Welding-strip feeding mechanism and method and string welding machine
A technology of feeding mechanism and string welding machine, which is applied to tin feeding device, welding equipment, auxiliary welding equipment, etc., can solve the problems affecting the welding quality of solar cell modules, the complex structure of the welding ribbon shearing mechanism, and the easy deviation of the welding ribbon head. It can reduce the pulling stroke of the welding belt, improve the shearing efficiency, and achieve the effect of high welding belt feeding accuracy.
Active Publication Date: 2016-05-25
WUXI AUTOWELL TECH
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Problems solved by technology
[0004] 1) The upper and lower knives of the ribbon shearing mechanism must move at the same time to complete the shearing of the ribbon, which affects the efficiency of ribbon cutting, and at the same time causes the structure of the ribbon shearing mechanism to be complicated and costly
[0005] 2) The feeding of the welding ribbon is only realized by the traction of the clamping mechanism, resulting in a large pulling stroke of the welding ribbon, and the clamping mechanism must perform clamping after the upper and lower knives of the welding ribbon shearing mechanism give way, and the overall Affect the ribbon cutting efficiency
[0006] 3) After the upper and lower knives of the ribbon shearing mechanism cut the ribbon, the head of the ribbon is prone to offset, and the overall position of the ribbon is offset after the clamping mechanism clamps it, resulting in offset of the welding position of the subsequent ribbon , affecting the welding quality of solar cell modules
Method used
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[0037] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.
[0038] see Figure 1 to Figure 5 As shown, a ribbon feeding mechanism for a stringer includes a moving frame 1, a feeding partition 2, several pressing driving cylinders 3 and a feeding driving cylinder 4, and the moving frame 1 includes a vertical Two support plates 10 are set and arranged in parallel at intervals. The top of the two support plates 10 is provided with an upper connection plate 11, and the bottom is provided with a lower connection plate 12. The two support plates 10 are correspondingly provided with several long The first strip-shaped mounting hole 13, the feeding partition 2 is fixed between the two support plates 10 through the first mounting hole 13, and the feeding driving cylinder 4 is fixed to the welding belt through the cylinder mounting bracket 40 Cutting table, the drivi...
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The invention discloses a welding-strip feeding mechanism and method and a string welding machine. The welding-strip feeding mechanism comprises a movable frame and a pressing assembly. The movable frame is movably arranged on a welding-strip cutting table and connected with a feeding driving device, and the feeding driving device drives the movable frame to reciprocate along the welding-strip cutting table. The pressing assembly is arranged on the movable frame, and a to-be-cut welding strip is tightly pressed to the movable frame through the pressing assembly. According to the welding-strip feeding mechanism and method and the string welding machine, the welding-strip feeding mechanism is additionally arranged at the station in front of a welding-strip cutting mechanism, and the to-be-cut welding strip is tightly pressed to the movable frame and fed through the movable frame. The welding-strip cutting efficiency is improved, welding-strip feeding accuracy is high, and the welding quality of the string welding machine is guaranteed.
Description
technical field [0001] The invention relates to solar cell sheet welding technology, in particular to a ribbon feeding mechanism for a stringer, a feeding method and a stringer. Background technique [0002] In order to produce solar cell modules, for example, to be installed on roofs for solar power generation, usually several solar cells with interconnected tabs are connected in series. The interconnection sheets of adjacent solar cells are connected to each other by means of welding strips or sections of welding strips. Usually the ribbon is tinned copper and is connected to the interconnect by one or more solder joints. A solar cell may have multiple interconnects, one to three at most, requiring an equal number of ribbon segments to form a series connection. The mechanism for processing this series of solar cells is called a stringer. [0003] Stringers used to string solar cells together typically include a feed table for feeding the solar cells and the continuous s...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B23K3/06B23K3/08B23K37/00
CPCB23K3/0607B23K3/08B23K37/00B23K2101/36
Inventor 李文蒋伟光
Owner WUXI AUTOWELL TECH