WO2012072054A1 - 超短波红外光电烘烤炉 - Google Patents

超短波红外光电烘烤炉 Download PDF

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Publication number
WO2012072054A1
WO2012072054A1 PCT/CN2011/084514 CN2011084514W WO2012072054A1 WO 2012072054 A1 WO2012072054 A1 WO 2012072054A1 CN 2011084514 W CN2011084514 W CN 2011084514W WO 2012072054 A1 WO2012072054 A1 WO 2012072054A1
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Prior art keywords
baking oven
baking
infrared photoelectric
area
box
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PCT/CN2011/084514
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English (en)
French (fr)
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翁明进
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Weng Ming-Chin
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Publication of WO2012072054A1 publication Critical patent/WO2012072054A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
    • F26B3/30—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/02—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in the whole or part of a circle
    • F26B15/08—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in the whole or part of a circle in a vertical plane
    • F26B15/085—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in the whole or part of a circle in a vertical plane with endless clamp or tray conveyor, e.g. wicket conveyor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06—Chambers, containers, or receptacles
    • F26B25/08—Parts thereof
    • F26B25/12—Walls or sides; Doors

Definitions

  • the invention belongs to the technical field of electromechanical equipment, and relates to a surface coating baking equipment for parts, in particular to an ultrashort wave infrared photoelectric baking furnace.
  • the existing coating film baking adopts the traditional heat conduction mode baking system, and is heated and baked by electric energy electric heating pipe, gas hot air circulation system, petroleum gas hot air circulation, etc., the equipment installation is complicated, and the hot air circulation system process is more It is cumbersome; the electric energy electric heating tube heating system has large energy loss and high cost, and it takes a long time to dry, and the surface is only dry, and the interior is not completely dried, so the surface coating sometimes has back viscosity and softening.
  • the drying temperature used for baking is not easy to control. Although the temperature set by the system is the same, the temperature difference is easy to occur due to different seasons. When the temperature is low in winter, it is not easy to dry.
  • the object of the present invention is to provide an ultra-short wave infrared photoelectric baking oven, which is combined with an automatic conveying line, which is easily absorbed by the coating film by light wave irradiation, and the molecular absorption energy enhances the activation energy, that is, atomic translation, rotation and vibration are generated, causing the object to heat up.
  • the action accelerates the bonding to achieve rapid curing of the surface of the coating layer, which solves the problems existing in the baking of the prior art coating layer.
  • the technical scheme adopted by the invention is an ultrashort wave infrared photoelectric baking oven comprising a baking oven body and a photoelectric control system, wherein the baking oven body is composed of two parts inside and outside the box; In the roasting area, the outside of the box is the upper and lower material areas, and the inner wall of the box is equipped with inner wall panels. On the inner wall panels on both sides, several sets of infrared photoelectric tubes are installed in the upper and lower rows, and each infrared photoelectric tube is installed. There is a reflector, and a drive chain driven by a servo motor to the baking area from the outside of the box to the inside of the box, and from the baking area in the box to the unloading area outside the box can be installed on the top of the baking oven body.
  • a plurality of parts hangers for baking are arranged at regular intervals, and a stirring fan and a vent for ventilation are installed side by side at the top of the baking oven body, and the baking oven is arranged
  • the bottom of the body is equipped with a duct.
  • the inner wall panel is a high-gloss mirror stainless steel plate or a high-gloss mirror aluminum plate.
  • the reflector of the infrared photoelectric tube is a high-light parabolic reflector.
  • the optoelectronic control system controls the opening and closing of the lamp by a silicon controllable switch (SCR).
  • SCR silicon controllable switch
  • the ultrashort wave infrared photoelectric baking oven of the invention changes the heating mode of the traditional baking system by using electric energy electric heating pipe, gas hot air circulation system, petroleum gas hot air circulation, etc.
