring the supplied photosensitive material to the exposure section, and a first transfer section for transferring the supplied photosensitive material to the exposure section; In an exposure apparatus in which the transfer hand Wk* of ts2 transfers the photosensitive material from the exposure section to the next process, the supply section and the side light section are on the top side of the exposure device, and the supply section is below the front exposure section O. In the process of transferring the photosensitive material from the exposure section to the next step, the entire transfer path is approximately one level higher than the approximately horizontal plane including the transfer path by the first transfer means. This is achieved by an exposure control characterized by having a mechanism for moving within a horizontal plane.

Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a right-hand diagram schematically showing an outline of a PS plate exposure system according to an embodiment of the present invention, and FIG. 2 is a cut-out diagram. Hereinafter, the configuration of the test neck of this example will be explained based on both figures.

There is a PS plate supply section (hereinafter referred to as the single K "supply section") 10 in the lower part of the assembly of this device. The supply unit 10 can directly set the PS plate loaded on the portable table IN.

It also has a lift-up mechanism that maintains the position of the 4th top layer constant when the remaining amount of the Ps plate becomes low.

Above the supply unit 10, there is a plate feeding mechanism 20 that takes out the P8 plates one by one. Plate feeding mechanism 20Fi multiple O suction cup 21i,
21Bl 210, 2In and multiple air cylinders that move them up and down 01. AO2゜mu03 and pslli
Take-out part 23 having separation air outlets 22A, 22B, etc.
motor M moves forward and backward (in the direction of the arrow in Figure 1) above the supply section.
You can move at 1! It is structured as follows.

Behind the plate feeder WII 20, there is a plate feed conveyor 26 that receives the I'lt plate sent from the plate feed mechanism 20, creates it, and transports it upward. Nip roller 26 in the receiving section
A, 26B and the conveyor section 26 are driven by the same motor M2.

Diagonally above and behind the plate feeding conveyor 25 is a plate feeding conveyor 30 which has the full function of changing the direction of the Pa plate. The plate feeding conveyor 30 is swingable about the axis Btt as shown by the arrow 0 in the m1 diagram. This swinging motion is executed by the air cylinder 04.

Also, the plate feeding conveyor is 30Kt'! A pre-adjustment mechanism for PS printing is provided. This preliminary Im adjustment mechanism corrects the position of the PS plate in the left and right direction using an air cylinder 05 from the 0 position M in the front and back direction of the PS plate when it is placed in the bin by the movement of the conveyor.

In front of the plate feeding conveyor 30 (at the front in the transport direction of the PS plate), there is a guide plate 35! It is. Guide plate 35
can swing between a position 3δ shown in solid lines in FIG. 1 and a position 35' shown in phantom lines. This swinging motion is executed by the air cylinder AO19.

An exposure section 40 is provided on the forward side of the guide plate 35 in the transport direction and above the supply section. The details of the exposure section will be described later, but first the plate supply carrier 4 supplies the PS plate to the exposure section.
5 will be explained.

Plate feeding carrier +5 has multiple suction cups 46A, 46B#...
This is a carrier that absorbs and transfers the entire right end of the PS plate, and is configured to be able to reciprocate between the U base section 40 and the plate feeding conveyor 30 by a motor M4.

The exposure unit O includes an exposure light source LP, its cooling fan, an M light control mechanism, and a light shielding hood IIn? In addition to the 11Cd positioning mechanism on the surface plate 41 in the longitudinal and lateral directions, the cover sheet for manuscript and vacuum sealing on the pS plate, the OII confirmation/winding movement, the squeezing mechanism 42, etc. is provided.

The positioning mechanism uses the right edge of the #IC fixed on the surface plate 41 (corresponding to the so-called "ground side"), the reference bin 43, which settles within the fixed position 41+1 during plate feeding, and is fixed only when necessary. Board 4
The rear edge reference bins 43E, 430 and 03 reference bins blowing out on the rear edge reference bins 43E and 03 and the rear edge reference bin kPB& are positioned in m contact (left and right direction), 44m!
It consists of (frontward direction).

Manuscript and vacuum! ! Worn cover sheet) 0 sending out.

The winding and squeezing mechanism 2 consists of a movable pull 420 having a cover sheet 42A and a squeeze ruler 42B, and a sheet nip 542D that holds the tip of the cover sheet. , The V-movement block 42 is configured as a snake that can be moved forward and backward by the motor M5. Further, the sheet nip portion 42D#i air cylinder AO5 [operates.

