JP5255381B2 - Control device and control method for strip printing machine - Google Patents

Description

  The present invention relates to a control device and a control method for a strip printing machine such as a web rotary printing machine.

  In an offset rotary printing press, the drying time and temperature of the dryer change due to changes in the printing machine status such as the rotational speed of the printing press. The position of the signature conveyed to the section changes.

  Similarly, the amount of air blown to the former and the turn bar changes due to changes in the printing machine state such as the rotation speed of the printing machine, which changes the amount of web bulging, so that the chopper folding part of the folding machine The position of the conveyed signature changes.

  Therefore, conventionally, the operator manually adjusts the position of the former or turn bar in the paper flow direction or the position of the chopper in the left-right direction (side lay) every time the state of the printing press changes.

Japanese Patent Laid-Open No. 08-301495 Japanese Utility Model Publication No. 63-190168 JP 63-57474 A JP-A 64-8168 JP 59-179346 A JP 07-41247 A

  For this reason, there is a problem that the operator has to constantly monitor and adjust, which places a heavy load on the operator and leads to an increase in the amount of damaged paper when discovery is delayed.

  Accordingly, the object of the present invention is orthogonal to the position of the former or turn bar in the belt conveyance direction or the chopper signature conveyance direction according to the calculated amount of expansion and contraction of the belt and the detected end position of the belt. The problem can be solved by automatically adjusting the position of the direction (side ray).

  In order to solve the above-described problems, a control device for a strip printer according to the present invention is configured as follows.

(1) a printing means for printing a pattern on a strip;
Drying means for drying or curing the pattern of the belt-like body printed by the printing means;
A former that folds the belt-shaped body dried or cured by the drying means in a direction parallel to the belt-shaped body transport direction;
Cutting means for cutting the band-shaped body folded by the former in a direction perpendicular to the belt-shaped body conveyance direction to make a signature;
A chopper folding device that folds the signature cut by the cutting means again in a direction parallel to the signature conveying direction;
In a strip printing machine equipped with
First detecting means for detecting the width of the drying means provided from the upstream side the strip of the belt-shaped member transport path,
Second detection means for detecting a width of the belt-like body provided on the downstream side of the drying means of the belt-like body conveyance path;
Control for adjusting the position of the former in the belt-conveying direction of the former or the position of the chopper folding device in the direction perpendicular to the signature conveying direction according to the output of the first detecting means and the output of the second detecting means. Means,
Is provided.

(2) In the above (1), the band printer includes a band position adjusting unit that adjusts a position in a direction perpendicular to the conveyance path of the band, and the first and second detection units include A detector of the belt-like body position adjusting means.

(3) In the above (1), the band printer is configured to transfer the band or the signature in the former of the band or the signature in the middle of the transport path of the band or the signature from the former to the chopper folding device. A third detecting means for detecting the position of the end parallel to the folded conveyance path is provided, and the control means conveys the band-shaped body of the former according to the output from the third detecting means. The position of the direction or the position of the direction orthogonal to the signature conveyance direction of the chopper folding device is adjusted.

(4) printing means for printing a pattern on the belt;
Drying means for drying or curing the pattern of the belt-like body printed by the printing means;
A turn bar that changes the transport direction of the strip heated by the drying means;
A cutting means that cuts the belt-like body whose conveyance direction has been changed by the turn bar in a direction perpendicular to the belt-like body conveyance direction, and makes a signature;
A chopper folding device that folds the signature cut by the cutting means in a direction parallel to the signature conveying direction;
In a strip printing machine equipped with
First detecting means for detecting the width of the drying means provided from the upstream side the strip of the belt-shaped member transport path,
Second detection means for detecting a width of the belt-like body provided on the downstream side of the drying means of the belt-like body conveyance path;
Depending on the output of the first detection means and the output of the second detection means, the position of the turn bar in the direction of conveying the strip or the position of the chopper folding device in the direction perpendicular to the signature conveyance direction is adjusted. Control means to
Is provided.

(5) In the above (4), the band printer includes a band position adjusting unit that adjusts a position in a direction orthogonal to the conveyance path of the band, and the first and second detection units include A detector of the belt-like body position adjusting means.

(6) In the above (4), the band printer is configured to convey the band or the signature in the middle of the conveyance path of the band or the signature from the turn bar to the chopper folding device. A third detecting means for detecting the position of one end parallel to the path is provided, and the control means is arranged in the direction of conveying the belt of the turn bar according to the output from the third detecting means. The position or the position in the direction orthogonal to the signature conveying direction of the chopper folding device is adjusted.

  In order to solve the above-described problems, a method for controlling a strip printer according to the present invention is configured as follows.

(7) printing means for printing a pattern on the belt;
Drying means for drying or curing the pattern of the belt-like body printed by the printing means;
A former that folds the belt-shaped body dried or cured by the drying means in a direction parallel to the belt-shaped body transport direction;
Cutting means for cutting the band-shaped body folded by the former in a direction perpendicular to the belt-shaped body conveyance direction to make a signature;
A chopper folding device that folds the signature cut by the cutting means again in a direction parallel to the signature conveying direction;
In a strip printing machine equipped with
The more drying means and first detecting means for detecting the width of the band-shaped body provided on the upstream side, the band-shaped body provided on the downstream side of the drying means of the strip transport path of the belt-shaped member transport path A second detection means for detecting the width of
Adjusting the position of the former in the direction of transporting the band or the position of the former in the direction perpendicular to the direction of transport of the signature of the chopper folding device according to the output of the first detection means and the output of the second detection means. It is characterized by.

(8) In the above (7), the band printer includes a band position adjusting unit that adjusts a position in a direction orthogonal to the conveyance path of the band, and the first and second detection units include A detector of the belt-like body position adjusting means.

(9) In the above (7), the belt-like body printing machine uses the former of the belt-like body or the signature in the middle of the transport path of the belt-like body or the signature from the former to the chopper folding device. A third detecting means for detecting the position of the end parallel to the folded conveyance path is provided, and the control means conveys the band-shaped body of the former according to the output from the third detecting means. The position of the direction or the position of the direction orthogonal to the signature conveyance direction of the chopper folding device is adjusted.

(10) a printing means for printing a pattern on the belt;
Drying means for drying or curing the pattern of the belt-like body printed by the printing means;
A turn bar that changes the transport direction of the strip heated by the drying means;
A cutting means that cuts the belt-like body whose conveyance direction has been changed by the turn bar in a direction perpendicular to the belt-like body conveyance direction, and makes a signature;
A chopper folding device that folds the signature cut by the cutting means in a direction parallel to the signature conveying direction;
In a strip printing machine equipped with
First detecting means for detecting the width of the drying means provided from the upstream side the strip of the belt-shaped member transport path,
A second detection means for detecting a width of the belt-like body provided downstream of the drying means of the belt-like body conveyance path;
Depending on the output of the first detection means and the output of the second detection means, the position of the turn bar in the direction of conveying the strip or the position of the chopper folding device in the direction perpendicular to the signature conveyance direction is adjusted. It is characterized by doing.

(11) In the above (10), the band printer includes a band position adjusting unit that adjusts a position in a direction orthogonal to the conveyance path of the band, and the first and second detection units include A detector of the belt-like body position adjusting means.

(12) In the above (10), the belt printer presses the belt or signature in the middle of the belt or signature transport path from the turn bar to the chopper folding device. A third detection means for detecting the position of one end parallel to the path is provided, and the position of the turn bar in the direction of transporting the strip or the chopper folding according to the output from the third detection means It is characterized in that the position of the apparatus in the direction orthogonal to the signature conveying direction is adjusted.

  According to the configuration of the present invention, the position of the former and the turn bar in the belt conveyance direction or the position in the direction perpendicular to the chopper signature conveyance direction (side lay) and the calculated amount of expansion and contraction of the belt are detected. It can be automatically adjusted according to the end position of the belt-like body, and the folding position of the signature conveyed to the chopper can always be kept constant. As a result, the burden on the operator can be reduced, the operating rate can be improved, and the increase in generation of waste paper can be reduced.

  Hereinafter, a control device and a control method for a strip printer according to the present invention will be described in detail with reference to the accompanying drawings.

  1A to 1D are block diagrams of a former and a turn bar control device showing Embodiment 1 of the present invention, FIGS. 2A to 2C are operation flow diagrams of the former and the turn bar control device, and FIGS. 3A and 3B are formers. 4A and 4B are operation flow diagrams of the former and the turn bar control device, FIGS. 5A and 5B are operation flow diagrams of the former and the turn bar control device, and FIGS. 6C is an operation flow diagram of the former and turn bar control device, FIGS. 7A and 7B are operation flow diagrams of the former and turn bar control device, and FIGS. 8A to 8C are operation flow diagrams of the former and turn bar control device. 17 is a perspective view of a folding machine in a web rotary printing machine, FIG. 18 is an explanatory diagram of a former air blowing device, and FIG. 20 is an explanatory view of a turn bar air blowing device, FIG. 21 is an explanatory view of a turn bar moving mechanism, FIG. 22 is an explanatory view of a chopper moving mechanism, and FIG. FIG. 24 is an explanatory view of a web guide device.

  As shown in FIG. 23, in the web rotary printing press (strip-shaped body printing machine), the web (strip-shaped body) W continuously supplied from the paper feeding device 200 is first a printing unit (printing means) having four colors. When passing through 300, various types of printing are performed, then when passing through a dryer (drying means) 400, it is heated and dried, and subsequently cooled when passing through the cooling device 500, and then the web When passing through the pass device 600 and the drag device 700, the tension is controlled or the direction is changed, and then the sheet is cut into a predetermined shape and folded by the folding machine 800.

  Web guide devices (band-like body position adjusting means) 210A and 210B are provided upstream (in the illustrated example, the sheet feeding device 200) and downstream (in the illustrated example, the drag device 700) of the dryer 400. As shown in FIG. 24, the web guide devices 210A and 210B include a roll unit 213 composed of a pair of front and rear upper guide rolls 212 as well as a pair of front and rear lower guide rolls 211, and a web of the roll unit 213. Left and right web guide detectors (ultrasonic edge position detectors and the like) 214A and 215A (214B and 215B) that detect the width and the like of the web W that are located downstream in the transport direction are provided ( Note that the specific structure of the web guide devices 210A and 210B is known in Patent Document 1 and the like, and will not be described here with reference to this. The upstream left and right web guide detectors 214A and 215A are the first detection means, and the downstream left and right web guide detectors 214B and 215B are the second detection means. . In addition, the left and right are shown in a state where the upstream side is viewed from the downstream side in the web W conveyance direction, as is the case with most ordinary operators.

  The roll unit 213 has a pair of front and rear upper guide rolls 212 with respect to the pair of front and rear lower guide rolls 211 by a predetermined angle to the left and right with respect to the pivot P by a rotation unit adjusting motor 216A (216B). It can be rotated (oscillated) by θ. The left and right web guide detectors 214A and 215A (214B and 215B) are moved left and right by left and right web guide detector motors 217A and 218A (217B and 218B). It can move in the direction.

  As shown in FIG. 17, the web W fed into the folding machine 800 of the web rotary printing press is half cut in the width direction by the slitter 100, and then one web Wa is turned in a right angle direction by the turn bar 101. Then, it is guided to the origami section through the guide roller 102 and the nipping roller 103. Then, the web Wa is cut and folded in parallel by the cutting cylinder (cutting means) 104, the folding cylinder 105, and the holding cylinder 106 of the origami portion, and is discharged as a 4-page signature Sa1. Further, the signature Sa1 is chopper-folded in a right-angle direction by a chopper (chopper folding device) 107a and discharged as an 8-page signature Sa2.

  The other web Wb is polymerized by the former 108 with the back surfaces facing each other, guided to the origami portion through the lead roller 109 and the nipping roller 103, and cut and parallel diffracted. As a result, the 8-page signature Sb1 is discharged. Further, when the chopper is folded in the right-angle direction by the chopper (chopper folding device) 107b, the 16-page signature Sb2 is discharged.

  As shown in FIG. 18, the former 108 has a large number of air outlets 108c formed in the left and right shoulders of the main body 108a and the nose 108b, and the air blown out from these air outlets 108c allows the other The web Wb is floated to be conveyed and folded. Further, as shown in FIG. 19, the subframe 110 that supports the upper end portion of the former 108 and the base 111 that supports the lower end portion of the former 108 include feed screws 112a and 112b, bevel gears 113a to 113d, a vertical shaft 114, and the former. A drive mechanism including a paper flow direction position adjusting motor 41 (see FIG. 1D) is provided so as to be integrally movable in the left-right direction in the figure, and the paper flow direction position of the former 108 (position in the belt-like body conveyance direction) is set. It can be adjusted. The specific structure of the air blowing device of the former 108 is known from Patent Document 2 and the like, and the specific structure of the moving mechanism of the former 108 is known from Patent Document 3 and the like. Detailed description is omitted.

  As shown in FIG. 20, the turn bar 101 has a large number of air outlets 101a formed in the range of a predetermined length L on the winding surface of one web Wa, and is blown out from these air outlets 101a. One of the webs Wa is floated and conveyed by the air. Further, as shown in FIG. 21, the bosses 115a and 115b that support both the left and right portions of the turn bar 101 include feed screws 116a and 116b, bevel gears 117a to 117d, horizontal shafts 118a and 118b, and paper of the turn bar. A drive mechanism comprising a flow direction position adjusting motor 45 (see FIG. 1D) is provided so as to be able to move integrally in the left and right directions in the figure, and the paper flow direction position of the turn bar 101 (position in the belt conveyance direction). Is adjustable. The specific structure of the air blowing device of the turn bar 101 is known from Patent Document 4 and the like, and the specific structure of the moving mechanism of the turn bar 101 is known from Patent Document 5 and so on. Detailed explanation is omitted here.

  As shown in FIG. 22, the chopper (chopper folding device) 107a, 107b includes a chopper upper table 119 for supporting a chopper blade or the like (not shown), a feed screw 120, a gear mechanism 121, a turn bar side and a former side chopper. The left and right position adjustment motors 53 and 49 (see FIG. 1D) are provided so as to be movable in the vertical direction in the figure, and the left and right positions of the chopper on the turn bar side and the former side (conveyance of signatures). The position in the direction orthogonal to the direction) can be adjusted. Note that the specific structure of the moving mechanism of the choppers 107a and 107b is known from Patent Document 6 and the like, so detailed description thereof will be omitted here with reference to these.

In this embodiment, as shown in FIG. 17, one side parallel to the conveyance direction of one web Wa is in the middle of the web conveyance path between the nipping roller 103 and the cutting cylinder 104 and the folding cylinder 105 of the origami portion. A detector (ultrasonic edge position detector or the like; third detection means) 31 for detecting the position of the end of the ( inner side) 31 and the side of the other web Wb folded by the former 108 A detector (ultrasonic edge position detector or the like; third detection means) 29 on the downstream side of the former that detects the position of the (inner) end is provided. In the present embodiment, the detector 31 on the downstream side of the turn bar is used for the web Wa closer to the center in the left-right direction of the web W before being half-cut by the slitter 100 (direction perpendicular to the conveyance direction of the web W). Although the example provided at the end is shown, conversely, it may be provided at the far end. However, in this case, since a partial length error in the left-right direction of the web W at the time of manufacturing and a detection error due to a fluctuation in the left-right direction extension of the web W at the time of printing occur, the web W It is desirable to provide it at the end near the center in the left-right direction.

