Sheet type medium thickness identifying device and identifying method thereof

Abstract

The invention relates to a sheet type medium thickness identifying device which comprises a thickness shaft, a floating shaft and a sensor, wherein two ends of the thickness shaft are installed on two side boards of a frame through bearings; two ends of the floating shaft are installed on the two side boards of the frame through bearings, and the outer surface of the floating shaft contacts the outer surface of the thickness shaft in a tangential mode; and the sensor is installed on the front face of the frame and used for detecting the amplitude of the tangential point of the floating shaft and the thickness shaft. The sheet type medium thickness identifying device is characterized in that one end of the thickness shaft is fixedly connected with a first synchronous belt wheel, and the first synchronous belt wheel is connected with a first synchronous belt gear wheel through a first synchronous belt; one end of the floating shaft is fixedly connected with a second synchronous belt wheel, and the second synchronous belt wheel is connected with a second synchronous belt gear wheel through a second synchronous belt; and the first synchronous belt gear wheel is meshed with the second synchronous belt gear wheel, and the first synchronous belt gear wheel is assembled on a shaft of a driving motor. The sheet type medium thickness identifying device avoids the slipping phenomenon between the thickness shaft and the floating shaft.

Description

technical field [0001] 本发明涉及一种用于金融自助设备中鉴别薄片类有价文件厚度的鉴别装置和鉴别方法。 Background technique [0002] 现有的金融服务设备领域对纸币的可流通性鉴别过程中,纸币的厚度是一项不可缺少的检测方法。目前通用的机械接触有价文件厚度鉴别方式主要是通过主动部件和从动部件的相对旋转运动加以实现。其中主动部件是厚度主动轴,从动部件包括一轴以及安装在该轴上的浮动件,浮动件在外在压力作用下其表面与厚度主动轴相切接触,是可以随纸币的厚度变化而上下浮动的,因此可检测纸币的厚度。 [0003] 然而,机械接触式有价文件厚度鉴别装置由于加工精度的需求,厚度主动轴表面与从动轴表面非常光滑,同时由于设计中是主动装置带动从动装置进行旋转,故在旋转过程中会产生打滑现象,使得厚度主动轴上的同一点会与从动轴表面的任意点相切,输出的相位没有规律性,不是呈现周期变化,导致厚度检测结果不准确;另外,厚度主动轴与从动轴存在打滑现象,使得轴表面在旋转过程中产生滑动摩擦,加速轴表面磨损,降低其精度,对于同一厚度均匀一致的受测对象在不同时间段测量结果不一致。也就是说,打滑的问题给有价文件的厚度检测带来误差,降低了厚度检测的测量精度,影响了金融设备的检出率。 Contents of the invention [0004] 为了提高机械接触式薄片类介质厚度鉴别装置的测量精度,本发明提供一种防止主动轴与从动轴打滑的薄片类介质厚度鉴别装置及其鉴别方法。 [0005] 该薄片类介质厚度鉴别装置,其包括:一框架,包括两侧板以及一正面,用于安装和承载下述零部件;一厚度轴,其两端通过轴承安装于该框架的两侧板上;一浮动轴,其两端通过轴承安装于该框架的两侧板上,该浮动轴外表面与该厚度轴的外表面相切接触;一感应器,安装于该框架的正面,用于检测该浮动轴与该厚度轴相切的切点的振幅;其特征在于,该厚度轴的一端固定连接有一第一同步带轮,该第一同步带轮通过一第一同步带与一第一同步带齿轮连接;该浮动轴的一端固定连接有一第二同步带轮,该第二同步带轮通过一第二同步带与一第二同步带齿轮连接;该第一同步带齿轮与该第二同步带齿轮啮合,且该第一同步带齿轮装配在一驱动马达的轴上。 [0006] 具体的,该第一同步带齿轮包括一同步带轮部和一齿轮...

AI Technical Summary

Problems solved by technology

[0003] However, due to the requirement of machining accuracy for the mechanical contact type value document thickness identification device, the surface of the thickness driving shaft and the surface of the driven shaft are very smooth. At the same time, because the driving device drives the driven device to rotate in the design, it will produce The slipping phenomenon makes the same point on the thickness driving axis tangent to any point on the surface of the driven shaft, and the output phase is irregular and does not show periodic changes, resulting in inaccurate thickness detection results; in addition, the thickness of the driving shaft and the driven shaft There is a slipping phenomenon on the shaft, which causes sliding friction on the shaft surface during the rotation process, which accelerates the wear of the shaft surface and reduces its accuracy. For the same thickness of the measured object with uniform thickness, the measurement results are inconsistent in different time periods

In other words, the problem of slipping brings errors to the thickness detection of valuable documents, reduces the measurement accuracy of thickness detection, and affects the detection rate of financial equipment

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