WO2017133176A1 - 一种基于距离感应的面板平整度测试仪 - Google Patents

一种基于距离感应的面板平整度测试仪 Download PDF

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Publication number
WO2017133176A1
WO2017133176A1 PCT/CN2016/087924 CN2016087924W WO2017133176A1 WO 2017133176 A1 WO2017133176 A1 WO 2017133176A1 CN 2016087924 W CN2016087924 W CN 2016087924W WO 2017133176 A1 WO2017133176 A1 WO 2017133176A1
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panel
rail
test platform
flatness
disposed
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PCT/CN2016/087924
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English (en)
French (fr)
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吕双媛
杨越强
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意力(广州)电子科技有限公司
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Publication of WO2017133176A1 publication Critical patent/WO2017133176A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces

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  • the invention relates to a test device for a glass panel, in particular to a panel flatness tester based on distance sensing.
  • the most common method of testing the flatness of a glass panel is to use a plug gauge test.
  • a plug gauge test When testing, first place the glass panel to be tested on a flat marble platform, then select plug gauges of different specifications, gently press the plug gauge with your fingers to enter the middle of the glass panel to be tested and the marble platform, and test the glass panels separately. The four corners and the points in the middle of the sides of the glass panel can be used to confirm the flatness of the glass panel when the plug gauge cannot enter any one of the points.
  • the biggest drawbacks of using this method are: First, the measurement error is large. The method mainly judges the plug gauge specification that should be inserted according to the human feeling. The test result is subjectively influenced by the tester. Second, the test efficiency is low due to the flatness. The measurement needs to take six points of the glass panel, so the same sample to be tested needs to repeat the same action many times, the operation is cumbersome, resulting in low test efficiency, and it is difficult to meet the rapid detection of batch products.
  • the invention provides a panel flatness tester based on distance sensing, and solves the technical problems of large measurement error and low test efficiency when using a plug gauge to detect flatness.
  • the invention provides a panel flatness tester based on distance sensing for testing the flatness of a glass panel, the flatness tester comprising a base, a test platform disposed above the base, and two test platforms disposed on the test platform a first rail of the side, two ends respectively matched with the first rail and spanning a bracket disposed above the test platform, and a bracket extending on the bracket along a direction of the bracket across the test platform a second rail and a distance sensor matched with the second rail;
  • bracket moves along the first rail
  • distance sensor moves along the second rail
  • first rail and the second rail are perpendicular to each other
  • the distance sensor is located in the test Above the platform, it is used to determine the flatness of the glass panel placed on the test platform.
  • the panel flatness tester further includes a plurality of support columns disposed on the test platform for supporting the glass panel.
  • test platform is formed by a plurality of side plates vertically disposed and a horizontally disposed top plate, the top plate portion is upwardly convex to form a test panel for placing a glass panel, and the test panel is provided with a plurality of A groove that is recessed toward itself.
  • the side plate of the test platform provided with the first rail has a lower height than the other side plates, and the first rail is fixedly disposed on the side plate of the test platform.
  • the upper edge extends along the length of the side plate; the first rail is further provided with a limiting block slidably connected thereto, and the limiting block is disposed in front of the bracket.
  • the bracket includes a support portion vertically disposed on two sides of the test platform and a bracket body disposed laterally above the test platform, and a lower end of the support portion is slidably coupled to the first rail, The upper end of the support portion is coupled to the bracket body.
  • the surface of the bracket body facing the side of the test panel is provided with an elongated receiving groove, and the second rail is disposed in the receiving groove.
  • a sliding member is fixed behind the distance sensor, and the sliding member is slidably connected to the second guiding rail.
  • the distance sensor is a laser distance sensor.
  • the length of the limiting block is L
  • the thickness of the distance sensor is D, L "D.
  • the uniformity tester of the present invention can replace the traditional plug gauge to test the flatness of the glass panel, and operate More convenient and more accurate results.
  • the flatness tester of the present invention can move the distance sensor in two directions of the X and Y axes by setting mutually perpendicular guide rails, and finally, the distance sensor can measure the plurality of points of the glass panel, thereby obtaining more The point measurement value is combined with the formula to calculate the flatness of the glass panel, which reduces the manual repeat operation of the measurement process and makes the test efficiency higher.
