WO2017028355A1 - 一种带材高速涂装工艺 - Google Patents
一种带材高速涂装工艺 Download PDFInfo
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- WO2017028355A1 WO2017028355A1 PCT/CN2015/089902 CN2015089902W WO2017028355A1 WO 2017028355 A1 WO2017028355 A1 WO 2017028355A1 CN 2015089902 W CN2015089902 W CN 2015089902W WO 2017028355 A1 WO2017028355 A1 WO 2017028355A1
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- strip
- winding device
- coating process
- coating
- horizontal
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
Definitions
- the invention relates to the field of strip coating production and manufacture, in particular to a strip high speed coating process.
- the existing strip production methods such as color steel plate and aluminum plate coating are mainly divided into roll coating method, curtain flow method and powder coating method, and there is also a film coating method.
- the strip is generally pretreated, dried and preheated; the strip enters the coating process, and the liquid or powder coating is applied to the upper and lower surfaces of the strip by the coating equipment; the strip coated with the coating After entering the curing oven to bake and solidify; the strip after the coating is solidified is finished after the cooling and winding process.
- the strips of the double-sided powder coating production line of the above-mentioned color steel plate are generally conveyed in a horizontal state, that is, the sides of the strips conveyed are equal to the horizontal plane, and the upper surface powder is caused by the adverse effects of gravity and system exhaust on the powder adsorption efficiency.
- the uniformity of the coating and the flatness of the coating are difficult to control, and the powder adsorption efficiency of the lower surface of the strip is low. It can be seen from the above that the existing horizontal plate conveyor belt process mode is difficult to construct in the powder coating process, and the production efficiency is difficult to improve due to the low powder adsorption efficiency; for this reason, the applicant changes his mind and changes the strip.
- the conveying method is started to provide a vertical plate conveying method for powder coating, which will effectively overcome the spraying defects and the unfavorable factors of spraying construction caused by the existing horizontal plate conveying method, and can reduce the control difficulty of the powder spraying process segment. And can improve the powder adsorption efficiency and spray uniformity, thereby increasing the speed of the coating line.
- the present invention provides a high speed coating process for strips.
- a strip high-speed coating process comprising a unwinding device, a winding device, and a painting process area disposed between the unwinding device and the winding device, wherein the painting process area includes a spraying process, and the strip passes
- the unwinding equipment and the winding equipment are conveyed, and when the strip passes through the painting process area, the strip is substantially perpendicular to the horizontal plane.
- the angle between the strip and the horizontal plane is 60° to 120°.
- the unwinding device and the winding device are arranged vertically.
- the unwinding device and the winding device are horizontally arranged, and the strip is turned over from the horizontal device to the vertical state by the vertical guiding device before entering the area of the painting process, and the strip is vertically guided by the horizontal guiding device before entering the winding device
- the straight state is flipped to the horizontal state.
- the unwinding device is horizontally disposed, the winding device is vertically disposed, and the strip is turned over from the horizontal device to the vertical state by the vertical guide before entering the area of the painting process.
- the unwinding device is vertically disposed, the winding device is horizontally disposed, and the strip is turned from a vertical state to a horizontal state by a horizontal guiding device before entering the winding device.
- the strip transport centerline trajectory is parallel to the horizontal plane.
- the coating process area includes or partially includes a strip surface pretreatment process, a drying process, a preheating process, a heating process, a gelation process, a curing process, a cooling process, or other new surface treatment processes.
- a strip high-speed coating process comprising a unwinding device, a winding device, and a painting process area disposed between the unwinding device and the winding device, the strip passing through the unwinding device, receiving
- the roll equipment conveys, when the strip passes through the coating process area, the strip is substantially perpendicular to the horizontal plane, and the painting process area may include or partially contain a conventional strip coating process such as cleaning, draining, degreasing, chemical coating treatment, baking Drying, preheating, warming, spraying, gelling, solidifying, cooling or other strip surface treatment processes.
- the vertical surface of the strip passes through the spray process area to facilitate strip pre-surface treatment such as strip cleaning, draining, Degreasing, chemical coating treatment and drying processes, and the implementation and application of powder coating, especially in the cleaning and draining process, have obvious advantages, reduce the control difficulty of the powder coating process, and improve the powder adsorption efficiency. And spray uniformity, which can increase the speed of the coating line.
