CN212514131U - Viscosity detection device for super glue - Google Patents
Viscosity detection device for super glue Download PDFInfo
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- CN212514131U CN212514131U CN202021850716.8U CN202021850716U CN212514131U CN 212514131 U CN212514131 U CN 212514131U CN 202021850716 U CN202021850716 U CN 202021850716U CN 212514131 U CN212514131 U CN 212514131U
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Abstract
The utility model provides a novel viscosity detection device of powerful glue, detection device includes test box, moves liquid equipment, pressure piece, time-recorder and likepowder etc. and it is slow to utilize the infiltration of powerful glue viscosity when big in the likepowder, and the fast principle of viscosity hour infiltration is through detecting the infiltration time of powerful glue in the likepowder to judge the viscosity of powerful glue fast. The viscosity detection device for the super glue has the advantages of low cost, rapidness, small amount of required samples, high sensitivity, good repeatability and the like, and can conveniently and rapidly detect the viscosity of the super glue, thereby ensuring the product quality of the super glue.
Description
Technical Field
The utility model relates to a viscosity test technical field particularly, relates to a viscosity detection device of super glue.
Background
The super glue is a single-component novel full-transparent solution glue, is cured at room temperature, is convenient to operate, has excellent characteristics of water resistance, oil resistance and acid and alkali resistance, is mainly used for mutual adhesion and self adhesion of materials such as soft PVC, synthetic leather, PU artificial leather, butyl rubber, vulcanized rubber and imitation sheepskin, and has excellent adhesion effect on soft PVC and iron plates and between metals such as steel plates.
The super glue is liquid glue, and the viscosity is an important index for measuring the quality of the super glue during production, so the viscosity needs to be detected. The viscosity here is not the adhesion of a super glue. However, the conventional viscosity detection device for common adhesives has the following problems when used for detecting the viscosity of super adhesives: 1. the viscosity of the super glue is lower and is generally lower than the range of the existing viscosity detection device, so that the existing viscosity detection device is not easy to accurately measure the viscosity of the super glue and is easy to generate errors; 2. when carrying out viscosity detection to super glue, generally through exerting pressure to it, according to super glue's volume and its flow time, calculate its viscosity, for avoiding super glue testing process, the condition that appears bonding needs to stir it, and for improving the detection accuracy, the flow that needs the adjustment discharge gate obtains multiunit data and compares simultaneously, and the testing process is more loaded down with trivial details, and the sample volume of needs is great, still need to adopt expensive instrument, and is with high costs.
In order to solve the problems, a device which is more convenient and faster, requires a small amount of samples and can accurately measure the viscosity of strong adhesive needs to be innovatively designed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel convenient and fast, low-cost, required sample volume is few, sensitivity is high, good reproducibility's powerful glue's viscosity detection device to prior art's defect and not enough. The detection device can rapidly judge the viscosity of the super glue by detecting the infiltration time of the super glue in the beech powder by utilizing the principle that the super glue is slowly infiltrated in the beech powder when the viscosity is high and is rapidly infiltrated when the viscosity is low, is particularly suitable for detecting the viscosity of the super glue and ensures the product quality of the super glue.
On the one hand, the utility model provides a viscosity detection device of powerful glue, including test box, liquid-transfering equipment, pressure piece, time-recorder and likepowder thing, wherein likepowder thing is adorned in the test box, and liquid-transfering equipment is used for moving and gets the sample that awaits measuring, and the pressure piece is used for flattening likepowder thing surface, and the time-recorder is used for taking notes the time of sample infiltration likepowder thing.
Further, the powder is wood flour.
Further, the wood flour is beech wood flour. When the zelkova schneideriana powder is used for detection, when the super glue permeates into the zelkova schneideriana powder, the color of the zelkova schneideriana powder contacting with the super glue is obviously darkened, the color difference is obvious, the observation is easy, the permeation time is long, the timing and the accurate measurement are convenient, the zelkova schneideriana powder is low in cost and easy to obtain, and the zelkova schneideriana powder is selected for the optimal wood powder for viscosity detection.
