Spinning bicycle beam welding formwork

The utility model discloses a spinning beam welding formwork which comprises a bottom frame, a main beam welding mechanism, an inclined rod welding mechanism, an auxiliary beam welding mechanism and a folding lug welding mechanism, the main beam welding mechanism comprises a first clamping block, a pin cylinder and a first pressing frame, the first clamping block is used for limiting a main beam, and the first pressing frame is used for pressing the main beam. The upper portion of the pin cylinder is detachably connected with a lock nut used for fixing the main beam, the inclined rod welding mechanism comprises a second clamping block used for limiting an inclined rod and a second pressing frame used for pressing the inclined rod, and the slave beam welding mechanism comprises a third clamping block used for limiting a slave beam and a third pressing frame used for pressing the slave beam. The folded lug welding mechanism comprises a lug frame used for containing folded lugs and a fourth pressing frame used f