CN119894119B - A welding ribbon conveying and UV pre-curing mechanism and method - Google Patents
A welding ribbon conveying and UV pre-curing mechanism and methodInfo
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- CN119894119B CN119894119B CN202510012068.XA CN202510012068A CN119894119B CN 119894119 B CN119894119 B CN 119894119B CN 202510012068 A CN202510012068 A CN 202510012068A CN 119894119 B CN119894119 B CN 119894119B
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10P72/30—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for conveying, e.g. between different workstations
- H10P72/32—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for conveying, e.g. between different workstations between different workstations
- H10P72/3212—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for conveying, e.g. between different workstations between different workstations the substrates to be conveyed not being semiconductor wafers or large planar substrates, e.g. chips or lead frames
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10P72/70—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping
- H10P72/78—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using vacuum or suction, e.g. Bernoulli chucks
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- 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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Abstract
本发明涉及专门用于太阳电池片制串的设备及方法，具体涉及一种焊带搬运及UV预固化机构及方法，用于解决现有技术在焊带搬运、定位和固化过程中存在精准性不足、易偏移及质量控制难等问题的不足之处。该焊带搬运及UV预固化机构中，每个搬运预固化单元包括升降装置、吸附板、压针装置、UV灯板和M个真空发生器；其中吸附板、M个真空发生器实现了焊带搬运，UV灯板实现了UV预固化，升降机构与移动装置的结合，确保了焊带在吸附、搬运、压紧、固化过程中的精准对位，使得本发明能够高效、准确地完成太阳电池片上的焊带固定，提高工艺质量和生产效率。
The present invention relates to equipment and methods specifically for stringing solar cells, and more specifically to a solder ribbon handling and UV pre-curing mechanism and method, designed to address the shortcomings of existing technologies in the solder ribbon handling, positioning, and curing processes, such as insufficient precision, easy deviation, and difficult quality control. In the solder ribbon handling and UV pre-curing mechanism, each handling and pre-curing unit includes a lifting device, an adsorption plate, a pressure needle device, a UV lamp board, and M vacuum generators. The adsorption plate and M vacuum generators enable solder ribbon handling, while the UV lamp board enables UV pre-curing. The combination of the lifting mechanism and the moving device ensures precise alignment of the solder ribbon during adsorption, handling, pressing, and curing. This enables the present invention to efficiently and accurately secure the solder ribbon to the solar cell, improving process quality and production efficiency.
Description
Technical Field
The invention relates to equipment and a method special for manufacturing strings of solar cells, in particular to a welding strip conveying and UV pre-curing mechanism and a method.
Background
Referring to FIG. 1, a non-main grid XBC battery string comprises X solar cells 01, long welding strips 021 with length L1 and short welding strips 022 with length L2, wherein X is more than or equal to 2, each long welding strip 021 is arranged on two solar cells 01, a plurality of long welding strips 021 realize 1~X th solar cells 01 in series connection, two short welding strips 022 are respectively arranged on the 1 st and X th solar cells 01 to lead out current, and in the preparation of the non-main grid XBC battery string, the welding strips 02 need to be accurately conveyed to preprinted UV adhesive and cured. Conventional methods for handling the solder strip 02 by the series welder generally employ a clamping mechanism to place the solder strip 02 in a specified position on the battery cell by clamping it. However, in actual operation, the manner of carrying the solder ribbon is subject to several problems:
(1) The welding strip is easy to deform, namely the welding strip is made of a thin copper aluminum foil material, and in the traditional clamping and carrying process, the welding strip is easy to turn over due to uneven stress, so that the subsequent positioning and pasting quality are affected.
(2) The existing clamping mechanism releases the welding strip at a certain height, and the welding strip is easy to deviate from the target position after being placed due to unstable release position, and cannot be accurately aligned with the UV adhesive, so that the bonding effect is poor.
