JPH09156079A - Outer setup system of printing press - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outer setup system capable of executing the replacement of a plate cylinder or ink accompanied by the replacement of the items of a printing press in such a state that the stop time of the printing press is shortened and enabling the labor-saving of the preparation work thereof. SOLUTION: A plate cylinder, an ink pan, an ink tank, an ink pump or the like are mounted on the unit lower truck 21 accessible to a printing unit 1B and this unit lower truck 21 is replaced to replace items. Further, the taken- out unit lower truck 21 is sent to a plate cylinder replacing station 82, an ink replacing station 92 and an ink pump replacing station 102 by a truck circulating conveyor 62 to perform the taking-out of the plate cylinder and the ink tank and the replacement of the ink pump to keep the plate cylinder, the ink tank and the ink pump in a buffer area 80. At a time of use, the unit lower truck is sent to the ink replacing station 92 and the plate cylinder replacing station 82 from the buffer area 80 to mount a new ink tank and a new plate cylinder to be sent to the printing press.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for promptly performing plate cylinder replacement, ink replacement, ink pan or ink pump cleaning, doctor cleaning, and the like when switching printing items in a gravure rotary printing press. The present invention relates to an external setup system for a printing machine.

[0002]

2. Description of the Related Art Conventionally, when switching items in a gravure rotary printing machine (hereinafter simply referred to as a printing machine), an operator cleans a plate cylinder that has been contaminated with ink in a printing unit, and a plate cylinder, a doctor, an ink pan, an ink tank, The work involves removing parts such as the ink pump and installing new plate cylinders, doctors, ink pans, ink tanks, ink pumps, etc. In addition, each removed part is placed on a trolley, and the trolley is manually moved to be transported to each storage location or cleaning location, where the cleaning location is manually washed.

[0003]

However, since such work involves a lot of manual work, it not only imposes an excessive work load on the operator, but also takes a long time and requires a long time for stopping the printing press. there were. Further, there is a problem that it is a heavy work because it handles heavy parts and it is a dirty work in a bad working environment using a solvent or the like. As a means to solve these problems, the plate cylinder and
A state in which an ink pan, an ink tank, and an ink pump are mounted, a unit lower carriage that can be inserted into and discharged from the lower area of the printing unit is used, and the unit lower carriage is inserted into the lower area of the printing unit during printing. Therefore, when exchanging items, the unit lower dolly is taken out of the printing unit, and a separately prepared unit lower dolly is inserted into the lower area of the printing unit to reduce the downtime of the printing machine and remove the unit lower part. An external setup method is known in which the parts mounted on the dolly are exchanged, washed, and the like at a suitable place outside the printing machine during the printing operation.

However, even in the external setup method using such a unit lower dolly, conventionally, a large weight unit lower dolly is manually run, which is extremely heavy work, and is mounted on the unit lower dolly. Since the parts that are attached are also attached, removed, and washed manually, there is a problem that it is a heavy labor to handle the heavy parts and it is a dirty work.

The present invention has been made in view of the above-mentioned problems, and it is possible to shorten the down time of the printing machine by adopting the external setup method for the work for changing the item in the gravure printing machine. Another object of the present invention is to provide an external setup system for a printing press, which can significantly reduce the work load on the operator by mechanizing the transportation of the lower unit carriage, the replacement of parts, and the cleaning.

[0006]

SUMMARY OF THE INVENTION The present invention, which has been made to achieve the above object, is equipped with a plate cylinder, an ink pan, an ink tank, and an ink pump, and is inserted into and discharged from a lower region of a printing unit. Possible unit lower carriage, a plate cylinder exchange station provided at a position distant from the printing machine and provided with a plate cylinder changing robot for supplying and removing a plate cylinder to and from the printing machine, and to the unit lower carriage. An ink exchange station equipped with an ink exchange robot that supplies and removes an ink tank, an ink pump exchange station equipped with an ink pump exchange robot that exchanges an ink pump with respect to the unit lower carriage, and the unit lower part Ink exchange between the buffer area for storing the truck and the lower truck of the unit from the buffer area The lower carriage of the unit so that it is fed into the printing unit of the printing press through the station and the plate cylinder exchange station, and returned from the printing unit to the buffer area through the plate cylinder exchange station, the ink exchange station, and the ink pump exchange station. The gist is an external setup system for a printing press, which has a means for causing the print head to travel along a predetermined travel path.

Here, the ink pan is provided with a detachable cover on its inner surface, and a cover attaching / detaching station for attaching / detaching the cover is provided on a traveling route from the printing machine of the unit lower carriage to the buffer area. It is preferable to set.

Further, the unit lower carriage is provided with a doctor storage for mounting a doctor provided in the printing unit, and the unit lower carriage is provided on a traveling route from the printing machine of the lower unit carriage to the buffer area. It is preferable to provide a doctor exchange station for exchanging the doctor. In that case, it is preferable to provide a doctor cleaning device in the doctor exchange station.

Further, it is preferable that an ink pump cleaning device is also provided at the ink pump exchange station.

Further, the unit lower carriage is allowed to pass through the printing unit, and the unit lower carriage located in the printing unit is discharged from the printing unit, and at the same time, a new unit lower carriage is installed. It is preferable that the printing unit is inserted from the opposite side.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic plan view showing an entire external setup system of a printing machine according to an embodiment of the present invention, and 1 is a plurality of printing machines arranged in parallel. Each printing press 1 includes a paper feed unit 1A and a plurality of printing units 1B.
And a paper discharge section 1C.

