Polishing device for sealing part of oil injection hole of power capacitor

Abstract

The invention discloses a polishing device for a sealing part of an oil injection hole of a power capacitor. The polishing device comprises a spline shaft, a polishing tool, a cutting force adjustment device, a positioning device and a power device, wherein the polishing tool, the cutting force adjustment device and the positioning device are sleeved on the spline shaft; the polishing tool is sleeved on a spline structure part of the spline shaft; the cutting force adjustment device comprises a spring which is placed on a tool rest, a spring end cover and a nut which is arranged at a threaded structure part of the spline shaft on the spring end cover; the positioning device is a positioning block which is mounted on an optical shaft at the bottom of the spline shaft through a bearing; the shape of the bottom of the positioning block fits the appearance of a seal cover of the oil injection hole of the power capacitor; and the top and bottom of the bearing are limited by an upper check ring and a lower check ring respectively. In the polishing device, the power device drives the spline shaft to rotate to further drive the polishing tool to polish and slick tin bumps on the tin soldering surface of the sealing part of the oil injection hole, so that planishing of a welding part is finished. The device reduces the labour intensity of a process greatly and improves working efficiency at the same time.

Description

technical field [0001] The invention relates to a polishing device for polishing the soldering surface of the sealing part of the oil filling hole of a power capacitor. Background technique [0002] A power capacitor is an electrical appliance widely used in power systems. For capacitors, the flatness of the seal of the oil hole sealing cover becomes an important factor affecting the appearance quality of the product. Since the sealing surface is soldered and the base material of the capacitor is stainless steel, although the seal has been tinned before welding, there will still be defects such as uneven edges, tin bumps, and solder accumulation on the solder surface during welding. Therefore, After the welding is completed, the welding place needs to be leveled, and the current way of leveling is to use a file to file it. This method is labor-intensive and inefficient. Contents of the invention [0003] The technical problem to be solved by the present invention is to p...

AI Technical Summary

Problems solved by technology

Since the sealing surface is soldered and the base material of the capacitor is stainless steel, although the seal has been tinned before welding, there will still be defects such as uneven edges, tin bumps, and solder accumulation on the solder surface during welding. Therefore, After the welding is completed, the welding place needs to be leveled, but the current way of leveling is to use a file to level it. This method is labor-intensive and low in efficiency.

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