Special vulcanizing machine for large rubber shock absorber bearings

① The equipment adopts PLC+text display electrical hydraulic combined intelligent control, with automatic intelligent display of temperature, adjustable vulcanization pressure and vulcanization time, and is divided into manual and automatic control modes; In automatic mode, it has a fast and slow dual speed mold closing conversion to protect the mold; Equipped with automatic deflation function, the deflation frequency can be adjusted (via text display touch screen) and the deflation stroke can be adjusted (via delay relay);

① In automatic mode, when operating, press the mold closing button once, and the high and low pressure oil pumps will start simultaneously to achieve fast mold closing. When the machine is closed to the limit switch, the system will automatically switch. One set of low-pressure pumps will stop supplying oil, and only one set of low-pressure pumps and high-pressure pumps will work to protect the mold. The mold will be slowly aligned and closed through the positioning cone pin hole, and finally locked with high pressure, achieving the function of protecting the mold; When the pressure of the mold is increased to the release pressure, automatic release is achieved according to the set number of times. After the release is completed and the mold reaches the vulcanization pressure, it can automatically stop and start vulcanization timing at the same time; When the vulcanization time is up, an automatic alarm is triggered, and then the mold opening control system is manually activated by pressing the mold opening button to achieve mold opening. When the lower template descends after mold opening, the lower limit switch is triggered, and the mold opening action stops; And automatically start the push out system to push out the template for easy operation, and automatically stop the action when the push out template reaches the limit; After the operation is completed, press the pull back button to start the template control system. Pull back the template to reset and automatically stop the action; Then press the mold closing button to achieve the next working cycle; It has an automatic pressure replenishment function during the pressure holding vulcanization process.

② The template ejection system is driven by hydraulic cylinders and supported by deep groove ball rolling bearings, ensuring smooth and stable ejection movements and reducing loads.

③ In order to further improve the fully automatic control system, the hydraulic system is specially equipped with a bypass manual unloading valve, which is used to manually open the oil circuit to achieve slow mold opening and unloading in case of system failure or unexpected power outage, thereby protecting the equipment itself and the mold, and preventing product over sulfur scrap caused by inability to open the mold. At the same time, the template is pushed out with a manual push out function to manually pull out the model under the same conditions.