CN219435212U - Embossing device - Google Patents
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- CN219435212U CN219435212U CN202320378682.4U CN202320378682U CN219435212U CN 219435212 U CN219435212 U CN 219435212U CN 202320378682 U CN202320378682 U CN 202320378682U CN 219435212 U CN219435212 U CN 219435212U
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- 238000004049 embossing Methods 0.000 title claims description 41
- 239000012790 adhesive layer Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000004513 sizing Methods 0.000 claims abstract 2
- 239000010410 layer Substances 0.000 claims description 31
- 238000001514 detection method Methods 0.000 claims description 30
- 239000003292 glue Substances 0.000 claims description 30
- 238000003825 pressing Methods 0.000 claims description 22
- 238000004026 adhesive bonding Methods 0.000 claims description 10
- 238000007774 anilox coating Methods 0.000 claims description 9
- 239000010408 film Substances 0.000 abstract description 173
- 238000010023 transfer printing Methods 0.000 abstract description 6
- 239000010409 thin film Substances 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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Abstract
Description
技术领域technical field
本实用新型涉及印刷技术领域,特别是涉及一种压印设备。The utility model relates to the technical field of printing, in particular to an embossing device.
背景技术Background technique
UV转印本质上是一种微结构压印技术,其具有如下特点:实现超高分辨率,没有光学曝光中的衍射现象;高保真度,几乎无差别的将结构模具上图形转印到基材上;高产量,微结构图形并行处理;低成本,无需电子束、曝光机的复杂系统。UV转印技术中实现多层微结构高精度定位对准转印是该技术的难点和瓶颈。UV transfer printing is essentially a microstructure imprinting technology, which has the following characteristics: to achieve ultra-high resolution, no diffraction phenomenon in optical exposure; material; high output, parallel processing of microstructure graphics; low cost, no complex system of electron beam and exposure machine. In UV transfer printing technology, it is the difficulty and bottleneck of this technology to realize high-precision positioning and alignment transfer of multi-layer microstructures.
目前,国内外报导的高精度多层定位对准微结构转印技术,一般结构复杂,且只适合在单片片材图形转印。在连续卷材上批量实现多层图形套准的设备,如报导的多色定位印刷设备,虽然可以实现卷材连续套准印刷,但是套准精度一般都大于0.1mm。At present, the high-precision multi-layer positioning and alignment microstructure transfer printing technology reported at home and abroad generally has a complex structure and is only suitable for graphic transfer on a single sheet. Equipment that realizes multi-layer graphics registration in batches on continuous coils, such as the reported multi-color positioning printing equipment, although continuous registration printing on coils can be achieved, the registration accuracy is generally greater than 0.1mm.
实用新型内容Utility model content
针对现有技术存在的不足,本实用新型的目的在于提供一种压印设备,可以在连续卷材上实现微米级高精密多层图形的UV光转印。In view of the deficiencies in the prior art, the purpose of this utility model is to provide an embossing device, which can realize UV light transfer printing of micron-level high-precision multi-layer graphics on continuous coils.
本公开的第一方面提供了一种压印设备,包括:A first aspect of the present disclosure provides an imprinting device comprising:
模具,设有第一图案,所述第一图案从所述模具的头端向尾端延伸;a mold provided with a first pattern, the first pattern extending from the head end to the tail end of the mold;
上胶装置,用于在所述模具和/或薄膜带上形成胶层,所述薄膜带具有沿所述薄膜带的长度方向重复排列的第二图案;A gluing device for forming a glue layer on the mold and/or the film strip, the film strip having a second pattern repeatedly arranged along the length direction of the film strip;
压印组件,包括对位调整装置、压辊和平移辊组,所述压辊和所述平移辊组能够在所述模具的头端与尾端之间移动;平移辊组从头端移动到尾端将所述薄膜带张紧在所述模具的一侧;所述对位调整装置用于放置模具并调整所述模具与所述薄膜带之间的相对位置,以使所述模具上的所述第一图案与所述薄膜带上的所述第二图案对位;所述压辊从头端移动到尾端对薄膜带和胶层进行施压,使胶层表面压印出与第一图案对应的结构;平移辊在所述压辊压印后从所述模具的尾端向头端移动实现揭膜。Embossing assembly, including alignment adjustment device, pressure roller and translation roller set, the pressure roller and the translation roller set can move between the head end and the tail end of the mold; the translation roller set moves from the head end to the tail end tension the film belt on one side of the mold; the alignment adjustment device is used to place the mold and adjust the relative position between the mold and the film belt, so that all the film belts on the mold The first pattern is aligned with the second pattern on the film tape; the pressure roller moves from the head end to the tail end to apply pressure to the film tape and the adhesive layer, so that the surface of the adhesive layer is embossed with the first pattern Corresponding structure: the translation roller moves from the tail end of the mold to the head end after the pressure roller embosses to realize the peeling off.
可选的,所述第一图案包括第一主体和第三对位标识,所述第三对位标识位于所述第一主体的对角;所述第二图案包括第二主体、第一对位标识和第二对位标识,所述第一对位标识设在所述第二主体外围,所述第二对位标识设于所述第二主体内。Optionally, the first pattern includes a first main body and a third alignment mark, and the third alignment mark is located at a diagonal corner of the first main body; the second pattern includes a second main body, a first pair of A position mark and a second alignment mark, the first alignment mark is set on the periphery of the second body, and the second alignment mark is set in the second body.
可选的,所述压印设备还包括:Optionally, the imprinting equipment also includes:
放卷单元,用于驱动所述薄膜带向所述压印组件传送;an unwinding unit, configured to drive the film tape to be conveyed to the embossing assembly;
收料单元,用于接收来自所述压印组件的薄膜带;a receiving unit for receiving the film tape from the embossing assembly;
第一检测装置,设于所述压印组件与所述收料单元之间,用于检测所述薄膜带上的第二图案的第一对位标识;The first detection device is arranged between the embossing assembly and the receiving unit, and is used to detect the first alignment mark of the second pattern on the film tape;
第二检测装置,设于所述模具定位平台内和/或设于所述模具的一侧,用于检测所述薄膜带上的第二图案的第二对位标识和所述模具上的第一图案的第三对位标识之间的对位偏差;The second detection device is arranged in the mold positioning platform and/or on one side of the mold, and is used to detect the second alignment mark of the second pattern on the film strip and the first alignment mark on the mold. Alignment deviation between the third alignment marks of a pattern;
控制器,用于在所述第一检测装置检测到所述第一对位标识时,控制所述放卷单元和所述收料单元停止薄膜带传送,以及在所述平移辊组完成揭膜后,控制所述放卷单元和所述收料单元恢复薄膜带传送。The controller is used to control the unwinding unit and the receiving unit to stop the film belt conveying when the first detection device detects the first alignment mark, and to stop the film stripping when the translation roller group finishes peeling off the film. After that, control the unwinding unit and the receiving unit to resume the film belt transmission.
