JP2011110887A - Registering device of printer and method for registering printer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a registering device of printer which can make a correct registering of printing positions on the face and back sides of printing paper and a method for registering a printer. <P>SOLUTION: A laser light emitted by a laser point device 35 irradiates an image photographing range of a camera for face side image photographing 31 and a camera for back side image photographing 32. The camera for face side image photographing 31 makes a simultaneous image photographing of a first register mark and a laser light from the laser point device 35. On the other hand, the camera for back side image photographing 32 photographs a second register mark and a laser light from the laser point device 35 simultaneously. Further, a registering regulator 51 for a first color, a registering regulator 62 for a second color, a registering regulator 63 for a third color and a registering regulator 64 for a fourth color perform the registration between the position of a pictorial pattern printed by a first printing part and the position of a pictorial pattern printed by a second printing part, referring to the position of the image photographed first register mark, the position of the image photographed second register mark and the position of the image photographed laser light. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a registration device for a printing press and a registration method for a printing press.

  Conventionally, the registration of the front and back surfaces of a double-sided printing machine is as follows. As disclosed in Patent Document 1 below, the front and back cameras are moved to the registration mark positions in the left and right directions by each motor, and the timing is adjusted to the front surface. And the back side reference register mark (black register mark), respectively, and calculating the amount of misregistration between the front and back from the position of each reference register mark in each image.

JP 61-118249 A Japanese Utility Model Publication No. 64-42135

Masatoshi Okutomi, 15 people outside, “Digital Image Processing”, 2nd edition, Association for Promotion of Image Information Education, March 1, 2006, p. 202-205

However, in the above-described registration of the front and back surfaces of the conventional double-sided printing machine, since each camera is aligned by a mechanism such as a ball screw, backlash occurs, and the positions of the front and back cameras are determined. There is a first problem that it is difficult to match accurately and a detection error occurs.
In addition, there is a second problem that it is difficult to perfectly match the imaging timing due to electrical delay, variation, and the like, and accordingly, the detection timing is slightly shifted and a detection error occurs accordingly.
In addition, in the case of web printing, since the web meanders to the left and right or expands and contracts, the third problem is that the imaging position of the web changes due to a shift in detection timing, and a detection error occurs accordingly. there were.

  In view of the above, an object of the present invention is to provide a printing press registration device and a printing press registration method capable of accurately performing registration between front and back sides.

A registration apparatus for a printing press according to the first invention for solving the above-described problems is as follows.
In a printing machine comprising a first printing unit that prints a pattern on the front surface of a printing paper and a second printing unit that prints a pattern on the back side of the printing paper, the first printed by the first printing unit First image pickup means for picking up an image of a registration mark, second image pickup means for picking up an image of the second register mark printed by the second printing unit, and the position and image pickup of the imaged first register mark A register of a printing press comprising: an adjustment means for aligning the position of the pattern printed by the first printing unit and the position of the pattern printed by the second printing unit from the position of the second registration mark In the alignment device
A laser irradiation device is provided on one of the front surface and the back surface of the printing paper,
The laser irradiation device is configured so that the laser beam from the laser irradiation device irradiates within the imaging range of the first imaging means and the second imaging means;
The first imaging means simultaneously images the first registration mark and the laser beam from the laser irradiation device,
The second imaging means simultaneously images the second registration mark and the laser beam from the laser irradiation device;
The adjusting means includes the first printing unit based on the position of the imaged first register mark, the imaged position of the second register mark, and the imaged position of the laser beam from the laser irradiation apparatus. The position of the pattern printed in (1) is matched with the position of the pattern printed in the second printing unit.

A registration device for a printing press according to a second invention for solving the above-described problem is a registration device for a printing press according to the first invention.
The printing machine is a printing machine further comprising a third printing unit that prints a pattern on the surface of printing paper,
The first imaging unit or the second imaging unit images a third register mark printed by the third printing unit,
The adjusting means determines the position of the pattern printed by the first printing unit and the third position based on the position of the imaged third registration mark and the imaged position of the laser beam from the laser irradiation apparatus. The position of the pattern printed by the printing unit is matched.

A registration device for a printing press according to a third invention for solving the above-described problem is a registration device for a printing press according to the first invention.
The printing machine is a printing machine further comprising a fourth printing unit that prints a pattern on the back surface of the printing paper,
The first imaging unit or the second imaging unit images a fourth registration mark printed by the fourth printing unit,
The adjusting means determines the position of the pattern printed by the second printing unit and the fourth position based on the position of the captured fourth registration mark and the position of the captured laser beam from the laser irradiation apparatus. The position of the pattern printed by the printing unit is matched.

