JPH08258243A - Temperature control device and temperature detector - Google Patents
Temperature control device and temperature detectorInfo
- Publication number
- JPH08258243A JPH08258243A JP32496895A JP32496895A JPH08258243A JP H08258243 A JPH08258243 A JP H08258243A JP 32496895 A JP32496895 A JP 32496895A JP 32496895 A JP32496895 A JP 32496895A JP H08258243 A JPH08258243 A JP H08258243A
- Authority
- JP
- Japan
- Prior art keywords
- value
- printing
- hot air
- temperature
- passing
- 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.)
- Pending
Links
Landscapes
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、オフセツト印刷機
等の印刷機に付設される印刷乾燥装置の温度制御装置の
改良及び乾燥装置を通過する印刷紙等のウエツブの表面
温度を検出する温度検出装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a temperature control device of a printing / drying apparatus attached to a printing machine such as an offset printing machine and a temperature detection for detecting the surface temperature of a web such as a printing paper passing through the drying apparatus. It relates to the device.
【０００２】[0002]
【従来の技術】従来、印刷乾燥装置１は、図５に示す如
く、オフセツト印刷装置１１と冷却ロール１８との間
に、一般に二組が配置される。各印刷乾燥装置１は、箱
状のケーシング１ａ（図４中に二点鎖線で示す）の内部
に印刷紙Ｗの通過する印刷紙搬送路Ｒが形成され、印刷
紙搬送路Ｒの上下に、印刷紙搬送路Ｒを横断する方向に
延設した熱風噴出用ノズル箱１２，１２…の複数が配設
されている。各印刷乾燥装置１は、印刷装置１１で印刷
された印刷紙Ｗが印刷紙搬送路Ｒを通過する間に、各ノ
ズル箱１２から噴出した熱風で印刷紙Ｗを浮揚（フロー
テイング）させながら印刷インクを急速乾燥させる。2. Description of the Related Art Conventionally, as shown in FIG. 5, two sets of a printing / drying apparatus 1 are generally arranged between an offset printing apparatus 11 and a cooling roll 18. Each of the printing and drying apparatuses 1 has a box-shaped casing 1a (shown by a chain double-dashed line in FIG. 4) in which a printing paper transport path R through which the printing paper W passes is formed. A plurality of hot air jet nozzle boxes 12, 12, ... Extending in a direction traversing the print paper conveyance path R are arranged. Each printing / drying apparatus 1 prints while the printing paper W printed by the printing apparatus 11 passes through the printing paper transport path R while floating the printing paper W with the hot air jetted from each nozzle box 12. Allow the ink to dry quickly.
【０００３】各ノズル箱１２に熱風を供給する熱風発生
装置は、各ノズル箱１２から噴出して乾燥作用の終了し
た熱風を吸引口１３ａで吸引する循環フアン１３と、循
環フアン１３と各ノズル箱１２とを連通するダクト１４
と、循環フアン１３に近接するダクト部分１４ａ（図４
参照）に配置したバーナ２とを備えている。熱源にバー
ナ２を用いるのは、熱風を設定温度まで急速に昇温させ
るためであり、印刷前に行う通紙から本印刷までが短時
間に行われるからである。The hot air generator for supplying hot air to each nozzle box 12 has a circulation fan 13 for sucking the hot air blown out from each nozzle box 12 and dried by a suction port 13a, a circulation fan 13 and each nozzle box. Duct 14 communicating with 12
And the duct portion 14a (FIG.
And the burner 2 arranged in (see). The reason why the burner 2 is used as the heat source is to rapidly raise the temperature of the hot air to the set temperature, and it is possible to perform the paper passing before printing and the main printing in a short time.
【０００４】前記印刷乾燥装置１，１は、乾燥作用の終
了した熱風の一部を排気ガスとして排出するための排気
ダクト１５（図４参照）が設けられ、印刷乾燥装置１，
１の上方等に配置した脱臭装置（図示省略）に排気ガス
を導くようにしてある。The print drying apparatus 1, 1 is provided with an exhaust duct 15 (see FIG. 4) for discharging a part of the hot air whose drying operation has ended as exhaust gas.
The exhaust gas is guided to a deodorizing device (not shown) arranged above the unit 1.
【０００５】前記印刷乾燥装置１，１の二組を接続して
用いるのは、各印刷乾燥装置１のノズル箱１２から噴出
する熱風の温度及び風速を調節することにより、最適な
インク乾燥ができるようにするためである。印刷装置１
１に近い前半の印刷乾燥装置１の温度制御装置１６は、
バーナ２の発熱量を調節する調節計３と、調節計３に目
標値ｇを出力する目標値設定器１７と、各ノズル箱１２
へ供給する熱風の温度を検出する温度検出器Ｓ１とを備
えている。目標値設定器１７は、本印刷に対応した温度
を唯一設定できるようになつている。温度制御装置１６
は、目標値ｇと温度検出器Ｓ１の出力値ｂとの偏差値
（ｇ−ｂ）を調節計３へ出力するように構成してある。By connecting and using the two sets of the printing and drying apparatuses 1 and 1, optimum ink drying can be performed by adjusting the temperature and the speed of the hot air blown from the nozzle box 12 of each printing and drying apparatus 1. To do so. Printer 1
The temperature control device 16 of the print drying device 1 in the first half, which is close to 1,
Controller 3 for adjusting the calorific value of burner 2, target value setter 17 for outputting target value g to controller 3, each nozzle box 12
And a temperature detector S1 for detecting the temperature of the hot air supplied to. The target value setting device 17 can set only the temperature corresponding to the main printing. Temperature control device 16
Is configured to output a deviation value (g-b) between the target value g and the output value b of the temperature detector S1 to the controller 3.
【０００６】冷却ロール１８に近い後半の印刷乾燥装置
１の温度制御装置１９は、バーナ２の発熱量を調節する
調節計３と、調節計３に目標値ｊを出力する目標値設定
器２０と、印刷乾燥装置１から出た直後の印刷紙Ｗの紙
面温度を検出する紙面温度検出器Ｓ２とを備えている。
温度制御装置１９は、目標値ｊと紙面温度検出器Ｓ２の
出力値ｋとの偏差値（ｊ−ｋ）を調節計３へ出力するよ
うに構成してある。The temperature controller 19 of the print dryer 1 in the latter half of the vicinity of the cooling roll 18 includes a controller 3 for adjusting the heat generation amount of the burner 2 and a target value setter 20 for outputting a target value j to the controller 3. A paper surface temperature detector S2 for detecting the paper surface temperature of the printing paper W immediately after it has come out of the print drying apparatus 1.
