A method for manufacturing a flat glass tube and forming die for manufacturing, with flat section glass tube forming die, especially for flat glass manufacturing flat section of the He Ne laser discharge tube for high flatness, flatness, no distortion, high precision tube. The present invention by the steps of manufacturing flat glass tube: a) in the automatic vertical type tube drawing device pull circular glass tube; b) in the automatic vertical type tube drawing equipment for glass kiln is arranged below a discharge hole forming die, get flat glass tubes; c) roller group using the automatic vertical type tube drawing equipment under the pulling of flat glass forming tube. The invention has the advantages of high production efficiency, low cost and convenient processing.
【技术实现步骤摘要】
【技术保护点】
一种扁平玻璃管的制造方法，其特征是包括下列步骤：ａ）在自动竖式拉管设备上利用常规的制造方法拉制圆玻璃管；ｂ）在上述自动竖式拉管设备的玻璃窑出料口的下方设置成形拉模，该成形拉模位于上述拉制过程中的处于尚未硬化状态的圆玻璃管部位，该未硬化的圆玻璃管在下行的过程中被挤压变形，得到扁平玻璃管；ｃ）利用上述自动竖式拉管设备下方的滚轮组对已成形的扁平玻璃管拉拨。
【技术特征摘要】
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