CN105758863B - Utilize the whether qualified device of bar shaped photoelectric sensor detection guard frame rail - Google Patents
Utilize the whether qualified device of bar shaped photoelectric sensor detection guard frame rail Download PDFInfo
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Abstract
本发明公开了一种利用条形光电传感器检测货架横梁是否合格的装置，包括底座、输送带、接近开关、挡块、推送气缸、测量托架、光电检测模块、平行光源、封闭壳体和压紧气缸，平行光源竖直安装在测量托架的底部，测量托架上设置有与平行光源位置相对应的透光孔，光电检测模块包括两条平行设置的条形光电传感器和传感器安装座，两条光电传感器均固定在传感器安装座的底部，两条光电传感器之间的间距与待测工件上的安装孔的直径相同。本发明的安装孔检测过程连续进行，无需终端生产过程，极大的提高了检测效率，并利用检测结果及时反馈生产阶段，有效避免生产过程中出现不合格产品的概率，提高了生产质量。
The invention discloses a device for detecting whether the beam of a shelf is qualified by using a strip photoelectric sensor, which includes a base, a conveyor belt, a proximity switch, a stopper, a push cylinder, a measuring bracket, a photoelectric detection module, a parallel light source, a closed casing and a press. Tight cylinder, the parallel light source is vertically installed at the bottom of the measurement bracket, the measurement bracket is provided with a light transmission hole corresponding to the position of the parallel light source, the photoelectric detection module includes two parallel strip photoelectric sensors and sensor mounting seats, Both photoelectric sensors are fixed on the bottom of the sensor mounting seat, and the distance between the two photoelectric sensors is the same as the diameter of the mounting hole on the workpiece to be measured. The installation hole detection process of the present invention is carried out continuously without terminal production process, which greatly improves the detection efficiency, and uses the detection results to feed back the production stage in time, effectively avoiding the probability of unqualified products in the production process and improving the production quality.
Description
技术领域technical field
本发明涉及货架横梁检测领域，更具体地说，尤其涉及一种利用条形光电传感器检测货架横梁是否合格的装置。The invention relates to the field of shelf crossbeam detection, and more specifically relates to a device for detecting whether a shelf crossbeam is qualified by using a strip-shaped photoelectric sensor.
背景技术Background technique
现代化大生产促使工业生产社会化、专业化、高度机械化和自动化，这就要求物资的供应应分发及时，迅速、准确，同时也促使仓储技术得到了迅速的发展。钢货架作为仓储设置中的一员，是现代物流中心、配送中心必不可少的组成部分。货架是仓库现代化和提高效率的重要工具，货架泛指存放货物的架子，货架是用于存放成件物品的保管设备。例如，在一般的商店里，货物往往陈列在货架上，为了改善货物的陈列，以便于装在和卸载货物，而使用了大量不同的构件，其中，货架横梁的长度是否合格，直接影响货架能够正常安装，影响货架最终质量。Modern large-scale production promotes the socialization, specialization, high mechanization and automation of industrial production, which requires that the supply of materials should be distributed in a timely, rapid and accurate manner, and also promotes the rapid development of storage technology. As a member of storage facilities, steel shelves are an indispensable part of modern logistics centers and distribution centers. Shelves are an important tool for warehouse modernization and efficiency improvement. Shelves generally refer to shelves for storing goods, and shelves are storage equipment for storing items. For example, in general stores, goods are often displayed on shelves. In order to improve the display of goods and facilitate loading and unloading of goods, a large number of different components are used. Among them, whether the length of the shelf beam is qualified or not directly affects the ability of the shelf. Normal installation will affect the final quality of the shelf.
货架横梁通常为长度一定的钣金件，其两端分别开有一对安装孔，货架横梁的长度要求非常高，同时安装孔必须设置在指定的位置；通常货架横梁在生产的过程中需要经过冲压成型、冲孔、切断三个工序，而对货架横梁的检测需要在所有工艺完成后再进行测量；由于长度及安装孔位置检测是所有工艺完成后进行的，因此，若其中某一工序出现故障，导致货架横梁出现不合格，则无法及时反馈到生产工序，后果是紧随着不合格品的一系列不合格产品。The shelf beam is usually a sheet metal part with a certain length, and a pair of mounting holes are opened at both ends. The length of the shelf beam is very high, and the mounting holes must be set at the specified position; usually the shelf beam needs to be stamped during the production process. Forming, punching, and cutting are three processes, and the inspection of the shelf beam needs to be measured after all processes are completed; since the length and installation hole position detection is carried out after all processes are completed, if one of the processes fails , resulting in unqualified shelf beams, it cannot be fed back to the production process in time, and the consequence is a series of unqualified products following the unqualified products.
