JP3386708B2 - Centralized control processing system for gravure printing equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to
Control processing system for gravure printing equipment for multi-color printing
About 2. Description of the Related Art Conventionally, this type of gravure printing apparatus has been
For example, for packaging bags, for building materials such as wood, and for publishing.
Used for overprinting several colors of patterns, for example for printing
Set film tension value, temperature and printing pressure
And print it. [0003] This gravure printing apparatus is provided for each color.
Predetermined examples so that printed characters and patterns do not shift
For example, initial registration at a low printing speed of about 30m / min
Or a predetermined printing speed of, for example, about 150 m / min.
Automatic register color control at printing speed
Is being done. At the time of the manual registration, the manual registration is performed.
When shifting from automatic printing to automatic registration (printing speed is 30m
When the speed changes from about / min to about 150m / min
), And in the case of automatic registration, a mark for each color
Register marks printed during printing (print position
Position of the alignment mark) in the front-rear direction and the left-right direction
The control is performed so as to have a predetermined positional relationship. this
FIG. 4 schematically shows such a conventional gravure printing apparatus.
The structure is schematically shown. [0005] As shown in FIG.
51 is a weight from a delivery roll 53a wound in a roll shape.
Feeding out the tape-shaped film 52 as the printing target
A transmitting unit 53 and a predetermined tension value from the transmitting unit 53;
And pull out the film 52 with the draw-out roll 55a
An infeed section 55, which is heated to a predetermined temperature by a heater 54,
Of the film 52 supplied from the in-feed unit 55
To print characters and pictures of each color in order
Printing units 56a to 56c and the printing unit
The printed film 52 from the
Out feed part 5 which is pulled out by a draw-out roll 57a
7 and the printed file from the outfeed section 57.
A winding unit 58 including a winding roll 58a for winding the lum 52
And the transport speed and tension value of these films 52,
Temperature, printing pressure, etc. are set.
A print drive system for collectively driving the print units 56a to 56c
Control unit (not shown) and each of the printing units 56a to 56c.
Detects print misregistration with respect to the set print position,
By setting the detection value to the specified setting value, the setting mark for each color
Drive control to eliminate printing deviations from printing position
And a color control unit 59 for controlling the color. Each of these printing units 56b to 56c is
Each of the characters and patterns for each color is
As a printing plate for each color to sequentially print
A roll-shaped plate cylinder 60, and an upstream side of the plate cylinder 60
The compensator roll 61 is connected to a compensating motor 62.
Is moved in the vertical direction together with the film 52 by the
2. Film flow direction marking with controllable path length (slack amount)
Printing position adjusting means 63 for correcting misregistration, and these plate cylinders
The plate cylinder 60 is connected side by side and arranged
Direction (width direction).
Print position adjusting means 65 for correcting the film width direction,
It is disposed downstream of the cylinder 60 and is printed by the plate cylinder 60.
Electric heater, steam and
A dryer 66 for gas cooking, etc., and the dryer 66 and plate cylinder 6
0, and are printed when printing each color.
Optical fiber type to detect the print position of register mark
Scanning head SH composed of detectors and each color
Drive motor for rotating the plate cylinder 60 of FIG.
Not shown) and each color by this drive motor (not shown)
For outputting a control signal indicating the rotational position of the plate cylinder 60 of FIG.
And a generator 67. While transporting the film 52, the film 52
A print drive control unit that prints pictures so that they overlap next, and each color
Color control to match each print position to the set print position
And a rule part 59 are separately provided. SHC is
SHB is a scanning cord for scanning head.
It is a relay box for the running head. [0008] According to the above configuration, first, the operator operates the seal.
By operating the keys on the control panel of the printing drive controller,
The tension value of the film 52, its temperature and printing pressure, etc.
Set. The tension value of this film 52 and its temperature
When the degree changes, the elongation percentage of the film 52 also changes and becomes stable.
This is because printing for each color cannot be performed. In addition, plate cylinder 6
The dimension between print units is an integral multiple of the rotation circumference of 0.
Compensator roll 61 for compens
It is moved up and down with the film 52 by the motor 62
By changing the path length (slack amount) of the film 52,
Predetermined setting printing position in printing units 56a to 56c
To the initial position. Next, the film 5 is set in accordance with these set values.
2 while printing at low speed (about 30m / min)
Drive of the entire gravure printing apparatus 51 is started. This
At this time, the printing drive control unit controls the film 5 at a predetermined temperature.
2 to obtain a predetermined tension value of 2.
55a, 57, plate cylinder 60, etc. are driven to rotate, respectively.
It controls the rotational drive of each drive motor (not shown).
Each color at such a low transport printing speed of about 30 m / min
The actual characters and patterns to be printed so that each pattern overlaps
Perform manual registration to match the print position. In addition,
The control unit 59 includes the printing units 56a to 56
c to detect a print shift with respect to the set print position,
By matching the detected value to a predetermined set value, the setting for each color
Automatically remove each printing deviation from the fixed printing position.
Dynamic control. That is, the operator operates the printing drive control unit.
The film 52 is conveyed from the installation position of the control panel.
Each printing unit 56b, which is a visual inspection place flowing,
56c, where the film 52 is marked for each color.