  • the baking oven of the invention is irradiated by ultrashort wave infrared photoelectric tube, ultrashort wave infrared light wave It is easily absorbed by the coating molecules, and the molecular absorption energy enhances the activation energy, that is, the atomic translation, rotation and vibration occur, causing the object to warm up and accelerate the bonding, that is, it is easy to generate a cross-linking reaction with the hardener to accelerate the bonding, thereby coating the surface.
  • the layer curing time is shortened to 6-8 minutes.
  • the workpiece on the part hanger is driven by the moving chain while moving, and the ultra-short wave infrared illumination is used to save the time.
  • the energy consumption per unit is more than 20% than the energy saving.
  • the speed is more than 3 times, and the production cycle is shortened by 1/4 time.
  • the automated production line formed has greatly improved production efficiency.
  • the ultrashort wave infrared photoelectric baking oven of the invention has low energy consumption, and the drying time is short, the coating layer quality is reliable; the baked workpiece is completely dried from the inside and the outside, is not interfered by the seasonally varying temperature difference phenomenon, and reaches uniformity in 4 to 5 seconds. Dry, fully dry and cure in 6-8 seconds. Ultra-short wave infrared photoelectric baking oven heating system is clean and tidy, no industrial pollution.
  • FIG. 1 is a schematic structural view of an ultrashort wave infrared photoelectric baking oven of the present invention
  • Figure 2 is a cross-sectional view showing the transverse structure of the ultrashort wave infrared photoelectric baking oven of the present invention
  • 3 is a schematic view showing the installation structure of the ultrashort wave infrared photoelectric tube and the reflector of the present invention
  • FIG. 4 is a schematic view showing the direction of baking workpiece of the ultrashort wave infrared photoelectric baking oven of the present invention.
  • baking oven box 2. inner wall panel, 3. infrared photoelectric, 4. reflector, 5. transmission chain, 6. part hanger, 7. stirring fan, 8. vent, 9. Duct.
  • An ultrashort wave infrared photoelectric baking oven as shown in FIG. 1 and FIG. 2, comprises a baking oven body 1 and a photoelectric control system, wherein the baking oven body 1 is composed of two parts inside and outside the box; For the baking area C, the outside of the box is the loading area A and the blanking area B.
  • the inner wall of the box is provided with the inner wall panel 2, and on the inner wall panel 2 on both sides, several sets of infrared photoelectric tubes are installed in the upper and lower rows. 3.
  • Each infrared photoelectric tube 3 is equipped with a reflector 4, and a top of the baking oven 1 is installed with a servo motor driven from the outer loading area A to the inner baking area C, and is baked in the box.
  • the baking zone C to the unloading area B of the box can circulate and move the transmission chain 5, and the transmission chain 5 can be reversed to make the baked workpiece heat evenly.
  • a plurality of parts hangers 6 for baking are installed at regular intervals, and a stirring fan 7 and a vent for forcibly exhausting are also arranged side by side at the top of the baking oven body 1.
  • the purpose of the exhaust is to discharge the exhaust gas generated during baking, to maintain the continuous generation of light energy in the furnace, and to fully utilize the light radiation; the bottom of the baking oven body 1 is provided with a duct 9, and the air duct 9 is installed at the bottom.
  • the purpose is to form a reverse airflow to adjust the temperature inside the baking oven casing 1, and to ensure the uniform temperature inside and outside the baking oven casing 1 by the agitation of the stirring fan 7 in the middle of the top of the baking oven casing 1. .
  • the inner wall panel 2 of the ultrashort wave infrared photoelectric baking oven of the invention is a high-gloss mirror stainless steel plate or a high-gloss mirror aluminum plate
  • the reflector 4 of the infrared photoelectric lamp 3 is a high-light parabolic reflector
  • the photoelectric control system is controlled by a silicon controllable switch (SCR). Controlling the opening and closing of the lamp tube facilitates the baking and drying of the coating layer of the workpiece.
