A high-temperature resistant liquid dispensing meter

By installing a heating sleeve and an electric heating ring on the outside of the metering machine, combined with heat insulation and a stirring shaft, the safety and quantitative issues of the metering machine when metering liquids at high temperatures are solved, achieving safe and efficient addition and stirring of liquids.

CN224286084UActive Publication Date: 2026-05-26HAN RIGID IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HAN RIGID IND CO LTD
Filing Date
2025-06-10
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

When metering liquids at high temperatures, the internal temperature control structure of existing metering machines comes into direct contact with the liquids, which poses inconvenience and safety risks.

Method used

Design a high-temperature resistant liquid dispensing metering machine. Temperature is controlled by setting a heating sleeve and an electric heating ring outside the metering hopper. The internal part is isolated from the heating equipment by heat insulation. Quantitative addition is carried out by combining a weight sensing ring plate and a solenoid valve. The discharge is assisted by stirring by rotating a motor and stirring shaft.

Benefits of technology

It achieves safe heating control for high-temperature resistant liquid formulations, avoids direct contact between heating equipment and formulations, improves safety and accuracy of quantitative addition, and facilitates the addition and mixing of various formulations.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224286084U_ABST
    Figure CN224286084U_ABST
Patent Text Reader

Abstract

This utility model discloses a high-temperature resistant liquid dispensing metering machine, belonging to the field of metering technology. It includes a base plate and a metering hopper. A through groove is formed at the center of the top of the base plate, and a weight-sensing ring plate is installed at the edge of the top of the through groove. A pressure ring plate is fixed to the side wall of the metering hopper. A mounting cover is threaded onto the top of the metering hopper, and a feed pipe is connected to the mounting cover. A feed solenoid valve is installed at the connection between the feed pipe and the mounting cover. A discharge pipe is connected to the bottom of the metering hopper, and a discharge solenoid valve is installed at the connection between the discharge pipe and the metering hopper. A heating sleeve with vertical connections is fixed to the top of the base plate, and electric heating rings are fixed at equal intervals on the inner wall of the heating sleeve. Through this method, heating is performed from the outside, avoiding direct contact between the heating equipment and the dispensing agent, making it convenient to use and ensuring high safety.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of metrology technology, specifically to a high-temperature resistant liquid dispensing meter. Background Technology

[0002] Polyvinyl chloride resin is a commonly used plastic material. To ensure its performance, liquid production aids need to be added during its production and processing. Various liquid raw materials need to be prepared according to the matching formula. Different production needs require the addition of different amounts of liquid additives. Currently, the dosage of liquid additives is generally controlled by a metering machine. However, for some special liquid additives, certain temperature requirements are needed during metering. When they are transferred in the metering machine, high temperature control is required to ensure their properties. This is generally achieved by setting up a temperature control structure in the metering machine.

[0003] Current metering machines have internal temperature control structures that come into direct contact with the liquid preparations when metering high-temperature resistant liquids, which is inconvenient to use and poses certain safety risks.

[0004] Based on this, this invention designs a high-temperature resistant liquid dispensing metering machine to solve the above problems. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a high-temperature resistant liquid dispensing metering machine.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A high-temperature resistant liquid dispensing metering machine includes a base plate and a metering hopper. A through groove is formed at the center of the top of the base plate, and a weight sensing ring plate is installed at the edge of the top of the through groove. A pressure ring plate is fixed on the side wall of the metering hopper. A mounting cover is threaded onto the top of the metering hopper, and a feed pipe is connected to the mounting cover. A feed solenoid valve is installed at the connection between the feed pipe and the mounting cover. A discharge pipe is connected to the bottom of the metering hopper, and a discharge solenoid valve is installed at the connection between the discharge pipe and the metering hopper. A heating sleeve with vertical connection is fixed at the top of the base plate, and electric heating rings are fixed at equal intervals on the inner wall of the heating sleeve.

[0008] Furthermore, the measuring hopper includes a cylindrical portion and a conical portion, and the pressure ring plate is fixed at the connection position between the cylindrical portion and the conical portion.

