Automatic feeding device for solar cell screen printing

Abstract

The utility model discloses an automatic feeding device for solar cell screen printing, which comprises a working plate and a storage mechanism, and two groups of positioning mechanisms for adsorbing and positioning solar cells are fixedly mounted on the working plate and on one side of the storage mechanism. A discharging mechanism for automatic discharging is fixedly installed on the top of the working plate and located on one side of the positioning mechanism, and a transferring mechanism for transferring the solar cells on the storage mechanism, the positioning mechanism and the discharging mechanism is fixedly installed on the working plate. The transfer mechanism can transfer the solar cells on the storage mechanism to the positioning mechanism for positioning, so that deviation can be prevented during silk-screen printing, and the transfer mechanism can drive the solar cells to transfer to the discharging mechanism for automatic discharging after printing is completed. The automatic feeding device is high in automation degree, excessive manual participation is not needed, and the printing efficiency is improved to a certain degree.

Description

TECHNICAL FIELD

[0001] The utility model relates to solar cell processing technical field, concretely is a kind of automatic feeding device for solar cell screen printing. BACKGROUND

[0002] Solar cell screen printing is a common manufacturing process, mainly used for printing metal electrode on solar cell piece, usually silver electrode as positive contact, aluminum as back contact, and printing other functional materials in some cases. Screen printing is crucial for improving the photoelectric conversion efficiency of solar cell.

[0003] In the prior art, a large amount of manual assistance is required in screen printing feeding, and solar cells are brittle in texture, therefore, manual feeding is easy to cause damage to solar cells, and the feeding rate is poor, and in the process of screen printing, if the solar cell is displaced, it is easy to affect the printing efficiency, therefore, we propose an automatic feeding device for solar cell screen printing. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an automatic feeding device for solar cell screen printing to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automatic feeding device for solar cell screen printing, comprising a workbench, a support frame is fixedly installed at the bottom of the workbench, a storage mechanism for storing solar cells is fixedly installed at the top of the workbench, two groups of positioning mechanisms for adsorbing and positioning solar cells are fixedly installed on one side of the workbench above the storage mechanism, a discharging mechanism for automatic discharging is fixedly installed on one side of the positioning mechanism at the top of the workbench, and a transfer mechanism for transferring solar cells on the storage mechanism, positioning mechanism and discharging mechanism is fixedly installed on the workbench.

[0006] Further, the positioning mechanism comprises a first support column, a positioning frame, an air extraction pipe and an adsorption hole, the positioning frame is fixedly installed on the workbench by two groups of first support columns, a plurality of adsorption holes are formed through the positioning frame, and an air extraction pipe communicating with the adsorption hole is arranged through one side of the positioning frame.

[0007] Further, the transfer mechanism comprises electric sliding rails, electric sliding blocks, a first mounting plate, a driving cylinder and a transfer plate, two groups of electric sliding rails are fixedly installed on the top of the work plate, the first mounting plate is slidably connected to the electric sliding rails through the electric sliding blocks, the driving cylinder is fixedly installed on the top of the first mounting plate, the output end of the driving cylinder is fixedly connected with the transfer plate, two groups of positioning pipes are fixedly installed on the top of the first mounting plate, and the hollow pipes are slidably connected to the positioning pipes.

[0008] Further, the transfer mechanism comprises electric sliding rails, electric sliding blocks, a first mounting plate, a driving cylinder and a transfer plate, two groups of electric sliding rails are fixedly installed on the top of the work plate, the first mounting plate is slidably connected to the electric sliding rails through the electric sliding blocks, the driving cylinder is fixedly installed on the top of the first mounting plate, the output end of the driving cylinder is fixedly connected with the transfer plate, two groups of positioning pipes are fixedly installed on the top of the first mounting plate, and the hollow pipes are slidably connected to the positioning pipes.

[0009] Further, the transfer mechanism comprises electric sliding rails, electric sliding blocks, a first mounting plate, a driving cylinder and a transfer plate, two groups of electric sliding rails are fixedly installed on the top of the work plate, the first mounting plate is slidably connected to the electric sliding rails through the electric sliding blocks, the driving cylinder is fixedly installed on the top of the first mounting plate, the output end of the driving cylinder is fixedly connected with the transfer plate, two groups of positioning pipes are fixedly installed on the top of the first mounting plate, and the hollow pipes are slidably connected to the positioning pipes.