  • FIG. 1 is a schematic structural view of a panel flatness tester based on distance sensing according to Embodiment 2.
  • Figure 2 is a plan view of Figure 1.
  • Figure 3 is a right side view of Figure 1.
  • Figure 4 is a front elevational view of Figure 1.
  • FIG. 5 is a schematic diagram of the use state of the panel flatness tester based on distance sensing according to the second embodiment.
  • the above partial terms may be used to indicate other meanings in addition to the orientation or positional relationship, for example, the term “upper” may also be used to indicate a certain dependency or connection relationship in some cases.
  • the specific meaning of these terms in the present invention can be understood on a case-by-case basis.
  • installation should be understood broadly.
  • it may be a fixed connection, a detachable connection, or a one-piece construction; it may be a mechanical connection, or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, or it may be two devices, components or components. Internal communication.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • first means two or more.
  • the direction in which the carriage moves on the first rail is defined as the front and the rear, wherein the direction in which the bracket moves toward the test panel is defined as the front, and the direction in which the bracket moves away from the test panel is defined as the rear.
  • the embodiment provides a panel flatness tester based on distance sensing for testing the flatness of a glass panel, the flatness tester comprising a base, a test platform disposed above the base, and a test platform disposed on the test platform a first rail on each side, two ends respectively matched with the first rail and spanning a bracket disposed above the test platform, and extending on the bracket along a direction of the bracket across the test platform a second rail and a distance sensor matched with the second rail;
  • bracket moves along the first rail
  • distance sensor moves along the second rail
  • first rail and the second rail are perpendicular to each other
  • the distance sensor is located in the test Above the platform, it is used to determine the flatness of the glass panel placed on the test platform.
  • the embodiment provides a panel flatness tester based on distance sensing for flatness testing of a glass panel.
  • the flatness tester includes a base 1 and a test platform 2 disposed above the base 1 .
  • the first rails 3 disposed on the left and right sides of the test platform 2 are respectively slidably connected to the first rails 3 and span the brackets 4 disposed above the test platform 2, along the length direction of the brackets 4 (ie, substantially along FIG. 1)
  • a second rail 5 extending in the northwest and southeast directions and disposed on the bracket 4 and a distance sensor 6 disposed on the second rail 5 are provided.
  • the test platform 2 is surrounded by a first side panel 21, a second side panel 22, a third side panel 23, a fourth side panel 24, and a horizontally disposed top panel 25 disposed around the circumference. Formed together.
  • the top plate 25 is partially upwardly convex to form a test panel 26 for placing a glass panel, and the test panel 26 is further provided with a plurality of recesses 27 recessed toward the interior thereof.
  • the first rails are respectively disposed on the second side plate and the fourth side plate. Since the structure is the same, in the present embodiment, only the first guide rail provided on the second side plate is described, and the first guide rail provided on the fourth side plate is not additionally described.
  • the height of the second side panel 22 is lower than the heights of the first side panel 21 and the third side panel 23, so that a formation is formed between the top panel 25 and the second side panel 22.
  • the first rail 3 is fixedly disposed at an upper edge of the second side panel 22 and extends along a length direction of the second side panel 22.
  • a limiting block 31 slidably coupled thereto is further disposed on the first rail 3, and the limiting block 31 is disposed in front of the bracket 4 for limiting the sliding position of the bracket 4.
  • the bracket 4 includes a support portion 41 vertically disposed on both sides of the test platform 2 and a bracket main body 42 disposed laterally above the test platform 2.
  • the lower end of the support portion 41 is slidably coupled to the first rail 3, and the upper end is coupled to the bracket body 42, and the bracket is slidable on the first rail in the front-rear direction of the second side panel.
  • An elongated receiving groove 43 is formed in the surface of the bracket 4 facing the test panel 26, and the second rail 5 is disposed in the receiving groove 43.
  • the rear of the distance sensor 6 is fixedly coupled to a sliding member 61.