  The detector 31 on the downstream side of the turn bar and the detector 29 on the downstream side of the former are respectively a motor 37 (see FIG. 1C) for adjusting the horizontal position of the detector on the downstream side of the turn bar and a detector on the downstream side of the former. A horizontal position adjustment motor 33 (see FIG. 1C) is provided so as to be movable in the width direction of the webs Wa and Wb, and the horizontal position thereof can be adjusted. In the present embodiment, the detector 31 on the downstream side of the turn bar is used for the web Wa closer to the center in the left-right direction of the web W before being half-cut by the slitter 100 (direction perpendicular to the conveyance direction of the web W). Although the example provided at the end is shown, conversely, it may be provided at the far end. However, in this case, since a partial length error in the left-right direction of the web W at the time of manufacturing and a detection error due to a fluctuation in the left-right direction extension of the web W at the time of printing occur, the web W It is desirable to provide it at the end near the center in the left-right direction.

  Left and right web position adjustment motor 217A for the upstream left web guide detector, left and right position adjustment motor 218A for the upstream right side web guide detector, and the downstream left web guide position The detector 217B for adjusting the horizontal position of the detector, the motor 218B for adjusting the horizontal position of the downstream web guide detector, the motor 216A for adjusting the rotational position of the upstream roll unit, and the downstream roll Unit rotation position adjusting motor 216B, turn bar paper flow direction position adjusting motor 45, former paper flow direction position adjusting motor 41, turn bar side and former side chopper horizontal position adjustment motor 53 , 49 and the motor 37 for adjusting the horizontal position of the detector downstream of the turn bar and the horizontal direction of the detector downstream of the former The location adjustment motor 33 is driven and controlled by the former and turn bar control device (control means) 10 described later.

  The former and turn bar control device 10 includes an upstream left web guide detector 214A and an upstream right web guide for the upstream and downstream web guide devices 210A and 210B. Detection of the detector 215A, the downstream web guide detector 214B on the downstream side, the downstream web guide detector 215B on the downstream side, the detector 29 on the downstream side of the former, and the detector 31 on the downstream side of the turn bar. In accordance with the signal, the paper flow direction position (position in the strip transport direction) of the turn bar 101 and the paper flow direction position (position in the strip transport direction) of the former 108 are automatically adjusted (controlled), respectively. It is like that.

  That is, as shown in FIGS. 1A to 1D, the former and turn bar control device 10 includes a CPU 11, a ROM 12, a RAM 13, and input / output devices 14a to 14p all connected by a BUS (bus).

  The BUS (bus line) includes a web width storage memory M1, a web width-counter for detecting a web guide detector count detection table M2 and a web guide detection corresponding to the web width. A counter M value for the counter for detecting the position of the detector and a memory M4 for storing the count value conversion table of the counter for detecting the detector position on the downstream side of the web width-former and for detecting the detector position on the downstream side of the former corresponding to the web width. Counter count value storage memory M5 and web width-counter position detection counter count value conversion table storage memory M6 and turn bar downstream detector position detection corresponding to the web width A counter value storage memory M7 of the counter is connected.

  Further, the BUS (bus line) includes a count value storage memory M8 of a counter for detecting the left and right web guides on the upstream left web guide and a left and right direction of the upstream web guide detector on the upstream side. The count value storage memory M9 of the position detection counter, the count value storage memory M10 of the left and right web position detector of the downstream left web guide detector, and the downstream right web guide detector. Count value storage memory M11 for the left / right direction position detection counter, count value storage memory M12 for the left / right direction position detection counter for the downstream detector of the former, and left / right direction position detection counter for the detector downstream of the turn bar Are connected to the count value storage memory M13.

  Further, the BUS (bus) includes an output storage memory M14 of the upstream left web guide detector, an output storage memory M15 of the upstream right web guide detector, and an upstream web. An output difference storage memory M16 of the guide detector, an absolute value storage memory M17 of the output difference of the upstream web guide detector, and an allowable value storage memory M18 of the output difference of the web guide detector; Output storage memory M19 of the downstream left web guide detector, output storage memory M20 of the downstream right web guide detector, and output difference storage of the downstream web guide detector The absolute value storage memory M22, the upstream web width storage memory M23, the downstream web width storage memory M24, and the web of the output difference between the memory M21 and the downstream web guide detector The expected web width storage memory M26 is connected to the shrinkage ratio storage memory M25.

  Further, the BUS (bus line) includes an expected web width-former paper flow direction position detection counter count value conversion table storage memory M27 and a former paper flow direction position detection counter corresponding to the expected web width. Value storage memory M28, expected web width-former downstream detector reference output conversion table storage memory M29, former downstream detector reference output storage memory M30 corresponding to the expected web width, and downstream of the former Detector output storage memory M31, former downstream detector output difference storage memory M32 and former downstream detector output difference-former paper flow direction position detection counter correction count value conversion table storage For storing the correction count value of the memory M33 and the former paper flow direction position detection counter Mori M34 and is connected.

  Further, the BUS (bus line) includes a count value storage memory M35 of the paper flow direction position detection counter of the target former, a count value storage memory M36 of the paper flow direction position detection counter of the former, and an expected web width. The count value conversion table storage memory M37 of the turn bar paper flow direction position detection counter, the count value storage memory M38 of the turn bar paper flow direction position detection counter corresponding to the expected web width, and the expected web width -Reference output conversion table storage memory M39 of the detector downstream of the turn bar, reference output storage memory M40 of the detector downstream of the turn bar corresponding to the expected web width, and detector of the downstream of the turn bar Output memory M41 and output difference memory M42 and turn bar downstream of detector on the downstream side of the turn bar Difference between detector output and turn-bar paper flow direction position detection counter correction count value conversion table storage memory M43 and turn-bar paper flow direction position detection counter correction count value storage memory M44 Is done.

  Further, the BUS (bus line) includes a count value storage memory M45 of the target turn bar paper flow direction position detection counter and a count value storage memory M46 of the turn bar paper flow direction position detection counter. Web width-former side chopper left / right position detection counter count value conversion table storage memory M47, former chopper left / right direction position detection counter count value storage memory M48 and web corresponding to the web width Count-value conversion table storage memory M49 for the width-turn bar side chopper horizontal position detection counter and count value storage memory M50 for the turn bar side chopper horizontal position detection counter corresponding to the web width Counter for detecting the horizontal position of the chopper on the former side Cement value storage memory 51 and the turn bar side of the count value storage memory 52 in the lateral direction position detection counter of the chopper is connected.

  Connected to the input / output device 14a are a control start switch 15, a control stop switch 16, an input device 17 such as a keyboard, a display 18 such as a CRT or a display, and an output device 19 such as a printer or a floppy disk (registered trademark) drive. Is done.

  A web width setting device 20 is connected to the input / output device 14b.

  The input / output device 14c includes an upstream left web guide detector 214A via an A / D converter 21 and an upstream right web guide detector via an A / D converter 22. 215A is connected to the downstream left web guide detector 214B via the A / D converter 23 and to the downstream right web guide detector 215B via the A / D converter 24. Is done.

  A detector 29 on the downstream side of the former is connected to the input / output device 14d via the A / D converter 28, and a detector 31 on the downstream side of the turn bar is connected to the input / output device 14d via the A / D converter 30. The

  The input / output device 14e includes a motor 217A for adjusting the horizontal position of the left web guide detector on the upstream side via a motor driver 60 for adjusting the horizontal position of the left web guide detector on the upstream side. And a left and right web position detector counter 61 for detecting the left and right web guides on the upstream side, and a rotary encoder for the left and right direction web position adjusting motor of the upstream web guide detector. 62 is connected.

  The input / output device 14f includes an upstream right side web guide detector motor driver 218A via an upstream right side web guide detector via a motor driver 63. Is connected to the rotary encoder for the right and left direction of the web guide detector on the upstream side via the counter 64 for detecting the right and left direction of the web guide detector on the right side of the upstream side. 65 is connected.

  The input / output device 14g includes a left and right web guide detector motor driver 66 for adjusting the left and right web guide detectors on the downstream side and a left and right web position detector motor 217B. Encoder for the left and right web position detector on the downstream side via a counter 67 for detecting the left and right direction web position detector on the downstream side 68 is connected.

  The input / output device 14h includes a downstream right side web guide detector motor driver 69 via a downstream right side web guide detector motor driver 69, and a right side web position detector motor 218B. Encoder for the left and right web position detector of the downstream right side through the counter 70 for detecting the right and left direction of the web guide detector on the right side of the downstream side 71 is connected.

  The input / output device 14i is connected to a detector 33 on the downstream side of the former via a motor driver 32 for adjusting the horizontal position of the detector on the downstream side of the former, and is connected to a motor 33 for adjusting the horizontal direction of the detector on the downstream side of the former. A rotary encoder 35 for adjusting the horizontal position of the detector on the downstream side of the former is connected via a counter 34 for detecting the horizontal position of the detector.

  The input / output device 14j is connected to a detector 37 on the downstream side of the turn bar via a motor driver 36 for adjusting the horizontal position of the detector on the downstream side of the turn bar. A rotary encoder 39 for adjusting the horizontal position of the detector on the downstream side of the turn bar is connected via a counter 38 for detecting the horizontal position of the detector on the downstream side of the turn bar.

  The input / output device 14k includes an upstream roll unit rotational position adjusting motor driver 216A via an upstream roll unit rotational position adjusting motor driver 72 and an upstream side connected to the motor 216A. A rotary encoder 73 for adjusting the rotational position of the roll unit is connected.

  The input / output device 14l includes a downstream roll unit rotational position adjustment motor driver 216B via a downstream roll unit rotational position adjustment motor driver 74 and a downstream drive unit connected to the motor 216B. A rotary encoder 75 for adjusting the rotational position of the roll unit is connected.

  The input / output device 14m is connected to a former paper flow direction position adjustment motor 41 via a former paper flow direction position adjustment motor driver 40, and via a former paper flow direction position detection counter 42. The rotary encoder 43 for the motor for adjusting the paper flow direction position of the former is connected.

  A turn bar paper flow direction position adjustment motor 45 is connected to the input / output device 14n via a turn bar paper flow direction position adjustment motor driver 44. A rotary encoder 47 for a motor for adjusting the position of the paper flow direction of the turn bar is connected through a detection counter 46.

  The input / output device 14o is connected to a motor chopper 49 for adjusting the left and right direction of the former chopper via a motor driver 48 for adjusting the left and right direction of the former chopper, and the left and right position of the former chopper. A rotary encoder 51 for a motor for adjusting the position in the left-right direction of the chopper on the former side is connected via a detection counter 50.

  The input / output device 14p is connected to a turn bar side chopper horizontal position adjustment motor 53 via a turn bar side chopper horizontal position adjustment motor driver 52, and the turn bar side A rotary encoder 55 for adjusting the horizontal position of the chopper on the turn bar side is connected via a counter 54 for detecting the horizontal position of the chopper.

  The control operation of the former and the turn bar control device 10 having the above-described configuration will be described with reference to FIGS. 2A to 2C, 3A, 3B, 4A, 4B, 5A, 5B, 6A to 6C, and 7A. This will be described in detail with reference to the operation flow charts of FIGS. 7B and 8A to 8C.

  First, it is determined whether or not the control start switch 15 is turned on in step P1, and if yes, the process proceeds to step P2. If not, whether or not there is an input to the web width setting unit 20 in step P3. Determine whether.

  Next, if yes in step P3, the web width is read from the web width setting device 20 in step P4 and stored in the memory M1, while if not, the process returns to step P1.

  Next, after the initialization process in Step P2, the count value conversion table of the web width-web guide detector position detection counter is read from the memory M2 in Step P5, and then the web width is determined in Step P6. Read from the memory M1.

  Next, the count value of the web guide detector position detection counter corresponding to the web width is calculated from the web width by using the count value conversion table of the web width-web guide detector position detection counter in step P7. And stored in the memory M3, the count value conversion table of the counter for detecting the detector position on the downstream side of the web width-former is read from the memory M4 in step P8.

  Next, in step P9, the web width is read from the memory M1, and then in step P10, the web width is changed from the web width to the web width using the count value conversion table of the detector position detection counter on the downstream side of the former. The count value of the counter for detecting the detector position on the downstream side of the corresponding former is obtained and stored in the memory M5.

  Next, after reading the count value conversion table of the counter for detecting the detector position downstream of the web width-turn bar in step P11 from the memory M6, the web width is read from the memory M1 in step P12. In step P13, the counter value detection counter on the downstream side of the turn bar corresponding to the web width is counted from the web width by using the count value conversion table of the counter on the downstream side of the web width-turn bar. A value is obtained and stored in the memory M7.

  Next, in step P14, the count value of the web guide detector position detection counter corresponding to the web width is read from the memory M3, and then in step P15, the left and right web guide detectors on the left side of the upstream side are detected. The count value is read from the direction position detection counter 61 and stored in the memory M8.

  Next, in step P16, it is determined whether or not the count value of the web guide detector position detection counter corresponding to the web width = the count value of the left and right direction position detection counter of the upstream left web guide detector. If YES in step P28, the process proceeds to step P28 to be described later. If NO in step P17, the count value of the web guide detector position detection counter corresponding to the web width> the upstream left web guide. It is determined whether or not the count value of the counter for detecting the position in the left-right direction of the detector.

  Next, if yes in Step P17, a forward rotation command is output to the left and right web position detector motor driver 60 of the upstream left web guide detector in Step P18, and then the web width in Step P19. The count value of the web guide detector position detection counter corresponding to is read from the memory M3.

  Next, in step P20, the count value is read from the left and right direction position detection counter 61 of the upstream web guide detector on the upstream side and stored in the memory M8. Then, in step P21, the web guide corresponding to the web width is read. It is determined whether or not the count value of the counter for detecting the position of the detector = the count value of the counter for detecting the position of the left and right direction of the left web guide detector on the upstream side.

  Next, if yes in step P21, in step P22, the forward rotation command output to the motor driver 60 for adjusting the horizontal position of the upstream left web guide detector is stopped, and the process proceeds to step P28 described later. On the other hand, if no, the process returns to Step P19.

  On the other hand, if the answer is NO in Step P17, a reverse rotation command is output to the left / right position adjustment motor driver 60 of the upstream left web guide detector in Step P23, and then the web width is handled in Step P24. The count value of the counter for detecting the web guide position is read from the memory M3.

  Next, in step P25, the count value is read from the left / right direction position detection counter 61 of the upstream left web guide detector and stored in the memory M8, and then in step P26, the web guide corresponding to the web width is read. It is determined whether or not the count value of the counter for detecting the position of the detector = the count value of the counter for detecting the position of the left and right direction of the left web guide detector on the upstream side.

  Next, if yes in Step P26, in Step P27, the output of the reverse rotation command to the left and right web position detector motor driver 60 for the upstream left web guide is stopped and the process proceeds to Step P28 described later. On the other hand, if no, the process returns to Step P24.

  Next, after the count value of the web guide detector position detection counter corresponding to the web width is read from the memory M3 in step P28, the upstream web guide detector on the upstream side is read in step P29. The left and right direction position detection counter 64 reads the count value and stores it in the memory M9.

