Polyurethane high-pressure foaming machine

CN224809920UActive Publication Date: 2026-09-29SHANGHAI PUDONG YIXIANG HEAT PRESERVATION MATERIALS CO LTD
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Patent Information

Application Number
CN202522337767.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-04
Publication Date
2026-09-29
Estimated Expiration
2035-11-04

AI Technical Summary

Technical Problem

[0004]为了弥补以上不足,本实用新型提供了一种聚氨酯高压发泡机,旨在改善现有技术中发泡质量不稳定,出现局部密度不均和泡孔结构差的问题,生产效率低下的同时长时间会导致零部件易损,设备可靠性低且维护难度大的问题

Benefits of technology

1、本实用新型中,该聚氨酯高压发泡机工作时,固定架支撑整体结构,料罐内的物料经进料管进入,流量计监测流量,电机一带动搅拌叶搅拌物料,水泵通过上料管和排管实现物料循环加工,保证发泡质量的稳定,调节机构控制温度,冷却机构辅助降温,各机构协同工作,防止出现局部密度不均和泡孔结构差的问题,提高生产效率的同时,保证设备可靠性且便于维护。

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Abstract

The utility model relates to foaming machine technical field discloses a kind of polyurethane high-pressure foaming machines, including fixed frame, the outer wall top of fixed frame is fixedly connected with foaming mechanism, the foaming mechanism is used to facilitate maintenance foaming machine, the outer wall one side of fixed frame is fixedly connected with adjusting mechanism, the adjusting mechanism is used to control temperature adjustment, the outer wall top of adjusting mechanism is fixedly connected with cooling mechanism;The foaming mechanism includes tank, the tank is fixedly connected in the outer wall top of fixed frame, the top one side of tank is equipped with exhaust pipe, the outer wall top of tank is connected with feed pipe spare.This polyurethane high-pressure foaming machine works in the utility model, fixed frame supports overall structure, material in tank enters by feed pipe, prevent the problem that local density is uneven and cell structure is poor, improve production efficiency, guarantee equipment reliability and facilitate maintenance at the same time.
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Description

Technical Field

[0001] This utility model relates to the field of foaming machine technology, and in particular to a polyurethane high-pressure foaming machine. Background Technology

[0002] A polyurethane high-pressure foaming machine is a specialized piece of equipment used to foam polyurethane raw materials after mixing them under high pressure. The high-pressure environment promotes rapid and uniform mixing of the two components, resulting in a chemical reaction that produces polyurethane foam. Due to its excellent thermal insulation properties, polyurethane foam is widely used in building insulation. As building energy efficiency standards improve, the requirements for foam density, uniformity, and insulation performance become more stringent. Traditional foaming equipment struggles to meet the demands of large-scale, high-quality production. The need arises for the rapid and stable production of large quantities of foam boards that meet specific insulation standards, requiring foaming machines with higher precision and stability to ensure consistent product quality.