[0010] Further, the transfer mechanism comprises electric sliding rails, electric sliding blocks, a first mounting plate, a driving cylinder and a transfer plate, two groups of electric sliding rails are fixedly installed on the top of the work plate, the first mounting plate is slidably connected to the electric sliding rails through the electric sliding blocks, the driving cylinder is fixedly installed on the top of the first mounting plate, the output end of the driving cylinder is fixedly connected with the transfer plate, two groups of positioning pipes are fixedly installed on the top of the first mounting plate, and the hollow pipes are slidably connected to the positioning pipes.

[0011] Compared with the prior art, the utility model discloses the following beneficial effects: the storage mechanism and the conveying mechanism of the utility model are located at the same horizontal plane, the solar cell that needs to be processed is stored, then the transfer mechanism can transfer the solar cell on the storage mechanism to the positioning mechanism for positioning, so that the deviation during silk screen printing can be prevented, and after printing, the transfer mechanism can drive the solar cell to be transferred to the blanking mechanism for automatic blanking. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the first perspective view structural diagram of the utility model.

[0013] Figure 2 It is the second perspective view structural diagram of the utility model.

[0014] Figure 3 It is the A structure enlarged diagram of the utility model.

[0015] Figure 4 The utility model discloses a blanking mechanism perspective view structure schematic diagram.

[0016] In the drawing: 1 workboard, 2 support frame, 3 storage mechanism, 4 transfer mechanism, 5 positioning mechanism, 6 blanking mechanism, 7 first support column, 8 positioning frame, 9 suction pipe, 10 adsorption hole, 11 electric slide rail, 12 electric sliding block, 13 first mounting plate, 14 drive cylinder, 15 transfer plate, 16 hollow pipe, 17 positioning pipe, 18 second support column, 19 second mounting plate, 20 driven rotating shaft, 21 driven synchronous pulley, 22 driving rotating shaft, 23 driving synchronous pulley, 24 synchronous belt, 25 drive motor, 26 limit groove, 27 limit belt, 28 third support column, 29 storage rack. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0018] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a kind of automatic feeding device for solar cell screen printing, including workboard 1, the bottom of the workboard 1 is fixedly installed with support frame 2, the top of the workboard 1 is fixedly installed with the storage mechanism 3 of solar cell storage, the workboard 1 and located in the side of storage mechanism 3 Fixedly installed with two groups of positioning mechanism 5 for solar cell adsorption positioning, the top of the workboard 1 and located in the side of positioning mechanism 5 Fixedly installed with the blanking mechanism 6 of automatic blanking, the workboard 1 is fixedly installed with transfer mechanism 4, so that solar cell is transferred on storage mechanism 3, positioning mechanism 5 and blanking mechanism 6.

[0019] Wherein, the storage mechanism 3 of setting and the conveying mechanism of outside world are located at same horizontal plane, the solar cell of needing processing is stored, then the transfer mechanism 4 of setting can transfer solar cell on storage mechanism to positioning mechanism 5 and position, so that it can be completed to prevent the deviation when screen printing, when printing is completed, transfer mechanism 4 can drive solar cell to transfer to blanking mechanism 6 and automatically blank, such automatic feeding device is higher in degree of automation, need not too much manual participation, improves printing efficiency to a certain extent.

[0020] Please refer to Figure 1The storage mechanism 3 comprises third support columns 28 and a storage rack 29, the storage rack 29 is arranged in a "U" shape, and the storage rack 29 is fixedly installed on the workboard 1 through two groups of third support columns 28.

[0021] The storage mechanism 3 is arranged on the same horizontal plane as the conveying mechanism, and then the conveying mechanism moves the solar cell to be printed to the "U"-shaped storage rack 29.

[0022] Please refer to Figure 1 and Figure 2 The positioning mechanism 5 comprises first support columns 7, a positioning frame 8, an exhaust pipe 9 and adsorption holes 10, the positioning frame 8 is fixedly installed on the workboard 1 through two groups of first support columns 7, a plurality of adsorption holes 10 are arranged through the positioning frame 8, and the exhaust pipe 9 is arranged through one side of the positioning frame 8 and communicates with the adsorption holes 10.