  • the rock furnace with ⁇ 50mm thick is used for heat preservation
  • the height of the baking oven body 1 can be tailored according to the size of the processed workpiece
  • the inner wall panel 2 is made of high gloss mirror surface. It is made of stainless steel plate or high-gloss mirror aluminum plate, which can make the ultrashort-wave infrared light emitted by several sets of infrared photoelectric tubes 3 installed on the upper and lower inner wall panels 2 on the upper and lower rows 2 fully reflective and refracted to the parts hanger 6 on the driven chain 5. Hanging tubular workpiece. As shown in FIG.
  • the high-gloss mirror of the high-light parabolic reflector 4 adopts the principle of a mirror.
  • the light energy is repeatedly refracted on the surface of the workpiece, completely overcoming the angle between the angle and the dead angle light.
  • the ultrashort wave infrared light wave emitted by the infrared photoelectric tube 3 can be absorbed by the main agent polymer coating and the hardener, and the energy level jumps rapidly, the activation energy is increased until the chemical bonding is completed, and the organic solvent in the coating and the hardener absorbs the light wave. It quickly evaporates into a gas and cures the film.
  • the volatilized gas is agitated by the stirring fan 7 that rotates at a high speed, and is quickly discharged from the vent 8 to maintain a good baking environment in the baking oven casing 1.
  • the photoelectric control system of the ultrashort wave infrared photoelectric baking oven of the invention controls the opening and closing of the infrared photoelectric lamp 3 by the silicon controllable switch (SCR), and the illumination temperature of the baking furnace is up and up, that is, the shutdown is stopped, not Need any preheating stage, can save a lot of energy consumption, all infrared photoelectric tube 3 is connected by ceramic base 500 °C high temperature line, safe and reliable.
  • SCR silicon controllable switch
  • the baking oven box 1 of the present invention is composed of two parts inside and outside the box. As shown in FIG. 4, the baking zone C in the connecting box and the loading area A outside the box are connected through the chain 5 of the transmission chain of the transmission conveying system. Cutting area B. In the loading area A, the workpiece is hung on the part hanger 6, and as the drive chain 5 part hanger 6 moves into the baking zone C, The transmission chain 5 of the conveying system drives the upper surface of the component hanger 6 to spray (or paint) the workpiece with the coating layer to move forward and perform irradiation baking to achieve curing of the coating layer. After the workpiece which has completely cured the coating layer is moved to the blanking zone B outside the tank, the assembly is assembled from the component hanger 6 and fed into the assembly line.
  • the ultrashort wave infrared photoelectric baking oven of the invention changes the heating mode of the traditional baking system using the electric energy electric heating pipe, the gas hot air circulation system, the petroleum gas hot air circulation, the device structure is simple and novel, the installation and maintenance are convenient, and the ultra short-wave infrared photoelectric baking oven consumes energy.
  • Ultra-short wave infrared photoelectric baking oven heating system is clean and tidy, no industrial pollution.
  • the baking oven of the invention is irradiated by ultrashort wave infrared photoelectric tube, and the ultrashort wave infrared light wave is easily absorbed by the coating film molecule, and the curing time of the surface coating layer is shortened to 6-8 minutes, and the workpiece on the component hanger 6 follows the transmission chain 5.
  • the method of baking ultra-short-wave infrared illumination while moving while moving greatly saves time, the energy consumption per unit of production is more than 20% energy saving, the production speed is increased by more than 3 times, and the production cycle is shortened by 1/4 time.
  • the automated production line formed has greatly improved production efficiency.
  • the ultrashort wave infrared photoelectric baking oven of the invention can be used as a continuous automatic flow production line, and the line speed can be adjusted by the frequency conversion to control the speed of the servo motor drive transmission system transmission chain 5, and the stepless speed change is performed to suit the coating of various parts. Dry demand.