(3) And the UV glue curing is delayed, namely the current conveying mechanism does not integrate the UV glue pre-curing function, the welding strip cannot be cured immediately after being conveyed to the battery piece, and the welding strip is conveyed to the next station for bonding and fixing. In the conveying process, the positions of the welding strips and the UV adhesive are easy to deviate, the final curing effect is affected, and hidden danger of product quality exists.
The prior art has the problems of insufficient accuracy, easy deviation, difficult quality control and the like in the welding strip carrying, positioning and curing processes. Therefore, a technical solution that can improve the handling precision and stability and integrate the pre-curing function of UV glue is needed to optimize the manufacturing process of the non-main grid XBC battery assembly and improve the product quality.
Disclosure of Invention
The invention aims to solve the defects of insufficient accuracy, easy deviation, difficult quality control and the like in the welding strip conveying, positioning and curing process in the prior art, and provides a welding strip conveying and UV pre-curing mechanism and method.
In order to solve the defects existing in the prior art, the invention provides the following technical solutions:
the welding strip conveying and UV pre-curing mechanism is characterized by comprising a fixed bracket and N conveying pre-curing units, wherein N is more than or equal to 1;
the fixed support is provided with a moving device which moves along the horizontal direction, and the moving device is provided with the N carrying pre-curing units;
Each carrying pre-curing unit comprises a lifting device, a needle pressing device and M vacuum generators, wherein M is more than or equal to 2, the lifting device is arranged on a moving device, the needle pressing device comprises a needle pressing driving assembly arranged at the driving end of the lifting device, a supporting plate arranged at the driving end of the needle pressing driving assembly, a needle pressing connecting plate arranged below the supporting plate, and a plurality of spring needles arranged on the bottom surface of the needle pressing connecting plate, the supporting plate is connected with the needle pressing connecting plate through a plurality of connecting shafts, an adsorption plate is arranged on the top surface of the needle pressing connecting plate, and a UV lamp plate is arranged on the bottom surface of the needle pressing connecting plate, and the lifting device is used for driving the adsorption plate to move along the vertical direction;
The spring pressing pins penetrate through the UV lamp panel and are used for pressing the welding strip on the solar cell so as to be in close contact with the UV adhesive;
M groups of adsorption holes are formed in the bottom surface of the adsorption plate, each group of adsorption holes are arranged in a row-column matrix mode, the row direction is perpendicular to the length direction of the welding strip, and the number of rows of each group of adsorption holes is more than or equal to 3;
Each group of adsorption holes is controlled by a vacuum generator, each adsorption hole is connected with a sucking disc, and the adsorption end of each sucking disc sequentially penetrates through the pressure needle connecting plate and the UV lamp panel and is used for adsorbing the corresponding welding strip;
The UV lamp panel comprises a plurality of UV lamp beads, and the plurality of UV lamp beads are used for corresponding to the positions of UV glue on the solar cell piece so as to solidify the UV glue.
Further, the M groups of adsorption holes are sequentially arranged along the length direction of the welding strip;
the M groups of adsorption holes are used for adsorbing the same long welding strips on two adjacent solar cells or the short welding strips on the same solar cell;
Every two groups of continuous adsorption holes are used for adsorbing the same long welding strip on two adjacent solar cells.
Further, the M takes a value of 4;
The four groups of adsorption holes are respectively a first group of adsorption holes, a second group of adsorption holes, a third group of adsorption holes and a fourth group of adsorption holes;
The first group of adsorption holes and the second group of adsorption holes are used for adsorbing long welding strips on a first solar cell and a second solar cell in three solar cells which are sequentially and continuously arranged, and the third group of adsorption holes and the fourth group of adsorption holes are used for adsorbing long welding strips on a second solar cell and a third solar cell in three solar cells which are sequentially and continuously arranged.
Further, the first group of adsorption holes and the second group of adsorption holes are also used for simultaneously adsorbing the short-welded strips on the last solar cell piece in the previous non-main grid XBC cell string and the short-welded strips on the first solar cell piece in the next non-main grid XBC cell string.
