CN218769576U - Photovoltaic cell string manufacturing equipment - Google Patents

Abstract

The utility model discloses a photovoltaic cell cluster manufacture equipment should make equipment and include that feed mechanism, welding take feed mechanism, tool go up winding mechanism, welding mechanism, coating solidification mechanism to and battery cluster conveying mechanism. Sequentially placing a plurality of welding strips and battery pieces which are cut into lengths required by the process through a traction mechanism and a manipulator, so that the front and back surfaces of adjacent batteries are pre-welded into a battery string by the aid of the plurality of welding strips; and the front and back sides of the battery string are coated with adhesive points in the subsequent working process, the risk of poor lap joint is thoroughly eliminated through curing, the composite film and PAD points on the front and back sides of the battery piece are eliminated, the surface shielding of the photovoltaic battery piece is reduced, the use of silver paste is reduced, and the cost is greatly reduced.

Description

Photovoltaic cell string manufacturing equipment

Technical Field

The utility model relates to a solar photovoltaic equipment makes technical field, and more specifically says, relates to a high-speed coating adhesive battery cluster manufacture equipment of solar photovoltaic.

Background

In the field of manufacturing of solar photovoltaic equipment at home and abroad, solar photovoltaic series welding equipment exists in the prior art, a main grid of a battery piece and a metal wire are welded through silver paste in the manufacturing process of the battery string, the requirement on the alignment degree of the position between the metal wire and the main grid of the battery piece is high, the main grid of the metal wire battery piece is small in connection welding contact area, and the welding performance is general. In addition, the light transmission performance is also greatly influenced by silver paste welding;

in addition, a main grid-free welding technology is adopted, a single battery string unit is manufactured by a transparent composite film and a metal wire and then is connected with a battery product, and in the subsequent manufacturing process of a photovoltaic module, low-melting-point alloy on the surface of the metal wire is connected with a grid line through lamination.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model provides a battery string manufacturing device, which has the advantages that the traditional string welding technology has higher requirements on welding precision and higher cost of silver paste, and the defects that a complex film is needed to be used in the non-main grid welding technology to cause serious optical shielding and the cost of the complex film is higher, which is not beneficial to technical popularization and progress, and the welding between battery pieces easily causes the problems of light transmittance reduction, conductivity reduction, insufficient welding strength and the like; through the equipment of the structure and the connected mode of the solder strip that the design is used for establishing ties the battery piece to effectively solve battery piece luminousness decline, electric conductivity reduction scheduling problem.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the utility model is a photovoltaic cell string manufacturing device, which comprises a feeding mechanism, a feeding mechanism and a battery piece feeding mechanism, wherein the feeding mechanism comprises a material box conveying track, a material box lifting mechanism, a battery piece feeding mechanism, a battery piece conveying track and a battery piece on-line mechanism; the welding strip feeding mechanism comprises an unreeling mechanism, a cutting mechanism and a traction mechanism; the jig wire feeding and discharging mechanism comprises a jig wire feeding mechanism and a jig wire discharging mechanism; the welding mechanism is used for welding the welding strip and the battery piece to form a battery string; the coating and curing mechanism comprises a front coating and curing mechanism, a battery string turnover mechanism and a back coating and curing mechanism; battery cluster conveying mechanism, including belt conveyor structure.

As a further improvement, the material box conveying track adopts belt transmission, and a battery piece material box is placed on the material box conveying track, a plurality of battery pieces are stacked in the battery piece material box, and one end of the material box conveying track is connected with the material box lifting mechanism.

As a further improvement, the last lift platform that is equipped with of magazine elevating system, the last driving belt that is equipped with of lift platform, driving belt with magazine delivery track aligns, and the battery piece magazine is by the motion of magazine delivery track to lift platform on.

As a further improvement of the utility model, the battery piece feed mechanism output is connected with grabs the board, the suction nozzle is installed at the both ends of grabbing the board, it is located to snatch the board lift platform top and all the time with lift platform is parallel, the suction nozzle snatchs the battery piece and places the one end at battery piece runway, the battery piece runway other end is equipped with CCD locating platform.

As a further improvement, the manufacturing equipment still includes the manipulator, the manipulator is installed in CCD locating platform place department, the last line mechanism of battery piece is mechanical manipulator sucking disc module, and manipulator sucking disc module is used for snatching and places the battery piece.