The printed alignment mark (register mark) matches
Whether or not each mark is misaligned is checked. The rank for each color
If the alignment mark (register mark) matches, color
Return to the place where the control
Make a moving register. Also, the alignment mark for each color
If the registration mark does not match,
Color control section until the mark (register mark) matches
At 59, a manual registration is performed. Further, the film 52
The film 52 is transferred to the visual inspection place
The actual printing position of characters and pictures for each color can be checked by visual inspection.
Visual inspection to verify that the
You. Characters and patterns for each color do not match in this visual inspection
If this is the case, repeat the above procedure for characters and pictures for each color.
The key operation of the operation panel 59a is performed until the pattern matches, and
The pererator is located between the visual inspection place and the operation panel 59a.
Will come and go. Further, after such manual registration,
At the printing conveyance speed of about 150m / min.
Automatic registration that matches characters and pictures to be printed to the set print position
Perform alignment. At this time, the printing drive control unit
55a, 57, plate cylinder 60, etc. are driven to rotate, respectively.
It controls the rotation drive of each drive motor (not shown).
Thus, a predetermined tension of the film 52 at a predetermined temperature is obtained.
Value (predetermined elongation). [0012] Further, the operator is required to carry the film 52.
Move to the visual inspection location where the
Printed files for each color using a troboscope, etc.
Lum 52 is visually inspected, and no printing is performed by superimposing each color.
If this is present, the number
Know how far it is in the direction of
Control unit 59 to the place where
Correction unit (correction) obtained by visual inspection on the operation panel 59a
Color), correction direction and correction amount are keyed in to set print position
Is updated, and the film 52 is conveyed and flowing again.
Of the printed film 52 for each color at the visual inspection location
By visually inspecting the printing deviation for each color, characters and
Check if the actual print position of the pattern is correct
You. By key correction according to this visual inspection,
If the characters or patterns do not match, try again as described above.
The order of the operation panel 59a is until the characters and patterns for each color match.
Key operation is performed, and the operator selects the visual inspection location and
The user moves back and forth between the operation panels 59a. [0013] In the above conventional configuration,
By the compensating motor 62 of the compensator roll 61
Change the path length (slack amount) of the film 52
Make correction so that the print position is the set position.
For compensating the compensator roll 61
Conventionally, the moving speed by the motor 62 is as low as 1 mm / min.
Speed and the time to correct the misregistration (color misregistration) is long
Printing of misregistration failure (color misregistration failure) during that time
There is a problem that many products are completed
Was. In particular, when there are many printing colors, it becomes more remarkable.
You. The present invention solves the above-mentioned conventional problems.
The time required to correct the printing position is reduced,
Centralized control of gravure printing equipment that can suppress production
The purpose is to provide a control system. [0015] A gravure printing apparatus according to the present invention.
The centralized control processing system of the
Multi-color printing unit for each color
Centralized control processing system for gravure printing equipment to print
And the position of the roll for transporting the printing material is
Numerical control of the movement to change the amount of slack in the print
Each printing position in each printing unit is set and printed
Color control section to adjust the position
Indicating means and the resist printed at the time of printing for each color
Mark and register mark by pre-printing unit
Scanning head that detects the pitch dimension of the position
And printing of the printing object sequentially printed for each color
Imaging means for imaging the contents and displaying the images on the display means.
The color control unit includes a scanning head.
The pitch size detected in
To correct the flow direction to change the roll position.
Drive control of the compensating motor and this drive control
The detected pitch dimension is also a predetermined dimension.
When the target position is not reached, an image is taken by the image pickup means,
The printing unit of each color is displayed on the printing surface displayed on the display means.
From the print image printed in the printer,
The printing unit to be corrected and the correction method input from the operation unit
Updates the direction and correction amount as setting print position setting data
In addition, correction and printing position adjustment are performed. With this configuration, the scanning head is used for detection.
The issued pitch size will be the specified target position of the specified size.
In order to change the roll position,
The pen motor is driven and controlled.
Therefore, the detected pitch dimension is a predetermined dimension of a predetermined dimension.
When the target position is not reached, an image is taken by the imaging means,
The printing unit of each color is displayed on the printing surface displayed on the display means.
From the print image printed in the printer,
The printing unit to be corrected and the correction method input from the operation unit
Direction and correction amount are updated as setting print position setting data
Then, the print position is corrected and the print position is adjusted. this
The position of the roll is numerically controlled by motor drive
Since the amount of slack in the print is changed, the flow of the print
The correction speed of the print position in the orientation
To the set print position more quickly during automatic registration.
To eliminate printing misalignment,
The production volume of misprinted defective products is greatly reduced,
This is significantly advantageous in terms of cost. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, gravure printing according to the present invention will be described.
Drawing of the embodiment of the centralized control processing system of the device
Although described with reference to the drawings, the present invention is limited to the following embodiments.
It is not specified. FIG. 1 shows gravure printing according to an embodiment of the present invention.
FIG. 4 is a block diagram showing a control configuration of the apparatus, and shows each configuration of a conventional example.
The same reference numerals are used for members having the same functions and effects as the component members.
The description is omitted here. In FIG. 1, the gravure printing apparatus 1
Is the transport speed of the film 52 as a tape-shaped material to be printed.
Temperature, its tension value and temperature,
Printing conditions can be set individually, and according to those setting values
Printing by the printing units 56a to 56c for each color
And a printing drive control unit for controlling the printing
The printing units 56b and 56c respectively set the respective printing positions.
