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实用新型
CN204021322U 卷膜装置和纸币塑封包装机 失效 - 权利终止

卷膜装置和纸币塑封包装机
摘要：
本实用新型提供了一种卷膜装置和纸币塑封包装机。卷膜装置包括相连接的基座、驱动部件、下前轮、环状的上传动链、上链板、上前轮、上后轮、环状的下传动链、下链板和下后轮。本实用新型提供的卷膜装置，将上传动链与上链板端部处的滑动摩擦、下传动链与下链板端部处的滑动摩擦均变换成滚动摩擦，来降低上链板的端部处和下链板的端部处的磨损，以延长上链板和下链板的使用寿命；同时也解决了上链板和下链板因长时间使用导致的端部处磨损、而最终造成上传动链两端和下传动链两端的张紧力不足的问题，这样，上传动链和下传动链相配合的部分在传动过程中就不会出现相对滑动的状况了，保证了卷膜的输送稳定性，使得卷膜装置的卷膜效果得以提升。
摘要（英）：

The utility model provides a film rolling device and a paper money plastic package packing machine. The film rolling device comprises a base, a driving part, a lower front wheel, an annular upper transmission chain, an upper chain plate, an upper front wheel, an upper rear wheel, an annular lower transmission chain, a lower chain plate and a lower rear wheel which are connected with one another. According to the film rolling device, the sliding friction of the end of the upper transmission chain and the end of the upper chain plate and the sliding friction of the end of the lower transmission chain and the end of the lower chain plate are both changed to rolling friction to lower the abrasion of the end of the upper chain plate and the end of the lower chain plate, and therefore the service life of the upper chain plate and the lower chain plate is prolonged. Meanwhile, the problem of insufficient tensioning force at the two ends of the upper transmission chain and the two ends of the lower transmission chain finally caused by abrasion of the end of the upper chain plate and the end of the lower chain plate due to long time using is solved. Accordingly, the matched parts of the upper transmission chain and the lower transmission chain can not slide relatively in the transmission process, the conveying stability of a rolling film is guaranteed, and the film rolling effect of the film rolling device is improved.

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