Viscosity detection device for waterborne polyurethane waterproof coating

Abstract

The utility model relates to the technical field of viscosity detection, in particular to a waterborne polyurethane waterproof coating viscosity detection device which comprises a base, a lifting adjusting mechanism, a temperature probe and a heating sleeve. The upper portion of the base is fixedly connected with a supporting column and a heating sleeve, a lifting adjusting mechanism is arranged in the supporting column and connected with a main machine and a temperature probe, a motor and a temperature control panel are arranged in the main machine, a rotating shaft of the motor is connected with a rotor, and a protection frame is arranged outside the rotor. The rotor and the temperature probe are located above the heating sleeve, and the protective frame and the temperature probe do not interfere with each other in space; the temperature control panel is respectively connected with the temperature sensor and the heating sleeve and is used for closed-loop control of the temperature of the to-be-tested sample. The device is simple in structure and convenient to use, can simultaneously adjust the height of the temperature probe and the height of the rotor, is more convenient to use, can control the temperature of a sample to be detected, and ensures the accuracy of viscosity detection.

Description

Technical Field

[0001] The utility model relates to the technical field of viscosity detection, in particular to a viscosity detection device for waterborne polyurethane waterproof coating. Background Technique

[0002] Waterborne polyurethane waterproof coating is a kind of waterproof material, belonging to the environmentally friendly polymer elastic waterproof material. The product is non-toxic and odorless, has good adhesion and water impermeability, has strong adhesion to mortar cement base surface, stone, and metal products. The chemical properties of the product are stable, can withstand long-term sunlight irradiation, has high strength, large elongation, good elasticity, and good waterproof effect, and has good application prospects in building waterproof projects.

[0003] The viscosity of waterborne polyurethane waterproof coating is one of the performance indicators of waterborne polyurethane products, which has an important impact on the quality, stability, and construction process of waterproof coatings; the viscosity of waterborne polyurethane waterproof coating changes with temperature. Specifically, when the temperature is below -5°C, the emulsion almost loses its fluidity and causes emulsion denaturation, and this process is irreversible. When the temperature is below 15°C, the emulsion viscosity changes significantly with temperature. When the temperature is above 15°C, the emulsion viscosity changes not very significantly with temperature. Especially when the temperature is above 35°C, the emulsion viscosity hardly changes with temperature.

[0004] For the detection of emulsion viscosity, existing ones mostly use digital display viscometers, but the temperature is not easy to control during the detection process. Therefore, when detecting the viscosity of waterborne polyurethane waterproof coating, especially when detecting under low-temperature environmental conditions, the detection result error is large, affecting the accuracy of the detection result and not facilitating the control of product quality; therefore, a detection device that can stably control the detection sample during the viscosity detection process of waterborne polyurethane waterproof coating, thereby effectively ensuring the measurement accuracy, is a problem that needs to be solved currently. Content of the Utility Model

[0005] The purpose of the utility model is to provide a viscosity detection device for waterborne polyurethane waterproof coating aiming at the above-mentioned deficiencies of the prior art, so as to achieve the purpose of controlling the temperature of the sample during the sample detection process.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a viscosity detection device for waterborne polyurethane waterproof coating, including a base, the upper part of the base is fixedly connected with a support column and a heating sleeve respectively. An elevating adjustment mechanism is arranged in the support column, and the elevating adjustment mechanism is respectively connected with a main machine and a temperature probe. The main machine is connected with a rotor, and the rotor and the temperature probe are located above the heating sleeve.

[0007] Furthermore, a chute is provided inside the support column. The cross-section of the chute is square. An opening is provided on one side of the support column, and the opening communicates with the chute. A slider is provided in the lifting and adjusting mechanism. The slider is located in the chute and fits with the chute. The slider is connected to the lead screw. The lower part of the lead screw is connected to a bearing, and the bearing is fixedly connected to the support column. The upper part of the lead screw extends out of the support column and is connected to a handle. The slider is respectively connected to the main body and the temperature probe.