可选的,所述压印设备包括模具定位平台,所述模具设于所述模具定位平台上,所述对位调整装置根据所述对位偏差驱动所述模具定位平台运动来带动所述模具移动。Optionally, the imprinting equipment includes a mold positioning platform, the mold is set on the mold positioning platform, and the alignment adjustment device drives the movement of the mold positioning platform according to the alignment deviation to drive the mold move.
可选的,所述平移辊组包括第一平移辊和第二平移辊,所述第一平移辊位于所述模具与所述第二平移辊之间,通过所述第一平移辊张紧在所述模具一侧的薄膜带与所述模具的顶面平行,所述第一图案设于所述模具的顶面;Optionally, the set of translation rollers includes a first translation roller and a second translation roller, the first translation roller is located between the mold and the second translation roller, and is tensioned by the first translation roller The film strip on one side of the mold is parallel to the top surface of the mold, and the first pattern is arranged on the top surface of the mold;
所述压印组件包括至少一个压辊;当所述压印组件包含多个压辊时,远离所述模具尾端的压辊用于定位薄膜带,靠近所述模具尾端的压辊依次或者同步压印所述薄膜带。The embossing assembly includes at least one pressing roller; when the embossing assembly includes a plurality of pressing rollers, the pressing rollers away from the tail end of the mold are used to position the film tape, and the pressing rollers near the tail end of the mold press sequentially or synchronously. Print the film strips.
可选的,所述压印组件还包括第一导轨、第二导轨、第一驱动器和第二驱动器,所述第一导轨和所述第二导轨从所述模具的头端向所述尾端延伸,所述第一驱动器用于驱动所述第一平移辊和所述第二平移辊沿所述第一导轨同步移动,所述第二驱动器用于驱动所述压辊沿所述第一导轨移动。Optionally, the embossing assembly further includes a first guide rail, a second guide rail, a first driver and a second driver, the first guide rail and the second guide rail run from the head end of the mold to the tail end Extending, the first driver is used to drive the first translation roller and the second translation roller to move synchronously along the first guide rail, and the second driver is used to drive the pressure roller to move along the first guide rail move.
可选的,所述压印设备还包括:Optionally, the imprinting equipment also includes:
固化组件,用于对薄膜带上的由所述压辊压印后的胶层进行固化。The curing component is used for curing the adhesive layer on the film tape after being embossed by the pressure roller.
可选的,所述固化组件包括固化光源、第一移动导轨和驱动器,所述第一移动导轨从所述模具的头端向尾端延伸,所述驱动器驱动所述固化光源沿所述第一移动导轨移动。Optionally, the curing assembly includes a curing light source, a first moving guide rail and a driver, the first moving guide rail extends from the head end to the tail end of the mold, and the driver drives the curing light source along the first moving guide rail. Move rails to move.
可选的,所述上胶装置包括网纹辊,通过转动所述网纹辊对所述薄膜带上胶;或者Optionally, the gluing device includes an anilox roller, and glues the film tape by rotating the anilox roller; or
所述上胶装置包括点胶头,所述点胶头可滑动的在所述薄膜带上或者所述模具的第一图案上点胶。The glue applying device includes a glue dispensing head, and the glue dispensing head is slidable to dispense glue on the film belt or on the first pattern of the mould.
实施上述方案,具有如下有益效果:Implement above-mentioned scheme, have following beneficial effect:
通过移动平移辊组将薄膜带张紧在模具的一侧,使模具上第一图案与薄膜带上第二图案初步对位,然后通过对位调整装置精确调整模具与薄膜带之间的相对位置,实现第一图案与第二图案的精准对位,其对准精度高,可达5~10微米;之后缩小模具与薄膜带之间的距离,使薄膜带、胶层和第一图案接触,然后利用压辊滚压薄膜带,使薄膜带、胶层和模具紧密贴合,提高压印精度;揭膜时,平移辊组反向移动,移动过程中薄膜带与模具之间的角度保持不变,故揭膜力度均匀,压印图案后的胶层更多的附着在薄膜带上,能够减少或者避免胶层粘结在模具上的现象。The film belt is tensioned on one side of the mold by moving the translation roller group, so that the first pattern on the mold and the second pattern on the film belt are initially aligned, and then the relative position between the mold and the film belt is precisely adjusted by the alignment adjustment device , realize the precise alignment between the first pattern and the second pattern, and its alignment accuracy is high, up to 5-10 microns; then reduce the distance between the mold and the film tape, so that the film tape, the adhesive layer and the first pattern are in contact, Then use the pressure roller to roll the film tape, so that the film tape, the adhesive layer and the mold are closely attached to improve the embossing accuracy; when the film is peeled off, the translation roller group moves in the opposite direction, and the angle between the film tape and the mold remains constant during the movement process. Change, so the peeling force is uniform, and the adhesive layer after embossing the pattern is more attached to the film tape, which can reduce or avoid the phenomenon that the adhesive layer sticks to the mold.
附图说明Description of drawings
图1是本公开实施例提供的薄膜带的结构示意图;FIG. 1 is a schematic structural view of a film strip provided by an embodiment of the present disclosure;
图2是本公开实施例提供的压印设备的一种结构示意图;FIG. 2 is a schematic structural diagram of an imprinting device provided by an embodiment of the present disclosure;
图3是本公开实施例提供的压印设备的一种结构示意图;FIG. 3 is a schematic structural diagram of an imprinting device provided by an embodiment of the present disclosure;
图4是本公开实施例提供的压印设备的一种结构示意图;FIG. 4 is a schematic structural diagram of an imprinting device provided by an embodiment of the present disclosure;
图5是本公开实施例提供的压印设备的一种结构示意图。FIG. 5 is a schematic structural diagram of an imprinting device provided by an embodiment of the present disclosure.
图6是本公开实施例提供的透射式立体悬空光场成像材料的结构示意图。Fig. 6 is a schematic structural diagram of a transmissive three-dimensional suspended light field imaging material provided by an embodiment of the present disclosure.
具体实施方式Detailed ways
为使本实用新型实施例的目的、技术方案和优点更加清楚,下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本实用新型一部分实施例,而不是全部的实施例。通常在此处附图中描述和示出的本实用新型实施例的组件可以以各种不同的配置来布置和设计。In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
因此,以下对在附图中提供的本实用新型的实施例的详细描述并非旨在限制要求保护的本实用新型的范围,而是仅仅表示本实用新型的选定实施例。基于本实用新型中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本实用新型保护的范围。Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
应注意到:相似的标号和字母在下面的附图中表示类似项,因此,一旦某一项在一个附图中被定义,则在随后的附图中不需要对其进行进一步定义和解释。It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.
