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Electric arc automatic-welding welding fume collecting device and method for testing welding fume amount

A technology for collecting and testing fume and dust, applied in arc welding equipment, welding equipment, welding accessories, etc., can solve the problem of large influence on the stability of welding parameters, achieve accurate and effective test results, and be conducive to accurate measurement and welding parameters. Small fluctuation effect

Inactive Publication Date: 2010-05-12
TIANJIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Even the GMAW and FCAW processes are currently tested by semi-automatic welding methods, which also require manual welding operations, and the stability of welding parameters is greatly affected by human factors

Method used

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  • Electric arc automatic-welding welding fume collecting device and method for testing welding fume amount
  • Electric arc automatic-welding welding fume collecting device and method for testing welding fume amount
  • Electric arc automatic-welding welding fume collecting device and method for testing welding fume amount

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Embodiment Construction

[0049] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments:

[0050] Such as figure 1 As shown, the present invention discloses a smoke and dust collection device for testing the amount of dust generated by arc automatic welding, including a smoke and dust collection box composed of a substantially closed box body 8, and the shape of the box body 8 is not strictly limited. It can be a combination of a rectangular parallelepiped and a trapezoid shown in the drawings, or a combination of a cylinder and a cone, etc. The top of the box 8 is provided with a filter membrane 7, and the bottom of the box 8 is provided on the base 14. , The box body 8 is made of a material with a relative magnetic permeability of less than 2, and the box body 8 has a plate thickness of about 0.5mm to 2mm. The volume of the smoke and dust collection box box 8 should not be too small to facilitate operation.

[0051] The filter membrane...

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Abstract

The invention discloses an electric arc automatic-welding welding fume collecting device and a method for testing welding fume amount. The collecting device comprises a fume collecting box, wherein the fume collecting box is provided with a box door, the top of the fume collecting box is provided with a filtering film, and a left shaft and a right shaft the inner ends of which are provided with top cones symmetrically penetrate through the wall of the box; the outer end of the left shaft is connected with a motor, and a device which is connected with and used for clamping a welding gun through an adjustable transverse guide column and a vertical guide column is arranged in the fume collecting box. The method for testing welding fume amount comprises the following steps: generating and precipitating welding fume by the device; then collecting precipitated fume, microsplash, welding slag, and the like with velvet paper and absorbent cotton; further separating the fume, the microsplash and the slag with microsize; and obtaining the fume amount in unit time by calculation. The invention improves the stability in the process of electric arc welding by automatic welding, reduces the influence of human factors, collects fume in the collecting box after natural precipitation and can realize more complete separation of the welding fume, the microsplash and the smelting slag.

Description

Technical field [0001] The present invention relates to a method and device for welding process research, in particular, to a method and device for arc automatic welding process research. Background technique [0002] Arc welding is a welding method widely used in modern industrial production, and most of the gas shielded welding is applied by automatic welding or semi-automatic welding. In recent years, automatic welding technology has become more and more widely used. At the same time, the proportion of non-automatic welding technology represented by electrode arc welding has been greatly reduced. Therefore, technicians pay more attention to the research of automatic welding technology. [0003] Welding fumes will be generated during the arc welding process of metal materials. The nature of welding fumes is an important technical indicator for welding process research. Studying the welding fume generated by different welding methods and different parameters can evaluate and impr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/32B23K9/12
Inventor 杨立军冯灵芝李桓高书俊张金元
Owner TIANJIN UNIV
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