Dynamic continuous measuring device for weight reduction of viscous fluid

By designing a dynamic continuous measurement device for the weight reduction of viscous fluids, and utilizing a pneumatic support rod and a servo motor-driven tilting bearing system, combined with a spoke-type pressure sensor and electromagnetic shielding technology, the problem of separate measurement after tilting in existing technologies has been solved, achieving efficient and accurate fluid mass measurement.

CN223691847UActive Publication Date: 2025-12-19NANJING UNIV OF SCI & TECH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520257733.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-12-19
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

Existing fluid dynamic weighing technology requires separate measurements after inversion, resulting in low operating efficiency and difficulty in meeting the requirements of large measuring range and high accuracy.

Method used

A dynamic continuous measurement device for weight reduction of viscous fluids was designed. The device integrates flipping and measurement by using a pneumatic support rod and a servo motor-driven flipping bearing system. Combined with a spoke-type pressure sensor and electromagnetic shielding technology, electromagnetic interference is avoided, and accurate measurement is achieved.

Benefits of technology

It integrates flipping for weight reduction and precise measurement, saving space, improving operating efficiency, and achieving dynamic precise measurement within a 30Kg range with a measurement accuracy of ±3g.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223691847U_ABST
    Figure CN223691847U_ABST
Patent Text Reader

Abstract

The utility model relates to a dynamic continuous measuring device for weight reduction of viscous fluid. The device comprises pneumatic supporting rods which are symmetrically arranged on a bracket; a bearing is arranged at the upper end of the support on one side and connected with a turnover bearing shaft, and the turnover bearing shaft is fixedly connected with a turnover bearing connecting block. A chuck is fixed at one end of each transmission shaft, and the other end of each transmission shaft is connected with a servo motor; and the convex electromagnetic chuck is arranged in the center of the chuck, is in clearance fit with the chuck and is used for magnetically sucking the bottom of the loaded metal container during overturning. A weighing connecting shaft is arranged in the center of the bottom of the convex electromagnetic chuck, penetrates through the electromagnetic shielding sleeve and is connected with the weight reduction chuck mounting bracket, and the electromagnetic shielding sleeve covers the spoke type pressure sensor. The two sides of the weight reduction suction cup installation support are connected with sensor fixing supports which are fixed to the chuck. The device provided by the utility model realizes integration of overturning weight reduction and accurate measurement, saves space and improves operation efficiency.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the viscous liquid dynamic weighing field of food, building material, mechanical industry relates to a viscous fluid weight loss dynamic continuous measuring device. BACKGROUND

[0002] The core of viscous fluid dynamic weighing technology, as an important branch of modern industrial measurement and control field, lies in its ability to accurately measure fluid mass, which benefits from the combination of advanced sensor technology and signal processing technology. At present, in the process of dynamic weighing, the sensor is responsible for capturing the subtle changes produced by the fluid flow, and the signal processing system quickly analyzes and processes the collected data to obtain the instantaneous mass of the fluid. The introduction of this technology greatly improves the automation level and quality control accuracy of the production process, and reduces the errors caused by human factors.

[0003] With the continuous progress of science and technology, fluid dynamic weighing technology is also developing and improving. On the one hand, the development of new sensors makes the measurement more accurate and stable; on the other hand, the optimization of data processing software also improves the analysis efficiency and accuracy. In addition, the application of Internet of Things and cloud computing also realizes remote monitoring and management.

[0004] At present, the integration of fluid dynamic weighing technology and other technologies is still in the initial stage. For example, when it is matched with the overturning and pouring operation, it can only be carried out separately, and the metal container containing the fluid needs to be moved to another place for measurement after each overturning, which greatly reduces the operation efficiency and effect, and occupies more space. Moreover, even if coupled, due to the influence of many factors, it is difficult to meet the use requirements of large range and high precision. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a viscous fluid weight loss dynamic continuous measuring device for dynamic continuous measurement.

