CN101329244B - Method and device for testing and regulating viscosity of mixing liquid - Google Patents
Method and device for testing and regulating viscosity of mixing liquid Download PDFInfo
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- CN101329244B CN101329244B CN2008100222158A CN200810022215A CN101329244B CN 101329244 B CN101329244 B CN 101329244B CN 2008100222158 A CN2008100222158 A CN 2008100222158A CN 200810022215 A CN200810022215 A CN 200810022215A CN 101329244 B CN101329244 B CN 101329244B
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Abstract
The invention discloses a viscosity testing and adjusting device used for mixed liquid, comprising a sampling mechanism and a control mechanism. The viscosity testing and adjusting device of the invention is characterized in that the device also comprises a solvent electromagnetic valve which is connected with a diluent pipeline; the control end of the electromagnetic valve is connected with the control device; the sampling mechanism comprises a substrate, a sampling mechanism which is arranged on the substrate, a sampling sensor and a driving cylinder; the control ends of the sampling sensorand the driving cylinder are connected on the control device; a method which realizes the device of the invention comprises the steps as follows: (1) gaining upper and lower limit signals and calculating viscosity number a; (2) comparing the viscosity number a with the viscosity number b; when the viscosity number a is more than the rated viscosity number b, automatically adding the diluted solution; the opening time of the solvent electromagnetic valve is the given dilution time; (3) according to the given sampling period, repeating the step (1) and (2) and resetting the viscosity number a. The viscosity testing and adjusting device realizes the automatic sampling, detection and dilution of the mixed liquid, avoids the error generated by manpower operation, thus improving the quality of the product further.
Description
Technical field
The present invention relates to a kind of viscosity test method and device, be specifically related to a kind of method and device thereof that is used for the test adjusting of mixing material viscosity.
Background technology
Many industries are tested and be adjusted in to the viscosity of mixing material all can relate to, as making, food service industry, cosmetics manufacturing and the chemical industry etc. of CCL (copper-clad plate), PCB (printed wiring board).
It is to rely on manual monitoring and add thinning agent that the viscosity at present a lot of fields is regulated, and method of testing is: adopt sampling cup and stopwatch, the Drain time of test institute sample thief is to determine viscosity, if viscosity is excessive, the then manual thinning agent that adds is controlled corresponding viscosity.The precision of manual method of testing one side test value and the quantity of adding thinning agent can't accurately control, and cause the unstable product quality of producing, and can't satisfy the requirement of lean production; On the other hand, the test of sampling back can't realize monitoring in real time and regulate, and influences manufacturing schedule and accuracy.
In addition, the mechanical type proving installation that printing industry is used, as the disclosed viscosity of Chinese utility model patent, concentration detection apparatus main body mechanism (CN2746385), its fundamental mode is: distribute a branch road to the viscosity measurements container in the pipeline of carrying slurries, by in the viscosity measurements container, driving the variation (variation of rotating speed and moment of torsion) of the driving motor working load that stirs sensor, cause the variation of the working current signal of drive motor, detect the working current signal of this motor through the viscosity measurements instrument, thereby obtain the viscosity number of slurries, so that regulate.This method is compared with manual inspection, measuring accuracy is improved, but, still only can be with manual adjustments viscosity, promptly need the artificial thinning agent that adds, can't set the test period of viscosity simultaneously, need be by manually controlling in real time, fail to reach fully-automatic production, all influential to product quality and production efficiency.
Summary of the invention
The object of the invention provides a kind of method of testing and the device that can monitor, regulate automatically mixing material viscosity in real time, uses this method and device to detect, and helps to improve accuracy of detection and production efficiency.
For achieving the above object, the technical solution used in the present invention is: a kind of viscosity test regulating device of mixing material, comprise sampling mechanism and control device, comprise a solvent solenoid valve that is connected with the thinning agent pipeline, this solenoid control end is connected with described control device; Described sampling mechanism comprises installation base plate, is installed on sampling mechanism and sampling detector and driving cylinder on the substrate, the signal output part of described sampling detector is connected with described control device, the control end of described driving cylinder is connected on the control device through a cylinder solenoid valve, and described sampling mechanism comprises:
One stopple coupon, its top is installed on the substrate, and the other end is provided with sample tap;
One thief rod, this thief rod sliding sleeve is in described stopple coupon, the end of described thief rod is provided with sash weight, the top is provided with leveling board, one side of this leveling board cooperates with the expansion link of described driving cylinder, the movement travel of cylinder expansion link cooperates with the move distance that described sash weight is opened described sample tap, and the opposite side of leveling board cooperates with described sampling detector contact;
One installing and locating frame, this locating rack sliding sleeve and are fastenedly connected through securing member and stopple coupon on described stopple coupon outer wall.