在本实用新型的描述中,需要说明的是,术语“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,或者是该实用新型产品使用时惯常摆放的方位或位置关系,仅是为了便于描述本实用新型和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本实用新型的限制。此外,术语“第一”、“第二”、“第三”等仅用于区分描述,而不能理解为指示或暗示相对重要性。在本实用新型的描述中,除非另有说明,“多个”的含义是两个或两个以上。In the description of the present utility model, it should be noted that the orientations indicated by the terms "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of the utility model is used, it is only for the convenience of describing the utility model and simplifying the description, not to indicate or imply Means that a device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.
在本实用新型的描述中,还需要说明的是,除非另有明确的规定和限定,术语“设置”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本实用新型中的具体含义。In the description of the present utility model, it should also be noted that, unless otherwise clearly stipulated and limited, the terms "setting" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, Or integrally connected; either mechanical or electrical. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.
下面详细描述本实用新型的实施例,实施例的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的,仅用于解释本实用新型,而不能理解为对本实用新型的限制。Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.
请参见图2,本实施例提供的压印设备包括放卷单元、收料单元、薄膜处理单元和控制器,放卷单元用于驱动薄膜带100向压印组件传送,收料单元用于接收来自压印组件的薄膜带100,薄膜处理单元用于对从放卷单元传送至收料单元的薄膜带100进行压印处理,压印处理包括对位检测、上胶、压印和光固化;控制器分别与放卷单元、收料单元和薄膜处理单元信号连接,用于控制放卷单元、收料单元和薄膜处理单元协同工作,以使压印设备在连续卷材上实现微纳级高精密多层图形的UV光转印。Referring to Fig. 2, the embossing equipment provided in this embodiment includes an unwinding unit, a rewinding unit, a film processing unit and a controller, the unwinding unit is used to drive the film tape 100 to be conveyed to the embossing assembly, and the rewinding unit is used to receive The film strip 100 from the embossing assembly, the film processing unit is used to emboss the film strip 100 sent from the unwinding unit to the receiving unit, and the embossing process includes alignment detection, gluing, embossing and light curing; control The controller is respectively connected with the unwinding unit, the rewinding unit and the film processing unit, and is used to control the unwinding unit, the rewinding unit and the film processing unit to work together, so that the imprinting equipment can achieve micro-nano level high precision on the continuous roll. UV light transfer printing of multi-layer graphics.
图1示出了压印设备传送及处理的薄膜带100的结构示意图,请参见图1,薄膜带100具有沿该薄膜带100的长度方向重复排列的第二图案110,第二图案110包括第二主体及第一对位标识101和第二对位标识102。在一个可能的实现方式中,第二主体的边缘为矩形,第二主体内阵列排布有微纳结构,第一对位标识101为设在第二主体外围的对位色标,第二对位标识102为设于第二主体内的对位靶标,两个对位靶标分别位于矩形的两个对角处。薄膜带100为透明薄膜,从薄膜带100的上下表面均能观测到第二图案110。薄膜带100的厚度范围为10um-500um。Fig. 1 shows a schematic view of the structure of a film strip 100 conveyed and processed by an embossing device, please refer to Fig. Two bodies and the first alignment mark 101 and the second alignment mark 102 . In a possible implementation, the edge of the second body is rectangular, and micro-nano structures are arranged in an array in the second body, the first alignment mark 101 is an alignment color mark set on the periphery of the second body, and the second pair The alignment mark 102 is an alignment target provided in the second body, and the two alignment targets are respectively located at two opposite corners of the rectangle. The film strip 100 is a transparent film, and the second pattern 110 can be observed from the upper and lower surfaces of the film strip 100 . The thickness of the film tape 100 ranges from 10um to 500um.
薄膜处理单元包括模具409、上胶装置和压印组件。模具409的顶面设有第一图案,第一图案的数量为一个或者多个,第一图案包括第一主体及第三对位标识,第三对位标识位于第一主体的对角。当模具上设有一个第一图案时,所述第一图案从模具409的头端417延伸至尾端418。当模具上设有多个第一图案时,所述第一图案沿所述模具的长度方向均匀间隔分布,并且模具上的多个第一图案与薄膜带上的第二图案位置一一对应,每个第一图案从模具409的头端417向尾端418排列。上胶装置用于在模具409和/或薄膜带100上形成胶层。压印组件包括对位调整装置、压辊和平移辊组405,压辊和平移辊组405能够在模具409的头端417与尾端418之间移动;平移辊组405从头端417移动到尾端418将所述薄膜带100张紧在所述模具409的一侧;对位调整装置用于调整模具409与薄膜带100之间的相对位置,以使模具409上的第一图案与薄膜带100上的第二图案110对位,并且在第一图案与第二图案110对位之后缩小模具409与薄膜带100之间的距离,以使薄膜带100、胶层和第一图案接触;压辊用于在薄膜带100、胶层和第一图案接触后挤压薄膜带100和胶层实现压印;平移辊组405用于在压辊压印后从模具409的尾端418向头端417移动实现揭膜。The film processing unit includes a mold 409, a gluing device and an embossing assembly. The top surface of the mold 409 is provided with a first pattern, the number of the first pattern is one or more, the first pattern includes the first body and the third alignment mark, and the third alignment mark is located at the opposite corner of the first body. When a first pattern is provided on the mold, the first pattern extends from the head end 417 to the tail end 418 of the mold 409 . When the mold is provided with multiple first patterns, the first patterns are evenly spaced along the length direction of the mold, and the multiple first patterns on the mold correspond to the positions of the second patterns on the film strip, Each first pattern is arranged from the head end 417 to the tail end 418 of the mold 409 . The glue applying device is used to form a glue layer on the mold 409 and/or the film strip 100 . The embossing assembly includes an alignment adjustment device, a pressure roller and a translation roller group 405, and the pressure roller and the translation roller group 405 can move between the head end 417 and the tail end 418 of the mold 409; the translation roller group 405 moves from the head end 417 to the tail End 418 tensions the film strip 100 on one side of the mold 409; the alignment adjustment device is used to adjust the relative position between the mold 409 and the film strip 100, so that the first pattern on the mold 409 is aligned with the film strip. The second pattern 110 on 100 is aligned, and after the alignment of the first pattern and the second pattern 110, the distance between the mold 409 and the film strip 100 is reduced, so that the film strip 100, the adhesive layer and the first pattern are in contact; The roller is used to squeeze the film strip 100 and the glue layer to realize embossing after the film strip 100, the glue layer and the first pattern contact; the translation roller group 405 is used to move from the tail end 418 of the mold 409 to the head end 417 moves to realize peeling off the film.
