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Metal stud welding system combined with friction heat source

A welding system and stud technology, used in welding equipment, metal processing equipment, non-electric welding equipment, etc., can solve the problem that medium and large diameter studs cannot be directly welded, and avoid large upsetting force and friction studs. Insufficient welding calorific value to achieve the effect of effective solid-phase welding

Active Publication Date: 2011-06-15
NANJING INST OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these friction stud welding systems can only solve small diameter studs, and medium and large diameter studs cannot be directly welded

Method used

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  • Metal stud welding system combined with friction heat source
  • Metal stud welding system combined with friction heat source
  • Metal stud welding system combined with friction heat source

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1. combine figure 1 with figure 2 , a metal stud welding system with a composite friction heat source proposed by the present invention, mainly consists of a metal stud [1], a stud outer ring [2], a metal matrix [3], a stud chuck [4], a stud Outer ring chuck [5], stud axial displacement device [6], stud rotation device [7], stud outer ring axial displacement device [8], stud outer ring rotation device [9] and stud Brake [10] is formed. Wherein, metal stud [1] is the metal stud of shapes such as circular solid metal stud, circular hollow metal stud or square metal stud; Stud outer ring [2], stud chuck [4] and Stud outer ring collet [5] matches the type of metal stud [1] and metal base [3]; stud axial displacement device [6], stud rotation device [7], stud outer ring shaft The configuration requirements and working methods of the displacement device [8], the stud outer ring rotation device [9] and the stud brake [10] are basically the same as those of the exi...

Embodiment 2

[0019] Example 2. combine image 3, the metal stud welding system for the composite friction heat source of the circular hollow stud proposed by the present invention mainly consists of a circular hollow metal stud [1-1], a stud outer ring [2], a metal matrix [3] , stud chuck [4], stud outer ring chuck [5], stud axial displacement device [6], stud rotation device [7], stud outer ring axial displacement device [8], screw Column outer ring rotating device [9] and stud brake [10] are formed. Among them, an aluminum circular hollow metal stud [1-1] with a diameter (φ) greater than or equal to 10 mm or a steel circular hollow metal stud [1-1] with a diameter greater than or equal to 25 mm. Utilize the auxiliary friction preheating between the outer ring [2] of the large-diameter stud and the metal matrix [3] to increase the temperature of the metal matrix [3] and increase the total heat input of welding. Through the friction between the stud outer ring [2] and the circular hollo...

Embodiment 3

[0020] Example 3. combine Figure 4 with Figure 5 , the metal stud welding system for the compound frictional heat source of the square metal stud proposed by the present invention mainly consists of the square metal stud [1-2], the stud outer ring [2], the metal matrix [3], the stud Chuck [4], stud outer ring chuck [5], stud axial displacement device [6], stud rotation device [7], stud outer ring axial displacement device [8], stud outer ring Swivel device [9] and stud brake [10] are formed. Among them, the square metal stud [1-2] is an aluminum square metal stud with a cross-sectional dimension (side length B) greater than or equal to 10×10 mm or a steel square metal stud with a cross-sectional dimension greater than or equal to 25×25 mm. Utilize the auxiliary friction preheating of the outer ring [2] of the large-diameter stud to increase the temperature of the metal substrate [3] and increase the total heat input of welding. Through the friction between the stud outer...

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Abstract

The invention relates to a metal stud welding system, and in particular relates to a metal stud welding system combined with a friction heat source. A stud outer ring is directly driven by the axial displacement of the stud outer ring and a rotation device to move up and down and rotate, so as to achieve the large-area auxiliary friction pre-heating between the stud outer ring and a metal substrate, thereby increasing the total heat input for welding; the metal stud is directly driven by the axial displacement of the stud and a rotation device to move up and down and rotate so as to generate heat by rotation friction; the temperatures of the metal stud and the metal substrate respectively reach the solid-phase welding temperature range of a contact surface material due to the friction heat between the stud outer ring and the metal substrate, and between the metal stud and the metal substrate; and a stud chuck is driven to upset the metal stud so as to achieve the friction welding of the metal stud. The metal stud welding system can improve the effective welding area of metal studs, in particular to a large-diameter stud, enhance the interface bonding strength and the deformation resistance, and improve the metal stud welding efficiency and the like.

Description

technical field [0001] The invention relates to a metal stud welding system, in particular to a metal stud welding system with a composite frictional heat source. Background technique [0002] Metal stud welding is the process by which a metal stud or other stud-like rod is welded to another workpiece. Generally, the metal stud welding process mainly includes arc stud welding system, resistance welding system and friction welding system. It is widely used in industrial sectors such as engineering, bridge construction engineering, electric power station, transportation, petrochemical energy engineering and decoration industry. However, ordinary arc stud welding and capacitor energy storage arc stud welding require an arc discharge tip on the top of the stud, which is powered by a welding power supply to generate an instantaneous arc between the tip and the metal base, melting the tip and forming a welded joint under pressure , not suitable for hollow metal stud welding. An...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K20/12B23K20/26
Inventor 朱军周琦王克鸿张德库冯曰海黄俊顾明乐张施楠冯胜昆
Owner NANJING INST OF TECH
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