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Dynamic coil linear motor

A linear motor, moving coil technology, applied in electrical components, electromechanical devices, electric components, etc., can solve the problems of backlash, low efficiency, poor stiffness, etc.

Inactive Publication Date: 2011-04-06
SHENZHEN HANS MOTOR S&T
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a direct-driven moving coil linear motor to overcome the shortcomings of poor rigidity, low efficiency, slow response and backlash caused by traditional ball screw transmission.

Method used

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  • Dynamic coil linear motor
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Embodiment Construction

[0020] As shown in Fig. 1 is the assembly diagram of the moving coil linear motor of the present invention. The moving coil linear motor is composed of a fixed stator 10 and a mover 20 that moves relative to the stator 10. When the mover 20 is energized, it interacts with the magnetic field of the stator 10 to generate thrust. The stator 10 of the present invention is modularized, including at least one magnet array module, and a plurality of magnet array modules can be used to form the stator 10 to form a required stroke. Such as figure 2 A magnet array module 11 is shown, and the modular stator 10 can be combined into different strokes according to application requirements, so as to meet the needs of workpiece movement during work. In order to reduce the cogging thrust caused by the cogging, the magnet array of the stator 10 or the magnet array module 11 is arranged obliquely at a certain angle, such as figure 2 As for the slanted magnet array module shown, the present inv...

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Abstract

The invention discloses a moving-coil type beeline motor that comprises stator, rotor which moves relative to the stator, the stator includes at least one magnet array model, the rotor includes iron core and coli, tooth and slot are formed spacingly on the iron core, the coil is embedded into the slot, the rotor includes cooling path, the overloading capability of the motor can be improved by cooling of the cooling liquid, over hot temperature sensor is set in the rotor to generate over hot protection when the temperature is too high. The moving-coil type beeline motor of the invention can overcome the defect that poor rigidity, low efficiency, slow answer and reverse clearance generated by traditional ball bearing lead screw drive.

Description

【Technical field】 [0001] The invention relates to a motor, in particular to a moving-coil linear motor in which a winding coil moves relative to a stator. 【technical background】 [0002] Traditionally, linear motion is realized indirectly by rotating motors through synchronous belt, screw or ball screw conversion, while the response of mechanical transmission is slow and lagging, and there is a certain tracking error, which also affects the transmission stiffness of the system, the wear and tear of mechanical transmission and Noise and so on are the technical bottlenecks of indirect transmission in high-speed precision automation equipment. The direct drive technology composed of linear motors cancels the intermediate link between the motor and the load, shortens the transmission chain between the motor and the workbench to zero, and avoids the backlash, inertia, friction and rigidity in the screw drive. Insufficiency and other shortcomings are the technical trends in the m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K9/19H02K11/00H02K41/02H02K11/25
Inventor 高云峰廖有用王光能付晓辉
Owner SHENZHEN HANS MOTOR S&T