CN221782073U

CN221782073U - Online Rotational Viscometer

Info

Publication number: CN221782073U
Application number: CN202422010479.9U
Authority: CN
Inventors: 赵伟
Original assignee: Shanghai Jinglai Electronic Technology Development Co ltd
Current assignee: Shanghai Jinglai Electronic Technology Development Co ltd
Priority date: 2024-08-20
Filing date: 2024-08-20
Publication date: 2024-09-27
Anticipated expiration: 2034-08-20

Abstract

The utility model relates to the technical field of viscometers, and provides an online rotary viscometer, which comprises a viscometer body, wherein a fixed cylinder is fixedly connected with the connecting end of the viscometer body, a mounting cylinder is arranged right below the fixed cylinder, the rotating speed of the servo motor is automatically set by arranging the servo motor, the torque detector and an inner magnet are driven to rotate by a connecting shaft, thereby outer magnet can receive the attraction of interior magnet and rotate in step, when magnet rotor submerges in liquid, and liquid can hinder magnet rotor and rotate, and the obstruction power promptly shearing force can transmit for interior magnet, and then is sensed by torque detector, and the viscosity of liquid is calculated through the magnitude of the obstruction power of torque detector induction and the fast-moving of servo motor rotational speed. Through the technical scheme, the problems that errors are easy to generate when shearing force is converted in the prior art, data for detecting liquid viscosity are influenced, and liquid flood irrigation overflows are solved.

Description

Online rotary viscometer

Technical Field

The utility model relates to the technical field of viscometers, in particular to an online rotary viscometer.

Background

Viscometers are instruments for measuring the viscosity of fluids (liquids and gases). The viscosity of various fluids such as grease, paint, plastics, food, medicine, cosmetics, adhesive products, papermaking chemical industry and the like is widely measured, and the viscosity measuring instrument is a precise instrument for monitoring and controlling the stability of the product quality in production.

However, there are various problems in the conventional online rotary viscometer, in which a motor drives a hairspring disc, a hairspring drives a rotor to rotate, and then deformation of the hairspring is detected to convert into a shearing force, and viscosity detection is performed on a solution, but in practical application of the solution viscosity detection, the conversion of the shearing force needs to pass through various components, errors are easily caused when the shearing force is converted, shaft connection is formed between the hairspring and the rotor of the conventional online rotary viscometer, the depth of the rotor inserted into liquid needs to be controlled manually, and the problems that the liquid enters the liquid along a connecting shaft to enter between the hairspring and the rotor to affect the detection of the viscosity of the liquid and the liquid overflows are caused.

Disclosure of utility model

The utility model provides an online rotary viscometer, which solves the problems that in the related technology, errors are easy to generate when shearing force is converted, data for detecting the viscosity of liquid is influenced, and the liquid overflows through flooding.

The technical scheme of the utility model is as follows: the liquid stirring device comprises a viscometer body, wherein a fixed cylinder is fixedly connected to the connecting end of the viscometer body, an installation cylinder and a threaded cylinder which is connected with the installation cylinder and is in threaded fit with the fixed cylinder are arranged under the fixed cylinder, a rotatable outer magnet and a magnet rotor which is connected with the outer magnet and is in rotary fit with the installation cylinder are arranged in the installation cylinder, and the magnet rotor is used for stirring liquid; the inside fixedly connected with servo motor of fixed section of thick bamboo to and the connecting axle of servo motor output fixed connection, the inside of fixed section of thick bamboo still is equipped with the interior magnet that is connected with the connecting axle lower extreme, and installs the torque detector at the connecting axle surface.

Preferably, the outer magnet is located under the inner magnet, the inner magnet is used for magnetically attracting and driving the outer magnet to rotate in the installation cylinder, the outer magnet and the inner magnet are arranged, the inner magnet is used for driving the outer magnet to rotate through magnetic attraction, then the magnet rotor is subjected to the blocking force of liquid, and then the blocking force is transmitted to the torque detector through the outer magnet and the inner magnet, and the blocking force and the rotation speed of the servo motor are converted to calculate the viscosity of the liquid.

Preferably, polytetrafluoroethylene coating or Teflon coating is sprayed on the outer surface of the magnet rotor, the magnet rotor is made of high temperature resistant materials, and through the arrangement of the magnet rotor, the magnet rotor is made of materials and the coating on the outer surface, so that the rotation stability and the high temperature resistance of the magnet rotor in liquid can be better facilitated.

