High-flow polyurethane high-pressure foaming machine

By setting up a jet plate and a stirring rod in the material box of the polyurethane high-pressure foaming machine, and preheating the polyurethane material by using hot air jetting and stirring technology, the problem of long heating time in the prior art affecting the foaming flow rate is solved, and a more efficient foaming process is achieved.

CN223045006UActive Publication Date: 2025-07-01NANTONG XIEHENG EQUIP TECH CO LTD
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Patent Information

Application Number
CN202421137889.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-07-01
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The existing polyurethane high-pressure foaming machines have a long time to heat polyurethane materials, which affects the foaming flow rate.

Method used

A high-pressure foaming machine for high flow rate polyurethane is designed. By setting up a jet plate and a stirring rod in the material box, the inlet pipe is connected to the hot gas pipe to spray hot gas into the material box. The motor drives the fixed rod to rotate and stir the mixing rod to make the material stir, ensuring that the material is fully in contact with the hot gas, and the heated material is transported to the foaming machine body through the material pump.

Benefits of technology

By preheating the polyurethane material, the melting speed of the foaming machine body is significantly accelerated and the foaming flow rate is increased.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-flow polyurethane high-pressure foaming machine which comprises a fixing plate, a foaming machine body is installed on one side of the top of the fixing plate, stirring rods are installed on the outer side of the section, in a material box, of a fixing rod in an annular array mode, an air injection plate is installed at the top end in the material box, and a material pump is installed at the top of the fixing plate below the material box. According to the high-flow polyurethane high-pressure foaming machine, through the arrangement of an air injection plate and a stirring rod, the air injection plate injects hot air into the material box, the hot air heats a polyurethane material in the material box, a motor drives a fixing rod to rotate through a transmission structure, and the fixing rod drives the stirring rod to stir the polyurethane material in the material box; the polyurethane materials can be in full contact with hot air, the material pump sucks the heated polyurethane materials in the material box through the material suction pipe and then conveys the heated polyurethane materials to the foaming machine body through the discharging pipe, the melting speed of the foaming machine body is increased through the preheated polyurethane materials, and the foaming flow of the foaming machine body is increased.
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Description

Technical Field

[0001] The utility model belongs to the technical field of polyurethane, in particular to a large-flow polyurethane high-pressure foaming machine. Background Art

[0002] A high-flow polyurethane high-pressure foaming machine is a device used to produce polyurethane foam. It is usually used to manufacture thermal insulation materials, filling materials, sealing materials and other similar products. The device injects polyurethane raw materials into molds or other containers at high pressure and foams them under specific conditions to produce polyurethane foam products. These machines are usually used in industrial manufacturing and the construction industry and can produce efficiently in a high-flow manner.

[0003] When using a polyurethane high-pressure foaming machine for foaming, the polyurethane material usually needs to be heated. Polyurethane can flow and fill the mold better at a certain temperature. The existing polyurethane is not preheated before entering the high-pressure foaming machine, resulting in a long heating time for the high-pressure foaming machine, which affects the foaming flow of the high-pressure foaming machine. Utility Model Content

[0004] The utility model aims to provide a large-flow polyurethane high-pressure foaming machine to solve the problem in the above-mentioned background technology that the high-pressure foaming machine takes a long time to heat the polyurethane material, thus affecting the foaming flow rate.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a large-flow polyurethane high-pressure foaming machine, comprising a fixed plate, a foaming machine body is installed on one side of the top of the fixed plate, a fixed frame is installed on the other side of the top of the fixed plate, a material box is installed on the top of the fixed frame, bearings are embedded and installed on both sides of the material box, and two inner rings of the bearings are fixedly installed with fixed

[0006] Rod, a motor is installed on the side of the material box away from the foaming machine body, stirring rods are installed in a circular array on the outside of a section of the fixed rod inside the material box, a jet plate is installed on the top of the material box, an air intake pipe is embedded on the top of the material box, and a material pump is installed on the top of the fixed plate below the material box.

[0007] Preferably, a feed pipe is embedded in the side of the material box above the motor, and the feed pipe is connected to the inside of the material box.

[0008] Preferably, a flange is installed on the top of the air inlet pipe, and the bottom of the air inlet pipe extends into the interior of the material box and is fixedly connected to the jet plate.

