Ultrasonic soldering equipment for solar cell electrode
A solar cell and ultrasonic welding technology, which is applied in welding equipment, non-electric welding equipment, metal processing equipment, etc., can solve the problems of poor welding quality and low welding efficiency, and achieve the effects of improving welding efficiency, eliminating false welding, and high efficiency
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example 1
[0055] Example 1, see embodiment 1 of the present utility model as shown in Figure 1, the electrode wire adopts metal aluminum tin-coated strip, and strip thickness is 2 millimeters, and width is 0.3 millimeters. The solar cell 6 is an amorphous silicon solar cell based on glass. Under the control of the PLC system, the feeding area sends the amorphous silicon solar cell to the ultrasonic welding area through the transmission device. The tin-coated strip with a width of 0.3 mm is stretched, compressed, and flattened. The metal welding head is welded with a welding pressure of 2MPa and a welding power of 110W. After the electrode welding is completed, the battery of the conveyor device is sent to the automatic wire cutting device 13 to cut off the tin-coated strip, and then the material is discharged. High welding efficiency, smooth solder joints and good appearance. Cooperating with automatic production lines, it can continuously feed, weld and discharge materials.
[0056] T...
example 2
[0057] Example 2. The overall structure of this embodiment is the same as that of Example 1. See Figures 1 to 8. On the workbench 1, install the solar cell transmission device, the electrode wire releasing and pressing device 10, and the ultrasonic metal spot welder in sequence from left to right. 11. Thread cutting device 13 and PLC numerical control system 12. The main process steps are as follows: the first step is to arrange the solar cells on the workbench 1; the second step is to drive the solar cells by the transmission device to realize linear feeding; release; pressing and welding on the solar cell; the fourth step, the wire cutting device 13 cuts off the electrode wire.
[0058] In the transmission device, with the installation method of symmetrical arrangement, the rotating shaft of the stepping motor 2 passes through the center hole of the positioning roller 3, and the shafts and holes of the two are connected by interference fit; the stepping motor 2 is installed ...
example 3
[0062] Example 3, the technical process of the present invention are as follows:
[0063] 1) Adjust the bracket 9 so that the distance between the positioning rollers 3 arranged symmetrically along the two sides matches the width of the amorphous silicon solar cell;
[0064] 2), PLC controls the stepper motor 2 to work, drives the positioning roller 3 to rotate, and drives the amorphous silicon solar cell 6 to enter the welding area;
[0065] 3) The wire-releasing and pressing device presses the electrode wires on the amorphous silicon solar cell: step 1, stepping the electrode wire
[0066] The machine 2 decelerates, and the amorphous silicon solar cell 6 continues to feed;
[0067] Step 2, under the control of the PLC, the cylinder stretches out the telescopic rod 10-6-1, and the crimping wheel 10-5 connected to the telescopic rod 10-6-1 presses the electrode wire 10-2 to the amorphous silicon solar cell 6 superior;
[0068] Step 3, the electrode wire 10-2 is affected by ...
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