The temperature control device 19 is configured to output a deviation value (j−k) between the target value j and the output value k of the paper surface temperature detector S2 to the controller 3.
【０００７】[0007]
【発明が解決しようとする課題】ところで、オフセツト
印刷は、印刷前に行う印刷紙Ｗの通紙が終了した後に、
印刷紙Ｗを低速度で搬送しながら印刷を開始し、続けて
印刷状態のまま印刷紙Ｗの搬送速度を所定の本印刷の速
度まで増速するのが一般である。このとき、前半の印刷
乾燥装置１は、印刷開始直前から温度制御装置１６を起
動させて、ノズル箱１２から熱風を噴出して印刷インク
の乾燥ができるようにする。しかし、温度制御装置１６
は、目標値設定器１７から本印刷に対応した温度を唯一
設定できるようになつているため、本印刷に達する前の
低速度の印刷状態のときにも、本印刷に対応した高温度
の熱風を各ノズル箱１２から噴出させ、印刷紙Ｗを過乾
燥状態にする。そのため、従来の温度制御装置１６は、
本印刷に達する以前の低速度で印刷した印刷紙Ｗに火ぶ
くれ（ブリスタ）を発生させ、本印刷前の印刷紙Ｗが欠
陥品となる問題があつた。By the way, in the offset printing, after the passing of the printing paper W performed before printing is completed,
It is general that printing is started while the printing paper W is being conveyed at a low speed, and then the conveyance speed of the printing paper W is increased to a predetermined main printing speed in the printing state. At this time, the printing drying device 1 in the first half activates the temperature control device 16 immediately before the start of printing, and blows hot air from the nozzle box 12 so that the printing ink can be dried. However, the temperature control device 16
Since only the temperature corresponding to the main printing can be set from the target value setting unit 17, even in the low speed printing state before reaching the main printing, the hot air of the high temperature corresponding to the main printing is set. Is ejected from each nozzle box 12 to bring the printing paper W into an overdried state. Therefore, the conventional temperature control device 16 is
There is a problem that the printing paper W printed at a low speed before the main printing is caused to blister and the printing paper W before the main printing becomes a defective product.
【０００８】この問題を解決するために、前半の印刷乾
燥装置１の温度制御装置１６は、後半の印刷乾燥装置１
の温度制御装置１９の如く紙面温度を検出して温度制御
するようにすることも考えられる。しかし、印刷乾燥装
置１の内部に紙面温度検出器Ｓ２を配置することは、耐
熱性等の問題点から本来的に困難である。In order to solve this problem, the temperature control device 16 of the print drying device 1 in the first half is set to the print drying device 1 in the second half.
It is also conceivable to detect the paper surface temperature and control the temperature like the temperature control device 19 of FIG. However, it is inherently difficult to dispose the paper surface temperature detector S2 inside the print drying apparatus 1 due to problems such as heat resistance.
【０００９】本発明は、上記問題を解決するために、印
刷速度に応じた最適の熱風温度が得られるようにする印
刷乾燥装置用の温度制御装置及び乾燥装置内を通過する
印刷紙等のウエツブの表面温度が検出できる温度検出装
置の提供を目的とする。In order to solve the above problems, the present invention provides a temperature control device for a print drying device for obtaining an optimum hot air temperature according to a printing speed and a web such as a printing paper passing through the drying device. It is an object of the present invention to provide a temperature detecting device capable of detecting the surface temperature of the.
【００１０】[0010]
【課題を解決するための手段】請求項１記載の本発明の
要旨は、図１に示す如く、印刷乾燥装置１内を通過する
印刷紙Ｗに吹き付ける熱風の温度を、該熱風を発生させ
るバーナ２の発熱量で調節するものであつて、該バーナ
２を調節する調節計３と、該調節計３に目標値ａを出力
する目標値設定器４とを備え印刷乾燥装置用の温度制御
装置において、前記目標値設定器４は、前記印刷紙Ｗの
通過速度値ＶＰが入力され、該通過速度値ＶＰに応じた
所定の熱風温度値ＴＳＶの前記目標値ａを出力すること
を特徴とする温度制御装置である。SUMMARY OF THE INVENTION The gist of the present invention as set forth in claim 1 is, as shown in FIG. 1, a burner for generating hot air at the temperature of the hot air blown onto the printing paper W passing through the inside of the print drying device 1. A temperature controller for a print dryer, which is provided with a controller 3 for adjusting the burner 2 and a target value setter 4 for outputting a target value a to the controller 3 In the above, the target value setter 4 receives the passing speed value V P of the printing paper W and outputs the target value a of a predetermined hot air temperature value T SV according to the passing speed value V P. It is a characteristic temperature control device.
【００１１】請求項２記載の本発明の要旨は、請求項１
記載の温度制御装置において、前記所定の熱風温度値Ｔ
ＳＶが、前記印刷紙Ｗの本印刷速度値Ｖ１、この本印刷
速度値Ｖ１に対応する本印刷熱風温度値Ｔ１、最低熱風
温度値Ｔ２及び前記印刷紙Ｗの通過速度値ＶＰとしたと
き、ＴＳＶ＝（Ｔ１−Ｔ２）×（ＶＰ÷Ｖ１）＋Ｔ２と
なるようにしたことである。The gist of the present invention as set forth in claim 2 is as follows.
In the temperature control device described above, the predetermined hot air temperature value T
SV is, the printing speed value V 1 of the said printed sheet W, the print hot air temperature value T 1 corresponding to the present printing speed value V 1, the lowest hot-air temperature value T 2 and passing speed value V P of the printing paper W Then, T SV = (T 1 −T 2 ) × (V P ÷ V 1 ) + T 2 .
