Online rheometer

Abstract

The utility model relates to the technical field of rheometers, and provides an online rheometer which comprises a fixed frame, a rheometer main body is arranged outside the fixed frame, a detection mechanism is arranged inside the rheometer main body, the detection mechanism comprises a rotating blade used for stirring a solution to be detected and a detection assembly connected with the rotating blade, and the detection assembly is connected with the fixed frame. The detection assembly is used for detecting the rheological property of the to-be-detected solution through the rotating blade. According to the utility model, the innovative detection mechanism is arranged, and the sealing and separating design is adopted, so that the conditions that the detection accuracy is influenced and the cleaning is troublesome due to the fact that a solution to be detected enters a detection part due to traditional shaft connection can be effectively avoided; through the magnetic attraction effect, the rotating blades and other parts can be conveniently and rapidly disassembled or assembled, and the rheological property of the blocking force generated by rotation of the rotating blades in the solution to be detected can be detected through the detection assembly through the magnetic attraction effect.

Description

Technical Field

[0001] The utility model relates to the technical field of rheometers, in particular to an online rheometer. Background Art

[0002] Rheometer is an instrument used to study the mechanical behavior of a substance during its flow process. It measures the rheological properties of a substance, including viscosity, elasticity, plasticity, viscoelasticity, etc., by applying a certain stress or strain. However, during the testing of the solution to be tested, the rheometer applies a certain stress or strain to the substance to measure the response of the substance, thereby deriving the rheological properties of the substance. Therefore, the accuracy of the testing of the solution to be tested is extremely important.

[0003] For example, patent number CN221124205U discloses a highly accurate rheometer, which improves the stability of the rheological barrel by limiting the rheological barrel, and improves the stability by setting a first anti-skid pad and a second anti-skid pad, thereby improving the accuracy of the experiment and other advantages.

[0004] When testing a solution to be tested, an existing rheometer limits and fixes the rheological barrel to ensure the stability of the rheological barrel during the testing of the solution to be tested, thereby improving the accuracy of the test data. However, during the testing of the solution to be tested, the rotating detection structure usually requires the detection component (rotating blades and rotating rods) to be extended into the solution to be tested to test the solution, which can easily cause the solution to be tested to enter the detection component through the gap between the rotating rods, and thus easily cause slight deviations in the data after the test. The detection accuracy of the solution to be tested needs to be improved. Utility Model Content

[0005] The utility model aims to provide an online rheometer, which solves the problem in the related art that the solution to be tested enters the interior of the detection component through the gap between the rotating rods, which easily causes slight deviations in the data after the test.

[0006] In order to achieve the above-mentioned utility model object, the utility model provides the following technical solutions: an online rheometer, comprising a fixed frame, a rheometer body is arranged outside the fixed frame, a detection mechanism is arranged inside the rheometer body, the detection mechanism comprises a rotating blade for stirring a solution to be tested, and a detection component connected to the rotating blade, the detection component is used to detect the rheological properties of the solution to be tested through the rotating blade;

[0007] An adjustment mechanism is also provided inside the fixed frame, and the adjustment mechanism is used to drive the rheometer body to move up and down; a placement plate is fixedly connected to the bottom surface of the fixed frame, and a holding barrel directly under the rotating blade is placed on the upper surface of the placement plate, as well as a clamping mechanism for clamping and fixing the holding barrel.

[0008] The utility model provides that the detection mechanism also includes a first servo motor installed inside the rheometer body, the output shaft of the first servo motor passes through the rheometer body and is fixedly connected to a first connecting cylinder, the bottom surface of the first connecting cylinder is provided with a second connecting cylinder, and the detection mechanism also includes a magnetic attraction component located inside the first connecting cylinder. By arranging the first servo motor, it is possible to facilitate the rotation of the rotating blade through the magnetic attraction component, so that the rotating blade can be extended into the solution to be tested and rotated, so that the rotating blade can detect the solution to be tested through the detection component.

