JPH0541550B2 - - Google Patents
Info
- Publication number
- JPH0541550B2 JPH0541550B2 JP59256264A JP25626484A JPH0541550B2 JP H0541550 B2 JPH0541550 B2 JP H0541550B2 JP 59256264 A JP59256264 A JP 59256264A JP 25626484 A JP25626484 A JP 25626484A JP H0541550 B2 JPH0541550 B2 JP H0541550B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- folding
- sensor
- signature
- edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000007547 defect Effects 0.000 claims description 27
- 238000007689 inspection Methods 0.000 claims description 26
- 238000005259 measurement Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 230000002950 deficient Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Controlling Sheets Or Webs (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明は輪転印刷機の連接する折機で所定サイ
ズに折られた折丁の折不良大び折精度を検査する
ための、折不良検査装置に関するものである。Detailed Description of the Invention [Technical Field of the Invention] The present invention relates to a folding defect inspection device for inspecting folding defects and folding accuracy of signatures folded to a predetermined size by a folding machine connected to a rotary printing press. It is related to.
輪転機印刷機には、巻取紙に印刷した後、各々
決められた仕様形態（大きさ、頁数、折方）に折
るための三角板、ロータリー折機がインラインで
設置されている。通常の折機は、印刷機のサイズ
に合わせてＡ判系列とＢ判系列とに大別でき、そ
れぞれ何種類かの折り作り出せる様になつてい
る。各々決められた位置で折られる様、機械を調
整するが、用紙のテンシヨン不良とか、印刷機の
速度変化等により、正しい決められた位置で折ら
れない折丁が作られることがある。そのため印刷
オペレーターは、排出される折丁をその都度検査
をする必要がある。然し乍ら連続して不良折丁が
出るとは限らず、直ちに発見出来ない場合があつ
て用紙のロスが防ぎにくく、更に折不良を発見す
ると、かなり以前の折丁にさかのぼつて検査をす
る必要が出てきて、時間の損失となる。
The rotary press is equipped with an in-line triangular plate and a rotary folding machine for printing on paper rolls and then folding the paper into predetermined specifications (size, number of pages, folding method). Ordinary folding machines can be roughly divided into A-size series and B-size series depending on the size of the printing press, and each type of folding machine can produce several types of folds. The machine is adjusted so that each sheet is folded at a predetermined position, but due to poor paper tension, changes in printing press speed, etc., some signatures may not be folded at the correct predetermined position. Therefore, the printing operator needs to inspect each ejected signature each time. However, it is not always the case that defective signatures occur continuously, and they may not be detected immediately, making it difficult to prevent paper loss.Furthermore, if defective folding is discovered, it is necessary to go back and inspect signatures from a long time ago. This results in a loss of time.
ここで折機の実例を示し、その働きについて第
２図に従つて説明をする。印刷された用紙は、三
角板１５及びニツプローラー１６等によつて用紙
の流れ方向に２つ折りにされる。そしてロータリ
ー折機の差込胴１７、咥胴１８、受渡胴１９から
なる折胴部へ導入される。差込胴１７には針２３
が配置され、二つ折り用紙の前端に針２３を刺
し、差込胴１７側に矢印方向に巻き付けて所定の
回転角だけ回印すると、差込胴１７に配置されて
いる差込刃２０と咥胴１８に配置されている咥２
１の咥え折りの働きによつて所定の折位置で折ら
れ、咥２１によつて折られた部分を咥えた状態で
咥胴１８側に折丁は搬送される。その時、所定の
回転角だけ回転すると、咥胴１８に配置してある
断截刃２４と差込胴１７の受台２５によつて所定
の長さに切断する。その後、所定の回転角だけ回
転すると咥胴１８と受渡胴１９が咥胴１８に咥え
られている折丁ｐを受渡胴１９に配置してある爪
２２に咥変えをする。その後、搬送ベルト５へ導
入すべきタイミングで爪２２は折丁ｐを咥えた状
態から開放する。その後折丁は搬送ベルト５には
さまれた状態で排紙用羽根車に送り込まれる。羽
根車１２によつて一部づつ折丁を受け、下方の搬
送ベルト１３に乗せる。この様な動きによつて折
丁は折機によつて連続的に作り出される。 Here, an example of a folding machine will be shown, and its function will be explained with reference to FIG. The printed paper is folded in half in the paper flow direction by a triangular plate 15, a nip roller 16, and the like. Then, it is introduced into a folding drum section consisting of an insertion cylinder 17, a catch cylinder 18, and a delivery cylinder 19 of a rotary folding machine. The needle 23 is attached to the insertion barrel 17.
