Circuit board processing device with stable clamping function

The utility model discloses a circuit board processing device with a stable clamping function, which comprises an operation bedplate, a circuit board safe cutting structure is arranged on one side of the operation bedplate, the circuit board safe cutting structure comprises a sliding groove, the sliding groove is arranged on one side of the operation bedplate, a sliding seat is sleeved in the sliding groove, and the sliding seat is arranged on the operation bedplate. A sliding groove is formed in one side of the operation table plate, a sliding seat is arranged in the sliding groove, a fixing seat is welded to the top end of the sliding seat, an adjusting rod is inserted into the fixing seat, and a circuit board clamping structure is arranged at the top end of the operation table plate. The adjusting rod is rotated into the fixed seat, one side of the adjusting rod is connected with the upper clamping seat, the sliding seat is driven to move on the operation table plate by shifting the adjusting rod, and the