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CN106513442B - A kind of high speed plate thickness measure and holding meanss - Google Patents

A kind of high speed plate thickness measure and holding meanss Download PDF

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Publication number
CN106513442B
CN106513442B CN201610907692.7A CN201610907692A CN106513442B CN 106513442 B CN106513442 B CN 106513442B CN 201610907692 A CN201610907692 A CN 201610907692A CN 106513442 B CN106513442 B CN 106513442B
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limit
thickness
plate
measurement
suspension
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CN106513442A (en
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帅立国
杨琦
陈慧玲
陈建明
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Southeast University
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Southeast University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/16Control of thickness, width, diameter or other transverse dimensions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/16Control of thickness, width, diameter or other transverse dimensions
    • B21B37/165Control of thickness, width, diameter or other transverse dimensions responsive mainly to the measured thickness of the product

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

本发明公开了一种高速板材厚度测量与保持装置,该装置包括引导机构和厚度测量机构;所述的引导机构安插在套有复位弹簧的滑块上,可在导轨上上下移动;所述的厚度测量机构一共有三个,分别安装在板材通过位置的中间位置以及对称两侧位置;整个引导机构和厚度测量机构构成了一个悬浮机构,使待测板材处于一种自然拉伸状态,解决了传统位移传感器自身测量磨损以及对板材的损害问题,并提高了测量精度。

The invention discloses a high-speed plate thickness measuring and maintaining device. The device includes a guiding mechanism and a thickness measuring mechanism; the guiding mechanism is placed on a slider covered with a return spring and can move up and down on a guide rail; the described There are three thickness measuring mechanisms, which are respectively installed in the middle of the passing position of the plate and on both sides of the symmetrical position; the whole guiding mechanism and the thickness measuring mechanism constitute a suspension mechanism, which makes the plate to be measured in a natural stretching state, which solves the problem of The traditional displacement sensor measures wear and damage to the plate itself, and improves the measurement accuracy.

Description

一种高速板材厚度测量与保持装置A High-speed Plate Thickness Measuring and Holding Device

技术领域technical field

本发明涉及一种高速板材厚度测量与保持装置,具体涉及一种板材在线测厚装置。The invention relates to a high-speed plate thickness measuring and maintaining device, in particular to an online plate thickness measuring device.

背景技术Background technique

在钢铁、塑胶地板等板材生产企业中,用于板材的厚度检测装置普遍采用激光或红外探头为光源的摄像系统,此设备成本高,对于使用环境要求苛刻,安装和维修不易,且其精度也并不高于接触式位移传感器。而位移传感器虽然具有成本低廉、维护容易和精度较高等优势,但在复杂工业现场情况下容易受振动等因素影响,造成测量误差。In sheet metal production enterprises such as steel and plastic flooring, the thickness detection device for the sheet generally uses a camera system with a laser or an infrared probe as the light source. Not higher than the contact displacement sensor. Although the displacement sensor has the advantages of low cost, easy maintenance and high precision, it is easily affected by vibration and other factors in complex industrial site conditions, resulting in measurement errors.

发明内容Contents of the invention

发明目的:本发明针对板材轧制环节中板材厚度的实时监测问题,提出了一种在线测厚装置,通过位移传感器在线测出厚度并将测得的数据及时反馈给PLC,由PLC控制相应的轧辊伺服电机进行调节,控制板材的厚度参数,从而实现整个系统的全闭环控制,达到预期的板材尺寸要求。Purpose of the invention: The present invention aims at the real-time monitoring of the plate thickness in the plate rolling link, and proposes an online thickness measuring device, which measures the thickness online through a displacement sensor and feeds back the measured data to the PLC in time, and the PLC controls the corresponding The roller servo motor is adjusted to control the thickness parameters of the plate, so as to realize the full closed-loop control of the whole system and meet the expected plate size requirements.