本实施例通过移动平移辊组405将薄膜带100张紧在模具409的一侧,使模具409上第一图案与薄膜带100上第二图案110初步对位,然后通过对位调整装置精确调整模具409与薄膜带100之间的相对位置,实现第一图案与第二图案110的精准对位,提高对位精度;之后缩小模具409与薄膜带100之间的距离,使薄膜带100、胶层和第一图案接触,然后利用压辊滚压薄膜带100,使薄膜带100、胶层和模具409紧密贴合,提高压印精度;揭膜时,平移辊组405反向移动,移动过程中薄膜带100与模具409之间的角度保持不变,故揭膜力度均匀,压印图案后的胶层更多的附着在薄膜带100上,能够减少或者避免胶层粘结在模具409上的现象。In this embodiment, the film strip 100 is tensioned on one side of the mold 409 by moving the translating roller group 405, so that the first pattern on the mold 409 is initially aligned with the second pattern 110 on the film strip 100, and then precisely adjusted by the alignment adjustment device The relative position between the mold 409 and the film strip 100 realizes the precise alignment of the first pattern and the second pattern 110, and improves the alignment accuracy; then narrows the distance between the mold 409 and the film strip 100, so that the film strip 100, glue The layer is in contact with the first pattern, and then the film strip 100 is rolled by a pressure roller, so that the film strip 100, the adhesive layer and the mold 409 are closely attached to improve the embossing accuracy; The angle between the film belt 100 and the mold 409 remains unchanged, so the peeling force is uniform, and the adhesive layer after embossing the pattern is more attached to the film belt 100, which can reduce or prevent the adhesive layer from sticking to the mold 409 The phenomenon.
在薄膜带100传送过程中以及第一图案与第二图案110对位调整的过程中,薄膜带100不能与模具409接触,避免薄膜带100、胶层和模具409之间摩擦导致胶层或薄膜带100损坏。因此,设置对位调整装置还用于在所述平移辊组405完成揭膜后,扩大所述模具409与所述薄膜带100之间的距离,以使所述薄膜带100在传送及对位过程中不与所述模具409接触。During the transfer process of the film strip 100 and the alignment adjustment process of the first pattern and the second pattern 110, the film strip 100 cannot be in contact with the mold 409, so as to avoid friction between the film strip 100, the adhesive layer and the mold 409 to cause the adhesive layer or film Take 100 damage. Therefore, setting the alignment adjustment device is also used to expand the distance between the mold 409 and the film belt 100 after the translation roller group 405 finishes peeling off the film, so that the film belt 100 is transported and aligned. No contact with the mold 409 during the process.
薄膜处理单元还包括第一检测装置411和第二检测装置414。第一检测装置411设于所述压印组件与所述收料单元之间,用于检测所述薄膜带100上的第二图案110的第一对位标识101。第二检测装置414设于所述模具定位平台410内和/或设于所述模具409的一侧,用于检测所述薄膜带100上的第二图案110的第二对位标识102和所述模具409上的第一图案的第三对位标识之间的对位偏差。控制器,用于在所述第一检测装置411检测到所述第一对位标识101时,控制所述放卷单元和所述收料单元停止薄膜带100传送,以及在所述平移辊组405完成揭膜后,控制所述放卷单元和所述收料单元恢复薄膜带100传送。第一检测装置411和第二检测装置414可以为相机。The thin film processing unit further includes a first detection device 411 and a second detection device 414 . The first detecting device 411 is arranged between the embossing assembly and the receiving unit for detecting the first alignment mark 101 of the second pattern 110 on the film tape 100 . The second detection device 414 is arranged in the mold positioning platform 410 and/or on one side of the mold 409, and is used to detect the second alignment mark 102 and the second pattern 110 on the film strip 100. The alignment deviation between the third alignment marks of the first pattern on the mold 409 is described above. The controller is used to control the unwinding unit and the receiving unit to stop the transmission of the film tape 100 when the first detection device 411 detects the first alignment mark 101, and to control the transfer of the film belt 100 in the translation roller group 405 After the film is peeled off, control the unwinding unit and the receiving unit to resume the transmission of the film tape 100 . The first detection device 411 and the second detection device 414 may be cameras.
在一种可能的实现方式中,平移辊组405与收料单元之间还设有牵引辊412,第一检测装置411设于平移辊组405与牵引辊412之间,用于对张紧在平移辊组405与牵引辊412之间的薄膜带100上的第一标识进行检测。牵引辊412可以由牵引动力装置驱动旋转,从而对薄膜带100位置进行微调,使薄膜带100上第一标识停留在预设位置,进而可以使薄膜带100上第二图案110与模具409上第一图案初步定位。牵引动力装置与控制器信号连接。In a possible implementation manner, a traction roller 412 is also provided between the translation roller set 405 and the receiving unit, and the first detection device 411 is arranged between the translation roller set 405 and the traction roller 412 to detect the The first mark on the film belt 100 between the translation roller set 405 and the traction roller 412 is detected. The traction roller 412 can be driven and rotated by the traction power device, thereby fine-tuning the position of the film strip 100, so that the first mark on the film strip 100 stays at the preset position, and then the second pattern 110 on the film strip 100 can be aligned with the first pattern 110 on the mold 409. 1. Preliminary positioning of the pattern. The traction power unit is signally connected to the controller.
薄膜处理单元还包括模具定位平台410,模具409设于所述模具定位平台410上,所述对位调整装置根据所述第二检测装置414检测的对位偏差驱动所述模具定位平台410运动,从而带动所述模具409移动。具体的,模具409可以作XYZ方向及θ角调整,第一图案与第二图案110对位调整过程中,对位调整装置驱动模具定位平台410作θ角调整,使模具409顶面与通过平移辊组405张紧的薄膜带100平行,然后驱动模具定位平台410作XY方向调整,使模具409上第一图案与薄膜带100上第二图案110在Z方向上重合对位,之后驱动模具定位平台410作Z向移动以使所述薄膜带100、所述胶层和所述第一图案接触。The film processing unit also includes a mold positioning platform 410, on which the mold 409 is arranged, and the alignment adjustment device drives the movement of the mold positioning platform 410 according to the alignment deviation detected by the second detection device 414, Thereby driving the mold 409 to move. Specifically, the mold 409 can be adjusted in the XYZ direction and the θ angle. During the alignment adjustment process of the first pattern and the second pattern 110, the alignment adjustment device drives the mold positioning platform 410 to adjust the θ angle, so that the top surface of the mold 409 is aligned with the The film belt 100 stretched by the roller group 405 is parallel, and then drives the mold positioning platform 410 to adjust the XY direction, so that the first pattern on the mold 409 and the second pattern 110 on the film belt 100 are aligned in the Z direction, and then drives the mold positioning The platform 410 moves in the Z direction to make the film tape 100 , the adhesive layer and the first pattern contact.