A registration device for a printing press according to a fourth invention for solving the above-described problem is a registration device for a printing press according to the first invention.
The registration is characterized in that it is alignment in the left-right direction.

A registration device for a printing press according to a fifth aspect of the present invention for solving the above problem is the registration device for a printing press according to the first aspect of the invention,
The registration is a vertical alignment.

A method of registering a printing press according to a sixth aspect of the present invention for solving the above problem is as follows:
In a printing machine comprising a first printing unit that prints a pattern on the front surface of a printing paper and a second printing unit that prints a pattern on the back side of the printing paper, the first printed by the first printing unit First image pickup means for picking up an image of a registration mark, second image pickup means for picking up an image of the second register mark printed by the second printing unit, and the position and image pickup of the imaged first register mark A register of a printing press comprising: an adjustment means for aligning the position of the pattern printed by the first printing unit and the position of the pattern printed by the second printing unit from the position of the second registration mark In the alignment device
Using a laser irradiation device on one of the front or back surface of the printing paper, the laser light from the laser irradiation device irradiates within the imaging range of the first imaging means and the second imaging means,
The first imaging means simultaneously images the first registration mark and the laser beam from the laser irradiation device,
The second imaging means simultaneously images the second registration mark and the laser beam from the laser irradiation device,
The image printed by the first printing unit based on the position of the first registration mark that has been imaged, the position of the second registration mark that has been imaged, and the position of the laser beam that has been imaged. And the position of the pattern printed by the second printing unit.

A registration method for a printing press according to a seventh aspect of the invention for solving the above problem is the registration method for a printing press according to the sixth aspect of the invention,
The printing machine is a printing machine further comprising a third printing unit that prints a pattern on the surface of printing paper,
Image a third register mark printed by the third printing unit;
From the position of the third registration mark imaged and the position of the imaged laser beam from the laser irradiation device, the position of the pattern printed by the first printing unit and the third printing unit are printed. It is characterized by matching the position of the pattern.

A registration method for a printing press according to an eighth invention for solving the above-mentioned problem is the registration method for a printing press according to the sixth invention,
The printing machine is a printing machine further comprising a fourth printing unit that prints a pattern on the back surface of the printing paper,
Imaging a fourth register mark printed by the fourth printing unit;
Based on the position of the imaged fourth registration mark and the imaged position of the laser beam from the laser irradiation device, the position of the pattern printed by the second printing unit and the image printed by the fourth printing unit are printed. It is characterized by matching the position of the pattern.

A registration method for a printing press according to a ninth invention for solving the above-described problem is the registration method for a printing press according to the sixth invention,
The registration is characterized in that it is alignment in the left-right direction.

A registration method for a printing press according to a tenth aspect of the invention for solving the above problem is the registration method for a printing press according to the sixth aspect of the invention,
The registration is a vertical alignment.

  According to the present invention, it is an object of the present invention to provide a printing press registration device and a printing press registration method capable of accurately performing registration between front and back sides.

It is the block diagram which showed the structure of the registration apparatus of the printing press which concerns on the Example of this invention. FIG. 1B is a block diagram illustrating a configuration of a registration apparatus for a printing press according to an embodiment of the present invention, following FIG. 1A. It is the block diagram which showed the structure of the registration apparatus of the printing press based on the Example of this invention following FIG. 1B. It is the operation | movement flowchart which showed the procedure of the process in the registration apparatus of the printing press which concerns on the Example of this invention, and the registration method of a printing press. It is the operation | movement flowchart which showed the procedure of the process in the registration apparatus of the printing press and the registration method of a printing press which concern on the Example of this invention following FIG. 2A. FIG. 2B is an operation flow diagram illustrating a processing procedure in the registration device for the printing press and the registration method for the printing press according to the embodiment of the present invention, following FIG. 2B. It is the schematic diagram which showed the structure of the principal part of the registration apparatus of the printing press which concerns on the Example of this invention. It is the schematic diagram which showed the example of the printing machine which concerns on the Example of this invention.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, an embodiment for carrying out a printing machine registration apparatus and a printing machine registration method according to the present invention will be described with reference to the drawings.

