The invention discloses an integrated molding process for producing a rear controller shell of a lower tube of an electric bicycle. The integrated molding process comprises the following steps: step one, extruding; step two, first saw cutting; step three, tube shrinkage; step four; step four, tube drawing; step five, floral tube molding; step six, flattening; step seven, bending; step eight, prepressing and molding; step nine, water injection molding; step ten, second saw cutting; and step eleven, grinding. A motor base and a lower tube are combined into a whole, and integrated molding production of the rear controller shell of the lower tube of the electric bicycle is realized. The whole production process is green and environment-friendly, the production efficiency is high, and the product is attractive in appearance and excellent in mechanical property.

    一种电动自行车下管后置控制器外壳生产用一体成型工艺,包括步骤一挤型;步骤二第一锯切;步骤三缩管;步骤四抽管;步骤五花管;步骤六压扁;步骤七压弯;步骤八预压成型;步骤九水注成型;步骤十第二锯切;步骤十一研磨。将马达座与下管合二为一,实现了电动自行车下管后置控制器外壳生产一体成型生产。整个生产工艺绿色环保,生产效率较高,且其产品外观美观、机械性能优良。


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    Title :

    Integrated molding process for producing rear controller shell of lower tube of electric bicycle


    Additional title:

    一种电动自行车下管后置控制器外壳生产用一体成型工艺


    Contributors:
    ZHENG BOWEN (author)

    Publication date :

    2020-08-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B23P Sonstige Metallbearbeitung , OTHER WORKING OF METAL / B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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