Concrete raw material impurity removing machine with detachable filter screen

The utility model discloses a concrete raw material impurity removing machine with a detachable filter screen, a sieve plate is arranged in a placing frame, movable grooves are formed in the two sides of the top end of the placing frame, and limiting blocks are arranged in the movable grooves. The concrete raw material impurity removing machine with the detachable filter screen is provided with the movable block, the movable block forms a left-right moving structure under the action of the first telescopic spring, so that the cover plate and the device main body can form detachable connection through the movable block, and the movable baffle on the front surface of the device main body can be overturned between the fixed supports through the rotating shaft; therefore, the device is convenient to feed and discharge; a sieve plate in the device main body can be lifted up and down along a lifting groove under the action of a vibration machine, so that the sieve plate can complete material sieving, limiting block