[0008] Furthermore, the slider is connected to the main body through a main body connecting frame, and the slider is connected to the temperature probe through a temperature probe connecting frame. A motor is provided in the main body. The rotating shaft of the motor is connected to the rotor. Protective frames are provided on both sides of the rotor. The protective frames are connected to the motor, and the protective frames and the temperature probe do not interfere with each other in space.

[0009] Furthermore, a temperature control panel is provided in the main body, and the temperature control panel is respectively connected to the temperature control probe and the heating sleeve.

[0010] Furthermore, heating wires are provided inside the heating sleeve.

[0011] Furthermore, the heating wires are resistance wires made of nickel-chromium material and are sealed in high-temperature resistant alkali-free glass fiber.

[0012] Advantages of the utility model:

[0013] 1. The lifting and adjusting mechanism can simultaneously adjust the heights of the temperature probe and the rotor, making the adjustment more convenient and rapid.

[0014] 2. By providing the heating sleeve, temperature sensor and temperature control panel, closed-loop control of the temperature of the sample to be measured can be achieved, thus effectively ensuring the accuracy of the viscosity detection of the waterborne polyurethane waterproof coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 is a schematic diagram of the structure of the lifting and adjusting mechanism of the utility model;

[0017] Figure 3 is a schematic diagram of the internal structure of the heating sleeve of the utility model.

[0018] Names corresponding to each mark in the figure:

[0019] 1. Base; 2. Support column; 21. Groove; 22. Slide groove; 3. Lifting adjustment mechanism; 31. Handle; 32. Lead screw; 33. Slide block; 34. Bearing; 35. Mainframe connection bracket; 36. Temperature probe connection bracket; 4. Mainframe; 41. Temperature control panel; 42. Motor; 421. Protective frame; 5. Rotor; 6. Temperature probe; 7. Heating sleeve; 71. Electric heating wire; 8. Beaker. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present invention.

[0021] Embodiments of the present invention:

[0022] As Figures 1-3 shown, in this embodiment, a base 1 is provided, a support column 2 and a heating sleeve 7 are fixedly provided on the base 1, a lifting adjustment mechanism 3 is provided in the support column 2, the lifting adjustment mechanism 3 is respectively connected to the mainframe 4 and the temperature probe 6, the mainframe 4 is connected to the rotor 5, a protective frame 421 is provided outside the rotor 5 (the protective frame 421 is connected to the front end of the motor 42, but not to the rotating shaft, and the protective frame 421 does not rotate during use), a beaker 8 is placed in the heating sleeve 7, a sample to be measured is placed in the beaker 8, the temperature probe 6 and the rotor 5 are located above the beaker 8, and can extend into the beaker 8 through the lifting adjustment mechanism 3.

[0023] A slide groove 22 is provided inside the support column 2. The cross-section of the slide groove 22 is square. A groove 21 is provided on one side of the support column 2. The groove 21 communicates with the slide groove 22. A square slide block 33 is provided in the slide groove 22. The slide block 33 fits with the slide groove 22. The slide block 33 is threadedly connected to the lead screw 32. A bearing 34 is provided at the bottom of the lead screw 32. The bearing 34 is fixedly connected to the support column 2. The upper end of the lead screw 32 extends outside the support column 2 and is connected to the handle 31.

[0024] The slider 33 is connected to the main machine 42 through the main machine connecting frame 35, and is connected to the temperature probe 6 through the temperature probe connecting frame 36 (generally, a thread is provided at the front end of the temperature probe 6, and it can be directly screwed onto the temperature probe connecting frame 36 through the thread). A motor 42 is provided in the main machine 4. The motor 42 is connected to the rotor 5 through a thread. At the same time, a temperature control panel 41 is provided in the main machine 4. The temperature control panel 41 is respectively connected to the heating sleeve 7 and the temperature probe 6. An electric heating wire 71 is provided in the heating sleeve 7. The electric heating wire 71 is a resistance wire made of nickel-chromium material and is sealed in an insulating layer. The insulating layer is high-temperature-resistant alkali-free glass fiber, and the glass fiber is woven into a heating layer and arranged in the heating sleeve 7.

