JPH03621B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION In recent years, technological reforms have been active to automate various mechanical devices and save labor, and various attempts have been made to achieve this goal, with the plate making industry being no exception.

However, these efforts are now bearing fruit, albeit gradually.

In accordance with the same purpose, the present applicant has acquired a single machine that performs the following three operations: scribing register marks on the plate surface, pasting film manuscripts, and printing film manuscript images. Developed an automated device that made it possible to implement the
No., Jitsugan No. 58-125216).

Although this device can perform three operations as described above, the present invention is capable of performing three operations as described below.
This is related to the proposal of a plate supply/discharge device that is extremely effective when this device is used for scribing work for register marks. Add an explanation assuming that the person will turn around.

According to this device (hereinafter, this device will be referred to as a "plate material processing device" to distinguish it from the device of the present invention); The operator simply inputs position and other data (hereinafter referred to as "processing data") into the operation command unit, then leans the plate against the plate support table whose tilt angle can be set freely, and the rest is done automatically. (a) Positioning of plate material.

(b) Punching pin holes into the plate material using a punch mechanism.

(c) Forcibly removing the punch block that covers the edge of the plate surface to the outside of the plate surface (or forcibly moving the plate material out of the area occupied by the punch block).

(d) Locking and fixing the plate material to the plate material support surface.

(e) Register mark marking work.

(F) Releasing the fixation of the plate from the plate support.

Therefore, the operator only has to remove the processed plate material from the plate support stand, which significantly reduces the workload on the operator.

Therefore, in the present invention, by further proposing an automated device for supplying and discharging plates to and from the plate processing device, the human work involved in scribing register marks on the plate surface can be reduced. This will reduce the burden to the utmost. That is, before operating the plate material processing device and the device of the present invention which is an attached device thereto, that is, the automatic plate supply/discharge device, the operator places the plate material supply stand related to the device of the present invention in accordance with the processing order. , if the plates are stacked, the processing data for each plate is input to the operation command section, and the operation is started there, then (a) the plates are fed from the plate feeding table to the plate processing device;

(b) Performing the intended work (writing register marks on the plate surface) in the plate processing device.

(c) Discharging the plate from the plate processing device to the plate discharge table.

is repeatedly and automatically performed, that is, the plates to be processed are stacked in advance on the plate feeding stand according to the processing order, and the processing data of each of these plates is input to the operation command unit according to the processing order. Once the system is set up, continuous and repeated operations can be performed without requiring any human intervention, making it possible to realize a so-called unmanned device.

The basic motive for proposing the present invention is to propose an automatic plate feeding and discharging device related to the previous plate material processing device proposed by the present applicant, thereby significantly increasing the effectiveness of the use of the plate material processing device (unmanned). However, in the present invention, we have investigated in detail the problems that are likely to occur in this type of device, and as a result, we have developed a method for coating the surface of the plate material, which is a particularly important problem. This product was constructed after thorough consideration of measures to minimize the photosensitizing effect of the photosensitive agent and direct adverse effects on product quality, such as the adhesion of dust to the surface of the photosensitive agent, to an almost negligible level. The summary of the present invention is as follows.

That is, the present invention includes: a plate feeding table configured to allow plate materials to be placed one on top of the other, and a plate feeding table configured to allow the plate materials placed on the plate feeding table to be tilted forward and held by suction, and to be able to return to standing up again. A holding frame, a plate discharging table on which a plate material can be propped up, and a plate discharging table that can be placed facing any of the developing holding frame, the plate discharging table, and the plate processing device, so that the position can be moved. It is attached to the conveyance mechanism, receives the plate by suction from the unfolding holding frame that holds the plate by suction, moves to the front of the plate support of the plate processing device, and releases the suction to the plate. By doing so, the plate material is delivered to the support table, and as soon as this handing operation is completed, it is evacuated to the front of the plate discharging table and waits until the work on the plate material by the plate material processing device is completed. A moving holding device that moves to receive the processed plate material by adsorption, moves to the front of the plate removal table again, releases the adsorption to the plate material there, and delivers the plate material to the plate removal table. This invention relates to a proposal for an automatic plate feeding and discharging device for plate materials, which consists of a frame, and .

DESCRIPTION OF THE PREFERRED EMBODIMENTS The specific structure of the present invention will be described below with reference to the accompanying drawings showing one embodiment.

