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High-yield screw host driven by low-rotary-speed high-torque AC motor

A motor-driven, high-torque technology, which is applied in the field of extruder equipment manufacturing, can solve the problems of easy oil leakage cleaning and oil replacement of the gearbox, complex structure of the extruder, and loud noise of the gearbox, so as to achieve weight reduction, noise reduction, The effect of saving materials

Inactive Publication Date: 2010-07-07
GUANGDONG LIANSU MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure of this type of extruder is relatively complex, the output is low, the noise of the reducer is loud, and the reducer is easy to leak oil and clean and change oil, which is easy to pollute the environment

Method used

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  • High-yield screw host driven by low-rotary-speed high-torque AC motor
  • High-yield screw host driven by low-rotary-speed high-torque AC motor
  • High-yield screw host driven by low-rotary-speed high-torque AC motor

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] The structure of the present invention is as attached figure 2 As shown, it includes connecting section 1, barrel adjusting screw 2, barrel front support 3, electric cabinet 4, barrel heater wind cover 5, barrel heater 6, barrel 7, screw 8, bushing 9, machine Cylinder feeding seat 10, hopper seat 11, weighing device 12, bushing cover 13, torque motor 14, frame 15, shock-absorbing horn 16, dryer 17.

[0022] The present invention has following characteristics:

[0023] a, high screw speed: the speed of common single-screw extruders is below 120 rpm, but the present invention has a torque motor as a drive, and its high-yield screw host speed is above 350 rpm. High shear, producing high shear thermoplasticized plastics, conveying plastics at high speed, and thus large output.

[0024] b, the present invention increases the length-to-diameter ratio of the screw ...

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Abstract

The invention provides a high-yield screw host driven by a low-rotary-speed high-torque AC motor, which comprises a feeding device, a screw extrusion device and an electric driving device, wherein the electric driving device drives the screw extrusion device to rotate, so that plastic particles supplied by the feeding device is extruded into plastic melt; and the motor is a torque motor. This invention solves the phenomena that the noise pollutes the environment and an extruder has more complex structure. Through the use of the torque motor, a reduction gearbox is not arranged in the extruder, and the noise produced by the extruder is low in the production process, so the impact of the extruder on the surrounding environment is little. In the absence of the reduction gearbox, the material for producing the reduction gearbox is saved; and simultaneously, the weight of the whole set of extruder is reduced, and the material is saved. Compared with an asynchronous motor, the torque motor saves the energy by 15 to 20%, increases the yield by 2.5 times, and reduces about 30 dB of noise.

Description

technical field [0001] The invention belongs to the field of extruder equipment manufacturing on a plastic pipe production line, in particular to an AC low-speed high-torque motor-driven high-production screw main engine. Background technique [0002] At present, the main manufacturers of domestic extruders use motors, gearboxes, and screw extruder structure attachments. figure 1 As shown, it includes gearbox 1, cooler 2, coupling 3, hopper dryer 4, hopper seat 5, blanking seat 6, motor 7, frame 8, screw 9, barrel 10, barrel temperature control Device 11, motor cooling fan 12, air filter 13, barrel support 14, connecting flange 15, in this structure, whether it is a DC motor or an AC motor, the power is generally transmitted to the screw through the reduction box, The screw rotates to extrude the plastic melt. The structure of this type of extruder is relatively complex, the output is low, the noise of the reduction box is large, and the reduction box is easy to leak oil a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C47/08B29C47/60B29C47/10B29C48/585
CPCB29C48/585
Inventor 蔡炳然李国珍李代叙
Owner GUANGDONG LIANSU MACHINERY MFG