FIG. 2 is a vertical sectional view schematically showing the plurality of printing units 1B provided in the printing machine 1, and FIG. 3 is a horizontal sectional view schematically showing the plurality of printing units 1B.
4 is a schematic cross-sectional view showing a lower region of one printing unit 1B, FIG. 5 is a schematic rear view of the portion shown in FIG. 4 as seen from the rear side of the printing unit, and FIG. 6 is a region showing the region shown in FIG. FIG. 4 is a schematic cross-sectional view showing a state before inserting the unit, and only a unit lower carriage is shown on a side surface. 2 to 6, 2 is a pair of side frames disposed on the left and right of each printing unit 1B, 3 is a web to be printed, 4, 5
Is a guide roller attached to the pair of side frames 2 so as to guide the web 3, 6 is a plate cylinder, 7 is an impression cylinder, and 8
Is an impression cylinder holding member that holds the impression cylinder 7, and moves the impression cylinder 7 between a position where it is pressed against the plate cylinder 6 (position shown in FIG. 4) and a position where it is retracted upward (position shown in FIG. 6). It is configured to be able to. 9 is a furnisher roller, 1
Reference numeral 0 is an arm that swings to press the finisher roller 9 against the plate cylinder 6, 11 is an applicator, and 12 is a doctor. The doctor 12 is held by a doctor holding mechanism (not shown) provided on the side frame 2.

A plate cylinder bearing 13 rotatably supports the lower surfaces of the plate cylinder shafts 6a at both ends of the plate cylinder 6. This plate cylinder bearing 1
3 includes a bearing support 15 attached to the side frame 2 and held by a support 14 and a pair of bearings 16 rotatably held in the bearing support 15 with a space therebetween. As shown, by placing the plate cylinder shaft 6a in the recess formed by the pair of bearings 16, the plate cylinder shaft 6a can be rotatably supported. In FIG. 5, 18 is a drive shaft for rotationally driving the plate cylinder 6, and 19 is a coupling provided at the tip of the drive shaft 18, which is connected to one end of the plate cylinder shaft 6a as shown in the drawing. It is movable to a position and a retracted position away from the plate cylinder shaft 6a.

In FIGS. 2 to 6, reference numeral 21 denotes a unit lower carriage. The unit lower dolly 21 has a dolly 24 provided with casters 23, and the dolly 24 has:
Ink pan 26, ink tank 27, ink pump 28
And so on. Further, the carriage 24 has a plate cylinder support member 30 arranged so as to be positioned outside both ends of the ink pan 26, and a support cylinder 31 for holding the plate cylinder support member 30 so that the plate cylinder support member 30 can be raised and lowered. The body support member 30 is normally held at a position where it abuts the bottom surface of the support cylinder 31. An arcuate or V-shaped recess 30a is formed at the upper end of the plate cylinder support member 30. By placing the plate cylinder shaft 6a of the plate cylinder 6 in the recess 30a, the plate cylinder 6 is placed in a fixed position. It can be held.

The unit lower carriage 21 can be put in and taken out between the adjacent printing units 1B, 1B from the side of the printing machine, and can be placed in the printing unit 1B from the front or the back of each printing unit 1B. It is configured so that it can enter in a direction perpendicular to the axis of the plate cylinder 6 and pass through on the opposite side. Therefore, for example, in the case of the printing unit 1B shown in the center of FIG. 3, the lower unit carriage 21 is moved in the direction of arrow A from the position indicated by the chain double-dashed line 21a on the side of the printing machine to perform adjacent printing The position is set to a position indicated by a chain double-dashed line 21b between the units 1B and 1B, and then moved from that position in the direction of arrow B (hence, at a right angle to the axis of the plate cylinder 6) to a predetermined position (solid line 21 Position) and used for printing at that position. After use, as shown by arrow C, printing unit 1
It is moved in a direction passing through B and discharged to a position indicated by a chain double-dashed line 21c between the adjacent printing units 1B and 1B, and then moved in the direction of arrow D and shown by a double-dashed chain line 21d on a side of the printing press 1. It is possible to perform the operation of moving to the position. The position when the lower unit carriage 21 is ejected from the central printing unit 1B (the position indicated by the chain double-dashed line 21c) is the position for waiting a new lower unit carriage for the printing unit 1B on the left side. It is the same.

The printing unit 1B has a chain double-dashed line 2 in FIG.
A drive mechanism (not shown) for moving the lower unit carriage 21 standing by at the position indicated by 1b in the direction of the arrow B to draw it in a predetermined position in the printing unit 1B and discharging it from that position in the direction of the arrow C. Is provided. An example of this drive mechanism is an endless drive chain arranged so that the unit lower carriage 21 travels along a movement path passing through the printing unit 1B, and the unit lower carriage 21 held by the drive chain. The thing with the hook for hooking etc. can be mentioned.

