CN213515507U - Online detection device for geometric parameters of long round bars on assembly line - Google Patents
Online detection device for geometric parameters of long round bars on assembly line Download PDFInfo
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- CN213515507U CN213515507U CN202022189560.XU CN202022189560U CN213515507U CN 213515507 U CN213515507 U CN 213515507U CN 202022189560 U CN202022189560 U CN 202022189560U CN 213515507 U CN213515507 U CN 213515507U
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Abstract
An online detection device and method for geometric parameters of long and round bars on a production line belong to the technical field of machining. The device comprises an industrial personal computer (1), a diameter measuring instrument (2), a PLC (3), a serial port line (4) and a network cable (5); the industrial personal computer (1) is connected with the diameter measuring instrument (2) through a serial port line (4), and the industrial personal computer (1) is connected with the PLC (5) through a network cable (5); the industrial personal computer (1) sends an instruction to the diameter measuring instrument (2) through the serial port line (4) and receives data from the diameter measuring instrument (2); the industrial personal computer (1) sends unqualified type information to the PLC (3) through the network cable (5), and the PLC (3) carries out subsequent processing. The method has the advantages that the problems of too few manual measurement parameters, too low precision and the like are overcome; convenient use, low cost and easy popularization.
Description
Technical Field
The utility model belongs to the technical field of machining, a long round bar geometric parameters on-line measuring device on assembly line is provided very much, is applicable to long round bar geometric parameters on-line measuring.
Background
The detection of geometrical parameters of the bar, including diameter, ovality and homonymy difference, is an important ring for quality inspection. At present, the diameter and/or the ovality are mainly realized in a manual or automatic mode, the same offset is mainly measured manually at present, and automatic measurement is rare.
In the aspect of automatic measurement of diameter or ovality, particularly in the occasions requiring higher precision and efficiency, a laser measuring instrument is generally used for measurement, wherein the ovality measurement is generally carried out by using a single-channel diameter measuring instrument to match with the rotation of a workpiece, and the ovality measurement is directly carried out by using a multi-channel diameter measuring instrument without the rotation of the workpiece.
Disclosure of Invention
An object of the utility model is to provide a long round bar geometric parameters on-line measuring device on assembly line. The defects of too few manual measurement parameters and too low precision are overcome; when workpieces enter the measuring instrument, the measured parameters are sent to the upper computer at regular time for calculation, storage and analysis, and whether the workpieces are qualified or not is provided quickly after each workpiece is finished for the PLC to judge and sort. Convenient use, low cost and easy popularization.
The utility model discloses diameter, ovality and with the count difference batch to a class of long round rod, quick, high accuracy, measuring process interruptible, data can long term storage/show/the detection demand of deriving to multichannel high accuracy rapid laser measuring instrument is measuring equipment, designs and has realized diameter, ovality and with count difference on-line measuring, and successfully uses at the industrial field.
As shown in fig. 1, the utility model comprises an industrial personal computer 1, a diameter measuring instrument 2 and a PLC 3; the industrial personal computer 1 is connected with the diameter measuring instrument 2 through a serial port line 4, and the industrial personal computer 1 is connected with the PLC 3 through a network cable 5; the industrial personal computer 1 sends an instruction to the diameter measuring instrument 2 through the serial port line 4 and receives data from the diameter measuring instrument 2; the industrial personal computer 1 sends unqualified type information to the PLC 3 through the network cable 5, and the PLC 3 carries out subsequent processing.
The utility model discloses an on-line measuring step as follows:
1 connecting the device and powering up as shown in fig. 1;
2 the interface of the device is shown in fig. 2, by default in "playback" mode; then clicking the upward/downward arrows on the right sides of the measurement number and the branch number to playback the measured data from the database, wherein the measured data comprises the diameter of a single branch/batch of workpieces, the ellipticity of the single branch/batch of workpieces, the maximum/minimum diameter, the ellipticity, the same branch difference, whether the workpieces are qualified or not, the diameter/ellipticity of each section of the workpieces and the qualified information of the whole branch and the same branch difference;
clicking a measurement radio button on a default interface to set a measurement mode, and clicking a new batch radio button or an old batch radio button to set a new batch measurement or an old batch measurement; if the measurement is a new batch measurement, setting the batch number, the destination, the name, the material, the track speed, the specification, the allowable upper deviation, the allowable lower deviation, the ovality upper limit, the same branch difference upper limit, the operator, the shift, the incoming material count and the incoming material weight parameter information of the workpiece; otherwise, directly using the parameters of the latest test batch; dividing the shift into three times, namely a morning shift, a middle shift and a night shift; before pressing a 'measurement and control ending' button, an operator respectively inputs the actually finished count and weight as the operation count and the operation weight;
4, after setting parameters, clicking a 'start measurement and control' button to start a test process, and clicking 'end measurement and control' to end the test process; if the test process needs to be paused, a "pause" button may be pressed; the pause includes two types: firstly, the workpiece is normally suspended and can be suspended only after the current workpiece passes through the diameter measuring instrument; secondly, the fault is suspended, and the suspension can be carried out in the measuring process in order to deal with the track blockage; if the test process needs to be recovered, a 'continue' button needs to be pressed; before pressing the continuation button, ensuring that no workpiece passes through the diameter measuring instrument;
5 passing a batch of long rods through a diameter gauge at speed; typical parameters are: the length of the bar is 3.5-7 m, the diameter is 10-30 mm, the number is 1-400, and the speed is 0.2-0.6 m/s;
6 in the measuring process, the device dynamically collects the information from the serial port of the diameter measuring instrument, and the head, the diameter of each section and the tail of one workpiece are calculated out; dynamically displaying each cross section diameter of each workpiece; calculating and dynamically displaying the ovality of each section, and drawing a curve of the diameter of the workpiece along with the position of the section and a curve of the ovality along with the position of the section; calculating the same-support difference of each workpiece after the measurement of each workpiece is finished, and simultaneously judging whether the same-support difference and the diameters/ovalities of all the sections are qualified or not and displaying; storing input parameters of the workpiece, the diameters of all sections, the maximum/minimum diameter, the maximum ellipticity and the same branch difference of the whole workpiece and qualified information of the workpiece in a database; sending unqualified type information of diameter/ellipticity/same branch difference to the PLC;
after 7 times of measurement are finished, clicking the 'playback' radio button to enter a playback mode; the operation steps of the playback mode refer to step 4.