Each setting is detected and there is no
A color control unit (described later)
An operation described below that can update these set values and set print positions
Operation control unit (for example, a panel computer with a touch display)
Are connected as an information network to form an integrated
Transfer of the printed film 52 of each color to the middle control processor 2
The feed path (in this embodiment, the upstream side of the outfeed portion 57)
(Neighboring position), and printed sequentially for each color
A camera as an imaging means for projecting the print content of the film 52
A display screen 4 for displaying image data from the camera device 3 is provided.
Has been established. This display screen 4 has two screens on the left and right.
One of which is the printing static from the camera device 3.
The screen is for displaying a still image, and the other is pointing
It is for an input screen with a device or an operation condition output screen.
In addition, centralized management of data, which will be described in detail later,
It is carried out. The centralized control processor 2 includes various key switches.
Operation unit (such as a touch switch on the display screen 4)
Touch device and key with color screen with touch
(Including a board) 5 is provided.
Is a driving method described later for driving the plate cylinders 60 for each color collectively.
Start or stop of motor (not shown) and its rotation speed
Film transport speed setting switch to control the
Feeding section 55, plate cylinder 6 of printing units 56a to 56c
0, the film 5
Tension value setting operation to properly control the tension value of 2
Operation switch, preheater 54 and dryer 6 for each color
6 and other temperature setting operation switches for controlling the temperature,
Set the correction value for color control to the set print position.
Controls the correction value input switch to be input and other parts.
Various operation switches and the like are provided. The print contents of the film 52 (characters and pictures)
The color camera device 3 that projects the pattern
Device, and the like,
The printing surface of the film 52 which is conveyed and flows at the mouth position
The switch is installed so as to face the top
Came to take in the print image on the film 52
I have. The output terminal of the camera device 3 is a central control process.
It is connected to a color display means (not shown) of the device 2 described later.
The display means displays an image from the camera device 3.
Once stored and repeatedly transmitted as a still image
Each color is displayed on the film 52 which is transported and flows.
Print images such as characters and pictures that are printed in layers
It can be confirmed on the display screen 4. Operator
The actual printing while viewing the still image printed on the display screen 4
Correction unit (correction color), correction to correct deviation
The direction and the correction amount can be set by the respective correction value input switches
It is configured to perform an input operation from. Further, the print position adjusting means 18 includes an AC
The film 52 with the compensating motor 62a
Both are moved in the up and down direction to move the path length (slack
The printing units 56b, 56c
Aligns with the specified print position in
Of the compensator roll 61 by the pen motor 62a
Performs a home return operation every time a position shift occurs.
Compensator roll 6 according to the amount of rotation of motor 62a
Accurately set the print position by numerical control of the moving distance of 1
I will do it at the vertical movement speed (correction speed) that reaches quickly
Swelling. FIG. 2 is a schematic diagram of the centralized control processor 2 of FIG.
FIG. 3 is a block diagram showing a functional configuration, and FIG.
Control processing equipment including schematic hardware configuration of display unit and display unit
FIG. 4 is a block diagram of a device 2. In FIG. 2 and FIG.
Is an RA as a storage unit capable of storing various control data.
M7 and ROM 8, and a central processing unit for controlling each unit
(Hereinafter referred to as a CPU) 9.
PU 9 has an address bus, a data bus and a control bus.
RAM 7 and ROM 8 are connected via a controller bus.
ing. These buses also have additional interfaces.
Operation unit 5, via a base circuit (not shown),
Image display means 11 of display unit 10, color control unit
12, machine control unit 13, tension control unit 14, temperature control
The control units 15 are each connected to a bus. The operation unit 5 and the overall control unit 6
The operation control unit 6a is configured,
Each setting of the tension control unit 14 and the temperature control unit 15
Value and print position set in color control section 12
It can be updated. Also, this operation control unit
6a, the print content of the film 52 is displayed on the display screen 4.
A display unit 10 is provided. In addition, the control unit
13, the tension control unit 14 and the temperature control unit 15.
And a print drive control unit 13a.
6a through the operation unit 5 and the overall control unit 6,
52 transport speed, tension value and temperature can be set
Control the printing drive according to those settings.
It has become. As described above, these color controls
Unit 12, main unit control unit 13, tension control unit 14,
Setting mark required for each operation of temperature control unit 15
Printing condition information is set from the general control unit 6 to each unit as necessary.
The output is fixed. The overall control unit 6
Indicates the color control during printing as operation monitor information.
Control unit 12, machine control unit 13, tension control unit 14, and
Collects and displays information on the set printing conditions from the temperature and temperature control unit 15.
Display on the display screen 4 and periodically
Is stored in the RAM 7. This RA
The information of the setting print condition of the operation content stored in M7 is
From communication port (not shown) for host computer link
Such as a modem (not shown) or a digital line (not shown)
It can be connected to public lines via communication
Monitor from the roll room).
Quicker and more appropriate treatment at birth and during maintenance
It becomes possible. Similarly, for communication with external control devices
Is connected to a modem or digital line (not shown)
To control the contents via communication means such as
do it. The ROM 8 stores the above-mentioned color data.
Control unit 12, main unit control unit 13, tension control
A series of units that integrally control the unit 14 and the temperature control unit 15
Stores each program data of operation procedure and its control data
And various processing menu screens on the display screen 4.
Various image data such as surface data and guidance screen data
Is stored in the RAM 7 from the operation unit 5.
Control data that can be input and newly updated is stored
Swelling. In this case, the updatable control data
Data is stored in RAM 7 such as a print code such as a lot number.