【００１２】請求項３記載の本発明の要旨は、請求項１
記載の温度制御装置において、前記目標値設定器４が、
前記印刷紙Ｗの各種の通過速度値ＶＰに応じた熱風温度
値ＴＳＶを予め定めるプリセツト回路と、入力された前
記印刷紙Ｗの通過速度値ＶＰに対応する予め定められた
所定の熱風温度値ＴＳＶを出力する出力回路とを備えた
ことである。The gist of the present invention as set forth in claim 3 is as follows.
In the temperature control device described, the target value setting device 4 is
A preset circuit that presets a hot air temperature value T SV corresponding to various passing speed values V P of the printing paper W, and a predetermined hot air blowing that corresponds to the input passing speed value V P of the printing paper W. And an output circuit for outputting the temperature value T SV .
【００１３】請求項４記載の本発明の要旨は、図２に示
す如く、印刷乾燥装置１内を通過する印刷紙Ｗに吹き付
ける熱風の温度を、該熱風を発生させるバーナ２の発熱
量で調節するものであつて、該バーナ２を調節する調節
計３と、該調節計３に目標値ａを出力する目標値設定器
５と、該印刷乾燥装置１内を通過する印刷紙Ｗの紙面温
度を検出する紙面温度検出器Ｓ３とを備えた印刷乾燥装
置用の温度制御装置において、前記目標値設定器５は、
前記紙面温度検出器Ｓ３の検出紙面温度値ｄと設定紙面
温度値ｅとの偏差値（ｅ−ｄ）に、設定熱風温度値ｆを
加えた値（ｆ＋（ｅ−ｄ））の目標値ａを出力すること
を特徴とする温度制御装置である。As shown in FIG. 2, the gist of the present invention as set forth in claim 4 is to adjust the temperature of the hot air blown onto the printing paper W passing through the inside of the print drying device 1 by the amount of heat generated by the burner 2 for generating the hot air. The controller 3 for adjusting the burner 2, the target value setting device 5 for outputting the target value a to the controller 3, and the surface temperature of the printing paper W passing through the inside of the printing / drying apparatus 1. In the temperature control device for the print drying device, which comprises a paper surface temperature detector S3 for detecting
A target value a of a value (f + (ed)) obtained by adding a set hot air temperature value f to the deviation value (ed) between the detected paper surface temperature value d of the paper surface temperature detector S3 and the set paper surface temperature value e. Is a temperature control device.
【００１４】請求項５記載の本発明の要旨は、図２及び
図３に示す如く、乾燥装置１内を通過するウエツブＷの
表面温度を検出する表面温度検出器Ｓ３を乾燥装置１外
に配置した温度検出装置において、乾燥装置１の内外に
透視筒６を貫設させ、該透視筒６の一端開口部６ａを乾
燥装置１内のウエツブ搬送路Ｒに臨ませると共に、透視
筒６の他端開口部６ｂを前記表面温度検出器Ｓ３に臨ま
せ、該透視筒６の他端開口部６ｂと前記表面温度検出器
Ｓ３との間の空間Ｐを移動する透明板７を配設し、該空
間Ｐの外で該移動透明板７の表面を清掃する清掃具８を
配設したことを特徴する温度検出装置である。2 and 3, the surface temperature detector S3 for detecting the surface temperature of the web W passing through the inside of the drying device 1 is arranged outside the drying device 1. As shown in FIGS. In the temperature detecting device, the transparent tube 6 is provided inside and outside the drying device 1 so that the opening 6a at one end of the transparent tube 6 faces the web transfer path R in the drying device 1 and the other end of the transparent tube 6 is provided. The opening 6b is exposed to the surface temperature detector S3, and a transparent plate 7 that moves in a space P between the other end opening 6b of the see-through tube 6 and the surface temperature detector S3 is provided. The temperature detecting device is characterized in that a cleaning tool 8 for cleaning the surface of the movable transparent plate 7 is provided outside P.
【００１５】請求項１〜３記載の本発明にあつては、図
１に示す如く、印刷紙Ｗの通過速度値ＶＰに応じた所定
の熱風温度値ＴＳＶの目標値ａが調節計３に出力される
ため、所定の熱風温度となるようにバーナ２の発熱量を
調節することができる。従って、本発明は、乾燥装置１
内を通過する印刷紙Ｗに吹き付ける熱風の温度を、印刷
速度に応じた最適温度とすることができる。In the present invention according to claims 1 to 3, as shown in FIG. 1, the target value a of the predetermined hot air temperature value T SV corresponding to the passing speed value V P of the printing paper W is the controller 3. Therefore, the calorific value of the burner 2 can be adjusted so as to obtain a predetermined hot air temperature. Therefore, the present invention relates to the drying device 1
The temperature of the hot air blown onto the printing paper W passing through the inside can be set to the optimum temperature according to the printing speed.
【００１６】請求項４記載の本発明にあつては、図２に
示す如く、紙面温度検出器Ｓ３の検出紙面温度値ｄと設
定紙面温度値ｅとの偏差値（ｅ−ｄ）に、設定熱風温度
値ｆを加えた値（ｆ＋（ｅ−ｄ））の目標値ａが調節計
３に出力されるため、紙面温度を考慮した所定の熱風温
度となるようにバーナ２の発熱量を調節することができ
る。従って、本発明は、乾燥装置１内を通過する印刷紙
Ｗに吹き付ける熱風の温度を、印刷速度に応じた最適温
度とすることができる。According to the fourth aspect of the present invention, as shown in FIG. 2, the deviation value (ed) between the detected paper surface temperature value d of the paper surface temperature detector S3 and the set paper surface temperature value e is set. Since the target value a of the value (f + (e−d)) added with the hot air temperature value f is output to the controller 3, the calorific value of the burner 2 is adjusted so as to be the predetermined hot air temperature considering the paper surface temperature. can do. Therefore, according to the present invention, the temperature of the hot air blown onto the printing paper W passing through the drying device 1 can be set to the optimum temperature according to the printing speed.
