Automatic ink-ink balance control device of offset press

The utility model belongs to the technical field of offset printing equipment, and discloses an automatic ink balance control device of an offset press, which comprises an ink storage box, a temporary storage seat, an automatic valve, a differential pressure valve and a one-way exhaust valve fixedly connected to the upper end of the ink storage box and penetrating into the ink storage box. According to the utility model, ink is injected into the temporary storage seat, and the automatic valve is opened through hydraulic extrusion, so that the lower space of the temporary storage seat is closed by the automatic valve, and meanwhile, the upper part of the temporary storage seat is communicated with the space of the ink storage box; when ink injection of the temporary storage seat is stopped, the ink storage box is communicated with the internal space of the temporary storage seat through recovery of the automatic valve, liquid is stored to the lower portion of the temporary storage seat through the differential