The role of the ultrasonic generating device: (1) Generate a square wave (ultrasonic wave) of a certain frequency to drive the transducer to work through multiple coupling amplification. (2) The feedback signal of the received frequency detector constitutes a closed-loop control system. When the frequency deviation is detected, it is corrected to maintain the frequency output required by the setting. (3) Power detection is to detect its working current. When the working current is lower than the fixed value, it sends an alarm signal to the PLC. (4) The 8031 ​​MCU module uses the extended 8255 chip A port to receive the control signals such as the frequency value sent by the PLC.
Manipulator operation and other control systems The up, down, left and right operation of the manipulator is completed by the motor driven screw, the grasping and releasing of the parts basket is completed by pneumatic components, and the photoelectric switch is used to complete the presence or absence of the parts basket Detection. The upper, lower, left, and right end points of the robot arm are equipped with limit protection switches, which are used as the hard protection for the robot arm after the program is out of control to avoid the rigid collision between the robot arm and the main frame. The grasping and releasing actions of the parts basket are jointly controlled by the in-position photoelectric switch and the positive position detection switch. The drying station â… is completed by the air pump blowing through the air knife device. The drying stations â…¡ and â…¢ are used to dry the parts with hot air. The supplement of the cleaning agent is completed by the PLC-controlled metering pump, and the flow control is controlled by the PLC. The valve and the liquid filling pump are used to complete the flow detection with a digital flowmeter. Temperature control uses thermocouples to measure the temperature, and the signal is fed back to the PLC, which is controlled by the PLC to control the heater. To prevent the heater from burning dry, use the lower limit water level switch to control the minimum water level.
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