JP2002113780A - Plastic laminating apparatus - Google Patents
Plastic laminating apparatusInfo
- Publication number
- JP2002113780A JP2002113780A JP2000310078A JP2000310078A JP2002113780A JP 2002113780 A JP2002113780 A JP 2002113780A JP 2000310078 A JP2000310078 A JP 2000310078A JP 2000310078 A JP2000310078 A JP 2000310078A JP 2002113780 A JP2002113780 A JP 2002113780A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- heating
- thermostat
- laminating apparatus
- heating roll
- 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.)
- Granted
Links
Landscapes
- Control Of Resistance Heating (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、上下一対の加熱ロ
ールとその加熱装置を備えたプラスチックラミネート装
置のラミネート品質を向上するための改良に関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement for improving the laminating quality of a plastic laminating apparatus provided with a pair of upper and lower heating rolls and its heating device.
【０００２】[0002]
【従来の技術】従来、図１に示すような上下一対の加熱
ロール１、１とその加熱装置２、２を備えたプラスチッ
クラミネート装置では、ラミネート温度を適正に保つた
め、サーミスターセンサー等の温度センサー４ａを加熱
伝導部２ａ又は加熱ロールの鉄心、あるいは加熱ロール
表面に接触させ、その検出温度によりラミネート温度を
コントロールするようにしているが、温度センサーを用
いたコントロールは、設定温度を検出し、各電熱ヒータ
３ａ、３ｂの電源を遮断しても、加熱ロール１、１は引
続いて加熱伝導部２ａ、２ａに蓄熱された熱によって加
熱されるので、加熱ロールの表面温度は図２に示すよう
にオーバーシュートするため、ラミネート温度が不安定
で全面均一な接着が行なわれず、そのため、皺を生じる
ことがあり品質が安定しないという問題があった。2. Description of the Related Art Conventionally, in a plastic laminating apparatus having a pair of upper and lower heating rolls 1 and 1 and heating devices 2 and 2 as shown in FIG. The sensor 4a is brought into contact with the heating conductor 2a or the iron core of the heating roll, or the surface of the heating roll, and the lamination temperature is controlled by the detected temperature. The control using the temperature sensor detects the set temperature, Even if the power supply to each of the electric heaters 3a and 3b is cut off, the heating rolls 1 and 1 are continuously heated by the heat stored in the heating conducting portions 2a and 2a, and the surface temperature of the heating roll is shown in FIG. As a result, the laminating temperature is unstable and the entire surface is not bonded uniformly, which may cause wrinkles. There is a problem that does not constant.
【０００３】[0003]
【発明が解決しようとする課題】そこで本発明は、従来
装置で問題となっていたオーバーシュートによる加熱ロ
ール表面の異常温度上昇を緩和してラミネート温度を略
々一定に保持してラミネート品質が安定化したプラスチ
ックラミネート装置を提供しようとするものである。SUMMARY OF THE INVENTION Accordingly, the present invention alleviates the abnormal temperature rise on the surface of a heating roll due to overshoot, which is a problem in the conventional apparatus, and keeps the laminating temperature substantially constant to stabilize the laminating quality. It is an object of the present invention to provide a simplified plastic laminating apparatus.
【０００４】[0004]
【課題を解決するための手段】本発明は上記の課題を解
決するためになされたもので、加熱ロール表面に接触さ
せた温度センサーの検出信号により、ラミネート温度を
制御する手段を設けると共に、加熱装置の熱伝導部にサ
ーモスタットを併設し、前記熱伝導部が一定温度に達た
し時電熱ヒータの電流を遮断して異常なオーバーシュー
トを防止する事により、ラミネート温度を適正に保持す
ることにより、安定した品質が得られるようにしたもの
である。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has a means for controlling a laminating temperature based on a detection signal of a temperature sensor brought into contact with the surface of a heating roll. By attaching a thermostat to the heat conducting part of the device, and by interrupting the electric heater current when the heat conducting part reaches a certain temperature to prevent abnormal overshoot, by keeping the laminating temperature properly , So that stable quality can be obtained.
【０００５】[0005]
【発明の実施の形態】図３は本発明の実施例装置の断面
図を示すもので、移送ライン６上に加熱ロール１、１、
電熱ヒータ３ａ、３ｂを挿入した加熱装置２、２を対向
設置してなる基本構成は従来装置と同様であるが、温度
センサー４ａを加熱ロール１に接触させてラミネート温
度を制御するサーモスタット４（図示せず）の外に、熱
伝導部２ａの温度を検出して動作するサーモスタット５
を熱伝導部２ａに設けた点が異なる。なおこの実施例で
は温度センサー４ａを用いたサーモスタット４は９５℃
でオフとなり、サーモスタット５には１２０℃でオフに
なるものを用いている。FIG. 3 is a sectional view of an apparatus according to an embodiment of the present invention.
The basic configuration in which the heating devices 2 and 2 with the electric heaters 3a and 3b inserted therein are opposed to each other is the same as that of the conventional device, but a thermostat 4 (FIG. (Not shown), a thermostat 5 that operates by detecting the temperature of the heat conducting portion 2a.
Is provided in the heat conducting portion 2a. In this embodiment, the thermostat 4 using the temperature sensor 4a is 95 ° C.
The thermostat 5 is turned off at 120 ° C.
