一种卷对卷真空镀膜放卷机构

Abstract

本实用新型公开了一种卷对卷真空镀膜放卷机构，涉及镀膜放卷技术领域，包括底座，所述底座的后端上方安装有机箱，所述机箱的前端通过轴承安装有放卷辊，且放卷辊上安装有定位器；所述底座的前端安装有位移模块，且位移模块的输出端安装有卷料上料模块和支撑模块，所述卷料上料模块用于将卷料套设在放卷辊上，所述支撑模块用于支撑放卷辊的前端。该卷对卷真空镀膜放卷机构，通过卷料上料模块提高上料效率，且便于调整卷料初始出料方向，同时利用定位器双向夹紧防止卷料窜动，并利用承托滚筒的支撑减少放卷辊挠度，有效保障放卷稳定。

Claims

1. A roll-to-roll vacuum coating unwinding mechanism, characterized in that: Includes a base (1), a housing (2) is installed above the rear end of the base (1), a unwinding roller (3) is installed at the front end of the housing (2) via a bearing, and a positioner (4) is installed on the unwinding roller (3). The base (1) is equipped with a displacement module (5) at its front end, and the output end of the displacement module (5) is equipped with a roll feeding module and a support module. The roll feeding module is used to place the roll on the unwinding roller (3), and the support module is used to support the front end of the unwinding roller (3).

2. The unwinding mechanism of the roll-to-roll vacuum coating according to claim 1, wherein: The positioner (4) includes a fixed conical sleeve (41) and a mounting sleeve (42) fixedly sleeved on the outside of the unwinding roller (3). The mounting sleeve (42) is located at the front end of the fixed conical sleeve (41), and a movable conical sleeve (43) is threadedly installed on the outside of the mounting sleeve (42).

3. The unwinding mechanism of claim 1, wherein: The displacement module (5) includes a threaded rod (51) mounted on the right side of the base (1) via a bearing. The outer side of the threaded rod (51) is threaded with a first threaded sleeve (53) and a second threaded sleeve (54). The displacement module (5) also includes a guide rod (52) fixed on the left side of the base (1). The outer side of the guide rod (52) is fitted with a first limiting sleeve (55) and a second limiting sleeve (56).

4. The roll-to-roll vacuum coating unwinding mechanism according to claim 1, characterized in that: The support module includes a bracket (6), the lower ends of the left and right sides of the bracket (6) are fixedly connected to a limiting cylinder (55) and a threaded sleeve (53) respectively, and a supporting roller (7) is rotatably installed on the upper end of the bracket (6).

5. The unwinding mechanism of claim 4, wherein: The coil feeding module includes a second bracket (8), the lower ends of the left and right sides of the second bracket (8) are fixedly connected to a second limiting cylinder (56) and a second threaded sleeve (54) respectively, and an electric scissor lift (9) is installed above the second bracket (8), and a base plate (10) is installed at the output end of the electric scissor lift (9), and a roller (11) is installed above the base plate (10).

6. The unwinding mechanism of claim 5, wherein: The supporting roller (7) and the idler roller (11) are provided in two sets, and the two sets of supporting rollers (7) and the two sets of idler rollers (11) are symmetrically distributed about the center of the unwinding roller (3), and the supporting rollers (7) and the idler rollers (11) are parallel to the unwinding roller (3).

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