Lead battery welding apparatus专利检索-铅屏蔽防辐射专利检索查询-专利查询网

Lead battery welding apparatus

阅读：708发布：2022-04-20

专利汇可以提供Lead battery welding apparatus专利检索，专利查询，专利分析的服务。并且A welding method for fusing lead components together in a leadcontaining electrochemical cell is disclosed together with apparatus for carrying out the method. The method includes forming an ingot-like mold around the lead components to be welded, the walls of the mold being comprised of a material having a high softening point, good thermal conductivity and arcerosion resistance. Arc welding of the components utilizing an inert-gas-shield nonconsumable electrode, e.g., tungsten, is accomplished by passing the electrode over a weldable surface formed by the lead components in an oscillating path at a controlled speed and welding current to permit the lead components to melt and flow into the ingot-like mold while simultaneously controlling heat transfer through the adjacent mold walls. The resultant weld is of low internal impedance and is relatively thick for increased oxidation and corrosion resistance during operation of the battery.，下面是Lead battery welding apparatus专利的具体信息内容。

权利要求

1. A battery welding apparatus having a source of welding current for welding lead components of a battery together comprising: a welding table having a slot, a cell assembly holding fixture inserted within said slot, said holding fixture containing a battery cell having exposed lead parts in close proximity to one another to form a weldable surface, ingot-like mold means having walls substantially surrounding said weldable surface, said walls having good thermal conductivity so as to act as a heat sink, a welding torch, energizable by said welding current, movable with respect to said weldable surface in an oscillatory path across the weldable surface producing a welding arc utilizing an inert-gas-shielded nonconsumable electrode, for joining said lead components.

2. The apparatus of claim 1 wherein said ingot-like mold means is comprised of a pair of opposed movable jaws straddling said weldable surface.

3. The apparatus of claim 2 wherein said jaws are formed of tungsten.

4. The apparatus of claim 3 wherein said nonconsumable electrode consists essentially of tungsten.

5. The apparatus of claim 1 wherein said ingot-like mold means constitutes a counter electrode terminal and said nonconsumable electrode serves as the welding electrode terminal.

6. In a welding apparatus having a controllable source of welding current for joining lead components of a battery cell together, the elements comprising: a welding table having a slot for receiving a battery cell assembly holding fixture within said slot, said battery cell having exposed lead parts in close proximity to one another of disparate relative heat capacities to form a weldable surface; an ingot-like mold having walls substantially surroundable about said weldable surface, said walls having a thermal conductivity of at least about 0.12 cal/cm2/cm/* C/sec.; a welding torch, energizable by said welding current, movable in an oscillatory path across said weldable surface producing a welding arc utilizing an inert-gas-shielded nonconsumable electrode, for joining said lead components.

7. The apparatus of claim 6 wherein said ingot-like mold comprises a pair of opposed retractable caliper-type jaws.

8. The apparatus of claim 7 wherein said jaws are formed of tungsten.

9. The apparatus of claim 6 wherein said welding torch is movable in a sinusoidal path across said weldable surface.

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Lead battery welding apparatus

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