技术方案:针对上述技术问题,本发明提供的一种板材厚度检测装置,通过构建一种悬浮结构,采用位移传感器测量板材厚度,测量的尺寸数据实时反馈PLC程序处理,实现了板材生产线的全闭环控制。该装置包括引导机构和厚度测量机构。其中,引导机构用于引导板材输入到厚度测量机构中,导轮机构的底座分别通过螺栓固定在基座上,导轮机构有两个调节手轮,转动手轮调节导轮在竖直方向上的位置,调节导轮与板材贴合。Technical solution: Aiming at the above technical problems, the present invention provides a plate thickness detection device. By constructing a suspension structure, a displacement sensor is used to measure the plate thickness, and the measured size data is fed back to PLC program processing in real time, realizing a fully closed loop of the plate production line control. The device includes a guiding mechanism and a thickness measuring mechanism. Among them, the guide mechanism is used to guide the plate to be input into the thickness measuring mechanism. The base of the guide wheel mechanism is respectively fixed on the base by bolts. The guide wheel mechanism has two adjustment handwheels. Turn the handwheel to adjust the guide wheel in the vertical direction Adjust the position of the guide wheel to fit the plate.

厚度测量机构共有三个测量部分组成,分别测量板材中间位置和两边边缘的厚度,通过各自的安装架安装在限位机构上,且厚度测量系统中的导轮中心线与引导机构的导轮中心线处于同一水平线。这样整个引导机构和传感器测量机构构成了一个悬浮机构,悬浮机构可随板材厚度变化上下浮动。The thickness measuring mechanism consists of three measuring parts, which respectively measure the thickness of the middle position of the plate and the edges of both sides, and are installed on the limit mechanism through their respective mounting brackets, and the centerline of the guide wheel in the thickness measurement system and the guide wheel center of the guide mechanism lines are at the same level. In this way, the entire guiding mechanism and the sensor measuring mechanism constitute a suspension mechanism, which can float up and down with the thickness of the plate.

具体地,本发明提供了一种高速板材厚度测量与保持装置,包括底座、用于测量板材厚度的厚度测量机构以及用于引导板材输入到厚度测量机构中的引导机构;其中,所述引导机构包括固定于底座上的两个导轮基座、设置在导轮基座上的螺纹杆、与螺纹杆转动连接的驱动块、两端分别与驱动块固定连接的安装轴、通过滚动轴承与安装轴转动连接的引导轮,以及与螺纹管固定连接的手轮;所述厚度测量机构包括固定于底座上的测量机构安装座、固定连接在测量机构安装座上的第一测量组件、第二测量组件和第三测量组件,以及用于限制测量组件运动自由度的限位机构;所述第一/第二和第三测量组件包括与所述引导轮位于同一平面的测量轮,以及固定于测量机构安装座上的、用于安装传感器的安装架。Specifically, the present invention provides a high-speed plate thickness measurement and holding device, including a base, a thickness measurement mechanism for measuring the thickness of the plate, and a guide mechanism for guiding the plate into the thickness measurement mechanism; wherein the guide mechanism It consists of two guide wheel bases fixed on the base, a threaded rod set on the guide wheel base, a driving block connected to the threaded rod in rotation, a mounting shaft fixedly connected to the driving block at both ends, and a rolling bearing connected to the mounting shaft. Rotationally connected guide wheels, and a hand wheel fixedly connected to the threaded pipe; the thickness measuring mechanism includes a measuring mechanism mounting seat fixed on the base, a first measuring assembly fixedly connected to the measuring mechanism mounting seat, and a second measuring assembly and a third measuring assembly, and a limit mechanism for limiting the degree of freedom of movement of the measuring assembly; the first/second and third measuring assemblies include a measuring wheel on the same plane as the guide wheel, and are fixed to the measuring mechanism A mounting bracket for mounting the sensor on the mount.

