WO2021213090A1 - 板材在线检测设备 - Google Patents

板材在线检测设备 Download PDF

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Publication number
WO2021213090A1
WO2021213090A1 PCT/CN2021/081408 CN2021081408W WO2021213090A1 WO 2021213090 A1 WO2021213090 A1 WO 2021213090A1 CN 2021081408 W CN2021081408 W CN 2021081408W WO 2021213090 A1 WO2021213090 A1 WO 2021213090A1
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WO
WIPO (PCT)
Prior art keywords
board
detection
online
transportation platform
equipment according
Prior art date
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PCT/CN2021/081408
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English (en)
French (fr)
Inventor
汤恒亮
刘武
宋文雄
黄付银
陈兴华
Original Assignee
广东鑫光智能系统有限公司
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Application filed by 广东鑫光智能系统有限公司 filed Critical 广东鑫光智能系统有限公司
Publication of WO2021213090A1 publication Critical patent/WO2021213090A1/zh

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/22—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising a series of co-operating units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30—Belts or like endless load-carriers
    • B65G15/32—Belts or like endless load-carriers made of rubber or plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
    • B65G15/64—Arrangements for supporting or guiding belts, e.g. by fluid jets for automatically maintaining the position of the belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/22—Arrangements or mountings of driving motors
    • 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
    • G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
    • G01B11/12—Measuring arrangements characterised by the use of optical techniques for measuring diameters internal diameters
    • 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
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures

Definitions

  • the invention belongs to the technical field of automatic detection of plates, and in particular relates to online detection equipment for plates
  • the quality inspection of plates on the market is mainly carried out by manual sampling, which has low efficiency, high cost and high missed inspection rate, which seriously hinders the improvement of product quality and restricts the production line capacity.
  • the present invention provides online plate detection equipment.
  • the board online detection equipment includes a board transportation platform, and the board transportation platform is provided with a visual recognition device for acquiring and transmitting the image information of the board on the board transportation platform.
  • a front-end identification device for identifying the type and specification information of the plates is also provided on the feeding end of the plate transportation platform.
  • the visual recognition device includes a detection camera for capturing images of the board on the board transportation platform, a walking mechanism for driving the detection camera to move up and down relative to the board transportation platform, and the walking The mechanism can adjust the distance between the detection camera and the plate to be detected according to the plate model and specification information recognized by the front-end recognition device.
  • the visual recognition device further includes a digital light source for lighting the surface of the plate passing by on the plate transportation platform, and the digital light source can be based on the plate type and specification recognized by the front-end recognition device Information to adjust the light source parameters.
  • the visual recognition device includes a detection rack provided on the board transportation platform, and a detection entrance through which the board on the board transportation platform can pass is opened along the transportation direction under the detection rack and The detection exit, and the inside of the detection frame is located between the detection entrance and the detection exit to form a detection area, and the digital light source and the detection camera are both located above the detection area.
  • the walking mechanism includes a fixing frame connected to the detection frame, a vertical sliding rail arranged on the fixing frame and above the detection area, and a sliding rail arranged on the vertical sliding rail. And a driving mechanism for driving the sliding base to move along the vertical sliding rail, and the detection camera is arranged on the sliding base.
  • the board transportation platform is provided with a position sensor for detecting the in-position of the board, both in front of the detection entrance and after the detection exit.
  • the board transportation platform is a synchronous belt transportation platform.
  • the plate transportation platform includes multiple sections of synchronous belts arranged in parallel, and a drive assembly for driving multiple sections of the synchronous belts to move synchronously, and each section of the synchronous belts is equipped with Guide structure to prevent the timing belt from shifting to both sides.
  • a light-shielding curtain is also provided in front of the detection entrance and the detection exit.
  • the present invention provides board online inspection equipment, which drives the board transportation through the board transportation platform, and passes through the visual recognition device during the transportation process.
