Curing equipment based on polyurethane foam production
By designing a curing equipment with a lifting top plate and cooling water pipe system, the problems of low efficiency and unstable quality of existing equipment were solved, achieving efficient curing and uniform cooling of polyurethane foam, thus improving production efficiency and quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-03-27
AI Technical Summary
Existing polyurethane foam photocuring equipment suffers from low processing efficiency, unstable quality, poor heat dissipation, and requires manual addition of curing liquid, making it impossible to guarantee the correct quantity.
A curing device comprising a frame, a curing tank, a cooling and unloading assembly, and a pressing assembly was designed. It employs a liftable top plate and a cooling water pipe system, combined with a liquid supply tank to achieve quantitative addition of curing liquid and cooling water, thereby improving the cooling effect.
It improves the curing quality and efficiency of foam, simplifies the operation process, reduces manual intervention, and ensures the quantitative addition of curing liquid and uniform cooling.
Smart Images

Figure CN224044347U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the production technical field of foam, especially based on the curing equipment of polyurethane foam production. BACKGROUND
[0002] After years of development, China's polyurethane production technology has been continuously improved, and the output has been continuously improved, and has become one of the global major producing countries. In 2022, China's polyurethane output reached 1679.6 million tons, with a year-on-year growth of 7.5%, and sufficient raw material supply laid a good foundation for the development of China's polyurethane foam industry, and there are many polyurethane foam production enterprises in China.
[0003] Polyurethane foam (PU foam) is a kind of high polymer material, which is widely used in automobile industry, electronics and electrical industry, building, medical and aerospace fields due to its excellent physical properties, good chemical and environmental properties and processing and economy.
[0004] In the production process of polyurethane foam, the light curing device is one of the key equipment. This device can make the slurry of polyurethane foam rapidly solidify to form the required shape and performance by the action of light. The existing foam light curing device has low processing efficiency and unstable processing quality, and needs manual injection of curing liquid, which cannot guarantee that the amount of each injection remains consistent; at the same time, the heat dissipation effect is poor, which affects the production efficiency.
[0005] Therefore, the above problems have become a technical problem to be solved. INVENTION CONTENTS
[0006] The utility model discloses a curing equipment based on polyurethane foam production, which improves the curing quality and efficiency of foam.
[0007] Technical scheme: in order to realize the above object, the utility model provides a curing equipment based on polyurethane foam production, which comprises a rack, a curing tank, a cooling and stripping assembly and a pressing assembly.
[0008] The rack comprises a device box and a workbench on the top surface of the device box, the curing tank is arranged on the workbench, the cooling and stripping assembly comprises a material lifting plate, the material lifting plate serves as the bottom plate of the curing tank, and the material lifting plate is arranged on the bottom of the curing tank in a lifting mode.
[0009] The pressing assembly comprises a pressing plate, and the pressing plate is arranged above the curing tank in a lifting mode.
[0010] It further comprises a liquid supply tank, the liquid supply tank comprises a curing liquid tank and a cooling water tank, the curing liquid tank is communicated with the curing tank, and the cooling water tank is connected with the cooling and stripping assembly.
[0011] The curing tank is used for placing the foam, and the pressing plate presses the foam to maintain the specific shape structure during curing; and the top plate can be lifted to facilitate the taking out of the foam after curing.
[0012] Further, the cooling and stripping assembly further comprises a cooling box, an ejection cylinder and a support plate, the ejection cylinder is arranged in the equipment box, the support plate is arranged at the end of the piston rod of the ejection cylinder, the cooling box is arranged on the support plate, and the top plate is arranged on the top of the cooling box.
[0013] Further, a plurality of cooling water pipes are arranged in the cooling box in a circulating manner, and the cooling water pipes are connected with the cooling water tank in a circulating manner through corrugated pipes.
[0014] Further, the side of the curing tank is provided with a curing liquid inlet connected with the curing liquid tank through a pipeline, the bottom of the curing tank is provided with a boss along the edge thereof, the top plate is a T-shaped plate, and the top plate can be lapped with the boss.
[0015] Further, the pressing assembly further comprises a lifting motor, a lead screw, a column and a sliding sleeve, the lifting motor is connected with the lead screw, and the sliding sleeve is slidably arranged on the column and is threadedly connected with the lead screw.
[0016] Further, the lifting motor is arranged in the equipment box, the column is arranged on one side of the workbench, and the lead screw is arranged in parallel with the column.
[0017] Further, the lifting motor is connected with one end of the lead screw through a coupling, the other end of the lead screw is rotatably arranged at the top of the column, a linear guide rail is arranged on the column, a sliding block is arranged on the sliding sleeve, the sliding block is connected with the linear guide rail in a matched mode, and the pressing plate is arranged on the sliding sleeve.
