CN220508716U - Unsaturated polyester resin viscosity testing device - Google Patents
Unsaturated polyester resin viscosity testing device Download PDFInfo
- Publication number
- CN220508716U CN220508716U CN202321903659.9U CN202321903659U CN220508716U CN 220508716 U CN220508716 U CN 220508716U CN 202321903659 U CN202321903659 U CN 202321903659U CN 220508716 U CN220508716 U CN 220508716U
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- cover plate
- face
- water bath
- tank
- tank cover
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- 238000012360 testing method Methods 0.000 title claims abstract description 17
- 229920006337 unsaturated polyester resin Polymers 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 20
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Abstract
The utility model discloses an unsaturated polyester resin viscosity testing device, which relates to the field of viscosity testing and comprises a computer main body, a bearing plate, a water bath tank, a tank cover plate, capillaries and a stabilizing mechanism, wherein the computer main body is fixedly arranged on the upper end surface of the bearing plate; through the cooperation of above-mentioned structure, can reduce the factor that produces the water flow when detecting to keep the stability of capillary position, reach the effect that promotes experimental result accuracy.
Description
Technical Field
The utility model relates to the technical field of viscosity test, in particular to an unsaturated polyester resin viscosity test device.
Background
The polyester polycondensation reaction is carried out at 190-220 ℃ until the expected acid value (or viscosity) is reached, a certain amount of vinyl monomer is added when the temperature is hot after the polyester polycondensation reaction is finished to prepare viscous liquid, the polymer solution is called unsaturated polyester resin, the viscosity is measured by a capillary method, the viscosity is a common unsaturated polyester resin viscosity measuring method, and the kinematic viscosity is in direct proportion to the flowing time when the liquid flows in an upright capillary tube in a state of completely wetting the tube wall at a certain temperature.
Such as Chinese patent: publication number CN208366768U a viscosity tester, it relates to the test instrument field, aims at solving the not high problem of current viscosity tester measurement accuracy. The technical scheme is characterized by comprising a base, wherein a water bath box is arranged on the base, a cover plate is arranged at the top of the water bath box, a plurality of through holes are formed in the cover plate, U-shaped capillaries are inserted in the through holes, the capillaries are fixed with the cover plate through clamps, the clamps comprise fixing plates sleeved on the capillaries, and fixing clamps used for fastening the capillaries are fixedly arranged on the top wall of the fixing plates; the fixed disk bottom wall is provided with a plurality of inserted bars, the apron roof is provided with a plurality of and corresponds inserted bar inlay card complex jack. The utility model achieves the effect of improving the measurement precision of the viscosity tester.
Although the effect of improving the measurement accuracy of the viscosity tester is achieved, in the specific measurement process, the rotation of the stirrer can lead to water flow, the water flow can influence the stability of the capillary below the liquid level, and further the capillary is caused to move slightly, so that the detection accuracy is influenced.
For this purpose, we propose an unsaturated polyester resin viscosity test device.
Disclosure of Invention
The utility model provides an unsaturated polyester resin viscosity testing device capable of improving accuracy of a detection result.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an unsaturated polyester resin viscosity testing arrangement, includes computer main part, loading board, water bath, jar body apron, capillary and stabilizing mean, and computer main part fixed mounting is at the up end of loading board, and water bath fixed mounting is at the up end of loading board, and jar body apron fixed mounting is at the up end of water bath, and capillary demountable installation is at the up end of jar body apron.
The stabilizing mechanism comprises an air pressure balance valve and a heating pipe, the heating pipe is fixedly arranged on the upper end face of the tank cover plate, the bottom of the heating pipe extends to the inner cavity of the water bath tank and is uniformly distributed in a spiral shape, and the air pressure balance valve is fixedly arranged on the upper end face of the tank cover plate.
Preferably, the upper end face of the tank cover plate is connected with a mounting plate through internal and external screw threads in a matched manner, the capillary tube penetrates through the mounting plate, and the outer wall of the capillary tube is in sliding fit with the inner wall of the mounting plate.
Preferably, the upper end of the tank cover plate is rotatably provided with a mounting rod, and the outer wall of the mounting rod is provided with a test tube clamp.
Preferably, the upper end face of the tank cover plate is fixedly provided with a water inlet pipe, the upper end face of the bearing plate is fixedly provided with a preheating cylinder, the inner cavity of the preheating cylinder is communicated with the inner cavity of the water bath tank, and the water inlet pipe penetrates through the side wall of the preheating cylinder.
Preferably, the upper end face of the tank cover plate is fixedly provided with a water level monitor, the outer wall of the water inlet pipe is fixedly provided with an electromagnetic valve, and the electromagnetic valve is controlled by a water level signal of the water level monitor.
