The invention discloses an automatic oil
sprayer, which is used for solving the problems of low efficiency, oil spraying non-uniformity and
disadvantage in
environmental protection during the manual oil spraying of a mold frame steel plate in the prior art. The automatic oil
sprayer comprises a running rail, wherein an oil
sprayer case is arranged on the running rail; the lower part of the oil sprayer case is open; an
oil storage tank is arranged in the oil sprayer case; a plurality of oil nozzles are arranged abreast in the oil sprayer case, and are connected to the
oil storage tank through an oil
pipe; an
electromagnetic valve for controlling the connection and the disconnection of an oil path is arranged on the
oil storage tank; a trolley is arranged on the running rail in a sliding way; external limiting switches are arranged on one side of the running rail; a triggering rod is arranged on the trolley; a power supply is connected to the
electromagnetic valve; the external limiting switches are electrically connected with the power supply. The automatic oil sprayer is simple in structure, reasonable in design, high in
automation degree, accurate in touch, energy-saving, environment-friendly, long in service life, low in cost, maintenance-free and easy to operate, and
oil can be efficiently and uniformly sprayed.