CN107741529A - A kind of on-line measuring device and method of rubber extruding product electric conductivity - Google Patents
A kind of on-line measuring device and method of rubber extruding product electric conductivity Download PDFInfo
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- CN107741529A CN107741529A CN201711221488.0A CN201711221488A CN107741529A CN 107741529 A CN107741529 A CN 107741529A CN 201711221488 A CN201711221488 A CN 201711221488A CN 107741529 A CN107741529 A CN 107741529A
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- China
- Prior art keywords
- rubber extruding
- extruding product
- conductive electrode
- conductance
- electric conductivity
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 10
- 238000010998 test method Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 8
- 238000003908 quality control method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 235000012438 extruded product Nutrition 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/01—Subjecting similar articles in turn to test, e.g. "go/no-go" tests in mass production; Testing objects at points as they pass through a testing station
- G01R31/013—Testing passive components
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention discloses a kind of on-line measuring device and method of rubber extruding product electric conductivity, the rubber extruding product continuously moved is connected to by conductive electrode by resistance measurement unit, pass through conductance judging unit again, control signal converting unit, PLC control system, human-computer interface system detects the conductance of moving rubber extruding product in continuous flow procedure, and qualified judgement is made whether automatically, corresponding control signal is sent according to judged result, carry out sound and light alarm and word-information display, realize the monitoring of the real-time online of rubber extruding product conductance.The present invention passes through the measurement to rubber extruding product resistance, collection, analyze, judge, alarm realizes the quality monitoring of online, real-time, continuous rubber extruding product electric conductivity, so as to ensure so as to ensure that the continuity of tire electric conductivity quality control, accuracy and reliability.
Description
Technical field
The present invention relates to technical field of rubber preparation, and in particular to a kind of on-line checking dress of rubber extruding product electric conductivity
Put and method.
Background technology
Critical piece in tire product is all the rubber extruding product produced by expressing technique, is production automobile
The essential important source material of tire, thus the quality of rubber extruding product have to the final mass of tire product it is conclusive
Influence.
With stepping up for requirement of the user to tire quality, except to traditional tire noise, rolling resistance, wetland
Grasp index request and more and more strictly hold outer, people are to the attention rate of tire electric conductivity also more and more higher.In the prior art, tire
Monitoring of the manufacturing enterprise to tire electric conductivity also relies on offline sampling observation pattern, and for the rubber of the main building block of tire
The Continuous Extrusion Process of extruded product does not carry out effectively continuous monitoring, so as to influence tire quality.
The content of the invention
To be solved by this invention is that the Continuous Extrusion Process of existing rubber extruding product can not realize online, real-time, company
Continuous the problem of monitoring its electric conductivity, there is provided a kind of on-line measuring device and method of rubber extruding product electric conductivity.
To solve the above problems, the present invention is achieved by the following technical solutions：
A kind of on-line measuring device of rubber extruding product electric conductivity, including conductive electrode, resistance measurement unit, conductance are sentenced
Disconnected unit, signal conversion unit, PLC control system and human-computer interface system；Conductive electrode includes the first conductive electrode and the second conduction
Pole, both are rotatable electric installation, and the first conductive electrode and the second conductive electrode are mounted opposite the machine in rollgang up and down
Be dielectrically separated from frame and with the frame of rollgang, extruded by extruder and the rubber extruding product that is conveyed on rollgang from
Fortune between above-mentioned the first conductive electrode and the second conductive electrode by, the first conductive electrode and the second conductive electrode with rubber extruding product
Move and rotate；The output end of first conductive electrode and the second conductive electrode is connected with the input of resistance measurement unit, resistance measurement list
The output end of member is connected with the input of conductance judging unit, and the output end of conductance judging unit passes through signal conversion unit
It is connected with the input of PLC control system, PLC control system is connected with human-computer interface system.
In such scheme, a first conductive extremely conductive roller, unpowered roller type is adopted as, is affixed on the rubber
Extruded product upper surface, and rotated with the motion of rubber extruding product；A second conductive extremely conductive roller, is adopted as
Drive pulley type or unpowered roller cartridge type, the lower surface of the rubber extruding product is affixed on, and with the fortune of rubber extruding product
Move and rotate.
