玻璃杆制造装置及玻璃杆制造方法

By using a centering fixture with an abutment part, an elastic displacement part, and a sliding part during the glass rod manufacturing process, the problem of the bending part oscillating and rotating during the rotation of the glass rod was solved, achieving efficient centering of the glass rod and improving processing efficiency and product quality.

CN117693493BActive Publication Date: 2026-07-17SUMITOMO ELECTRIC INDUSTRIES LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SUMITOMO ELECTRIC INDUSTRIES LTD
Filing Date
2022-08-01
Publication Date
2026-07-17

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Abstract

玻璃杆制造装置是从具有至少一个弯曲部的初始杆制造定芯后的玻璃杆的玻璃杆制造装置，该玻璃杆制造装置具有：保持部，其对初始杆的一端进行保持；加热部，其对至少一个弯曲部之中的一个弯曲部进行加热；以及定芯夹具，其通过使初始杆绕轴线旋转，由此对一个弯曲部和初始杆的另一端之间的振摆回转的部分赋予与轴线交叉的第一方向的力，定芯夹具具有：抵接部，其与部分抵接；弹性位移部，其与部分的振摆回转的振摆宽度相应地使抵接部在第一方向弹性地位移；以及滑动部，其与部分的振摆回转的振摆宽度相应地使抵接部在与轴线及第一方向交叉的第二方向滑动。
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