Automatic resistance welding equipment for solar cell and diode

Abstract

The utility model discloses a solar cell and diode automatic resistance welding device which comprises a machine table, two stock bin mechanisms are fixedly installed on the machine table and used for storing cell pieces and diodes respectively, a welding mechanism is installed between the two stock bin mechanisms on the machine table, and a six-axis robot and a four-axis robot are installed on the upper side of the machine table respectively. The six-axis robot and the four-axis robot are located in front of the two stock bin mechanisms respectively, a welding platform is fixedly installed on the machine table, the welding platform is located in front of the welding mechanism, a turnover mechanism is fixedly installed on the portion, between the six-axis robot and the welding platform, of the machine table, and suction cup grippers are installed at the tail ends of arms of the six-axis robot and the four-axis robot. According to the technical scheme, the device is composed of a stock bin mechanism, a welding mechanism, a welding platform, an overturning platform, a six-axis robot, a diode deviation rectifying camera, a four-axis robot and the like, automatic welding of diodes and battery pieces is achieved, production efficiency is improved, production cost is reduced, and welding quality is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of solar cell production, in particular to automatic resistance welding equipment for solar cells and diodes. Background Art

[0002] During the production of solar cell modules, sheet diodes need to be welded between solar cell monomers. The diodes in solar cells mainly play the role of preventing reverse charging and protecting the battery. In the prior art, manual welding is generally used, which consumes labor and has low production efficiency. Utility Model Content

[0003] The utility model aims to provide an automatic resistance welding device for solar cells and diodes to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: automatic resistance welding equipment for solar cells and diodes, including a machine platform, two silo mechanisms are fixedly installed on the machine platform, the two silo mechanisms are used to store solar cells and diodes respectively, a welding mechanism is installed between the two silo mechanisms on the machine platform, a six-axis robot and a four-axis robot are respectively installed on the upper side of the machine platform, the six-axis robot and the four-axis robot are respectively located in front of the two silo mechanisms, a welding platform is fixedly installed on the machine platform, the welding platform is located in front of the welding mechanism, a flip mechanism is fixedly installed on the machine platform between the six-axis robot and the welding platform, and suction cup grippers are installed at the ends of the arms of the six-axis robot and the four-axis robot;

[0005] The silo mechanism includes a stand and a linear module a, vertical guide rods are provided on both sides of the interior of the stand, and a lifting and lowering adjustable silo is slidably connected between the left and right guide rods. The silo is a rectangular frame structure and the inner cavity is provided with a plurality of layers of insertion positions along the height direction, and the insertion positions are used to insert the trays for placing materials. The linear module a is located at the bottom front side of the stand, and a vertical lifting cylinder a is fixedly installed on the slide of the linear module a, and a horizontal tray-taking bracket is fixedly installed on the piston rod of the lifting cylinder a, and a plurality of vacuum suction cups for adsorbing the trays are installed on the tray-taking bracket;

[0006] The flipping mechanism includes a flipping platform a, a flipping platform b, a defective product platform and a transverse movement module driven by a motor. A vertical lifting cylinder b is fixedly installed on the slide table of the transverse movement module. A positioning platform is fixedly installed on the upper end of the piston rod of the lifting cylinder b. The flipping platform a, the flipping platform b and the positioning platform can all be vacuum adsorbed.

[0007] Preferably, a servo motor facing vertically downward is installed on the top of the stand, and screw rods are installed on the left and right sides of the stand respectively. The two screw rods are connected for transmission at the top through a synchronous belt. The servo motor drives the screw rod to rotate, and the screw rod passes through the support block on the side of the silo and is screwed thereto.

[0008] Preferably, the welding platform comprises an X-axis linear module and a Y-axis linear module which are arranged vertically in different horizontal planes, and a vacuum platform is provided on the slide of the Y-axis linear module.

[0009] Preferably, the welding mechanism comprises a mounting frame, a vertical lifting module is mounted on a side of the mounting frame, a downward-facing welding head is mounted on a slide table of the lifting module, and a pressure sensor is mounted on the lower part of the welding head.