As shown in FIGS. 5 and 6, a cam follower 33, which is a rotatable roller, is rotatably attached to the side surface of the plate cylinder support member 30 provided on the unit lower carriage 21, while a printing unit is provided. A cam 35 that can be engaged with the cam follower 33 is provided along the movement path of the unit lower carriage 21. The shape of the cam 35 is such that when the lower unit carriage 21 is moved from the outside of the printing unit 1B to a predetermined position in the printing unit 1B in the direction indicated by the arrow B, the plate cylinder support member 30 and the upper portion thereof are moved through the cam follower 33. The plate cylinder shaft 6a can be raised, passed over one of the bearings 16 of the plate cylinder bearing 13 and transferred onto the pair of bearings 16. Further, the unit lower carriage 21 of the plate cylinder shaft 13a in the printing unit 1B can be mounted. Even when it is moved from the predetermined position to the front of the printing unit 1B as shown by the arrow C, the plate cylinder support member 3 is moved through the cam follower 33.
0 to lift the plate cylinder shaft 6a on the pair of bearings 16.
And carry it out of one bearing 16,
After that, it is set so that the plate cylinder support member 30 can be gradually lowered. Thus, simply letting the lower unit carriage 21 enter the printing unit 1B,
The plate cylinder shaft 6a of the plate cylinder 6 held by the lower unit carriage 21 was held by the plate cylinder bearing 13 of the printing unit 1B, and conversely by the plate cylinder bearing 13 only by ejecting to the outside. The plate cylinder shaft 6a of the plate cylinder 6 can be held by the lower unit carriage 21.

A cover (not shown) such as a resin film is detachably provided on the ink pan 26 mounted on the lower unit carriage 21 so as to cover the entire inner surface thereof. Therefore, when it is necessary to clean the ink pan 26 for changing colors, the cover of the used ink pan 26 can be simply removed and a new cover can be attached to easily clean the ink pan 26.

As shown in FIG. 7, the ink tank 27 and the ink pump 28 mounted on the lower unit carriage 21 are simply placed on the horizontal holding surface of the lower unit carriage 21. The side surface of the lower carriage 21 is wide open. Therefore, the ink tank 27 and the ink pump 28 can be easily taken in and out from the side surface of the unit lower carriage 21.

4 to 6, the lower unit carriage 2 is shown.
1 further includes an applicator 11 and a furnisher roller 9
Inking applicator storage area 4 for carrying and carrying
0, a doctor yard 42 for carrying the doctor 12, and a loading pin for engaging a drive mechanism (not shown) on the printing unit 1 side when moving the lower unit carriage 21 into and out of the printing unit 1. 44, transport pins 46 and 67 for hooking the unit lower carriage 21 on a pulling mechanism (described later) provided on the floor outside the printing machine to drive the unit lower carriage 21.

As described above, the lower unit carriage 21 can be put in and taken out between the adjoining printing units 1B, 1B from the side of the printing machine, and the movement is performed automatically. 7, the printing unit 1
A carriage moving device 50 is provided between B and 1B.
The carriage moving device 50 includes a guide rail 51 and a child carriage 52 that travels on the guide rail 51.
The child cart 52 includes a lifting table 53. Thus, when the lower unit carriage 21 is stopped outside the printing machine, the child carriage 52 lowers the elevating table 53 and slips under the lower unit carriage 21.
At that position, the lifting table 53 rises to lift the unit lower carriage 21, and in this state the child carriage 52 moves between the printing units 1B and 1B, and at that position, the lifting table 5
3 lowers the lower unit truck 21 to lower the lower unit truck 21 to a predetermined position between the printing units 1B and 1B (for example, the position shown in FIG. 3). 21a) to position 21b) and vice versa.
The lower unit truck 21 between B and 1B can be moved to the outside of the printing machine (for example, from position 21c to position 21d in FIG. 3).

In FIG. 1, reference numeral 60 denotes a carriage reciprocating conveyor which is arranged on the side of each printing machine 1 in parallel with the printing machine 1, and 62 is arranged so as to pass an end of each carriage reciprocating conveyor 60. The carriage circulating conveyor 64 is a carriage transferring device for transferring the unit lower carriage 21 from the carriage reciprocating conveyor 60 to the carriage circulating conveyor 62 or vice versa.

The carriage reciprocating conveyor 60 and the carriage circulating conveyor 62 may have any configurations as long as they can cause the lower unit carriage 21 to travel along a predetermined route. In the present embodiment, the predetermined route is used. The one using a traction mechanism arranged to run is used. That is, as shown in FIG. 8, the carriage reciprocating conveyor 60 has a drive chain 66 arranged so as to travel along the floor surface, and the drive chain 66 has an appropriate interval.
An engagement tool 67 that engages with the transport pin 47 of the unit lower carriage 21 is provided. In this way, by driving the drive chain 66 with the engaging pin 67 engaged with the transport pin 47, the lower unit truck 21 can be moved along the drive chain 66. Here, the engagement tool 67 may be an open / close type that grips or releases the transport pin 47, or may simply have a groove or hole into which the transport pin 47 is inserted from above.
In this example, the latter is used to simplify the structure. In order to engage and disengage the engaging tool 67 and the transport pin 47, the unit lower carriage 21 may be moved up and down.
As shown in FIG. 5, the unit lower carriage 21 sent by the drive chain 66 on the side of each printing unit 1B is lifted by the elevating table 53 of the child carriage 52 to pull out the transport pin 47 from the engagement tool 67. On the contrary, by lowering the unit lower carriage 21 carried by the child carriage 52 and lowering it to the floor surface by the lifting table 53, the transport pin 47 can be inserted into the engagement tool 67.

