Device for replacing chain lubrication sleeve

The utility model relates to a device for replacing a chain lubrication sleeve. The device comprises an upper die, a lower die and a driving device, wherein the driving device is used for driving the upper die and the lower die to perform relative vertical motion; the lower die is provided with a single-chain unit positioning groove in which lubrication sleeves to be replaced are vertically placed; the bottom of the positioning groove is provided with blanking holes for the falling off of two lubrication sleeves of a single-chain unit; the lower end of the upper die is vertically provided with a cylindrical push rod which can push the two lubrication sleeves of the single-chain unit placed in the positioning groove of the lower die out from a shaft sleeve respectively; the diameter of the push rod is less than the inner diameter of the shaft sleeve of a chain; and the lower end of the push rod is provided with a guide rod in which a novel lubrication sleeve can be sleeved. According to the utility model, a me