第一测量组件和第三测量组件位于两侧,用于测量板材边缘的厚度,第二测量组件位于中间,用于测量板材中部的厚度,从而能够获得更为准确的测量数据。引导轮和测量轮的中心线位于同一平面。当引导机构将板材引入时,测量机构随板材厚度的变化而上下浮动,位移传感器记录位移的距离,从而计算板材的厚度。通过三组测量数据,能够更加准确的记录板材的厚度。The first measuring component and the third measuring component are located on both sides for measuring the thickness of the edge of the plate, and the second measuring component is located in the middle for measuring the thickness of the middle of the plate, so that more accurate measurement data can be obtained. The centerlines of the guide wheel and the measuring wheel are in the same plane. When the guide mechanism introduces the plate, the measuring mechanism floats up and down with the thickness of the plate, and the displacement sensor records the displacement distance to calculate the thickness of the plate. Through three sets of measurement data, the thickness of the plate can be recorded more accurately.

在进一步的实施例中,所述测量机构安装座包括安装板、固定在安装板上的若干个竖直支撑杆,以及与竖直支撑杆固定连接的横向支撑杆;所述安装板通过安装支腿与底座固定连接。所述测量轮与传感器安装架固定连接,在外力的作用下,即在板材的挤压下,测量轮可沿传感器安装架轴线的方向移动。接触式位移传感器根据导轮及传感器安装架的移动距离计算板材的厚度。所述横向支撑杆为至少两组,其两端分别与竖直支撑杆和安装架固定连接。两组及以上的横向支撑架能够限定安装架的自由度,即安装架无法在前后和左右的方向上移动,从而可以减少测量误差。所述限位机构包括两组通过加强杆相互连接的限位圈,每个限位圈上设置有两个挡块。通过四个设置于测量轮四周的挡块,可以限定测量轮的晃动,使其仅能够在竖直方向上移动,从而获得更为准确的测量数据。In a further embodiment, the mounting seat of the measuring mechanism includes a mounting plate, several vertical support rods fixed on the mounting plate, and horizontal support rods fixedly connected with the vertical support rods; The legs are fixedly connected to the base. The measuring wheel is fixedly connected with the sensor mounting frame, and under the action of external force, that is, under the extrusion of the plate, the measuring wheel can move along the axis of the sensor mounting frame. The contact displacement sensor calculates the thickness of the sheet according to the moving distance of the guide wheel and the sensor mounting frame. There are at least two groups of the horizontal support rods, the two ends of which are respectively fixedly connected with the vertical support rods and the installation frame. Two or more sets of lateral support frames can limit the degrees of freedom of the mounting frame, that is, the mounting frame cannot move in front, rear, left and right directions, thereby reducing measurement errors. The limiting mechanism includes two groups of limiting rings connected to each other through reinforcing rods, and two stoppers are arranged on each limiting ring. Through the four stoppers arranged around the measuring wheel, the shaking of the measuring wheel can be limited so that it can only move in the vertical direction, so as to obtain more accurate measurement data.

在更进一步的实施例中,提供一种板材在线测厚装置,其包括底座、引导机构和厚度测量机构,引导机构和厚度测量机构固定在底座上,厚度测量机构包括固定支架、限位机构、悬浮机构和接触式位移传感器,所述固定支架与底座连接,限位机构与固定支架和悬浮机构连接,接触式位移传感器安装在悬浮机构上;所述限位机构为三组,第一限位机构安装在固定支架的中间位置,第二限位机构与第三限位机构分别安装在固定支架的两侧位置;第一、二、三限位机构均包括水平限位机构和旋转限位机构,旋转限位机构与水平限位机构连接,水平限位机构固定在固定支架上,所述第一限位机构的旋转限位机构比第二、三限位机构的旋转机构长;所述水平限位机构包括安装柱和限位杆,两根限位杆分别固定在安装柱的上下两端,所述旋转限位机构包括挡块和加强杆。In a further embodiment, an online plate thickness measuring device is provided, which includes a base, a guiding mechanism and a thickness measuring mechanism, the guiding mechanism and the thickness measuring mechanism are fixed on the base, and the thickness measuring mechanism includes a fixed bracket, a limit mechanism, The suspension mechanism and the contact displacement sensor, the fixed bracket is connected with the base, the limit mechanism is connected with the fixed bracket and the suspension mechanism, and the contact displacement sensor is installed on the suspension mechanism; the limit mechanisms are three groups, the first limit The mechanism is installed in the middle of the fixed bracket, and the second limit mechanism and the third limit mechanism are respectively installed on both sides of the fixed bracket; the first, second and third limit mechanisms all include a horizontal limit mechanism and a rotation limit mechanism , the rotation limit mechanism is connected with the horizontal limit mechanism, and the horizontal limit mechanism is fixed on the fixed bracket, and the rotation limit mechanism of the first limit mechanism is longer than the rotation mechanism of the second and third limit mechanisms; The limit mechanism includes a mounting column and a limit rod, and the two limit rods are respectively fixed on the upper and lower ends of the mounting column, and the rotation limit mechanism includes a stopper and a reinforcing rod.