[0003] A search revealed Chinese Patent Publication No. CN113352535B, which discloses a precision polyurethane high-pressure foaming machine, relating to the field of foaming machine technology. The machine includes a workbench with a material conveying box on top. A mixing chamber is located on top of the material conveying box. A fixing plate is fixedly connected to one side of the mixing chamber by screws. A material conveying cylinder is located on one side of the fixing plate. A spiral conveying rod is rotatably connected to the inner cavity of the material conveying cylinder. This precision polyurethane high-pressure foaming machine, by incorporating a spiral conveying rod, a third solenoid valve, and a fourth solenoid valve, can move raw materials that are difficult to be stirred by the main and auxiliary stirring rods in the lower part of the mixing chamber to the upper part, allowing the raw materials inside the mixing chamber to be fully stirred. The mixing process, equipped with a feeding box, extrusion plate, and first solenoid valve, ensures that the raw materials on the left side of the mixing tank are fully mixed with those on the right side, thereby improving the polyurethane foaming efficiency. However, in existing high-pressure polyurethane foaming machines, traditional foaming equipment suffers from inaccurate control of temperature, pressure, and raw material ratio parameters, leading to unstable foaming quality, uneven density in certain areas, and poor cell structure. This affects product performance and lifespan. Furthermore, the low level of automation, large human error, and slow heating and cooling of the equipment result in low production efficiency. Over time, this also leads to easy damage to parts, aging and leakage of seals, and rapid wear of key components. The equipment has low reliability and is difficult to maintain, increasing the operating costs for enterprises. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a polyurethane high-pressure foaming machine, which aims to improve the problems of unstable foaming quality, uneven local density and poor cell structure in the prior art, low production efficiency, easy damage to parts over time, low equipment reliability and high maintenance difficulty.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a polyurethane high-pressure foaming machine, comprising a fixed frame, a foaming mechanism fixedly connected to the top of the outer wall of the fixed frame, the foaming mechanism being used for easy maintenance of the foaming machine, an adjusting mechanism fixedly connected to one side of the outer wall of the fixed frame, the adjusting mechanism being used for controlling and adjusting the temperature, and a cooling mechanism fixedly connected to the top of the outer wall of the adjusting mechanism; the foaming mechanism includes a material tank, the material tank being fixedly connected to the top of the outer wall of the fixed frame, an exhaust pipe being provided on one side of the top of the material tank, a feed pipe being connected to the top of the outer wall of the material tank, a flow meter being fixedly connected to the middle of the inner wall of the material tank, and a processing component being fixedly connected to the top of the outer wall of the material tank.

[0006] The above technical solution achieves the following: the regulating mechanism precisely controls the temperature; the cooling mechanism activates at high temperatures to protect foaming quality and safety; the exhaust pipe balances air pressure and maintains stability; the fixed frame provides stable support to ensure stable equipment operation; the material tank stores and processes materials; the feed pipe continuously injects materials; and the flow meter monitors the flow rate in real time to ensure accurate material supply.

[0007] As a further description of the above technical solution: The processing assembly includes a water pump, which is fixedly connected to the top of the outer wall of the tank. One end of the water pump is fixedly connected to a drain pipe, and the other end of the water pump is fixedly connected to a feed pipe. A motor is fixedly connected to the top left side of the tank, and an agitator is fixedly connected to the output end of the motor. The agitator is rotatably connected to the left side of the inner wall of the tank.

[0008] The above technical solution involves a motor driving the stirring blades to mix the materials at high speed, improving the mixing quality, a water pump to achieve material circulation processing, and material being drawn out through the feeding pipe, pressurized, and sent back to the material tank through the discharge pipe, thereby promoting material uniformity and reactivity.

[0009] As a further description of the above technical solution: The adjustment mechanism includes a storage box, which is fixedly connected to the left side of the outer wall of the fixed frame. A filter plate is fixedly connected to the middle of the inner wall of the storage box. Observation windows are opened on the left and right sides of the outer wall of the storage box. A partition is slidably connected to the left side of the inner wall of the storage box. A temperature regulating component is fixedly connected to the left side of the outer wall of the storage box.

[0010] The above technical solution involves a storage box fixed to the left side of the frame, serving as a carrier for the adjustment mechanism. It is used to store and regulate environmental materials or gases. A filter plate filters impurities to ensure the purity of the substances. An observation window facilitates monitoring of the box's interior. A sliding partition divides the space to meet different storage needs.

[0011] As a further description of the above technical solution: The temperature control component includes a second motor, which is fixedly connected to the left side of the outer wall of the storage box. A fan blade is fixedly connected to the output end of the second motor, and an exhaust pipe is fixedly connected to the outer wall of the fan blade. A dryer is fixedly connected to the rear side of the inner wall of the storage box.

[0012] Through the above technical solution: the temperature control component uses a motor to drive the fan blades to rotate at high speed to accelerate air convection and regulate temperature; the dryer absorbs moisture to keep the inside of the box dry and prevent the material from getting damp; all components work together to regulate the temperature and humidity inside the storage box and purify the material.

[0013] As a further description of the above technical solution: The cooling mechanism includes a fixed cover, which is fixedly connected to the top of the outer wall of the storage box. Fins are fixedly connected to the bottom of the inner wall of the storage box, and a cooling component is fixedly connected to the middle of the inner wall of the fixed cover.