[0010] Preferably, a correction camera facing vertically upward is fixedly mounted on the platform, and the correction camera is located on one side of the four-axis robot.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the technical solution of the equipment of the utility model is composed of components such as a silo mechanism, a welding mechanism, a welding platform, a flip platform, a six-axis robot, a diode correction camera and a four-axis robot, which realizes automatic welding of diodes and battery cells, improves production efficiency, reduces production costs, and has stable welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0013] Figure 2 It is a three-dimensional structural diagram of the silo mechanism;

[0014] Figure 3 It is a three-dimensional structural schematic diagram of the welding mechanism;

[0015] Figure 4 It is a schematic diagram of the three-dimensional structure of the welding platform;

[0016] Figure 5 It is a schematic diagram of the three-dimensional structure of the flipping mechanism.

[0017] In the figure: 1. Machine table; 2. Material bin mechanism; 21. Stand; 22. Material bin; 23. Servo motor; 24. Screw; 25. Linear module a; 26. Lifting cylinder a; 27. Plate pick-up bracket; 3. Welding mechanism; 31. Mounting frame; 32. Lifting module; 33. Welding head; 34. Pressure sensor; 4. Four-axis robot; 5. Welding platform; 51. X-axis linear module; 52. Y-axis linear module; 53. Vacuum platform; 6. Six-axis robot; 7. Correction camera; 8. Flipping mechanism; 81. Transverse movement module; 82. Lifting cylinder b; 83. Positioning platform; 84. Defective product platform; 85. Flipping platform a; 86. Flipping platform b. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] See also Figure 1-5 The utility model provides a technical solution: automatic resistance welding equipment for solar cells and diodes, including a machine platform 1, two silo mechanisms 2 are fixedly installed on the machine platform 1, the two silo mechanisms 2 are used to store solar cells and diodes respectively, a welding mechanism 3 is installed between the two silo mechanisms 2 on the machine platform 1, a six-axis robot 6 and a four-axis robot 4 are respectively installed on the upper side of the machine platform 1, the six-axis robot 6 and the four-axis robot 4 are respectively located in front of the two silo mechanisms 2, a welding platform 5 is fixedly installed on the machine platform 1, the welding platform 5 is located in front of the welding mechanism 3, a flip mechanism 8 is fixedly installed on the machine platform between the six-axis robot 6 and the welding platform 5, suction cup grippers are installed at the ends of the arms of the six-axis robot 6 and the four-axis robot 4, a vertical upward correction camera 7 is fixedly installed on the machine platform 1, the correction camera 7 is located on one side of the four-axis robot 4, the correction camera 7 is used to take pictures of the diodes grasped by the four-axis robot 4 for correction and positioning, and is used to guide the four-axis robot 4 to accurately place on the welding platform 5.

[0020] The silo mechanism 2 includes a vertical frame 21 and a linear module a25. Vertical guide rods are provided on both sides of the interior of the vertical frame 21. A silo 22 that can be raised and lowered is slidably connected between the left and right groups of guide rods. The silo 22 is a rectangular frame structure and the inner cavity is provided with several layers of insertion positions along the height direction. The insertion positions are used to insert trays for placing materials. The linear module a25 is located on the bottom front side of the vertical frame 21. A vertical lifting cylinder a26 is fixedly installed on the slide of the linear module a25. A horizontal disc holder 27 is fixedly installed on the piston rod of the lifting cylinder a26. A plurality of vacuum suction cups for adsorbing the tray are installed on the disc holder 27. The disc holder 27 is laterally inserted under the tray. The disc holder 27 lifts the tray upward and adsorbs and fixes it, and then it is carried forward by the linear module a25. A servo motor 23 facing vertically downward is installed on the top of the stand 21, and screw rods 24 are installed on the left and right sides of the stand 21 respectively. The two screw rods 24 are connected and driven by a synchronous belt at the top. The servo motor 23 drives the screw rod to rotate. The screw rod 24 penetrates the support block on the side of the silo 22 and is screwed thereto. When taking materials from the outside, the bottom tray is removed each time, and then the silo 22 is lowered by one insertion position.

[0021] The welding platform 5 includes an X-axis linear module 51 and a Y-axis linear module 52 which are arranged vertically in different horizontal planes. A vacuum platform 53 is arranged on the slide of the Y-axis linear module 52. The battery cells and diodes are respectively grabbed onto the vacuum platform 53 for welding. The vacuum platform 53 can move horizontally or vertically in the plane to meet the movement requirements of different welding positions. The welding mechanism 3 includes a mounting frame 31. A vertical lifting module 32 is installed on the side of the mounting frame 31. A downward welding head 33 is installed on the slide of the lifting module 32. A pressure sensor 34 is installed at the bottom of the welding head 33. The pressure sensor 34 is used to detect the pressure when the welding head 33 is pressed down.