The surface plate 41 is provided with air supply holes at a plurality of locations, including the exhaust holes for vacuum delivery during PS exposure. When this air supply hole p811i is supplied to the exposure section, when the PS plate is transferred within the exposure section, or when the 71g plate is discharged from the fog light section and the 78 plate is moved above the surface plate 41, The K12 key is sharpened to allow the K8 plate, which has sharp edges, to be moved smoothly. In addition, in the apparatus of this embodiment, the plate feeding carrier 45 and the plate discharging carrier 56 may be transferred by suctioning only the edge of the 78 plate, using a so-called cantilever conveyance or transfer method. This allows for smooth transfer. Shape and distribution of the air hole! It is possible to take the form of a company III glaze.

Exposure 1! The plate discharge mechanism 60 for transporting all of the P8 plates from 640f1 to 640f1 will be explained next. The discharge & mechanism 60 includes a discharge plate carrier 55. The aforementioned guide plate 35. Discharge roller pair 5
8 and a plate discharge conveyor 59.

Discharged plate carrier rolling multiple suction Ik56A, 56B.

10. It is a carrier that attracts and transfers the left end of the 78 plate, and is equipped with a lifting mechanism using an air cylinder *o18, and can be moved back and forth between the paper exposure 1140 and the 1 plate discharge loaf 9I458 using a motor M. Composed like a turtle-
Ru.

As mentioned above, the guide plate 36 is moved by the air cylinder OLG to the position indicated by the first position - and moved to the large position W35', and then moves to the position P.
8IIi) Guide to P-Ra pair 58.

A plate discharge roller pair 68 is driven by a motor M8 and transports the PS plate onto the plate discharge conveyor 59. - The plate discharge conveyor 59 is driven by the motor MQK, and sends the pBk to the next process, for example, a development line. This plate discharge conveyor 59
is installed above the IR4R4 transfer conveyor with a slight connection between the ps plate being printed and fed, and the bp plate being ejected.
A different cherry blossom path is formed in version a.

In addition, in the above explanation, details of each mechanism are not explained.
Although some explanations about the 1 mechanism are omitted,
For example, I1 and carrier 45? Sera to 7J position),
Stopping at the specified position and returning to the initial position at the time of 1iilJ
The aI return ◆ is executed sequentially according to the program set in the sequence programmer based on signals from the plate feeding carrier detecting means provided at each position.

The operations of other carriers, conveyors and air cylinders are similarly controlled.

The control unit 60 that performs these controls has a built-in microcomputer, and can easily respond to changes in steps and the like.

The operation of the apparatus of this embodiment configured as described above will be explained below according to the steps shown in FIG.

(1) Set the required amount of preparation 78 plates in the supply unit 10 with their photosensitive surfaces facing upward. Exposure [Set the cover sheet of I40 at the predetermined position. Put all the transport means etc. in the initial state. Vacuum pumps P8 to F,, operate compressor a ◇■Transfer■ By pressing the switch) Removal 8123 of the plate feeding mechanism 20 is ps
After descending on ′hi and adsorbing its top layer l&, −E
play with At this time, the inner suction cup 2111.210 is attached to the air cylinder 05. Due to the action of MU 02, the rise of the center part of the 28th plate is slightly delayed, and the air intake 1122 MU, 22B&(:
Combined with the air blowing, only the top layer PS& is completely separated. Take-out section 23 where the 28th edition arrived
is driven by the motor M1 and moves away, and the PS plate is transferred to the 13th plate receiving roller pair 26mt26nx of the plate feeding conveyor 2b.
hand over. From then on, PS version i! It is transferred onto the plate feeding conveyor 25 and traced onto the east first plate conveyor 30.

When it is detected that the ps& has reached a predetermined position [jl on the plate feeding conveyor 30, the drive motor M of the plate feeding conveyor 30 is activated.
3 is the normal l when sending psWkg! The PS version was rotated at a low speed for alignment, and the PS version received 11 du' in the direction of force and 11 du' in the 11 alignment bin (not shown).
At the same time, the sand is suppressed to the right by the air cylinder 05 to receive sand at position -1 in the left and right direction.

In parallel with this, the plate feeding conveyor 30#i moves upward KM from the air cylinder 04#c and reaches a substantially horizontal position, and here, the piik is moved by the plate feeding carrier 45. That is, ps& is supplied to the plate feeding carrier +50 standby position by one excitation operation, and is sucked by the suction cups 46, 46Be, . . . of the plate feeding carrier cow δ. When it is detected that the PS plate has been adsorbed, the PS plate is transferred to the exposure section 40 by passing through the plate feeding carrier 45Fi above the guide 5δO. The plate feeding carrier 45Fi, P8&, exposed to the exposure unit 4CICM is released from adsorption and returns to the initial position by itself.

The PS plate transferred to the book setting exposure section 40 is transferred to the above-mentioned positioning machine #I.
Receives positioning operation from IK.

As is clear from the above description, the positioning operation is performed by bringing the right edge and the posterior sacrum edge of the 18th edition into contact with the reference bin. First of all, the body position is determined by the pusher 44B and the PS version t-rear edge reference bins 43B, 43o.
After touching it, this state [! NtJ11N', butsusha44A4cJ:! JP S & ground side reference bin 43
complete the inward positioning.

