WO2023123588A1 - 用于太阳能封装膜的履带式传输装置 - Google Patents

用于太阳能封装膜的履带式传输装置 Download PDF

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Publication number
WO2023123588A1
WO2023123588A1 PCT/CN2022/073550 CN2022073550W WO2023123588A1 WO 2023123588 A1 WO2023123588 A1 WO 2023123588A1 CN 2022073550 W CN2022073550 W CN 2022073550W WO 2023123588 A1 WO2023123588 A1 WO 2023123588A1
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WO
WIPO (PCT)
Prior art keywords
crawler
frame
transmission shaft
transmission device
solar
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PCT/CN2022/073550
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English (en)
French (fr)
Inventor
辛文胜
孙锋林
李碧莲
于青
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苏州金韦尔机械有限公司
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Publication of WO2023123588A1 publication Critical patent/WO2023123588A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/06—Advancing webs by friction band
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web

Definitions

  • the invention relates to the field of solar encapsulation film production and manufacturing, in particular to a crawler conveyor for transporting solar encapsulation films.
  • Solar encapsulation film is a kind of low-tension EVA film, because of its characteristics of transparency, softness, hot-melt adhesiveness, low melting temperature and good melt fluidity, it meets the requirements of solar cell encapsulation materials and is widely used in the field of solar energy .
  • the present invention provides a crawler conveyor for solar encapsulation film.
  • a crawler conveyor for solar encapsulation films comprising: a frame extending along the front and rear directions; a drive motor mounted on the frame; crawlers, Extending along the front-to-back direction; the first transmission shaft and the second transmission shaft are arranged opposite to each other, the first transmission shaft and the second transmission shaft can be rotatably connected to the frame and connected to the Said crawler transmission connection, said driving motor is connected to said second transmission shaft to drive said crawler belt; heat preservation cover is detachably connected or fixedly connected to the upper side of said frame; and, guide shaft, The guide shaft is rotatably connected to the front of the frame and located on the upper side of the track, and a channel through which the solar encapsulation film can pass is formed between the guide shaft and the track.
  • the lower part of the frame is provided with a motor base and an adjustment pull rod movably connected to the motor base, the driving motor is installed on the motor base, and the adjustment The pull rod is located at the lower side of the motor base and can adjust the height of the motor base.
  • the drive motor is a variable frequency motor.
  • the crawler-type transmission device further includes a pair of left and right macro-adjusters oppositely arranged, and the micro-distance adjusters include an adjustment seat fixedly connected to the frame and a
  • the adjustable block is movably connected to the movable block, and a pair of the movable blocks are fixedly connected to the head and tail ends of the first transmission shaft and can drive the first transmission shaft to move forward and backward.
  • the heat preservation cover is spliced by a plurality of heat preservation sheets
  • the heat preservation sheets include a magnetic frame forming an outer edge, and the heat preservation sheets pass through each other. Magnetic force stays connected and relatively secure.
  • the heat insulation sheet further includes heat insulation glass filled in the magnetic frame.
  • the surface of the thermal insulation cover close to the track is coated with an thermal insulation layer.
  • the middle part of the heat preservation cover bulges upwards.
  • the crawler transmission device further includes a guide shaft, the guide shaft is rotatably connected to the front of the frame and located on the upper side of the crawler.
  • the track is made of aluminum alloy profiles.
  • the crawler-type transmission device transmits the solar encapsulation film through the crawler belt, thereby avoiding a large pulling force on the solar encapsulation film during the transmission process and maintaining the surface tension of the solar encapsulation film at a low level.
  • the heat preservation cover is used to insulate the solar energy encapsulation film to prevent the solar energy encapsulation film from being distorted and deformed due to rapid surface tension changes due to excessive cooling.
  • FIG. 1 is a schematic perspective view of the three-dimensional structure of the crawler conveyor provided by the present invention.
