WO2020001435A1 - 自动贴覆装置和背板裁切系统 - Google Patents

自动贴覆装置和背板裁切系统 Download PDF

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Publication number
WO2020001435A1
WO2020001435A1 PCT/CN2019/092798 CN2019092798W WO2020001435A1 WO 2020001435 A1 WO2020001435 A1 WO 2020001435A1 CN 2019092798 W CN2019092798 W CN 2019092798W WO 2020001435 A1 WO2020001435 A1 WO 2020001435A1
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Prior art keywords
hole
material layer
covering material
bending
plate
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PCT/CN2019/092798
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English (en)
French (fr)
Inventor
廖安文
马文军
张银库
潘二锋
徐日辉
徐建平
毛明俊
余希
Original Assignee
领凡新能源科技(北京)有限公司
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Publication of WO2020001435A1 publication Critical patent/WO2020001435A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/048—Encapsulation of modules
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/048—Encapsulation of modules
    • H01L31/049—Protective back sheets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present disclosure relates to the technical field of solar module manufacturing, and in particular, to an automatic pasting device and a backboard cutting system including the automatic pasting device.
  • single-glass photovoltaic modules use flexible backsheets to replace the glass backsheets in double-glass photovoltaic modules.
  • PET Polyethylene terephthalate
  • the module can be called a flexible photovoltaic module.
  • the front panel of a flexible photovoltaic module is generally curved glass. It is not suitable to lead out the leads from the front panel, so the leads need to be led out from the flexible backplane.
  • a lead wire for electrically connecting each solar cell group, which is composed of multiple solar strings in parallel
  • the edge of the Al foil layer in the flexible back plate is easily connected to the lead. Contact, there is a risk of leakage.
  • an insulating tape needs to be affixed to the square hole opened on the flexible backplane for insulation treatment.
  • an automatic application device including:
  • the covering mechanism is used to cut off the covering material layer on the through hole, and bend the two portions of the covering material layer formed after the cutting to cover the opposite side walls of the through hole.
  • Some embodiments of the present disclosure also provide a back panel cutting system, which includes a back panel tape attaching station.
  • the back panel tape attaching station is provided with the automatic applicator device as described above.
  • FIG. 1 is a schematic diagram of a to-be-adhered component having a through hole provided by an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of an application material layer on the surface of an object to be applied according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram before a die cutting mechanism according to an embodiment of the present disclosure cuts a coating material layer on a through hole;
  • FIG. 4 is a schematic diagram of a bending mechanism that has entered a ready-to-work state after a die cutting mechanism according to an embodiment of the present disclosure cuts a layer of a covering material on a through hole;
  • FIG. 5 is a schematic diagram of a bending mechanism according to an embodiment of the present disclosure, which enables the two portions of the covering material layer to be bent again along the second surface of the component to be covered;
  • FIG. 6 is a schematic diagram of a rolling flat mechanism moving in a direction of a through hole according to an embodiment of the present disclosure
  • FIG. 7 is a schematic diagram of the first flattening member and the second flattening member in the flattening mechanism provided in the embodiment of the present disclosure moving in opposite directions on the two parts of the covering material layer after being bent again;
  • FIG. 8 is a schematic structural diagram of a backplane cutting system according to an embodiment of the present disclosure.
  • an automatic application device which includes:
  • the covering mechanism is used for cutting the covering material layer 3 on the through hole 1, and bending the two parts of the covering material layer 3 formed after cutting to cover the opposite sidewalls of the through hole 1 respectively, and then covering each side wall of the through hole 1.
  • the second surface opposite to the first surface of the to-be-adhered piece 2.
  • the covering material layer can be adhered on the surfaces of both sides of the to-be-adhered component in and around the through hole by means of adhesive or electrostatic adsorption.
  • an adhesive layer needs to be provided on the pasting surface of the pasting material layer.
  • the covering material layer at least partially covers the through hole of the to-be-applied component and its surrounding surface by the covering mechanism, and then the covering material layer on the through hole is cut by the covering mechanism, and formed after cutting.
  • the positive and negative leads of the lead are led out from the through holes on the flexible backplane and lean against the side walls with the covering material layer, respectively, to avoid the edge of the Al foil layer in the flexible backplane easily contacting the leads, so there is Risk of leakage.
  • it improves the degree of automation can completely replace the manual work of the site, and saves labor costs.
  • due to the mechanism laying it is uniform and stable and high efficiency during the application.
  • the covering mechanism includes a die cutting mechanism 4 for impacting and cutting the covering material layer 3 on the through hole 1, and the two parts of the covering material layer 3 formed after the cutting are respectively along the opposite side walls of the through hole 1. Bending; a bending and covering mechanism for bending each of the two parts of the covering material layer 3 along the second surface of the to-be-applied part 2 opposite to the first surface, and applying the second On the surface.
  • the covering material layer on the through hole is impacted and cut by the die cutting mechanism, and the covering material layer cut into two parts is respectively bent along the opposite sidewall of the through hole, and then covered by bending
  • the mechanism bends and folds the two parts of the covering material layer along the second surface of the to-be-applied part and affixes to the second surface, that is, folding the covering material layer cut into two parts twice. Bend so that the two can cover the opposite side walls of the through hole more evenly.
