WO2017059673A1 - Thickness detection device for slice medium - Google Patents
Thickness detection device for slice medium Download PDFInfo
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- WO2017059673A1 WO2017059673A1 PCT/CN2016/081153 CN2016081153W WO2017059673A1 WO 2017059673 A1 WO2017059673 A1 WO 2017059673A1 CN 2016081153 W CN2016081153 W CN 2016081153W WO 2017059673 A1 WO2017059673 A1 WO 2017059673A1
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- driven wheel
- module frame
- elastic
- detecting device
- thickness detecting
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/16—Testing the dimensions
- G07D7/164—Thickness
Definitions
- the present invention relates to a processing technique for a sheet medium, and more particularly to a detecting device for detecting the thickness of a sheet-like document in a financial self-service device.
- the sheet-type value documents such as banknotes, checks, money orders, etc.
- the thickness detection of the banknotes is an essential Identification means.
- the sheet-like valuable documents are generally made into a sheet-shaped medium having a certain thickness characteristic by using special materials.
- the counterfeit value documents and the spliced value documents are all trying to forge this thickness identification feature to deceive ordinary financial equipment. Detection of this type of identification feature.
- the thickness detection information can be used to determine whether the processed sheet-like value document is authentic or not, and whether the mechanically separated sheet-like value document is a sheet, that is, whether it is a heavy bill, and the self-service financial device is accurately processed. Sex.
- the thickness detection of the sheet-like value document is as disclosed in Chinese Patent No. CN104091387A.
- the thickness detecting device is assembled only after the assembly of the driven wheel assembly 04 with the thickness shaft 07.
- the state of the driven wheel assembly 04 is presented, and the actual deformation mode is the state of 04A.
- the contact direction of the driven wheel assembly 04A and the thickness axis 07 is not in the vertical direction.
- there is an inclination angle A with the vertical direction which affects the effective magnetic flux of the thickness detecting block 074, thereby affecting the performance of the thickness detection.
- the pre-stress of the driven wheel assembly mainly comes from the pre-deformation of the elastic bracket 041, and the elastic bracket 041 is fixed on the fixing bracket 02 by screws to form a cantilever beam structure, and the structure is easy to be fixed when the end is stressed.
- the end root forms a high bending stress and reduces The fatigue life of the elastic bracket 041.
- the invention solves the technology that the existing sheet medium thickness detecting device affects the effective magnetic flux of the thickness detecting module due to the fact that the reference axis and the detecting shaft contact direction cannot be effectively maintained in the vertical direction, and the fatigue life of the elastic bracket is low due to the long-term bending stress.
- the problem is to provide a sheet medium thickness detecting device which can ensure that the driving shaft and the driven wheel are in the vertical direction and can effectively prevent the fatigue life of the elastic bracket from being lowered.
- the sheet medium thickness detecting device comprises:
- a module frame for mounting and carrying the following components
- At least one driven wheel assembly the driven wheel assembly includes a resilient bracket and at least one driven wheel, one end of the resilient bracket is fixedly mounted on the module frame, and the other end is rotatably mounted to form a free end, and the driven wheel is elastically pressed
- the drive shaft ;
- a position of the driven wheel assembly corresponding to the driven wheel assembly is provided with an arcuate elastic piece, and the free end of the elastic support is pressed against the arcuate elastic piece at a position facing away from the driven wheel, and the elastic support is facing away from the driven wheel.
- a detecting block is fixedly mounted on the side; and an inductor for opposing the detecting block and fixedly mounted opposite to the module frame for detecting the displacement amount of the detecting block in a non-contact manner.
- the curved elastic piece is a bridge type double-footed elastic piece which is located on both sides of the detection block and is fixed at both ends to form an arc shape.
- the curved elastic piece applies a direction of the elastic force applied to the driven wheel assembly, the axis of the driven wheel and the axis of the driving wheel are coplanar in the vertical direction.
- the curved elastic piece is an arc-shaped member formed by plastic working.
- the curved elastic piece is a flat member which is assembled and extruded to form an arc.
- the elastic bracket is an elastic sheet which is rigidly connected to the module frame.
- the elastic bracket is a rigid component that is hinged to the module frame with a damping medium.
- the elastic bracket is an elastic sheet hinged to the module frame by using a damping medium.
- the device is provided with an arc-shaped elastic piece to ensure that the driven wheel and the drive shaft remain in vertical contact before Increase the contact damping, effectively improve the impact resistance of the driven wheel assembly, reduce the adverse impact of the medium impact on the thickness detection structure, improve the detection accuracy and detection efficiency; also effectively reduce the stress level of the elastic support and improve its service life.
- FIG. 1 is a schematic structural view of a conventional sheet medium thickness detecting device
- Figure 2 is a schematic view showing the structure of the actual working state of the thickness detecting device shown in Figure 1;
- FIG. 3 is a schematic overall view of a sheet medium thickness detecting device provided by the present invention.
- Figure 4 is a schematic view showing the assembly relationship of the driven module in the sheet medium thickness detecting device shown in Figure 3;
- FIG. 5 is a schematic overall view of the driven module shown in Figure 4.
