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对汽车CD顶壳的冲压工艺性进行了深入的分析,确定了工艺方案以及排样设计方案。由于汽车CD顶壳外形尺寸为:176 mm×159 mm×50 mm,三边折弯高度达50 mm,不适合在级进模具上打弯,因此采用由一套精密级进模具、一套成形模和一副机械手组成的自动线进行生产。详细介绍了精密级进模具的结构形式及模具关键零件的设计要点。实现了多工位精密级进模的设计开发和汽车CD顶壳的自动化生产。实践表明,与原来采用5套单工序冲压相比,新工艺不仅保证了产品质量,减小了劳动强度,生产效率也显著提高。
On the car CD top shell of the stamping process conducted in-depth analysis to determine the process plan and layout design. As the car CD top shell dimensions: 176 mm × 159 mm × 50 mm, three sides bending height of 50 mm, not suitable for bending in the progressive die, so the use of a precision progressive die, a set of forming Die and a robot composed of automatic lines for production. The structure of precision progressive die and key design points of die are introduced in detail. Achieved a multi-station precision progressive die design and development and auto CD top shell of the automated production. Practice shows that, compared with the original stamping using 5 sets of single-process, the new process not only ensures product quality, reduce labor intensity, production efficiency has also significantly improved.