| 摘要 |
An automatic pallet switching mechanism comprising a pallet support for accommodating a work pallet in a fixed position, a pallet changer for elevating and rotating the work pallet, and pallet fixing structure having clamping apparatus. For fixing the work pallet at a precise position the fixing structure comprises two clamping slides biased against one another and provided with keys for locking engagement in lateral keyways formed on a locking bolt. At least one of the clamping slides is formed with a lateral recess for engagement therein of a control element. Inside the pallet support there is mounted at least one shaft carrying the control element at one end thereof and having its other end adapted to be coupled with the pallet changer via an operating member.
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