第二检测装置414可以设于模具409上方,第二检测装置414的检测部朝向模具409的第一图案,当平移辊组405移动将薄膜带100张紧在模具409上方时,第二检测装置414的检测部正对薄膜带100,由于薄膜带100透明,故能同时观测到薄膜带100上的第二图案110和模具409上的第一图案,从而能对第一图案与第二图案110进行对位检测,如图3所示。此外,当模具409为透明材质时,第二检测装置414还可以设于模具定位平台410内,第二检测装置414的检测部朝向模具409,由于模具409和薄膜带100均透明,故能同时观测到薄膜带100上的第二图案110和模具409上的第一图案,从而能对第一图案与第二图案110进行对位检测,如图2、图4和图5所示。第二检测装置414为相机,其数量可以为一个或者多个。The second detection device 414 can be arranged on the top of the mold 409, and the detection part of the second detection device 414 faces the first pattern of the mold 409. When the translation roller group 405 moves and the film strip 100 is tensioned above the mold 409, the second detection device The detecting portion of 414 faces the film strip 100, because the film strip 100 is transparent, so the second pattern 110 on the film strip 100 and the first pattern on the mold 409 can be observed simultaneously, thereby the first pattern and the second pattern 110 can be detected. Perform alignment detection, as shown in Figure 3. In addition, when the mold 409 is made of a transparent material, the second detection device 414 can also be arranged in the mold positioning platform 410, and the detection part of the second detection device 414 faces the mold 409. Since the mold 409 and the film belt 100 are all transparent, they can simultaneously The second pattern 110 on the film strip 100 and the first pattern on the mold 409 are observed, so that the alignment detection between the first pattern and the second pattern 110 can be performed, as shown in FIG. 2 , FIG. 4 and FIG. 5 . The second detection device 414 is a camera, the number of which may be one or more.
平移辊组405包括第一平移辊407和第二平移辊406,第二平移辊406位于第一平移辊407上方,使得穿过平移辊组405的薄膜带竖直于模具409表面,平移辊组405的初始位置位于头端417,工作位置位于尾端418,所述第一平移辊407始终位于所述模具409与所述第二平移辊406之间,张紧在所述第一平移辊407与所述导向辊403之间的薄膜带100与所述模具409的顶面平行。如此,模具409可只做XYZ方向的调整,而不必做θ角调整,减少第一图案与第二图案110的对位调整时间。压印组件还包括第一导轨和第一驱动器,所述第一导轨从所述模具409的头端417向所述尾端418延伸,所述第一驱动器与控制器信号连接,用于在第一检测装置411检测到第一对位标识101时,驱动所述第一平移辊407和所述第二平移辊406沿所述第一导轨由头端417移动至尾端418。The translating roller group 405 comprises the first translating roller 407 and the second translating roller 406, and the second translating roller 406 is positioned above the first translating roller 407, so that the film strip passing through the translating roller group 405 is vertical to the mold 409 surface, and the translating roller group The initial position of 405 is at the head end 417, and the working position is at the tail end 418. The first translation roller 407 is always located between the mold 409 and the second translation roller 406, and is tensioned between the first translation roller 407 The film belt 100 between the guide roller 403 is parallel to the top surface of the mold 409 . In this way, the mold 409 can only be adjusted in the XYZ direction without adjusting the θ angle, which reduces the alignment adjustment time between the first pattern and the second pattern 110 . The embossing assembly also includes a first guide rail and a first driver, the first guide rail extends from the head end 417 of the mold 409 to the tail end 418, the first driver is connected to the controller for signal When a detection device 411 detects the first alignment mark 101 , it drives the first translation roller 407 and the second translation roller 406 to move along the first guide rail from the head end 417 to the tail end 418 .
压辊压印后,薄膜带100、胶层与模具409保持接触状态,平移辊组405从模具409尾端418返回模具409头端417的过程中,第一平移辊407将薄膜带100抵接在模具409顶面,第一平移辊407和第二平移辊406同步运动,使张紧在第一平移辊407与第二平移辊406之间的薄膜带100与张紧在导向辊403与第一平移辊407之间的薄膜带100之间的角度保持不变,薄膜带100及胶层受到的拉扯力不变,因此胶层更容易粘接在薄膜带100上,能够有效减少和避免胶层残留在模具409上的情况,使揭膜更顺畅且完整度更高。After the pressing rollers are embossed, the film strip 100 and the adhesive layer are kept in contact with the mold 409. During the process of the translating roller group 405 returning from the tail end 418 of the mold 409 to the head end 417 of the mold 409, the first translating roller 407 abuts the film strip 100 On the top surface of the mold 409, the first translation roller 407 and the second translation roller 406 move synchronously, so that the film belt 100 stretched between the first translation roller 407 and the second translation roller 406 and the tension between the guide roller 403 and the second translation roller 406 The angle between the film strips 100 between the translation rollers 407 remains constant, and the pulling force received by the film strips 100 and the adhesive layer remains unchanged, so the adhesive layer is more easily bonded to the film strips 100, which can effectively reduce and avoid glue. The situation that the layer remains on the mold 409 makes the peeling off smoother and with higher integrity.
压印组件包含一个或者多个压辊。当所述压印组件包含一个压辊时,可以在压辊408远离所述模具尾端418的一侧设导向辊403,薄膜带依次穿过导向辊403、压辊408和第一平移辊407后向第二平移辊406传送,导向辊403保持不动,第一平移辊407移动使薄膜带张紧在模具的上方,压辊408由驱动器驱动使其在模具的头端与尾端之间移动实现压印。当所述压印组件包含多个压辊时,远离所述模具尾端的压辊可用于定位薄膜带,靠近所述模具尾端的多个压辊依次或者同步压印所述薄膜带100。压印组件还包括第二导轨和第二驱动器,第二导轨从所述模具409的头端417向所述尾端418延伸,所述第二驱动器与控制器信号连接,用于在第一图案与第二图案110对位后,驱动所述压辊沿所述第一导轨移动。当多个压辊被设置为同步滚压薄膜带100时,可以由同一第二驱动器驱动多个压辊移动;当多个压辊被设置为依次滚压薄膜带100时,可以配置多个第二驱动器分别控制每个压辊移动。压辊向薄膜带100施加一定压力使薄膜带100、胶层和模具409紧密贴合,同时在模具409的头端417和尾端418之间移动,可以赶走薄膜带100、胶层和模具409之间的气泡,使三者结合更紧密。The embossing assembly consists of one or more pressing rollers. When the embossing assembly includes a pressure roller, a guide roller 403 can be set on the side of the pressure roller 408 away from the tail end 418 of the mold, and the film belt passes through the guide roller 403, the pressure roller 408 and the first translation roller 407 in sequence Afterwards, it is sent to the second translation roller 406, the guide roller 403 remains stationary, the first translation roller 407 moves to make the film belt tensioned above the mould, and the pressing roller 408 is driven by a driver so that it is between the head end and the tail end of the mould. Move to achieve imprinting. When the embossing assembly includes multiple pressing rollers, the pressing rollers away from the tail end of the mold can be used to position the film tape, and the multiple pressing rollers near the tail end of the mold emboss the film tape 100 sequentially or synchronously. The embossing assembly also includes a second guide rail and a second driver, the second guide rail extends from the head end 417 of the mold 409 to the tail end 418, and the second driver is connected to the controller for signal After aligning with the second pattern 110, the pressure roller is driven to move along the first guide rail. When multiple pressure rollers are set to roll the film belt 100 synchronously, the same second driver can drive the multiple pressure rollers to move; The two drivers control the movement of each pressing roller respectively. The pressure roller applies a certain pressure to the film strip 100 to make the film strip 100, the adhesive layer and the mold 409 fit closely, and simultaneously moves between the head end 417 and the tail end 418 of the mold 409 to drive away the film strip 100, the adhesive layer and the mold The air bubbles between 409 make the three more closely combined.
