JP2016060069A - Contact pressure adjusting method and device for wiping roller of intaglio printer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method and a device for adjusting the contact pressure of a wiping roller on an intaglio cylinder thereby to eliminate the burden excess of an operator, the much production of a defective printed matter and the spare of the printing material.SOLUTION: When a wiping roller 27 is replaced by new roller, the position of a wiping roller before worn is stored at steps S44 and S75. When the wiping roller 27 is replaced again by a new roller, the wiping roller 27 is automatically moved to the stored position of the wiping roller 27 before worn, at steps S23 to S32 and S56 to S65.SELECTED DRAWING: Figure 1D

Description

  The present invention relates to a method and an apparatus for adjusting a contact pressure of a wiping roller of an intaglio printing press. More specifically, the present invention relates to a method and apparatus for adjusting the contact pressure (hereinafter referred to as nip pressure) of a wiping roller with respect to an intaglio cylinder.

Conventionally, in a wiping device of an intaglio printing press, the wiping roller is pressed against and contacted with the intaglio cylinder, and further reversely rotated at the contact portion to wipe off excess ink from the intaglio cylinder. The rubber on the surface gradually wears out.
For this reason, the operator always keeps the normal printed matter by making the position of the axis of the wiping roller closer to the axis of the intaglio cylinder and keeping the contact pressure between the intaglio cylinder and the wiping roller properly by the amount of wear. Adjust so that can print.

Therefore, the greater the wear, in other words, the closer the axis of the wiping roller is to the axis of the intaglio cylinder as time passes.
When the wiping roller is worn out and the ink cannot be wiped off normally, the wiping roller is replaced with a new wiping roller.

At that time, since the axis of the wiping roller is close to the axis of the intaglio cylinder by the amount of wear, if printing is started as it is, the wear on the surface of the wiping roller will become abnormally large and the wiping roller will The service life may be shortened, or the ink on the intaglio cylinder may be wiped off and normal printed matter may not be printed.
Therefore, the operator has to manually adjust the nip pressure between the intaglio cylinder and the wiping roller while looking at the printed matter printed on the trial print or the main print. Therefore, there is a first problem that a large amount of defective printed matter is generated and printing materials are wasted.

Conventionally, in a wiping device of an intaglio printing press, the wiping roller is thermally expanded by heat generated by the rotation of the printing press, the nip pressure between the intaglio cylinder and the wiping roller is increased, and the surface of the wiping roller is worn. It becomes abnormally large and shortens the life of the wiping roller, or the ink on the intaglio cylinder is wiped off excessively and normal printed matter cannot be printed.
Therefore, the operator first manually adjusts the nip pressure between the intaglio cylinder and the wiping roller while observing the printed matter printed on the trial print at the printing preparation stage, which rotates at low speed, and then increases the printing speed to print. The nip pressure must be manually adjusted again while observing the state of the printed material printed in the final printing after the machine has generated heat, which is burdensome for the operator and manually adjusted from scratch. There is a second problem that a large amount of defective printed matter is generated and printing materials are wasted.

Therefore, as in Patent Document 1 (Japanese Patent Laid-Open No. 2011-251504), a load (current value flowing through the motor) applied to the wiping roller driving motor that drives the wiping roller is measured, and the value becomes a reference value. A control method has been devised.
However, since the control in Patent Document 1 is complicated and it takes time, labor, and price to be incorporated into a machine, the operator still frequently performs manual adjustment as usual.

JP 2011-251504 A

  The present invention memorizes the position of the wiping roller when the operator manually adjusts when the wiping roller is replaced with a new roller. When the wiping roller is replaced with a new roller again, the wiping roller is replaced with the new roller. An object of the present invention is to solve the first problem by automatically moving the wiping roller to the position stored at the time of replacement.

  Further, the present invention stores the position of the wiping roller at low speed manually adjusted by the operator at the start of printing when the new roller is replaced, and at the printing speed manually adjusted at the end of printing (at high speed). The wiping roller position is automatically memorized, and when printing after replacing the next new roller, the wiping roller is automatically moved to the memorized low speed wiping roller position before starting printing. An object of the present invention is to solve the second problem by automatically moving the wiping roller to the position of the wiping roller at a high speed when the standby time from the start of printing to the start of thermal expansion has elapsed. To do.

  In addition, the wiping roller position at low speed is automatically stored at the timing when the rotation speed of the printing press becomes high at the start of printing, and at the high speed when the printing press stops at the end of printing. The position of the wiping roller is automatically stored so that the timing stored by the operator need not be manually operated.

A method for adjusting the contact pressure of a wiping roller of an intaglio printing press according to claim 1 of the present invention that solves the above-described problem is an intaglio cylinder, a wiping roller that wipes off excess ink from the intaglio cylinder, and the intaglio cylinder A wiping roller for an intaglio printing press comprising: a contact pressure adjusting mechanism for adjusting the contact pressure of the wiping roller; and a contact pressure adjusting motor for driving the contact pressure adjusting mechanism to move the wiping roller. In the contact pressure adjustment method, the position of the wiping roller after the wiping roller is replaced with a new roller is stored, the wiping roller is replaced with a new roller, and then the wiping roller is moved to the wiping roller. After the roller is replaced with a new roller, the roller is moved to the stored position of the wiping roller.
The method for adjusting the contact pressure of the wiping roller of the intaglio printing press according to claim 2 of the present invention for solving the above-mentioned problem is the method of adjusting the contact pressure of the wiping roller of the intaglio printing press according to claim 1, wherein the wiping roller After the replacement of the wiping roller and before the start of actual printing, the adjusted position of the wiping roller at the low speed is memorized, and after the wiping roller is replaced with the new roller, the adjusted printing is performed after the end of printing. The position of the wiping roller at the time of speed is memorized, the wiping roller is replaced with a new roller, the contact pressure adjusting motor is controlled, and the wiping roller is moved to the wiping before the start of printing.・ After replacing the roller with a new roller, move it to the position stored before the start of the main print, and at the start of the main print, the wiping roller And wherein the moving the serial wiping roller on the stored position to the print end after after replacing the new roller.

The method for adjusting the contact pressure of the wiping roller of the intaglio printing press according to claim 3 of the present invention for solving the above-mentioned problem is the method of adjusting the contact pressure of the wiping roller of the intaglio printing press according to claim 2, wherein the wiping roller After the printer is replaced with a new roller and before the start of printing, this includes the time when the rotational speed of the printing machine becomes high. After the wiping roller is replaced with a new roller, the printing machine stops printing after the printing is completed. Before the start of printing after the replacement of the wiping roller with a new roller, including the time when the wiping roller is attached to the intaglio cylinder, and after the replacement of the wiping roller with a new roller, After the start of printing, it includes a time when the rotational speed of the printing press becomes high.
The method for adjusting the contact pressure of the wiping roller of the intaglio printing press according to claim 4 of the present invention for solving the above-mentioned problem is the method of adjusting the contact pressure of the wiping roller of the intaglio printing press according to claim 3, wherein the wiping roller After the replacement of the roller with a new roller, the time after the start of the main printing includes the time when a predetermined time has elapsed since the rotation speed of the printing press became high.

