CN113075389A - Workstation for automatically testing pH value of textile and testing method - Google Patents
Workstation for automatically testing pH value of textile and testing method Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 131
- 239000004753 textile Substances 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 134
- 238000001514 detection method Methods 0.000 claims abstract description 88
- 239000007788 liquid Substances 0.000 claims abstract description 81
- 238000004140 cleaning Methods 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000003860 storage Methods 0.000 claims abstract description 28
- 238000000605 extraction Methods 0.000 claims abstract description 22
- 239000000243 solution Substances 0.000 claims description 34
- 230000001681 protective effect Effects 0.000 claims description 19
- 230000010355 oscillation Effects 0.000 claims description 17
- 241001411320 Eriogonum inflatum Species 0.000 claims description 14
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 235000011164 potassium chloride Nutrition 0.000 claims description 7
- 239000001103 potassium chloride Substances 0.000 claims description 7
- 239000000872 buffer Substances 0.000 claims description 6
- 239000007853 buffer solution Substances 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims 3
- 239000000835 fiber Substances 0.000 abstract description 10
- 230000033001 locomotion Effects 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000001139 pH measurement Methods 0.000 description 2
- 206010040880 Skin irritation Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
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- 239000012530 fluid Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/36—Textiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
- B08B9/28—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
- B08B9/28—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking
- B08B9/34—Arrangements of conduits or nozzles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a workstation for automatically testing the pH value of a textile, which comprises: board, a plurality of oscillating mechanism, first multiaxis remove module, liquid feeding mechanism, second multiaxis and remove module, detection mechanism, wiper mechanism and calibration contrast group, and the last tray of having placed of oscillating mechanism, be provided with a plurality of places on the tray, wiper mechanism includes: the cleaning device comprises a water storage pump, a cylinder electromagnetic valve and a cleaning head, wherein the water storage pump is connected with the cleaning head, the water storage pump is connected with a water source, and the cylinder electromagnetic valve is connected with an air source. According to the invention, through the cleaning mechanism sleeved on the test electrode, after the detection mechanism detects the pH value, the detection part is cleaned in time to remove fibers and debris adhered to the detection mechanism immersed in the extraction liquid, and after the cleaning is finished, the cleaning mechanism blows high-pressure air to blow the surface of the detection mechanism to be dry, so that the detection mechanism is kept clean and dry, the influence on subsequent detection work is avoided, and the accuracy of a detection result is improved.
Description
Technical Field
The invention relates to the technical field of automatic detection of textiles, in particular to a workstation and a testing method for automatic testing of pH value of textiles.
Background
The human skin is weakly acidic, and can prevent the invasion of germs under the environmental condition, so that the pH value of the textile is favorable for protecting the health of human body if the pH value is in a slightly acidic or neutral range; conversely, too high or too low pH of the textile destroys the ecological balance and resistance of the skin, which may cause skin irritation or induce infection leading to the invasion of germs. Therefore, the pH value test of textiles has been one of the clearly required items in the industry. In the textile industry, pH value detection of textiles is generally carried out by placing textiles chopped into small samples in a flask, filling an extraction liquid into the flask, fully oscillating and dissolving, and then carrying out pH value detection, thereby measuring the pH value of the textiles to be detected. After the existing test system is oscillated and dissolved, a liquid transfer mechanism is adopted to sample a mixed solution in a flask, and then a sample liquid is injected into a detection beaker to detect the pH value of the sample liquid in the beaker. This method requires multiple pipetting, and although the pipetting mechanism is cleaned, the solution remains, which affects the results of the subsequent pH measurement.
Accordingly, the prior art is deficient and needs improvement.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a workstation and a testing method for automatically testing the pH value of a textile.
The technical scheme of the invention is as follows: there is provided a workstation for automated testing of the ph of textiles, comprising: board, cover are located protective housing body on the board, set up in a plurality of oscillating mechanism on the board, set up in the first multiaxis of board one side removes the module, set up in liquid feeding mechanism on the first multiaxis removes the module, set up in the second multiaxis of board opposite side removes the module, set up in detection mechanism on the second multiaxis removes the module, set up in wiper mechanism on the detection mechanism and set up in calibration contrast group on the board, the tray has been placed on the oscillating mechanism, be provided with a plurality of places positions on the tray, liquid feeding mechanism and detection mechanism side all are provided with gets and covers the mechanism, wiper mechanism includes: the cleaning device comprises a water storage pump, an air cylinder electromagnetic valve and a cleaning head, wherein the water storage pump is arranged in the machine table, the air cylinder electromagnetic valve is connected with the water storage pump, the cleaning head is arranged on the detection mechanism, the water storage pump is connected with the cleaning head, the water storage pump is connected with a water source, and the air cylinder electromagnetic valve is connected with an air source.