[0006] A viscous fluid weight loss dynamic continuous measuring device, the device comprises:

[0007] The pneumatic support rod is symmetrically arranged on the support;

[0008] The shaft bearing is arranged on the upper end of the one side support, the shaft bearing is connected with the overturning bearing shaft, and the overturning bearing shaft is fixedly connected with the overturning bearing connecting block; the transmission shaft is symmetrically arranged on the upper end of the other side support at the same position, one end of the transmission shaft is fixedly connected with the chuck, and the other end is connected with the servo motor;

[0009] The convex electromagnetic chuck is arranged in the middle of the chuck, and the gap between the two is matched, and the convex electromagnetic chuck is used for magnetically attracting and supporting the bottom of the metal container during overturning.

[0010] The weighing connecting shaft is arranged at the center position of the convex electromagnetic chuck bottom, penetrates through the electromagnetic shielding sleeve and is connected with the weight reduction chuck mounting support, and the electromagnetic shielding sleeve covers the spoke type pressure sensor.

[0011] The sensor fixing support is connected with the weight reduction chuck mounting support on both sides and is fixed on the chuck through screw connection.

[0012] Further, the pneumatic supporting rod is arranged on the fixed base on the inner side of the support.

[0013] Further, the servo motor is fixedly connected to the outer side of the support through screw one.

[0014] Further, the overturning bearing connecting block is fixedly connected with the overturning bearing shaft through screw two.

[0015] Further, the convex electromagnetic chuck is matched with the chuck gap, and lubricating oil is coated between the two.

[0016] Compared with the prior art, the device has the advantages that:

[0017] 1. The device realizes the integration of overturning weight reduction and accurate measurement, saves space and improves operation efficiency.

[0018] 2. The device realizes dynamic accurate measurement within the range of 30 Kg, and the measurement accuracy is

[0019] When overturning, the convex electromagnetic chuck is started, the sensor is not powered on, and the outer side is covered with electromagnetic shielding material; when measuring, the electromagnet is powered off, which basically avoids the influence of electromagnetism on the accurate measurement of the sensor; the pneumatic mechanism ensures the levelness of the chuck, so that the weighing measurement is carried out at zero degree;

[0020] 3. The device can control the inclination angle of 0-360° and is easy to control. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a front view of the structure of the utility model.

[0022] Figure 2 It is a right view of the structure of the utility model.

[0023] In the figure, 1 is a support, 2 is a pneumatic supporting rod, 3 is a weight reduction chuck mounting support, 4 is a spoke type pressure sensor, 5 is an electromagnetic shielding sleeve, 6 is a weighing connecting shaft, 7 is a servo motor, 8 is screw one, 9 is a transmission shaft, 10 is a chuck, 11 is a convex electromagnetic chuck, 12 is screw two, 13 is an overturning bearing shaft, 14 is a bearing, 15 is an overturning bearing connecting block, and 16 is a sensor fixing support. DETAILED DESCRIPTION

[0024] The specific embodiments of the utility model are further described below in combination with the embodiments. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, and cannot be used to limit the protection scope of the utility model.

[0025] The utility model provides a kind of dynamic continuous measuring device for viscous fluid weight reduction, and the device comprises:

[0026] Support 1;Pneumatic support rod 2;Weight reduction chuck mounting support 3;Spoke pressure sensor 4;Electromagnetic shield 5;Weighing connecting shaft 6;Servo motor 7;Screw one 8;Transmission shaft 9;Chuck 10;Convex electromagnetic chuck 11;Screw two 12;Overturning bearing shaft 13;Bearing 14;Overturning bearing connecting block 15;Sensor fixing support 16.

[0027] Among them, support 1 is symmetrically provided with pneumatic support rod 2;

[0028] One side support 1 upper end is equipped with bearing 14, bearing 14 connects overturning bearing shaft 13, and overturning bearing shaft 13 is fixedly connected with overturning bearing connecting block 15;Transmission shaft 9 is symmetrically arranged at the same position on the upper end of the other side support 1, chuck 10 is fixed to one end of transmission shaft 9, and the other end is connected with servo motor 7;

[0029] Chuck 10 is provided with convex electromagnetic chuck 11 in the middle, and the two are gap matched, and convex electromagnetic chuck 11 is used to overturn the bottom of the metal container carried by magnetism.