FIG. 1 shows an overall view of a plate material processing device equipped with an automatic plate feeding/discharging device according to the present invention. Plate materials 2 are stacked on a table 1 with their surfaces (photosensitive agent coated surfaces) facing down.

A developing and holding frame 4 is attached to the plate feeding table 1 via a rotating shaft 3, and the developing and holding frame 4 is connected to a piston rod of an air cylinder 5 installed inside the plate feeding table 1. An operating arm 6 rotatably connected to the tip of the piston rod 50 is fixed to the rotating shaft 3, and by operating the air cylinder 5 to extend and contract the piston rod 50, a required angle can be achieved. We are beginning to see more developments.

That is, when the piston rod 50 is retracted, the deployable holding frame 4 rises and maintains the required posture as shown in the figure, and conversely, when the piston rod 50 is extended, the deployable holding frame 4 rises as shown in the figure. The user falls down onto the plate material 2 loaded on the plate feeding table 1 and obtains a posture in which the plate material 2 can be sucked.

Four air cylinders 7 are installed through the developing and holding frame 4 in the direction of one surface of the plate feeding table, and a piston rod 70 of the air cylinder 7 has a vacuum cylinder at the tip. - Suction cup bodies 71 communicating with the pump are each fixed. That is, this structure will be explained in more detail with reference to FIG. 2. The figure shows a vertical cross-sectional view of the mounting part of the air cylinder 7, and the piston rod 70 is connected to the air supply and exhaust hole 72. It is the structure of a normal air cylinder mechanism that expands and contracts due to air supply and exhaust, but in the present invention,
By using a hollow piston rod 70, an air intake passage 7 is created which communicates a suction cup 71 attached to the tip of the piston rod with a vacuum pump (not shown).
It is designed to function as 3.

Therefore, when the topmost sheet of the plate material 2 loaded on the plate feeding table 1 is to be adsorbed, the piston rod 50 is extended by operating the air cylinder 5 as explained above. to lower the unfolding holding frame 4 onto the plate material 2, and then
By simultaneously operating the cylinders 7, extending each piston rod 70 and firmly pressing the suction cup 71 against the two surfaces of the printing plate, and then activating the vacuum pump, the suction cup 71 can be The plate material 2 can be adsorbed.

After adsorbing the plate material in this way, the air
Retract the piston rod 70 of cylinder 7,
Further, by contracting the piston rod 50 of the air cylinder 5, the deployable holding frame 4 is raised, and the deployable holding frame 4 obtained by this operation is
The inclination angle is the plate holding joint 80 of the plate processing device 8.
The stroke of the air cylinder 5 is set in advance so that it is at the same angle as .

9 is a movable holding frame, and a running body 12 is fixed to an endless running network 11 driven by a motor 10.
It is installed in a way that allows minute vertical movement.

That is, an air cylinder 13 is fixed to the traveling body 12, and a movable holding frame 9 is fixed 90 to the tip of a piston rod 130 of the air cylinder 13, and the traveling body 12 has the following: Four elongated holes 120 are drilled, and the engaging claws 91 of the movable holding frame 9 are engaged with the elongated holes 120, so that the piston rod 130 can be extended by operating the air cylinder 13. Ba,
The movable holding frame 9 is pushed down by the stroke, and conversely, when the piston rod 130 is retracted, the movable holding frame 9 is returned to its original position.

The movable holding frame 9 also includes four air cylinders having the same configuration as the air cylinders 7 of the deployable holding frame 4.
The cylinder 14 is oriented in the opposite direction to the air cylinder 7 and is attached to the movable holding frame 9 as a light shield.
It is installed through a tension plate 92 that extends over the entire surface.

However, the plate material 2 is held by suction and the developing holding frame 4
When the movable holding frame 9 is placed in the desired position, the motor 10 is driven by the required amount to move the movable holding frame 9 facing the plate ejection table 15 to the surface of the developing holding frame 4 and placing it facing the developing holding frame 4. If so, the air cylinder 14 mounted on the movable holding frame 9 faces the unfolding holding frame 4.

Therefore, by extending the piston rod 140 of each air cylinder 14, the two sides of the printing plate suctioned and held by the unfolding holding frame 4 can be moved to the suction cup 141.
Then, by activating the vacuum pump on the movable holding frame 9 side and stopping the operation of the vacuum pump on the unfolding holding frame 4 side, the plate material 2 will be released from the unfolding holding frame 4. It will be delivered to the movable holding frame 9.

