Capacitor nail coil and nail deviation detection method and detection device

Abstract

The invention discloses a capacitor nail coil and nail deviation detection method and detection device. The capacitor nail coil and nail deviation detection method comprises the following steps of: ina capacitor core wrapping and rolling process, nailing a lead to an electrode foil, then detecting whether the nailed lead is perpendicular to a long edge of the electrode foil or not, if the nailedlead is detected to be in a non-perpendicular state, giving an alarm and conducting shutdown, and if the nailed lead is detected to be in a perpendicular state, not giving an alarm, and further performing coiling. Whether the nailed lead is perpendicular to the long side of the electrode foil or not is detected, if the nailed lead is not perpendicular to the long side of the electrode foil, an alarm is given and shutdown is conducted, and if the nailed lead is perpendicular to the long side of the electrode foil, an alarm is not given and coiling is further conducted. Therefore, defective products with deviated nailed leads cannot flow to a next process, short circuit caused by aging is reduced, the cost is reduced, and the product yield is improved.

Description

technical field [0001] The invention relates to the technical field of capacitor manufacturing, in particular to a method and a detection device for detecting deviation of capacitor nail coils. Background technique [0002] In the production process of winding capacitors, a fully automatic nail winding machine (also known as a nail winding machine) is often used to roll the core package (also known as a prime), such as the Chinese invention patent (public number CN104658772A, publication date 2015- 05-27) discloses a fully automatic stitching winding machine and its element manufacturing method. The general rolling process is as follows: (1) Release the positive foil from the positive foil discharging mechanism, and the positive foil passes through the positive nailing machine mold mechanism, Stand still and wait in it, the nailing machine mold mechanism punches holes on the positive foil, and then resets, the nailing machine mold mechanism moves forward, and at the same tim...

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Problems solved by technology

[0003] Existing full-automatic nailing and coiling machines have the following defects: the nail deviation problem will exist due to workpiece errors during the nailing, riveting or crimping process, that is, the lead wire does not align with the The positive foil or the negative foil are in a vertical relationship with a certain angle. However, in the existing automatic nail coiling machines, the straightening is only performed when the lead wire is nailed, and no subsequent detection measures are adopted, resulting in even if the lead nail is biased. , the nailing and coiling machine will not alarm and shut down, but will continue to roll the core package, but after subsequent chemical formation, impregnation, assembly, and aging, the product with the lead nail deviation will lead to abnormal product parameters and short circuit defects. Even if the aging process is still not eliminated, the short circuit caused by the flow of products to the client will have a greater impact

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