[0023] When the solar cell is placed on the positioning frame 8, the vacuumizing equipment works, and the exhaust pipe 9 and the plurality of adsorption holes 10 are used to vacuumize, so that the solar cell can be fixed on the positioning frame 8 and cannot move.

[0024] Please refer to Figure 1 , Figure 2 and Figure 3 The transfer mechanism 4 comprises electric sliding rails 11, electric sliding blocks 12, first mounting plates 13, drive cylinders 14 and transfer plates 15, two groups of electric sliding rails 11 are fixedly installed on the top of the workboard 1, the first mounting plates 13 are slidably connected to the electric sliding rails 11 through the electric sliding blocks 12, the drive cylinders 14 are fixedly installed on the top of the first mounting plates 13, the transfer plates 15 are fixedly connected to the output ends of the drive cylinders 14, two groups of positioning pipes 17 are fixedly installed on the top of the first mounting plates 13, the hollow pipes 16 are slidably connected to the outside of the positioning pipes 17, and the top of the hollow pipes 16 is fixedly connected to the transfer plates 15.

[0025] When the solar cell needs to be transferred, the drive cylinders 14 work to make the transfer plates 15 retract, then the transfer plates 15 and the electric sliding blocks 12 move to the lower side of the storage rack 29 along the electric sliding rails 11, then the drive cylinders 14 extend, so that the solar cell on the storage rack 29 can be lifted, and then the solar cell can be moved to the upper side of the two groups of positioning mechanisms 5.

[0026] Please refer to Figure 1 and Figure 4The discharging mechanism 6 comprises a second supporting column 18, second mounting plates 19, driven rotating shafts 20, driving rotating shafts 22 and a synchronous belt 24. The second mounting plates 19 are arranged in two groups and are fixedly mounted on the workbench 1 through the second supporting column 18. The second mounting plates 19 are rotatably connected with the driven rotating shafts 20. The outer surfaces of the driven rotating shafts 20 are fixedly mounted with driven synchronous pulleys 21. The second mounting plates 19 are rotatably connected with the driving rotating shafts 22. The driving rotating shafts 22 are fixedly mounted with driving synchronous pulleys 23. The driven synchronous pulleys 21 and the driving synchronous pulleys 23 are connected through the synchronous belt 24. The second mounting plates 19 are fixedly mounted with driving motors 25 on one side. The output ends of the driving motors 25 are fixedly connected with the driving rotating shafts 22.

[0027] When the solar cells are placed on the synchronous belt 24, the driving motors 25 are started to drive the driving rotating shafts 20 and the driving synchronous pulleys 23 to rotate, so that the synchronous belt 24 can rotate along the driving synchronous pulleys 23 and the driven synchronous pulleys 21, thereby transferring the printed solar cells.

[0028] Please refer to Figure 1 and Figure 4 The driven synchronous pulleys 21 and the driving synchronous pulleys 23 are provided with limiting grooves 26. The inner walls of the synchronous belt 24 are fixedly connected with limiting belts 27 which are clamped with the limiting grooves 26.

[0029] When the synchronous belt 24 rotates, the limiting grooves 26 and the limiting belts 27 can limit the synchronous belt 24, so that the synchronous belt 24 can not be deviated and collided when transferring the solar cells.