[0022] The flip mechanism 8 includes a flip platform a85 driven by a motor, a flip platform b86, a defective product platform 84 and a lateral movement module 81. A vertical lifting cylinder b82 is fixedly installed on the slide of the lateral movement module 81. A positioning platform 83 is fixedly installed on the upper end of the piston rod of the lifting cylinder b82. The flip platform a85, the flip platform b86 and the positioning platform 83 can all be vacuum-adsorbed. The flip mechanism 8 is used to flip the battery cell to complete the welding of the back diode.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic resistance welding device for solar cells and diodes, comprising a machine platform (1), on which two silo mechanisms (2) are fixedly mounted, the two silo mechanisms (2) being used to store solar cells and diodes respectively, characterized in that: A welding mechanism (3) is installed between two silo mechanisms (2) on the machine platform (1); a six-axis robot (6) and a four-axis robot (4) are installed on the upper side of the machine platform (1); the six-axis robot (6) and the four-axis robot (4) are located in front of the two silo mechanisms (2) respectively; a welding platform (5) is fixedly installed on the machine platform (1); the welding platform (5) is located in front of the welding mechanism (3); a flip mechanism (8) is fixedly installed on the machine platform between the six-axis robot (6) and the welding platform (5); and suction cup grippers are installed at the ends of the arms of the six-axis robot (6) and the four-axis robot (4); The silo mechanism (2) comprises a stand (21) and a linear module a (25), vertical guide rods are arranged on both sides of the interior of the stand (21), a silo (22) which can be raised and lowered is slidably connected between the left and right guide rods, the silo (22) is a rectangular frame structure and the inner cavity is provided with a plurality of insertion positions along the height direction, the insertion positions are used to insert the tray for placing materials, the linear module a (25) is located at the bottom front side of the stand (21), a vertical lifting cylinder a (26) is fixedly installed on the slide table of the linear module a (25), a horizontal tray bracket (27) is fixedly installed on the piston rod of the lifting cylinder a (26), and a plurality of vacuum suction cups for adsorbing the tray are installed on the tray bracket (27); The flipping mechanism (8) comprises a flipping platform a (85) driven by a motor, a flipping platform b (86), a defective product platform (84) and a transverse movement module (81); a vertical lifting cylinder b (82) is fixedly installed on the slide of the transverse movement module (81); a positioning platform (83) is fixedly installed on the upper end of the piston rod of the lifting cylinder b (82); and the flipping platform a (85), the flipping platform b (86) and the positioning platform (83) are all capable of vacuum adsorption.

2. The automatic resistance welding equipment for solar cells and diodes according to claim 1 is characterized in that: A servo motor (23) facing vertically downward is installed on the top of the stand (21), and screw rods (24) are installed on the left and right sides of the stand (21). The two screw rods (24) are connected and driven at the top by a synchronous belt. The servo motor (23) drives the screw rod to rotate, and the screw rod (24) passes through the support block on the side of the silo (22) and is screwed thereto.

3. The automatic resistance welding equipment for solar cells and diodes according to claim 2 is characterized in that: The welding platform (5) comprises an X-axis linear module (51) and a Y-axis linear module (52) which are arranged vertically and horizontally in different planes, and a vacuum platform (53) is provided on the slide of the Y-axis linear module (52).

4. The automatic resistance welding equipment for solar cells and diodes according to claim 3 is characterized in that: The welding mechanism (3) comprises a mounting frame (31), a vertical lifting module (32) is mounted on the side of the mounting frame (31), a downward-facing welding head (33) is mounted on the slide of the lifting module (32), and a pressure sensor (34) is mounted at the bottom of the welding head (33).

5. The automatic resistance welding equipment for solar cells and diodes according to claim 4 is characterized in that: A deflection correction camera (7) facing vertically upward is fixedly mounted on the machine platform (1), and the deflection correction camera (7) is located on one side of the four-axis robot (4).

Images