优选的,所述悬浮机构包括导轮和支架,其中导轮与支架活动连接,支架的下部采用金字塔型结构;所述悬浮机构为三组,第一悬浮机构安装在第一限位机构上,第二悬浮机构、第三悬浮机构分别安装在第二、三限位机构上,第一悬浮机构比第二、三悬浮机构长。所述引导机构包括手轮、基座、安装轴、导轮、驱动块和螺纹杆,其中,手轮安装在螺纹杆上,同基座通过止推轴承安装在一起。所述厚度测量机构与控制机构电连接。所述的控制机构包括PLC控制器和轧辊伺服电机,接触式位移传感器在线测出板材厚度并将测得的数据及时反馈给PLC控制器,由PLC控制器控制相应的轧辊伺服电机进行调节,控制板材的厚度参数,从而实现整个系统的全闭环控制。Preferably, the suspension mechanism includes a guide wheel and a bracket, wherein the guide wheel is movably connected to the bracket, and the lower part of the bracket adopts a pyramid structure; the suspension mechanism is three groups, the first suspension mechanism is installed on the first limit mechanism, The second suspension mechanism and the third suspension mechanism are installed on the second and third limit mechanisms respectively, and the first suspension mechanism is longer than the second and third suspension mechanisms. The guiding mechanism includes a hand wheel, a base, an installation shaft, a guide wheel, a driving block and a threaded rod, wherein the hand wheel is mounted on the threaded rod, and is installed together with the base through a thrust bearing. The thickness measuring mechanism is electrically connected with the control mechanism. The control mechanism includes a PLC controller and a roller servo motor. The contact displacement sensor measures the plate thickness online and feeds back the measured data to the PLC controller in time. The PLC controller controls the corresponding roller servo motor to adjust and control The thickness parameter of the plate, so as to realize the full closed-loop control of the whole system.

有益效果:本发明利用悬浮机构和接触式位移传感器,保证了在复杂环境下正常工作能力,以低成本、高精度的优势克服了传统红外检测的高成本、难维护的不足。导轮机构保证了板材传送方向的确定性。三组位移传感器将测量到的板材中间位置以及两侧边缘的厚度信息实时反馈给PLC,由PLC控制相应的伺服电机进行调节轧辊间距,消除误差,实现整个轧机系统的全闭环控制。Beneficial effects: the invention utilizes the suspension mechanism and the contact displacement sensor to ensure the normal working ability in complex environments, and overcomes the disadvantages of high cost and difficult maintenance of traditional infrared detection with the advantages of low cost and high precision. The guide wheel mechanism ensures the certainty of the plate conveying direction. Three sets of displacement sensors feed back the measured middle position of the plate and the thickness information of both sides to the PLC in real time, and the PLC controls the corresponding servo motor to adjust the distance between the rolls, eliminate errors, and realize the full closed-loop control of the entire rolling mill system.

附图说明Description of drawings

图1是本发明测厚装置的整体结构示意图。Fig. 1 is a schematic diagram of the overall structure of the thickness measuring device of the present invention.