Embodiments of a printing press registration apparatus and a printing press registration method according to the present invention will be described below.
First, an outline of the configuration of the printing press according to the present embodiment will be described.
FIG. 4 is a schematic diagram illustrating an example of a printing machine according to the present embodiment.
As shown in FIG. 4, in the double-sided four-color web rotary printing press that is the printing press according to this embodiment, the web W continuously supplied from the paper feeding device 100 is Y (yellow), M (magenta). , C (cyan), K (black), when passing through the duplex printing unit 101 of various colors, various printing is performed, and then when passing through the dryer 102, it is heated and dried, and subsequently It is cooled when passing through the cooling device 103, and after passing through the web pass device 104 and the drag device 105, after tension control or change of direction is performed, it is cut into a predetermined shape and folded by the folding machine 106. . Web guide devices 107 and 108 are provided on the upstream side (the sheet feeding device 100 in the illustrated example) and the downstream side (the drag device 105 in the illustrated example) of the dryer 102.
The above is the outline of the configuration of the printing press according to the present embodiment.

Next, the configuration of the registration device of the printing press according to the present embodiment will be described.
1A to 1C are block diagrams illustrating a configuration of a registration apparatus for a printing press according to the present embodiment.
As shown in FIGS. 1A to 1C, a registration apparatus for a printing press according to this embodiment includes a CPU 10, a ROM 11, a RAM 12, and input / output devices (hereinafter referred to as I / O) 20, 30, 40 on a bus 13. , 50.

  The printing press registration apparatus according to this embodiment includes an imaging timing detection counter 21 and a printing press rotational phase detection rotary encoder 22 via an I / O 20. Note that the rotary encoder 22 for detecting the rotational phase of the printing press is attached to a rotary member of the printing press, and outputs a clock pulse to the imaging timing detection counter 21 every time the printing press rotates by a certain angle, and at the same time the reference rotation of the printing press. A zero pulse is output to the imaging timing detection counter 21 once per revolution of the printing press in phase, and the imaging timing detection counter 21 is reset. Therefore, the imaging timing detection counter 21 counts the clock pulses of the rotary encoder 22 for detecting the rotational phase of the printing press from the reference rotational phase of the printing press, and the count value is the current rotational phase of the printing press. Represents.

  Further, the registration device of the printing press according to the present embodiment includes a front camera 31, a rear camera 32, a front illumination 33, a rear illumination 34, and a laser point device 35 via an I / O 30. Yes.

Here, the configuration of the main part of the registration device of the printing press according to the present embodiment will be described.
FIG. 3 is a schematic diagram illustrating a configuration of a main part of the registration device of the printing press according to the present embodiment. 3A is a schematic diagram showing the configuration of the main part of the registration device of the printing press according to this embodiment, and FIG. 3B is a registration mark and laser of the imaging area according to this embodiment. It is the enlarged view which showed the example of the point.

  As shown in FIG. 3A, the registration device of the printing press according to the present embodiment is installed below the web W and the surface camera 31 and the surface illumination 33 installed above the web W. A back camera 32 and a back light 34 are provided. Further, a laser point device 35 is installed in the front camera 31 or the rear camera 32.

  Further, as shown in FIG. 3B, a registration mark 1 for registration is printed on the front and back surfaces of the web W. The register mark 1 includes a black register mark 2, a cyan register mark 3, a magenta register mark 4, and a yellow register mark 5. Further, the laser point 6 is irradiated by the laser point device 35. In FIG. 3B, only the registration mark 1 for each color for the front surface is shown, but the registration mark 1 for each color for the back surface is printed at the same position on the back surface of the web W.

  Then, as shown in FIG. 3B, the front camera 31 and the rear camera 32 capture images at a time so that the register mark 1 and the laser point 6 can be seen.

Further, the registration device of the printing press according to the present embodiment includes an input device 41, a display device 42, a CRT 43, and a recording device (FD, HDD) 44 via an I / O 40.
In addition, the registration device of the printing press according to the present embodiment includes a first color registration adjustment device 51 via the I / O 50, and the first color registration adjustment device 51 has a first color registration on the front side. An adjustment device 52 and a first color registration adjustment device 53 on the back side are provided.

  The front side first color registration adjustment device 52 includes a front side first color vertical direction registration adjustment device motor 55 and a front side first color vertical direction registration adjustment device motor 55 which controls the front side first color vertical registration control device 55. Motor driver 54 of the adjustment device, motor 57 of the first color left and right direction registration adjustment device on the surface side, motor driver of the first color left and right direction registration adjustment device on the surface side that controls the motor 57 of the first color left and right direction registration adjustment device on the surface side 56.

