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Magnetic suspension and magnetic drive multi-axis flexible transposition device

A technology of displacement device and magnetic drive, which is applied in the direction of holding device, auxiliary device, auxiliary welding equipment, etc. with magnetic attraction or thrust, which can solve the problem that the precision and stability cannot meet the requirements of welding positioner, curve welding, and mobile response. Long time and other problems to achieve the effect of avoiding magnetic confusion, avoiding errors and accurate positioning

Active Publication Date: 2017-08-08
NANJING UNIV OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Chinese patents (203721699U) and (203576109U) disclose a clamping device for discs, a rotating platform for discs and a magnetic levitation viewing platform, which can only achieve rotation but not translation, and cannot meet the requirements of curve welding
The platform realizes suspension and translation, but this device is suspended through the electromagnetic permanent magnet hybrid poles set on the four corners. If it is applied to a welding positioner to achieve long linear translation, the platform must be very large, and once the platform is moved out The electromagnetic permanent magnet hybrid poles at the four corners can no longer be suspended, and its translation is realized by guiding electromagnets and linear propulsion systems. The movement response time is long, and the accuracy and stability cannot meet the requirements of welding positioners.

Method used

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  • Magnetic suspension and magnetic drive multi-axis flexible transposition device
  • Magnetic suspension and magnetic drive multi-axis flexible transposition device
  • Magnetic suspension and magnetic drive multi-axis flexible transposition device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] Embodiment 1: Checking the workpiece

[0065] combine figure 1 , figure 2 and Figure 7 , a magnetically levitated and magnetically driven multi-axis flexible displacement device, the workpiece is placed on the working platform 1 and fixed with a fixture, and then the coil winding 14 is energized, and the platform is suspended to the desired position by adjusting the magnitude and direction of the current in the coil height, then energize the printed coil 8 to move the mobile platform 7 and the working platform 1 to the desired position, then cut off the power to the printed coil 8, and then energize the rotating coil 4, and the working platform 1 rotates to make the workpiece inspection area Inside, then cut off the power to the rotating coil 4, and then carry out the inspection work, after the inspection work is completed, cut off the power to the coil winding 14, take off the workpiece, and the inspection work is completed.

Embodiment 2

[0066] Example 2: Welding a straight line seam

[0067] combine figure 1 , figure 2 and Figure 7 , a magnetic levitation and magnetic drive multi-axis flexible displacement device, the weldment is installed on the working platform 1 and fixed, and then the coil winding 14 is energized, and the platform is suspended to the desired height by adjusting the magnitude and direction of the current in the coil , energize the rotating coil 4, the working platform 1 rotates, adjust the magnitude and direction of the current, make the welding seam parallel to the track, then turn off the power to the rotating coil 4, the welding torch starts to work, and at the same time energize the coils a and b on the coil frame 15, Make the mobile platform move forward, after the weld seam is welded, the coils a, b are de-energized, the coil winding 14 is de-energized, the weldment is taken off, and the welding is completed.

Embodiment 3

[0068] Example 3: Welding curve weld seam

[0069] combine figure 1 , figure 2 and Figure 7 , a magnetic levitation and magnetic drive multi-axis flexible displacement device, the weldment is installed on the working platform 1 and fixed, and then the coil winding 14 is energized, and the platform is suspended to the desired height by adjusting the magnitude and direction of the current in the coil , energize the rotating coil 4, energize the coils a and b in turn, start the welding torch, adjust the current magnitude and direction of the rotating coil 4 and coils a and b, so that the movement track of the working platform 1 is consistent with the welding seam of the weldment until the welding seam After the welding is completed, the coils a and b are powered off, the coil winding 14 is powered off, the weldment is removed, and the welding is completed.

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Abstract

The invention discloses a magnetic suspension and magnetic drive multi-axis flexible transposition device. The device can achieve magnetic force suspension, magnetic force drive rotation and horizontal movement through the arrangement of a suspension device, a rotation device and a horizontal movement device. After the device stably works, no mechanical contact exists among the structures in the horizontal movement and rotation process, abrasion caused by mechanical friction is avoided, and the problem of platform shaking caused by crawling and uneven track connectors due to mechanical contact is solved. When the device is used for welding, the welding requirement for welding lines of any lengths can be met, welding curve welding is achieved through coordination of the rotation speed and the horizontal movement speed, and excellent dynamic response and motion precision are achieved. The magnetic suspension and magnetic drive multi-axis flexible transposition device is suitable for precise welding, movement and rotation of workpieces such as complex and small flanges and end sockets, and meanwhile the magnetic suspension and magnetic drive multi-axis flexible transposition device is suitable for cutting, checking and the like of medium-small-sized workpieces.

Description

technical field [0001] The invention belongs to the field of welding displacement, in particular to a magnetic levitation and magnetic drive multi-axis flexible displacement device. Background technique [0002] From the perspective of current processing and manufacturing, the welding process is still an important processing method in the processing and manufacturing industry for a long period of time. As an auxiliary equipment in welding equipment, welding positioner plays an indispensable role in improving welding quality and welding efficiency. However, the current welding positioners are mechanical and electrical integrated positioners, that is, the drive motor drives the gear pair to drive the worktable movement or the motor drive shaft movement drives the worktable movement. These methods are all in mechanical contact. The friction of the contact surface and the wear of the gears will cause problems such as reduced precision, energy loss, and a large amount of heat. M...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/047H02N15/00
CPCB23K37/047H02N15/00
Inventor 周琦程卫琴朱韩钢彭勇张业成郭顺傅霖兵袁伟豪刘林夏纪才方强
Owner NANJING UNIV OF SCI & TECH
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