  • the sliding member 61 is slidably coupled to the second rail 5 so that the distance sensor can be supported by the sliding member on the second rail. Slide the subject in the left and right direction.
  • the first rail 3 and the second rail 5 are perpendicular to each other, the bracket 4 can be moved back and forth along the first rail 3, and the distance sensor 6 can be moved left and right along the second rail 5. Therefore, the distance sensor can be moved in the front, back, left and right directions to realize multi-point testing of the glass panel.
  • the length of the limiting block is L
  • the thickness of the distance sensor is D.
  • the bracket In order to ensure that the distance sensor can be moved to any point above the glass panel, the bracket is in the first
  • the maximum displacement of the guide rail toward the front should at least allow the distance sensor to move to the edge of the glass panel, so the length of the limit block should not be too long, L "D.
  • the panel flatness tester based on distance sensing further includes four plastic support columns for supporting the glass panel to be tested.
  • the bottom shape of the support post matches the groove in the test panel so that the support post can be securely mounted in the recess of the test panel.
  • the top of the support column may be designed to have a larger contact area to increase the contact area between the support post and the glass panel.
  • the support column is a detachable component of the panel flatness tester based on distance sensing or is fixedly disposed on the test panel. In this embodiment, the support column is used as a detachable component. When testing, it is mounted on the test panel, and after the test is finished, it is removed from the test panel.
  • the number of the support columns can also be determined according to the test needs, for example, six, seven, eight, nine or ten support columns can be provided for supporting the glass panel.