[0009] Furthermore, the horizontal plane at the top of the heating sleeve is slightly lower than the horizontal plane at the top of the measuring hopper, and the electric heating ring is in contact with the outer wall of the measuring hopper.

[0010] Furthermore, the feed pipe is evenly distributed around the center of the top of the mounting cover, and a heat insulation component is installed on the top of the mounting cover. The heat insulation component includes a top cover, a through hole, a limiting ring, and a connecting pipe. The top cover is installed above the feed pipe, the through hole is evenly distributed around the top of the top cover, the limiting ring is fixed to the side wall of the feed pipe, and the connecting pipe is threaded to the top of the feed pipe.

[0011] Furthermore, the outer diameter of the feed pipe is the same as the diameter of the through hole, the connecting pipe is fixed to the part of the feed pipe that extends beyond the top of the top cover, and the top cover is provided with auxiliary numbers.

[0012] Furthermore, the top end of the heating sleeve is threaded with two sets of sealing semi-rings, the height of which is equal to the vertical distance from the bottom end of the mounting cover to the top end of the heating sleeve.

[0013] Furthermore, a rotating motor is installed at the top of the top cover, and the output end of the rotating motor rotates through the top cover and is connected to a stirring shaft. The stirring shaft rotates through the mounting cover, and sub-shafts are installed at equal intervals on the side wall of the stirring shaft.

[0014] Furthermore, the bottom end of the stirring shaft is flush with the bottom end of the inner cavity of the conical portion.

[0015] Furthermore, the sub-shaft includes an upper sub-shaft and a lower sub-shaft, with the upper sub-shaft equally spaced within the cylindrical portion and the lower sub-shaft equally spaced within the conical portion.

[0016] Furthermore, a connecting rod is installed between the rotating motor and the stirring shaft, and connecting discs are fixed at both ends of the connecting rod, the end of the stirring shaft, and the end of the output shaft of the rotating motor, and the connecting discs are threaded together.

[0017] Beneficial effects

[0018] 1. By using a heating sleeve and an electric heating ring set outside the metering hopper, the metering hopper is heated from the outside to ensure the temperature requirement of the high-temperature resistant liquid preparation, avoiding direct contact between the heating equipment and the preparation, making it convenient to use and highly safe.

[0019] 2. By installing heat insulation components and separating the top cover and metering hopper, it is easy to connect the connecting pipe to external conveying equipment; by setting auxiliary numbers, when multiple liquid additives need to be added, the feed solenoid valves can be opened sequentially using the auxiliary numbers, and the liquid additives can be added into the metering hopper sequentially through multiple sets of feed pipes. During the process, the weight sensor ring plate monitors the weight and controls the amount of each added liquid additive in real time for quantitative addition, which is convenient to use; by setting a rotating motor, stirring shaft, sub-shaft, upper sub-shaft and lower sub-shaft, the rotating motor drives the stirring shaft to rotate the sub-shaft, and the upper and lower sub-shafts are used to stir the liquid additives in the metering hopper, which assists in the discharge; by setting connecting rods and connecting plates, it is easy to connect the rotating motor and the stirring shaft. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a three-dimensional view of the main structure of a high-temperature resistant liquid dispensing meter according to the present invention;

[0022] Figure 2 This is a three-dimensional view of the base plate structure of a high-temperature resistant liquid dispensing meter according to the present invention;

[0023] Figure 3 This is a perspective view of the heating sleeve structure of a high-temperature resistant liquid dispensing meter according to the present invention;

[0024] Figure 4 This is a three-dimensional view of the metering hopper structure of a high-temperature resistant liquid dispensing metering machine according to this utility model;

[0025] Figure 5 This is a perspective view of the mounting cover structure of a high-temperature resistant liquid dispensing meter according to the present invention;

[0026] Figure 6 This is a perspective view of the sub-shaft structure of a high-temperature resistant liquid dispensing meter according to the present invention;

[0027] Figure 7 This is a three-dimensional view of the heat insulation component structure of a high-temperature resistant liquid dispensing meter according to the present invention.

