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Multifunctional high-speed friction welding machine

A friction welding and welding machine technology, applied in welding equipment, non-electric welding equipment, metal processing equipment, etc., can solve the problems of low degree of automation, difficult to guarantee the quality of welding seam, complicated clamping process, etc., to achieve convenient replacement process, clamping Easy to assemble and disassemble, and the effect of clamping is firm

Pending Publication Date: 2018-10-12
国焊(上海)智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the field of aviation and aerospace, welding of a wide range of aluminum metal parts is involved. The welding process of aluminum casing or pressure cylinder parts is often accompanied by local small-scale welding defects, especially the production of friction stir welding equipment In the process of aluminum cylinder, there will inevitably be a tool exit hole at the end of a single weld. For the repair of such local defects, manual repair welding is often used at present. However, the manual repair welding operation has a low degree of automation and the weld seam Quality is also difficult to guarantee
When automatic welding is used, welding tools of different shapes are usually used for drawing forging, upset forging or friction spot welding operations for different workpieces. Common welding tools usually require additional clamping on the welding machine. The welding tool is clamped by the mechanism. When replacing the welding tool, it is often necessary to find the center and reposition. The clamping process is more complicated.

Method used

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  • Multifunctional high-speed friction welding machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1 Draw-forging friction repair welding operation

[0025] Such as figure 1 As shown, the welding tool 6 and the workpiece 10 are aluminum alloy materials, the head of the welding tool 6 is conical, and one end of the head is located on one side of the workpiece 10, and its axial direction passes through the workpiece 10. The welding tool 6 can be selected from The same material of the workpiece 10 can also be selected as different materials, and it is not excluded that the welding tool 6 and the workpiece 10 are made of non-aluminum alloy (such as a combination of aluminum alloy and stainless steel). Load, in this embodiment, the inertial flywheel 7 is loaded on the transmission shaft 3 by manual loading, the loading capacity of the inertial flywheel 7 can be adjusted as needed, and the power unit 2 is started after the inertial flywheel 7 is loaded, and the power unit 2 is selected in this embodiment. Driven by a motor, the power motor transmits the power t...

Embodiment 2

[0026] Embodiment 2 Upsetting friction repair welding operation

[0027] Such as figure 2As shown, the welding tool 6 and the workpiece 10 are all aluminum alloy materials, the head of the welding tool 6 is tapered, the welding tool 6 is located on one side of the workpiece 10 as a whole, and the workpiece 10 has a through hole at the corresponding position of the welding tool 6. The tool 6 and the workpiece 10 can be selected as the same material or different materials, and the welding tool 6 and the workpiece 10 are not ruled out as non-aluminum alloy materials (such as the combination of aluminum alloy and stainless steel). An inertial load is applied to the transmission shaft 3. In this embodiment, the inertial flywheel 7 is loaded on the transmission shaft 3 by manual loading. The loading capacity of the inertial flywheel 7 can be adjusted as needed. After the inertial flywheel 7 is loaded, the power motor is started. In the embodiment, a hydraulic motor is used to driv...

Embodiment 3

[0028] Embodiment 3 friction spot welding operation

[0029] Such as image 3 As shown, the welding tool 6 is a member of a specific shape. For example, the top end is rectangular, and the workpiece 10 and its corresponding surface are a complete non-defective plane. The welding tool 6 needs to be fixedly connected to the specified position on the workpiece 10 by friction welding. The welding tool 6 And the workpiece 10 can be an aluminum alloy material or other forgeable metal materials. The welding tool 6 and the workpiece 10 can be selected from the same material or different materials, or a combination of dissimilar metals with large performance differences, such as Combination of aluminum and stainless steel, etc., in the course of work, at first the inertial load is applied on the transmission shaft 3 by the inertial flywheel 7, in the present embodiment, the inertial flywheel 7 is automatically loaded on the transmission shaft 3 by the flywheel clutch 8, the loading cap...

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Abstract

The invention discloses a multifunctional high-speed friction welding machine. The multifunctional high-speed friction welding machine comprises a rack, an upsetting device, a welding tool and a powerdevice. The upsetting device is installed on the rack in a slippage manner in the front-rear direction. The welding tool is detachably clamped to the front end portion of the upsetting device. The power device is installed on the rear side of the upsetting device. The output end of the power device is connected with the rear end portion of the upsetting device through a transmission shaft and isused for driving the upsetting device to drive the welding tool to rotate around the axial line of the welding tool. A locking structure for locking the welding tool and the upsetting device is arranged between the welding tool and the upsetting device. The locking structure comprises an elastic piece fixedly arranged on the radial outer side portion on the rear side of the welding tool. The frontside portion of the upsetting device is provided with a storage cavity, the rear end portion of the welding tool can be inserted into the storage cavity in a matched manner, and the storage cavity isinternally provided with a through slot for storing the elastic piece in the radial direction. The welding machine is simple in structure, the welding tool is convenient to clamp and detach, weldingtools different in shape can be replaced conveniently, the replacement process is convenient and fast, and clamping is firm.

Description

technical field [0001] The invention relates to the technical field of friction welding, in particular to a multifunctional high-speed friction welding machine. Background technique [0002] Friction plug repair welding is a new technology of solid phase connection, which is mainly used to repair local defects of metal parts. In the field of aviation and aerospace, welding of a wide range of aluminum metal parts is involved. The welding process of aluminum casing or pressure cylinder parts is often accompanied by local small-scale welding defects, especially the production of friction stir welding equipment In the process of aluminum cylinder, there will inevitably be a tool exit hole at the end of a single weld. For the repair of such local defects, manual repair welding is often used at present. However, the manual repair welding operation has a low degree of automation and the weld seam Quality is also difficult to guarantee. When automatic welding is used, welding tool...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K20/12B23K20/26
CPCB23K20/122B23K20/126B23K20/26
Inventor 朱建华夏春明曹兴元彭虎赵江龙王立人孙涛
Owner 国焊(上海)智能科技有限公司