Abstract: As a new type of conveying machinery, pneumatic diaphragm pump is one of the newer kinds of pumps in the world. This paper briefly introduces its working principle and characteristics, and summarizes the advantages and benefits of replacing it with gear pump. [Key words] Pneumatic Diaphragm Pump YJ24 then installed machine for glue system gear pump YJ24 then installed machine to receive cigarettes rolled YJ15 cigarette machine, relying on their own supply of filter rods, tipping paper supply and glue system will be manufactured without mouth Filter cigarettes. As an important system, the main function of the glue supply system is to continually apply glue to the side of the tipping paper as needed to prepare for the tipping and rubbing of the tobacco branch. First, the existing problems YJ24 machine connected to the original machine gluing system by the plastic motor drive gear pump (2) from the plastic bucket (1) to the plastic device (3) for plastic, shown in Figure 1: Figure 1 gear pump Processing and assembly requirements of high precision, and cleaning gear pump parts must be disassembled one by one, so that not only time-consuming and laborious, but also easy to wear due to assembly parts caused by leakage, resulting in glue pump gear pump contains bubbles Smoke cigarettes caused by improper installation, shut down and other production failures. Second, the improvement measures Pneumatic diaphragm pump is a new type of conveyor machinery, is a relatively new type of pump in the world. The pump uses compressed air as the power source, through the two symmetrical working chamber diaphragm synchronous reciprocating motion and one-way ball valve to change the volume of the working chamber, thus the liquid is continuously inhaled and discharged. The unit of time for the amount of plastic and external compressed air pressure, pressure, then the amount of plastic large, otherwise small. Pneumatic diaphragm pump for conveying a variety of corrosive liquids, with particles of liquid and high viscosity, volatile, flammable, highly toxic liquid. In the original YJ24 machine installed glue system with pneumatic diaphragm pump instead of gear pump and pneumatic diaphragm pump at the exit of a throttle increase, so that both can make the pneumatic diaphragm pump in operation, continuous supply of plastic, and The amount of glue can be controlled. Figure 2 Figure 2 is a schematic diagram of a modified pneumatic diaphragm pump with a pneumatic diaphragm pump (4) driven by compressed air in a gas pipe (6) inserted in it to pump out glue from the tank (1) Fluid supply gluing device (3). Third, the use of effects and advantages Pneumatic diaphragm pump used in the YJ24 then installed on the machine, replacing the original supply of gear pump, and canceled the original gear pump drive motor to meet the needs of the plastic, to achieve the function of the plastic system, while simplifying The structure, reducing energy consumption. Pneumatic diaphragm pump has the following advantages: 1. Simple structure, less wearing parts. Two classes a day, only need to be replaced once a year pneumatic diaphragm. 2. Easy to install. The pump is small, light weight, can be installed directly in the original gear pump position. 3. Control is simple and reliable, easy to maintain. 4. The pump without oil. Even idling, the pump has no effect. 5. Usually do not have to clean. If a long time (such as 10 days or more) downtime, you need to clean the pump body excess glue to prevent glue solidification. Cleaning can be directly into the water pump into the compressed air cleaning. Fourth, the application prospects At present, the pneumatic diaphragm pump has been successfully used in the YJ24 ZJ15XG-type crimping machine connected to the machine, the pump can also be used in MOLINS series of machines (such as PA85, PASSIM, etc.) and HAUNI series of machines (such as the MAX- S, PROTOS, etc.), has a good application prospects.
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