[0018] Further, the surface of the top plate is uniformly coated with a coating layer of non-stick glue material.
[0019] The above technical scheme can achieve the following beneficial effects:
[0020] 1. The curing equipment based on the production of polyurethane foam has the advantages of simple structure, reasonable design, cooling box arranged below the curing tank, effective cooling of the foam, improved curing efficiency of the foam, the top plate not adhered to the foam, the top plate lifted after curing, the foam quickly taken out, and further improved processing efficiency.
[0021] 2. The utility model discloses a liquid supply tank, which can realize quantitative addition of curing liquid into the curing tank and circulating pumping of cooling water into the cooling tank, thereby improving the curing quality of the foam. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 A structure diagram of the curing equipment based on polyurethane foam production.
[0023] In the drawing: 100 - rack, 101 - equipment box, 102 - workbench;
[0024] 200 - curing tank;
[0025] 300 - cooling and ejection assembly, 301 - ejection plate, 302 - cooling tank, 303 - ejection cylinder, 304 - support plate, 305 - cooling water pipe;
[0026] 400 - pressing assembly, 401 - pressing plate, 402 - lifting motor, 403 - screw rod, 404 - vertical column, 405 - sliding sleeve;
[0027] 500 - liquid supply tank, 501 - curing liquid tank, 502 - cooling water tank. DETAILED DESCRIPTION
[0028] It should be understood that the specific embodiments described herein are merely intended to explain the present utility model, and are not intended to limit the present utility model.
[0029] As shown in the drawing: a curing equipment based on polyurethane foam production, comprising a rack 100, a curing tank 200, a cooling and ejection assembly 300 and a pressing assembly 400; Figure 1 The rack 100 comprises an equipment box 101 and a workbench 101 on the top surface of the equipment box 101, the curing tank 200 is arranged on the workbench 101, the cooling and ejection assembly 300 comprises an ejection plate 301, the ejection plate 301 serves as the bottom plate of the curing tank 200, and the ejection plate 301 is arranged on the bottom of the curing tank 200 in a lifting manner;
[0030] The pressing assembly 400 comprises a pressing plate 401, and the pressing plate 401 is arranged above the curing tank 200 in a lifting manner;
[0031] Further comprising a liquid supply tank 500, the liquid supply tank 500 comprises a curing liquid tank 501 and a cooling water tank 502, the curing liquid tank 500 is communicated with the curing tank 200, and the cooling water tank 502 is connected with the cooling and ejection assembly 300.
[0032]
[0033] The cooling and stripping assembly 300 further comprises a cooling box 302, an ejection cylinder 303 and a support plate 304, the ejection cylinder 303 is arranged in the equipment box 101, the support plate 304 is arranged at the end of the piston rod of the ejection cylinder 303, the cooling box 302 is arranged on the support plate 304, and the stripping plate 301 is arranged on the top of the cooling box 302. The ejection cylinder 303 acts on the support plate 304, the cooling box 302 and the stripping plate 301 on the upper part to be ejected together, so that the foam on the stripping plate 301 can be conveniently removed and the processing efficiency is improved.
[0034] Further optimization scheme, the cooling box 302 is arranged with several cooling water pipes 305 in circulation, the cooling water pipes 305 are connected with the cooling water tank 502 through the corrugated pipe circulation. The cooling water pipes 305 in the cooling box 302 are directly in contact with the lower part of the stripping plate 301, which can play a good cooling effect on the upper foam. In addition, the cooling box 502 and the stripping plate 301 can be made of materials with good heat conductivity, such as copper, to improve the cooling effect.
[0035] Specifically, the side of the solidification tank 200 is provided with a solidification liquid inlet connected with the solidification liquid tank 501 through a pipeline, the bottom of the solidification tank 200 is provided with a boss along the edge, the stripping plate 301 is a T-shaped plate, and the stripping plate 301 can be lapped with the boss. In this embodiment, the solidification liquid is pumped into the solidification tank 200 through the quantitative pump in the solidification liquid tank 501, which can realize quantitative addition while reducing the labor intensity. In order to realize the sealing effect, a sealing member is arranged at the position where the stripping plate 301 contacts the boss, so as to prevent the solidification liquid from leaking out.
[0036] The pressing assembly 400 further comprises a lifting motor 402, a lead screw 403, a column 404 and a sliding sleeve 405, the lifting motor 402 is connected with the lead screw 403, the sliding sleeve 405 is slidingly arranged on the column 404 and is threadedly connected with the lead screw 403.