【００１７】請求項５記載の本発明にあつては、図２及
び図３に示す如く、乾燥装置１内を通過するウエツブＷ
の表面から発せられる遠赤外線等の熱線は、透視筒６及
び透明板７を通過して表面温度検出器Ｓ３に導かれる。
従って、表面温度検出器Ｓ３は、乾燥装置１の外でウエ
ツブＷの表面温度を検出できる。乾燥装置１の内部から
透視筒６へ落下等する紙粉や乾燥ミスト等の塵Ｎは、透
明板７で受け止められ、表面温度検出器Ｓ３に到達する
ことは決してない。透明板７で受け止められた塵Ｎは、
移動する透明板７で透視筒６と表面温度検出器Ｓ３との
間の空間Ｐから外に運び出され、清掃具８で除去され。According to the present invention of claim 5, as shown in FIGS. 2 and 3, a web W passing through the inside of the drying device 1 is used.
Heat rays such as far infrared rays emitted from the surface of the sheet pass through the transparent tube 6 and the transparent plate 7 and are guided to the surface temperature detector S3.
Therefore, the surface temperature detector S3 can detect the surface temperature of the web W outside the drying device 1. The dust N such as paper dust or dry mist that falls from the inside of the drying device 1 to the transparent tube 6 is received by the transparent plate 7 and never reaches the surface temperature detector S3. The dust N received by the transparent plate 7 is
It is carried out of the space P between the transparent tube 6 and the surface temperature detector S3 by the moving transparent plate 7 and removed by the cleaning tool 8.
【００１８】[0018]
【発明の実施の形態】以下、本発明に係る温度制御装置
及び温度検出装置を図面に示す実施の形態に基づいて説
明する。 （第１の実施の形態）図１は本発明に係る印刷乾燥装置
用の温度制御装置の第１の実施の形態を示す模式図であ
る。本実施の形態の改良点は、目標値設定器４が、入力
された印刷紙Ｗの通過速度値ＶＰに応じた所定の熱風温
度値ＴＳＶの目標値ａを調節計３に出力するようにした
ことである。本実施の形態における該改良点以外の構成
は、従来例（図４及び図５）と同一であり、同一符号は
同一構成要素又は信号等を示す。印刷紙Ｗの通過速度値
ＶＰは、印刷装置１１の速度設定器２１の出力信号等が
用いられる。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a temperature control device and a temperature detection device according to the present invention will be described based on the embodiments shown in the drawings. (First Embodiment) FIG. 1 is a schematic view showing a first embodiment of a temperature control device for a print drying device according to the present invention. The improvement of the present embodiment is that the target value setter 4 outputs a target value a of a predetermined hot air temperature value T SV corresponding to the input passing speed value V P of the printing paper W to the controller 3. That is what I did. The configuration of this embodiment other than the improvements is the same as that of the conventional example (FIGS. 4 and 5), and the same reference numerals indicate the same components or signals. As the passing speed value V P of the printing paper W, the output signal of the speed setting device 21 of the printing device 11 or the like is used.
【００１９】上記目標値設定器４は、印刷紙Ｗの本印刷
速度値Ｖ１、この本印刷速度値Ｖ１に対応する本印刷熱
風温度値Ｔ１、最低熱風温度値Ｔ２及び印刷紙Ｗの通過
速度値ＶＰとしたとき、次式（イ）で導かれる所定の熱
風温度値ＴＳＶが得られるように回路構成されている。 ＴＳＶ＝（Ｔ１−Ｔ２）×（ＶＰ÷Ｖ１）＋Ｔ２…（イ） 上記本印刷熱風温度値Ｔ１及び最低熱風温度値Ｔ２は、
印刷インクの種類，印刷紙Ｗの坪量及び各ノズル箱１２
から吐出される熱風の風速等の諸条件が決定されると、
蓄積された過去の運転データとの対比において決定され
る。この対比と決定は、コンピユータ等を用いて自動的
に行なうことが好ましい。[0019] The target value setting unit 4, the printing speed value V 1 of the print paper W, the print hot air temperature value T 1 corresponding to the present printing speed value V 1, the lowest hot-air temperature value T 2 and the printing paper W When the passing velocity value V P is set to V P , the circuit is configured so that a predetermined hot air temperature value T SV derived by the following equation (A) is obtained. T SV = (T 1 −T 2 ) × (V P ÷ V 1 ) + T 2 (a) The main printing hot air temperature value T 1 and the minimum hot air temperature value T 2 are
Type of printing ink, basis weight of printing paper W, and each nozzle box 12
When various conditions such as the wind speed of hot air discharged from the
It is determined in comparison with accumulated past operation data. It is preferable that the comparison and the determination are automatically performed by using a computer or the like.
【００２０】前記調節計３は、前記目標値設定器４が発
する目標値ａと温度検出器Ｓ１の出力値ｂとの偏差値
（ａ−ｂ）が入力され、この偏差値（ａ−ｂ）に基づい
てバーナ２の発熱量を制御し、ダクト１４を通過する熱
風の温度が所定の熱風温度値ＴＳＶとなるようにする。The deviation value (ab) between the target value a emitted by the target value setting device 4 and the output value b of the temperature detector S1 is input to the controller 3, and the deviation value (ab) is inputted. The heat generation amount of the burner 2 is controlled on the basis of the above so that the temperature of the hot air passing through the duct 14 becomes a predetermined hot air temperature value T SV .
【００２１】前記目標値設定器４の別態様としては、上
記式（イ）を用いることなく、印刷紙Ｗの各種の通過速
度値ＶＰに応じた熱風温度値ＴＳＶを人手又はコンピユ
ータを用いて予め入力するプリセツト回路（図示省略）
と、速度設定器２１が発する印刷紙Ｗの通過速度値ＶＰ
に対応する熱風温度値ＴＳＶをプリセツト回路から導き
出すと共に導き出した熱風温度値ＴＳＶを目標値ａとし
て調節計３に出力す出力回路（図示省略）とを備えたも
ので構成することもある。As another mode of the target value setting device 4, the hot air temperature value T SV corresponding to various passing speed values V P of the printing paper W is manually or by computer without using the above equation (a). Preset circuit (not shown)
And the passing speed value V P of the printing paper W issued by the speed setter 21.
May be provided with an output circuit (not shown) for deriving the hot air temperature value T SV corresponding to the above from the preset circuit and outputting the derived hot air temperature value T SV to the controller 3 as the target value a.