- FIG. 1 is a schematic view showing the arrangement 1 of the receiving and unwinding apparatus of the present invention
- FIG. 2 is a schematic view showing the arrangement 2 of the receiving and unwinding device of the present invention.
- Figure 3 is a schematic view of the guiding device in the second arrangement of the receiving and unwinding device of the present invention.
- a strip high-speed coating process comprising a unwinding device 1, a winding device 2, and a painting process area disposed between the unwinding device 1 and the winding device 2, and the strip 10 is passed through the unwinding device 1.
- the equipment 2 is transported, and the painting process area may include or partially include a conventional strip coating process such as cleaning, draining, degreasing, chemical coating treatment, drying, preheating, heating, spraying, gelling, solidifying, cooling.
- the strip 10 when the strip 10 passes through the process area, the strip 10 is placed substantially perpendicular to the horizontal plane, and the center line trajectory of the strip 10 is parallel to the horizontal plane, and the coating process is completed on both sides of the strip.
- the air suction device in the matching powder spraying chamber can easily realize the uniform and controllable air flow field in the electrostatic spraying range, which will be beneficial to the powdering efficiency of the charged powder particles being adsorbed to the surface of the strip;
- the plate When changing the color in the dusting room, the plate stays inside the dusting chamber.
- the cleaning of the powdering room in the vertical plate conveying mode will be simpler and easier than the spraying room in the horizontal plate conveying mode. Shorten the time of the color change cleaning process of the powder room, which can improve the working efficiency of the production line; and reduce the chance of color mixing pollution of the spray system during the color change process.
- the strip plate is vertically arranged, so that the efficiency of the washing and draining process is higher than that of the conventional process, and the coating speed is further improved.
- the angle of the strip 10 to the horizontal plane when applying the process area may be 60° to 120°.
- the ideal condition is to set the strip to be vertical, that is, 90°. Spraying, cleaning, draining and other processes have the best efficiency and the best spraying effect.
- the strip 10 can be vertically passed through the painting process area in two ways:
- the unwinding device 1 and the winding device 2 are directly arranged vertically, so that the vertical conveying belt 10 can be realized, and the arrangement is simple, and no additional equipment is needed, and the utility model can be widely promoted and used;
- the present method follows a conventional production line, the unwinding device 1 and the winding device 2 are still horizontally arranged, and the strip 10 is horizontally guided by the vertical guide 3 before entering the area of the painting process.
- the device is turned to the vertical state, and the strip 10 is turned from the vertical state to the horizontal state by the horizontal guiding device 4 before entering the winding device 2, so that the strip 10 can pass vertically through the painting process area, and can be used
- the traditional winding device 2 and the unwinding device 1 are beneficial to the transformation of the conventional equipment.
- the vertical guiding device and the horizontal guiding device may be composed of a plurality of guide rollers 5 whose angles are gradually changed, and the guiding strip is turned over; of course, in the specific implementation process, Direct guidance by sliding guide surfaces, guide blocks, etc., will not be described in detail herein.
- the unwinding device 1 and the winding device 2 may have other placement manners, such as: horizontally setting the unwinding device 1, the winding device 2 is vertically disposed, and the strip 10 is in the coating
- the area of the process is vertically turned by the horizontal device to the vertical state, and finally the winding device 2 is vertically wound up; or the unwinding device 1 is vertically disposed, and the winding device 2 is horizontally disposed.
- the strip 10 passes vertically through the area of the coating process. After the strip 10 is finished, it is flipped from the vertical state to the horizontal state by the horizontal guiding device 4 before entering the winding device 2, and finally wound up by the winding device 2 horizontally.
- the effect of the vertical coating process of the strip 10 can be achieved, and will not be described in detail herein.