  • FIG. 2 is a second perspective view of the crawler-type transmission device shown in FIG. 1 , where part of the heat preservation cover is not shown in the figure.
  • Fig. 3 is a side view of the crawler-type transmission device shown in Fig. 1 , wherein some racks are not shown in the figure.
  • Fig. 4 is a three-dimensional structural view of the first transmission shaft and guide shaft provided by the present invention.
  • Fig. 5 is a perspective structural view of the second transmission shaft provided by the present invention.
  • connection should be understood in a broad sense, for example, “connection” can be a fixed connection, a detachable connection, or an integral body; it can be a direct connection, or It can be connected indirectly through an intermediary.
  • Fig. 1 shows the crawler type conveying device 100 provided by the present invention
  • the crawler type conveying device 100 is suitable for conveying the solar energy encapsulation film with lower surface tension, avoids the low solar energy encapsulation film to be stretched or should be cooled too much in the process of conveying Fast and deformed.
  • the crawler type transmission device 100 includes a frame 1 supported on the ground, a driving motor 2 mounted on the frame 1, a first transmission shaft 3 and a second transmission shaft 4 oppositely arranged front and back, for transmitting solar energy
  • the first transmission shaft 3 and the second transmission shaft 4 are rotatably connected to the front and rear of the frame 1 respectively, and the driving motor 2 is connected to the second transmission shaft 4 through a transmission chain (not shown in the figure).
  • the crawler belt 5 has a pair of crawler belt transmission chains (not shown in the figure) arranged opposite to each other on the left and right, for the transmission connection of the external transmission device.
  • the frame 1 includes a motor base 11 for the drive motor 2 to be installed on, several feet 13 supported on the ground, and a pair of side plates 15 fixedly connected to the upper sides of the several feet 13 .
  • the motor base 11 is movably connected with an adjustment pull rod 12, and the adjustment pull rod 12 is used to adjust the height of the motor base 11 relative to the ground, so as to ensure that the transmission chain between the drive motor 2 and the second transmission shaft 4 remains in a tensioned state.
  • a plurality of legs 13 are fixedly connected to each other through a beam 14 to enhance the stability of the frame 1 .
  • the pair of side plates 15 extend in the front-rear direction, and the crawler belt 5 also extends in the front-rear direction and is located inside the pair of side plates 15 . Among them, the crawler belt 5 is processed by aluminum alloy profiles, and has ultra-light characteristics.
  • the second transmission shaft 4 includes an axially extending second shaft body 41, a pair of track drive teeth 42 fixedly connected to the head and tail ends of the second shaft body 41, and a track drive tooth 42 located outside one of the track drive teeth 42.
  • Motor drive gear 43 The motor transmission gear 43 is connected to the driving motor 2 through a transmission chain, so that the driving belt motor 2 can drive the entire second transmission shaft 4 to rotate.
  • a pair of caterpillar gears 42 are arranged opposite to each other and meshed with the caterpillar transmission chain of the crawler belt 5 to drive the crawler belt 5 to rotate.
  • the first transmission shaft 3 includes an axially extending first shaft body 31 and a pair of driven teeth 32 fixedly connected to both ends of the first shaft body 31 .
  • a pair of driven teeth 32 are arranged opposite to each other and meshed with a pair of crawler belt transmission chains of the crawler belt 5 , and the first transmission shaft 3 is driven by the crawler belt 5 .
  • the crawler transmission device 100 is also arranged with a pair of micro-pitch adjusters 33 located outside the pair of driven teeth 32.
  • the macro-pitch adjusters 33 include an adjustment seat 34 fixedly connected with the frame 1 and a movable block movably connected with the adjustment seat 34. 35.
  • the head and tail ends of the first shaft body 31 are fixedly connected to a pair of movable blocks 35, and the movable block 35 and the adjustment seat 34 are connected through a bolt transmission, and the front and rear positions of the first shaft body 31 can be adjusted. This enables the first transmission shaft 3 and the second transmission shaft 4 to tension the crawler belt 5 from the inside.