  Next, in step P30, it is determined whether or not the count value of the web guide detector position detection counter corresponding to the web width = the count value of the left and right direction position detection counter of the upstream web guide detector on the upstream side. If YES in step P42, the process proceeds to step P42 to be described later. If NO in step P31, the count value of the web guide detector position detection counter corresponding to the web width> the upstream web guide on the upstream side. It is determined whether or not the count value of the counter for detecting the position in the left-right direction of the detector.

  Next, if yes in step P31, a forward rotation command is output to the right-and-left position adjustment motor driver 63 of the upstream web guide detector on the upstream side in step P32, and then the web width in step P33. The count value of the web guide detector position detection counter corresponding to is read from the memory M3.

  Next, in step P34, the count value is read from the horizontal position detection counter 64 of the upstream web guide detector on the upstream side and stored in the memory M9. Then, in step P35, the web guide corresponding to the web width is read. It is determined whether or not the count value of the counter for detecting the position of the detector = the count value of the counter for detecting the position of the right and left direction of the web guide detector on the upstream side.

  Next, if yes in Step P35, the forward rotation command output to the motor driver 63 for adjusting the horizontal position of the upstream web guide detector on the upstream side is stopped in Step P36 and the process proceeds to Step P42 described later. On the other hand, if no, the process returns to Step P33.

  On the other hand, if the answer is NO in Step P31, a reverse rotation command is output to the motor driver 63 for adjusting the horizontal position of the upstream web guide detector on the upstream side in Step P37, and then the web width is handled in Step P38. The count value of the counter for detecting the web guide position is read from the memory M3.

  Next, in step P39, the count value is read from the left-right direction position detection counter 64 of the upstream web guide detector and stored in the memory M9. Then, in step P40, the web guide corresponding to the web width is read. It is determined whether or not the count value of the counter for detecting the position of the detector = the count value of the counter for detecting the position of the right and left direction of the web guide detector on the upstream side.

  Next, if yes in Step P40, in Step P41, the output of the reverse rotation command to the motor driver 63 for adjusting the right and left direction of the upstream web guide detector is stopped, and the process proceeds to Step P42 described later. On the other hand, if no, the process returns to Step P38.

  By the above operation flow, the upstream web guide detector 214A on the upstream side and the web guide detector 215A on the right side are initialized according to the web width.

  Next, after the count value of the web guide detector position detection counter corresponding to the web width is read from the memory M3 in step P42, the downstream left web guide detector is read in step P43. The left and right direction position detection counter 67 reads the count value and stores it in the memory M10.

  Next, in step P44, it is determined whether or not the count value of the web guide detector position detection counter corresponding to the web width = the count value of the left and right direction position detection counter of the left web guide detector on the downstream side. If YES in step P56, the process proceeds to step P56 described later. If NO in step P45, the count value of the web guide detector position detection counter corresponding to the web width> the downstream web guide on the downstream side. It is determined whether or not the count value of the counter for detecting the position in the left-right direction of the detector.

  Next, if yes in Step P45, a forward rotation command is output to the left and right web position detector motor driver 66 of the downstream left web guide detector in Step P46, and then the web width in Step P47. The count value of the web guide detector position detection counter corresponding to is read from the memory M3.

  Next, in step P48, the count value is read from the left and right direction position detection counter 67 of the downstream web guide detector and stored in the memory M10. Then, in step P49, the web guide corresponding to the web width is read. It is determined whether or not the count value of the counter for detecting the position of the detector = the count value of the counter for detecting the position in the left-right direction of the left web guide detector on the downstream side.

  Next, if yes in Step P49, in Step P50, the forward rotation command output to the motor driver 66 for adjusting the horizontal position of the left web guide detector on the downstream side is stopped and the process proceeds to Step P56 described later. On the other hand, if no, the process returns to Step P47.

  On the other hand, if the answer is NO in Step P45, a reverse rotation command is output to the motor driver 66 for adjusting the horizontal position of the downstream left web guide detector in Step P51, and then the web width is handled in Step P52. The count value of the counter for detecting the web guide position is read from the memory M3.

  Next, in step P53, the count value is read from the left and right direction position detection counter 67 of the downstream web guide detector and stored in the memory M10. Then, in step P54, the web guide corresponding to the web width is read. It is determined whether or not the count value of the counter for detecting the position of the detector = the count value of the counter for detecting the position in the left-right direction of the left web guide detector on the downstream side.

  Next, if yes in Step P54, in Step P55, the reverse rotation command output to the left and right web position detector on the downstream side to the motor driver 66 for adjusting the horizontal position is stopped, and the process proceeds to Step P56 described later. On the other hand, if no, the process returns to Step P52.

  Next, after the count value of the web guide detector position detection counter corresponding to the web width is read from the memory M3 in step P56, the downstream web guide detector on the downstream side is read in step P57. The left / right direction position detection counter 70 reads the count value and stores it in the memory M11.

  Next, in step P58, it is determined whether or not the count value of the web guide detector position detection counter corresponding to the web width = the count value of the right and left direction position detection counter of the downstream web guide detector. If YES in step P70, the process proceeds to step P70 to be described later. If NO in step P59, the count value of the web guide detector position detection counter corresponding to the web width> the downstream web guide on the right side. It is determined whether or not the count value of the counter for detecting the position in the left-right direction of the detector.

  Next, if yes in Step P59, a forward rotation command is output to the right-and-left position adjustment motor driver 69 of the downstream web guide detector on the downstream side in Step P60, and then the web width in Step P61. The count value of the web guide detector position detection counter corresponding to is read from the memory M3.

  Next, in step P62, the count value is read from the left-right direction position detection counter 70 of the downstream web guide detector and stored in the memory M11. In step P63, the web guide corresponding to the web width is read. It is determined whether or not the count value of the counter for detecting the position of the detector = the count value of the counter for detecting the position in the left and right direction of the right web guide detector on the downstream side.

  Next, if yes in step P63, in step P64, the forward rotation command output to the left and right position adjustment motor driver 69 of the downstream web guide detector is stopped and the process proceeds to step P70 described later. On the other hand, if no, the process returns to Step P61.

  On the other hand, if the answer is NO in step P59, a reverse rotation command is output to the left and right web position detector motor driver 69 of the downstream web guide detector in step P65, and then the web width is handled in step P66. The count value of the counter for detecting the web guide position is read from the memory M3.

  Next, in step P67, the count value is read from the left-right direction position detection counter 70 of the downstream web guide detector and stored in the memory M11. Then, in step P68, the web guide corresponding to the web width is read. It is determined whether or not the count value of the counter for detecting the position of the detector = the count value of the counter for detecting the position in the left and right direction of the right web guide detector on the downstream side.

  Next, if yes in Step P68, in Step P69, the output of the reverse rotation command to the right and left position adjustment motor driver 69 of the downstream web guide detector is stopped and the process proceeds to Step P70 described later. On the other hand, if no, the process returns to Step P66.

  With the above operation flow, the downstream web guide detector 214B on the downstream side and the web guide detector 215B on the right side are initialized according to the web width.

  Next, after the count value of the counter for detecting the detector position on the downstream side of the former corresponding to the web width is read from the memory M5 in Step P70 described above, the position detection in the horizontal direction of the detector on the downstream side of the former is detected in Step P71. The counter value is read from the counter 34 and stored in the memory M12.

  Next, in step P72, it is determined whether or not the count value of the detector position detection counter on the downstream side of the former corresponding to the web width is equal to the count value of the counter for detecting the horizontal position of the detector on the downstream side of the former. If there is, the process proceeds to step P84 to be described later, whereas if not, the count value of the detector position detecting counter on the downstream side of the former corresponding to the web width in step P73> the counter for detecting the horizontal position of the detector on the downstream side of the former. It is determined whether or not the count value is equal.

  Next, if yes in Step P73, a forward rotation command is output to the motor driver 32 for adjusting the horizontal position of the detector downstream of the former in Step P74, and then the former downstream corresponding to the web width in Step P75. The count value of the side detector position detection counter is read from the memory M5.

  Next, in step P76, the count value is read from the counter 34 for detecting the position in the horizontal direction of the detector on the downstream side of the former and stored in the memory M12. Then, the detector position detection on the downstream side of the former corresponding to the web width is detected in step P77. It is determined whether or not the count value of the counter for the counter is equal to the count value of the counter for detecting the horizontal position of the detector on the downstream side of the former.

  Next, if yes in step P77, in step P78, the forward rotation command output to the motor driver 32 for adjusting the horizontal position of the detector downstream of the former is stopped and the process proceeds to step P84 described later. If so, the process returns to Step P75.

  On the other hand, if NO in step P73, a reverse rotation command is output to the motor driver 32 for adjusting the horizontal position of the detector on the downstream side of the former in step P79, and then the downstream side of the former corresponding to the web width is output in step P80. The count value of the detector position detection counter is read from the memory M5.

  Next, in step P81, the count value is read from the counter 34 for detecting the horizontal position of the detector on the downstream side of the former and stored in the memory M12, and then the detector position detection on the downstream side of the former corresponding to the web width is detected in step P82. It is determined whether or not the count value of the counter for the counter is equal to the count value of the counter for detecting the horizontal position of the detector on the downstream side of the former.

  Next, if yes in Step P82, in Step P83, the reverse rotation command output to the motor driver 32 for adjusting the horizontal position of the detector on the downstream side of the former is stopped and the process proceeds to Step P84 described later. If there is, return to Step P80.

  Next, after the count value of the counter for detecting the detector position on the downstream side of the turn bar corresponding to the web width is read from the memory M7 in Step P84, the detector on the downstream side of the turn bar is read in Step P85. The count value is read from the horizontal position detection counter 38 and stored in the memory M13.

  Next, in step P86, it is determined whether or not the count value of the counter for detecting the detector position on the downstream side of the turn bar corresponding to the web width is equal to the count value of the counter for detecting the horizontal position of the detector on the downstream side of the turn bar. If yes, the process proceeds to step P98, which will be described later. If no, the count value of the counter for detecting the detector position on the downstream side of the turn bar corresponding to the web width in step P87> the detection on the downstream side of the turn bar. It is determined whether or not the count value of the counter for detecting the horizontal position of the device is reached.

  Next, if yes in Step P87, a forward rotation command is output to the motor driver 36 for adjusting the horizontal position of the detector on the downstream side of the turn bar in Step P88, and then the web width is handled in Step P89. The count value of the counter for detecting the detector position on the downstream side of the turn bar is read from the memory M7.

  Next, in step P90, the count value is read from the counter 38 for detecting the horizontal position of the detector on the downstream side of the turn bar and stored in the memory M13, and then in the downstream side of the turn bar corresponding to the web width in step P91. It is determined whether or not the count value of the detector position detection counter is equal to the count value of the left and right direction position detection counter of the detector on the downstream side of the turn bar.

  Next, if yes in step P91, in step P92, the forward rotation command output to the motor driver 36 for adjusting the position of the detector on the downstream side of the turn bar is stopped and the process proceeds to step P98 described later. If NO, return to Step P89.

  On the other hand, if NO in step P87, a reverse rotation command is output to the motor driver 36 for adjusting the horizontal position of the detector on the downstream side of the turn bar in step P93, and then the turn corresponding to the web width is output in step P94. The count value of the detector for detecting the detector position on the downstream side of the bar is read from the memory M7.

  Next, in step P95, the count value is read from the counter 38 for detecting the horizontal position of the detector on the downstream side of the turn bar and stored in the memory M13, and then on the downstream side of the turn bar corresponding to the web width in step P96. It is determined whether or not the count value of the detector position detection counter is equal to the count value of the left and right direction position detection counter of the detector on the downstream side of the turn bar.

  Next, if yes in Step P96, in Step P97, the reverse rotation command output to the motor driver 36 for adjusting the horizontal position of the detector on the downstream side of the turn bar is stopped and the process proceeds to Step P98 to be described later. If NO, return to Step P94.

  According to the above operation flow, the detector 29 on the downstream side of the former and the detector 31 on the downstream side of the turn bar are initialized according to the web width.

  Next, in step P98, the output of the upstream left web guide detector 214A is read from the A / D converter 21 connected to the upstream left web guide detector, and the memory M14. In step P99, the output of the upstream web guide detector 215A on the upstream side is read from the A / D converter 22 connected to the upstream web guide detector on the upstream side, and the memory M15 is read. To remember.

  Next, in step P100, the output of the upstream web guide detector 215A is subtracted from the output of the upstream web guide detector 214A on the upstream side, and the output of the upstream web guide detector is subtracted. After calculating the difference and storing it in the memory M16, the absolute value of the output difference of the upstream web guide detector is calculated from the output difference of the upstream web guide detector in step P101, Store in the memory M17.

  Next, in step P102, the allowable value of the output difference of the web guide detector is read from the memory M18, and in step P103, the absolute value of the output difference of the upstream web guide detector> web guide. It is determined whether or not the output difference of the detector for use is acceptable.

  Next, if yes in step P103, the output difference of the upstream web guide detector is read from the memory M16 in step P104. If not, the upstream roll unit rotation is read in step P105. A stop command is output to the position adjustment motor driver 72, and the process proceeds to Step P109 described later.

  Next, in step P106, it is determined whether or not the output difference of the upstream web guide detector> 0. If yes, in step P107, the upstream roll unit rotational position adjusting motor driver 72 is checked. When a negative rotation command is output and the process proceeds to step P109 described later, if not, a reverse rotation command is output to the upstream roll unit rotational position adjustment motor driver 72 at step P108 and a later-described step is performed. Move on to P109.

  Next, in step P109 described above, the output of the downstream left web guide detector 214B is read from the A / D converter 23 connected to the downstream left web guide detector, and the memory M19. In step P110, the output of the downstream right web guide detector 215B is read from the A / D converter 24 connected to the downstream right web guide detector, and the memory M20 is read. To remember.

  Next, in step P111, the output of the downstream web guide detector 215B is subtracted from the output of the downstream web guide detector 214B on the downstream side, and the output of the downstream web guide detector 215B. After calculating the difference and storing it in the memory M21, the absolute value of the output difference of the downstream web guide detector is calculated from the output difference of the downstream web guide detector in step P112, Store in the memory M22.

  Next, in step P113, the allowable value of the output difference of the web guide detector is read from the memory M18, and in step P114, the absolute value of the output difference of the downstream web guide detector> web guide. It is determined whether or not the output difference of the detector for use is acceptable.

  Next, if yes in Step P114, the output difference of the downstream web guide detector is read from the memory M21 in Step P115, while if not, the rotation of the downstream roll unit is rotated in Step P116. A stop command is output to the position adjustment motor driver 74, and the process proceeds to Step P120 described later.

  Next, in step P117, it is determined whether or not the output difference of the downstream web guide detector> 0. If yes, in step P118, the downstream roll unit rotational position adjusting motor driver 74 is checked. When a negative rotation command is output and the process proceeds to step P120, which will be described later, if NO, a reverse rotation command is output to the rotational position adjusting motor driver 74 of the downstream roll unit at step P119, and a later-described step. Move on to P120.