【００２２】本実施の形態にあつては、印刷紙Ｗの通過
速度値ＶＰに応じた所定の熱風温度値ＴＳＶの目標値ａ
が調節計３に出力されるため、所定の熱風温度となるよ
うにバーナ２の発熱量を調節することができる。従っ
て、本実施の形態は、前半の乾燥装置１内を通過する印
刷紙Ｗに吹き付ける熱風の温度を、印刷速度に応じた最
適温度とすることができる。そのため、本実施の形態
は、印刷開始から本印刷までの間に印刷された印刷紙Ｗ
に火ぶくれ（ブリスタ）を発生させるとこなく、最適の
熱風温度で確実に印刷インクを乾燥させることができ
る。In the present embodiment, the target value a of the predetermined hot air temperature value T SV corresponding to the passing speed value V P of the printing paper W is set.
Is output to the controller 3, the calorific value of the burner 2 can be adjusted so that the hot air temperature becomes a predetermined value. Therefore, in the present embodiment, the temperature of the hot air blown onto the printing paper W passing through the inside of the drying device 1 in the first half can be the optimum temperature according to the printing speed. Therefore, in the present embodiment, the printing paper W printed between the start of printing and the actual printing is
The printing ink can be reliably dried at the optimum hot air temperature without causing blisters on the surface.
【００２３】（第２の実施の形態）図２は本発明に係る
印刷乾燥装置用の温度制御装置の第２の実施の形態を示
す模式図である。本実施の形態の改良点は、本発明に係
る温度検出装置２３を配設し、目標値設定器５が、温度
検出装置２３を構成する紙面温度検出器Ｓ３の検出した
印刷紙Ｗの検出紙面温度値ｄと設定紙面温度値ｅとの偏
差値（ｅ−ｄ）に、設定熱風温度値ｆを加えた値（ｆ＋
（ｅ−ｄ））を目標値ａとして調節計３に出力するよう
にしたことである。本実施の形態における該改良点以外
の構成は、従来例（図４及び図５）と同一であり、同一
符号は同一構成要素又は信号等を示す。(Second Embodiment) FIG. 2 is a schematic diagram showing a second embodiment of a temperature control device for a print drying device according to the present invention. The improvement of the present embodiment is that the temperature detecting device 23 according to the present invention is provided, and the target value setting device 5 detects the paper surface of the printing paper W detected by the paper surface temperature detector S3 constituting the temperature detecting device 23. A value (f +) obtained by adding the set hot air temperature value f to the deviation value (ed) between the temperature value d and the set paper surface temperature value e.
(Ed)) is output to the controller 3 as the target value a. The configuration of this embodiment other than the improvements is the same as that of the conventional example (FIGS. 4 and 5), and the same reference numerals indicate the same components or signals.
【００２４】上記目標値設定器５は、上記設定紙面温度
値ｅを出力する紙面温度設定器２５と、上記設定熱風温
度値ｆを出力する熱風温度設定器２４とを備えている。
上記設定紙面温度値ｅ及び設定熱風温度値ｆは、印刷イ
ンクの種類，印刷紙Ｗの坪量及び各ノズル箱１２から吐
出される熱風の風速等の諸条件が決定されると、蓄積さ
れた過去の運転データとの対比において人手又はコンピ
ユータ等で決定される。The target value setting device 5 is provided with a paper surface temperature setting device 25 for outputting the set paper surface temperature value e and a hot air temperature setting device 24 for outputting the set hot air temperature value f.
The set paper surface temperature value e and the set hot air temperature value f are accumulated when various conditions such as the type of printing ink, the basis weight of the printing paper W, and the wind speed of the hot air discharged from each nozzle box 12 are determined. It is determined manually or by a computer in comparison with past driving data.
【００２５】前記調節計３は、前記目標値設定器５が発
する目標値ａと温度検出器Ｓ１の出力値ｂとの偏差値
（ａ−ｂ）が入力され、この偏差値（ａ−ｂ）に基づい
てバーナ２を制御し、印刷紙Ｗの紙面温度が設定紙面温
度値ｅとなるような熱風を各ノズル箱１２に供給できる
ようにする。The deviation value (ab) between the target value a issued by the target value setting device 5 and the output value b of the temperature detector S1 is input to the controller 3, and the deviation value (ab) is inputted. Based on the above, the burner 2 is controlled to supply hot air to each nozzle box 12 such that the surface temperature of the printing paper W becomes the set surface temperature value e.
【００２６】前記温度検出装置２３は、印刷乾燥装置１
の内外に貫設した透視筒６と、印刷乾燥装置１の外に配
設した表面温度検出器Ｓ３と、透視筒６の他端開口部６
ｂと表面温度検出器Ｓ３との間の空間Ｐを移動するよう
に移動自在に配設した透明板７（図３参照）と、移動透
明板７の表面を清掃する清掃具８とを備えている。該透
視筒６は、前半の印刷乾燥装置１内のウエツブ搬送路Ｒ
の終端寄りに一端開口部６ａを臨ませると共に、表面温
度検出器Ｓ３の受光部に他端開口部６ｂを臨ませてあ
る。該透視筒６は、印刷紙であるウエツブＷの表面から
発せられる遠赤外線等の熱線を筒内６ｃを通過させて表
面温度検出器Ｓ３に導くように構成されている。The temperature detecting device 23 is the print drying device 1.
, A surface temperature detector S3 disposed outside the print drying apparatus 1, and an opening 6 at the other end of the transparent tube 6.
The transparent plate 7 (see FIG. 3) movably arranged so as to move in the space P between the surface b and the surface temperature detector S3, and the cleaning tool 8 for cleaning the surface of the moving transparent plate 7 are provided. There is. The see-through tube 6 is a web transport path R in the first-half print drying apparatus 1.
The one end opening 6a is made to face toward the terminal end and the other end opening 6b is made to face the light receiving part of the surface temperature detector S3. The see-through cylinder 6 is configured so that heat rays such as far infrared rays emitted from the surface of the web W, which is a printing paper, pass through the inside 6c of the cylinder and are guided to the surface temperature detector S3.