Further, the test box is of a multi-grid structure. The multi-grid structure is adopted, so that the viscosity of multiple groups of super glue can be measured, and the method is very convenient.
Further, the test box is of a 9-grid or 12-grid structure.
Furthermore, each grid of the test box is 5-20 cm long, 5-20 cm wide and 4-10 cm high.
Further, each cell size of the test cassette was 7.8cm long, 8.2cm wide, and 4cm high. The test box adopts suitable size, can make the operation more convenient, is convenient for detect multiunit sample to reduce unnecessary error (if the test box is high inadequately, make the super glue infiltration obstructed etc.).
Further, the pipetting device is a pipette gun.
Further, the range of the pipette is 0.1-1 ml. The liquid-transfering gun selects a proper measuring range, so that accurate sampling can be ensured, and the detection accuracy and sensitivity are improved.
Further, the pressure block is a weight, and the timer is a stopwatch.
Furthermore, the weight is 100-500 g, and the diameter of the bottom is 2-5 cm.
Further, the weight had a weight of 472g and a bottom diameter of 49 mm. The beech powder surface is compacted by adopting weights with certain weight and bottom area, so that the detection process is more accurate, and errors are reduced.
Further, the viscosity detection device also comprises tweezers for taking out the cured super glue so as to perform the next round of detection.
In another aspect, the present invention further provides a method for detecting the viscosity of a super glue, wherein the method comprises the following steps:
1) pouring the powder into a test box, and flattening a certain amount of powder to a certain thickness by using the bottom of a pressure block;
2) using a liquid transfer device to transfer the super glue to drop the powder, and pressing a timer to start timing at the moment of super glue dropping;
3) and pressing the timer at the moment when the super glue completely permeates into the powder, and recording the permeation time. Complete penetration of the super glue into the powder means that no super glue is visible on the surface of the powder.
Further, the powder is beech powder, or the pressure block is a weight, or the liquid-transferring equipment is a liquid-transferring gun, or the timer is a stopwatch.
Further, the powder is beech powder.
Further, the pressure block is a weight.
Further, the pipetting device is a pipette gun.
Further, the timer is a stopwatch.
Further, the steps are repeated at least 3 times, and an average value is obtained.
Furthermore, the test box is of a multi-grid structure, the size of each grid is 5-20 cm in length and 5-20 cm in width, and the height of the test box is 4-10 cm; every 100-500 g of beech powder is put into one grid of a test box and flattened by a weight to the thickness of 2-10 cm.
Furthermore, each grid of the test box is 7.8cm long, 8.2cm wide and 4cm high; each 100g of beech powder was packed into one cell of the test box and flattened to a thickness of 2.5cm with a weight.
The beech powder can be replaced by other wood powder, preferably beech powder. Because the viscosity of the super glue is different, the super glue with high viscosity slowly permeates into the beech wood flour, and the super glue with low viscosity rapidly permeates into the beech wood flour, the viscosity of the super glue can be judged according to the permeation time of the super glue in the beech wood flour.
Before detection, 0.15ml of super glue can be firstly taken and dripped into the beech powder, and after the super glue is completely infiltrated, the color displayed by the beech powder can be used as a color contrast for subsequent infiltration time measurement.
Further, the standard test conditions of the method are temperature (23 ± 2) ° c, relative humidity (50 ± 5)%; the volume of the super glue transferred in the step 2) is 0.15 ml.
Because the viscosity of super glue is relevant with test environment, viscosity can diminish when temperature or humidity are high, and viscosity can grow when temperature or humidity are low, consequently the utility model discloses detect under the selection standard test condition.
The super glue amount of moving and getting is too little probably not coming the timing, and the volume is too much probably to lead to the error big, selects the volume of 0.15ml can make things convenient for the ration more, consequently the utility model discloses select to carry out quantitative determination with 0.15 ml.