  • the die cutting mechanism 4 includes a first driving mechanism and a first member 41;
  • the first member 41 is located on the side of the covering material layer 3 facing away from the through hole 1, and a surface of the first member 41 near the through hole 1 is provided with a cutter 411, and the cutter 411 may be disposed near the first member 41 The middle position of the first surface of the through hole 1;
  • the first driving mechanism is connected to the first member 41 and is used to drive the first member 41 to move in the direction of the through hole 1 to cut off the covering material layer 3 on the through hole 1 and drive the first member after cutting the covering material layer 3.
  • a component 41 continues to advance, so that the two parts of the covering material layer 3 formed after cutting are respectively bent along the opposite sidewalls of the through hole 1 under the pressing of the first component 41 and are respectively covered on the opposite sides of the through hole 1. On the sidewall.
  • the length of the first component (41) is smaller than the diameter of the through hole (1);
  • Guide surfaces are provided on both sides of the first member (41), and the guide surfaces are used to guide the first member (41) so that the first member (41) is inserted into the through hole (1).
  • the guide surface and the movement direction of the first member 41 inserted into the through hole 1 are disposed obliquely, so that the first member 41 is guided to be inserted into the through hole 1.
  • the first component is driven to move in the direction of the through hole by the first driving mechanism, so that the cutting material provided on the first component is used to impact and cut the covering material layer on the through hole, and the covering material layer can be quickly Cut into two parts.
  • the shape of the first component can be pressed downward to cut the covering material into two parts. Layer, so that the covering material layers cut into two parts are respectively bent along the opposite side walls of the through hole and are respectively covered on the opposite side walls of the through hole.
  • the die cutting mechanism 4 may further include a second member 42; the second member 42 is disposed opposite to the first member 41, and the two are respectively located on both sides of the covering material layer 3 on the through hole 1.
  • An anti-adhesive film layer is provided on the surface of the second member 42 and the first member 41.
  • the second member 42 is provided with a groove 422 corresponding to the position of the cutter, and the shape and size of the groove 422 match the cutter.
  • a second member opposite to the first member is provided, and a groove corresponding to the position, shape, and size of the cutter on the first member is provided on the second member, which is more conducive to the application.
  • the material layer is cut into two parts.
  • the second member is provided with an anti-adhesive film layer on the surface of the first member, the first member is pressed downward and cut into two parts of the covering material layer, and the covering material layer will not stick to the second component. To cover the through hole smoothly.
  • the die cutting mechanism 4 may further include a guide mechanism, and the first member 41 and the second member 42 are both provided on the guide mechanism; the guide mechanism is used to support and guide the first member 41 and the second member 42 to move in the direction of the through-hole 1 .
  • the guiding mechanism may be any existing structure that plays a guiding role.
  • the guiding mechanism may be a slide rail.
  • the first component 41 and the second component 42 are slidably connected to the slide rail. The moving directions of the first component 41 and the second component 42 can be guided, and the first component 41 and the second component 42 can be prevented from deviating from the preset motion trajectory.
  • the first component and the second component can be prevented from deviating from a preset motion trajectory.
  • the bending and covering mechanism includes: a bending mechanism 5 for bending the two parts of the covering material layer 3 after bending along the opposite side walls of the through hole 1 along the second surface of the member 2 to be covered again. Folding; rolling flat mechanism 6 for rolling the two parts of the covering material layer 3 that are bent again on the second surface of the to-be-applied part 2 so as to cover the two parts on the second surface of the to-be-applied part 2 on.
  • the two parts of the covering material layer are bent again along the second surface of the to-be-applied part by a bending mechanism, and the two parts of the covering material layer after being bent again are rolled by the rolling mechanism.
  • the second surface of the piece is rolled flat, so that the layer of the covering material is more evenly adhered to the second surface of the piece to be covered.
  • the bending mechanism (5) and the applying mechanism are respectively located on two sides of the to-be-applied piece (2).
  • the bending mechanism (5) includes a second driving mechanism and a first bending plate (51). 2.
  • the first bending plate (51) includes a first vertical plate (512) and a first inclined plate (511).
  • the first vertical plate (512) extends in a direction from a center line of the through hole (1).
  • a first inclined plate (511) is located on a side of the first vertical plate (512) away from the through hole (1), and the first inclined plate (511) is in a predetermined position relative to the first vertical plate (512); Setting an angle and connecting at the ends, the preset angle is an acute angle;
  • the second bending plate (52) includes a second vertical plate (522) and a second inclined plate (521), and the second vertical plate (522) extends in a direction from a center line of the through hole (1).
  • a second inclined plate (521) is located on a side of the second vertical plate (522) away from the through hole (1), and the second inclined plate (521) is in a predetermined position relative to the second vertical plate (522); Setting an angle and connecting at the ends, the preset angle is an acute angle;
  • the first bending plate 51 is disposed symmetrically with the second bending plate 52, and the first inclined plate 511 is disposed on a side of the first vertical plate 512 facing away from the second vertical plate 522, and the second inclined plate 521 is disposed on the second vertical plate. A side of the plate 522 facing away from the first vertical plate 512;
  • the second driving mechanism is respectively connected to the first bending plate 51 and the second bending plate 52, and is used to drive the two to move in the direction of the through hole 1 at the same time, until the two parts of the covering material layer (3 ) Are pushed by the first inclined plate (511) and the second inclined plate (521), and are respectively bent again along the second surface of the to-be-applied member (2).