In FIG. 8, the carriage circulating conveyor 62 is also
A drive chain 72 arranged to run along the floor (preferably below the floor);
The drive chain 72 is provided with engaging tools 73 that engage with the transport pins 46 of the lower unit truck 21 at appropriate intervals. Thus, by causing the drive chain 72 to travel with the transporting pin 46 engaged with the engagement tool 73, the unit lower carriage 21 can be caused to travel along a predetermined travel path along the drive chain 72. here,
The engagement tool 73 may be an open / close type that grips or releases the transport pin 46, or simply the transport pin 46.
May be provided with a groove or a hole for inserting from above. In the present embodiment, the latter is used to simplify the structure. On the other hand, the unit lower carriage 21 is provided with a spring-type drive mechanism 75 for raising and lowering the transport pin 46, and by operating the drive mechanism 75, the transport pin 46 is brought to a lowered position or raised. It is possible to set the position. Further, a pin provided with an operation arm 76 for operating the drive mechanism 75 at a position along the carriage circulating conveyor 62 and at a position where the lower unit carriage 21 should be engaged with and disengaged from the drive chain 72. A control device 77 is provided, and the drive mechanism 75 can be operated to insert or remove the transport pin 48 into or from the engagement tool 73. Needless to say, the operation arm 76 is controlled so as to retract to a position that does not hinder the traveling of the lower unit truck 21 when the lower unit truck 21 is moved by the drive chain 72.

A trolley transfer device 64 for transferring the lower unit trolley 21 from the trolley reciprocating conveyor 60 to the trolley circulation conveyor 62 or vice versa has the same structure as the trolley transfer device 50 shown in FIG. Yes, it is equipped with a child carriage 70 equipped with a lifting table. Thus, when the unit lower carriage 21 is sent by the drive chain 66 of the carriage reciprocating conveyor 60 onto the child carriage 70 waiting at a predetermined position,
The child carriage 70 raises the lifting table to lift the unit lower carriage 21, pulls out the transport pin 47 from the engagement tool 67, and then horizontally holds the lower unit carriage 21 and horizontally drives the carriage circulating conveyor 62. The lower unit carriage 21 can be transferred to the carriage circulating conveyor 62 by moving it onto the carriage 72 and then lowering the lifting table, and vice versa. Bogie reciprocating conveyor 60
Can be transferred to. The carriage transfer device 64 is not limited to the one using the child carriage 70, and may be a crane that lifts and moves the lower unit carriage 21.

In FIG. 1, reference numeral 80 is a buffer area for storing a plurality of unit lower carts 21. The trolley conveyor 62 is the buffer area 80.
Of the unit lower carriage 21 from the carriage transfer apparatus 64, and the forward path 62a for sending the unit lower carriage 21 of No. 2 to the carriage transfer apparatus 64 located at the end of the carriage reciprocating conveyor 60 beside each printing machine 1. The return path 62b for returning to the buffer area 80 is provided.

Reference numeral 82 denotes a plate cylinder exchange station, which is sent from the forward path 62a of the carriage circulating conveyor 62 to a position P.
The plate cylinder exchange robot 83 that supplies the plate cylinder to the unit lower carriage 21 stopped at 1 and the plate cylinder exchange that takes out the plate cylinder from the unit lower carriage 21 that is sent at the return path 62b and stopped at the position P2. It has a robot 84.
FIG. 9 shows an example of the plate cylinder changing robot 83 used here, and an automatic crane 87 is provided for lifting the plate cylinder 6 placed on the pallet 86 and transferring it to the unit lower carriage 21. ing. The new plate cylinder 6 is supplied to the pallet 86 by the plate cylinder carrier 88. The automatic crane 87 is also used for transferring the plate cylinder from the plate cylinder carrier 88 to the pallet 86. The plate cylinder replacing robot 84 for taking out the plate cylinder shown in FIG. 1 has the same configuration,
Plate cylinder transfer is performed by an auto crane. In FIG. 1, a plate cylinder warehouse 90 is provided near the plate cylinder exchange station 82.
Is provided.

Reference numeral 92 is an ink exchange station,
An ink exchange robot 93 that supplies an ink tank 27 (see FIG. 7) containing ink to the unit lower carriage 21 that has been sent on the forward path 62a of the carriage circulating conveyor 62 and stopped at position P3, and is sent on the return path 62b. Come to position P
The unit lower carriage 21 stopped at 4 has an ink exchange robot 94 for taking out an ink tank. FIG. 10 shows an ink exchange robot 93 used here.
In this example, the roller conveyor 96 arranged at the same level as the ink tank holding surface of the unit lower carriage 21 that stops at a predetermined position and the ink tank 27 on the roller conveyor 96 are pushed into the unit lower carriage 21. It is provided with a pushing claw (not shown) and the like, and after the unit lower carriage 21 is simply stopped at a position adjacent to the roller conveyor 96, the ink tank 2 on the roller conveyor 96 is stopped.
Ink tank 2 by pressing 7 with the claw
7 can be placed on the lower unit truck 21. In order to supply a new ink tank 27 to the roller conveyor 96, an ink tank carrier 98 that is held by a ceiling rail 97 and is movable and can be moved up and down, and the ink tank carrier 98 is adjacent to the roller conveyor 96. Further, a pusher (not shown) for pushing the ink tank 27 onto the roller conveyor 96 in the same level is provided. The ink exchanging robot 94 shown in FIG. 1 also has a structure similar to that of the ink exchanging robot 93, and has a configuration in which the ink tank on the lower unit carriage 21 can be pulled out onto the roller conveyor 96. In FIG. 1, an ink warehouse 100 is provided near the ink exchange station 92.

