CN110641000A - 一种新型步进式紫外光固化微压印装置 - Google Patents
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Abstract
本发明公开了一种新型步进式紫外光固化微压印装置及方法。该装置主要由支架、透明基材、放卷机构、张力控制系统、收卷机构、导向辊、压印装置、光照系统、涂布机构等组成。其内容包括:压印模具经过抗粘处理使其对光固化材料压印完成后具有不粘性,易于分离。光固化材料通过垂直于透明基材的涂布机构涂覆在透明基材上,调节刮刀与涂布辊表面之间的距离控制光固化材料的量,打开紫外光源,启动压印装置,光固化材料通过紫外光辐照固化并与透明基材连为一体,得到微结构,压印装置离开透明基材至下一次压印过程中,透明基材以均匀间歇的方式向前运动,基材上已完成的微结构向前运动恰好通过压印装置,基材上未被压印的光固化材料进行下一轮压印,依次循环,最终得到微结构。本发明设备简单,易于操作,有较高的产品良率并且能够进行大批量生产。
Description
技术领域
本发明属于微纳加工制造领域,尤其涉及一种紫外光固化微压印的装置。
背景技术
微纳制造技术通常是指微纳米级的材料、制造、设计、测量、控制和产品的技术。随着技术的进步,纳米科学和纳米技术的迅速崛起,微纳制造技术显得尤为重要。目前,微纳制造技术具有体积小、重量轻、可靠性高等优点,广泛用于生物医学、国防科技、光学产业、精细化工等方面,且微纳结构材料具有良好的稳定性,该材料一般不会团聚,在使用过程中结构也比较稳定,因其特殊的形貌和性能,越来越引起人们的重视。
21世纪,纳米制造将成为世界发达国家技术竞争的评定之一。微纳制造工艺与技术的发展使制造对象由宏观进入微观和纳观,大幅度提升了制造的精度和质量,对促进学科交叉起到积极的推动作用,使制造科学的研究更加完善。在科学技术的推动下,以微纳制造为代表的先进制造技术必将向“信息化、极限化和绿色化”的方向发展,最终成为未来制造业发展的关键,可以说微纳制造技术是未来科技发展中不可或缺的核心技术之一,只有全面掌握微纳制造技术,才能保障未来的高新技术发展。
微纳压印技术主要分为热压印和紫外压印两大类,紫外光固化微压印技术不同于传统的热压印成型的制备方法。紫外光固化微压印技术可以在常温常压下进行,克服了热压印造成的热变形及翘曲的缺陷,最重要的不同是热压印过程模具的温度先升高后降低,而紫外压印在整个过程处于恒温的状态,减少了热压印达到高温高压环境所需的时间,提高了生产效率,具有成本低、操作简便、成型快、效率高、绿色环保等优点。本发明采用的步进式紫外光固化装置以均匀间歇的方式向前运动,利用无缝拼接原理,所得制品加倍扩大,使得制品可大批量不间断连续生产。
发明内容
本发明的目的在于提供一种新型步进式紫外光固化微压印装置,利用紫外光固化微压印技术在常温常压下进行压印,成本低、操作简便,克服了热压印成型条件高的难题。本发明具有成型效率高,复制精度高,能量消耗低等优点。
为了达到上述发明目的,本发明采用的技术方案是:一种新型步进式紫外光固化装置。该装置包括支架、透明基材、放卷机构、张力控制系统、收卷机构、导向辊、压印装置、光照系统、涂布机构。压印模具表面经过抗粘处理,使其对光固化材料具有不粘性,光固化材料固化后易于与压印装置脱落,涂布机构将光固化材料均匀涂覆在透明基材上,打开紫外光源,启动压印装置,得到微结构膜,压印装置离开透明基材至下一次压印过程中,透明基材以均匀间歇方式向前运动,当压印装置再次压印时,微结构膜恰好通过压印装置,未被压印的光固化材料进行下一轮压印,最后通过导向辊牵引与收卷机构将微结构膜进行收卷。
根据本发明所提出的步进式紫外光固化微压印装置,其所述压印装置每次离开透明基材的时间间隔,透明基材应恰好向前运动一个压印装置所压印的长度。
根据本发明所提出的步进式紫外光固化微压印装置,其所述放卷机构位于基材侧上方,放卷时会相对省力,对放卷机构起到保护作用。
根据本发明所提出的步进式紫外光固化微压印装置,其所述收卷机构位于基材侧下方,收卷时对收卷机构起到保护作用。
根据本发明所提出的步进式紫外光固化微压印装置,其所述紫外光照可以为紫外激光束、高压汞灯、金属卤素灯、无极灯、UV等离子体或UVLED面光源等。
根据本发明所提出的步进式紫外光固化微压印装置,其所述透明基材可以为PP、PET、PVC、PE 、PC、PMMA等透光性较好的材料。
根据本发明所提出的步进式紫外光固化微压印装置,其所述涂布机构包括涂布棍和刮刀,光固化材料经涂布棍涂布在透明基材上,通过刮刀刮刀与涂布辊表面之间的距离来实现对光固化材料量的控制。
根据本发明所提出的一种新型步进式紫外光固化微压印装置,其工艺路线包括:(1)压印模具表面经过抗粘处理使其对光固化材料具有不粘性,透明基材通过2、7导向辊使其铺放平整。(2)通过放卷机构9和导向辊7将透明基材均匀间歇地向前输送。(3)光固化材料通过涂布机构8均匀涂覆在透明基材上。(4)打开紫外光源,启动压印装置,使光固化材料固化与透明基材融为一体。(5)压印装置离开透明基材至下一次压印过程中,透明基材以均匀间歇方式向前运动,当压印装置再次压印时,基材上已压印完成的微结构膜向前运动恰好通过压印装置,基材上未被压印的光固化材料进行下一轮压印。(6)依次重复此过程。(7)通过收卷机构1和导向辊2将微结构膜收卷。