  • the first bending plate and the second bending plate are driven to move in the direction of the through hole by the second driving mechanism, so that the first inclined plate on the top of the first vertical plate and the second inclined plate on the top of the second vertical plate are used.
  • the board bends the two parts of the covering material layer respectively along the second surface of the part to be covered, and has a simple structure and good bending effect.
  • the flattening mechanism (6) and the applicator mechanism are respectively located on both sides of the to-be-applied member (2), and the flattening mechanism (6) includes a third driving mechanism and a first flattening member ( 61), the second flattening piece (62);
  • the first flattening member 61 is provided with a first roller; the second flattening member 62 is provided with a second roller;
  • the third driving mechanism is respectively connected to the first flattening member 61 and the second flattening member 62, and is used to drive both of them to move in the direction of the through hole 1 until the first roller and the second roller are respectively re-bent with
  • the two parts of the covering material layer 3 are in contact with each other, and then the two are respectively driven to move in the opposite direction on the two parts of the covering material layer 3 after being bent again, until the first roller and the second roller are folded again.
  • the bent two-part covering material layer 3 is flattened and adhered to the second surface of the to-be-adhered part 2.
  • the first leveling member and the second leveling member are driven to move in the direction of the through hole by the third driving mechanism, so that the first roller at one end of the first leveling member and the second roller at one end of the second leveling member are used.
  • the rollers are used to laminate the two parts of the pasting material that are bent again and lay on the second surface of the part to be pasted. The structure is simple and the rolling effect is good.
  • the following uses the to-be-adhered component as a backing plate with through holes and the adhesive material layer as an insulating tape as an example, and describes the working process of the automatic application device in detail with reference to FIGS. 1-7:
  • the complete insulating tape is evenly applied to the opening of the back plate through the covering mechanism, and the two sides of the through hole appropriately extend beyond part of the tape.
  • the insulating tape directly above the through hole can also be appropriately raised, as shown in FIG. 2.
  • the tape is cut and bent downward by a die cutting mechanism. Specifically, the first part is driven by the first driving mechanism to cut the tape with a sharp knife in its center, and then the first part and the first part are driven by the first driving device.
  • the second component moves downward along the guide mechanism until the cut off two parts of the tape are bent down vertically, as shown in FIGS. 3 and 4. Keep the die cutting mechanism in a fixed position.
  • the first bending plate and the second bending plate in the bending mechanism below it are driven up by the second driving mechanism until the two parts of the tape bent vertically downward are bent again. Fold and close to the lower side of the back plate on each side of the hole, as shown in Figure 5.
  • the first flattening member and the second flattening member in the flattening mechanism are lifted by the third driving mechanism.
  • the rollers on the top of the two reach the position where the tape is applied to the lower side of the back plate, they are turned to the left and right of the hole Side horizontal movement, the remaining part of the tape is closely adhered to the back plate through two rollers, and the entire process of applying the back plate is completed, as shown in FIGS. 6 and 7.
  • the entire insulation tape application is fully automated, replacing manual labor.
  • the back plate cutting system includes a back plate cutting platform 7, a cutting machine 8, a back plate tape attaching station 9, and a back plate cutting platform 10.
  • the back sheet feeding platform 7 is used to convey the back sheet material in the form of a roll to the work platform of the cutting machine 8.
  • the cutting machine 8 is used to cut the raw materials of the backing plate conveyed from the backing platform 7 into a plurality of backing plates of a predetermined size, and process the preset size at a predetermined position on the backing plate formed by the cutting.
  • a through hole, and the through hole may be a square hole, so as to facilitate the application of an insulating tape.
  • the method of processing the through hole may be punching or cutting.
  • the back panel tape application workstation 9 is provided with the automatic application device in the foregoing embodiment.
  • the to-be-adhered member 2 is a back plate having a through hole
  • the topping material layer 3 may be an insulating tape.
  • the automatic application device can automatically apply insulating tape to the through holes of the backplane.
  • the backing plate blanking platform 10 is used to transport the backing plate after the insulating tape has been pasted to a downstream process.
  • the backsheet cutting system described in this embodiment addresses the problem of the need to manually apply insulating tape in the through-holes of the flexible backsheet when the existing flexible photovoltaic modules are laid. It can automatically apply insulating tape in the through holes of the flexible backplane, which can completely replace manual work, save manpower, improve production efficiency and single station beat, thereby eliminating the automatic production bottleneck of the entire production line and achieving flexible photovoltaic modules Higher automation of the production line improves economic efficiency and reduces labor costs.
  • the back plate cutting system may further include a gantry type mechanical device 11 (specifically, an existing gantry manipulator) for transferring the back plate with through holes.
  • a gantry type mechanical device 11 specifically, an existing gantry manipulator
  • the board is grasped and placed at a position corresponding to the automatic applicator device in the backboard applicator workstation 9, which is a position where the automatic applicator device can automatically apply insulating tape to the through hole of the backboard.
  • the attaching device can automatically apply insulating tape to the through holes of the backplane.
  • a gantry-type mechanical device 11 is used to grab a back plate with a through hole from the work platform of the cutting machine 8 and place it at a position corresponding to the automatic applicator device in the back plate tape work station 9.
  • a position sensor can also be provided in the backplane tape workstation 9 to detect the backplane passage. Whether the hole corresponds to the position of the automatic applicator. If not, the position of the back plate can be adjusted manually or automatically so that the through hole on the back plate corresponds to the position of the automatic sticking device.