  • the four support columns 7 are respectively installed in the grooves 27 of the four different positions of the test panel, and The glass panel 8 is placed on the support column 7, and the plurality of points of the glass panel 8 are tested by the distance sensor 6, and finally the flatness of the glass panel is calculated by combining the test data and the formula.

Abstract

一种基于距离感应的面板平整度测试仪，用于测试玻璃面板（8）的平整度，包括底座（1）、设置在底座（1）上方的测试平台（2）、设置在测试平台（2）两侧的第一导轨（3）、两端分别与第一导轨（3）匹配连接且横跨设置在测试平台（2）上方的支架（4）、沿支架（4）横跨测试平台（2）的方向开设在支架（4）上的第二导轨（5）以及与第二导轨（5）匹配连接的距离感应器（6）；其中，支架（4）沿第一导轨（3）移动，距离感应器（6）沿第二导轨（5）移动，第一导轨（3）与第二导轨（5）相互垂直设置，距离感应器（6）位于测试平台（2）上方，用于测定放置在测试平台（2）上玻璃面板（8）的平整度。该平整度测试仪可实现对玻璃面板（8）平整度的自动测定，操作方便，结果准确，可获得多点位测量值，使测量过程的人工重复操作减少，测试效率更高。

Description

一种基于距离感应的面板平整度测试仪 技术领域
本发明涉及玻璃面板的测试设备，具体是一种基于距离感应的面板平整度测试仪。
背景技术
智能手机、平板电脑等产业的快速发展，使得用于智能手机、平板电脑等产品上的玻璃面板质量显得极为重要。在生产过程中，由于受热不均、内部残留应力等原因，玻璃面板的表面可能产生变形，使电子产品的保护玻璃与屏幕贴合后，两者之间产生较大的应力，影响屏幕的使用寿命。
目前，测试玻璃面板平整度最常用的方法是利用塞规测试。测试时，首先将待测玻璃面板放置在平整的大理石平台上，然后选择不同规格的塞规，用手指轻轻按住塞规使其进入待测玻璃面板与大理石平台的中间，分别测试玻璃面板的四个角与玻璃面板两侧边中部的点位，当塞规不能进入任意一个点位时，即可通过塞规来确认该玻璃面板的平整度值。采用该方法最大的弊端在于：第一，测量误差大，该方法主要凭人为感觉判断应插入的塞规规格，测试结果受测试人员主观影响较大；第二，测试效率低，由于平整度的测定需要取玻璃面板的六个点位，因此同一待测样品需重复多次相同动作，操作繁琐，导致测试效率较低，难以满足对批量产品的快速检测。
由此可见，实有必要设计一种检测精度高、效率高的平整度测试仪，以克服上述玻璃面板平整度的测试方法的不足。
发明内容
本发明通过提供一种基于距离感应的面板平整度测试仪，以解决使用塞规检测平整度时出现的测量误差大、测试效率低等技术问题。
本发明提供一种基于距离感应的面板平整度测试仪，用于测试玻璃面板的平整度，所述平整度测试仪包括底座、设置在所述底座上方的测试平台、设置在所述测试平台两侧的第一导轨、两端分别与所述第一导轨匹配连接且横跨设置在所述测试平台上方的支架、沿所述支架横跨所述测试平台的方向开设在所述支架上的第二导轨以及与所述第二导轨匹配连接的距离感应器；
其中，所述支架沿所述第一导轨移动，所述距离感应器沿所述第二导轨移动，所述第一导轨与所述第二导轨相互垂直设置，所述距离感应器位于所述测试平台上方，用于测定放置在所述测试平台上玻璃面板的平整度。
进一步地，所述面板平整度测试仪还包括若干支撑柱，所述支撑柱设置在所述测试平台上，用于支撑玻璃面板。
进一步地，所述测试平台由竖向设置的若干侧板以及横向设置的顶板围合而成，所述顶板部分向上凸起形成用于放置玻璃面板的测试面板，所述测试面板上设有若干向自身内部凹陷的凹槽。
进一步地，在所述测试平台中，设有所述第一导轨的测试平台的侧板的高度低于其它所述侧板，所述第一导轨固定设在所述测试平台的该侧板的上边缘处，并沿该侧板的长度方向延伸；所述第一导轨上还设有与其滑动连接的限位块，所述限位块设置在所述支架的前方。
进一步地，所述支架包括竖向设置在所述测试平台两侧的支撑部和横向设置在所述测试平台上方的支架主体，所述支撑部的下端与所述第一导轨滑动连接，所述支撑部的上端连接所述支架主体。