[0014] The above technical solution uses a storage box as a cooling space, with bottom fins increasing the air contact area to promote heat dissipation, and a fixed cover on top protecting and securing the cooling components.

[0015] As a further description of the above technical solution: The cooling component includes an exhaust pipe II, which is fixedly connected to the middle of the inner wall of the fixed cover. A radiator is installed on the rear side of the outer wall of the exhaust pipe II, and the radiator is fixedly connected to the rear side of the outer wall of the storage box.

[0016] Through the above technical solution: the second exhaust pipe is located in the middle of the fixed cover, and the radiator is connected to the rear side of the outer wall of the storage box. When the equipment generates heat during operation, the second motor drives the fan blades to rotate, and the air flows in the storage box. The air absorbs heat through the fins, and the hot air is guided to the radiator through the second exhaust pipe. The radiator dissipates the heat to the outside environment, accelerating the air cooling.

[0017] As a further description of the above technical solution: A platform is fixedly connected to the top of the tank, and a ladder is fixedly connected to the front side of the outer wall of the platform.

[0018] The above technical solution provides operators with convenient access via a platform and ladder at the top of the tank, facilitating equipment maintenance and repair.

[0019] As a further description of the above technical solution: A bracket is fixedly connected to the bottom of the outer wall of the second motor, and a conduit is connected to the top right side of the storage box.

[0020] Through the above technical solution: Motor 2 is stably supported by a bracket to ensure the stable operation of the temperature control component; the conduit on the top right side of the storage box is connected to other pipeline systems to realize material transfer and assist the cooling process.

[0021] This utility model has the following beneficial effects: 1. In this utility model, when the polyurethane high-pressure foaming machine is working, the fixed frame supports the overall structure, the material in the tank enters through the feed pipe, the flow meter monitors the flow rate, the motor drives the stirring blades to stir the material, and the water pump realizes material circulation processing through the feed pipe and discharge pipe to ensure the stability of foaming quality. The regulating mechanism controls the temperature, and the cooling mechanism assists in cooling. All mechanisms work together to prevent problems such as uneven density and poor cell structure in some areas, thereby improving production efficiency while ensuring equipment reliability and easy maintenance.

[0022] 2. In this utility model, when the adjustment mechanism is working, the storage box is fixed to the left side of the fixed frame, the filter plate filters the substances entering the storage box, the observation window makes it easy to check the condition inside the box, the partition can slide to divide the space, in the temperature control component, the second motor drives the fan blade to rotate, so that the air circulates in the box through the first exhaust pipe to achieve temperature regulation; the dryer absorbs moisture and reduces humidity, thus completing the temperature and humidity regulation and purification of the storage environment inside the storage box. Attached Figure Description

[0023] Figure 1 This is a perspective view of a polyurethane high-pressure foaming machine proposed in this utility model; Figure 2 This is a front view of a polyurethane high-pressure foaming machine according to the present invention. Figure 3 This is a partial structural exploded view of a polyurethane high-pressure foaming machine proposed in this utility model; Figure 4 This is a partial structural diagram of a polyurethane high-pressure foaming machine proposed in this utility model; Figure 5 This is a partial structural schematic diagram of a polyurethane high-pressure foaming machine proposed in this utility model.

[0024] Legend: 1. Fixed frame; 2. Foaming mechanism; 201. Material tank; 202. Exhaust pipe; 203. Feed pipe; 204. Flow meter; 205. Processing component; 2051. Water pump; 2052. Drain pipe; 2053. Feeding pipe; 2054. Motor 1; 2055. Stirring blade; 3. Adjustment mechanism; 301. Storage box; 302. Filter plate; 303. Observation window; 304. Partition; 305. Temperature control component; 3051. Motor 2; 3052. Exhaust pipe 1; 3053. Fan blade; 3054. Dryer; 4. Cooling mechanism; 401. Fixed cover; 402. Fins; 403. Cooling component; 4031. Exhaust pipe 2; 4032. Radiator; 5. Platform; 6. Ladder; 7. Support; 8. Conduit. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.

