Device and method for machining injection-molded front car bumper

• Main Authors: YANG JINBIAO, YU ZHENGYUN, CAI KAOQUN, ZENG CISHENG
• Format: Patent
• Language: Chinese; English
• Published: 28.11.2012
• 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; VEHICLES IN GENERAL; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The invention relates to a device and method for machining an injection-molded front car bumper. The front car bumper comprises an L-shaped inverted buckle, and the L-shaped inverted buckle comprises an L-shaped inverted buckle corner and an L-shaped inverted buckle short edge; vertical parting is adopted at the L-shaped inverted buckle of the front car bumper, and the vertical parting surface islocated in the position of the L-shaped inverted buckle adjacent to the L-shaped inverted buckle short edge and is perpendicular to the L-shaped inverted buckle short edge. The machining device comprises a first pitched roof and a second pitched roof, wherein the second pitched roof is located below the boss of the first pitched roof outside the first pitched roof, and the second pitched roof is located between the first pitched roof and a movable mold insert; a cavity for forming the L-shaped inverted buckle short edge is formed between the boss of the first pitched roof and the boss of the movable mold insert inside