24-hour consultation hotline 0769-85536776
Rubber molds are also called rubber diaphragms, rubber valves, etc. It is believed that many people in the industry are not unfamiliar with this kind of rubber products that have been widely used in various pumps, air pumps, valves and other equipment. So do you know how it works? Today Yongyong silicone rubber will give you a science popularization of one of the rubber diaphragms used in water pumps and air pumps to achieve efficient work.
Diaphragm pump is a special form of positive displacement pump. It relies on the back and forth of a rubber diaphragm to change the volume of the working chamber to suck and discharge liquid. The pneumatic diaphragm pump is mainly composed of the transmission part and the diaphragm cylinder head. The transmission part is a driving mechanism that drives the diaphragm to move back and forth. Its transmission forms include mechanical transmission, hydraulic transmission, and pneumatic transmission. Among them, hydraulic transmission is widely used. The working part of the diaphragm pump is mainly composed of a crank connecting rod mechanism, a plunger, a liquid cylinder, a diaphragm, a pump body, a suction valve, and a discharge valve. Among them, a driving mechanism and a reciprocating column composed of a crank rod, a plunger and a liquid cylinder Plug pumps are very similar.
( 一般为油 ) 而传到隔膜，使隔膜来回鼓动。 When the diaphragm pump is working, the crank link mechanism drives the plunger to reciprocate under the drive of the motor. The plunger's movement is transmitted to the diaphragm through the working liquid ( usually oil ) in the liquid cylinder , which makes the diaphragm move back and forth.
The diaphragm head of the pneumatic diaphragm pump is mainly separated by a diaphragm to convey the liquid from the working fluid. When the diaphragm moves to one side of the transmission mechanism, the pump cylinder works under negative pressure and sucks in liquid. When the diaphragm moves to the other side, , Then the liquid is discharged. The transported liquid is separated from the working liquid by the diaphragm in the pump cylinder, and only contacts the pump cylinder, the suction valve, the discharge valve, and the inner side of the pump without contacting the plunger and the sealing device, which makes the column The plug and other important parts work completely in the oil medium and are in good working condition. as the picture shows!
EPDM, NBR, NR, 等橡胶材料。 The rubber diaphragm needs to have good elasticity. Depending on the medium in contact with the work, it also needs better corrosion resistance. Common materials are rubber materials such as polytetrafluoroethylene, EPDM, NBR, NR, and so on.