For example, a code that combines alphabets and numbers)
Is stored together with the
Filled with the same material and size as the unit number
In the case of a printing material such as the
Enter the lot number in the RAM 7 together with the lot number.
The previously stored control data is searched and this searched
Color control, machine control,
Printing operation by controlling tension value control and temperature control
It is supposed to. In other words, this control data is printed
This is data for setting operating conditions.
Roll unit 12, machine control unit 13, tension control unit 14
In order for the temperature control unit 15 to operate, the overall control unit 6
From the color control unit 12, the machine control unit 13,
Required for the application control unit 14 and the temperature control unit 15, respectively
Is transmitted in response to the request. In addition,
Other display screens such as operating conditions that show the control data in use
Operating conditions so that the next process lot can be set up.
Display screen, for example, alternately with the currently used image.
It is configured to be able to switch planes. Various processing menus of the overall control unit 6
Printing code such as lot number,
Information and printing operation condition information can be input from the operation unit 5.
Printing condition input processing and the operation status of the printing press during operation
Is displayed on the display screen 4 in real time,
During operation, an error message is displayed when an error occurs.
Processing (setting values can be modified) and the information file
The keyword is managed by the date of the warehouse calendar timer
The print code such as the lot number is used for the print code.
Print operation condition information is written, read, copied and deleted for each mode.
Information file management process and floppy disk
Writing (recording) to an information file on an external storage device such as
Or, an information file that can be read from that information file.
File save processing and printout processing
Screen hard copy on screen 4 and various information files
Printouts of the
Information file printout, such as printout
Processing and input from the operation unit 5 (not shown in FIG. 2)
By operation, the overall control unit 6 of the operation control unit 6a
Communication mode for host computer link
Port (not shown) to modem (not shown) or digital
Connect to a public line via communication means such as a line (not shown).
Monitor and monitor printing operation condition information from a distance
High-level interface for which online maintenance is possible
Chair treatment, initial registration, tension and temperature control
Startup adjustment menu, etc.
Initial adjustment operation processing to improve the efficiency of operation work
Have. The RAM and ROM 8 and the like
Storage devices include hard disks and floppy disks.
Which recording medium is used,
Use the disk as a storage device,
Use a floppy disk for data storage.
Has been established. The program data includes
In addition to the general control program for
Screen display, guidance program, and printing deviation
Predetermined printing position to eliminate according to the actual printing deviation
Top professional color control to change and update
There are various programs such as Gram. The image display means 11 displays the display screen 4
In the case of a liquid crystal panel, the image from the camera device 3 is temporarily
An image storage unit (not shown) such as a VRAM to be stored;
The image in the image storage section is repeatedly read and input.
Display driving device for driving the LCD panel
(Not shown). As described above, the CPU 9 executes the processing in the ROM 8.
Program data and control data, and
Control data according to the
The color control unit 12 and the book
Machine control unit 13, tension control unit 14, and temperature control unit
15 is generally controlled. Next, the color control unit 12
Marked when printing each color with the scanning head SH
The position of the register mark to be printed and the registration
Detects the pitch dimension with the star mark and detects the detected pitch.
H is a predetermined size (in this embodiment, 20 mm)
Compensation mode for flow direction correction so that
The compensator roll 6 is controlled by driving the
1 in the vertical direction to move the film
Amount correction) for film flow direction (front-back direction)
When printing each color with the scanning head SH
Each register mark is printed with a similar register mark in the width direction.
Position is detected, and the detected position in the width direction is a predetermined target position.
So that the plate cylinder 60 can be moved in the longitudinal direction
Drive motor 64 to control the film width direction.
(Horizontal direction) correction control. Further, the color control unit 12 outputs a pulse
The generator 67 is connected to the
From a pulse generator 67 indicating the rotational position of the plate cylinder 60 for each color
Scanning pulse S for each color
H, respectively, to activate the register system printed for each color.
Mark position and register mark position by preceding unit
Only the pitch between the device and the unit is detected.
You. Here, the flow of the tape-like film 52
In the dimensions in the directions, the units 56a to 56c for each color
Initial marking so that the phase of the outer dimensions of the plate cylinder 60 match at an integral multiple
If the printing position is aligned, the print content for each color will theoretically match
However, in practice, the torsion of the plate cylinder 60 and the mechanical distortion of each part
The position of the register mark is the specified printing position
Even if manual registration is performed without matching the color
Print misalignment because characters and patterns do not match for each of 56b and 56c
Can occur. For this reason, the operator
Each color based on the still print image (actual print image) on the display screen 4
Refer to the print position shift for each color to determine the print shift for each color.
Correction unit (correction color), correction direction and correction amount
By pressing the correction switch of the operation unit 5 in accordance with
Film 52 stored in M together with the lot number
The set print position, which is the predetermined target position in the flow direction and width direction
Update the control data of the
It can be corrected. Thus, the overall control unit
6 is based on the color control upper program,
Setting print position corrected by the correction switch of the operation unit 5
The setting print position in the color control unit 12 is updated
Control is performed so that the
The color control unit 12 adjusts the printing position
It is supposed to do. The color control unit 12 operates
Even when the correction is not set by the correction switch of the unit 5,
Operate based on color control host program
The same lot number as the lot number input by switching of part 5
The CPU 9 detects the print position of the set number from the RAM 7.
Search, and color-coordinate it to the set print position.