在图2、图3和图5所示结构中,压辊包括一个压辊,即图中的第一压辊408,薄膜带通过导向辊403和第一平移辊407张紧在模具的一侧,此时导向管403不仅起到薄膜带导向的作用,还发挥压住薄膜带的一端以对薄膜带进行定位的作用。在图4所示的结构中,压辊包括两个压辊,即图中的第一压辊408和第二压辊415,第二压辊415压住薄膜带的一端,第一压辊408可以在模具409的头端417与尾端418之间移动,图4中的导向辊403主要起到薄膜带导向的作用,第二压辊415起到对薄膜带进行定位,防止第一压辊408移动过程中薄膜带在传送方向上发生位移。In the structure shown in Fig. 2, Fig. 3 and Fig. 5, the pressure roller comprises a pressure roller, namely the first pressure roller 408 in the figure, and the film belt is stretched on one side of the mold by the guide roller 403 and the first translation roller 407 At this time, the guide tube 403 not only plays the role of guiding the film tape, but also plays the role of pressing one end of the film tape to position the film tape. In the structure shown in Figure 4, the pressure roller comprises two pressure rollers, i.e. the first pressure roller 408 and the second pressure roller 415 in the figure, the second pressure roller 415 presses an end of the film tape, and the first pressure roller 408 It can move between the head end 417 and the tail end 418 of the mold 409. The guide roller 403 in FIG. 408 During the movement, the film belt is displaced in the conveying direction.
所述压印设备还包括固化组件,固化组件用于对薄膜带100上的由所述压辊压印后的胶层进行固化。The embossing device also includes a curing component, which is used to cure the adhesive layer on the film belt 100 after being embossed by the pressure roller.
在一种可能的实现方式中,所述固化组件包括固化光源404、第一移动导轨和第三驱动器,所述第一移动导轨从所述模具409的头端417向尾端418延伸,所述第三驱动器与控制器信号连接,用于在压辊完成压印后,驱动所述固化光源404沿所述第一移动导轨移动。固化光源404为紫外固化光源404,光源波长为325nm-440nm,具体实施时可以选择波长为365nm、395nm或405nm的LED固化光源404,也可以是汞灯,或者是无极灯。In a possible implementation, the curing assembly includes a curing light source 404, a first moving rail and a third driver, the first moving rail extends from the head end 417 to the tail end 418 of the mold 409, the The third driver is signal-connected with the controller, and is used to drive the curing light source 404 to move along the first moving guide rail after the pressing roller completes the embossing. The curing light source 404 is an ultraviolet curing light source 404, and the wavelength of the light source is 325nm-440nm. During specific implementation, an LED curing light source 404 with a wavelength of 365nm, 395nm or 405nm can be selected, or a mercury lamp or an electrodeless lamp.
如图2-3所示,上胶装置可以包括网纹辊402,通过转动所述网纹辊402对所述薄膜带100上胶。网纹辊402可以设在放卷单元与导向辊403之间。在如图2所示的结构中,放卷单元与导向辊403之间还设有张力辊401,网纹辊402设在张力辊401与导向辊403之间,张力辊401与导向辊403配合将薄膜带100均匀铺设在网纹辊402一侧,能够提高上胶的均匀度。As shown in FIGS. 2-3 , the gluing device may include an anilox roller 402 , and apply glue to the film belt 100 by rotating the anilox roller 402 . The anilox roller 402 may be arranged between the unwinding unit and the guide roller 403 . In the structure shown in Figure 2, a tension roller 401 is also provided between the unwinding unit and the guide roller 403, and the anilox roller 402 is arranged between the tension roller 401 and the guide roller 403, and the tension roller 401 cooperates with the guide roller 403. Evenly laying the film strip 100 on one side of the anilox roller 402 can improve the uniformity of gluing.
在另一种可能的实现方式中,所述上胶装置包括点胶头,所述点胶头可滑动的在所述薄膜带100上或者所述模具409的第一图案上点胶,其中,点胶头可以为自动控制或者手动控制。实现点胶头在所述薄膜带100上点胶,可以将点胶头设在放卷单元与导向辊403之间,实现点胶头在所述模具409上点胶,可以将点胶头416设在模具409顶面,如图5所示。In another possible implementation manner, the glue applying device includes a glue dispensing head, and the glue dispensing head can slidably dispense glue on the film belt 100 or on the first pattern of the mold 409, wherein, The dispensing head can be controlled automatically or manually. Realize glue dispensing head on described film strip 100 glue, can be arranged on glue dispensing head between unwinding unit and guide roller 403, realize dispensing head glue dispensing on described mold 409, can put glue dispensing head 416 Set on the top surface of the mold 409, as shown in FIG. 5 .
放卷单元包括放卷辊201、放卷驱动装置和张力传感器,放卷驱动装置和张力传感器与控制器信号连接。薄膜带100卷绕在放卷辊201上,放卷驱动装置用于驱动放卷辊201转动从而实现薄膜带100放卷,张力传感器设于放卷辊201与张力辊401之间,用于检测薄膜带100的张力值,放卷驱动装置根据张力传感器检测的张力值控制放卷辊201以恒张力放卷。The unwinding unit includes an unwinding roller 201, an unwinding driving device and a tension sensor, and the unwinding driving device and the tension sensor are connected to the controller with signals. The film tape 100 is wound on the unwinding roller 201, and the unwinding driving device is used to drive the unwinding roller 201 to rotate so as to realize the unwinding of the film tape 100. The tension sensor is arranged between the unwinding roller 201 and the tension roller 401 for detecting For the tension value of the film belt 100, the unwinding driving device controls the unwinding roller 201 to unwind with a constant tension according to the tension value detected by the tension sensor.