In the technique scheme, be provided with a stage clip in the described sampling detector, its control end is connected with the contact through this stage clip, the top of corresponding contact is provided with an inching switch mechanism, described inching switch mechanism comprises that a bottom is installed on support on the described substrate, the horizontal feeler lever that is rotationally connected with cantilever tip and be bolted in fine setting screw rod on the horizontal feeler lever, the bottom of described fine setting screw rod is corresponding to the place, position, contact of described sampling detector, and the other end with respect to support on the described horizontal feeler lever cooperates with described leveling board.The rotary fine adjustment screw rod, scalable contacts the distance of sampling detector, promptly is adjusted to the distance of lower limit, realizes the mechanical adjustment to the tested viscosity value.
In the technique scheme, also be provided with a detergent line on the described stopple coupon, this pipeline one end is communicated with stopple coupon is interior, and the other end is for cleaning inlet.
In the technique scheme, described substrate upper edge drives cylinder expansion link direction of motion and is provided with a guide pole, and to having gathering sill on the described leveling board at guide pole place, formation is slidingly connected.
In the technique scheme, described control device comprises a Programmable Logic Controller and an operation display interface, the signal of described solvent solenoid valve, sampling detector and cylinder solenoid valve is imported in the described Programmable Logic Controller, and Programmable Logic Controller is connected with described operation display interface.Described operation display interface can be touch-screen, by the editor of Programmable Logic Controller to program, two kinds of automatic mode and manual modes are set, automatically finishing sampling at the automatic mode lower device detects and dilution, the manually actuated solvent solenoid valve that opens or closes under manual mode, add or the shutoff diluting solvent, in order to avoid program is made mistakes and caused accident.
For achieving the above object, another technical scheme that the present invention adopts is: adopt the viscosity test control method of a kind of mixing material of said apparatus realization, its job step comprises:
(1) expansion link that drives cylinder rises, the upper limit timed unit that arrives cylinder solenoid valve obtains the upper limit signal, cylinder descends, thief rod descends with the sash weight self gravitation, obtain the lower limit signal by sampling detector, according to the clock pulse signal in the control device, be converted into viscosity number a by time representation;
(2) the viscosity number a that step (1) is drawn compares with nominal viscosity value b, when viscosity number a＞nominal viscosity value b, opens the solvent solenoid valve, adds dilute solution, the open dilution time of time for having set of solvent solenoid valve;
(3) control device picks up counting for opening initial point to obtain the decline limit signal, reach the sample period of setting after, repeating step (1) and (2), and with the viscosity number a zero clearing in the step (1).
During use,, viscosity correction factor unit is set by Programmable Logic Controller (PLC) for handled easily person observation, with the viscosity number a * viscosity correction factor that records in the step (1), obtain revising back practical viscosity value, consistent with the manual viscosity number that records, be 20 as recording viscosity number, and manually measure the value of coming with sampling cup is 2 seconds, then " viscosity correction factor " is set at 0.10, and last " revising back practical viscosity value "=2 seconds, identical with measured value, reach the correction purpose, more directly perceived.
Principle of work of the present invention is: during use, sampling mechanism is installed on the agitator through the locating rack on the stopple coupon, the sample tap on the stopple coupon is dipped in the mixing material to be measured.Utilize and drive the thief rod rising that cylinder promotes the band sash weight, run into dead electricity behind the cylinder solenoid valve, cylinder descends, so thief rod freely descends at the resistance that overcomes mixing material (as glue) in sample tap flows into stopple coupon under the effect of sash weight gravity, send the signal that the thief rod rising puts in place and sash weight decline puts in place to control device (PLC) by cylinder solenoid valve and sampling detector, by the good program of PLC internal composition, calculate the time (each stroke that descends is the stroke of cylinder) that sash weight descends by deadweight automatically.If the viscosity of the mixing material of test is high more, then the big more time that promptly descends of the damping of thief rod sash weight decline is long more, represent promptly that when the time ratio setting-up time that calculates is long viscosity is bigger than normal, PLC driving solvent solenoid valve is opened then, release solvent is diluted, dilution time to be set finishes back solvent closed electromagnetic valve, reaches the purpose of regulating viscosity.With the dropping signal is the starting point timing, and after time sample period that reaches setting, thief rod rises and promptly to enter into the next sample period, and the zero clearing of carrying out viscosity number refreshes.
