The utility model belongs to the technical field of the liquid crystal display panel belt cleaning device technique and specifically relates to a grind liquid crystal display panel belt cleaning device of disc, including detachable grinding disc, it has the round hole to open on the grinding disc, grind the top of disc and install Z spindle drive system and up time needle drive system in proper order, Z spindle drive system is including inside bearing mechanism and outside upper and lower elevating system, bearing mechanism and upper and lower elevating system with drive actuating cylinder and be connected, the clockwise swing drives system includes motor and two parallel gears, the motor is fixed on the mount, and one of them parallel gear is installed on the motor, adopts the drive of belt formula between motor and the parallel gear, and another parallel gear is installed on bearing mechanism, the utility model discloses a solidity foreign matter, oil foreign matter, cohesiveness foreign matter etc. Can effectually be got rid of to the device, and can adjust with the depth of parallelism of product, so abluent pressure is even, do not have any damage or pressure to the product.