  • the ultra-short wave infrared photoelectric baking oven can also be made into a tunnel type box structure, the inside of the box is used as the baking area C, and the outer two ends of the baking area C are respectively the loading area A and the discharging area B of the workpiece, Bake curing of the coating layer of the workpiece can also be achieved.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
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Description

超短波红外光电烘烤炉 超短波红外光电烘烤炉
技术领域
本发明属于机电设备技术领域，涉及一种零件表面涂装烘烤设备，具体涉及一种超短波红外光电烘烤炉。
背景技术
现代体育运动项目中的高尔夫球杆、登山杖、滑雪杖、自行车架以及休闲娱乐活动使用的钓鱼竿，大都采用新兴的碳纤维或玻璃纤维复合材料制造。为了保持杆部表面平滑、高光泽的外观效果，形成不易损毁的涂膜，通常要在杆部表面采用丙烯酸多元醇（Acrylic polyol）高分子涂料与聚氨酯固化剂（TDI）硬化剂交联反应而产生的涂膜层。若要涂膜层与杆部素材本体结合的更加紧密，或采用环氧树脂（Epoxy）涂料与聚氨（polyamine）硬化剂交联反应生成涂膜层。
现有的涂膜层烘烤均采用传统热传导模式的烘烤系统，用电能电热管、瓦斯热风循环系统、石油气热风循环等方式加热烘烤干燥，设备安装复杂，热风循环系统流程更为繁琐；电能电热管加热系统能源损耗大、费用高，而且干燥需要时间较长，干燥的还仅是表面涂层，内部尚未完全干燥，所以表面涂层有时会产生回粘、软化。同时，用来烘烤的干燥温度也不容易控制，虽然系统设置的温度相同，因季节不同却易产生温差，冬季温度低耗时不易干，夏季温度高则易起泡，升温速度慢。具体地说，而当涂料和助剂混合后喷涂或抽漆涂于工件表面后，均需在100℃温度下烘烤2～3小时；如采用自然干燥固化则需72小时以上。生产上效率低，也不易形成流水线管理，造成生产效能提升的瓶颈。
发明内容
本发明的目的是提供一种超短波红外光电烘烤炉，结合自动化输送线，采用光波照射易被涂膜分子吸收，分子吸收能量提升活化能，即产生原子平动，转动和震动，引起物体升温作用加速键结，从而达到涂膜层表面快速固化，解决了现有技术涂膜层烘烤中存在的问题。
本发明所采用的技术方案是，一种超短波红外光电烘烤炉，包括烘烤炉箱体和光电控制系统，所述烘烤炉箱体由箱内、箱外两部分组成；箱内为烘烤区，箱外为上、下料区，箱体内壁装有内墙板，于两侧内墙板上，分上下两排安装了若干组红外线光电灯管，每只红外线光电灯管都装有反光罩，在烘烤炉箱体的顶部安装有用伺服电机驱动的由箱外上料区至箱内烘烤区、由箱内烘烤区至箱外下料区可循环行进移动的传动链，于所述的传动链上，按一定间隔安装设置了若干用于烘烤的零件挂架，在烘烤炉箱体的顶部还并排安装有用于通风的搅拌风扇和通风口，烘烤炉箱体的底部装有风管。
本发明所述的超短波红外光电烘烤炉，其特征还在于，
所述的内墙板为高光镜面不锈钢板，或为高光镜面铝板。