  • the front portion of the crawler conveyor 100 is also provided with a guide shaft 7, the guide shaft 7 is rotatably connected to the frame 1 and positioned on the upper side of the crawler belt 5, the guide shaft 7 is used to guide the solar encapsulation film close to the crawler belt 5, the guide shaft 7 A channel through which the solar encapsulation film can pass is formed between the track and the track.
  • the crawler conveyor 100 When the crawler conveyor 100 is working, the solar encapsulation film passes through the crawler conveyor 100 from front to back, and the crawler 5 transmits the solar encapsulation film forward through the static friction formed between itself and the solar encapsulation film.
  • the heat preservation cover 6 is spliced by a plurality of heat preservation sheets 61.
  • the heat preservation sheets 61 include a magnetic frame 62 forming an outer edge and heat insulating glass 63 filled in the magnetic frame 62.
  • Each heat preservation sheet 61 is magnetically connected and Keeping it relatively fixed, this setting can be used by the staff to splice insulation covers of corresponding length and shape according to actual needs.
  • the middle part of the heat preservation cover 6 bulges upwards and covers the entire crawler belt 5 from the upper part, reducing the external heat radiation and heat convection of the solar packaging film, reducing the cooling speed of the solar packaging film, and avoiding the distortion and deformation caused by the rapid change of the surface tension of the solar packaging film .
  • the following table gives the surface tension of solar encapsulation film at each temperature for reference.
  • a layer of insulation layer can also be covered on the side surface of the heat preservation cover 6 close to the track 5 to further reduce the cooling rate of the solar encapsulation film on the track 5 and prevent distortion caused by excessive cooling.

