Rear mold board of direct pressure type mold closing device

• Main Authors: FENG LIANGWEI, ZENG MINGHUI, YI HENGGUANG
• Format: Patent
• Language: Chinese; English
• Published: 16.11.2011
• 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 relates to a rear mold board of a direct pressure type mold closing device. Draw bar holes which are symmetrical along the centre line of mold closing are arranged on the rear mold board. The technical scheme is that the front end of the rear mold board is hollow, and the holes arranged along the centre line of the mold closing are used for installing a mode locking cylinder barrel and a mode locking piston. The rear end of the rear mold board is provided with a plurality of through holes which are used for installing a locating shaft sleeve to prevent the mode locking piston from rotating in forward and backward movements. The plurality of through holes are symmetrically distributed along the centre line of the mold closing, and a mode locking cylinder is composed of the rear mold board and components and parts including the mode locking cylinder barrel, the mode locking piston, the locating shaft sleeve, a sealing ring and the like, wherein the mode locking cylinder barrel, the mode lockin