Further, the super glue and the detection device need to be placed under standard test conditions for at least 24h before detection.
Further, after the measurement of the penetration time is completed, the penetration time is also converted into the viscosity of the super glue. The utility model discloses a powerful glue of a set of known viscosity carries out the measuring of infiltration time, draws standard curve to detect the viscosity of other samples.
The utility model has the advantages that: the utility model provides a viscosity detection device of powerful glue, detection device includes test box, moves liquid equipment, pressure piece, time-recorder and likepowder etc. and it is slow to utilize the infiltration of powerful glue viscosity when big in the likepowder thing, and the fast principle of viscosity hour infiltration is through detecting the infiltration time of powerful glue in the likepowder thing to judge the viscosity of powerful glue fast. The viscosity detection device for the super glue has the advantages of low cost, rapidness, small amount of required samples, high sensitivity, good repeatability and the like, and can conveniently and rapidly detect the viscosity of the super glue, thereby ensuring the product quality of the super glue.
Drawings
Fig. 1 is a schematic structural diagram of a viscosity detection device for super glue provided in embodiment 1, wherein a test box has a 9-grid structure
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are intended to facilitate the understanding of the present invention and are not intended to limit the scope of the present invention.
Example 1 viscosity detection device for super glue
The device for detecting the viscosity of the super glue provided by the embodiment comprises a test box 1, a liquid transfer gun 2, a weight 3, a stopwatch 4, tweezers 5 and beech powder 6, wherein the beech powder 6 is arranged in the test box 1, the liquid transfer gun 2 is used for transferring a sample to be detected, the weight 3 is used for flattening the surface of the beech powder 6, and the stopwatch 4 is used for recording the time for the sample to permeate into the beech powder 6, as shown in fig. 1.
Preferably, the test cartridge 1 is a 9-grid structure, each grid having a length of 7.8cm, a width of 8.2cm, and a height of 4 cm.
Preferably, the weight 3 weighs 472g and the bottom diameter is 49 mm. The adoption of the weight 3 to compact the surface of the beech powder 6 can make the detection process more accurate and reduce errors.
EXAMPLE 2 selection of powders
The viscosity detection device of the super glue provided in embodiment 1 is adopted, wherein the zelkova powder is replaced by commercially available poplar powder, zelkova powder, sandalwood method and bamboo powder, and the super glue is TEKBOND 793 super glue produced by houjie new materials limited in hangzhou. The standard test conditions are temperature (23 +/-2) DEG C and relative humidity (50 +/-5)%, and before detection, the super glue and the detection device are firstly placed for at least 24h under the standard test conditions. The detection steps are as follows: pouring 100g of the four powders into a test box respectively, and flattening the surfaces of the four powders to 2.5cm thick by using the bottom of a weight; 0.15ml of super glue is removed by a liquid-removing gun and respectively dripped into the four kinds of powder, and a stopwatch is pressed to start timing at the moment of dripping; and pressing a stopwatch at the moment when the super glue completely permeates into the powder, and recording the permeation time. The results are shown in Table 1.
TABLE 1 Effect of different powders on the detection of Strong adhesive Strength
As can be seen from Table 1, when poplar powder is used for detection, the infiltration time is 1.8S, the color difference is obvious and easy to observe, and the cost is slightly high; when the sandalwood method is adopted for detection, the infiltration time is 1.6S, the method is fast, errors are easy to generate, the color difference is obvious and easy to observe, but the cost of the sandalwood method is high; when the bamboo powder is adopted for detection, the infiltration time is 1.9S, the cost is low, but the chromatic aberration is not obvious, and errors are easily caused; when the zelkova schneideriana powder is used for detection, the infiltration time is 2.2S, the infiltration time is longest, the detection sensitivity and accuracy can be improved, meanwhile, the chromatic aberration is very obvious, the timing observation is easy, and the cost is low. In conclusion, beech wood flour is the best choice for the powder for testing the adhesiveness of strong adhesive.
