CN212692793U - Automatic material size measuring device for conveying device - Google Patents
Automatic material size measuring device for conveying device Download PDFInfo
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- CN212692793U CN212692793U CN202021801565.7U CN202021801565U CN212692793U CN 212692793 U CN212692793 U CN 212692793U CN 202021801565 U CN202021801565 U CN 202021801565U CN 212692793 U CN212692793 U CN 212692793U
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Abstract
The utility model discloses a material size automatic measuring device for on conveyer, include: the detection switch is arranged on the sensor gantry and used for detecting whether the materials on the conveying device come or not; the distance detection unit comprises a first laser displacement sensor and a second laser displacement sensor which are arranged on the sensor gantry, is used for detecting two side edges of the material, generating first measurement displacement data and second measurement displacement data, and sends the first measurement displacement data and the second measurement displacement data to the operation control unit; the operation control unit is used for receiving the first measured displacement data and the second measured displacement data, storing and calculating; and comparing the width data calculated by the operation control unit with a preset width value, and if the width data value is within the range of the set width value, judging that the width of the material is normal. The utility model discloses a non-contact measurement mode, but the material on the automatic identification conveyer need not artificial operation, and the whole automation of all measurement processes is accomplished.
Description
Technical Field
The utility model relates to a measure and detect technical field, especially relate to a material size automatic measuring device for on conveyer.
Background
The most measurement mode to article on the conveyer of equipment at present adopts contact measurement, at first adopts the clamping device to step up the measured material before measuring, ensures that the material is in stable state, and later the system measurement steps up the distance on device to the location limit or measures the interval between two clamping devices, and this distance is the width distance of material promptly.
Problems and disadvantages of the prior art:
1) the area of the clamping device is large, so that the area of the clamping block covering the surface of the material is large when the clamping device clamps the material, the distance between two measuring points in the width direction of the material is difficult to accurately measure, and the situation that the measured data is larger than the actual width of the material under the common condition is caused.
2) The mechanical structure of the contact type measuring system is easy to deform due to stress in the measuring process, so that the precision of the measuring device is caused to be in a problem, the stability of the measuring system is influenced, and the repeated measuring precision is influenced.
3) When the size of one width direction of the materials needs to be measured, the width direction of the materials needs to be tightened firstly, and then the measurement is carried out. This mechanical clamping requires a coordinated cooperation of the machine and the electrical system, which takes up a corresponding amount of time and requires clamping after the conveyor has stopped. If the measurement is to be continued, the transfer device is stopped again. Therefore, the starting and stopping of the conveying device consume corresponding material conveying time, the material conveying efficiency is influenced, and the equipment capacity is reduced.
4) The mechanical clamping type measuring device is complex in structure and operation mechanism, needs the mechanical clamping mechanism, the electrical measuring device and the electrical control system to cooperate, is complex in structure and high in cost, and causes poor maintainability and poor popularization and application performance of the system.
5) The measuring result needs artificial record, and is time-consuming and labor-consuming, and to different specification materials, whether the size of material accords with the quality standard can't be judged to the measurement personnel high efficiency, and relevant measured data's traceability is not strong, and the record inquiry is comparatively difficult.
SUMMERY OF THE UTILITY MODEL
The prior art exists not enoughly, the utility model provides a material size automatic measuring device for on conveyer.
The utility model adopts the technical proposal that:
an automatic material size measuring device for use on a conveyor, comprising:
the detection switch is arranged on the sensor gantry and used for detecting whether the materials on the conveying device come or not;
the distance detection unit comprises a first laser displacement sensor and a second laser displacement sensor which are arranged on the sensor gantry, is used for detecting the side edge of the material to generate first measurement displacement data and second measurement displacement data, and sends the first measurement displacement data and the second measurement displacement data to the operation control unit;
the operation control unit is used for receiving the first measured displacement data and the second measured displacement data, storing and calculating; and comparing the width data calculated by the operation control unit with a preset width value, and if the width data value is within the range of the set width value, judging that the width of the material is normal.
As a further technical scheme of the utility model does, the sensor portal sets up in the conveyer top.
As a further technical solution of the present invention, the operation control unit includes an analog-to-digital converter, a PLC controller and a computer; the input end of the analog-to-digital converter is connected with the first laser displacement sensor and the second laser displacement sensor, the output end of the analog-to-digital converter is connected with the PLC, and the PLC is connected with the computer.
As a further technical scheme of the utility model do, detection switch is the photoelectricity correlation switch, and the setting is in the same straight line in the both sides of sensor portal and photoelectricity correlation switch setting.
As a further technical scheme of the utility model do, the operation control unit still includes counts the signal break-make time of detecting switch, and count time and conveyer functioning speed's product is the length of material, width data are distance between first laser displacement sensor and the second laser displacement sensor and first detection distance and the difference of second detection distance.
The utility model has the advantages that:
the utility model discloses a non-contact measurement mode need not to adopt traditional clamping positioner, has avoided the measuring device structure complicacy, maintainability poor, and is with high costs, the not good problem of popularization and application nature. The system can automatically identify the materials on the conveying device and automatically start to measure, the material is automatically closed by the measuring system after passing through the system, manual operation is not needed, and all measuring processes are automatically completed.