is placed, insert the needle 23 into the front end of the folded sheet, wrap it around the insertion cylinder 17 in the direction of the arrow, and rotate it by a predetermined rotation angle, so that the insertion blade 20 placed on the insertion cylinder 17 and the mouth Mouth 2 located on the trunk 18
The signature is folded at a predetermined folding position by the action of the jaw folder 1, and the signature is conveyed to the jaw barrel 18 side with the folded portion held in the jaw 21. At that time, when it is rotated by a predetermined rotation angle, the cutting blade 24 disposed on the jaw cylinder 18 and the pedestal 25 of the insertion cylinder 17 cut it into a predetermined length. Thereafter, when rotated by a predetermined rotation angle, the jaw cylinder 18 and the delivery cylinder 19 transfer the signature p held in the mouth cylinder 18 to the pawl 22 disposed on the delivery cylinder 19. Thereafter, the claw 22 releases the signature p from the state in which it is held in its mouth at the timing when the signature p is to be introduced into the conveyor belt 5. Thereafter, the signature is conveyed between conveyor belts 5 to a paper discharge impeller. The signatures are received one by one by the impeller 12 and placed on the lower conveyor belt 13. Due to this movement, signatures are continuously produced by the folding machine.
ここで問題となるのは、ロータリー折機により
折られた折位置のズレたまたは曲がつた不良折丁
の発生原因であるが、原因の第１として用紙のテ
ンシヨン変動により用紙の走行状態が変化する場
合、
原因の第２として咥２１と差込刃２０との関係
において、平行に咥えられなかつた時等折不良が
発生する。 The problem here is the cause of defective signatures, such as misaligned or crooked folding positions folded by the rotary folding machine, but the first cause is changes in the running condition of the paper due to fluctuations in the tension of the paper. In this case, the second cause is the relationship between the jaw 21 and the insert blade 20, which may cause a breakage failure if the jaw 21 and the insert blade 20 are not held parallel.
従来、この様に折不良が発生しても人間の目に
よつて検査をする以外になく、大変手間のかかる
もので、正確性にも問題があつた。 Conventionally, even when such folding defects occur, the only way to inspect them is to use human eyes, which is very time-consuming and has problems with accuracy.
＜発明を解決するための問題点＞
本発明は以上の現況に対しなされたものであ
り、光学センサー１つを、チヨツパー折機に設
け、搬送中の折丁の側端部にエツジ位置を時間間
隔をおいて複数回測定し、比較手段、判定手段に
より、折丁の曲がり、ずれを自動的に、かつ正確
に検出する折不良検出装置を提供するものであ
る。<Problems to be solved by the invention> The present invention has been made in view of the above-mentioned current situation. One optical sensor is installed in the chopper folding machine, and the edge position is determined over time at the side edge of the signatures being conveyed. The object of the present invention is to provide a folding defect detection device that automatically and accurately detects bends and deviations in signatures by measuring a plurality of times at intervals and using comparison means and determination means.
＜問題点を解決するための手段＞
以下本発明の折不良検査装置について検査の概
要を第１図と第４図を用いて説明していく。本発
明の検査装置では折丁Ｐが咥え折を完了した後、
チヨツパー折の位置の前当て４へ搬送ベルト５に
より搬送されている時に折丁Ｐが側端部のエツジ
位置を測定する。一例としてチヨツパー折の位置
近くのチヨツパーテーブル１上の測定場所ｍにお
いて搬送されてる途中の折丁Paとチヨツパー折
の位置決めのための前当て４に接する位置まで搬
送された折丁Pbの側端部のエツジ位置を測定す
る。エツジ位置の測定はひとつの折丁について最
低２回行えば十分であるが検査の精度を高めたい
場合はそれ以上の回数の測定を行つてもよい。チ
ヨツパーテーブル１上の測定場所ｍにおける２回
の測定により第４図に示すように最初に折丁Pa
の時側端部Sa、次に折丁Pbの時側端部Sbのエツ
ジ位置が検出される。正しい位置と姿勢でチヨツ
パー折が行われる場合、測定場所ｍで検出される
折丁Ｐのエツジ位置は常に一定になり、この時の
エツジ位置を検査における基準位置とする。チヨ
ツパー折において折れ線位置のずれる折不良が発
生した場合、折丁Ｐはチヨツパー折の前当て４の
前面と平行方向で位置がずれており、このとき折
丁Ｐの側端部Sa，Sbで検出されるエツジ位置は
両方とも基準位置と異なる。またチヨツパ折にお
いて折れ線の角度が曲がる折不良が発生した場
合、折丁Ｐはチヨツパー折の前当て４に完全に接
しておらず、このとき折丁Ｐの側端部Sa，Sbで
検出されるエツジ位置は片方または両方が基準位
置と異なる。従つて２回の測定で得られた折丁の
側端部のエツジ位置をそれぞれ基準位置と比較
し、例えば測定された測端部のエツジ位置と基準
位置の差がある程度以上大きい場合は、折丁がず
れたり曲がつていると判断することができる。測
定されたエツジ位置と基準位置の許容差は、検査
における測定の精度及び検査対象のに要求される
品質によつて変化する。このように本発明の折不
良検査装置により、チヨツパー折の位置に搬送さ
れる折丁の側端部のエツジ位置をチヨツパーテー
ブル上の１カ所で複数回測定し得られるそれぞれ
のエツジ位置を基準位置と比較し折不良の有無を
