JP2013166394A - Ink print transfer member position adjusting method and apparatus of rotary stencil printing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an ink print transfer member position adjustment method and apparatus of a rotary stencil printing machine that improves an operation rate by reduction of burden of an operator and reduction of adjustment time by automating fine-tuning of an arrival position to a stencil of a squeegee or a doctor roller.SOLUTION: A rotary stencil printing machine includes: a rotary screen trunk 11 that supports a screen plate 11c, and is rotatably supported; and a squeegee 38 that is located in the rotary screen trunk 11, and when printing, supplies the ink saved in the rotary screen trunk 11 to a web W through a hole of the screen plate 11c by slide contact with an inner circumferential surface of the screen plate 11c, and when printing stops, detaches from the inner circumferential surface of the screen plate 11c. In the rotary stencil printing machine, attachment and detachment and the arrival position adjustment to the inner circumferential surface of the screen plate 11c of the squeegee 38 is performed by motors 36A and 36B.

Description

  The present invention relates to an ink transfer member position adjusting method and apparatus for a rotary stencil printing machine such as a rotary screen printing machine.

  Screen printing by a rotary screen printing machine (for example, Patent Document 1) is a method in which ink is placed in a screen plate and pressed by a squeegee or a doctor roller as an ink transfer member, so that the ink is applied to the printing surface of the paper through holes. Imprinted. The pressing pressure of the squeegee or the doctor roller at this time has an influence on the printing quality, and it is necessary to adjust it according to the pattern area and the material of the substrate.

  Conventionally, fine adjustment of the position of the squeegee or doctor roller with respect to the screen plate during printing has been performed by the operator manually adjusting the position adjustment mechanism of the squeegee or doctor roller in the rotary screen printing unit. It was.

  For this reason, the operator is burdened, and the manual adjustment in the rotary screen printing unit → the confirmation of the printed matter → the manual adjustment in the rotary screen printing unit is repeated, and the adjustment takes time. During that time, there was a problem that a large amount of waste paper was generated.

  Also, the squeegee or doctor roller in a rotary screen printer always contacts and wears the screen plate (the inner surface) during printing. Each time, the operating rate was lowered, and there was a problem that waste paper was generated.

JP-A-8-230149

  Therefore, the present invention provides a rotary stencil printing machine that automates fine adjustment of the landing position of the ink transfer member relative to the stencil, reduces the burden on the operator, improves the operating rate by reducing the adjustment time, and reduces waste paper. It is an object of the present invention to provide an ink transfer member position adjusting method and apparatus.

In order to solve the above-mentioned problems, the ink transfer member position adjusting method of the rotary stencil printing machine according to the present invention is:
A stencil cylinder that supports the stencil and is rotatably supported;
During printing, the ink stored in the stencil cylinder in contact with the inner peripheral surface of the stencil is transferred to the printing material through the holes of the stencil, and the stencil is stopped when printing is stopped. An ink transfer member away from the inner peripheral surface of
In a rotary stencil printing machine equipped with
Movement of the ink transfer member from the inner peripheral surface of the stencil plate to a position where the ink transfer member is removed, movement to a position for replacement of the ink transfer member, movement of the stencil plate to a landing position and a landing position Adjustment is performed by a motor.

  The ink transfer member is configured such that the positions of both end portions thereof can be independently adjusted, and the origin position for attachment / detachment with respect to the inner peripheral surface of the stencil plate can be adjusted.

  In addition, the relative position of the origin position and the escape position away from the inner peripheral surface of the stencil when printing is stopped is constant.

In order to solve the above-mentioned problems, an ink transfer member position adjusting device of a rotary stencil printing machine according to the present invention is:
A stencil cylinder that supports the stencil and is rotatably supported;
During printing, the ink stored in the stencil cylinder in contact with the inner peripheral surface of the stencil is transferred to the printing material through the holes of the stencil, and the stencil is stopped when printing is stopped. An ink transfer member away from the inner peripheral surface of
In a rotary stencil printing machine equipped with
Movement of the ink transfer member from the inner peripheral surface of the stencil plate to a position where the ink transfer member is removed, movement to a position for replacement of the ink transfer member, movement of the stencil plate to a landing position and a landing position The motor to be adjusted,
Control means for driving and controlling the motor;
It is provided with.

  In addition, the control means can adjust an origin position for attaching and detaching the ink transfer member, which is configured such that the positions of both end portions can be independently adjusted, with respect to the inner peripheral surface of the stencil plate. .

  Further, the relative position between the origin position and the escape position away from the inner peripheral surface of the stencil when the printing is stopped is constant by the control means.

  According to the method and apparatus for adjusting the position of the ink transfer member of the rotary stencil printing press according to the present invention, fine adjustment of the landing position of the ink transfer member with respect to the stencil can be automated by motor driving, reducing the burden on the operator and adjusting time. Can improve the operating rate and reduce waste paper.

1 is a schematic cross-sectional view of a rotary screen printing unit in a rotary screen printer showing Embodiment 1 of the present invention. It is a right view of FIG. It is a left view of FIG. It is an action state figure. It is an action state figure. It is a control block diagram of a control apparatus. It is a control block diagram of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a manufacturing apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is a schematic structure sectional drawing of the rotary screen printing part in the rotary screen printer which shows Example 2 of this invention. It is explanatory drawing of an ink supply system. It is explanatory drawing of an ink supply pipe | tube. It is a control block diagram of a control apparatus. It is a control block diagram of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a manufacturing apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus. It is an operation | movement flowchart of a control apparatus.

  Hereinafter, an ink transfer member position adjusting method and apparatus for a rotary stencil printing press according to the present invention will be described in detail with reference to the drawings. In Example 1 below, a squeegee is used as the ink transfer member, and in Example 2, a doctor roller is used as the ink transfer member.

  1 is a schematic sectional view of a rotary screen printing unit in a rotary screen printing machine showing Embodiment 1 of the present invention, FIG. 2 is a right side view of FIG. 1, FIG. 3 is a left side view of FIG. (A) and FIG. 4 (b) are operational state diagrams, FIGS. 5 (a) and 5 (b) are control block diagrams of the control device, and FIGS. 6 (a) to 6 (d) are operation flows of the control device. FIGS. 7A to 7D are operation flow diagrams of the control device, FIG. 8 is an operation flow diagram of the control device, and FIGS. 9A to 9D are operation flow diagrams of the control device. 10A to 10D are operation flow diagrams of the control device, FIGS. 11A to 11E are operation flow diagrams of the control device, and FIGS. 12A to 12D are FIG. It is an operation | movement flowchart of a control apparatus.

  As shown in FIG. 1, in a rotary screen printing unit in a rotary screen printing machine (rotary stencil printing machine), a rotary screen cylinder (stencil cylinder) 11 has an eccentric bearing 12 between left and right frames 10. And is detachably supported with respect to the impression cylinder 13. The left and right eccentric bearings 12 are supported by the left and right frames 10 so as to be rotatable and slidable in the left-right direction (axial direction).

  The rotary screen cylinder 11 includes a cylindrical screen plate (stencil) 11c supported between intermediate left and right cylindrical end members 11a via intermediate members 11b, and both left and right cylindrical end members. In the small diameter portion of 11a, the eccentric bearing 12 is rotatably supported by a bearing.

  A gear 15 is fixed to the small diameter portion of the right cylindrical end member 11a at the end, and a gear 17 fixed on the output shaft of the motor 16 is engaged with the gear 15. The motor 16 is attached to a subframe 18 coupled to the right frame 10.

  Therefore, the rotary screen cylinder 11 is rotationally driven by the motor 16 through the above-described gear mechanism and can be vertically registered.

  One end of a link 19 is pin-coupled to each of the left and right eccentric bearings 12, and the tip of a lever 20 is pin-coupled to the other end of these links 19. The base end portions of the left and right levers 20 are respectively fixed to both left and right end portions of a rotating shaft 21 that is rotatably mounted between the left and right frames 10. Then, the tip of the actuator 22 is pin-coupled to the left lever 20.

  Accordingly, when the eccentric bearing 12 is rotated by the actuator 22 via the link mechanism described above, the rotary screen cylinder 11 is eccentrically rotated and can be attached to and detached from the impression cylinder 13 (FIG. 4A). And (b) of FIG. 4).

  In the long hole formed in the flange portion 12a of the left and right eccentric bearings 12, the head 23a of the bolt 23 can be rotated and moved in the major axis direction of the long hole but cannot be moved in the axial direction. On the other hand, the screw portion 23 b of the bolt 23 is screwed into the screw hole of the frame 10. Gears 24a are respectively fixed to the heads 23a of the left and right bolts 23, and gears 24b fixed on the output shaft of the motor 25 are engaged with these gears 24a. The left and right motors 25 are respectively attached to support brackets 26 connected to the left and right frames 10.

  Accordingly, the left and right eccentric bearings 12 are slid in the left-right direction (axial direction) by the motor 25 via the gear mechanism and the feed screw mechanism described above, and when adjusting the tension of the screen plate 11c and removing the rotary screen cylinder. The bearing can be moved.

  As shown in FIGS. 2 and 3, a pipe-like support shaft 27 with a right end closed is inserted into the rotary screen cylinder 11, and the right end (first end) side thereof is a subframe (first frame). 1 (frame) 18 is fitted and supported in a fitting hole 28a of a receiving member (first receiving member) 28 positioned on the outer side of 18 so that it can be rotated and moved (slided) in the left-right direction (axial direction). On the other hand, the left end (second end) side is rotated by a receiving member (second receiving member) 29 located on the outer side of the left frame (second frame) 10 and moved in the left-right direction (axial direction). (Slide) is fitted and supported.

  That is, on the left end side of the support shaft 27, the left and right stepped portions 27a and 27b prevent movement (sliding) in the left-right direction (axial direction), while the groove bottom of the receiving member 29 is tapered. The rotation is prevented by being pressed from above by the pressing plate 30a while being accommodated in the formed fitting groove 29a.

  The presser plate 30a is horizontally rotatable about the fulcrum pin 31 so that the fitting groove 29a can be opened and closed. With the fitting groove 29a closed, the fixing lever 30b is fixed to the presser plate 30a and the receiving member. The closed state is maintained by being screwed into 29.

  The left and right receiving members 28 and 29 are supported by a support case 31 attached to the frame 10 and the subframe 18 via a ball screw 32 so as to be movable up and down. Specifically, a nut member 32a of the ball screw 32 is fixed in the support case 31, and a screw member 32b screwed into the nut member 32a penetrates the support case 31 up and down. Note that the non-screw-forming shaft portion of the screw member 32 b is rotatably supported in the support case 31 via the bearing 33.

  The upper end portion of the screw member 32b is connected to the receiving member 28 via the spherical bearing 34 so as to allow the rotation of the screw member 32b and the inclination of the support shaft 27 when adjusting the position of the support shaft 27, which will be described later. It is engaged with 29 engagement holes 28b, 29b. On the other hand, a gear 35a is fixed to the lower end portion of the screw member 32b, and the gear 35b fixed on the output shafts of the motors 36A and 36B meshes with the gear 35a. The left motor 36A is attached to the outer surface of the frame 10, and the right motor 36B is attached to the outer surface of the subframe 18.

  In FIG. 1, reference numeral 39 denotes a detent pin for positioning the receiving members 28 and 29 when the support shaft 27 is not provided and for positioning the support shaft 27 in the front-rear direction.

  Further, as shown in FIGS. 4A and 4B, a rubber squeegee (ink transfer member) 38 is supported on the support shaft 27 via a holder 37, and the tip of the squeegee 38 is By being in sliding contact with the inner peripheral surface of the screen plate 11c, the ink supplied into the screen plate 11c through the support shaft 27 is transferred to the printing surface of the web W (substrate) through the holes of the screen plate 11c. It is.

  In the present embodiment, the motors 36A and 36B are independently driven and controlled by a control device (control means) 40, which will be described later, so that the squeegee 38 can be attached / detached and adjusted for the inner peripheral surface of the screen plate 11c. It is done automatically.

  In addition, the control device 40 adjusts the origin position for attaching / detaching the squeegee 38 to / from the inner peripheral surface of the screen plate 11c, and controls the relative position with respect to the detached position at that time. Further, the control device 40 variably controls the relative position between the origin position and the landing position in accordance with the landing position adjustment amount by the operator. Further, the control device 40 adjusts the position of the origin for attaching / detaching the squeegee 38 with respect to the inner peripheral surface of the screen plate 11c, and then the rotary screen cylinder is attached to the inner peripheral surface of the screen plate 11c of the squeegee 38. 11 (rotary stencil printing machine) is measured, and the position of the squeegee 38 on the inner peripheral surface of the screen slab 11c is adjusted according to the measured total rotational speed of the rotary screen cylinder 11. It is also.

  That is, as shown in FIGS. 5A and 5B, the control device 40 includes a CPU 41, a RAM 42, a ROM 43, and input / output devices 44 to 48, all connected by a BUS line 53. The BUS line 53 also includes a count value storage memory M1 for the current position detection counter on the left side of the squeegee, a memory M2 for storing the origin position (count value of the counter) on the left side of the squeegee, and a count value difference storage on the left side. The memory M3 and the memory M4 for storing the current position on the left side of the squeegee are connected.

  Further, the BUS line 53 includes a count value storage memory M5 for the current position detection counter on the right side of the squeegee, a memory M6 for storing the origin position (count value of the counter) on the right side of the squeegee, and a memory M7 for storing the count value difference on the right side. , The current position storage memory M8 on the right side of the squeegee, the count value storage memory M9 of the left position detection counter of the target squeegee, the count value storage memory M10 of the right position detection counter of the target squeegee, the count value An S storage memory M11, a left adjustment motor rotation direction storage memory M12, and a right adjustment motor rotation direction storage memory M13 are connected.

  Further, the BUS line 53 includes a memory M14 for storing the distance between the origin position and the disengagement position on the left side of the squeegee (counter value of the counter), a memory for storing the dislocation position (count value of the counter) on the left side of the squeegee, and Memory M16 for storing the distance between the origin position and the unplaced position (counter value of the counter), the memory M17 for storing the right position of the squeegee (counter value of the counter), the total number of rotations when the squeegee is worn-the squeegee position correction amount ( The counter count value) conversion table storage memory M18 and the count value storage memory M19 of the counter for counting the total number of revolutions when the squeegee is attached are connected.

  Further, on the BUS line 53, a squeegee position correction amount (counter count amount) storage memory M20, a distance between the origin position on the left side of the squeegee and the print position (counter count value) storage memory M21, and a squeegee left side print. Position (counter count value) storage memory M22, squeegee right side origin position-printing position distance (counter count value) storage memory M23, squeegee right side print position (counter count value) storage memory M24 is connected.

  The input / output device 44 includes an origin return switch 54, a left adjustment selection switch 55, a right adjustment selection switch 56, a both-side adjustment selection switch 57, an adjustment completion switch 58, an up button 59, a down button 60, and an origin adjustment completion switch 61. , Squeegee attachment / detachment automatic control switch 62, current position indicator 63 on the left side of the squeegee, current position indicator 64 on the right side of the squeegee, input device 65 such as a keyboard, indicator 66 such as a CRT or display, printer or floppy disk (registered) An output device 67 such as a trademark drive is connected.

  A left adjustment motor 36A is connected to the input / output device 45 via a left adjustment motor driver 68, and a left adjustment that is drivingly connected to the motor 36A via a current position detection counter 70 on the left side of the squeegee. A motor rotary encoder 71 is connected.

  A right adjustment motor 36B is connected to the input / output device 46 via a right adjustment motor driver 72, and a right adjustment that is connected to the motor 36B via a current position detection counter 74 on the right side of the squeegee. A motor rotary encoder 75 is connected.

  A sensor 77 for detecting one rotation of the rotary screen cylinder is connected to the input / output device 47 via a counter 76 for counting the total number of revolutions when the squeegee is worn. The input / output device 48 is connected to a rotary screen cylinder insertion circuit 78. The sensor 77 for detecting one rotation of the rotary screen cylinder is provided in the rotating portion of the rotary screen printer so that one pulse is output every time the rotary screen cylinder makes one rotation. The counter 74 for counting the number of revolutions counts the number of revolutions of the rotary screen cylinder in the operating state.

  The control operation of such a control device 40 is shown in FIGS. 6 (a) to 6 (d), FIGS. 7 (a) to 7 (d), FIG. 8, FIG. 9 (a) to 9 (d), 10A to 10D, 11A to 11E, and FIG. 12A to FIG.

  First, in step P1, the count value is read from the current position detection counter 70 on the left side of the squeegee and stored in the memory M1, and then the origin position (count value of the counter) on the left side of the squeegee is read from the memory M2 in step P2. Next, in step P3, the origin position (count value of the counter) on the left side of the squeegee is subtracted from the count value of the current position detection counter 70 on the left side of the squeegee, and the left count value difference is calculated and stored in the memory M3.

  Next, in step P4, the current position on the left side of the squeegee is calculated from the left count value difference and stored in the memory M4. Then, in step P5, the current position on the left side of the squeegee is output to the current position display 63 on the left side of the squeegee. To do.

  Next, in step P6, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5, and then the origin position (counter count value) on the right side of the squeegee is read from the memory M6 in step P7. . Next, in step P8, the origin position (count value of the counter) on the right side of the squeegee is subtracted from the count value of the current position detection counter 74 on the right side of the squeegee, the right count value difference is calculated and stored in the memory M7.