The UV lamp panel comprises a substrate arranged on the bottom surface of the pin pressing connecting plate, a plurality of UV lamp beads and a shading component, wherein the plurality of UV lamp beads and the shading component are arranged on the bottom surface of the substrate, the shading component comprises a shading plate and a plurality of shading foam pieces, the shading plate is positioned at the end part of the substrate, close to an adjacent carrying pre-curing unit, so as to shade UV glue on an adjacent solar cell, the shading foam pieces are divided into a plurality of rows, one UV lamp bead is arranged between the adjacent shading foam pieces in each row of shading foam pieces so as to shade the UV lamp beads, the spring pins penetrate through the substrate and are arranged in a row-column matrix mode, and the column directions of the spring pins are parallel to the extending direction of the welding strips.
Further, the moving device comprises a linear motor and a mounting plate arranged at the driving end of the linear motor, and the vacuum generator is arranged on the mounting plate;
The lifting device comprises a lifting assembly arranged on a mounting plate, a guide rail connecting plate arranged at the driving end of the lifting assembly and a linear guide rail arranged on the guide rail connecting plate, wherein the lifting assembly comprises a servo motor, a screw rod and a lifting cylinder connecting plate;
The needle pressing driving assembly comprises a needle pressing cylinder and a needle pressing cylinder connecting plate, the needle pressing cylinder is arranged on the linear guide rail, the driving end of the needle pressing cylinder is connected with the needle pressing cylinder connecting plate, and the supporting plate is arranged on the needle pressing cylinder connecting plate.
The welding strip conveying and UV pre-curing method adopts the welding strip conveying and UV pre-curing mechanism and comprises the following steps:
Step 1, cutting a welding strip to be carried according to a preset length and placing the welding strip in a loading area;
Step 2, starting a corresponding vacuum generator according to the length and the position of the welding strip, then lowering the adsorption plate to a loading area of the welding strip by a lifting device, adsorbing the corresponding welding strip by each sucking disc on the adsorption plate through adsorption, driving the adsorption plate to rise to a moving position by the lifting device, then horizontally moving the adsorption plate by a moving device to carry the welding strip above a solar cell, then lowering the adsorption plate by the lifting device to place each welding strip at a preset position on the solar cell, and then starting a pin pressing driving assembly of a pin pressing device, wherein the pin pressing driving assembly drives each spring pin pressing to press the corresponding welding strip on the UV adhesive of the solar cell;
step 3, starting UV lamp beads on the UV lamp panel, and performing local pre-curing on the UV adhesive between the welding belt and the solar cell;
step 4, closing the vacuum generator started in the step 2 to remove the adsorption state of the adsorption plate and all the welding strips, and driving the adsorption plate to ascend by a lifting device to return to the initial height;
And 5, driving the adsorption plate to return to the loading area by the moving device, and starting a new round of operation according to the steps 2-4 until the solder strip carrying and UV pre-curing of all solar cells are completed.
Compared with the prior art, the invention has the beneficial effects that:
(1) In the welding strip conveying and UV pre-curing mechanism, each conveying pre-curing unit comprises a lifting device, an adsorption plate, a needle pressing device, a UV lamp panel and M vacuum generators, wherein the adsorption plate and the M vacuum generators realize welding strip conveying, the UV lamp panel realizes UV pre-curing, and the lifting mechanism is combined with a moving device, so that precise alignment of welding strips in the processes of adsorption, conveying, pressing and curing is ensured, and the welding strip fixing on a solar cell can be efficiently and accurately completed, and the process quality and the production efficiency are improved.
(2) The invention is provided with M groups of adsorption holes, each group of adsorption holes can be independently controlled by a vacuum generator, so that welding strips with different lengths and specifications can be matched by simply adjusting and grouping, and a single adsorption plate can simultaneously serve a plurality of solar cells.