在一种可能的实现方式中,收料单元包括收料辊301和收卷驱动装置,收卷驱动装置与控制器信号连接。收料辊301用于收卷经压印处理后的薄膜带100,收卷驱动装置驱动收料辊301转动从而将薄膜带100卷绕在收料辊301上,如图2、图3和图5所示。在另一种可能的实现方式中,收料单元包括裁切装置302,裁切装置302用于对薄膜处理单元传送的薄膜带100进行裁切,如图4所示。In a possible implementation manner, the winding unit includes a winding roller 301 and a winding driving device, and the winding driving device is connected to the controller with a signal. The take-up roller 301 is used to wind up the embossed film strip 100, and the winding drive device drives the take-up roller 301 to rotate so that the film strip 100 is wound on the take-up roller 301, as shown in Fig. 2, Fig. 3 and Fig. 5. In another possible implementation manner, the receiving unit includes a cutting device 302 for cutting the film belt 100 delivered by the film processing unit, as shown in FIG. 4 .
本实施例还提供了一种压印方法,包括如下步骤:This embodiment also provides an embossing method, comprising the following steps:
S101、薄膜带100传送过程中,上胶装置在模具409的上表面和/或薄膜带100的下表面上形成胶层,所述模具409设有第一图案,所述第一图案从所述模具409的头端417延伸至尾端418,所述薄膜带100具有沿所述薄膜带100的长度方向重复排列的第二图案110;S101, during the conveying process of the film belt 100, the gluing device forms a glue layer on the upper surface of the mold 409 and/or the lower surface of the film belt 100, the mold 409 is provided with a first pattern, and the first pattern is obtained from the The head end 417 of the mold 409 extends to the tail end 418, and the film strip 100 has a second pattern 110 repeatedly arranged along the length direction of the film strip 100;
S102、平移辊组405从所述模具409的头端417移动至尾端418,使位于所述尾端418的平移辊组405与位于所述头端417的导向辊403将所述薄膜带100张紧在所述模具409的一侧;S102, the translation roller set 405 moves from the head end 417 of the mold 409 to the tail end 418, so that the translation roller set 405 at the tail end 418 and the guide roller 403 at the head end 417 move the film belt 100 Tensioning on one side of the mold 409;
S103、对位调整装置调整所述模具409与所述薄膜带100之间的相对位置,使所述模具409上的所述第一图案与所述薄膜带100上的所述第二图案110上下对位,并且在所述第一图案与所述第二图案110对位之后缩小所述模具409与所述薄膜带100之间的距离,以使所述薄膜带100、所述胶层和所述第一图案接触;S103, the alignment adjustment device adjusts the relative position between the mold 409 and the film belt 100, so that the first pattern on the mold 409 and the second pattern 110 on the film belt 100 are up and down alignment, and after the alignment of the first pattern and the second pattern 110, the distance between the mold 409 and the film tape 100 is reduced, so that the film tape 100, the adhesive layer and the the first pattern contact;
S104、压辊挤压所述薄膜带100和胶层实现压印;S104, pressing the film strip 100 and the adhesive layer to realize embossing by pressing rollers;
S105、所述平移辊组405从所述模具409的尾端418向头端417移动实现揭膜。S105 , the translation roller set 405 moves from the tail end 418 to the head end 417 of the mold 409 to realize peeling off.
步骤S102之前还可以包括:第一检测装置411检测薄膜带100上的第二图像的第一对位标识101;在所述第一检测装置411检测到所述第一对位标识101时,控制器控制所述放卷单元和所述收料单元停止薄膜带100传送。Before step S102, it may also include: the first detection device 411 detects the first alignment mark 101 of the second image on the film tape 100; when the first detection device 411 detects the first alignment mark 101, control The controller controls the unwinding unit and the receiving unit to stop the film belt 100 from being conveyed.
其中,步骤S103可以包括:第二检测装置414检测所述薄膜带100上的第二图案110的第二对位标识102和所述模具409上的第一图案的第三对位标识之间的对位偏差;对位调整装置根据第二检测装置414检测到的对位偏差,驱动所述模具定位平台410运动来带动所述模具409移动,实现模具409与所述薄膜带100之间相对位置的调整。Wherein, step S103 may include: the second detection device 414 detects the distance between the second alignment mark 102 of the second pattern 110 on the film strip 100 and the third alignment mark of the first pattern on the mold 409 Alignment deviation; the alignment adjustment device drives the mold positioning platform 410 to move to drive the mold 409 to move according to the alignment deviation detected by the second detection device 414, so as to realize the relative position between the mold 409 and the film belt 100 adjustment.
步骤S105之前,还包括固化组件对薄膜带100上的由所述压辊压印后的胶层进行固化。Before step S105, a curing component is also included to cure the adhesive layer on the film tape 100 after being embossed by the pressure roller.
进一步的,在步骤S105之后还包括:Further, after step S105, it also includes:
S106、对位调整装置调整所述模具409与所述薄膜带100之间的相对位置,扩大所述模具409与所述薄膜带100之间的距离,以使传送的薄膜带100不与所述模具409接触;S106. The alignment adjustment device adjusts the relative position between the mold 409 and the film belt 100, and expands the distance between the mold 409 and the film belt 100, so that the conveyed film belt 100 does not collide with the film belt 100. Mold 409 contacts;
S107、在所述平移辊组405完成揭膜后,控制器控制所述放卷单元和所述收料单元恢复薄膜带100传送。S107 , after the translating roller group 405 completes peeling off the film, the controller controls the unwinding unit and the receiving unit to resume the transmission of the film tape 100 .
关于所述压印方法的其他技术内容可以参考上述压印设备的相关描述,在此不重复叙述。For other technical contents of the imprinting method, reference may be made to the relevant description of the above-mentioned imprinting equipment, which will not be repeated here.
上述压印设备和压印方法可以用于立体悬空光场成像材料500制作。The above-mentioned imprinting equipment and imprinting method can be used to manufacture the three-dimensional suspended light field imaging material 500 .
如果制作的立体悬空光场成像材料500为透射式,则器件结构如图6所示,器件从上至下依次为微透镜阵列层502、基膜501和图文图形层503。基膜501厚度等于微透镜阵列聚焦长度。图文图形层503为凹槽型图文图形层503,图文图形层503内填充颜色油墨504。If the fabricated three-dimensional suspended light field imaging material 500 is transmissive, the structure of the device is shown in FIG. 6 . The device consists of a microlens array layer 502 , a base film 501 and a graphic layer 503 from top to bottom. The thickness of the base film 501 is equal to the focal length of the microlens array. The graphic layer 503 is a groove-shaped graphic layer 503 , and the graphic layer 503 is filled with color ink 504 .