[0009] The utility model provides a magnetic attraction component including a first electric push rod fixed to the top wall of the first connecting tube, a magnetic block is fixed to the output end of the first electric push rod, and a magnetic ring is located directly below the magnetic block and rotatably cooperates with the inner wall of the second connecting tube, and the bottom surface of the magnetic ring is fixedly connected to a rotating rod connected to a rotating leaf. By setting the magnetic attraction component, it is convenient to separate the first connecting tube and the second connecting tube, and the second connecting tube can be quickly installed or disassembled. The separation design can effectively prevent the solution to be tested from entering the detection component after infiltrating into the solution to be tested, and the rotation of the magnetic ring and the rotating leaf can be driven by the magnetic block.

[0010] The utility model provides a detection component including a protective sleeve fixed on the bottom surface of the first connecting tube, and a torque sensor fixed on the bottom surface of the first connecting tube and located inside the protective sleeve. The output end of the torque sensor is fixedly connected with a magnetic column. By setting up the detection component and adopting a sealed separation design, the detection accuracy can be better improved, and the solution to be tested can be effectively prevented from entering the interior of the detection component through the shaft connection to affect the detection data.

[0011] The utility model provides that the detection mechanism also includes a stabilizing disk fixed to the inner wall of the second connecting tube and rotatably cooperated with the rotating rod. The bottom surface of the first connecting tube is fixedly connected with a sealing ring adapted to the annular groove on the upper surface of the second connecting tube. By setting the stabilizing disk, it is possible to facilitate stable support of the magnetic ring and prevent the solution to be tested from entering the interior of the second connecting tube during the detection process.

[0012] The utility model provides an adjusting mechanism comprising a slide groove provided on the outer surface of a fixed frame, and a second servo motor installed in a reserved groove on the upper surface of the fixed frame, the output end of the second servo motor is fixedly connected with a screw rod rotatably matched with the inner bottom wall of the fixed frame, the outer surface of the screw rod is threadedly connected with a wire ring connecting rod connected to the rheometer body, and the outer surface of the wire ring connecting rod is slidably matched with the inner wall of the slide groove. By setting the adjusting mechanism, it is possible to better control the height of the rheometer body and the detection mechanism, so that it is possible to facilitate the penetration of the rotating blade into the interior of the containing barrel, without manually controlling the depth value of the rotating blade in the containing barrel, thereby effectively avoiding the situation where the rotating blade is manually pushed into the solution to be tested, causing the solution to be tested to overflow, thereby greatly improving the practicality and convenience of the overall device.

[0013] The utility model provides that the adjustment mechanism also includes a sliding bar fixed on the outer surface of the fixed frame, and a sliding sleeve fixed on the outer surface of the rheometer body and slidably matched with the sliding bar. By arranging the sliding bar and the sliding sleeve, it is possible to better facilitate limited sliding during the up and down movement of the rheometer body, and effectively improve the stability during the up and down movement.

[0014] The utility model provides a clamping mechanism comprising an arc-shaped clamping plate fixed on the upper surface of a placing plate, and an arc-shaped clamping plate facing two directions of a containing barrel, the clamping mechanism also comprises a telescopic rod connected to the fixing plate and the arc-shaped clamping plate, and a second electric push rod installed in a reserved hole on the outer surface of a fixing frame, the output end of the second electric push rod is fixedly connected with a pushing ring, the clamping mechanism also comprises a transmission plate hinged to the pushing ring and the outer tube of the telescopic rod, by arranging the clamping mechanism, the containing barrel can be better clamped and fixed, and the containing barrel can be conveniently clamped and fixed directly below the coaxial rotating blade, so that the rotating blade can detect the solution to be tested at the center position in the containing barrel, avoiding deviation of the detection data caused by rotating detection at the edge, and the device can be suitable for containing barrels of different sizes, greatly improving the practicality and application range of the overall device.

[0015] Technical effects and advantages of the utility model:

[0016] 1. The utility model provides an innovative detection mechanism and adopts a sealed separation design, which can effectively avoid the situation in which the solution to be tested enters the detection component due to the traditional shaft connection, affecting the accuracy of the detection and the trouble of cleaning. The magnetic attraction effect not only facilitates the rapid disassembly or installation of the rotating blade and other components, but also allows the resistance force generated by the rotation of the rotating blade in the solution to be tested to be detected through the detection component for rheological properties. The setting of the adjustment mechanism and the clamping mechanism can facilitate the control of the up and down movement of the detection mechanism and the clamping and fixing of the containing bucket directly below the rotating blade, thereby improving the accuracy of the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the overall device of the utility model;

[0018] Figure 2 It is a three-dimensional structural cross-sectional view of the adjustment mechanism of the utility model;

[0019] Figure 3 It is a cross-sectional view of the three-dimensional structure of the detection mechanism of the utility model;

[0020] Figure 4 It is a three-dimensional structure sectional exploded diagram of the detection mechanism of the utility model;

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the clamping mechanism of the utility model. DETAILED DESCRIPTION

[0022] The utility model provides an online rheometer.