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  • Photovoltaic Devices (AREA)
  • Basic Packing Technique (AREA)

Abstract

一种用于太阳能封装膜的履带式传输装置，包括：机架（1），沿前后方向延伸；驱动电机（2），安装于机架（1）上；履带（5），沿着前后方向延伸；前后相对设置的第一传动轴（3）与第二传动轴（4），第一传动轴（3）与第二传动轴（4）均可转动地连接于机架（1）上并且与履带（5）传动连接，驱动电机（2）传动连接第二传动轴（4），以带动履带（5）；保温罩（6），可拆卸连接或固定连接于机架（1）的上侧；导向轴（7），导向轴（7）可转动地连接于机架（1）的前部并位于履带（2）的上侧，导向轴（7）与履带（2）之间形成可供太阳能封装膜穿过的通道。该装置能够使太阳能封装膜在传输过程中保持较低张力水平，以及避免太阳能封装膜因冷却过快而导致表面张力快速变化，进而发生膜片扭曲变形的情况。

Description

用于太阳能封装膜的履带式传输装置 技术领域
本发明涉及太阳能封装膜生产制造领域，尤其是一种用于传输太阳能封装膜的履带式传输装置。
 背景技术
太阳能封装膜为一种低张力EVA薄膜，因其透明、柔软、热熔粘接性、熔融温度低和熔体流动性好等特点，满足了太阳能电池封装材料的要求，广泛地应用于太阳能领域。
太阳能封装膜在传输的过程中需要保证膜的表面张力维持在较低水平，使得薄膜制品不产生变形弯曲，并且只有在低张力状态下收卷才有能获得合格的薄膜制品。现有技术中的大部分薄膜传输装置因其在传输薄膜的过程中会对薄膜产生较大的拉力，不适用于太阳能封装膜。此外，若太阳能封装膜在传输的过程中冷却过快，则会因表面张力变化快而造成扭曲变形。因而，设计一款适于太阳能封装膜的传输装置成为该领域技术人员亟需解决的技术问题。
 为了解决上述的太阳能封装膜在传输的过程中需要保证膜的表面张力维持在较低水平以及防止薄膜冷却过快的相关技术问题，本发明提供一种用于太阳能封装膜的履带式传输装置。
为了达到上述的目的，本发明提供以下技术方案：一种用于太阳能封装膜的履带式传输装置，包括：机架，沿前后方向延伸；驱动电机，安装于所述的机架上；履带，沿着前后方向延伸；前后相对设置的第一传动轴与第二传动轴，所述的第一传动轴与所述的第二传动轴均可转动地连接于所述的机架上并且与所述履带传动连接，所述的驱动电机传动连接所述的第二传动轴，以带动所述的履带；保温罩，可拆卸连接或固定连接于所述机架的上侧；以及，导向轴，所述的导向轴可转动地连接于所述机架的前部并位于所述履带的上侧，所述的导向轴与履带之间形成可供太阳能封装膜穿过的通道。
在上述的技术方案中，优选地，所述机架的下部设置有电机座与活动连接于所述电机座的调节拉杆，所述的驱动电机安装于所述的电机座上，所述的调节拉杆位于所述电机座的下侧并能够调节所述电机座的高度。
在上述的技术方案中，优选地，所述的驱动电机为一变频电机。
在上述的技术方案中，优选地，所述的履带式传输装置还包括一对左右相对设置的微距调节器，所述的微距调节器包括固定连接于所述机架的调节座以及与所述调节座活动连接的活动块，一对所述的活动块固定连接所述第一传动轴的头尾两个端部并且能够带动所述的第一传动轴沿前后方向移动。
在上述的技术方案中，优选地，所述的保温罩由多片保温片板拼接而成，所述的保温片板包括形成外边缘的磁性框架，各所述的保温片板彼此之间通过磁力保持连接以及相对固定。还可以进一步优选地，所述的保温片板还包括填充于所述磁性框架内的保温玻璃。
在上述的技术方案中，优选地，所述保温罩靠近所述履带的一侧表面上涂有保温层。
在上述的技术方案中，优选地，所述保温罩的中部向上隆起。
在上述的技术方案中，优选地，所述的履带式传输装置还包括导向轴，所述的导向轴可转动地连接于所述机架的前部并位于所述履带的上侧。
在上述的技术方案中，优选地，所述的履带由铝合金型材制成。
本发明所提供的履带式传输装置通过履带来传输太阳能封装膜，从而避免了传输过程中对太阳能封装膜造成较大的拉力，维持太阳能封装膜的表面张力处于较低水平。与此同时，通过保温罩对太阳能封装膜进行保温，防止太阳能封装膜因冷却过快而应表面张力变化过快，从而发生扭曲变形的情况。
 技术问题