(3) The invention discloses a welding strip conveying and UV pre-curing method, which comprises the steps of adsorbing a welding strip, lifting the welding strip to a target position, compacting the welding strip, pre-curing the welding strip, releasing the welding strip and resetting the welding strip, adopting an adsorption conveying mode to replace a traditional clamping mechanism, avoiding the problem that the welding strip is overturned or damaged due to uneven clamping force, ensuring the welding strip to be in close contact with UV glue through a needle pressing device, providing firmer preliminary fixation by combining with UV pre-curing, and automatically connecting lifting, translating, compacting and curing operations, reducing manual intervention and realizing efficient continuous production flow.
Drawings
FIG. 1 is a schematic diagram of a gateless XBC battery assembly;
FIG. 2 is a schematic diagram of an embodiment of a solder strip handling and UV pre-curing mechanism according to the present invention;
FIG. 3 is a schematic diagram of an adsorption plate and a UV lamp panel according to an embodiment of the invention;
FIG. 4 is a schematic view of a needle pressing device and a lifting device according to an embodiment of the present invention;
Fig. 5 is a schematic diagram showing the distribution of a long solder strip with a length L1 on two solar cells according to an embodiment of the present invention;
FIG. 6 is a diagram showing the correspondence between a long solder strip of length L1 and four groups of adsorption holes in an embodiment of the present invention;
Fig. 7 is a schematic diagram showing a distribution of short solder strips with length L2 on two solar cells according to an embodiment of the present invention;
FIG. 8 is a diagram showing the correspondence between a short solder strip of length L2 and two groups of adsorption holes in an embodiment of the present invention;
the reference numerals are as follows, 01-solar cell, 02-solder strip, 021-long solder strip, 022-short solder strip and 03-UV adhesive;
10-fixing a bracket;
20-moving device, 201-linear motor, 202-mounting plate;
30-a vacuum generator;
401-adsorption plate, 402-sucking disc, 403-first group adsorption hole, 404-second group adsorption hole, 405-third group adsorption hole, 406-fourth group adsorption hole;
50-needle pressing device, 501-needle pressing cylinder, 502-needle pressing cylinder connecting plate, 503-supporting plate, 504-connecting shaft, 505-needle pressing connecting plate and 506-spring needle pressing;
60-lifting devices, 601-servo motors, 602-lead screws, 603-lifting cylinder connecting plates, 604-guide rail connecting plates and 605-linear guide rails;
70-UV lamp panel, 701-substrate, 702-UV lamp bead, 703-light shielding plate and 704-light shielding foam.
Detailed Description
The invention is further described below with reference to the drawings and exemplary embodiments.
Referring to FIG. 2, a solder strip carrying and UV pre-curing mechanism comprises a fixed bracket 10 and N carrying pre-curing units, wherein N is equal to or greater than 1, and N is 2 in the embodiment.
The fixed support 10 is provided with a moving device 20 moving along the horizontal direction, the moving device 20 comprises a linear motor 201 and a mounting plate 202 arranged at the driving end of the linear motor 201, and N carrying pre-curing units are arranged on the mounting plate 202.
Each carrying pre-curing unit comprises a lifting device 60, an adsorption plate 401, a needle pressing device 50, a UV lamp panel 70 and M vacuum generators 30, wherein the value of M in the embodiment is 4.
