Hydraulically driven and controlled robot friction stir welding motorized spindle
A friction stir welding and drive control technology, applied in welding equipment, manufacturing tools, non-electric welding equipment, etc., can solve the problems of poor speed controllability, poor welding quality, low transmission efficiency, etc., to improve integration and processing technology Quality, the effect of improving welding quality
Pending Publication Date: 2021-08-10
SHANGHAI FANUC ROBOTICS
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Problems solved by technology
[0004] The electric spindle in the prior art only adopts a belt-type or direct-connected mechanical spindle driven by a servo motor, which has low transmission efficiency, poor speed controllability, large vibration, and poor welding quality
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[0025] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0026] In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" appear ", etc., the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specif...
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The invention discloses a hydraulically driven and controlled robot friction stir welding motorized spindle, and relates to the technical field of motorized spindles. The hydraulically driven and controlled robot friction stir welding motorized spindle comprises an oil cylinder base, a constant pressure control mechanism, a motor, a tool changing system and a spiral water jacket, wherein the constant pressure control mechanism is arranged on one side of the oil cylinder base, the motor is arranged on the inner side of the constant pressure control mechanism, and the tool changing system penetrates through the motor and the oil cylinder base; and the constant pressure control mechanism comprises a main shaft shell, the main shaft shell is arranged on the outer side of a stator of the motor in a sleeving mode, the spiral water jacket is arranged between the main shaft shell and the stator in a sleeving mode, one end of the main shaft shell extends into the oil cylinder base, the outer edge of one end of the main shaft shell is sleeved with a flange, the outer edge of the flange is in interference fit with the inner circumferential wall of the oil cylinder base, and two hydraulic oil cavities are formed between the two sides of the flange and the inner wall of the oil cylinder base. According to the hydraulically driven and controlled robot friction stir welding motorized spindle, the integration degree, the welding rotation degree and the overall rigidity of a system can be improved, so that the machining process quality of welding is improved, and the welding automation degree and the production efficiency are improved.
Description
technical field [0001] The invention relates to the technical field of electric spindles, in particular to a hydraulically driven and controlled robot friction stir welding electric spindle. Background technique [0002] Friction stir welding is a new green and environmentally friendly solid-phase welding technology. It uses the friction heat between the stirring head and the workpiece to connect the workpiece. It is mainly used for low-melting alloy materials that are difficult to weld by traditional fusion welding methods. [0003] At present, the friction stir welding machine is still mainly used in the market, and the application of friction stir welding spindle equipment involving robots is still relatively small, and most of them are still in the laboratory development stage. Compared with special machines, robotic friction stir welding equipment has greatly improved the flexibility of welding operations, and is suitable for the welding and manufacturing of space-compl...
Claims
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Login to View More IPC IPC(8): B23K20/12B23K20/26
CPCB23K20/12B23K20/26
Inventor 宋思明陈玉喜吴诚骁刘学坤
Owner SHANGHAI FANUC ROBOTICS