CN113224204B - Cutting device for photovoltaic cell - Google Patents

Cutting device for photovoltaic cell Download PDF

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Publication number
CN113224204B
CN113224204B CN202110406899.7A CN202110406899A CN113224204B CN 113224204 B CN113224204 B CN 113224204B CN 202110406899 A CN202110406899 A CN 202110406899A CN 113224204 B CN113224204 B CN 113224204B
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switching
table body
conveying
track
gear
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CN113224204A (en
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王青
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Shandong Jiaotong University
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Shandong Jiaotong University
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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
    • H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/40—Removing material taking account of the properties of the material involved
    • B23K26/402—Removing material taking account of the properties of the material involved involving non-metallic material, e.g. isolators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
    • H01L21/67739—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations into and out of processing chamber
    • H01L21/67742—Mechanical parts of transfer devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
    • H01L21/6838—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping with gripping and holding devices using a vacuum; Bernoulli devices
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Robotics (AREA)
  • Electromagnetism (AREA)
  • Sawing (AREA)
  • Dicing (AREA)

Abstract

One or more embodiments of the present disclosure provide a cutting device for a photovoltaic cell, through setting up cutting mechanism and conveying mechanism, and set up conveying mechanism to including switching track and many conveying tracks, install switching mechanism and place the platform in switching track, when the specification that needs to cut the photovoltaic cell changes, can drive through the switching gear and place the platform and remove in switching track, make and place the platform and remove corresponding conveying track department, the rethread removes the gear and drives and place the platform and remove in conveying track, make cutting mechanism cut the photovoltaic cell along the removal route of photovoltaic cell, thereby make this device can satisfy the cutting demand of the photovoltaic cell of multiple specification, and need not adjust the position of cutting mechanism repeatedly, work efficiency has been improved.

