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    • 3. 发明授权
    • Bag filling machine for powdery material
    • 袋装灌装机用于粉末材料
    • US4074507A
    • 1978-02-21
    • US754176
    • 1976-12-27
    • Walter RufHarry Edward Rothmann
    • Walter RufHarry Edward Rothmann
    • B65B1/04B65B1/12B65B1/28B65B1/30B65B1/32B65B1/34B65B37/10B65B43/26B65B43/42B65B43/52B65B55/24B65B43/34
    • B65B1/12B65B1/34B65B55/24
    • A machine is disclosed to bag powdery material wherein primary and secondary preconditioning chambers are used, having a volume sufficient to give enough time for the powdery material to become de-aerated. This de-aerated powdery material is then supplied to a bulk filling station and a dribble filling station. Bags spouted at the bulk filling station are filled to about 90 percent of their normal capacity and are then moved laterally to the dribble filling station whereat the bags are rapidly filled to a weight close to the desired exact weight and by automatic speed changing means filled to exact weight at a slower rate. The bags are supported at the top by grippers at both filling stations with the calibrated weight scale being actuated by weight on the grippers at the dribble filling station. An auger at the bulk filling station forces the powdery material down into a generally closed bag to force the bag open by the incoming material to thus keep air out of the bag as much as possible. This saves time in the filling of the bags because time need not be spent waiting for the air to escape out of the powdery material in the bag before the bag can be closed and sealed. A vacuum probe may be inserted into the bag while being filled to help this de-aeration. The foregoing abstract is merely a resume of one general application, is not a complete discussion of all principles of operation or applications, and is not to be construed as a limitation on the scope of the claimed subject matter.
    • 公开了一种用于袋式粉末材料的机器,其中使用初级和次级预调节室,其具有足以给粉状材料脱气足够的时间的体积。 然后将该脱气的粉状材料供应到散装填料站和运球加油站。 在散装填料站喷出的袋子填充到其正常容量的约90%,然后横向移动到运球加油站,在那里袋子被快速填充到接近所需精确重量的重量,并且自动变速装置填充到 精确的重量在较慢的速度。 袋子由两个加油站的夹具在顶部支撑,校准的重量秤由运球加料站上的夹具重量推动。 批量加油站的螺旋钻将粉末材料压入通常封闭的袋子中,以迫使袋子被进入的材料打开,从而尽可能多地将空气从袋子中留出。 这样可以节省袋子的填充时间,因为在袋被封闭和密封之前不需要花费时间等待空气从袋中的粉状物质中排出。 真空探头可以在填充时插入袋中以帮助该除气。 上述摘要仅仅是一般应用的简历,不是所有操作原理或应用的完整讨论,并不被解释为对所要求保护的主题的范围的限制。