A contact pressure adjusting device for a wiping roller of an intaglio printing press according to a fifth aspect of the present invention that solves the above-mentioned problems is an intaglio cylinder, a wiping roller that wipes off excess ink from the intaglio cylinder, and the intaglio cylinder A wiping roller for an intaglio printing press comprising: a contact pressure adjusting mechanism for adjusting the contact pressure of the wiping roller; and a contact pressure adjusting motor for driving the contact pressure adjusting mechanism to move the wiping roller. In the contact pressure adjusting device, the contact pressure adjusting device stores the position of the wiping roller after the wiping roller is replaced with a new roller, and after the wiping roller is replaced with a new roller again, the wiping roller The roller is moved to the stored position of the wiping roller after the wiping roller is replaced with a new roller To.
A contact pressure adjusting device for a wiping roller of an intaglio printing press according to claim 6 of the present invention that solves the above-mentioned problems is the contact pressure adjusting device for a wiping roller of an intaglio printing press according to claim 5, wherein the wiping roller After the replacement of the wiping roller and before the start of actual printing, the adjusted position of the wiping roller at the low speed is memorized, and after the wiping roller is replaced with the new roller, the adjusted printing is performed after the end of printing. The position of the wiping roller at the time of speed is memorized, the wiping roller is replaced with a new roller, the contact pressure adjusting motor is controlled, and the wiping roller is moved to the wiping before the start of printing.・ After replacing the roller with a new roller, move it to the position stored before the start of the main print, and after the start of the main print, move the wiping roller Wherein the moving the position stored in the print end after after replacing the wiping roller to the new roller.

A contact pressure adjusting device for a wiping roller of an intaglio printing press according to claim 7 of the present invention for solving the above-mentioned problem is provided. The contact pressure adjusting device for a wiping roller of an intaglio printing press according to claim 6, wherein the wiping roller After the printer is replaced with a new roller and before the start of printing, this includes the time when the rotational speed of the printing machine becomes high. After the wiping roller is replaced with a new roller, the printing machine stops printing after the printing is completed. Before the start of printing after the replacement of the wiping roller with a new roller, including the time when the wiping roller is attached to the intaglio cylinder, and after the replacement of the wiping roller with a new roller, After the start of printing, it includes a time when the rotational speed of the printing press becomes high.
A contact pressure adjusting device for a wiping roller of an intaglio printing press according to claim 8 of the present invention that solves the above-mentioned problems is the contact pressure adjusting device for a wiping roller of an intaglio printing press according to claim 7, wherein the wiping roller After the replacement of the roller with a new roller, the time after the start of the main printing includes the time when a predetermined time has elapsed since the rotation speed of the printing press became high.

  The present invention memorizes the position of the wiping roller when the operator manually adjusts when the wiping roller is replaced with a new roller. When the wiping roller is replaced with a new roller again, the wiping roller is replaced with the new roller. The wiping roller is automatically moved to the position stored at the time of replacement to solve the first problem of excessive burden on the operator, a large amount of defective printed matter, and waste of printing materials.

  Further, the present invention stores the position of the wiping roller at low speed manually adjusted by the operator at the start of printing when the new roller is replaced, and at the printing speed manually adjusted at the end of printing (at high speed). The wiping roller position is automatically memorized, and when printing after replacing the next new roller, the wiping roller is automatically moved to the memorized low speed wiping roller position before starting printing. When the waiting time from the start of printing until thermal expansion starts, the wiping roller is automatically moved to the position of the wiping roller stored at high speed, causing excessive burden on the operator, generating a large amount of defective printed matter, The second problem of waste of printing materials was solved.

  In addition, the wiping roller position at low speed is automatically stored at the timing when the rotation speed of the printing press becomes high at the start of printing, and at the high speed when the printing press stops at the end of printing. The position of the wiping roller is automatically memorized, so that it is not necessary to manually operate the timing memorized by the operator.

It is an operation | movement flowchart of the nip pressure adjustment apparatus mainly of the intaglio printing press in one Example of this invention. It is an operation | movement flowchart of the nip pressure adjustment apparatus mainly of the intaglio printing press in one Example of this invention. It is an operation | movement flowchart of the nip pressure adjustment apparatus mainly of the intaglio printing press in one Example of this invention. It is an operation | movement flowchart of the nip pressure adjustment apparatus mainly of the intaglio printing press in one Example of this invention. It is an operation | movement flowchart of the nip pressure adjustment apparatus mainly of the intaglio printing press in one Example of this invention. It is an operation | movement flowchart of the nip pressure adjustment apparatus mainly of the intaglio printing press in one Example of this invention. It is an operation | movement flowchart of the nip pressure adjustment apparatus mainly of the intaglio printing press in one Example of this invention. It is an operation | movement flowchart of the nip pressure adjustment apparatus mainly of the intaglio printing press in one Example of this invention. It is an operation | movement flowchart of the nip pressure adjustment apparatus mainly of the intaglio printing press in one Example of this invention. It is an operation | movement flowchart of the nip pressure adjustment apparatus mainly of the intaglio printing press in one Example of this invention. It is an operation | movement flowchart of the nip pressure adjustment apparatus mainly of the intaglio printing press in one Example of this invention. It is an operation | movement flowchart of the nip pressure adjustment apparatus mainly of the intaglio printing press in one Example of this invention. It is an operation | movement flowchart of the nip pressure adjustment apparatus mainly of the intaglio printing press in one Example of this invention. It is an operation | movement flowchart of the nip pressure adjustment apparatus mainly of the intaglio printing press in one Example of this invention. It is an operation | movement flowchart of the nip pressure adjustment apparatus mainly of the intaglio printing press in one Example of this invention. It is an operation | movement flowchart of the nip pressure adjustment apparatus mainly of the intaglio printing press in one Example of this invention. It is a hardware block diagram of the nip pressure adjusting device mainly of the intaglio printing press in one embodiment of the present invention. It is a hardware block diagram of the nip pressure adjusting device mainly of the intaglio printing press in one embodiment of the present invention. It is a timing chart of a nip pressure position and printing speed. It is a side view of the nip pressure adjusting device of a wiping apparatus. 1 is an overall side view of an intaglio printing press.

  Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings.

  1A to 1D, 2A to 2D, 3A to 3D, and 4A to 4D are operation flowcharts of a nip pressure adjusting device of an intaglio printing press according to an embodiment of the present invention, FIGS. 5A and 5B. Is a hardware block diagram of a nip pressure adjusting device of an intaglio printing press according to an embodiment of the present invention, FIG. 6 is a timing chart of a nip pressure position and a printing speed, and FIG. 7 is a side view of the nip pressure adjusting device of the wiping device. FIG. 8 is an overall side view of the intaglio printing press.

  As shown in FIG. 8, an intaglio printing press as a final printing machine for a plurality of printing processes for printing numbers and seals as well as normal pictures generally includes a paper feeding device 10, a printing device 20, and a paper delivery device 30. Composed. The paper feeder 10 on which the paper (sheet-like material) W is stacked is connected to a difference plate 11 that receives the paper W sent from the upper layer one by one by the sucker mechanism of the paper feeder 10 and aligns the printing register. ing.

A swing device 12 that swings in addition to the paper W on the difference plate 11 is disposed at the tip of the difference plate 11 of the intaglio printing press. In the printing apparatus 20, a so-called triple cylinder impression cylinder 21 in which three gripping nails are arranged at equal intervals along the circumferential direction and three rubber blankets can be attached to the swing apparatus 12. Communication is made via the barrel 22.
The transfer cylinder 22 is provided with a gripping claw similar to the gripping claw of the impression cylinder 21 so that the paper W replaced by the swing device 12 can be replaced by the gripping claw of the impression cylinder 21. It has become.
The impression cylinder 21 is in contact with a so-called triple cylinder intaglio cylinder 23 on which three intaglio plates can be attached along the circumferential direction.

The intaglio plate 23 is in contact with a so-called quadruple collect cylinder (ink collecting cylinder) 24 on which four rubber blankets can be attached along the circumferential direction. The collect cylinder 24 has five so-called single cylinder chablon cylinders 25 in contact with each other in the circumferential direction, each having a circumferential surface length corresponding to the length of the blanket of the impression cylinder 21 and the intaglio of the intaglio cylinder 23.
Each of these chablon cylinders 25 is in contact with an inking device 26 for supplying ink. The ink devices 26 are filled with inks of different colors. A wiping roller 27 is in contact with the intaglio of the intaglio cylinder 23. The wiping roller 27 is immersed in a wiping tank 28 that stores a cleaning liquid.