Further, the liquid adding mechanism comprises: set up in injection mechanism on the board, set up in add liquid support on the first multiaxis removes the module and set up in annotate a plurality of liquid heads on the liquid support, injection mechanism includes: servo motor, with lead screw, cover that servo motor connects are located sliding block on the lead screw and with the syringe pump that the sliding block is connected, the filling head is connected to the syringe pump, the sliding block side is provided with photoelectric switch.
Further, the detection mechanism includes: set up in electrode holder on the second multiaxis removal module, set up in electrode lift cylinder on the electrode holder, set up in linkage piece on the output of electrode lift cylinder and set up in a plurality of test electrode on the linkage piece, the cleaning head cover is located on the test electrode, the cover is equipped with the electrode cover body on the test electrode.
Further, the oscillation mechanism includes: set up in eccentric wheel mechanism on the board, set up in a plurality of first guide rails of eccentric wheel mechanism side, erect in a plurality of first sliders on the first guide rail, set up in second guide rail on the first slider, erect in second slider on the second guide rail and set up in the board that shakes on second slider and the eccentric wheel mechanism, first guide rail and second guide rail mutually perpendicular, the tray is placed on the board that shakes.
Further, the calibration sample group comprises a protective solution and a plurality of buffer solutions, wherein the protective solution is a potassium chloride solution, distilled water or deionized water, and the concentration of the potassium chloride solution is 0.1 mol/L.
The invention also provides an automatic testing method for the pH value of the textile, which comprises the following steps:
step 1: taking a textile to be detected, and cutting the textile into equal samples;
step 2: preparing three parallel samples for each sample group, weighing the parallel samples in the same weight for each sample group, respectively putting the weighed samples into a flask, and tightly covering a bottle stopper on the flask;
and step 3: placing flasks belonging to the same sample group in adjacent placing positions on a tray in sequence, and then placing the tray on an oscillating plate of an oscillating mechanism;
and 4, step 4: the first multi-axis moving module moves the liquid adding support above the tray, a bottle stopper on the flask is filled with extract liquor from a liquid adding head through a cap taking mechanism arranged beside the liquid adding support, and then the bottle stopper is tightly covered on the flask;
and 5: starting an oscillating mechanism, and carrying out oscillation extraction on the sample for 2 hours;
step 6: the second multi-axis moving module moves the detection mechanism to the position above the calibration sample group to protect and calibrate the test electrode;
and 7: the second multi-axis moving module moves the detection mechanism which finishes the calibration to the position above the oscillation mechanism which finishes the oscillation work;
and 8: sequentially immersing the test electrode into three parallel samples in the same sample group to measure the pH values of the three parallel samples;
and step 9: starting a cleaning mechanism, cleaning the test electrode, and immersing the test electrode in the protective solution;
step 10: and carrying out the next round of detection until the detection process is finished.
Further, the specific steps of step 6 are:
step 6.1: the second multi-axis moving module moves the detection mechanism to the position above the calibration sample group to drive the test electrode to move downwards, so that the test electrode is immersed in the protection solution;
step 6.2: the second multi-axis moving module extracts the test electrodes from the protective solution, and then sequentially moves the test electrodes to the positions above different buffers and immerses the test electrodes into the buffers.
Further, the specific steps of step 8 are:
step 8.1: a cap removing mechanism arranged beside the test electrode takes out the bottle stopper on the flask, and then the second multi-axis moving module immerses the test electrode in the depth of 10mm below the liquid level of the first sample until the detection pH value of the test electrode is stable;
step 8.2: the testing electrode is not cleaned, and the testing electrode is soaked in a depth of 10mm below the liquid level of a second sample of the same sample group until the detection pH value of the testing electrode is stable;
step 8.3: the testing electrode is not cleaned, and the testing electrode is soaked in a depth of 10mm below the liquid level of a third sample of the same sample group until the detection pH value of the testing electrode is stable;
step 8.4: the system takes the detection pH indications of the second sample and the third sample, and calculates the average value of the pH indications of the two samples as the pH value of the samples;
step 8.5: the cap taking mechanism covers the bottle stopper on the flask tightly.