图2是本发明引导机构的示意图。Fig. 2 is a schematic diagram of the guiding mechanism of the present invention.

图3是本发明厚度测量的机构示意图。Fig. 3 is a schematic diagram of the thickness measurement mechanism of the present invention.

图4是本发明限位机构的示意图。Fig. 4 is a schematic diagram of the limiting mechanism of the present invention.

图5是本发明悬浮测量机构的示意图。Fig. 5 is a schematic diagram of the suspension measuring mechanism of the present invention.

具体实施方式Detailed ways

下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚完整地描述。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

图1是本发明的装置整体结构,该装置主要由安装在底座1上的两大模块组成,分别是引导机构2和厚度测量机构。在该实施例中,厚度测量机构包括第一厚度测量机构31、第二厚度测量机构32和第三厚度测量机构33。其中,引导机构负责板材的导入和导出,保证板材传送的方向性,厚度测量机构安装在引导机构上方,保证在板材由厚度不均的情况下保持传感器机构与板材起伏的同步,确保接触式位移传感器测量的准确性。Fig. 1 is the overall structure of the device of the present invention, which is mainly composed of two modules installed on the base 1, which are respectively the guiding mechanism 2 and the thickness measuring mechanism. In this embodiment, the thickness measuring mechanism includes a first thickness measuring mechanism 31 , a second thickness measuring mechanism 32 and a third thickness measuring mechanism 33 . Among them, the guide mechanism is responsible for the import and export of the plate to ensure the directionality of the plate transmission. The thickness measurement mechanism is installed above the guide mechanism to ensure that the sensor mechanism and the undulation of the plate are kept in sync when the plate is uneven in thickness, ensuring contact displacement. Accuracy of sensor measurements.

结合图2详细描述引导机构2的结构,其主要包括手轮26、导轮机构基座21、安装轴25、引导轮24、驱动块23和螺纹杆22等部件。安装轴与引导轮通过滚动轴承连接,以保证导轮的滚动,以实现对板材的牵引。引导轮的两端通过驱动块与螺纹杆连接。手轮安装在螺纹杆上,同基座通过止推轴承安装在一起,摇动手轮,可手动调节导轮在竖直方向的位置,控制导轮与板材的贴合。引导机构安插在套有复位弹簧的滑块上,可在导轨上上下移动。The structure of the guide mechanism 2 is described in detail in conjunction with FIG. 2 , which mainly includes a hand wheel 26 , a guide wheel mechanism base 21 , a mounting shaft 25 , a guide wheel 24 , a driving block 23 and a threaded rod 22 and other components. The installation shaft and the guide wheel are connected through rolling bearings to ensure the rolling of the guide wheel and to achieve the traction of the plate. The two ends of the guide wheel are connected with the threaded rod through the drive block. The hand wheel is installed on the threaded rod, and is installed with the base through a thrust bearing. Shaking the hand wheel can manually adjust the position of the guide wheel in the vertical direction and control the fit between the guide wheel and the plate. The guiding mechanism is inserted on the sliding block covered with the return spring, and can move up and down on the guide rail.

结合图3详细描述板材厚度测量机构的结构,其主要包括测量轮307、传感器机构安装架306、第一限位机构304、传感器安装头305和第二限位机构308。厚度测量机构还包括安装板302,该安装板通过安装支腿301固定连接于底座上。竖直支撑杆303和作为第一限位机构的至少两组横向支撑杆可用于限制安装架的自由度,使其无法在左右和前后方向上运动,从而不会发生偏离,提高测量的准确度。同时,安装架可沿其轴线方向移动,即安装架与横向支撑杆之间具有一定的间隙。第二限位机构为旋转限位机构,将在下文详细描述。The structure of the plate thickness measuring mechanism is described in detail with reference to FIG. 3 , which mainly includes a measuring wheel 307 , a sensor mechanism mounting frame 306 , a first limit mechanism 304 , a sensor installation head 305 and a second limit mechanism 308 . The thickness measuring mechanism also includes a mounting plate 302 fixedly connected to the base through mounting legs 301 . The vertical support rod 303 and at least two sets of lateral support rods as the first limiting mechanism can be used to limit the degree of freedom of the installation frame, so that it cannot move in the left and right and front and rear directions, so that deviation will not occur and the accuracy of measurement will be improved. . At the same time, the installation frame can move along its axis direction, that is, there is a certain gap between the installation frame and the transverse support rod. The second limit mechanism is a rotation limit mechanism, which will be described in detail below.