Because the technique scheme utilization, the present invention compared with prior art has following advantage:
1. the present invention promotes to be issued to upper limit position acquisition upper limit signal by detecting thief rod at the driving cylinder, and the sash weight deadweight decline of leaning on thief rod not hold overcomes fluid damping by sampling detector acquisition lower limit signal, utilize these two signal control devices to calculate viscosity number, determine whether to open the solvent solenoid valve after relatively with ratings, add thinning agent, and the setting sample period, in setting cycle, realize detecting automatically and dilution, compare with pick-up unit in the past, from sampling, detecting dilution all can finish automatically, avoided the error of generation hand-manipulated, improve measuring accuracy greatly, effectively guarantee the quality of mixing material, improved work efficiency simultaneously, saved manpower;
2. be installed on the agitator owing to sampling mechanism, the sampling of liquid is directly carried out, and need not to be provided with in addition to draw pipeline, and apparatus structure is simple, and can realize the real time sample monitoring, and it is more accurate, timely to detect data, improves operating efficiency and converted products quality.
Description of drawings
Fig. 1 is the control principle schematic block diagram under the user mode in the embodiment of the invention one;
Fig. 2 is the structural representation of sampling mechanism in the embodiment of the invention one;
Fig. 3 is that thief rod promotes view among Fig. 2;
Fig. 4 is that synoptic diagram is looked on the left side of Fig. 2;
Fig. 5 is the schematic top plan view of Fig. 2;
Fig. 6 be in the embodiment of the invention one operation display interface manual mode under the interface synoptic diagram;
Fig. 7 is that the automatic mode of operation display interface in the embodiment of the invention one is divided into demarcation face synoptic diagram;
Fig. 8 is the automatic monitoring interface synoptic diagram of operation display interface in the embodiment of the invention one.
Wherein: 1, agitator; 2, sampling mechanism; 3, solvent solenoid valve; 4, cylinder solenoid valve; 5, substrate; 6, sampling detector; 7, drive cylinder; 8, stopple coupon; 9, sample tap; 10, thief rod; 11, sash weight; 12, leveling board; 13, locating rack; 14, securing member; 15, support; 16, horizontal feeler lever; 17, fine setting screw rod; 18, guide pole; 19, detergent line.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment one: to shown in Figure 8, a kind of viscosity test regulating device of mixing material comprises sampling mechanism 2 and control device referring to accompanying drawing 1, comprises a solvent solenoid valve 3 that is connected with the thinning agent pipeline, and this solenoid valve is connected with described control device; Described sampling mechanism 2 comprises installation base plate 5, is installed on sampling mechanism 2 and the sampling detector 6 on the substrate 5 and drives cylinder 7, the signal output part of described sampling detector 6 is connected with described control device, the control end of described driving cylinder 7 is connected on the control device through a cylinder solenoid valve 4, and described sampling mechanism 2 comprises:
One stopple coupon 8, its top are installed on the substrate 5, and the other end is provided with sample tap 9;
One thief rod 10, this thief rod sliding sleeve is in described stopple coupon 8, the end of described thief rod 10 is provided with sash weight 11, the top is provided with leveling board 12, one side of this leveling board 12 cooperates with the expansion link of described driving cylinder 7, the movement travel of cylinder expansion link cooperates with the move distance that described sash weight 11 is opened described sample tap, and the opposite side of leveling board 12 cooperates with described sampling detector 6 contacts;
One installing and locating frame 13, these locating rack 13 sliding sleeves and are fastenedly connected through securing member 14 and stopple coupon 8 on described stopple coupon 8 outer walls.
Shown in Fig. 2,3, be provided with a stage clip (not shown) in the described sampling detector 6, its control end is connected with the contact through this stage clip, the top of corresponding contact is provided with an inching switch mechanism, described inching switch mechanism comprises that a bottom is installed on support 15 on the described substrate 5, the horizontal feeler lever 16 that is rotationally connected with support 15 tops and be bolted in fine setting screw rod 17 on the horizontal feeler lever, the bottom of described fine setting screw rod 17 is corresponding to the place, position, contact of described sampling detector 6, and the other end with respect to support 15 on the described horizontal feeler lever 16 cooperates with described leveling board 12; As shown in Figure 5, described substrate 5 upper edges drive cylinder 7 expansion link direction of motion and are provided with a guide pole 18, and to having gathering sill on the described leveling board 12 at guide pole 18 places, formation is slidingly connected.Rotary fine adjustment screw rod 17, the distance of regulating the contact contact is mechanicallyly finely tuned the tested viscosity value.