Description

Cutting device for photovoltaic cell
Technical Field
One or more embodiments of the present disclosure relate to the field of photovoltaic cell manufacturing technology, and in particular, to a cutting device for photovoltaic cells.
Background
In the process of photovoltaic cell production, because the specifications of required products are different, the photovoltaic cell piece is often required to be cut into required sizes, a common cutting mode is to use a laser cutting knife, so that the photovoltaic cell piece moves along a cutting path or the laser cutting knife moves, and the photovoltaic cell piece is cut, but in actual production, the photovoltaic cell pieces with different specifications exist, the cutting path is also required to be adjusted according to the specifications so as to adjust the size of a finished product after cutting, and in the prior art, when the cutting path is adjusted, the position of a cutting mechanism is required to be repeatedly calibrated, so that the working efficiency is reduced.
Disclosure of Invention
In view of this, it is an object of one or more embodiments of the present disclosure to provide a cutting device for photovoltaic cells, which solves the problem of repeatedly calibrating the position of the cutting mechanism when adjusting the cutting path.
In view of the above, one or more embodiments of the present disclosure provide a cutting device for photovoltaic cells, comprising a cutting mechanism and a conveying mechanism;
the conveying mechanism comprises a switching track and a plurality of conveying tracks, the switching track is provided with a switching mechanism and a placing table, the placing table is used for placing photovoltaic cells, and the switching mechanism is used for driving the placing table to move along the switching track;
the bottom of each conveying track is provided with a movable rack, the movable racks extend into the switching tracks, the bottom of the placing table is provided with a movable gear, the movable gear is matched with the movable rack, and when the movable gear moves to the position above the movable rack, the movable gear is meshed with the movable rack;
the switching mechanism comprises a switching gear arranged at the back of the placing table, a switching rack is arranged in the switching track, and the switching gear is meshed with the switching rack.
Preferably, the two conveying tracks are respectively a first conveying track and a second conveying track, and the placing table comprises a first table body, a second table body and a third table body;
the first table body is adjacent to the second table body, a first gap is formed between the first table body and the second table body, the second table body is adjacent to the third table body, a second gap is formed between the second table body and the third table body, when the placing table is located in the first conveying track, the first gap is aligned with the cutting mechanism, and when the placing table is located in the second conveying track, the second gap is aligned with the cutting mechanism.
Preferably, a plurality of adsorption channels are arranged in the first platform body, the second platform body and the third platform body, and the bottoms of the adsorption channels are connected with exhaust pipes.
Preferably, a connecting mechanism is arranged between the second platform body and the third platform body and is used for connecting or separating the second platform body and the third platform body;
the third table body is connected with a rotating mechanism for driving the third table body to rotate, and when the connecting mechanism connects the second table body with the third table body, the rotating mechanism drives the second table body and the third table body which are connected into a whole to rotate.
Preferably, the adsorption channels in the second platform body and the third platform body are obliquely arranged, the second platform body and the third platform body are internally provided with blocking mechanisms, each blocking mechanism comprises a base arranged on one side of the adsorption channel, a blocking piece is connected to the base, an elastic belt is connected between the blocking piece and the base, and when the platform body rotates to a set angle, the blocking piece overcomes the elasticity of the elastic belt under the action of gravity to stretch the elastic belt and block the adsorption channel.
Preferably, the connecting mechanism comprises a connecting rod arranged on the third platform body and a connecting groove arranged on the second platform body, and the connecting rod is matched with the connecting groove.
Preferably, the switching gear is connected with a transmission mechanism, the transmission mechanism is connected with the connecting rod, and the switching gear rotates to drive the placing table to move from the first conveying track to the second conveying track, and the connecting rod is driven to be inserted into the connecting groove through the transmission mechanism.
Preferably, the bottom of the first stage body, the bottom of the second stage body and the bottom of the third stage body are provided with baffle plates, the group baffle plates are provided with a plurality of through holes, the baffle plates are provided with a first state for blocking the adsorption channels and a second state for enabling the adsorption channels and the through holes to overlap, the group baffle plates are connected with pushing parts, the pushing parts are arranged at the back of the placing stage, and when the switching gear is meshed with the switching rack, the pushing parts are pushed by the switching track to push the group baffle plates to the first state.