  • the visual recognition device obtains the image information of the board and transmits it to the external device. Analyze the image, and compare the parsed data with the preset standard manufacturing data, so as to automatically determine whether the inspected plate meets the requirements, so as to realize the automatic online inspection of the plate.
  • the detection process does not require manual participation, which greatly improves the detection efficiency, and can realize automatic rapid detection of each plate, which is conducive to improving the quality of the product.
  • the board on-line detection equipment of the present invention adds a walking mechanism, which can be used to drive the movement of the detection camera to adjust the distance between the camera and the detection surface of the board, so that the position of the camera can be adjusted according to the plates of different thicknesses to make imaging Higher quality and wider availability.
  • the on-line inspection equipment for the plate of the present invention uses a digital light source to illuminate the surface of the plate to be inspected to facilitate the imaging of the inspection camera.
  • the digital light source can pre-adjust the parameters of the light source according to the type and color of the plate to automatically adapt to different colors. Testing requirements for plates.
  • Fig. 1 is a structural schematic diagram 1 of the online inspection equipment for plates of the present invention
  • Figure 2 is the second structural schematic diagram of the online detection equipment for plates of the present invention.
  • Figure 3 is an internal schematic diagram of the visual recognition device
  • Figure 4 is a schematic diagram of the board transportation platform.
  • the board online detection equipment includes a board transportation platform 1.
  • the board transportation platform 1 is provided with a visual recognition device for acquiring and transmitting the image information of the board on the board transportation platform 1 2.
  • the present invention provides board online detection equipment, which drives board transportation through a board transportation platform, and passes through a visual recognition device during the transportation process.
  • the visual recognition device obtains the image information of the board and transmits it to peripherals. And compare the parsed data with the preset standard manufacturing data, so as to automatically determine whether the inspected plate meets the requirements, so as to realize the automatic online inspection of the plate.
  • the detection process does not require manual participation, which greatly improves the detection efficiency, and can realize automatic rapid detection of each plate, which is conducive to improving the quality of the product.
  • This equipment has perfect functions.
  • the detection accuracy of each feature size of the board is better than ⁇ 0.5mm, which fully meets the detection accuracy requirements of the home industry for the board. Good compatibility.
  • This equipment can normally detect common colors and patterns.
  • the detection range of the length of the sheet is 250-2500mm, the detection range of the width is 100-800mm, and the detection range of the thickness is 18-36mm, which can meet the detection requirements of most of the customers.
  • the peripheral device determines the allowable error range of the set comparison standard through the peripheral device, so as to increase or decrease the requirements of the parameters according to the requirements of different products, so that the detection of the products is more flexible.
  • the peripherals only need to use a computer, so that the equipment can be used as a stand-alone machine, and can also be used online with a fully automatic plate intelligent sorting system. Online use only requires a small amount of hardware configuration, flexible use and low configuration cost. Makes the hardware and software of this equipment expandable.
  • a front end identification device 3 for identifying the type and specification information of the plate is also provided on the feed end of the plate transportation platform 1.
  • the front-end identification device 3 reads out the type information of the board to be detected, so that the detection equipment can call different detection requirements parameters according to different types of boards.
  • the front-end recognition device 3 and the visual recognition device 2 can also be used to realize automatic adaptation to the detection of various plates. The specific method is described in detail below.
  • the front-end identification device 3 is a code scanner. Generally, the identification information corresponding to the identification information will be affixed when the plate is produced, and the information on the identification can be read through the code scanner.
  • the visual recognition device 2 includes a detection camera 21 for capturing images of the board on the board transportation platform 1, a walking mechanism 22 for driving the detection camera 21 to move up and down relative to the board transportation platform 1, and the walking
  • the mechanism 22 can adjust the distance between the detection camera 21 and the plate to be detected according to the type and specification information of the plate recognized by the front end recognition device 3.
  • the detection camera 21 is used to scan the plate imaging in motion. Because it generally uses a fixed focus camera, the distance between the detection surface and the camera is different for plates of different thicknesses, which ultimately leads to a decrease in the imaging quality of the camera.