判定することができる。<Means for Solving the Problems> An outline of the inspection of the folding defect inspection apparatus of the present invention will be explained below with reference to FIGS. 1 and 4. In the inspection device of the present invention, after the signature P has completed the gripping and folding,
The edge position of the side edge of the signature P is measured while it is being conveyed by the conveyor belt 5 to the front stopper 4 at the chopper folding position. As an example, the side of a signature Pa that is being conveyed at the measurement location m on the chopper table 1 near the position of the chopper fold, and the side of the signature Pb that has been conveyed to a position in contact with the front stopper 4 for positioning the chopper fold. Measure the edge position of the end. It is sufficient to measure the edge position at least twice for each signature, but if it is desired to increase the accuracy of the inspection, the measurement may be performed more times. As shown in FIG. 4, the first signature Pa
The edge position of the time side edge Sa and then the time side edge Sb of the signature Pb is detected. When chopper folding is performed at the correct position and orientation, the edge position of the signature P detected at the measurement location m is always constant, and the edge position at this time is used as the reference position for inspection. If a folding defect occurs in which the position of the fold line shifts during the split fold, the signature P is misaligned in a direction parallel to the front surface of the front cover 4 of the split fold, and at this time, the position is detected at the side edges Sa and Sb of the signature P. Both edge positions are different from the reference position. In addition, if a folding defect occurs in which the angle of the fold line is bent during chip folding, the signature P does not completely contact the front cover 4 of the chip folding, and at this time, the signature P is detected at the side edges Sa and Sb of the signature P. One or both of the edge positions differ from the reference position. Therefore, the edge positions of the side edges of the signature obtained in two measurements are each compared with the reference position, and if the difference between the measured edge position of the measured end and the reference position is larger than a certain level, the fold It can be determined that the blade is misaligned or bent. The tolerance between the measured edge position and the reference position varies depending on the accuracy of measurement in the inspection and the quality required of the object to be inspected. In this way, the folding defect inspection device of the present invention measures the edge position of the side edge of the signature conveyed to the chopper folding position multiple times at one location on the chopper table, and calculates each edge position obtained. The presence or absence of folding errors can be determined by comparing with the reference position.
次に本発明の折不良検査装置を具体化した一実
施例としての折不良検査装置の構成について第２
図、第３図、第５図を用い説明する。 Next, we will discuss the configuration of a folding defect inspection device as an embodiment of the folding defect inspection device of the present invention.
This will be explained using FIG. 3, FIG. 5, and FIG.
第２図、第３図におけるセンサヘツド１１はチ
ヨツパー折が行われる位置に折丁Ｐが搬送される
時、チヨツパーテーブル１上で折丁Ｐの側端部の
エツジ位置が測定できる位置に固定されている。
センサヘツド１１はエツジ位置を測定できれば、
アレイセンサ、ラインセンサなどの一次元または
エリアセンサ、撮像素子などの二次元センサを採
用したものでよい。またセンサヘツド１１の照明
（図示せず）は反射形でも透過形でもよい。折丁
Ｐの検査は全ての折丁について行い、それぞれの
検査における折丁のエツジ位置の測定タイミング
をとるため、１折丁につき１回転するようなロー
ラー１６にタイミングセンサー３１，３２を取り
付け、搬送されるひとつの折丁Ｐにつきタイミン
グセンサー３１，３２がお互いの間隔をおいて１
回ずつタイミング信号を発生しタイミング信号毎
に測定が行われる。タイミングセンサ３１，３２
の取付位置は、折丁毎にタイミング信号を発せれ
るような１折丁につき１回転するローラーなどで
あれば他のローラーでもよい。 The sensor head 11 in FIGS. 2 and 3 is fixed at a position on the chopper table 1 where the edge position of the side edge of the signature P can be measured when the signature P is conveyed to the position where chopper folding is performed. has been done.