  In the paper discharge device 30, a paper discharge drum 31 is in contact with the pressure drum 21. A paper discharge chain 33 is wound endlessly between a pair of sprockets (not shown) provided coaxially with the paper discharge drum 31 and a pair of sprockets 32 arranged at the rearmost portion of the paper discharge device 30. It has been turned. The paper discharge chain 33 is provided with a paper discharge claw (not shown). A plurality of paper discharge trays 34 are provided on the downstream side of the paper discharge chain 33 in the traveling direction. Accordingly, when the paper W is sent out from the paper feeder 10 onto the differential plate 11 one by one, the paper W is transferred to the transfer cylinder 22 by the swing device 12, and the gripping claw of the transfer cylinder 22 passes through the gripping claw of the impression cylinder 21. It is transferred to the impression cylinder 21 after being replaced with a claw.

  On the other hand, the ink of each inking device 26 is transferred to the collect cylinder 24 through the chablon cylinder 25 and supplied onto the intaglio surface of the intaglio cylinder 23, and the excess ink is removed by the wiping roller 27. When contacting the impression cylinder 21, the ink is transferred to the paper W held on the impression cylinder 21 and printed. The excess ink removed by the wiping roller 27 is washed and removed from the wiping roller 27 by the wiping liquid in the wiping tank 28.

  As shown in FIG. 7, the wiping device 40 has a wiping roller 27 pivotally supported by an inner hole of an eccentric bearing 41, and reciprocates a metal fitting 42 fixed to the outer peripheral side of the eccentric bearing 41. A roller 27 is attached to and detached from the intaglio cylinder 23.

  That is, the tip of the piston rod of the wiping roller attaching / detaching hydraulic cylinder 43 is pivotally attached to the metal fitting 42 by the pin 44, and the screw shaft 46 is connected to the head side via the thrust bearing 45. The thrust bearing 45 transmits the movement of the screw shaft 46 along the axial direction to the wiping / roller attaching / detaching hydraulic cylinder 43, but does not transmit the rotation of the screw shaft 46 to the wiping / roller attaching / detaching hydraulic cylinder 43. The screw shaft 46 is screwed into a screw bearing 48 fixed to the washing wiping tank 28.

  A wiping roller nip pressure adjusting motor 50 is fixed to a bracket 49 incorporating a thrust bearing 45. A gear 52 fixed to the motor shaft 51 of the motor 50 for adjusting the nip pressure of the wiping roller meshes with a gear 53 fixed to the screw shaft 46. On the other hand, the wiping / roller attaching / detaching hydraulic cylinder 43 is provided with a detecting body 54, and a direct acting potentiometer 55 is provided to detect the position of the detecting body 54.

  Accordingly, the wiping roller 27 comes into contact with the intaglio cylinder 23 when the wiping roller attaching / detaching hydraulic cylinder 43 is extended, and the wiping roller 27 is separated from the intaglio cylinder 23 when contracted. When the wiping roller nip pressure adjusting motor 50 is rotated while the wiping roller 27 and the intaglio cylinder 23 are in contact with each other, the screw shaft 46 is rotated and moved in the axial direction. The roller attaching / detaching hydraulic cylinder 43 also moves, and the contact pressure (nip pressure) of the wiping roller 27 with respect to the intaglio cylinder 23 can be adjusted.

That is, the nip pressure adjusting device 60 includes a wiping / roller attaching / detaching hydraulic cylinder 43, a screw shaft 46, a nip pressure adjusting motor 50, and the like, and further includes hardware shown in FIGS. 5A and 5B as described later. ing.
Here, the position of the wiping roller 27 with respect to the intaglio cylinder 23 for adjusting the nip pressure (hereinafter referred to as the nip pressure position) is a rotary encoder for the motor for adjusting the nip pressure of the wiping roller as shown in FIG. The current position detecting counter 74 of the wiping roller built in the motor 50 for adjusting the nip pressure is detected by 75.
7 shows the left side (operating side) of the wiping roller 27, the apparatus having the same configuration as described above is also assembled on the right side (driving side) of the wiping roller 27.

  As shown in FIGS. 5A and 5B, the nip pressure adjusting device 60 of the intaglio printing press includes, in addition to the CPU 100, the ROM 101, and the RAM 102, input / output devices (I / O) 103 to 112, and an internal clock counter 76 that are BUS. (Bus) is connected.

  The BUS includes an initial value storage memory M100 for the nip pressure position of the wiping roller at low speed, a memory M101 for storing the nip pressure position of the wiping roller at low speed, and an initial value of the nip pressure position of the wiping roller at high speed. Memory for storing value M102, memory for storing nip pressure position of wiping roller at high speed M103, memory for storing low speed rotational speed M104, memory for counting value of counter for detecting current position of wiping roller M105, printing rotational speed ( High-speed rotation speed) Memory M106, standby time memory M107, internal clock counter count value memory M108, new roller low speed wiping roller nip pressure position initial value memory M109, new Memo for storing nip pressure position of wiping roller at low speed of roller M110, a memory M111 for initial value storage of the nip pressure position of the wiping roller at the high speed of the new roller, a memory M112 for storing the nip pressure position of the wiping roller at the high speed of the new roller, and a memory M113 for storing the new roller flag It is connected.

  Further, the input / output device 103 includes a print preparation switch 61, a main print start switch 62, a print end switch 63, an up button 64, a down button 65, an input device 66, a display 67, a floppy (registered trademark) disk. An output device 68 such as a drive and a printer and a new roller switch 77 are connected.

  Further, a driving motor 71 of the printing press is connected to the input / output device 104 via a D / A converter 69 and a driving motor driver 70 of the printing press. Further, a rotary encoder 72 for a driving motor that is connected to the driving motor 71 is connected to the driving motor driver 70.

  Further, a wiping roller nip pressure adjusting motor 50 is connected to the input / output device 111 via a wiping roller nip pressure adjusting motor driver 73, and a forward rotation command or a reverse rotation command is sent to the motor driver 73. Is output. The rotary encoder 75 for the nip pressure adjusting motor of the wiping roller connected to the nip pressure adjusting motor 50 is connected to the current position detecting counter 74 of the wiping roller.

  Further, the input / output device 105 includes an ink device attaching / detaching device 81, the input / output device 106 includes a chablon cylinder attaching / detaching device 82, the input / output device 107 includes a collect cylinder attaching / detaching device 83, and the input / output device 108 includes a wiping roller. The attachment / detachment device 84 is connected to the input / output device 109, the barrel attachment / detachment device 85 is connected to the input / output device 110, and the sheet feeding device 10 is connected to the input / output device 110.

  Hereinafter, the operation of the nip pressure adjusting device 60 for the wiping roller described above will be described along the operation flow shown in FIGS. 1A to 1D, 2A to 2D, 3A to 3D, and 4A to 4D. To do.

  That is, in step S1, the initial value of the nip pressure position of the wiping roller at the low speed of the new roller is read from the initial value storage memory M109 of the wiping roller at the low speed of the new roller as the count value of the counter. Overwriting the nip pressure position storage memory M110 of the wiping roller at the low speed of the new roller.

  Next, in step S2, the initial value of the nip pressure position of the wiping roller at the high speed of the new roller is read from the memory M111 for storing the initial value of the nip pressure position of the wiping roller as the count value of the counter. Overwriting the nip pressure position storage memory M112 of the wiping roller at the high speed of the new roller.

  Next, in step S3, the initial value of the nip pressure position of the wiping roller at the low speed is read from the memory M100 for initial value of the nip pressure position of the wiping roller at the low speed as the count value of the counter at the low speed. Is overwritten in the memory M101 for storing the nip pressure position of the wiping roller.

  Next, in step S4, the initial value of the nip pressure position of the wiping roller at the high speed is read from the memory M102 for initial value of the nip pressure position of the wiping roller at the high speed as the count value of the counter. The wiping roller nip pressure position storage memory M103 is overwritten.