[0030] Convex electromagnetic chuck 11 is provided with weighing connecting shaft 6 at the bottom center position, weighing connecting shaft 6 passes through electromagnetic shield 5 and is connected with spoke pressure sensor 4, and electromagnetic shield 5 covers spoke pressure sensor 4.

[0031] Weight reduction chuck mounting support 3 is connected with sensor fixing support 16 on both sides, sensor fixing support 16 is fixed on chuck 10 and is connected by screw.

[0032] The utility model provides a specific implementation, and the upper diameter of the convex electromagnetic chuck 11 of the weight measuring instrument is 220mm, the lower diameter is 300mm, the bottom is provided with precise spoke pressure sensor 4, the range is 0-50kg, the accuracy is ±1g, the overall device total accuracy is ±3g. The outer side of spoke pressure sensor 4 is provided with electromagnetic shield 5, and electromagnetic shield 5 is covered with electromagnetic shielding material, such as shielding cloth, iron sheet and the like. Convex electromagnetic chuck 11 and chuck 10 are gap matched, and the two are coated with lubricating oil.

[0033] The utility model provides a specific implementation, and the weight measuring instrument is supported by support 1, and the length of support 1 is 1160mm, and the height is 730mm, and it is fixed on the ground by screw.

[0034] The utility model discloses a PLC control platform is connected with convex electromagnetic chuck 11, servo motor 7 through control line, is used for controlling the magnetic force of convex electromagnetic chuck 11 and servo motor 7 drives convex electromagnetic chuck 11 with the container placed on it to overturn and reset through transmission shaft 9.

[0035] The utility model provides a specific implementation, requires the empty metal container of convex electromagnetic chuck 11 weight not more than 30kg, bottom width / side length / diameter not more than 300mm, height not more than 400mm, wall -hanging viscous fluid weight not more than 10Kg, and its viscosity is between 1000-10000CPs.

[0036] The utility model discloses a measuring weight principle:

[0037] After overturning reset of PLC control platform, the electromagnet is powered off, because chuck and convex electromagnetic chuck are gap fit and have lubricating oil lubrication, so the weight of convex electromagnetic chuck and the container placed on it is weighed and is conducted to the spoke pressure sensor through the connecting shaft, and accurate weighing is completed, and the weight of convex electromagnetic chuck and the container is subtracted, and the remaining fluid weight is obtained.

[0038] The specific operation steps are as follows:

[0039] 1, the basic homogenization of wall -hanging viscous fluid has been completed in the early stage and is pre -weighed, and the bottom diameter

[0040] (Φ100-300)mm×high (50-400)mm cylindrical metal container, is placed on convex electromagnetic chuck, and the initial weight is weighed.

[0041] 2, start PLC control platform, make the electromagnet of convex electromagnetic chuck power on, and the bottom of the container is magnetically attracted, and the final control wall -hanging viscous fluid weight range (20-100% of pre -weighed value) is set.

[0042] 3, start program setting overturning time 1-5min and angle 90-270 °, and overturn at a uniform speed, and the speed is 1-10 ° / s, so that the main part of overturning is rotated at a fixed angle.

[0043] 4, after each round of overturning, reset. The electromagnet is powered off, and the chuck is lifted flat by the pneumatic support rod. After the pedestal is lifted flat, the pneumatic support rod is lowered back to the original position.

[0044] 5, the control end starts the sensor program, measures the weight, and uploads the data to the PLC control platform.

[0045] 6, PLC control platform displays data, and automatically controls whether to continue overturning in combination with the range.

