The stamping forming of single-machine multi-station plastic sheet metal is the preferred process plan for today's sheet stepping production line. In particular, the provision of multiple piston hydraulic cylinders and corresponding hydraulic control systems on hydraulic single machines not only achieves fast and efficient stamping forming productivity, but also constitutes a “buffering†coordination balance between the steps of each step forming. . This reduces the noise pollution of the stamping process, prolongs the service life of the stamping die, and adapts to the sustainable development trend of today's “greenâ€.
The hydraulic machine multi-station sheet metal stamping device is mainly used for blank blanking, drawing forming, and trimming and multi-station stamping forming process of metal plastic sheet.
The single-machine multi-station stamping process of plastic sheet metal is generally implemented by a multi-point mechanical press due to the imbalance of the pressing pressure and the pressing stroke of the respective stations. However, the pressing stroke of the mechanical press is limited to the range in which it is close to the shorter stroke limit, and it is difficult to effectively utilize the output power in the full stroke of each station.
The design of this hydraulic single-machine multi-station stamping is very important, giving full play to the efficient and quick multi-station stamping process, maximizing the utilization of the output power of the hydraulic press to become the research and development focus, and at the same time, this design also has the necessary punching process. Buffering effect.
Multi-station sheet metal stamping device
The key features of the design of this hydraulic single machine for multi-station stamping are: 1 hydraulic single machine implements stepping multi-station stamping process. 2 Design the same piston hydraulic cylinder and hydraulic control system. 3 additional buffering and noise reduction buffering effect.
The difficulty in research and development lies in: pressing the lower plane of the slider in the hydraulic single machine to fix three identical piston hydraulic cylinders. When the down contact is applied to the stamped sheet, the intermediate hydraulic cylinder first continues to move downwards compared to the reverse resistance due to the stretching of the mold; while the reverse resistance of the blanking die and the trimming die is large, the suspension is suspended. Move Downward. When the hydraulic pressure is increased and the intermediate hydraulic cylinder completes the "stretching" step, the pressure of the hydraulic control system is further increased, and the "punching" on the left side and the "cutting" step on the right side are sequentially completed.
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