  According to the above operation flow, the upstream web guide device 210A (the roll unit 213) thereof corresponds to the output difference between the upstream web guide detector 214A on the upstream side and the web guide detector 215A on the right side. The web guide device 210B (the roll unit 213) on the downstream side rotates in accordance with the output difference between the web guide detector 214B on the downstream side and the web guide detector 215B on the right side. Then, the center of the web W in the left-right direction is aligned with the center of the web rotary press in the left-right direction.

  Next, after reading the count value of the left and right direction position detection counter of the upstream left web guide detector from the memory M8 in step P120, the upstream right web guide is read in step P121. The count value of the left-right direction position detection counter of the detector is read from the memory M9.

  Next, the output of the upstream left web guide detector is read from the memory M14 in step P122, and then the upstream right web guide detector output is read from the memory M15 in step P123. Read.

  Next, in step P124, the upstream side from the count values of the left and right web position detectors of the upstream left and right web guide detectors and the outputs of the upstream left and right web guide detectors. After the web width is calculated and stored in the memory M23, in step P125, the count value of the counter for detecting the horizontal position of the left web guide detector on the downstream side is read from the memory M10.

  Next, in step P126, the count value of the counter for detecting the left and right direction position of the downstream web guide detector is read from the memory M11, and then the downstream left web guide detection is performed in step P127. The output of the device is read from the memory M19.

  Next, in step P128, the output of the downstream web guide detector on the downstream side is read from the memory M20, and then the left and right web guide detectors on the downstream side are detected in step P129. The web width on the downstream side is calculated from the count value of the counter for the counter and the outputs of the left and right web guide detectors on the downstream side, and stored in the memory M24.

  Next, after the upstream web width is read from the memory M23 in step P130, the downstream web width is divided by the upstream web width in step P131, the web expansion / contraction ratio is calculated, and the memory M25 is calculated. To remember.

  Next, after the web width is read from the memory M1 in step P132, the web width is multiplied by the web expansion / contraction ratio in step P133, the expected web width is calculated, and stored in the memory M26.

  Next, in step P134, the count value conversion table of the counter for detecting the predicted web width-former paper flow direction is read from the memory M27, and then in step P135, the counter for detecting the predicted web width-former paper flow direction position. The count value of the counter for detecting the paper flow direction position of the former corresponding to the expected web width is obtained from the expected web width and stored in the memory M28. By the above operation flow, the count value of the paper flow direction position detection counter of the former corresponding to the expansion and contraction of the web in the left-right direction is obtained.

  Next, in step P136, the expected web width-former downstream detector reference output conversion table is read from the memory M29, and in step P137, the expected web width is read from the memory M26.

  Next, in step P138, the reference output of the detector downstream of the former corresponding to the expected web width is obtained from the expected web width by using the reference output conversion table of the expected web width-former downstream detector, and the memory M30. In step P139, the output of the detector 29 on the downstream side of the former is read from the A / D converter 28 connected to the detector on the downstream side of the former and stored in the memory M31.

  Next, in step P140, the output of the detector downstream of the former is subtracted from the reference output of the detector downstream of the former corresponding to the expected web width, and the output difference of the detector downstream of the former is calculated, and the memory M32 In step P141, the output difference of the downstream detector of the former-the correction count value conversion table of the counter for detecting the paper flow direction position of the former is read from the memory M33.

  Next, in step P142, using the correction difference between the output difference of the detector on the downstream side of the former and the counter for detecting the paper flow direction position of the former, the paper flow of the former is determined based on the output difference of the detector on the downstream side of the former. After the correction count value of the direction position detection counter is obtained and stored in the memory M34, the former paper flow direction position detection counter is determined from the count value of the former paper flow direction position detection counter corresponding to the expected web width in step P143. Is corrected, and the count value of the paper flow direction position detection counter of the target former is calculated and stored in the memory M35. According to the above operation flow, the count value of the paper flow direction position detection counter of the former corresponding to the bulge amount of the web is obtained.

  Next, in step P144, the count value is read from the paper flow direction position detection counter 42 of the former and stored in the memory M36. Then, in step P145, the count value of the target paper flow direction position detection counter of the former = former. It is determined whether or not the count value of the paper flow direction position detection counter is determined.

  Next, if yes in Step P145, the process proceeds to Step P157, which will be described later. If not, in Step P146, the count value of the target paper flow direction position detection counter of the former> former paper flow direction position detection. It is determined whether or not the counter value is a count value.

  Next, if yes in step P146, a normal rotation command is output to the former paper flow direction position adjustment motor driver 40 in step P147, and then in step P148, the target former paper flow direction position detection is performed. The count value of the counter is read from the memory M35.

  Next, in step P149, the count value is read from the paper flow direction position detection counter 42 of the former and stored in the memory M36. Then, in step P150, the count value of the paper flow direction position detection counter of the target former = former. It is determined whether or not the count value of the paper flow direction position detection counter is determined.

  Next, if yes in Step P150, in Step P151, the forward rotation command output to the former paper flow direction position adjusting motor driver 40 is stopped and the process proceeds to Step P157 to be described later. Return to P148.

  On the other hand, if the answer is NO in step P146, a reverse rotation command is output to the former paper flow direction position adjusting motor driver 40 in step P152, and then in step P153, the target paper flow direction position detection counter of the former is detected. The count value is read from the memory M35.

  Next, in step P154, the count value is read from the paper flow direction position detection counter 42 of the former and stored in the memory M36. Then, in step P155, the count value of the target paper flow direction position detection counter of the former = former. It is determined whether or not the count value of the paper flow direction position detection counter is determined.

  Next, if yes in Step P155, in Step P156, the reverse rotation command output to the motor driver 40 for adjusting the paper flow direction position of the former is stopped and the process proceeds to Step P157 to be described later. Return to.

  By the above operation flow, the output of the upstream left web guide detector 214A and the right web guide detector 215A, the downstream left web guide detector 214B and the right web guide The expected web width is calculated based on the output of the detector 215B, and the paper flow direction position of the former 108 is automatically adjusted according to the calculated expected web width, and the downstream detection of the former is expected from the expected web width. The correction count value of the former paper flow direction position detection counter corresponding to the web bulge amount is obtained based on the reference output and the actual output of the device 29, and the paper flow direction of the former 108 is determined according to the obtained correction count value. The position is automatically adjusted.

  Next, after reading the count value conversion table of the expected web width-turn bar paper flow direction position detection counter from the memory M37 in step P157 described above, the expected web width is read from the memory M26 in step P158. Include.

  Next, in step P159, using the count value conversion table of the expected web width-turn bar paper flow direction position detection counter, the turn bar paper flow direction position detection corresponding to the expected web width is obtained from the expected web width. The count value of the counter is obtained and stored in the memory M38. With the above operation flow, the count value of the counter for detecting the paper flow direction position of the turn bar corresponding to the expansion and contraction of the web in the left-right direction is obtained.

  Next, in step P160, the reference output conversion table of the detector on the downstream side of the expected web width-turn bar is read from the memory M39, and then the expected web width is read from the memory M26 in step P161.

  Next, in step P162, the reference output of the detector on the downstream side of the turn bar corresponding to the expected web width is calculated from the expected web width using the reference output conversion table of the expected web width-downstream bar downstream side detector. After obtaining and storing in the memory M40, the output of the detector 31 on the downstream side of the turn bar is read from the A / D converter 30 connected to the detector on the downstream side of the turn bar in step P163 and stored in the memory M41. To do.

  Next, in step P164, the output of the detector downstream of the turn bar is subtracted from the reference output of the detector downstream of the turn bar corresponding to the expected web width, and the output difference of the detector downstream of the turn bar is calculated. After calculating and storing in the memory M42, in step P165, the output difference of the detector on the downstream side of the turn bar-the correction count value conversion table of the counter for detecting the paper flow direction position of the turn bar is read from the memory M43. .

  Next, in step P166, the output difference of the detector on the downstream side of the turn bar using the correction count value conversion table of the counter for detecting the paper flow direction position of the turn bar on the downstream side of the turn bar. Thus, after obtaining the correction count value of the counter for detecting the paper flow direction position of the turn bar and storing it in the memory M44, the count value of the counter for detecting the paper flow direction position of the turn bar corresponding to the expected web width in step P167. Then, the correction count value of the counter for detecting the paper flow direction position of the turn bar is subtracted, and the count value of the target counter for detecting the paper flow direction position of the turn bar is calculated and stored in the memory M45. With the above operation flow, the count value of the counter for detecting the paper flow direction position of the turn bar corresponding to the amount of bulging of the web is obtained.

  Next, in step P168, the count value is read from the counter 46 for detecting the paper flow direction position of the turn bar and stored in the memory M46. Then, in step P169, the target counter for detecting the paper flow direction position of the turn bar is detected. It is determined whether or not the count value is the count value of the counter for detecting the paper flow direction position of the turn bar.

  Next, if yes in step P169, the process proceeds to step P181 to be described later, whereas if no, the count value of the target counter for detecting the paper flow direction of the turn bar in step P170> the paper of the turn bar. It is determined whether or not the count value of the flow direction position detection counter.

  Next, if yes in step P170, a normal rotation command is output to the motor driver 44 for adjusting the paper flow direction position of the turn bar in step P171, and then the target paper flow of the turn bar in step P172. The count value of the direction position detection counter is read from the memory M45.

  Next, in step P173, the count value is read from the counter 46 for detecting the paper flow direction position of the turn bar and stored in the memory M46. Then, in step P174, the target counter for detecting the paper flow direction position of the turn bar is detected. It is determined whether or not the count value is the count value of the counter for detecting the paper flow direction position of the turn bar.

  Next, if yes in step P174, in step P175, the forward rotation command output to the motor driver 44 for adjusting the paper flow direction position of the turn bar is stopped and the process proceeds to step P181 to be described later. Return to Step P172.

  On the other hand, if NO in step P170, a reverse rotation command is output to the motor driver 44 for adjusting the paper flow direction position of the turn bar in step P176, and then the target paper flow direction position of the turn bar in step P177. The count value of the detection counter is read from the memory M45.

  Next, in step P178, the count value is read from the counter 46 for detecting the paper flow direction position of the turn bar and stored in the memory M46. Then, in step P179, the counter for detecting the paper flow direction position of the target turn bar is detected. It is determined whether or not the count value is the count value of the counter for detecting the paper flow direction position of the turn bar.

  Next, if yes in step P179, in step P180, the reverse rotation command output to the motor driver 44 for adjusting the paper flow direction position of the turn bar is stopped and the process proceeds to step P181 described later. The process returns to Step P177.

According to the above operation flow, the paper flow direction position of the turn bar 101 is automatically adjusted according to the calculated expected web width and the turn bar according to the amount of bulging of the web, similarly to the former 108 described above. The paper flow direction position 101 is automatically adjusted.

  Next, the web width is read from the memory M1 in step P182 after reading the count value conversion table of the web width-former side chopper left-right direction position detection counter from the memory M47 in step P181.

  Next, using the count value conversion table of the web width-former side chopper left-right position detection counter in step P183, the former-side chopper left-right position detection counter corresponding to the web width is determined from the web width. After the count value is obtained and stored in the memory M48, the count value conversion table of the counter for detecting the horizontal position of the chopper on the web width-turn bar side is read from the memory M49 in step P184.

  Next, after reading the web width from the memory M1 in step P185, in step P186, using the count value conversion table of the counter for detecting the horizontal position of the chopper on the web width-turn bar side, from the web width, The count value of the counter for detecting the horizontal position of the chopper on the turn bar side corresponding to the web width is obtained and stored in the memory M50.

  Next, in step P187, the count value of the counter for detecting the horizontal position of the former chopper corresponding to the web width is read from the memory M48, and in step P188, the counter for detecting the horizontal position of the former chopper in the horizontal direction is read. Thus, the count value is read and stored in the memory M51.

  Next, in step P189, it is determined whether the count value of the counter for detecting the horizontal position of the former chopper corresponding to the web width is equal to the count value of the counter for detecting the horizontal position of the former chopper. For example, the process proceeds to step P201, which will be described later. If NO, the count value of the counter for detecting the horizontal position of the former chopper corresponding to the web width is counted in step P190> the count of the counter for detecting the horizontal position of the former chopper. Determine whether the value.

  Next, if yes in Step P190, a forward rotation command is output to the motor driver 48 for adjusting the horizontal position of the former chopper in Step P191, and then the former chopper corresponding to the web width in Step P192. Is read from the memory M48.

  Next, in step P193, the count value is read from the counter 50 for detecting the left-right direction of the former-side chopper and stored in the memory M51. Then, in step P194, the left-right direction position of the former-side chopper corresponding to the web width is detected. It is determined whether the count value of the counter is equal to the count value of the counter for detecting the horizontal position of the chopper on the former side.

  Next, if yes in Step P194, in Step P195, the forward rotation command output to the motor driver 48 for adjusting the horizontal position of the former chopper is stopped and the process proceeds to Step P201 described later. Return to Step P192.

  On the other hand, if the answer is NO in Step P190, a reverse rotation command is output to the motor driver 48 for adjusting the horizontal position of the former chopper in Step P196, and then the left and right of the former chopper corresponding to the web width is output in Step P197. The count value of the direction position detection counter is read from the memory M48.

  Next, in step P198, the count value is read from the counter 50 for detecting the horizontal position of the former-side chopper and stored in the memory M51. Then, in step P199, for detecting the horizontal position of the former-side chopper corresponding to the web width. It is determined whether the count value of the counter is equal to the count value of the counter for detecting the horizontal position of the chopper on the former side.

  Next, if yes in Step P199, in Step P200, the reverse rotation command output to the motor driver 48 for adjusting the horizontal position of the former chopper is stopped and the process proceeds to Step P201 described later. The process returns to Step P197.

  Next, after the count value of the counter for detecting the left / right direction position of the chopper on the turn bar side corresponding to the web width is read from the memory M49 in step P201 described above, the left and right sides of the chopper on the turn bar side are read in step P202. The count value is read from the direction position detection counter 54 and stored in the memory M52.

  Next, in step P203, it is determined whether the count value of the counter for detecting the horizontal position of the chopper on the turn bar side corresponding to the web width is equal to the count value of the counter for detecting the horizontal position of the chopper on the turn bar side. If yes, the process proceeds to step P215, which will be described later. If not, the count value of the counter for detecting the horizontal position of the turn bar side chopper corresponding to the web width in step P204> the value of the chopper on the turn bar side. It is determined whether or not the count value of the left-right direction position detection counter.

  Next, if yes in Step P204, a forward rotation command is output to the motor driver 52 for adjusting the horizontal position of the chopper on the turn bar side in Step P205, and then in Step P206, the turn The count value of the counter for detecting the horizontal position of the bar-side chopper is read from the memory M50.

  Next, in step P207, the count value is read from the counter 54 for detecting the horizontal position of the chopper on the turn bar side and stored in the memory M52, and then the left and right of the chopper on the turn bar side corresponding to the web width in step P208. It is determined whether or not the count value of the direction position detection counter = the count value of the left and right direction position detection counter of the chopper on the turn bar side.

  Next, if yes in Step P208, in Step P209, the forward rotation command output to the motor driver 52 for adjusting the horizontal position of the chopper on the turn bar side is stopped and the process proceeds to Step P215 described later. If so, the process returns to Step P206.

  On the other hand, if NO in step P204, a reverse rotation command is output to the motor driver 52 for adjusting the horizontal position of the chopper on the turn bar side in step P210, and then the turn bar side corresponding to the web width in step P211. The count value of the counter for detecting the horizontal position of the chopper is read from the memory M50.