As described above, for the movable holding frame 9 that has received the plate material from the unfolding holding frame 4, the piston rod 130 of the air cylinder 13 fixed to the traveling body 12 is contracted. Pull it up by the stroke of .

In this way, the reason why the movable holding frame 9 is pulled up before delivering the plate material to the plate processing device 8 is to prevent the lower end of the plate material held by the movable holding frame 9 and the plate material processing device 8 from being pulled up. If the plate material retaining portions 81 in the plate material processing device 8 are on the same plane, accidents such as damage to the lower part of the plate material may occur when the plate material is transferred to the plate material processing device 8. When the operation of the vacuum pump on the movable holding frame 9 side is stopped in order to deliver the plate material to the device 8 (the movable holding frame, which has been pulled up, is lowered by operating the air cylinder 13 in reverse) They are designed in such a way that the lower end of the printing plate touches or does not touch the printing plate retaining portion 81 for the first time.

After moving the movable holding frame 9 to the surface of the plate support 80 and disposing the movable holding frame 9 facing the plate support 80, the air cylinder 14 is activated to extend the piston rod 140. Place the plate material on the plate support stand 80 (the plate material is placed on the plate support stand 80).
Furthermore, by operating the air cylinder 13 and pulling down the movable holding frame 9, the lower end of the plate can be brought into contact with the plate retaining portion 81. Position the plate material so that it touches or does not touch (as above),
Therefore, if the operation of the vacuum pump on the movable holding frame 9 side is stopped, the plate material is transferred to the plate material support table 80.
Can be propped up against a surface. That is, the plate material is transferred from the movable holding frame 9 to the plate processing device 8 .

The movable holding frame 9 that has completed the delivery of the plate material is moved back to the plate discharge table 15 by the required amount of rotation of the motor 10, and is placed facing the plate discharge table 15.

Simultaneously with the withdrawal of the movable holding frame 9 from the surface of the plate support table 80, the plate processing device 8 is activated, and the operations A, B, C, D, E, and F described above are performed successively to complete the desired work. At the same time as the processing is completed, the movable holding frame 9 is again moved to the surface of the plate support 80 by the rotation of the motor 10, and is placed facing the plate support 80, so that By activating the air cylinder 14 to press the suction cup 141 onto the plate material that has been marked, and by activating the vacuum pump on the movable holding frame 9 side, the plate material will be suctioned and held by the movable holding frame 9. Ru. That is, the movable holding frame 9 receives the processed plate material from the plate material processing device 8 .

Then, by driving the motor 10 by the required amount again, the movable holding frame 9 is moved to the surface of the plate discharge table 15 and is placed facing the plate discharge table 15, so that the vacuum pump on the side of the movable frame 9 is activated. When the plate material is stopped, the plate material is placed against the plate discharge table 15. In other words, the plate material is transferred from the movable holding frame 9 to the plate discharge table 1.
5 will be handed over.

With the above operations, the processing for one plate material is completed. At this time, the unfolding and holding frame 4 adsorbs the next plate material and maintains the required posture, while the processing to the plate discharge table 15 is completed. The movable holding frame 9, which has finished delivering the completed plate material, is driven by the required amount of the motor 10 to move again to the 4th surface of the developing holding frame 4, and is placed facing the developing holding frame 4. Hereafter, the same operation as described above is performed. is repeated.

It goes without saying that the operations described above are performed automatically and continuously by just giving the first operation start signal. Although not shown, it goes without saying that this can be easily accomplished by providing a limit switch at the required location and a conventional electric circuit.