根据本发明所提出的一种新型步进式紫外光固化微压印装置,其所述的压印方式是间歇式压印,压印装置离开透明基材至下一次压印过程中,透明基材以均匀间歇的方式向前运动,已完成的微结构膜恰好通过压印装置,未被压印的光固化材料进行下一轮压印,最终得到微结构膜。
根据本发明所提出的一种新型步进式紫外光固化微压印装置,其所述压印模具表面进行抗粘处理,使其对光固化材料压印固化完成后易与制品分离。
本发明相比较于传统热压印工艺,具有操作简便,常温常压下可以进行,成本低,避免了热膨胀对制品精度的影响,成形精度高。本发明采用间歇式压印方式进行压印,结构简单,易于大批量生产。
附图说明
图1是本发明一种步进式紫外光固化微压印装置的简化原理图。
图中:1、收卷机构;2、7导向辊;3、光照装置;4、压印装置;5、6支架;8、涂布机构;9、放卷装置。
具体实施方式
为了本发明便于理解,结合下面附图对本发明进一步说明。
本发明提供的步进式紫外光固化微压印装置,包括1、收卷机构;2、7导向辊;3、光照系统;4、压印装置;5、6支架;8、涂布机构;9、放卷装置。压印模具经过抗粘处理使其对光固化材料具有不粘性,使其对光固化材料压印固化完成后易与压印模具分离。通过收卷机构1和放卷机构9对透明基材收卷和放卷。光固化材料通过涂布机构8均匀涂覆在透明基材上,光固化材料随着2、7导向辊以均匀间歇的方式向前运动,打开光照系统3,启动压印装置4,使光固化材料固化与透明基材融为一体,最后通过收卷机构1和导向辊2将微结构膜收卷。
Claims (6)
1.一种新型步进式紫外光固化微压印装置,其特征在于:该装置包括支架、透明基材、放卷机构、张力控制系统、收卷机构、导向辊、压印装置、光照装置、涂布机构;光固化材料通过垂直于透明基材的涂布机构将光固化材料均匀涂覆到透明基材上,打开紫外光源,光固化材料通过垂直于上方的压印模具在紫外光光照下固化成型并与透明基材连为一体,得到微结构,透明基材以间歇运动方式向前运动,依次压印,通过收卷机构和导向辊将压印好的微结构膜收卷。
2.根据权利要求书1所述的一种新型步进式紫外光固化微压印装置,其特征在于:所述压印装置每次离开透明基材的时间间隔,透明基材应恰好向前运动一个压印装置所压印的长度。
3.根据权利要求书1所述的一种新型步进式紫外光固化微压印装置,其特征在于:所述紫外光照可以为紫外激光束、高压汞灯、金属卤素灯、无极灯、UV等离子体或UVLED面光源。
4.根据权利要求书1所述的一种新型步进式紫外光固化微压印装置,其特征在于:所述的透明基材可以为PP、PET、PVC、PE、 PC、PMMA等透光性较好的材料。
5.根据权利要求书1所述的一种新型步进式紫外光固化微压印装置,其特征在于:所述涂布机构包括涂布棍和刮刀,光固化材料经涂布棍涂布在透明基材上,通过刮刀与涂布辊表面之间的距离来实现对光固化材料量的控制。
6.根据权利要求书1所述的一种新型步进式紫外光固化微压印装置,其特征在于:所述压印模具表面进行抗粘性处理,在辊模上涂覆氟化涂层,使其对光固化材料压印固化完成后易与制品分离。
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Cited By (4)
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CN111605347A (zh) * | 2020-06-11 | 2020-09-01 | 南京工业职业技术学院 | 一种激光加热辊型微细压印装置 |
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CN114030304A (zh) * | 2021-10-29 | 2022-02-11 | 绍兴虎彩激光材料科技有限公司 | 一种基于可复用紫外光固化材料的微纳结构转印方法 |
WO2022217954A1 (zh) * | 2021-04-16 | 2022-10-20 | 深圳先进技术研究院 | 微纳结构制作方法及微纳结构制作装置 |
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2019
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CN111605347A (zh) * | 2020-06-11 | 2020-09-01 | 南京工业职业技术学院 | 一种激光加热辊型微细压印装置 |
CN111605347B (zh) * | 2020-06-11 | 2022-07-15 | 南京工业职业技术大学 | 一种激光加热辊型微细压印装置 |
CN112570218A (zh) * | 2020-12-04 | 2021-03-30 | 四川省新康意新材料科技有限公司 | 一种光固化压纹装置 |
WO2022217954A1 (zh) * | 2021-04-16 | 2022-10-20 | 深圳先进技术研究院 | 微纳结构制作方法及微纳结构制作装置 |
CN114030304A (zh) * | 2021-10-29 | 2022-02-11 | 绍兴虎彩激光材料科技有限公司 | 一种基于可复用紫外光固化材料的微纳结构转印方法 |
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