进一步地，所述支架主体朝向所述测试面板一侧的表面上开有长条形的容置槽，所述第二导轨设置在所述容置槽中。
进一步地，所述距离感应器后方固设一滑动件，所述滑动件与所述第二导轨滑动连接。
优选地，所述距离感应器为激光距离感应器。
进一步地，所述限位块的长度为L，所述距离感应器的厚度为D，L《D。
与现有技术相比，有益效果如下：
首先，由于该设备装有距离感应器，其能够测定玻璃面板到感应器的距离，实现平整度测定，因此本发明的整度测试仪能够代替传统的塞规来测试玻璃面板的平整度，操作更加方便、结果更加准确。其次，本发明的平整度测试仪通过设置相互垂直的导轨可以使距离感应器在X、Y轴两个方向上移动，最终可实现距离感应器对玻璃面板多个点位的测量，从而获得多点位测量值，结合公式计算出玻璃面板的平整度，使测量过程的人工重复操作减少、测试效率更高。
附图说明
图1是实施例二基于距离感应的面板平整度测试仪的结构示意图。
图2是图1的俯视图。
图3是图1的右视图。
图4是图1的正视图。
图5是实施例二基于距离感应的面板平整度测试仪的使用状态示意图。
具体实施方式
在本发明中，术语"上"、"下"、"左"、"右"、"前"、"后"、"顶"、"底"、"内"、"外"、"中"、"竖直"、"水平"、"横向"、"纵向"等指示的方位或位置关系为基于附图所示的方位或位置关系，仅用于说明各部件或组成部分之间的相对位置关系，并不特别限定各部件或组成部分的具体安装方位。
并且，上述部分术语除了可以用于表示方位或位置关系以外，还可能用于表示其他含义，例如术语"上"在某些情况下也可能用于表示某种依附关系或连接关系。对于本领域普通技术人员而言，可以根据具体情况理解这些术语在本发明中的具体含义。
此外，术语"安装"、"设置"、"设有"、"连接"、"相连"应做广义理解。例如，可以是固定连接，可拆卸连接，或整体式构造；可以是机械连接，或电连接；可以是直接相连，或者是通过中间媒介间接相连，又或者是两个装置、元件或组成部分之间内部的连通。对于本领域普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
此外，术语"第一"、"第二"等主要是用于区分不同的部件或组成部分，并非用于表明或暗示所指示部件或组成部分的相对重要性和数量。除非另有说明，"多个"的含义为两个或两个以上。
此外，在本发明中，将支架在第一导轨上移动的方向定义为前方和后方，其中，支架朝向测试面板移动的方向定义为前方，支架向远离测试面板移动的方向定义为后方。
下面结合实施例和附图对本发明的技术方案作进一步的说明。
实施例一
本实施例提供一种基于距离感应的面板平整度测试仪，用于测试玻璃面板的平整度，所述平整度测试仪包括底座、设置在所述底座上方的测试平台、设置在所述测试平台两侧的第一导轨、两端分别与所述第一导轨匹配连接且横跨设置在所述测试平台上方的支架、沿所述支架横跨所述测试平台的方向开设在所述支架上的第二导轨以及与所述第二导轨匹配连接的距离感应器；
其中，所述支架沿所述第一导轨移动，所述距离感应器沿所述第二导轨移动，所述第一导轨与所述第二导轨相互垂直设置，所述距离感应器位于所述测试平台上方，用于测定放置在所述测试平台上玻璃面板的平整度。
实施例二
本实施例提供一种基于距离感应的面板平整度测试仪，用于玻璃面板的平整度测试，如图1所示，该平整度测试仪包括底座1、设置在底座1上方的测试平台2、设置在测试平台2左右两侧的第一导轨3、两端分别与第一导轨3滑动连接且横跨设置在测试平台2上方的支架4、沿支架4的长度方向（即图1中大致沿西北、东南方向延伸）延伸且设置在支架4上的第二导轨5以及设置在第二导轨上5的距离感应器6。
其中，结合图1、图2所示，测试平台2由设在四周的第一侧板21、第二侧板22、第三侧板23、第四侧板24和水平设置的顶板25共同围合形成。顶板25部分向上凸起形成一测试面板26，用于放置玻璃面板，测试面板26还设有若干向自身内部凹陷的凹槽27。
其中，第一导轨分别设置在第二侧板和第四侧板上。由于结构相同，在本实施例中仅对设置在第二侧板上的第一导轨进行描述，不再另外描述设置在第四侧板上的第一导轨。结合图1、图3所示，在测试平台2中，第二侧板22的高度低于第一侧板21和第三侧板23的高度，使得顶板25和第二侧板22之间形成狭长的开口空间，该开口空间用于容纳第一导轨3和支架4的部分结构。第一导轨3固定设置在第二侧板22的上边缘处，并沿第二侧板22的长度方向延伸。在第一导轨3上还设有与其滑动连接的限位块31，该限位块31设置在支架4的前方，用于限制支架4的滑动位置。
