Automatic edge and corner riveting equipment for A-surface-free frame of photovoltaic module

The invention discloses a photovoltaic module A-free frame corner automatic riveting device, which comprises a lifting conveying line, a restoration module, a support platform and a corner riveting mechanism, and is characterized in that the corner riveting mechanism comprises two sub-modules; the submodule comprises a first motor, a first supporting plate driven by the first motor to move left and right, a second motor fixed to the first supporting plate and two corner riveting modules driven by the second motor to move front and back. The corner riveting module comprises a second supporting plate, an oil cylinder and a corner supporting seat which are fixed on the second supporting plate, and a riveting head which is driven by the oil cylinder to move close to or far away from the corner supporting seat; a first support and a second support are arranged on the second supporting plate, a first angle adjusting assembly for adjusting the set angle of the corner supporting seat is arranged on the first support,