  Next, in step S5, it is determined whether or not the new roller switch 77 is ON. If NO (NO), the process proceeds to step S10. If YES (YES), the new roller flag is determined in step S6. The new roller flag is read from the storage memory M113. The new roller switch 77 is turned on by the operator when the wiping roller 27 is replaced with a new roller, and is turned off otherwise.

  Next, in step S7, it is determined whether or not the new roller flag = 0. If yes, the new roller flag storage memory M113 is overwritten with 1 in step S8, and if not, step S9. Then, 0 is overwritten in the new roller flag storage memory M113. When the new roller flag is 1, it means that the wiping roller 27 has been replaced with a new roller. When the new roller flag is 0, the wiping roller 27 has not been replaced with a new roller. , Means that the old roller remains.

  In step S10, it is determined whether the print preparation switch 61 is ON. If NO, the process returns to step S5. If YES, the new roller / flag storage memory M113 stores a new roller in step S11.・ Read the flag.

  Next, in step S12, it is determined whether or not the new roller flag = 1. If not, that is, if the wiping roller 27 is an old roller, the process proceeds to step P4. When the wiping roller 27 is a new roller, the process proceeds to step S13.

  Next, in step S13, the low-speed rotation speed is read from the low-speed rotation speed storage memory M104, and in step S14, the low-speed rotation speed is output to the driving motor driver 70 of the printing press via the D / A converter 69. The driving motor driver 70 controls the driving motor 71 of the printing press so that the rotation speed is low.

  Next, in step S15, a landing command to the intaglio cylinder 23 is output to the collect cylinder attaching / detaching device 83. The collect cylinder attaching / detaching device 83 makes the collect cylinder 24 contact the intaglio cylinder 23 based on the wearing instruction, that is, put it on.

  Next, in step S16, a wearing command to the collect cylinder 24 is output to the chablon cylinder attaching / detaching device 82. The chablon cylinder attaching / detaching device 82 contacts, that is, wears the chablon cylinder 25 to the collect cylinder 24 based on the wearing instruction.

  Next, in step S17, a command for attaching the chablon cylinder 25 is output to the inking device attaching / detaching device 81. The inking device attaching / detaching device 81 contacts the inking device 26 with the chablon cylinder 25 based on the wearing command, that is, puts it on.

  Next, in step S18, a command to attach the intaglio cylinder 23 is output to the wiping / roller attaching / detaching device 84. The wiping roller attaching / detaching hydraulic cylinder 43, which is the wiping roller attaching / detaching device 84, extends based on the attachment command and contacts the intaglio cylinder 23 with the wiping roller 27, that is, attaches.

  Next, in step S19, the nip pressure position of the wiping roller at the low speed of the new roller is read from the memory M110 for storing the nip pressure of the wiping roller at the low speed of the new roller.

  Next, in step S20, the count value is read from the wiping roller current position detection counter 74 and stored in the count value storage memory M105 of the wiping roller current position detection counter.

  Next, in step S21, it is determined whether or not the nip pressure position of the wiping roller at the low speed of the new roller = the count value of the current position detection counter of the wiping roller. If yes, the process proceeds to step S33. If not, it is determined in step S22 whether the nip pressure position of the wiping roller at the low speed of the new roller> the count value of the current position detection counter of the wiping roller.

  If yes in step S22, a normal rotation command is output to the motor driver 73 for adjusting the nip pressure of the wiping roller in step S23. The nip pressure adjusting motor driver 73 rotates the wiping roller nip pressure adjusting motor 50 based on the forward rotation command to bring the wiping roller 27 closer to the intaglio cylinder 23, that is, the nip pressure. Move in the direction of increasing position.

  Next, in step S24, the nip pressure position of the wiping roller at the low speed of the new roller is read from the memory M110 for storing the nip pressure of the wiping roller at the low speed of the new roller.

  Next, in step S25, the count value is read from the wiping roller current position detection counter 74 and stored in the count value storage memory M105 of the wiping roller current position detection counter.

  Next, in step S26, it is determined whether or not the nip pressure position of the wiping roller at the low speed of the new roller = the count value of the current position detection counter of the wiping roller. If not, the process returns to step S24. If yes, a stop command is output to the motor driver 73 for adjusting the nip pressure of the wiping roller in step S27, and the process proceeds to step S33. The nip pressure adjusting motor driver 73 stops the wiping roller nip pressure adjusting motor 50 based on the stop command.

  On the other hand, if NO in step S22, a reverse rotation command is output to the motor driver 73 for adjusting the nip pressure of the wiping roller in step S28. The nip pressure adjusting motor driver 73 rotates the wiping roller nip pressure adjusting motor 50 on the basis of the reverse rotation command to move the wiping roller 27 away from the intaglio cylinder 23, that is, the nip pressure position. Move in the direction of decreasing.

  Next, in step S29, the nip pressure position of the wiping roller at the low speed of the new roller is read from the memory M110 for storing the nip pressure position of the wiping roller at the low speed of the new roller.

  Next, in step S30, the count value is read from the wiping roller current position detection counter 74 and stored in the count value storage memory M105 of the wiping roller current position detection counter.

  Next, in step S31, it is determined whether or not the nip pressure position of the wiping roller at the low speed of the new roller = the count value of the current position detection counter of the wiping roller. If not, the process returns to step S29. If yes, a stop command is output to the motor driver 73 for adjusting the nip pressure of the wiping roller in step S32, and the process proceeds to step S33.

  In step S33, a paper feed command is output to the paper feeder 10. The paper feeding device 10 sends the paper W to the printing device 20 based on a paper feeding command.

  Next, a cylinder insertion command is output to the cylinder attaching / detaching device 85 in step S34. The cylinder attaching / detaching device 85 cylinders the intaglio cylinder 23 with respect to the impression cylinder 21 based on the cylinder insertion instruction.

  Next, in step S35, it is determined whether or not the up button 64 is ON. If not, the process proceeds to step S37. If yes, the motor driver for adjusting the nip pressure of the wiping roller is determined in step S36. A forward rotation command is output to 73. The up button 64 is operated when the operator determines that the nip pressure between the intaglio cylinder and the wiping roller should be increased while observing the printed matter printed in the trial printing in the printing preparation stage.

  Next, in step S37, it is determined whether the up button 64 is OFF. If NO, the process proceeds to step S39. If YES, the nip pressure adjusting motor driver for the wiping roller is determined in step S38. In 73, a stop command is output.

  Next, in step S39, it is determined whether or not the down button 65 is ON. If not, the process proceeds to step S41. If yes, the motor driver for adjusting the nip pressure of the wiping roller is determined in step S40. 73 outputs a reverse rotation command. The down button 65 is operated when the operator determines that the nip pressure between the intaglio cylinder and the wiping roller should be reduced while looking at the printed matter printed in the trial printing in the printing preparation stage.

  Next, in step S41, it is determined whether the down button 65 is OFF. If NO, the process proceeds to step S43. If YES, the nip pressure adjusting motor driver for the wiping roller is determined in step S42. In 73, a stop command is output.

  Next, in step S43, it is determined whether the main print start switch 62 is ON. If NO, the process returns to step S35. If YES, the current position detection counter 74 for the wiping roller is determined in step S44. The count value is read and overwritten in the nip pressure position storage memory M110 of the wiping roller at the low speed of the new roller.

  Thus, the count value overwritten in the memory M110 is the position of the wiping roller 27 with respect to the intaglio cylinder 23 detected by the current position detection counter 74 before the wiping roller 27 at low speed is worn (nip pressure position). It is. Therefore, after the wiping roller 27 is replaced with a new roll again, the nip pressure position of the wiping roller 27 at the low speed can be quickly adjusted based on the count value overwritten in the memory M110.