  • the walking mechanism 22 can be used to drive the movement of the detection camera to adjust the distance between the camera and the plate detection surface, so that the position of the camera can be adjusted according to plates of different thicknesses, so that the image quality is higher.
  • the board automatically recognizes the corresponding thickness after passing through the front end recognition device 3, and the traveling mechanism 22 can adjust the distance of the detection camera 21 in advance.
  • the visual recognition device 2 also includes a digital light source 31 for lighting the surface of the board passing through it on the board transportation platform 1, and the digital light source 31 can be based on the type and specification information of the board recognized by the front-end recognition device 3. Adjust the light source parameters. It can complete high-resolution imaging for most common plates.
  • the digital light source is used to illuminate the surface of the board to be inspected to facilitate the imaging of the inspection camera.
  • the digital light source can pre-adjust the parameters of the light source according to the type and color of the board to automatically adapt to the detection requirements of different color boards.
  • the board automatically recognizes the corresponding model after passing through the front-end recognition device 3, and pre-adjusts parameters such as the intensity of the light source and the color of the light to adapt to different boards for detection.
  • the visual recognition device 2 includes a detection frame 41 provided on the plate transportation platform 1, and a detection entrance and detection entrance for the plate on the plate transportation platform 1 are opened along the transportation direction under the detection frame 41.
  • the detection frame 41 is located between the detection entrance and the detection exit to form a detection area 401, and the digital light source 31 and the detection camera 21 are both located above the detection area 401.
  • the detection frame 41 forms a mounting frame and plays a role of blocking light. Therefore, the internal detection camera and the digital light source can better image, thereby improving the quality of the image.
  • the structure is simple.
  • the overall structure is welded with common materials and has high reliability.
  • the walking mechanism 22 includes a fixing frame 221 connected to the detection frame 41, a vertical sliding rail 222 arranged on the fixing frame 221 and above the detection area 401, and a vertical sliding rail 222 arranged in the vertical sliding direction.
  • a sliding seat on the rail 222 and a driving mechanism for driving the sliding seat to move along the vertical sliding rail 222, the detection camera 21 is arranged on the sliding seat.
  • a simple structure is used to realize automatic adjustment of the distance between the detection camera and the plate to be measured.
  • the driving mechanism can adopt a stepping motor to make the adjustment of the movement position more accurate.
  • the plate transportation platform 1 is provided with a position sensor for detecting the in-position of the plate, both in front of the detection entrance and after the detection exit.
  • a position sensor for detecting the in-position of the plate, both in front of the detection entrance and after the detection exit.
  • the camera starts to work, and the camera completes imaging when the plate passes through the detection area.
  • the plate triggers the position sensor after the detection exit, the camera stops and the digital light source ends. It is beneficial to improve the efficiency of detection, and automatically recognize the position of the plate.
  • the board transportation platform 1 is a synchronous belt transportation platform.
  • the plate transportation platform 1 includes multiple sections of synchronous belts 11 arranged in parallel, and a drive assembly 12 for driving the synchronous movement of multiple sections of the synchronous belts 11, and each section of the synchronous belt 11 is provided with a synchronous belt for preventing synchronization.
  • a guide structure 13 offset to both sides.
  • the smooth operation of the drive assembly 12 can adopt a servo motor, which can realize precise control of power parameters; and the conveying accuracy is high.
  • the flatness of the belt support surface is precisely adjusted, and the belt surface has a small runout; the design has a guiding structure, and the belt deviation is small; in addition, the operation and maintenance are simple.
  • This functional module is fully automatic, each component has a long life, rotating parts are maintenance-free, and daily maintenance only needs to clean up the dust regularly; compared with the traditional leather conveyor belt pallet, the sheet metal structure is generally used, and the supporting surface accuracy is poor; The traditional belt line generally has no guiding structure, and the belt runs irregularly to both sides during the running process.