图1为本发明所提供的履带式传输装置的立体结构示意图。
图2为图1所述的履带式传输装置的立体结构示意图二，其中，图中部分保温罩未被示出。
图3为图1所述的履带式传输装置的侧视图，其中，图中部分机架未被示出。
图4为本发明所提供的第一传动轴与导向轴的立体结构视图。
图5为本发明所提供的第二传动轴的立体结构视图。
图中标记：100、履带式传输装置；1、机架；11、电机座；12、调节拉杆；13、支脚；14、横梁；15、侧板；2、驱动电机；3、第一传动轴；31、第一轴体；32、被动齿；33、微距调节器；34、调节座；35、活动块；4、第二传动轴；41、第二轴体；42、履带传动齿；43、电机传动齿；5、履带；6、保温罩；61、保温片板；62、磁性框架；63、保温玻璃；7、导向轴。
 技术解决方案
为详细说明发明的技术内容、构造特征、所达成目的及功效，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。在下面的描述中，出于解释的目的，阐述了许多具体细节以提供对发明的各种示例性实施例或实施方式的详细说明。然而，各种示例性实施例也可以在没有这些具体细节或者在一个或更多个等同布置的情况下实施。此外，各种示例性实施例可以不同，但不必是排他的。例如，在不脱离发明构思的情况下，可以在另一示例性实施例中使用或实现示例性实施例的具体形状、构造和特性。
此外，本申请中，诸如“在……之下”、“在……下方”、“在……下”、 “下”、“在……上方”、“上”、“在……之上”、“较高的”、“侧”(例如，如在“侧壁”中)等的空间相对术语，由此来描述如附图中示出的一个元件与另一(其它)元件的关系。空间相对术语意图包括设备在使用、操作和/或制造中除了附图中描绘的方位之外的不同方位。例如，如果附图中的设备被翻转，则被描述为“在”其它元件或特征“下方”或“之下”的元件随后将被 定位为“在”所述其它元件或特征“上方”。因此，示例性术语“在……下方”可以包括上方和下方两种方位。此外，设备可以被另外定位(例如，旋转90度或者在其它方位处)，如此，相应 地解释在此使用的空间相对描述语。
在本申请中，除非另有明确的规定和限定，术语“连接”应做广义理解，例如，“连接”可以是固定连接，也可以是可拆卸连接，或成一体；可以是直接相连，也可以通过中间媒介间接相连。
图1示出了本发明所提供的履带式传输装置100，履带式传输装置100适于传输表面张力较低的太阳能封装膜，避免低太阳能封装膜在传输的过程中受到拉伸或应冷却过快而产生变形。
结合图2，履带式传输装置100包括支撑在地面上的机架1、安装于机架1上的驱动电机2、前后相对设置的第一传动轴3与第二传动轴4、用于传输太阳能封装膜的履带5以及架设在机架1上的保温罩6。其中，第一传动轴3与第二传动轴4分别可转动地连接于机架1的前部与后部，驱动电机2通过传动链条（图中未标示出）与第二传动轴4传动连接，履带5具有左右相对设置的一对履带传动链（图中未标示出），以供外部的传动装置传动连接。
机架1包括供驱动电机2安装的电机座11、支撑在地面上的若干支脚13以及固定连接于若干支脚13上侧的一对侧板15。电机座11活动连接有调节拉杆12，调节拉杆12用于调节电机座11的对地高度，从而保证驱动电机2与第二传动轴4之间的传动链条保持张紧状态。若干支脚13同过一横梁14相互固定连接，以增强机架1的稳定性。一对侧板15沿着前后方向延伸，履带5同样沿着前后方向延伸并位于一对侧板15的内侧。其中，履带5由铝合金型材加工而成，具有超轻特性。
参阅图3-4，第二传动轴4包括轴向延伸的第二轴体41、固定连接于第二轴体41头尾两端的一对履带传动齿42以及位于其中一个履带传动齿42外侧的电机传动齿43。电机传动齿43通过传动链条与驱动电机2传动连接，从而使得驱动带电机2能够带动整个第二传动轴4转动。当第二传动轴4安装于机架1时，一对履带传动齿42左右相对地布置并同时与履带5的履带传动链相啮合，以带动履带5转动。
结合图5，第一传动轴3包括轴向延伸的第一轴体31和固定连接于第一轴体31头尾两端的一对被动齿32。第一传动轴3安装于机架1上时，一对被动齿32左右相对地布置并且与履带5的一对履带传动链相啮合，第一传动轴3由履带5带动。
履带式传输装置100还布置有位于一对被动齿32外侧的一对微距调节器33，微距调节器33包括与机架1固定连接的调节座34以及与调节座34活动连接的活动块35，第一轴体31的头尾两个端部固定连接在一对活动块35上，活动块35与调节座34之间通过螺栓传动连接，并能够调节第一轴体31的前后位置，使得第一传动轴3与第二传动轴4能够从内侧张紧履带5。