[0023] The technical solutions provided by the present utility model are described in detail below in conjunction with the embodiments, but they should not be understood as limiting the protection scope of the present utility model.

[0024] Example 1

[0025] It can be seen from the above embodiments that the utility model provides an online rheometer, including a fixed frame 1, a rheometer body 2 is arranged outside the fixed frame 1, a detection mechanism 3 is arranged inside the rheometer body 2, the detection mechanism 3 includes a rotating blade 301 for stirring the solution to be tested, and a detection component connected to the rotating blade 301, the detection component is used to detect the rheological properties of the solution to be tested through the rotating blade 301.

[0026] refer to Figures 1 to 4 The setting of the detection mechanism 3, by adopting a sealed separation design, can effectively avoid the axial connection between traditional detection components, which causes the solution to be tested to enter the detection component during the rotation process and affect the accuracy of the detection, and can be convenient for quick disassembly, cleaning and quick installation. The resistance force encountered by the rotation of the rotating blade 301 in the solution to be tested is transmitted to the detection component, so that the detection component can perform rheological detection on the solution to be tested.

[0027] The detection mechanism 3 also includes a first servo motor 302 installed inside the rheometer body 2. The output shaft of the first servo motor 302 passes through the rheometer body 2 and is fixedly connected to a first connecting cylinder 303. A second connecting cylinder 304 is provided on the bottom surface of the first connecting cylinder 303. The detection mechanism 3 also includes a magnetic attraction component located inside the first connecting cylinder 303. By providing the first servo motor 302, it is convenient to drive the rotating blade 301 to rotate through the magnetic attraction component, so that the rotating blade 301 can be extended into the solution to be tested to rotate, and the rotating blade 301 can detect the solution to be tested through the detection component.

[0028] The first connecting tube 303 and the second connecting tube 304 are separately arranged, which can effectively prevent the solution to be tested from entering the detection component during the rotation detection process and affecting the detection accuracy of the solution to be tested.

[0029] The magnetic attraction component includes a first electric push rod 305 fixed to the inner top wall of the first connecting cylinder 303, the output end of the first electric push rod 305 is fixedly connected to a magnetic block 306, and a magnetic ring 307 is located directly below the magnetic block 306 and rotatably cooperates with the inner wall of the second connecting cylinder 304, and the bottom surface of the magnetic ring 307 is fixedly connected to a rotating rod 308 connected to the rotating blade 301. By setting up the magnetic attraction component, it is convenient to separate the first connecting cylinder 303 and the second connecting cylinder 304, and the second connecting cylinder 304 can be quickly installed or disassembled. The separation design can effectively prevent the solution to be tested from entering the detection component after infiltrating into the solution to be tested.

[0030] The setting of the magnetic attraction component can not only improve the sealing performance of the detection mechanism 3, but also facilitate the quick disassembly or installation of the second connecting tube 304, and facilitate the cleaning of the rotating blade 301 and other components after the detection is completed. By starting the first electric push rod 305, the output end of the first electric push rod 305 pushes the magnetic block 306 to move up and down, thereby adjusting the distance between the magnetic block 306 and the magnetic ring 307, so that the magnetic attraction between the magnetic block 306 and the magnetic ring 307 can quickly and accurately install the second connecting tube 304 and other components, and the magnetic attraction between the magnetic block 306 and the magnetic ring 307 can drive the rotating rod 308 and the rotating blade 301 to rotate in the solution to be tested.