该器件的一种制作工艺流程为:A manufacturing process of the device is as follows:
1)在薄膜带100上表面制备图文图形层503,图文图形层503为凹槽型微纳结构,在凹槽内填充颜色油墨504,凹槽的深度为1um~5um,图文图形层503包括连续排布的多个单元图形,每个单元图形中设有步进定位色标和薄膜带对位靶标。薄膜带100成卷材制备。1) Prepare a graphic layer 503 on the upper surface of the film tape 100. The graphic layer 503 is a groove-type micro-nano structure, and the color ink 504 is filled in the groove. The depth of the groove is 1um to 5um. The graphic layer 503 includes a plurality of unit graphics arranged continuously, and each unit graphic is provided with a stepping positioning color mark and a film belt alignment target. The film strip 100 is produced in rolls.
2)提供模具409,放置于模具定位平台410上方,模具409表面具有微透镜阵列。微透镜阵列口径在20um-100um之间,聚焦长度依据薄膜带100的厚度确定。2) Provide a mold 409, which is placed on the mold positioning platform 410, and the surface of the mold 409 has a microlens array. The aperture of the microlens array is between 20um-100um, and the focal length is determined according to the thickness of the film strip 100 .
3)在微透镜阵列模具的上表面或者薄膜带100的下表面进行精密上胶形成胶层。3) Carry out precision gluing on the upper surface of the microlens array mold or the lower surface of the film tape 100 to form a glue layer.
4)薄膜带100的第一个第一图案运行至微透镜阵列模具409正上方,色标定位相机检测到薄膜带100上的步进定位色标,薄膜带100停止传送。4) The first first pattern of the film belt 100 runs to the top of the microlens array mold 409, the color mark positioning camera detects the stepping positioning color mark on the film belt 100, and the film belt 100 stops conveying.
5)平移辊组405由头端417向尾端418移动,将薄膜带100张紧在模具409的上方。5) The translation roller set 405 moves from the head end 417 to the tail end 418 to tension the film strip 100 above the mold 409 .
5)靶标定位相机对薄膜带对位靶标和模具对位靶标进行精密定位识别。5) The target positioning camera performs precise positioning and identification of the film tape alignment target and the mold alignment target.
6)依据精密定位识别误差,通过模具定位平台调整微透镜阵列模具位置,直到靶标定位相机对两层图形的对位靶标识别误差在可接受的误差范围内,使微透镜阵列与图文图形层503的单元图形上的凹槽位置对应。6) According to the precision positioning recognition error, adjust the position of the microlens array mold through the mold positioning platform until the target positioning camera recognizes the alignment target error of the two-layer graphics within the acceptable error range, so that the microlens array and the graphic layer The position of the groove on the unit graph of 503 corresponds.
7)压辊对薄膜带100进行压印,固化组件对压印后的胶层进行固化。7) The pressure roller embosses the film strip 100, and the curing component cures the embossed adhesive layer.
8)平移辊组405反向移动,实现微透镜阵列模具与薄膜带100的脱模。8) The translating roller group 405 moves in reverse to realize the demoulding of the microlens array mold and the film belt 100 .
9)收料单元对成品进行收集,进行裁切或者卷绕收集。9) The receiving unit collects the finished products, cuts or winds and collects them.
该器件的另一种制作工艺流程为:Another manufacturing process flow of the device is:
1)在薄膜带100上表面层制备微透镜阵列层502,微透镜阵列口径20-100um之间,聚焦长度依据薄膜带100厚度而定,微透镜阵列层502包括连续排布的多个单元图形,每个单元图形中设有步进定位色标和薄膜带对位靶标。薄膜带100成卷材制备。1) Prepare a microlens array layer 502 on the upper surface layer of the film strip 100, the microlens array diameter is between 20-100um, the focal length depends on the thickness of the film strip 100, and the microlens array layer 502 includes a plurality of unit patterns arranged continuously , each unit graphic is equipped with a stepping positioning color mark and a film belt alignment target. The film strip 100 is produced in rolls.
2)依据微透镜阵列层502步进定位色标,把微透镜阵列层502第一个单元图形运行至图文图形模具正上方。2) According to the microlens array layer 502 step positioning color scale, run the first unit pattern of the microlens array layer 502 directly above the graphic pattern mold.
3)在图文图形模具上表面或者薄膜带100下表面进行精密上胶形成胶层。3) Carry out precision gluing on the upper surface of the graphic mold or the lower surface of the film tape 100 to form a glue layer.
4)靶标定位相机对图文图形模具对位靶标和薄膜带对位靶标进行精密定位识别。4) The target positioning camera performs precise positioning and recognition on the graphic mold alignment target and film tape alignment target.
5)依据精密定位识别误差,通过模具定位平台调整图文图形模具位置,直到靶标定位相机对两层图形的对位靶标识别误差在可接受的误差范围内,使图文图形模具上的图案与微透镜阵列层502的单元图形上的结构位置对应。5) According to the precise positioning and recognition error, adjust the position of the graphic and graphic mold through the mold positioning platform until the target positioning camera recognizes the alignment target error of the two-layer graphic within the acceptable error range, so that the pattern on the graphic and graphic mold is consistent with the The structural positions on the unit pattern of the microlens array layer 502 correspond to each other.
6)压辊对薄膜带100进行压印,固化组件对压印后的胶层进行固化。6) The pressure roller embosses the film tape 100, and the curing component cures the embossed adhesive layer.
7)平移辊组405反向移动,实现图文图形模具与薄膜带100的脱模。7) The translating roller group 405 moves in reverse to realize the demoulding of the graphic mold and the film belt 100 .
8)收料单元对成品进行收集,进行裁切或者卷绕收集。8) The receiving unit collects the finished products, cuts or winds and collects them.
注意,上述仅为本实用新型的较佳实施例及所运用技术原理。本领域技术人员会理解,本实用新型不限于这里的特定实施例,对本领域技术人员来说能够进行各种明显的变化、重新调整和替代而不会脱离本实用新型的保护范围。因此,虽然通过以上实施例对本实用新型进行了较为详细的说明,但是本实用新型不仅仅限于以上实施例,在不脱离本实用新型构思的情况下,还可以包括更多其他等效实施例,而本实用新型的范围由所附的权利要求范围决定。Note that the above are only preferred embodiments of the present invention and the applied technical principles. Those skilled in the art will understand that the utility model is not limited to the specific embodiments here, and various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the utility model. Therefore, although the utility model has been described in detail through the above embodiments, the utility model is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the utility model. The scope of the present invention is determined by the appended claims.
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