  Next, in step P9, the current position on the right side of the squeegee is calculated from the count value difference on the right side and stored in the memory M8. In step P10, the current position on the right side of the squeegee is output to the current position indicator 64 on the right side of the squeegee. To do.

  Next, in step P11, it is determined whether the origin return switch 54 is ON. If yes, the origin position (counter value) of the left side of the squeegee is read from the memory M2 in step P12. The process proceeds to Step P69 described later.

  Next, in step P13, the origin position on the left side of the squeegee (count value of the counter) is overwritten on the count value storage memory M9 of the counter for detecting the left position of the squeegee, and in step P14, the origin position on the right side of the squeegee (Count value of counter) is read from the memory M6.

  Next, in step P15, the origin position on the right side of the squeegee (count value of the counter) is overwritten on the count value storage memory M10 of the right position detection counter for the squeegee, and then in step P16, the count value S of the memory M11 is stored. Overwrite with 0.

  Next, after 0 is overwritten in the left adjustment motor rotation direction storage memory M12 in step P17, 0 is overwritten in the right adjustment motor rotation direction storage memory M13 in step P18.

  Next, in step P19, the count value is read from the current position detection counter 70 on the left side of the squeegee and stored in the memory M4. Then, in step P20, the count value of the left position detection counter for the target squeegee is read from the memory M9. Include.

  Next, in step P21, it is determined whether or not the count value of the current position detection counter on the left side of the squeegee = the count value of the left position detection counter of the target squeegee. While it is determined whether the count value of the current position detection counter <the count value of the left position detection counter of the target squeegee, if yes, the count value S is read from the memory M11 in step P23, and then step In P24, 1 is added to the count value S of the memory M11, overwriting, and the process proceeds to Step P27 described later.

  If yes in step P22, 1 is overwritten in the left adjustment motor rotation direction storage memory M12 in step P25, and then a normal rotation command is output to the left adjustment motor driver 68 in step P26. Control goes to step P27.

  On the other hand, if NO in step P22, 2 is overwritten in the left adjustment motor rotation direction storage memory M12 in step P28, and then a reverse rotation command is output to the left adjustment motor driver 68 in step P29. Migrate to

  Next, in step P27, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M8. In step P30, the count value of the right position detection counter for the target squeegee is read from the memory M10. Read.

  Next, in step P31, it is determined whether or not the count value of the current position detection counter on the right side of the squeegee = the count value of the right position detection counter of the target squeegee. While it is determined whether the count value of the current position detection counter <the count value of the right position detection counter of the target squeegee, if yes, the count value S is read from the memory M11 in step P33, and then step In P34, 1 is added to the count value S of the memory M11, overwriting, and the process proceeds to Step P37 described later.

  Next, if yes in step P32, after overwriting 1 in the right-hand adjustment motor rotation direction storage memory M13 in step P35, a forward rotation command is output to the right-hand adjustment motor driver 72 in step P36. Control goes to step P37.

  On the other hand, if the answer is NO in step P32, 2 is overwritten in the right-hand adjustment motor rotation direction storage memory M13 in step P38, and then a reverse rotation command is output to the right-hand adjustment motor driver 72 in step P39. Migrate to

  Next, after reading the count value S from the memory M11 in step P37, it is determined in step P40 whether the count value S = 2.

  If yes in step P40, the process returns to step P1. If no, the count value is read from the current position detection counter 70 on the left side of the squeegee and stored in the memory M1 in step P41.

  Next, after the origin position (counter value of the counter) on the left side of the squeegee is read from the memory M2 in step P42, the origin position on the left side of the squeegee (from the count value of the current position detection counter on the left side of the squeegee) is read in step P43. (Count value of the counter) is subtracted, and the counter value difference on the left side is calculated and stored in the memory M3.

  Next, in step P44, the current position on the left side of the squeegee is calculated from the left count value difference and stored in the memory M4. In step P45, the current position on the left side of the squeegee is output to the current position display 63 on the left side of the squeegee. To do.

  Next, after the count value of the counter for detecting the left position of the target squeegee is read from the memory M9 in step P46, the count value of the counter for detecting the current position of the left side of the squeegee = the left side of the target squeegee in step P47. It is determined whether or not the count value of the position detection counter.

  Next, if yes in step 47, the value in the left adjustment motor rotation direction storage memory M12 is read in step P48, and if no, the process proceeds to step P55 described later.

  Next, in step P49, it is determined whether or not the value of the left adjustment motor rotation direction storage memory = 1. If yes, the forward rotation command output to the left adjustment motor driver 68 is stopped in step P50. On the other hand, the process proceeds to step P51. If NO, it is determined in step P52 whether the value of the left adjustment motor rotation direction storage memory = 2.

  Next, if yes in step P52, the reverse rotation command output to the left adjustment motor driver 68 is stopped in step P53 and the process proceeds to step P51. If not, the process proceeds to step P55 described later.

  Next, after reading the count value S from the memory M11 in step P51, 1 is added to the count value S in the memory M11 and overwritten in step P54. In step P55, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5.

  Next, after the origin position (counter count value) on the right side of the squeegee is read from the memory M6 in step P56, the origin position on the right side of the squeegee is determined from the count value of the current position detection counter 74 on the right side of the squeegee in step P57. (Counter count value) is subtracted, and the right count value difference is calculated and stored in the memory M7.

  Next, after calculating the current position on the right side of the squeegee from the count value difference on the right side in step P58 and storing it in the memory M8, the current position on the right side of the squeegee is output to the current position indicator 64 on the right side of the squeegee in step P59. To do.

  Next, after the count value of the right position detection counter for the squeegee is read from the memory M10 in step P60, the count value of the current position detection counter on the right side of the squeegee is equal to the right side of the target squeegee in step P61. It is determined whether or not the count value of the position detection counter.

  Next, if yes in step P61, the value in the right adjustment motor rotation direction storage memory M13 is read in step P62, and if no, the process returns to step P37.

  Next, in step P63, it is determined whether or not the value of the right adjustment motor rotation direction storage memory = 1. If yes, the forward rotation command output to the right adjustment motor driver 72 is stopped in step P64. If NO, it is determined in step P67 whether the right adjustment motor rotational direction storage memory value = 2.

  If yes in step P67, the reverse rotation command output to the right adjustment motor driver 72 is stopped in step P68 and the process proceeds to step P65. If no, the process immediately returns to step P37.

  Next, after reading the count value S from the memory M11 in step P65, 1 is added to the count value S in the memory M11 in step P66, and the process returns to step P37. With the above operation flow, in order to replace the squeegee 38, the left and right sides of the support shaft 27 are returned to the origin position when the origin return switch 54 is pressed.

  Next, it is determined whether or not the left side adjustment selection switch 55 is ON in step 69 transferred from step P11 described above. If yes, it is determined in step P70 whether or not the adjustment completion switch 58 is ON. If there is, the process proceeds to Step P89 described later.

  Next, if yes in step P70, the process proceeds to step P89 described later. If no, it is determined in step P71 whether the up button 59 is ON. Next, if yes in Step P71, a normal rotation command is output to the left adjustment motor driver 68 in Step P72, while if No, the process proceeds to Step P80 described later.

  Next, in step P73, the count value is read from the current position detection counter 70 on the left side of the squeegee and stored in the memory M1, and then the origin position (counter count value) on the left side of the squeegee is read from the memory M2 in step P74. .

  Next, at step P75, the origin position (count value of the counter) on the left side of the squeegee is subtracted from the count value of the current position detection counter 70 on the left side of the squeegee, and the count value difference on the left side is calculated and stored in the memory M3. Thereafter, in step P76, the current position on the left side of the squeegee is calculated from the left count value difference and stored in the memory M4.

  Next, after outputting the current position on the left side of the squeegee to the current position indicator 63 on the left side of the squeegee in step P77, it is determined in step P78 whether the up button 59 is OFF. If yes in step 78, the forward rotation command output to the left adjustment motor driver 68 is stopped in step P79, and if no, the process returns to step P73.

  Next, in step P80, it is determined whether or not the down button 60 is ON. If yes, a reverse rotation command is output to the left adjustment motor driver 68 in step P81, and if no, the process returns to step P70.

  Next, in step P82, the count value is read from the current position detection counter 70 on the left side of the squeegee and stored in the memory M1, and then the origin position (count value of the counter) on the left side of the squeegee is read from the memory M2 in step P83. .

  Next, in step P84, the origin position on the left side of the squeegee (count value of the counter) is subtracted from the count value of the current position detection counter 70 on the left side of the squeegee, and the difference between the left count values is calculated and stored in the memory M3. Thereafter, in step P85, the current position on the left side of the squeegee is calculated from the left count value difference and stored in the memory M4.

  Next, after outputting the current position on the left side of the squeegee to the current position indicator 63 on the left side of the squeegee in step P86, it is determined in step P87 whether the down button 60 is OFF. If yes in step P87, the reverse rotation command output to the left adjustment motor driver 68 is stopped in step P88, and the process returns to step P70. If no, the process returns to step P82.

  Next, in step P89, it is determined whether or not the right adjustment selection switch 56 is ON. If yes, it is determined in step P90 whether or not the adjustment completion switch 58 is ON. Transition.

  Next, if yes in step P90, the process proceeds to step P109, which will be described later. If no, it is determined in step P91 whether the up button 59 is ON. Next, if yes in step P91, a normal rotation command is output to the right adjustment motor driver 72 in step P92, and if no, the process proceeds to step P100 described later.

  Next, in step P93, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5, and then the origin position (counter count value) on the right side of the squeegee is read from the memory M6 in step P94. .

  Next, in step P95, the origin position (count value of the counter) on the right side of the squeegee is subtracted from the count value of the current position detection counter 74 on the right side of the squeegee, the right count value difference is calculated and stored in the memory M7. Thereafter, in step P96, the current position on the right side of the squeegee is calculated from the difference between the count values on the right side and stored in the memory M8.

  Next, after outputting the current position on the right side of the squeegee to the current position indicator 64 on the right side of the squeegee in step P97, it is determined in step P98 whether the up button 59 is OFF. Next, if yes in step 98, the forward rotation command output to the right adjustment motor driver 72 is stopped in step P99, whereas if no, the process returns to step P93.

  Next, it is determined in step P100 whether or not the down button 60 is ON. If yes, a reverse rotation command is output to the right adjustment motor driver 72 in step P101. If no, the process returns to step P90.

  Next, in step P102, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5. Then, in step P103, the origin position (count value of the counter) on the right side of the squeegee is read from the memory M6. .

  Next, in step P104, the origin position on the right side of the squeegee (count value of the counter) is subtracted from the count value of the current position detection counter 74 on the right side of the squeegee, the right side count value difference is calculated and stored in the memory M7. Thereafter, in step P105, the current position on the right side of the squeegee is calculated from the difference in count value on the right side and stored in the memory M8.

  Next, after outputting the current position on the right side of the squeegee to the current position indicator 64 on the right side of the squeegee in step P106, it is determined in step P107 whether the down button 60 is OFF. Next, if yes in Step P107, the reverse rotation command output to the right adjustment motor driver 72 is stopped in Step P108 and the process returns to Step P90. If not, the process returns to Step P102.

  Next, in step P109, it is determined whether or not the double side adjustment selection switch 57 is ON. If yes, it is determined in step P110 whether or not the adjustment completion switch 58 is ON. Transition.

  Next, if yes in step P110, the process proceeds to step P143, which will be described later. If no, it is determined in step P111 whether the up button 59 is ON. Next, if yes in Step P111, a normal rotation command is output to the left adjustment motor driver 68 in Step P112, while if No, the process proceeds to Step P127 described later.

  Next, after a forward rotation command is output to the right adjustment motor driver 72 in step P113, the count value is read from the current position detection counter 70 on the left side of the squeegee in step P114 and stored in the memory M1.

  Next, in step P115, the origin position (counter count value) on the left side of the squeegee is read from the memory M2, and in step P116, the origin position on the left side of the squeegee is determined from the count value of the current position detection counter 70 on the left side of the squeegee. (Counter count value) is subtracted, and the left count value difference is calculated and stored in the memory M3.

  Next, in step P117, the current position on the left side of the squeegee is calculated from the count value difference on the left side and stored in the memory M4. In step P118, the current position on the left side of the squeegee is output to the current position display 63 on the left side of the squeegee. To do.

  Next, in step P119, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5, and then the origin position (counter count value) on the right side of the squeegee is read from the memory M6 in step P120. .

  Next, in step P121, the origin position on the right side of the squeegee (count value of the counter) is subtracted from the count value of the current position detection counter 74 on the right side of the squeegee, the right side count value difference is calculated and stored in the memory M7. Thereafter, in step P122, the current position on the right side of the squeegee is calculated from the difference between the count values on the right side and stored in the memory M8.

  Next, after outputting the current position on the right side of the squeegee to the current position indicator 64 on the right side of the squeegee in step P123, it is determined in step P124 whether the up button 59 is OFF. Next, if yes in Step P124, the forward rotation command output to the left adjustment motor driver 68 is stopped in Step P125, while if No, the process returns to Step P114.

  Next, after stopping the normal rotation command output to the right adjustment motor driver 72 in step P126, it is determined in step P127 whether the down button 60 is ON. If yes in step P127, a reverse rotation command is output to the left adjustment motor driver 68 in step P128. If no, the process returns to step P110.

  Next, after a reverse rotation command is output to the right adjustment motor driver 72 in step P129, the count value is read from the current position detection counter 70 on the left side of the squeegee in step P130 and stored in the memory M1.

  Next, after the origin position (counter value of the counter) on the left side of the squeegee is read from the memory M2 in step P131, the origin position on the left side of the squeegee is determined from the count value of the current position detection counter 70 on the left side of the squeegee in step P132. (Counter count value) is subtracted, and the left count value difference is calculated and stored in the memory M3.

  Next, in step P133, the current position on the left side of the squeegee is calculated from the left count value difference and stored in the memory M4. In step P134, the current position on the left side of the squeegee is output to the current position display 63 on the left side of the squeegee. To do.

  Next, in step P135, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5. Then, in step P136, the origin position (count value of the counter) on the right side of the squeegee is read from the memory M6. .

  Next, in step P137, the origin position (count value of the counter) on the right side of the squeegee is subtracted from the count value of the current position detection counter 74 on the right side of the squeegee, the right count value difference is calculated and stored in the memory M7. Thereafter, in step P138, the current position on the right side of the squeegee is calculated from the difference between the count values on the right side and stored in the memory M8.

  Next, after outputting the current position on the right side of the squeegee to the current position indicator 64 on the right side of the squeegee in step P139, it is determined in step P140 whether the down button 60 is OFF. If yes in step P140, the reverse rotation command output to the left adjustment motor driver 68 is stopped in step P141. If no, the process returns to step P130. With the above operation flow, the origin position of the support shaft 27 is adjusted after the squeegee 38 is replaced manually by the operator, in other words, the squeegee 38 is parallelized.

  Next, after stopping the reverse rotation command output to the right adjustment motor driver 72 in step P142, the process returns to step P110.

  Next, it is determined whether or not the origin adjustment completion switch 61 is ON in step P143 transferred from step P109 and step P110 described above. If yes, the count value is counted from the current position detection counter 70 on the left side of the squeegee in step P144. Is stored in the memory M1, while if not, the process proceeds to Step P152 described later.

  Next, after the count value of the current position detection counter 70 on the left side of the squeegee is overwritten in the memory M2 for storing the origin position (counter value of the counter) on the left side of the squeegee in step P145, the current position on the left side of the squeegee in step P146. 0 is output to the display 63.

  Next, in step P147, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5. Then, in step P148, the count value of the current position detection counter 74 on the right side of the squeegee is set to the right side of the squeegee. The origin position (counter count value) memory M6 is overwritten.

  Next, after outputting 0 to the current position indicator 64 on the right side of the squeegee in step P149, a reset signal is outputted to the counter 76 for counting the total number of revolutions when the squeegee is attached in step P150. Next, in step P151, the reset signal output to the counter for counting the total number of revolutions 76 when the squeegee is attached is stopped and the process returns to step P11. Through the above operation flow, the origin position of the support shaft 27 after the squeegee 38 exchanged manually by the operator is stored as a new origin position thereafter, and the total rotation number counter 76 when the squeegee is attached is stored. Set the state to the initial state (reset).

  Next, it is determined whether or not the squeegee attachment / detachment automatic control switch 62 is ON in Step P152 transferred from Step P143 described above, and if yes, it is determined in Step P153 whether or not the squeegee attachment / detachment automatic control switch 62 is OFF. If NO, return to Step P11.

  Next, if yes in Step P153, the process proceeds to Step P367, which will be described later. If No, in Step P154, whether the rotary screen cylinder insertion signal is ON from the rotary screen cylinder insertion circuit 78 or not. Judging.

  Next, if yes in step 154, the process proceeds to step P215, which will be described later. If no, in step P155, the origin position (counter value) of the left side of the squeegee is read from the memory M2.

  Next, in step P156, the distance (counter count value) between the origin position on the left side of the squeegee and the withdrawal position is read from the memory M14, and then in step P157, the origin position (counter count value) on the left side of the squeegee is set. The left-side origin position-displacement distance (counter count value) is added, and the left-side squeegee escape position (counter count value) is calculated and stored in the memory M15.

