Anode steel claw welding tool and method

A technology for anode steel claws and welding tooling, applied in the field of anode steel claw welding tooling and welding, can solve the problems of low strength and electrical conductivity at the welding seam, and achieve the effects of improving welding efficiency, prolonging service life and reducing power consumption

Pending Publication Date: 2019-01-22
ZHENGZHOU JINGWEI TECH & IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide an anode steel claw welding tool and welding method to solve the technical problem of low strength and low conductivity of the weld seam in the existing welding technology of anode steel claws

Method used

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  • Anode steel claw welding tool and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1: A kind of anode steel claw welding frock, see figure 1 with figure 2 , including a water-cooling mold composed of an upper water-cooling module 2 and a lower water-cooling module 5, and a positioning baffle (which has the functions of positioning and preventing melt outflow) 6 abutting on the side wall of the upper water-cooling module 2, the water-cooling The interior of the mold is provided with a cavity and a water channel for water circulation, including a lower circulation water chamber 8 and an upper circulation water chamber 9, and the material of the water-cooling mold is copper, graphite or high-alumina refractory material; the top of the upper water-cooling module 2 is provided with an opening, The upper water-cooling module 2 and the lower water-cooling module 5 are used for clamping and fixing the welding end of the steel claw head 1 and abutting against the beam 3 to be welded together with the positioning baffle 6, and the pair of steel cla...

Embodiment 2

[0034] Embodiment 2: Utilize the welding mold in embodiment 1 to carry out the method for anode steel claw welding, adopt wire electromechanical slag welding to cooperate with above-mentioned mold to carry out steel claw repair, concrete steps are as follows:

[0035] (1) Surface treatment is carried out on the surface to be welded of the steel claw head 1 and the beam 3 to remove the surface slag and oxide layer to expose the metallic luster; the surface to be welded of the steel claw head 1 and the beam 3 is a vertical surface, and no beveling is required. Standing seam welding can be done directly;

[0036] (2) Place the steel claw head 1 on the lower water-cooling module 5 of the welding mold, and make the upper water-cooling module 2 and the lower water-cooling module 5 mold together, and the beam 3 and the welding end of the steel claw head 1 are aligned and fit in For the water-cooled mold, the positioning baffle 6 is abutted against the side wall of the upper water-coo...

Embodiment 3

[0038] Embodiment 3: Repair the old anode steel claw by using the method of welding the anode steel claw in embodiment 2. The difference between the steps and embodiment 2 is that before step (1), the following steps are also included: the old steel claw Cut off the claw head, cut a suitable round steel as a new steel claw head, and satisfy the length of the round steel L = length of steel claw head removed l -Weld width D .

[0039] The invention is not only applicable to the manufacture and production of structural steel claws, but also applicable to the repair of old steel claws. The welding cost of the invention is low, and compared with the traditional technology, it can save the cost of beveling and repairing, has high efficiency, and reduces labor cost. The welded joints after welding have excellent mechanical properties (tensile strength ≥ 260Mpa), full-section welding can ensure good electrical conductivity, and can achieve the same performance as the base metal, a...

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Abstract

The invention discloses an anode steel claw welding tool and method and aims to solve the technical problem that weld joint strength and conductivity are low in the prior art. The anode steel claw welding tool comprises a die formed by at least two combination modules and is characterized in that the die fixes a steel claw head welding end, is abutted against a to-be-welded crossbeam and allows asteel claw head to align with the rear of the crossbeam to form a weld joint weld pool with a top or lateral upper opening at a to-be-welded junction part; during welding, the steel claw head is placed in the combination modules of the welding die, the combination modules are combined to allow the crossbeam to align with the steel claw head welding end and be coordinated with the die to form a weld joint weld pool with a top or lateral upper opening at a to-be-welded junction part; a welding gun is used to perform electroslag welding through the opening of the weld joint weld pool until base metal on two sides is completely integrally fused. By the anode steel claw welding tool, anode steel claw welding cost can be lowered, service life can be prolonged, power consumption can be lowered, and the mechanical performance and conductivity of a steel claw welded by the tool are better than those of a steel claw welded by manual arc welding.

Description

technical field [0001] The invention relates to the technical field of welding of electrolytic aluminum equipment, in particular to an anode steel claw welding tool and a welding method. Background technique [0002] Anode steel claws are one of the necessary components in the production process of electrolytic aluminum. There are two main forms of commonly used anode steel claws: structural steel claws and cast steel claws. For structural steel claws, it is often necessary to weld the steel claw head and the beam during the production process. The anode steel claws will be corroded to varying degrees during use, and part of the steel claw heads of the same anode will also be corroded and thinned to varying degrees. , Continued use will affect the conductivity and load-bearing effect of the anode, but the entire beam is intact, and other steel claws can still be used normally. At present, most electrolytic aluminum companies often choose to cut off the thinned steel claw he...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K25/00
CPCB23K25/00
Inventor 王旭东白庆国孔威威朱康曹志伟
Owner ZHENGZHOU JINGWEI TECH & IND
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