所述红外线光电灯管的反光罩为高光抛物线反光罩。
所述的光电控制系统由硅可控开关（SCR）控制灯管的开启与关闭。
本发明超短波红外光电烘烤炉，改变了传统烘烤系统采用电能电热管、瓦斯热风循环系统、石油气热风循环等加热方式，本发明烘烤炉用超短波红外光电管照射烘烤，超短波红外光波易被涂膜分子吸收，分子吸收能量提升活化能，即产生原子平动，转动和震动，引起物体升温作用加速键结，即易与硬化剂产生交联反应加速键结，从而将表面涂膜层固化时间缩短至6～8分钟，零件挂架上的工件随传动链的移动边行进边进行超短波红外光照的烘烤方式，大大节省了时间，单位生产能耗比节能20%以上，生产速度提速3倍以上，生产周期缩短了1/4的时间。所形成的自动化生产流水线，使生产效能得到大大的提升。
本发明超短波红外光电烘烤炉耗能低，而且干燥所用时间较短，涂膜层质量可靠；烘烤的工件由内及外完全干燥，不受季节变化温差现象干扰，4～5秒达到均匀干燥，6～8秒完全实现烘干固化。超短波红外光电烘烤炉加热系统且干净整洁，无工业污染。
附图说明
图1是本发明超短波红外光电烘烤炉结构示意图；
图2是本发明超短波红外光电烘烤炉横向结构剖视图；
图3是本发明超短波红外光电灯管.及反光罩安装结构示意图；
图4是本发明超短波红外光电烘烤炉烘烤工件走向示意图。
图中，1.烘烤炉箱体，2.内墙板，3.红外线光电，4.反光罩，5.传动链，6.零件挂架，7.搅拌风扇，8.通风口，9.风管。
A. 上料区、B.下料区、C. 烘烤区。
烘烤工件走向
具体实施方式
下面结合附图和具体实施方式对本发明进行详细说明。
一种超短波红外光电烘烤炉，如图1和图2所示，包括烘烤炉箱体1和光电控制系统，所述烘烤炉箱体1由箱内、箱外两部分组成；箱内为烘烤区C，箱外为上料区A和下料区B，箱体内壁装有内墙板2，于两侧内墙板2上，分上下两排安装了若干组红外线光电灯管3，每只红外线光电灯管3都装有反光罩4，在烘烤炉箱体1的顶部安装有用伺服电机驱动的由箱外上料区A至箱内烘烤区C、由箱内烘烤区C至箱外下料区B可循环行进移动的传动链5，传动链5可以正反转，使烘烤的工件受热均匀。于所述的传动链5上，按一定间隔安装设置了若干用于烘烤的零件挂架6，在烘烤炉箱体1的顶部还并排安装有用于强制排风的搅拌风扇7和通风口8，排风的目的是将烘烤时产生的废气排出，保持炉内持续产生光能，充分的利用光辐射；烘烤炉箱体1的底部装有风管9，风管9于底部安装的目的是，可以形成逆向气流调整烘烤炉箱体1内部的温度，并通过烘烤炉箱体1的顶部中间的搅拌风扇7的开启搅动，确保烘烤炉箱体1内部上下的温度一致。
本发明超短波红外光电烘烤炉的内墙板2为高光镜面不锈钢板或为高光镜面铝板，红外线光电灯管3的反光罩4为高光抛物线反光罩，光电控制系统由硅可控开关（SCR）控制灯管的开启与关闭，这些都有利于工件涂膜层的烘烤与干燥。
本发明超短波红外光电烘烤炉的烘烤炉箱体1内采用δ为50mmt厚岩棉保温，烘烤炉箱体1高度可依加工工件尺寸而度身订作，内墙板2用高光镜面不锈钢板或高光镜面铝板制作，它能使两侧内墙板2上，上下两排安装的若干组红外线光电灯管3发出的超短波红外光充分反光折射向被传动链5上零件挂架6钩挂的管状工件。如图3所示，由于红外线光电灯管3都装有反光罩4，高光抛物线反光罩4的高光镜面采用菱镜式原理 ，将光能反复折射于工件表面上，完全克服夹角、死角光能照射不到的地方。红外线光电灯管3发出的超短波红外光光波能被主剂高分子涂料与硬化剂所吸收，迅速产生能级的跃升，活化能提升至化学键结完成，涂料与硬化剂中的有机溶剂吸收光波后迅速挥发为气体，并达到涂膜固化。挥发的气体被高速旋转的搅拌风扇7搅动，从通风口8迅速排出，保持烘烤炉箱体1内良好的烘烤环境。