图4是本发明的旋转限位机构。从图中可知该机构包括四个限位挡块309和两个加强杆310;其中四个限位挡块限制了悬浮装置的绕传感器安装架的旋转运动自由度,保证了悬浮机构只能在竖直方向上运动;加强杆用于增加固定挡块结构的强度。Fig. 4 is the rotation limiting mechanism of the present invention. It can be seen from the figure that the mechanism includes four limit stops 309 and two reinforcing rods 310; wherein the four limit stops limit the freedom of rotation of the suspension device around the sensor mounting frame, ensuring that the suspension mechanism can only Movement in the vertical direction; reinforcing rods are used to increase the strength of the fixed stop structure.

测量轮与引导轮的中心线处于同一平面,其位置由限位机构调节限位杆长度保证。限位机构通过上下两根限位杆,在传感器安装架足够长的情况下,限制了悬浮装置的前后左右四个方向的运动自由度,限位机构通过四个挡块,限制了悬浮装置的绕传感器安装架的旋转运动自由度,保证了悬浮机构只能在竖直方向上运动;在传感器安装头的位置加装位移传感器,由悬浮机构的上下运动进而测得板材的厚度及厚度变化情况。The center line of the measuring wheel and the guide wheel is in the same plane, and its position is guaranteed by the length of the limit rod adjusted by the limit mechanism. The limit mechanism restricts the freedom of movement of the suspension device in the four directions of front, rear, left, and right through the upper and lower limit rods when the sensor mounting frame is long enough. The limit mechanism limits the suspension device through four stoppers. The degree of freedom of rotational movement around the sensor mounting frame ensures that the suspension mechanism can only move in the vertical direction; a displacement sensor is installed at the position of the sensor installation head, and the thickness and thickness change of the plate can be measured by the up and down movement of the suspension mechanism .

图5是本发明的悬浮测量机构,该机构包括测量轮307和传感器安装架306;其中传感器安装架采用金字塔型结构,在满足强度要求的同时,节省了安装空间。Fig. 5 is a suspension measurement mechanism of the present invention, which includes a measurement wheel 307 and a sensor mounting frame 306; wherein the sensor mounting frame adopts a pyramid structure, which saves installation space while meeting the strength requirements.

在工作时,板材在引导轮的引导下进入引导轮和测量轮之间,将测量轮及安装杆向上推动,接触式位移传感器根据移动距离得出板材厚度的数据。通过三组测量数据,可以更准确的获得板材的厚度参数。When working, the plate enters between the guide wheel and the measuring wheel under the guidance of the guide wheel, and the measuring wheel and the installation rod are pushed upward, and the contact displacement sensor obtains the data of the plate thickness according to the moving distance. Through three sets of measurement data, the thickness parameters of the plate can be obtained more accurately.

以上所述仅为本发明的较佳实施方式,本发明的保护范围并不以上述实施方式为限,但凡本领域普通技术人员根据本发明所揭示内容所作的等效修饰或变化,皆应纳入权利要求书中记载的保护范围内。The above descriptions are only preferred embodiments of the present invention, and the scope of protection of the present invention is not limited to the above embodiments, but all equivalent modifications or changes made by those of ordinary skill in the art according to the disclosure of the present invention should be included within the scope of protection described in the claims.

