Oil pumping unit lubricating oil on-site regeneration treatment device

The utility model relates to the field of lubricating oil regeneration equipment, and discloses a pumping unit lubricating oil on-site regeneration treatment device which comprises a heating tank, the top of the heating tank is fixedly connected with a waste oil suction pipeline, and the bottom of the heating tank is fixedly connected with a rough filtration tank through a connecting pipe. One side of the bottom of the rough filtration tank is fixedly connected with a vacuum buffer tank through a connecting pipe, and the vacuum buffer tank is fixedly connected with a vacuum pump through a connecting pipe. The device is an integrated device for carrying out purification treatment and secondary blending on waste oil in a semi-closed state, so that the equipment investment is reduced, the operation efficiency is improved, the oil product treatment process is simplified, the cost and the management and control difficulty are reduced, and high-viscosity oil products and low-viscosity oil products are compounded an