Control for printing misalignment
I have. Further, the color control unit 12
Correction of the flow direction between the width direction and the flow direction of the film 52
In many cases, the distance is relatively large.
Correction speed, that is, the
The vertical movement speed of the compensator roll 61 is
Was a low speed of 1 mm / min, but the faster
Print alignment can be performed quickly,
Time is reduced, and defective printing
In this embodiment, the amount of the product can be further reduced.
Is the vertical movement speed in the range of 1 mm / min to 20 mm / min
Degree (correction speed). In the range of 1 mm / min to 20 mm / min,
The vertical movement speed (correction speed) indicates the flow of the film 52.
20 mm / min when the correction distance in the direction is more than a predetermined distance
If the correction distance is less than the specified distance,
Is 1mm / min to 20mm as the correction distance is longer
/ Min. Accordingly
To perform initial registration (perform the setup work while the printing press is stopped).
Time) or when the flow speed of the film 52 changes.
Set print position data of the same lot number as the
U9 searches from the RAM 7 and the searched setting print position.
Without color control printing
Correction is made more quickly. This setting
As the constant printing position data, for example, a maximum of 20 mm / min
The printing deviation is corrected at the correction speed of
At a correction speed of 20 mm / min or less according to the separation.
The correction has been made and the trapezoidal setting print position data
You. As described above, the register printed for each color
Mark position and register mark position by previous unit
Setting print position data curve where the pitch dimension changes
Initial registration time to correct the print position so that it becomes
But where it takes 4-5 minutes, at least about 30 seconds
And the set print position data is more than a predetermined distance away
At a high speed of 20mm / min to a predetermined distance.
Correction is required, and the correction distance needs to be
In such a case, make correction at a low correction speed of about 1 mm / min.
It has become. Further, the flow speed of the film 52 is set to a normal mark.
When increasing the printing speed or vice versa
Even during transitional periods, such as when lowering and stopping
Is up to 20mm / min for quick correction of print misalignment
Therefore, in addition to the above change in printing speed, a sudden change occurred.
Correction of print misalignment rather than print misalignment
Out of sync with the setting print position data
Maintains consistency with the set print position data
Change the printing speed more quickly (without
It becomes possible. As described above, the operation control unit 6 a
Controls the control unit 12 and the print drive control unit 13a
And the initial registration by the color control unit 12
And automatic register control are integrated.
I have. Next, the speed setting by the machine control unit 13 is as follows.
With the preset function, the manual registration speed can be set from the operation unit 5
(For example, 30 m / min) or the normal printing speed.
Dynamic register speed (eg 150m / min) can be set
Yes, these speeds are preset from the operation unit 5 before driving.
The start switch of the operation unit 5
Only based on the control program for the transport speed of the film 52
And it can be automatically accelerated or decelerated automatically. Operation unit
The speed adjustment switch 5 is the current speed increase / decrease switch.
And a minimum speed reduction switch used at the end of printing.
Speed control by setting any speed with one touch
Is possible, its preset and current speed are monitored
To be displayed on the display screen 4 of the display unit 10
I have. This speed adjustment switch updates the speed,
Manual registration speed (for example, 30m / min) and printing speed
The preset value of degree (for example, 150 m / min) is automatically increased.
If the speed is not decreasing, the speed can be set arbitrarily.
Can be preset to the required speed
ing. As described above, the C input from the operation unit 5
The settings preset in the unit controller 13 via the PU 9
The machine controller 13 controls the transport speed so that the constant speed value is obtained.
Automatic acceleration or deceleration based on the control program
The drive motor 17a of the delivery roll 53a
The drive motor 17b of the pull-out roll 55a of the
Drive motor 17 for pull-out roll 57a of feeding section 57
c, drive motor 17d for winding roll 58a and printing cylinder
Driving printing drive systems such as 60 drive motors 16
Control. Further, the data is input from the operation unit 5 and transmitted through the CPU 9.
Tension so that the tension value is
The control unit 14 is based on a tension value control program.
The drive motor 17a of the delivery roll 53a
The drive motor 17b of the pull-out roll 55a of the
Drive motor 17 for pull-out roll 57a of feeding section 57
c, the drive motor 17d of the winding roll 58a is
Drive control is performed so that the tension value becomes constant.
It has become. Operation condition setting of the tension controller 14
Is output tension, infeed tension, out
Feed tension and take-up tension are set
It has become. This tension value is the same as the printed code.
The same tension value as the previous setting.
The update is performed by key input from the operation unit 5.
It is possible by force. In particular, for the winding tension,
Drive motor 1 so that the tension value changes according to the diameter.
Various taper settings for the 7d control curve are possible.
In this embodiment, a plurality of points can be scanned from the operation unit 5 while the machine is stopped.
Nine types of taper of control curve by switch input
It can be set. Therefore, take-up row
The tension value of the screw 58a is determined by the initial tension and the
The final row in proportion to the tension set in the
To the diameter. The control unit 13 and the tension control
The operation control of the control unit 14 is performed by the
The transport speed of the LUM 52 and tension control (not shown)
Actual measured value data of tension of each part by measuring part of part 14
As a monitor value in RAM7 periodically or key-in
And store it on the display screen 4 of the display unit 10.
These contents are displayed. In RAM7
Is stored as an average value within a predetermined time.
Or the area in the RAM 7
When the specified storage capacity is exceeded, the oldest stored contents are deleted first.