  Next, in step P158, the left position of the squeegee (count value of the counter) is overwritten in the count value storage memory M9 of the counter for detecting the left position of the squeegee, and then in step P159, the origin position on the right side of the squeegee (Count value of counter) is read from the memory M6.

  Next, in step P160, the distance between the origin position on the right side of the squeegee and the dislocation position (counter value of the counter) is read from the memory M16, and then in step P161, the origin position (counter value of the counter) on the right side of the squeegee is set. The distance between the origin position on the right side and the displacement position (count value of the counter) is added, and the displacement position (count value of the counter) on the right side of the squeegee is calculated and stored in the memory M17.

  Next, in step P162, the right position of the squeegee is overwritten on the count value storage memory M10 of the right squeegee position detection counter, and then in step P163, the count value S of the memory M11 is overwritten. Overwrite with 0.

  Next, after 0 is overwritten in the left adjustment motor rotation direction storage memory M12 in step P164, 0 is overwritten in the right adjustment motor rotation direction storage memory M13 in step P165.

  Next, in step P166, the count value is read from the current position detection counter 70 on the left side of the squeegee and stored in the memory M1, and then in step P167, the count value of the left position detection counter for the target squeegee is read from the memory M9. Include.

  Next, in step P168, it is determined whether or not the count value of the current position detection counter on the left side of the squeegee = the count value of the left position detection counter of the target squeegee. While it is determined whether the count value of the current position detection counter <the count value of the left position detection counter of the target squeegee, if yes, the count value S is read from the memory M11 in step P170.

  Next, after adding 1 to the count value S of the memory M11 in step P171 and overwriting, the process proceeds to step P174 described later.

  If yes in step P169, 1 is overwritten in the left adjustment motor rotation direction storage memory M12 in step P172, and then a normal rotation command is output to the left adjustment motor driver 68 in step P173. Next, in step P174, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5.

  Next, if the result is NO in step P169, 2 is overwritten in the left adjustment motor rotation direction storage memory M12 in step P175, and then a reverse rotation command is output to the left adjustment motor driver 68 in step P176, and step P174 is executed. Migrate to

  Next, after reading the count value of the right position detection counter of the target squeegee from the memory M10 in step P177, the count value of the current position detection counter on the right side of the squeegee = the right side of the target squeegee in step P178a. It is determined whether or not the count value of the position detection counter.

  If NO in step P178a, it is determined in step P179 whether the count value of the current position detection counter on the right side of the squeegee is smaller than the count value of the right position detection counter of the target squeegee. If there is, the count value S is read from the memory M11 in step P178b.

  Next, in step P178c, 1 is added to the count value S of the memory M11, and after overwriting, the process proceeds to step P182 described later.

  If yes in step P179, 1 is overwritten in the right-hand adjustment motor rotation direction storage memory M13 in step P180, and then a normal rotation command is output to the right-hand adjustment motor driver 72 in step P181. Migrate to

  If NO in step P179, 2 is overwritten in the right-hand adjustment motor rotation direction storage memory M13 in step P183, and a reverse rotation command is output to the right-hand adjustment motor driver 72 in step P184. Migrate to

  Next, after reading the count value S from the memory M11 in Step P182, it is determined whether or not the count value S = 2 in Step P185. If yes, the counter for counting the total number of revolutions when the squeegee is attached is determined in Step P186. The output of the enable signal to 76 is stopped and the process returns to Step P153. If not, the process proceeds to Step P187.

  Next, in step P187, the count value is read from the current position detection counter 70 on the left side of the squeegee and stored in the memory M1, and then the origin position (count value of the counter) on the left side of the squeegee is read from the memory M2 in step P188. . Next, in step P189, the origin position on the left side of the squeegee (count value of the counter) is subtracted from the count value of the current position detection counter 70 on the left side of the squeegee, the left count value difference is calculated, and stored in the memory M3. .

  Next, in step P190, the current position on the left side of the squeegee is calculated from the left count value difference and stored in the memory M4. Then, in step P191, the current position indicator 63 on the left side of the squeegee is displayed. Output.

  Next, after the count value of the counter for detecting the left position of the target squeegee is read from the memory M9 in Step P192, the count value of the counter for detecting the current position on the left side of the squeegee is equal to the left side of the target squeegee in Step P193. It is determined whether or not the count value of the position detection counter.

  Next, if yes in step P193, the value in the left adjustment motor rotation direction storage memory M12 is read in step P194, and if no, the process proceeds to later-described step P201.

  Next, in step P195, it is determined whether or not the value of the left adjustment motor rotation direction storage memory = 1. If yes, the forward rotation command output to the left adjustment motor driver 68 is stopped in step P196. On the other hand, the process proceeds to Step P197. If NO in Step P197, it is determined in Step P198 whether or not the value of the left adjustment motor rotation direction storage memory = 2.

  Next, if yes in Step P198, in Step P199, the reverse rotation command output to the left adjustment motor driver 68 is stopped and the process proceeds to Step P197. If not, the process proceeds to Step P201 described later.

  Next, after reading the count value S from the memory M11 in step P197, 1 is added to the count value S of the memory M11 and overwritten in step P200.

  Next, in step P201, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5. Then, in step P202, the origin position (count value of the counter) on the right side of the squeegee is read from the memory M6. . Next, in step P203, the origin position on the right side of the squeegee (count value of the counter) is subtracted from the count value of the current position detection counter 74 on the right side of the squeegee, the right count value difference is calculated, and stored in the memory M7. .

  Next, in Step P204, the current position on the right side of the squeegee is calculated from the right count value difference and stored in the memory M8. In Step P205, the current position on the right side of the squeegee is displayed on the current position indicator 64 on the right side of the squeegee. Output.

  Next, after reading the count value of the right position detection counter of the target squeegee from the memory M10 in step P206, the count value of the current position detection counter on the right side of the squeegee = the right side of the target squeegee in step P207. It is determined whether or not the count value of the position detection counter.

  Next, if yes in step P207, the value in the right adjustment motor rotation direction storage memory M13 is read in step P208, and if no, the process proceeds to step P182.

  Next, in Step P209, it is determined whether or not the value of the right adjustment motor rotation direction storage memory = 1. If yes, the forward rotation command output to the right adjustment motor driver 72 is stopped in Step P210. On the other hand, the process proceeds to Step P211, and if NO, it is determined in Step P213 whether or not the value of the right adjustment motor rotation direction storage memory = 2.

  Next, if yes in step P213, the reverse rotation command output to the right adjustment motor driver 72 is stopped in step P214 and the process proceeds to step P211. If not, the process immediately returns to step P182.

  Next, after reading the count value S from the memory M11 in step P211, 1 is added to the count value S in the memory M11 in step P212, and the process returns to step P182. According to the above operation flow, when the cylinder insertion signal of the rotary screen cylinder 11 is not ON, in other words, when printing is not being performed on the rotary screen cylinder 11, both the left and right sides of the support shaft 27 are moved away from each other. While moving, the state of the counter 76 for counting the total number of revolutions when the squeegee is attached is set to an inoperative state.

  Next, in step P215 transferred from step P154 described above, the total rotation speed at the time of wearing the squeegee-squeegee position correction amount (count value of counter) is read from the memory M18, and then in step P216, the total number of wearing the squeegee is received. The count value is read from the rotation number counter 76 and stored in the memory M19.

  Next, in step P217, the squeegee position correction amount (from the count value of the total rotation number counter 76 at the time of wearing the squeegee is calculated using the total rotation speed at squeegee wearing-squeegee position correction amount (counter count value) conversion table. (Count value of counter) is obtained and stored in the memory M20, and the origin position (count value of the counter) on the left side of the squeegee is read from the memory M2 in Step P218.

  Next, in step P219, the distance between the origin position on the left side of the squeegee and the printing position (counter count value) is read from the memory M21, and in step P220, the squeegee position correction amount (counter count value) is read from the memory M20. Read.

  Next, in step P221, the distance between the origin position on the left side of the squeegee and the printing position (count value of the counter) and the squeegee position correction amount (counter value of the counter) are added to the origin position on the left side of the squeegee (counter count value). After the print position (counter count value) on the left side of the squeegee is calculated and stored in the memory M22, the print position on the left side of the squeegee (count value of the counter) is set as the left position of the target squeegee in step P222. The count value storage memory M9 of the detection counter is overwritten.

  Next, in step P223, the origin position on the right side of the squeegee (counter count value) is read from the memory M6, and in step P224, the distance between the origin position on the right side of the squeegee and the printing position (counter count value) is stored in the memory. Read from M23.

  Next, in step P225, the squeegee position correction amount (counter count value) is read from the memory M20, and in step P226, the origin position on the right side of the squeegee (counter count value) is changed to the origin position on the right side of the squeegee minus the printing position. The distance between them (count value of the counter) and the squeegee position correction amount (count value of the counter) are added, and the print position (count value of the counter) on the right side of the squeegee is calculated and stored in the memory M24.

  Next, after the print position (count value of the counter) on the right side of the squeegee is overwritten in the count value storage memory M10 of the target counter for detecting the right position of the squeegee in step P227, the count value of the memory M11 is stored in step P228. Overwrite S with 0.

  Next, after 0 is overwritten in the left adjustment motor rotation direction storage memory M12 in step P229a, 0 is overwritten in the right adjustment motor rotation direction storage memory M13 in step P229b.

  Next, the count value is read from the current position detection counter 70 on the left side of the squeegee in step P230 and stored in the memory M1, and then the count value of the left position detection counter for the target squeegee is read from the memory M9 in step P231. Include.

  Next, in Step P232, it is determined whether the count value of the current position detection counter on the left side of the squeegee = the count value of the left position detection counter of the target squeegee. If not, the process proceeds to Step P233. If YES in step P234, the count value S is read from the memory M11, and in step P235, 1 is added to the count value S in the memory M11, overwriting, and the process proceeds to step P238 described later.

  Next, in step P233, it is determined whether or not the count value of the current position detection counter on the left side of the squeegee is smaller than the count value of the left position detection counter of the target squeegee. After 1 is overwritten in the motor rotation direction storage memory M12, a forward rotation command is output to the left adjustment motor driver 68 in step P237, and the process proceeds to step P238.

  If NO in step P233, 2 is overwritten in the left adjustment motor rotation direction storage memory M12 in step P239, and a reverse rotation command is output to the left adjustment motor driver 68 in step P240. Migrate to

  Next, in step P238, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5. In step P241, the count value of the right position detection counter for the right squeegee is read from the memory M10. Include.

  Next, in step P242, it is determined whether the count value of the current position detection counter on the right side of the squeegee = the count value of the right position detection counter of the target squeegee. If not, the process proceeds to step P243. If YES in step P244, the count value S is read from the memory M11, and in step P245, 1 is added to the count value S in the memory M11, overwriting, and the process proceeds to step P248 described later.

  Next, in step P243, it is determined whether or not the count value of the current position detection counter on the right side of the squeegee <the count value of the target position detection counter on the right side of the squeegee. After overwriting 1 in the motor rotation direction storage memory M13, a normal rotation command is output to the right adjustment motor driver 72 in step P247, and the process proceeds to step P248.

  Next, if the answer is NO in step P243, 2 is overwritten in the right adjustment motor rotation direction storage memory M13 in step P249, and then a reverse rotation command is output to the right adjustment motor driver 72 in step P250. Migrate to

  Next, after reading the count value S from the memory M11 in step P248, it is determined in step P251 whether the count value S = 2. If NO in step P251, the process proceeds to step P252. If YES in step P251, an enable signal is output to the counter for counting the total number of revolutions 76 when the squeegee is worn, and the process proceeds to step P281 described later.

  Next, the count value is read from the current position detection counter 70 on the left side of the squeegee in step P252 and stored in the memory M1, and then the origin position (count value of the counter) on the left side of the squeegee is read from the memory M2 in step P254. Include.

  Next, in step P255, the origin position (count value of the counter) on the left side of the squeegee is subtracted from the count value of the current position detection counter 70 on the left side of the squeegee, the left count value difference is calculated, and stored in the memory M3. After that, in Step P256, the current position on the left side of the squeegee is calculated from the left count value difference and stored in the memory M4.

  Next, after the current position on the left side of the squeegee is output to the current position indicator 63 on the left side of the squeegee in step P257, the count value of the counter for detecting the left position of the target squeegee is read from the memory M9 in step P258.

  Next, in step P259, it is determined whether or not the count value of the current position detection counter on the left side of the squeegee = the count value of the left position detection counter of the target squeegee. If yes, the left adjustment motor is determined in step P260. While reading the value of the rotation direction storage memory M12, if not, the process proceeds to Step P267 described later.

  Next, in step P261, it is determined whether or not the value of the left adjustment motor rotation direction storage memory = 1. If yes, the forward rotation command output to the left adjustment motor driver 68 is stopped in step P262. On the other hand, the process proceeds to Step P263, and if NO, it is determined in Step P264 whether or not the value of the left adjustment motor rotation direction storage memory = 2.

  Next, if yes in step P264, in step P265, the reverse rotation command output to the left adjustment motor driver 68 is stopped and the process proceeds to step P263. If not, the process proceeds to step P267.

  Next, after reading the count value S from the memory M11 in step P263, 1 is added to the count value S of the memory M11 and overwritten in step P266.

  Next, in step P267, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5. Then, in step P268, the origin position (count value of the counter) on the right side of the squeegee is read from the memory M6. .

  Next, in step P269, the origin position (count value of the counter) on the right side of the squeegee is subtracted from the count value of the current position detection counter 74 on the right side of the squeegee, and the count value difference on the right side is calculated and stored in the memory M7. After that, in step P270, the current position on the right side of the squeegee is calculated from the difference between the count values on the right side, and stored in the memory M8.

  Next, after outputting the current position on the right side of the squeegee to the current position indicator 64 on the right side of the squeegee in Step P271, the count value of the target counter for detecting the right position of the squeegee is read from the memory M10 in Step P272.

  Next, in step P273, it is determined whether or not the count value of the current position detection counter on the right side of the squeegee = the count value of the right position detection counter of the target squeegee. If yes, the right adjustment motor is determined in step P274. While the value of the rotation direction storage memory M13 is read, if not, the process returns to Step P248.

  Next, in Step P275, it is determined whether or not the value of the right adjustment motor rotation direction storage memory = 1. If yes, the forward rotation command output to the right adjustment motor driver 72 is stopped in Step P276. On the other hand, the process proceeds to Step P277, but if NO, it is determined in Step P279 whether or not the value of the right adjustment motor rotation direction storage memory = 2.

  Next, if yes in Step P279, the reverse rotation command output to the right adjustment motor driver 72 is stopped in Step P280 and the process returns to Step P248. If not, the process immediately moves to Step P248.

  Next, after reading the count value S from the memory M11 in step P277, 1 is added to the count value S in the memory M11 and overwritten in step P278.

  With the above operation flow, when the cylinder insertion signal of the rotary screen cylinder 11 is ON, in other words, when printing is performed with the rotary screen cylinder 11, the left and right sides of the support shaft 27 are moved to the printing position. At the same time, the state of the counter for counting the total number of revolutions 76 when the squeegee is worn is set to the operating state.

  Next, in step P281 transferred from the above-described step P253, it is determined whether or not the left adjustment selection switch 55 is ON. If yes, it is determined whether or not the adjustment completion switch 58 is ON in step P282. If there is, the process proceeds to Step P304 described later.

  Next, if yes in step P282, the count value is read from the current position detection counter 70 on the left side of the squeegee in step P283 and stored in the memory M1, and then the origin position (counter count of the counter) on the left side of the squeegee is stored in step P284. Value) is read from the memory M2.

  Next, in step P285, the origin position on the left side of the squeegee (count value of the counter) is subtracted from the count value of the current position detection counter 70 on the left side of the squeegee, and the distance between the origin position on the left side of the squeegee and the printing position (counter). Is calculated and stored in the memory M21, and the process proceeds to Step P304 described later.

  Next, if not in step P282, it is determined in step P286 whether or not the up button 59 is ON. If yes, in step P287, a forward rotation command is output to the left adjustment motor driver 68. If not, the process proceeds to Step P295 described later.

  Next, in step P288, the count value is read from the current position detection counter 70 on the left side of the squeegee and stored in the memory M1, and then the origin position (count value of the counter) on the left side of the squeegee is read from the memory M2 in step P289. .

  Next, in step P290, the origin position on the left side of the squeegee (count value of the counter) is subtracted from the count value of the current position detection counter 70 on the left side of the squeegee, and the left count value difference is calculated and stored in the memory M3. After that, in step P291, the current position on the left side of the squeegee is calculated from the left count value difference and stored in the memory M4.

  Next, after outputting the current position on the left side of the squeegee to the current position indicator 63 on the left side of the squeegee in step P292, it is determined in step P293 whether or not the up button 59 is OFF. If yes, in step P294. The forward rotation command output to the left adjustment motor driver 68 is stopped and the process proceeds to Step P295. If not, the process returns to Step P288.

  Next, in step P295, it is determined whether or not the down button 60 is ON. If yes, a reverse rotation command is output to the left adjustment motor driver 68 in step P296. If no, the process returns to step P282.

  Next, in step P297, the count value is read from the current position detection counter 70 on the left side of the squeegee and stored in the memory M1, and then the origin position (count value of the counter) on the left side of the squeegee is read from the memory M2 in step P298. .