  • a positioning member may be further provided in the back plate adhesive station 9 for positioning the back plate when the insulating tape is applied.
  • the entire back plate is conveyed to the work platform of the cutting machine 8 through the back plate feeding platform 7. Then, the whole back plate is cut into a plurality of back plates of a predetermined size by the cutting machine 8, and a square hole of a predetermined size is processed by a punching method at a preset position of the back plate formed by the cutting.
  • the gantry manipulator 11 grabs the working plate of the cutting machine 8 from the working platform of the cutting machine 8 and places it on the backing tape attaching station 9.
  • the position sensor in the backing tape applying station 9 is used to detect whether the through hole of the backing plate Corresponds to the position of the automatic applicator.
  • the position of the back plate can be adjusted manually or automatically so that the through hole on it corresponds to the position of the automatic applicator.
  • the punching confirmation is completed and reused.
  • the positioning member in the backplane tape work station 9 positions the backplane.
  • an automatic adhesive device is used to automatically apply insulating tape in the through holes of the backplane.
  • the back sheet after the insulating tape is pasted is conveyed to the downstream process through the back sheet blanking platform 10.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Photovoltaic Devices (AREA)
  • Laminated Bodies (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

一种自动贴覆装置，以及包括所述自动贴覆装置的背板裁切系统。所述自动贴覆装置包括：贴覆机构，用于将贴覆材料层（3）贴覆在设有通孔（1）的待贴覆件（2）第一表面上，且所述贴覆材料层（3）至少部分覆盖所述通孔（1）及其周围表面；包覆机构，用于切断所述通孔（1）上的所述贴覆材料层（3），并将切断后形成的两部分所述贴覆材料层（3）弯折以各自包覆所述通孔（1）的相对侧壁。该自动贴覆装置及背板裁切系统针对现有技术中柔性背板的通孔内需要人工贴绝缘胶带的问题，能自动地在柔性背板的通孔内贴绝缘胶带，从而解除了整条生产线的自动化生产瓶颈，实现了柔性光伏组件生产线的更高自动化，提高了经济效益，并降低了人力成本。

Description

自动贴覆装置和背板裁切系统
相关申请
本申请要求2018年6月28日申请的，申请号为201810687910.X，名称为“自动贴敷装置和背板裁切系统”的中国专利申请的优先权，在此将其全文引入作为参考。
技术领域
本公开涉及太阳能组件制作技术领域，具体涉及一种自动贴覆装置，以及包括所述自动贴覆装置的背板裁切系统。
背景技术