It may be coming. Further, the temperature control section 15 has a temperature control program.
Preheater 54 and dryer 66 based on the
Automatic temperature adjustment control is performed respectively. these
Each of the preheater 54 and the dryer 66 is a preheater.
Temperature setting required for printing and drying of printed matter
Output to the temperature control unit 15 via the unit 6
The temperature raising signal is sent from the control unit 6 via the control unit 13 to the temperature controller.
The data is output to the control unit 15. Temperature control unit 1
5 changes the steam amount in response to the dryer heating signal
Or a heater (not shown) and an air blower (not shown)
Control and the temperature in the right place.
Feedback of the actual measured temperature from the temperature sensor
May be targeted or always), and the actual measurement
When the constant temperature falls within the range of the above temperature setting value,
13, a temperature rise completion signal is output, and the temperature set value range
Automatic temperature adjustment control is performed so as to maintain the inside
Has become. The above-mentioned temperature set value is transmitted from the operation unit 5 to the switch.
When the general control unit 6 receives the switch operation input,
It is newly configured. The overall control unit 6 controls the actual operation by the temperature control unit 15.
Of the measured temperature at the time of
Is monitored for abnormalities such as air blowers and exhaust fans.
Abnormal message (which print color
Display what is abnormal and what is wrong with the unit)
At the same time, the operator
It is made to make. The operator will respond to the
Therefore, measures such as stopping work such as printing work
Can be taken, but after a predetermined time elapses
Does not take any action by the operator
In such cases, it can be configured to stop abnormally.
is there. Writing of setting data of temperature control unit 15
And reading (playback), the setting data for the initial setting and
RA divided into setting data set with print code
Settings stored in M7 with print code
The data is searched and read the next time the same thing is printed.
You can do it. Also, when an error occurs
The read status file is stored in RAM7
With the date, it is memorized with the date, maintenance etc.
After using the stored contents in, the operator confirmed
It is configured to be erasable later. The operation of the above configuration will be described below.
You. First, a preparation operation for a printing operation is performed. Color
The initial setting of the initial registration by the control unit 12 is as follows:
The machine conditions of the gravure printing apparatus 1 are recorded in the RAM 7 in advance.
Remember, first call the initial values and
Settings are made for the roll unit 12. As this initial setting
Is the length of the pass line between printing units,
The stroke length of the tarol 61 and the origin sensor (not shown)
) Position and orientation (up or down)
It is set for each event. Also, this initial setting is
Necessary for new production of the printing device 1;
Required for maintenance, but required for normal print processing.
No need to call the initial registration condition of the print code
What should I do for the color control section 12?
And The compensator of the printing position adjusting means 18
The home roll 61 performs a home return operation. In other words, automatic watching
If the matching control has been performed for a long time,
This error occurs because an error occurs between the position data and the actual position.
Home position return of compensator roll 61 to remove the difference
The operation is performed every time a displacement occurs. This origin is
Film path maximum in machine layout due to matching position
Either the long position or the film path minimum length position is the origin position
Be placed. The operator returns to the home position return switch of the operation unit 5.
Is pressed, the color control via the overall control unit 6 is performed.
A return-to-origin signal (command) is output to the
In response, the control unit 12 starts the home return operation.
To Via the servo amplifier of the color control unit 12
And move to comp motor 62a of AC servo motor
A pulse and an origin direction signal are output and the compensating motor 62
With the rotation drive of a, the compensator roll 61 moves in the direction of the origin.
Go to The color control unit 12 is an origin sensor.
(Not shown).
When the signal is on, the output pulse is turned off, and the deviation clear signal is
Output to the servo amplifier for compensating the AC servomotor.
The motor 62a is temporarily stopped. After that, the comp
The compensator roll 61 in the direction opposite to the origin by driving the
Will move in the opposite direction. In other words, color control
Movement pulse and anti-origin direction signal to servo amplifier of section 12
(Or anti-origin direction movement pulse) is output at low speed. Mosquito
Control unit 12 receives an input signal from the origin sensor.
When turned off, turn on the output to the servo amplifier and
Preset the position counter value of the compensator roll 61 to the origin.
(The origin is 0 or the compensator stroke
Maximum length). In this way, compensator roll 6
When 1 returns to the origin, the color control unit 12
An origin return end signal is output to the body
-Compensator roll 61 by the control unit 12
Is completed. Further, when the printed matter is determined, which printing unit
Is used, and in the case of a printing machine with distribution specifications
The registration position differs depending on the print distribution method.
From the general control unit 6
Output to the control unit 12 and the color control unit 12
Set within. The signal of the printing unit to be used is
It is transmitted at the start of matching. Next, a printing operation is performed. First, the operator
From the operation unit 5, the print code, the printing unit
Printing conditions such as plate diameter data of plate cylinder 60
Later, before the printing operation, press the initial register switch.
You. This allows the overall control unit 6 to perform color control.
Initial registration command and printing unit and plate used in unit 12
Print conditions such as diameter data are output, and color control
The control unit 12 determines the current controller based on these data.
Initial registration position closest to the position of the pensetter roll 61
Is calculated, and the calculated initial register position is set to the initial register value.
Set on a counter (not shown). Color control
The unit 12 calculates the initial register counter value and the compensator value.
Value of the current position counter (not shown) of the rule 61
And calculate the difference, and send the difference to a servo amplifier (not shown).