  Next, in Step P299, the origin position (count value of the counter) on the left side of the squeegee is subtracted from the count value of the current position detection counter 70 on the left side of the squeegee, the left count value difference is calculated, and stored in the memory M3. After that, in step P300, the current position on the left side of the squeegee is calculated from the left count value difference and stored in the memory M4.

  Next, after outputting the current position on the left side of the squeegee to the current position indicator 63 on the left side of the squeegee in step P301, it is determined in step P302 whether or not the down button 60 is OFF. The reverse rotation command output to the left adjustment motor driver 68 is stopped, and the process returns to Step P282. If not, the process returns to Step P297.

  Next, in Step P304, it is determined whether or not the right adjustment selection switch 56 is ON. If yes, it is determined whether or not the adjustment completion switch 58 is ON in Step P305. If not, Step P327 described later is determined. Migrate to

  If yes in step P305, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5 in step P306, and then the origin position (counter count of the counter) on the right side of the squeegee is stored in step P307. Value) is read from the memory M6.

  Next, in step P308, the origin position on the right side of the squeegee (count value of the counter) is subtracted from the count value of the current position detection counter 74 on the right side of the squeegee, and the distance between the origin position on the right side of the squeegee and the printing position (counter). Is calculated and stored in the memory M23, and then the process proceeds to Step P327 described later.

  Next, if not in step P305, it is determined in step P309 whether or not the up button 59 is ON. If yes, in step P310, a forward rotation command is output to the right adjustment motor driver 72. If not, the process proceeds to Step P318 described later.

  Next, in step P311, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5. Then, in step P312, the origin position (count value of the counter) on the right side of the squeegee is read from the memory M6. .

  Next, in step P313, the origin position on the right side of the squeegee (count value of the counter) is subtracted from the count value of the current position detection counter 74 on the right side of the squeegee, the right count value difference is calculated, and stored in the memory M7. After that, in step P314, the current position on the right side of the squeegee is calculated from the difference between the count values on the right side, and stored in the memory M8.

  Next, after outputting the current position on the right side of the squeegee to the current position indicator 64 on the right side of the squeegee in step P315, it is determined in step P316 whether or not the up button 59 is OFF. The forward rotation command output to the right adjustment motor driver 72 is stopped and the process proceeds to Step P318. If not, the process returns to Step P311.

  Next, in step P318, it is determined whether or not the down button 60 is ON. If yes, a reverse rotation command is output to the right adjustment motor driver 72 in step P319. If no, the process returns to step P305.

  Next, in step P320, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5. Then, in step P321, the origin position (count value of the counter) on the right side of the squeegee is read from the memory M6. .

  Next, in step P322, the origin position (count value of the counter) on the right side of the squeegee is subtracted from the count value of the current position detection counter 74 on the right side of the squeegee, the right count value difference is calculated, and stored in the memory M7. After that, in step P323, the current position on the right side of the squeegee is calculated from the count value difference on the right side and stored in the memory M8.

  Next, after outputting the current position on the right side of the squeegee to the current position indicator 64 on the right side of the squeegee in step P324, it is determined in step P325 whether or not the down button 60 is OFF. While the reverse rotation command output to the right adjustment motor driver 72 is stopped and the process returns to Step P305, if NO, the process returns to Step P320.

  Next, in step P327, it is determined whether or not the both-side adjustment selection switch 57 is ON. If yes, it is determined in step P328 whether or not the adjustment completion switch 58 is ON. If not, the process returns to step P153. .

  Next, if yes in step P328, the count value is read from the current position detection counter 70 on the left side of the squeegee in step P329 and stored in the memory M1, and then the origin position (counter count of the counter) on the left side of the squeegee is stored in step P330. Value) is read from the memory M2.

  Next, in step P331, the origin position on the left side of the squeegee (count value of the counter) is subtracted from the count value of the current position detection counter 70 on the left side of the squeegee, and the distance between the origin position on the left side of the squeegee and the printing position (counter). Is calculated and stored in the memory M21, and in step P332, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5.

  Next, in step P333, the origin position (counter count value) on the right side of the squeegee is read from the memory M6, and in step P334, the origin position on the right side of the squeegee is determined from the count value of the current position detection counter 74 on the right side of the squeegee. (Counter count value) is subtracted, the distance between the origin position on the right side of the squeegee and the printing position (counter count value) is calculated, stored in the memory M23, and the process returns to Step P153.

  Next, if not in step P328, it is determined in step P335 whether or not the up button 59 is ON. If yes, in step P336, a forward rotation command is output to the left adjustment motor driver 68. If not, the process proceeds to Step P351 described later.

  Next, after a forward rotation command is output to the right adjustment motor driver 72 in step P337, the count value is read from the current position detection counter 70 on the left side of the squeegee and stored in the memory M1 in step P338.

  Next, after the origin position (counter count value) on the left side of the squeegee is read from the memory M2 in step P339, the origin position on the left side of the squeegee is determined from the count value of the current position detection counter 70 on the left side of the squeegee in step P340. (Count value of counter) is subtracted, and the left count value difference is calculated and stored in the memory M3.

  Next, in step P341, the current position on the left side of the squeegee is calculated from the left count value difference and stored in the memory M4. Then, in step P342, the current position display 63 on the left side of the squeegee is displayed. Output.

  Next, in step P343, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5, and then the origin position (counter count value) on the right side of the squeegee is read from the memory M6 in step P344. .

  Next, in step P345, the origin position on the right side of the squeegee (count value of the counter) is subtracted from the count value of the current position detection counter 74 on the right side of the squeegee, the right count value difference is calculated, and stored in the memory M7. After that, in step P346, the current position on the right side of the squeegee is calculated from the difference in count value on the right side, and stored in the memory M8.

  Next, after outputting the current position on the right side of the squeegee to the current position indicator 64 on the right side of the squeegee in step P347, it is determined in step P348 whether the up button 59 is OFF.

  Next, if yes in step P348, the forward rotation command output to the left adjustment motor driver 68 is stopped in step P349, and then the forward rotation command output to the right adjustment motor driver 72 is stopped in step P350. Then, the process proceeds to step P351. On the other hand, if the result is NO in Step P348, the process returns to Step P338.

  Next, in step P351, it is determined whether or not the down button 60 is ON. If yes, a reverse rotation command is output to the left adjustment motor driver 68 in step P352. If no, the process returns to step P328. .

  Next, after a reverse rotation command is output to the right adjustment motor driver 72 in step P353, the count value is read from the current position detection counter 70 on the left side of the squeegee in step P354 and stored in the memory M1.

  Next, after the origin position (counter count value) of the left side of the squeegee is read from the memory M2 in step P355, the origin position of the left side of the squeegee is determined from the count value of the current position detection counter 70 on the left side of the squeegee in step P356. (Count value of counter) is subtracted, and the left count value difference is calculated and stored in the memory M3.

  Next, in step P357, the current position on the left side of the squeegee is calculated from the left count value difference and stored in the memory M4. Then, in step P358, the current position display 63 on the left side of the squeegee is displayed. Output.

  Next, in step P359, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5. Then, in step P360, the origin position (count value of the counter) on the right side of the squeegee is read from the memory M6. .

  Next, in step P361, the origin position on the right side of the squeegee (count value of the counter) is subtracted from the count value of the current position detection counter 74 on the right side of the squeegee, the right side count value difference is calculated, and stored in the memory M7. After that, in step P362, the current position on the right side of the squeegee is calculated from the difference in count value on the right side, and stored in the memory M8.

  Next, after outputting the current position on the right side of the squeegee to the current position indicator 64 on the right side of the squeegee in step P363, it is determined in step P364 whether the down button 60 is OFF.

  Next, if yes in Step P364, after stopping the reverse rotation command output to the left adjustment motor driver 68 in Step P365, stop the reverse rotation command output to the right adjustment motor driver 72 in Step P366. The process returns to Step P328. On the other hand, if no in step P364, the process returns to step P354. With the above operation flow, the distance between the origin position of the support shaft 27 and the print position adjusted by the manual operation by the operator during printing is stored as the distance between the new origin position and the print position, in other words, prepared. The print position is stored as a new print position.

  Next, after the origin position (counter value of the counter) on the left side of the squeegee is read from the memory M2 in step P367 transferred from step P153 described above, the distance between the origin position on the left side of the squeegee and the dislocation position (step 368). The count value of the counter is read from the memory M14.

  Next, in Step P369, the distance between the origin position on the left side of the squeegee (the count value of the counter) (the count value of the counter) is added to the origin position on the left side of the squeegee (counter value of the counter). (Count value) is calculated and stored in the memory M15, and in step P370, the left position of the squeegee left position (count value of the counter) is overwritten on the count value storage memory 9 of the counter for detecting the left position of the squeegee. To do.

  Next, after the origin position (counter count value) on the right side of the squeegee is read from the memory M6 in step P371, the distance (counter count value) between the origin position on the right side of the squeegee and the disengagement position is stored in step P372. Read from M16.

  Next, in step P373, the distance between the origin position on the right side of the squeegee (the count value of the counter) is added to the origin position on the right side of the squeegee (count value of the counter). (Count value) is calculated and stored in the memory M17, and in step P374, the count value storage memory M10 of the squeegee right-side position detection counter is set to the right position of the squeegee to be removed (count value of the counter). To do.

  Next, in step P375, 0 is overwritten on the count value S of the memory M11, and in step P376, 0 is overwritten in the left adjustment motor rotation direction storage memory M12. Next, in Step P377, 0 is overwritten in the right adjustment motor rotation direction storage memory M13.

  Next, in step P378, the count value is read from the current position detection counter 70 on the left side of the squeegee and stored in the memory M1, and then in step P379, the count value of the left position detection counter for the target squeegee is read from the memory M9. Include.

Next, in step P380, it is determined whether or not the count value of the current position detection counter on the left side of the squeegee = the count value of the left position detection counter of the target squeegee. If yes, the count is performed from the memory M11 in step P382. The value S is read, and then 1 is added to the count value S of the memory M11 in step P383, overwriting, and the process proceeds to step P386 described later.

  If NO in step P380, it is determined in step P381 whether the count value of the current position detection counter on the left side of the squeegee is smaller than the count value of the right position detection counter of the target squeegee. For example, after 1 is overwritten in the left adjustment motor rotation direction storage memory M12 in step P384, a forward rotation command is output to the left adjustment motor driver 68 in step P385.

  Next, if the answer is NO in step P381, 2 is overwritten in the left adjustment motor rotation direction storage memory M12 in step P387, and then a reverse rotation command is output to the left adjustment motor driver 68 in step P388.

  Next, in step P386, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5. Then, in step P389, the count value of the target position on the right side of the squeegee is detected from the memory M10. Read.

Next, in step P390, it is determined whether or not the count value of the current position detection counter on the right side of the squeegee = the count value of the target position detection counter on the right side of the squeegee. If yes, the count is performed from the memory M11 in step P392. The value S is read, and then 1 is added to the count value S of the memory M11 in step P393, overwriting, and the process proceeds to step P396 described later.

  If NO in step P390, it is determined in step P391 whether the count value of the current position detection counter on the right side of the squeegee <the count value of the right position detection counter of the target squeegee. For example, after 1 is overwritten in the right adjustment motor rotation direction storage memory M13 in step P394, a normal rotation command is output to the right adjustment motor driver 72 in step P395.

  Next, if the result is NO in step P391, 2 is overwritten in the right adjustment motor rotation direction storage memory M13 in step P397, and then a reverse rotation command is output to the right adjustment motor driver 72 in step P398.

  Next, after reading the count value S from the memory M11 in step P396, it is determined in step P399 whether the count value S = 2 or not. If yes, in step P401, the total number of revolutions when the squeegee is worn is counted. The output of the enable signal to the counter 76 is stopped and the process returns to Step P11.

  Next, if NO in step P399, the count value is read from the current position detection counter 70 on the left side of the squeegee in step P400 and stored in the memory M1, and then the origin position (counter count of the counter) on the left side of the squeegee is stored in step P402. Value) is read from the memory M2.

  Next, in step P403, the origin position (count value of the counter) on the left side of the squeegee is subtracted from the count value of the current position detection counter 70 on the left side of the squeegee, the left count value difference is calculated, and stored in the memory M3. After that, in step P404, the current position on the left side of the squeegee is calculated from the left count value difference, and stored in the memory M4.

  Next, in step P405, the current position on the left side of the squeegee is output to the current position indicator 63 on the left side of the squeegee. Then, in step P406, the count value of the counter for detecting the left position of the squeegee is read from the memory M9.

  Next, in step P407, it is determined whether or not the count value of the current position detection counter on the left side of the squeegee = the count value of the left position detection counter of the target squeegee. If yes, the left adjustment motor is determined in step P408. While reading the value of the rotation direction storage memory M12, if not, the process proceeds to Step P415 to be described later.

  Next, in step P409, it is determined whether or not the value of the left adjustment motor rotation direction storage memory = 1. If yes, the forward rotation command output to the left adjustment motor driver 68 is stopped in step P410. On the other hand, the process proceeds to Step P411. If NO, it is determined in Step P412 whether the value of the left adjustment motor rotation direction storage memory = 2.

  Next, if yes in Step P412, the reverse rotation command output to the left adjustment motor driver 68 is stopped in Step P413 and the process proceeds to Step P411. If not, the process proceeds to Step P415. Next, after reading the count value S from the memory M11 in step P411, 1 is added to the count value S in the memory M11 and overwritten in step P414.

  Next, in step P415, the count value is read from the current position detection counter 74 on the right side of the squeegee and stored in the memory M5. Then, in step P416, the origin position (count value of the counter) on the right side of the squeegee is read from the memory M6. Include.

  Next, in step P417, the origin position on the right side of the squeegee (count value of the counter) is subtracted from the count value of the current position detection counter 74 on the right side of the squeegee, the right count value difference is calculated, and stored in the memory M7. After that, in step P418, the current position on the right side of the squeegee is calculated from the difference between the count values on the right side, and stored in the memory M8.

  Next, in step P419, the current position on the right side of the squeegee is output to the current position indicator 64 on the right side of the squeegee, and then in step P420, the count value of the target counter for detecting the right position of the squeegee is read from the memory M10.

  Next, in step P421, it is determined whether or not the count value of the current position detection counter on the right side of the squeegee = the count value of the right position detection counter of the target squeegee. If yes, the right adjustment motor is determined in step P422. While the value of the rotation direction storage memory M13 is read, if not, the process returns to Step P396.

  Next, in step P423, it is determined whether or not the value of the right adjustment motor rotation direction storage memory = 1. If yes, the forward rotation command output to the right adjustment motor driver 72 is stopped in step P424. On the other hand, the process proceeds to step P425, and if not, it is determined in step P427 whether or not the value of the right adjustment motor rotation direction storage memory = 2.

  Next, if yes in Step P427, the reverse rotation command output to the right adjustment motor driver 72 is stopped in Step P428 and the process proceeds to Step P425. If not, the process returns to Step P396.

  Next, after reading the count value S from the memory M11 in step P425, 1 is added to the count value S of the memory M11 in step P426, overwriting, and the process returns to step P396. This is repeated thereafter.

  When the squeegee attachment / detachment automatic control is canceled by the above operation flow, the left and right sides of the support shaft 27 are moved to the disengaged positions, and the state of the total rotation number counter 76 when the squeegee is attached is set to the inoperative state. .

  In this way, in this embodiment, in the rotary screen printing machine, the attachment and detachment of the squeegee 38 with respect to the inner peripheral surface of the screen plate 11c and the adjustment of the attachment position can be automatically performed by the motors 36A and 36B. Can improve the operating rate and reduce the amount of waste paper. At this time, in this embodiment, the left and right ends of the support shaft 27 can be adjusted separately on the left and right sides, so that, for example, when the squeegee 38 is exchanged, Correction can be performed without reattaching 38 to the holder 37.

  Moreover, since the origin position for attaching / detaching the squeegee 38 to / from the inner peripheral surface of the screen plate 11c can be adjusted, the attaching / detaching state can be reproduced with high accuracy.

  Further, since the relative position between the origin position and the disengagement position of the squeegee 38 is constant, the control is simple.

  Further, since the relative position between the origin position and the wearing position of the squeegee 38 can be adjusted, the wearing position of the squeegee 38 can always be maintained appropriately.

  Further, since the relative position between the origin position and the wearing position of the squeegee 38 changes according to the amount of adjustment of the wearing position by the operator, the wearing position can be automatically adjusted after the operator has adjusted the wearing position.

  Further, the total number of rotations of the rotary screen cylinder 11 in a state of being attached to the inner peripheral surface of the screen plate 11c of the squeegee 38 after adjusting the origin position for attaching / detaching the squeegee 38 to the inner peripheral surface of the screen plate 11c. The position of the squeegee 38 on the inner peripheral surface of the screen slab 11c is adjusted according to the measured total number of rotations of the rotary screen cylinder 11. The position can be maintained automatically.

  13 is a schematic cross-sectional view of a rotary screen printing unit in a rotary screen printer showing Embodiment 2 of the present invention, FIG. 14 (a) is an explanatory view of an ink supply system, and FIG. 14 (b) is an ink supply pipe. 15A and 15B are control block diagrams of the control device, FIGS. 16A and 16B are operation flow diagrams of the control device, and FIGS. 17A to 17B. (C) is an operation flow diagram of the control device, FIGS. 18 (a) to 18 (d) are operation flow diagrams of the control device, and FIGS. 19 (a) to 19 (c) are operation flow diagrams of the control device. 20 is an operation flow diagram of the control device, FIGS. 21A to 21D are operation flow diagrams of the control device, FIGS. 22A to 22D are operation flow diagrams of the control device, and FIG. a) to FIG. 23 (d) are operation flow diagrams of the control device, and FIG. 24 (a) to FIG. 24 (c) is an operation flow diagram of a controller, FIG. 25 (a) through FIG. 25 (d) shows an operational flowchart of the control device.