[0026] Reference Figure 1 , Figure 3 and Figure 4 This utility model provides an embodiment of a polyurethane high-pressure foaming machine, including a fixed frame 1. A foaming mechanism 2 is fixedly connected to the top of the outer wall of the fixed frame 1. The foaming mechanism 2 is used for easy maintenance of the foaming machine. An adjusting mechanism 3 is fixedly connected to one side of the outer wall of the fixed frame 1. The adjusting mechanism 3 is used to control and adjust the temperature. A cooling mechanism 4 is fixedly connected to the top of the outer wall of the adjusting mechanism 3. The foaming mechanism 2 includes a material tank 201, which is fixedly connected to the top of the outer wall of the fixed frame 1. An exhaust pipe 202 is provided on one side of the top of the material tank 201. A feed pipe 203 is connected to the top of the outer wall of the material tank 201. A flow meter 204 is fixedly connected to the middle of the inner wall of the material tank 201. A processing assembly 205 is fixedly connected to the top of the outer wall of the material tank 201. The processing assembly 205 includes a water pump 2051, which is fixedly connected to the top of the outer wall of the material tank 201. One end of the water pump 2051 is fixedly connected to a drain pipe 2052, and the other end of the water pump 2051 is fixedly connected to a feed pipe 2053. A motor 2054 is fixedly connected to the top left side of the material tank 201. An agitator 2055 is fixedly connected to the output end of the motor 2054. The agitator 2055 is rotatably connected to the left side of the inner wall of the material tank 201. Specifically, during the operation of the polyurethane high-pressure foaming machine, the fixed frame 1 provides stable support to ensure equipment stability. The material tank 201 stores and initially processes the material. The feed pipe 203 continuously injects material. The flow meter 204 in the middle of the inner wall monitors the flow rate in real time to ensure accurate material supply. The motor 2054 drives the stirring blade 2055 to stir the mixture at high speed, improving the mixing quality. The water pump 2051 realizes the material circulation processing. The material is drawn through the feeding pipe 2053, pressurized, and sent back to the material tank 201 through the discharge pipe 2052 to promote material uniformity and reactivity. The regulating mechanism 3 precisely controls the temperature. The cooling mechanism 4 starts when the temperature is too high to prevent affecting the foaming quality and safety. The exhaust pipe 202 balances the air pressure and maintains stable pressure. Under the support of the fixed frame 1, all mechanisms work together to complete the high-pressure foaming operation.

[0027] Reference Figure 1 , Figure 2 and Figure 5 The adjustment mechanism 3 includes a storage box 301, which is fixedly connected to the left side of the outer wall of the fixed frame 1. A filter plate 302 is fixedly connected to the middle of the inner wall of the storage box 301. Observation windows 303 are opened on the left and right sides of the outer wall of the storage box 301. A partition 304 is slidably connected to the left side of the inner wall of the storage box 301. A temperature control component 305 is fixedly connected to the left side of the outer wall of the storage box 301. The temperature control component 305 includes a second motor 3051, which is fixedly connected to the left side of the outer wall of the storage box 301. A fan blade 3053 is fixedly connected to the output end of the second motor 3051. An exhaust pipe 3052 is fixedly connected around the outer wall of the fan blade 3053. A dryer 3054 is fixedly connected to the rear side of the inner wall of the storage box 301. Specifically, the storage box 301 is fixed to the left side of the fixed frame 1, serving as the carrier of the adjustment mechanism 3 for storing and regulating environmental materials or gases. The filter plate 302 filters impurities to ensure the purity of the substances. The observation window 303 facilitates monitoring of the conditions inside the box. The partition 304 can slide to divide the space to meet different storage needs. The temperature control component 305 drives the fan blade 3053 to rotate at high speed through the motor 3051, accelerating air convection and regulating the temperature. The dryer 3054 absorbs moisture, maintaining dryness inside the box and preventing the materials from getting damp. These components work together to regulate the temperature and humidity of the environment inside the storage box 301 and purify the substances.

