| 摘要 |
A folding unit for corrugated cardboard sheets, the folding unit comprising an inlet and an outlet, a pair of parallel and laterally dispiaceable folding beams, a pair of folding rules arranged under respective folding beams, a par of folding rods fixedly positioned outside respective folding rules and at angle to the respective folding rules, a pair of folding belts arranged under and cooperating with a respective pair of folding rules, a means for supplying and folding two outermost panels of the corrugated cardboard sheet from 0°-90° at the inlet of the folding unit and 90°-180° at the outlet of the folding unit, a pair of wheel stands engaged with respective folding belts, a means for adjusting an angle of said wheel stands to ihe associated conveying belt, and a means for fine adjustment of the angular settings of the wheel stands.
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