[0031] The detection component includes a protective sleeve 309 fixed on the bottom surface of the first connecting cylinder 303, and a torque sensor 3010 fixed on the bottom surface of the first connecting cylinder 303 and located inside the protective sleeve 309. The output end of the torque sensor 3010 is fixedly connected to a magnetic column 3011. By setting up the detection component and adopting a sealed separation design, the accuracy of the detection can be better improved, and the solution to be tested can be effectively prevented from entering the interior of the detection component through the shaft connection and affecting the detection data.

[0032] When the rotating blade 301 is used to facilitate rotation detection of the solution to be tested, the rotating blade 301 is subjected to the resistance force generated by the solution to be tested in the solution to be tested, so that the resistance force can be transmitted to the magnetic ring 307 through the rotating rod 308, and then the magnetic ring 307 is slightly rotated by the resistance force, and the magnetic ring 307 transmits the resistance force to the magnetic column 3011 through the magnetic attraction between the magnetic ring 307 and the magnetic column 3011, and then the change of the magnetic column 3011 can be sensed by the torque sensor 3010, and the torque sensor 3010 can convert the rheological property of the solution to be tested through the resistance force and the rotation speed of the first servo motor 302, so as to detect the rheological property of the solution to be tested.

[0033] The detection mechanism 3 also includes a stabilizing disk 3012 fixed to the inner wall of the second connecting cylinder 304 and rotatably matched with the rotating rod 308. The bottom surface of the first connecting cylinder 303 is fixedly connected with a sealing ring 3013 that is adapted to the annular groove on the upper surface of the second connecting cylinder 304. By setting the stabilizing disk 3012, it is convenient to stably support the magnetic ring 307 and prevent the test solution from entering the second connecting cylinder 304 during the detection process. By setting the sealing ring 3013, it is convenient to improve the sealing between the first connecting cylinder 303 and the second connecting cylinder 304, and the first connecting cylinder 303 and the second connecting cylinder 304 can be tightly connected through the action of the magnetic suction component to avoid rotation differences and slipping.

[0034] Example 2

[0035] Based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes that an adjusting mechanism 4 is also provided inside the fixed frame 1, and the adjusting mechanism 4 is used to drive the rheometer body 2 to move up and down; a placing plate 5 is fixedly connected to the bottom surface of the fixed frame 1, and a placing bucket 6 facing below the rotating blade 301 is placed on the upper surface of the placing plate 5, as well as a clamping mechanism 7 for clamping and fixing the placing bucket 6.

[0036] refer to Figures 1 to 5 The setting of the adjusting mechanism 4 can facilitate the control of the height positions of the rheometer body 2 and the detection mechanism 3 at the fixed frame 1, so that the rotating blade 301 can be lowered into the holding barrel 6 to detect the solution to be tested as required, and the setting of the clamping mechanism 7 can facilitate the clamping and fixing of the holding barrel 6 directly below the rotating blade 301, so that the holding barrel 6 and the rotating blade 301 can be made coaxial, which is convenient for the rotating blade 301 to detect the solution to be tested in the holding barrel 6, and can also prevent the holding barrel 6 from shaking during the detection process.

[0037] The adjusting mechanism 4 includes a slide groove 401 provided on the outer surface of the fixed frame 1, and a second servo motor 402 installed in a reserved groove on the upper surface of the fixed frame 1. The output end of the second servo motor 402 is fixedly connected to a screw rod 403 which is rotatably matched with the inner bottom wall of the fixed frame 1. The outer surface of the screw rod 403 is threadedly connected to a wire ring connecting rod 404 which is connected to the rheometer body 2, and the outer surface of the wire ring connecting rod 404 is slidably matched with the inner wall of the slide groove 401. By setting the adjusting mechanism 4, it is possible to better control the height of the rheometer body 2 and the detection mechanism 3, so that the rotating blade 301 can be easily extended into the interior of the containing barrel 6, and there is no need to manually control the depth value of the rotating blade 301 in the containing barrel 6, thereby effectively avoiding the situation where the rotating blade 301 is manually extended into the solution to be tested, causing the solution to be tested to overflow, thereby greatly improving the practicality and convenience of the overall device.

[0038] The adjustment mechanism 4 also includes a slide bar 405 fixed on the outer surface of the fixed frame 1, and a sleeve 406 fixed on the outer surface of the rheometer body 2 and slidably matched with the slide bar 405. By setting the slide bar 405 and the sleeve 406, it is possible to better facilitate limited sliding during the up and down movement of the rheometer body 2, and effectively improve the stability during the up and down movement, avoiding shaking during the up and down movement that affects the accuracy of the detection data of the solution to be tested, thereby greatly improving the stability of the overall device.