If the sensor head 11 can measure the edge position,
A one-dimensional sensor such as an array sensor or a line sensor, or a two-dimensional sensor such as an area sensor or an image sensor may be used. Further, the illumination (not shown) of the sensor head 11 may be of a reflective type or a transmissive type. The inspection of the signature P is performed on all the signatures, and in order to determine the timing for measuring the edge position of the signature in each inspection, timing sensors 31 and 32 are attached to the roller 16 that rotates once per signature, and the conveyance is performed. The timing sensors 31 and 32 are set at a distance from each other for each signature P.
A timing signal is generated every time, and measurement is performed for each timing signal. Timing sensor 31, 32
The mounting position may be any other roller as long as it is a roller that rotates once per signature so that a timing signal can be generated for each signature.
次に本発明の折不良検査装置の回路構成につい
て、第５図に基づき説明する。センサヘツド１１
は印刷機の最高運転速度に十分対応できる速度で
常に動作し映像信号Ｖを出力している。エツジ位
置検出部１１０はセンサヘツド１１からの映像信
号Ｖ毎に折丁Ｐのエツジの位置を検出し位置信号
Ｍとして常に出力している。折丁Ｐが搬送された
測定位置に来ると最初にタイミングセンサ３１に
より最初のタイミング信号Taが発され、間隔を
おきタイミングセンサ３２により次のタイミング
信号Tbが発される。タイミング制御部１２０は
タイミング信号Ta，Tbが発されるとそれぞれに
ついて同時に記録信号La，Lbを発し位置記憶部
１３０，１４０にそれぞれの記録信号La，Lbが
出されていた時の位置信号Ｍを記憶させる。 Next, the circuit configuration of the folding defect inspection device of the present invention will be explained based on FIG. 5. Sensor head 11
always operates at a speed sufficient to correspond to the maximum operating speed of the printing press and outputs the video signal V. The edge position detection section 110 detects the edge position of the signature P for each video signal V from the sensor head 11 and always outputs it as a position signal M. When the signature P reaches the conveyed measurement position, the timing sensor 31 first emits the first timing signal Ta, and after an interval, the timing sensor 32 emits the next timing signal Tb. When the timing signals Ta and Tb are issued, the timing control unit 120 simultaneously issues recording signals La and Lb for each of them, and stores the position signals M in the position storage units 130 and 140 when the respective recording signals La and Lb were being output. Make me remember.
このようにしてひとつの折丁が搬送中に折丁側
端部のエツジ位置の測定が２回行われそれぞれの
測定で得られた位置情報が位置記憶部１３０，１
４０に記憶されそれぞれ位置信号Ma，Mbとし
て比較器１５０，１６０に出力される。基準位置
設定部１７０には折丁Ｐがチヨツパー折で正しい
位置・姿勢になる時の折丁Ｐの側端部のエツジ位
置情報が記憶されており、そのエツジ位置を表わ
す基準位置信号Msが基準位置設定部１７０から
出力されている。基準位置設定部１７０における
基準位置の設定は、正常なチヨツパー折が行われ
ている時にセンサヘツド１１とエツジ位置検出部
１１０により検出された位置に基づいて決定され
てもよいし、複数回の検出による位置の平均に基
づいて決定されてもよく、適当な処理または操作
によりどのように決定されてもよい。基準位置信
号Msは、比較器１５０，１６０に入力されてお
り、比較器１５０で位置信号Maと、比較器１６
０では位置信号Mbと、比較される。比較器１５
０，１６０はそれぞれ入力２信号の表わす位置の
差を検出し差信号Da，Dbとして判定器１８０，
１９０に出力される。判定器１８０，１９０は正
常な折丁として許容できる測定で得られたエツジ
位置と基準位置の差の許容範囲量である閾値を記
憶しておりそれぞれにおいて差信号Da，Dbの表
わす差が許容範囲量を越える場合は検査した折丁
が不良であると判定し不良信号Ea，Ebが出力す
る。 In this way, while one signature is being transported, the edge position of the signature side end is measured twice, and the position information obtained from each measurement is stored in the position storage units 130 and 1.