  • a back-end sensor 5 can be arranged at the end of the board transportation line, so that after a single board has been detected and left the board transportation line, the next board to be tested enters the board transportation line from the feeding end.
  • the plate is waiting to enter the equipment on the production line or transportation line ⁇ the plate enters from the feeding end of the plate transportation platform, and the front-end identification device triggers the code scanner, and the equipment obtains the plate information ⁇ the visual recognition device automatically completes the parameter adaptation ⁇ the plate is triggered from the transportation line
  • the sensor before the entrance is detected the camera starts to take the image ⁇ the plate is transported out of the detection exit and the sensor is triggered, the camera stops taking the image ⁇ the plate triggers the rear sensor and leaves the detection equipment.
  • the PC connected to the device starts to process image information, obtains characteristic parameters from the image information, and compares with standard characteristic parameters to judge the product quality and give the detection result.
  • the present invention provides board online detection equipment, which drives board transportation through a board transportation platform, and passes through a visual recognition device during the transportation process.
  • the visual recognition device obtains the image information of the board and transmits it to peripherals. And compare the parsed data with the preset standard manufacturing data, so as to automatically determine whether the inspected plate meets the requirements, so as to realize the automatic online inspection of the plate.
  • the detection process does not require manual participation, which greatly improves the detection efficiency, and can realize automatic rapid detection of each plate, which is conducive to improving the quality of the product.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