[0028] The labels in the diagram represent:

[0029] 1. Base plate; 2. Measuring hopper; 3. Through groove; 4. Weight sensing ring plate; 5. Pressure ring plate; 6. Mounting cover; 7. Feed pipe; 8. Feed solenoid valve; 9. Discharge pipe; 10. Discharge solenoid valve; 11. Heating sleeve; 12. Electric heating ring; 13. Cylindrical part; 14. Conical part; 15. Top cover; 16. Through hole; 17. Limiting ring; 18. Connecting pipe; 19. Auxiliary number; 20. Sealing half ring; 21. Rotating motor; 22. Stirring shaft; 23. Sub-shaft; 24. Upper sub-shaft; 25. Lower sub-shaft; 26. Connecting rod; 27. Connecting plate. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0031] The present invention will be further described below with reference to the embodiments.

[0032] In some embodiments, please refer to the accompanying drawings. Figure 1 , Figure 2 , Figure 3 and Figure 4 A high-temperature resistant liquid dispensing metering machine includes a base plate 1 and a metering hopper 2. A through groove 3 is opened at the center of the top of the base plate 1. A weight sensing ring plate 4 is installed at the edge of the top of the through groove 3. A pressure ring plate 5 is fixed on the side wall of the metering hopper 2. An installation cover 6 is threaded on the top of the metering hopper 2. A feed pipe 7 is connected to the installation cover 6. A feed solenoid valve 8 is set at the connection between the feed pipe 7 and the installation cover 6. A discharge pipe 9 is connected to the bottom of the metering hopper 2. A discharge solenoid valve 10 is installed at the connection between the discharge pipe 9 and the metering hopper 2. A heating sleeve 11 with upper and lower connections is fixed at the top of the base plate 1. Electric heating rings 12 are fixed at equal intervals on the inner wall of the heating sleeve 11.

[0033] In this embodiment of the utility model, during use, the metering hopper 2 is placed on the base plate 1, so that the discharge pipe 9 passes through the through groove 3. At this time, the weight sensing ring plate 4 falls on the pressure ring plate 5. The liquid additive to be added is added into the metering hopper 2 through the feed pipe 7. The metering hopper 2 is heated by the electric heating ring 12 in the external heating sleeve 11. During the addition process, the weight sensing ring plate 4 performs weight sensing and monitoring. When the addition amount is reached, the feed solenoid valve 8 is closed to stop the feeding. At the same time, the discharge solenoid valve 10 is opened, and the quantitative liquid additive enters the external processing equipment through the discharge pipe 9.

[0034] In this embodiment of the utility model, the heating sleeve 11 and the electric heating ring 12 set outside the metering hopper 2 are used to heat the metering hopper 2 from the outside to ensure the temperature requirement of the high temperature resistant liquid preparation, avoid the heating equipment from directly contacting the preparation, and make it convenient to use and have high safety.

[0035] In one embodiment of this utility model, the measuring hopper 2 includes a cylindrical part 13 and a conical part 14. The pressure ring plate 5 is fixed at the connection position between the cylindrical part 13 and the conical part 14 to facilitate the placement of the measuring hopper 2. The horizontal plane at the top of the heating sleeve 11 is slightly lower than the horizontal plane at the top of the measuring hopper 2. The electric heating ring 12 is in contact with the outer wall of the measuring hopper 2 to facilitate heating of the measuring hopper 2.

