| 摘要 |
According to the present invention, a mechanical scribing head unit easily exchanging a needle comprises: a needle turret unit (110) where a plurality of exchangeable needle units are assembled; a needle turret rotation unit (120) connected with the needle turret unit (110) to rotate the needle turret unit (110); and a needle pressing unit (130) pressurizing the needle unit by predetermined pressure. The present invention entirely exchanges a needle turret when all of needles attached to the needle turret are worn out in order to increase an exchanging period of the needle and reducing time required for exchanging the needles. |
