Titanium alloy bicycle frame welding tool and welding method

A frame welding and welding tooling technology, applied in welding equipment, welding accessories, metal processing equipment, etc., can solve the problems of high welding cost, reduced welding quality, and low work efficiency under vacuum conditions, and achieve efficient short-process production, reduce Difficult to operate, easy to operate effect

Inactive Publication Date: 2012-09-26
天津轻钛运动器材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Welding under vacuum conditions has high cost, low work efficiency, and poor operability. It is not suitable for multi-component, large-scale structures such as bicycle frames.
The argon gas protection method is flexible and easy to operate. Its disadvantage is that it is difficult to protect the welding back for small-caliber (Φ<40mm) and special-shaped parts with complex structures, which reduces the welding quality.

Method used

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  • Titanium alloy bicycle frame welding tool and welding method
  • Titanium alloy bicycle frame welding tool and welding method
  • Titanium alloy bicycle frame welding tool and welding method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1 Titanium alloy bicycle frame welding tooling

[0027] figure 1 The titanium alloy bicycle frame welding tool shown includes a movable frame 2 for fixing the head tube, a movable frame 4 for fixing the bottom bracket of the seat tube, a movable frame 5 for fixing the seat tube of the rear hook and claws, and a frame body 3, Each movable frame is respectively connected with the frame body 3 by bolts 10, 11, 12, and the angle between the movable frame 2, 4, 5 and the frame body 3 is changed through rotation to adjust the position of each part of the frame body and determine the assembly structure the goal of. Wherein, grooves 6, 7 and slide rails 15 are set on the movable frame 2, the grooves 6, 7 can fix the position of the head pipe by threading the rope, and the slide rail 15 can hold the head pipe and make it move up and down to adjust the position of the head pipe and the head pipe. The welding angle between the upper tube and the lower tube; the movabl...

Embodiment 2

[0029] Embodiment 2 Titanium alloy bicycle frame welding method

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PUM

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Abstract

The invention provides a titanium alloy bicycle frame welding tool and a titanium alloy bicycle frame welding method. The tool comprises a movable frame for fixing a head tube, a movable frame for fixing a seat tube five-way joint, a movable frame for fixing a rear claw seat tube, and a frame body, wherein each movable frame is connected with the frame body through a bolt; the movable frame for fixing the head tube can well realize regulation and fixation during the assembly and welding of the head tube through a sliding rail and notch grooves; and the movable frame for fixing the seat tube five-way joint and the movable frame for fixing the rear claw seat tube flexibly regulate the height of a rear triangle of a frame through dowels. By the welding tool, welding angles between the upper and lower tubes and the head tube can be regulated, circulating water cooling in a welding process can be realized, the technical problems about the integral welding and quick cooling of a plurality of thin-walled titanium tubes are well solved, and the welding efficiency and the weld quality are greatly improved.

Description

technical field [0001] The invention relates to the technical field of nonferrous metal material processing, in particular to a titanium alloy bicycle frame welding tool and a welding method. Background technique [0002] With the rapid development of the bicycle industry, modern bicycles have higher and higher requirements for performance, especially higher requirements for weight reduction indicators. Titanium and titanium alloy pipes have been widely used in various bicycle frames at home and abroad because of their high specific strength, good corrosion resistance, and high and low temperature resistance. As a highly active metal, titanium is easy to react with hydrogen, oxygen, nitrogen and other elements during welding in the air to cause weld embrittlement, and the thermal conductivity of titanium is low, and the welding heat-affected zone is wide. For titanium and The welding of thin-walled curved surfaces and fillet welds of titanium alloys is especially difficult....

Claims

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Application Information

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IPC IPC(8): B23K9/32B23K9/16
Inventor 王俊萍卢亚锋孙前程赵恒章孙文鸿
Owner 天津轻钛运动器材有限公司
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