Cutting pick brazing tool

Supporting rods are fixed to the two sides of the upper face of a square sleeve, a supporting table is fixed to the supporting rods, a hydraulic cylinder is fixed to the position, under the supporting table, of the upper face of the square sleeve, a connecting rod is fixed to the piston end of the hydraulic cylinder, and a through hole allowing the connecting rod to move is formed in the supporting table. The connecting rod penetrates through the outer side face of the penetrating hole and is provided with a plurality of tooth rows in the circumferential direction. A plurality of fixing plates are fixed on the supporting table in the circumferential direction of the connecting rod, the fixing plates are arranged in a central symmetry mode, shafts are rotationally arranged on one side faces of the fixing plates, the shafts are also arranged in a central symmetry mode, gears meshed with the adjacent tooth rows are arranged on the shafts, clamping arms are fixed on the gears, and clamping pieces are fixed on the