本发明超短波红外光电烘烤炉的光电控制系统，由硅可控开关（SCR）控制红外线光电灯管3的开启与关闭，烘烤炉的光照温度达到即开即升，即关即停，不需任何预热阶段，可大量的节省能耗，所有红外线光电灯管3采用陶瓷底座500℃高温线连接，安全可靠。
本发明的烘烤炉箱体1由箱内、外两部分组成，如图4所示，通过传动输送系统的传动链5链条连接箱内的烘烤区C和箱外的上料区A、下料区B。在上料区A将工件挂在零件挂架6上，随着传动链5零件挂架6的移进烘烤区C， 输送系统的传动链5按设定速度带动零件挂架6上表面喷涂（或抽漆）有涂膜层的工件向前移动和进行照射式烘烤，实现涂膜层固化。完全固化了涂膜层的工件移动至箱外的下料区B后，从零件挂架6上取下送入装配生产线装配。
本发明超短波红外光电烘烤炉，改变了传统烘烤系统采用电能电热管、瓦斯热风循环系统、石油气热风循环等加热方式，设备结构简单新颖，安装维修方便，超短波红外光电烘烤炉耗能低，而且干燥时间较短，涂膜层质量可靠；烘烤的工件由内及外完全干燥，不受季节变化温差现象干扰，4～5秒达到均匀干燥，6～8秒完全实现烘干固化。超短波红外光电烘烤炉加热系统且干净整洁，无工业污染。
本发明烘烤炉用超短波红外光电管照射烘烤，超短波红外光波易被涂膜分子吸收，将表面涂膜层固化时间缩短至6～8分钟，零件挂架6上的工件随传动链5的移动边行进边进行超短波红外光照的烘烤方式，大大节省了时间，单位生产能耗比节能20%以上，生产速度提速3倍以上，生产周期缩短了1/4的时间。所形成的自动化生产流水线，使生产效能得到大大的提升。
本发明超短波红外光电烘烤炉若作为连续式流水自动化生产线，可将线速通过变频调控伺服电机驱动传动系统传动链5行进的速度，进行无级变速以适合各种零部件涂膜层烘烤干燥的需求。
本发明也可将超短波红外光电烘烤炉制作成隧道式箱体结构，箱内作为烘烤区C，烘烤区C的箱外两端分别为工件的上料区A和下料区B，同样也可实现工件涂膜层的烘烤固化。
上述实施方式只是本发明的一个实例，不是用来限制本发明的实施与权利范围，凡依据本发明申请专利保护范围所述的内容做出的等效变化和修饰，均应包括在本发明申请专利范围内。

Claims (1)

1、一种超短波红外光电烘烤炉，包括烘烤炉箱体（1）和光电控制系统，其特征在于，所述烘烤炉箱体（1）由箱内、箱外两部分组成；箱内为烘烤区，箱外为上、下料区，箱体内壁装有内墙板（2），于两侧内墙板（2）上，分上下两排安装了若干组红外线光电灯管（3），每只红外线光电灯管（3）都装有反光罩（4），在烘烤炉箱体（1）的顶部安装有用伺服电机驱动的由箱外上料区至箱内烘烤区、由箱内烘烤区至箱外下料区可循环行进移动的传动链（5），于所述的传动链（5）上，按一定间隔安装设置了若干用于烘烤的零件挂架（6），在烘烤炉箱体（1）的顶部还并排安装有用于通风的搅拌风扇（7）和通风口（8），烘烤炉箱体（1）的底部装有风管（9）。
2、根据权利要求1所述的超短波红外光电烘烤炉，其特征在于，所述的内墙板（2）为高光镜面不锈钢板，或为高光镜面铝板。
3、根据权利要求1所述的超短波红外光电烘烤炉，其特征在于，所述红外线光电灯管（3）的反光罩（4）为高光抛物线反光罩。
4、根据权利要求1所述的超短波红外光电烘烤炉，其特征在于，所述的光电控制系统由硅可控开关（SCR）控制灯管的开启与关闭。
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