  The first color registration adjustment device 53 for the first color on the back side is a motor 59 of the first color vertical direction registration adjustment device on the back side and a first color vertical direction registration on the back side that controls the motor 59 of the first color vertical direction registration adjustment device on the back side. Motor driver 58 of the adjustment device, motor 61 of the first color left and right direction registration adjustment device on the back side, motor driver of the first color left and right direction registration adjustment device on the back side that controls the motor 61 of the first color left and right direction registration adjustment device on the back side 60.

  Further, the registration device of the printing press according to the present embodiment is a second color registration adjustment device 62, a third color registration adjustment device 63, and a fourth color registration adjustment device 64 having the same configuration as the first color registration adjustment device 51. It has. Note that the structures of the first color registration adjustment device 51, the second color registration adjustment device 62, the third color registration adjustment device 63, and the fourth color registration adjustment device 64 are generally known. The description here is omitted (see Patent Documents 1 and 2 above).

In addition, the registration apparatus of the printing press according to the present embodiment includes an imaging timing storage memory M1, a front surface imaging data storage memory M2, a back surface imaging data storage memory M3, and a top surface laser point on the bus 13. Left / right position storage memory M4, top / bottom laser point top / left / right position storage memory M5 / top surface registration mark top / left / right position storage memory M6, back side registration mark top / bottom -Memory M7 for storing the left / right position, Memory M8 for storing the distance from the registration mark for the reference color of the surface to the registration mark for each color of the surface, From the registration mark for the reference color of the surface to the registration mark for each color of the surface A distance storage memory M9 in the horizontal direction, a distance storage memory M10 in the vertical direction from the registration mark of the reference color on the back surface to the registration mark of each color on the back surface, The memory M11 for storing the distance from the registration mark for the reference color of the surface to the registration mark for each color of the back surface, the memory M12 for storing the top and bottom reference distance for each color, the memory M13 for storing the surface left and right reference distance for each color, and the back surface of each color Up-and-down reference distance storage memory M14, back and right reference distance storage memory M15 for each color, top and bottom registration amount storage memory M16 for each color on the front surface, left and right registration amount storage memory M17 for each surface color, and back surface Memory M18 for storing the amount of misregistration between the colors in the vertical direction, Memory M19 for registering the amount of misregistration in the horizontal direction between the colors on the back surface, and the distance in the vertical direction from the laser point on the front surface to the registration mark of the reference color on the surface Memory M20 for memory, memory M21 for distance storage in the horizontal direction from the laser point on the front surface to the registration mark of the reference color on the front surface, laser on the back surface -Distance memory M22 in the vertical direction from the point to the reference color registration mark on the back surface, memory M23 in the horizontal direction from the laser point on the back surface to the reference color registration mark on the back surface, Registration amount storage memory M24, front and back side registration amount storage memory M25, top and bottom direction registration amount storage memory M26, back side color registration amount memory M27, front and back Correction amount storage memory M28 of each color of the vertical direction registration adjustment device, correction amount storage memory M29 of the horizontal direction registration adjustment device of each surface color, correction amount storage memory M30 of the vertical direction registration adjustment device of each color of the back surface, A correction amount storage memory M31 for the left-right direction registration adjustment device for each color on the back surface is provided.
The above is the apparatus configuration of the registration apparatus of the printing press according to the present embodiment.

Next, a description will be given of a processing procedure in the printing press registration apparatus and the printing press registration method according to the present embodiment.
FIG. 2A to FIG. 2C are operation flowcharts showing processing procedures in the registration apparatus for a printing press and the registration method for the printing press according to the present embodiment.
The laser point device 35 is turned on before the operation of the operation flow of FIGS. 2A to 2C, and is turned off when the operation of the registration device is completed.

  As shown in FIGS. 2A to 2C, in step P1, the CPU 10 compares the value of the imaging timing detection counter 21 with the value stored in the memory M1, and determines whether it is the imaging timing of the surface. . In Step P1, when the CPU 10 compares the value of the imaging timing detection counter 21 with the value stored in the memory M1, and determines that it is the imaging timing of the surface, it executes Step P2. In Step P1, when the CPU 10 compares the value of the imaging timing detection counter 21 with the value stored in the memory M1 and determines that it is not the imaging timing, it executes Step P1 again.