【０００６】図４は実施例装置の電気回路の概略図で、
スイッチＳを投入すると、モータＭが起動すると共に、
サーモスタット４と５を介して電熱ヒーター３ａ、３ｂ
に電流が流れ、この電熱ヒーター３ａ、３ｂにより加熱
された熱伝導部２ａ、２ａの輻射熱により加熱ロール
１、１が加熱される。加熱ロール１、１の表面温度がラ
ミネート設定温度（実施例では９５℃）に達すると、温
度センサー４ａがそれを検出し、サーモスタット４がオ
フとなり、電熱ヒーターの電流をコントロールして一定
温度に保つ様にＯＮ／ＯＦＦ動作を行うが、このサーモ
スタット４のみでは加熱ロールの表面温度は前述のよう
に設定温度より図２に示すようにオーバーシュートして
しまう。FIG. 4 is a schematic diagram of an electric circuit of the apparatus of the embodiment.
When the switch S is turned on, the motor M starts up,
Electric heaters 3a, 3b via thermostats 4 and 5
Current flows through the heating rollers 1 and 1 by the radiant heat of the heat conducting portions 2a and 2a heated by the electric heaters 3a and 3b. When the surface temperature of the heating rolls 1 and 1 reaches the laminating set temperature (95 ° C. in the embodiment), the temperature sensor 4a detects the temperature, the thermostat 4 is turned off, and the current of the electric heater is controlled to maintain a constant temperature. The ON / OFF operation is performed as described above, but with the thermostat 4 alone, the surface temperature of the heating roll overshoots from the set temperature as shown in FIG. 2 as described above.
【０００７】本発明ではこのオーバーシュートをなくす
為、温度センサー４ａを用いた温度制御手段（サーモス
タット４）とは別に、熱伝導部２ａに熱伝導部２ａの温
度を検出して動作するサーモスタット４を設置すること
により、図５のように大きなオーバーシュートのない制
御特性を与え、従来装置におけるオーバーシュートによ
る問題を解決したものである。なお、熱伝導部２ａに設
けたサーモスタット５のみの温度制御だけでは、サーモ
スタット５の応答性が悪いので、温度制御が充分ではな
く、サーモスタット４と５を併用することによりラミネ
ートに適した温度制御が可能となる。In the present invention, in order to eliminate this overshoot, a thermostat 4 which operates by detecting the temperature of the heat conducting portion 2a is provided in the heat conducting portion 2a separately from the temperature control means (thermostat 4) using the temperature sensor 4a. By providing the control device, a control characteristic without large overshoot as shown in FIG. 5 is provided, and the problem due to overshoot in the conventional device is solved. It should be noted that the temperature control only for the thermostat 5 provided in the heat conducting section 2a is not sufficient because the responsiveness of the thermostat 5 is poor. It becomes possible.
【０００８】[0008]
【発明の効果】本発明によればラミネート温度を適正に
保持することができるので、品質一定な美麗なラミネー
トが行なわれる効果がある。According to the present invention, since the laminating temperature can be appropriately maintained, there is an effect that beautiful lamination with a constant quality can be performed.
【図１】従来のプラスチックラミネート装置の断面図。FIG. 1 is a cross-sectional view of a conventional plastic laminating apparatus.
【図２】従来装置における加熱ロールの表面温度の変化
を示す図。FIG. 2 is a diagram showing a change in surface temperature of a heating roll in a conventional apparatus.
【図３】本発明実施例の断面図。FIG. 3 is a sectional view of the embodiment of the present invention.
【図４】本発明実施例の電気回路の概略図。FIG. 4 is a schematic diagram of an electric circuit according to an embodiment of the present invention.
【図５】本発明実施例における加熱ロールの表面温度の
変化を示す図。FIG. 5 is a diagram showing a change in the surface temperature of the heating roll in the embodiment of the present invention.
１ 加熱ロール ２ 加熱装置 ２ａ 熱伝導部 ３ａ，３ｂ 電熱ヒータ ４，５ サーモスタット ４ａ 温度センサー DESCRIPTION OF SYMBOLS 1 Heating roll 2 Heating device 2a Heat conduction part 3a, 3b Electric heater 4,5 Thermostat 4a Temperature sensor
Claims (1)
備えたプラスチックラミネート装置において、前記加熱
ロールの温度を検出してラミネート温度を制御する手段
の外に前記加熱装置の熱伝導部にサーモスタットを配置
したことを特徴とするラミネート装置。In a plastic laminating apparatus having a pair of upper and lower heating rolls and a heating device therefor, a thermostat is provided in a heat conducting portion of the heating device in addition to a means for detecting a temperature of the heating roll and controlling a lamination temperature. A laminating apparatus characterized by being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000310078A JP3755077B2 (en) | 2000-10-11 | 2000-10-11 | Plastic laminating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000310078A JP3755077B2 (en) | 2000-10-11 | 2000-10-11 | Plastic laminating equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002113780A true JP2002113780A (en) | 2002-04-16 |
| JP3755077B2 JP3755077B2 (en) | 2006-03-15 |
Family
ID=18790097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000310078A Expired - Lifetime JP3755077B2 (en) | 2000-10-11 | 2000-10-11 | Plastic laminating equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3755077B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010083062A (en) * | 2008-10-01 | 2010-04-15 | Nippon Steel Corp | Method for controlling temperature of laminate roll |
| JP2010269582A (en) * | 2009-05-22 | 2010-12-02 | Primax Electronics Ltd | Sheet lamination apparatus |
-
2000
- 2000-10-11 JP JP2000310078A patent/JP3755077B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010083062A (en) * | 2008-10-01 | 2010-04-15 | Nippon Steel Corp | Method for controlling temperature of laminate roll |
| JP2010269582A (en) * | 2009-05-22 | 2010-12-02 | Primax Electronics Ltd | Sheet lamination apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3755077B2 (en) | 2006-03-15 |
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