In FIG. 1, 102 is an ink pump exchange station. Into the ink pump exchange station 102, the dirty ink pump 28 (see FIG. 7) is taken out from the unit lower carriage 21 that has been sent through the return path 62b of the carriage circulation conveyor 62 and stopped at position P5, and has been cleaned. An ink pump exchange robot that supplies the ink pump is provided. This ink pump exchange robot takes out the conveyor 103 arranged at the same level as the ink pump holding surface of the lower unit carriage 21 and the ink pump on the lower unit carriage 21 onto the conveyor 103, and removes the ink pump on the conveyor 103. A pump transfer tool (not shown) to be pushed onto the unit lower carriage 21 is provided. Further, to the conveyor 103, ink pump washing machines 104A, 104B and 104C are connected, and an ink pump buffer 105 is also connected. Ink pump washer 104A, 104B, 104
C is used properly according to the ink used. For example,
It is for water, general and white. Each ink pump washing machine is provided with a solvent pipe and an air pipe, and the solvent pipe and the air pipe are connected to the ink pump, and the solvent is flowed into the pump for washing. The ink pump buffer 105 is for storing the cleaned ink pump.

This ink pump exchange station 102
The operation in is performed as follows. That is, when the unit lower carriage 21 is sent to the return path 62b of the carriage circulating conveyor 62 and stopped at the position P5, the ink pump exchange robot moves the dirty ink pump mounted on the unit lower carriage 21 onto the conveyor 103. Then, the conveyor 103 immediately sends out the ink pump to the downstream ink pump washing machine 104A, 104B or 104C. Then, the washed ink pump is sent out from the ink pump buffer 105 onto the conveyor 103, and then the ink pump exchange robot pushes the washed ink pump into the unit lower carriage 21. This allows
The ink pump is replaced with respect to the lower unit carriage 21. The ink pump sent to the ink pump washing machine 104A, 104B or 104C is washed there, and then supplied to the ink pump buffer 105 and stored.

In FIG. 1, reference numeral 110 is a unit lower carriage 2 sent to the return path 62b of the carriage circulating conveyor 62.
The cover attachment / detachment station removes the dirty cover from the first ink pan 6 and attaches a new cover. This cover attaching / detaching station 110 has a lower unit carriage 21.
Are provided at two positions P6 and P7 at which they stop. One position P6 is a position for removing the cover from the ink pan, and a trash box 111 for putting the removed cover therein is placed. Further, this position P6 is the lower unit carriage 2
It is also used to remove the applicator 11 (see FIG. 4) on the 1. The other position P7 is a position for attaching a cover to the ink pan, and includes a cover stock 113 for storing a new cover. Also,
This position P7 is also used for mounting a new applicator on the unit lower carriage 21, and an applicator washing machine 115 and an applicator stock 116 are arranged in the vicinity thereof.

Reference numeral 120 denotes the return path 6 of the carriage circulating conveyor 62.
This is a doctor exchange station for taking out a dirty doctor 12 (see FIG. 4) from the unit lower carriage 21 that has been sent 2b and stopped at the position P8, and mounting a new cleaned doctor on the unit lower carriage 21. The doctor exchange station 120 is provided with a doctor disassembling device 121, a doctor assembling device 122, a doctor stock 123, a doctor cleaning device 124, and the like.

Next, the operation of the outer setup system of the printing machine having the above configuration will be described. During a normal printing operation, the unit lower carriage 21 is stopped at a predetermined position in the printing unit 1 as shown in FIGS. 4 and 5, and the plate cylinder 6 has its plate cylinder shaft 6a paired with the plate cylinder bearing 13 as a pair. Bearing 16
It is in a state held in. At this time, the upper end of the plate cylinder support member 30 is slightly lower than the plate cylinder shaft 6a, and does not interfere with the rotation of the plate cylinder shaft 6a. In this state, the drive shaft 18 is connected to and driven by the plate cylinder shaft 6a, and the ink is supplied to the finisher roller 9 by the ink supply means including the ink tank 27, the ink pump 28, etc. mounted on the lower unit carriage 21. The supply is performed and the printing operation is performed. During this printing operation, another lower unit carriage 21 for use in the next printing is sent to the rear of each printing unit 1B (the position indicated by the chain double-dashed line 21b in FIGS. 2 and 3). This operation will be described later.

After printing, the coupling 1 of the drive shaft 18
9 is retracted and disengaged from the plate cylinder shaft 6a, and the impression cylinder 7 is retracted upward. After that, the worker manually removes the finisher roller 9 and the applicator 11 and places them on the inking applicator storage space 40 of the lower unit carriage 21, and also removes the doctor 12 and mounts them on the doctor storage space 42. Further, a part of the pipe is removed and placed on the unit lower carriage 21 so that the ink tank 27 and the ink pump 28 can be taken out.

