CN212722488U

CN212722488U - Device for measuring viscosity of coating

Info

Publication number: CN212722488U
Application number: CN202021993280.8U
Authority: CN
Inventors: 侯伟
Original assignee: Lanfan New Material Technology Guangzhou Co ltd
Current assignee: Lanfan New Material Technology Guangzhou Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-03-16
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a device for measuring coating viscosity belongs to coating detection device field, mainly solves some coating viscosity detection device measurement accuracy that have now not high, the great problem of error, including support (1), be provided with liftable operating machine (2) on support (1), operating machine (2) below is provided with rotatable commentaries on classics piece (3) and fixed block (4), the both sides of changeing piece (3) all are provided with stirring (32), the below of fixed block (4) is provided with dead lever (41), be provided with first pressure sensor on dead lever (41), the head of dead lever is provided with rotatable commentaries on classics head (5), be provided with clockwork spring and second pressure sensor in the commentaries on classics head. The utility model discloses in, adopt two pressure sensor records the key time node of coating and clockwork spring that awaits measuring, the data that record is more scientific, the precision is higher.

Description

Device for measuring viscosity of coating

Technical Field

The utility model relates to a coating detection device field, more specifically says, the utility model relates to a device for measuring coating consistency.

Background

The coating is widely applied to industries such as agriculture, industry, building industry and the like, the type and the function of the coating are various, the liquid coating is the most common, the viscosity is an important production standard in the production and processing of the liquid coating, after the production of a liquid coating sample is finished, the viscosity needs to be detected, and then a solvent or a solute is added according to a detection result to achieve the standard viscosity, so that the large-scale production is facilitated.

The existing viscometer comprises a capillary viscometer, a rotary viscometer and a vibration viscometer, wherein the rotary viscometer firstly stirs a coating to be measured, a torsion spring in the rotary viscometer generates a torque, and then the viscosity of the coating is judged according to the attenuation degree of the torque in the coating at one end time, but the coating is always rotated in measurement, namely the coating has larger motion friction force except for viscosity force, and the motion friction force has larger influence on the attenuation of the torque, so that the measurement result has larger error.

Therefore, it is desirable to design a device for measuring the viscosity of a coating material.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a device for measuring coating consistency mainly solves some current rotary viscosimeters and measures the problem that the precision is not high, the error is great.

The utility model provides a device for measuring coating consistency, which comprises a bracket, be provided with the operation machine of liftable on the support, the operation machine below is provided with rotatable commentaries on classics piece and fixed block, the both sides of commentaries on classics piece all are provided with the stirring piece, the below of fixed block is provided with the dead lever, be provided with first pressure sensor on the dead lever, the head of dead lever is provided with rotatable turn round, be provided with clockwork spring and second pressure sensor in the turn round.

In a preferred embodiment, a plurality of rotating blades are arranged on the outer side of the rotating head, a cavity is arranged in the rotating head, the tail end of the fixed rod abuts against the cavity, and the second pressure sensor is fixed at the tail end of the fixed rod and is located in the cavity.

In a preferred embodiment, a connecting column is arranged in the cavity, and one end of the clockwork spring is fixed on the connecting column while the other end is fixed on the second pressure sensor.

In a preferred embodiment, a water outlet is formed in the side wall of the liquid accumulation chamber, the fixed block is located in the center of the rotating block, a plurality of balls are arranged between the outer side face of the fixed block and the inner wall of the rotating block, and a plurality of balls are arranged on the inner side wall of the joint of the rotating head and the fixed rod.

In a preferred embodiment, the back surface of the manipulator is provided with a loop bar sleeved on the bracket, and the front surface of the manipulator is provided with a display screen and a plurality of control keys.

The utility model discloses a technological effect and advantage:

the torque and time of different time nodes are recorded by the first pressure sensor and the second pressure sensor, and only the elastic attenuation value and the corresponding attenuation time of the coating to be measured in a static state are taken, so that the internal viscosity of the coating to be measured can be reflected more truly, and the measured result is more accurate and scientific.

Drawings

FIG. 1 is an overall front view;

FIG. 2 is an overall side view;

FIG. 3 is a schematic view showing the positional relationship between the rotary block, the balls and the fixed block;

FIG. 4 is a schematic diagram showing the positional relationship between the fixing rod, the ball, the swivel, the connecting column, the second pressure sensor, and the like;

FIG. 5 is a top view of the positional relationship of the connecting post, the clockwork spring and the second pressure sensor.

Description of reference numerals: 1. a support; 2. an operating machine; 21. a display screen; 22. a control key; 23. a loop bar; 3. rotating the block; 31. a ball bearing; 32. a stirring member; 4. a fixed block; 41. fixing the rod; 42. a first pressure sensor; 43. a spring case; 44. a second pressure sensor; 5. turning the head; 51. rotating the leaves; 52. connecting the columns; 6. a clockwork spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

A device for measuring viscosity of coating is disclosed, as shown in fig. 1-5, comprising a bracket 1 and an operating machine 2, wherein a loop bar 23 is arranged at the back of the operating machine 2, the loop bar 23 is movably fixed at the vertical part of the bracket 1, so that the operating machine 2 can be arranged on the bracket 1 in a lifting way, vessels with coating to be measured and different heights can be conveniently placed below the operating machine 2, a display screen 21 for displaying test data and a control key 22 for controlling related functions are arranged on the operating machine 2.

The bottom surface of the operating machine 2 is provided with a rotatable rotating block 3, a motor is arranged in the operating machine 2, the motor rotates to drive the rotating block 3 to rotate, the bottom surface of the operating machine 2 is further provided with a fixed block 4, the fixed block 4 is located in the center of the rotating block 3, and a plurality of rolling balls 31 are arranged between the outer side wall of the fixed block 4 and the inner side wall of the rotating block 3, so that the rotating block 3 can rotate smoothly.

