The invention relates to a welding spot polishing device and method, a vehicle body wall plate and a railway vehicle, the welding spot polishing device comprises an abrasive belt, a driving wheel set and a pressing plate, the pressing plate comprises a pressing plate body, a plurality of bosses which are arranged at intervals and protrude towards the abrasive belt direction are arranged on the surface of the pressing plate body, the bosses make contact with the abrasive belt during polishing, and the abrasive belt is driven by the driving wheel set. And a natural convection channel communicated with the outside is formed in a gap between the bosses. According to the grinding method, the surface of the workpiece is divided into a plurality of parallel grinding areas, the pressing plate reciprocates in the grinding areas, and different grinding areas are sequentially ground in a stepping advancing mode. The polishing efficiency can be greatly improved, thermal deformation of the stainless steel sheet is reduced, and the quality of a polished product is improved.

    本发明涉及一种焊点打磨装置、打磨方法、车体墙板及轨道车辆,焊点打磨装置包括砂带、驱动轮组以及压板,所述压板包括压板主体,在所述压板主体的表面上具有多个间隔设置的向所述砂带方向凸出的凸台,打磨时所述凸台与砂带接触,所述凸台之间的间隙形成与外界连通的自然对流通道。打磨方法是将工件表面分成多个平行的打磨区域,压板在打磨区域内作往复移动,不同打磨区域采用步进的行进方式依次打磨。本发明可大幅提升打磨效率,降低不锈钢薄板热变形,提升打磨后产品质量。


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    Title :

    Welding spot polishing device and method, vehicle body wallboard and railway vehicle


    Additional title:

    一种焊点打磨装置、打磨方法、车体墙板及轨道车辆


    Contributors:
    ZHAO YANQIANG (author) / FANG XIFENG (author) / CHI JIANBO (author) / GAO BIN (author) / YUAN YAOWEI (author)

    Publication date :

    2024-08-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING , Maschinen, Einrichtungen oder Verfahren zum Schleifen oder Polieren / B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES



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