Preferably, the cutting mechanism comprises a laser cutter.
From the foregoing, it can be seen that, the cutting device for photovoltaic cell provided in one or more embodiments of the present disclosure, through setting up cutting mechanism and conveying mechanism, and set up conveying mechanism to including switching track and many conveying tracks, install switching mechanism and place the platform in switching track, when the specification that needs to cut the photovoltaic cell changes, can drive the platform through the switching gear and remove in switching track, make and place the platform and remove corresponding conveying track department, the rethread removes the gear and drives and place the platform and remove in conveying track, make cutting mechanism cut the photovoltaic cell along the travel path of photovoltaic cell, thereby make this device can satisfy the cutting demand of the photovoltaic cell of multiple specification, and need not adjust the position of cutting mechanism repeatedly, work efficiency has been improved.
Drawings
For a clearer description of one or more embodiments of the present description or of the solutions of the prior art, the drawings that are necessary for the description of the embodiments or of the prior art will be briefly described, it being apparent that the drawings in the description below are only one or more embodiments of the present description, from which other drawings can be obtained, without inventive effort, for a person skilled in the art.
FIG. 1 is a schematic overall structure of one or more embodiments of the present disclosure;
FIG. 2 is a schematic view of a placement stage according to one or more embodiments of the present disclosure;
FIG. 3 is a schematic diagram of a blocking mechanism according to one or more embodiments of the present disclosure;
FIG. 4 is a schematic view of a blocking mechanism after rotation of a table according to one or more embodiments of the present disclosure;
FIG. 5 is a schematic diagram of a transmission mechanism according to one or more embodiments of the present disclosure;
FIG. 6 is a schematic view of a group separator structure in accordance with one or more embodiments of the present disclosure.
Detailed Description
For the purposes of promoting an understanding of the principles and advantages of the disclosure, reference will now be made in detail to the following specific examples.
It is noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present disclosure should be taken in a general sense as understood by one of ordinary skill in the art to which the present disclosure pertains. The use of the terms "first," "second," and the like in one or more embodiments of the present description does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
The embodiment of the specification provides a cutting device for photovoltaic cell pieces, including cutting mechanism 1 and conveying mechanism, wherein conveying mechanism includes switching track 21 and many conveying tracks 22, install switching mechanism and place platform 23 on the switching track 21, place the platform 23 and be used for placing the photovoltaic cell piece, switching mechanism is used for driving and places the platform 23 and remove along switching track 21, movable rack 221 is all installed to each conveying track 22 bottom, and movable rack 221 stretches into in the switching track 21, movable gear is installed to placing the platform 23 bottom, movable gear matches with movable rack 221, when movable gear moves to movable rack 221 top, with movable rack 221 meshing, switching mechanism installs switch rack 242 including installing the switch gear 241 at the back of placing the platform 23 in the switching track 21, switch gear 241 meshes with switch rack 242.
According to the cutting device for the photovoltaic cell, provided by the embodiment of the specification, the cutting mechanism 1 and the conveying mechanism are arranged, the conveying mechanism is arranged to comprise the switching track 21 and the plurality of conveying tracks 22, the switching mechanism is installed in the switching track 21, the placing table 23 is driven to move in the switching track 21 through the switching gear 241 when the specification of the photovoltaic cell to be cut is changed, the placing table 23 is enabled to move to the corresponding conveying track 22, the placing table 23 is driven to move in the conveying track 22 through the moving gear, and the cutting mechanism 1 cuts the photovoltaic cell along the moving path of the photovoltaic cell, so that the device can meet the cutting requirements of the photovoltaic cell with various specifications without repeatedly adjusting the position of the cutting mechanism 1, and the working efficiency is improved.