在对货架横梁的检测过程中，常见方法是人工检测货架横梁的长度和安装孔的位置，检测过程繁琐，检测精度高，消耗的人力较大，通常仅采用人工抽查的方式进行检测。而若是采用图像采集的方法，先对标准件的安装孔位置进行拍摄，得到标准图像，再对待测件进行拍摄，将得到的图片与标准图像进行图像处理，通过对比得出待测件是否合格的结论；这种测量方式虽然摆脱了传统人工测量的局限性，但是工业相机的成本较高，还需要计算机进行图像处理，这样势必会延长检测耗时，不利于降低设备成本和加快检测的进行。In the detection process of shelf beams, the common method is to manually check the length of the shelf beams and the position of the installation holes. The detection process is cumbersome, the detection accuracy is high, and the manpower consumption is relatively large. Usually, only manual spot checks are used for detection. If the method of image acquisition is adopted, the position of the mounting hole of the standard part is first photographed to obtain a standard image, and then the test part is photographed, and the obtained picture is image-processed with the standard image, and whether the test part is qualified is obtained by comparison Conclusion; Although this measurement method gets rid of the limitations of traditional manual measurement, the cost of industrial cameras is relatively high, and a computer is required for image processing, which will inevitably prolong the detection time, which is not conducive to reducing equipment costs and speeding up detection. .
发明内容Contents of the invention
本发明的目的在于针对上述现有技术的不足，提供一种测量方便、测量结果的准确性高、成本低廉的利用条形光电传感器检测货架横梁是否合格的装置。The object of the present invention is to address the above-mentioned deficiencies in the prior art, and provide a device for detecting whether the beam of a shelf is qualified by using a strip photoelectric sensor, which is convenient for measurement, high in accuracy of measurement results, and low in cost.
本发明的技术方案是这样实现的：利用条形光电传感器检测货架横梁是否合格的装置，包括底座、输送带、接近开关、挡块、推送气缸、测量托架、光电检测模块、平行光源、封闭壳体和压紧气缸，封闭壳体固定在底座上，所述输送带、接近开关、挡块、测量托架、光电检测模块、平行光源和压紧气缸均设置在封闭壳体内部；所述输送带设置在底座上，所述底座上沿输送带出料口方向依次设置接近开关和挡块，接近开关内嵌在底座上，挡块固定在底座上方；所述输送带的一侧设置有推送气缸，另一侧设置有测量托架，接近开关触发后控制推送气缸运动，推送气缸将输送带上的待测件推送到测量托架上；所述压紧气缸设置在所述测量托架靠近输送带进料口的一端，压紧气缸用于将待测工件向测量托架另一端压紧；所述测量托架通过两根转动轴连接底座，所述底座上还设有翻转气缸，翻转气缸的活塞杆端部与测量托架的底部铰接，翻转气缸运动时带动所述测量托架旋转下料；The technical solution of the present invention is realized in this way: the device for detecting whether the beam of the shelf is qualified by using a strip photoelectric sensor includes a base, a conveyor belt, a proximity switch, a stopper, a push cylinder, a measuring bracket, a photoelectric detection module, a parallel light source, a closed The housing and the pressing cylinder, the closed housing is fixed on the base, the conveyor belt, the proximity switch, the block, the measuring bracket, the photoelectric detection module, the parallel light source and the pressing cylinder are all arranged inside the closed housing; The conveyor belt is set on the base, and the base is provided with a proximity switch and a stopper in sequence along the direction of the conveyor belt outlet, the proximity switch is embedded in the base, and the stopper is fixed above the base; one side of the conveyor belt is provided with The pushing cylinder is provided with a measuring bracket on the other side. After the proximity switch is triggered, the movement of the pushing cylinder is controlled, and the pushing cylinder pushes the piece to be measured on the conveyor belt to the measuring bracket; the pressing cylinder is set on the measuring bracket At one end close to the feeding port of the conveyor belt, the pressing cylinder is used to press the workpiece to be measured to the other end of the measuring bracket; the measuring bracket is connected to the base through two rotating shafts, and the base is also equipped with a turning cylinder. The end of the piston rod of the overturning cylinder is hinged to the bottom of the measuring bracket, and when the overturning cylinder moves, the measuring bracket is driven to rotate and unload;
所述平行光源竖直安装在测量托架的底部，测量托架上设置有与所述平行光源位置相对应的透光孔，所述光电检测模块包括两条平行设置的条形光电传感器和传感器安装座，两条光电传感器均固定在传感器安装座的底部，两条光电传感器垂直于输送带运动方向且两条光电传感器之间的间距与待测工件上的安装孔的直径相同。The parallel light source is vertically installed on the bottom of the measurement bracket, and the measurement bracket is provided with a light transmission hole corresponding to the position of the parallel light source. The photoelectric detection module includes two parallel strip photoelectric sensors and a sensor Mounting seat, two photoelectric sensors are fixed on the bottom of the sensor mounting seat, the two photoelectric sensors are perpendicular to the moving direction of the conveyor belt and the distance between the two photoelectric sensors is the same as the diameter of the mounting hole on the workpiece to be measured.