Outputs movement pulse and direction designation signal. This initial register compensator roll
The moving speed (correction speed) of 61 is 1 mm / min to 20 m
m / min, and the larger the amount of movement, the faster
To reduce the initial registration time
You. That is, the color control unit 12
Plate cylinder determined by printed matter based on initial registration conditions
Film path between printing units to an integral multiple of the circumference of 60
Pulse drive the compensating motor 62a to match the length
By doing, the compensator roll 61, at the start
After gradually shifting from low speed to high speed at low speed, slow down and stop
Move to stop. This is a color control
Unit 12 is sent from a servo amplifier (not shown)
A-phase pulse and B-phase pulse of encoder (not shown)
(Phase difference signal) using the current position counter
Is added to or subtracted from the initial registration position.
Each time the speed is low, the current position of the compensator roll 61
When the same value as the initial registration position is reached,
Turn off the pulse output to the motor 62a and turn the compensator
The roll 61 is stopped. In this way, compense
When the data roll 61 stops at the initial registration position,
-Initial registration from the control unit 12 to the general control unit 6
End signal and current position data of compensator roll 61
Output data. Further, the operator presses the operation switch.
And at a speed for manual registration (for example, 30 m / min)
When printing is started by flowing the film 52, the control unit 13
Outputs an operation signal to the overall control unit 6, and the operation signal
Is automatically transmitted from the overall control unit 6 to the color control unit 12.
It is output as a register signal. Color control section
12 receives this, the printing units 56a to 56c
Optical displacement error of each register mark printed for each
Scanning head SH detection with fiber type detector
And the displacement error is calculated on the compensator roll 61.
Convert to lower position data (pulse train) for compensating motor
62a so that the displacement error is eliminated.
Outputs a pulse train to the upper and lower compensator rolls 61
Automatically control the position. Transfer of this compensator roll 61
The dynamic speed (correction speed) is 1mm / min to 20mm / min.
This pulse output has a small displacement error.
Is slower, conversely, the more misalignment errors, the higher
Done fast. This is compared to the conventional constant speed motor.
In other words, more accurate registration is performed and always
Control of compensator roll 61 with position data
I do. For this reason, the next time you print the same type of print,
Initial registration is easy by using the position data.
It becomes At this time, the color control unit 12
During automatic registration, the compensator roll 61
The vertical position data is continuously transmitted to the overall control unit 6, and the overall control is performed.
The CPU 9 of the unit 6 operates at a certain time for a predetermined area of the RAM 7
It is controlled so that it is stored only for an interval. In this case,
The latest data of the vertical position data
This is the start position data for registering the register. Also, this note
The vertical position data of the recorded compensator roll 61 is
Log as maintenance information. Next, the operator sets a still image on the display screen 4.
Looking at the surface, the characters and pictures printed for each color on the film 52
Visually inspect the print position of the pattern for misalignment.
Knowing which direction and how much the picture is shifted,
Key-in the correction color, correction direction and correction amount from the operation unit 5
Then, looking at the still screen of the display screen 4 again, the character for each color
And check that the patterns match each other by visual inspection.
You. Characters and patterns for each color do not match in this visual inspection
If this is the case, repeat the above procedure for characters and pictures for each color.
Look at the still screen of the display screen 4 until the pattern matches,
A switch operation is performed. Further, the gravure printing apparatus 1 has a pre-speed
Speed up to the set print transport speed of about 150m / min
Characters to be overprinted for each color at the same printing speed
And color control to match patterns
30m with a speed change that does not shift the superimposed printing every time
/ Min printing speed from 150m / min
Control is performed to increase the feed speed. At this time,
The printing drive control unit includes a drive roller such as the draw-out rollers 55a and 57.
Of the drive motor 16 for rotating the plate 17 and the plate cylinder 60.
By controlling each of the rolling drives,
The predetermined tension value of the lum 52 is obtained.
You. Further, the operator operates the display screen at the same place.
4 and print the film 52 for each color
Visually inspect and there is a printing shift due to superposition for each color
In which direction the text or pattern of the color
From the operation unit 5 to know how much
Key in the correct color, correction direction and correction amount, and display again
Look at the still screen of screen 4 and print the film 5 for each color
By visually inspecting the print misregistration of each color of 2, the sentence of each color
Check that the characters and patterns match. This visual inspection
Characters and pictures for each color can be changed by changing the switch according to the inspection
If the colors do not match, repeat the above procedure for each color.
Switch operation from the operation unit 5 until the characters and patterns match
Will be done. Further, during this printing operation, register control is performed.
Position the compensator roll 61 where the error is zero.
Output from the color control unit 12 to the overall control unit 6,
The overall control unit 6 stores a compensator roll in its RAM 7.
Control to store position 61 with print code
Then, the next time the same product is printed, the RAM 7
Call up the position of compensator roll 61 and make initial registration
It can be used as a matching position. As described above, the centralized control processor 2
The print drive control unit (this machine control unit 13, tension control
Unit 14 and temperature control unit 15) 13a, color control
Control section 12 from the operation control section 6a on the display screen 4.
Necessary for color control work while checking the print contents
Information input and corrective work.
Movement can be eliminated and their workability can be improved
You. Therefore, these work times are also reduced,
For example, in the case of correcting the printing position deviation for each color,
Significantly reduce the production of defective printed products
It can be manufactured at a great advantage in terms of cost
it can. The position of the compensator roll 61 is
By driving the compensating motor 62a of the AC servomotor
Control from central control processor (computer) 2
To change the path length (slack amount) of the film 52.