As a further improvement, the manufacturing equipment further comprises a manipulator, the manipulator is installed in CCD positioning platform place, tool online mechanism includes the manipulator magnetic module on the manipulator, manipulator magnetic module is used for snatching and places main tool, tool offline mechanism is including main instrument offline mechanism.

As a further improvement, the wire feeding mechanism of the jig further comprises an auxiliary wire feeding mechanism of the jig, and the wire feeding mechanism of the jig further comprises an auxiliary wire feeding mechanism of the jig.

As a further improvement, the line mechanism still includes tool positioning mechanism and tool backward flow runway on the tool, vice tool mechanism of inserting the line with main treatment utensil mechanism of inserting the line snatchs back with vice tool and main treatment utensil and places and flow back on tool backward flow runway.

As a further improvement of the utility model, it still includes scaling powder appearance pond to weld area feed mechanism, the last area that welds that is equipped with of unwinding mechanism, it is the composite metal line to weld the area, the scaling powder holds the one end that the pond is located unwinding mechanism, drive mechanism draws and gets to weld the area and successively hold the pond and cut the mechanism through the scaling powder, weld the area surface and hold pond coating scaling powder through the scaling powder, cut into the stranded solder strip through cutting the mechanism again.

As a further improvement, the welding mechanism includes a first heating module and a second heating module, the first heating module heats the bottom of the battery string, and the second heating module heats the upper surface of the battery string.

As a further improvement of the utility model, the heating mode adopts infrared heating.

As a further improvement of the present invention, the front coating and curing mechanism and the back coating and curing mechanism each include a coating mechanism and a curing mechanism.

As a further improvement of the present invention, the battery string turning mechanism further comprises a heating device, and the heating device heats the battery string in the carrying process.

As a further improvement of the present invention, the coating and curing mechanism includes two sets of the battery string turning mechanism and the back coating and curing mechanism which are arranged in a matching manner.

As a further improvement, the battery string turnover mechanism is adjacent to the battery string conveying mechanism, and the battery string turnover mechanism is used for placing the battery string after being coated and cured on the conveying belt of the battery string conveying mechanism, and transmitting the manufactured battery string to the next station to complete the battery string manufacturing process.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect: the utility model discloses a battery cluster that photovoltaic cell cluster equipment was made is by at least one afterbody battery piece, prelude battery piece and at least one middle battery piece, welds into the battery cluster with the battery piece main back, welding strip welding together in the manufacturing process. Sequentially placing a plurality of strands of metal wires and battery pieces which are cut into lengths required by the process through a traction mechanism and a manipulator, so that the front and back surfaces of the connected batteries are pre-welded into a battery string by a plurality of strands of welding strips; and adhesive coating and adhesive curing are carried out in the subsequent working process, so that the risk of poor lap joint is completely eliminated. The method reduces the requirement of the alignment degree of the positions between the welding strips and the battery piece fine grids, and is favorable for simplifying the manufacturing process of the battery string. Meanwhile, PAD points on the front surface and the back surface of the composite film and the battery piece are eliminated, the use of silver paste is reduced while the surface shielding of the photovoltaic battery piece is reduced, the cost is greatly reduced, and the bonding force between the welding strip and the battery piece is improved by coating adhesive on the two surfaces and solidifying. Further, battery cluster tilting mechanism still includes heating device, and it maintains the temperature in battery cluster handling for weld and take thermal stress can slowly release, and guarantee the uniform temperature, can guarantee that welding process and upset worker station difference in temperature can not be too big, guarantee that great stress releases after the coating, and then improve the stability of battery cluster electric property. Furthermore, the photovoltaic cell string manufacturing equipment comprises two sets of cell string turning mechanisms and a back coating and curing mechanism, and can achieve the effect of quickly coating adhesive points on the back of the cell string and curing, and improve the productivity.

Drawings

Fig. 1 is a schematic view of the overall structure of a photovoltaic cell string manufacturing apparatus.

Fig. 2 is a schematic perspective view of a cartridge delivery track.

Fig. 3 is a schematic perspective view of the magazine lifting mechanism.

Fig. 4 is a schematic perspective view of a battery piece feeding mechanism.

Fig. 5 is a schematic perspective view of a cell conveying track.

Fig. 6 is a schematic perspective view of the robot.

Fig. 7 is a schematic perspective view of a jig reflow track.

