Device for detecting peel strength of copper-clad plate

The utility model belongs to the technical field of peel strength detection, and particularly discloses a copper-clad plate peel strength detection device which comprises a trapezoidal support frame, a clamping part and a counterweight barrel, the trapezoidal support frame is hollow, bottomless and free of a main view surface, and a to-be-detected copper-clad plate placing hole is reserved in the top of the trapezoidal support frame; the clamping part comprises a tightening hoop, an adjusting rod and a fastening nut, a notch is reserved in the tightening hoop, tightening heads are fixedly arranged at the two ends of the notch, the adjusting rod transversely penetrates through the tightening hoop and is matched with the adjusting nut to achieve contraction or expansion adjustment of the tightening hoop, and a hook is fixedly arranged at the bottom end of the tightening hoop; a through hole is formed in the upper edge of the balance weight barrel, and a hanging ring is movably arranged on the through hole. The