【００２７】上記透明板７は、耐熱性の透明ガラス板等
から円板状に形成され、減速機付モータ等の回転出力軸
２６に固定され、前記空間Ｐを適宜速度で通過するよう
になつている。前記清掃具８は、前記空間Ｐの外に配設
されており、透明板７の少なくとも上面７ａを掻き取る
ブレード２７と、ブレード２７を保持するホルダ２８と
を備えて、回転中の透明板７の上面７ａに落下した紙粉
や乾燥ミスト等の塵Ｎを透明板７の外部へ除去する。ブ
レード２７は、透明板２７から塵Ｎが円滑に除去される
ように、透明板７の半径方向より若干後退する方向に傾
斜させてある。清掃具８は、透明板７の上下両面を清掃
するように、ブレード２７を上下に設けることも可能で
ある。The transparent plate 7 is formed in a disk shape from a heat-resistant transparent glass plate or the like, is fixed to a rotation output shaft 26 of a motor with a speed reducer, and passes through the space P at an appropriate speed. ing. The cleaning tool 8 is disposed outside the space P, and includes a blade 27 for scraping at least the upper surface 7a of the transparent plate 7 and a holder 28 for holding the blade 27. The dust N such as paper dust and dry mist that has fallen onto the upper surface 7a of the above is removed to the outside of the transparent plate 7. The blade 27 is tilted in a direction slightly retracted from the radial direction of the transparent plate 7 so that the dust N can be smoothly removed from the transparent plate 27. The cleaning tool 8 can also be provided with blades 27 above and below so as to clean both upper and lower surfaces of the transparent plate 7.
【００２８】前記清掃具８は、ブレード２７で掻き取る
直前に、透明板７に洗浄液を定期的に供給して、清掃が
確実となるように構成することもある。なお、前記温度
検出装置２３は、印刷乾燥装置１に設置する他に、プラ
スチツクフイルム又は紙等のウエツブに塗工された塗工
液を乾燥する乾燥装置１に設置することも可能である。The cleaning tool 8 may be configured to supply cleaning liquid to the transparent plate 7 immediately before it is scraped off by the blade 27 to ensure cleaning. The temperature detecting device 23 can be installed not only in the print drying device 1 but also in the drying device 1 that dries the coating liquid applied to the web such as plastic film or paper.
【００２９】前記温度検出装置２３は、印刷乾燥装置１
内を通過する印刷紙Ｗの表面から発せられた遠赤外線等
の熱線を、透視筒６及び透明板７を介して表面温度検出
器Ｓ３に導く。従って、表面温度検出器Ｓ３は、印刷乾
燥装置１の外で印刷紙Ｗの表面温度を検出できる。乾燥
装置１の内部等から透視筒６へ落下する塵Ｎは、透明板
７で受け止められ、表面温度検出器Ｓ３に到達すること
は決してない。透明板７で受け止められた塵Ｎは、回転
移動する透明板７で透視筒６と表面温度検出器Ｓ３との
間の空間Ｐから外に運び出され、清掃具８で除去され。The temperature detecting device 23 is the print drying device 1.
Heat rays such as far infrared rays emitted from the surface of the printing paper W passing through the inside are guided to the surface temperature detector S3 via the transparent tube 6 and the transparent plate 7. Therefore, the surface temperature detector S3 can detect the surface temperature of the printing paper W outside the print drying apparatus 1. The dust N falling from the inside of the drying device 1 or the like onto the transparent tube 6 is received by the transparent plate 7 and never reaches the surface temperature detector S3. The dust N received by the transparent plate 7 is carried out from the space P between the transparent tube 6 and the surface temperature detector S3 by the transparent plate 7 that rotates and is removed by the cleaning tool 8.
【００３０】本実施の形態にあつては、紙面温度検出器
Ｓ３の検出紙面温度値ｄと設定紙面温度値ｅとの偏差値
（ｅ−ｄ）に、設定熱風温度値ｆを加えた値（ｆ＋（ｅ
−ｄ））の目標値ａが調節計３に出力されるため、紙面
温度を考慮した所定の熱風温度が得られるようにバーナ
２の発熱量を調節することができる。従って、本実施の
形態は、前半の乾燥装置１内を通過する印刷紙Ｗに吹き
付ける熱風の温度を、印刷速度に応じた最適温度とする
ことができる。そのため、本実施の形態は、印刷開始か
ら本印刷までの間に印刷された印刷紙Ｗに火ぶくれ（ブ
リスタ）を発生させるとこなく、最適の熱風温度で確実
に印刷インクを乾燥させることができる。In the present embodiment, the set hot air temperature value f is added to the deviation value (ed) between the detected paper surface temperature value d of the paper surface temperature detector S3 and the set paper surface temperature value e ( f + (e
Since the target value a of (d)) is output to the controller 3, the calorific value of the burner 2 can be adjusted so as to obtain a predetermined hot air temperature in consideration of the paper surface temperature. Therefore, in the present embodiment, the temperature of the hot air blown onto the printing paper W passing through the inside of the drying device 1 in the first half can be the optimum temperature according to the printing speed. Therefore, in the present embodiment, it is possible to reliably dry the printing ink at the optimum hot air temperature without causing blister on the printing paper W printed between the start of printing and the actual printing. it can.
【００３１】[0031]
【発明の効果】以上詳述の如く、本発明は、次の如き優
れた効果を有する。 請求項１〜３記載の本発明にあつては、印刷紙の通
過速度値に応じた所定の熱風温度値の目標値が調節計に
出力されるため、所定の熱風温度となるようにバーナの
発熱量を調節することができる。従って、本発明は、乾
燥装置内を通過する印刷紙に吹き付ける熱風の温度を、
印刷速度に応じた最適温度とすることができ、印刷開始
から本印刷までの間に印刷された印刷紙に火ぶくれ（ブ
リスタ）を発生させるとこなく、印刷の歩留りを飛躍的
に向上させることができる。As described above in detail, the present invention has the following excellent effects. In the present invention as set forth in claims 1 to 3, since the target value of the predetermined hot air temperature value according to the passing speed value of the printing paper is output to the controller, the burner of the burner is controlled to reach the predetermined hot air temperature. The calorific value can be adjusted. Therefore, the present invention, the temperature of the hot air blown to the printing paper passing through the drying device,
The optimum temperature can be set according to the printing speed, and it does not cause blisters on the printing paper that is printed between the start of printing and the actual printing, thus dramatically improving the printing yield. You can
【００３２】 請求項４記載の本発明にあつては、紙
面温度検出器の検出紙面温度値と設定紙面温度値との偏
差値に、設定熱風温度値を加えた値の目標値が調節計に
出力されるため、紙面温度を考慮した所定の熱風温度と
なるようにバーナの発熱量を調節することができる。従
って、本発明は、乾燥装置内を通過する印刷紙に吹き付
ける熱風の温度を、印刷速度に応じた最適温度とするこ
とができ、印刷開始から本印刷までの間に印刷された印
刷紙に火ぶくれ（ブリスタ）を発生させるとこなく、印
刷の歩留りを飛躍的に向上させることができる。In the present invention according to claim 4, a target value of a value obtained by adding a set hot air temperature value to a deviation value between the detected paper surface temperature value of the paper surface temperature detector and the set paper surface temperature value is set in the controller. Since it is output, the calorific value of the burner can be adjusted so as to be a predetermined hot air temperature in consideration of the paper surface temperature. Therefore, according to the present invention, the temperature of the hot air blown onto the printing paper passing through the drying device can be set to the optimum temperature according to the printing speed, and the printing paper printed between the start of printing and the main printing is heated. The printing yield can be dramatically improved without generating blisters.