Abstract
一种带材高速涂装工艺，包括放卷设备（1）、收卷设备（2）以及设置在放卷设备（1）、收卷设备（2）之间的涂装工艺区域，带材（10）通过放卷设备（1）、收卷设备（2）输送，带材（10）通过涂装工艺区域时，带材（10）与水平面大致垂直，涂装工艺区域包含传统的带材涂装工艺如清洗、沥水、除油、化学涂层处理、烘干、预热、加温、喷涂、胶化、固化、冷却等带材表面处理工艺，带材（10）的板面竖直地通过喷涂工艺区域有利于带材的表面预处理如清洗、沥水、除油、化学涂层处理及烘干等工序，以及粉末喷涂的实施和应用，尤其在清洗和沥水工序，有非常明显的优势。本工艺能够降低粉末喷涂工序段的控制难度，提高粉末吸附效率和喷涂均匀性，提高涂装生产线速度。
Description
技术领域
本发明涉及带材涂装生产制造领域，特别是一种带材高速涂装工艺。
背景技术
现有带材如彩钢板、铝板涂装生产工艺主要分为辊涂法、幕流法及粉末喷涂法,此外还有贴膜法。带材一般先经过表面预处理、干燥及预热；带材才进入涂装工艺段,由涂装设备将液体或粉末涂料涂敷到带材的上、下表面；涂覆好涂料的带材进入固化炉烘烤、固化；涂料固化后的带材经过冷却、收卷工序后完成涂装工艺。上述彩钢板双面粉末涂装生产线的带材一般采用水平状态输送，即输送的带材两侧边线与水平面等高，由于重力、系统抽风对于粉末吸附效率的不利影响，会导致上表面粉末涂层均匀性和涂层平整度较难控制，同时带材下表面的粉末吸附效率较低。
从上可看出现有的水平板面输送带材的工艺模式，在粉末喷涂环节施工较困难，且生产效率由于粉末吸附效率低而较难提高；为此，申请人改变思路，从改变带材输送方式着手，提供一种便于粉末喷涂的带材竖直板面输送方式，将有效克服现有水平板面输送方式带来的喷涂缺陷和喷涂施工不利因素，可降低粉末喷涂工序段的控制难度，并能提高粉末吸附效率和喷涂均匀性，由此可提高涂装生产线速度。
发明内容
为了克服现有技术的不足，本发明提供一种带材高速涂装工艺。
本发明解决其技术问题所采用的技术方案是：
一种带材高速涂装工艺，包括放卷设备、收卷设备及设置在放卷设备、收卷设备之间的涂装工艺区域，所述涂装工艺区域内包含有喷涂工艺，带材通过放卷设备、收卷设备输送，带材通过涂装工艺区域时，带材与水平面大致垂直。
带材通过喷涂设备时，带材与水平面的夹角为60°至120°。
所述放卷设备和收卷设备竖直布置。
所述放卷设备和收卷设备水平布置，带材在进入涂装工艺的区域前经竖直导向装置由水平装置翻转至竖直状态，带材在进入收卷设备前经水平导向装置由竖直状态翻转至水平状态。
所述放卷设备水平设置，所述收卷设备竖直设置，带材在进入涂装工艺的区域前经竖直导向装置由水平装置翻转至竖直状态。
所述放卷设备竖直设置，所述收卷设备水平设置，带材在进入收卷设备前经水平导向装置由竖直状态翻转至水平状态。
带材通过涂装工艺区域时，带材输送中心线轨迹与水平面平行。
涂装工艺区域内包含或部分包含带材表面预处理工艺、干燥工艺、预热工艺、加温工艺、胶化工艺、固化工艺、冷却工艺或其他新的表面处理工艺。
本发明的有益效果是：一种带材高速涂装工艺，包括放卷设备、收卷设备及设置在放卷设备、收卷设备之间的涂装工艺区域，带材通过放卷设备、收卷设备输送，带材通过涂装工艺区域时，带材与水平面大致垂直，涂装工艺区域可包含或部分包含传统的带材涂装工艺如清洗、沥水、除油、化学涂层处理、烘干、预热、加温、喷涂、胶化、固化、冷却或其他带材表面处理工艺，带材的板面竖直的通过喷涂工艺区域有利于带材预表面处理如带材清洗、沥水、除油、化学涂层处理及烘干等工序，和粉末喷涂的实施及应用，特别在清洗和沥水工序，有非常明显的优势，并降低粉末喷涂工序段的控制难度，并能提高粉末吸附效率和喷涂均匀性，由此可提高涂装生产线速度。
附图说明
下面结合附图和实施例对本发明进一步说明。
图1是本发明收、放卷设备布置方式一的示意图；
图2是本发明收、放卷设备布置方式二的示意图；
图3是本发明收、放卷设备布置方式二中的导向装置的示意图。
具体实施方式
一种带材高速涂装工艺，包括放卷设备1、收卷设备2及设置在放卷设备1、收卷设备2之间的涂装工艺区域，带材10通过放卷设备1、收卷设备2输送，涂装工艺区域可包含或部分包含传统的带材涂装工艺如清洗、沥水、除油、化学涂层处理、烘干、预热、加温、喷涂、胶化、固化、冷却等或其他基材表面处理工艺，其中清洗、沥水、除油、化学涂层处理为带材预处理工艺，其涉及有张力控制装置、纠偏装置、带材预表面处理、静电粉末喷涂装置、胶化装置、固化装置、冷却装置等，上述工艺、设备均与传统工艺、设备类似，在此不作详述。