[0030] When in use, first, the storage mechanism 3 is arranged at the same horizontal plane with the conveying mechanism outside, and the solar cell to be processed is stored, then the transfer mechanism 4 can transfer the solar cell on the storage mechanism to the positioning mechanism 5 for positioning, so that the deviation during silk screen printing is prevented, and after the printing is completed, the transfer mechanism 4 can drive the solar cell to be transferred to the unloading mechanism 6 for automatic unloading, so that the automatic feeding device has high automation degree, and the printing efficiency is improved to a certain extent. The storage mechanism 3 is arranged at the same horizontal plane with the conveying mechanism outside, then the conveying mechanism moves the solar cell to be printed to the U-shaped storage rack 29 for storage, after the solar cell is placed on the positioning frame 8, the vacuumizing equipment outside works, and the vacuumizing is performed by the suction pipe 9 and the plurality of suction holes 10, so that the solar cell is fixed on the positioning frame 8 and cannot move, when the solar cell needs to be transferred, the driving cylinder 14 operates, the transfer plate 15 is retracted, then the transfer plate 15 and the electric sliding block 12 move to the lower side of the storage rack 29 along the electric sliding rail 11, then the driving cylinder 14 is extended, so that the solar cell on the storage rack 29 is lifted, then the solar cell is moved to the upper side of the unloading mechanism 6, after the solar cell is placed on the synchronous belt 24, the driving motor 25 is started to operate, the driving motor 25 drives the driving shaft 20 and the driving synchronous pulley 23 to rotate, so that the synchronous belt 24 rotates along the driving synchronous pulley 23 and the driven synchronous pulley 21, so that the solar cell after printing is transferred and unloaded, when the synchronous belt 24 rotates, the limiting groove 26 and the limiting belt 27 can be used for limiting, so that the deviation and collision of the synchronous belt 24 during the transfer and unloading of the solar cell are prevented.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automatic feeding device for screen printing of solar cells, comprising a working plate (1), wherein a support frame (2) is fixedly installed at the bottom of the working plate (1), characterized in that: The top of the working plate (1) is fixedly installed with a storage mechanism (3) for storing solar cells. Two sets of positioning mechanisms (5) for adsorbing and positioning solar cells are fixedly installed on the working plate (1) and on one side of the storage mechanism (3). An automatic feeding mechanism (6) is fixedly installed on the top of the working plate (1) and on one side of the positioning mechanism (5). A transfer mechanism (4) for transferring solar cells on the storage mechanism (3), positioning mechanism (5) and feeding mechanism (6) is fixedly installed on the working plate (1).

2. The automatic feeding device for screen printing of solar cells according to claim 1, characterized in that: The positioning mechanism (5) includes a first support column (7), a positioning frame (8), an air extraction pipe (9), and an adsorption hole (10). The positioning frame (8) is fixedly installed on the working plate (1) by two sets of first support columns (7). Multiple sets of adsorption holes (10) are opened through the positioning frame (8). An air extraction pipe (9) communicating with the adsorption hole (10) is provided through one side of the positioning frame (8).

3. The automatic feeding device for screen printing of solar cells according to claim 2, characterized in that: The transfer mechanism (4) includes an electric slide rail (11), an electric slider (12), a first mounting plate (13), a drive cylinder (14), and a transfer plate (15). Two sets of electric slide rails (11) are fixedly installed on the top of the working plate (1). The first mounting plate (13) is slidably connected to the electric slide rail (11) via the electric slider (12). The drive cylinder (14) is fixedly installed on the top of the first mounting plate (13). The output end of the drive cylinder (14) is fixedly connected to the transfer plate (15). Two sets of positioning tubes (17) are fixedly installed on the top of the first mounting plate (13). A hollow tube (16) is slidably connected to the outside of the positioning tube (17). The top of the hollow tube (16) is fixedly connected to the transfer plate (15).

4. The automatic feeding device for screen printing of solar cells according to claim 3, characterized in that: The feeding mechanism (6) includes a second support column (18), a second mounting plate (19), a driven rotating shaft (20), a driving rotating shaft (22), and a timing belt (24). The second mounting plate (19) is configured in two sets. The second mounting plate (19) is fixedly mounted on the working plate (1) through the second support column (18). Two sets of driven rotating shafts (20) are rotatably connected to the second mounting plate (19). A driven timing pulley (21) is fixedly mounted on the outer surface of the driven rotating shaft (20). A driving rotating shaft (22) is rotatably connected to the two sets of second mounting plates (19). A driving timing pulley (23) is fixedly mounted on the driving rotating shaft (22). The driven timing pulley (21) and the driving timing pulley (23) are connected by a timing belt (24). A drive motor (25) is fixedly mounted on one side of the second mounting plate (19). The output end of the drive motor (25) is fixedly connected to the driving rotating shaft (22).

5. The automatic feeding device for screen printing of solar cells according to claim 4, characterized in that: Both the driven synchronous pulley (21) and the driving synchronous pulley (23) have limit grooves (26), and the inner wall of the synchronous belt (24) is fixedly connected with a limit belt (27) that engages with the limit groove (26).

6. The automatic feeding device for screen printing of solar cells according to claim 5, characterized in that: The storage mechanism (3) includes a third support column (28) and a storage rack (29). The storage rack (29) is configured as a "U" shape and is fixedly installed on the work plate (1) by two sets of third support columns (28).

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