  Next, in step S45, the printing rotational speed (high-speed rotational speed) is read from the printing rotational speed (high-speed rotational speed) storage memory M106, and in step S46, the D / A converter 69 is connected to the driving motor driver 70 of the printing press. Print rotation speed (high-speed rotation speed). The driving motor driver 70 controls the driving motor 71 of the printing press so as to achieve a printing rotation speed (high rotation speed).

  Next, in step S47, an enable signal and a reset signal are output to the internal clock counter 76. Next, in step S48, output of the reset signal to the internal clock counter 76 is stopped. The internal clock counter 76 starts counting time when the reset signal output is stopped.

  In step S49, the standby time is read from the standby time storage memory M107. In step S50, the count value is read from the internal clock counter 76 and stored in the count value storage memory M108 of the internal clock counter.

  Next, in step S51, it is determined whether or not the count value of the internal clock counter 76 is equal to the standby time. If NO, the process returns to step S49. If YES, the new roller is wiped at high speed in step S52. -The nip pressure position of the new roller is read from the memory M112 for storing the nip pressure position of the roller.-The nip pressure position of the roller is read.

  Next, in step S53, the count value is read from the wiping roller current position detection counter 74 and stored in the count value storage memory M105 of the wiping roller current position detection counter.

  Next, in step S54, it is determined whether or not the nip pressure position of the wiping roller at the high speed of the new roller = the count value of the current position detection counter of the wiping roller. If yes, the process proceeds to step S66. If NO, it is determined in step S55 whether the nip pressure position of the wiping roller at the high speed of the new roller> the count value of the current position detection counter of the wiping roller.

  If yes in step S55, a normal rotation command is output to the motor driver 73 for adjusting the nip pressure of the wiping roller in step S56.

  Next, in step S57, the nip pressure position of the wiping roller at the high speed of the new roller is read from the memory M112 for storing the nip pressure position of the wiping roller at the high speed of the new roller.

  In step S58, the count value is read from the wiping roller current position detection counter 74 and stored in the count value storage memory M105 of the wiping roller current position detection counter.

  Next, in step S59, it is determined whether or not the nip pressure position of the wiping roller at the high speed of the new roller is the count value of the current position detection counter of the wiping roller. If not, the process returns to step S57. If YES in step S60, a stop command is output to the motor driver 73 for adjusting the nip pressure of the wiping roller, and the process proceeds to step S66.

  On the other hand, if NO in step S55, a reverse rotation command is output to the motor driver 73 for adjusting the nip pressure of the wiping roller in step S61.

  Next, in step S62, the nip pressure position of the wiping roller at the high speed of the new roller is read from the memory M112 for storing the nip pressure position of the wiping roller at the high speed of the new roller.

  In step S63, the count value is read from the wiping roller current position detection counter 74 and stored in the count value storage memory M105 of the wiping roller current position detection counter.

  Next, in step S64, it is determined whether or not the nip pressure position of the wiping roller at the high speed of the new roller is the count value of the current position detection counter of the wiping roller. If not, the process returns to step S62. If yes, in step S65, a stop command is output to the motor driver 73 for adjusting the nip pressure of the wiping roller, and the process proceeds to step S66.

  Next, in step S66, it is determined whether or not the up button 64 is ON. If not, the process proceeds to step S68. If yes, the motor driver for adjusting the nip pressure of the wiping roller is determined in step S67. A forward rotation command is output to 73. The up button 64 is operated when the operator determines that the nip pressure between the intaglio cylinder and the wiping roller should be increased while looking at the printed matter printed in the main printing.

  Next, in step S68, it is determined whether the up button 64 is OFF. If NO, the process proceeds to step S70. If YES, the nip pressure adjusting motor driver for the wiping roller is determined in step S69. In 73, a stop command is output.

  Next, in step S70, it is determined whether or not the down button 65 is ON. If not, the process proceeds to step S72. If yes, the motor driver for adjusting the nip pressure of the wiping roller is determined in step S71. 73 outputs a reverse rotation command. The down button 65 is operated when the operator determines that the nip pressure between the intaglio cylinder and the wiping roller should be reduced while looking at the printed matter printed in the main printing.

  Next, in step S72, it is determined whether or not the down button 65 is OFF. If NO, the process proceeds to step S74. If YES, the nip pressure adjusting motor driver for the wiping roller is determined in step S73. In 73, a stop command is output.

  Next, in step S74, it is determined whether or not the print end switch 63 is ON. If NO, the process returns to step S66. If YES, the current position detection counter 74 of the wiping roller is checked in step S75. The count value is read and overwritten in the memory M112 for storing the nip pressure position of the wiping roller at the high speed of the new roller.

  Thus, the count value overwritten in the memory M112 is the position of the wiping roller 27 relative to the intaglio cylinder 23 detected by the current position detection counter 74 before the wiping roller 27 is worn at high speed (nip pressure position). It is. Therefore, after the wiping roller 27 is replaced with a new roll again, the nip pressure position of the wiping roller 27 at high speed can be quickly adjusted based on the count value overwritten in the memory M112.

  In step S76, 0 is overwritten in the new roller / flag storage memory M113.

  Next, in step S77, a paper feed stop command is output to the paper feeder 10. The paper supply device 10 stops sending the paper W to the printing device 20 based on the paper supply stop command.

  Next, a cylinder unloading command is output to the cylinder attaching / detaching device 85 in step S78. The cylinder attaching / detaching device 85 performs the cylinder removal of the intaglio cylinder 23 with respect to the impression cylinder 21 based on the cylinder removal instruction.

  Next, in step S79, a command to remove from the chablon cylinder 25 is output to the inking device attaching / detaching device 81. The inking device attaching / detaching device 81 separates the inking device 26 from the chablon cylinder 25 based on the removal command, that is, removes it.

  Next, in step S80, a command to remove from the collect cylinder 24 is output to the chablon cylinder attaching / detaching device 82. The chablon cylinder attaching / detaching device 82 separates the chablon cylinder 25 from the collect cylinder 24 based on the removal command, that is, removes it.

  Next, in step S <b> 81, a removal command from the intaglio cylinder 23 is output to the collect cylinder attachment / detachment device 83. The collect cylinder attaching / detaching device 83 separates the collect cylinder 24 from the intaglio cylinder 23 based on the command to remove, that is, removes it.

  Next, in step S82, a removal command from the intaglio cylinder 23 is output to the wiping / roller attaching / detaching device 84. The wiping roller attaching / detaching hydraulic cylinder 43 serving as the wiping roller attaching / detaching device 84 is contracted to release the wiping roller 27 from the intaglio cylinder 23 based on the release command, that is, to remove.

  Next, in step S83, a stop command is output to the driving motor driver 70 of the printing press, and the process returns to step S5.

  On the other hand, if NO in step S12, the low-speed rotation speed is read from the low-speed rotation speed storage memory M104 in step P4, and in step P5, the drive motor driver 70 of the printing press is connected via the D / A converter 69. Outputs a low rotation speed. The driving motor driver 70 controls the driving motor 71 of the printing press so that the rotation speed is low.

  Next, in step P6, a landing command to the intaglio cylinder 23 is output to the collect cylinder attaching / detaching device 83. The collect cylinder attaching / detaching device 83 makes the collect cylinder 24 contact the intaglio cylinder 23 based on the wearing instruction, that is, put it on.

  Next, in step P7, the arrival command to the collect cylinder 24 is output to the chablon cylinder attachment / detachment device 82. The chablon cylinder attaching / detaching device 82 contacts, that is, wears the chablon cylinder 25 to the collect cylinder 24 based on the wearing instruction.

  Next, in Step P8, a command for attaching the chablon cylinder 25 is output to the inking device attaching / detaching device 81. The inking device attaching / detaching device 81 contacts the inking device 26 with the chablon cylinder 25 based on the wearing command, that is, puts it on.