As one embodiment, two conveying rails 22 are provided, namely, a first conveying rail 22 and a second conveying rail 22, and the placement table 23 includes a first table body 231, a second table body 232 and a third table body 233, wherein the first table body 231 and the second table body 232 are adjacent, a first gap 234 is provided between the first table body 231 and the second table body 232, the second table body 232 is adjacent to the third table body 233, a second gap 235 is provided between the second table body 232 and the third table body 233, when the placement table 23 is located in the first conveying rail 22, the first gap 234 is aligned with the cutting mechanism 1, and when the placement table 23 is located in the second conveying rail 22, the second gap 235 is aligned with the cutting mechanism 1, and the alignment refers to that when moving in the corresponding conveying rail 22, the moving path of the gap is aligned with the cutting mechanism 1.
As an embodiment, a plurality of adsorption channels 236 are provided in the first stage 231, the second stage 232 and the third stage 233, and suction pipes are connected to the bottoms of the adsorption channels 236, so that the photovoltaic cell can be adsorbed and fixed on the placement stage 23 by pumping the adsorption channels 236 to negative pressure.
As an embodiment, a connection mechanism is installed between the second table 232 and the third table 233, the connection mechanism is used for connecting or separating the second table 232 and the third table 233, the third table 233 is connected with a rotation mechanism for driving the third table 233 to rotate, and when the connection mechanism connects the second table 232 and the third table 233, the rotation mechanism drives the second table 232 and the third table 233 which are connected into a whole to rotate.
For example, the adsorption channels 236 in the second stage 232 and the third stage 233 are obliquely arranged, the second stage 232 and the third stage 233 are further provided with a blocking mechanism, the blocking mechanism comprises a base 238 arranged at one side of the adsorption channels 236, a blocking member 239 is connected to the base 238, an elastic belt 2391 is connected between the blocking member 239 and the base 238, when the stage rotates to a set angle, the blocking member 239 overcomes the elastic force of the elastic belt 2391 under the action of gravity, the elastic belt 2391 is elongated, the adsorption channels 236 are blocked, and in this embodiment, a groove (not shown) for moving the blocking member 239 should be arranged in the stage.
As an embodiment, the connection mechanism includes a connection rod 237 mounted on the third stage 233, and a connection groove formed on the second stage 232, the connection groove being matched with the connection rod 237.
As an embodiment, the switching gear 241 is connected with a transmission mechanism, the transmission mechanism is connected with the connecting rod 237, the switching gear 241 rotates to drive the placing table 23 to move from the first conveying track 22 to the second conveying track 22, the connecting rod 237 is driven by the transmission mechanism to be inserted into the connecting groove, for example, the transmission mechanism comprises a transmission gear 31 connected with the switching gear 241 through a synchronous belt 33, the connecting rod 237 is connected with a transmission rack 32, and the transmission rack 32 is meshed with the transmission gear 31.
As an embodiment, the first stage 231, the second stage 232, and the third stage 233 have a plurality of through holes formed at the bottoms thereof, the block plates 4 have a first state of blocking the suction passage 236 and a second state of overlapping the suction passage 236 and the through holes, the block plates 4 are connected with the pressing portion 41, the pressing portion 41 is provided at the back of the placement stage 23, and when the switching gear 241 is engaged with the switching rack 242, the pressing portion 41 is pushed by the switching rail 21 to push the block plates 4 to the first state.
As an embodiment, the cutting mechanism 1 comprises a laser cutter.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the disclosure, including the claims, is limited to these examples; combinations of features of the above embodiments or in different embodiments are also possible within the spirit of the present disclosure, steps may be implemented in any order, and there are many other variations of the different aspects of one or more embodiments described above which are not provided in detail for the sake of brevity.
Additionally, well-known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures, in order to simplify the illustration and discussion, and so as not to obscure one or more embodiments of the present description. Furthermore, the apparatus may be shown in block diagram form in order to avoid obscuring the one or more embodiments of the present description, and also in view of the fact that specifics with respect to implementation of such block diagram apparatus are highly dependent upon the platform within which the one or more embodiments of the present description are to be implemented (i.e., such specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the disclosure, it should be apparent to one skilled in the art that one or more embodiments of the disclosure can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative in nature and not as restrictive.
The present disclosure is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Any omissions, modifications, equivalents, improvements, and the like, which are within the spirit and principles of the one or more embodiments of the disclosure, are therefore intended to be included within the scope of the disclosure.