In such scheme, human-computer interface system is industrial computer or touch-screen.
A kind of online test method for rubber extruding product electric conductivity that above-mentioned on-line measuring device is realized, including step
It is as follows：
Step 1, the sampling rate and high alarm setting value that rubber extruding product resistance value is set；
The resistance value of moving rubber extruding product is incorporated into resistance measurement unit, resistance by step 2, conductive electrode online
Measuring unit carries out sampled measurements and storage according to sampling rate to rubber extruding product resistance value；
Step 3, conductance judging unit are to the rubber extruding product resistance Value Data of samples storage with every 2~100 values
For one group, resistance average value is then sought in units of group；
The rubber extruding system of step 4, conductance judging unit with the resistance average value of this group of rubber extruding product with setting
The high alarm setting value of product resistance value is compared, and if greater than equal to high alarm setting value, then keeps rubber extruding product unqualified
Alarm signal, if less than the upper limit, then disconnect the underproof alarm signal of rubber extruding product；
Step 5, signal conversion unit receive the alarm signal that conductance judging unit is sent, and the logical of this alarm signal
The disconnected make-and-break signal for being converted to one group of contact；
The make-and-break signal of this group of contact is directly received by PLC control system caused by step 6, signal conversion unit
And identification；
Step 7, PLC control system are according to the alarm signal received, by being alarmed accordingly audible-visual annunciator,
Alarm signal is passed to human-computer interface system simultaneously；
The alarm signal that step 8, human-computer interface system are sent according to PLC control system carries out the display of relevant information；
Step 9, conductance judging unit are deleted or store this group of rubber extruding product resistance value, return step 3, start
Next group of rubber extruding product resistance value is judged, so circulation, realize the real-time online of rubber extruding product electric conductivity
Measurement.
It is 0.1~100 time/second to the selection of resistance value sampling rate in above-mentioned steps 1.
In above-mentioned steps 1,10 are set to resistance value high alarm setting value3~108Ohm.
Compared with prior art, rubber extruding product is accessed resistance measurement unit, Ke Yishi by the present invention by conductive electrode
When the resistance measurement of moving rubber extruding product in production process is come out, judged and alarmed, realized online, real
When, the quality monitoring of continuous rubber extruding product electric conductivity, so as to ensure that the continuity of tire electric conductivity quality control,
Stability and reliability.
Brief description of the drawings
Fig. 1 is the scheme of installation of the on-line measuring device for rubber extruding product electric conductivity.
Fig. 2 is the schematic diagram of the on-line measuring device for rubber extruding product electric conductivity.
Label in figure：1. extruder, 2. rubber extruding products, 3. rollgangs, 4. first conductive electrodes (roller), 5. second
Conductive electrode (roller).
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with instantiation, and with reference to attached
Figure, the present invention is described in more detail.
A kind of on-line measuring device of rubber extruding product electric conductivity, as illustrated in fig. 1 and 2, including conductive electrode, resistance measurement
Unit, conductance judging unit, signal conversion unit, PLC control system and human-computer interface system.By conductive electrode continuous fortune
Dynamic rubber extruding product 2 is connected to resistance measurement unit, then by conductance judging unit, control signal converting unit and
PLC control system detects the conductance of moving rubber extruding product 2 in continuous flow procedure, and is automatically
No qualified judgement, corresponding control signal is sent according to judged result, sound and light alarm and word-information display is carried out, realizes rubber
The monitoring of the online real-time online of the electric conductivity of glue extruded product 2.
