Method and apparatus for classifying fruit having hard shell by its size, and cracking the shell |
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| 申请号 | JP15158184 | 申请日 | 1984-07-21 | 公开(公告)号 | JPS6131071A | 公开(公告)日 | 1986-02-13 |
| 申请人 | Hidetsugu Tsujita; | 发明人 | TSUJITA HIDETSUGU; | ||||
| 摘要 | PURPOSE: To carry out the classification and the cracking of fruits having hard shell, in high efficiency, by forwarding the fruits linearly and horizontally, allowing to drop spontaneously in order of size, and clamping the fruit with a pair of rollers placed in the same vertical place as the line of transfer and forming a tapered gap between the rolls. CONSTITUTION: A pair of classification rolls 11, 12 and a pair of cracking rolls 16 are arranged vertically. The gap between the rolls of each roll pair is made to be broader at the tip than at the base, and the directions of the gaps of the roll pairs are made to be the same. A spiral ridge 13 is protruded from the surface of one of the classification rolls, and the gap between the cracking rolls 16 at an arbitrary position is made to be smaller than the gap between the classification rolls placed just above the cracking rolls. The cracking rolls 16 are rotated around their own axes along the direction to effect the biting of the fruit. The fruits are preliminarily classified by size, and are pressed with the cracking rolls having a gap corresponding to the size of the fruit. Accordingly, the classification and cracking of the fruit can be carried out in high efficiency. Since the cracking of a large fruit with a small roll gap is avoided by the above apparatus, the damage of the content of the fruit can be prevented. COPYRIGHT: (C)1986,JPO&Japio |
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