Fig. 8 is a schematic perspective view of the main device with a thread take-off mechanism.

Fig. 9 is a perspective view of the traction mechanism.

Fig. 10 is a perspective view of the cutting mechanism.

The reference numbers in the schematic drawings illustrate:

100. a feeding mechanism; 101. a magazine delivery track; 102. a magazine lifting mechanism; 103. a battery piece feeding mechanism; 104. a battery piece conveying track; 105. a manipulator; 101a, a battery piece material box; 102a, a lifting platform; 103a, a grabbing plate; 103a-1, a suction nozzle; 104a, a positioning platform; 105a, a robot sucker module; 105b, a robot magnetic module;

200. a solder strip feeding mechanism; 201. an unwinding mechanism; 202. a soldering flux containing pool; 203. a traction mechanism; 204. a cutting mechanism;

300. a jig wire feeding and discharging mechanism; 301. a jig positioning mechanism; 302. the jig flows back to the runway; 303. the main instrument is provided with a line-dropping mechanism; 304. the auxiliary jig feeding mechanism; 305. the auxiliary jig is arranged on the wire feeding mechanism;

400. a welding mechanism;

500. a coating and curing mechanism; 501. a front coating and curing mechanism; 502. a battery string turnover mechanism; 503. a back coating and curing mechanism;

600. battery cluster conveying mechanism.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose. In addition, the terms "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Example 1

The utility model discloses a first embodiment, this embodiment provides a photovoltaic cell cluster manufacture equipment, and the whole equipment picture refers to fig. 1, and it includes feed mechanism 100, installs on one side of the frame, including magazine transport runway 101, magazine elevating system 102, battery piece feed mechanism 103, battery piece transport runway 104, manipulator sucking disc module 105a, wherein, manipulator sucking disc module 105a can snatch the battery piece and place;

the welding strip feeding mechanism 200 comprises an unreeling mechanism 201, a cutting mechanism 204 and a traction mechanism 203; and (c) a second step of,

the jig feeding and discharging mechanism 300 comprises a jig feeding mechanism, a jig discharging mechanism, a jig positioning mechanism 301 and a jig backflow runway 302;

the welding mechanism 400 comprises a first heating module and a second heating module, wherein the first heating module heats the bottom of the battery string, and the second heating module heats the upper surface of the battery string;

the coating and curing mechanism 500 comprises a front coating and curing mechanism 501, a battery string overturning mechanism 502 and a back coating and curing mechanism 503;

and a battery string conveying mechanism 600 including a belt conveying structure.

Wherein, feed mechanism 100 is parallel with welding mechanism 400, and manipulator 105 is located whole frame intermediate position to manipulator sucking disc module 105a and manipulator magnetic module 105b snatch and place battery piece and main tool.

Specifically, referring to fig. 1 and 2, a magazine conveying track 101 in a feeding mechanism 100 is driven by a belt, a battery sheet magazine 101a is placed on the magazine conveying track 101, a plurality of battery sheets are stacked in an inner layer of the battery sheet magazine 101a, one end of the magazine conveying track 101 is connected with a magazine lifting mechanism 102, referring to fig. 3, a lifting platform 102a is arranged on the magazine lifting mechanism 102, a driving belt is arranged on the lifting platform 102a, the driving belt is aligned with the magazine conveying track 101, and the battery sheet magazine is conveyed to the lifting platform 102a by the magazine conveying track 101. Referring to fig. 4, the output end of the battery piece feeding mechanism 103 is connected with a grabbing plate 103a, two ends of the grabbing plate 103a are provided with suction nozzles 103a-1, the grabbing plate 103a is located above the lifting platform 102a and is always parallel to the lifting platform 102a, the suction nozzles 103a-1 grab the battery pieces in the battery piece box 101a and place the battery pieces at one end of the battery piece conveying track 104, the other end of the battery piece conveying track 104 is provided with a CCD positioning platform 104a, and the manipulator 105 is installed at the position of the CCD positioning platform. When the device works, the battery pieces are stacked and placed in a prefabricated material box to be fed and conveyed, the battery pieces are respectively placed on the transmission belt to be conveyed through lifting, slicing and grabbing of the material box, the battery pieces are detected through the CCD and are undetermined on the positioning platform. When all the battery sheets in the battery sheet box 101a are grabbed by the battery sheet feeding mechanism 103, the material box lifting mechanism 102 descends to convey the battery sheet box 101a to the material box positioned below the material box conveying runway 101 to return to the runway for backflow. In addition, the battery piece on-line mechanism is mechanical 105 manipulator sucker module 105a, and the manipulator sucker module 105a is used for grabbing the battery piece and placing the battery piece on the station of the battery string processing platform.