- Figure 6 is a schematic view showing the overall assembly relationship of the sheet medium thickness detecting device shown in Figure 3;
- Figure 7 is a schematic view showing the assembly of the driven wheel assembly in the driven module shown in Figure 4;
- Figure 8 is a schematic view showing the state in which the front and rear driven wheel assemblies of the driving shaft are mounted on the sheet medium thickness detecting device shown in Figure 3;
- Figure 9 is a schematic view showing the working state of the sheet medium thickness detecting device shown in Figure 3;
- Figure 10 is a schematic view showing the relationship between the working states of the sheet medium thickness detecting device shown in Figure 3;
- Fig. 11 is a view showing a comparison of vibration amplitudes of detection results of the conventional sheet medium thickness detecting means and the sheet medium thickness detecting means shown in Fig. 3.
- a preferred sheet medium thickness detecting device comprises: a module frame 01 for mounting and carrying the following components; a driving shaft 05, Both ends are mounted on the module frame 01 by the flange bearing 13, and 12 sets of driven wheel assemblies 08 elastically contacting the drive shaft 05, the 12 sets of driven wheel assemblies 08 are juxtaposed in 12 axes along the axial direction of the drive shaft 05.
- the driven wheel assembly 08 includes three sets of driven wheels 085. The driven wheels 085 are combined with a rotating shaft 0084 and a resilient bracket 081 to form a set of driven wheel assemblies 08, a set of driven wheel assemblies 08.
- Adjacent to two driven wheels 085 There is a spacer spacer 086.
- One end of the elastic bracket 081 is mounted on the module frame 01 by screws 09, and the other end has two mounting ears for mounting the bearing assembly 083.
- the module frame 01 corresponds to the driven wheel assembly 08.
- An arcuate elastic piece 16 is disposed.
- the free end of the elastic support 081 is elastically pressed against the curved elastic piece 16 at a position facing away from the bearing assembly 083.
- the elastic support 081 is fixedly mounted on a side facing away from the driven wheel 085.
- There is a detecting block 082; the corresponding curved elastic piece 16 has a bridge type double-footed elastic piece which is located on both sides of the detecting block and is fixed at both ends to form an arc.
- the bridge type double-footed elastic piece forms a hole for the detecting block 082 to pass through.
- an inductor (not shown) for detecting a displacement amount of the detection block 082 in a non-contact manner, opposite to the detection block 082 and fixedly mounted to the module frame 01.
- the inductor is electrically connected to a data processing unit (not shown) through a wire, and the data processing unit is configured to process information collected by the sensor.
- the driven wheel assembly 08 is selected into 12 groups, and those skilled in the art can increase or decrease the number of the driven wheel assemblies 08 according to the size of the detection medium and the number of detection points. .
- the elastic bracket 081 of the 12 sets of driven wheel assemblies 08 is deformed after the driving shaft 05 is installed in position.
- the pressure generated by the deformation causes the plurality of sets of driven wheel assemblies 08 and the driving shaft.
- 05 is fitted to form a passage for transporting the banknote 11, and the direction of the force of the driven wheel assembly 08 and the driving shaft 05 is coplanar with the axis of the driven wheel 085 and the driving shaft 05, and the externally transmitted power acts on the power wheel mounted on the driving shaft 05.
- the driving shaft 05 is rotated, and the driving shaft 05 drives the driven wheel 085 on the driven wheel assembly 08 in contact with the friction wheel to generate the power for transmitting the banknote 11.
- the signal detecting board 15 is mounted on the module frame 01. As shown in FIG. 4, the block 17 is screwed to the pressing block 017 by screws in the direction of the arrow, and the driven wheel assembly 08 is mounted on the pressing block 017 by screws to form the driven module 18, as shown in the figure. As shown in FIG.
- the curved elastic piece 16 is in a state of compression deformation, and the generated pre-pressure driven wheel 085 is pressed against the driving shaft 05, and the direction of the force of the curved elastic piece 16 on the driven wheel assembly 08 is
- the axes of the driven wheel 085 and the driving shaft 05 are coplanar to ensure that when the sheet medium enters the thickness detecting device, the driven wheel 085 moves up and down in the vertical direction; the curved elastic piece 16 is mounted on the pressing block 017 and the block 17
- the fixing method after the loading may be welding, bonding, riveting, or the like.
- the curved elastic piece 16 is made of a thin and elastic material, and may be replaced by a rubber block or an elastic element such as a common spring, and the curved state of the curved elastic piece 16 may be generated by plastic working or a flat plate medium. Produced by assembly extrusion.
- the signal detecting board 15 is screwed by the upper end cover 21
- the direction of the arrow is fixed to the driven module 18, and the driven module 18 is finally fixed to the fixed frame 01 by screws in the direction of the arrow, as shown in FIG.
- FIG. 7 the assembly process of the driven wheel assembly 08 is described in detail, and three driven wheels 085 and two pieces of spacers 086 are loaded into the shaft 084 to form a bearing assembly 083; the bearing assembly 083 is loaded into the elastic bracket 081 in the direction 088.
- the fixing manner after the loading may be welding, bonding, riveting, etc.; the detecting block 082 is loaded on the elastic bracket 081; after the above assembly is completed, the elastic driven wheel assembly 08 is formed.
- the elastic bracket 081 is made of a thin, elastic material, and the number of the driven wheel 085 and the spacer 086 can be increased or decreased according to design requirements.
- FIG. 8 is a schematic view showing the state of the driven wheel assembly 08 before and after the driving shaft 05 is mounted.
- the left figure shows that the driven wheel assembly 08 is mounted on the module frame 01 with the screw 09, and the driving shaft 05 is not yet installed.
- the right picture shows the state in which the driving shaft 05 is brought into contact with the driven wheel assembly 08 and raised after the driving shaft 05 is loaded.