[0039] The clamping mechanism 7 includes an arc-shaped clamping plate 702 fixed on the upper surface of the placement plate 5, and an arc-shaped clamping plate 702 facing the holding barrel 6 in two directions. The clamping mechanism 7 also includes a telescopic rod 703 connected to the fixing plate 701 and the arc-shaped clamping plate 702, and a second electric push rod 704 installed in a reserved hole on the outer surface of the fixing frame 1. The output end of the second electric push rod 704 is fixedly connected with a push ring 705. The clamping mechanism 7 also includes a transmission plate 706 hinged to the push ring 705 and the outer tube of the telescopic rod 703. By setting the clamping mechanism 7, it is possible to better clamp and fix the holding barrel 6, and it is possible to clamp and fix the holding barrel 6 directly below the coaxial rotating blade 301, so that the rotating blade 301 can detect the solution to be tested at the center position of the holding barrel 6, avoiding the deviation of the detection data caused by the rotation detection at the edge, and it can be applicable to holding barrels 6 of different sizes, greatly improving the practicality and application range of the overall device.

[0040] By starting the second electric push rod 704, the output end of the second electric push rod 704 pushes the push ring 705 to move, so that the push ring 705 drives the transmission plate 706 to push or pull the telescopic rod 703 to extend and retract, and then drives the arc clamping plate 702 to clamp and fix the containing barrel 6, so that the containing barrel 6 can be clamped and fixed at a position directly below the rotating blade 301, and the containing barrel 6 can be prevented from shaking during the rotation detection process of the rotating blade 301, which affects the detection accuracy.

[0041] The components in the drawings of the present invention are only for style reference and are not for specific size standards. The specific sizes are determined according to the actual requirements of production. At the same time, the materials of the components can be replaced accordingly according to actual needs.

[0042] Working principle: When testing the rheological properties of the solution to be tested, first place the containing bucket 6 containing the solution to be tested in the clamping position of the clamping mechanism 7, then start the second electric push rod 704, and the output end of the second electric push rod 704 pushes the push ring 705 to move, so that the push ring 705 drives the transmission plate 706 to push or pull the telescopic rod 703 to extend and retract, thereby driving the arc-shaped clamping plate 702 to clamp and fix the containing bucket 6, and make the containing bucket 6 located directly below the coaxial rotating blade 301, so as to improve the effect and accuracy of the detection of the solution to be tested.

[0043] At this time, by starting the second servo motor 402, the output shaft of the second servo motor 402 drives the screw rod 403 to rotate, so that the screw rod 403 and the wire ring connecting rod 404 are threadedly matched and drive the rheometer body 2 and the detection mechanism 3 to adjust up and down, so that the rotating blade 301 is lowered to the inside of the containing barrel 6 according to demand, and the solution to be tested is submerged by the rotating blade 301, so as to facilitate the detection of the rheological properties of the solution to be tested.

[0044] For the detection of the solution to be tested, the first servo motor 302 is started, and the output shaft of the first servo motor 302 drives the first connecting cylinder 303, the second connecting cylinder 304 and the rotating blade 301 to rotate, so that the rotating blade 301 rotates in the solution to be tested, so that the solution to be tested generates an obstacle force on the rotating blade 301, and the obstacle force drives the magnetic ring 307 to rotate slightly through the rotating rod 308. The size of the rotation varies according to different solutions to be tested. When the magnetic ring 307 rotates slightly, the magnetic attraction between the magnetic ring 307 and the magnetic column 3011 can make the torque sensor 3010 sense the stress change of the magnetic column 3011, so that the torque sensor 3010 can convert the rheological properties of the liquid through the obstacle force and the rotation speed of the first servo motor 302, thereby completing the detection of the solution to be tested.

[0045] After the detection is completed, the first electric push rod 305 can be started, and the output end of the first electric push rod 305 can drive the magnetic block 306 to move upward, so that the magnetic attraction between the magnetic block 306 and the magnetic ring 307 is reduced, thereby facilitating the rapid disassembly and cleaning of components such as the second connecting cylinder 304 and the rotating blade 301.