When the expansion link that drives cylinder 7 rises, as shown in Figure 3, expansion link (is the height of hydrous water flat board, the expansion link end is provided with extension rod) 12 risings of promotion leveling board, thief rod is promoted along guide pole 18, and its end is opened sample tap 9, and testing liquid flows in the stopple coupon 8, horizontal feeler lever 16 rotates around support 15 under the elastic force of stage clip, obtains the raise-position signal; After cylinder solenoid valve 4 is closed (after reaching upper limit), expansion link falls, the thief rod 10 deadweight effect of sash weight 11 endways descends down, compacting leveling board 12, control end and stage clip in the fine setting screw rod 17 compression sampling detectors 6, the position signal that obtains descending, thief rod 10 extrudes stopple coupon with liquid simultaneously.
Also be provided with a detergent line 19 on the described stopple coupon 8, this pipeline one end and 8 interior connections of stopple coupon, the other end is for cleaning inlet, with convenient cleaning to stopple coupon 8 build-in test liquid, avoid the residual measuring accuracy that influences of test liquid to reach the purity of fluid to be measured next time, convenient test to different product.
As shown in Figure 1, described control device comprises a Programmable Logic Controller and an operation display interface, the signal of described solvent solenoid valve, sampling detector and cylinder solenoid valve is imported in the described Programmable Logic Controller, and Programmable Logic Controller is connected with described operation display interface, specifically tests control method and is:
Job step comprises:
(1) expansion link that drives cylinder rises, the upper limit timed unit that arrives cylinder solenoid valve obtains the upper limit signal, cylinder descends, thief rod descends with the sash weight self gravitation, obtain the lower limit signal by sampling detector, according to the clock pulse signal in the control device, be converted into viscosity number a by time representation;
(2) the viscosity number a that step (1) is drawn compares with nominal viscosity value b, when viscosity number a＞nominal viscosity value b, opens the solvent solenoid valve, adds dilute solution, the open dilution time of time for having set of solvent solenoid valve;
(3) control device picks up counting for opening initial point to obtain the decline limit signal, reach the sample period of setting after, repeating step (1) and (2), and with the viscosity number a zero clearing in the step (1).
During use, as shown in Figure 1, sampling mechanism 1 is installed on the agitator 1 through the locating rack on the stopple coupon 8 13, sample tap 9 on the stopple coupon 8 is dipped in the mixing material to be measured, obtain upper limit and lower limit signal by cylinder solenoid valve 4 and sampling detector 6, and send in the control device (PLC), by the good program of PLC internal composition, automatically calculate the time (each stroke that descends is the stroke of cylinder) that sash weight 11 descends by deadweight, and on the operation display interface, show.If the viscosity of the mixing material of test is high more, then the big more time that promptly descends of the damping of thief rod sash weight 11 declines is long more, represent promptly that when the time ratio setting-up time that calculates is long viscosity is bigger than normal, PLC driving solvent solenoid valve 3 is opened then, release solvent is diluted, dilution time to be set finishes back solvent solenoid valve 3 closes, and reaches the purpose of regulating viscosity.With the dropping signal is the starting point timing, and after time sample period that reaches setting, thief rod 10 rises and promptly enters into the next sample period, and the zero clearing of carrying out viscosity number refreshes.
Be handled easily, can be provided with manually and automatic two kinds of adjusting patterns by PLC:
(1) be the display interface under the manual mode as Fig. 6, set dilution time, " startup " can open the solvent dilution valve and test thief rod action situation on touch-screen then, closes automatically when reaching the setting dilution time, closes immediately by " stopping ";
(2) set display interface as Fig. 7 down for automatic mode, show viscosity number a=012 second respectively, nominal viscosity value b=012 second, for better reaction practical viscosity value, on touch-screen, increased " setting of viscosity correction factor ", " revising back practical viscosity value "=" viscosity displayed value " * " setting of viscosity correction factor ", correction factor is 0.23, revising back practical viscosity value is 02.76 second, thereby consistent with the manual viscosity number that records.After finishing setting, device enters automatic monitor state, as shown in Figure 8.