目前，单玻光伏组件采用柔性背板代替了双玻光伏组件中的玻璃背板，具体地，采用PET(Polyethylene terephthalate，聚対苯二甲酸乙酯)代替玻璃作为封装材料，因此，单玻光伏组件可称为柔性光伏组件，柔性光伏组件的前板一般为曲面玻璃，不适合从前板将引线引出，故而引线需从柔性背板引出。但是，引线(用于使各太阳能电池组相互电连接，所述太阳能电池组由多个太阳能串并联组成)从柔性背板上的穿孔引出时，柔性背板中的Al箔层边缘容易与引线接触，因而存在漏电风险。
为克服上述漏电问题，需在柔性背板上开设的方孔处贴绝缘胶带以进行绝缘处理。
发明内容
本公开的一些实施例提供了一种自动贴覆装置，包括：
贴覆机构，用于将贴覆材料层贴覆在设有通孔的待贴覆件第一表面上，且所述贴覆材料层至少部分覆盖所述通孔及其周围表面；
包覆机构，用于切断所述通孔上的所述贴覆材料层，并将切 断后形成的两部分所述贴覆材料层弯折以各自包覆所述通孔的相对侧壁后。
本公开的一些实施例还提供一种背板裁切系统，包括背板贴胶带工作站，所述背板贴胶带工作站内设置有如上所述的自动贴覆装置，所述待贴覆件为具有通孔的背板。
本公开的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本公开而了解。本公开的目的和其他优点可通过在说明书、权利要求书以及附图中所特别指出的结构来实现和获得。
附图说明
图1为本公开实施例提供的具有通孔的待贴覆件的示意图；
图2为本公开实施例提供的待贴覆件的表面上已贴覆了贴覆材料层的示意图；
图3为本公开实施例提供的冲模切割机构切割通孔上的贴覆材料层之前的示意图；
图4为本公开实施例提供的冲模切割机构切断通孔上的贴覆材料层之后、弯折机构已进入准备工作状态的示意图；
图5为本公开实施例提供的弯折机构使两部分贴覆材料层各自沿待贴覆件第二表面再次弯折的示意图；
图6为本公开实施例提供的滚平机构向通孔的方向运动的示意图；
图7为本公开实施例提供的滚平机构中的第一滚平件和第二滚平件在再次弯折后的两部分贴覆材料层上沿相反方向运动的示意图；
图8为本公开实施例提供的背板裁切系统的结构示意图。
图中：1－通孔；2－待贴覆件；3－贴覆材料层；4－冲模切割机构；41－第一部件；411－切刀；42－第二部件；422－凹槽；5－弯折机构；51－第一弯折板；511－第一斜板；512－第一竖板；52－第二弯折板；521－第二斜板；522－第二竖板；6－滚平机构； 61－第一滚平件；62－第二滚平件；7－背板上料平台；8－裁切机；9－背板贴胶带工作站；10－背板下料平台；11－龙门式机械设备。
具体实施方式
为使本领域技术人员更好地理解本公开的技术方案，下面结合附图和实施例对本公开作进一步详细描述。
作为本实施例的一方面，如图1-7所示，提供一种自动贴覆装置，其包括：
贴覆机构，用于将贴覆材料层3贴覆在设有通孔1的待贴覆件2第一表面上，且贴覆材料层3至少部分覆盖通孔1及其周围表面；
包覆机构，用于切断通孔1上的贴覆材料层3，并将切断后形成的两部分贴覆材料层3弯折以各自包覆通孔1的相对侧壁后，分别贴覆在待贴覆件2的与第一表面相对的第二表面上。
其中，贴覆材料层可通过胶粘或静电吸附的方式贴覆在通孔内及其周围的待贴覆件两侧表面。其中，如果贴覆材料层采用胶粘的方式进行贴覆，则贴覆材料层的贴覆面上需设置胶层。
本实施例中，通过贴覆机构将贴覆材料层至少部分覆盖在待贴覆件的通孔及其周围表面，再通过包覆机构切断通孔上的贴覆材料层，并将切断后形成的两部分贴覆材料层各自包覆通孔的相对侧壁后，分别贴覆在待贴覆件第二表面上，从而自动地将贴覆材料层贴覆在待贴覆件的通孔内，引线的正负极线从柔性背板上的通孔引出，分别低靠在附有贴覆材料层的侧壁上，避免了柔性背板中的Al箔层边缘容易与引线接触，因而存在漏电风险。相比于现有的人工贴覆方式，提高了自动化程度，可全面代替站点的人工，节省了人力成本。而且，由于采用机构敷设，贴覆时均匀稳定、效率高。
下面结合图3-7详细描述包覆机构的具体结构。
所述包覆机构包括：冲模切割机构4，用于冲击并切断通孔1 上的贴覆材料层3，以及使切断后形成的两部分贴覆材料层3分别沿通孔1的相对侧壁弯折；弯折包覆机构，用于使弯折后的两部分贴覆材料层3各自沿待贴覆件2的与第一表面相对的第二表面再次弯折，并贴覆在第二表面上。
本实施例中，通过冲模切割机构将通孔上的贴覆材料层冲击并切断，并使切断成两部分的贴覆材料层分别沿通孔的相对侧壁折弯，再通过弯折包覆机构将折弯后的两部分的贴覆材料层各自沿待贴覆件的第二表面再次折弯并贴覆在第二表面上，即对切断成两部分的贴覆材料层进行两次折弯，使二者能更加平坦地包覆通孔的相对侧壁。
具体地，冲模切割机构4包括第一驱动机构和第一部件41；
第一部件41位于贴覆材料层3的背离通孔1的一侧，且第一部件41的靠近通孔1的表面设置有切刀411，所述切刀411可设置在第一部件41靠近通孔1第一表面的中间位置处；
第一驱动机构与第一部件41连接，用于驱动第一部件41向通孔1的方向运动，以切断通孔1上的贴覆材料层3，并在切断贴覆材料层3后驱动第一部件41继续前进，以使切断后形成的两部分贴覆材料层3在第一部件41的挤压下分别沿通孔1的相对侧壁弯折，并分别贴覆在通孔1的相对侧壁上。
进一步的，所述第一部件(41)的长度小于所述通孔(1)的直径；
所述第一部件(41)的两侧设置有导向面，所述导向面用于导向所述第一部件(41)以使所述第一部件(41)插入所述通孔(1)。
