The utility model discloses a cold water tank for cable production belongs to the technical field of cable production, including the tank body, and the both ends of tank body are divided into the clamping groove by two baffle respectively, and the
sponge block is inlayed in the clamping groove, and the left and right sides of clamping groove inlay one inverted triangular block respectively, and the opposite surface of inverted triangular block is pressed on the corresponding
sponge block respectively, and the
sponge block is clamped in the clamping groove in the elastic deformation mode, and the upper end of inverted triangular block is equipped with the upper link plate, and the left and right ends of upper link plate are equipped with the top rod respectively, and the lower end of top rod bears and leans has the swing
cam, and the rotation center of swing
cam is penetrated with the pivot, and the part that the pivot transversely penetrates the tank body and is in the tank body is equipped with the flush water box that opens upwards. The utility model sets up two inverted triangular blocks of
water flow drive and reciprocating
extrusion sponge block from the left and right sides respectively, realizes the periodic action, improves the contact stability of sponge block and cable base body, can improve the water
stain removal quality on the cable that separates the cold water tank, and the subsequent production and
processing of cable base body are convenient.