A friction plug repair welding spindle head device

A spindle head and repair welding technology, which is applied in the field of welding manufacturing, can solve the problems of affecting welding quality, affecting the stability of motion, and easy fluctuation of pressure, and achieves the effect of green and clean welding environment, good natural heat dissipation conditions, and stable welding pressure

Active Publication Date: 2022-03-08
TIANJIN UNIV
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Problems solved by technology

[0005] The present invention overcomes the problems in the prior art that the device driven by the hydraulic system is prone to oil leakage, thereby affecting the stability of the movement and reducing the efficiency. At the same time, in order to overcome the complexity of the hydraulic system and the large number of control valves in the prior art , is not easy to cont

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  • A friction plug repair welding spindle head device
  • A friction plug repair welding spindle head device
  • A friction plug repair welding spindle head device

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[0030]In order to further understand the content, characteristics, and efficacy of the present invention, it will be described in detail with reference to the accompanying drawings:

[0031] Append Figure 1 to 5 As shown, a friction plug-in main shaft device includes a rotary drive system and an axial moving drive system.

[0032] The rotary drive system includes an AC servo spindle motor 1, a shaft motor shaft end sleeve 4, a ball spline 5, a rotating shaft 22, a knife handle 17, and a stuffing rod 15;

[0033] The spindle output end of the AC servo spindle motor 1 is connected to the head end of the spindle motor shaft end sleeve 4 by a key, and the end of the shaft motor shaft end sleeve 4 passes through the bolt and the ball spline 5 The head end is connected, and the tail end of the ball spline 5 is connected to the head end of the rotating shaft 22 by bolts, and finally transmits torque of the spindle of the AC servo spindle motor 1 to the rotating shaft 22; The tail end of ...

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Abstract

The invention discloses a friction plug repair welding spindle head device, which comprises a rotary drive system and an axial movement drive system; the rotary drive system comprises an AC servo rotary shaft motor, a ball spline, a rotary shaft, a knife handle and a stopper rod connected in sequence; The drive system for direction movement includes a ball screw nut rotating motor, a reducer, a rotary reducer and a ball screw nut connected in sequence. The ball screw nut cooperates with the ball screw nut through the ball screw pair, and the ball screw The rod is a hollow structure, and the rotating shaft is arranged in the hollow ball screw and cooperates with the hollow ball screw through a bearing group; the outer side of the hollow ball screw is provided with a screw guide device. The device of the invention can realize green, pollution-free, high-efficiency, flexible and stable control of the plugging welding process of storage tanks and pipelines, thereby improving the quality of welding seams.

Description

technical field [0001] The invention relates to welding manufacturing technology, in particular to a friction plug repair welding spindle head device used for repairing welding defects of aluminum alloy structures and repairing friction stir welding keyholes. Background technique [0002] Friction plug repair welding is a solid-phase repair welding technology. The working principle is: first process the plug hole at the defect, remove the defect, and use a plug rod that matches the plug hole to make the plug rod and the plug hole rotate at a relatively high speed. When the interface between the two reaches the plastic state under the action of heat and pressure, it brakes urgently, and maintains a certain pressure until it cools down to realize the connection between the plug hole and the stopper rod. [0003] According to different welding pressure loading methods, friction plug repair welding is divided into two types: upsetting type and drawing type. Among them, the weld...

Claims

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Application Information

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IPC IPC(8): B23K20/12B23K20/26
CPCB23K20/126B23K20/26
Inventor 陈永亮汤伟莉刘立业崔雷王东坡
Owner TIANJIN UNIV
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