Further, the solder strip feeding mechanism 200 includes an unwinding mechanism 201, a soldering flux containing pool 202, a cutting mechanism 204, and a drawing mechanism 203. The unwinding mechanism 201 is provided with a welding strip which is a composite metal wire, the soldering flux containing pool 202 is located at one end of the unwinding mechanism, the traction mechanism 203 draws the welding strip to pass through the soldering flux containing pool 202 and the cutting mechanism 204 in sequence, the surface of the welding strip is coated with the soldering flux with micron-sized thickness through the soldering flux containing pool 202, and the welding strip is cut into a plurality of strands of welding strips with the soldering flux through the cutting mechanism 204. When the device works, the multi-strand welding strips are cut into the head and tail multi-strand welding strips and the middle multi-strand welding strips with the length required by the process through the unreeling mechanism 201, the soldering flux containing pool, the cutting mechanism 204 and the traction mechanism 203, and are placed on a station of the battery string processing platform. The lengths of the first and tail multi-strand welding strips exceed the battery piece for a distance, so that the external electrical property of the battery string can be conveniently led out. The middle multi-strand welding strip is cut into the middle multi-strand welding strips which are arranged in an equal mode through the length between any adjacent battery pieces on the middle multi-strand welding strip line through the cutting mechanism, and the adjacent battery pieces are electrically connected through the middle multi-strand welding strips.

Further, the jig feeding and discharging mechanism includes a jig feeding mechanism, a jig discharging mechanism, a jig positioning mechanism 301, and a jig return runway 302. The jig feeding mechanism comprises a manipulator magnetic module 105b on a manipulator 105, the manipulator magnetic module 105b is used as an indication jig feeding mechanism and used for grabbing and placing a main jig, and the jig unloading mechanism comprises an indication jig unloading mechanism 303. During operation, the manipulator magnetic module 105b picks the main jig and is matched with the solder strip feeding mechanism to complete placement of the solder strip, the battery piece and the main jig. The jig positioning mechanism 301 is disposed at one end of the jig reflow runway 302, the main jig unloading mechanism 303 is disposed at the other end of the jig reflow runway 302, and the jig positioning mechanism 301 is connected to the CCD positioning platform 104 a.

Optionally, the jig feeding mechanism may further include a sub jig feeding mechanism 304, and the jig discharging mechanism may further include a sub jig discharging mechanism 305. The auxiliary jig feeding mechanism 304 grabs the auxiliary jig to be placed on the battery piece, and ensures that the welding strip and the battery piece are tightly attached in the welding and coating processes.

Specifically, referring to fig. 1, a plurality of welding strips cut to the length required by the process are placed on a battery string processing platform station through a traction mechanism, the battery pieces are grabbed and placed through a mechanical arm sucker module 105a, and the steps of cutting, placing the welding strips and placing the battery pieces are repeated to form the battery string in a stacking mode on the battery string processing platform station. Specifically, firstly, the solder strip cut into a required length is moved to a working position through a traction mechanism, the battery piece is grabbed and placed on the solder strip through the manipulator sucker module 105a and moved to a next working position, the battery piece is cut into a plurality of middle solder strips through the unreeling mechanism 201, the soldering flux containing pool 202, the cutting mechanism 204 and the traction mechanism 203, the middle solder strips are placed on the upper surface of the battery piece through the traction mechanism, the middle solder strips comprise front end parts and rear end parts, the front end parts of the solder strips are located on the upper surface of the battery, the manipulator sucker module 105a grabs the battery piece and places the battery piece on the rear end parts of the plurality of solder strips, the rear end parts of the solder strips are enabled to be attached to the back surface of the battery piece, and meanwhile, the manipulator magnetic module 105b grabs a main tool and places the main tool on the surface of the battery piece on which the front end parts of the solder strips are stacked, so that the front end parts of the solder strips on the surface of the battery piece are attached to the battery piece. The battery string conveying belt moves to the next station, the auxiliary jig feeding mechanism grabs the auxiliary jigs and places the auxiliary jigs at the two side positions of the main battery piece curing tool, so that the upper and lower stranded welding strips on the battery pieces are tightly attached to the battery pieces, and the battery string conveying belt moves to the welding station.