When the replacement preparation operation of these unit lower carriages is completed, the carriage replacement is automatically performed. That is, the drive mechanism provided in the printing unit 1B moves the unit lower carriage 21 located in the printing unit 1B,
It is sent to the outside of the printing unit 1 in the direction of arrow C in FIG.
During the movement of the lower unit truck 21, the engagement between the cam 35 and the cam follower 33 causes the lower unit truck 21 to move.
The plate cylinder supporting member 30 provided on the plate cylinder lifts to lift the plate cylinder shaft 6a, remove it from the plate cylinder bearing 13, and then remove the plate cylinder shaft 6a.
Hold a and move. On the other hand, in parallel with this operation, the drive mechanism pulls the new lower unit carriage 21 that is on standby behind the printing unit 1B to a predetermined position in the printing unit 1. At that time, the engagement between the cam 35 and the cam follower 33 lifts the plate cylinder shaft 6a supported by the plate cylinder support member 30, and when the unit lower carriage 21 is stopped at a predetermined position, the plate cylinder bearing 13 is placed on the plate cylinder bearing 13. Reprinted. In this way, the carriages are replaced in a very short time, and a new plate cylinder 6 is set on the plate cylinder bearing 13.
After that, the doctor 12, the finisher roller 9, the applicator 11 and the like mounted on the lower unit carriage 21 are manually attached to predetermined positions of the printing unit 1 to prepare for printing, and then the printing operation is started. . It should be noted that the replacement of the lower unit carriage 21 explained above is 1
This is performed simultaneously in a plurality of printing units 1B provided in the printing machine 1 of the table, and therefore, the replacement time of the unit lower carriage 21 in the entire printing machine 1 is extremely shortened.

The lower unit carriage 21 is used for each printing unit 1.
After being discharged to the outside (front) of B, the unit lower carriage 21 is automatically conveyed. That is, when the lower unit carriage 21 is sent out, the elevating table 53 of the child carriage 52 (see FIG. 7) standing by at that position is lifted to lift the lower unit carriage 21, and the child carriage 52 is kept in that state. Move to the side of the printing machine 1 and move to the lower unit carriage 21.
To the carriage reciprocating conveyor 60, and then the lifting table 53 descends to lower the unit lower carriage 2
Lower 1 onto the floor. At the same time, the lower unit truck 2
The carrying pin 47 provided on the No. 1 is inserted into the engaging tool 67 of the drive chain 66 of the carriage reciprocating conveyor 60 stopped below the carrying pin 47.

Thereafter, the carriage reciprocating conveyor 60 starts traveling, and the lower unit carriage 21 is moved to the carriage transfer device 64 (see FIG. 1).
Refer to)). When the first one of the plurality of unit lower carts 21 connected to the cart reciprocating conveyor 60 and sent reaches the cart transferring device 64, the cart reciprocating conveyor 60 stops. Next, as shown in FIG. 8, the carriage transfer device 64 lifts the unit lower carriage 21 at that position, pulls out the transport pin 47 from the engagement tool 67, and then moves the unit lower carriage 21 to the adjacent position. It is moved to above the cart circulating conveyor 62. At this time, the drive chain 72 of the carriage circulating conveyor 62 travels intermittently, but the transport pin 46 is in the raised position,
There is no hindrance.

The drive chain 72 moves intermittently as described above, but when it stops, the engaging tool 73 is positioned just below the carrying pin 46 provided on the lower unit truck 21. In addition, the stop position of the drive chain 72 is defined. Then, when the drive chain 72 is stopped, the pin control device 77 operates the drive mechanism 75 of the transport pin 46 to lower the transport pin 46. As a result, the transport pin 46 is inserted into the engagement tool 73, the lower unit truck 21 is connected to the drive chain 72, and is brought into a state of being transported by the truck circulating conveyor 62. After that, the carriage circulating conveyor 72 moves to convey the unit lower carriage 21. Thereafter, by repeating the same operation, the unit lower carts 21 taken out from the printing machine 1 are successively connected to the cart circulating conveyor 62 and sent along the return path 62b.

As shown in FIG. 1, the cart circulating conveyor 62
When the unit lower carriage 21 conveyed by (1) reaches the position P2 of the plate cylinder exchange station 82 and stops, the plate cylinder exchange robot 84 removes the plate cylinder 6 from the unit lower carriage 21. The taken-out plate cylinder is then returned to the plate cylinder warehouse 90. On the other hand, the lower unit carriage 21 after the plate cylinder is taken out is sent to the ink exchange station 92, and the position P
When stopped at 4, the ink exchange robot takes out the ink tank 27 from the unit lower cart 21. The removed ink tank is then returned to the ink warehouse 100.

The lower unit truck 21 after the ink tank 27 is removed is further conveyed by the truck circulating conveyor 62, and the position P of the ink pump exchange station 102 is reached.
Stop at 5. At this position P5, the ink pump exchange robot takes out the dirty ink pump 28 mounted on the unit lower carriage 21 onto the conveyor 103, and the conveyor 103 immediately transfers the ink pump to the downstream ink pump washing machines 104A and 104B. Or send it to 104C. Then, the washed ink pump is sent out from the ink pump buffer 105 onto the conveyor 103, and then the ink pump exchange robot pushes the washed ink pump into the unit lower carriage 21. In this way, the ink pump is replaced with respect to the unit lower carriage 21. Ink pump washing machines 104A, 104
The ink pump sent to B or 104C is washed there, then supplied to the ink pump buffer 105 and stored.

