Polyurethane pouring sealant component blending device

By using ultrasonic vibration and temperature control devices, the problem of foam generation in polyurethane potting compound was solved, improving the adhesive strength and quality of the compound.

CN224194172UActive Publication Date: 2026-05-05NINGBO YUANCHENG NEW MATERIAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO YUANCHENG NEW MATERIAL TECH CO LTD
Filing Date
2025-04-15
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

During the mixing process of polyurethane potting compound, incompatibility of chemical additives, excessively high mixing temperature, or excessive humidity can lead to foam formation, affecting the adhesive strength and quality of the compound.

Method used

An ultrasonic vibrating rod and a temperature control device are used to reduce bubble generation or accelerate bubble release by breaking the surface tension of bubbles through ultrasound and combining it with temperature regulation.

Benefits of technology

It effectively reduces air bubbles and improves the bonding strength and quality of the potting compound.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224194172U_ABST
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Abstract

The utility model discloses a polyurethane pouring sealant component blending device, and relates to the technical field of pouring sealant production. Comprising a reaction kettle body and a kettle cover, the kettle cover is installed at the top of the reaction kettle body through a flange, a water jacket is arranged on the outer side of the reaction kettle body, an ultrasonic generator is installed on the outer wall of the water jacket, a center sleeve is arranged at the bottom of the reaction kettle body, and an ultrasonic vibration rod is installed in the center sleeve. According to the polyurethane pouring sealant component blending device, the temperature transmitter is used for detecting the temperature change in the kettle in real time, and the water jacket is used for adjusting the temperature in the kettle by heating or cooling water in the water jacket, so that the generation of bubbles is reduced or the bubbles in the material are released in an accelerated manner by controlling the temperature of the pouring sealant, and in the mixing and stirring process, the bubbles in the material can be quickly released. The ultrasonic vibration rod can transmit ultrasonic waves into the pouring sealant, so that the surface tension of bubbles is damaged, the bubbles are broken and disappear, and the product quality is improved.
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Description

Technical Field

[0001] This utility model relates to the field of potting compound production technology, specifically a polyurethane potting compound component mixing device. Background Technology

[0002] Encapsulating adhesives, also known as electronic adhesives, are used for bonding, sealing, potting, and coating protection of electronic components. Encapsulation is an important application area of ​​polyurethane. Encapsulation involves mechanically or manually injecting liquid polyurethane composites into devices containing electronic components and circuits, which then cure at room temperature or under heating conditions to become high-performance thermosetting polymer insulating materials. Its function is to strengthen the integrity of electronic devices, improve their resistance to external impacts and vibrations, enhance the insulation between internal components and circuits, facilitate the miniaturization and weight reduction of devices, avoid direct exposure of components and circuits, and improve the waterproof and moisture-proof performance of devices.

[0003] During the preparation of polyurethane potting compound, mixing equipment is required to stir the component materials. The internal stirring mechanism is used to fully mix the components. However, during the mixing process, due to incompatible chemical additives, excessively high mixing temperature or humidity, or uneven component distribution, a lot of foam is easily generated during mixing. Foam reduces the adhesive strength of the compound and affects its quality. The stirring mechanism alone cannot effectively and fully eliminate the foam. Utility Model Content

[0004] This invention provides a polyurethane potting compound component mixing device to solve the problems in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a polyurethane potting compound component mixing device, comprising a reaction vessel body and a vessel cover, wherein the vessel cover is installed on the top of the reaction vessel body via a flange, a water jacket is provided on the outer side of the reaction vessel body, and an ultrasonic generator is installed on the outer wall of the water jacket, a central sleeve is provided at the bottom of the reaction vessel body, and an ultrasonic vibrating rod is installed inside the central sleeve, the ultrasonic vibrating rod and the ultrasonic generator are electrically connected via wires, a stirring paddle is provided inside the reaction vessel body, a stirring motor is installed on the top of the vessel cover, and the output shaft end of the stirring motor is fixedly connected to the stirring paddle via a coupling, and a temperature transmitter is installed on the top of the vessel cover.