Drawings
Fig. 1 is a structural diagram of an automatic measuring device for material size used in a conveying device according to the present invention;
fig. 2 is a structural diagram of the control unit provided by the present invention;
shown in the figure:
1-a detection switch, 2-a sensor gantry, 3-a first laser displacement sensor, 4-a second laser displacement sensor, 5-an operation control unit, 6-a material and 7-a conveying device;
51-analog-digital converter, 52-PLC controller, 53-computer.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Referring to fig. 1 and 2, an automatic material size measuring device for use on a conveyor, includes:
the detection switch 1 is arranged on the sensor portal 2 and used for detecting whether the materials 6 on the conveying device 5 come or not;
the distance detection unit comprises a first laser displacement sensor 3 and a second laser displacement sensor 4 which are arranged on the sensor gantry 2 and are used for detecting the side edge of the material 6 to generate first measurement displacement data and second measurement displacement data and sending the first measurement displacement data and the second measurement displacement data to the operation control unit;
the operation control unit 5 is used for receiving the first measured displacement data and the second measured displacement data, storing and calculating; and comparing the width data calculated by the operation control unit with a preset width value, and if the width data value is within the range of the set width value, judging that the width of the material is normal.
The sensor gantry 2 is fixed on two sides of the sensor gantry 2, and the sensor gantry 2 is arranged above the conveying device 7.
In the embodiment of the present invention, the operation control unit 5 includes an analog-to-digital converter 51, a PLC controller 52 and a computer 53; the input end of the analog-to-digital converter 51 is connected with the first laser displacement sensor 3 and the second laser displacement sensor 4, the output end of the analog-to-digital converter 51 is connected with the PLC 52, and the PLC 52 is connected with the computer 53.
The detection switches 1 are photoelectric correlation switches, are arranged on two sides of the sensor gantry 2, and are arranged on the same straight line. The operation control unit also counts the signal on-off time of the detection switch, the product of the counting time and the running speed of the conveying device is the length of the material, and the width data is the difference between the distance between the first laser displacement sensor and the second laser displacement sensor and the first detection distance and the second detection distance.
In the embodiment of the utility model, the first and the second laser displacement sensors are fixed in the sensor bracket; the sensor bracket is fixed on two sides of the sensor gantry; the sensor gantry is arranged on the detection platform trolley; analog quantity output signals of the first laser displacement sensor and the second laser displacement sensor are connected with an analog quantity module of the PLC; the analog converter is connected with the PLC through a data interface; the first laser displacement sensor power supply and the second laser displacement sensor power supply are powered by a switching power supply; the PLC controller is connected with the computer through a communication cable and transmits the measured data to the computer.
The embodiment of the utility model provides an in, the distance between first, the second laser displacement sensor is fixed, establishes it into LZ, and one limit of first laser displacement sensor measurement material is to the distance L1 of first laser displacement sensor, and the second laser displacement sensor measures another limit of material to the distance L2 of second laser displacement sensor. The width of the material is then L LZ-L1-L2. Therefore, the materials do not need to be clamped and positioned, and the position of the materials is not particularly required.
The first laser displacement sensor and the second laser displacement sensor transmit distance signals to the PLC, the signals are converted into specific distance data through PLC operation, and then the material width is calculated and stored in the PLC internal storage space through related operation. The PLC is communicated with the computer, reads the data of the PLC memory, automatically judges whether the measurement result meets the quality requirement through a computer related software algorithm, displays the judgment result, and has the functions of automatically storing the equidistant width measurement data of each material and inquiring historical measurement data.
The embodiment of the utility model provides an use PLC as the material equidistant width measurement method of control core and corresponding automatic implementation method who judges, shows, saves and inquire software with the measuring result that the computer combines.
Adopt intelligent PLC, use photoelectric switch automatic identification material's arrival, the width value that combines range finding sensor to measure passes through the invalid measured data of PLC program algorithm automatic filtering to the relevant specification of automatic identification material can compare each specification quality standard and measurement size and judge whether qualified material size.
The high-precision laser displacement sensor and the high-precision sensor support manufacturing process are utilized to ensure a high-precision detection result, and the measurement precision is within +/-0.4 mm.
Only need a pair of two sensors to measure, equidistant measurement's realization relies on conveyer to move forward, and the sensor gathers a width size after moving certain distance, later moves a distance again and gathers a size of record, so on, gathers the storage with a plurality of equidistant width value of a material.
The utility model discloses a non-contact measurement mode need not to adopt traditional clamping positioner. The problems of complex structure, poor maintainability, high cost and poor popularization and application performance of the measuring device are avoided.
And the high-precision laser displacement sensor is applied, so that various measurement precisions of the system are guaranteed. The measurement precision is guaranteed to be within +/-0.4 mm. The system has a high response speed within 5ms, can ensure continuous reading to measure the width sizes of different positions of a single material under the condition that the conveying device does not stop, does not need to stop the conveying device, shortens the material conveying time occupied by material measurement to 0, namely does not occupy the conveying time of any material, and ensures that the capacity of equipment is not influenced.