  In this embodiment, instead of the left adjustment motor 36A and the right adjustment motor 36B of the support shaft 27 in the first embodiment, a left adjustment stepping motor 81A and a right adjustment stepping motor 81B (see FIG. 15B). 13), and as shown in FIG. 13, a doctor roller 90 is used in place of the squeegee 38 as the ink transfer member.

  The doctor roller 90 has a double structure of a metal inner roller 90a and a rubber outer roller 90b. The left and right end members 91a and 91b fitted inside the inner roller 90a are provided with bearings 92 therebetween. The support shaft 27 is rotatably supported.

  As shown in FIGS. 14A and 14B, an ink supply pipe 92 is installed horizontally in the screen plate 11c, and the ink stored in the external tank 93 is pumped by the ink supply pipe 92. 94 is supplied. Ink is dropped from the ink supply pipe 92 toward the inner peripheral surface of the screen plate 11 c in a multipoint manner in the cylinder axis direction of the rotary screen cylinder 11.

  Accordingly, the outer peripheral surface of the doctor roller 90 is brought into rolling contact with the inner peripheral surface of the screen plate 11c, so that the ink supplied into the screen plate 11c from the ink supply pipe 92 passes through the holes of the screen plate 11c. It will be transferred to the printing surface.

  Since the other configuration is the same as that of the first embodiment, a redundant description will be omitted with reference to FIGS. 1 to 4A and 4B.

  As shown in FIGS. 15A and 15B, the control device 40 of the present embodiment includes a CPU 41, a RAM 42, a ROM 43, and input / output devices 44, 47 to 52, all connected by a BUS line 53. Become. The BUS line 53 includes a count value storage memory M1 for the current position detection counter on the left side of the doctor roller, a memory M2 for storing the origin position (count value of the counter) on the left side of the doctor roller, and a count on the left side. A value difference storage memory M3 and a current position storage memory M4 on the left side of the doctor roller are connected.

  Further, the BUS line 53 includes a memory M5 for storing the current value detection counter on the right side of the doctor roller, a memory M6 for storing the origin position (counter value of the counter) on the right side of the doctor roller, and a difference in the count value on the right side. A storage memory M7 and a current position storage memory M8 on the right side of the doctor roller are connected.

  Further, the BUS line 53 includes a memory M14 for storing the distance between the origin position and the left position of the left side of the doctor roller (counter count value), and a memory M15 for storing the left position of the doctor roller (counter value of the counter). , Memory M16 for storing the distance (counter count value) between the origin position on the right side of the doctor roller (counter count value), memory M17 for storing the right position of the doctor roller (counter value of the counter), when the doctor roller is attached Are connected to a memory M18 for conversion table storage of doctor-roller position correction amount (count value of counter) and a count value storage memory M19 of a counter for total rotation count when the doctor roller is attached.

  Further, the BUS line 53 includes a doctor / roller position correction amount (counter count amount) storage memory M20, a distance between the origin position on the left side of the doctor roller and the printing position (counter count value) storage memory M21, and a doctor. • Memory M22 for storing the printing position on the left side of the roller (counter count value), memory M23 for storing the distance between the origin position and the printing position on the right side of the doctor roller (counting value of the counter), printing on the right side of the doctor roller A position (counter count value) storage memory M24 is connected.

  Further, the left side adjustment stepping motor rotation presence / absence storage memory M25, the right side adjustment stepping motor rotation presence / absence storage memory M26, the left and right movement amount storage memory M27 of the doctor roller, The memory M28 for storing the movement amount on the right side of the roller, the memory M29 for storing the absolute value of the movement amount on the left side of the doctor roller, the memory M30 for storing the absolute value of the movement amount on the right side of the doctor roller, and the stepping motor driver An output command standby time storage memory M31 and a count value storage memory M32 of an internal counter are connected.

  The input / output device 44 includes an origin return switch 54, a left adjustment selection switch 55, a right adjustment selection switch 56, a both-side adjustment selection switch 57, an adjustment completion switch 58, an up button 59, a down button 60, and an origin adjustment completion switch 61. Doctor roller attachment / detachment automatic control switch 62, current position indicator 63 on the left side of the doctor roller, current position indicator 64 on the right side of the doctor roller, input device 65 such as a keyboard, indicator 66 such as a CRT or display, An output device 67 such as a printer or a floppy disk (registered trademark) drive, and a calibration switch 79 are connected.

  A sensor 77 for detecting one rotation of the rotary screen cylinder is connected to the input / output device 47 via a counter 76 for counting the total number of rotations when the doctor roller is attached. The input / output device 48 is connected to a rotary screen cylinder insertion circuit 78. The sensor 77 for detecting one rotation of the rotary screen cylinder is provided in the rotating portion of the rotary screen printer so that one pulse is output every time the rotary screen cylinder makes one rotation. The total rotation number counter 74 counts the number of rotations of the rotary screen cylinder in the operating state.

  A left adjustment stepping motor 81A is connected to the input / output device 49 via a left adjustment stepping motor driver 80, and a current position detection counter 82 on the left side of the doctor roller is connected. The current position detection counter 82 on the left side of the doctor roller is an up / down counter, and increments the count value by 1 every time one forward rotation pulse is output to the left adjustment stepping motor 81A. Every time one reverse pulse is output, the count value is decremented by one.

  A right adjustment stepping motor 81B is connected to the input / output device 50 via a right adjustment stepping motor driver 83, and a current position detection counter 85 on the right side of the doctor roller is connected. Note that the current position detection counter 85 on the right side of the doctor roller is also an up / down counter, and increments the count value by 1 each time one forward pulse is output to the right adjustment stepping motor 81B. Every time one reverse pulse is output, the count value is decremented by one.

  A calibration position detection sensor 86 on the left side of the doctor roller and a calibration position detection sensor 87 on the right side of the doctor roller are connected to the input / output device 51. Calibration position detection sensors 86 and 87 on both the left and right sides of the doctor roller are fixed to the frame 10 and directly detect that the support shaft 27 has moved to a predetermined position above the normal movement range. It is like that. An internal counter 88 is connected to the input / output device 52. The internal counter 88 counts clock pulses for operating the CPU 41, and measures the elapsed time from the start of the operation in the operating state.

  The control operation of such a control device 40 is shown in FIGS. 16 (a) and 16 (b), FIGS. 17 (a) to 17 (c), FIGS. 18 (a) to 18 (d), and FIG. a) to FIG. 19 (c), FIG. 20, FIG. 21 (a) to FIG. 21 (d), FIG. 22 (a) to FIG. 22 (d), FIG. 23 (a) to FIG. This will be described in detail with reference to the operation flowcharts of FIGS. 25 (a) to 24 (c) and FIGS. 25 (a) to 25 (d).

  First, the count value is read from the current position detection counter 82 on the left side of the doctor roller in step P1 and stored in the memory M1, and then the origin position (count value of the counter) on the left side of the doctor roller is stored in the memory M2 in step P2. Read from. Next, in step P3, the origin position (counter value of the counter roller) on the left side of the doctor roller is subtracted from the count value of the current position detection counter 82 on the left side of the doctor roller, and the left count value difference is calculated to obtain the memory M3. To remember.

  Next, in step P4, the current position of the left side of the doctor roller is calculated from the left count value difference and stored in the memory M4. In step P5, the current position indicator 63 on the left side of the doctor roller is sent to the doctor roller. Output the current position on the left side.

  Next, in step P6, the count value is read from the current position detection counter 85 on the right side of the doctor roller and stored in the memory M5. In step P7, the origin position (counter count value) on the right side of the doctor roller is stored in the memory. Read from M6. Next, in step P8, the origin position (counter value of the counter roller) on the right side of the doctor roller is subtracted from the count value of the current position detection counter 85 on the right side of the doctor roller, and the right count value difference is calculated to obtain the memory M7. To remember.

  Next, in step P9, the current position of the right side of the doctor roller is calculated from the count value difference on the right side and stored in the memory M8, and then in step P10, the current position indicator 64 on the right side of the doctor roller is transferred to the doctor roller. Output the current position on the right side.

  Next, in step P11, it is determined whether or not the calibration switch 79 is ON. If yes, in step P12, “current display” 63 is output to the current position indicator 63 on the left side of the doctor roller. If not, the process proceeds to Step P38 described later.

  Next, after outputting “in-calibration display” to the current position indicator 64 on the right side of the doctor roller in step P13, in step P14, 0 is overwritten in the memory M25 for determining whether the left adjustment stepping motor is rotating or not. .

  Next, in step P15, 0 is overwritten in the right adjustment stepping motor rotation presence / absence storage memory M26, and in step P16, a reverse pulse output command for one pulse is output to the left adjustment stepping motor driver 80. .

  Next, in step P17, 1 is overwritten in the memory M25 for whether or not the left adjustment stepping motor is rotated, and in step P18, a reverse pulse output command for one pulse is output to the right adjustment stepping motor driver 83. .

  Next, in step P19, 1 is overwritten in the right adjustment stepping motor rotation presence / absence storage memory M26, and in step P20, the value of the left adjustment stepping motor rotation presence / absence storage memory M25 is read.

  Next, in step P21, it is determined whether or not the value of the left adjustment stepping motor rotation presence / absence storage memory is 0. If yes, the right adjustment stepping motor rotation presence / absence storage memory M26 is checked. While the value is read, if not, the process proceeds to step P28 described later.

  Next, in Step P23, it is determined whether or not the right adjustment stepping motor rotation presence / absence storage memory value = 0. If not, the process proceeds to Step P28 described later. After outputting the reset signal to the current position detection counter 82 on the left side of the roller, the reset signal output to the current position detection counter on the left side of the doctor roller is stopped in Step P25.

  Next, after a reset signal is output to the current position detection counter 85 on the right side of the doctor roller in Step P26, output of the reset signal to the current position detection counter 85 on the right side of the doctor roller is stopped in Step P27. Return to Step P11.

  Next, after reading the value of the left adjustment stepping motor rotation presence / absence storage memory M25 in step P28, whether or not the left adjustment stepping motor rotation presence / absence storage memory value = 0 in step P29. Judging.

  Next, if yes in Step P29, it is determined in Step P30 whether the output of the calibration position detection sensor 86 on the left side of the doctor roller is ON or not. If not, the process proceeds to Step P32 described later.

  Next, if yes in step P30, step P31 overwrites 0 in the left adjustment stepping motor rotation direction storage memory M25 and proceeds to step P32. On the other hand, if no, step P33 left adjustment stepping -Outputs a reverse pulse output command for one pulse to the motor driver 80, and proceeds to Step P32.

  Next, after the value of the right adjustment stepping motor rotation presence / absence storage memory M26 is read in step P32, whether or not the right adjustment stepping motor rotation presence / absence storage memory value = 0 is determined in step P34. Judging.

  Next, if yes in step P34, it is determined in step P35 whether the output of the calibration position detection sensor 87 on the right side of the doctor roller is ON. If not, the process returns to step P20.

  Next, if yes in step P35, the right adjustment stepping / motor rotation direction storage memory M26 is overwritten with 0 in step P36, and the process returns to step P20. If no, the right adjustment stepping A reverse pulse output command for one pulse is output to the motor driver 83, and the process returns to Step P20. Through the above operation flow, the left and right sides of the support shaft 27 are moved to the positions detected by the calibration position detection sensors 86 and 87, and the step-out generated in the control of the stepping motor is corrected.

  Next, it is determined in Step P38 that has shifted from Step P11 described above whether or not the origin return switch 54 is ON. If yes, the origin position (counter value of the counter) on the left side of the doctor roller is stored in the memory M2 in Step P39. If not, the process proceeds to Step P81 to be described later.

  Next, in step P40, the count value is read from the current position detection counter 82 on the left side of the doctor roller and stored in the memory M1, and then in step P41, the doctor position is determined from the origin position (counter count value) on the left side of the doctor roller. The count value of the current position detection counter on the left side of the roller is subtracted, and the amount of movement of the left side of the doctor roller is calculated and stored in the memory M27.

  Next, in step P42, the origin position (counter count value) on the right side of the doctor roller is read from the memory M6, and in step P43, the count value is read from the current position detection counter 85 on the right side of the doctor roller. Store in the memory M5.

  Next, in step P44, the count value of the current position detection counter on the right side of the doctor roller is subtracted from the origin position (count value of the counter) on the right side of the doctor roller, and the movement amount on the right side of the doctor roller is calculated. After the data is stored in the memory M28, the left-hand side adjustment stepping motor rotation presence / absence storage memory M25 is overwritten with 0 in step P45, and the right-side adjustment stepping motor rotation presence / absence storage memory M26 is set to 0 in step P46. Overwrite.

  Next, in step P47, the left side movement amount of the doctor roller is read from the memory M27, and in step P48, it is determined whether or not the left side movement amount of the doctor roller is 0. On the other hand, if NO in step P53, 1 is overwritten in the memory M25 for storing presence / absence of left adjustment stepping motor rotation in step P49.

  Next, in step P50, it is determined whether or not the left side movement amount of the doctor roller> 0. If yes, in step P51, the absolute movement amount on the left side of the doctor roller is determined from the left side movement amount of the doctor roller. After the value is calculated and stored in the memory M29, in step P52, a forward rotation pulse output command corresponding to the absolute value of the movement amount of the left side of the doctor roller is output to the left adjustment stepping motor driver 80, and then in step P53. Migrate to

  Next, if the result is NO in step P50, the absolute value of the left side movement amount of the doctor roller is calculated from the left side movement amount of the doctor roller in step P54 and stored in the memory M29, and then in step P55. A reverse rotation pulse output command corresponding to the absolute value of the movement amount of the left side of the doctor roller is output to the left adjustment stepping motor driver 80, and the process proceeds to Step P53.

  Next, after the amount of movement of the right side of the doctor roller is read from the memory M28 in step P53, it is determined in step P56 whether or not the amount of movement of the right side of the doctor roller is 0. On the other hand, the process proceeds to step P61, which will be described later. On the other hand, if no, 1 is overwritten in the memory M26 for storing whether there is a right adjustment stepping motor rotation or not in step P57.

  Next, in step P58, it is determined whether or not the movement amount of the right side of the doctor roller> 0. If yes, the absolute movement amount of the right side of the doctor roller is determined from the movement amount of the right side of the doctor roller in step P59. After the value is calculated and stored in the memory M30, a forward rotation pulse output command corresponding to the absolute value of the movement amount on the right side of the doctor roller is output to the right adjustment stepping motor driver 83 in step P60, and then in step P61. Migrate to

  If NO in step P58, the absolute value of the right movement amount of the doctor roller is calculated from the right movement amount of the doctor roller in step P62 and stored in the memory M30, and then in step P63. A reverse pulse output command corresponding to the absolute value of the movement amount of the right side of the doctor roller is output to the right adjustment stepping motor driver 83, and the process proceeds to Step P61.

  Next, in step P61, the value in the left adjustment stepping motor rotation presence / absence storage memory M25 is read, and in step P64, the left adjustment stepping motor rotation presence / absence storage memory value = 0. If YES in step P65, the value in the right adjustment stepping motor rotation presence / absence storage memory M26 is read in step P65. If not, the process proceeds to step P67 described later.

  Next, in step P66, it is determined whether or not the right adjustment stepping motor rotation presence / absence storage memory value = 0. If yes, the process returns to step P11. If not, the process proceeds to step P67.

  Next, in step P67, the count value is read from the current position detection counter 82 on the left side of the doctor roller and stored in the memory M1, and then the origin position (counter count value) on the left side of the doctor roller is stored in the memory in step P68. Read from M2.

  Next, in step P69, the origin position (counter count value) on the left side of the doctor roller is subtracted from the count value of the current position detection counter 82 on the left side of the doctor roller, and the left count value difference is calculated. After storing in the memory M3, it is determined in step P70 whether the left count value difference = 0.

  Next, if yes in Step P70, the left-hand side adjustment stepping motor rotation presence / absence storage memory M25 is overwritten with 0 in Step P71 and the process proceeds to Step P72. If not, the process immediately proceeds to Step P72. .

  Next, in step P72, the current position on the left side of the doctor roller is calculated from the left count value difference and stored in the memory M4. Then, in step P73, the current position indicator 63 on the left side of the doctor roller is transferred to the doctor roller. The current position on the left side of is output.

  Next, in step P74, the count value is read from the current position detection counter 85 on the right side of the doctor roller and stored in the memory M5. Then, in step P75, the origin position (counter count value) on the right side of the doctor roller is stored in the memory. Read from M6.

  Next, in step P76, the origin position on the right side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter 85 on the right side of the doctor roller, and the right count value difference is calculated. After storing in the memory M7, it is determined in step P77 whether the right count value difference = 0.

  If yes in step P77, the right-side adjustment stepping motor rotation presence / absence storage memory M26 is overwritten with 0 in step P78, and the process proceeds to step P79. If not, the process immediately proceeds to step P79. .