Further, the specific steps of step 9 are:
step 9.1: the electrode lifting cylinder moves the test electrode to the height position of the cleaning head;
step 9.2: the cylinder electromagnetic valve is communicated with an air source, and the cleaning liquid in the water storage pump is blown out through high-pressure air so as to wash the surface of the test electrode;
step 9.3: after the cleaning liquid in the water storage pump is exhausted, the cleaning head continuously sends high-pressure air out, and the residual liquid attached to the surface of the test electrode is dried;
step 9.4: the cylinder electromagnetic valve cuts off the air source, stops blowing the high-pressure air, and simultaneously injects cleaning liquid into the water storage tank from the water source;
step 9.5: the second multi-axis mobile module drives the test electrode to be immersed in the protection liquid.
By adopting the scheme, after the detection mechanism detects the pH value, the cleaning mechanism sleeved on the test electrode timely cleans the detection to remove fibers and scraps adhered to the detection mechanism immersed in the extraction liquid, and after the cleaning is finished, the cleaning mechanism blows high-pressure air to blow the surface of the detection mechanism to dry, so that the detection mechanism is kept clean and dry, the influence on subsequent detection work is avoided, and the accuracy of a detection result is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a schematic view of the injection mechanism.
Fig. 4 is a schematic structural diagram of the liquid adding mechanism.
Fig. 5 is a schematic structural view of the detection mechanism.
Fig. 6 is a schematic structural view of the oscillating mechanism.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Referring to fig. 1 and 2, the present invention provides a workstation for automatically testing ph of textiles, comprising: the device comprises a machine table 1, a protective cover body 11 covering the machine table 1, a plurality of oscillating mechanisms 2 arranged on the machine table 1, a first multi-axis moving module 31 arranged on one side of the machine table 1, a liquid adding mechanism 4 arranged on the first multi-axis moving module 31, a second multi-axis moving module 32 arranged on the other side of the machine table 1, a detection mechanism 5 arranged on the second multi-axis moving module 32, a cleaning mechanism 6 arranged on the detection mechanism 5, and a calibration comparison group 7 arranged on the machine table 1. The oscillating mechanism 2 is provided with a tray 21, and the tray 21 is provided with a plurality of placing positions 211. And a cover taking mechanism 8 is arranged beside the liquid adding mechanism 4 and the detection mechanism 5. The cleaning mechanism 6 includes: the cleaning device comprises a water storage pump arranged in the machine table 1, a cylinder electromagnetic valve connected with the water storage pump, and a cleaning head 61 arranged on the detection mechanism 5. The water storage pump is connected with the cleaning head, the water storage pump is connected with a water source, and the cylinder electromagnetic valve is connected with an air source.
When the device works, a textile to be detected is cut into a plurality of samples, the samples are divided into a plurality of sample groups, three parallel samples with the same quantity are weighed for each sample group, and the parallel samples are respectively placed in flasks. The flasks containing the same set of parallel samples were placed in order in adjacent placement positions 211 on the tray 21, and the tray 21 was placed on the oscillation mechanism 2. And starting the liquid adding mechanism 4, injecting the extraction liquid into the flask, and oscillating and shaking the flask uniformly through the oscillating mechanism 2 to accelerate the contact of the extraction liquid and the sample so as to accelerate the dissolution of the sample. Meanwhile, the detection mechanism 5 is immersed in the calibration control group 7 for calibration and protection. After the oscillating dissolution is finished, the detection mechanism 5 moves to the upper part of the flask, the pH values of three parallel samples in the same group are sequentially detected without cleaning the detection mechanism 5, and the system selects the pH values of the next two samples and calculates the average value of the pH values, so that the pH value of the textile to be detected is obtained.
