| 摘要 |
An apparatus for the maintenance of a needle-bearing plate of a needle-punching machine equipped with an operating head movable in two perpendicular directions in a parallel relation to the plate mounted on the apparatus. The operating head includes a unit for extracting a damaged or worn needle, a unit for positioning a new needle in the respective seat of the plate, a data processing and storage unit for the operating control and for storing the needle map of each plate. The apparatus further has a unit for detecting the position of the needle seats cooperating with the data processing unit for carrying out the mapping of each plate. The apparatus also has a unit for detecting the presence of a needle in the respective position on the plate to indicate whether the needle is damaged or not. |