The measurement process is completely automated without manual operation. The system can automatically identify the materials on the conveying device, automatically start to measure, measure the width of the materials at the equidistant positions in the length direction of the materials, store each width data, display the measured data in real time, compare the measured data with the standard tolerance size, and display whether each equidistant width of the materials meets the standard size requirement. The material passes through the automatic shutdown of back measurement system, need not manual operation, and all measurement processes are all accomplished automatically.
The system has a plurality of measurement parameter setting functions. The device can be used for setting equidistant measurement distance, the distance from a first measurement point to the front end of the material, the width adjustment distance of a measurement system and the like so as to meet various individual measurement requirements on the material. The function of storing and inquiring the measured data and automatically judging whether the measured data meets the standard size or not by comparing the measured data with the standard size. The corresponding result is displayed on the computer, and the historical measurement data can be inquired, so that the tracing of the size problem is met, and the management and control of the size and the quality of the material are facilitated.
A plurality of equidistant width measurement results of each material can be automatically stored in a database as a group of data according to the measurement time sequence, and the storage process is automatically completed. And historical data can be inquired and retrieved according to the date and time interval. The system can automatically identify the specification and the size of the material, judge each equidistant width measurement value according to the corresponding specification standard size, and display whether each size meets the requirement in a graphical mode.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and those skilled in the art can still modify or substitute the specific embodiments of the present invention with reference to the above embodiments, and any modifications or equivalent substitutions that do not depart from the spirit and scope of the present invention are all within the scope of the claims of the present invention pending.
Claims (5)
1. An automatic material size measuring device for use on a conveyor, comprising:
the detection switch is arranged on the sensor gantry and used for detecting whether the materials on the conveying device come or not;
the distance detection unit comprises a first laser displacement sensor and a second laser displacement sensor which are arranged on the sensor gantry, is used for detecting the side edge of the material to generate first measurement displacement data and second measurement displacement data, and sends the first measurement displacement data and the second measurement displacement data to the operation control unit;
the operation control unit is used for receiving the first measured displacement data and the second measured displacement data, storing and calculating; and comparing the width data calculated by the operation control unit with a preset width value, and if the width data value is within the range of the set width value, judging that the width of the material is normal.
2. An automatic material size measuring device for a conveyor as in claim 1 wherein the sensor gantry is disposed above the conveyor.
3. The automatic material size measuring device for the conveying device as claimed in claim 1, wherein the arithmetic control unit comprises an analog-to-digital converter, a PLC controller and a computer; the input end of the analog-to-digital converter is connected with the first laser displacement sensor and the second laser displacement sensor, the output end of the analog-to-digital converter is connected with the PLC, and the PLC is connected with the computer.
4. The automatic material size measuring device for the conveying device as claimed in claim 1, wherein the detection switches are photoelectric correlation switches which are arranged on two sides of the sensor gantry and are arranged on the same straight line.
5. The automatic material size measuring device for the conveying device as claimed in claim 1, wherein the operation control unit further counts signal on-off time of the detection switch, the product of the counted time and the running speed of the conveying device is the length of the material, and the width data is the difference between the distance between the first laser displacement sensor and the second laser displacement sensor and the first detection distance and the second detection distance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021801565.7U CN212692793U (en) | 2020-08-25 | 2020-08-25 | Automatic material size measuring device for conveying device |
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| CN202021801565.7U CN212692793U (en) | 2020-08-25 | 2020-08-25 | Automatic material size measuring device for conveying device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111854612A (en) * | 2020-08-25 | 2020-10-30 | 陕西国瑞信息技术有限公司 | A kind of automatic measuring device and method for material size on conveying device |
| CN114034255A (en) * | 2021-12-13 | 2022-02-11 | 东莞市启思达智能技术有限公司 | Movement detection device, method and system |
| CN114252333A (en) * | 2021-12-08 | 2022-03-29 | 浙江浙交检测技术有限公司 | Rock physical parameter measuring system and method |
| CN114754714A (en) * | 2022-06-15 | 2022-07-15 | 常州莫森智能科技有限公司 | Monocrystalline silicon size measuring machine |
-
2020
- 2020-08-25 CN CN202021801565.7U patent/CN212692793U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111854612A (en) * | 2020-08-25 | 2020-10-30 | 陕西国瑞信息技术有限公司 | A kind of automatic measuring device and method for material size on conveying device |
| CN114252333A (en) * | 2021-12-08 | 2022-03-29 | 浙江浙交检测技术有限公司 | Rock physical parameter measuring system and method |
| CN114034255A (en) * | 2021-12-13 | 2022-02-11 | 东莞市启思达智能技术有限公司 | Movement detection device, method and system |
| CN114754714A (en) * | 2022-06-15 | 2022-07-15 | 常州莫森智能科技有限公司 | Monocrystalline silicon size measuring machine |
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