  Next, in step P9, a command to attach the intaglio cylinder 23 is output to the wiping / roller attaching / detaching device 84. The wiping roller attaching / detaching hydraulic cylinder 43, which is the wiping roller attaching / detaching device 84, extends based on the attachment command and contacts the intaglio cylinder 23 with the wiping roller 27, that is, attaches.

  Next, in step P10, the nip pressure position of the wiping roller at the low speed is read from the memory M101 for storing the nip pressure position of the wiping roller at the low speed.

  Next, in step P11, the count value is read from the wiping roller current position detection counter 74 and stored in the count value storage memory M105 of the wiping roller current position detection counter.

  Next, in step P12, it is determined whether or not the nip pressure position of the wiping roller at low speed = the count value of the current position detection counter of the wiping roller. If yes, the process proceeds to step P24, but no. If there is, it is determined in step P13 whether the nip pressure position of the wiping roller at the low speed> the count value of the counter for detecting the current position of the wiping roller.

  If yes in step P13, a normal rotation command is output to the motor driver 73 for adjusting the nip pressure of the wiping roller in step P14. The nip pressure adjusting motor driver 73 rotates the wiping roller nip pressure adjusting motor 50 based on the forward rotation command to bring the wiping roller 27 closer to the intaglio cylinder 23, that is, the nip pressure. Move in the direction of increasing position.

  Next, in step P15, the nip pressure position of the wiping roller at the low speed is read from the memory M101 for storing the nip pressure position of the wiping roller at the low speed.

  Next, in step P16, the count value is read from the wiping roller current position detection counter 74 and stored in the count value storage memory M105 of the wiping roller current position detection counter.

  Next, in Step P17, it is determined whether or not the nip pressure position of the wiping roller at the time of low speed = the count value of the current position detection counter of the wiping roller. If not, the process returns to Step P15. In step P18, a stop command is output to the motor driver 73 for adjusting the nip pressure of the wiping roller, and the process proceeds to step P24. The nip pressure adjusting motor driver 73 stops the wiping roller nip pressure adjusting motor 50 based on the stop command.

  On the other hand, if NO in step P13, a reverse rotation command is output to the motor driver 73 for adjusting the nip pressure of the wiping roller in step P19. The nip pressure adjusting motor driver 73 rotates the wiping roller nip pressure adjusting motor 50 on the basis of the reverse rotation command to move the wiping roller 27 away from the intaglio cylinder 23, that is, the nip pressure position. Move in the direction of decreasing.

  Next, in step P20, the nip pressure position of the wiping roller at the low speed is read from the memory M101 for storing the nip pressure position of the wiping roller at the low speed.

  Next, in step P21, the count value is read from the wiping roller current position detection counter 74, and stored in the count value storage memory M105 of the wiping roller current position detection counter.

  Next, in Step P22, it is determined whether or not the nip pressure position of the wiping roller at low speed = the count value of the current position detection counter of the wiping roller. If not, the process returns to Step P20. In step P23, a stop command is output to the motor driver 73 for adjusting the nip pressure of the wiping roller, and the process proceeds to step P24.

  Next, a paper feed command is output to the paper feeder 10 in step P24. The paper feeding device 10 sends the paper W to the printing device 20 based on a paper feeding command.

  Next, a cylinder insertion command is output to the cylinder attaching / detaching device 85 in step P25. The cylinder attaching / detaching device 85 cylinders the intaglio cylinder 23 with respect to the impression cylinder 21 based on the cylinder insertion instruction.

  Next, in step P26, it is determined whether or not the up button 64 is ON. If not, the process proceeds to step P28. If yes, the motor driver for adjusting the nip pressure of the wiping roller is determined in step P27. A forward rotation command is output to 73. The up button 64 is operated when the operator determines that the nip pressure between the intaglio cylinder and the wiping roller should be increased while observing the printed matter printed in the trial printing in the printing preparation stage.

  Next, in step P28, it is determined whether the up button 64 is OFF. If NO, the process proceeds to step P30. If YES, the nip pressure adjusting motor driver for the wiping roller is determined in step P29. In 73, a stop command is output.

  Next, in step P30, it is determined whether the down button 65 is ON. If NO, the process proceeds to step P32. If YES, the nip pressure adjusting motor driver for the wiping roller is determined in step P31. 73 outputs a reverse rotation command. The down button 65 is operated when the operator determines that the nip pressure between the intaglio cylinder and the wiping roller should be reduced while looking at the printed matter printed in the trial printing in the printing preparation stage.

  Next, in step P32, it is determined whether or not the down button 65 is OFF. If NO, the process proceeds to step P34. If YES, the nip pressure adjusting motor driver for the wiping roller is determined in step P33. In 73, a stop command is output.

  Next, in step P34, it is determined whether the main print start switch 62 is ON. If NO, the process returns to step P26. If YES, the current position detection counter 74 for the wiping roller is determined in step P35. The count value is read and overwritten in the nip pressure position storage memory M101 of the wiping roller at low speed.

  Next, in step P36, the printing rotational speed (high-speed rotational speed) is read from the printing rotational speed (high-speed rotational speed) storage memory M106, and in step P37, the D / A converter 69 is connected to the driving motor driver 70 of the printing press. Print rotation speed (high-speed rotation speed). The driving motor driver 70 controls the driving motor 71 of the printing press so as to achieve a printing rotation speed (high rotation speed).

  Next, in step P38, an enable signal and a reset signal are output to the internal clock counter 76. Next, in step P39, output of the reset signal to the internal clock counter 76 is stopped. The internal clock counter 76 starts counting time when the reset signal output is stopped.

  Next, in step P40, the standby time is read from the standby time storage memory M107, and in step P41, the count value is read from the internal clock counter 76 and stored in the count value storage memory M108 of the internal clock counter.

  Next, in step P42, it is determined whether or not the count value of the internal clock counter 76 is equal to the standby time. If NO, the process returns to step P40. If YES, the wiping roller at high speed is determined in step P43. The nip pressure position of the wiping roller at high speed is read from the nip pressure position memory M103.

  Next, in step P44, the count value is read from the wiping roller current position detection counter 74 and stored in the count value storage memory M105 of the wiping roller current position detection counter.

  Next, in step P45, it is determined whether or not the nip pressure position of the wiping roller at high speed = the count value of the current position detection counter of the wiping roller. If yes, the process proceeds to step P57. If there is, it is determined in step P46 whether the nip pressure position of the wiping roller at high speed> the count value of the counter for detecting the current position of the wiping roller.

  If yes in step P46, a normal rotation command is output to the motor driver 73 for adjusting the nip pressure of the wiping roller in step P47.

  Next, in step P48, the nip pressure position of the wiping roller at high speed is read from the memory M103 for storing the nip pressure position of the wiping roller at high speed.

  Next, in step P49, the count value is read from the wiping roller current position detection counter 74 and stored in the count value storage memory M105 of the wiping roller current position detection counter.

  Next, in step P50, it is determined whether or not the nip pressure position of the wiping roller at high speed = the count value of the current position detection counter of the wiping roller. If not, the process returns to step P48. In step P51, a stop command is output to the motor driver 73 for adjusting the nip pressure of the wiping roller, and the process proceeds to step P57.

  On the other hand, if the answer is NO in Step P46, a reverse rotation command is output to the motor driver 73 for adjusting the nip pressure of the wiping roller in Step P52.

  Next, in step P53, the nip pressure position of the wiping roller at the high speed is read from the memory M103 for storing the nip pressure position of the wiping roller at the high speed.

  Next, in step P54, the count value is read from the wiping roller current position detection counter 74 and stored in the count value storage memory M105 of the wiping roller current position detection counter.

  Next, in step P55, it is determined whether or not the nip pressure position of the wiping roller at high speed = the count value of the current position detection counter of the wiping roller. If not, the process returns to step P53. In step P56, a stop command is output to the motor driver 73 for adjusting the nip pressure of the wiping roller, and the process proceeds to step P57.