结合图1、图4所示，支架4包括竖向设置在测试平台2两侧的支撑部41和横向设置在测试平台2上方的支架主体42。支撑部41的下端与第一导轨3滑动连接，上端与支架主体42连接，通过支撑部使得支架可在第一导轨上沿第二侧板的前后方向滑动。在支架4朝向测试面板26一侧的表面上开设有长条形的容置槽43，第二导轨5设置在该容置槽43内。
结合图1至图4所示，距离感应器6的后方与一滑动件61固定连接，该滑动件61与第二导轨5滑动连接，使距离感应器可通过滑动件在第二导轨上沿支架主体的左右方向滑动。在本实施例中，如图1所示，第一导轨3与第二导轨5相互垂直设置，支架4可沿第一导轨3进行前后移动，距离感应器6可沿第二导轨5进行左右移动，从而最终实现距离感应器在前、后、左、右方向均可移动，实现对玻璃面板的多点测试。在本实施例中，如图3所示，限位块的长度为L，距离感应器的厚度为D，为了保证距离感应器能够移动到玻璃面板上方的任意一点进行测定，即支架在第一导轨上朝前方移动的最大位移应至少使距离感应器能够移动到玻璃面板的边缘，因此限位块的长度不宜过长，L《D。
此外，在本实施例中，基于距离感应的面板平整度测试仪还包括四个塑料材质的支撑柱，用于支撑待测试的玻璃面板。该支撑柱的底部形状与测试面板中的凹槽相匹配，使支撑柱可稳固地安装在测试面板的凹槽中。而为了更稳固地支撑玻璃面板，支撑柱的顶部可设计成具有较大接触面积的形状，以增加支撑柱与玻璃面板之间的接触面积。可以理解的是，该支撑柱是基于距离感应的面板平整度测试仪的可拆卸零部件或者固定设置在测试面板上。本实施例中该支撑柱作为可拆卸零部件，测试时，将其安装在测试面板上，测试结束后，则从测试面板上取下。同时，该支撑柱的数量也可根据测试需要确定，例如可以设置六个、七个、八个、九个或十个支撑柱，用于支撑玻璃面板。如图5所示，在本实施例中，使用基于距离感应的面板平整度测试仪测试玻璃面板时，将四个支撑柱7分别安装在测试面板的四个不同位置的凹槽27中，将玻璃面板8放置在支撑柱7上，再利用距离感应器6对玻璃面板8的多个点位进行测试，最终结合测试数据和公式计算得到玻璃面板平整度。
本发明的保护范围不限于此，本领域中的技术人员任何基于本发明技术方案上非实质性变更均包括在本发明保护范围之内。

Claims (9)

  1. 一种基于距离感应的面板平整度测试仪，用于测试玻璃面板的平整度，其特征在于：所述平整度测试仪包括底座、设置在所述底座上方的测试平台、设置在所述测试平台两侧的第一导轨、两端分别与所述第一导轨匹配连接且横跨设置在所述测试平台上方的支架、沿所述支架横跨所述测试平台的方向开设在所述支架上的第二导轨以及与所述第二导轨匹配连接的距离感应器；
    其中，所述支架沿所述第一导轨移动，所述距离感应器沿所述第二导轨移动，所述第一导轨与所述第二导轨相互垂直设置，所述距离感应器位于所述测试平台上方，用于测定放置在所述测试平台上玻璃面板的平整度。
  2. 根据权利要求1所述的面板平整度测试仪，其特征在于：所述平整度测试仪还包括若干支撑柱，所述支撑柱设置在所述测试平台上，用于支撑玻璃面板。
  3. 根据权利要求1或2任一项所述的面板平整度测试仪，其特征在于：所述测试平台由竖向设置的若干侧板以及横向设置的顶板围合而成，所述顶板部分向上凸起形成用于放置玻璃面板的测试面板，所述测试面板上设有若干向自身内部凹陷的凹槽。
  4. 根据权利要求3所述的面板平整度测试仪，其特征在于：在所述测试平台中，设有所述第一导轨的测试平台的侧板的高度低于其它所述侧板，所述第一导轨固定设在所述测试平台的该侧板的上边缘处，并沿该侧板的长度方向延伸；所述第一导轨上还设有与其滑动连接的限位块，所述限位块设置在所述支架的前方。
  5. 根据权利要求4所述的面板平整度测试仪，其特征在于：所述限位块的长度为L，所述距离感应器的厚度为D，L《D。
  6. 根据权利要求1或2任一项所述的面板平整度测试仪，其特征在于：所述支架包括竖向设置在所述测试平台两侧的支撑部和横向设置在所述测试平台上方的支架主体，所述支撑部的下端与所述第一导轨滑动连接，所述支撑部的上端连接所述支架主体。
  7. 根据权利要求6所述的面板平整度测试仪，其特征在于：所述支架主体朝向所述测试面板一侧的表面上开有长条形的容置槽，所述第二导轨设置在所述容置槽中。
  8. 根据权利要求1所述的面板平整度测试仪，其特征在于：所述距离感应器后方固设一滑动件，所述滑动件与所述第二导轨滑动连接。
  9. 根据权利要求1所述的面板平整度测试仪，其特征在于：所述距离感应器为激光距离感应器。
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