| 摘要 |
An apparatus for connecting front and rear ends of Hoffmann filters is provided to reduce the replacement time of the filters by connecting easily a preceding Hoffmann filter and a following Hoffmann filter in a filtering system for recycling rolling oil, and prevent deterioration of rolling quality by maintaining function of the filtering system, thereby preventing addition of impurities into the rolling oil. An apparatus for connecting front and rear ends of Hoffmann filters comprises: an automatic transfer part for piling up a predetermined amount of Hoffmann filters to guide the Hoffmann filters into a filtering system automatically; and a joining part for joining a rear end of a preceding Hoffmann filter with a front end of a following Hoffmann filter, wherein the automatic transfer part includes: a piling stand(101) on which Hoffmann filters to be replaced are piled to guide the Hoffmann filters into the filtering system automatically; a Hoffmann filter drive motor(104) for releasing the front end of the following Hoffmann filter transferred through the piling stand; an idle roll(105) for guiding the front end of the following Hoffmann filter to the joining part; and a stock amount sensor(103) for confirming a stock amount according to use of the Hoffmann filters. The piling stand includes filter-fixing bar guides(102) for aligning the piled Hoffmann filters constantly and preventing the Hoffmann filters from being separated from the piling stand to transfer the Hoffmann filters to the right position. The joining part includes an upper lifting plate(110), a lower fixed plate(111), a lower lifting plate(112), and a lifting cylinder(115).
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