[0036] In some embodiments, such as Figure 1 , Figure 3 , Figure 5 , Figure 6 and Figure 7 As shown, the feed pipe 7 is evenly distributed around the center of the top of the mounting cover 6. A heat insulation component is installed on the top of the mounting cover 6. The heat insulation component includes a top cover 15, a through hole 16, a limiting ring 17, and a connecting pipe 18. The top cover 15 is installed above the feed pipe 7. An auxiliary number 19 is provided on the top cover 15. The through hole 16 is evenly distributed around the top of the top of the top cover 15. The outer diameter of the feed pipe 7 is the same as the diameter of the through hole 16. The limiting ring 17 is fixed to the side wall of the feed pipe 7. The connecting pipe 18 is threadedly fixed to the top of the feed pipe 7. The connecting pipe 18 is fixed to the part of the feed pipe 7 that extends beyond the top of the top cover 15. Two sets of sealing half rings 20 are threadedly fixed to the top of the heating sleeve 11. The height of the sealing half rings 20 is equal to the distance from the bottom of the mounting cover 6 to the top of the heating sleeve 11. The vertical distance between the ends, the top cover 15 is equipped with a rotating motor 21, the output end of the rotating motor 21 rotates through the top cover 15 and is connected to a stirring shaft 22, the bottom end of the stirring shaft 22 is flush with the bottom end of the inner cavity of the conical part 14, the stirring shaft 22 rotates through the mounting cover 6, the side wall of the stirring shaft 22 is equipped with sub-shafts 23 at equal intervals, the sub-shafts 23 include an upper sub-shaft 24 and a lower sub-shaft 25, the upper sub-shaft 24 is evenly arranged in the cylindrical part 13, the lower sub-shaft 25 is evenly arranged in the conical part 14, a connecting rod 26 is installed between the rotating motor 21 and the stirring shaft 22, the two ends of the connecting rod 26, the end of the stirring shaft 22 and the end of the output shaft of the rotating motor 21 are fixed with connecting discs 27, and the connecting discs 27 are threaded together;

[0037] In this embodiment of the invention, during use, the metering hopper 2 is placed on the base plate 1, with the discharge pipe 9 passing through the through groove 3. At this time, the weight sensing ring plate 4 rests on the pressure ring plate 5. Then, the top cover 15 is installed on the feed pipe 7 using the limiting ring 17, and an external conveying device is connected through the connecting pipe 18. Then, the sealing half ring 20 is installed between the heating sleeve 11 and the mounting cover 6. The required liquid additive is added into the metering hopper 2 through the feed pipe 7. During the process, the metering hopper 2 is heated by the electric heating ring 12 inside the external heating sleeve 11. When multiple liquid additives need to be added, the feed is opened sequentially using the auxiliary number 19. Solenoid valve 8 sequentially adds liquid additives to metering hopper 2 through multiple sets of feed pipes 7. During the sequential addition process, weight sensor ring plate 4 monitors the weight and controls the amount of each added liquid additive in real time. When the addition amount is reached, the corresponding feed solenoid valve 8 closes to stop that type of feeding, while the discharge solenoid valve 10 opens to allow a quantitative amount of liquid additive to enter the external processing equipment through discharge pipe 9. During the addition process, rotating motor 21 drives stirring shaft 22 to rotate sub-shaft 23. During discharge, upper sub-shaft 24 and lower sub-shaft 25 are used to stir the liquid additive in metering hopper 2 to assist in its discharge.

[0038] In this embodiment of the invention, by providing a heat insulation component, the top cover 15 and the metering hopper 2 are separated, facilitating connection of the connecting pipe 18 to external conveying equipment. By providing an auxiliary number 19, when multiple liquid additives need to be added, the auxiliary number 19 can be used to sequentially open the feeding solenoid valve 8, and the liquid additives can be added to the metering hopper 2 sequentially through multiple sets of feeding pipes 7. During the process, the weight sensing ring plate 4 performs weight sensing and monitoring, and controls the amount of each added liquid additive in real time for quantitative addition, which is convenient to use. By providing a rotating motor 21, a stirring shaft 22, a sub-shaft 23, an upper sub-shaft 24, and a lower sub-shaft 25, the rotating motor 21 drives the stirring shaft 22 to drive the sub-shaft 23 to rotate, and the upper sub-shaft 24 and lower sub-shaft 25 are used to stir the liquid additives in the metering hopper 2, providing assistance during discharge. By providing a connecting rod 26 and a connecting plate 27, the connection between the rotating motor 21 and the stirring shaft 22 is facilitated.