- the driven wheel assembly 08 assumes an initial non-deformed state, and the curved elastic piece 16 is pressed and deformed. This deformation causes pressure to be generated at the contact point of the drive shaft 05 and the driven wheel assembly 08.
- the working state of the driven wheel assembly 08 in the module will be further described by means of FIG. 9.
- the pre-deformation of the curved elastic piece 16 leads to the contact position-thickness detecting point.
- Positive pressure is generated at 060 and forms a passage 062 for transporting the banknote 11.
- the direction of the passage 062 is determined by the external force 061 acting on the power wheel 03, which may be bidirectional.
- the driven wheel 083 is in contact with the driving shaft 05 to form a thickness detecting point 060.
- the change in the thickness direction of the banknote 11 is detected by the signal detecting board 15 by the height change of the detecting block 082 when passing through the thickness detecting point 060.
- the plurality of sets of driven wheel assemblies 08 can cover the length direction of the banknotes 11, and the entire thickness variation of the banknotes 11 is detected over time, and the signal detecting plate 15 converts the thickness images into an external identification system to process the thickness information of the banknotes. .
- the inclination angle A is absent, and the contact direction of the driven wheel assembly 08 and the driving shaft 05 is vertically upward, and the magnetic flux direction and position are consistent with the design target, and are no longer affected by the assembly;
- the elastic bracket 081 is no longer prestressed, and is only subjected to a small medium impact lifting force during operation, so that Life expectancy is improved.
- the curved elastic piece 16 forms a damping dissipation system with the pressing block 15, the block 17 and the driven wheel assembly 08, which can reduce the impact response generated when the medium passes, so that the thickness detection result is more accurate.
- the comparison between the detection result A of the existing detecting device and the detection result B of the detecting device provided by the present invention is as shown in FIG. 11, and the vibration amplitude Am and the decay time in the detection result of the sheet medium thickness detection provided by the present invention can be seen.
- the tm has been reduced to a certain extent, and the image performance has been improved.
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Abstract
Disclosed is a thickness detection device for a slice medium. The thickness detection device comprises: a module frame (01) used for installing and carrying the following components; a driving shaft (05), two ends of which are installed on the module frame (01) through a bearing (13); at least one driven wheel assembly (08), which driven wheel assembly (08) comprises a driven wheel (085) and an elastic support (081), one end of the elastic support (081) being fixedly installed on the module frame (01), and the driven wheel (085) being assembled at the other end in a rotating manner to form a free end. An arc spring sheet (16) is arranged on the module frame (01) corresponding to the position of the driven wheel assembly (08). The position, facing away from the driven wheel (085), of the free end of the elastic support (081) is in contact with the arc spring sheet (16) for assembly. A detection block (082) is fixedly installed at one side, facing away from the driven wheel (085), of the elastic support (081). An inductor is fixedly installed on the module frame (01) by being opposite the detection block (082) and is used for detecting a displacement value of the detection block (082) in a non-contact manner.
Description
本申请要求2015年10月09日提交中国专利局、申请号为201510648599.4、发明名称为“一种薄片介质厚度检测装置”的发明专利申请的优先权,其全部内容通过引用结合在本申请中。The present application claims priority to the Chinese Patent Office, filed on Oct. 09, 2015, the entire disclosure of which is hereby incorporated by reference.
本发明涉及一种薄片介质的处理技术,特别是一种用于金融自助设备中检测薄片类有价文件厚度的检测装置。The present invention relates to a processing technique for a sheet medium, and more particularly to a detecting device for detecting the thickness of a sheet-like document in a financial self-service device.
在金融自助设备中为了对批量处理的每一张薄片类有价文件(比如纸币、支票、汇票等)逐一进行检验,需要将整叠的薄片类有价文件一张张分离开来,然后对分离的单张薄片类有价文件进行图像识别、厚度检测、磁信息检测等识别手段,以保证所处理的薄片类有价文件的真实性,其中对纸币的厚度检测是一项必不可少的鉴别手段。目前薄片类有价文件一般均采用特殊的材料制作成具有一定厚度特征的薄片形介质,目前出现的仿冒有价文件、拼接有价文件均在设法伪造这一厚度鉴别特征以欺骗普通的金融设备对该种鉴别特征的检测。因此,在金融服务设备中,有价文件厚度的可靠鉴别对有价文件真实性鉴别具有重要意义。因此,厚度检测信息既可以用来判断所处理的薄片类有价文件的真伪,还可以判断机械分离薄片类有价文件是否是一张,即是否是重钞,以自助金融设备处理的准确性。In the financial self-service equipment, in order to inspect each of the sheet-type value documents (such as banknotes, checks, money orders, etc.) processed in batches, it is necessary to separate the stack of sheet-value documents one by one, and then Separate sheets of valuable documents for image recognition, thickness detection, magnetic information detection, etc., to ensure the authenticity of the processed value documents, wherein the thickness detection of the banknotes is an essential Identification means. At present, the sheet-like valuable documents are generally made into a sheet-shaped medium having a certain thickness characteristic by using special materials. At present, the counterfeit value documents and the spliced value documents are all trying to forge this thickness identification feature to deceive ordinary financial equipment. Detection of this type of identification feature. Therefore, in financial service equipment, reliable identification of the thickness of the document of value is of great significance for the authenticity of the document of value. Therefore, the thickness detection information can be used to determine whether the processed sheet-like value document is authentic or not, and whether the mechanically separated sheet-like value document is a sheet, that is, whether it is a heavy bill, and the self-service financial device is accurately processed. Sex.