40 and output to comparators 150 and 160 as position signals Ma and Mb, respectively. The reference position setting unit 170 stores the edge position information of the side edge of the signature P when the signature P assumes the correct position and posture during chopper folding, and the reference position signal Ms representing the edge position is used as the reference. It is output from the position setting section 170. The setting of the reference position in the reference position setting section 170 may be determined based on the position detected by the sensor head 11 and the edge position detection section 110 during normal chopper folding, or may be determined based on the position detected by the sensor head 11 and the edge position detection section 110 during normal chopper folding, or may be determined by multiple detections. It may be determined based on an average of the positions, or may be determined in any manner by appropriate processing or manipulation. The reference position signal Ms is input to comparators 150 and 160, and the comparator 150 outputs the position signal Ma and the comparator 16.
If it is 0, it is compared with the position signal Mb. Comparator 15
0 and 160 respectively detect the difference between the positions indicated by the two input signals and output the difference signals Da and Db to the determiner 180,
190. The judgment devices 180 and 190 store threshold values that are the allowable range amount of the difference between the edge position and the reference position obtained by measurements that are acceptable for normal signatures, and the difference represented by the difference signals Da and Db is within the allowable range. If the quantity is exceeded, it is determined that the inspected fold is defective, and defect signals Ea and Eb are output.
ここで許容範囲量である閾値は可変であり検査
の精度、検査対象に対する品質の要求などの場合
に応じ任意の量が設定できるものとしてよい。 Here, the threshold value, which is the allowable range amount, is variable and may be set to an arbitrary amount depending on the inspection accuracy, quality requirements for the inspection object, etc.
タイミングセンサ３１，３２からのタイミング
信号Ta，Tbにより記録信号La，Lbを発しエツ
ジ位置の測定を行わせた後タイミング制御部１２
０は判定器１８０，１９０での判定動作終了と共
に表示信号Ｆを不良表示部２００に発する。不良
表示部２００は表示信号Ｆが入力された時点で判
定器１８０，１９０からの不良信号Ea，Ebの出
力の有無を調べ検査の結果を表示する。 After emitting recording signals La and Lb according to the timing signals Ta and Tb from the timing sensors 31 and 32 to measure the edge position, the timing control section 12
0 outputs the display signal F to the defective display unit 200 upon completion of the determination operation in the determiners 180 and 190. The defect display unit 200 checks whether the defect signals Ea and Eb are output from the determiners 180 and 190 at the time when the display signal F is input, and displays the result of the inspection.
不良表示部２００による検査結果の表示は印刷
機のオペレーターにブザーやランプの点燈で通知
してもよいし、また不良の種類や数を表示した
り、その情報信号を発生し印刷機折機の調整制御
部分にフイードバツクをかけ折機の自動調整に利
用できるようにしてもよい。 The defect display unit 200 may notify the printing press operator of the inspection results by turning on a buzzer or lamp, or may display the type and number of defects, or generate an information signal to notify the printing press operator of the inspection result. Feedback may be applied to the adjustment control part of the folding machine so that it can be used for automatic adjustment of the folding machine.
以上に述べたように本発明の折不良検査装置に
よれば折丁側端部での１つのセンサーのみによる
エツジ位置検出という簡素な測定といかなる装置
でも、実現可能な処理により容易に折不良の発生
を検知することができ、印刷物の品質安定、損紙
の減少などの優れた効果を発揮することができる
ものである。
As described above, according to the folding defect inspection device of the present invention, folding defects can be easily detected by the simple measurement of edge position detection using only one sensor at the edge of the signature and by the process that can be implemented with any device. It is possible to detect the occurrence of printing, and it can exhibit excellent effects such as stabilizing the quality of printed matter and reducing paper waste.
図面は本発明の一実施例を示すものであり第１
図は本発明の折不良検査装置におけるチヨツパー
折位置での測定場所を示す平面の説明図、第２
図、第３図は本発明の折不良検査装置を具体的に
行う検査装置例のセンサヘツド及びタイミングセ
ンサの取付位置を示す外観の説明図、第４図は本
発明の検査装置により測定される折丁側端部の位
置を示す平面の説明図、第５図は本発明の折不良
検査装置の全体構成例を示すブロツク図である。
１：チヨツパーテーブル、４：前当て、５：搬
送ベルト、１１：センサヘツド、３１，３２……
タイミングセンサー、１１０……エツジ位置検出
部、１２０……タイミング制御部、１３０，１４
０……位置記憶部、１５０，１６０……比較器、
１７０……基準位置設定部、１８０，１９０……
判定器、２００……不良表示器、１００……折不
良検査装置、２……チヨツパー折機。
The drawings show one embodiment of the present invention.
