Automatic focusing code reader with dustproof function

The utility model discloses an automatic focusing code reader with a dustproof function, which comprises a code reader main body, one side of the code reader main body is fixedly provided with an adjusting groove, one side in the code reader main body is fixedly provided with two dustproof assemblies corresponding to the adjusting groove, and each of the two dustproof assemblies comprises a dust storage shell, a baffle plate, a fixed plate and an elastic spring. The code reader has the beneficial effects that the placement plate is fixed through the adjusting grooves for automatic focusing, and gaps generated by adjustment of the adjusting grooves are conveniently sealed through the corresponding positions of the dust storage shells and the adjusting grooves, so that the code reader is convenient to use, and the working efficiency of the code reader is improved. And meanwhile, dust passing through the gap is collected into the dust storage shell, the dust storage shell is fixed through the fixing plate so tha