在本发明中，带材10通过涂装工艺区域时，带材10设置至与水平面大致垂直，且带材10输送中心线轨迹与水平面平行，涂装工艺在带材两侧完成。
本发明在粉末喷涂环节的有益效果是：
1.改变了带材在粉末喷涂环节中一般采用水平板面输送为竖直板面输送，这样静电粉末喷涂装置可布置于竖直板面的两侧面，便于“点源”（密集的静电喷枪）或“线源”（均匀分布的静电粉末云雾）静电粉末喷涂装置的布局；
2.相配套的粉末喷涂室内的抽风装置容易实现静电喷涂范围内的均匀及可控的抽风流场，将有益于荷电粉末粒子被吸附至带材表面的上粉效率；
3.喷涂水平板面之上表面时，由于粉末质量差或分散装置无法对粉末实现100%的理想分散，在重力的影响下，这些未分散的“小粉团”将会被喷洒在上表面，造成喷涂的缺陷，竖直板面的喷涂过程会降低“小粉团”直接被喷洒在竖直板面上的可能性，可减少该喷涂缺陷；
4.喷涂水平板面之下表面时，在重力的影响下，将会降低粉末的上粉效率，竖直板面的喷涂上粉效率可得到提高，并可提高粉末涂层膜厚的均匀度；
5.在喷粉室换色时，板材是停留在喷粉室内部的，竖直板面输送方式的喷粉室清理换色将比水平板面输送方式的喷房简单、容易，这样会大大缩短喷粉室换色清理工序的时间，可提高生产线工作效率；且可减少喷涂系统在换色过程中的混色污染的机会。
并且，本发明在带材的清洗、沥水工序时，由于带材板材竖直布置，使得清洗、沥水工序的效率也高于传统的工艺，进一步提高涂装的速度。
在本发明中，带材10通过涂装工艺区域时与水平面的夹角可为60°至120°，在具体实施例中，理想状态是将带材设置为竖直，即90°，此时，喷涂、清洗、沥水等工序效率最好，喷涂效果最佳。
在本发明中，可通过两种方式实现带材10竖直通过涂装工艺区域：
一、参照图1，直接将放卷设备1和收卷设备2竖直布置，即可实现竖直输送带材10，且该布置方式简单，无需增添其他设备，可大量的推广使用；
二、参照图2、图3，本方式沿用传统的生产线，所述放卷设备1和收卷设备2依然水平布置，带材10在进入涂装工艺的区域前经竖直导向装置3由水平装置翻转至竖直状态，带材10在进入收卷设备2前经过水平导向装置4由竖直状态翻转至水平状态，即可使得带材10能够竖直的通过涂装工艺区域，并且可以沿用传统的收卷设备2、放卷设备1，有利于传统设备的改造。
如图3所示，在上述的方式二中，所述的竖直导向装置、水平导向装置可由若干角度逐渐变化的导辊5组成，引导带材翻转；当然在具体实施过程中，还可以直接的通过滑动导向面、导向块等直接导向，在此不作详述。
当然在具体实施过程中，放卷设备1和收卷设备2还可有其他的放置方式，如：将放卷设备1水平设置，所述收卷设备2竖直设置，带材10在进入涂装工艺的区域前经竖直导向装置3由水平装置翻转至竖直状态，最后由收卷设备2竖直收卷；或将放卷设备1竖直设置，所述收卷设备2水平设置，带材10竖直通过涂装工艺的区域，带材10涂装完成后，在进入收卷设备2前经水平导向装置4由竖直状态翻转至水平状态，最后由收卷设备2水平收卷，均能实现带材10竖直涂装工艺的效果，在此不作详述。
以上对本发明的较佳实施进行了具体说明，当然，本发明还可以采用与上述实施方式不同的形式，熟悉本领域的技术人员在不违背本发明精神的前提下所作的等同的变换或相应的改动，都应该属于本发明的保护范围内。
Claims (8)
- 一种带材高速涂装工艺，包括放卷设备、收卷设备及设置在放卷设备、收卷设备之间的涂装工艺区域，所述涂装工艺区域内包含有喷涂工艺，带材通过放卷设备、收卷设备输送，其特征在于：带材通过涂装工艺区域时，带材与水平面大致垂直。
- 根据权利要求1所述的一种带材高速涂装工艺，其特征在于：带材通过喷涂设备时，带材与水平面的夹角为60°至120°。
- 根据权利要求1所述的一种带材高速涂装工艺，其特征在于：所述放卷设备和收卷设备竖直布置。
- 根据权利要求1所述的一种带材高速涂装工艺，其特征在于：所述放卷设备和收卷设备水平布置，带材在进入涂装工艺的区域前经竖直导向装置由水平装置翻转至竖直状态，带材在进入收卷设备前经水平导向装置由竖直状态翻转至水平状态。
- 根据权利要求1所述的一种带材高速涂装工艺，其特征在于：所述放卷设备水平设置，所述收卷设备竖直设置，带材在进入涂装工艺的区域前经竖直导向装置由水平装置翻转至竖直状态。