In this embodiment, the battery string welding platform includes a welding mechanism 400, and the welding mechanism 400 includes a first heating module that heats the bottom of the battery string and a second heating module that heats the upper surface of the battery string. The heating module can adopt an infrared tube for heating, so that the upper and lower stranded welding strips are welded with the front and back surfaces of the battery piece to form a battery string. The temperature of all heating elements can be fed back by using a thermocouple, a pyrometer and the like, the trend of measured data can be displayed on the HMI, and the stability of welding temperature is ensured. It may also be welded in other ways, such as microwave heating or laser heating.

After the soldering process is performed, a coating and curing process is performed by the coating and curing mechanism 500 to coat adhesive spots on the designated locations of the battery strings. The designated position can be on the thin grid line, also can be the position between thin grid line both sides, and it is through the purpose that the adhesion point reaches the constraint solder strip after the solidification, and the process of coating the adhesion point at the designated position, optional, use the camera to carry out the assistance-localization real-time, guarantee that the adhesion point position can form better connection with the solder strip.

The coating and curing mechanism 500 includes a front coating and curing mechanism 501, a cell string turning mechanism 502, and a back coating and curing mechanism 503. In the process of coating the front surface of the battery string, the welding strip and the battery piece are welded after the welding process, so that the main and auxiliary jigs can be removed to perform the coating operation.

Preferably, in consideration of operation stability, the welding strip head and tail parts are ensured to be tightly attached to the surfaces of the battery pieces, meanwhile, the welding strip and the battery pieces are ensured to be always in a binding state before the coating adhesive points are fixed, and the coating can be carried out by using the strip jig on the premise of ensuring that the work of the coating mechanism is not interfered. When the strip jig is used for coating, one of the main jig and the auxiliary jig can be attached to the battery piece for coating, or at least one of the main jig and the auxiliary jig is hollowed out, so that the strip jig can be coated at the hollowed-out position of the jig, or the two modes are combined, namely, at least one jig is attached to the battery piece in the coating process. After the front coating and curing operation is completed on the front surface of the whole battery string, the battery string is turned over by the battery string turning mechanism 502, the turned-over battery string is positioned below the back coating and curing mechanism 503, and the back coating and curing mechanism 503 coats adhesive points on the back surface of the battery string and cures the battery string.

Optionally, the battery string turning mechanism 503 further includes a heating device, which can maintain the battery string within a certain temperature range during the transportation process, so that the thermal stress of the metal can be slowly released, and a certain temperature is ensured, the temperature range is between 40 ℃ and 140 ℃, which can ensure that the temperature difference between the welding process and the turning station is not too large, and ensure that the larger stress is released after the adhesive point is cured. After welding, the welding strip and the fine grid form stable connection, and the bonding force is greater than that of the fine grid and the cell.

Optionally, the coating and curing mechanism 500 includes two sets of the battery string turning mechanism 502 and the back coating and curing mechanism 503, and as described with reference to fig. 1, the battery string turning mechanism 502 and the back coating and curing mechanism 503 are disposed at two sides of the battery string conveying mechanism 600, and may also be disposed at one side of the battery string conveying mechanism 600. The embodiment can achieve the effect of quickly coating and curing the adhesive points on the back of the battery string, and improve the productivity.

In addition, the battery string turnover mechanism 503 is arranged adjacent to the battery string conveying mechanism 600, and after the back adhesive points of the battery strings are subjected to the curing process, the battery strings are placed on the conveyer belt of the battery string conveying mechanism 600 through the battery string turnover mechanism 503, and the manufactured battery strings are conveyed to the next station, so that the battery string manufacturing process is completed.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (7)