The correction speed of the printing position in the flow direction of the film 52
The degree is much faster, from 1 mm / min to 20 mm / min.
Is set well for manual registration and automatic registration
Printing misalignment with the set print position more quickly
It can be lost and its printing position is shifted
The production volume of products can be greatly reduced,
It can be produced with great advantage. Film 5
When changing the flow speed in 2, print without causing print misalignment.
The printing speed can be increased more quickly and smoothly. Sa
In addition, initial and automatic registration
Position control due to mechanical errors, etc.
It is possible to remove the error between the location data and the actual position.
it can. Conventionally, a color touch panel has been used.
When performing control, turn off the color control once.
To manually change the color control again
Manual switch while performing color control.
Setting print position data
Data can be updated. This allows for more accurate and faster
Correct the print misalignment so that it becomes the constant print position data
Can be. In this embodiment, the overall control unit 6
Operation unit 5, image display means 11 of display unit 10, color control
Troll section 12, main unit control section 13, tension control section 1
4 and the temperature control unit 15 are connected by a bus.
Connection configuration integrated as an information network as control processor 2
The operation unit 5, the overall control unit 6, and the display
An operation control unit 6a comprising a unit 10 and a color control
Unit 12, the machine control unit 13, the tension control unit 14,
And the print drive control unit 13a including the temperature control unit 15.
In this case, the
Print drive control unit (this machine control unit 13, tension control
Unit 14 and temperature control unit 15) 13a and color control
Delete overlapping parts in the installation work of the rule part 12
Can also improve its workability. Ma
The operation unit 5, the overall control unit 6, and the display unit 10 are
The control unit 6a is integrated with the control unit 6a.
Control unit 6 installed at the position
Control unit 12, machine control unit 13, tension control unit 14, and
And a temperature control unit 15 via a communication line via a modem or the like.
It can be configured to be connected by a control line. This place
In this case, the color control unit 12, the machine control unit 13,
Control target of the tension control unit 14 and the temperature control unit 15
The operation control unit 6a can be disposed near the object.
It can also be remotely controlled from. In this case, the operation
Data must be operated in one place in the central control processor 2.
The same workability as in the above embodiment
You. As described above, according to the first aspect of the present invention,
If the position of the roll is printed by numerical control by motor drive
Since the slack amount of the material is changed, the flow direction of the print
The correction speed of the print position at the time of manual registration and
For faster registration, such as during automatic registration
Print misalignment, and the printing position misalignment
The production volume of defective printed products can be significantly reduced,
It can be manufactured with great advantage in terms of cost.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a control configuration of a gravure printing apparatus according to an embodiment of the present invention. FIG. 2 is a block diagram illustrating a schematic functional configuration of a centralized control processing device 2 of FIG. 1; FIG. 3 is a block diagram of a centralized control processing device 2 including a schematic hardware configuration of an overall control unit and a display unit in FIG. 2; FIG. 4 is a schematic diagram showing a schematic configuration of a conventional gravure printing apparatus. [Description of Signs] 1 Gravure printing device 2 Central control processing device 3 Camera device 4 Display screen 5 Operation unit 6 Overall control unit 6a Operation control unit 7 RAM 8 ROM 9 CPU 10 Display unit 11 Image display unit 12 Color control unit 13 Machine control unit 13a Printing drive control unit 14 Tension control unit 15 Temperature control unit 16, 17a to 17d Drive motor 52 Film 53 Sending unit 53a, 55a Sending roll 54 Preheater 55 Infeed unit 55a Infeed roll 56a to 56c Printing unit 57 Out Feed unit 57a Out-feed roll 58 Take-up unit 58a Take-up roll 60 Plate cylinder 61 Compensator roll 62a Compensation motor 64 Side motor 65 Printing position adjusting means 66 Dryer 67 Pulse generator SH Scanning head

────────────────────────────────────────────────── ─── Continuation of front page (56) References JP-A-63-268647 (JP, A) JP-A-60-42047 (JP, A) JP-A-3-255508 (JP, A) (58) Field (Int. Cl. ⁷ , DB name) B41F 33/06 B41F 13/12 B41F 33/00

Claims (1)

(1) A centralized control processing system for a gravure printing apparatus for printing a multi-color by sequentially superimposing each color in a printing unit for each color on a tape-shaped material to be printed. A color control unit that numerically controls the position of the roll that conveys the print medium by motor driving, changes the slack amount of the printing medium, and adjusts each printing position in the printing unit for each color to the set printing position, and a display unit.
And the register mark that is printed when printing each color
Mark position and register mark position by pre-printing unit
Scanning head that detects the pitch dimension of each color and each color
The printing content of the printing material printed sequentially and superimposed every time is taken.
Imaging means for imaging and displaying the image on the display means, wherein the color control section is detected by a scanning head.
The issued pitch size will be the specified target position of the specified size.
In order to change the roll position,
Drive control of the pen motor and this drive control
Even if the detected pitch dimension is a predetermined target of a predetermined dimension.
When it is not in the position, the image is taken by the imaging means, and
Printing unit of each color on the printing surface displayed on the display means
From the print image printed in
Print unit to be corrected, correction direction and
And the correction amount are updated as setting print position setting data,
A centralized control processing system for a gravure printing apparatus, wherein the gravure printing apparatus corrects and aligns the printing position .