  In step P2, the CPU 10 images the surface and stores it in the memory M2. After completing the process in Step P2, the CPU 10 executes Step P4.

  In Step P4, the CPU 10 captures the back surface and stores it in the memory M3. After completing the process in Step P4, the CPU 10 executes Step P6.

  In Step P6, the CPU 10 calculates the top / bottom direction position of the laser point on the surface and stores it in the memory M4. After completing the process in Step P6, the CPU 10 executes Step P7.

  In Step P7, the CPU 10 calculates the top / bottom direction position of the laser point on the back surface and stores it in the memory M5. After completing the process in Step P7, the CPU 10 executes Step P8.

  In Step P8, the CPU 10 calculates the top / bottom / left / right positions of the registration marks of the respective colors on the surface and stores them in the memory M6. After completing the process in Step P8, the CPU 10 executes Step P9.

  In Step P9, the CPU 10 calculates the top / bottom direction positions of the registration marks for the respective colors on the back surface and stores them in the memory M7. After completing the process in Step P9, the CPU 10 executes Step P10.

  In Steps P6 to P9, the vertical and horizontal positions of the registration marks of the respective colors are calculated from the center positions of the registration marks of the respective colors in the imaging data of the front and back surfaces obtained using template matching. Since the template matching method is generally known, description thereof is omitted here (see Non-Patent Document 1 above).

  In Step P10, the CPU 10 calculates the distance in the vertical direction from the registration mark of the surface reference color to the registration mark of each color of the surface and stores it in the memory M8, and from the value, the surface vertical reference of each color stored in the memory M12. The distance is subtracted to calculate the amount of misregistration of each surface color in the vertical direction and stored in the memory M16. The registration amount in the vertical direction is obtained from the subtracted vertical distance, the magnification of the imaging camera, and the interval between the CCD elements of the imaging camera. After completing the process in Step P10, the CPU 10 executes Step P11.

  In Step P11, the CPU 10 calculates the distance in the left-right direction from the registration mark for the surface reference color to the registration mark for each color on the surface, stores it in the memory M9, and stores the surface left-right reference for each color stored in the memory M13 from the calculated value. By subtracting the distance, the amount of misregistration in the horizontal direction of each color on the surface is calculated and stored in the memory M17. After completing the process in Step P11, the CPU 10 executes Step P12.

  In step P12, the CPU 10 calculates the distance in the vertical direction from the registration mark for the reference color on the back surface to the registration mark for each color on the back surface, and stores it in the memory M10. By subtracting the distance, the amount of registration in the vertical direction between the colors on the back surface is calculated and stored in the memory M18. After completing the process in Step P12, the CPU 10 executes Step P13.

  In step P13, the CPU 10 calculates the distance in the left-right direction from the registration mark for the reference color on the back surface to the registration mark for each color on the back surface, and stores it in the memory M11. By subtracting the distance, the amount of misregistration in the left-right direction between the colors on the back surface is calculated and stored in the memory M19. After completing the process in Step P13, the CPU 10 executes Step P14.

  In Step P14, the CPU 10 calculates the distance in the vertical direction from the laser point on the front surface to the registration mark of the reference color on the front surface and stores it in the memory M20, and the top and bottom from the laser point on the back surface to the registration mark of the reference color on the back surface. The distance in the direction is calculated and stored in the memory M22. From the distance in the vertical direction from the laser point on the front surface to the registration mark on the reference color on the front surface, the distance in the vertical direction from the laser point on the back surface to the registration mark in the reference color on the back surface is calculated. By subtracting the distance, the amount of misregistration in the top and bottom direction is calculated and stored in the memory M24. After completing the process in Step P14, the CPU 10 executes Step P15.

  In step P15, the CPU 10 calculates the distance in the left-right direction from the laser point on the front surface to the registration mark of the reference color on the front surface and stores it in the memory M21, and stores the left-right distance from the laser point on the back surface to the registration mark of the reference color on the back surface. The distance in the direction is calculated and stored in the memory M23, and the distance in the left-right direction from the laser point on the back surface to the registration mark in the reference color on the back surface is calculated based on the distance in the left-right direction from the laser point on the front surface to the register mark on the front surface reference color. By subtracting the distance, the amount of misregistration in the left and right directions of the front and back is calculated and stored in the memory M25. After completing the process in Step P15, the CPU 10 executes Step P16.