一种板材在线检测设备，包括板材运输平台（1），板材运输平台（1）上设有用于获取板材运输平台（1）上的板材图像信息且可将图像信息传输的视觉识别装置（2）；通过板材运输平台（1）带动板材运输，且在运输的过程中经过视觉识别装置（2），由视觉识别装置（2）得到板材的图像信息，并传输给外设，由外设进行对图像的解析，并将解析出的数据与预设的标准制造数据进行对比，从而自动判断出检测的板材是否符合要求，从而实现板材的全自动在线检测。

Description

板材在线检测设备 技术领域
本发明属于板材的自动检测技术领域，尤其涉及板材在线检测设备
 背景技术
在板材生产完成后，需要对其外形尺寸、孔径、槽的形状尺寸及定位尺寸进行检测，来测定板材是否合格。目前市面上的板材质量检测主要通过人工抽检的方式进行，其效率低、成本高且漏检率高，严重阻碍产品品质的提升和制约产线产能。
 技术问题
为解决现有技术中板材的检测还是采用人工抽检导致效率低、漏检率高的问题，本发明提供了板材在线检测设备。
 技术解决方案
板材在线检测设备，包括板材运输平台，所述板材运输平台上设有用于获取板材运输平台上的板材图像信息且可将图像信息传输的视觉识别装置。
如上所述的板材在线检测设备，所述板材运输平台的进料端上还设有用于识别板材型号规格信息的前端识别装置。
如上所述的板材在线检测设备，所述视觉识别装置包括用于摄取板材运输平台上的板材图像的检测相机、用于带动所述检测相机相对板材运输平台上下运动的行走机构，且所述行走机构可根据所述前端识别装置识别的板材型号规格信息来调节检测相机与待检测板材之间的距离。
如上所述的板材在线检测设备，所述视觉识别装置还包括用于对板材运输平台上经过其处的板材表面打光的数字光源，且所述数字光源可根据前端识别装置识别的板材型号规格信息来调节光源参数。
如上所述的板材在线检测设备，所述视觉识别装置包括设于所述板材运输平台上检测架，所述检测架下方沿运输方向上开设有可供板材运输平台上板材穿过的检测入口和检测出口，且检测架内部位于检测入口和检测出口之间形成检测区，所述数字光源、检测相机均位于所述检测区上方。
如上所述的板材在线检测设备，所述行走机构包括连接在所述检测架内的固定架、设置在固定架上且位于检测区上方的竖向滑轨、设于竖向滑轨上的滑座以及驱动所述滑座沿竖向滑轨移动的驱动机构，所述检测相机设于所述滑座上。
如上所述的板材在线检测设备，所述板材运输平台上位于所述检测入口前和检测出口后均设有用于检测板材到位的位置传感器。
如上所述的板材在线检测设备，所述板材运输平台为同步带运输平台。
如上所述的板材在线检测设备，所述板材运输平台包括多段平行设置的同步带、用于驱动多段所述的同步带同步运动的驱动组件，且各段所述的同步带上均设有用于防止同步带向两侧偏移的导向结构。
如上所述的板材在线检测设备，所述检测入口前和检测出口处还设有遮光帘。
 有益效果
1、本发明提供了板材在线检测设备，通过板材运输平台带动板材运输，且在运输的过程中经过视觉识别装置，由视觉识别装置得到板材的图像信息，并传输给外设，有外设进行对图像的解析，并将解析出的数据与预设的标准制造数据进行对比，从而自动判断出该被检测的板材是否符合要求，从而实现板材的全自动在线检测。检测过程无需人工参与，大大提高检测效率，而且能够实现自动化的对每块板材进行快速检测，有利于提升产品的品质。
2、本发明板材在线检测设备，增加了行走机构，可利用行走机构带动检测相机运动来实现调整相机与板材检测面之间的距离，从而可根据不同厚度的板材来调节相机的位置，使得成像质量更高，可用性更广。
    3、本发明板材在线检测设备，采用数字光源对待检测板材的表面打光，以方便检测相机成像，而数字光源可根据板材的型号、颜色的不同，预先调整光源的参数，以自动适应不同花色板材的检测要求。
 附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明板材在线检测设备的结构示意图一；
图2为本发明板材在线检测设备的结构示意图二；
图3为视觉识别装置的内部示意图；
图4为板材运输平台的示意图。
 本发明的最佳实施方式
为了使本发明所解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明是通过以下技术方案实现的：