  Next, in step P57, it is determined whether or not the up button 64 is ON. If NO, the process proceeds to step P59. If YES, the nip pressure adjusting motor driver for the wiping roller is determined in step P58. A forward rotation command is output to 73. The up button 64 is operated when the operator determines that the nip pressure between the intaglio cylinder and the wiping roller should be increased while looking at the printed matter printed in the main printing.

  Next, in step P59, it is determined whether or not the up button 64 is OFF. If not, the process proceeds to step P61. If yes, the motor driver for adjusting the nip pressure of the wiping roller is determined in step P60. In 73, a stop command is output.

  Next, in step P61, it is determined whether or not the down button 65 is ON. If not, the process proceeds to step P63. If yes, the motor driver for adjusting the nip pressure of the wiping roller is determined in step P62. 73 outputs a reverse rotation command. The down button 65 is operated when the operator determines that the nip pressure between the intaglio cylinder and the wiping roller should be reduced while looking at the printed matter printed in the main printing.

  Next, in step P63, it is determined whether or not the down button 65 is OFF. If NO, the process proceeds to step P65. If YES, the nip pressure adjusting motor driver for the wiping roller is determined in step P64. In 73, a stop command is output.

  Next, in step P65, it is determined whether the print end switch 63 is ON. If NO, the process returns to step P57. If YES, the current position detection counter 74 of the wiping roller is determined in step P66. The count value is read and overwritten in the nip pressure position storage memory M103 of the wiping roller at high speed.

  Next, in step P67, a paper feed stop command is output to the paper feeder 10. The paper supply device 10 stops sending the paper W to the printing device 20 based on the paper supply stop command.

  Next, a cylinder unloading command is output to the cylinder attaching / detaching device 85 in step P68. The cylinder attaching / detaching device 85 performs the cylinder removal of the intaglio cylinder 23 with respect to the impression cylinder 21 based on the cylinder removal instruction.

  Next, in step P69, a command to remove from the chablon cylinder 25 is output to the inking device attaching / detaching device 81. The inking device attaching / detaching device 81 separates the inking device 26 from the chablon cylinder 25 based on the removal command, that is, removes it.

  Next, a removal command from the collect cylinder 24 is output to the chablon cylinder attaching / detaching device 82 in Step P70. The chablon cylinder attaching / detaching device 82 separates the chablon cylinder 25 from the collect cylinder 24 based on the removal command, that is, removes it.

  Next, a removal command from the intaglio cylinder 23 is output to the collect cylinder attaching / detaching device 83 in step P71. The collect cylinder attaching / detaching device 83 separates the collect cylinder 24 from the intaglio cylinder 23 based on the command to remove, that is, removes it.

  Next, in step P72, a command to remove from the intaglio cylinder 23 is output to the wiping roller attaching / detaching device 84. The wiping roller attaching / detaching hydraulic cylinder 43 serving as the wiping roller attaching / detaching device 84 is contracted to release the wiping roller 27 from the intaglio cylinder 23 based on the release command, that is, to remove.

  Next, in step P73, a stop command is output to the driving motor driver 70 of the printing press, and the process returns to step S5.

  A timing chart of the nip pressure position and the printing speed shown in FIG. 6 will be described. FIG. 6 shows the nip pressure position (broken line) and the printing speed (solid line) with the passage of time when changing from the previous print job to the next print job. As shown in FIG. 6, each print job includes a print preparation stage in which trial printing is performed at a low speed, and a main printing stage in which the printing speed is increased to the printing speed and then the main printing is performed.

  As shown in FIG. 6, in the main printing stage of the previous print job, the printing speed is maintained from time 0 to time t1, and is decelerated as time passes from time t1 when the print end switch 63 is turned on. It becomes 0 at t3.

  Since the printing speed in this printing stage is high, the wiping roller 27 is in a state of thermal expansion due to heat generated by the rotation of the printing apparatus 20. Therefore, the nip pressure position of the wiping roller at the high speed stored as the initial value in the initial value storage memory M102 of the nip pressure position of the wiping roller at the high speed is that of the wiping roller 27 with respect to the intaglio cylinder 23. The nip pressure position is set to a low position (time 0 to time t1) at a relatively distant position, that is, as shown in FIG.

  Here, since the time t1 is the time when the print end switch 63 is turned ON in step P65, the nip pressure position has already been set by the operation of the up button 64 and the down button 65 by the operator in the previous steps P57 to P64. It is in an adjusted state. Therefore, the count value to be overwritten in the nip pressure position storage memory M103 of the wiping roller at high speed in step P66 after time t1 is the high speed after being adjusted by the operation of the up button 64 and the down button 65. Nip pressure position.

Thus, the count value overwritten in the nip pressure position storage memory M103 of the wiping roller at high speed is used in the main printing stage of the next print job.
In the previous print job, there is a print preparation stage in which trial printing is performed at a low speed before time 0, but this is omitted in FIG.

  Since the speed is 0 between time t3 and time t4 after the end of the previous print job, the printing apparatus 20 dissipates heat, the thermal expansion amount of the wiping roller 27 is reduced, and the wiping roller 27 has the original dimensions. It will be close to.

  In the next print job, from time t4 to time t5, the speed is increased to a low speed in the print preparation stage, from time t5 to time t6, the low speed in the print preparation stage is maintained, and from time t6 to time t7. Increases to the printing speed of the main printing stage and maintains the printing speed of the main printing stage after time t7.

  Time t4 is the time when the print preparation switch 61 is turned on in step P3, and the print preparation stage starts. However, until the printing speed of the main printing stage is reached, the printing apparatus 20 does not generate much heat due to rotation. For this reason, the wiping roller 27 is in a state of hardly thermally expanding.

  Therefore, the nip pressure position of the wiping roller at the low speed stored as the initial value in the initial value storage memory M100 of the nip pressure position of the wiping roller at the low speed is the same as that of the wiping roller 27 with respect to the intaglio cylinder 23. The position is set to a relatively close position, that is, as shown in FIG. 6, the nip pressure position is set to a high position (time t5 to time t8). Then, it is automatically moved to the stored nip pressure position of the wiping roller 27 at the low speed in steps P14 to P23.

  Further, the time t6 is the time when the main print start switch 62 is turned on in step P34, and the nip pressure position at the low speed by the operator operating the up button 64 and the down button 65 in the previous steps P24 to P33. Is already adjusted. Therefore, the count value overwritten in the nip pressure position storage memory M101 of the wiping roller at the low speed in step P35 after the time t6 is the low speed after being adjusted by the operation of the up button 64 and the down button 65. Nip pressure position.

  Thus, the count value overwritten in the nip pressure position storage memory M101 of the wiping roller at low speed is used in the print preparation stage of the next print job.

  On the other hand, at the time t7, the printing speed of the main printing stage is reached, but there is a slight time lag that the wiping roller 27 is thermally expanded by the heat generated by the rotation of the printing apparatus 20. In other words, the wiping roller 27 does not thermally expand due to the heat generated by the rotation of the printing device 20 unless a certain time has elapsed since the time t7 when the high-speed printing speed is reached.

  Therefore, a standby time is set in step P40. That is, when the main print start switch 62 is turned on in step P34, the nip pressure position of the wiping roller 27 with respect to the intaglio cylinder 23 is not adjusted immediately, but the standby time is stored in the standby time storage memory M107 in step P40. After the reading and waiting time has elapsed, the nip of the wiping roller 27 with respect to the intaglio cylinder 23 is based on the count value overwritten in the nip pressure position storage memory M103 of the wiping roller at high speed as shown in steps P47 to P56. The pressure position is adjusted.

  As a result, in the next print job, the wiping roller 27 with respect to the intaglio cylinder 23 with respect to the wiping roller 27 in a thermally expanded state after the time t9 after a certain time from the time t7 when the high-speed printing speed is reached. The nip pressure position of the roller 27 is adjusted appropriately.