[0046] Example 1

[0047] Metal barrel inner wall wall -hanging coating homogenization

[0048] 1. The basic homogenization of the wall-hung paint has been completed in advance, and the total weight of 30 kg is obtained by pre-weighing, and the container weight is known

[0049] 20.336 kg), and the cylindrical metal container with a bottom diameter of Φ200 mm and a height of 200 mm is placed on the convex electromagnetic chuck. The initial total weight of 28.222 kg is weighed.

[0050] 2. Start the PLC console to make the electromagnet energized, and the container bottom is magnetically attracted. Set the final control wall-hung viscous fluid weight range (50-60% of the pre-weighed value).

[0051] 3. Start the program to set the overturning dwell time and angle (2 min, 120°), and overturn at a constant speed of 10° / s. The overturning device starts to overturn.

[0052] 4. After each round of overturning, return to the original position. The electromagnet is de-energized, the pneumatic support rod is raised, and the chuck is leveled. After leveling the base, the pneumatic support rod is lowered back to the original position.

[0053] 5. The control end starts the sensor program to measure the weight and upload the data to the PLC console.

[0054] 6. The PLC console displays the data and automatically controls whether to continue overturning in combination with the range.

[0055] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made in accordance with the spirit and essence of the present application should be covered within the protection scope of the present application.

Claims

1. A dynamic continuous measurement device for the weight loss of viscous fluids, characterized in that, The device includes: Pneumatic support rods are symmetrically arranged on the bracket; A bearing is provided at the upper end of one side of the bracket, the bearing is connected to the tilt bearing shaft, and the tilt bearing shaft is fixedly connected to the tilt bearing connecting block; a drive shaft is symmetrically provided at the same position at the upper end of the other side of the bracket, one end of the drive shaft is fixed to the chuck, and the other end is connected to the servo motor; A convex electromagnetic chuck is set in the center of the chuck, and the two are fitted with a clearance. A weighing connecting shaft is set at the bottom center of the convex electromagnetic chuck. The weighing connecting shaft passes through the electromagnetic shielding sleeve and is connected to the weight-reducing chuck mounting bracket. The electromagnetic shielding sleeve covers the spoke-type pressure sensor. The weight-reducing suction cup mounting bracket is connected to the sensor fixing bracket on both sides, and the sensor fixing bracket is fixedly connected to the chuck.

2. The dynamic continuous measurement device for weight loss of viscous fluids according to claim 1, characterized in that, The pneumatic support rod is mounted on a fixed base inside the bracket.

3. The dynamic continuous measurement device for weight loss of viscous fluids according to claim 1, characterized in that, The servo motor is fixedly connected to the outside of the bracket by screws.

4. The dynamic continuous measurement device for weight loss of viscous fluids according to claim 1, characterized in that, The flip bearing connecting block is fixedly connected to the flip bearing shaft by two screws.

5. The dynamic continuous measurement device for weight loss of viscous fluids according to claim 1, characterized in that, The convex electromagnetic chuck and the chuck are fitted with a clearance, and lubricating oil is applied between them. When the convex electromagnetic chuck is flipped, it magnetically attracts both the chuck and the metal container it carries, thus fixing the degree of freedom of the metal container along the chuck direction.

6. The dynamic continuous measurement device for weight loss of viscous fluids according to claim 1, characterized in that, The sensor mounting bracket is attached to the chuck with screws.

7. The dynamic continuous measurement device for weight loss of viscous fluids according to claim 1, characterized in that, The bracket is 1160mm long and 730mm high, and is fixed to the ground with screws.

8. The dynamic continuous measurement device for weight loss of viscous fluids according to claim 1, characterized in that, When unloaded, metal containers must not exceed 30kg in weight, and their bottom width / side length / diameter must not exceed 300mm, and their height must not exceed 400mm.

9. The dynamic continuous measurement device for weight loss of viscous fluids according to claim 1, characterized in that, The PLC control console is connected to the convex electromagnetic chuck and servo motor via control lines.

10. The dynamic continuous measurement device for weight loss of viscous fluids according to claim 1, characterized in that, The range of the spoke-type pressure sensor is 0-50kg.