[0046] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An online rheometer, characterized in that: The invention comprises a fixed frame (1), a rheometer body (2) is arranged outside the fixed frame (1), a detection mechanism (3) is arranged inside the rheometer body (2), the detection mechanism (3) comprises a rotating blade (301) for stirring a solution to be tested, and a detection component connected to the rotating blade (301), the detection component being used to detect the rheological properties of the solution to be tested through the rotating blade (301); An adjusting mechanism (4) is also provided inside the fixed frame (1), and the adjusting mechanism (4) is used to drive the rheometer body (2) to move up and down; a placement plate (5) is fixedly connected to the bottom surface of the fixed frame (1), and a holding barrel (6) directly facing below the rotating blade (301) is placed on the upper surface of the placement plate (5), as well as a clamping mechanism (7) for clamping and fixing the holding barrel (6).

2. An online rheometer according to claim 1, characterized in that: The detection mechanism (3) further comprises a first servo motor (302) installed inside the rheometer body (2); an output shaft of the first servo motor (302) passes through the rheometer body (2) and is fixedly connected to a first connecting tube (303); a second connecting tube (304) is provided on the bottom surface of the first connecting tube (303); and the detection mechanism (3) further comprises a magnetic attraction component located inside the first connecting tube (303).

3. An online rheometer according to claim 2, characterized in that: The magnetic attraction assembly comprises a first electric push rod (305) fixed to the inner top wall of a first connecting tube (303), an output end of the first electric push rod (305) being fixedly connected to a magnetic block (306), and a magnetic ring (307) located directly below the magnetic block (306) and rotatably engaged with the inner wall of a second connecting tube (304), and a bottom surface of the magnetic ring (307) being fixedly connected to a rotating rod (308) connected to the rotating blade (301).

4. An online rheometer according to claim 2, characterized in that: The detection assembly comprises a protective sleeve (309) fixed to the bottom surface of the first connecting cylinder (303), and a torque sensor (3010) fixed to the bottom surface of the first connecting cylinder (303) and located inside the protective sleeve (309), wherein the output end of the torque sensor (3010) is fixedly connected to a magnetic column (3011).

5. An online rheometer according to claim 3, characterized in that: The detection mechanism (3) further comprises a stabilizing disk (3012) fixed to the inner wall of the second connecting tube (304) and rotatably matched with the rotating rod (308); a sealing ring (3013) adapted to the annular groove on the upper surface of the second connecting tube (304) is fixedly connected to the bottom surface of the first connecting tube (303).

6. An online rheometer according to claim 1, characterized in that: The adjustment mechanism (4) comprises a slide groove (401) provided on the outer surface of the fixed frame (1), and a second servo motor (402) installed in a reserved groove on the upper surface of the fixed frame (1); the output end of the second servo motor (402) is fixedly connected to a screw rod (403) rotatably engaged with the inner bottom wall of the fixed frame (1); the outer surface of the screw rod (403) is threadedly connected to a wire ring connecting rod (404) connected to the rheometer body (2); and the outer surface of the wire ring connecting rod (404) is slidably engaged with the inner wall of the slide groove (401).

7. An online rheometer according to claim 1, characterized in that: The adjustment mechanism (4) further comprises a sliding bar (405) fixed to the outer surface of the fixed frame (1), and a sliding sleeve (406) fixed to the outer surface of the rheometer body (2) and slidably matched with the sliding bar (405).

8. An online rheometer according to claim 1, characterized in that: The clamping mechanism (7) comprises an arc-shaped clamping plate (702) fixed on the upper surface of the placement plate (5), and arc-shaped clamping plates (702) facing two directions of the containing barrel (6). The clamping mechanism (7) also comprises a telescopic rod (703) connected to the fixing plate (701) and the arc-shaped clamping plate (702), and a second electric push rod (704) installed in a reserved hole on the outer surface of the fixing frame (1), the output end of the second electric push rod (704) being fixedly connected to a pushing ring (705). The clamping mechanism (7) also comprises a transmission plate (706) hingedly connected to the pushing ring (705) and the outer tube of the telescopic rod (703).

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