  Next, in step P79, the current position on the right side of the doctor roller is calculated from the difference in the count value on the right side and stored in the memory M8. Then, in step P80, the current position indicator 64 on the right side of the doctor roller is transferred to the doctor roller. The current position on the right side is output and the process returns to step P61. With the above operation flow, in order to replace the doctor roller 90, both the left and right sides of the support shaft 27 are returned to the origin position when the origin return switch 54 is pressed.

  Next, it is determined in step P81 that has shifted from step P38 described above whether the left adjustment selection switch 55 is ON. If yes, it is determined in step P82 whether the adjustment completion switch 58 is ON. If there is, the process proceeds to Step P109 described later.

  Next, if yes in step P82, the process proceeds to step P109. If no, it is determined in step P83 whether the up button 59 is ON.

  Next, if yes in step P83, a reset signal and an enable signal are output to the internal counter 88 in step P84, while if no, the process proceeds to step P96 described later. Next, the reset signal output to the internal counter 88 is stopped in step P85.

  Next, in step P86, it is determined whether or not the up button 59 is OFF. If yes, the process proceeds to step P96. If not, in step P87, the waiting time for the output command to the stepping motor driver is set. Read from the memory M31.

  Next, in step P88, the count value is read from the internal counter 88 and stored in the memory M32. Then, in step P89, it is determined whether or not the count value of the internal counter ≧ the waiting time for the output command to the stepping motor driver. If yes, in step P90, a normal rotation pulse output command for one pulse is output to the left adjustment stepping motor driver 80, while if no, the process returns to step P86.

  Next, in step P91, the count value is read from the current position detection counter 82 on the left side of the doctor roller and stored in the memory M1, and then the origin position (counter count value) on the left side of the doctor roller is stored in the memory in step P92. Read from M2.

  Next, in step P93, the origin position on the left side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter 82 on the left side of the doctor roller, and the left count value difference is calculated. After storing in the memory M3, in step P94, the current position on the left side of the doctor roller is calculated from the left count value difference and stored in the memory M4.

  Next, in step P95, the current position on the left side of the doctor roller is output to the current position indicator 63 on the left side of the doctor roller, and the process returns to step P84.

  Next, in step P96, it is determined whether or not the down button 60 is ON. If yes, a reset signal and an enable signal are output to the internal counter 88 in step P97. If not, the process returns to step P82. Next, in step P98, the reset signal output to the internal counter 88 is stopped.

  Next, in step P99, it is determined whether or not the down button 60 is OFF. If yes, the process returns to step P82. If not, the wait time for the output command to the stepping motor driver is stored in step P100. Read from M31.

  Next, in step P101, the count value is read from the internal counter 88 and stored in the memory M32. Then, in step P102, it is determined whether or not the count value of the internal counter ≧ the waiting time for the output command to the stepping motor driver. If yes, in step P103, the left-side adjustment stepping motor driver 80 outputs a reverse pulse output command for one pulse. If no, the process returns to step P99.

  Next, in step P104, the count value is read from the current position detection counter 82 on the left side of the doctor roller and stored in the memory M1, and then the origin position (counter count value) on the left side of the doctor roller is stored in the memory in step P105. Read from M2.

  Next, in step P106, the origin position on the left side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter 82 on the left side of the doctor roller, and the left count value difference is calculated. After storing in the memory M3, the current position on the left side of the doctor roller is calculated from the left count value difference in step P107 and stored in the memory M4.

  Next, in step P108, the current position on the left side of the doctor roller is output to the current position indicator 63 on the left side of the doctor roller, and the process returns to step P97.

  Next, in Step P109, it is determined whether or not the right adjustment selection switch 56 is ON. If yes, it is determined in Step P110 whether or not the adjustment completion switch 58 is ON. If not, Step P137 described later is determined. Migrate to

  Next, if yes in step P110, the process proceeds to step P137. If no, it is determined in step P111 whether the up button 59 is ON.

  Next, if yes in step P111, a reset signal and an enable signal are output to the internal counter 88 in step P112, while if no, the process proceeds to step P124 described later. Next, in step P113, the reset signal output to the internal counter 88 is stopped.

  Next, in step P114, it is determined whether or not the up button 59 is OFF. If yes, the process proceeds to step P124. If not, in step P115, the waiting time for the output command to the stepping motor driver is set. Read from the memory M31.

  Next, in step P116, the count value is read from the internal counter 88 and stored in the memory M32. Then, in step P117, it is determined whether or not the count value of the internal counter ≧ the waiting time for the output command to the stepping motor driver. If yes, in step P118, a normal rotation pulse output command for one pulse is output to the right adjustment stepping motor driver 83, and if no, the process returns to step P114.

  Next, in step P119, the count value is read from the current position detection counter 85 on the right side of the doctor roller and stored in the memory M5. Then, in step P120, the origin position (counter count value) on the right side of the doctor roller is stored in the memory. Read from M6.

  Next, in Step P121, the origin position on the right side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter 85 on the right side of the doctor roller, and the right count value difference is calculated, After storing in the memory M7, the current position of the right side of the doctor roller is calculated from the right count value difference in step P122 and stored in the memory M8.

  Next, in step P123, the current position on the right side of the doctor roller is output to the current position indicator 64 on the right side of the doctor roller, and the process returns to step P112.

  Next, in step P124, it is determined whether or not the down button 60 is ON. If yes, a reset signal and an enable signal are output to the internal counter 88 in step P125. If no, the process returns to step P110. Next, in step P126, the reset signal output to the internal counter 88 is stopped.

  Next, in Step P127, it is determined whether or not the down button 60 is OFF. If yes, the process returns to Step P110. If not, Step P128 stores the waiting time for the output command to the stepping motor driver. Read from M31.

  Next, in step P129, the count value is read from the internal counter 88 and stored in the memory M32. Then, in step P130, it is determined whether or not the count value of the internal counter ≧ the waiting time for the output command to the stepping motor driver. If yes, in step P131, a reverse pulse output command for one pulse is output to the right adjustment stepping motor driver 80. If no, the process returns to step P127.

  Next, in step P132, the count value is read from the current position detection counter 85 on the right side of the doctor roller and stored in the memory M5. Then, in step P133, the origin position on the right side of the doctor roller (counter count value) is stored in the memory. Read from M6.

  Next, in step P134, the origin position on the right side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter 85 on the right side of the doctor roller, and the right count value difference is calculated. After being stored in the memory M7, the current position on the right side of the doctor roller is calculated from the right count value difference in step P135 and stored in the memory M8.

  Next, in step P136, the current position on the right side of the doctor roller is output to the current position indicator 64 on the right side of the doctor roller, and the process returns to step P125.

  Next, in step P137, it is determined whether or not the double side adjustment selection switch 57 is ON. If yes, it is determined in step P138 whether or not the adjustment completion switch 58 is ON. Migrate to

  Next, if yes in step P138, the process proceeds to step P177. If no, it is determined in step P139 whether the up button 59 is ON.

  Next, if yes in step P139, a reset signal and an enable signal are output to the internal counter 88 in step P140. If no, the process proceeds to step P158 described later. Next, in step P141, the reset signal output to the internal counter 88 is stopped.

  Next, in step P142, it is determined whether or not the up button 59 is OFF. If yes, the process proceeds to step P158. If not, in step P143, the waiting time for the output command to the stepping motor driver is set. Read from the memory M31.

  Next, in step P144, the count value is read from the internal counter 88 and stored in the memory M32. Then, in step P145, it is determined whether or not the count value of the internal counter ≧ the waiting time for the output command to the stepping motor driver. If yes, in step P146, the left-side adjustment stepping motor driver 80 outputs a normal pulse output command for one pulse, whereas if no, the process returns to step P142.

  Next, after outputting a forward pulse output command for one pulse to the right adjustment stepping motor driver 83 in step P147, the count value is read from the current position detection counter 82 on the left side of the doctor roller in step P148. And stored in the memory M1. Next, in step P149, the origin position (counter value of the counter) on the left side of the doctor roller is read from the memory M2.

  Next, in step P150, the origin position on the left side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter 82 on the left side of the doctor roller, and the left count value difference is calculated. After storing in the memory M3, the current position of the left side of the doctor roller is calculated from the left count value difference in step P151 and stored in the memory M4.

  Next, in step P152, the current position on the left side of the doctor roller is output to the current position indicator 63 on the left side of the doctor roller. In step P153, the count value is obtained from the current position detection counter 85 on the right side of the doctor roller. After reading and storing in the memory M5, in step P154, the origin position on the right side of the doctor roller (count value of the counter) is read from the memory M6.

  Next, in step P155, the origin position on the right side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter 85 on the right side of the doctor roller, and the difference in the count value on the right side is calculated. After being stored in the memory M7, the current position on the right side of the doctor roller is calculated from the right count value difference in step P156 and stored in the memory M8.

  Next, in step P157, the current position on the right side of the doctor roller is output to the current position indicator 64 on the right side of the doctor roller, and the process returns to step P140.

  Next, in step P158, it is determined whether or not the down button 60 is ON. If yes, a reset signal and an enable signal are output to the internal counter 88 in step P159. If no, the process returns to step P138. Next, in step P160, the reset signal output to the internal counter 88 is stopped.

  Next, in step P161, it is determined whether or not the down button 60 is OFF. If yes, the process returns to step P138. If not, the waiting time for the output command to the stepping motor driver is stored in step P162. Read from M31.

  Next, in step P163, the count value is read from the internal counter 88 and stored in the memory M32. Then, in step P164, it is determined whether the count value of the internal counter ≧ the waiting time for the output command to the stepping motor driver. If yes, in step P165, the left adjustment stepping motor driver 80 outputs a reverse pulse output command for one pulse. If no, the process returns to step P161.

  Next, after outputting a reverse pulse output command for one pulse to the right adjustment stepping motor driver 83 in step P166, the count value is read from the current position detection counter 82 on the left side of the doctor roller in step P167, Store in the memory M1. Next, in step P168, the origin position (counter value of the counter) on the left side of the doctor roller is read from the memory M2.

  Next, in step P169, the origin position on the left side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter 82 on the left side of the doctor roller, and the left count value difference is calculated. After storing in the memory M3, the current position on the left side of the doctor roller is calculated from the left count value difference in step P170, and stored in the memory M4.

  Next, in step P171, the current position on the left side of the doctor roller is output to the current position indicator 63 on the left side of the doctor roller. Then, in step P172, the count value is obtained from the current position detection counter 85 on the right side of the doctor roller. After reading and storing in the memory M5, in step P173, the origin position (counter value of the counter roller) on the right side of the doctor roller is read from the memory M6.

  Next, in step P174, the origin position on the right side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter 85 on the right side of the doctor roller, and the right count value difference is calculated. After storing in the memory M7, in step P175, the current position on the right side of the doctor roller is calculated from the difference in the count value on the right side, and stored in the memory M8.

  Next, in step P176, the current position on the right side of the doctor roller is output to the current position indicator 64 on the right side of the doctor roller, and the process returns to step P159. With the above operation flow, the origin position of the support shaft 27 is adjusted after the replacement of the doctor roller 90 by the operator's manual operation, in other words, the doctor roller 90 is parallelized.

  Next, it is determined whether or not the origin adjustment completion switch 61 is ON in Step P177 and Step P177 transferred from Step P138 described above. If yes, the current position detection counter 82 on the left side of the doctor roller is determined in Step P178. The count value is read and stored in the memory M1, while if not, the process proceeds to Step P186 described later.

  Next, after the count value of the current position detection counter 82 on the left side of the doctor roller is overwritten in the memory M2 for storing the origin position (count value of the counter) on the left side of the doctor roller in Step P179, the doctor 0 is output to the current position indicator 63 on the left side of the roller.

  Next, in step P181, the count value is read from the current position detection counter 85 on the right side of the doctor roller and stored in the memory M5. Then, in step P182, the count value of the current position detection counter 85 on the right side of the doctor roller is set. The origin position (count value of the counter) on the right side of the doctor roller is overwritten in the memory M6.

  Next, after outputting 0 to the current position indicator 64 on the right side of the doctor roller in Step P183, a reset signal is outputted to the counter 76 for counting the total number of revolutions when the doctor roller is attached in Step P184. Next, in step P185, the reset signal output to the counter 76 for counting the total number of revolutions when the doctor roller is attached is stopped, and the process returns to step P11. By the above operation flow, the origin position of the support shaft 27 after the replacement of the doctor roller 90 adjusted by the operator by manual operation is stored as a new origin position thereafter, and the total number of revolutions when the doctor roller is attached is counted. The state of the counter 76 is initialized (reset).

  Next, it is determined in Step P186 that has shifted from Step P177 described above whether or not the doctor / roller automatic attachment / detachment automatic control switch 62 is ON. If YES in Step P187, it is determined whether or not the doctor / roller automatic attachment / detachment automatic control switch 62 is OFF. If NO, the process returns to Step P11.

  Next, if yes in Step P187, the process proceeds to Step P408, which will be described later. If not, in Step P188, whether or not the case signal of the rotary screen cylinder 11 is ON from the rotary screen cylinder case circuit 78. Determine whether.

  Next, if yes in step P188, the process proceeds to step P242 described later. If no, the origin position (counter value of the counter) on the left side of the doctor roller is read from the memory M2 in step P189.

  Next, in step P190, the distance between the left and right origin positions of the doctor roller (counter count value) is read from the memory M14, and in step P191, the left origin position of the doctor roller (counter count). Value) is added to the distance between the home position and the left position of the doctor roller (counter count value), and the left position of the doctor roller (counter count value) is calculated and stored in the memory M15. To do.

  Next, in step P192, the count value is read from the current position detection counter 82 on the left side of the doctor roller and stored in the memory M1, and then in step P193, the doctor roller is detected from the left position (counter count value) of the doctor roller. The count value of the current position detection counter on the left side of the roller is subtracted, and the amount of movement of the left side of the doctor roller is calculated and stored in the memory M27.

  Next, in step P194, the origin position on the right side of the doctor roller (counter count value) is read from the memory M6, and in step P195, the distance between the origin position on the right side of the doctor roller and the removal position (counter count) Value) is read from the memory M16. Next, in step P196, the distance between the origin position on the right side of the doctor roller (the count value of the counter) is added to the origin position on the right side of the doctor roller (the count value of the counter), and the right side of the doctor roller The disengagement position (count value of the counter) is calculated and stored in the memory M17.

  Next, in step P197, the count value is read from the current position detection counter 85 on the right side of the doctor roller and stored in the memory M5. Then, in step P198, the doctor roller is deselected from the position on the right side of the doctor roller (counter count value). The count value of the current position detection counter on the right side of the roller is subtracted, and the movement amount on the right side of the doctor roller is calculated and stored in the memory M28.

  Next, in step P199, 0 is overwritten in the memory M25 for presence / absence of left-side adjustment stepping motor, and then in step P200, 0 is overwritten in the memory M26 for presence / absence of right-side adjustment stepping motor.

  Next, in step P201, the left side movement amount of the doctor roller is read from the memory M27, and in step P202, it is determined whether or not the left side movement amount of the doctor roller = 0. On the other hand, if NO in step P207, 1 is overwritten in the memory M25 for storing the presence / absence of the left-side adjustment stepping motor rotation in step P203.

  Next, in step P204, it is determined whether or not the left side movement amount of the doctor roller> 0. If yes, in step P205, the absolute value of the left side movement amount of the doctor roller from the left side movement amount of the doctor roller. Is calculated and stored in the memory M29, and in step P206, a forward rotation pulse output command corresponding to the absolute value of the movement amount of the left side of the doctor roller is output to the left adjustment stepping motor driver 80, and then to step P207. Transition.

  If NO in step P204, the absolute value of the left movement amount of the doctor roller is calculated from the left movement amount of the doctor roller in step P208 and stored in the memory M29, and then left in step P209. A reverse rotation pulse output command corresponding to the absolute value of the movement amount of the left side of the doctor roller is output to the adjustment stepping motor driver 80, and the process proceeds to Step P207.

  Next, after reading the amount of movement of the right side of the doctor roller from the memory M28 in step P207, it is determined in step P210 whether the amount of movement of the right side of the doctor roller = 0 or not. On the other hand, if NO in step P215, 1 is overwritten in the memory M26 for storing the presence / absence of the right adjustment stepping motor rotation in step P211.

  Next, in step P212, it is determined whether or not the movement amount of the right side of the doctor roller> 0. If yes, in step P213, the absolute value of the movement amount of the right side of the doctor roller from the movement amount of the right side of the doctor roller. Is calculated and stored in the memory M30, and in step P214, a forward rotation pulse output command corresponding to the absolute value of the movement amount of the right side of the doctor roller is output to the right adjustment stepping motor driver 83, and then to step P215. Transition.

  Next, if the result is NO in step P212, the absolute value of the movement amount on the right side of the doctor roller is calculated from the movement amount on the right side of the doctor roller in step P216 and stored in the memory M30, and then the right side in step P217. A reverse rotation pulse output command corresponding to the absolute value of the movement amount on the right side of the doctor roller is output to the adjustment stepping motor driver 83, and the process proceeds to Step P215.

  Next, in step P215, the value in the memory M25 for storing left / right adjustment stepping / motor rotation is read, and then in step P218, whether the memory value for storing left / right adjustment stepping / motor rotation is 0 is determined. If YES in step P219, the process proceeds to step P219. If NO, the process proceeds to step P221 described later.