(a) Exposure exposure! ! ! pm at the hint line where positioning is completed at 40
Develop a cover sheet coated with m-human origin. this(
After holding the tip of the safety cover sheet with the sheath nip 1I42D, drive the motor M5, and then
The cover sheet is sent to the PI block 42 (Its#'g) and the cover sheet is squeezed by the squeeze roller 42BK from immediately behind.

In synchronization with the completion of the expansion of the cover sheet, the area under the cover sheet is evacuated, and when a predetermined degree of vacuum is reached, the air cylinder 011 is operated to lower the light-shielding hood onto the cover sheet to cover the PS plate. Useless w1 other than the exposed part
A predetermined printing exposure is performed on PSk in such a way that no yellow color ψ is produced. When the exposure is completed, the light shield is raised 7-Y, the vacuum Vr is released, the original and the cover sheet are dyed 1#, and the positioning is also released.

What transfer? When the source capital and accompanying M operations are completed, 5
Till! The plate discharge carrier 65 is an air cylinder AC180
As a result of the action, it will fall, and P8 sales will move by one and rise. At the same time, the guide plate 35 moves from the position 35 indicated by the 21f solid line to the position 35'K11l indicated by the phantom line. The #depression carrier 56 is driven by the motor M7 and transports the PS plate toward the fiJ #plate roller pair 58. In this case, the part that is not absorbed by the printing plate carrier 55 is the guide ll13δ.
'.

yl, lal: selling roller pair 5811: discharging plate: l Continuously transferred onto the stack 759.

(6) 411 more! ! Although omitted in the explanation of each step above, the number transfer means etc. return to the initial position K after completing the specified operation.
Al*I, so I'm currently in the middle of a summer vacation.

It is also possible to sell the next PG&tII& and prepare for exposure within the range of overlap with the PS version.

The same goes to the school building where the O printing exposure is continued from S to O.
&ta[[Repeat the above 4o steps as many times as necessary for the ps version. Also, if the printing exposure from another 0*m costs 46, set only the original, and if there is -, set a combination of a previously prepared original and a cover sheet, and repeat the above steps.

The P8 transfer method, non-light method, positioning method, etc. used in the above-mentioned actual MFLJ device are given as examples, and the present invention should not be limited thereto.

Furthermore, it goes without saying that with respect to changing the transfer direction, which is a key point of the present invention, various changes can be made within the scope of the technical idea of the present invention.

Furthermore, it is clear that the exposure apparatus of the present invention can be used not only as the P3 plate illumination apparatus (t) shown in the above embodiment, but also as a light attenuation apparatus for other kinds of light-sensitive materials. Probably.

As described above, according to the present invention, there is provided an exposure section having all the exposure means for exposing a photosensitive material, a photosensitive material supply h6,
An exposure apparatus k having a first transfer means for transferring the photosensitive material supplied to the crane supply section to the exposure section, and a second transfer means for transferring the photosensitive material from the exposure section to the next step, The supply section and the exposure section are provided on the front side of the exposure apparatus such that the supply section is located below the exposure section, and the second transfer means Fi transfers all of the photosensitive material from the exposure section to the next step. In the transfer process, the entire transfer V', including the transfer path 1 by the first transfer means, is configured to have a mechanism for guiding and transferring the entire transfer path within a substantially horizontal plane 11 above the substantially horizontal plane. An exposure axis # suitable for continuously exposing a light-sensitive material can be provided.

[Brief explanation of the drawing]

FIG. 1 is a schematic right side view showing an outline of a P8 version of the incense cover showing one embodiment If4 of the present invention, FIG. 2 is a front view of the same, and FIG. 3 is a diagram showing the operation steps of the embodiment device. . 10! Supply unit, 20: Plate feeding mechanism, 25: Plate feeding conveyor,
30: plate supply/discharge conveyor, 35 guide plate, key o: m tip, 41: surface plate, 46: plate supply carrier, 50: plate discharge mechanism,
55; Discharge carrier, 6O: *+ Ome. ShiS,・

Claims (1)

[Claims] an exposure section having an exposure means for fully exposing a photosensitive material, a supply section for the photosensitive material, a first transfer means for transferring the entire photosensitive material body supplied to the supply section to the exposure section, and the photosensitive material t.
- In an exposure apparatus having a second transport means for also transporting the light cutting tip part to the next process, the supply part and the exposure part are located on the front side of the exposure apparatus, and the supply part is located below the exposure part. In the process of transferring the photosensitive material from the exposure section to the next process, the second transfer means moves the transfer path within a substantially horizontal plane above a substantially horizontal plane containing the transfer path by the first transfer means. An exposure device characterized by having a mechanism for guiding and moving the device.