Diaphragm pump is a more special type of volumetric pump. It relies on a diaphragm to move back and forth to change the studio volume to inhale and discharge liquid. Pneumatic diaphragm pump mainly by the transmission part and diaphragm head two major components. Drive part is to drive the diaphragm back to encourage the drive mechanism, which has the form of transmission of mechanical transmission, hydraulic transmission and pneumatic transmission. One of the more widely used is the hydraulic drive. The working part of the diaphragm pump is mainly composed of a crank connecting rod mechanism, a plunger, a cylinder, a diaphragm, a pump body, a suction valve and a discharge valve, wherein a driving mechanism composed of a crank rod, a plunger and a liquid cylinder is connected with a reciprocating plunger Pumps are very similar. When the diaphragm pump is working, the crank and rod mechanism drives the plunger to reciprocate under the driving of the motor. The movement of the plunger is transmitted to the diaphragm through the working fluid (usually oil) in the cylinder so that the diaphragm moves back and forth. Pneumatic diaphragm pump cylinder head mainly by a diaphragm will be transported liquid and working fluid separately, when the diaphragm to the transmission side of the movement, the pump cylinder negative pressure and suction fluid, when the diaphragm to the other side of the movement , The liquid is discharged. The liquid being delivered is separated from the working fluid by the diaphragm in the pump cylinder and contacts only the pump cylinder, the suction valve, the discharge valve and the pump inner side without contacting the plunger and the sealing device, Plug and other important parts completely in the oil medium work in good working condition. In the pump two symmetrical working chamber each equipped with a diaphragm, the center link will be integrated into one. Compressed air from the pump inlet into the valve, through the valve body to introduce compressed air into one of the chamber to promote movement of the diaphragm chamber, while the other chamber gas emissions. Once the end of the stroke is reached, the gas distribution mechanism automatically introduces compressed air into the other working chamber to push the diaphragm in the opposite direction so that the two diaphragms move back and forth in unison. In the figure, the compressed air enters into the distribution valve to move the diaphragm to the right, then the suction of the chamber causes the medium to flow in from the inlet to push the ball valve into the chamber, the ball valve is blocked due to inhalation; the medium in the chamber is compressed, Push the ball valve out of the outlet, while the ball valve lock, anti-flow, so cycle back and forth so that the media continue to inhale from the entrance, the outlet discharge. Solemnly declare: This video comes from the network, this site only provides sharing, not for commercial purposes; if the video involves legal issues and this site has nothing to do. This video belongs to the original publisher. If the site provides video and other resources related to your copyright issues, please contact us immediately for processing. (Editor: Xiao Xia)
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