After the detection mechanism 5 completes the detection of the pH value, the cleaning head is moved to the corresponding height position of the cleaning head 61, the cylinder solenoid valve is switched on, the high-pressure gas blows out the liquid in the water storage pump and washes the detection mechanism 5, so as to wash away the residual solution or adhered fibers and debris on the detection mechanism 5, and the surface of the detection mechanism 5 is clean. After the liquid in the water storage pump is used up, the cleaning head 61 continues to blow out high-pressure gas, so that the water attached to the detection mechanism 5 is dried, the detection mechanism 5 is kept dry and clean, and the subsequent detection result is prevented from being influenced.
Referring to fig. 3 and 4, the liquid adding mechanism 4 includes: the injection mechanism 41 is arranged on the machine table 1, the liquid adding support 42 is arranged on the first multi-axis moving module 31, and the liquid adding heads 43 are arranged on the liquid adding support 42. The injection mechanism 41 includes: the injection device comprises a servo motor 411, a screw rod 412 connected with the servo motor 411, a sliding block 413 sleeved on the screw rod 412, and an injection pump 414 connected with the sliding block 413. The syringe pump 414 is connected with the liquid adding head 43, and the sliding block 413 is provided with a photoelectric switch 415 at the side. The servo motor 411 drives the slide block 413 to reciprocate along the screw rod 412, thereby controlling the liquid pumping and injection of the injection pump 414. Meanwhile, the real-time position of the sliding block 413 is detected through the photoelectric switch 415, and the moving distance of the sliding block 413 is limited, so that the injection amount of each action of the injection pump 414 is controlled, and the same amount of the extraction liquid in each beaker is ensured.
Referring to fig. 5, the detecting mechanism 5 includes: an electrode holder 51 disposed on the second multi-axis moving module 32, an electrode lifting cylinder 52 disposed on the electrode holder 51, a linkage block 53 disposed on an output end of the electrode lifting cylinder 52, and a plurality of test electrodes 54 disposed on the linkage block 53. The cleaning head 61 is sleeved on the testing electrode 54. The test electrode 54 is sleeved with an electrode cover body. After the sample is shaken and dissolved in the extraction solution, many fibers and debris are generated, and the fibers and debris are easy to adhere or wrap on the test electrode 54, thereby affecting the normal use of the test electrode 54. Therefore, the electrode cover body sleeved on the test electrode 54 blocks the fibers and the debris, and the fibers and the debris are prevented from influencing the normal operation of the test electrode 54. When the test electrode 54 is in operation, the electrode lift cylinder 52 is actuated to move the test electrode 54 downward out of the range of the cleaning head 61 to facilitate pH sensing. After the detection is completed, the electrode lifting cylinder 62 is reset, so that the test electrode 54 is lifted to a height position corresponding to the cleaning head 61, and the cleaning head 61 can clean the test electrode 54 and the electrode cover body conveniently.
Referring to fig. 6, the oscillating mechanism 2 includes: set up in eccentric wheel mechanism 22 on board 1, set up in a plurality of first guide rails 231 of eccentric wheel mechanism 22 side, erect in a plurality of first sliders 232 on first guide rail 231, set up in second guide rail 241 on the first slider 232, erect in second slider 242 on the second guide rail 241 and set up in second slider 242 and the oscillating plate on eccentric wheel mechanism 22. The first guide rail 231 and the second guide rail 241 are perpendicular to each other. The tray 21 is placed on an oscillation plate. When starting the oscillation procedure, eccentric wheel mechanism 22 begins the function for the vibration board drives tray 21 and carries out circular motion in the plane, thereby rocks the flask, promotes the contact of the extraction liquid in the flask with the sample, improves dissolving efficiency. In the process of performing oscillation dissolution, the first slider 232 and the second slider 242 respectively move on the first guide rail 231 and the second guide rail 241, so as to provide guidance and support for the movement of the oscillation plate, and improve the stability of the oscillation movement.
The calibration sample group 7 comprises a protection solution and a plurality of buffer solutions, wherein the protection solution is a potassium chloride solution, distilled water or deionized water, and the concentration of the potassium chloride solution is 0.1 mol/L. The protective solution is a near-neutral solution, and the test electrode 54 is soaked in the protective solution, so that the acid-base balance of the test electrode 54 can be kept, and the detection effect of the test electrode 54 can be calibrated. The buffer solution may hinder the change of the pH value of the test electrode 54, thereby maintaining the pH value stable before the test electrode 54 contacts the extraction solution to improve the accuracy of the detection result. At normal temperature, the pH value of the potassium chloride solution with the concentration of 0.1mol/L is close to 7, the pH values of the distilled water and the deionized water are close to 7, the solutions belong to near-neutral liquids, the test electrode 54 can be protected, the stability of the pH value on the test electrode 54 is maintained, and meanwhile, the test electrode 54 is calibrated, so that the accuracy of the detection result is improved.
