Injection connecting device for injection molding machine

The utility model belongs to the field of injection molding machine application equipment, and particularly relates to an injection connecting device for an injection molding machine, which comprises a base, a placing table is arranged at the upper end of the base, a mold closing unit, an injection unit and a motor are sequentially arranged at the upper end of the placing table from left to right, and a limiting connecting rod is arranged on one side of the mold closing unit. A limiting connecting rod is arranged on one side of the fixing plate, a notch is formed in one end of the limiting connecting rod, a connecting part is arranged on one side of the fixing plate, the connecting part comprises a shell in a hollow rectangular design, a fixing rod, a limiting column in an I-shaped design and a clamping mechanism, and the clamping mechanism comprises a rotating plate, a connecting plate and a clamping plate. According to the utility model, the connecting stability between the limiting connecting rod and the c