[0006] Furthermore, the upper part of the water jacket is provided with a support, and the supports are evenly distributed around the water jacket.

[0007] Furthermore, the water jacket has a medium inlet at its upper part and a medium outlet at its bottom.

[0008] Furthermore, the bottom of the reactor body is provided with a discharge port, and the reactor lid is provided with a feeding port.

[0009] Furthermore, the vessel lid is provided with a pipe interface and an observation window, and the temperature transmitter is installed on the pipe interface.

[0010] Furthermore, the stirring paddle has a recessed opening in the middle, and the central sleeve is located at the center of the recessed opening.

[0011] Compared with the prior art, this utility model provides a polyurethane potting compound component mixing device, which has the following beneficial effects:

[0012] This polyurethane potting compound mixing device includes a temperature transmitter for real-time monitoring of temperature changes inside the vessel, and a water jacket for regulating the temperature inside the vessel by heating or cooling the water. This controls the temperature of the potting compound to reduce bubble formation or accelerate the release of bubbles in the material. During the mixing process, an ultrasonic vibrator transmits ultrasonic waves to the potting compound, thereby breaking the surface tension of the bubbles, causing them to burst and disappear, which helps improve product quality. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a cross-sectional view of the present invention;

[0015] Figure 3 This is a top view of the present invention.

[0016] In the diagram: 1. Reactor body; 2. Reactor cover; 3. Water jacket; 4. Ultrasonic generator; 5. Central sleeve; 6. Ultrasonic vibrator; 7. Stirring paddle; 8. Stirring motor; 9. Temperature transmitter; 10. Support; 11. Medium inlet; 12. Medium outlet; 13. Discharge port; 14. Feed port; 15. Pipe interface; 16. Observation window; 17. Hollowed-out clearance. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figures 1-3This utility model discloses a polyurethane potting compound component mixing device, including a reaction vessel body 1 and a vessel cover 2. The vessel cover 2 is installed on the top of the reaction vessel body 1 via a flange. A water jacket 3 is provided on the outer side of the reaction vessel body 1, and an ultrasonic generator 4 is installed on the outer wall of the water jacket 3. A central sleeve 5 is provided at the bottom of the reaction vessel body 1, and an ultrasonic vibrating rod 6 is installed inside the central sleeve 5. The ultrasonic vibrating rod 6 is electrically connected to the ultrasonic generator 4 via a wire. A stirring paddle 7 is provided inside the reaction vessel body 1, and a stirring motor 8 is installed on the top of the vessel cover 2. Furthermore, the output shaft of the stirring motor 8 is fixedly connected to the stirring paddle 7 via a coupling. A temperature transmitter 9 is installed on the top of the kettle cover 2. The temperature transmitter 9 is used to detect the temperature change inside the kettle in real time. The water jacket 3 is used to regulate the temperature inside the kettle by heating or cooling the water inside, thereby reducing the generation of bubbles or accelerating the release of bubbles in the material by controlling the temperature of the potting compound. During the mixing and stirring process, the ultrasonic vibrating rod 6 can transmit ultrasonic waves to the potting compound, thereby breaking the surface tension of the bubbles, causing the bubbles to break and disappear, which is beneficial to improving the quality of the product.

[0019] Specifically, the upper part of the water jacket 3 is provided with a support 10, and the supports 10 are evenly distributed around the water jacket 3.

[0020] In this embodiment, the support 10 serves to provide a support point, thereby ensuring that the reactor can be stably installed in the appropriate position.

[0021] Specifically, the water jacket 3 has a medium inlet 11 at its upper part and a medium outlet 12 at its bottom.

[0022] In this embodiment, the chemical reaction in the reactor usually needs to be carried out at a specific temperature. When the temperature inside the reactor changes due to the influence of the external environment, the water jacket 3 can adjust the temperature inside the reactor by heating or cooling the water in the jacket to ensure that the reaction is carried out at a suitable temperature.

[0023] Specifically, the bottom of the reactor body 1 is provided with a discharge port 13, and the reactor cover 2 is provided with a feeding port 14.

