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    Common problems of supercharging system

    Application of pressurized cylinder in gas-liquid stamping equipment

    The core technology of gas-liquid supercharged cylinder stamping equipment is formed on the basis of this core of a new stamping technology. At the same time, it also lays a good foundation on the basis of movement! The combined set creates a pressurized cylinder stamping equipment. The hydraulic oil pressurized cylinder air system uses the hydraulic power press to generate 2Kn? Force of compressed air 2000kN. The driving force is only 4 bar? 7 bar reliable. The complex driving system and large installed power replace the traditional punching equipment. The booster cylinder has dual functions, which can not only make the booster piston return to the starting position, but also make the oil chamber produce pre pressure, so that when the air circuit of the booster cylinder is closed, the oil in the oil chamber can also ensure a certain pre pressure, so as to ensure that the cylinder can work reliably in any installation direction and position. This kind of spring device has made an outstanding contribution to reducing the air consumption of the gas-liquid supercharger. Its disadvantage is that the cylinder is very heavy, installation, maintenance and operation are not very convenient, and the price is also very expensive.



    In the stamping process, the upper die contacts with the workpiece at any position of the empty stroke, and the gas-liquid booster cylinder is automatically converted into the force stroke due to the external resistance of the workpiece, so as to carry out the full-time stamping processing, realizing the "adaptive" stamping processing without equipment adjustment. The booster cylinder has dual functions, which can not only make the booster piston return to the starting position, but also make the oil chamber produce pre pressure, so that when the air circuit of the booster cylinder is closed, the oil in the oil chamber can also ensure a certain pre pressure, so as to ensure that the cylinder can work reliably in any installation direction and position. This kind of spring device has made an outstanding contribution to reducing the air consumption of the gas-liquid supercharger. Its disadvantage is that the cylinder is very heavy, installation, maintenance and operation are not very convenient, and the price is also very expensive. In the process of force stroke, according to the principle of non-polar gas-liquid pressurization, the gas-liquid supercharging cylinder scientifically and automatically applies the change of different punching pressure required by different punching stages or positions, which solves the problem that the traditional two-stroke punching equipment blindly applies excessive punching pressure on the basis of the configuration of active drive system, such as high rebound rate or failure to implement qualified stamping process. The booster cylinder has dual functions, which can not only make the booster piston return to the starting position, but also make the oil chamber produce pre pressure, so that when the air circuit of the booster cylinder is closed, the oil in the oil chamber can also ensure a certain pre pressure, so as to ensure that the cylinder can work reliably in any installation direction and position. This kind of spring device has made an outstanding contribution to reducing the air consumption of the gas-liquid supercharger. Its disadvantage is that the cylinder is very heavy, installation, maintenance and operation are not very convenient, and the price is also very expensive.



    This is based on the actual stamping processing of foreign carrier. The scientific change stroke of each pressing cycle is divided into three parts, and different parts of different external loads are applied to different activities according to the pressure stroke and reasonable energy distribution. For example, in the empty stroke and return stroke, only the weight of the upper die is overcome, so only a small stroke segment forces the front of the cylinder to be pressurized Drive. Thus, the energy consumption of the equipment is greatly reduced. Compared with the traditional two stroke stamping equipment, with the same function, the stamping equipment can save up to 90% energy.



    In the fast forward stroke, only the booster cylinder at the front of the booster cylinder drives the upper die to contact the workpiece quickly, with small force and small contact force, and the maximum contact force is about 1% ~ 5% of the rated punching pressure. Thus, the "soft in place" stamping technology, which is pursued by the stamping industry all the time, has brought gentle stamping process, no impact vibration and noise, on the one hand, greatly improved the stamping process The quality of pressing process, on the other hand, solves the problems such as printing size, precision pressing and deep drawing which can not be solved by traditional impact stamping equipment, at the same time, it also protects the stamping die, reduces the design and manufacturing difficulty of the stamping die, and greatly extends the service life of the die. In addition, "local soft" stamping technology also simplifies the requirements of equipment installation foundation. The stamping equipment can be installed in the upper compartment of the building, or on the guide rail or manipulator to realize the mobile full-automatic stamping processing, which greatly reduces the design and manufacturing difficulty of the special combined stamping workstation or the full-automatic pressure processing production line and improves the reliability of the equipment operation.



    The invention only needs two-position four-way or five-way main control valve for operation control, the pneumatic control system is simple and reliable, and free programming full-automatic unmanned monitoring control can realize stamping process and stamping quality.

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