The fixed two stirring pieces 32 that are provided with in the side of commentaries on classics piece 3, stirring piece 32 stretches into the coating that awaits measuring, and commentaries on classics piece 3 rotates and drives stirring piece 32 and rotate, and stirring piece 32 rotates in order to fully stir the coating.

The bottom surface of fixed block 4 is fixed and is provided with rectangular shape dead lever 41, is provided with first pressure sensor 42 on the dead lever 41, and the model of first pressure sensor 42 is FC10C, and in dead lever 41 stretched into the coating that awaits measuring, first pressure sensor 42 page was located the coating that awaits measuring, and the head of dead lever 41 is provided with rotatable turn 5, and the contact side of turn 5 and dead lever 41 also is provided with a plurality of balls 31, and ball 31 makes turn 5 can rotate for dead lever 41.

The side of the rotor 5 is provided with a plurality of rotating blades 51, when the whole rotor 5 is positioned in the coating to be measured, the coating to be measured rotates, acting force is applied to the rotating blades 51, and the rotor 5 is driven to rotate through the rotating blades 51.

A cavity is arranged in the rotor 5, a spring box 43 and a second pressure sensor 44 are arranged at one end of the fixing rod 41 in the cavity, and the model of the second pressure sensor 44 is LRD. The spring box 43 is internally provided with a clockwork spring 6, the bottom of the cavity is provided with a connecting column 52, the connecting column 52 penetrates through the spring box 43, one end of the clockwork spring 6 is fixed on the connecting column 52, and the other end of the clockwork spring 6 is fixed on the second pressure sensor 44.

The operating machine 2 is internally provided with a microprocessor, the model of the microprocessor is STM32F101, the first pressure sensor 42 and the second pressure sensor 44 are both in circuit connection with a microprocessor, the microprocessor is in circuit connection with the display screen 21, the microprocessor processes data transmitted by the first pressure sensor 42 and the second pressure sensor 44, and the display screen 21 displays a data processing result.

The working principle is as follows: the coating to be measured is positioned below the manipulator 2, the stirring piece 32, the first pressure sensor 42 and the rotary head 5 are completely immersed in the coating to be measured, the stirring piece 32 rotates to drive the coating to be measured to rotate in one direction (along with the increase of the rotating speed of the coating to be measured, the pressure detected by the first pressure sensor 42 is gradually increased), the coating to be measured rotates to provide thrust for the rotary blade 51, the rotary blade 51 drives the rotary head 5 to rotate, the rotary head 5 rotates to drive the connecting column 52 to rotate, the connecting column 52 rotates to drive the clockwork spring 6 to contract, the clockwork spring 6 continuously contracts to store certain torque, the motor is turned off again to stop stirring the stirring piece 32, at the moment, due to inertia, the coating to be measured still rotates, the rotating speed is gradually reduced, the pressure recorded by the first pressure sensor 42 is gradually reduced to be stable (at the moment, the coating to be measured does not rotate any more), the microprocessor marks time t1, and simultaneously, the microprocessor, the clockwork spring 6 is stored with torque and can be continuously dispersed, the pressure detected by the second pressure sensor 44 is gradually reduced to be stable (at the moment, the viscosity force in the paint to be detected and the elastic force in the clockwork spring 6 reach force balance, namely, the clockwork spring 6 is not dispersed any more), when the pressure is stable, the microprocessor marks time t2 and records the pressure F2 when the pressure is stable;

that is, the elastic force of the spiral spring 6 (the elastic force and the pressure detected by the second pressure sensor 44 are interaction force) is attenuated from F1 to F2, the time is t2-t1, and the whole attenuation process is measured in the state that the paint to be detected is static, so that the method is more scientific and accurate.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims

1. The utility model provides a device for measuring coating consistency, a serial communication port, includes support (1), be provided with liftable operating machine (2) on support (1), operating machine (2) below is provided with rotatable commentaries on classics piece (3) and fixed block (4), the both sides of changeing piece (3) all are provided with stirring piece (32), the below of fixed block (4) is provided with dead lever (41), be provided with first pressure sensor (42) on dead lever (41), the head of dead lever (41) is provided with rotatable turn round (5), be provided with clockwork spring (6) and second pressure sensor (44) in the turn (5).

2. The device for measuring viscosity of paint as claimed in claim 1, wherein the outside of the rotor (5) is provided with a plurality of rotor blades (51), the inside of the rotor (5) is provided with a cavity, the end of the fixing rod (41) abuts against the cavity, and the second pressure sensor (44) is fixed at the end of the fixing rod (41) and is located in the cavity.

3. A device for measuring viscosity of paint according to claim 2, characterized in that a coupling post (52) is provided in the chamber, and the spring (6) is fixed at one end to the coupling post (52) and at the other end to the second pressure sensor (44).

4. The device for measuring viscosity of paint as claimed in claim 3, wherein the fixed block (4) is located at the center of the rotating block (3), a plurality of balls (31) are arranged between the outer side surface of the fixed block (4) and the inner wall of the rotating block (3), and a plurality of balls (31) are arranged on the inner side wall of the joint of the rotating head (5) and the fixing rod (41).

5. The device for measuring the viscosity of the coating according to claim 4, wherein a sleeve rod (23) sleeved on the support (1) is arranged on the back surface of the operating machine (2), and a display screen (21) and a plurality of control keys (22) are arranged on the front surface of the operating machine (2).