Drawings
Fig. 1 is a schematic structural diagram of the device of the present invention. Wherein, industrial computer 1, calibrator 2 and PLC 3.
Fig. 2 is the software interface effect diagram of the present invention.
Fig. 3 is the data acquisition flow chart of the present invention.
Fig. 4 is a flow chart of data analysis according to the present invention.
Detailed Description
The utility model comprises an industrial personal computer 1, a diameter measuring instrument 2 and a PLC 3; the industrial personal computer 1 is connected with the diameter measuring instrument 2 through a serial port line 4, and the industrial personal computer 1 is connected with the PLC 3 through a network cable 5; the industrial personal computer 1 sends an instruction to the diameter measuring instrument 2 through the serial port line 4 and receives data from the diameter measuring instrument 2; the industrial personal computer 1 sends unqualified type information to the PLC 3 through the network cable 5, and the PLC 3 carries out subsequent processing.
The diameter measuring instrument 1 is a ZumBach ODAC 63TRIO three-channel diameter measuring instrument;
the industrial personal computer 2 selects a CPU i 7-77004 core 3.4GHZ, a memory: 8G, hard disk: 256G;
the PLC 3 selects SIMATIC S7-200;
the utility model discloses an on-line measuring step as follows:
1 connecting the device and powering up as shown in fig. 1;
2 as shown in fig. 2, clicking the "measure" radio button on the interface of the device sets the measurement mode, and clicking the "old lot" radio button presses the old lot for measurement. At the moment, the workpiece batch number, the destination, the name, the material, the track speed, the specification, the allowable upper deviation, the allowable lower deviation, the ovality upper limit, the same branch difference upper limit, the incoming material branch number and the incoming material weight are the same as those of the latest test batch; inputting an operator as a teacher's team to select a previous team;
4, after setting parameters, clicking a 'start measurement and control' button to start a test process, and clicking 'end measurement and control' to end the test process; if the test process needs to be paused, a "pause" button may be pressed; a pause may be made during the measurement; pressing the "continue" button resumes the testing process; before pressing the continuation button, ensuring that no workpiece passes through the diameter measuring instrument;
5, enabling a batch of long round bars to pass through a diameter measuring instrument at a certain speed; the length is about 4m, the diameter is 14.2mm, the number is 10, and the speed is 0.25 m/s;
and 6, in the measuring process, the device dynamically acquires information from the serial port of the diameter measuring instrument, and the head, the diameter of each section and the tail of one workpiece are calculated. Dynamically displaying the diameter of each section of each workpiece, calculating and dynamically displaying the ovality of each section, drawing a curve of the diameter of each workpiece along with the position of each section and a curve of the ovality along with the position of each section; calculating the same-support difference of each workpiece after the measurement of each workpiece is finished, simultaneously judging whether the same-support difference and the diameters/ellipticities of all the cross sections are out of limit and displaying, and storing input parameters of the workpieces, the diameters of all the cross sections, the maximum/minimum diameter of the whole workpiece, the maximum ellipticity and the same-support difference, out-of-limit information and qualified information of the workpieces into a database;
after 7 times of measurement are finished, clicking the 'playback' radio button to enter a playback mode; the operation of the playback mode refers to step 4.
Claims (2)
1. An online detection device for geometric parameters of long round bars on a production line is characterized by comprising an industrial personal computer (1), a diameter measuring instrument (2), a PLC (3), a serial port line (4) and a network cable (5); the industrial personal computer (1) is connected with the diameter measuring instrument (2) through a serial port line (4), and the industrial personal computer (1) is connected with the PLC (3) through a network cable (5).
2. The on-line detection device for the geometric parameters of the long and round bars on the production line according to claim 1, wherein the diameter measuring instrument (2) is a ZumBach ODAC 63TRIO three-channel diameter measuring instrument, the industrial personal computer (1) is a CPU i 7-77004 core 3.4GHZ, and the internal memory: 8G, hard disk: 256G; the PLC (3) is SIMATIC S7-200.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022189560.XU CN213515507U (en) | 2020-09-29 | 2020-09-29 | Online detection device for geometric parameters of long round bars on assembly line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022189560.XU CN213515507U (en) | 2020-09-29 | 2020-09-29 | Online detection device for geometric parameters of long round bars on assembly line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213515507U true CN213515507U (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022189560.XU Expired - Fee Related CN213515507U (en) | 2020-09-29 | 2020-09-29 | Online detection device for geometric parameters of long round bars on assembly line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213515507U (en) |
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2020
- 2020-09-29 CN CN202022189560.XU patent/CN213515507U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210622 |
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| CF01 | Termination of patent right due to non-payment of annual fee |