  Next, in step P219, the value of the right adjustment stepping motor rotation presence / absence storage memory M26 is read, and then in step P220, the right adjustment stepping motor rotation presence / absence storage memory value = 0. If YES in step P222, output of the enable signal to the counter 76 for counting the total number of revolutions when the doctor roller is attached is stopped, and the process returns to step P187.

  Next, the count value is read from the current position detection counter 82 on the left side of the doctor roller in step P221 and stored in the memory M1, and then the left position of the doctor roller (count value of the counter) is determined in step P223. Read from the memory M15.

  Next, in Step P224, the count value of the current position detection counter on the left side of the doctor roller is subtracted from the left position of the doctor roller (count value of the counter), and the left count value difference is calculated to store the memory. After storing in M3, it is determined in step P225 whether or not the left count value difference = 0.

  Next, if yes in step P225, after overwriting 0 in the left-hand adjustment stepping motor rotation presence / absence storage memory M25 in step P226, the current position detection counter 82 on the left side of the doctor roller in step P227. The count value is read and stored in the memory M1.

  Next, if the result is NO in step P225, the process immediately proceeds to step P227. Next, after the origin position (counter count value) on the left side of the doctor roller is read from the memory M2 in step P228, the doctor roller is determined from the count value of the current position detection counter 82 on the left side of the doctor roller in step P229. The left origin position (count value of the counter) is subtracted, and the left count value difference is calculated and stored in the memory M3.

  Next, in step P230, the current position on the left side of the doctor roller is calculated from the left count value difference and stored in the memory M4. Then, in step P231, the doctor roller is transferred to the current position indicator 63 on the left side of the doctor roller. The current position on the left side of is output.

  Next, in step P232, the count value is read from the current position detection counter 85 on the right side of the doctor roller and stored in the memory M5, and then the right position of the doctor roller (counter count value) is stored in the memory in step P233. Read from M17.

  Next, in step P234, the count value of the current position detecting counter 85 on the right side of the doctor roller is subtracted from the right position of the doctor roller (count value of the counter), and the right count value difference is calculated. After storing in the memory M7, it is determined in step P235 whether or not the right count value difference = 0.

  Next, if yes in step P235, 0 is overwritten in the right-hand adjustment stepping motor rotation presence / absence storage memory M26 in step P236, and then in step P237, the current position detection counter 85 on the right side of the doctor roller is used. The count value is read and stored in the memory M5.

  Next, if the result is NO in step P235, the process immediately proceeds to step P237. Next, in step P238, the origin position (counter count value) on the right side of the doctor roller is read from the memory M6. The right-side origin position (count value of the counter) is subtracted, the right-side count value difference is calculated, and stored in the memory M7.

  Next, in step P240, the current position on the right side of the doctor roller is calculated from the count value difference on the right side and stored in the memory M8. Then, in step P241, the current position indicator 64 on the right side of the doctor roller is transferred to the doctor roller. The current position on the right side is output, and the process returns to Step P215. According to the above operation flow, when the cylinder insertion signal of the rotary screen cylinder 11 is not ON, in other words, when printing is not being performed on the rotary screen cylinder 11, both the left and right sides of the support shaft 27 are moved away from each other. While moving, the state of the counter 76 for counting the total number of revolutions when the doctor roller is attached is set to an inoperative state.

  Next, after reading from the memory M18 a conversion table of the total number of rotations when the doctor roller is attached-doctor roller position correction amount (count value of the counter) in step P242 transferred from step P188 described above, the doctor in step P243. The count value is read from the counter 76 for counting the total number of revolutions when the roller is attached, and stored in the memory M19.

  Next, in step P244, using the conversion table of the total rotation speed when the doctor roller is attached to the doctor roller position correction amount (counter count value), from the count value of the counter for counting the total rotation speed when the doctor roller is attached. The doctor roller position correction amount (counter count value) is obtained and stored in the memory M20, and the origin position (counter count value) on the left side of the doctor roller is read from the memory M2 in step P245.

  Next, in step P246, the distance between the origin position and the printing position on the left side of the doctor roller (the counter count value) is read from the memory M21, and in step P247, the doctor roller position correction amount (counter count value). Are read from the memory M20.

  Next, in step P248, the distance between the origin position on the left side of the doctor roller and the printing position (count value of the counter) and the doctor roller position correction amount (counter) ), And the printing position (counter count value) on the left side of the doctor roller is calculated and stored in the memory M22. Then, in step P249, the current position detection counter 82 on the left side of the doctor roller is used. The count value is read and stored in the memory M1.

  Next, in step P250, the count value of the current position detection counter on the left side of the doctor roller is subtracted from the printing position on the left side of the doctor roller (count value of the counter), and the amount of movement of the left side of the doctor roller is calculated. In step P251, the origin position (counter value of the counter) on the left side of the doctor roller is read from the memory M2.

  Next, in step P252, the distance between the origin position on the right side of the doctor roller and the printing position (counter count value) is read from the memory M23, and in step P253, the doctor roller position correction amount (counter count value). Are read from the memory M20.

  Next, in step P254, the origin position on the right side of the doctor roller (counter count value) is changed to the distance between the origin position on the right side of the doctor roller and the printing position (count value of the counter) and the doctor roller position correction amount (counter). ), And the printing position (counter count value) on the right side of the doctor roller is calculated and stored in the memory M24. Then, in step P255, the current position detection counter 82 on the right side of the doctor roller is used. The count value is read and stored in the memory M1.

  Next, in step P256, the count value of the current position detection counter on the right side of the doctor roller is subtracted from the printing position on the right side of the doctor roller (count value of the counter), and the movement amount on the right side of the doctor roller is calculated. Then, after storing in the memory M28, in step P257, 0 is overwritten in the memory M25 for determining whether or not the left-hand side adjustment stepping motor has been rotated. Next, in step P258, 0 is overwritten in the right-hand adjustment stepping motor rotation presence / absence storage memory M26.

  Next, in step P259, the left side movement amount of the doctor roller is read from the memory M27, and then in step P260, it is determined whether or not the left side movement amount of the doctor roller = 0. On the other hand, if NO in step P265, 1 is overwritten in the memory M25 for storing the presence / absence of the left-side adjustment stepping motor rotation in step P261.

  Next, in step P262, it is determined whether or not the left side movement amount of the doctor roller> 0. If yes, in step P263, the left side movement amount of the doctor roller is determined from the absolute movement amount of the left side of the doctor roller. After the value is calculated and stored in the memory M29, in Step P264, a forward rotation pulse output command corresponding to the absolute value of the movement amount of the left side of the doctor roller is output to the left adjustment stepping motor driver 80, and Step P265 is output. Migrate to

  Next, if the answer is NO in step P262, the absolute value of the left side movement amount of the doctor roller is calculated from the left side movement amount of the doctor roller in step P266 and stored in the memory M29, and then in step P267. A reverse rotation pulse output command corresponding to the absolute value of the movement amount of the left side of the doctor roller is output to the left adjustment stepping motor driver 80, and the process proceeds to Step P265.

  Next, after the movement amount on the right side of the doctor roller is read from the memory M28 in step P265, it is determined whether or not the movement amount on the right side of the doctor roller is 0 in step P268. On the other hand, the process proceeds to step P273, but if NO, 1 is overwritten in the memory M26 for storing the presence / absence of the right adjustment stepping motor rotation in step P269.

  Next, in step P270, it is determined whether or not the movement amount of the right side of the doctor roller> 0. If yes, the absolute movement amount of the right side of the doctor roller is determined from the movement amount of the right side of the doctor roller in step P271. After the value is calculated and stored in the memory M30, in Step P272, a forward rotation pulse output command corresponding to the absolute value of the movement amount of the right side of the doctor roller is output to the right adjustment stepping motor driver 83, and then in Step P273. Migrate to

  Next, if the answer is NO in Step P270, the absolute value of the movement amount on the right side of the doctor roller is calculated from the movement amount on the right side of the doctor roller in Step P274 and stored in the memory M30, and then in Step P275. A reverse rotation pulse output command corresponding to the absolute value of the movement amount of the right side of the doctor roller is output to the right adjustment stepping motor driver 83, and the process proceeds to Step P273.

  Next, in step P273, the value of the left adjustment stepping motor rotation presence / absence storage memory M25 is read, and in step P276, the left adjustment stepping motor rotation presence / absence storage memory value = 0. Judging.

  Next, if yes in step P276, the value in the right adjustment stepping motor rotation presence / absence storage memory M26 is read in step P277, and if no, the process proceeds to later-described step P280.

  Next, in step P278, it is determined whether or not the right adjustment stepping motor rotation presence / absence storage memory value is 0. If yes, in step P279, the total rotation number counting counter 76 when the doctor roller is attached is counted. While the enable signal is output and the process proceeds to Step P300 described later, if the result is NO, the process proceeds to Step P280.

  Next, after reading the count value from the current position detection counter 82 on the left side of the doctor roller in step P280 and storing it in the memory M1, the print position (count value of the counter) on the left side of the doctor roller is read in step P281. Read from the memory M22.

  Next, in step P282, the count value of the counter for detecting the current position on the left side of the doctor roller is subtracted from the printing position (count value of the counter) on the left side of the doctor roller, and the count value difference on the left side is calculated. After storing in the memory M3, it is determined in step P283 whether the left count value difference = 0.

  Next, if yes in Step P283, after overwriting 0 in the left adjustment stepping motor rotation presence / absence storage memory M25 in Step P284, the process proceeds to Step P285. If not, the process proceeds to Step P285 immediately. To do.

  Next, in step P285, the count value is read from the current position detection counter 82 on the left side of the doctor roller and stored in the memory M1, and then the origin position (counter count value) on the left side of the doctor roller is stored in the memory in step P286. Read from M2.

  Next, in step P287, the origin position on the left side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter 82 on the left side of the doctor roller, and the left count value difference is calculated. After storing in the memory M3, the current position on the left side of the doctor roller is calculated from the left count value difference in step P288, and stored in the memory M4. Next, in step P289, the current position on the left side of the doctor roller is output to the current position indicator 63 on the left side of the doctor roller.

  Next, in step P290, the count value is read from the current position detection counter 85 on the right side of the doctor roller and stored in the memory M5. Then, in step P291, the print position (count value of the counter) on the right side of the doctor roller is stored in the memory. Read from M24.

  Next, in step P292, the count value of the counter for detecting the current position on the right side of the doctor roller is subtracted from the printing position on the right side of the doctor roller (count value of the counter), and the difference in the count value on the right side is calculated. After storing in the memory M7, it is determined in step P293 whether or not the right count value difference = 0.

  Next, if yes in step P293, 0 is overwritten in the right adjustment stepping motor rotation presence / absence storage memory M26 in step P294, and then the process proceeds to step P295. If not, the process immediately proceeds to step P295. To do.

  Next, in step P295, the count value is read from the current position detection counter 85 on the right side of the doctor roller and stored in the memory M5. Then, in step P296, the origin position on the right side of the doctor roller (counter count value) is stored in the memory. Read from M6.

  Next, in step P297, the origin position on the right side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter on the right side of the doctor roller, and the difference between the count values on the right side is calculated. After being stored in M7, the current position on the right side of the doctor roller is calculated from the right count value difference in step P298 and stored in the memory M8. Next, in step P299, the current position on the right side of the doctor roller is output to the current position indicator 64 on the right side of the doctor roller, and the process returns to step P273. With the above operation flow, when the cylinder insertion signal of the rotary screen cylinder 11 is ON, in other words, when printing is performed with the rotary screen cylinder 11, the left and right sides of the support shaft 27 are moved to the printing position. At the same time, the state of the counter 76 for counting the total number of revolutions when the doctor roller is attached is set to the operating state.

  Next, in step P300 transferred from step P279 described above, it is determined whether or not the left adjustment selection switch 55 is ON. If yes, it is determined in step P301 whether or not the adjustment completion switch 58 is ON. If there is, the process proceeds to Step P305 described later.

  If yes in step P301, the count value is read from the current position detection counter 82 on the left side of the doctor roller in step P302 and stored in the memory M1, and then the origin position on the left side of the doctor roller in step P303. (Count value of counter) is read from the memory M2.

  Next, in step P304, the origin position on the left side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter on the left side of the doctor roller, and the origin position on the left side of the doctor roller minus the printing position. After calculating the distance (count value of the counter) and storing it in the memory M21, the process proceeds to Step P305 described later.

  Next, if not in step P301, it is determined in step P318 whether the up button 59 is ON.

  Next, if yes in step P318, a reset signal and an enable signal are output to the internal counter 88 in step P319, while if no, the process proceeds to step P331 described later. Next, in step P320, the reset signal output to the internal counter 88 is stopped.

  Next, in step P321, it is determined whether or not the up button 59 is OFF. If yes, the process proceeds to step P331. If not, in step P322, the waiting time for the output command to the stepping motor driver is set. Read from the memory M31.

  Next, in step P323, the count value is read from the internal counter 88 and stored in the memory M32. Then, in step P324, it is determined whether or not the count value of the internal counter ≧ the waiting time for the output command to the stepping motor driver. If yes, in step P325, a normal pulse output command for one pulse is output to the left adjustment stepping motor driver 80. If no, the process returns to step P321.

  Next, in step P326, the count value is read from the current position detection counter 82 on the left side of the doctor roller and stored in the memory M1, and then the origin position on the left side of the doctor roller (counter count value) is stored in the memory in step P327. Read from M2.

  Next, in step P328, the origin position on the left side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter 82 on the left side of the doctor roller, and the left count value difference is calculated. After storing in the memory M3, the current position on the left side of the doctor roller is calculated from the left count value difference in step P329 and stored in the memory M4.

  Next, in step P330, the current position on the left side of the doctor roller is output to the current position indicator 63 on the left side of the doctor roller, and the process returns to step P319.

  Next, in step P331, it is determined whether or not the down button 60 is ON. If yes, a reset signal and an enable signal are output to the internal counter 88 in step P332, and if no, the process returns to step P301. Next, in step P333, the reset signal output to the internal counter 88 is stopped.

  Next, in step P334, it is determined whether or not the down button 60 is OFF. If yes, the process returns to step P301. If not, the waiting time for the output command to the stepping motor driver is stored in step P335. Read from M31.

  Next, in step P336, the count value is read from the internal counter 88 and stored in the memory M32. Then, in step P337, it is determined whether or not the count value of the internal counter ≧ the waiting time for the output command to the stepping motor driver. If yes, in step P338, a reverse pulse output command for one pulse is output to the left adjustment stepping motor driver 80. If no, the process returns to step P334.

  Next, in step P339, the count value is read from the current position detection counter 82 on the left side of the doctor roller and stored in the memory M1, and then the origin position (counter count value) on the left side of the doctor roller is stored in the memory in step P340. Read from M2.

  Next, in step P341, the origin position (counter count value) on the left side of the doctor roller is subtracted from the count value of the current position detection counter 82 on the left side of the doctor roller, and the left count value difference is calculated. After storing in the memory M3, the current position on the left side of the doctor roller is calculated from the left count value difference in step P342 and stored in the memory M4.

  Next, in step P343, the current position on the left side of the doctor roller is output to the current position indicator 63 on the left side of the doctor roller, and the process returns to step P332.

  Next, in step P305, it is determined whether or not the right adjustment selection switch 56 is ON. If yes, it is determined in step P306 whether or not the adjustment completion switch 58 is ON. Migrate to

  Next, if yes in step P306, the count value is read from the current position detection counter 85 on the right side of the doctor roller in step P307 and stored in the memory M5, and then the origin position on the right side of the doctor roller in step P308. (Count value of counter) is read from the memory M6.

  Next, in step P309, the origin position on the right side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter on the right side of the doctor roller, and the origin position on the right side of the doctor roller minus the printing position. The distance between them (count value of the counter) is calculated and stored in the memory M23, and then the process proceeds to Step P310 described later.

  Next, if NO in step P306, it is determined in step P344 whether the up button 59 is ON.

  Next, if yes in step P344, a reset signal and an enable signal are output to the internal counter 88 in step P345, while if no, the process proceeds to step P357 described later. Next, in step P346, the reset signal output to the internal counter 88 is stopped.

  Next, in step P347, it is determined whether the up button 59 is OFF. If YES, the process proceeds to step P357. If NO, the waiting time for the output command to the stepping motor driver is determined in step P348. Read from the memory M31.

  Next, in step P349, the count value is read from the internal counter 88 and stored in the memory M32. Then, in step P350, it is determined whether or not the count value of the internal counter ≧ the waiting time for the output command to the stepping motor driver. If yes, in Step P351, a normal pulse output command for one pulse is output to the right adjustment stepping motor driver 80, and if No, the process returns to Step P347.

  Next, in step P352, the count value is read from the current position detection counter 82 on the right side of the doctor roller and stored in the memory M6. Then, in step P353, the origin position on the right side of the doctor roller (counter count value) is stored in the memory. Read from M6.

  Next, in step P354, the origin position on the right side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter 82 on the right side of the doctor roller, and the right count value difference is calculated. After storing in the memory M7, the current position on the right side of the doctor roller is calculated from the difference in the count value on the right side in step P355, and stored in the memory M8.

  Next, in step P356, the current position on the right side of the doctor roller is output to the current position indicator 64 on the right side of the doctor roller, and the process returns to step P345.

  Next, in step P357, it is determined whether or not the down button 60 is ON. If yes, the reset signal and enable signal are output to the internal counter 88 in step P358. If not, the process returns to step P306. Next, in step P359, the reset signal output to the internal counter 88 is stopped.