As shown in fig. 4, the lifting device 60 comprises a lifting assembly, a guide rail connecting plate 604 and a linear guide rail 605, wherein the lifting assembly comprises a servo motor 601, a screw rod 602 and a lifting cylinder connecting plate 603, the servo motor 601 is arranged on the mounting plate 202, the driving end is connected with the lifting cylinder connecting plate 603 through the screw rod 602, the guide rail connecting plate 604 is arranged on the lifting cylinder connecting plate 603, and the linear guide rail 605 is arranged on the guide rail connecting plate 604;
The needle pressing device 50 comprises a needle pressing driving assembly, a supporting plate 503, a needle pressing connecting plate 505 and a plurality of spring needle pressing 506, wherein the needle pressing driving assembly comprises a needle pressing cylinder 501 and a needle pressing cylinder connecting plate 502, the needle pressing cylinder 501 is arranged on a linear guide rail 605, the driving end of the needle pressing cylinder is connected with the needle pressing cylinder connecting plate 502, the supporting plate 503 is arranged on the needle pressing cylinder connecting plate 502, the needle pressing connecting plate 505 is arranged below the supporting plate 503, the supporting plate 503 is connected with the needle pressing connecting plate 505 through six connecting shafts 504, the top surface of the needle pressing connecting plate 505 is provided with an adsorption plate 401, the bottom surface of the needle pressing connecting plate 505 is provided with a UV lamp plate 70, the spring needle pressing 506 is arranged on the bottom surface of the needle pressing connecting plate 505 and penetrates through a substrate 701 of the UV lamp, and is used for pressing a welding belt 02 on a solar cell 01 to be in tight contact with UV glue 03.
The needle pressing cylinder 501 is used for driving the needle pressing connection plate 505 to move in the vertical direction, and the servo motor 601 is used for driving the adsorption plate 401 to move in the vertical direction.
Referring to fig. 3, the UV lamp panel 70 includes a substrate 701 (copper) disposed on the bottom surface of the pin connection plate 505, a plurality of UV lamp beads 702 disposed on the substrate 701, and a light shielding assembly. The plurality of UV lamp beads 702 correspond to the positions of UV glue 03 on the solar cell 01. The light shielding component is used for shielding UV glue 03 which does not need to be cured and comprises a light shielding plate 703 and a plurality of light shielding foam pieces 704, wherein the light shielding plate 703 is positioned at the end part of the substrate 701 close to the adjacent carrying pre-curing unit so as to shield the UV glue 03 on the adjacent solar cell 01, the light shielding foam pieces 704 are divided into a plurality of rows, and a UV lamp bead 702 is arranged between the adjacent light shielding foam pieces 704 in each row of the light shielding foam pieces 704 so as to shield the UV lamp bead 702.
The bottom surface of the adsorption plate 401 is provided with M groups of adsorption holes which are sequentially arranged along the extension direction of the welding strip 02, each group of adsorption holes is controlled by one vacuum generator 30, each adsorption hole is connected with one sucking disc 402, and the adsorption end of each sucking disc 402 sequentially penetrates through the pressing needle connecting plate 505 and the substrate 701 of the UV lamp panel 70 and is used for adsorbing the corresponding welding strip 02.
Each group of adsorption holes are arranged in a row-column matrix mode, the row direction is perpendicular to the length direction of the welding strips 02, and the number of rows of each group of adsorption holes is more than or equal to 3, namely, each welding strip 02 is adsorbed by at least three suckers 402.
Referring to fig. 6 and 8, in the present embodiment, the value of M is 4, and the four groups of adsorption holes are respectively a first group of adsorption holes 403, a second group of adsorption holes 404, a third group of adsorption holes 405, and a fourth group of adsorption holes 406, where the first row of the second group of adsorption holes 404, the first row of the third group of adsorption holes 405, the second row of the second group of adsorption holes 404, the second row of the third group of adsorption holes 405, the third row of the second group of adsorption holes 404, and the fourth row of the second group of adsorption holes 404 are sequentially arranged, and the columns of the second group of adsorption holes 404 and the third group of adsorption holes 405 are staggered;
Referring to fig. 5 and 6, one adsorption plate 401 corresponds to three solar cells 01 sequentially arranged in succession, a first group of adsorption holes 403 and a second group of adsorption holes 404 are used for adsorbing long solder strips 021 on a first solar cell 01 and a second solar cell 01 of the three solar cells 01 sequentially arranged in succession, a third group of adsorption holes 405 and a fourth group of adsorption holes 406 are used for adsorbing long solder strips 021 on a second solar cell 01 and a third solar cell 01 of the three solar cells 01 sequentially arranged in succession, and a plurality of shading foam 704 are used for shading UV glue at preset positions of short solder strips 022 on the solar cells 01.
