一种歧管内气泡产生可控的狭缝涂布槽模头
By designing a slit coating die head with controllable air bubbles inside the manifold, the problem of air bubbles in the initial stage of coating was solved, improving film uniformity and coating quality, and reducing equipment maintenance and production costs.
CN117000515BActive Publication Date: 2026-07-17DALIAN UNIV OF TECH
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- DALIAN UNIV OF TECH
- Filing Date
- 2023-07-17
- Publication Date
- 2026-07-17
Smart Images
Figure CN117000515B_ABST
Abstract
本发明公开了一种歧管内部气泡产生可控的狭缝涂布槽模头，包括第一涂布模块、第二涂布模块、第三涂布模块和垫片。本发明对产品进行涂布时，在压力作用下，光学液态胶从第一涂布模块与第三涂布模块形成的狭缝挤出。这样在涂布时，光学液态胶可以先均匀充满歧管，随后进入蓄液槽进行涂布操作，这样既减少了气泡的产生，又减少前期光学液态胶的浪费，提高了薄膜的均匀性和涂布质量。本发明满足了歧管内气泡产生可控的需求，通过设置进液通道与歧管底部相切和进液通道与水平面的角度，实现了光学液态胶在歧管内的均匀分布，减轻了涂料对歧管的冲击与侵蚀，降低了设备维护和更换的成本。
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