Claims (6)

1. a kind of high speed plate thickness measure and holding meanss, which is characterized in that including pedestal, for the thickness of sheet material measurement thickness It spends measuring mechanism and is input to the guiding mechanism in thickness measure mechanism for guiding sheet metal;
Wherein, the guiding mechanism include be fixed on two on pedestal guide wheel pedestals, the threaded rod being arranged on guide wheel pedestal, With threaded rod rotation connection drive block, both ends be fixedly connected respectively with drive block installation axle, by rolling bearing and installation The guide wheel of axis rotation connection, and the handwheel being fixedly connected with threaded rod;The thickness measure mechanism includes being fixed on pedestal On measuring mechanism mounting base, be connected in measuring mechanism mounting base first measurement component, second measurement component and third survey Measure component, and the position-limit mechanism for limiting measurement component movement freedom degree;The first/second and third measurement component are equal Including the measurement wheel being generally aligned in the same plane with the guide wheel, and be connected to it is in measuring mechanism mounting base, for install pass The sensor mount of sensor;
The measuring mechanism mounting base includes mounting plate, fixed several vertical support rods on a mounting board, and with it is vertical The transverse support bar that support rod is fixedly connected;The mounting plate is fixedly connected by installation supporting leg with pedestal;
The measurement wheel is fixedly connected with sensor mount, and under the effect of external force, measurement wheel can be along sensor mount axis The direction of line is mobile;
The transverse support bar is at least two groups, and one end is fixedly connected with vertical support rod, the other end and sensor mount Connection, and there is certain gap between sensor mount and transverse support bar;
The position-limit mechanism includes two groups and passes through reinforcing rod spacing collar interconnected, and there are two gears for setting on each spacing collar Block.
2. a kind of plate thickness measurement online device, which is characterized in that including pedestal, guiding mechanism and thickness measure mechanism, vectoring aircraft Structure and thickness measure mechanism are fixed on the base, and thickness measure mechanism includes fixed bracket, position-limit mechanism, suspension mechanism and contact Formula displacement sensor, the fixed bracket are connect with pedestal, and position-limit mechanism is connect with fixed bracket and suspension mechanism, contact position Displacement sensor is mounted on suspension mechanism;The position-limit mechanism is three groups, and the first position-limit mechanism is mounted on support bracket fastened centre Position, the second position-limit mechanism and third position-limit mechanism are separately mounted to support bracket fastened two side position;First, second, third limit Position mechanism includes Horizontal limiting mechanism and rotary position-limit mechanism, and rotary position-limit mechanism is connect with Horizontal limiting mechanism, level limit Position mechanism is fixed on fixed bracket, the rotation of the rotary position-limit mechanism of first position-limit mechanism than second and third position-limit mechanism Mechanism head;The Horizontal limiting mechanism includes mounting post and gag lever post, and two gag lever posts are separately fixed at up and down the two of mounting post End, the rotary position-limit mechanism includes block and reinforcing rod.
3. a kind of plate thickness measurement online device according to claim 2, it is characterised in that: the suspension mechanism includes guide wheel And bracket, wherein guide wheel is flexibly connected with bracket, and the lower part of bracket uses pyramid structure;The suspension mechanism is three groups, First suspension mechanism is mounted on the first position-limit mechanism, and the second suspension mechanism, third suspension mechanism are separately mounted to second and third limit In the mechanism of position, the first suspension mechanism is longer than second and third suspension mechanism.
4. a kind of plate thickness measurement online device according to claim 3, it is characterised in that: the guiding mechanism includes hand Wheel, pedestal, installation axle, guide wheel, drive block and threaded rod, wherein handwheel is mounted on threaded rod, passes through thrust bearing with pedestal It is installed together.
5. a kind of plate thickness measurement online device according to claim 4, it is characterised in that: the thickness measure mechanism and control Mechanism electrical connection processed.
6. a kind of plate thickness measurement online device according to claim 5, it is characterised in that: the control mechanism includes PLC controller and roll servo motor, tangent displacement sensor measure the plate thickness and data measured are anti-in time online It feeds PLC controller, corresponding roll servo motor is controlled by PLC controller and is adjusted, the thickness parameter of plate is controlled, from And realize the full closed loop control of whole system.
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