  In step P16, the CPU 10 adds the registration amount of the top and bottom vertical directions to the registration amount of the top and bottom vertical directions between the respective colors on the back surface, calculates the vertical registration amount of each color on the back side, and stores it in the memory M26. To do. Note that the vertical misregistration amount is obtained from the added vertical misalignment amount, the magnification of the imaging camera, and the interval between the CCD elements of the imaging camera. After completing the process in Step P16, the CPU 10 executes Step P17.

  In Step P17, the CPU 10 adds the registration amount in the horizontal direction between the front and back sides to the registration amount in the horizontal direction between the colors on the back side to calculate the registration amount in the left and right direction for each color on the back side, and stores it in the memory M27. To do. After completing the process in Step P17, the CPU 10 executes Step P18.

  In step P18, the CPU 10 calculates the correction amount of the top / bottom direction registration adjustment device for each surface color from the top / bottom registration amount of each surface color, and stores it in the memory M28. The correction amount of the top / bottom direction registration adjustment device is obtained from the relationship between the top / bottom direction registration shift amount obtained in step P10 and the driving amount of the top / bottom direction registration adjustment device motor and the top / bottom direction movement amount. After completing the process in Step P18, the CPU 10 executes Step P19.

  In Step P19, the CPU 10 calculates the correction amount of the horizontal registration adjustment device for each color on the surface from the registration amount in the horizontal direction for each color on the surface, and stores it in the memory M29. The correction amount of the left-right direction registration adjusting device is obtained from the relationship between the left-right direction registration amount obtained in step P11 and the drive amount of the motor of the left-right direction registration adjusting device and the left-right direction movement amount. After completing the process in Step P19, the CPU 10 executes Step P20.

  In Step P20, the CPU 10 calculates the correction amount of the vertical direction registration adjustment device for each color on the back surface from the registration amount in the vertical direction for each color on the back surface, and stores it in the memory M30. After completing the process in Step P20, the CPU 10 executes Step P21.

  In step P21, the CPU 10 calculates the correction amount of the horizontal registration adjustment device for each color on the back surface from the registration amount in the horizontal direction for each color on the back surface, and stores it in the memory M31. After completing the process in Step P21, the CPU 10 executes Step P22.

  In step P22, the CPU 10 outputs each correction amount to the motor driver of the top / bottom direction registration adjustment device for each color of the surface. After completing the process in Step P22, the CPU 10 executes Step P23.

In step P23, the CPU 10 outputs each correction amount to the motor driver of the top / bottom direction registration adjustment device for each color on the back surface. In this way, the position of the pattern printed by each printing unit is adjusted by driving the motor of the top / bottom direction registration adjustment device for each color of the front and back surfaces. After completing the process in step P23, the CPU 10 ends the series of processes and repeats the operation flow until a control end command is input.
The above is the processing procedure in the registration apparatus and the registration method of the printing press according to the present embodiment.

  As described above, according to the printing press registration apparatus and the printing press registration method according to the present invention, the laser point 6 is provided within the imaging range of the front camera 31 and the rear camera 32, and the laser point 6 The registration mark 1 on the front or back side is imaged at once, and the registration amount between the front and back is accurately calculated by calculating the amount of registration between the front and back from the position of the laser point 6 and the position of each registration mark 1. Can do.

  The present invention can be used for registration between front and back surfaces of a printing press.

1 register mark, 2 black register mark, 3 cyan register mark, 4 magenta register mark, 5 yellow register mark, 6 laser points, 10 CPU, 11 ROM, 12 RAM, 20, 30, 40, 50 I / O Equipment (I / O), 21 counter for imaging timing detection, 22 rotary encoder for rotary phase detection of printing press, 31 front camera, 32 back camera, 33 front lighting, 34 back lighting, 35 laser point device, 41 input device, 42 display device, 43 CRT, 44 recording device (FD, HDD), 51 first color register adjusting device, 52 front side first color register adjusting device, 53 back side first color register adjusting device, 54 Front-side first color vertical direction motor driver for registration adjustment device, 55 First-color vertical direction Motor for register adjustment device, motor driver for first color left and right direction registration adjustment device on front side, 57 motor for first color left and right direction registration adjustment device on front side, 58 motor driver for first color top and bottom direction registration adjustment device on back side, 59 Motor for the first color vertical direction registration adjustment device on the back side, 60 Motor driver for the first color left and right direction registration adjustment device on the back side, 61 Motor for the first color left and right direction registration adjustment device on the back side, 62 Second color registration adjustment device 63, the third color register adjusting device, 64, the fourth color register adjusting device