- 根据权利要求1所述的一种带材高速涂装工艺，其特征在于：所述放卷设备竖直设置，所述收卷设备水平设置，带材在进入收卷设备前经水平导向装置由竖直状态翻转至水平状态。
- 根据权利要求1所述的一种带材高速涂装工艺，其特征在于：带材通过涂装工艺区域时，带材输送中心线轨迹与水平面平行。
- 根据权利要求1所述的一种带材高速涂装工艺，其特征在于：涂装工艺区域内包含或部分包含带材表面预处理工艺、干燥工艺、预热工艺、加温工艺、胶化工艺、固化工艺、冷却工艺。
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| CN110624760A (zh) * | 2019-09-20 | 2019-12-31 | 无锡市天牛智能装备有限公司 | 多辊双面涂布机 |
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| US4765273A (en) * | 1986-07-16 | 1988-08-23 | Leybold-Heraeus Gmbh | Transporting device with roller systems for vacuum-coating installations |
| CN201154340Y (zh) * | 2008-02-22 | 2008-11-26 | 铁岭北辰彩板制造有限公司 | 迷彩板组合辊涂机 |
| TW200932361A (en) * | 2007-10-17 | 2009-08-01 | Ppg Ind Ohio Inc | Methods and systems for coating substrates |
| CN102989626A (zh) * | 2012-10-30 | 2013-03-27 | 无锡鸿声铝业有限公司 | 涂布机涂布辊轮装置 |
| CN103623967A (zh) * | 2012-08-27 | 2014-03-12 | 南京林业大学 | 一种油漆垂直辊涂系统 |
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| CN2493306Y (zh) * | 2001-04-17 | 2002-05-29 | 浦定艳 | 立式钢板预处理装置 |
| CN201030349Y (zh) * | 2007-04-27 | 2008-03-05 | 郝国臣 | 节能彩色涂层钢板生产装置设备 |
| CN201291183Y (zh) * | 2008-06-30 | 2009-08-19 | 上虞市风帆电气附件有限公司 | 钢带喷塑装置 |
| CN202964006U (zh) * | 2012-11-23 | 2013-06-05 | 营口超烁图码科技板业有限公司 | 一种喷涂彩钢板的生产线 |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4765273A (en) * | 1986-07-16 | 1988-08-23 | Leybold-Heraeus Gmbh | Transporting device with roller systems for vacuum-coating installations |
| TW200932361A (en) * | 2007-10-17 | 2009-08-01 | Ppg Ind Ohio Inc | Methods and systems for coating substrates |
| CN201154340Y (zh) * | 2008-02-22 | 2008-11-26 | 铁岭北辰彩板制造有限公司 | 迷彩板组合辊涂机 |
| CN103623967A (zh) * | 2012-08-27 | 2014-03-12 | 南京林业大学 | 一种油漆垂直辊涂系统 |
| CN102989626A (zh) * | 2012-10-30 | 2013-03-27 | 无锡鸿声铝业有限公司 | 涂布机涂布辊轮装置 |
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