【００３３】 請求項５記載の本発明にあつては、透
視筒と表面温度検出器とを清掃した透明板で遮断してい
るため、乾燥装置内を通過するウエツブの表面から発せ
られる遠赤外線等の熱線を表面温度検出器に確実に導く
ことができる。従って、本発明は、乾燥装置内を通過す
るウエツブの表面温度を常時正確に検出することができ
る。In the present invention according to claim 5, since the transparent cylinder and the surface temperature detector are shielded by a transparent transparent plate, far infrared rays emitted from the surface of the web passing through the inside of the drying device. It is possible to reliably guide the heat ray of No. 1 to the surface temperature detector. Therefore, the present invention can always accurately detect the surface temperature of the web passing through the drying device.
【図１】本発明に係る温度制御装置の第１の実施の形態
を示す模式図である。FIG. 1 is a schematic diagram showing a first embodiment of a temperature control device according to the present invention.
【図２】本発明に係る温度制御装置の第２の実施の形態
を示す模式図である。FIG. 2 is a schematic diagram showing a second embodiment of a temperature control device according to the present invention.
【図３】本発明に係る温度検出装置の実施の形態を示す
斜視図である。FIG. 3 is a perspective view showing an embodiment of a temperature detecting device according to the present invention.
【図４】従来の印刷用乾燥装置を示す斜視図である。FIG. 4 is a perspective view showing a conventional printing drying device.
【図５】従来の印刷乾燥装置用の温度制御装置を示す模
式図である。FIG. 5 is a schematic diagram showing a conventional temperature control device for a print drying device.
１…印刷乾燥装置 ２…バーナ ３…調節計 ４（５）…目標値設定器 ６…透視筒 ７…透明板 ８…清掃具 ２３…温度検出装置 Ｗ…印刷紙（ウエツブ） Ｓ３…表面温度検出器 Ｒ…ウエツブ搬送路 Ｐ…空間 1 ... Printing / drying device 2 ... Burner 3 ... Controller 4 (5) ... Target value setting device 6 ... Perspective cylinder 7 ... Transparent plate 8 ... Cleaning tool 23 ... Temperature detection device W ... Printing paper (wet) S3 ... Surface temperature detection Container R ... Web transport path P ... Space
Claims (5)
ける熱風の温度を、該熱風を発生させるバーナの発熱量
で調節するものであつて、該バーナを調節する調節計
と、該調節計に目標値を出力する目標値設定器とを備え
印刷乾燥装置用の温度制御装置において、前記目標値設
定器は、前記印刷紙の通過速度値ＶＰが入力され、該通
過速度値ＶＰに応じた所定の熱風温度値ＴＳＶの前記目
標値を出力することを特徴とする温度制御装置。1. A controller for adjusting the temperature of hot air blown onto a printing paper passing through a print drying device by a heat generation amount of a burner for generating the hot air, and a controller for adjusting the burner, and the controller. to a temperature control apparatus for a printing drying device and a target value setting unit that outputs a target value, the target value setting unit, the passing speed value V P of the printing paper is input to the passing speed value V P A temperature control device which outputs the target value of a predetermined hot air temperature value T SV according to the temperature control device.
紙の本印刷速度値Ｖ１、この本印刷速度値Ｖ１に対応す
る本印刷熱風温度値Ｔ１、最低熱風温度値Ｔ２及び前記
印刷紙の通過速度値ＶＰとしたとき、ＴＳＶ＝（Ｔ１−
Ｔ２）×（ＶＰ÷Ｖ１）＋Ｔ２となるようにした請求項
１記載の温度制御装置。2. The predetermined hot air temperature value T SV is a main printing speed value V 1 of the printing paper, a main printing hot air temperature value T 1 corresponding to the main printing speed value V 1 , and a minimum hot air temperature value T 2 And the passing speed value V P of the printing paper is T SV = (T 1 −
The temperature control device according to claim 1, wherein T 2 ) × (V P ÷ V 1 ) + T 2 .
通過速度値ＶＰに応じた熱風温度値ＴＳＶを予め定める
プリセツト回路と、入力された前記印刷紙の通過速度値
ＶＰに対応する予め定められた所定の熱風温度値ＴＳＶ
を出力する出力回路とを備えた請求項１記載の温度制御
装置。3. A preset circuit in which the target value setting device presets a hot air temperature value T SV corresponding to various passing speed values V P of the printing paper, and the input passing speed value V P of the printing paper. Predetermined hot air temperature value T SV corresponding to
The temperature control device according to claim 1, further comprising an output circuit that outputs
ける熱風の温度を、該熱風を発生させるバーナの発熱量
で調節するものであつて、該バーナを調節する調節計
と、該調節計に目標値を出力する目標値設定器と、該印
刷乾燥装置内を通過する印刷紙の紙面温度を検出する紙
面温度検出器とを備えた印刷乾燥装置用の温度制御装置
において、前記目標値設定器は、前記紙面温度検出器の
検出紙面温度値と設定紙面温度値との偏差値に、設定熱
風温度値を加えた値の目標値を出力することを特徴とす
る温度制御装置。4. A controller for adjusting the temperature of hot air blown onto a printing paper passing through a print drying device by a heat generation amount of a burner for generating the hot air, the controller for adjusting the burner, and the controller. In a temperature control device for a print drying device, comprising: a target value setting device that outputs a target value to a printer; and a paper surface temperature detector that detects a paper surface temperature of a printing paper passing through the print drying device. A temperature control device, wherein the device outputs a target value of a value obtained by adding a set hot air temperature value to a deviation value between the detected paper surface temperature value of the paper surface temperature detector and the set paper surface temperature value.
