The utility model relates to the technical field of
liquid crystal glass substrate production, and discloses a feeding port for preventing dust from accumulating and overflowing during
ton bag feeding in
liquid crystal glass substrate production, which comprises a feeding port body, the feeding port body comprises a supporting groove body and a material guide
pipe, a bin door is arranged on the side wall of the material guide
pipe, a cover plate is rotatably connected to the bin door, and the supporting groove body is provided with an opening. The side, close to the bin door, of the cover plate is fixedly connected with an arc-shaped panel. During use, a
ton bag is hoisted to the position above the feeding port body, the
ton bag is pressed on the feeding port body, the bin door is opened, the bag opening is manually opened, the cover plate is rotated to close the bin door, and materials in the ton bag flow to the bin from the material guide
pipe from top to bottom. According to the feeding port, through the design of closing the bin door and the arc-shaped panel, the risk that dust overflows from the bin door is reduced, and the cleanliness of the
working environment is improved. In addition, the bin door is connected with a glove in a sealed mode, the glove can be used for unpacking the ton bag with the bag opening facing the interior of the material guiding pipe, and dust is prevented from overflowing from the bin door after the bag is unpacked.