履带式传输装置100的前部还设置有导向轴7，导向轴7可转动地连接于机架1上并位于履带5的上侧，导向轴7用于引导太阳能封装膜贴近履带5，导向轴与履带之间形成可供太阳能封装膜穿过的通道。履带式传输装置100工作时，太阳能封装膜自前向后地穿过履带式传输装置100，履带5通过自身与太阳能封装膜形成的静摩擦力向前传输太阳能封装膜。
保温罩6由多片保温片板61拼接而成，保温片板61包括形成外边缘的磁性框架62与填充于磁性框架62内的保温玻璃63，各个保温片板61彼此之间通过磁力连接并保持相对固定，该设置可供工作人员根据实际需要拼接相应长度与形状的保温罩。保温罩6中部向上隆起并从上部包覆整个履带5，减少太阳能封装膜对外的热辐射与热对流，降低太阳能封装膜应冷却速度，避免造成太阳能封装膜应表面张力变化过快而造成扭曲变形。下表给出了太阳能封装膜处于各温度时的表面张力以供参考。
表1太阳能封装膜表面张力与温度关系
制品张力N/m 37.5 34.2 31.7 28.8 24.8 19.4 15.6 13.5 11.6 10.3
制品表面温度℃ 40 37.5 34.5 32.1 31.5 30.6 28.1 26.7 25.6 24.6
更进一步地，还可以在保温罩6靠近履带5的一侧表面上覆盖一层保温层，以进一步降低履带5上太阳能封装膜的冷却速度，防止出现因冷却过快而造成扭曲变形的情况。
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，本发明要求保护范围由所附的权利要求书、说明书及其等效物界定。
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Claims (9)

  1. 一种用于太阳能封装膜的履带式传输装置，其特征在于，包括：
    机架（1），沿前后方向延伸；
    驱动电机（2），安装于所述的机架（1）上；
    履带（5），沿着前后方向延伸；
    前后相对设置的第一传动轴（3）与第二传动轴（4），所述的第一传动轴（3）与所述的第二传动轴（4）均可转动地连接于所述的机架（1）上并且与所述履带（5）传动连接，所述的驱动电机（2）传动连接所述的第二传动轴（4），以带动所述的履带（5）；
    保温罩（6），可拆卸连接或固定连接于所述机架（1）的上侧；以及，
    导向轴（7），所述的导向轴（7）可转动地连接于所述机架（1）的前部并位于所述履带（2）的上侧，所述的导向轴（7）与履带（2）之间形成可供太阳能封装膜穿过的通道。
  2. 根据权利要求1所述的履带式传输装置，其特征在于，所述机架（1）的下部设置有电机座（11）与活动连接于所述电机座（11）的调节拉杆（12），所述的驱动电机（2）安装于所述的电机座（11）上，所述的调节拉杆（12）位于所述电机座（11）的下侧并能够调节所述电机座（11）的高度。
  3. 根据权利要求1所述的履带式传输装置，其特征在于，所述的驱动电机（2）为一变频电机。
  4. 根据权利要求1所述的履带式传输装置，其特征在于，还包括一对左右相对设置的微距调节器（33），所述的微距调节器（33）包括固定连接于所述机架（1）的调节座（35）以及与所述调节座（35）活动连接的活动块（35），一对所述的活动块（35）固定连接所述第一传动轴（3）的头尾两个端部并且能够带动所述的第一传动轴（3）沿前后方向移动。
  5. 根据权利要求1所述的履带式传输装置，其特征在于，所述的保温罩（6）由多片保温片板（61）拼接而成，所述的保温片板（61）包括形成外边缘的磁性框架（62），各所述的保温片板（61）彼此之间通过磁力保持连接以及相对固定。
  6. 根据权利要求5所述的履带式传输装置，其特征在于，所述的保温片板（61）还包括填充于所述磁性框架（62）内的保温玻璃。
  7. 根据权利要求1所述的履带式传输装置，其特征在于，所述保温罩（6）靠近所述履带（5）的一侧表面上涂有保温层。
  8. 根据权利要求1所述的履带式传输装置，其特征在于，所述保温罩（6）的中部向上隆起。
  9. 根据权利要求1所述的履带式传输装置，其特征在于，所述的履带（5）由铝合金型材制成。
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