  Next, in step P212, the count value is read from the counter 54 for detecting the horizontal position of the chopper on the turn bar side and stored in the memory M52, and then the left and right sides of the chopper on the turn bar side corresponding to the web width in step P213. It is determined whether or not the count value of the direction position detection counter = the count value of the left and right direction position detection counter of the chopper on the turn bar side.

  Next, if yes in step P213, in step P214, the reverse rotation command output to the motor driver 52 for adjusting the horizontal position of the chopper on the turn bar side is stopped and the process proceeds to step P215 to be described later. If there is, return to Step P211.

  Next, it is determined whether or not the control stop switch 16 has been turned ON in the above-described step P215. If yes, the control operation is terminated, whereas if no, the process returns to step P98. This is repeated thereafter.

  With the above operation flow, the left and right positions of the choppers 107b and 107a on the former side and the turn bar side are feedback-controlled according to the web width.

  Thus, in this embodiment, the output of the upstream left web guide detector 214A and the right web guide detector 215A, the downstream left web guide detector 214B and the right web guide. The expected web width is calculated based on the output of the guide detector 215B, and the paper flow direction positions of the former 108 and the turn bar 101 are automatically adjusted according to the calculated expected web width (the amount of expansion / contraction of the web W). In addition, the former and turn bar of the former and the turn bar corresponding to the amount of bulging of the web based on the reference output and the actual output of the detector 31 on the downstream side of the former and the detector 31 on the downstream side of the turn bar, which are expected from the expected web width The correction count value of the paper flow direction position detection counter is obtained, and the paper of the former 108 and the turn bar 101 is determined according to the obtained correction count value. Re-direction position is automatically adjusted.

  Thereby, the signatures Sb1, which are conveyed to the choppers 107b, 107a of the folding machine 800 due to the change in the amount of expansion and contraction in the left-right direction of the web W by the dryer 400 in the web rotary printing press and the change in the state of the printing press. Even if the position of Sa1 changes, the paper flow direction positions of the former 108 and the turn bar 101 are automatically adjusted accordingly, and the positions of the signatures Sb1 and Sa1 conveyed to the choppers 107b and 107a of the folding machine 800. Is always constant.

  As a result, manual operation by the operator becomes unnecessary, reducing the burden on the operator and improving the operating rate by automation. Further, since the position adjustment response is improved, an increase in the generation of waste paper is also reduced.

  In this embodiment, a web rotary printing machine is illustrated in which the webs Wa and Wb are conveyed to the choppers 107b and 107a of the folding machine 800 via the turn bar 101 and the former 108, respectively. Needless to say, the present invention can also be applied to a web rotary printing press of one path or two paths of the turn bar 101 or one path or two paths of the former 108.

  9A to 9D are block diagrams of a chopper control device showing Embodiment 2 of the present invention, FIGS. 10A to 10C are operation flow diagrams of the chopper control device, and FIGS. 11A and 11B are operation flow diagrams of the chopper control device. 12A and 12B are operation flow diagrams of the chopper control device, FIGS. 13A and 13B are operation flow diagrams of the chopper control device, FIGS. 14A to 14C are operation flow diagrams of the chopper control device, and FIGS. 15A and 15B are chopper control devices. FIG. 16A to FIG. 16C are operation flow diagrams of the chopper control device.

  In this embodiment, in the first embodiment, the positions of the former 108 and the turn bar 101 in the paper flow direction are the upstream left web guide detector 214A and the right web guide detector 215A, respectively. Instead of being automatically adjusted by detection signals from the left web guide detector 214B, the right web guide detector 215B, the former downstream detector 29, and the turn bar downstream detector 31. In addition, the left and right web positions of the chopper (chopper folding device) 107b on the former side and the chopper (chopper folding device) 107a on the turn bar side in the left and right directions (positions perpendicular to the signature conveying direction) are respectively Guide detector 214A, right web guide detector 215A, and downstream left web guide detector 21 It is an example of to be adjusted automatically by B and the detection signal of the detector 29 and the detector 31 located downstream of the turn bar to the right of the web guide detector 215B and former downstream. In addition, since the structure of a web rotary printing machine (strip | belt body printing machine) is the same as that of FIGS. 17-24, the overlapping description is abbreviate | omitted with reference to these.

  That is, as shown in FIGS. 9A to 9D, the chopper control device 10A is configured such that the CPU 11, the ROM 12, the RAM 13, and the input / output devices 14a to 14p are all connected by a BUS (bus line).

  The BUS (bus line) includes a web width storage memory M1, a web width-counter for detecting a web guide detector count detection table M2 and a web guide detection corresponding to the web width. A counter M value for the counter for detecting the position of the detector and a memory M4 for storing the count value conversion table of the counter for detecting the detector position on the downstream side of the web width-former and for detecting the detector position on the downstream side of the former corresponding to the web width. Counter count value storage memory M5 and web width-counter position detection counter count value conversion table storage memory M6 and turn bar downstream detector position detection corresponding to the web width A counter value storage memory M7 of the counter is connected.

  Further, the BUS (bus line) includes a count value storage memory M8 of a counter for detecting the left and right web guides on the upstream left web guide and a left and right direction of the upstream web guide detector on the upstream side. The count value storage memory M9 of the position detection counter, the count value storage memory M10 of the left and right web position detector of the downstream left web guide detector, and the downstream right web guide detector. Count value storage memory M11 for the left / right direction position detection counter, count value storage memory M12 for the left / right direction position detection counter for the downstream detector of the former, and left / right direction position detection counter for the detector downstream of the turn bar Are connected to the count value storage memory M13.

  Further, the BUS (bus) includes an output storage memory M14 of the upstream left web guide detector, an output storage memory M15 of the upstream right web guide detector, and an upstream web. An output difference storage memory M16 of the guide detector, an absolute value storage memory M17 of the output difference of the upstream web guide detector, and an allowable value storage memory M18 of the output difference of the web guide detector; Output storage memory M19 of the downstream left web guide detector, output storage memory M20 of the downstream right web guide detector, and output difference storage of the downstream web guide detector The absolute value storage memory M22, the upstream web width storage memory M23, the downstream web width storage memory M24, and the web of the output difference between the memory M21 and the downstream web guide detector The expected web width storage memory M26 is connected to the shrinkage ratio storage memory M25.

  Further, the BUS (bus line) includes an expected web width-former-side chopper left-right direction position detection counter count value conversion table storage memory M27a and a former-side chopper left-right position detection corresponding to the expected web width. A counter value storage memory 28a, an expected web width-former downstream detector reference output conversion table storage memory M29, and a former downstream detector reference output storage memory M30 corresponding to the expected web width; Output difference memory M31 of the downstream detector of the former, output difference storage memory M32 of the downstream detector of the former, and output difference of the downstream detector of the former-correction of the counter for detecting the horizontal position of the chopper on the former side Count value conversion table storage memory M33a and former chopper And the position in the lateral direction of the counter for detecting the correction count value storage memory M34a for are connected.

  Further, in the BUS (bus line), the count value storage memory M35a of the counter for detecting the horizontal position of the former chopper on the former side and the count value storage memory M51 of the counter for the horizontal position detection of the chopper on the former side are included. And expected web width-count value conversion table storage memory M37a of the counter for detecting the horizontal position of the chopper on the turn bar side and the count value of the counter for detecting the horizontal position of the chopper on the turn bar side corresponding to the expected web width Storage memory M38a and expected web width-turn bar downstream detector reference output conversion table storage memory M39 and turn bar downstream detector reference output storage memory M40 corresponding to the expected web width and turn・ The output memory M41 of the detector on the downstream side of the bar and the downstream side of the turn bar Detector output difference storage memory M42 and turn bar downstream detector output difference-Correction counter value conversion table storage memory M43a for turn bar side chopper horizontal position detection counter and turn bar side Is connected to a correction count value storage memory M44a of the counter for detecting the horizontal position of the chopper.

  Further, the BUS (bus bar) includes the count value storage memory M45a of the counter for detecting the horizontal position of the turn bar side chopper and the count value of the counter for detecting the horizontal position of the chopper on the turn bar side. A memory M52 for storage, a count value conversion table storage memory M47a for the counter for detecting the paper flow direction position on the web width-former side, and a count value storage memory M48a for the counter for detecting the paper flow direction position of the former corresponding to the web width, Web width-turn bar paper flow direction position detection counter count value conversion table storage memory M49a, turn bar paper flow direction position detection counter count value storage memory M50a corresponding to the web width and former Count value storage memory M3 of the paper flow direction position detection counter And the turn bar of the memory for storing the count value in the paper flow direction of the counter for detecting the position M46 are connected.

  Connected to the input / output device 14a are a control start switch 15, a control stop switch 16, an input device 17 such as a keyboard, a display 18 such as a CRT or a display, and an output device 19 such as a printer or a floppy disk (registered trademark) drive. Is done.

  A web width setting device 20 is connected to the input / output device 14b.

  The input / output device 14c includes an upstream left web guide detector 214A via an A / D converter 21 and an upstream right web guide detector via an A / D converter 22. 215A is connected to the downstream left web guide detector 214B via the A / D converter 23 and to the downstream right web guide detector 215B via the A / D converter 24. Is done.

  A detector 29 on the downstream side of the former is connected to the input / output device 14d via the A / D converter 28, and a detector 31 on the downstream side of the turn bar is connected to the input / output device 14d via the A / D converter 30. The

  The input / output device 14e includes a motor 217A for adjusting the horizontal position of the left web guide detector on the upstream side via a motor driver 60 for adjusting the horizontal position of the left web guide detector on the upstream side. And a left and right web position detector counter 61 for detecting the left and right web guides on the upstream side, and a rotary encoder for the left and right direction web position adjusting motor of the upstream web guide detector. 62 is connected.

  The input / output device 14f includes an upstream right side web guide detector motor driver 218A via an upstream right side web guide detector via a motor driver 63. Is connected to the rotary encoder for the right and left direction of the web guide detector on the upstream side via the counter 64 for detecting the right and left direction of the web guide detector on the right side of the upstream side. 65 is connected.

  The input / output device 14g includes a left and right web guide detector motor driver 66 for adjusting the left and right web guide detectors on the downstream side and a left and right web position detector motor 217B. Encoder for the left and right web position detector on the downstream side via a counter 67 for detecting the left and right direction web position detector on the downstream side 68 is connected.

  The input / output device 14h includes a downstream right side web guide detector motor driver 69 via a downstream right side web guide detector motor driver 69, and a right side web position detector motor 218B. Encoder for the left and right web position detector of the downstream right side through the counter 70 for detecting the right and left direction of the web guide detector on the right side of the downstream side 71 is connected.

  The input / output device 14i is connected to a detector 33 on the downstream side of the former via a motor driver 32 for adjusting the horizontal position of the detector on the downstream side of the former, and is connected to a motor 33 for adjusting the horizontal direction of the detector on the downstream side of the former. A rotary encoder 35 for adjusting the horizontal position of the detector on the downstream side of the former is connected via a counter 34 for detecting the horizontal position of the detector.

  The input / output device 14j is connected to a detector 37 on the downstream side of the turn bar via a motor driver 36 for adjusting the horizontal position of the detector on the downstream side of the turn bar. A rotary encoder 39 for adjusting the horizontal position of the detector on the downstream side of the turn bar is connected via a counter 38 for detecting the horizontal position of the detector on the downstream side of the turn bar.

  The input / output device 14k includes an upstream roll unit rotational position adjusting motor driver 216A via an upstream roll unit rotational position adjusting motor driver 72 and an upstream side connected to the motor 216A. A rotary encoder 73 for adjusting the rotational position of the roll unit is connected.

  The input / output device 14l includes a downstream roll unit rotational position adjustment motor driver 216B via a downstream roll unit rotational position adjustment motor driver 74 and a downstream drive unit connected to the motor 216B. A rotary encoder 75 for adjusting the rotational position of the roll unit is connected.

  The input / output device 14m is connected to a former paper flow direction position adjustment motor 41 via a former paper flow direction position adjustment motor driver 40, and via a former paper flow direction position detection counter 42. The rotary encoder 43 for the motor for adjusting the paper flow direction position of the former is connected.

  A turn bar paper flow direction position adjustment motor 45 is connected to the input / output device 14n via a turn bar paper flow direction position adjustment motor driver 44. A rotary encoder 47 for a motor for adjusting the position of the paper flow direction of the turn bar is connected through a detection counter 46.

  The input / output device 14o is connected to a motor chopper 49 for adjusting the left and right direction of the former chopper via a motor driver 48 for adjusting the left and right direction of the former chopper, and the left and right position of the former chopper. A rotary encoder 51 for a motor for adjusting the position in the left-right direction of the chopper on the former side is connected via a detection counter 50.

  The input / output device 14p is connected to a turn bar side chopper horizontal position adjustment motor 53 via a turn bar side chopper horizontal position adjustment motor driver 52, and the turn bar side A rotary encoder 55 for adjusting the horizontal position of the chopper on the turn bar side is connected via a counter 54 for detecting the horizontal position of the chopper.

  The control operation of the chopper control device 10A having the above-described configuration is illustrated in FIGS. 10A to 10C, 11A, 11B, 12A, 12B, 13A, 13B, 14A to 14C, 15A, and 15B. This will be described in detail with reference to the operation flowcharts of FIGS. 16A to 16C.

  First, it is determined whether or not the control start switch 15 is turned on in step P1, and if yes, the process proceeds to step P2. If not, whether or not there is an input to the web width setting unit 20 in step P3. Determine whether.

  Next, if yes in step P3, the web width is read from the web width setting device 20 in step P4 and stored in the memory M1, while if not, the process returns to step P1.

  Next, after the initialization process in Step P2, the count value conversion table of the web width-web guide detector position detection counter is read from the memory M2 in Step P5, and then the web width is determined in Step P6. Read from the memory M1.

  Next, the count value of the web guide detector position detection counter corresponding to the web width is calculated from the web width by using the count value conversion table of the web width-web guide detector position detection counter in step P7. And stored in the memory M3, the count value conversion table of the counter for detecting the detector position on the downstream side of the web width-former is read from the memory M4 in step P8.

  Next, in step P9, the web width is read from the memory M1, and then in step P10, the web width is changed from the web width to the web width using the count value conversion table of the detector position detection counter on the downstream side of the former. The count value of the counter for detecting the detector position on the downstream side of the corresponding former is obtained and stored in the memory M5.

  Next, after reading the count value conversion table of the counter for detecting the detector position downstream of the web width-turn bar in step P11 from the memory M6, the web width is read from the memory M1 in step P12. In step P13, the counter value detection counter on the downstream side of the turn bar corresponding to the web width is counted from the web width by using the count value conversion table of the counter on the downstream side of the web width-turn bar. A value is obtained and stored in the memory M7.

  Next, in step P14, the count value of the web guide detector position detection counter corresponding to the web width is read from the memory M3, and then in step P15, the left and right web guide detectors on the left side of the upstream side are detected. The count value is read from the direction position detection counter 61 and stored in the memory M8.