[0009] Preferably, a grid frame is embedded and installed at the bottom of the material box, and the grid frame is provided with mesh holes. Preferably, the motor transmission structure is fixedly connected to the fixing rod.

[0010] Preferably, a suction pipe is installed at the top of the material pump. The top of the suction pipe extends into the inside of the material box from the bottom of the material box. Guide plates are installed on both sides of the inner bottom end of the material box above the suction pipe. An outlet pipe is installed on the side of the material pump, and the outlet pipe extends into the inside of the foaming machine body from the side of the foaming machine body. A conveying pipe is embedded and installed on the side of the foaming machine body facing away from the material box.

[0011] Preferably, fixing seats are respectively installed at the four corners of the bottom of the fixing plate, and the fixing seats are perpendicular to the bottom of the fixing plate.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] In this large-flow polyurethane high-pressure foaming machine, through the arrangement of the air jet plate and the stirring rod, the inlet pipe is connected to the pipeline for conveying hot air through a flange. The hot air enters the inside of the air jet plate from the inlet pipe. The polyurethane material enters the inside of the material box from the feed pipe. The air jet plate sprays out the hot air, and the hot air heats the polyurethane material inside the material box. The motor drives the fixed rod to rotate through the transmission structure, and the fixed rod drives the stirring rod to stir the polyurethane material inside the material box, so that the polyurethane material can

[0014] fully contact with the hot air. The material pump sucks the heated polyurethane material inside the material box through the suction pipe, and then conveys it to the foaming machine body through the outlet pipe. The preheated polyurethane material speeds up the melting speed of the foaming machine body and increases the foaming flow rate of the foaming machine body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] FIG. 1 is a schematic three-dimensional structure diagram of the present utility model from a first angle; FIG. 2 is a schematic three-dimensional structure diagram of the present utility model from a second angle; FIG. 3 is a schematic three-dimensional structure diagram of the present utility model from a third angle; FIG. 4 is a schematic sectional structure diagram of the material box of the present utility model.

[0016] In the figure: 1, fixing plate; 2, fixing frame; 3, material box; 4, feed pipe; 5, inlet pipe; 6, foaming machine body; 7, conveying pipe; 8, fixing seat; 9, motor; 10, bearing; 11, fixed rod; 12, suction pipe; 13, material pump; 14, outlet pipe; 15, grid frame; 16, air jet plate; 17, guide plate; 18, stirring rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0018] Please refer to Figures 1-4. The utility model provides a technical solution: a large-flow polyurethane high-pressure foaming machine, including a fixed plate 1, a foaming machine body 6 is installed on one side of the top of the fixed plate 1, a fixed frame 2 is installed on the other side of the top of the fixed plate 1, a material box 3 is installed on the top of the fixed frame 2, and bearings 10 are embedded and installed on both sides of the material box 3. The inner rings of the two bearings 10 are fixedly installed with fixed

[0019] Rod 11, a motor 9 is installed on the side of the material box 3 away from the foaming machine body 6, a feed pipe 4 is embedded and installed on the side of the material box 3 above the motor 9, the feed pipe 4 is communicated with the inside of the material box 3, the polyurethane material enters the material box 3 from the feed pipe 4, and the material box 3 stores the polyurethane material, a stirring rod 18 is installed in a ring array on the outside of a section inside the material box 3, a jet plate 16 is installed on the top of the material box 3, the motor 9 transmission structure is fixedly connected to the fixed rod 11, the motor 9 drives the fixed rod 11 to rotate through the transmission structure, an air intake pipe 5 is embedded and installed on the top of the material box 3, a flange is installed on the top of the air intake pipe 5, the bottom of the air intake pipe 5 extends into the inside of the material box 3 and is fixedly connected to the jet plate 16, the air intake pipe 5 is connected to the pipeline for conveying hot air through the flange, the hot air enters the jet plate 16 from the air intake pipe 5, a grid frame 15 is embedded and installed on the bottom of the material box 3, the grid frame 15 has mesh holes, the material box 3 The gas inside can be discharged from the mesh holes of the grid frame 15. A material pump 13 is installed on the top of the fixed plate 1 below the material box 3. A suction pipe 12 is installed on the top of the material pump 13. The top of the suction pipe 12 extends into the material box 3 from the bottom. Guide plates 17 are installed on both sides of the bottom of the material box 3 above the suction pipe 12. A discharge pipe 14 is installed on the side of the material pump 13. The discharge pipe 14 extends into the foaming machine body 6 from the side. The material pump 13 absorbs the polyurethane material in the material box 3 through the suction pipe 12. The material enters the suction pipe 12 along the guide plate 17, and then the polyurethane material is transported to the foaming machine body 6 through the discharge pipe 14. A conveying pipe 7 is embedded and installed on the side of the foaming machine body 6 away from the material box 3. The conveying pipe 7 is connected to the nozzle. The foaming machine body 6 discharges the foamed polyurethane through the conveying pipe 7. Fixed seats 8 are installed at the four corners of the bottom of the fixed plate 1. The fixed seat 8 Perpendicular to the bottom of the fixing plate 1, the fixing seat 1 provides support force for the fixing plate 8.