The conductive electrode includes the first conductive electrode 4 and the second conductive electrode 5.First conductive electrode 4 and the second conductive electrode 5 are arranged on
It is dielectrically separated from the frame of rollgang 3 and with frame.First conductive electrode 4 and the second conductive electrode 5 are rotatable conduction
Device, wherein the first conductive electrode 4 is a conductive roller, unpowered roller type is adopted as, positioned at the rubber extruding product 2
Above, rolled with the motion of rubber extruding product 2；Second conductive electrode 5 is a conductive roller, is adopted as drive roller
Formula or unpowered roller cartridge type, below the rubber extruding product 2, rotated with the motion of rubber extruding product 2.Production
When, rubber extruding product 2 is attached on rollgang 3 after the extrusion of extruder 1 and conveyed, and rubber extruding product 2 is understood from upper
By the way that the output end of two conductive electrodes directly connects with resistance measurement unit between the first conductive electrode 4 and the second conductive electrode 5 stated
Connect, be so achieved that and the resistance value of moving rubber extruding product 2 is directly incorporated into resistance measurement unit online,
The resistance measurement unit measures to the resistance value of rubber extruding product 2.Resistance measurement unit is one high-precision
Electric resistance measuring apparatus is spent, program control DC constant current power supply is contained in inside, and in measurement, to product to be tested feed-in constant current, the electric current is in quilt
Corresponding pressure drop is produced on test body, this voltage value signal after amplifier amplifies by high speed A D converters be conveyed to
Conductance judging unit carries out the analyzing and processing of resistance value, is realized with this and online survey in real time is carried out to the resistance of rubber extruding product 2
Amount.
The real-time resistance value of rubber extruding product 2 that the conductance judging unit measures to resistance measurement unit samples
And storage, analysis judgement then is carried out to the data of storage, and export the whether qualified judgement letter of the conductance of rubber extruding product 2
Number.In the present embodiment, conductance judging unit can be with unrestricted choice such as to the resistance value sampling rate of rubber extruding product 2：1
Secondary/second, 2 times/second, 5 times/second, 10 times/second etc..Conductance judging unit asks flat in units of group to the data of samples storage
Average.Conductance judging unit is with this group of resistance average value of rubber extruding product 2 with the defined resistance value of rubber extruding product 2
Limit value is compared, and if greater than equal to the upper limit, is then kept one unqualified alarm signal of output, if less than the upper limit, is then broken
Open unqualified alarm signal.Conductance judging unit using single-chip microcomputer as central processing unit carry out it is system-wide control, analyze,
Computing and processing.During production, the voltage signal that single-chip microcomputer comes to resistance measurement unit transportation calculates, and draws rubber extruding
The resistance value R=U/I of product 2, and real-time sampling, storage and judgement are carried out to the resistance value of rubber extruding product 2.
Whether the conductance of rubber extruding product 2 that the signal conversion unit can export conductance judging unit is qualified
Judge that signal is converted into the signal that PLC control system can identify.Signal conversion unit is made up of an auxiliary reclay, alarm
The control coil of auxiliary reclay is signally attached to, thus alarm signal is converted to one group of contact on/off of auxiliary reclay
Signal, so as to access any kind of PLC system.
The PLC control system receives the whether qualified judgement signal of rubber extruding 2 conductances of product, automatic as needed
Control carry out sound and light alarm, and the conductance of rubber extruding product 2 it is whether qualified judge signal by way of network communication
It is sent into the human-computer interface system.
The human-computer interface system carries out text information according to the whether qualified judgement signal of the conductance of rubber extruding product 2
Display.Human-computer interface system can be industrial computer or touch-screen.