Referring to fig. 7 and 8, the first and second groups of adsorption holes 403 and 404 are used to adsorb the last solar cell 01 in the previous non-main grid XBC cell string and the short solder strip 022 on the first solar cell 01 in the next non-main grid XBC cell string.
The welding strip conveying and UV pre-curing method adopts the welding strip conveying and UV pre-curing mechanism, and comprises the following steps:
step 1, cutting a welding strip 02 to be carried according to a preset length (such as L1 or L2) and placing the welding strip in a loading area;
Step 2, carrying a welding strip 02;
step2.1, if the long welding strips 021 on the solar cells 01 sequentially and continuously arranged in the same non-main grid XBC battery string are required to be adsorbed, starting the vacuum generators 30 corresponding to the four groups of adsorption holes;
If the short welding strip 022 on the first solar cell piece 01 or the last solar cell piece 01 of the non-main grid XBC battery string is required to be adsorbed, starting a vacuum generator 30 corresponding to one group of adsorption holes;
If the short solder strips 022 on the last solar cell 01 of the previous non-main grid XBC cell string and the first solar cell 01 of the next non-main grid XBC cell string need to be adsorbed simultaneously, starting the vacuum generator 30 corresponding to two groups of adsorption holes (a first group of adsorption holes 403 and a third group of adsorption holes 405);
Step 2.2, starting the lifting device 60, driving the screw rod 602 to drive the adsorption plate 401 to descend by the servo motor 601, and ensuring stable downward movement of the adsorption plate 401 by the linear guide rail 605;
step 2.3, each sucking disc 402 on the sucking plate 401 sucks the corresponding welding strip 02 through the sucking holes, then the lifting device 60 drives the sucking plate 401 to lift to the moving position,
Step 2.4, starting the moving device 20, driving the mounting plate 202 to move horizontally by the linear motor 201, and conveying the solder strip 02 to the position above the solar cell 01;
step 2.5, driving the adsorption plate 401 to descend by the lifting device 60, and placing each solder strip 02 at a preset position on the solar cell 01;
Step 2.6, starting a pin pressing device 50, wherein a pin pressing cylinder 501 drives each spring pin pressing device 506 to press a corresponding solder strip 02 on the UV adhesive 03 of the solar cell 01, the pin pressing device 50 provides uniform pressure through a plurality of spring pins 506 to ensure that good contact is formed among the solder strips 02, the UV adhesive 03 and the solar cell 01, and after the pressing is finished, the solder strips 02 are stably kept at the design positions of the solar cell 01 and the UV adhesive 03;
Step 3, starting the UV lamp beads 702 on the UV lamp panel 70, and locally pre-curing the UV adhesive 03 between the solder strip 02 and the solar cell 01, and shielding areas which do not need to be cured through the light shielding plate 703 and the plurality of light shielding foam 704 to ensure that the UV light only acts on the target position;
Step 4, turning off the vacuum generator 30 started in step2 to remove the adsorption state of the adsorption plate 401 and all the solder strips 02, and then driving the adsorption plate 401 to rise by the lifting device 60 to return to the initial height;
and 5, driving the adsorption plate 401 to return to the loading area by the moving device 20, and starting a new round of operation in steps 2-4 until the carrying of the solder strips 02 and the UV pre-curing of all the solar cells 01 are completed.