进一步的，所述输送带的进料口处设有左右对称的两块限位挡板。Further, two symmetrical limit baffles are arranged at the feed inlet of the conveyor belt.
进一步的，所述底座上还设置有龙门架，所述光电检测模块安装在所述龙门架上。Further, a gantry frame is also arranged on the base, and the photoelectric detection module is installed on the gantry frame.
进一步的，所述光电检测模块设有两个且其中一个光电检测模块固定在测量托架末端的龙门架上，另一个光电检测模块通过丝杠驱动机构连接龙门架，所述丝杠驱动机构包括滚珠丝杠、丝杠螺母、联轴器和定位电机，滚珠丝杠的一端通过联轴器连接定位电机，丝杠螺母连接套装在滚珠丝杠上，另一个光电检测模块固定在丝杠螺母上，所述定位电机驱动滚珠丝杠转动时带动与丝杠螺母连接的光电检测模块在测量托架上方沿输送带方向直线运动；所述定位电机下方的透光孔为条形槽孔。Further, the photoelectric detection module is provided with two and one of the photoelectric detection modules is fixed on the gantry frame at the end of the measurement bracket, and the other photoelectric detection module is connected to the gantry frame through a screw drive mechanism, and the lead screw drive mechanism includes Ball screw, screw nut, coupling and positioning motor, one end of the ball screw is connected to the positioning motor through a coupling, the screw nut is connected to the ball screw, and the other photoelectric detection module is fixed on the screw nut , when the positioning motor drives the ball screw to rotate, it drives the photoelectric detection module connected to the screw nut to move linearly above the measuring bracket along the direction of the conveyor belt; the light-transmitting hole below the positioning motor is a strip-shaped slot hole.
进一步的，所述推送气缸设置在输送带的中部，推送气缸的方向垂直于输送带的方向。Further, the push cylinder is arranged in the middle of the conveyor belt, and the direction of the push cylinder is perpendicular to the direction of the conveyor belt.
进一步的，所述测量托架靠近输送带的一侧设置有斜坡面。Further, the side of the measuring bracket close to the conveyor belt is provided with a slope surface.
进一步的，所述测量托架上设置有L型挡边，L型挡边的两条挡边分别平行和垂直于输送带的传输方向，其中一条挡边用于推送气缸运动时待测工件的压紧定位，另一条挡边用于压紧气缸运动时货架横梁的压紧定位。Further, the measuring bracket is provided with L-shaped ribs, the two ribs of the L-shaped ribs are respectively parallel and perpendicular to the conveying direction of the conveyor belt, and one of the ribs is used to push the movement of the workpiece to be measured when the cylinder moves. Pressing and positioning, the other rib is used for pressing and positioning the shelf beam when the pressing cylinder moves.
