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    • 2. 发明授权
    • Labeling apparatus
    • 贴标仪
    • US4620888A
    • 1986-11-04
    • US646954
    • 1984-09-04
    • William M. EasterEric GiffordRick S. WehrmannDana Liebhart
    • William M. EasterEric GiffordRick S. WehrmannDana Liebhart
    • B29C63/18B65C3/08B32B31/00
    • B65C3/08B29C63/18B29L2031/7158Y10T156/12Y10T74/18288Y10T74/18936
    • An apparatus and method for applying tubular labels to a product container at a labeling station including a reciprocally movable labeling assembly. The assembly is adjustably secured to carriage that is mounted for reciprocating movement at the labeling station. A drive system including a drive cam defining an asymetrical profile is operatively coupled to the carriage by a lever arrangement including a cam follower driven by the drive cam. The profile of the drive cam is configured to have a steep rise and a gradual drop so that the average speed at which the labeling assembly is driven through a label applying strobe is substantially less than the speed at which the assembly is driven through a return stroke thus reducing the stress applied to the label as it is installed. A fluid pressure operated actuator pressurized to a first predetermined pressure exerts a biasing force on the lever to urge the cam follower into contact with the drive cam. A sensor monitors the contact between the follower and cam and de-energizes the drive system and arrests rotation of the drive cam in the event loss of contact between the follower and the cam is sensed. The fluid pressure operated actuator can also be pressurized to a second predetermined pressure in order to drive the carriage to a retracted position. An indexing cam is co-driven with the carriage drive cam and operates a bottle advancing mechanism in synchronization with the labeling assembly.
    • 一种用于在包括可往复移动的标签组件的标签站处将管状标签施加到产品容器的装置和方法。 组件可调节地固定到滑架上,该滑架安装成用于在贴标站处往复运动。 包括限定不对称轮廓的驱动凸轮的驱动系统通过包括由驱动凸轮驱动的凸轮从动件的杠杆装置可操作地联接到滑架。 驱动凸轮的轮廓被配置为具有陡峭的上升和逐渐下降,使得标签组件通过标签施加选通件的平均速度基本上小于通过返回行程驱动组件的速度 从而降低在安装时施加到标签上的应力。 被加压到第一预定压力的流体压力操作的致动器在杠杆上施加偏压力以促使凸轮从动件与驱动凸轮接触。 传感器监测从动件和凸轮之间的接触,并且在感测到从动件和凸轮之间的接触失去的情况下,驱动系统的断开和停止驱动凸轮的旋转。 流体压力操作的致动器也可以被加压到第二预定压力,以便将滑架驱动到缩回位置。 分度凸轮与托架驱动凸轮共同驱动,并与标签组件同步地操作瓶子推进机构。