[0024] In this embodiment, before mixing and stirring, raw materials or catalysts need to be added through the feed port 14 to ensure the smooth progress of the reaction. After mixing and stirring is completed, the reaction products can be taken out through the discharge port 13 for subsequent processing or analysis.

[0025] Specifically, the vessel cover 2 is provided with a pipe interface 15 and an observation window 16, and the temperature transmitter 9 is installed on the pipe interface 15.

[0026] In this embodiment, the pipe interface 15 is an assembly structure, mainly used for the installation and fixing of the temperature transmitter 9. The observation window 16 is mainly used to observe the material reaction inside the reactor. Through it, the operator can understand the temperature, pressure, liquid level and material status in real time during the reaction process, so as to adjust the operating parameters in a timely manner and ensure that the reaction proceeds according to the predetermined process conditions.

[0027] Specifically, the stirring paddle 7 has a relief hollow 17 in the middle, and the central sleeve 5 is located at the center of the relief hollow 17.

[0028] In this embodiment, the stirring motor 8 drives the stirring paddle 7 to stir and mix the raw materials, while the clearance hole 17 serves to make way and avoid structural interference with the central sleeve 5.

[0029] During use, raw materials or catalysts need to be added through the feeding port 14. The stirring motor 8 drives the stirring paddle 7 to stir and mix the raw materials. The temperature transmitter 9 is used to detect the temperature change inside the vessel in real time. The water jacket 3 is used to regulate the temperature inside the vessel by heating or cooling the water inside. This controls the temperature of the potting compound to reduce the generation of bubbles or accelerate the release of bubbles in the material. During the mixing process, the ultrasonic vibrating rod 6 can transmit ultrasonic waves to the potting compound, thereby breaking the surface tension of the bubbles, causing the bubbles to break and disappear, which is beneficial to improving the quality of the product.

[0030] In summary, this polyurethane potting compound component mixing device uses a temperature transmitter 9 to detect temperature changes inside the vessel in real time, and a water jacket 3 to regulate the temperature inside the vessel by heating or cooling the water therein. This controls the temperature of the potting compound to reduce the generation of bubbles or accelerate the release of bubbles in the material. During the mixing process, the ultrasonic vibrator 6 transmits ultrasonic waves to the potting compound, thereby breaking the surface tension of the bubbles, causing them to burst and disappear, which helps to improve product quality.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A polyurethane potting compound component mixing device, comprising a reaction vessel body (1) and a vessel lid (2), characterized in that: The vessel cover (2) is installed on the top of the reactor body (1) via a flange. A water jacket (3) is provided on the outside of the reactor body (1), and an ultrasonic generator (4) is installed on the outer wall of the water jacket (3). A central sleeve (5) is provided at the bottom of the reactor body (1), and an ultrasonic vibrating rod (6) is installed inside the central sleeve (5). The ultrasonic vibrating rod (6) and the ultrasonic generator (4) are electrically connected via wires. A stirring paddle (7) is provided inside the reactor body (1). A stirring motor (8) is installed on the top of the vessel cover (2), and the output shaft end of the stirring motor (8) is fixedly connected to the stirring paddle (7) via a coupling. A temperature transmitter (9) is installed on the top of the vessel cover (2).

2. The polyurethane potting compound component mixing device according to claim 1, characterized in that: The upper part of the water jacket (3) is provided with a support (10), and the supports (10) are evenly distributed around the water jacket (3).

3. The polyurethane potting compound component mixing device according to claim 1, characterized in that: The water jacket (3) has a medium inlet (11) at the top and a medium outlet (12) at the bottom.

4. The polyurethane potting compound component mixing device according to claim 1, characterized in that: The bottom of the reactor body (1) is provided with a discharge port (13), and the lid (2) is provided with a feeding port (14).

5. The polyurethane potting compound component mixing device according to claim 1, characterized in that: The vessel cover (2) is provided with a pipe interface (15) and an observation window (16), and the temperature transmitter (9) is installed on the pipe interface (15).

6. The polyurethane potting compound component mixing device according to claim 1, characterized in that: The stirring paddle (7) has a recessed opening (17) in the middle, and the central sleeve (5) is located at the center of the recessed opening (17).