本实用新型的技术构思如下：待测工件在前置切断工序中会由一条整体的长带状钣金件切断成一根一根的待测工件，在待测工件完成切断工序之后，切断后的待测工件依旧会被未切断的长条状钣金件推动向前运动，并由前置切断工序的出料口进入输送带前端的进料口处，由两块限位挡板限制待测工件的运动方向不会发生偏移，待测工件经过两块限位挡板进入检测装置；待测工件进入输送带后会被输送带带动加速运动，输送带设置的运动速度是前置切断工序中出料口处待测工件速度的1.5-2倍，待测工件在输送带的加速带动下迅速进入检测装置中，经过接近开关并抵达挡块位置，被挡块挡住无法继续运动，接近开关接收到待测工件经过的信号，并将该信号传输给控制器，控制器控制推送气缸开始运动，推送气缸将待测工件从输送带推送至测量托架上并被测量托架的L型挡边的一条挡边挡住，此时压紧气缸气缸运动，将待测工件向测量托架的L性挡边的另一条挡边方向压紧，当压紧气缸和推送气缸均完成压紧操作时，待测工件处于测量位置。The technical concept of the utility model is as follows: the workpiece to be measured will be cut off by an integral long strip-shaped sheet metal into individual workpieces to be measured in the pre-cutting process. After the workpiece to be measured completes the cutting process, the cut The workpiece to be tested will still be pushed forward by the uncut long sheet metal parts, and will enter the feeding port at the front end of the conveyor belt from the outlet of the pre-cutting process, and the workpiece to be tested will be restricted by two limit baffles. The movement direction of the workpiece will not shift, the workpiece to be measured enters the detection device through two limit baffles; the workpiece to be measured will be driven by the conveyor belt to accelerate after entering the conveyor belt, and the movement speed set by the conveyor belt is the pre-cutting process. The speed of the workpiece to be tested at the middle outlet is 1.5-2 times. The workpiece to be tested quickly enters the detection device under the acceleration of the conveyor belt, passes through the proximity switch and reaches the position of the stopper. It is blocked by the stopper and cannot continue to move. The proximity switch Receive the signal that the workpiece to be measured passes, and transmit the signal to the controller, the controller controls the push cylinder to start moving, and the push cylinder pushes the workpiece to be measured from the conveyor belt to the measuring bracket and the L-shaped stop of the measured bracket One of the ribs on the side is blocked, and the cylinder of the compression cylinder moves at this time to compress the workpiece to be measured to the other side of the L-shaped rib of the measuring bracket. When both the compression cylinder and the push cylinder have completed the compression operation , the workpiece to be measured is at the measuring position.
待测工件位于测量位置时，平行光源射出的平行光线经安装孔射出后射出与安装孔直径一致的圆形光束，条形光电传感器用于检测上述圆形光束；由于两个条形光电传感器并未设置在平行光线的传输路径上，故正常情况下光电传感器无法接受到光信号；若光电传感器接收到光信号，则表示安装孔的位置出现偏移，即待测工件不合格；若条形光电传感器一直接收不到光信号，则表示待测工件合格。When the workpiece to be measured is at the measuring position, the parallel light emitted by the parallel light source passes through the installation hole and emits a circular beam consistent with the diameter of the installation hole. The strip photoelectric sensor is used to detect the above circular beam; since the two strip photoelectric sensors are parallel It is not set on the transmission path of parallel light, so the photoelectric sensor cannot receive the light signal under normal circumstances; if the photoelectric sensor receives the light signal, it means that the position of the mounting hole is offset, that is, the workpiece to be tested is unqualified; If the photoelectric sensor fails to receive the light signal all the time, it means that the workpiece to be tested is qualified.
本发明的有益效果在于：The beneficial effects of the present invention are:
1、本发明结构简单紧凑，生产成本低，安装孔检测过程连续进行，无需终端生产过程，极大的提高了检测效率，并利用检测结果及时反馈生产阶段，有效避免生产过程中出现不合格产品的概率，提高了生产质量。1. The present invention has simple and compact structure, low production cost, and the installation hole detection process is carried out continuously without terminal production process, which greatly improves the detection efficiency, and uses the detection results to feed back the production stage in time, effectively avoiding unqualified products in the production process The probability of improving the production quality.
2、本发明利用利用条形光电传感器检测从安装孔出来的平行光线来判断货架横梁的长度是否合格；因为安装孔的位置相对于货架横梁是固定的，货架横梁长度合格时平行光源发出的平行光经安装孔后必定沿着指定的路线前进；本发明在平行光经过的路线不设置光电传感器，而将光电传感器设置在平行光必经路线的左右两侧，若安装孔位置合格，即货架横梁长度合格，则光电传感器无法接收到光电信号；若安装孔位置不合格，则光电传感器接收到光电信号并发出产品不合格警报；利用传感器进行检测极大的降低了设备的生产成本和使用成本，且检测过程方便，检测精度高。2. The present invention judges whether the length of the shelf beam is qualified by using a strip photoelectric sensor to detect the parallel rays coming out from the installation hole; because the position of the installation hole is fixed relative to the shelf beam, the parallel light emitted by the parallel light source when the length of the shelf beam is qualified. After the light passes through the installation hole, it must advance along the designated route; the present invention does not install a photoelectric sensor on the route where the parallel light passes, but arranges the photoelectric sensor on the left and right sides of the route that the parallel light must pass through. If the position of the installation hole is qualified, that is, the shelf If the length of the beam is qualified, the photoelectric sensor cannot receive the photoelectric signal; if the position of the installation hole is unqualified, the photoelectric sensor will receive the photoelectric signal and issue an alarm for product failure; using the sensor to detect greatly reduces the production cost and use cost of the equipment , and the detection process is convenient and the detection accuracy is high.