The invention also provides an automatic testing method for the pH value of the textile, which comprises the following steps:
step 1: and taking the textile to be detected, and cutting the textile into equivalent samples.
Step 2: each appearance group prepares three parallel samples, and each parallel sample weight of weighing is the same to in putting the sample after will weighing into the flask respectively, cover the bottle plug on the flask, avoid the entering of impurity, the extraction liquid spills over when avoiding follow-up vibration to dissolve on the oscillation mechanism 2 simultaneously.
And step 3: flasks belonging to the same group were sequentially placed in adjacent placing positions 211 on the tray 21, and the tray 21 was placed on the oscillating plate of the oscillating mechanism 2.
And 4, step 4: the first multi-axis moving module 31 moves the liquid adding support 42 to the upper part of the tray 21, and the bottle stopper on the flask is filled with the extraction liquid from the liquid adding head 43 through the cap taking mechanism 8 arranged at the side of the liquid adding support 42, and then the bottle stopper is tightly covered on the flask. The liquid taking and adding amount of the syringe pump 414 is controlled by the servo motor 411 of the liquid adding mechanism 4, thereby ensuring that the amount of the extraction liquid in each flask is the same.
And 5: starting the oscillating mechanism 2, oscillating the sample for 2 hours to promote the contact of the extraction liquid and the sample and accelerate the extraction speed of the sample.
Step 6: the second multi-axis moving module 32 moves the detecting mechanism 5 to above the calibration sample set 7, and protects and calibrates the test electrodes 54.
Step 6.1: the second multi-axis moving module 32 moves the detection mechanism 5 above the calibration sample set 7, and drives the test electrode 54 to move downward, so that the test electrode 54 is immersed in the protective solution. The test electrode 54 is calibrated by a near neutral protective solution having a pH near 7 by immersing the test electrode in the protective solution to improve the accuracy of the test electrode.
Step 6.2: the second multi-axis movement module 32 extracts the test electrodes 54 from the protective solution and then moves the test electrodes 54 sequentially over and into different buffers. The buffer solution may impede the change in the pH of the test electrode 54, thereby stabilizing the pH prior to contacting the test electrode with the extraction fluid to improve the accuracy of the test results. Two to three buffers are selected to enhance the protection of the test electrodes 54 based on the corresponding components of the textile being tested.
And 7: the second multi-axis movement module 32 moves the detection mechanism 5, which has completed the calibration, to above the oscillation mechanism 2, which has finished the oscillation work.
And 8: the test electrode 54 is immersed in three parallel samples of the same set in sequence, and the pH values of the three parallel samples are measured.
Step 8.1: the bottle stopper on the flask is taken out by the cover taking mechanism 8 arranged at the side of the test electrode 54, and then the second multi-axis moving module 32 immerses the test electrode 54 in the first sample liquid level for a depth of 10mm until the detection pH value of the test electrode 54 is stable.
Step 8.2: without cleaning the test electrode 54, the test electrode 54 is immersed in a second sample of the same set at a depth of 10mm below the surface of the liquid until the pH detected by the test electrode 54 stabilizes.
Step 8.3: without cleaning the test electrode 54, the test electrode 54 was immersed in a third sample of the same set at a depth of 10mm below the surface of the liquid until the pH of detection by the test electrode 54 stabilized.
Step 8.4: the system takes the detected pH indications of the second sample and the third sample, and calculates the average value of the pH indications of the two samples as the pH value of the sample.
Step 8.5: the cap taking mechanism 8 tightly covers the bottle stopper on the flask.
And step 9: the cleaning mechanism 6 is activated to clean the test electrodes 54, and then the test electrodes 54 are immersed in the protective solution. The test electrodes 54 are cleaned by the cleaning mechanism 6 to remove textile fibers, debris or residual extraction liquid attached to the test electrodes 54, thereby avoiding contamination of the protective solution to ensure calibration and protection of the test electrodes 54.