Claims (7)
1. A welding strip conveying and UV pre-curing mechanism is characterized by comprising a fixed bracket (10) and N conveying pre-curing units, wherein N is more than or equal to 1;
The fixed support (10) is provided with a moving device (20) which moves along the horizontal direction, and the N carrying pre-curing units are arranged on the moving device (20);
Each carrying pre-curing unit comprises a lifting device (60), a needle pressing device (50) and M vacuum generators (30), wherein M is more than or equal to 2, the lifting device (60) is arranged on a moving device (20), the needle pressing device (50) comprises a needle pressing driving assembly arranged at the driving end of the lifting device (60), a supporting plate (503) arranged at the driving end of the needle pressing driving assembly, a needle pressing connecting plate (505) arranged below the supporting plate (503) and a plurality of spring needle pressing (506) arranged at the bottom surface of the needle pressing connecting plate (505), the supporting plate (503) is connected with the needle pressing connecting plate (505) through a plurality of connecting shafts (504), an adsorption plate (401) is arranged on the top surface of the needle pressing connecting plate (505), a UV lamp plate (70) is arranged on the bottom surface of the needle pressing connecting plate (505), and the lifting device (60) is used for driving the adsorption plate (401) to move along the vertical direction;
the spring pressing pins (506) penetrate through the UV lamp panel (70) and are used for pressing the welding strips (02) on the solar cell (01) to be in close contact with the UV adhesive (03);
M groups of adsorption holes are formed in the bottom surface of the adsorption plate (401), each group of adsorption holes are arranged in a row-column matrix mode, the row direction is perpendicular to the length direction of the welding strip (02), and the number of rows of each group of adsorption holes is greater than or equal to 3;
Each group of adsorption holes is controlled by a vacuum generator (30), each adsorption hole is connected with a sucker (402), and the adsorption end of each sucker (402) sequentially passes through a pressure needle connecting plate (505) and a UV lamp panel (70) and is used for adsorbing a corresponding welding strip (02);
The UV lamp panel (70) comprises a plurality of UV lamp beads (702), and the plurality of UV lamp beads (702) are used for corresponding to positions of UV adhesives (03) on the solar cell (01) so as to solidify the UV adhesives (03).
2. The solder strip handling and UV precuring mechanism of claim 1 wherein:
The M groups of adsorption holes are sequentially formed along the length direction of the welding strip (02);
The M groups of adsorption holes are used for adsorbing the same long welding strip (021) on two adjacent solar cells (01) or the short welding strip (022) on the same solar cell (01).
3. The solder strip handling and UV precuring mechanism of claim 2 wherein:
The value of M is 4;
The four groups of adsorption holes are respectively a first group of adsorption holes (403), a second group of adsorption holes (404), a third group of adsorption holes (405) and a fourth group of adsorption holes (406);
The first group of adsorption holes (403) and the second group of adsorption holes (404) are used for adsorbing long welding strips (021) on a first solar cell (01) and a second solar cell (01) in three solar cells (01) which are sequentially and continuously arranged, and the third group of adsorption holes (405) and the fourth group of adsorption holes (406) are used for adsorbing long welding strips (021) on a second solar cell (01) and a third solar cell (01) in three solar cells (01) which are sequentially and continuously arranged.
4. A solder strip handling and UV precuring mechanism in accordance with claim 3 wherein:
The first group of adsorption holes (403) and the second group of adsorption holes (404) are also used for simultaneously adsorbing the short solder strips (022) on the last solar cell (01) in the previous non-main grid XBC cell string and the short solder strips (022) on the first solar cell (01) in the next non-main grid XBC cell string.
5. A solder strip handling and UV precuring mechanism according to any of claims 1 to 4 wherein:
The UV lamp panel (70) comprises a substrate (701) arranged on the bottom surface of the press pin connecting plate (505), a plurality of UV lamp beads (702) arranged on the bottom surface of the substrate (701) and a shading component, wherein the shading component comprises a shading plate (703) and a plurality of shading foam pieces (704), the shading plate (703) is positioned at the end part of the substrate (701) close to an adjacent carrying pre-curing unit so as to shade UV glue (03) on an adjacent solar cell piece (01), the plurality of shading foam pieces (704) are divided into a plurality of rows, and one UV lamp bead (702) is arranged between the adjacent shading foam pieces (704) in each row of shading foam pieces (704) so as to shade the UV lamp beads (702);
the spring pressing pins (506) penetrate through the substrate (701) and are arranged in a row-column matrix mode, and the column direction of the spring pressing pins (506) is parallel to the extending direction of the welding strip (02).