3、本发明自动上料、自动检测、自动下料，整个检测过程无需人工处理，避免了人力检测导致的测量误差，整个过程自动化程度高，极大提高了检测效率和检测质量；其中一个工业相机的位置可调整，能够满足不同尺寸的待测工件的检测。3. The present invention has automatic feeding, automatic detection, and automatic unloading. The entire detection process does not require manual processing, avoiding measurement errors caused by manual detection, and the entire process is highly automated, which greatly improves detection efficiency and detection quality; one of the industrial The position of the camera can be adjusted to meet the detection of different sizes of workpieces to be measured.
4、本发明通过丝杠驱动机构调整一组光电检测模块的位置，能够满足不同尺寸货架横梁的检测，提高了检测设备的适用性。4. The present invention adjusts the position of a group of photoelectric detection modules through the screw drive mechanism, which can meet the detection of shelf beams of different sizes, and improves the applicability of the detection equipment.
5、本发明采用封闭壳体将整个测量装置与外界隔绝，提供了封闭的测量环境，不仅隔绝了光线，避免了外界光线的干扰对测量结果的影响，还能够防止外界环境对检测装置的污染，提高了设备的使用寿命。5. The present invention uses a closed casing to isolate the entire measurement device from the outside world, providing a closed measurement environment, which not only isolates light, avoids the influence of external light interference on the measurement results, but also prevents the external environment from polluting the detection device , improve the service life of the equipment.
附图说明Description of drawings
下面结合附图中的实施例对本发明作进一步的详细说明，但并不构成对本发明的任何限制。The present invention will be described in further detail below in conjunction with the embodiments in the accompanying drawings, but this does not constitute any limitation to the present invention.
图1是本发明利用条形光电传感器检测货架横梁是否合格的装置的立体图。Fig. 1 is a perspective view of a device for detecting whether a beam of a shelf is qualified by using a strip photoelectric sensor according to the present invention.
图2是本发明去除封闭壳体后的结构示意图。Fig. 2 is a schematic diagram of the structure of the present invention after removing the sealing case.
图3是本发明待测工件的结构示意图。Fig. 3 is a schematic structural view of the workpiece to be tested in the present invention.
图4是本发明去除封闭壳体后的主视图。Fig. 4 is a front view of the present invention after removing the closing casing.
图5是本发明去除壳体后的仰视图。Fig. 5 is a bottom view of the present invention with the casing removed.
图中，1-底座、2-待测工件、3-输送带、4-推送气缸、5-测量托架、6-光电检测模块、7-丝杠螺母、8-压紧气缸、9-接近开关、10-挡块、11-龙门架、12-定位电机、13-滚珠丝杠、14-联轴器、15-条形光电传感器、16-限位挡板、17-L型挡边、18-平行光源、19-传感器安装座、20-翻转气缸、21-封闭壳体。In the figure, 1-base, 2-workpiece to be tested, 3-conveyor belt, 4-push cylinder, 5-measurement bracket, 6-photoelectric detection module, 7-screw nut, 8-compression cylinder, 9-approach Switch, 10-block, 11-gantry, 12-positioning motor, 13-ball screw, 14-coupling, 15-strip photoelectric sensor, 16-limit baffle, 17-L-shaped rib, 18-parallel light source, 19-sensor mount, 20-overturn cylinder, 21-closed housing.
