At present, the principle of milking machine in our country is to use vacuum sucking. The main form is to use the rotary vane vacuum pump as the power source. Due to the complex structure and high cost, it is difficult to form batch production. In order to solve these problems, it is recommended to use oil-free piston vacuum pump. The application of oil-free vacuum pump in cow milking car greatly simplifies the structural design, small volume, movable, low noise, easy operation, easy maintenance and low cost, which provides mechanized equipment for dairy farms, especially collective farms and individual dairy farmers.
vacuum pump structure composition:
Top cover, valve plate, cylinder, casing, piston skin ring, connecting rod assembly, cooling fan, fan cover, silencing equipment and Shockproof foot.
Oil Less Rotary Vane Type Vacuum Pump Features :
1. In the use of vacuum, exhaust occasions do not contain oil, like the oil vacuum pump does not cause pollution to the working environment or products, can be used in various fields.
2. Compared with the oil vacuum pump, there is no need to add oil to the pump, and there is no need for spot inspection and maintenance.
3. Low noise and long service life. At the same time, it is equipped with vacuum pressure gauge and pressure regulating controller.
4. Due to the use of special self-lubricating carbon chip, it has a strong wear resistance.
5. Due to its high speed operation, it can be directly connected with the motor. In this way, the pump can be miniaturized.
6. Due to the high-speed rotation of multiple sliding blades, the pulsation is very small and the suction and exhaust are stable.
Oil Less Rotary Vane Type Vacuum Pump Performance advantages :
1. The vacuum degree is as high as – 98kpa, leading in the industry.
2. Equipped with rubber damping foot pad, running more smoothly.
3. 100% oil-free and maintenance free.
4. Mute and noise control is about 55 dB.
5. Small size and beautiful appearance.
6. They are equipped with overload protectors, which will not burn out due to overload.
The working process of the application of oil-free vacuum pump in cow milking car is that the motor drives the crankshaft to rotate after the motor is decelerated by the reducer and belt pulley, and the piston is driven to do linear reciprocating motion by the solid connecting rod. When the piston moves downward, it is the vacuum stroke, when the piston moves upward, it is the atmospheric stroke. The two strokes form a pulse, and the reciprocating motion of the piston produces vacuum. When milking, the piston goes down, the ball valve on the oil-free piston vacuum pump is closed, and the ball valve on the milk bin cover is opened. The closed milk barrel and milking parts produce vacuum, and the pressure of the inner sleeve of the milk cup is the same as that between the walls, so that the inner sleeve of the milk cup opens and sucks milk from the nipple. When resting, the piston goes up, the spherical valve on the piston vacuum pump is opened, and the atmosphere enters the wall chamber, and the spherical valve on the milk barrel cover is closed, so that the closed milk barrel and the inner sleeve of the milk cup are still in the vacuum state, forming a pressure difference between the inner sleeve of the milk cup and the inter wall chamber, so that the inner sleeve of the milk cup is closed and the milk flow stops.
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