  Next, in step P16, it is determined whether or not the count value of the web guide detector position detection counter corresponding to the web width = the count value of the left and right direction position detection counter of the upstream left web guide detector. If YES in step P28, the process proceeds to step P28 to be described later. If NO in step P17, the count value of the web guide detector position detection counter corresponding to the web width> the upstream left web guide. It is determined whether or not the count value of the counter for detecting the position in the left-right direction of the detector.

  Next, if yes in Step P17, a forward rotation command is output to the left and right web position detector motor driver 60 of the upstream left web guide detector in Step P18, and then the web width in Step P19. The count value of the web guide detector position detection counter corresponding to is read from the memory M3.

  Next, in step P20, the count value is read from the left and right direction position detection counter 61 of the upstream web guide detector on the upstream side and stored in the memory M8. Then, in step P21, the web guide corresponding to the web width is read. It is determined whether or not the count value of the counter for detecting the position of the detector = the count value of the counter for detecting the position of the left and right direction of the left web guide detector on the upstream side.

  Next, if yes in step P21, in step P22, the forward rotation command output to the motor driver 60 for adjusting the horizontal position of the upstream left web guide detector is stopped, and the process proceeds to step P28 described later. On the other hand, if no, the process returns to Step P19.

  On the other hand, if the answer is NO in Step P17, a reverse rotation command is output to the left / right position adjustment motor driver 60 of the upstream left web guide detector in Step P23, and then the web width is handled in Step P24. The count value of the counter for detecting the web guide position is read from the memory M3.

  Next, in step P25, the count value is read from the left / right direction position detection counter 61 of the upstream left web guide detector and stored in the memory M8, and then in step P26, the web guide corresponding to the web width is read. It is determined whether or not the count value of the counter for detecting the position of the detector = the count value of the counter for detecting the position of the left and right direction of the left web guide detector on the upstream side.

  Next, if yes in Step P26, in Step P27, the output of the reverse rotation command to the left and right web position detector motor driver 60 for the upstream left web guide is stopped and the process proceeds to Step P28 described later. On the other hand, if no, the process returns to Step P24.

  Next, after the count value of the web guide detector position detection counter corresponding to the web width is read from the memory M3 in step P28, the upstream web guide detector on the upstream side is read in step P29. The left and right direction position detection counter 64 reads the count value and stores it in the memory M9.

  Next, in step P30, it is determined whether or not the count value of the web guide detector position detection counter corresponding to the web width = the count value of the left and right direction position detection counter of the upstream web guide detector on the upstream side. If YES in step P42, the process proceeds to step P42 to be described later. If NO in step P31, the count value of the web guide detector position detection counter corresponding to the web width> the upstream web guide on the upstream side. It is determined whether or not the count value of the counter for detecting the position in the left-right direction of the detector.

  Next, if yes in step P31, a forward rotation command is output to the right-and-left position adjustment motor driver 63 of the upstream web guide detector on the upstream side in step P32, and then the web width in step P33. The count value of the web guide detector position detection counter corresponding to is read from the memory M3.

  Next, in step P34, the count value is read from the horizontal position detection counter 64 of the upstream web guide detector on the upstream side and stored in the memory M9. Then, in step P35, the web guide corresponding to the web width is read. It is determined whether or not the count value of the counter for detecting the position of the detector = the count value of the counter for detecting the position of the right and left direction of the web guide detector on the upstream side.

  Next, if yes in Step P35, the forward rotation command output to the motor driver 63 for adjusting the horizontal position of the upstream web guide detector on the upstream side is stopped in Step P36 and the process proceeds to Step P42 described later. On the other hand, if no, the process returns to Step P33.

  On the other hand, if the answer is NO in Step P31, a reverse rotation command is output to the motor driver 63 for adjusting the horizontal position of the upstream web guide detector on the upstream side in Step P37, and then the web width is handled in Step P38. The count value of the counter for detecting the web guide position is read from the memory M3.

  Next, in step P39, the count value is read from the left-right direction position detection counter 64 of the upstream web guide detector and stored in the memory M9. Then, in step P40, the web guide corresponding to the web width is read. It is determined whether or not the count value of the counter for detecting the position of the detector = the count value of the counter for detecting the position of the right and left direction of the web guide detector on the upstream side.

  Next, if yes in Step P40, in Step P41, the output of the reverse rotation command to the motor driver 63 for adjusting the right and left direction of the upstream web guide detector is stopped, and the process proceeds to Step P42 described later. On the other hand, if no, the process returns to Step P38.

  By the above operation flow, the upstream web guide detector 214A on the upstream side and the web guide detector 215A on the right side are initialized according to the web width.

  Next, after the count value of the web guide detector position detection counter corresponding to the web width is read from the memory M3 in step P42, the downstream left web guide detector is read in step P43. The left and right direction position detection counter 67 reads the count value and stores it in the memory M10.

  Next, in step P44, it is determined whether or not the count value of the web guide detector position detection counter corresponding to the web width = the count value of the left and right direction position detection counter of the left web guide detector on the downstream side. If YES in step P56, the process proceeds to step P56 described later. If NO in step P45, the count value of the web guide detector position detection counter corresponding to the web width> the downstream web guide on the downstream side. It is determined whether or not the count value of the counter for detecting the position in the left-right direction of the detector.

  Next, if yes in Step P45, a forward rotation command is output to the left and right web position detector motor driver 66 of the downstream left web guide detector in Step P46, and then the web width in Step P47. The count value of the web guide detector position detection counter corresponding to is read from the memory M3.

  Next, in step P48, the count value is read from the left and right direction position detection counter 67 of the downstream web guide detector and stored in the memory M10. Then, in step P49, the web guide corresponding to the web width is read. It is determined whether or not the count value of the counter for detecting the position of the detector = the count value of the counter for detecting the position in the left-right direction of the left web guide detector on the downstream side.

  Next, if yes in Step P49, in Step P50, the forward rotation command output to the motor driver 66 for adjusting the horizontal position of the left web guide detector on the downstream side is stopped and the process proceeds to Step P56 described later. On the other hand, if no, the process returns to Step P47.

  On the other hand, if the answer is NO in Step P45, a reverse rotation command is output to the motor driver 66 for adjusting the horizontal position of the downstream left web guide detector in Step P51, and then the web width is handled in Step P52. The count value of the counter for detecting the web guide position is read from the memory M3.

  Next, in step P53, the count value is read from the left and right direction position detection counter 67 of the downstream web guide detector and stored in the memory M10. Then, in step P54, the web guide corresponding to the web width is read. It is determined whether or not the count value of the counter for detecting the position of the detector = the count value of the counter for detecting the position in the left-right direction of the left web guide detector on the downstream side.

  Next, if yes in Step P54, in Step P55, the reverse rotation command output to the left and right web position detector on the downstream side to the motor driver 66 for adjusting the horizontal position is stopped, and the process proceeds to Step P56 described later. On the other hand, if no, the process returns to Step P52.

  Next, after the count value of the web guide detector position detection counter corresponding to the web width is read from the memory M3 in step P56, the downstream web guide detector on the downstream side is read in step P57. The left / right direction position detection counter 70 reads the count value and stores it in the memory M11.

  Next, in step P58, it is determined whether or not the count value of the web guide detector position detection counter corresponding to the web width = the count value of the right and left direction position detection counter of the downstream web guide detector. If YES in step P70, the process proceeds to step P70 to be described later. If NO in step P59, the count value of the web guide detector position detection counter corresponding to the web width> the downstream web guide on the right side. It is determined whether or not the count value of the counter for detecting the position in the left-right direction of the detector.

  Next, if yes in Step P59, a forward rotation command is output to the right-and-left position adjustment motor driver 69 of the downstream web guide detector on the downstream side in Step P60, and then the web width in Step P61. The count value of the web guide detector position detection counter corresponding to is read from the memory M3.

  Next, in step P62, the count value is read from the left-right direction position detection counter 70 of the downstream web guide detector and stored in the memory M11. In step P63, the web guide corresponding to the web width is read. It is determined whether or not the count value of the counter for detecting the position of the detector = the count value of the counter for detecting the position in the left and right direction of the right web guide detector on the downstream side.

  Next, if yes in step P63, in step P64, the forward rotation command output to the left and right position adjustment motor driver 69 of the downstream web guide detector is stopped and the process proceeds to step P70 described later. On the other hand, if no, the process returns to Step P61.

  On the other hand, if the answer is NO in step P59, a reverse rotation command is output to the left and right web position detector motor driver 69 of the downstream web guide detector in step P65, and then the web width is handled in step P66. The count value of the counter for detecting the web guide position is read from the memory M3.

  Next, in step P67, the count value is read from the left-right direction position detection counter 70 of the downstream web guide detector and stored in the memory M11. Then, in step P68, the web guide corresponding to the web width is read. It is determined whether or not the count value of the counter for detecting the position of the detector = the count value of the counter for detecting the position in the left and right direction of the right web guide detector on the downstream side.

  Next, if yes in Step P68, in Step P69, the output of the reverse rotation command to the right and left position adjustment motor driver 69 of the downstream web guide detector is stopped and the process proceeds to Step P70 described later. On the other hand, if no, the process returns to Step P66.

  With the above operation flow, the downstream web guide detector 214B on the downstream side and the web guide detector 215B on the right side are initialized according to the web width.

  Next, after the count value of the counter for detecting the detector position on the downstream side of the former corresponding to the web width is read from the memory M5 in Step P70 described above, the position detection in the horizontal direction of the detector on the downstream side of the former is detected in Step P71. The counter value is read from the counter 34 and stored in the memory M12.

  Next, in step P72, it is determined whether or not the count value of the detector position detection counter on the downstream side of the former corresponding to the web width is equal to the count value of the counter for detecting the horizontal position of the detector on the downstream side of the former. If there is, the process proceeds to step P84 to be described later, whereas if not, the count value of the detector position detecting counter on the downstream side of the former corresponding to the web width in step P73> the counter for detecting the horizontal position of the detector on the downstream side of the former. It is determined whether or not the count value is equal.

  Next, if yes in Step P73, a forward rotation command is output to the motor driver 32 for adjusting the horizontal position of the detector downstream of the former in Step P74, and then the former downstream corresponding to the web width in Step P75. The count value of the side detector position detection counter is read from the memory M5.

  Next, in step P76, the count value is read from the counter 34 for detecting the position in the horizontal direction of the detector on the downstream side of the former and stored in the memory M12. Then, the detector position detection on the downstream side of the former corresponding to the web width is detected in step P77. It is determined whether or not the count value of the counter for the counter is equal to the count value of the counter for detecting the horizontal position of the detector on the downstream side of the former.

  Next, if yes in step P77, in step P78, the forward rotation command output to the motor driver 32 for adjusting the horizontal position of the detector downstream of the former is stopped and the process proceeds to step P84 described later. If so, the process returns to Step P75.

  On the other hand, if NO in step P73, a reverse rotation command is output to the motor driver 32 for adjusting the horizontal position of the detector on the downstream side of the former in step P79, and then the downstream side of the former corresponding to the web width is output in step P80. The count value of the detector position detection counter is read from the memory M5.

  Next, in step P81, the count value is read from the counter 34 for detecting the horizontal position of the detector on the downstream side of the former and stored in the memory M12, and then the detector position detection on the downstream side of the former corresponding to the web width is detected in step P82. It is determined whether or not the count value of the counter for the counter is equal to the count value of the counter for detecting the horizontal position of the detector on the downstream side of the former.

  Next, if yes in Step P82, in Step P83, the reverse rotation command output to the motor driver 32 for adjusting the horizontal position of the detector on the downstream side of the former is stopped and the process proceeds to Step P84 described later. If there is, return to Step P80.

  Next, after the count value of the counter for detecting the detector position on the downstream side of the turn bar corresponding to the web width is read from the memory M7 in Step P84, the detector on the downstream side of the turn bar is read in Step P85. The count value is read from the horizontal position detection counter 38 and stored in the memory M13.

  Next, in step P86, it is determined whether or not the count value of the counter for detecting the detector position on the downstream side of the turn bar corresponding to the web width is equal to the count value of the counter for detecting the horizontal position of the detector on the downstream side of the turn bar. If yes, the process proceeds to step P98, which will be described later. If no, the count value of the counter for detecting the detector position on the downstream side of the turn bar corresponding to the web width in step P87> the detection on the downstream side of the turn bar. It is determined whether or not the count value of the counter for detecting the horizontal position of the device is reached.

  Next, if yes in Step P87, a forward rotation command is output to the motor driver 36 for adjusting the horizontal position of the detector on the downstream side of the turn bar in Step P88, and then the web width is handled in Step P89. The count value of the counter for detecting the detector position on the downstream side of the turn bar is read from the memory M7.

  Next, in step P90, the count value is read from the counter 38 for detecting the horizontal position of the detector on the downstream side of the turn bar and stored in the memory M13, and then in the downstream side of the turn bar corresponding to the web width in step P91. It is determined whether or not the count value of the detector position detection counter is equal to the count value of the left and right direction position detection counter of the detector on the downstream side of the turn bar.

  Next, if yes in step P91, in step P92, the forward rotation command output to the motor driver 36 for adjusting the position of the detector on the downstream side of the turn bar is stopped and the process proceeds to step P98 described later. If NO, return to Step P89.

  On the other hand, if NO in step P87, a reverse rotation command is output to the motor driver 36 for adjusting the horizontal position of the detector on the downstream side of the turn bar in step P93, and then the turn corresponding to the web width is output in step P94. The count value of the detector for detecting the detector position on the downstream side of the bar is read from the memory M7.

  Next, in step P95, the count value is read from the counter 38 for detecting the horizontal position of the detector on the downstream side of the turn bar and stored in the memory M13, and then on the downstream side of the turn bar corresponding to the web width in step P96. It is determined whether or not the count value of the detector position detection counter is equal to the count value of the left and right direction position detection counter of the detector on the downstream side of the turn bar.

  Next, if yes in Step P96, in Step P97, the reverse rotation command output to the motor driver 36 for adjusting the horizontal position of the detector on the downstream side of the turn bar is stopped and the process proceeds to Step P98 to be described later. If NO, return to Step P94.

  According to the above operation flow, the detector 29 on the downstream side of the former and the detector 31 on the downstream side of the turn bar are initialized according to the web width.

  Next, in step P98, the output of the upstream left web guide detector 214A is read from the A / D converter 21 connected to the upstream left web guide detector, and the memory M14. In step P99, the output of the upstream web guide detector 215A on the upstream side is read from the A / D converter 22 connected to the upstream web guide detector on the upstream side, and the memory M15 is read. To remember.

  Next, in step P100, the output of the upstream web guide detector 215A is subtracted from the output of the upstream web guide detector 214A on the upstream side, and the output of the upstream web guide detector is subtracted. After calculating the difference and storing it in the memory M16, the absolute value of the output difference of the upstream web guide detector is calculated from the output difference of the upstream web guide detector in step P101, Store in the memory M17.

  Next, in step P102, the allowable value of the output difference of the web guide detector is read from the memory M18, and in step P103, the absolute value of the output difference of the upstream web guide detector> web guide. It is determined whether or not the output difference of the detector for use is acceptable.

  Next, if yes in step P103, the output difference of the upstream web guide detector is read from the memory M16 in step P104. If not, the upstream roll unit rotation is read in step P105. A stop command is output to the position adjustment motor driver 72, and the process proceeds to Step P109 described later.