目前针对薄片类有价文件的厚度检测如中国专利CN104091387A公开的这种片状介质厚度检测装置,如图1所示,厚度检测装置每组从动轮组件04在与厚度轴07装配后,只有在理想变形的假设下,才会呈现出从动轮组件04的状态,而实际的变形型式则是04A的状态,如图2所示,从动轮组件04A与厚度轴07的接触方向不在沿竖直方向,而是与竖直方向存在一倾斜角A,这会影响到厚度检测块074的有效磁通量,进而影响到厚度检测的性能。同时,这种从动轮组件的预压力主要来自弹性支架041的预变形,弹性支架041通过螺钉固定在固定支架02上,形成一悬臂梁结构,此类结构在端部受力时,容易在固定端根部形成高的弯曲应力,降低
弹性支架041的疲劳寿命。At present, the thickness detection of the sheet-like value document is as disclosed in Chinese Patent No. CN104091387A. As shown in FIG. 1, the thickness detecting device is assembled only after the assembly of the driven wheel assembly 04 with the thickness shaft 07. Under the assumption of ideal deformation, the state of the driven wheel assembly 04 is presented, and the actual deformation mode is the state of 04A. As shown in FIG. 2, the contact direction of the driven wheel assembly 04A and the thickness axis 07 is not in the vertical direction. However, there is an inclination angle A with the vertical direction, which affects the effective magnetic flux of the thickness detecting block 074, thereby affecting the performance of the thickness detection. At the same time, the pre-stress of the driven wheel assembly mainly comes from the pre-deformation of the elastic bracket 041, and the elastic bracket 041 is fixed on the fixing bracket 02 by screws to form a cantilever beam structure, and the structure is easy to be fixed when the end is stressed. The end root forms a high bending stress and reduces
The fatigue life of the elastic bracket 041.
发明内容Summary of the invention
本发明为了解决现有薄片介质厚度检测装置由于基准轴和检测轴接触方向不能有效保持在竖直方向而影响厚度检测模块有效磁通量,以及由于长时间的弯曲应力导致弹性支架疲劳寿命较低的技术问题,提供一种可以保证主动轴与从动轮接触方向在竖直方向,且可有效防止弹性支架疲劳寿命降低的薄片介质厚度检测装置。The invention solves the technology that the existing sheet medium thickness detecting device affects the effective magnetic flux of the thickness detecting module due to the fact that the reference axis and the detecting shaft contact direction cannot be effectively maintained in the vertical direction, and the fatigue life of the elastic bracket is low due to the long-term bending stress. The problem is to provide a sheet medium thickness detecting device which can ensure that the driving shaft and the driven wheel are in the vertical direction and can effectively prevent the fatigue life of the elastic bracket from being lowered.
这种薄片介质厚度检测装置,其包括:The sheet medium thickness detecting device comprises:
一模块框架,用于安装和承载如下零部件;a module frame for mounting and carrying the following components;
一主动轴,其两端通过轴承安装于该模块框架上;a drive shaft, the two ends of which are mounted on the module frame through bearings;
至少一从动轮组件,该从动轮组件包括一弹性支架和至少一个从动轮,该弹性支架的一端固定安装在该模块框架上,另一端转动装配该从动轮形成自由端,该从动轮弹性抵压该主动轴;At least one driven wheel assembly, the driven wheel assembly includes a resilient bracket and at least one driven wheel, one end of the resilient bracket is fixedly mounted on the module frame, and the other end is rotatably mounted to form a free end, and the driven wheel is elastically pressed The drive shaft;
其中,该模块框架上对应该从动轮组件的位置设有弧形弹片,该弹性支架的自由端背向从动轮的位置与该弧形弹片抵压装配,该弹性支架背向该从动轮的一侧上固定安装有一检测块;以及与该检测块对置且与模块框架相对固定安装的用于以非接触方式检测所述检测块的位移量的感应器。Wherein, a position of the driven wheel assembly corresponding to the driven wheel assembly is provided with an arcuate elastic piece, and the free end of the elastic support is pressed against the arcuate elastic piece at a position facing away from the driven wheel, and the elastic support is facing away from the driven wheel. A detecting block is fixedly mounted on the side; and an inductor for opposing the detecting block and fixedly mounted opposite to the module frame for detecting the displacement amount of the detecting block in a non-contact manner.
优选的,该弧形弹片为位于检测块两侧,且两端固定形成弧形的桥式双脚弹片。Preferably, the curved elastic piece is a bridge type double-footed elastic piece which is located on both sides of the detection block and is fixed at both ends to form an arc shape.
优选的,该弧形弹片对从动轮组件施加的弹性力方向、该从动轮的轴线和该主动轮的轴线三者在竖直方向上共面。Preferably, the curved elastic piece applies a direction of the elastic force applied to the driven wheel assembly, the axis of the driven wheel and the axis of the driving wheel are coplanar in the vertical direction.
优选的,该弧形弹片为塑性加工形成的弧形状部件。Preferably, the curved elastic piece is an arc-shaped member formed by plastic working.
优选的,该弧形弹片为一装配挤压形成弧形的平板状部件。Preferably, the curved elastic piece is a flat member which is assembled and extruded to form an arc.
优选的,该弹性支架为一与模块框架采用刚接的弹性片材。Preferably, the elastic bracket is an elastic sheet which is rigidly connected to the module frame.
