Positioning type straw necking mechanism

• Main Author: LIN QIZHANG
• Format: Patent
• Language: Chinese; English
• Published: 25.03.2022
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The utility model discloses a positioning type suction pipe necking mechanism which comprises a rack and a necking base arranged on the rack, a necking frame is arranged on the necking base, a necking hemming die and a die rotating power source which are connected with each other are arranged on the necking frame, and the necking frame is connected with a transverse moving power source. A formed suction pipe conveying mechanism is arranged on the machine frame and located between the necking frames, and a telescopic pipe positioning assembly is arranged on the portion, above the formed suction pipe conveying mechanism, between the necking frames. According to the telescopic pipe necking device, the pipe orifice of the telescopic pipe can be automatically necked, so that the telescopic pipe cannot be separated when stretching out and drawing back. Therefore, the straws are automatically and uniformly formed and quickly assembled on the same machine, so that the quality is ensured, the sanitary requirement is c