AC permanent magnet disc type torque motor drived large-torque double-pendulum milling head

A technology of torque motor and high torque, applied in the field of combined mechanism of five-coordinate linkage processing, can solve the problems of increasing the winding space of the motor winding, increasing the volume of the iron core, etc., and achieves high motor efficiency, high magnetic field utilization, and good heat dissipation conditions. Effect

Inactive Publication Date: 2009-05-13
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to increase the output torque of the motor, the volume of the iron core

Method used

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  • AC permanent magnet disc type torque motor drived large-torque double-pendulum milling head
  • AC permanent magnet disc type torque motor drived large-torque double-pendulum milling head
  • AC permanent magnet disc type torque motor drived large-torque double-pendulum milling head

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Experimental program
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Embodiment Construction

[0028] figure 1 A cross-sectional view of a high-torque double pendulum milling head driven by an AC permanent disk torque motor is shown. The high-torque double pendulum milling head is composed of a C-axis part and an A-axis part, and is mounted on a CNC machine tool ram through a turntable support seat 16 with bolts. The A-axis part can rotate around the axis of the C-axis, and the main shaft 44 can rotate around the axis of the A-axis, so that the main shaft can rotate around the A-axis and the C-axis. It provides a good functional component for the five-coordinate linkage of the machining center, and becomes a symbolic component reflecting the advanced technology of modern high-end CNC machine tools.

[0029]The fixed sleeve 20 of the C-axis part is connected to the turntable support seat 16 with bolts, and the double disc type torque motor of the C-axis is housed inside it, and the first stator iron core 18 is housed in the first stator cover 34. The second stator core...

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Abstract

The invention relates to a large torque double-pendulum milling head driven by an AC permanent magnet disc type torque motor, which belongs to the combination mechanism for achieving the five-axis linkage processing on the machining center. The double-pendulum milling head mainly comprises a C axis part and an A axis part. The double-pendulum milling head is characterized in that the C axis part adopts the technical scheme that a rotary sleeve is rotated through driving of a double-linkage disc type torque motor, the rotary sleeve drives the A axis part to rotate together through a connecting disc and a connecting cover, and the C axis part also adopts a clamping bag type clamping mechanism; the A axis part adopts the technical scheme that a main shaft bracket with a main shaft to rotate together through driving of two disc-type torque motors mounted on the main shaft bracket, and the A axis part also adopts a rhombic block type clamping mechanism. The large torque double-pendulum milling head has the advantages that the iron core area of the disc-type torque motor is large, and the output power is great, the utilization rate of the magnetic field is high, and the efficiency of the motor is high; the double-pendulum milling head is provided with a cooling channel, and the radiating condition is good; the axial size is small, the rotary inertia of the rotor is small, the reaction rate is high, and the dynamic performance is good; and the operation of the clamping mechanism adopted is reliable and safe.

Description

technical field [0001] The invention relates to a high-torque double pendulum milling head driven by an AC permanent disk type torque motor, which belongs to a combined mechanism for completing five-coordinate linkage processing on a machining center. Background technique [0002] The double pendulum milling heads currently used in CNC machine tools are all driven by mechanical transmission or external rotor torque motors. The mechanically driven double pendulum milling head is driven by an ordinary motor (column motor), which drives the C-axis and the A-axis to rotate after decelerating through transmission parts such as gears, worms, and turbines. Due to the existence of mechanical transmission, problems such as transmission error, backlash, friction, and vibration occur. Since the transmission chain has a moment of inertia, it affects the response speed and dynamic performance. The advantage of the double pendulum milling head with mechanical transmission is that the ou...

Claims

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Application Information

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IPC IPC(8): B23Q5/10B23Q5/20B23Q1/26B23Q11/12H02K1/12H02K1/18H02K1/27H02K16/00H02K1/20
CPCB23Q1/5406B23Q2210/004B23Q2220/006
Inventor 杨有君
Owner DALIAN UNIV OF TECH
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