Claims (10)

In a printing machine comprising a first printing unit that prints a pattern on the front surface of a printing paper and a second printing unit that prints a pattern on the back side of the printing paper, the first printed by the first printing unit First image pickup means for picking up an image of a registration mark, second image pickup means for picking up an image of the second register mark printed by the second printing unit, and the position and image pickup of the imaged first register mark A register of a printing press comprising: an adjustment means for aligning the position of the pattern printed by the first printing unit and the position of the pattern printed by the second printing unit from the position of the second registration mark In the alignment device
A laser irradiation device is provided on one of the front surface and the back surface of the printing paper,
The laser irradiation device is configured so that the laser beam from the laser irradiation device irradiates within the imaging range of the first imaging means and the second imaging means;
The first imaging means simultaneously images the first registration mark and the laser beam from the laser irradiation device,
The second imaging means simultaneously images the second registration mark and the laser beam from the laser irradiation device;
The adjusting means includes the first printing unit based on the position of the imaged first register mark, the imaged position of the second register mark, and the imaged position of the laser beam from the laser irradiation apparatus. A registration apparatus for a printing press, wherein the position of the pattern printed in step 1 is aligned with the position of the pattern printed in the second printing unit. The printing machine is a printing machine further comprising a third printing unit that prints a pattern on the surface of printing paper,
The first imaging unit or the second imaging unit images a third register mark printed by the third printing unit,
The adjusting means determines the position of the pattern printed by the first printing unit and the third position based on the position of the imaged third registration mark and the imaged position of the laser beam from the laser irradiation apparatus. The registration apparatus for a printing press according to claim 1, wherein the position of the pattern printed by the printing unit is matched. The printing machine is a printing machine further comprising a fourth printing unit that prints a pattern on the back surface of the printing paper,
The first imaging unit or the second imaging unit images a fourth registration mark printed by the fourth printing unit,
The adjusting means determines the position of the pattern printed by the second printing unit and the fourth position based on the position of the captured fourth registration mark and the position of the captured laser beam from the laser irradiation apparatus. The registration apparatus for a printing press according to claim 1, wherein the position of the pattern printed by the printing unit is matched. The registration device for a printing press according to claim 1, wherein the registration is registration in a horizontal direction. The registration apparatus for a printing press according to claim 1, wherein the registration is alignment in a vertical direction. In a printing machine comprising a first printing unit that prints a pattern on the front surface of a printing paper and a second printing unit that prints a pattern on the back side of the printing paper, the first printed by the first printing unit First image pickup means for picking up an image of a registration mark, second image pickup means for picking up an image of the second register mark printed by the second printing unit, and the position and image pickup of the imaged first register mark A register of a printing press comprising: an adjustment means for aligning the position of the pattern printed by the first printing unit and the position of the pattern printed by the second printing unit from the position of the second registration mark In the alignment device
Using a laser irradiation device on one of the front or back surface of the printing paper, the laser light from the laser irradiation device irradiates within the imaging range of the first imaging means and the second imaging means,
The first imaging means simultaneously images the first registration mark and the laser beam from the laser irradiation device,
The second imaging means simultaneously images the second registration mark and the laser beam from the laser irradiation device,
The image printed by the first printing unit based on the position of the first registration mark that has been imaged, the position of the second registration mark that has been imaged, and the position of the laser beam that has been imaged. And a position of the pattern printed by the second printing unit. The printing machine is a printing machine further comprising a third printing unit that prints a pattern on the surface of printing paper,
Image a third register mark printed by the third printing unit;
From the position of the third registration mark imaged and the position of the imaged laser beam from the laser irradiation device, the position of the pattern printed by the first printing unit and the third printing unit are printed. The method of registering a printing press according to claim 6, wherein the positions of the printed patterns are matched. The printing machine is a printing machine further comprising a fourth printing unit that prints a pattern on the back surface of the printing paper,
Imaging a fourth register mark printed by the fourth printing unit;
Based on the position of the imaged fourth registration mark and the imaged position of the laser beam from the laser irradiation device, the position of the pattern printed by the second printing unit and the image printed by the fourth printing unit are printed. The method of registering a printing press according to claim 6, wherein the positions of the printed patterns are matched. The printing machine registration method according to claim 6, wherein the registration is registration in a horizontal direction. The registration method for a printing press according to claim 6, wherein the registration is vertical alignment.

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