Novel extrusion formula mould

• Main Authors: LIU GUANJUN, LI RANSHAN, GAO XIUYING, ZHANG HUILONG
• Format: Patent
• Language: Chinese; English
• Published: 22.06.2016
• Subjects: OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS

The utility model discloses a novel extrusion formula mould, including mold core and die sleeve, the mold core rear end is equipped with the support, the downthehole support pipe that is equipped with in support and the mold core, and it slides between pipe and support, the mold core to support sets up, supports the pipe middle part and is equipped with optical fiber hole, the support rear end is equipped with first stopper, and the hole front end of mold core is equipped with the second stopper. The utility model discloses increase mobilizable supports pipe in the mold core, stretch out the die sleeve with the pipe before disconnected fine, make the material extrude along the pipe, avoid the material suck -back to the mold core in, reduced and traded the fine time, improve production efficiency, the reduction waste, consequently, can avoid giving birth to and produce the in -process, the material suck -back is to the mold core is interior, eccentric is difficult to adjust, intermode apart from the difficult