Step 9.1: the electrode elevation cylinder 52 moves the test electrode 54 to a height position where the cleaning head 61 is located.
Step 9.2: the cylinder electromagnetic valve is communicated with an air source, and the cleaning liquid in the water storage pump is blown out through high-pressure air so as to wash the surface of the test electrode 54 and remove the residual extraction liquid, fibers and debris on the surface of the test electrode 54.
Step 9.3: after the cleaning liquid in the water storage pump is exhausted, the cleaning head 61 continuously sends out high-pressure air, and the residual liquid attached to the surface of the test electrode 54 is dried, so that the pollution or the influence on the pH value of the protection liquid is avoided.
Step 9.4: the cylinder solenoid valve cuts off the air supply, stops blowing of highly-compressed air, simultaneously, and the water source pours into washing liquid into the aqua storage tank to carry out next cleaning.
Step 9.5: the second multi-axis moving module 32 drives the test electrodes 54 to be immersed in the protection solution,
to calibrate and protect the clean and dry test electrode 54 that completes the cleaning operation.
Step 10: and carrying out the next round of detection until the detection process is finished.
The invention adopts the modes of automatic liquid adding, oscillation extraction and detection, realizes the automatic detection process of the pH value of the textile, simultaneously carries out multiple groups of tests and improves the test efficiency. The detection mechanism 5 is calibrated and protected in the detection process, so that the detection effect is improved. Compared with the existing test equipment and test process, the invention can ensure the cleaning effect and avoid the influence on the accuracy of the detection result caused by the pollution of the extraction liquid in the liquid transferring process, thereby improving the stability and the accuracy of the test workstation and meeting the large-batch detection requirements of textile and clothing production enterprises and textile detection laboratories.
In summary, according to the invention, through the cleaning mechanism sleeved on the test electrode, after the detection mechanism detects the pH value, the detection part is cleaned in time to remove fibers and debris adhered to the detection mechanism after being immersed in the extraction liquid, and after the cleaning is completed, the cleaning mechanism blows out high-pressure air to blow dry the surface of the detection mechanism, so that the detection mechanism is kept clean and dry, and the influence on subsequent detection work is avoided, thereby improving the accuracy of the detection result.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A workstation for automated testing of the ph of a textile, comprising: board, cover are located protective housing body on the board, set up in a plurality of oscillating mechanism on the board, set up in the first multiaxis of board one side removes the module, set up in liquid feeding mechanism on the first multiaxis removes the module, set up in the second multiaxis of board opposite side removes the module, set up in detection mechanism on the second multiaxis removes the module, set up in wiper mechanism on the detection mechanism and set up in calibration contrast group on the board, the tray has been placed on the oscillating mechanism, be provided with a plurality of places positions on the tray, liquid feeding mechanism and detection mechanism side all are provided with gets and covers the mechanism, wiper mechanism includes: the cleaning device comprises a water storage pump, an air cylinder electromagnetic valve and a cleaning head, wherein the water storage pump is arranged in the machine table, the air cylinder electromagnetic valve is connected with the water storage pump, the cleaning head is arranged on the detection mechanism, the water storage pump is connected with the cleaning head, the water storage pump is connected with a water source, and the air cylinder electromagnetic valve is connected with an air source.
2. The workstation for the automatic test of textile pH value according to claim 1, characterized in that said liquid adding mechanism comprises: set up in injection mechanism on the board, set up in add liquid support on the first multiaxis removes the module and set up in annotate a plurality of liquid heads on the liquid support, injection mechanism includes: servo motor, with lead screw, cover that servo motor connects are located sliding block on the lead screw and with the syringe pump that the sliding block is connected, the filling head is connected to the syringe pump, the sliding block side is provided with photoelectric switch.
3. The workstation for the automated test of alkalinity-acidity of textiles according to claim 1, wherein said detection mechanism comprises: set up in electrode holder on the second multiaxis removal module, set up in electrode lift cylinder on the electrode holder, set up in linkage piece on the output of electrode lift cylinder and set up in a plurality of test electrode on the linkage piece, the cleaning head cover is located on the test electrode, the cover is equipped with the electrode cover body on the test electrode.