[0028] Reference Figure 1 , Figure 2 and Figure 3The cooling mechanism 4 includes a fixed cover 401, which is fixedly connected to the top of the outer wall of the storage box 301. A fin 402 is fixedly connected to the bottom of the inner wall of the storage box 301. A cooling component 403 is fixedly connected to the middle of the inner wall of the fixed cover 401. The cooling component 403 includes an exhaust pipe 4031, which is fixedly connected to the middle of the inner wall of the fixed cover 401. A radiator 4032 is installed on the rear side of the outer wall of the exhaust pipe 4031. The radiator 4032 is fixedly connected to the rear side of the outer wall of the storage box 301. A platform 5 is fixedly connected to the top of the material tank 201. A ladder 6 is fixedly connected to the front side of the outer wall of the platform 5. A bracket 7 is fixedly connected to the bottom of the outer wall of the motor 3051. A conduit 8 is connected to the top right side of the storage box 301. Specifically, when the cooling mechanism 4 is working, the storage box 301 serves as a cooling space. The fins 402 at the bottom of its inner wall increase the contact area with air, which helps dissipate heat. The fixed cover 401 is installed on the top of the storage box 301, serving to protect and fix the cooling component 403. The exhaust pipe 4031 in the cooling component 403 is located in the middle of the fixed cover 401, and the radiator 4032 connected to it is installed on the rear side of the outer wall of the storage box 301. When the equipment generates heat during operation and the temperature inside the storage box 301 rises, air flows inside the storage box 301. When the air passes through the fins 402, it absorbs heat. The hot air is then guided to the radiator 4032 through the exhaust pipe 4031. The radiator 4032 further dissipates the heat to the external environment, accelerating air cooling. The platform 5 and ladder 6 on the top of the material tank 201 facilitate maintenance and repair by operators. The motor 3051 is stably supported by the bracket 7 to ensure the stable operation of the temperature control component 305. The conduit 8 connected to the top right of the storage box 301 is used to connect to other piping systems to realize the transfer of materials and assist in the entire cooling process.

[0029] Working Principle: During operation, the fixed frame 1 provides stable support for the entire polyurethane high-pressure foaming machine. Material is injected into the material tank 201 through the feed pipe 203. The flow meter 204, installed in the middle of the inner wall of the material tank 201, can accurately monitor the material flow in real time, ensuring the accuracy of material supply. The motor 2054 drives the stirring blade 2055 to rotate at high speed on the left side of the inner wall of the material tank 201, thoroughly mixing the material inside. The water pump 2051 draws the material from the material tank 201 through the feed pipe 2053, and then discharges it through the discharge pipe 2052. The material is returned to the material tank 201 to achieve material circulation and processing. The regulating mechanism 3 ensures that the material is in the most suitable reaction temperature range, while the cooling mechanism 4 is quickly activated when the temperature is too high. It reduces the temperature of the equipment and material in time through heat dissipation and cooling. The exhaust pipe 202 plays a role in balancing the air pressure at all times, and timely discharges the excess gas generated in the material tank 201 to maintain the internal pressure of the material tank 201 and ensure the safe and stable operation of the equipment. All mechanisms work closely together to achieve high-pressure foaming of polyurethane and produce foamed products that meet the quality requirements. When the regulating mechanism 3 is working, the storage box 301, as the core carrier, is fixed to the left side of the fixing frame 1 to hold materials or gases that require environmental regulation. Its internal filter plate 302 filters substances entering the storage box 301, intercepting impurities and ensuring the purity of the substances inside. The observation windows 303 on both sides allow operators to view the contents of the box in real time and promptly detect any abnormalities. The partition 304 can slide on the inner left wall of the storage box 301 to flexibly divide the storage space and meet different storage needs. The temperature regulating component 30... After the motor 3051 in part 5 starts, it drives the fan blade 3053 to rotate at high speed. Under the action of the fan blade 3053, the air circulates in the storage box 301 through the exhaust pipe 3052, accelerating air convection and achieving temperature regulation. At the same time, the dryer 3054 on the rear side of the inner wall of the storage box 301 continuously absorbs moisture in the air, reduces the humidity inside the box, maintains a dry environment, and prevents the materials from getting damp and deteriorating. All the components work together to achieve temperature and humidity regulation and purification of the material storage environment inside the storage box 301.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A polyurethane high-pressure foaming machine, comprising a fixing frame (1), characterized in that: A foaming mechanism (2) is fixedly connected to the top of the outer wall of the fixed frame (1). The foaming mechanism (2) is used to facilitate the maintenance of the foaming machine. An adjustment mechanism (3) is fixedly connected to one side of the outer wall of the fixed frame (1). The adjustment mechanism (3) is used to control and adjust the temperature. A cooling mechanism (4) is fixedly connected to the top of the outer wall of the adjustment mechanism (3). The foaming mechanism (2) includes a material tank (201), which is fixedly connected to the top of the outer wall of the fixing frame (1). An exhaust pipe (202) is provided on one side of the top of the material tank (201). A feed pipe (203) is connected to the top of the outer wall of the material tank (201). A flow meter (204) is fixedly connected to the middle of the inner wall of the material tank (201). A processing component (205) is fixedly connected to the top of the outer wall of the material tank (201).

