Material bag opening device, cutter and bag opening method

• Main Authors: WANG BAOGUO, HE XIAOYONG, GUO HUAHUA, WU DALIN, QIAN YE, WANG WEIQIANG, GONG JING
• Format: Patent
• Language: Chinese; English
• Published: 02.08.2022
• Subjects: CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING; UNPACKING

The invention discloses a material bag opening device, a cutter and a bag opening method. The material bag opening device comprises a fixing part, a cutting part and a bag opening part, wherein the fixing part is used for fixing the preset position of a material bag body; the cutter is used for cutting a notch which does not coincide with the preset position on the material bag body; after the notch is marked out, the fixing part pulls the preset position in the direction in which the notch is opened, so that materials in the material bag can be discharged conveniently; the cutter comprises a cutter body, an elastic component and a check block. The invention further provides a material bag opening method which comprises the fixing part and the cutter and comprises the following steps that the fixing part fixes the preset position of the material bag, the cutter cuts the material bag at the preset position to form a notch, and the fixing part pulls the preset position in the direction enabling the notch to be