  Next, in step P106, it is determined whether or not the output difference of the upstream web guide detector> 0. If yes, in step P107, the upstream roll unit rotational position adjusting motor driver 72 is checked. When a negative rotation command is output and the process proceeds to step P109 described later, if not, a reverse rotation command is output to the upstream roll unit rotational position adjustment motor driver 72 at step P108 and a later-described step is performed. Move on to P109.

  Next, in step P109 described above, the output of the downstream left web guide detector 214B is read from the A / D converter 23 connected to the downstream left web guide detector, and the memory M19. In step P110, the output of the downstream right web guide detector 215B is read from the A / D converter 24 connected to the downstream right web guide detector, and the memory M20 is read. To remember.

  Next, in step P111, the output of the downstream web guide detector 215B is subtracted from the output of the downstream web guide detector 214B on the downstream side, and the output of the downstream web guide detector 215B. After calculating the difference and storing it in the memory M21, the absolute value of the output difference of the downstream web guide detector is calculated from the output difference of the downstream web guide detector in step P112, Store in the memory M22.

  Next, in step P113, the allowable value of the output difference of the web guide detector is read from the memory M18, and in step P114, the absolute value of the output difference of the downstream web guide detector> web guide. It is determined whether or not the output difference of the detector for use is acceptable.

  Next, if yes in Step P114, the output difference of the downstream web guide detector is read from the memory M21 in Step P115, while if not, the rotation of the downstream roll unit is rotated in Step P116. A stop command is output to the position adjustment motor driver 74, and the process proceeds to Step P120 described later.

  Next, in step P117, it is determined whether or not the output difference of the downstream web guide detector> 0. If yes, in step P118, the downstream roll unit rotational position adjusting motor driver 74 is checked. When a negative rotation command is output and the process proceeds to step P120, which will be described later, if NO, a reverse rotation command is output to the rotational position adjusting motor driver 74 of the downstream roll unit at step P119, and a later-described step. Move on to P120.

  According to the above operation flow, the upstream web guide device 210A (the roll unit 213) thereof corresponds to the output difference between the upstream web guide detector 214A on the upstream side and the web guide detector 215A on the right side. The web guide device 210B (the roll unit 213) on the downstream side rotates in accordance with the output difference between the web guide detector 214B on the downstream side and the web guide detector 215B on the right side. Then, the center of the web W in the left-right direction is aligned with the center of the web rotary press in the left-right direction.

  Next, after reading the count value of the left and right direction position detection counter of the upstream left web guide detector from the memory M8 in step P120, the upstream right web guide is read in step P121. The count value of the left-right direction position detection counter of the detector is read from the memory M9.

  Next, the output of the upstream left web guide detector is read from the memory M14 in step P122, and then the upstream right web guide detector output is read from the memory M15 in step P123. Read.

  Next, in step P124, the upstream side from the count values of the left and right web position detectors of the upstream left and right web guide detectors and the outputs of the upstream left and right web guide detectors. After the web width is calculated and stored in the memory M23, in step P125, the count value of the counter for detecting the horizontal position of the left web guide detector on the downstream side is read from the memory M10.

  Next, in step P126, the count value of the counter for detecting the left and right direction position of the downstream web guide detector is read from the memory M11, and then the downstream left web guide detection is performed in step P127. The output of the device is read from the memory M19.

  Next, in step P128, the output of the downstream web guide detector on the downstream side is read from the memory M20, and then the left and right web guide detectors on the downstream side are detected in step P129. The web width on the downstream side is calculated from the count value of the counter for the counter and the outputs of the left and right web guide detectors on the downstream side, and stored in the memory M24.

  Next, after the upstream web width is read from the memory M23 in step P130, the downstream web width is divided by the upstream web width in step P131, the web expansion / contraction ratio is calculated, and the memory M25 is calculated. To remember.

  Next, after the web width is read from the memory M1 in step P132, the web width is multiplied by the web expansion / contraction ratio in step P133, the expected web width is calculated, and stored in the memory M26.

Next, in step P134, the count value conversion table of the expected web width-former side chopper horizontal position detection counter is read from the memory M27a, and then in step P135, the expected web width-former side chopper horizontal direction Using the count value conversion table of the position detection counter, the count value of the left-right direction position detection counter of the former chopper corresponding to the predicted web width is obtained from the predicted web width and stored in the memory M28a. With the above operation flow, the count value of the counter for detecting the horizontal position of the chopper on the former side corresponding to the expansion and contraction in the horizontal direction of the web is obtained.

  Next, in step P136, the expected web width-former downstream detector reference output conversion table is read from the memory M29, and in step P137, the expected web width is read from the memory M26.

  Next, in step P138, the reference output of the detector downstream of the former corresponding to the expected web width is obtained from the expected web width by using the reference output conversion table of the expected web width-former downstream detector, and the memory M30. In step P139, the output of the detector 29 on the downstream side of the former is read from the A / D converter 28 connected to the detector on the downstream side of the former and stored in the memory M31.

  Next, in step P140, the output of the detector downstream of the former is subtracted from the reference output of the detector downstream of the former corresponding to the expected web width, and the output difference of the detector downstream of the former is calculated, and the memory M32 In step P141, the output difference of the detector on the downstream side of the former-the correction count value conversion table of the counter for detecting the horizontal position of the chopper on the former side is read from the memory M33a.

Next, in step P142, using the correction difference between the output difference of the downstream detector of the former and the correction count value conversion table of the counter for detecting the horizontal position of the chopper on the former side, the difference between the output of the detector on the downstream side of the former The correction count value of the left-right direction position detection counter of the chopper is obtained and stored in the memory M34a. Then, in step P143, the former-side chopper left-right position detection counter count value corresponding to the expected web width The correction count value of the chopper left-right direction position detection counter is subtracted to calculate the count value of the target former-side chopper left-right direction position detection counter and store it in the memory M35a. According to the above operation flow, the count value of the counter for detecting the horizontal position of the chopper on the former side corresponding to the amount of web bulge is obtained.

  Next, in step P144, the count value is read from the left and right position detection counter 50 of the former chopper and stored in the memory M51. Then, in the step P145, the left and right position detection counter of the target chopper is detected. It is determined whether the count value is equal to the count value of the counter for detecting the horizontal position of the chopper on the former side.

  Next, if yes in Step P145, the process proceeds to Step P157, which will be described later. If not, in Step P146, the count value of the counter for detecting the left-right direction position of the target chopper on the former side> the value of the chopper on the former side It is determined whether or not the count value of the left-right direction position detection counter.

  Next, if yes in Step P146, a forward rotation command is output to the motor driver 48 for adjusting the horizontal position of the former chopper in Step P147, and then the left and right of the target chopper on the former side in Step P148 are output. The count value of the direction position detection counter is read from the memory M35a.

  Next, in step P149, the count value is read from the left and right position detection counter 50 of the former chopper and stored in the memory M51. Then, in the step P150, the left and right position detection counter of the target chopper is detected. It is determined whether the count value is equal to the count value of the counter for detecting the horizontal position of the chopper on the former side.

  Next, if yes in Step P150, in Step P151, the forward rotation command output to the motor driver 48 for adjusting the horizontal position of the former chopper is stopped and the process proceeds to Step P157 described later. Return to Step P148.

  On the other hand, if the answer is NO in Step P146, a reverse rotation command is output to the motor driver 48 for adjusting the horizontal position of the former chopper in Step P152, and then the target horizontal position of the former chopper in Step P153 is set. The count value of the detection counter is read from the memory M35a.

  Next, in step P154, the count value is read from the counter 50 for detecting the horizontal position of the former-side chopper and stored in the memory M51. Then, in step P155, the counter for detecting the horizontal position of the former-side chopper in the horizontal direction is detected. It is determined whether the count value is equal to the count value of the counter for detecting the horizontal position of the chopper on the former side.

  Next, if yes in Step P155, in Step P156, the reverse rotation command output to the motor driver 48 for adjusting the horizontal position of the former chopper is stopped and the process proceeds to Step P157 described later. The process returns to Step P153.

  By the above operation flow, the output of the upstream left web guide detector 214A and the right web guide detector 215A, the downstream left web guide detector 214B and the right web guide The expected web width is calculated based on the output of the detector 215B, and the horizontal position of the chopper 107b on the former side is automatically adjusted according to the calculated expected web width, and the former downstream side expected from the expected web width On the basis of the reference output and actual output of the detector 29, the correction count value of the counter for detecting the horizontal position of the chopper on the left side in accordance with the amount of bulging of the web is obtained, and on the former side according to the obtained correction count value The horizontal position of the chopper 107b is automatically adjusted.

  Next, in step P157, the expected web width-count value conversion table of the counter for detecting the horizontal position of the chopper on the turn bar side is read from the memory M37a, and then in step P158, the expected web width is stored in the memory M26. Read from.

  Next, in step P159, using the count value conversion table of the expected web width-counter for detecting the horizontal position of the chopper on the turn bar side, the chopper of the turn bar side corresponding to the expected web width is determined from the expected web width. The count value of the left / right direction position detection counter is obtained and stored in the memory M38a. According to the above operation flow, the count value of the counter for detecting the horizontal position of the chopper on the turn bar side corresponding to the expansion and contraction of the web in the horizontal direction is obtained.

  Next, in step P160, the reference output conversion table of the detector on the downstream side of the expected web width-turn bar is read from the memory M39, and then the expected web width is read from the memory M26 in step P161.

  Next, in step P162, the reference output of the detector on the downstream side of the turn bar corresponding to the expected web width is calculated from the expected web width using the reference output conversion table of the expected web width-downstream bar downstream side detector. After obtaining and storing in the memory M40, the output of the detector 31 on the downstream side of the turn bar is read from the A / D converter 30 connected to the detector on the downstream side of the turn bar in step P163 and stored in the memory M41. To do.

  Next, in step P164, the output of the detector downstream of the turn bar is subtracted from the reference output of the detector downstream of the turn bar corresponding to the expected web width, and the output difference of the detector downstream of the turn bar is calculated. After calculating and storing in the memory M42, in step P165, the output difference of the detector on the downstream side of the turn bar—the correction count value conversion table of the counter for detecting the horizontal position of the chopper on the turn bar side is read from the memory M43a. Read.

  Next, in step P166, the output difference of the detector on the downstream side of the turn bar-the correction count value conversion table of the counter for detecting the horizontal position of the chopper on the turn bar side is used to detect the detector on the downstream side of the turn bar. From the output difference, the correction count value of the counter for detecting the horizontal position of the chopper on the turn bar side is obtained and stored in the memory M44a. Then, the horizontal position of the chopper on the turn bar side corresponding to the expected web width in step P167 Subtract the correction count value of the counter for detecting the horizontal position of the chopper on the turn bar side from the count value of the counter for detection, and calculate the count value of the counter for detecting the horizontal position of the chopper on the turn bar side. And stored in the memory M45a. According to the above operation flow, the count value of the counter for detecting the horizontal position of the chopper on the turn bar side according to the amount of bulging of the web is obtained.

  Next, after reading the count value from the counter 54 for detecting the horizontal position of the chopper on the turn bar side in step P168 and storing it in the memory M52, the horizontal position of the target chopper on the turn bar side is set in step P169. It is determined whether the count value of the detection counter is equal to the count value of the counter for detecting the horizontal position of the chopper on the turn bar side.

  Next, if yes in Step P169, the process proceeds to Step P181 to be described later. If not, in Step P170, the count value of the counter for detecting the left and right direction position of the target chopper on the turn bar side> turn bar It is determined whether the count value of the counter for detecting the horizontal position of the chopper on the side is the count value.

  Next, if it is acceptable in Step P170, a forward rotation command is output to the left and right position adjustment motor driver 52 of the chopper on the turn bar side in Step P171, and then the target turn bar side is set in Step P172. The count value of the counter for detecting the horizontal position of the chopper is read from the memory M45a.

  Next, after the count value is read from the counter 54 for detecting the horizontal position of the chopper on the turn bar side in step P173 and stored in the memory M52, the horizontal position of the target chopper on the turn bar side is determined in step P174. It is determined whether the count value of the detection counter is equal to the count value of the counter for detecting the horizontal position of the chopper on the turn bar side.

  Next, if yes in Step P174, in Step P175, the forward rotation command output to the motor driver 52 for adjusting the horizontal position of the chopper on the turn bar side is stopped and the process proceeds to Step P181 described later. If so, the process returns to Step P172.

  On the other hand, if the answer is NO in Step P170, a reverse rotation command is output to the motor driver 52 for adjusting the horizontal position of the chopper on the turn bar side in Step P176, and then the target chopper on the turn bar side is set in Step P177. Is read from the memory M45a.

  Next, after the count value is read from the counter 54 for detecting the horizontal position of the chopper on the turn bar side in step P178 and stored in the memory M52, the horizontal position of the target chopper on the turn bar side is determined in step P179. It is determined whether the count value of the detection counter is equal to the count value of the counter for detecting the horizontal position of the chopper on the turn bar side.

  Next, if yes in Step P179, in Step P180, the reverse rotation command output to the motor driver 52 for adjusting the horizontal position of the chopper on the turn bar side is stopped and the process proceeds to Step P181 described later. If there is, the process returns to Step P177.

  According to the above operation flow, the left and right position of the chopper 107a on the turn bar side is automatically adjusted according to the calculated expected web width, and the amount of web bulge is determined in the same manner as the former chopper 107b. Thus, the horizontal position of the chopper 107a on the turn bar side is automatically adjusted.

  Next, after reading the count value conversion table of the web width-former paper flow direction position detection counter from the memory M47a in step P181, the web width is read from the memory M1 in step P182.

  Next, in step P183, using the count value conversion table of the web width-former paper flow direction position detection counter, the count value of the former paper flow direction position detection counter corresponding to the web width is obtained from the web width. After storing in the memory M48a, in step P184, the count value conversion table of the web width-turn bar paper flow direction position detection counter is read from the memory M49a.

  Next, after reading the web width from the memory M1 in step P185, in step P186, using the count value conversion table of the web width-turn bar paper flow direction position detection counter, the web width is calculated from the web width. The count value of the counter for detecting the paper flow direction position of the turn bar corresponding to is obtained and stored in the memory M50a.

  Next, after the count value of the former paper flow direction position detection counter corresponding to the web width is read from the memory M48a in step P187, the count value is read from the former paper flow direction position detection counter 42 in step P188. Is stored in the memory M36.

  In step P189, it is determined whether the count value of the former paper flow direction position detection counter corresponding to the web width is equal to the count value of the former paper flow direction position detection counter. If NO in step P201, it is determined in step P190 whether the count value of the former paper flow direction position detection counter corresponding to the web width is greater than the count value of the former paper flow direction position detection counter.

  Next, if yes in Step P190, a forward rotation command is output to the former paper flow direction position adjustment motor driver 40 in Step P191, and then the former paper flow direction position corresponding to the web width in Step P192. The count value of the detection counter is read from the memory M48a.

  Next, the count value is read from the former paper flow direction position detection counter 42 in step P193 and stored in the memory M36, and then the former paper flow direction position detection counter value corresponding to the web width is counted in step P194. It is determined whether or not the count value of the counter for detecting the paper flow direction position of the former.