EXAMPLE 3 selection of the volume of the super glue sample
The viscosity measuring apparatus using the super glue provided in example 1 was used, wherein the wood flour was beech wood flour, and the super glue was TEKBOND 793 super glue manufactured by houjie new materials ltd, hangzhou, and the viscosity thereof was known to be 100 cps. The standard test conditions are temperature (23 +/-2) DEG C and relative humidity (50 +/-5)%, and before detection, the super glue and the detection device are firstly placed for at least 24h under the standard test conditions. The detection steps are as follows: pouring 100g of beech powder into a test box, and flattening the surface of the beech powder to 2.5cm of thickness by using the bottom of a weight; respectively transferring 0.05ml, 0.10 ml, 0.15ml, 0.20 ml and 0.30ml of super glue into the beech powder by using a liquid transfer gun, and pressing a stopwatch at the moment of dropping to start timing; pressing a stopwatch at the moment when the super glue completely permeates into the zelkova schneideriana powder, and recording the permeation time. The test was repeated 5 times per sample volume and the average deviation was calculated as the ratio of the sum of the absolute values of the deviations of the individual measurements to the number of measurements, and the results are shown in table 2.
TABLE 2 influence of the volume of the super glue sample on the detection effect of the viscosity of the super glue
| Experimental group | Volume of super glue sample | Average penetration time (S) | Mean deviation (%) |
| 1 | 0.05 | 1.8 | 1.04 |
| 2 | 0.1 | 2.0 | 0.25 |
| 3 | 0.15 | 2.2 | 0.1 |
| 4 | 0.2 | 2.3 | 0.1 |
| 5 | 0.3 | 2.5 | 0.15 |
As can be seen from table 2, when the volume of the super glue sample is 0.05ml, the sample amount is too small, the infiltration time is only 1.8S, the infiltration is too fast, timing may not be started, the error is increased, and the average deviation of 1.04% occurs in the viscosity measurement results five times; when the volume of the super glue sample is 0.1ml, the penetration time is 2.0S, and the average deviation of 0.25 percent still exists in five times of viscosity measurement results; when the sample volume is 0.15ml, the infiltration time is 2.2S, the infiltration time is proper, the viscosity measurement result is accurate, and the repeatability is good; when the sample volume is 0.2 or 0.3ml, the penetration time reaches 2.3S and 2.5S respectively, and the viscosity measurement result is more accurate. Comprehensively considering, when the sample volume of 0.15ml is selected, the length of the infiltration time is proper, the sample consumption is saved, the repeatability is good, and the accuracy and the sensitivity of the viscosity detection result are high.
Example 4 preparation of a Standard Curve
The device for detecting the viscosity of the super glue provided in embodiment 1 is adopted, wherein the wood powder is commercially available beech wood powder, the super glue is respectively tested by four types, named JOINLEADER495, JOINLEADER 401, JOINLEADER 406 and JOINLEADER 416, of TEKBOND 793 super glue produced by Hangzhou Huijie new materials Co., Ltd, the four types are super glue with known viscosity, the standard test conditions are adopted as temperature (23 +/-2) DEG C and relative humidity (50 +/-5)%, and the super glue and the detection device are firstly placed under the standard test conditions for at least 24h before detection. The detection steps are as follows: pouring 100g of beech powder into a test box, and flattening the surface of the beech powder to 2.5cm of thickness by using the bottom of a weight; respectively transferring 0.15ml of each super glue into the beech powder by using a liquid transfer gun, and pressing a stopwatch to start timing at the moment of dropping; pressing a stopwatch at the moment when the super glue completely permeates into the zelkova schneideriana powder, and recording the permeation time. The results are shown in Table 3.