导向面与第一部件41插入通孔1的运动方向倾斜设置，便于导向第一部件41插入通孔1。
本实施例中，通过第一驱动机构带动第一部件向通孔方向运动，从而利用第一部件上设置的切刀冲击并切割通孔上的贴覆材料层，能迅速地将贴覆材料层切断成两部分。而且，第一部件在第一驱动机构的带动下切断通孔上的贴覆材料层并运行至通孔中 后，能够利用第一部件本身的形状向下挤压切断成两部分的贴覆材料层，从而使切断成两部分的贴覆材料层分别沿通孔的相对侧壁弯折并分别贴覆在通孔的相对侧壁上。
此外，冲模切割机构4还可包括第二部件42；第二部件42与第一部件41相对设置，二者分别位于通孔1上的贴覆材料层3的两侧。第二部件42的与第一部件41的表面上设置有防粘膜层，第二部件42设置有与切刀的位置相对应的凹槽422、凹槽422形状和尺寸与切刀相匹配。
本实施例中，通过设置与第一部件相对的第二部件，且第二部件上设置有与第一部件上的切刀的位置、形状和尺寸分别对应的凹槽，更有利于将贴覆材料层切断成两部分。而且，由于第二部件相对于第一部件的表面上设置有防粘膜层，使得第一部件向下挤压切断成两部分的贴覆材料层时，贴覆材料层不会粘在第二部件上，从而能顺利地包覆在通孔上。
冲模切割机构4还可包括导向机构，第一部件41与第二部件42均设置在导向机构上；导向机构用于支撑和引导第一部件41和第二部件42沿进出通孔1的方向运动。
在一些可选的实施例中，导向机构可以为现有任意一种起到导向作用的结构，例如导向机构可以为滑轨，第一部件41和第二部件42与滑轨滑动连接，滑轨能够引导第一部件41和第二部件42运动方向，避免第一部件41和第二部件42偏离预设运动轨迹。
本实施例中，通过设置用于支撑和引导第一部件和第二部件的导向机构，能够避免第一部件和第二部件偏离预设运动轨迹。
具体地，弯折包覆机构包括：弯折机构5，用于使已沿通孔1的相对侧壁弯折后的两部分贴覆材料层3各自沿待贴覆件2第二表面再次弯折；滚平机构6，用于将再次弯折后的两部分贴覆材料层3在待贴覆件2第二表面上滚平，从而将二者贴覆在待贴覆件2第二表面上。
本实施例中，通过弯折机构将两部分贴覆材料层沿待贴覆件的第二表面再次弯折，以及通过滚平机构将再次弯折后的两部分 贴覆材料层在待贴覆件的第二表面滚平，从而使得贴覆材料层更平坦地贴覆在待贴覆件的第二表面上。
所述弯折机构(5)和所述贴覆机构分别位于所述待贴覆件(2)的两侧，弯折机构(5)包括：第二驱动机构、第一弯折板(51)、第二弯折板(52)；
所述第一弯折板(51)包括第一竖板(512)和第一斜板(511)，所述第一竖板(512)沿与所述通孔(1)的中心线方向延伸，第一斜板(511)位于所述第一竖板(512)的远离所述通孔(1)的一侧，所述第一斜板(511)相对第一竖板(512)成预设角度且在端部相接，所述预设角度为锐角；
所述第二弯折板(52)包括第二竖板(522)和第二斜板(521)，所述第二竖板(522)沿与所述通孔(1)的中心线方向延伸，第二斜板(521)位于所述第二竖板(522)的远离所述通孔(1)的一侧，所述第二斜板(521)相对第二竖板(522)成预设角度且在端部相接，所述预设角度为锐角；
第一弯折板51与第二弯折板52对称设置，且第一斜板511设置在第一竖板512的背离第二竖板522的一侧，第二斜板521设置在第二竖板522的背离第一竖板512的一侧；
第二驱动机构分别与第一弯折板51和第二弯折板52连接，用于同时驱动二者向通孔1的方向运动，直至弯折后的两部分所述贴覆材料层(3)被所述第一斜板(511)和所述第二斜板(521)推动，各自沿所述待贴覆件(2)的第二表面再次弯折。
本实施例中，通过第二驱动机构带动第一弯折板和第二弯折板向通孔方向运动，从而利用第一竖板顶部的第一斜板和第二竖板顶部的第二斜板分别将两部分贴覆材料层各自沿待贴覆件的第二表面再次弯折，结构简单、弯折效果好。
所述滚平机构(6)和所述贴覆机构分别位于所述待贴覆件(2)的两侧，所述滚平机构(6)包括：第三驱动机构、第一滚平件(61)、第二滚平件(62)；
第一滚平件61设置有第一滚轮；第二滚平件62设置有第二 滚轮；
第三驱动机构分别与第一滚平件61和第二滚平件62连接，用于同时驱动二者向通孔1的方向运动，直至第一滚轮和第二滚轮分别与再次弯折后的两部分贴覆材料层3的折弯处接触，然后再分别驱动二者在再次弯折后的两部分贴覆材料层3上沿相反方向运动，直至第一滚轮和第二滚轮分别将再次折弯后的两部分贴覆材料层3压平并贴覆在待贴覆件2第二表面上。
本实施例中，通过第三驱动机构带动第一滚平件和第二滚平件向通孔方向运动，从而利用第一滚平件一端的第一滚轮和第二滚平件一端的第二滚轮分别将再次折弯后的两部分贴覆材料层压平并贴覆在待贴覆件第二表面上，结构简单，滚平效果好。
下面以待贴覆件为具有通孔的背板、贴覆材料层为绝缘胶带为例，结合图1-7详细描述所述自动贴覆装置的工作过程：
