Differential-speed conical twin-screw extruder
A technology of conical twin-screw and extruder, applied in the field of differential-speed conical twin-screw extruder, can solve the problem of inability to adapt to different thread structures
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[0020] Implementation case one
[0021] according to figure 1 Design a differential speed conical twin-screw extruder, the screw meshing like figure 2 . Two conical screws 5 in the extruder adopt image 3 Arrangement form. figure 2 for figure 1 In the two screws, the screws are divided into Yin and Yang rotors, figure 2 The upper middle screw is a male rotor, and the lower screw is a female rotor. Among them, in the threaded meshing area, the number of male rotor threaded edge heads is 1, and the number of female rotor threaded edge heads is 4. The high-speed motor distributes the torque to the male and female rotors through the reduction box 9 and the coupling 8, and the speed ratio is 1 / 4. The two male rotors rotate in the same direction, while the female rotor and the male rotor rotate in different directions. The screw 5 is assembled and placed in the barrel 3 fixed on the mounting seat 7. The barrel 3 is provided with an exhaust port 4, and the temperature is adjusted by...
Example Embodiment
[0023] Implementation case two
[0024] Similar to implementation case 1, a differential conical twin-screw extruder is formed. The difference is that the number of screw heads of the male rotor is 2, and the number of screw heads of the female rotor is 3 (see the screw differential meshing Figure 4 ), after the speed distribution of the reduction box, the ratio of the speed of the female and male rotors is 2 / 3; the screw is in the mixing section near the head 1, using Image 6 with Figure 7 The shown form of intermeshing disc facilitates distributed mixing.
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