Cell plate auxiliary transmission device with sintering furnace mesh belt

Abstract

The invention provides a cell plate auxiliary transmission device with a sintering furnace mesh belt. The cell plate auxiliary transmission device comprises a sintering furnace mesh belt, synchronous driving belts, a guide plate, a revolving shaft, a fixed supporting plate, a fastening screw and roller wheels, wherein two roller wheels are arranged at the two ends of the revolving shaft; two synchronous driving belt are respectively sleeved on the roller wheels; the guide plate is arranged between the synchronous driving belts, and the width of the guide plate is equivalent to that of a cell plate; the import end of the guide plate is jointed with the tail end of the sintering furnace mesh belt; the upper end surface of the import end of the guide plate is close to the lower end surface of the cell plate, and the upper end surface of the export end of the guide plate is close to the upper end surfaces of the synchronous driving belts; the guide plate is fixed on the revolving shaft, the fixed supporting plate is arranged below the synchronous driving belts, and the revolving shaft is fixed on the fixed supporting plate. By using the cell plate auxiliary transmission device, the blocking and gathering phenomena of cell plates can be fundamentally eliminated, thereby ensuring the smooth transmission of cell plates and improving production efficiency and product quality.

Description

Technical field: [0001] The invention relates to a mesh-belt type sintering furnace used in the production of solar cells, in particular to an auxiliary battery piece transmission device at the end of the mesh belt in the mesh-belt type sintering furnace. Background technique: [0002] Sintering is a very important step in the manufacturing process of solar cells. In the production process of solar cells, silver paste is used to print electrodes on the front and back of the cell, and aluminum paste is used to print the back field on the back of the solar cell. After drying and sintering, the silver paste and aluminum paste form silver-silicon alloy and aluminum alloy respectively with silicon. silicon alloy, thus forming a good contact. The role of the electrodes and the back field is mainly to export the electric energy generated by the solar cell. At the same time, the aluminum back field can also improve the minority carrier lifetime and improve the efficiency of the bat...

AI Technical Summary

Problems solved by technology

[0004] In the traditional mesh-belt sintering furnace, silicon wafers are laid directly on the mesh belt and enter the sintering furnace. The end of the sintering furnace meshes with the conveying wheel, and its cross-section is circular. There is no gapless connection between the end of the sintering furnace conveyor belt and the double-belt conveyor belt used in the next process. When the belt moves to the connection between the end and the conveyor belt in the next process, the cells often stay and accumulate due to poor connection, which not only affects the normal and continuous transmission of the cells, but also causes the cells to collide and split in severe cases. Here is the battery The most easily damaged place on the conveyor belt of the sintering furnace

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