As explained above, in the present invention, if the plates are stacked face down on the plate feeding table 1, they are automatically delivered one by one to the plate material processing device 8, so that the plates are placed on standby. It is possible to prevent the photosensitizing agent of the plate material inside from causing photosensitization and to prevent foreign matter such as dust from adhering to the surface coated with the photosensitizing agent, and since the tension plate 92 of the movable holding frame 9 is used as a light shielding body, When holding and moving the plate material, the surface of the plate material is shielded from light by the movable holding frame 9, so that the photosensitive effect of the photosensitive agent on the surface of the plate material is avoided, and the movable holding frame 9 is Since it is arranged facing the plate discharge table 15, even if the processed plate material is not immediately transferred to the next printing process and is left on the plate discharge table 15 for a considerable period of time, The photosensitive effect is suppressed to a minimum, and furthermore, the expansion holding frame 4, the movable holding frame 9 and the plate discharging table 1
5 is the same angle as the inclination angle of the plate support 80,
In addition, since it is arranged on an extended surface of the plate material support table 80 or on a plane parallel to the same surface that is set back a minute distance, there is no waste in the operation of the unfolding holding frame 9, and therefore, the operation can be speeded up. All processing and temporary storage on the plate discharge table 15 are performed while the plate material is held facing downward or diagonally (preferably a tilt angle of about 20 degrees) (i.e., the plate material is held facing upward. There is almost no risk of dust etc. adhering to the surface coated with the photosensitive agent, which greatly contributes to product quality. This means that continuous unmanned processing is possible, and it also makes a significant contribution to work rationalization.

In addition, for the next printing process, in cases where multiple operators are involved, select one of the plates carried from the plate processing device 8 and placed one after another on the plate discharge table 15.
Each operator pulls out the plate material at any time based on the number assigned to the plate material in advance. However, in the present invention, the plate discharging table 15 is designed to hold the plate material against it, so the same number can be removed. It is very easy to work with and also has the advantage of not damaging the surface of the plate material.

In addition, in the embodiment, the plate feeding table 1 was made flat, but
Depending on the work space, etc., the unfolding holding frame 4 may be tilted arbitrarily in the rising direction. In this case, the stroke of the air cylinder 15 is shortened in accordance with the inclination angle, and the unfolding angle of the unfolding holding frame 4 is narrowed. .

In this embodiment, the plate processing device 8, the unfolding holding frame 4, the movable holding frame 9, and the plate discharging table 15 are installed facing the same direction. Only the holding frame 4 is installed facing the same direction as the plate material processing device 8, while the plate discharging table 15 is installed at a 90 degree angle from these. frame 16
It can also be easily implemented by bending at right angles so that the traveling direction of the endless traveling net 11 and traveling body 12 can be changed by 90 degrees at the relevant position, and the movable holding frame 9 can also be made to travel following this. It is possible.

Furthermore, in this embodiment, since the plate processing device 8 is equipped with a plate positioning mechanism, it is necessary to precisely place the movable holding frame 9 facing the plate support 80 of the plate processing device 8. However, if the plate processing equipment is not equipped with a plate positioning mechanism, the servo or
A drive or the like may be installed to accurately place the movable holding frame 9 and the plate material at a desired position on the surface of the plate material support table 80.

[Brief explanation of the drawing]

FIG. 1 is an overall perspective view, partially cut away, of a plate material processing device equipped with the device of the present invention;
FIG. 2 is a longitudinal cross-sectional view of the attachment portion of the air cylinder 7 to the expansion holding frame 4. The symbols are; 1... plate feeding table, 2... plate material, 4... developing holding frame, 8... plate material processing device, 9... moving holding frame, 12... traveling body, 15... plate discharging table, 40...
It is a seat board.

Claims (1)

[Scope of Claims] 1. A plate feeding table configured to allow plate materials to be placed one on top of the other; and a plate feeding table configured to be able to tilt the plate material placed on the plate feeding table forward and hold it by suction, and then return to standing again. A developing holding frame, a plate discharging table on which a plate material can be propped up against, and a position movement is achieved by being arranged so as to face any of the developing holding frame, the plate discharging table, and the plate processing device. It is attached to the transport mechanism in this way, receives the plate by suction from the unfolding holding frame that holds the plate by suction, moves to the front of the plate support of the plate processing device, and there it sucks the plate. By releasing the plate material, the plate material is delivered to the supporting table, and upon completion of this handing operation, the plate material is evacuated to the front of the plate discharging table, and waits until the work on the plate material is completed by the plate material processing device. The machine moves to the front of the plate discharge table, picks up the processed plate material, receives it, moves to the front of the plate discharge table again, releases the adsorption to the plate material there, and delivers the plate material to the plate discharge table. An automatic plate feeding and discharging device for plate materials consisting of a holding frame and. 2. The automatic machine according to item 1 above, wherein the inclination angle of the unfolding holding frame, the movable holding frame, and the plate discharging table when erected is set to the same angle as the inclination angle of the plate material support stand of the plate processing device. Plate supply/discharge device. 3. The automatic plate feeding/discharging device according to item 1 above, wherein the movable holding frame is provided with a light shielding means.