优选的,该弹性支架为与模块框架采用加阻尼介质铰接的刚性部件。Preferably, the elastic bracket is a rigid component that is hinged to the module frame with a damping medium.
优选的,该弹性支架为与模块框架采用加阻尼介质铰接的弹性片材。Preferably, the elastic bracket is an elastic sheet hinged to the module frame by using a damping medium.
该薄片介质厚度检测装置与现有技术对比具有如下优点:The sheet medium thickness detecting device has the following advantages compared with the prior art:
本装置通过设置弧形弹片,在保证从动轮和主动轴保持竖直接触的前
提下增加接触阻尼,有效提高从动轮组件的抗冲击能力,降低介质冲击对厚度检测结构的不良影响,提高检测精确度和检测效率;还可以有效降低弹性支架的应力水平,提高其使用寿命。The device is provided with an arc-shaped elastic piece to ensure that the driven wheel and the drive shaft remain in vertical contact before
Increase the contact damping, effectively improve the impact resistance of the driven wheel assembly, reduce the adverse impact of the medium impact on the thickness detection structure, improve the detection accuracy and detection efficiency; also effectively reduce the stress level of the elastic support and improve its service life.
图1是现有片状介质厚度检测装置的结构示意图;1 is a schematic structural view of a conventional sheet medium thickness detecting device;
图2是图1所示厚度检测装置的实际工作状态结构示意图;Figure 2 is a schematic view showing the structure of the actual working state of the thickness detecting device shown in Figure 1;
图3是本发明所提供的一种薄片介质厚度检测装置的整体示意图;3 is a schematic overall view of a sheet medium thickness detecting device provided by the present invention;
图4是图3所示薄片介质厚度检测装置中从动模块装配关系示意图;Figure 4 is a schematic view showing the assembly relationship of the driven module in the sheet medium thickness detecting device shown in Figure 3;
图5是图4所示从动模块的整体示意图;Figure 5 is a schematic overall view of the driven module shown in Figure 4;
图6是图3所示薄片介质厚度检测装置整体装配关系示意图;Figure 6 is a schematic view showing the overall assembly relationship of the sheet medium thickness detecting device shown in Figure 3;
图7是图4所示从动模块中从动轮组件的装配示意图;Figure 7 is a schematic view showing the assembly of the driven wheel assembly in the driven module shown in Figure 4;
图8是图3所示薄片介质厚度检测装置安装主动轴前后从动轮组件的状态示意图;Figure 8 is a schematic view showing the state in which the front and rear driven wheel assemblies of the driving shaft are mounted on the sheet medium thickness detecting device shown in Figure 3;
图9是图3所示薄片介质厚度检测装置工作状态示意图;Figure 9 is a schematic view showing the working state of the sheet medium thickness detecting device shown in Figure 3;
图10是图3所示薄片介质厚度检测装置工作状态受力关系示意图;Figure 10 is a schematic view showing the relationship between the working states of the sheet medium thickness detecting device shown in Figure 3;
图11是现有片状介质厚度检测装置与图3所示薄片介质厚度检测装置的检测结果的振动幅值对比图。Fig. 11 is a view showing a comparison of vibration amplitudes of detection results of the conventional sheet medium thickness detecting means and the sheet medium thickness detecting means shown in Fig. 3.
为进一步阐述本发明所提供的这种薄片介质厚度检测装置,以下结合本发明的一个优选实施例的图示做进一步的详细介绍。To further illustrate such a sheet medium thickness detecting apparatus provided by the present invention, a more detailed description will be made below in conjunction with the drawings of a preferred embodiment of the present invention.
参阅图3、图4和图7所述,本发明所提供的一种优选的薄片介质厚度检测装置,其包括:一用于安装和承载如下零部件的模块框架01;一主动轴05,其两端通过用法兰轴承13安装在模块框架01上,以及与该主动轴05弹性接触的12组从动轮组件08,该12组从动轮组件08沿主动轴05的轴向并列布置在12个基准辊上。结合图7所示,从动轮组件08包括三个一组的从动轮085,该从动轮085通过转轴0084和一个弹性支架081组配形成一组从动轮组件08,一组从动轮组件08中相邻两个从动轮085之
间设有隔离垫片086,该弹性支架081的一端通过螺钉09安装于该模块框架01上,另一端具有两安装耳用于安装该轴承组件083;该模块框架01上对应该从动轮组件08的位置设有弧形弹片16,该弹性支架081的自由端背向轴承组件083的位置与该弧形弹片16弹性抵压装配,该弹性支架081背向该从动轮085的一侧上固定安装有一检测块082;相应的该弧形弹片16具有为位于检测块两侧,且两端固定形成弧形的桥式双脚弹片,该桥式双脚弹片之间形成供检测块082穿越的孔,以及与该检测块082对置且与该模块框架01相对固定安装的用于以非接触方式检测所述检测块082的位移量的感应器(图中未示出)。其中,该感应器通过导线与数据处理单元(图中未示出)电联接,该数据处理单元用于对感应器采集的信息进行处理。本实施例中是为了实现对薄片介质进行全幅面的厚度检测,因此选择从动轮组件08为12组,本领域技术人员可以根据检测介质的尺寸和检测点数进行增减从动轮组件08的个数。Referring to FIG. 3, FIG. 4 and FIG. 7, a preferred sheet medium thickness detecting device provided by the present invention comprises: a module frame 01 for mounting and carrying the following components; a driving shaft 05, Both ends are mounted on the module frame 01 by the flange bearing 13, and 12 sets of driven wheel assemblies 08 elastically contacting the drive shaft 05, the 12 sets of driven wheel assemblies 08 are juxtaposed in 12 axes along the axial direction of the drive shaft 05. On the roller. As shown in FIG. 7, the driven wheel assembly 08 includes three sets of driven wheels 085. The driven wheels 085 are combined with a rotating shaft 0084 and a resilient bracket 081 to form a set of driven wheel assemblies 08, a set of driven wheel assemblies 08. Adjacent to two driven wheels 085