具体实施方式Detailed ways
下面结合附图对本发明进行进一步的说明：Below in conjunction with accompanying drawing, the present invention is further described:
参阅图1～5所示，本发明的利用条形光电传感器15检测货架横梁是否合格的装置包括底座1、输送带3、接近开关9、挡块10、推送气缸4、测量托架5、光电检测模块6、平行光源18、封闭壳体21和压紧气缸8，封闭壳体21固定在底座1上，所述输送带3、接近开关9、挡块10、测量托架5、光电检测模块6、平行光源18和压紧气缸8均设置在封闭壳体21内部；所述输送带3设置在底座1上，所述底座1上沿输送带3出料口方向依次设置接近开关9和挡块10，接近开关9内嵌在底座1上，挡块10固定在底座1上方；所述输送带3的一侧设置有推送气缸4，另一侧设置有测量托架5，接近开关9触发后控制推送气缸4运动，推送气缸4将输送带3上的待测件推送到测量托架5上；所述压紧气缸8设置在所述测量托架5靠近输送带3进料口的一端，压紧气缸8用于将待测工件2向测量托架5另一端压紧；所述测量托架5通过两根转动轴连接底座1，所述底座1上还设有翻转气缸20，翻转气缸20的活塞杆端部与测量托架5的底部铰接，翻转气缸20运动时带动所述测量托架5旋转下料；所述平行光源18竖直安装在测量托架5的底部，测量托架5上设置有与所述平行光源18位置相对应的透光孔，所述光电检测模块6包括两条平行设置的条形光电传感器15和传感器安装座19，两条光电传感器均固定在传感器安装座19的底部，两条光电传感器垂直于输送带3运动方向且两条光电传感器之间的间距与待测工件2上的安装孔的直径相同。Referring to Figs. 1 to 5, the device of the present invention that utilizes a strip photoelectric sensor 15 to detect whether the beam of a shelf is qualified includes a base 1, a conveyor belt 3, a proximity switch 9, a stopper 10, a push cylinder 4, a measuring bracket 5, a photoelectric Detection module 6, parallel light source 18, closed casing 21 and compression cylinder 8, closed casing 21 is fixed on the base 1, the conveyor belt 3, proximity switch 9, block 10, measuring bracket 5, photoelectric detection module 6. The parallel light source 18 and the compression cylinder 8 are both arranged inside the closed casing 21; the conveyor belt 3 is arranged on the base 1, and the proximity switch 9 and the stopper are sequentially arranged on the base 1 along the direction of the outlet of the conveyor belt 3 block 10, the proximity switch 9 is embedded on the base 1, and the block 10 is fixed above the base 1; one side of the conveyor belt 3 is provided with a push cylinder 4, and the other side is provided with a measuring bracket 5, and the proximity switch 9 is triggered Finally, the movement of the pushing cylinder 4 is controlled, and the pushing cylinder 4 pushes the piece to be tested on the conveyor belt 3 onto the measuring bracket 5; , the compression cylinder 8 is used to compress the workpiece 2 to be measured to the other end of the measurement bracket 5; the measurement bracket 5 is connected to the base 1 through two rotating shafts, and the base 1 is also provided with a turning cylinder 20, which can be turned over The piston rod end of the cylinder 20 is hinged with the bottom of the measuring bracket 5, and the measuring bracket 5 is driven to rotate and blank when the turning cylinder 20 moves; the parallel light source 18 is vertically installed on the bottom of the measuring bracket 5, and the measuring bracket The frame 5 is provided with a light transmission hole corresponding to the position of the parallel light source 18, and the photoelectric detection module 6 includes two strip photoelectric sensors 15 and sensor mounts 19 arranged in parallel, and the two photoelectric sensors are fixed on the sensor At the bottom of the mounting seat 19, two photoelectric sensors are perpendicular to the moving direction of the conveyor belt 3 and the distance between the two photoelectric sensors is the same as the diameter of the mounting hole on the workpiece 2 to be measured.
所述输送带3的进料口处设有左右对称的两块限位挡板16。限位挡板16之间的间距略大于输送带3的宽度，保证待测工件2能够顺利经过限位挡板16之间的间隙进入到输送带3中，同时也防止待测工件2传输的位置出现偏移。Two symmetrical limit baffles 16 are arranged at the feed inlet of the conveyor belt 3 . The distance between the limit baffles 16 is slightly greater than the width of the conveyor belt 3, so as to ensure that the workpiece 2 to be measured can smoothly pass through the gap between the limit baffles 16 and enter the conveyor belt 3, and also prevent the workpiece 2 from being transmitted. The position is shifted.
所述底座1上还设置有龙门架11，所述光电检测模块6安装在所述龙门架11上。A gantry 11 is also arranged on the base 1 , and the photoelectric detection module 6 is installed on the gantry 11 .