[0020] Working principle: The fixing seat 8 provides support to the fixing plate 1, and the air intake pipe 5 is connected to the pipeline for conveying hot air through the flange. The hot air enters the inside of the jet plate 16 from the air intake pipe 4 and gathers

[0021] The urethane material enters the interior of the material tank 3 from the feed pipe 4. The hot air plate 16 ejects hot air, and the hot air heats the polyurethane material inside the material tank 3. The motor 9 drives the fixed rod 11 to rotate through the transmission structure, and the fixed rod 11 drives the stirring rod 18 to stir the polyurethane material inside the material tank 3, so that the polyurethane material can fully contact the hot air. The material pump 13 sucks the heated polyurethane material inside the material tank 3 through the suction pipe 12, and then conveys it to the foaming machine body 6 through the discharge pipe 14. The foaming machine body 6 melts the preheated polyurethane material, and the conveying pipe 7 is connected to the nozzle. The foaming machine body 6 discharges the foamed polyurethane through the conveying pipe 7.

[0022] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. High-flow polyurethane high-pressure foaming machine, characterized by: The invention comprises a fixed plate (1), a foaming machine body (6) is mounted on one side of the top of the fixed plate (1), a fixed frame (2) is mounted on the other side of the top of the fixed plate (1), a material box (3) is mounted on the top of the fixed frame (2), bearings (10) are embedded and mounted on both sides of the material box (3), two inner rings of the bearings (10) are fixedly mounted with fixed rods (11), a motor (9) is mounted on the side of the material box (3) away from the foaming machine body (6), stirring rods (18) are mounted in a circular array on the outside of a section of the interior of the material box (3), an air jet plate (16) is mounted on the top of the interior of the material box (3), an air inlet pipe (5) is embedded and mounted on the top of the material box (3), and a material pump (13) is mounted on the top of the fixed plate (1) below the material box (3).

2. The high-flow polyurethane high-pressure foaming machine according to claim 1, characterized in that: A feed pipe (4) is embedded and installed on the side of the material box (3) above the motor (9), and the feed pipe (4) is connected to the inside of the material box (3).

3. The high-flow polyurethane high-pressure foaming machine according to claim 1, characterized in that: The top of the air inlet pipe (5) is provided with a flange, and the bottom of the air inlet pipe (5) extends into the interior of the material box (3) and is fixedly connected to the jet plate (16).

4. The high-flow polyurethane high-pressure foaming machine according to claim 1, characterized in that: A grid frame (15) is embedded and installed at the bottom of the material box (3), and the grid frame (15) is provided with mesh holes.

5. The high-flow polyurethane high-pressure foaming machine according to claim 1, characterized in that: The transmission structure of the motor (9) is fixedly connected to the fixing rod (11).

6. The high-flow polyurethane high-pressure foaming machine according to claim 1, characterized in that: A suction pipe (12) is installed on the top of the material pump (13), and the top of the suction pipe (12) extends from the bottom of the material box (3) into the interior thereof. Guide plates (17) are installed on both sides of the bottom of the interior of the material box (3) above the suction pipe (12). A discharge pipe (14) is installed on the side of the material pump (13), and the discharge pipe (14) extends from the side of the foaming machine body (6) into the interior thereof. A conveying pipe (7) is embedded and installed on the side of the foaming machine body (6) away from the material box (3).

7. The high-flow polyurethane high-pressure foaming machine according to claim 1, characterized in that: Fixed seats (8) are respectively installed at the four corners of the bottom of the fixed plate (1), and the fixed seats (8) are perpendicular to the bottom of the fixed plate (1).