There is a spacer spacer 086. One end of the elastic bracket 081 is mounted on the module frame 01 by screws 09, and the other end has two mounting ears for mounting the bearing assembly 083. The module frame 01 corresponds to the driven wheel assembly 08. An arcuate elastic piece 16 is disposed. The free end of the elastic support 081 is elastically pressed against the curved elastic piece 16 at a position facing away from the bearing assembly 083. The elastic support 081 is fixedly mounted on a side facing away from the driven wheel 085. There is a detecting block 082; the corresponding curved elastic piece 16 has a bridge type double-footed elastic piece which is located on both sides of the detecting block and is fixed at both ends to form an arc. The bridge type double-footed elastic piece forms a hole for the detecting block 082 to pass through. And an inductor (not shown) for detecting a displacement amount of the detection block 082 in a non-contact manner, opposite to the detection block 082 and fixedly mounted to the module frame 01. Wherein, the inductor is electrically connected to a data processing unit (not shown) through a wire, and the data processing unit is configured to process information collected by the sensor. In this embodiment, in order to realize the full-width thickness detection of the sheet medium, the driven wheel assembly 08 is selected into 12 groups, and those skilled in the art can increase or decrease the number of the driven wheel assemblies 08 according to the size of the detection medium and the number of detection points. .
具体的,该12组从动轮组件08中的弹性支架081在主动轴05安装到位后会发生变形,结合图8和图9所示,此变形产生的压力使多组从动轮组件08与主动轴05贴合形成传输钞票11的通道,且从动轮组件08与主动轴05作用力方向与从动轮085和主动轴05轴线共面,外部传来的动力作用在安装于主动轴05上的动力轮03,带动主动轴05旋转,主动轴05又以磨擦的方式带动与其接触的从动轮组件08上的从动轮085,产生使钞票11传输的动力,信号检测板15安装在模块框架01上。如图4所示,垫块17通过螺钉将弧形弹片16沿箭头方向拧紧固定在压紧块017上,从动轮组件08通过螺钉安装到压紧块017上,组成从动模块18,如图5所示,从动模块18装配完成后,弧形弹片16处于压缩变形状态,产生的预压力将从动轮085压在主动轴05上,且弧形弹片16对从动轮组件08作用力方向与从动轮085和主动轴05的轴线共面,可以保证在薄片介质进入厚度检测装置时,从动轮085是在竖直方向上上下移动;弧形弹片16装在压紧块017与垫块17之间,装入后的固定方式可以是焊接、粘接、铆接等。弧形弹片16是由薄的、有弹性的材料制造,也可以由橡胶块或者普通弹簧等弹性元件代替,且弧形弹片16的弧形状态可以是通过塑性加工产生,也可以是平板装介质通过装配挤压产生。信号检测板15通过上端盖21用螺钉沿
箭头方向固定到从动模块18上,从动模块18最后通过螺钉沿箭头方向固定到固定架01上,如图6所示。Specifically, the elastic bracket 081 of the 12 sets of driven wheel assemblies 08 is deformed after the driving shaft 05 is installed in position. As shown in FIG. 8 and FIG. 9, the pressure generated by the deformation causes the plurality of sets of driven wheel assemblies 08 and the driving shaft. 05 is fitted to form a passage for transporting the banknote 11, and the direction of the force of the driven wheel assembly 08 and the driving shaft 05 is coplanar with the axis of the driven wheel 085 and the driving shaft 05, and the externally transmitted power acts on the power wheel mounted on the driving shaft 05. 03, the driving shaft 05 is rotated, and the driving shaft 05 drives the driven wheel 085 on the driven wheel assembly 08 in contact with the friction wheel to generate the power for transmitting the banknote 11. The signal detecting board 15 is mounted on the module frame 01. As shown in FIG. 4, the block 17 is screwed to the pressing block 017 by screws in the direction of the arrow, and the driven wheel assembly 08 is mounted on the pressing block 017 by screws to form the driven module 18, as shown in the figure. As shown in FIG. 5, after the assembly of the driven module 18 is completed, the curved elastic piece 16 is in a state of compression deformation, and the generated pre-pressure driven wheel 085 is pressed against the driving shaft 05, and the direction of the force of the curved elastic piece 16 on the driven wheel assembly 08 is The axes of the driven wheel 085 and the driving shaft 05 are coplanar to ensure that when the sheet medium enters the thickness detecting device, the driven wheel 085 moves up and down in the vertical direction; the curved elastic piece 16 is mounted on the pressing block 017 and the block 17 The fixing method after the loading may be welding, bonding, riveting, or the like. The curved elastic piece 16 is made of a thin and elastic material, and may be replaced by a rubber block or an elastic element such as a common spring, and the curved state of the curved elastic piece 16 may be generated by plastic working or a flat plate medium. Produced by assembly extrusion. The signal detecting board 15 is screwed by the upper end cover 21
The direction of the arrow is fixed to the driven module 18, and the driven module 18 is finally fixed to the fixed frame 01 by screws in the direction of the arrow, as shown in FIG.