通过贴覆机构将完整的绝缘胶带均匀贴覆在背板开孔处，通孔两侧适当超出部分胶带，可选的，通孔正上方的绝缘胶带也可以适当隆起，如图2所示。通过冲模切割机构将胶带切断并向下弯折，具体地，第一部件在第一驱动机构的带动下利用其中心的尖锐切刀先将胶带切断，再通过第一驱动装置带动第一部件和第二部件沿导向机构向下运动，直至将切断后的两部分胶带垂直向下弯折，如图3和图4所示。保持冲模切割机构位置固定，其下方的弯折机构中的第一弯折板和第二弯折板在第二驱动机构的带动下顶升，直至将垂直向下弯折的两部分胶带再次弯折且各自向孔两边背板下侧靠拢，如图5所示。滚平机构中的第一滚平件和第二滚平件在第三驱动机构的带动下顶升，待二者顶部的滚轮到达背板下侧贴胶带位置时，改为分别向孔左右两侧水平运动，通过两个滚轮将剩余部分胶带紧密贴覆在背板上，完成整个背板贴胶带过程，如图6和图7所示。整个绝缘胶带贴覆工作完全自动化完成，取代人工。
作为本实施例的另一方面，提供一种背板裁切系统。如图8 所示，所述背板裁切系统包括背板上料平台7、裁切机8、背板贴胶带工作站9和背板下料平台10。
背板上料平台7用于将卷筒料形式的背板原料输送至裁切机8的工作平台上。
裁切机8用于将背板上料平台7输送而来的背板原料裁切成多个预设尺寸的背板，并在裁切形成的背板上预设位置处加工预设尺寸的通孔，且该通孔可以为方孔，以便于粘贴绝缘胶带。其中，加工通孔的方式可以为冲孔或切孔。
背板贴胶带工作站9内设置有前述实施例中的自动贴覆装置。相应地，待贴覆件2为具有通孔的背板，贴覆材料层3可以为绝缘胶带。自动贴覆装置能够自动地在背板的通孔处贴绝缘胶带。
背板下料平台10用于将已贴完绝缘胶带的背板输送至下游工序。
本实施例所述背板裁切系统针对现有柔性光伏组件敷设时，其中柔性背板的通孔内需要人工贴绝缘胶带的问题，在背板贴胶带工作站中设置了前述自动贴覆装置，能自动地在柔性背板的通孔内贴绝缘胶带，可全面代替人工作业，节省人力，提高了生产效率和单站节拍，从而解除了整条生产线的自动化生产瓶颈，实现了柔性光伏组件生产线的更高自动化，提高了经济效益，并降低了人力成本。
为了将具有通孔的背板输送至背板贴胶带工作站，所述背板裁切系统还可包括龙门式机械设备11(具体可以为现有的龙门机械手)，用于将具有通孔的背板抓取并放置在背板贴胶带工作站9内与自动贴覆装置对应的位置处，该位置为自动贴覆装置能够自动地在背板的通孔处贴绝缘胶带的位置。贴覆装置就可以自动地在背板的通孔处贴绝缘胶带。
本实施例中，采用龙门式机械设备11将具有通孔的背板从裁切机8的工作平台抓取并放置在背板贴胶带工作站9内与自动贴覆装置对应的位置处，相比于现有的皮带传输的输送方式，一方面，可避免将加工通孔时产生的废料一并带入背板贴胶带工作站， 另一方面，抓取精度高，放置位置准确。
此外，为了确保被放置在背板贴胶带工作站9内的背板上的通孔与自动贴覆装置的位置对应，背板贴胶带工作站9内还可设置位置传感器，用于检测背板的通孔是否与自动贴覆装置的位置对应。如不对应，可采用人工或自动方式调整背板的位置，以使其上的通孔与自动贴覆装置的位置对应。
为了确保在背板的通孔内贴覆绝缘胶带时，背板的位置不会移动，背板贴胶带工作站9内还可设置定位件，用于在贴覆绝缘胶带时将背板定位。
下面结合图8详细描述所述背板裁切系统的工作过程。
先通过背板上料平台7将整片背板输送至裁切机8的工作平台上。再通过裁切机8将整片背板裁切成多个预设尺寸的背板，并在裁切形成的背板上预设位置处采用冲孔方式加工预设尺寸的方孔。冲孔完毕之后的背板由龙门机械手11从裁切机8的工作平台上抓取并放置到背板贴胶带工作站9，利用背板贴胶带工作站9内的位置传感器检测背板的通孔是否与自动贴覆装置的位置对应，如不对应，可采用人工或自动方式调整背板的位置，以使其上的通孔与自动贴覆装置的位置对应，此时完成冲孔确认，再利用背板贴胶带工作站9内的定位件将背板定位。然后通过自动贴覆装置自动地在背板的通孔内贴绝缘胶带。最后通过背板下料平台10将已贴完绝缘胶带的背板输送至下游工序。
可以理解的是，以上实施方式仅仅是为了说明本公开的原理而采用的示例性实施方式，然而本公开并不局限于此。对于本领域内的普通技术人员而言，在不脱离本公开的精神和实质的情况下，可以做出各种变型和改进，这些变型和改进也视为本公开的保护范围。

Claims (14)

  1. 一种自动贴覆装置，其中，包括：
    贴覆机构，用于将贴覆材料层(3)贴覆在设有通孔(1)的待贴覆件(2)第一表面上，且所述贴覆材料层(3)至少部分覆盖所述通孔(1)及其周围表面；
    包覆机构，用于切断所述通孔(1)上的所述贴覆材料层(3)，并将切断后形成的两部分所述贴覆材料层(3)弯折以各自包覆所述通孔(1)的相对侧壁。
  2. 根据权利要求1所述的自动贴覆装置，其中，
    所述包覆机构包括：
    冲模切割机构(4)，用于冲击并切断所述通孔(1)上的所述贴覆材料层(3)，以及使切断后形成的两部分所述贴覆材料层(3)分别沿所述通孔(1)的相对侧壁弯折；
    弯折包覆机构，用于使弯折后的两部分所述贴覆材料层(3)沿所述待贴覆件(2)的与所述第一表面相对的第二表面再次弯折，并贴覆在所述第二表面上。
  3. 根据权利要求2所述的自动贴覆装置，其中，
    所述冲模切割机构(4)包括第一驱动机构和第一部件(41)；
    所述第一部件(41)位于所述贴覆材料层(3)的背离所述通孔(1)的一侧，且所述第一部件(41)的靠近所述通孔(1)的表面设置有切刀(411)；
