Feeding mechanism of dough kneading machine

The utility model relates to the technical field of dough kneading machines, and discloses a dough kneading machine feeding mechanism which comprises a dough kneading box, the top of the dough kneading box is communicated with a feeding pipe, the bottom of the feeding pipe is provided with a weighing plate, the top of the weighing plate is provided with an electronic weighing sensor, a connecting frame is arranged in the dough kneading box, and the connecting frame is connected with the feeding pipe. The connecting frame penetrates through the two sides of the dough kneading box and is in sliding fit with the dough kneading box, an opening is formed in the side, close to the box door, of the connecting frame, limiting grooves are formed in the two sides of the opening, limiting blocks are slidably installed in the two limiting grooves, and an installation frame is fixedly installed between the two limiting blocks; a filter screen is arranged at the top of the mounting frame; through the clamping blocks and th