CN102886853A - Online control system of thickness of polyimide film on casting machine - Google Patents
Online control system of thickness of polyimide film on casting machine Download PDFInfo
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- CN102886853A CN102886853A CN2012104071172A CN201210407117A CN102886853A CN 102886853 A CN102886853 A CN 102886853A CN 2012104071172 A CN2012104071172 A CN 2012104071172A CN 201210407117 A CN201210407117 A CN 201210407117A CN 102886853 A CN102886853 A CN 102886853A
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Abstract
The invention relates to an online control system of the thickness of a polyimide film on a casting machine. The online control system is characterized in that a thickness gauge is arranged on the film winding path, and is provided with a plurality of thickness acquisition points in the direction corresponding to the width of the film; the casting nozzle is provided with a temperature adjusting mechanism which is electrically connected with the thickness gauge; the temperature adjusting mechanism comprises temperature-sensitive elements which are arranged along the length direction of the outer side of a movable block, and the number of the temperature-sensitive elements is the same as that of the thickness acquisition points; the thickness gauge feedbacks the film thickness information acquired by all the acquisition points to the temperature adjusting mechanism, the temperature adjusting mechanism controls the temperature of the corresponding temperature-sensitive elements on the movable block of the casting nozzle according to thickness information of different points; and under the conduction of temperature of the temperature-sensitive elements, the movable block expands with heat and contracts with cold, and then a raw-liquid channel at the position of the movable block contracts or expands, so that the purpose of adjusting the size of the opening part of the casting nozzle at the corresponding position is achieved, further the next-step conveying of raw liquid amount of resin on a steel belt is guaranteed and the thickness of the made polyimide keeps uniform.
Description
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Technical field
The present invention relates to polyimides salivation film-forming apparatus, relate in particular to the auxiliary equipment that is used for on-line monitoring on the slobbering machine and is controlled to film thickness.
Background technology
Kapton is a kind of novel high temperature resistant organic polymer thin film, it is the present in the world best film class insulating materials of performance, has good mechanical property, electrical property, chemical stability and very high radiation resistance, high temperature resistant and resistance to low temperature.Therefore suitable to flexible circuit board base material and various heat resisting motor electrical apparatus insulation material especially.
Slobbering machine is the key equipment of making Kapton.It mainly comprises the compositions such as salivation mouth, front drum, rear drum, steel band and drying device.The ring steel belt that is looped around on front drum and the rear drum is carrier, under transmission mechanism drove, the liquid film that squeezes on steel band with the salivation mouth passed through the hot blast drying tunnel, made the solvent evaporation, obtain dried solid film and break away from steel band by stripper roll, pass through again take up roll winding folding and unfolding.
We know, resin stoste can be along with the conversion of temperature, and viscosity also can change.High such as day temperature, viscosity can be rarer; Night, temperature was low, and viscosity is high; Also there is same problem in winter and summer.Because viscosity can be different,, when producing, in order to guarantee the uniformity of its thickness, in the different temperatures section, to distinguish to some extent by the resinogen liquid measure that the salivation mouth enters on the steel band for same batch Kapton.Be provided with movable block on the existing salivation mouth more, change salivation mouth oral area size by regulating movable block.This adjusting is because the manual adjustment mode that adopts, and can bring heterogeneity because of people's experience etc. on the one hand, can not guarantee on the other hand to make the stability of the thickness deviation of film, thereby will greatly affect the performance indications of Kapton.
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Summary of the invention
Thereby the purpose of this invention is to provide a kind of control system that can Real Time Monitoring Kapton thickness obtains even thickness.
For achieving the above object, the technical solution used in the present invention is: Kapton thickness on-line control system on a kind of slobbering machine, described slobbering machine comprises the salivation mouth, the head drum, the tail drum, the steel band of winding on described head drum and tail drum, be arranged on the stripper roll of the front downside of head drum and a plurality of take up rolls that be arranged in parallel that are arranged on the forefront, polyimide resin stoste flows into steel band through the salivation mouth, hyperthermia drying forms film in slobbering machine under the reciprocating motion of steel band, after breaking away from, described film process stripper roll and steel band pass through again the take up roll rolling, described salivation mouth comprises the first fixation wall, be oppositely arranged with the first fixation wall and the bottom is higher than the second fixation wall of the first fixation wall bottom, be installed in the movable block of the second fixation wall bottom, be formed with the stoste passage between described the first fixation wall and the second fixation wall and the movable block, be provided with calibrator in the winding film path, described calibrator is set a plurality of thickness collection point in corresponding thin-film width direction, the place is provided with the thermoregulation mechanism that is electrically connected with calibrator at the salivation mouth, described thermoregulation mechanism comprises along the temperature-sensitive element that movable block length of outer side direction sets gradually and number is identical with described thickness collection point, described calibrator feeds back to thermoregulation mechanism with the film thickness information that its each collection point gathers, described thermoregulation mechanism is according to corresponding temperature-sensitive element temperature on the difference thickness information control salivation mouth movable block, under the conduction of temperature-sensitive element temperature, described movable block expands with heat and contract with cold, so that stoste passages shrink or the amplification at place, movable block place, thereby realize online film thickness adjustment with adjusting from the resin flow that the stoste passage inputs on the steel band.