Preferably, the magnet rotor adopts detachable connection with outer magnet, through setting up magnet rotor, can adopt detachable between magnet rotor and the outer magnet, can be convenient for install different magnet rotor according to different demands and carry out viscosity detection to different liquids.

Preferably, the lower part of viscometer body is equipped with the mount pad, the last fixed surface of mount pad is connected with the slide bar to and fix at the viscometer body surface and with slide bar sliding connection's lifter, through setting up the mount pad, can be convenient for support and place whole device, and the setting of lifter can slide in slide bar department, and then can be convenient for adjust the height of viscometer body according to the demand through follow-up regulating part.

Preferably, the upper surface fixedly connected with rack of mount pad, the surface fixedly connected with double output shaft motor of lifter to and with double output shaft motor output fixed connection and with rack engaged gear, through setting up double output shaft motor, two output shaft of double output shaft motor drive the gear respectively and rotate, and make the gear reciprocate in guard plate department, and then drive lifter and viscometer body and carry out lifting adjustment under the spacing effect of slide bar through double output shaft motor.

Preferably, the upper portion of mount pad is equipped with the guard plate, guard plate and the upper end fixed connection of rack, through setting up the guard plate, the spacing of being convenient for when adjusting the height of detecting part that can be better stops.

Preferably, a plurality of screw thread heel brace is installed to the bottom surface of mount pad, the last surface mounting of viscometer body has the spirit level, through setting up the screw thread heel brace, can be better place on place the platform to can adjust the level of whole device according to the demand, and then observe whether whole device is in the horizontality through the spirit level.

The working principle and the beneficial effects of the utility model are as follows:

1. According to the utility model, the servo motor is arranged, the rotating speed of the servo motor is automatically set, and the torque detector and the inner magnet are driven to rotate through the connecting shaft, so that the outer magnet can be attracted by the inner magnet to synchronously rotate, when the magnet rotor is submerged in liquid, the liquid can prevent the magnet rotor from rotating, the blocking force, namely the shearing force, can be transmitted to the inner magnet, and then the torque detector senses the blocking force, and the viscosity of the liquid is converted through the magnitude of the blocking force sensed by the torque detector and the speed of the rotating speed of the servo motor.

2. According to the utility model, the inner magnetic ring and the outer magnet are arranged, the inner magnetic ring can rotate under the drive of the servo motor, and the magnetic attraction between the inner magnetic ring and the outer magnet can enable the inner magnetic ring to drive the outer magnet to rotate when rotating, so that the outer magnet can drive the magnet rotor to rotate, the viscosity of liquid can be better detected in a rotating way, shaft connection between a hairspring and the rotor of a traditional online rotary viscometer is effectively avoided, and the rotor is easy to cause liquid to enter between the hairspring and the rotor along a connecting shaft when entering the liquid, so that the data for detecting the viscosity of the liquid is influenced.

3. According to the utility model, the double-output shaft motor is arranged, and the double-output shaft motor can drive the viscometer body to lift and adjust through the mutual matching of the gear and the rack, so that the problem that the liquid overflows from the container due to unstable manual operation when the liquid storage is full because the depth of the rotor inserted into the liquid needs to be controlled manually can be effectively avoided.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a front view of the overall device of the present utility model in a perspective configuration;

FIG. 2 is a side view of the solid construction of the overall device of the present utility model;

FIG. 3 is a schematic perspective view of the viscometer body of the utility model;

Fig. 4 is a perspective structural sectional view of the fixing barrel of the present utility model.

In the figure: 1. a viscometer body; 2. a fixed cylinder; 3. a magnet rotor; 4. a mounting cylinder; 5. an outer magnet; 6. a thread cylinder; 7. a servo motor; 8. a connecting shaft; 9. an inner magnet; 10. a torque detector; 11. a mounting base; 12. a slide bar; 13. a lifting block; 14. a rack; 15. a double output shaft motor; 16. a gear; 17. a protection plate; 18. a threaded foot support; 19. and (5) a level gauge.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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

As shown in fig. 1 to 4, the embodiment provides an online rotary viscometer, which comprises a viscometer body 1, wherein a fixed cylinder 2 is fixedly connected to the connection end of the viscometer body 1, an installation cylinder 4 is arranged right below the fixed cylinder 2, a threaded cylinder 6 connected with the installation cylinder 4 and in threaded fit with the fixed cylinder 2, a rotatable outer magnet 5 is arranged inside the installation cylinder 4, and a magnet rotor 3 connected with the outer magnet 5 and in rotary fit with the installation cylinder 4, and the magnet rotor 3 is used for stirring liquid.

