Solar cell chain type pickling machine and production line

The invention discloses a solar cell chain type pickling machine and a production line, and relates to the technical field of cell production. A limiting frame; a conveying mechanism; the tablet discharging mechanism comprises two tablet discharging units, each tablet discharging unit comprises a first rotating rod rotationally connected to the supporting plate and a third rotating rod rotationally connected to the limiting frame, an incomplete gear meshed and matched with the first gear is fixedly connected to the third rotating rod, and a tablet discharging plate is fixedly connected to the first rotating rod; the third rotating rod is fixedly connected with a sheet supporting plate; a first rotating rod drives a second rotating rod to rotate in a reciprocating mode through a piece discharging mechanism, a piece discharging plate and a piece supporting plate are driven to be far away from or close to each other, two battery pieces on the lowest portion and the second lower portion in a limiting frame are se