[0039] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A high-temperature resistant liquid formulation metering machine comprising a base plate (1) and a metering hopper (2), characterized in that: The bottom plate (1) has a through groove (3) at the top center. A weight sensing ring plate (4) is installed on the top edge of the through groove (3). A pressure ring plate (5) is fixed on the side wall of the metering hopper (2). An installation cover (6) is threaded on the top of the metering hopper (2). A feed pipe (7) is connected to the installation cover (6). A feed solenoid valve (8) is provided at the connection between the feed pipe (7) and the installation cover (6). A discharge pipe (9) is connected to the bottom of the metering hopper (2). A discharge solenoid valve (10) is installed at the connection between the discharge pipe (9) and the metering hopper (2). A heating sleeve (11) with vertical connection is fixed on the top of the bottom plate (1). Electric heating rings (12) are fixed at equal intervals on the inner wall of the heating sleeve (11).

2. The high temperature resistant liquid dosing machine of claim 1, wherein, The measuring hopper (2) includes a cylindrical part (13) and a conical part (14), and the pressure ring plate (5) is fixed at the connection position between the cylindrical part (13) and the conical part (14).

3. The high-temperature resistant liquid dispensing metering machine according to claim 2, characterized in that, The top of the heating sleeve (11) is at a slightly lower level than the top of the measuring hopper (2), and the electric heating ring (12) is in contact with the outer wall of the measuring hopper (2).

4. The high-temperature resistant liquid dispensing metering machine according to claim 3, characterized in that, The feed pipe (7) is evenly arranged around the center of the top of the mounting cover (6). A heat insulation component is installed on the top of the mounting cover (6). The heat insulation component includes a top cover (15), a through hole (16), a limiting ring (17), and a connecting pipe (18). The top cover (15) is installed above the feed pipe (7). The through hole (16) is evenly opened around the top of the top cover (15). The limiting ring (17) is fixed to the side wall of the feed pipe (7). The connecting pipe (18) is threadedly fixed to the top of the feed pipe (7).

5. The high-temperature resistant liquid dispensing metering machine according to claim 4, characterized in that, The outer diameter of the feed pipe (7) is the same as the diameter of the through hole (16). The connecting pipe (18) is fixed to the part of the feed pipe (7) that extends beyond the top of the top cover (15). An auxiliary number (19) is provided on the top cover (15).

6. The high-temperature resistant liquid dispensing metering machine according to claim 5, characterized in that, The top end of the heating sleeve (11) is threaded with two sets of sealing half rings (20), the height of which is equal to the vertical distance from the bottom end of the mounting cover (6) to the top end of the heating sleeve (11).

7. The high-temperature resistant liquid dispensing metering machine according to claim 6, characterized in that, A rotating motor (21) is installed at the top of the top cover (15). The output end of the rotating motor (21) rotates through the top cover (15) and is connected to a stirring shaft (22). The stirring shaft (22) rotates through the mounting cover (6). Sub-shafts (23) are installed at equal intervals on the side wall of the stirring shaft (22).

8. The high-temperature resistant liquid dispensing metering machine according to claim 7, characterized in that, The bottom end of the stirring shaft (22) is flush with the bottom end of the inner cavity of the conical part (14).

9. The high-temperature resistant liquid dispensing metering machine according to claim 8, characterized in that, The sub-shaft (23) includes an upper sub-shaft (24) and a lower sub-shaft (25). The upper sub-shaft (24) is equally spaced within the cylindrical portion (13), and the lower sub-shaft (25) is equally spaced within the conical portion (14).

10. The high-temperature resistant liquid dispensing metering machine according to claim 9, characterized in that, A connecting rod (26) is installed between the rotating motor (21) and the stirring shaft (22). Connecting discs (27) are fixed at both ends of the connecting rod (26), the end of the stirring shaft (22), and the end of the output shaft of the rotating motor (21). The connecting discs (27) are threaded together.