The principle of semi-automatic filling machine
Filling machine structure is composed of main cylinder, cylinder, rotary valve, filling head. Including both liquid and viscous body, or water, soy sauce, water glass and honey, creams, broad bean paste, hot pot bed charge, with the cylinder and the cylinder material must be all the same, just the material weight, size is differ.
Liquid filling machine, on the rotary valve structure is very simple, is two one-way check valve. Back to smoke, in the main cylinder inlet check valves open, the discharging mouth of check valve closed, so the material from the inlet into the cylinder; In the main cylinder, discharging mouth check valves open, inlet check valve closed, material and went out from the discharging port. Because of simple structure, so the cost is cheap, can buy a two thousand yuan.
Heavy body fully automatic filling machine, rotary valve and liquid was completely different, because of physical problems, all simple tee check valve does not work. Need to use the rotary valve, there are two, one is ready-made pneumatic three-way valve directly, this is the cost in recent years because of the pneumatic valve reduce gradually, more and more adopted; Another tradition is to do "" rotary valve", the rotary valve is different also, each factory do principle is to use a cylinder to drive the rotor, the rotor can be respectively connected to the three ports, so do the main cylinder to push the material when discharging mouth with material cylinder, the main cylinder when withdrawing, inlet and material cylinder is same.
Filling head selection
Filling head according to different material selection, some material not need filling head, directly from the rotary valve discharging mouth after a hard tube and then install a 90 - degree bend is filling head; But more products need filling head, such as liquid and easy drop material products. This because if there is a particle, and there are many different requirements. In simple terms, liquid filling with sticky materials, but the viscous material must use dedicated "drip-proof material filling head", contains particles such as chili sauce, also need to use special filling head.
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