[0037] In addition, the lifting motor 402 is arranged in the equipment box 101, the column 404 is arranged on one side of the workbench 102, and the lead screw 403 is arranged in parallel with the column 404. The lifting motor 402 is connected with one end of the lead screw 403 through a shaft coupling, the other end of the lead screw 403 is rotatably arranged at the top of the column 404, a linear guide rail is arranged on the column 404, a sliding block is arranged on the sliding sleeve 405, the sliding block is connected with the linear guide rail in a matched mode, and the pressing plate 401 is arranged on the sliding sleeve 405. The lifting motor 402 drives the lead screw 403 to rotate reversely, so as to realize the up-down movement of the sliding sleeve 405 on the lead screw 403, and the sliding sleeve 405 and the column 404 are connected through the sliding block and the guide rail, so as to ensure the stability of the movement.
[0038] Preferably, the surface of the top material plate 301 is evenly coated with a non-stick glue material coating.
[0039] The curing equipment based on polyurethane foam production provided by the utility model is used in the following way: the foam is placed in the curing groove 200, the lifting motor 402 is operated to move the pressing plate 401 downward to press on the foam, and then a certain amount of curing liquid is injected from the curing liquid tank 501 into the curing groove 200; at the same time of curing, the cooling water pipe 305 in the cooling tank 302 and the cooling water tank 502 realize the circulation of cooling water to cool the foam. After curing, the ejector cylinder 303 extends to eject the top material plate 301, and the staff can take down the cured foam, and then the ejector cylinder 303 drives the top material plate 301 to reset to perform the next operation.
[0040] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements can be made without departing from the principle of the utility model, and these improvements should also be regarded as the protection range of the utility model.
Claims
1. A curing apparatus for producing polyurethane foam, characterized by comprising: It comprises a rack (100), a curing tank (200), a cooling and stripping assembly (300) and a pressing assembly (400). The rack (100) comprises an equipment box (101) and a workbench (102) on the top surface of the equipment box (101), the curing tank (200) is arranged on the workbench (102), the cooling and stripping assembly (300) comprises a stripping plate (301) which serves as the bottom plate of the curing tank (200), and the stripping plate (301) is arranged on the bottom of the curing tank (200) in a lifting manner. The pressing assembly (400) comprises a pressing plate (401) which is arranged above the curing tank (200) in a lifting manner. It further comprises a liquid supply tank (500) which comprises a curing liquid tank (501) and a cooling water tank (502), the curing liquid tank (501) is communicated with the curing tank (200), and the cooling water tank (502) is connected with the cooling and stripping assembly (300).
2. The curing apparatus for producing polyurethane foam according to claim 1, wherein The cooling and stripping assembly (300) further comprises a cooling tank (302), an ejector cylinder (303) and a support plate (304), the ejector cylinder (303) is arranged in the equipment box (101), the support plate (304) is arranged at the end of the piston rod of the ejector cylinder (303), the cooling tank (302) is arranged on the support plate (304), and the stripping plate (301) is arranged on the top of the cooling tank (302).
3. The curing apparatus for producing polyurethane foam according to claim 2, wherein A plurality of cooling water pipes (305) are arranged in the cooling tank (302) in a circulating manner, and the cooling water pipes (305) are connected with the cooling water tank (502) in a circulating manner through a corrugated pipe.
4. The curing apparatus for producing polyurethane foam according to claim 1, wherein The side surface of the curing tank (200) is provided with a curing liquid inlet which is connected with the curing liquid tank (501) through a pipeline, the bottom of the curing tank (200) is provided with a boss along the edge thereof, the stripping plate (301) is a T-shaped plate, and the stripping plate (301) can be overlapped with the boss.
5. The curing apparatus for producing polyurethane foam according to claim 1, wherein The pressing assembly (400) further comprises a lifting motor (402), a lead screw (403), a column (404) and a sliding sleeve (405), the lifting motor (402) is connected with the lead screw (403), and the sliding sleeve (405) is slidingly arranged on the column (404) and is threadedly connected with the lead screw (403).
6. The curing apparatus for producing polyurethane foam according to claim 5, wherein The lifting motor (402) is arranged in the equipment box (101), the column (404) is arranged on one side of the workbench (102), and the lead screw (403) is arranged in parallel with the column (404).
7. The curing apparatus for producing polyurethane foam according to claim 6, wherein One end of the lead screw (403) is connected with the lifting motor (402) through a coupling, the other end of the lead screw (403) is rotatably arranged at the top of the column (404), a linear guide rail is arranged on the column (404), a sliding block is arranged on the sliding sleeve (405), the sliding block is connected with the linear guide rail in a matching mode, and the pressing plate (401) is arranged on the sliding sleeve (405).
8. The curing apparatus for producing polyurethane foam according to claim 1, wherein The surface of the stripping plate (301) is uniformly coated with a coating layer of a non-stick adhesive material.