を検出する表面温度検出器を乾燥装置外に配置した温度
検出装置において、乾燥装置の内外に透視筒を貫設さ
せ、該透視筒の一端開口部を乾燥装置内のウエツブ搬送
路に臨ませると共に、透視筒の他端開口部を前記表面温
度検出器に臨ませ、該透視筒の他端開口部と前記表面温
度検出器との間の空間を移動する透明板を配設し、該空
間の外で該透明板の表面を清掃する清掃具を配設したこ
とを特徴する温度検出装置。5. A temperature detecting device in which a surface temperature detector for detecting the surface temperature of a web passing through the inside of the drying device is arranged outside the drying device, wherein a see-through cylinder is provided inside and outside the drying device, The one end opening is made to face the web conveyance path in the drying device, and the other end opening of the transparent tube is made to face the surface temperature detector, and the other end opening of the transparent tube and the surface temperature detector are arranged. A temperature detecting device, wherein a transparent plate that moves in the space is disposed, and a cleaning tool that cleans the surface of the transparent plate is disposed outside the space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32496895A JPH08258243A (en) | 1994-11-08 | 1995-11-07 | Temperature control device and temperature detector |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31138294 | 1994-11-08 | ||
| JP6-311382 | 1994-11-08 | ||
| JP32496895A JPH08258243A (en) | 1994-11-08 | 1995-11-07 | Temperature control device and temperature detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08258243A true JPH08258243A (en) | 1996-10-08 |
Family
ID=26566705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32496895A Pending JPH08258243A (en) | 1994-11-08 | 1995-11-07 | Temperature control device and temperature detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08258243A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1114259A (en) * | 1997-06-25 | 1999-01-22 | Seibutsukei Tokutei Sangyo Gijutsu Kenkyu Suishin Kiko | Method for drying grain by far infrared dryer |
| US8292419B2 (en) | 2008-05-27 | 2012-10-23 | Fujifilm Corporation | Inkjet recording apparatus and inkjet recording method |
| JP2013107211A (en) * | 2011-11-17 | 2013-06-06 | Kyoritsu Insatsu Kk | Hot air temperature control in drying printing paper |
| JP2017114123A (en) * | 2015-12-21 | 2017-06-29 | 株式会社リコー | Drying device and liquid discharge device |
| CN112020431A (en) * | 2018-04-30 | 2020-12-01 | 金伯利-克拉克环球有限公司 | Air dryer using low-temperature, high-speed air |
| CN114474983A (en) * | 2022-01-28 | 2022-05-13 | 天津长荣科技集团股份有限公司 | Roll paper drying oven |
-
1995
- 1995-11-07 JP JP32496895A patent/JPH08258243A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1114259A (en) * | 1997-06-25 | 1999-01-22 | Seibutsukei Tokutei Sangyo Gijutsu Kenkyu Suishin Kiko | Method for drying grain by far infrared dryer |
| US8292419B2 (en) | 2008-05-27 | 2012-10-23 | Fujifilm Corporation | Inkjet recording apparatus and inkjet recording method |
| JP2013107211A (en) * | 2011-11-17 | 2013-06-06 | Kyoritsu Insatsu Kk | Hot air temperature control in drying printing paper |
| JP2017114123A (en) * | 2015-12-21 | 2017-06-29 | 株式会社リコー | Drying device and liquid discharge device |
| CN112020431A (en) * | 2018-04-30 | 2020-12-01 | 金伯利-克拉克环球有限公司 | Air dryer using low-temperature, high-speed air |
| CN112020431B (en) * | 2018-04-30 | 2023-08-18 | 金伯利-克拉克环球有限公司 | Air dryer using low temperature, high velocity air |
| CN114474983A (en) * | 2022-01-28 | 2022-05-13 | 天津长荣科技集团股份有限公司 | Roll paper drying oven |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5230490B2 (en) | Image forming apparatus | |
| WO2013121695A1 (en) | Drying device and printing device | |
| JP5893428B2 (en) | Drying apparatus and inkjet printing apparatus | |
| JP6214571B2 (en) | Recording substrate processing apparatus, printing system, and drying method | |
| JP2004506553A (en) | Drying apparatus and method for automatically adjusting power-saving area | |
| JP7200666B2 (en) | Drying equipment, printing equipment | |
| JP2001146009A (en) | Liquid ink printer | |
| JPH08258243A (en) | Temperature control device and temperature detector | |
| JPS6233959B2 (en) | ||
| JP6705136B2 (en) | Printing apparatus and printing apparatus control method | |
| US20040046850A1 (en) | Moving air jet image conditioner for liquid ink | |
| JP2008090198A (en) | Image forming apparatus | |
| JP5318015B2 (en) | Image forming apparatus | |
| JP2001088276A (en) | Dryer | |
| US11226587B2 (en) | Image forming apparatus including a blower to blow air on a roller not used in conveyance of a recording medium in simplex printing | |
| US11513472B2 (en) | Image forming apparatus with condensation prevention | |
| JP6676348B2 (en) | Ink printing equipment and method of operating ink printing equipment | |
| US10493783B2 (en) | Collection system for ink co-solvents | |
| JP7521321B2 (en) | Recording apparatus and method for drying recording medium | |
| JP7428964B2 (en) | Drying equipment and printing equipment | |
| JPH05131620A (en) | Hot-melt type ink-jet recording device | |
| US11148444B2 (en) | Medium heating device and printing apparatus | |
| CN114368219A (en) | Liquid droplet ejection apparatus | |
| JP2008119980A (en) | Inkjet recorder | |
| JP2010167599A (en) | Image forming apparatus |