The online test method for rubber extruding product electric conductivity that said apparatus is realized, detailed process are as follows：
Step 1, the sampling rate and high alarm setting value that the resistance value of rubber extruding product 2 is set.This embodiment is to resistance
Value sampling rate selection be 0.1~100 time/second, preferably 5 times/second, i.e., per second to gather 5 resistance values and stored；Set
The high alarm setting value of the resistance value of rubber extruding product 2.This embodiment is set to 10 to resistance value high alarm setting3~108Ohm, it is excellent
Elect 10 as6Ohm；
The resistance value of moving rubber extruding product 2 is incorporated into resistance measurement unit by step 2, conductive electrode online, and
Sampled measurements and storage are carried out to the resistance value of rubber extruding product 2 according to sampling rate by resistance measurement unit；
Step 3, conductance judging unit are to the resistance Value Data of rubber extruding product 2 of samples storage with every 2~100 values
For one group, resistance average value is then preferably sought in units of group for one group with every 5 values；
Step 4, with this group of resistance average value of rubber extruding product 2 with the defined resistance value higher limit of rubber extruding product 2
It is compared, if greater than equal to the upper limit, then one unqualified alarm signal of DC24V high level of output is kept, if less than upper
Limit, then disconnect the unqualified alarm signal of DC24V high level；
Step 5, signal conversion unit receive alarm signal, and the on/off of this alarm signal be converted to one group of contact it is logical/
Disconnected signal, so as to access any kind of PLC system；
Step 6, the on/off signal of this group of contact directly can be received and known by the input module of PLC control system
Not；
The alarm signal that step 7, PLC control system are received according to input module, by its output module to acousto-optic report
Alert device is alarmed accordingly, while alarm signal is passed to human-computer interface system by ethernet communication mode；
Step 8, human-computer interface system carry out the related of text information according to alarm signal and shown；
Step 9, delete or store this group of sampled data, return step 3 and start that next group of 5 sampled values are carried out asking flat
Average and judgement, so circulation.
The rubber extruding product 2 continuously moved is connected to resistance measurement unit by the present invention by conductive electrode, then by leading
Electric rate judging unit, control signal converting unit, PLC control system, human-computer interface system in continuous flow procedure moving
The conductance of rubber extruding product 2 detect, and be made whether qualified judgement automatically, sent accordingly according to judged result
Control signal, sound and light alarm and word-information display are carried out, realize the prison of the real-time online of the conductance of rubber extruding product 2
Control.The present invention is gathered by the measurement to the resistance of rubber extruding product 2, is analyzed, and is judged, alarm realizes online, real-time, even
The quality monitoring of the continuous electric conductivity of rubber extruding product 2, so as to ensure so as to ensure that the company of tire electric conductivity quality control
Continuous property, accuracy and reliability.
It should be noted that although embodiment of the present invention is illustrative above, but it is to the present invention that this, which is not,
Limitation, therefore the invention is not limited in above-mentioned embodiment.Without departing from the principles of the present invention, it is every
The other embodiment that those skilled in the art obtain under the enlightenment of the present invention, it is accordingly to be regarded as within the protection of the present invention.
Claims (6)
- A kind of 1. on-line measuring device of rubber extruding product electric conductivity, it is characterised in that：Including conductive electrode, resistance measurement list Member, conductance judging unit, signal conversion unit, PLC control system and human-computer interface system；Conductive electrode includes the first conductive electrode (4) and the second conductive electrode (5), and both are rotatable electric installation, and first is conductive Pole (4) and the second conductive electrode (5) are mounted opposite in the frame of rollgang (3) and exhausted with the frame of rollgang (3) up and down Edge is isolated, and the rubber extruding product (2) extruded by extruder (1) and conveyed on rollgang (3) is conductive from above-mentioned first By the way that the first conductive electrode (4) and the second conductive electrode (5) are with rubber extruding product (2) between pole (4) and the second conductive electrode (5) Move and rotate；The output end of first conductive electrode (4) and the second conductive electrode (5) is connected with the input of resistance measurement unit, resistance measurement list The output end of member is connected with the input of conductance judging unit, and the output end of conductance judging unit passes through signal conversion unit It is connected with the input of PLC control system, PLC control system is connected with human-computer interface system.
- A kind of 2. on-line measuring device of rubber extruding product electric conductivity according to claim 1, it is characterised in that：First Conductive electrode (4) is a conductive roller, is adopted as unpowered roller type, is affixed on rubber extruding product (2) upper surface, and Rotated with the motion of rubber extruding product (2)；Second conductive electrode (5) is a conductive roller, is adopted as drive roller Formula or unpowered roller cartridge type, are affixed on the lower surface of the rubber extruding product (2), and with rubber extruding product (2) motion and Rotate.
- A kind of 3. on-line measuring device of rubber extruding product electric conductivity according to claim 1, it is characterised in that：It is man-machine Interface system is industrial computer or touch-screen.