通过图7所示,详细说明从动轮组件08的装配进程,将3件从动轮085和2件垫片086装入轴084,形成轴承组件083;轴承组件083沿方向088装入弹性支架081中,装入后的固定方式可以是焊接、粘接、铆接等;检测块082装入弹性支架081上;以上装配完成后,形成弹性从动轮组件08。弹性支架081是由薄的、有弹性的材料制造,从动轮085和垫片086的数量可以根据设计需要自行增减。如图8所示为安装主动轴05前和安装主动轴05后从动轮组件08的状态示意图,左图为从动轮组件08用螺丝09安装在模块框架01上,主动轴05还未安装时的状态;右图为装入主动轴05后,因主动轴05与从动轮组件08接触并抬高后的状态,从动轮组件08呈现为初始不变形状态,弧形弹片16被压紧产生变形,此变形会导致主动轴05与从动轮组件08的接触点有压力产生。As shown in FIG. 7, the assembly process of the driven wheel assembly 08 is described in detail, and three driven wheels 085 and two pieces of spacers 086 are loaded into the shaft 084 to form a bearing assembly 083; the bearing assembly 083 is loaded into the elastic bracket 081 in the direction 088. The fixing manner after the loading may be welding, bonding, riveting, etc.; the detecting block 082 is loaded on the elastic bracket 081; after the above assembly is completed, the elastic driven wheel assembly 08 is formed. The elastic bracket 081 is made of a thin, elastic material, and the number of the driven wheel 085 and the spacer 086 can be increased or decreased according to design requirements. FIG. 8 is a schematic view showing the state of the driven wheel assembly 08 before and after the driving shaft 05 is mounted. The left figure shows that the driven wheel assembly 08 is mounted on the module frame 01 with the screw 09, and the driving shaft 05 is not yet installed. The right picture shows the state in which the driving shaft 05 is brought into contact with the driven wheel assembly 08 and raised after the driving shaft 05 is loaded. The driven wheel assembly 08 assumes an initial non-deformed state, and the curved elastic piece 16 is pressed and deformed. This deformation causes pressure to be generated at the contact point of the drive shaft 05 and the driven wheel assembly 08.
下面通过图9所示,进一步说明从动轮组件08在模块中的工作状态,安装的多组从动轮组件08和主动轴05接触后,弧形弹片16的预变形导致在接触位置-厚度检测点060处产生正压力,并形成传输钞票11的通道062,通道062的方向是外部传来作用在动力轮03上的作用力061决定的,可以是双方向的。从动轮083与主动轴05接触形成厚度检测点060,当钞票11沿通道062传输,经过厚度检测点060时,钞票11在厚度方向的变化会通过检测块082的高度变化被信号检测板15检测到,多组从动轮组件08可覆盖钞票11的长度方向,随时间会将钞票11的全部厚度变化检测到,由信号检测板15转换成厚度图像传送到外部的识别***,处理钞票的厚度信息。Next, the working state of the driven wheel assembly 08 in the module will be further described by means of FIG. 9. After the mounted plurality of sets of driven wheel assemblies 08 and the driving shaft 05 are in contact, the pre-deformation of the curved elastic piece 16 leads to the contact position-thickness detecting point. Positive pressure is generated at 060 and forms a passage 062 for transporting the banknote 11. The direction of the passage 062 is determined by the external force 061 acting on the power wheel 03, which may be bidirectional. The driven wheel 083 is in contact with the driving shaft 05 to form a thickness detecting point 060. When the banknote 11 is transported along the path 062, the change in the thickness direction of the banknote 11 is detected by the signal detecting board 15 by the height change of the detecting block 082 when passing through the thickness detecting point 060. Towards, the plurality of sets of driven wheel assemblies 08 can cover the length direction of the banknotes 11, and the entire thickness variation of the banknotes 11 is detected over time, and the signal detecting plate 15 converts the thickness images into an external identification system to process the thickness information of the banknotes. .
如图10所示,从动轮组件08的两侧从动轮083在接触到主动轴05的面时,产生一个向上抬从动轮组件08的力P,促使弹性支架081恢复到初始未变形状态;弧形弹片16同时受到来自从动轮组件的作用力P,在压紧块的约束力F下被压紧变形,产生预压紧力。因以上的工作原理,如图2中的倾斜角A没有了,从动轮组件08与主动轴05的接触作用方向竖直向上,磁通方向及位置与设计目标一致,不再受装配的影响;弹性支架081不再有预应力,而且在工作过程中只受到较小的介质冲击抬起作用力,使
用寿命得到提高。弧形弹片16与压紧块15、垫块17以及从动轮组件08形成一个阻尼耗散***,可以降低介质通过时产生的冲击响应,使得厚度检测结果更精准。现有检测装置的检测结果A与本发明所提供的检测装置的检测结果B对比如图11所示,可以看到本发明所提供的薄片介质厚度检测的检测结果中振动幅值Am与衰减时间tm都得到了一定程度的降低,图像性能得到了提升。As shown in FIG. 10, when the driven wheels 083 on both sides of the driven wheel assembly 08 contact the surface of the drive shaft 05, a force P is generated to lift the driven wheel assembly 08, causing the elastic support 081 to return to the initial undeformed state; The elastic piece 16 is simultaneously subjected to the urging force P from the driven wheel assembly, and is compressed and deformed under the restraining force F of the pressing block to generate a pre-compression force. Due to the above working principle, as shown in FIG. 2, the inclination angle A is absent, and the contact direction of the driven wheel assembly 08 and the driving shaft 05 is vertically upward, and the magnetic flux direction and position are consistent with the design target, and are no longer affected by the assembly; The elastic bracket 081 is no longer prestressed, and is only subjected to a small medium impact lifting force during operation, so that
Life expectancy is improved. The curved elastic piece 16 forms a damping dissipation system with the pressing block 15, the block 17 and the driven wheel assembly 08, which can reduce the impact response generated when the medium passes, so that the thickness detection result is more accurate. The comparison between the detection result A of the existing detecting device and the detection result B of the detecting device provided by the present invention is as shown in FIG. 11, and the vibration amplitude Am and the decay time in the detection result of the sheet medium thickness detection provided by the present invention can be seen. The tm has been reduced to a certain extent, and the image performance has been improved.
