| 摘要 |
The invention relates to a holding device (1) for holding and rocking a work piece (2) in a cutting machine (20), the holding device (1) comprising: - a supporting part (9), - a rocking part (5), being movably mounted relative to the supporting part (9), - a fixing mechanism (6) arranged on the rocking part (5) for fixing a work piece (2) on the rocking part (5), - a drive mechanism (26) for moving said rocking part (5) with respect to said supporting part (9), the drive mechanism (26) comprising: - at least one drive pulley (16) rotatably mounted to the supporting part (9), and - flexible pulling means (15) cooperating with the drive pulley (16) and having a first section (15a) and a second section (15b) extending from the drive pulley (16) towards the rocking part (5), the end of the first section (15a) and the end of the second section (15b) being fixedly mounted to the rocking part (5), so that the first pulling means section (15a) pulls the rocking part (5) in a first moving direction (R1) when the drive pulley (16) rotates in a first direction and the second pulling means section (15b) pulls the rocking part (5) in a second moving direction (R2) being opposed to the first moving direction (R1) when the drive pulley (16) rotates in opposite direction.
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