& nbsp; The multi-station rotary table type cylinder liner centrifugal casting machine adopts a multi host+auxiliary machine method. Multiple hosts are evenly arranged on a circular rotating working platform, and the host rotates to different auxiliary machine workstations through the rotary table; Four auxiliary machines are fixedly arranged along the circumference of the circular working platform, and each auxiliary machine completes the cleaning, spraying, pouring, and picking process of the main machine rotating to its respective workstation. The high-speed and stable adjustable host, advanced multi stage and multi speed spraying technology, and real-time monitoring and adjustment of key process parameters throughout the entire casting process ensure the repetitive consistency of the casting process for each type of cylinder liner product, completely eliminating the influence of human factors on the casting process parameters, and fundamentally ensuring the stability of the internal quality of cylinder liner castings& nbsp; This model occupies a small area and has high production efficiency, requiring only two people to operate. It is very suitable for the continuous production of single variety and large batch cylinder liner blank castings& nbsp; Machine characteristics: ● High speed and smooth operation of the main machine - The smooth operation and rotational speed of the mold are key factors affecting product quality. Therefore, there is a high requirement for the smoothness of the host machine operation. Under high-speed operation, the radial runout of the mold is smaller, the wall thickness of the cylinder liner is more uniform, and the organizational performance is more stable. The main engine adopts a cantilever structure, and the bearing seat is made of cast iron, which has good shock absorption. Adopting AC stepless frequency conversion speed regulation motor and high-performance vector control frequency converter, the high-performance V-belt drives the spindle to rotate, ensuring precise speed regulation control of the mold. The spindle braking device ensures rapid stop of the mold and improves production efficiency& nbsp;& nbsp; A fast, stable, and accurately positioned rotating work platform - multiple hosts are arranged on the rotating work platform, and the rotating work platform completes the switching of multiple workstations for each host. Adopting AC servo control, the rotation is fast and stable, with precise positioning and adjustable rotation speed& nbsp; Rapid mold inner wall cleaning device - Quickly clean residual paint on the inner wall of the pipe mold The horizontal walking trolley drives the rotating cleaning brush to move along the axial direction of the mold to clean the inner wall of the mold. The cleaning brush can be replaced according to the inner diameter of the pipe mold, and the cleaning device includes a blowing nozzle and corresponding dust collector& nbsp; Excellent spraying quality - The inner layer coating of the pipe mold can reduce the impact of metal liquid on the pipe mold, reduce the peak temperature of the pipe mold, and effectively extend the service life of the pipe mold. At the same time, it can increase the friction between the pipe mold and liquid metal, shorten the time required for pouring metal liquid to reach the rotation speed of the pipe mold, and make the casting easy to demould during pipe drawing. The movement of the spray rod is controlled by a servo system, which ensures smooth movement and adjustable position, ensuring the uniformity of the spray layer. The movement speed of the spray bar can be divided into three adjustable sections, and the distance and speed of each section can be adjusted. Combined with the rotational speed and spraying pressure of the pipe mold, it can meet the requirements of various complex spraying processes& nbsp; Mold spray cooling - The mold temperature has a significant impact on the quality of the cylinder liner. Especially the metallographic structure and hardness. If the mold temperature is too high, the wet coating is prone to detonation, the coating is uneven, the surface quality of the cylinder liner cannot be guaranteed, and the lifespan of the pipe mold is shortened; If the mold temperature is too low, the coating will not be completely dry during pouring, and bubbles will not easily precipitate before pouring. When high-temperature molten iron meets the wet coating that is not completely dry, it makes the cylinder liner prone to casting defects such as white mouth and air holes. The cooling nozzle of the pipe mold is evenly arranged along the axial direction above the pipe mold. According to the set cooling time parameters, the outer wall of the pipe mold is sprayed with water for cooling during the pouring and solidification process of molten iron, so as to control the temperature of the pipe mold within the appropriate process range& nbsp;& nbsp; Reliable casting removal mechanism - The removal mechanism adopts an electric and pneumatic control method, and the cylinder liner casting is smoothly removed from the mold through the removal claw& nbsp; Automatic pouring and precise weighing of molten iron - Automatic pouring is composed of pouring vehicles, tilting ladle, etc. The pouring truck can be divided into two main machines for pouring. The pouring speed of pouring ladle tilting can be adjusted. The pouring car is equipped with an automatic weighing device for pouring molten iron, ensuring the consistency of the weight of each batch of cylinder liners. The weight of ladle molten iron is displayed on a large screen and can be printed and recorded& nbsp; Efficient, safe, stable, and flexible electrical automatic control system - The control system uses PLC as the control core and human-machine interface as the monitoring system to complete the entire process automatic control of the centrifugal casting machine and monitoring of the production process. The control system has comprehensive protection measures such as overcurrent and overload. The process parameters of the main machine, the working position and speed of each auxiliary machine, and other parameters can be set, adjusted, and stored on the human-machine interface, making the equipment flexible and suitable for the production process requirements of multiple types of cylinder liner castings within a certain range& nbsp;Technical parameters: Serial numberParameter NameParameter valueCompanyoneWorkstation 8~11 twoRotary motor powerthreeKwthreeMain machine mold turntable diameterΦ four hundred and fivemmfourMaximum diameter of castingΦ one hundred and sixtymmfiveMaximum length of castingfive hundredmmsixMold speed0~1450rpmsevenMain motor powerseven point fiveKw
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