The figure is an explanatory plan view showing the measurement location at the folding position of the folding defect inspection device of the present invention.
3 is an explanatory view of the appearance of an example of an inspection device for specifically carrying out the folding defect inspection device of the present invention, showing the sensor head and the mounting position of the timing sensor, and FIG. FIG. 5 is an explanatory plan view showing the position of the edge on the edge, and FIG. 5 is a block diagram showing an example of the overall configuration of the folding defect inspection apparatus of the present invention. 1: Chopper table, 4: Front plate, 5: Conveyor belt, 11: Sensor head, 31, 32...
Timing sensor, 110... Edge position detection section, 120... Timing control section, 130, 14
0...Position storage unit, 150, 160...Comparator,
170...Reference position setting section, 180, 190...
Judgment device, 200...Failure indicator, 100...Folding defect inspection device, 2...Chopper folding machine.
Claims (1)
折機において、チヨツパーテープル面を前当てに
向かつて前端部を当接させるために移動する折丁
の側端部を検出できる位置に折丁側端部の位置変
動を測定する１個のラインセンサー、撮像素子等
の光学センサーを設け、該センサーからの検出信
号を入力して位置信号Ｍを発するエツジ位置検出
部と、１つの折丁毎の側端部に対する側端部位置
測定回数ｎに相当する数の測定タイミング信号を
ある時間間隔を置いて発するタイミングセンサー
と、該タイミングセンサーからの測定タイミング
信号を入力し前記時間間隔を置いて記録信号を発
するタイミング制御部と、該それぞれの記録信号
を入力し該信号の出されていた時の前記位置信号
Ｍを記録するそれぞれ位置記憶部とを備える測定
手段と、該それぞれの記憶された位置信号Ｍと予
め設定された基準位置設定部からの基準位置信号
Msとを比較して差信号を発するそれぞれ比較器
を備える比較手段と、該差信号を入力し且つ予め
設定された許容閾値を越える場合は不良信号Ｅを
発する判定器を備える判定手段とを設けて、不良
表示器に該判定の結果を出力することを特徴とす
る折不良検査装置。1. In the chopper folding machine connected to the rear part of the folding machine of a rotary printing press, place the signature in a position where the side edges of the signatures that are being moved can be detected so that the chopper table surface faces the front support and the front edge comes into contact with the folding machine. An edge position detection unit is provided with an optical sensor such as a line sensor or an image sensor that measures the positional fluctuation of the side edge, and an edge position detection unit that inputs the detection signal from the sensor and outputs a position signal M. a timing sensor that emits a number of measurement timing signals corresponding to the number of times n of side edge position measurements for the side edge of the frame at certain time intervals; and a timing sensor that inputs the measurement timing signals from the timing sensor and records them at the time intervals. Measuring means comprising a timing control section for emitting a signal, a respective position storage section for inputting the respective recording signal and recording the position signal M when the signal was being output, and each of the memorized positions. Signal M and a reference position signal from a preset reference position setting section
Comparing means each having a comparator that compares the difference signal with M s and generating a difference signal, and determining means comprising a determining device that receives the difference signal and generates a defect signal E when the difference signal exceeds a preset allowable threshold. A folding defect inspection device characterized in that the folding defect inspection device is provided with a defect indicator and outputs the result of the determination on a defect indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25626484A JPS61136868A (en) | 1984-12-04 | 1984-12-04 | Folding failure inspecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25626484A JPS61136868A (en) | 1984-12-04 | 1984-12-04 | Folding failure inspecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61136868A JPS61136868A (en) | 1986-06-24 |
| JPH0541550B2 true JPH0541550B2 (en) | 1993-06-23 |
Family
ID=17290225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25626484A Granted JPS61136868A (en) | 1984-12-04 | 1984-12-04 | Folding failure inspecting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61136868A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51149726A (en) * | 1975-06-17 | 1976-12-22 | Fujitsu Ltd | Method of checking oblique movement |
-
1984
- 1984-12-04 JP JP25626484A patent/JPS61136868A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51149726A (en) * | 1975-06-17 | 1976-12-22 | Fujitsu Ltd | Method of checking oblique movement |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61136868A (en) | 1986-06-24 |
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