2. The polyurethane high-pressure foaming machine according to claim 1, characterized in that: The processing component (205) includes a water pump (2051), which is fixedly connected to the top of the outer wall of the material tank (201). One end of the water pump (2051) is fixedly connected to a drain pipe (2052), and the other end of the water pump (2051) is fixedly connected to a feed pipe (2053). A motor (2054) is fixedly connected to the top left side of the material tank (201), and a stirring blade (2055) is fixedly connected to the output end of the motor (2054). The stirring blade (2055) is rotatably connected to the left side of the inner wall of the material tank (201).

3. A polyurethane high-pressure foaming machine according to claim 1, characterized in that: The adjustment mechanism (3) includes a storage box (301), which is fixedly connected to the left side of the outer wall of the fixed frame (1). A filter plate (302) is fixedly connected to the middle of the inner wall of the storage box (301). Observation windows (303) are opened on the left and right sides of the outer wall of the storage box (301). A partition (304) is slidably connected to the left side of the inner wall of the storage box (301). A temperature regulating component (305) is fixedly connected to the left side of the outer wall of the storage box (301).

4. A polyurethane high-pressure foaming machine according to claim 3, characterized in that: The temperature control component (305) includes a second motor (3051), which is fixedly connected to the left side of the outer wall of the storage box (301). A fan blade (3053) is fixedly connected to the output end of the second motor (3051). An exhaust pipe (3052) is fixedly connected around the outer wall of the fan blade (3053). A dryer (3054) is fixedly connected to the rear side of the inner wall of the storage box (301).

5. A polyurethane high-pressure foaming machine according to claim 1, characterized in that: The cooling mechanism (4) includes a fixed cover (401), which is fixedly connected to the top of the outer wall of the storage box (301). A fin (402) is fixedly connected to the bottom of the inner wall of the storage box (301), and a cooling component (403) is fixedly connected to the middle of the inner wall of the fixed cover (401).

6. A polyurethane high-pressure foaming machine according to claim 5, characterized in that: The cooling component (403) includes an exhaust pipe 2 (4031), which is fixedly connected to the middle of the inner wall of the fixed cover (401). A radiator (4032) is installed on the rear side of the outer wall of the exhaust pipe 2 (4031), and the radiator (4032) is fixedly connected to the rear side of the outer wall of the storage box (301).

7. A polyurethane high-pressure foaming machine according to claim 1, characterized in that: A platform (5) is fixedly connected to the top of the material tank (201) around its perimeter, and a ladder (6) is fixedly connected to the front side of the outer wall of the platform (5).

8. A polyurethane high-pressure foaming machine according to claim 4, characterized in that: A bracket (7) is fixedly connected to the bottom of the outer wall of the second motor (3051), and a conduit (8) is connected to the top right side of the storage box (301).

Citation Information

Patent Citations

  • A precision polyurethane high-pressure foaming machine

    CN113352535B