    所述第一驱动机构与所述第一部件(41)连接，用于驱动所述第一部件(41)向所述通孔(1)的方向运动，以切断所述通孔(1)上的所述贴覆材料层(3)，并在切断所述贴覆材料层(3)后驱动所述第一部件(41)继续前进，以使切断后形成的两部分所述贴覆材料层(3)在所述第一部件(41)的挤压下分别沿所述 通孔(1)的相对侧壁弯折，并分别贴覆在所述通孔(1)的相对侧壁上。
  4. 根据权利要求3所述的自动贴覆装置，其中，所述第一部件(41)的长度小于所述通孔(1)的直径；
    所述第一部件(41)的两侧设置有导向面，所述导向面用于导向所述第一部件(41)以使所述第一部件(41)插入所述通孔(1)。
  5. 根据权利要求3所述的自动贴覆装置，其中，
    所述冲模切割机构(4)还包括第二部件(42)；
    所述第二部件(42)与所述第一部件(41)相对设置，二者分别位于所述通孔(1)上的所述贴覆材料层(3)的两侧。
  6. 根据权利要求5所述的自动贴覆装置，其中，所述第二部件(42)的与所述第一部件(41)相对的表面上设置有防粘膜层。
  7. 根据权利要求5所述的自动贴覆装置，其中，所述第二部件(42)设置有与所述切刀(411)的位置相对应的凹槽(422)，所述凹槽(422)形状和尺寸与所述切刀(411)相匹配。
  8. 根据权利要求5所述的自动贴覆装置，其中，所述冲模切割机构(4)还包括导向机构，所述第一部件(41)与所述第二部件(42)均设置在所述导向机构上；所述导向机构用于支撑和引导所述第一部件(41)和所述第二部件(42)沿进出所述通孔(1)的方向运动。
  9. 根据权利要求2-8中任一项所述的自动贴覆装置，其中，所述弯折包覆机构包括：
    弯折机构(5)，用于使已沿所述通孔(1)的相对侧壁弯折后的两部分所述贴覆材料层(3)各自沿所述待贴覆件(2)第二 表面再次弯折；
    滚平机构(6)，用于将再次弯折后的两部分所述贴覆材料层(3)在所述待贴覆件(2)第二表面上滚平，从而将二者贴覆在所述待贴覆件(2)第二表面上。
  10. 根据权利要求9所述的自动贴覆装置，其中，
    所述弯折机构(5)和所述贴覆机构分别位于所述待贴覆件(2)的两侧，弯折机构(5)包括：第二驱动机构、第一弯折板(51)、第二弯折板(52)；
    所述第一弯折板(51)包括第一竖板(512)和第一斜板(511)，所述第一竖板(512)沿与所述通孔(1)的中心线方向延伸，第一斜板(511)位于所述第一竖板(512)的远离所述通孔(1)的一侧，所述第一斜板(511)相对第一竖板(512)成预设角度且在端部相接，所述预设角度为锐角；
    所述第二弯折板(52)包括第二竖板(522)和第二斜板(521)，所述第二竖板(522)沿与所述通孔(1)的中心线方向延伸，第二斜板(521)位于所述第二竖板(522)的远离所述通孔(1)的一侧，所述第二斜板(521)相对第二竖板(522)成预设角度且在端部相接，所述预设角度为锐角；
    所述第一弯折板(51)与所述第二弯折板(52)对称设置；
    所述第二驱动机构分别与所述第一弯折板(51)和所述第二弯折板(52)连接，用于同时驱动二者向所述通孔(1)的方向运动，直至弯折后的两部分所述贴覆材料层(3)被所述第一斜板(511)和所述第二斜板(521)推动，各自沿所述待贴覆件(2)的第二表面再次弯折。
  11. 根据权利要求9所述的自动贴覆装置，其中，
    所述滚平机构(6)和所述贴覆机构分别位于所述待贴覆件(2)的两侧，所述滚平机构(6)包括：第三驱动机构、第一滚平件(61)、第二滚平件(62)；
    所述第一滚平件(61)设置有第一滚轮；所述第二滚平件(62)设置有第二滚轮；
    所述第三驱动机构分别与所述第一滚平件(61)和所述第二滚平件(62)连接，用于同时驱动二者向所述通孔(1)的方向运动，直至所述第一滚轮和所述第二滚轮分别与再次弯折后的两部分所述贴覆材料层(3)的折弯处接触，然后再分别驱动二者在再次弯折后的所述两部分所述贴覆材料层(3)上沿相反方向运动，直至所述第一滚轮和所述第二滚轮分别将再次折弯后的所述两部分所述贴覆材料层(3)压平并贴覆在所述待贴覆件(2)第二表面上。
  12. 一种背板裁切系统，其中，包括背板贴胶带工作站(9)，所述背板贴胶带工作站(9)内设置有如权利要求1-12中任一项所述的自动贴覆装置，所述待贴覆件(2)为具有通孔(1)的背板。
  13. 根据权利要求12所述的背板裁切系统，其中，还包括龙门式机械设备(11)，所述龙门式机械设备(11)用于将具有通孔(1)的背板抓取并放置在所述背板贴胶带工作站(9)内与所述自动贴覆装置对应的位置处。
  14. 根据权利要求13所述的背板裁切系统，其中，所述背板贴胶带工作站(9)内设置位置传感器，用于检测所述背板的通孔(1)是否与所述自动贴覆装置的位置对应。
PCT/CN2019/092798 2018-06-28 2019-06-25 自动贴覆装置和背板裁切系统 WO2020001435A1 (zh)

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