Further, described movable block is arranged in order setting, and it is identical with described temperature-sensitive element number.Described thickness collection point is set as more than 5.
Because technique scheme is used, the present invention compared with prior art has following advantages: the present invention detects by the thickness measurement online instrument and a plurality of thickness collection point is set on the same width carries out the film thickness collection, according to the analysis to different acquisition point film thickness, to regulate the corresponding temperature-sensitive element on the thermoregulation mechanism, so that the movable block generation deformation that fixes with temperature-sensitive element, to reach the purpose of regulating corresponding position salivation mouth oral area size, thereby guarantee that next step is delivered to the resinogen liquid measure on the steel band, so that the polyimides thickness of making keeps evenly.
Description of drawings
Accompanying drawing 1 is the slobbering machine structural principle schematic diagram of the present invention with thickness control system;
Accompanying drawing 2 salivates mouth with movable block one side structure schematic diagram for the present invention;
In the above accompanying drawing: 1, salivation mouth; 11, the first fixation wall; 12, the second fixation wall; 13, movable block; 14, stoste passage; 2, head drum; 3, tail drum; 4, steel band; 5, stripper roll; 6, take up roll; 7, calibrator; 8, thermoregulation mechanism; 81, temperature-sensitive element; 10, film.
The specific embodiment
The invention will be further described below in conjunction with embodiment shown in the drawings:
Slobbering machine as shown in Figure 1, it comprises salivation mouth 1, a drum 2, tail drum 3, the steel band 4 of winding on described drum 2 and tail drum 3, a plurality of take up rolls that be arranged in parallel 6 that are arranged on the stripper roll 5 of a drum 2 front downsides and are arranged on the forefront, polyimide resin stoste flows into steel band 4 through salivation mouth 1, hyperthermia drying forms film 10 in slobbering machine under the reciprocating motion of steel band 4, and described film 10 passes through take up roll 5 rolling after breaking away from through stripper roll 5 and steel band 4 again.
Among the present invention, salivation mouth 1 comprises the first fixation wall 11, be oppositely arranged with the first fixation wall 11 and the bottom be higher than the first fixation wall 11 bottoms the second fixation wall 12, be installed in the movable block 13 of the second fixation wall 12 bottoms, be formed with stoste passage 14 between described the first fixation wall 11 and the second fixation wall 12 and the movable block 13.As shown in Figure 2, described movable block 13 has polylith, is arranged in order along the second fixation wall 12 bottoms.Every movable block 13 has stronger thermal conductivity, and under the impact of temperature corresponding deformation can occur.
Kapton thickness on-line control system on the slobbering machine of the present invention, comprise the thermoregulation mechanism 8 that the calibrator 7 that is arranged on take up roll 6 one sides, close salivation mouth 1 arrange, described calibrator 7 is set a plurality of thickness collection point in corresponding thin-film width direction, and described thermoregulation mechanism 8 comprises along the temperature-sensitive element 81 that movable block 13 length of outer side directions set gradually and number is identical with described thickness collection point.In the present embodiment, temperature-sensitive element 81 has 12, and corresponding movable block 13 is 12, and 12 thickness collection points are set on the thickness direction of film equally.