Thereafter, the unit lower cart 21 is sent to the cover attaching / detaching station 110, and when stopped at the position P6, the operator manually takes out the applicator and sends the applicator to the applicator washing machine 115. Next, the cover covering the surface of the ink pan is removed. After that, the lower unit truck 21 is sent to the position P7, and when stopped at that position, the operator manually attaches a new cover to the ink pan, and then attaches the applicator. In this embodiment, the description has been made on the assumption that the covers are manually attached to and detached from the ink pan, but a cover removing device and a cover mounting device for automatically performing this work may be provided and automated.

Thereafter, the lower unit truck 21 is sent to the doctor exchange station 120 and stopped at the position P8, and the operator manually operates the lower unit truck 21.
Remove the dirty doctor from the doctor and remove the doctor 1
21, and take out a new doctor who has finished cleaning and tailoring from doctor stock 123
Put on. It should be noted that it is also possible to provide a doctor exchange robot for automatically performing this doctor exchange operation to automate the operation.

Thereafter, the lower unit truck 21 is sent to the buffer area 80 and stored there.

Next, when the time for item change in any of the printing presses 1 approaches, the unit lower cart 21 stored in the buffer area 80 is pulled out by the cart circulating conveyor 62 according to the information of the item change, and the forward path is set. 62a. When the lower unit carriage 21 reaches the position P3 of the ink exchange station 92,
The ink exchanging robot 93 places the ink tank 27 containing a predetermined ink on the unit lower carriage 21. Then
When the lower unit carriage 21 is sent to the plate cylinder exchange station 82 and stopped at the position P1, a new plate cylinder is placed by the plate cylinder exchange robot 83 at that position.

Thereafter, the lower unit carriage 21 is sent to the carriage transfer device 64 corresponding to the predetermined printing machine 1 by the carriage circulation conveyor 62, and the carriage transfer device 64.
Is transferred to the carriage reciprocating conveyor 60 and is sent to the side of the printing machine 1 by the carriage reciprocating conveyor 60. This operation is sequentially performed on the plurality of unit lower carriages 21 corresponding to the plurality of printing units 1B provided in the printing machine 1. After that, the lower unit carriage 21 sent to the side of the printing machine 1 is sent to the standby position behind each printing unit 1B by the child carriage 52 (see FIG. 7) to prepare for the replacement operation of the lower unit carriage. Becomes

As described above, the work such as the plate cylinder exchange and the ink exchange accompanying the item change of the printing machine is performed, and the stop time of the printing machine can be made extremely short. In addition, each part such as plate cylinder, ink pan, ink tank, ink pump, doctor, etc. that needs cleaning and replacement is automatically transferred to each station while being placed on the lower unit carriage 21. In addition, the robot is used to replace the main parts such as the plate cylinder and the ink tank with respect to the lower unit carriage 21 to save labor.

[0047]

As described above, according to the present invention, the unit lower carriage having the plate cylinder, the ink pan, the ink tank, the ink pump and the like can be inserted into and discharged from the lower region of the printing unit. Therefore, when changing the item in the printing machine, keep the new unit lower cart in front of or behind the printing unit, and after stopping the printing machine,
By ejecting the lower unit carriage in the printing unit and inserting a new lower unit carriage in the printing unit, the plate cylinder, ink pan, ink tank, and ink pump can be replaced with new ones in an extremely short time. The downtime of the printing machine can be greatly reduced. Furthermore, according to the present invention, the lower unit carriage is automatically moved to the plate cylinder exchange station, the ink exchange station, and the buffer area provided at a position away from the printing machine, so that the operator's manual work for transportation is performed. Since the plate cylinder exchange robot is installed in the plate cylinder exchange station, the ink exchange robot is installed in the ink exchange station, and the ink pump exchange robot is installed in the ink pump exchange station, ,
The plate cylinder, ink tank, and ink pump can be replaced automatically, which also eliminates the need for manual labor by the operator, which can reduce the heavy labor of the operator and significantly reduce the workload. .

Thus, according to the present invention, the item change of the printing press can be carried out while the down time of the printing press is extremely shortened, so that the productivity of the printing press can be increased and the work load for the preparation can be increased. It is possible to obtain the effect of significantly reducing

Here, the ink pan is provided with a detachable cover on its inner surface, and a cover attaching / detaching station for attaching / detaching the cover is provided on the traveling route from the printing machine of the unit lower carriage to the buffer area. The inner surface of the ink pan can be cleaned simply by removing the used dirty cover at the cover attachment / detachment station and attaching a new cover. Therefore, the troublesome cleaning work of the inner surface of the ink pan can be omitted. .

Further, the unit lower carriage is provided with a doctor storage for mounting a doctor provided in the printing unit, and the unit lower carriage is provided on a traveling route from the printing machine of the lower unit carriage to the buffer area. If a doctor exchange station for exchanging the doctor is provided for the doctor, the doctor can be transported by the unit lower trolley, and the transport work for the doctor can be omitted. At this time, if a doctor cleaning device is installed at the doctor exchange station,
The removed doctor can be washed at that position to be in a reusable state, and there is an effect that unnecessary transportation work is unnecessary.