[0025] The principle of the present utility model is as follows:

[0026] When the present utility model is in use, a rotor 5 of a suitable specification is selected and installed below the motor 42. In the process, the rotor 5 is an existing one, and is connected to the rotating shaft of the motor 42 by a threaded connection method. The present utility model has not made any improvement herein and will not be elaborated further.

[0027] Then, the beaker 8 containing the sample to be measured is placed in the heating sleeve 7. In the process, the height of the main machine 4 and the temperature probe 6 can be adjusted by rotating the handle 31. When the scale on the rotor 5 is immersed in the sample to be measured, the detection can be started. At this time, the temperature required for heating the sample to be measured is set through the temperature control panel 41, and then the heating of the sample to be measured can be realized. When the heating reaches the set temperature (such as 40 °C), the viscosity of the sample to be measured is read at this time, ensuring the accuracy of the measurement.

[0028] In the above process, the closed-loop control of the temperature through the temperature control panel 41 (temperature controller) is an existing mature technology, which is not difficult for those skilled in the art to understand, and its principle and the like will not be elaborated further. In addition, for the measurement of viscosity, the existing digital display viscometer is also an existing mature technology and will not be elaborated further.

[0029] For the electric heating wire 71 in the heating sleeve 7 of the present utility model, a resistance wire made of nickel-chromium material is used and sealed in high-temperature-resistant alkali-free glass fiber, and then the high-temperature-resistant alkali-free glass fiber is woven. This is widely used in the laboratory heating sleeve 7 in the prior art and will not be elaborated further.

Claims

1. An apparatus for detecting the viscosity of a waterborne polyurethane waterproof coating, characterized in that: It includes a base (1), above which a support column (2) and a heating sleeve (7) are fixedly connected respectively. A lifting and adjusting mechanism (3) is arranged in the support column (2), and the lifting and adjusting mechanism (3) is connected to a main body (4) and a temperature probe (6) respectively. The main body (4) is connected to a rotor (5), and the rotor (5) and the temperature probe (6) are located above the heating sleeve (7).

2. The viscosity detection device for the waterborne polyurethane waterproof coating according to claim 1, wherein: A chute (22) is arranged inside the support column (2). The cross-section of the chute (22) is square. An opening (21) is arranged on one side of the support column (2), and the opening (21) communicates with the chute (22). A slider (33) is arranged in the lifting and adjusting mechanism (3). The slider (33) is located in the chute (22) and fits with the chute (22). The slider (33) is connected to a lead screw (32). The lower part of the lead screw (32) is connected to a bearing (34), and the bearing (34) is fixedly connected to the support column (2). The upper part of the lead screw (32) extends out of the support column (2) and is connected to a handle (31). The slider (33) is connected to the main body (4) and the temperature probe (6) respectively.

3. The viscosity detection device for a waterborne polyurethane waterproof coating according to claim 2, characterized in that: The slider (33) is connected to the main body (4) through a main body connecting frame (35), and the slider (33) is connected to the temperature probe (6) through a temperature probe connecting frame (36). A motor (42) is arranged in the main body (4). The rotating shaft of the motor (42) is connected to the rotor (5). Protective frames (421) are arranged on both sides of the rotor (5). The protective frames (421) are connected to the motor (42), and the protective frames (421) and the temperature probe (6) do not interfere with each other in space.

4. The viscosity detection device for the waterborne polyurethane waterproof coating according to claim 1, wherein: A temperature control panel (41) is arranged in the main body. The temperature control panel (41) is connected to the temperature control probe (6) and the heating sleeve (7) respectively.

5. The viscosity detection device for a waterborne polyurethane waterproof coating according to claim 4, characterized in that: An electric heating wire (71) is arranged inside the heating sleeve (7).

6. The viscosity detection device for a waterborne polyurethane waterproof coating according to claim 5, characterized in that: The electric heating wire (71) is a resistance wire made of nickel-chromium material and is sealed in high-temperature resistant alkali-free glass fiber.

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