  As described above, according to the present invention, when the wiping roller 27 is replaced with a new roller, the position of the wiping roller 27 before wear is stored in steps S44 and S75, and the wiping roller 27 is stored in the new roller. When the wiping roller 27 is replaced again, the wiping roller 27 is automatically moved to the stored position of the wiping roller 27 before wear in steps S23 to S32 and S56 to S65. The first problem of generation of a large amount of waste and waste of printing materials was solved.

  According to the present invention, at the start of printing after the wiping roller 27 is replaced with a new roller, the position of the wiping roller 27 at low speed manually adjusted by the operator in steps P26 to P33 is stored in step P44 and printing is completed. Sometimes the position of the wiping roller 27 at the printing speed (high speed) manually adjusted by the operator in steps P66 to P73 is automatically stored in step P75, and printing is performed after the wiping roller 27 is replaced with a new roller again. In some cases, the wiping roller 27 is automatically moved to the position of the low-speed wiping roller 27 stored before the start of printing in steps P23 to P32, and the high-speed wiping stored when the standby time from the start of printing until thermal expansion starts is stored. The position of the roller 27 is automatically moved in steps P56 to P65 so that the operator Burden excessive, a large amount of defective printed materials, has solved the problem of waste of printing materials.

  In addition, the position of the wiping roller 27 at the low speed is automatically stored in step P44 at the timing when the rotation speed of the printing machine becomes high at the start of printing, and the printing machine at the end of printing stops printing. The position of the wiping roller 27 at the time of high speed is automatically stored in step P75, so that the timing stored by the operator does not have to be manually operated.

  INDUSTRIAL APPLICABILITY The present invention is widely industrially applicable as a contact pressure adjusting method and apparatus for a wiping roller of an intaglio printing press.

DESCRIPTION OF SYMBOLS 10 Paper feeder 20 Printing device 23 Intaglio cylinder 27 Wiping roller 30 Paper discharge device 50 Motor for nip pressure adjustment of wiping roller 60 Nip pressure adjustment device 61 Print preparation switch 62 Main print start switch 63 Print end switch 64 Up button 65 Down button 66 Input device 67 Display 68 Output device (FD drive, printer, etc.)
70 Driving motor driver for printing press 71 Driving motor for printing press 72 Rotary encoder for driving motor for printing press 73 Motor driver for adjusting nip pressure of wiping roller 74 Counter for detecting current position of wiping roller 75 Wiping roller Rotary encoder for motor for adjusting nip pressure 76 internal clock counter 77 new roller switch 81 ink device attaching / detaching device 82 chablon cylinder attaching / detaching device 83 collect cylinder attaching / detaching device 84 wiping roller attaching / detaching device 85 cylinder attaching / detaching device 100 CPU
101 ROM
102 RAM
103-112 I / O device (I / O)
M100 Memory for storing initial value of nip pressure position of wiping roller at low speed M101 Memory for storing nip pressure position of wiping roller at low speed M102 Memory for storing initial value of nip pressure position of wiping roller at high speed M103 High speed Wiping roller nip pressure position storage memory M104 Low speed rotation speed storage memory M105 Wiping roller current position detection counter count value storage memory M106 Print rotation speed (high speed rotation speed) storage memory M107 Standby time Memory M108 Memory for storing count value of internal clock counter M109 Memory for storing initial value of nip pressure position of wiping roller at low speed of new roller M110 Memory for storing nip pressure position of wiping roller at low speed of new roller Memory M111 of new roller Wiping roller nip pressure position of the initial value storage memory M112 memory nip pressure position storage memory M113 storing the new roller flag of the wiping roller when the new roller speed when fast

Claims (8)

An intaglio cylinder,
A wiping roller for wiping off excess ink from the intaglio cylinder;
A contact pressure adjusting mechanism for adjusting the contact pressure of the wiping roller with respect to the intaglio cylinder;
In the contact pressure adjustment method for a wiping roller of an intaglio printing press comprising: a contact pressure adjustment motor that drives the contact pressure adjustment mechanism to move the wiping roller;
Storing the position of the wiping roller after replacing the wiping roller with a new roller;
After replacing the wiping roller with a new roller again,
A method of adjusting a contact pressure of a wiping roller of an intaglio printing press, wherein the wiping roller is moved to the position of the wiping roller stored after the wiping roller is replaced with a new roller. After the replacement of the wiping roller with a new roller and before the start of actual printing, the adjusted position of the wiping roller at low speed is stored, and after the replacement of the wiping roller with a new roller and after the end of printing, Stores the position of the wiping roller at the adjusted printing speed,
After replacing the wiping roller with a new roller, the contact pressure adjusting motor is controlled,
Before starting the actual printing, the wiping roller is moved to a position stored before starting the actual printing after the wiping roller is replaced with a new roller, and
2. The wiping roller for an intaglio printing press according to claim 1, wherein after the start of printing, the wiping roller is moved to a position stored after the end of printing after the wiping roller is replaced with a new roller.・ Roller contact pressure adjustment method. Before the start of printing after replacing the wiping roller with a new roller, includes the time when the rotational speed of the printing machine becomes high,
After completion of printing after replacing the wiping roller with a new roller, including when the printing machine stops printing,
Before the start of printing after replacing the wiping roller with a new roller again, including when the wiping roller is attached to the intaglio cylinder,
The wiping roller of the intaglio printing press according to claim 2, wherein the rotation speed of the printing press becomes high after the start of printing after the wiping roller is replaced with a new roller again. Contact pressure adjustment method. The time after a predetermined time has elapsed since the start of the main printing after the replacement of the wiping roller with a new roller is included. For adjusting contact pressure of wiping roller of intaglio printing press. An intaglio cylinder,
A wiping roller for wiping off excess ink from the intaglio cylinder;
A contact pressure adjusting mechanism for adjusting the contact pressure of the wiping roller with respect to the intaglio cylinder;
A contact pressure adjusting device for a wiping roller of an intaglio printing press comprising: a contact pressure adjusting motor that drives the contact pressure adjusting mechanism to move the wiping roller;
The contact pressure adjusting device includes:
Storing the position of the wiping roller after replacing the wiping roller with a new roller;
After replacing the wiping roller with a new roller again,
A contact pressure adjusting device for a wiping roller of an intaglio printing press, wherein the wiping roller is moved to the position of the wiping roller stored after the wiping roller is replaced with a new roller. After the replacement of the wiping roller with a new roller and before the start of actual printing, the adjusted position of the wiping roller at low speed is stored, and after the replacement of the wiping roller with a new roller and after the end of printing, Stores the position of the wiping roller at the adjusted printing speed,
After replacing the wiping roller with a new roller, the contact pressure adjusting motor is controlled,
Before starting the actual printing, the wiping roller is moved to a position stored before starting the actual printing after the wiping roller is replaced with a new roller, and
The wiping roller of an intaglio printing press according to claim 5, wherein after the start of printing, the wiping roller is moved to a position stored after the end of printing after replacing the wiping roller with a new roller.・ Roller contact pressure adjustment device. Before the start of printing after replacing the wiping roller with a new roller, includes the time when the rotational speed of the printing machine becomes high,
After completion of printing after replacing the wiping roller with a new roller, including when the printing machine stops printing,
Before the start of printing after replacing the wiping roller with a new roller again, including when the wiping roller is attached to the intaglio cylinder,
The wiping roller of an intaglio printing press according to claim 6, wherein the rotation speed of the printing press becomes high after the start of printing after the wiping roller is replaced with a new roller again. Contact pressure adjustment device. The time after a predetermined time has elapsed since the rotation speed of the printing press has increased since the start of the main printing after the wiping roller has been replaced with a new roller again. Contact pressure adjusting device for wiping roller of intaglio printing press.

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