If the ink pump cleaning station is provided with an ink pump cleaning device, the ink pump cleaning operation can be automatically performed, and the dirty and troublesome work such as when the operator manually cleans the ink pump. The effect of being able to eliminate is obtained.

Further, the lower unit truck is allowed to pass through the printing unit, and the lower unit truck located in the printing unit is ejected from the printing unit. With the configuration in which the unit is inserted into the printing unit from the opposite side, it is possible to take in and out the unit lower dolly with respect to the printing unit in parallel, and it is possible to obtain an effect that the time for dolly replacement can be extremely shortened.

[Brief description of the drawings]

FIG. 1 is a schematic plan view showing the entire outer setup system of a printing press according to an embodiment of the present invention.

2 is a longitudinal sectional view schematically showing a plurality of printing units provided in the printing machine shown in FIG.

FIG. 3 is a horizontal sectional view schematically showing the plurality of printing units.

FIG. 4 is a schematic sectional view showing a lower region of one printing unit.

5 is a schematic rear view of the portion shown in FIG. 4 as seen from the rear side of the printing unit.

FIG. 6 is a schematic cross-sectional view showing the region shown in FIG. 4 in a state before the lower unit carriage is inserted.

FIG. 7 is a perspective view schematically showing an apparatus for loading and unloading a lower unit carriage between printing units in the above embodiment.

FIG. 8 is a schematic perspective view showing a connection region between a bogie reciprocating conveyor and a bogie circulating conveyor in the above embodiment.

FIG. 9 is a schematic perspective view showing a part of the plate cylinder exchange station in the above embodiment.

FIG. 10 is a schematic perspective view showing a part of the ink exchange station in the above embodiment.

[Explanation of symbols]

 1 Printing Machine 1B Printing Unit 2 Side Frame 3 Web 6 Plate Cylinder 7 Impression Cylinder 9 Finisher Roller 11 Applicator 13 Plate Cylinder Bearing 21 Unit Lower Cart 26 Ink Pan 27 Ink Tank 28 Ink Pump 30 Plate Cylinder Supporting Member 50 Cart Moving Device 52 Child cart 53 Lift table 60 Cart reciprocating conveyor 62 Car circulating conveyor 62a Outgoing 62b Return 64 Cart transferring device 80 Buffer area 82 Plate cylinder changing station 83, 84 Plate cylinder changing robot 92 Ink changing station 93, 94 Ink changing robot 102 Ink pump Exchange station 104A, 104B, 104C Ink pump washing machine 105 Ink pump buffer 110 Cover attachment / detachment station 111 Trash box 113 Cover stock 115 Applicator washing Machine 116 Applicator stock 120 Doctor replacement station 121 Doctor disassembling device 122 Doctor assembly device 123 Doctor cleaning device

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Takehiko Ichise 1-1-1, Ichigaya-Kagacho, Shinjuku-ku, Tokyo Inside Dai Nippon Printing Co., Ltd. (72) Inventor Takami Yamazaki 1-1-1, Ichigaga-cho, Shinjuku-ku, Tokyo No. 1 Inside Dai Nippon Printing Co., Ltd.

Claims (6)

[Claims] 1. A unit lower carriage, which is equipped with a plate cylinder, an ink pan, an ink tank, and an ink pump, can be inserted into and discharged from a lower region of a printing unit, and is provided at a position apart from the printing machine. A plate cylinder changing station equipped with a plate cylinder changing robot that supplies and removes a plate cylinder to and from the lower unit carriage, and an ink changing robot that supplies and removes an ink tank to the lower unit carriage An ink exchanging station, an ink pump exchanging station equipped with an ink pump exchanging robot for exchanging an ink pump for the lower unit carriage, a buffer area for storing the lower unit carriage, and a lower unit carriage for the buffer unit. From the area, through the ink exchange station and the plate cylinder exchange station, A means for moving the lower unit carriage along a predetermined traveling route so that the lower carriage is fed into the knit and returned to the buffer area from the printing unit through the plate cylinder exchange station, the ink exchange station, and the ink pump exchange station. Setup system of a printing machine having a. 2. The ink pan has a detachable cover on its inner surface, and a cover attaching / detaching station for attaching / detaching the cover is provided on a traveling path of the unit lower carriage. Item 2. An external setup system for a printing press according to item 1. 3. The unit lower carriage is provided with a doctor storage for mounting a doctor provided in a printing unit, and a doctor is exchanged with respect to the unit lower carriage on a traveling route of the unit lower carriage. An external setup system for a printing press according to claim 1 or 2, further comprising a doctor exchange station. 4. The doctor cleaning device is provided in the doctor exchange station.
The external setup system of the printing machine described in. 5. The external setup system for a printing press according to claim 1, wherein an ink pump cleaning device is provided at the ink pump exchange station. 6. The unit lower carriage is capable of passing through a printing unit, and at the same time as discharging the unit lower carriage located in the printing unit from the printing unit, a new unit lower carriage is provided. The external setup system for a printing press according to any one of claims 1 to 5, wherein the printer is inserted into the printing unit from the opposite side.