4. The workstation for the automated test of alkalinity acidity of textiles according to claim 1, wherein said oscillating mechanism comprises: set up in eccentric wheel mechanism on the board, set up in a plurality of first guide rails of eccentric wheel mechanism side, erect in a plurality of first sliders on the first guide rail, set up in second guide rail on the first slider, erect in second slider on the second guide rail and set up in the board that shakes on second slider and the eccentric wheel mechanism, first guide rail and second guide rail mutually perpendicular, the tray is placed on the board that shakes.
5. The workstation for textile pH value automated testing according to claim 1, characterized in that the calibration sample group comprises a protective solution and several buffer solutions, the protective solution is potassium chloride solution, distilled water or deionized water, and the concentration of the potassium chloride solution is 0.1 mol/L.
6. An automatic testing method for the pH value of a textile is characterized by comprising the following steps:
step 1: taking a textile to be detected, and cutting the textile into equal samples;
step 2: preparing three parallel samples for each sample group, weighing the parallel samples in the same weight for each sample group, respectively putting the weighed samples into a flask, and tightly covering a bottle stopper on the flask;
and step 3: placing flasks belonging to the same sample group in adjacent placing positions on a tray in sequence, and then placing the tray on an oscillating plate of an oscillating mechanism;
and 4, step 4: the first multi-axis moving module moves the liquid adding support above the tray, a bottle stopper on the flask is filled with extract liquor from a liquid adding head through a cap taking mechanism arranged beside the liquid adding support, and then the bottle stopper is tightly covered on the flask;
and 5: starting an oscillating mechanism, and carrying out oscillation extraction on the sample for 2 hours;
step 6: the second multi-axis moving module moves the detection mechanism to the position above the calibration sample group to protect and calibrate the test electrode;
and 7: the second multi-axis moving module moves the detection mechanism which finishes the calibration to the position above the oscillation mechanism which finishes the oscillation work;
and 8: sequentially immersing the test electrode into three parallel samples in the same sample group to measure the pH values of the three parallel samples;
and step 9: starting a cleaning mechanism, cleaning the test electrode, and immersing the test electrode in the protective solution;
step 10: and carrying out the next round of detection until the detection process is finished.
7. The automatic test method for the pH value of the textile according to claim 6, wherein the concrete steps of the step 6 are as follows:
step 6.1: the second multi-axis moving module moves the detection mechanism to the position above the calibration sample group to drive the test electrode to move downwards, so that the test electrode is immersed in the protection solution;
step 6.2: the second multi-axis moving module extracts the test electrodes from the protective solution, and then sequentially moves the test electrodes to the positions above different buffers and immerses the test electrodes into the buffers.
8. The automatic test method for the pH value of the textile according to claim 6, wherein the specific steps of the step 8 are as follows:
step 8.1: a cap removing mechanism arranged beside the test electrode takes out the bottle stopper on the flask, and then the second multi-axis moving module immerses the test electrode in the depth of 10mm below the liquid level of the first sample until the detection pH value of the test electrode is stable;
step 8.2: the testing electrode is not cleaned, and the testing electrode is soaked in a depth of 10mm below the liquid level of a second sample of the same sample group until the detection pH value of the testing electrode is stable;
step 8.3: the testing electrode is not cleaned, and the testing electrode is soaked in a depth of 10mm below the liquid level of a third sample of the same sample group until the detection pH value of the testing electrode is stable;
step 8.4: the system takes the detection pH indications of the second sample and the third sample, and calculates the average value of the pH indications of the two samples as the pH value of the samples;
step 8.5: the cap taking mechanism covers the bottle stopper on the flask tightly.
9. The automatic test method for the pH value of the textile according to claim 6, wherein the specific steps of the step 9 are as follows:
step 9.1: the electrode lifting cylinder moves the test electrode to the height position of the cleaning head;
step 9.2: the cylinder electromagnetic valve is communicated with an air source, and the cleaning liquid in the water storage pump is blown out through high-pressure air so as to wash the surface of the test electrode;
step 9.3: after the cleaning liquid in the water storage pump is exhausted, the cleaning head continuously sends high-pressure air out, and the residual liquid attached to the surface of the test electrode is dried;
step 9.4: the cylinder electromagnetic valve cuts off the air source, stops blowing the high-pressure air, and simultaneously injects cleaning liquid into the water storage tank from the water source;
step 9.5: the second multi-axis mobile module drives the test electrode to be immersed in the protection liquid.
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Application publication date: 20210706 |