The specific works principle is as follows:
In the polyimides production process, calibrator 7 feeds back to thermoregulation mechanism 7 with the film thickness information that its each thickness collection point gathers in real time, described thermoregulation mechanism 7 is controlled the temperature of corresponding temperature-sensitive element 81 according to the difference thickness information, such as the thickness of collection point less than setting value, namely make film thickness partially thin, thermoregulation mechanism 7 is regulated corresponding temperature-sensitive element 81 with output signal, so that these temperature-sensitive element 81 temperature reduce, these temperature-sensitive element 81 temperature reduce, corresponding movable block 13 is with corresponding contraction with it, thereby corresponding position resin flow increases, so that next film thickness is constantly adjusted to setting value; Otherwise, if the thickness of collection point is greater than setting value, namely make film thickness partially thick, thermoregulation mechanism 7 is regulated corresponding temperature-sensitive element 81 with output signal, so that these temperature-sensitive element 81 temperature raise, these temperature-sensitive element 81 temperature raise, and corresponding movable block 13 swells corresponding with it, thereby corresponding position resin flow reduces, and all reaches the purpose of adjusting film thickness.
Kapton thickness control system on the slobbering machine of the present invention, by the Real-time Collection film thickness, utilize temperature-sensitive element that movable block is carried out the heat conduction, so that producing, movable block expands with heat and contract with cold, realization is to the temperature-compensating of movable block, thereby change stoste passages shrink or the amplification at place, movable block place, thereby realize online film thickness adjustment with adjusting from the resin flow that the stoste passage inputs on the steel band.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present invention and according to this enforcement, can not limit protection scope of the present invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (3)
1. Kapton thickness on-line control system on the slobbering machine, described slobbering machine comprises the salivation mouth, the head drum, the tail drum, the steel band of winding on described head drum and tail drum, be arranged on the stripper roll of the front downside of head drum and a plurality of take up rolls that be arranged in parallel that are arranged on the forefront, polyimide resin stoste flows into steel band through the salivation mouth, hyperthermia drying forms film in slobbering machine under the reciprocating motion of steel band, after breaking away from, described film process stripper roll and steel band pass through again the take up roll rolling, described salivation mouth comprises the first fixation wall, be oppositely arranged with the first fixation wall and the bottom is higher than the second fixation wall of the first fixation wall bottom, be installed in the movable block of the second fixation wall bottom, be formed with the stoste passage between described the first fixation wall and the second fixation wall and the movable block, it is characterized in that: be provided with calibrator in the winding film path, described calibrator is set a plurality of thickness collection point in corresponding thin-film width direction, the place is provided with the thermoregulation mechanism that is electrically connected with calibrator at the salivation mouth, described thermoregulation mechanism comprises along the temperature-sensitive element that movable block length of outer side direction sets gradually and number is identical with described thickness collection point, described calibrator feeds back to thermoregulation mechanism with the film thickness information that its each collection point gathers, described thermoregulation mechanism is according to corresponding temperature-sensitive element temperature on the difference thickness information control salivation mouth movable block, under the conduction of temperature-sensitive element temperature, described movable block expands with heat and contract with cold, so that stoste passages shrink or the amplification at place, movable block place, thereby realize online film thickness adjustment with adjusting from the resin flow that the stoste passage inputs on the steel band.
2. Kapton thickness on-line control system on the slobbering machine according to claim 1, it is characterized in that: described movable block is arranged in order setting, and it is identical with described temperature-sensitive element number.
3. Kapton thickness on-line control system on the slobbering machine according to claim 1 and 2, it is characterized in that: described thickness collection point is set as more than 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104071172A CN102886853A (en) | 2012-10-23 | 2012-10-23 | Online control system of thickness of polyimide film on casting machine |