- A kind of 4. on-line checking side for rubber extruding product electric conductivity that the on-line measuring device described in claim 1 is realized Method, it is characterized in that, including step is as follows：Step 1, the sampling rate and high alarm setting value that rubber extruding product (2) resistance value is set；The resistance value of moving rubber extruding product (2) is incorporated into resistance measurement unit, resistance by step 2, conductive electrode online Measuring unit carries out sampled measurements and storage according to sampling rate to rubber extruding product (2) resistance value；Step 3, conductance judging unit to rubber extruding product (2) the resistance Value Data of samples storage using every 2~100 values as One group, resistance average value is then sought in units of group；The rubber extruding product of step 4, conductance judging unit with the resistance average value of this group of rubber extruding product (2) with setting (2) the high alarm setting value of resistance value is compared, and if greater than equal to high alarm setting value, then keeps rubber extruding product (2) no Qualified alarm signal, if less than the upper limit, then disconnect rubber extruding product (2) underproof alarm signal；Step 5, signal conversion unit receive the alarm signal that conductance judging unit is sent, and the break-make of this alarm signal is turned It is changed to the make-and-break signal of one group of contact；The make-and-break signal of this group of contact is directly received and known by PLC control system caused by step 6, signal conversion unit Not；Step 7, PLC control system are according to the alarm signal received, by being alarmed accordingly audible-visual annunciator, simultaneously Alarm signal is passed to human-computer interface system；The alarm signal that step 8, human-computer interface system are sent according to PLC control system carries out the display of relevant information；Step 9, conductance judging unit are deleted or store this group of rubber extruding product (2) resistance value, return step 3, start Next group of rubber extruding product (2) resistance value is judged, so circulation, realize the reality of rubber extruding product (2) electric conductivity When on-line measurement.
- 5. a kind of online test method of rubber extruding product electric conductivity according to claim 4, it is characterized in that, step 1 In, it is 0.1~100 time/second to the selection of resistance value sampling rate.
- 6. a kind of online test method of rubber extruding product electric conductivity according to claim 4, it is characterized in that, step 1 In, 10 are set to resistance value high alarm setting value3~108Ohm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711221488.0A CN107741529A (en) | 2017-11-29 | 2017-11-29 | A kind of on-line measuring device and method of rubber extruding product electric conductivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711221488.0A CN107741529A (en) | 2017-11-29 | 2017-11-29 | A kind of on-line measuring device and method of rubber extruding product electric conductivity |
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| Publication Number | Publication Date |
|---|---|
| CN107741529A true CN107741529A (en) | 2018-02-27 |
Family
ID=61239704
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711221488.0A Pending CN107741529A (en) | 2017-11-29 | 2017-11-29 | A kind of on-line measuring device and method of rubber extruding product electric conductivity |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112748158A (en) * | 2020-12-24 | 2021-05-04 | 无锡市科虹标牌有限公司 | Tool for rapidly detecting conductivity of plastic part and detection method thereof |
| CN113433170A (en) * | 2021-06-29 | 2021-09-24 | 福达合金材料股份有限公司 | Method for dynamically detecting physical properties of electrical contact material |
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| CN207516443U (en) * | 2017-11-29 | 2018-06-19 | 中国化学工业桂林工程有限公司 | A kind of on-line measuring device of rubber extruding product electric conductivity |
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2017
- 2017-11-29 CN CN201711221488.0A patent/CN107741529A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN85105240A (en) * | 1985-07-05 | 1986-10-01 | 华南工学院 | A kind of resistance of conductive rubber or conductive plastics or the method and tester thereof of resistivity measured |
| JP2010019981A (en) * | 2008-07-09 | 2010-01-28 | Canon Chemicals Inc | Resistance measuring method for conductive rubber roll |
| CN202256505U (en) * | 2011-09-30 | 2012-05-30 | 南京金三力橡塑有限公司 | Testing device for conductivity type rubber resistivity |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112748158A (en) * | 2020-12-24 | 2021-05-04 | 无锡市科虹标牌有限公司 | Tool for rapidly detecting conductivity of plastic part and detection method thereof |
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