6. The solder strip handling and UV precuring mechanism of claim 5 wherein:
The moving device (20) comprises a linear motor (201) and a mounting plate (202) arranged at the driving end of the linear motor (201), wherein the vacuum generator (30) is arranged on the mounting plate (202);
the lifting device (60) comprises a lifting assembly arranged on the mounting plate (202), a guide rail connecting plate (604) arranged at the driving end of the lifting assembly, and a linear guide rail (605) arranged on the guide rail connecting plate (604);
The lifting assembly comprises a servo motor (601), a screw rod (602) and a lifting air cylinder connecting plate (603), wherein the servo motor (601) is arranged on the mounting plate (202), the driving end of the servo motor is connected with the lifting air cylinder connecting plate (603) through the screw rod (602), and the guide rail connecting plate (604) is arranged on the lifting air cylinder connecting plate (603);
the needle pressing driving assembly comprises a needle pressing cylinder (501) and a needle pressing cylinder connecting plate (502), wherein the needle pressing cylinder (501) is arranged on a linear guide rail (605), the driving end of the needle pressing cylinder is connected with the needle pressing cylinder connecting plate (502), and the supporting plate (503) is arranged on the needle pressing cylinder connecting plate (502).
7. A solder strip handling and UV pre-curing method employing a solder strip handling and UV pre-curing mechanism according to claim 1, comprising the steps of:
step 1, cutting a welding strip (02) to be carried according to a preset length and placing the welding strip in a loading area;
Step 2, starting a corresponding vacuum generator (30) according to the length and the position of a welding strip (02), then lowering an adsorption plate (401) to a loading area of the welding strip (02) by a lifting device (60), adsorbing the corresponding welding strip (02) by each sucking disc (402) on the adsorption plate (401), driving the adsorption plate (401) to rise to a moving position by the lifting device (60), then horizontally moving the adsorption plate (401) by a moving device (20), carrying the welding strip (02) above a solar cell (01), then driving the adsorption plate (401) to descend by the lifting device (60), placing each welding strip (02) at a preset position on the solar cell (01), and then starting a pin pressing driving assembly of a pin pressing device (50), wherein the pin pressing driving assembly drives each spring pin pressing (506) to press the corresponding welding strip (02) on UV glue (03) of the solar cell (01);
Step 3, starting UV lamp beads (702) on a UV lamp panel (70), and performing partial pre-curing on UV adhesive (03) between the welding belt (02) and the solar cell (01);
step 4, closing the vacuum generator (30) started in the step 2 to remove the adsorption state of the adsorption plate (401) and all the welding strips (02), and then driving the adsorption plate (401) to ascend by the lifting device (60) to return to the initial height;
and 5, driving the adsorption plate (401) to return to the loading area by the moving device (20), and starting a new round of operation according to the steps 2-4 until the carrying and UV pre-curing of the welding strips (02) of all the solar cells (01) are completed.
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| CN114649439A (en) * | 2020-12-18 | 2022-06-21 | 苏州辰正太阳能设备有限公司 | Welding and carrying line of high-speed series welding machine |
| CN117747706A (en) * | 2023-12-29 | 2024-03-22 | 苏州沃特维自动化系统有限公司 | Method and device for laminating and curing dense grid glue to interconnect photovoltaic modules |
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| WO2014046810A1 (en) * | 2012-09-24 | 2014-03-27 | Dow Corning Corporation | Systems and methods for press curing photovoltaic cell module preassemblies |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114649439A (en) * | 2020-12-18 | 2022-06-21 | 苏州辰正太阳能设备有限公司 | Welding and carrying line of high-speed series welding machine |
| CN117747706A (en) * | 2023-12-29 | 2024-03-22 | 苏州沃特维自动化系统有限公司 | Method and device for laminating and curing dense grid glue to interconnect photovoltaic modules |
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