TABLE 3 detection results of different super glue samples
| Experimental group | Name of super glue | Known viscosity (cps) | Penetration time (S) |
| 1 | JOINLEADER 495 | 50 | 1.1 |
| 2 | JOINLEADER 401 | 100 | 2.2 |
| 3 | JOINLEADER 406 | 20 | 0.3 |
| 4 | JOINLEADER 416 | 1600 | 41 |
According to the relation between the known viscosity and the infiltration time of the super glue sample, the viscosity of the super glue sample is used as an abscissa and the corresponding infiltration time is used as an ordinate of the standard curve, linear regression is carried out to obtain the standard curve, and the standard curve is that y is 0.0258x-0.2595(R is R)2＝0.9999)。
Example 5 comparison with conventional viscosity measurement method
This example was conducted in two groups, the first group using the detection apparatus provided in example 1 and the method described in example 3, wherein the sample volume was 0.15ml, and viscosity detection was conducted on TEKBOND 793 super glue produced by hough new materials limited, and the second group using the single cylinder rotational viscometer method provided in national standard GB/T2794-2013, wherein the single cylinder rotational viscometer was purchased from BROOK FIELD, and viscosity detection was conducted on TEKBOND 793 super glue produced by hough new materials limited, and the detection was repeated 3 times for each group, and the average deviation was calculated from the ratio of the sum of the absolute values of each single measurement deviation to the number of measurements, and the detection results are shown in table 4.
TABLE 4 comparison of different viscosity measurements
As can be seen from table 4, when the viscosity of the super glue is detected by using the conventional single-cylinder rotational viscometer method, the amount of the sample required each time is 250ml, the time required for each detection is 1-10min, the operation is complicated, the rotor and the protection frame need to be cleaned after each sample is detected, the next sample can be detected, the required time is long, the cost is high, the detection result is unstable due to the fact that the viscosity of the super glue is very low, and the average deviation between the detection results is large due to three repeated detections. When the viscosity detection device provided by the invention is used for detecting the viscosity of the super glue, the required sample amount is very small and is 0.15ml each time, the time required for each detection is 2-3S, the operation is convenient and quick, the next detection is carried out only by taking out the solidified super glue with tweezers after each sample is detected, the required time is short, the cost is low, and the repeatability of three detections is very good.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (10)
1. The utility model provides a viscosity detection device of super glue, its characterized in that includes test box, liquid-moving equipment, pressure piece, time-recorder and powder, and wherein the powder is adorned in the test box, and liquid-moving equipment is used for moving and gets the sample that awaits measuring, and the pressure piece is used for flattening the powder surface, and the time-recorder is used for recording the sample time of permeating the powder.
2. The viscosity sensing device of claim 1, wherein the powder is wood flour.
3. The viscosity sensing device of claim 2, wherein the wood flour is beech wood flour.
4. The viscosity testing device of claim 1, wherein the test cartridge is a multi-compartment structure.
5. The viscosity detection device according to claim 4, wherein the test box is a 9-grid or 12-grid structure, each grid has a length of 5-20 cm and a width of 5-20 cm, and the box height is 4-10 cm.
6. The viscosity detecting apparatus of claim 1, wherein the pipetting device is a pipette gun.
7. The viscosity testing device of claim 6, wherein the pipette has a range of 0.1 to 1 ml.
8. The viscosity measuring device according to claim 1, wherein the pressure block is a weight and the timer is a stopwatch.
9. The viscosity detecting device according to claim 8, wherein the weight has a weight of 100 to 500g and a bottom diameter of 2 to 5 cm.
10. The viscosity measuring device according to claim 1, further comprising tweezers for removing the cured super glue.
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| CN112033859A (en) * | 2020-08-31 | 2020-12-04 | 杭州汇杰新材料有限公司 | Device and method for detecting viscosity of super glue |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112033859A (en) * | 2020-08-31 | 2020-12-04 | 杭州汇杰新材料有限公司 | Device and method for detecting viscosity of super glue |
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Address after: 311200 No.165 Hongda Road, Qiaonan block, Xiaoshan Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Saint Gobain Huijie (Hangzhou) new material Co.,Ltd. Address before: 311200 No.165 Hongda Road, Qiaonan block, Xiaoshan Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Huijie New Materials Co.,Ltd. |
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