Preferably, the upper end face of the preheating cylinder is fixedly connected with a cylinder cover plate, and the outer wall of the cylinder cover plate is fixedly connected with a thermometer.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the air pressure balance valve and the heating pipe are arranged, so that the air pressure of the inner cavity of the water bath tank can be balanced when the water bath is heated, the air pressure of the inner cavity of the water bath tank is prevented from being too high to push the tank cover plate, the capillary tube is ensured to be in a stable working environment, the heating pipe is uniformly distributed in the inner cavity of the water bath tank in a spiral manner, the solution in the inner cavity of the water bath tank can be uniformly heated after the water bath tank is electrified, the solution temperature in the inner cavity of the water bath tank is further ensured to be uniform as much as possible, the factor of generating water flow can be reduced when the water bath tank is detected, the stability of the position of the capillary tube is maintained, and the effect of improving the accuracy of experimental results is achieved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the installation of a preheating cylinder in the present utility model;
FIG. 3 is a schematic view showing the internal structure of the preheating cylinder in the present utility model;
FIG. 4 is a schematic diagram showing the internal structure of the water bath tank in the present utility model.
In the figure: 1. a computer main body; 2. a carrying plate; 3. a water level monitor; 4. an air pressure balance valve; 5. an electromagnetic valve; 6. a preheating cylinder; 7. a water bath tank; 8. a barrel cover plate; 9. a thermometer; 10. a water inlet pipe; 11. a can cover; 12. a test tube clamp; 13. a mounting plate; 14. a capillary tube; 15. and (5) heating the pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, an unsaturated polyester resin viscosity testing device in the drawings includes a computer main body 1, a bearing plate 2, a water bath tank 7, a tank cover plate 11, a capillary tube 14 and a stabilizing mechanism, wherein the computer main body 1 is fixedly installed on an upper end surface of the bearing plate 2, and the computer main body 1 is the same as a control box disclosed in a viscosity tester of chinese patent CN208366768U, and redundant description is omitted herein.
The water bath 7 fixed mounting is in the up end of loading board 2, and water bath 7 is used for the holding hot water, and jar body apron 11 fixed mounting is in the up end of water bath 7, and capillary 14 demountable installation is at jar body apron 11's up end, and capillary 14 extends to the inner chamber of water bath 7 to realize the water bath heating of capillary 14.
When the viscosity of the unsaturated polyester resin is detected, the viscosity of the unsaturated polyester resin sample is injected into the inner cavity of the capillary tube 14, the liquid level change at the thin end of the capillary tube 14 is observed after the sample is heated in a water bath, and the viscosity value of the viscosity of the unsaturated polyester resin is calculated through analysis and processing of data by the computer main body 1.
The stabilizing mean includes atmospheric pressure balanced valve 4 and heating pipe 15, and heating pipe 15 fixed mounting is at jar body apron 11's up end, and common resistance heating pipe is selected for use to heating pipe 15 for to the heating of water bath 7 inner chamber solution, atmospheric pressure balanced valve 4 can be when the water bath heats, and the atmospheric pressure of balanced water bath 7 inner chamber prevents that water bath 7 inner chamber atmospheric pressure from being too high promotes jar body apron 11, thereby guarantees that capillary 14 is in stable operational environment.
The bottom of heating pipe 15 extends to the inner chamber of water bath 7, and is heliciform evenly distributed, and atmospheric pressure balanced valve 4 fixed mounting is at the up end of jar body apron 11, and heating pipe 15 evenly distributed can evenly heat water bath 7 inner chamber solution after the circular telegram, and then guarantees water bath 7 inner chamber solution temperature as far as, can reduce the factor that produces the water flow when detecting to keep the stability of capillary 14 position, reach the effect that promotes experimental result accuracy.
The upper end face of the tank cover plate 11 is connected with the mounting plate 13 through internal and external screw threads, a plurality of threaded holes matched with the mounting plate 13 are formed in the upper end face of the tank cover plate 11, and a plurality of mounting plates 13 can be mounted on the upper end face of the tank cover plate 11.
The capillary tube 14 penetrates through the mounting plate 13, the outer wall of the capillary tube 14 is in sliding fit with the inner wall of the mounting plate 13, preliminary fixing of the capillary tube 14 and the mounting plate 13 is achieved through friction force between the inner wall of the mounting plate 13 and the outer wall of the capillary tube 14, and detachable connection of the capillary tube 14 and the tank cover plate 11 is achieved through the mounting plate 13.
In order to realize the sealing connection of the mounting disc 13 and the tank cover plate 11, a rubber ring is arranged on the bottom surface of the mounting disc 13, and an annular groove matched with the rubber ring is arranged on the upper end surface of the tank cover plate 11.
Example 2
Referring to fig. 1-4, this embodiment further illustrates example 1:
the upper end of jar body apron 11 rotates and installs the installation pole, and the outer wall of installation pole is provided with test tube clamp 12, and test tube clamp 12 is used for centre gripping capillary 14, improves the fixed stability of capillary 14.
The upper end face of the tank cover plate 11 is fixedly provided with a water inlet pipe 10, and the water inlet pipe 10 is used for injecting reagent into the inner cavity of the water bath tank 7 when the liquid level in the inner cavity of the water bath tank 7 is lowered.