以上仅是本发明的优选实施方式,应当指出的是,上述优选实施方式不应视为对本发明的限制,本发明的保护范围应当以权利要求所限定的范围为准。对于本技术领域的普通技术人员来说,在不脱离本发明的精神和范围内,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
The above is only a preferred embodiment of the present invention, and it should be noted that the above-described preferred embodiments are not to be construed as limiting the scope of the invention, and the scope of the invention should be determined by the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and scope of the invention.
Claims (8)
- 一种薄片介质厚度检测装置,其包括:A sheet medium thickness detecting device comprising:一模块框架,用于安装和承载如下零部件;a module frame for mounting and carrying the following components;一主动轴,其两端通过轴承安装于该模块框架上;a drive shaft, the two ends of which are mounted on the module frame through bearings;至少一从动轮组件,该从动轮组件包括一弹性支架和至少一个从动轮,该弹性支架的一端固定安装在该模块框架上,另一端转动装配该从动轮形成自由端,该从动轮弹性抵压该主动轴;At least one driven wheel assembly, the driven wheel assembly includes a resilient bracket and at least one driven wheel, one end of the resilient bracket is fixedly mounted on the module frame, and the other end is rotatably mounted to form a free end, and the driven wheel is elastically pressed The drive shaft;其特征在于,该模块框架上对应该从动轮组件的位置设有弧形弹片,该弹性支架的自由端背向从动轮的位置与该弧形弹片抵压装配,该弹性支架背向该从动轮的一侧上固定安装有一检测块;以及与该检测块对置且与模块框架相对固定安装的用于以非接触方式检测所述检测块的位移量的感应器。The utility model is characterized in that: the position of the module frame corresponding to the driven wheel assembly is provided with a curved elastic piece, and the free end of the elastic support is pressed against the driven elastic wheel to be assembled with the curved elastic piece, and the elastic support is facing away from the driven wheel. A detection block is fixedly mounted on one side; and an inductor for opposing the detection block and fixedly mounted to the module frame for detecting the displacement amount of the detection block in a non-contact manner.
- 如权利要求1所述的薄片介质厚度检测装置,其特征在于,该弧形弹片为位于检测块两侧,且两端固定形成弧形的桥式双脚弹片。The sheet medium thickness detecting device according to claim 1, wherein the curved elastic piece is a bridge type double-footed elastic piece which is located on both sides of the detecting block and is fixed at both ends to form an arc shape.
- 如权利要求1所述的薄片介质厚度检测装置,其特征在于,该弧形弹片对从动轮组件施加的弹性力方向、该从动轮的轴心和该主动轮的轴心连线,二者平行。The sheet medium thickness detecting device according to claim 1, wherein the direction of the elastic force applied by the curved elastic piece to the driven wheel assembly, the axis of the driven wheel and the axial connection of the driving wheel are parallel .
- 如权利要求1所述的薄片介质厚度检测装置,其特征在于,该弧形弹片为塑性加工形成的弧形状部件。The sheet medium thickness detecting device according to claim 1, wherein the curved elastic piece is an arc-shaped member formed by plastic working.
- 如权利要求1所述的薄片介质厚度检测装置,其特征在于,该弧形弹片为一装配挤压形成弧形的平板状部件。The sheet medium thickness detecting device according to claim 1, wherein the curved elastic piece is a flat member which is assembled and extruded to form an arc.
- 如权利要求1所述的薄片介质厚度检测装置,其特征在于,该弹性支架为一与模块框架采用刚接的弹性片材。The sheet medium thickness detecting device according to claim 1, wherein the elastic bracket is an elastic sheet that is rigidly attached to the module frame.
- 如权利要求1所述的薄片介质厚度检测装置,其特征在于,该弹性支架为与模块框架采用加阻尼介质铰接的刚性部件。The sheet medium thickness detecting apparatus according to claim 1, wherein the elastic bracket is a rigid member hinged to the module frame with a damping medium.
- 如权利要求1所述的薄片介质厚度检测装置,其特征在于,该弹性支架为与模块框架采用加阻尼介质铰接的弹性片材。 The sheet medium thickness detecting device according to claim 1, wherein the elastic bracket is an elastic sheet hinged to the module frame by a damping medium.
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CN114570665A (en) * | 2022-02-23 | 2022-06-03 | 徐州冠华机械制造有限公司 | Testing arrangement that agricultural machine parts production research was used |
CN114570665B (en) * | 2022-02-23 | 2024-04-30 | 徐州冠华机械制造有限公司 | Testing arrangement that agricultural machinery accessory production research and development was used |
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