如图1至图4所示，板材在线检测设备，包括板材运输平台1，所述板材运输平台1上设有用于获取板材运输平台1上的板材图像信息且可将图像信息传输的视觉识别装置2。本发明提供了板材在线检测设备，通过板材运输平台带动板材运输，且在运输的过程中经过视觉识别装置，由视觉识别装置得到板材的图像信息，并传输给外设，有外设进行对图像的解析，并将解析出的数据与预设的标准制造数据进行对比，从而自动判断出该被检测的板材是否符合要求，从而实现板材的全自动在线检测。检测过程无需人工参与，大大提高检测效率，而且能够实现自动化的对每块板材进行快速检测，有利于提升产品的品质。本设备功能完善，一次走板完成板材外形及孔槽细节特征尺寸的检测，而且精度高，对板材的各个特征尺寸检测精度优于±0.5mm，完全满足家居行业对板材的检测精度要求。兼容性好，本设备可正常检测常见颜色和花色的板材，板材长度检测范围250-2500mm、宽度检测范围100-800mm、厚度检测范围18-36mm，可满足客户绝大部分板材的检测需求。
进一步地，可通过外设对设定的对比标准进行允许误差范围的判定设置，来根据不同产品的要求来提高或降低参数的要求，使得产品的检测更加灵活。而且，外设只需采用电脑即可，使得本设备可单机使用，亦可与全自动的板材智能分拣系统联机使用，联机使用仅需少量硬件配置，使用灵活、配置成本低。使得本设备的软硬件扩展性好。
又进一步地，所述板材运输平台1的进料端上还设有用于识别板材型号规格信息的前端识别装置3。通过前端识别装置3来读出待检测的板材型号信息，从而使检测设备可根据不同型号的板材来调用不同的检测要求参数。也可利用该前端识别装置3与视觉识别装置2配合实现自动化适应各种板材的检测，具体方式在下文详叙。本方案中，所述前端识别装置3为扫码器，一般板材在生产时就会贴上对应身份信息的标识，通过扫码器即可读取标识上的信息。
具体地，所述视觉识别装置2包括用于摄取板材运输平台1上的板材图像的检测相机21、用于带动所述检测相机21相对板材运输平台1上下运动的行走机构22，且所述行走机构22可根据所述前端识别装置3识别的板材型号规格信息来调节检测相机21与待检测板材之间的距离。检测相机21用于扫描运动中的板材成像，由于其一般采用定焦相机，故对于不同厚度的板材，其检测面与相机的距离有所不同，最终导致相机的成像质量下降，而本方案增加了行走机构22，可利用行走机构带动检测相机运动来实现调整相机与板材检测面之间的距离，从而可根据不同厚度的板材来调节相机的位置，使得成像质量更高。而且配合前端识别装置3，板材通过前端识别装置3后自动识别出对应的板厚，行走机构22即可预先调整好检测相机21的距离。
另外，所述视觉识别装置2还包括用于对板材运输平台1上经过其处的板材表面打光的数字光源31，且所述数字光源31可根据前端识别装置3识别的板材型号规格信息来调节光源参数。可对常见绝大部分板材完成高解析度成像。采用数字光源对待检测板材的表面打光，以方便检测相机成像，而数字光源可根据板材的型号、颜色的不同，预先调整光源的参数，以自动适应不同花色板材的检测要求。而且配合前端识别装置3，板材通过前端识别装置3后自动识别出对应的型号，预先调整光源的强弱、光照的颜色等参数，来适应不同的板材进行检测。
具体地，所述视觉识别装置2包括设于所述板材运输平台1上检测架41，所述检测架41下方沿运输方向上开设有可供板材运输平台1上板材穿过的检测入口和检测出口，且检测架41内部位于检测入口和检测出口之间形成检测区401，所述数字光源31、检测相机21均位于所述检测区401上方。检测架41形成一安装架，而且起到挡光的作用，是的内部的检测相机以及数字光源能够更好的成像，从而提升成像的质量。而且结构简单。整体结构常见材料焊接，可靠性高。
行走机构的具体结构为：所述行走机构22包括连接在所述检测架41内的固定架221、设置在固定架221上且位于检测区401上方的竖向滑轨222、设于竖向滑轨222上的滑座以及驱动所述滑座沿竖向滑轨222移动的驱动机构，所述检测相机21设于所述滑座上。利用简单的结构实现检测相机与待测板材的距离自动调整。本方案中，驱动机构可采用步进电机，使其运动位置调整更加准确。
另外，所述板材运输平台1上位于所述检测入口前和检测出口后均设有用于检测板材到位的位置传感器。当板材经过触发检测入口前的位置传感器时，相机开始工作，板材在经过检测区域的同时相机完成成像。而板材触发检测出口后的位置传感器时，相机工作停止，同时数字光源打光结束。其有利于提高检测的效率，而且自动识别出板材的位置。