Claims (9)

1. The cutting device for the photovoltaic cell is characterized by comprising a cutting mechanism and a conveying mechanism;
the conveying mechanism comprises a switching track and a plurality of conveying tracks, the switching track is provided with a switching mechanism and a placing table, the placing table is used for placing photovoltaic cells, and the switching mechanism is used for driving the placing table to move along the switching track so that the placing table moves to the corresponding conveying track;
a movable rack is arranged at the bottom of each conveying track, the movable racks extend into the switching tracks, a movable gear is arranged at the bottom of each placing table, the movable gear is matched with the movable rack, when the movable gear moves to the position above the movable rack, the movable gear is meshed with the movable rack, and the placing table is driven to move in the conveying tracks through the movable gear, so that the cutting mechanism cuts the photovoltaic cell along the moving path of the photovoltaic cell;
the switching mechanism comprises a switching gear arranged on the back of the placing table, a switching rack is arranged in the switching track, and the switching gear is meshed with the switching rack.
2. The cutting device for photovoltaic cells according to claim 1, wherein the number of the conveying tracks is two, namely a first conveying track and a second conveying track, and the placing table comprises a first table body, a second table body and a third table body;
the first table body is adjacent to the second table body, a first gap is formed between the first table body and the second table body, the second table body is adjacent to the third table body, a second gap is formed between the second table body and the third table body, when the placing table is located in the first conveying track, the first gap is aligned with the cutting mechanism, and when the placing table is located in the second conveying track, the second gap is aligned with the cutting mechanism.
3. The cutting device for photovoltaic cells according to claim 2, wherein a plurality of adsorption channels are arranged in the first table body, the second table body and the third table body, and exhaust pipes are connected to the bottoms of the adsorption channels.
4. The cutting device for photovoltaic cells according to claim 3, wherein a connecting mechanism is installed between the second stage and the third stage, and the connecting mechanism is used for connecting or separating the second stage and the third stage;
the third table body is connected with a rotating mechanism for driving the third table body to rotate, and when the connecting mechanism connects the second table body with the third table body, the rotating mechanism drives the second table body and the third table body which are connected into a whole to rotate.
5. The cutting device for photovoltaic cells according to claim 4, wherein the adsorption channels in the second and third tables are arranged obliquely, a blocking mechanism is further installed in the second and third tables, the blocking mechanism comprises a base arranged at one side of the adsorption channel, a blocking piece is connected to the base, an elastic belt is connected between the blocking piece and the base, and when the tables rotate to a set angle, the blocking piece overcomes the elasticity of the elastic belt under the action of gravity, and stretches the elastic belt to block the adsorption channel.
6. The device of claim 4, wherein the connecting mechanism comprises a connecting rod mounted on the third table body and a connecting groove formed on the second table body, and the connecting rod is matched with the connecting groove.
7. The cutting device for photovoltaic cells according to claim 6, wherein the switching gear is connected with a transmission mechanism, the transmission mechanism is connected with the connecting rod, and the switching gear rotates to drive the connecting rod to be inserted into the connecting groove through the transmission mechanism when driving the placing table to move from the first conveying track to the second conveying track.
8. The cutting device for photovoltaic cells according to claim 3, wherein a blocking plate is installed at the bottoms of the first, second and third stage bodies, a plurality of through holes are formed in the blocking plate, the blocking plate has a first state blocking the adsorption passage and a second state overlapping the adsorption passage and the through holes, the blocking plate is connected with a pushing part, the pushing part is arranged at the back of the placement stage, and when the switching gear is meshed with the switching rack, the pushing part is pushed by the switching track to push the blocking plate to the first state.
9. The cutting device for photovoltaic cells of claim 1 wherein the cutting mechanism comprises a laser cutter.
CN202110406899.7A 2021-04-15 2021-04-15 Cutting device for photovoltaic cell Active CN113224204B (en)

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CN114497276B (en) * 2021-12-31 2024-02-06 中国华能集团清洁能源技术研究院有限公司 Photovoltaic module production line

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KR101141930B1 (en) * 2010-07-30 2012-05-11 (주)미래컴퍼니 Device and method for machining multi-layer substrate using laser beams having plural wavelength
JP5926592B2 (en) * 2012-03-27 2016-05-25 川崎重工業株式会社 Laser processing equipment for patterning
US20180190860A1 (en) * 2017-01-05 2018-07-05 Solarcity Corporation System and method for cleaving photovoltaic structures
CN107138861B (en) * 2017-06-15 2019-01-04 京东方科技集团股份有限公司 A kind of laser cutting device and control method and control device
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Publication number Priority date Publication date Assignee Title
CN202715966U (en) * 2012-07-03 2013-02-06 正修科技大学 Laser cutting device of thin-film solar cell
JP2014087860A (en) * 2012-10-29 2014-05-15 Star Techno Co Ltd Plate material cutting device
CN103551732A (en) * 2013-11-13 2014-02-05 苏州德龙激光股份有限公司 Laser cutting device and cutting method
KR101916637B1 (en) * 2018-07-17 2018-11-07 주식회사 씨엔아이 Apparatus for manufacturing thin silicon solar cell module
CN211759251U (en) * 2019-12-27 2020-10-27 南通领翰激光科技有限公司 Laser cutting machine convenient to process different panels

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