  Next, in step P360, it is determined whether or not the down button 60 is OFF. If yes, the process returns to step P306. If not, in step P361, the waiting time for the output command to the stepping motor driver is stored in the memory. Read from M31.

  Next, in step P362, the count value is read from the internal counter 88 and stored in the memory M32. Then, in step P363, it is determined whether the count value of the internal counter ≧ the waiting time for the output command to the stepping motor driver. If yes, a reverse pulse output command for one pulse is output to the right adjustment stepping motor driver 83 in step P364. If no, the process returns to step P360.

  Next, in step P365, the count value is read from the current position detection counter 85 on the right side of the doctor roller and stored in the memory M5. Then, in step P366, the origin position on the right side of the doctor roller (counter count value) is stored in the memory. Read from M6.

  Next, in Step P367, the origin position on the right side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter 85 on the right side of the doctor roller, and the right count value difference is calculated. After the data is stored in the memory M7, the current position on the right side of the doctor roller is calculated from the right count value difference in step P368 and stored in the memory M8.

  Next, in step P369, the current position on the right side of the doctor roller is output to the current position indicator 64 on the right side of the doctor roller, and the process returns to step P358.

  Next, it is determined whether or not the both-side adjustment selection switch 57 is ON in step P310 transferred from step P305 and step P309 described above, and if yes, it is determined whether or not the adjustment completion switch 58 is ON in step P311. If NO, the process returns to Step P187.

  Next, if yes in step P311, the count value is read from the current position detection counter 82 on the left side of the doctor roller in step P312 and stored in the memory M1, and then the origin position on the left side of the doctor roller in step P313. (Count value of counter) is read from the memory M2.

  Next, in step P314, the origin position on the left side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter on the left side of the doctor roller, and the origin position on the left side of the doctor roller minus the printing position. The distance (count value of the counter) is calculated and stored in the memory M21. Then, in step P315, the count value is read from the current position detection counter 85 on the right side of the doctor roller and stored in the memory M5.

  Next, in step P316, the origin position (counter count value) on the right side of the doctor roller is read from the memory M6, and in step P317, the doctor roller is determined from the count value of the current position detection counter on the right side of the doctor roller. The right origin position (count value of the counter) is subtracted, the distance between the origin position of the right side of the doctor roller and the printing position (count value of the counter) is calculated and stored in the memory M23, and then the process goes to Step P187. Return.

  If NO in step P311, it is determined in step P370 whether the up button 59 is ON.

  Next, if yes in Step P370, a reset signal and an enable signal are output to the internal counter 88 in Step P371, and if no, the process proceeds to Step P389 described later. Next, in step P372, the reset signal output to the internal counter 88 is stopped.

  Next, in step P373, it is determined whether or not the up button 59 is OFF. If yes, the process proceeds to step P389. If not, in step P374, the waiting time for the output command to the stepping motor driver is set. Read from the memory M31.

  Next, in step P375, the count value is read from the internal counter 88 and stored in the memory M32. Then, in step P376, it is determined whether or not the count value of the internal counter ≧ the waiting time for the output command to the stepping motor driver. If yes, a normal rotation pulse output command for one pulse is output to the left adjustment stepping motor driver 80 in step P377, while if no, the process returns to step P373.

  Next, after outputting a forward pulse output command for one pulse to the right adjustment stepping motor driver 83 in step P378, the count value is read from the current position detection counter 82 on the left side of the doctor roller in step P379. And stored in the memory M1. Next, in step P380, the origin position (counter value of the counter) on the left side of the doctor roller is read from the memory M2.

  Next, in Step P381, the left origin position (counter count value) of the doctor roller is subtracted from the count value of the current position detection counter 82 on the left side of the doctor roller, and the left count value difference is calculated. After storing in the memory M3, the current position on the left side of the doctor roller is calculated from the left count value difference in step P382 and stored in the memory M4.

  Next, after outputting the current position on the left side of the doctor roller to the current position indicator 63 on the left side of the doctor roller in step P383, the count value is obtained from the current position detecting counter 85 on the right side of the doctor roller in step P384. Read and store in memory M5. Next, in step P385, the origin position (count value of the counter) on the right side of the doctor roller is read from the memory M6.

  Next, in step P386, the origin position on the right side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter 85 on the right side of the doctor roller, and the right count value difference is calculated. After storing in the memory M7, the current position on the right side of the doctor roller is calculated from the difference in the count value on the right side in step P387 and stored in the memory M8.

  Next, in step P388, the current position on the right side of the doctor roller is output to the current position indicator 64 on the right side of the doctor roller, and the process returns to step P371.

  Next, in step P389, it is determined whether or not the down button 60 is ON. If yes, a reset signal and an enable signal are output to the internal counter 88 in step P390, and if no, the process returns to step P311. Next, in step P391, the reset signal output to the internal counter 88 is stopped.

  Next, in step P392, it is determined whether or not the down button 60 is OFF. If yes, the process returns to step P311. If not, in step P393, the waiting time for the output command to the stepping motor driver is stored in the memory. Read from M31.

  Next, in step P394, the count value is read from the internal counter 88 and stored in the memory M32. Then, in step P395, it is determined whether or not the count value of the internal counter ≧ the waiting time for the output command to the stepping motor driver. If yes, a normal rotation pulse output command for one pulse is output to the left adjustment stepping motor driver 80 in step P396, and if no, the process returns to step P392.

  Next, after outputting a normal rotation pulse output command for one pulse to the stepping motor driver 83 for right adjustment in step P397, the count value is read from the current position detection counter 82 on the left side of the doctor roller in step P398. And stored in the memory M1. Next, in Step P399, the origin position (counter value of the counter) on the left side of the doctor roller is read from the memory M2.

  Next, in step P400, the home position (counter count value) on the left side of the doctor roller is subtracted from the count value of the current position detection counter 82 on the left side of the doctor roller, and the left count value difference is calculated. After storing in the memory M3, the current position on the left side of the doctor roller is calculated from the left count value difference in step P401 and stored in the memory M4.

  Next, in step P402, the current position on the left side of the doctor roller is output to the current position indicator 63 on the left side of the doctor roller, and then in step P403, the count value is obtained from the current position detection counter 85 on the right side of the doctor roller. Read and store in memory M5. In step P404, the origin position on the right side of the doctor roller (count value of the counter) is read from the memory M6.

  Next, in step P405, the origin position on the right side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter 85 on the right side of the doctor roller, and the right count value difference is calculated. After storing in the memory M7, in step P406, the current position on the right side of the doctor roller is calculated from the right count value difference, and stored in the memory M8.

  Next, in step P407, the current position on the right side of the doctor roller is output to the current position indicator 64 on the right side of the doctor roller, and the process returns to step P390. By the above operation flow, the distance between the origin position of the support shaft 27 and the print position adjusted by the manual operation during printing by the operator is stored as the distance between the new origin position and the print position, in other words, adjusted. The print position is stored as a new print position.

  Next, the origin position (counter value of the counter roller) on the left side of the doctor roller is read from the memory M2 in step P408 transferred from step P187 described above, and then the origin position-deposition position on the left side of the doctor roller in step P409. The distance between them (count value of the counter) is read from the memory M14.

  Next, in Step P410, the distance between the origin position on the left side of the doctor roller (the count value of the counter) is added to the origin position on the left side of the doctor roller (counter count value), and the left side of the doctor roller. Is calculated and stored in the memory M15, and in step P411, the count value is read from the current position detection counter 82 on the left side of the doctor roller and stored in the memory M1.

  Next, in step P412, the count value of the current position detection counter on the left side of the doctor roller is subtracted from the left position of the doctor roller (count value of the counter), and the amount of movement of the left side of the doctor roller is calculated. In step P413, the origin position on the left side of the doctor roller (counter count value) is read from the memory M2.

  Next, after reading the distance (counter count value) between the origin position on the right side of the doctor roller (counter value) from the memory M16 in step P414, the origin position (counter count of the counter) on the right side of the doctor roller is read in step P415. Value) is added to the distance between the origin position and the displacement position on the right side of the doctor roller (counter count value), and the displacement position on the right side of the doctor roller (counter count value) is calculated and stored in the memory M17. To do. In step P416, the count value is read from the current position detection counter 85 on the right side of the doctor roller and stored in the memory M5.

  Next, in step P417, the count value of the current position detection counter on the right side of the doctor roller is subtracted from the right position of the doctor roller (counter count value), and the movement amount on the right side of the doctor roller is calculated. After the data is stored in the memory M28, 0 is overwritten in the memory M25 for the presence / absence of the left-side adjustment stepping motor rotation in Step P418. Next, in step P419, 0 is overwritten in the right-side adjustment stepping motor rotation presence / absence storage memory M26.

  Next, after reading the movement amount of the left side of the doctor roller from the memory M27 in step P420, it is determined whether or not the movement amount of the left side of the doctor roller is 0 in step P421. On the other hand, if NO in step P426, 1 is overwritten in the memory M25 for storing the presence / absence of left-side adjustment stepping motor rotation in step P422.

  Next, in step P423, it is determined whether or not the left side movement amount of the doctor roller> 0. If yes, the left side movement amount of the doctor roller is determined in step P424 from the left side movement amount of the doctor roller. After the value is calculated and stored in the memory M29, in step P425, a forward rotation pulse output command corresponding to the absolute value of the movement amount of the left side of the doctor roller is output to the left adjustment stepping motor driver 80, and then in step P426. Migrate to

  If NO in step P423, the absolute value of the left movement amount of the doctor roller is calculated from the left movement amount of the doctor roller in step P427 and stored in the memory M29, and then in step P428. A reverse rotation pulse output command corresponding to the absolute value of the movement amount of the left side of the doctor roller is output to the left adjustment stepping motor driver 80, and the process proceeds to Step P426.

  Next, after the movement amount on the right side of the doctor roller is read from the memory M28 in step P426, it is determined in step P429 whether or not the movement amount on the right side of the doctor roller is 0. On the other hand, the process proceeds to Step P434. If NO in Step P434, 1 is overwritten in the right adjustment stepping motor rotation presence / absence storage memory M26 in Step P430.

  Next, in step P431, it is determined whether or not the movement amount of the right side of the doctor roller> 0. If yes, the absolute movement amount of the right side of the doctor roller is determined from the movement amount of the right side of the doctor roller in step P432. After the value is calculated and stored in the memory M30, in step P433, a normal rotation pulse output command corresponding to the absolute value of the movement amount of the right side of the doctor roller is output to the right adjustment stepping motor driver 83, and then in step P434. Migrate to

  Next, if the result is NO in step P431, the absolute value of the movement amount on the right side of the doctor roller is calculated from the movement amount on the right side of the doctor roller in step P435 and stored in the memory M30, and then in step P436. A reverse rotation pulse output command corresponding to the absolute value of the movement amount of the right side of the doctor roller is output to the right adjustment stepping motor driver 83, and the process proceeds to Step P434.

  Next, in step P434, the value of the left adjustment stepping motor rotation presence / absence storage memory M25 is read, and in step P437, the left adjustment stepping motor rotation presence / absence storage memory value = 0. Judging.

  Next, if yes in Step P437, the value of the right adjustment stepping motor rotation presence / absence storage memory M26 is read in Step P438. If not, the process proceeds to Step P441 described later.

  Next, in step P439, it is determined whether or not the right adjustment stepping motor rotation presence / absence storage memory value = 0, and if yes, in step P440, to the counter 76 for counting the total number of rotations when the doctor roller is attached. The output of the enable signal is stopped and the process returns to Step P11. If not, the process proceeds to Step P441.

  Next, in step P441, the count value is read from the current position detection counter 82 on the left side of the doctor roller and stored in the memory M1, and then the left position of the doctor roller (count value of the counter) is determined in step P442. Read from the memory M15.

  Next, in step P443, the count value of the current position detection counter on the left side of the doctor roller is subtracted from the left position of the doctor roller (count value of the counter), and the left count value difference is calculated. After storing in the memory M3, in step P444, it is determined whether or not the left count value difference = 0.

  Next, if yes in Step P444, after overwriting 0 in the left adjustment stepping motor rotation presence / absence storage memory M25 in Step P445, the process proceeds to Step P446. If not, the process proceeds to Step P446 immediately. To do.

  Next, in step P446, the count value is read from the current position detection counter 82 on the left side of the doctor roller and stored in the memory M1, and then the origin position (counter count value) on the left side of the doctor roller is stored in the memory in step P447. Read from M2.

  Next, in step P448, the origin position on the left side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter on the left side of the doctor roller, and the left count value difference is calculated to store the memory. After storing in M3, the current position on the left side of the doctor roller is calculated from the left count value difference in step P449 and stored in the memory M4. Next, in step P450, the current position on the left side of the doctor roller is output to the current position indicator 63 on the left side of the doctor roller.

  Next, in step P451, the count value is read from the current position detection counter 85 on the right side of the doctor roller and stored in the memory M5, and then the right position of the doctor roller (counter value of the counter) is stored in the memory in step P452. Read from M17.

  Next, in step P453, the count value of the current position detection counter on the right side of the doctor roller is subtracted from the right position of the doctor roller (count value of the counter), and the right count value difference is calculated. After storing in the memory M7, it is determined in step P454 whether the right count value difference = 0.

  Next, if yes in Step P454, after overwriting 0 in the right adjustment stepping motor rotation presence / absence storage memory M26 in Step P455, the process proceeds to Step P456. If not, the process proceeds to Step P456 immediately. To do.

  Next, in step P456, the count value is read from the current position detection counter 85 on the right side of the doctor roller and stored in the memory M5. Then, in step P457, the origin position on the right side of the doctor roller (counter count value) is stored in the memory. Read from M6.

  Next, in step P458, the origin position on the right side of the doctor roller (count value of the counter) is subtracted from the count value of the current position detection counter on the right side of the doctor roller, and the right count value difference is calculated to store the memory. After being stored in M7, the current position on the right side of the doctor roller is calculated from the right count value difference in step P459 and stored in the memory M8. Next, in step P460, the current position on the right side of the doctor roller is output to the current position indicator 64 on the right side of the doctor roller, and the process returns to step P434. This is repeated thereafter.

  When the doctor / roller attaching / detaching automatic control is canceled by the above operation flow, the left and right sides of the support shaft 27 are moved to the disengaged positions, and the state of the counter for counting the total number of revolutions 76 when the doctor roller is attached is changed Put into operation.

  In this way, also in this embodiment, the stepping motors 81A and 81B can automatically attach and detach the doctor roller 90 with respect to the inner peripheral surface of the screen plate 11c and adjust the attachment position, so the same as in the first embodiment. Action and effect are obtained.

  The present invention is not limited to the above-described embodiments, and various modifications such as application to a stencil printing machine other than a rotary screen printing machine can be made without departing from the gist of the present invention. .

11 Rotary Screen Cylinder 11c Screen Plate 27 Support Shaft 28 Receiving Member 29 Receiving Member 32 Ball Screw 35a, 35b Gear 36A, 36B Motor 38 Squeegee 40 Controller 81A, 81B Stepping Motor 90 Doctor Roller 92 Ink Supply Pipe

Claims (6)

A stencil cylinder that supports the stencil and is rotatably supported;
During printing, the ink stored in the stencil cylinder in contact with the inner peripheral surface of the stencil is transferred to the printing material through the holes of the stencil, and the stencil is stopped when printing is stopped. An ink transfer member away from the inner peripheral surface of
In a rotary stencil printing machine equipped with
Movement of the ink transfer member from the inner peripheral surface of the stencil plate to a position where the ink transfer member is removed, movement to a position for replacement of the ink transfer member, movement of the stencil plate to a landing position and a landing position An ink transfer member position adjusting method for a rotary stencil printing machine, wherein the adjustment is performed by a motor. The ink transfer member is configured such that the positions of both end portions thereof can be independently adjusted,
2. An ink transfer member position adjusting method for a rotary stencil printing machine according to claim 1, wherein an origin position for attaching and detaching with respect to an inner peripheral surface of the stencil plate is adjustable.   3. The method of adjusting an ink transfer member position of a rotary stencil printing machine according to claim 2, wherein the relative position between the origin position and the removal position away from the inner peripheral surface of the stencil when printing is stopped is constant. A stencil cylinder that supports the stencil and is rotatably supported;
During printing, the ink stored in the stencil cylinder in contact with the inner peripheral surface of the stencil is transferred to the printing material through the holes of the stencil, and the stencil is stopped when printing is stopped. An ink transfer member away from the inner peripheral surface of
In a rotary stencil printing machine equipped with
Movement of the ink transfer member from the inner peripheral surface of the stencil plate to a position where the ink transfer member is removed, movement to a position for replacement of the ink transfer member, movement of the stencil plate to a landing position and a landing position The motor to be adjusted,
Control means for driving and controlling the motor;
An ink transfer member position adjusting device for a rotary stencil printing machine.   The origin position for attachment / detachment with respect to the inner peripheral surface of the stencil plate of the ink transfer member configured such that the positions of both end portions can be independently adjusted by the control means can be adjusted. 4. An ink transfer member position adjusting device for a rotary stencil printing machine according to item 4.   6. The ink transfer of a rotary stencil printing press according to claim 5, wherein the control means makes the relative position of the origin position and the position of disengagement away from the inner peripheral surface of the stencil when printing stops. Member position adjusting device.

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