Claims (4)
1. the viscosity test regulating device of a mixing material comprises sampler and control device, it is characterized in that: also comprise a solvent solenoid valve (3) that is connected with the thinning agent pipeline, this solenoid control end is connected with described control device; Described sampler comprises installation base plate (5), is installed on sampling mechanism (2) and the sampling detector (6) on the substrate (5) and drives cylinder (7), the signal output part of described sampling detector (6) is connected with described control device, the control end of described driving cylinder (7) is connected on the control device through a cylinder solenoid valve (4), and described sampling mechanism (2) comprising:
One stopple coupon (8), its top are installed on the substrate (5), and the other end is provided with sample tap (9);
One thief rod (10), this thief rod sliding sleeve is in described stopple coupon (8), the end of described thief rod (10) is provided with sash weight (11), the top is provided with leveling board (12), one side of this leveling board (12) cooperates with the expansion link of described driving cylinder (7), the movement travel of cylinder expansion link cooperates with the move distance that described sash weight (11) is opened described sample tap (9), and the opposite side of leveling board cooperates with described sampling detector (6) contact;
One installing and locating frame (13), this locating rack (13) sliding sleeve and are fastenedly connected through securing member (14) and stopple coupon (8) on described stopple coupon (8) outer wall;
Be provided with a stage clip in the described sampling detector, its control end is connected with the contact through this stage clip, the top of corresponding contact is provided with an inching switch mechanism, described inching switch mechanism comprises that a bottom is installed on the support (15) on the described substrate (5), the horizontal feeler lever (16) that is rotationally connected with support (15) top and be bolted in fine setting screw rod (17) on the horizontal feeler lever (16), the bottom of described fine setting screw rod (17) is corresponding to the place, position, contact of described sampling detector (6), and the other end that described horizontal feeler lever (16) is gone up with respect to support (15) cooperates with described leveling board (12);
Described control device comprises a Programmable Logic Controller and an operation display interface, and the signal of described solvent solenoid valve, sampling detector and cylinder solenoid valve is imported in the described Programmable Logic Controller, and Programmable Logic Controller is connected with described operation display interface.
2. viscosity test regulating device according to claim 1 is characterized in that: also be provided with a detergent line (19) on the described stopple coupon, this pipeline one end is communicated with stopple coupon (8) is interior, and the other end is for cleaning inlet.
3. viscosity test regulating device according to claim 1, it is characterized in that: described substrate (5) upper edge drives cylinder expansion link direction of motion and is provided with a guide pole (18), to having gathering sill on the described leveling board of should guide pole (18) locating (12), formation is slidingly connected.
4. the viscosity test control method of a mixing material adopts the described device realization of claim 1, and its job step comprises:
(1) expansion link that drives cylinder rises, the upper limit timed unit that arrives cylinder solenoid valve obtains the upper limit signal, cylinder descends, thief rod descends with the sash weight self gravitation, obtain the lower limit signal by sampling detector, according to the clock pulse signal in the control device, be converted into viscosity number a by time representation;
(2) the viscosity number a that step (1) is drawn compares with nominal viscosity value b, when viscosity number a＞nominal viscosity value b, opens the solvent solenoid valve, adds dilute solution, the open dilution time of time for having set of solvent solenoid valve;
(3) control device is that starting point picks up counting to obtain the decline limit signal, reach the sample period of setting after, repeating step (1) and (2), and with the viscosity number a zero clearing in the step (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100222158A CN101329244B (en) | 2008-06-27 | 2008-06-27 | Method and device for testing and regulating viscosity of mixing liquid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100222158A CN101329244B (en) | 2008-06-27 | 2008-06-27 | Method and device for testing and regulating viscosity of mixing liquid |
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| CN101329244A CN101329244A (en) | 2008-12-24 |
| CN101329244B true CN101329244B (en) | 2010-10-06 |
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| CN104632189A (en) * | 2014-12-11 | 2015-05-20 | 聚亨通（天津）石油设备科技发展有限公司 | Automatic thickened oil detection system and automatic oil extraction assistant injection amount adjusting system |
| CN112869100B (en) * | 2020-12-30 | 2022-12-13 | 重庆德庄农产品开发有限公司 | Method for preparing braised chicken seasoning |
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