In order to avoid scale formation inside the water bath 7 as much as possible, distilled water is used as the reagent injected into the inner cavity of the water bath 7 in this embodiment.
The up end fixed mounting of loading board 2 has a preheating cylinder 6, the inner chamber of preheating cylinder 6 communicates with the inner chamber of water bath 7 each other, the distilled water that heats through heating pipe 15 can flow into the inner chamber of preheating cylinder 6, thereby make the liquid temperature of preheating cylinder 6 and water bath 7 inner chamber keep unanimous as far as possible, liquid through preheating cylinder 6 inner chamber preheats the water in the inlet tube 10, in the in-process of injecting distilled water into water bath 7 inner chamber, can reduce the change of water bath 7 inner chamber water temperature as far as, prevent the temperature suddenly drop, protection capillary 14 simultaneously, prevent the cooling to lead to the unsaturated polyester resin liquid level that is located capillary 14 tip to descend.
The water inlet pipe 10 runs through the side wall of the preheating cylinder 6, and the water inlet pipe 10 positioned in the inner cavity of the preheating cylinder 6 is spirally distributed, so that the preheating time length can be prolonged.
The up end fixed mounting of jar body apron 11 has water level monitor 3, and water level monitor 3 comprises water level sensor and singlechip, and the outer wall fixed mounting of inlet tube 10 has solenoid valve 5, and solenoid valve 5 passes through the water level signal control of water level monitor 3, and when water level sensor monitored water level and reduces, switches on inlet tube 10 through singlechip control solenoid valve 5, for water bath 7 inner chamber replenishment distilled water, adaptation long-time detection work.
The upper end face fixedly connected with barrel apron 8 of preheating section of thick bamboo 6, the outer wall fixedly connected with thermometer 9 of barrel apron 8, the temperature detection end of thermometer 9 extends to the inner chamber of preheating section of thick bamboo 6 for the temperature of real-time detection preheating section of thick bamboo 6 and water bath 7 inner chamber, when the temperature is higher than 90, thermometer 9 is through logical sensor control heating pipe 15 outage, thereby stops the heating, prevents the boiling of water body in water bath 7 inner chamber, guarantees that capillary 14 is in stable operational environment.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process-method-article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process-method-article or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes-modifications-substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides an unsaturated polyester resin viscosity testing arrangement, includes computer main part (1), loading board (2), water bath (7), jar body apron (11), capillary (14) and stabilizing mean, its characterized in that: the computer main body (1) is fixedly arranged on the upper end face of the bearing plate (2), the water bath tank (7) is fixedly arranged on the upper end face of the bearing plate (2), the tank cover plate (11) is fixedly arranged on the upper end face of the water bath tank (7), and the capillary tube (14) is detachably arranged on the upper end face of the tank cover plate (11);
the stabilizing mechanism comprises an air pressure balance valve (4) and a heating pipe (15), the heating pipe (15) is fixedly arranged on the upper end face of the tank cover plate (11), the bottom of the heating pipe (15) extends to the inner cavity of the water bath tank (7) and is uniformly distributed in a spiral shape, and the air pressure balance valve (4) is fixedly arranged on the upper end face of the tank cover plate (11);
the upper end face of the tank cover plate (11) is connected with a mounting disc (13) through internal and external screw threads in a matched manner, the capillary tube (14) penetrates through the mounting disc (13), and the outer wall of the capillary tube (14) is in sliding fit with the inner wall of the mounting disc (13);
the upper end of the tank cover plate (11) is rotatably provided with a mounting rod, and the outer wall of the mounting rod is provided with a test tube clamp (12);
the upper end face of the tank cover plate (11) is fixedly provided with a water inlet pipe (10), the upper end face of the bearing plate (2) is fixedly provided with a preheating cylinder (6), the inner cavity of the preheating cylinder (6) is communicated with the inner cavity of the water bath tank (7), and the water inlet pipe (10) penetrates through the side wall of the preheating cylinder (6);
the upper end face of the tank cover plate (11) is fixedly provided with a water level monitor (3), the outer wall of the water inlet pipe (10) is fixedly provided with an electromagnetic valve (5), and the electromagnetic valve (5) is controlled by a water level signal of the water level monitor (3);
the upper end face of the preheating cylinder (6) is fixedly connected with a cylinder cover plate (8), and the outer wall of the cylinder cover plate (8) is fixedly connected with a thermometer (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321903659.9U CN220508716U (en) | 2023-07-19 | 2023-07-19 | Unsaturated polyester resin viscosity testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321903659.9U CN220508716U (en) | 2023-07-19 | 2023-07-19 | Unsaturated polyester resin viscosity testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220508716U true CN220508716U (en) | 2024-02-20 |
Family
ID=89868965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321903659.9U Active CN220508716U (en) | 2023-07-19 | 2023-07-19 | Unsaturated polyester resin viscosity testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220508716U (en) |
-
2023
- 2023-07-19 CN CN202321903659.9U patent/CN220508716U/en active Active
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