1. A photovoltaic cell string manufacturing apparatus characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the feeding mechanism (100) comprises a material box conveying track (101), a material box lifting mechanism (102), a battery piece feeding mechanism (103), a battery piece conveying track (104) and a battery piece wiring mechanism;

the welding strip feeding mechanism (200) comprises an unreeling mechanism (201), a cutting mechanism (204) and a traction mechanism (203);

the jig wire feeding and discharging mechanism (300) comprises a jig wire feeding mechanism and a jig wire discharging mechanism;

the welding mechanism (400) is used for welding the welding strip and the battery piece to form a battery string;

the coating and curing mechanism (500) comprises a front coating and curing mechanism (501), a battery string turning mechanism (502) and a back coating and curing mechanism (503);

a battery string conveying mechanism (600) comprising a belt conveying structure;

the battery piece conveying track (101) is driven by a belt, a battery piece material box (101 a) is placed on the material box conveying track, a plurality of battery pieces are stacked in the battery piece material box (101 a), and one end of the material box conveying track (101) is connected with the material box lifting mechanism (102);

a lifting platform (102 a) is arranged on the material box lifting mechanism (102), a transmission belt is arranged on the lifting platform (102 a), the transmission belt is aligned with the material box conveying track (101), and the battery piece material box moves to the lifting platform (102 a) from the material box conveying track (101);

the output end of the battery piece feeding mechanism (103) is connected with a grabbing plate (103 a), two ends of the grabbing plate (103 a) are provided with suction nozzles (103 a-1), the grabbing plate (103 a) is positioned above the lifting platform (102 a) and is always parallel to the lifting platform (102 a), the suction nozzles (103 a-1) grab battery pieces and place the battery pieces at one end of a battery piece conveying track (104), and the other end of the battery piece conveying track (104) is provided with a CCD positioning platform (104 a);

the jig unloading mechanism comprises a main jig unloading mechanism (303);

the jig feeding mechanism further comprises a secondary jig feeding mechanism (304), and the jig discharging mechanism further comprises a secondary jig discharging mechanism (305);

the jig feeding and discharging mechanism (300) further comprises a jig positioning mechanism (301) and a jig backflow track (302), and the auxiliary jig feeding mechanism (305) and the main jig feeding mechanism (303) grab and place the auxiliary jig and the main jig on the jig backflow track (302) for backflow;

the welding strip feeding mechanism (200) further comprises a soldering flux containing pool (202), a welding strip is arranged on the unwinding mechanism (201), the welding strip is a composite metal wire, the soldering flux containing pool (202) is located at one end of the unwinding mechanism, the traction mechanism (203) pulls the welding strip to pass through the soldering flux containing pool (202) and the cutting mechanism (204), the surface of the welding strip is coated with soldering flux through the soldering flux containing pool (202), and the welding strip is cut into a plurality of strands of welding strips through the cutting mechanism (204);

the welding mechanism (400) comprises a first heating module and a second heating module, the first heating module heats the bottom of the battery string, and the second heating module heats the upper surface of the battery string;

the battery string turning mechanism (502) is arranged adjacent to the battery string conveying mechanism (600), the battery string turning mechanism (502) places the coated and cured battery strings on a conveyor belt of the battery string conveying mechanism (600), and the manufactured battery strings are conveyed to the next station, so that the battery string manufacturing process is completed.

2. The photovoltaic cell string manufacturing apparatus according to claim 1, characterized in that: the manufacturing equipment further comprises a manipulator (105), wherein the manipulator (105) is installed at the position of the CCD positioning platform, the battery piece on-line mechanism is a manipulator sucker module (105 a) on the manipulator (105), and the manipulator sucker module (105 a) is used for grabbing and placing the battery piece.

3. The photovoltaic cell string manufacturing apparatus according to claim 1, characterized in that: the manufacturing equipment further comprises a manipulator (105), the manipulator (105) is installed at the position where the CCD positioning platform is located, the jig feeding mechanism comprises a manipulator magnetic module (105 b) on the manipulator (105), and the manipulator magnetic module (105 b) is used for grabbing and placing the main jig.

4. The photovoltaic cell string manufacturing apparatus according to claim 1, characterized in that: the heating mode of the welding mechanism (400) adopts infrared heating.

5. The photovoltaic cell string manufacturing apparatus according to claim 1, characterized in that: the front coating and curing mechanism (501) and the back coating and curing mechanism (503) comprise a coating mechanism and a curing mechanism.

6. The photovoltaic cell string manufacturing apparatus according to claim 1, characterized in that: the battery string turnover mechanism (502) further comprises a heating device, and the heating device heats the battery strings in the carrying process.

7. The photovoltaic cell string manufacturing apparatus according to claim 1, characterized in that: the coating and curing mechanism (500) comprises two sets of the battery string overturning mechanisms (502) and a back coating and curing mechanism (503) which are arranged in a matched mode.

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