In this embodiment, referring to fig. 1 to 4, the installation of the screw cylinder 6 can be facilitated, the installation cylinder 4 can be conveniently installed or detached, and the magnet rotor 3 can also be installed or detached at the outer magnet 5, so that different magnet rotors 3 can be used for viscosity detection of liquid according to requirements, and the magnet rotor 3 has high temperature resistance and corrosion resistance.

The inside fixedly connected with servo motor 7 of fixed section of thick bamboo 2 and with servo motor 7 output fixed connection's connecting axle 8, the inside of fixed section of thick bamboo 2 still is equipped with the interior magnet 9 that is connected with connecting axle 8 lower extreme to and install the torque detector 10 at the connecting axle 8 surface.

The outer magnet 5 is located directly under the inner magnet 9, the inner magnet 9 is used for magnetically attracting and driving the outer magnet 5 to rotate in the installation cylinder 4, and the inner magnet 9 is used for driving the outer magnet 5 to rotate through magnetic attraction by arranging the outer magnet 5 and the inner magnet 9.

This servo motor 7's setting, servo motor 7's output pivot drives connecting axle 8 rotation to make connecting axle 8 drive interior magnet 9 and torque detector 10 rotate, and interior magnet 9 can drive outer magnet 5 through magnetic attraction and rotate in step when rotating, make outer magnet 5 drive magnet rotor 3 and carry out rotatory stirring to the liquid, and then can make magnet rotor 3 receive the hindrance power of liquid and transmit the hindrance power to in the torque detector 10, make torque detector 10 through the rotational speed of hindrance power and servo motor 7 can change out the viscosity of liquid.

The outer surface of the magnet rotor 3 is sprayed with a polytetrafluoroethylene coating or a Teflon coating, the magnet rotor 3 is made of a high-temperature-resistant material, through the arrangement of the magnet rotor 3, the magnet rotor 3 is made of a material and the coating of the outer surface, so that the rotation stability and the high-temperature resistance of the magnet rotor 3 in liquid can be better facilitated, the situation that the liquid damages and corrodes the surface of the magnet rotor 3 can be avoided, and the service life and the practicability of the magnet rotor 3 are greatly improved.

Magnet rotor 3 adopts detachable connection with outer magnet 5, through setting up magnet rotor 3, can adopt detachable between magnet rotor 3 and the outer magnet 5, can be convenient for install different magnet rotor 3 according to different demands and carry out viscosity detection to different liquid, and then promote whole device's application scope and practicality by a wide margin to can be convenient for dismantle magnet rotor 3 and wash.

Example 2

As shown in fig. 1 to 4, based on the same concept as that of the above embodiment 1, this embodiment also proposes that the lower portion of the viscometer body 1 is provided with a mounting seat 11, the upper surface of the mounting seat 11 is fixedly connected with a slide rod 12, and a lifting block 13 fixed on the outer surface of the viscometer body 1 and slidably connected with the slide rod 12, by providing the mounting seat 11, the whole device can be supported and placed conveniently, and the lifting block 13 can slide at the slide rod 12, so that the height of the viscometer body 1 can be adjusted conveniently according to the requirement by a subsequent adjusting component.

The upper surface of mount pad 11 fixedly connected with rack 14, the surface fixedly connected with of elevating block 13 is two output shaft motor 15 to and with two output shaft motor 15 output fixed connection and with rack 14 engaged with gear 16, through setting up two output shaft motor 15, two output shaft of two output shaft motor 15 drive gear 16 respectively and rotate to make gear 16 carry out the reciprocating in guard plate 17 department.

And then drive elevating block 13 and viscometer body 1 through two output shaft motors 15 and carry out the lift regulation under the spacing effect of slide bar 12, and then need not manual regulation detection part and get into inside the liquid, promote the convenience of whole device when detecting viscosity to the liquid by a wide margin.

