Epoxy molding tube cutting apparatus

By employing a two-step gradient cutting process involving external circumferential cutting and internal cutting, along with a synchronous rotating roller design, the problems of edge chipping and cut quality in epoxy molding compound pipe cutting equipment during the cutting process have been solved, achieving efficient and low-cost cutting results.

CN122401540APending Publication Date: 2026-07-17JIANGSU OCEAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGSU OCEAN UNIV
Filing Date
2026-05-20
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing epoxy molding compound pipe cutting equipment is prone to chipping, delamination and micro-cracks during the cutting process, especially for large-diameter or thin-walled pipes. In addition, the equipment is expensive or produces toxic fumes. Insufficient clamping and feeding mechanisms result in poor cut flatness.

Method used

The two-step gradient cutting process of external circumferential cutting and internal cutting is adopted. Combined with the circumferential rotation of the pipe, constant friction is provided by synchronous rotating rollers and bonding extrusion frame to transfer stress concentration points to the inner side of the pipe wall. The inclined structure of the cutting blade is used to realize mechanical linkage to deflect the blade, which simplifies the equipment structure.

Benefits of technology

It significantly improves the smoothness and flatness of pipe cuts and the yield rate, reduces equipment costs, avoids the risk of mechanical interference and equipment damage, and ensures a smooth cutting process.

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Abstract

本发明涉及环氧模塑料管技术领域,尤其涉及一种环氧模塑料管切割设备,包括机体、收料槽、切割移动装置和切割刀头,所述机体顶部左侧设置有传动箱,所述传动箱顶部转动设置有送料导向杆,所述传动箱顶部设置有能够左右平移的送料推架,所述传动箱顶部右侧设置有能够同方向转动的转动驱动辊。本发明,通过外部环切与内侧切断的两步梯度切割工艺,结合管材的周向自转,先行在外壁形成规整的环形预制槽,而后由内向外进行最终分离切割,该技术方案将材料断裂的应力集中点转移至管壁内侧,不仅保证了管材外部切口的光滑平整,即使内部发生微量崩碎,亦被隐藏于非外观面,显著提升了产品的良品率与断面质量。
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