  Next, if yes in Step P194, in Step P195, the forward rotation command output to the former paper flow direction position adjusting motor driver 40 is stopped and the process proceeds to Step P201 described later. Return to P192.

  On the other hand, if the answer is NO in Step P190, a reverse rotation command is output to the former paper flow direction position adjusting motor driver 40 in Step P196, and then the paper flow direction position detection of the former corresponding to the web width is performed in Step P197. The count value of the counter is read from the memory M48a.

  Next, in step P198, the count value is read from the former paper flow direction position detection counter 42 and stored in the memory M36. Then, in step P199, the former paper flow direction position detection counter value corresponding to the web width is counted. It is determined whether or not the count value of the counter for detecting the paper flow direction position of the former.

  Next, if yes in Step P199, in Step P200, the reverse rotation command output to the former paper flow direction position adjusting motor driver 40 is stopped and the process proceeds to Step P201 described later. Return to.

  Next, after the count value of the counter for detecting the paper flow direction position of the turn bar corresponding to the web width is read from the memory M50a in step P201 described above, the paper for detecting the position of the turn bar in the paper flow direction is read in step P202. The count value is read from the counter 46 and stored in the memory M46.

  In step P203, it is determined whether the count value of the counter for detecting the paper flow direction position of the turn bar corresponding to the web width is equal to the count value of the counter for detecting the paper flow direction position of the turn bar. For example, the process proceeds to step P215, which will be described later. If not, the count value of the turn bar paper flow direction position detection counter corresponding to the web width is greater than the count value of the turn bar paper flow direction position detection counter in step P204. Determine whether the value.

  Next, if yes in step P204, a forward rotation command is output to the paper driver for adjusting the paper flow direction position of the turn bar 44 in step P205, and then the turn bar corresponding to the web width is output in step P206. The count value of the paper flow direction position detection counter is read from the memory M50a.

  Next, after the count value is read from the counter 46 for detecting the paper flow direction position of the turn bar in step P207 and stored in the memory M46, the paper flow direction position detection of the turn bar corresponding to the web width is performed in step P208. It is determined whether the count value of the counter is equal to the count value of the counter for detecting the paper flow direction position of the turn bar.

  Next, if yes in Step P208, the output of the normal rotation command to the motor driver 44 for adjusting the paper flow direction position of the turn bar is stopped in Step P209, and the process proceeds to Step P215 to be described later. Return to Step P206.

  On the other hand, if NO in step P204, a reverse rotation command is output to the motor driver 44 for adjusting the paper flow direction of the turn bar in step P210, and then the paper flow of the turn bar corresponding to the web width is output in step P211. The count value of the direction position detection counter is read from the memory M50a.

  Next, in step P212, the count value is read from the counter 46 for detecting the paper flow direction position of the turn bar and stored in the memory M46. Then, in step P213, the paper flow direction position detection of the turn bar corresponding to the web width is performed. It is determined whether the count value of the counter is equal to the count value of the counter for detecting the paper flow direction position of the turn bar.

  Next, if yes in Step P213, in Step P214, the reverse rotation command output to the motor driver 44 for adjusting the paper flow direction position of the turn bar is stopped and the process proceeds to Step P215 to be described later. Return to Step P211.

  Next, it is determined whether or not the control stop switch 16 has been turned ON in the above-described step P215. If yes, the control operation is terminated, whereas if no, the process returns to step P98. This is repeated thereafter.

  With the above operation flow, the paper flow direction positions of the former 108 and the turn bar 101 are feedback-controlled according to the web width.

  Thus, in this embodiment, the output of the upstream left web guide detector 214A and the right web guide detector 215A, the downstream left web guide detector 214B and the right web guide. The expected web width is calculated based on the output of the guide detector 215B, and the left and right positions of the choppers 107b and 107a on the former side and the turn bar side according to the calculated expected web width (the amount of expansion / contraction of the web W) Is automatically adjusted, and the former side corresponding to the amount of bulging of the web based on the reference output and the actual output of the detector 29 on the downstream side of the former and the detector 31 on the downstream side of the turn bar, which are expected from the expected web width. The correction count value of the counter for detecting the horizontal position of the chopper on the turn bar side is obtained, and the format is determined according to the obtained correction count value. The position in the lateral direction of the side of the chopper 107b and the turn bar side of the chopper 107a is automatically adjusted.

  Thereby, the signatures Sb1, which are conveyed to the choppers 107b, 107a of the folding machine 800 due to the change in the amount of expansion and contraction in the left-right direction of the web W by the dryer 400 in the web rotary printing press and the change in the state of the printing press. Even if the position of Sa1 changes, the left and right positions of the choppers 107b and 107a on the former side and the turn bar side are automatically adjusted accordingly, and the signature Sb1 conveyed to the choppers 107b and 107a of the folding machine 800. , Sa1 is always constant.

  As a result, manual operation by the operator becomes unnecessary, reducing the burden on the operator and improving the operating rate by automation. Further, since the position adjustment response is improved, an increase in the generation of waste paper is also reduced.

  In this embodiment, a web rotary printing machine is illustrated in which the webs Wa and Wb are conveyed to the choppers 107b and 107a of the folding machine 800 via the turn bar 101 and the former 108, respectively. Needless to say, the present invention can also be applied to a web rotary printing press of one path or two paths of the turn bar 101 or one path or two paths of the former 108.

  The present invention is not limited to the above-described embodiments, and can be applied to a machine that manufactures and processes a strip (web) such as a synthetic resin film and a thin steel plate instead of paper in a printing press.

It is a block diagram of a former and a turn bar control device showing Embodiment 1 of the present invention. It is a block diagram of a former and a turn bar control device. It is a block diagram of a former and a turn bar control device. It is a block diagram of a former and a turn bar control device. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is an operation | movement flowchart of a former and a turn bar control apparatus. It is a block diagram of the chopper control apparatus which shows Example 2 of this invention. It is a block diagram of a chopper control device. It is a block diagram of a chopper control device. It is a block diagram of a chopper control device. It is an operation | movement flowchart of a chopper control apparatus. It is an operation | movement flowchart of a chopper control apparatus. It is an operation | movement flowchart of a chopper control apparatus. It is an operation | movement flowchart of a chopper control apparatus. It is an operation | movement flowchart of a chopper control apparatus. It is an operation | movement flowchart of a chopper control apparatus. It is an operation | movement flowchart of a chopper control apparatus. It is an operation | movement flowchart of a chopper control apparatus. It is an operation | movement flowchart of a chopper control apparatus. It is an operation | movement flowchart of a chopper control apparatus. It is an operation | movement flowchart of a chopper control apparatus. It is an operation | movement flowchart of a chopper control apparatus. It is an operation | movement flowchart of a chopper control apparatus. It is an operation | movement flowchart of a chopper control apparatus. It is an operation | movement flowchart of a chopper control apparatus. It is an operation | movement flowchart of a chopper control apparatus. It is an operation | movement flowchart of a chopper control apparatus. It is a perspective view of the folding machine in a web rotary printing press. It is explanatory drawing of the air blower of a former. It is explanatory drawing of the moving mechanism of a former. It is explanatory drawing of the air blowing apparatus of a turn bar. It is explanatory drawing of the moving mechanism of a turn bar. It is explanatory drawing of the moving mechanism of a chopper. 1 is an overall side view of a web rotary printing press. It is explanatory drawing of a web guide apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Former and turn bar control apparatus 10A Chopper control apparatus 29 Detector downstream of former 31 Detector downstream of turn bar 33 Motor for horizontal position adjustment of detector downstream of former 37 Detection of downstream of turn bar Motor for adjusting the horizontal position of the machine 41 Motor for adjusting the position of the paper flow direction of the former 45 Motor for adjusting the position of the paper flow direction of the turn bar 49 Motor for adjusting the horizontal position of the chopper on the former side 53 Motor of the chopper on the side of the turn bar Motor for adjusting horizontal position 100 Slitter 101 Turn bar 104 Cutting cylinder 105 Folding cylinder 106 Addition cylinder 107a, 107b Chopper 210A Upstream web guide device 210B Downstream web guide device 213 Roll unit 214A Upstream left side Web Guide detector 215A Upstream right web guide detector 214B Downstream left web guide detector 215B Downstream right web guide detector 217A Upstream left web guide Motor for adjusting the horizontal position of the detector 218A Motor for adjusting the horizontal direction of the web guide detector on the upstream side on the right side 217B Motor for adjusting the horizontal position of the left side web guide detector on the downstream side 218B Downstream side of the detector 216A Motor for adjusting the rotational position of the roll unit on the upstream side 216B Motor for adjusting the rotational position of the roll unit on the downstream side W, Wa, Wb Web Sa1, Sa2, Sb1, Sb2 signature

Claims (12)

Printing means for printing a pattern on the belt;
Drying means for drying or curing the pattern of the belt-like body printed by the printing means;
A former that folds the belt-shaped body dried or cured by the drying means in a direction parallel to the belt-shaped body transport direction;
Cutting means for cutting the band-shaped body folded by the former in a direction perpendicular to the belt-shaped body conveyance direction to make a signature;
A chopper folding device that folds the signature cut by the cutting means again in a direction parallel to the signature conveying direction;
In a strip printing machine equipped with
First detecting means for detecting the width of the drying means provided from the upstream side the strip of the belt-shaped member transport path,
Second detection means for detecting a width of the belt-like body provided on the downstream side of the drying means of the belt-like body conveyance path;
Control for adjusting the position of the former in the belt-conveying direction of the former or the position of the chopper folding device in the direction perpendicular to the signature conveying direction according to the output of the first detecting means and the output of the second detecting means. Means,
A control device for a belt-like body printing machine.   The belt-shaped body printing machine includes a belt-shaped body position adjusting unit that adjusts a position in a direction orthogonal to the transport path of the belt-shaped body, and the first and second detection units detect the band-shaped body position adjusting unit. 2. The control device for a belt-like body printing machine according to claim 1, wherein the control device is a press.   The belt-like body printing machine is parallel to the transport path on the side of the belt-shaped body or the signature folded by the former in the middle of the transport path of the belt-shaped body or the signature from the former to the chopper folding device. A third detecting means for detecting the position of the end portion of the former, and the control means is configured to detect the position of the former in the band-shaped body conveying direction or the chopper folding device according to the output from the third detecting means. 2. The control device for a belt-like body printing machine according to claim 1, wherein a position in a direction perpendicular to the signature conveying direction is adjusted. Printing means for printing a pattern on the belt;
Drying means for drying or curing the pattern of the belt-like body printed by the printing means;
A turn bar that changes the transport direction of the strip heated by the drying means;
A cutting means that cuts the belt-like body whose conveyance direction has been changed by the turn bar in a direction perpendicular to the belt-like body conveyance direction, and makes a signature;
A chopper folding device that folds the signature cut by the cutting means in a direction parallel to the signature conveying direction;
In a strip printing machine equipped with
First detecting means for detecting the width of the drying means provided from the upstream side the strip of the belt-shaped member transport path,
Second detection means for detecting a width of the belt-like body provided on the downstream side of the drying means of the belt-like body conveyance path;
Depending on the output of the first detection means and the output of the second detection means, the position of the turn bar in the direction of conveying the strip or the position of the chopper folding device in the direction perpendicular to the signature conveyance direction is adjusted. Control means to
A control device for a belt-like body printing machine.   The belt-shaped body printing machine includes a belt-shaped body position adjusting unit that adjusts a position in a direction orthogonal to the transport path of the belt-shaped body, and the first and second detection units detect the band-shaped body position adjusting unit. 5. The control device for a belt-like body printing machine according to claim 4, wherein the control device is a press.   The belt-shaped body printing machine has one end parallel to the belt or the transport path of the signature in the middle of the transport path of the belt or the signature from the turn bar to the chopper folding device. Third detecting means for detecting the position is provided, and the control means is configured to detect the position of the turn bar in the strip conveying direction or the signature of the chopper folding device according to the output from the third detecting means. 5. The control device for a belt-like body printing machine according to claim 4, wherein a position in a direction perpendicular to the conveying direction is adjusted. Printing means for printing a pattern on the belt;
Drying means for drying or curing the pattern of the belt-like body printed by the printing means;
A former that folds the belt-shaped body dried or cured by the drying means in a direction parallel to the belt-shaped body transport direction;
Cutting means for cutting the band-shaped body folded by the former in a direction perpendicular to the belt-shaped body conveyance direction to make a signature;
A chopper folding device that folds the signature cut by the cutting means again in a direction parallel to the signature conveying direction;
In a strip printing machine equipped with
The more drying means and first detecting means for detecting the width of the band-shaped body provided on the upstream side, the band-shaped body provided on the downstream side of the drying means of the strip transport path of the belt-shaped member transport path A second detection means for detecting the width of
Adjusting the position of the former in the direction of transporting the band-shaped body or the position of the former in the direction perpendicular to the direction of transport of the signature of the chopper folding device according to the output of the first detection means and the output of the second detection means. A control method for a belt-like body printing machine.   The belt-shaped body printing machine includes a belt-shaped body position adjusting unit that adjusts a position in a direction orthogonal to the transport path of the belt-shaped body, and the first and second detection units detect the band-shaped body position adjusting unit. The method for controlling a belt-like body printing machine according to claim 7, wherein the apparatus is a press.   The belt-like body printing machine is parallel to the transport path on the side of the belt-shaped body or the signature folded by the former in the middle of the transport path of the belt-shaped body or the signature from the former to the chopper folding device. A third detecting means for detecting the position of the end portion of the former, and the control means is configured to detect the position of the former in the band-shaped body conveying direction or the chopper folding device according to the output from the third detecting means. 8. The method for controlling a belt-like body printing machine according to claim 7, wherein a position in a direction perpendicular to the signature conveyance direction is adjusted. Printing means for printing a pattern on the belt;
Drying means for drying or curing the pattern of the belt-like body printed by the printing means;
A turn bar that changes the transport direction of the strip heated by the drying means;
A cutting means that cuts the belt-like body whose conveyance direction has been changed by the turn bar in a direction perpendicular to the belt-like body conveyance direction, and makes a signature;
A chopper folding device that folds the signature cut by the cutting means in a direction parallel to the signature conveying direction;
In a strip printing machine equipped with
First detecting means for detecting the width of the drying means provided from the upstream side the strip of the belt-shaped member transport path,
A second detection means for detecting a width of the belt-like body provided downstream of the drying means of the belt-like body conveyance path;
Depending on the output of the first detection means and the output of the second detection means, the position of the turn bar in the direction of conveying the strip or the position of the chopper folding device in the direction perpendicular to the signature conveyance direction is adjusted. A method for controlling a strip printer.   The belt-shaped body printing machine includes a belt-shaped body position adjusting unit that adjusts a position in a direction orthogonal to the transport path of the belt-shaped body, and the first and second detection units detect the band-shaped body position adjusting unit. The method for controlling a belt-like body printing machine according to claim 10, wherein the control unit is a printer.   The belt-shaped body printing machine has one end parallel to the belt or the transport path of the signature in the middle of the transport path of the belt or the signature from the turn bar to the chopper folding device. Third detection means for detecting the position is provided, and in accordance with the output from the third detection means, the position of the turn bar in the direction of conveying the strip or the direction of the signature conveyance of the chopper folding device is orthogonal. The method for controlling a belt printer according to claim 10, wherein the direction position is adjusted.

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