The upper portion of mount pad 11 is equipped with guard plate 17, and guard plate 17 and rack 14's upper end fixed connection through setting up guard plate 17, can be better be convenient for carry out spacing blocking when adjusting the height of detecting element to can promote the security of whole device by a wide margin and avoid taking place to drop.

The bottom surface of mount pad 11 is installed a plurality of screw thread heel brace 18, and the upper surface mounting of viscometer body 1 has spirit level 19, through setting up screw thread heel brace 18, can be better place on place the platform to can adjust the level of whole device according to the demand, and then observe whether whole device is in the horizontality through spirit level 19, avoid the device to take place the slope when viscosity detects and lead to the error of viscosity detection data.

Working principle: when the viscosity of liquid is detected, firstly, a measuring cylinder with liquid to be detected is placed under the magnet rotor 3, at this time, the double-output shaft motor 15 is started, two output shafts of the double-output shaft motor 15 drive the gear 16 to rotate, and the gear 16 and the rack 14 are meshed with each other so as to move up and down at the rack 14, thereby driving the viscometer body 1 to carry out lifting adjustment, the magnet rotor 3 is lowered into the solution, at this time, the servo motor 7 is started, the rotating speed of the servo motor 7 is set by itself, thereby the servo motor 7 can drive the torque detector 10 to rotate with the inner magnet 9 through the connecting shaft 8, the outer magnet 5 can be attracted by the inner magnet 9 to synchronously rotate, when the magnet rotor 3 is submerged in the liquid, the liquid can block the magnet rotor 3 to rotate, the blocking force, namely the shearing force can be transmitted to the inner magnet 9, and then the torque detector 10 senses the blocking force, and the blocking force is calculated through the magnitude of the blocking force sensed by the torque detector 10 and the fast-slow speed of the rotating speed of the servo motor 7.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. An online rotational viscometer, characterized in that it comprises a viscometer body (1), wherein a connecting end of the viscometer body (1) is fixedly connected to a fixing cylinder (2), a mounting cylinder (4) is arranged directly below the fixing cylinder (2), and a threaded cylinder (6) connected to the mounting cylinder (4) and threadedly matched with the fixing cylinder (2), a rotatable external magnet (5) is arranged inside the mounting cylinder (4), and a magnet rotor (3) connected to the external magnet (5) and rotatably matched with the mounting cylinder (4), and the magnet rotor (3) is used for stirring a liquid; a servo motor (7) is fixedly connected inside the fixing cylinder (2), and a connecting shaft (8) fixedly connected to an output end of the servo motor (7), an inner magnet (9) connected to the lower end of the connecting shaft (8) is also arranged inside the fixing cylinder (2), and a torque detector (10) is arranged on the outer surface of the connecting shaft (8).

2. The online rotational viscometer according to claim 1, characterized in that the outer magnet (5) is located directly below the inner magnet (9), and the inner magnet (9) is used to magnetically attract and drive the outer magnet (5) to rotate inside the mounting cylinder (4).

3. The online rotational viscometer according to claim 1, characterized in that the outer surface of the magnet rotor (3) is sprayed with a polytetrafluoroethylene coating or a Teflon coating, and the magnet rotor (3) is made of a high temperature resistant material.

4. The online rotational viscometer according to claim 1, characterized in that the magnet rotor (3) and the external magnet (5) are detachably connected.

5. The online rotational viscometer according to claim 1, characterized in that a mounting seat (11) is provided at the lower part of the viscometer body (1), a sliding rod (12) is fixedly connected to the upper surface of the mounting seat (11), and a lifting block (13) is fixed to the outer surface of the viscometer body (1) and slidably connected to the sliding rod (12).

6. The online rotational viscometer according to claim 5, characterized in that a rack (14) is fixedly connected to the upper surface of the mounting seat (11), a dual-output shaft motor (15) is fixedly connected to the outer surface of the lifting block (13), and a gear (16) is fixedly connected to the output end of the dual-output shaft motor (15) and meshed with the rack (14).

7. The online rotational viscometer according to claim 6, characterized in that a protective plate (17) is provided on the upper part of the mounting seat (11), and the protective plate (17) is fixedly connected to the upper end of the rack (14).

8. The online rotational viscometer according to claim 5, characterized in that a plurality of threaded foot supports (18) are installed on the bottom surface of the mounting seat (11), and a level (19) is installed on the upper surface of the viscometer body (1).