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| CN2012104071172A CN102886853A (en) | 2012-10-23 | 2012-10-23 | Online control system of thickness of polyimide film on casting machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260257A (en) * | 2014-09-19 | 2015-01-07 | 桂林电器科学研究院有限公司 | Method and device for improving thickness uniformity of polyamide acid film |
| CN105606641A (en) * | 2015-12-29 | 2016-05-25 | 河南惠强新能源材料科技股份有限公司 | Online real-time monitoring system and method for monitoring heat shrinkage rate of lithium battery diaphragm |
| CN106444365A (en) * | 2015-08-12 | 2017-02-22 | 中芯国际集成电路制造(上海)有限公司 | Wafer etching control method and wafer manufacturing method |
| CN108716882A (en) * | 2018-05-10 | 2018-10-30 | 南安市创培电子科技有限公司 | A kind of maintenance conditions equipment of coating machine |
| CN111457868A (en) * | 2020-03-19 | 2020-07-28 | 绵阳人众仁科技有限公司 | Film detection method based on microwave resonance |
| CN113001851A (en) * | 2021-02-20 | 2021-06-22 | 扬州苏伟新材料科技有限公司 | Polyimide film thickness control mechanism and polyimide film production equipment |
| CN116408962A (en) * | 2023-06-12 | 2023-07-11 | 天津市天缘电工材料股份有限公司 | Polyimide film processing device and control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1502460A (en) * | 2002-11-21 | 2004-06-09 | �����ι�˾ | Method of producing thermoplastic polycarbonate films having low optical retardation values |
| CN1748985A (en) * | 2005-07-19 | 2006-03-22 | 江苏亚宝绝缘材料有限公司 | Polyimide film and its producing process |
| CN101796396A (en) * | 2007-07-26 | 2010-08-04 | 3M创新有限公司 | The method and system that width of cloth material detects automatically |
| CN201620122U (en) * | 2010-01-22 | 2010-11-03 | 上海蓝蔚科技发展有限公司 | Precision thickness control device for casting film of film continuous casting machine |
| CN101961295A (en) * | 2010-08-25 | 2011-02-02 | 常州市泛亚电器制造有限公司 | Controlled-release membrane patch production line |
| CN102632019A (en) * | 2012-05-15 | 2012-08-15 | 深圳市信宇人科技有限公司 | Control method and control system of film thickness of slit coater |
| CN202922839U (en) * | 2012-10-23 | 2013-05-08 | 苏州嘉银绝缘材料有限公司 | Polyimide film thickness on-line control system of casting machine |
-
2012
- 2012-10-23 CN CN2012104071172A patent/CN102886853A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1502460A (en) * | 2002-11-21 | 2004-06-09 | �����ι�˾ | Method of producing thermoplastic polycarbonate films having low optical retardation values |
| CN1748985A (en) * | 2005-07-19 | 2006-03-22 | 江苏亚宝绝缘材料有限公司 | Polyimide film and its producing process |
| CN101796396A (en) * | 2007-07-26 | 2010-08-04 | 3M创新有限公司 | The method and system that width of cloth material detects automatically |
| CN201620122U (en) * | 2010-01-22 | 2010-11-03 | 上海蓝蔚科技发展有限公司 | Precision thickness control device for casting film of film continuous casting machine |
| CN101961295A (en) * | 2010-08-25 | 2011-02-02 | 常州市泛亚电器制造有限公司 | Controlled-release membrane patch production line |
| CN102632019A (en) * | 2012-05-15 | 2012-08-15 | 深圳市信宇人科技有限公司 | Control method and control system of film thickness of slit coater |
| CN202922839U (en) * | 2012-10-23 | 2013-05-08 | 苏州嘉银绝缘材料有限公司 | Polyimide film thickness on-line control system of casting machine |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260257A (en) * | 2014-09-19 | 2015-01-07 | 桂林电器科学研究院有限公司 | Method and device for improving thickness uniformity of polyamide acid film |
| CN106444365A (en) * | 2015-08-12 | 2017-02-22 | 中芯国际集成电路制造(上海)有限公司 | Wafer etching control method and wafer manufacturing method |
| CN106444365B (en) * | 2015-08-12 | 2020-03-10 | 中芯国际集成电路制造(上海)有限公司 | Control method for wafer etching and wafer manufacturing method |
| CN105606641A (en) * | 2015-12-29 | 2016-05-25 | 河南惠强新能源材料科技股份有限公司 | Online real-time monitoring system and method for monitoring heat shrinkage rate of lithium battery diaphragm |
| CN105606641B (en) * | 2015-12-29 | 2018-06-19 | 河南惠强新能源材料科技股份有限公司 | A kind of on-line real time monitoring lithium battery diaphragm percent thermal shrinkage system and monitoring method |
| CN108716882A (en) * | 2018-05-10 | 2018-10-30 | 南安市创培电子科技有限公司 | A kind of maintenance conditions equipment of coating machine |
| CN111457868A (en) * | 2020-03-19 | 2020-07-28 | 绵阳人众仁科技有限公司 | Film detection method based on microwave resonance |
| CN113001851A (en) * | 2021-02-20 | 2021-06-22 | 扬州苏伟新材料科技有限公司 | Polyimide film thickness control mechanism and polyimide film production equipment |
| CN113001851B (en) * | 2021-02-20 | 2022-08-23 | 扬州苏伟新材料科技有限公司 | Polyimide film thickness control mechanism and polyimide film production equipment |
| CN116408962A (en) * | 2023-06-12 | 2023-07-11 | 天津市天缘电工材料股份有限公司 | Polyimide film processing device and control method thereof |
| CN116408962B (en) * | 2023-06-12 | 2023-08-11 | 天津市天缘电工材料股份有限公司 | Polyimide film processing device and control method thereof |
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