所述光电检测模块6设有两个且其中一个光电检测模块6固定在测量托架5末端的龙门架11上，另一个光电检测模块6通过丝杠驱动机构连接龙门架11，所述丝杠驱动机构包括滚珠丝杠13、丝杠螺母7、联轴器14和定位电机12，滚珠丝杠13的一端通过联轴器14连接定位电机12，丝杠螺母7连接套装在滚珠丝杠13上，另一个光电检测模块6固定在丝杠螺母7上，所述定位电机12驱动滚珠丝杠13转动时带动与丝杠螺母7连接的光电检测模块6在测量托架5上方沿输送带3方向直线运动；所述定位电机12下方的透光孔为条形槽孔。The photoelectric detection module 6 is provided with two and one of the photoelectric detection modules 6 is fixed on the gantry 11 at the end of the measuring bracket 5, and the other photoelectric detection module 6 is connected to the gantry 11 by a leading screw drive mechanism, and the leading screw The driving mechanism includes a ball screw 13, a screw nut 7, a coupling 14 and a positioning motor 12, one end of the ball screw 13 is connected to the positioning motor 12 through the coupling 14, and the screw nut 7 is connected and set on the ball screw 13 , another photoelectric detection module 6 is fixed on the lead screw nut 7, and when the positioning motor 12 drives the ball screw 13 to rotate, it drives the photoelectric detection module 6 connected to the lead screw nut 7 to move along the direction of the conveyor belt 3 above the measurement bracket 5 Linear movement; the light-transmitting hole below the positioning motor 12 is a strip-shaped slot.
所述推送气缸4设置在输送带3的中部，推送气缸4的方向垂直于输送带3的方向。The push cylinder 4 is arranged in the middle of the conveyor belt 3 , and the direction of the push cylinder 4 is perpendicular to the direction of the conveyor belt 3 .
所述测量托架5靠近输送带3的一侧设置有斜坡面。测量托架5在翻转驱动模块的作用下绕转动轴旋转时若无该斜坡面的作用必然会导致测量托架5的边缘与底座1之间发生触碰，导致转动不能正常进行；同时斜坡面能够方便待测工件从底座1进入测量托架5中，防止待测工件在底座1和测量托架5的连接处卡住。A slope surface is provided on the side of the measuring bracket 5 close to the conveyor belt 3 . When the measurement bracket 5 rotates around the rotation axis under the action of the overturning drive module, if there is no effect of the slope surface, it will inevitably cause contact between the edge of the measurement bracket 5 and the base 1, causing the rotation to not proceed normally; It is convenient for the workpiece to be measured to enter the measuring bracket 5 from the base 1 , and to prevent the workpiece to be measured from being stuck at the joint between the base 1 and the measuring bracket 5 .
所述测量托架5上设置有L型挡边17，L型挡边17的两条挡边分别平行和垂直于输送带3的传输方向，其中一条挡边用于推送气缸4运动时待测工件2的压紧定位，另一条挡边用于压紧气缸8运动时货架横梁的压紧定位。The measuring bracket 5 is provided with an L-shaped rib 17, and the two ribs of the L-shaped rib 17 are respectively parallel and perpendicular to the transmission direction of the conveyor belt 3, and one of the ribs is used to push the cylinder 4 to be measured when it moves. For the compression positioning of the workpiece 2, the other rib is used for the compression positioning of the shelf beam when the compression cylinder 8 moves.
以上所举实施例为本发明的较佳实施方式，仅用来方便说明本发明，并非对本发明作任何形式上的限制，任何所属技术领域中具有通常知识者，若在不脱离本发明所提技术特征的范围内，利用本发明所揭示技术内容所作出局部更动或修饰的等效实施例，并且未脱离本发明的技术特征内容，均仍属于本发明技术特征的范围内。The above examples are preferred implementations of the present invention, and are only used to illustrate the present invention conveniently, and are not intended to limit the present invention in any form. Anyone with ordinary knowledge in the technical field, if they do not depart from the present invention, Within the scope of the technical features, the equivalent embodiments that utilize the technical content disclosed in the present invention to make partial changes or modifications without departing from the technical features of the present invention still belong to the scope of the technical features of the present invention.
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| CN104457564A (en) * | 2013-12-31 | 2015-03-25 | 苏州矩阵光电有限公司 | High-precision target material measurement system and method |
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