又进一步地，所述板材运输平台1为同步带运输平台。而且，所述板材运输平台1包括多段平行设置的同步带11、用于驱动多段所述的同步带11同步运动的驱动组件12，且各段所述的同步带11上均设有用于防止同步带向两侧偏移的导向结构13。其运行平稳驱动组件12可采用伺服电机，可实现对动力参数的精准控制；而且输送精度高。皮带支撑面精确调整平面度，皮带面跳动小；设计有导向结构，皮带跑偏量小；另外运行维护简单。该功能模块工作过程全自动进行，各部件寿命长，转动部件免维护，日常维护只需定时清理灰尘即可；相比于传统皮运输带线托盘一般采用钣金结构，支撑面精度较差；传统皮带线一般无导向结构，皮带运行过程中会无规律的向两侧跑偏。
再进一步地，所述检测入口前和检测出口处还设有遮光帘。有利于提高检测区的成像质量，从而提升检测的准确度。
另外，还可在板材运输线的末端设置后端传感器5，以便单个板材检测完毕离开板材运输线后，对接下一待测板材从进料端进入板材运输线。
本方案工作过程：
板材在生产线或运输线上等待进入设备→板材从板材运输平台进料端进入，通过前端识别装置，触发扫码器，设备获取板材信息→视觉识别装置自动完成参数适配→板材从运输线触发检测入口前传感器，相机开始取像→板材从检测出口运出且触发后传感器，相机停止取像→板材触发后端传感器，离开检测设备。设备停止取像后，与设备连接的PC端开始处理图像信息，通过图像信息获取特征参数，并通过于与标准特征参数的比对判断产品品质，给出检测结果。
本发明提供了板材在线检测设备，通过板材运输平台带动板材运输，且在运输的过程中经过视觉识别装置，由视觉识别装置得到板材的图像信息，并传输给外设，有外设进行对图像的解析，并将解析出的数据与预设的标准制造数据进行对比，从而自动判断出该被检测的板材是否符合要求，从而实现板材的全自动在线检测。检测过程无需人工参与，大大提高检测效率，而且能够实现自动化的对每块板材进行快速检测，有利于提升产品的品质。
如上所述是结合具体内容提供的一种或多种实施方式，并不认定本发明的具体实施只局限于这些说明。凡与本发明的方法、结构等近似、雷同，或是对于本发明构思前提下做出若干技术推演，或替换都应当视为本发明的保护范围。

Claims (10)

  1. 板材在线检测设备，其特征在于，包括板材运输平台（1），所述板材运输平台（1）上设有用于获取板材运输平台（1）上的板材图像信息且可将图像信息传输的视觉识别装置（2）。
  2. 根据权利要求1所述的板材在线检测设备，其特征在于，所述板材运输平台（1）的进料端上还设有用于识别板材型号规格信息的前端识别装置（3）。
  3. 根据权利要求2所述的板材在线检测设备，其特征在于，所述视觉识别装置（2）包括用于摄取板材运输平台（1）上的板材图像的检测相机（21）、用于带动所述检测相机（21）相对板材运输平台（1）上下运动的行走机构（22），且所述行走机构（22）可根据所述前端识别装置（3）识别的板材型号规格信息来调节检测相机（21）与待检测板材之间的距离。
  4. 根据权利要求3所述的板材在线检测设备，其特征在于，所述视觉识别装置（2）还包括用于对板材运输平台（1）上经过其处的板材表面打光的数字光源（31），且所述数字光源（31）可根据前端识别装置（3）识别的板材型号规格信息来调节光源参数。
  5. 根据权利要求4所述的板材在线检测设备，其特征在于，所述视觉识别装置（2）包括设于所述板材运输平台（1）上检测架（41），所述检测架（41）下方沿运输方向上开设有可供板材运输平台（1）上板材穿过的检测入口和检测出口，且检测架（41）内部位于检测入口和检测出口之间形成检测区（401），所述数字光源（31）、检测相机（21）均位于所述检测区（401）上方。
  6. 根据权利要求5所述的板材在线检测设备，其特征在于，所述行走机构（22）包括连接在所述检测架（41）内的固定架（221）、设置在固定架（221）上且位于检测区（401）上方的竖向滑轨（222）、设于竖向滑轨（222）上的滑座以及驱动所述滑座沿竖向滑轨（222）移动的驱动机构，所述检测相机（21）设于所述滑座上。
  7. 根据权利要求5所述的板材在线检测设备，其特征在于，所述板材运输平台（1）上位于所述检测入口前和检测出口后均设有用于检测板材到位的位置传感器。
  8. 根据权利要求1所述的板材在线检测设备，其特征在于，所述板材运输平台（1）为同步带运输平台。
  9. 根据权利要求8所述的板材在线检测设备，其特征在于，所述板材运输平台（1）包括多段平行设置的同步带（11）、用于驱动多段所述的同步带（11）同步运动的驱动组件（12），且各段所述的同步带（11）上均设有用于防止同步带向两侧偏移的导向结构（13）。
  10. 根据权利要求5所述的板材在线检测设备，其特征在于，所述检测入口前和检测出口处还设有遮光帘。
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