Polyurethane material performance detection device

By designing a polyurethane material performance testing device that includes a weighing device, protective components, and a drying component, the problems of low testing efficiency and poor heat resistance were solved, and efficient and accurate testing of the water absorption performance of polyurethane materials was achieved.

CN223827495UActive Publication Date: 2026-01-23YANGZHOU POLYTECHNIC INST
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Patent Information

Application Number
CN202520170683.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-25
Publication Date
2026-01-23
Estimated Expiration
2035-01-25

AI Technical Summary

Technical Problem

Existing polyurethane material testing devices have low testing efficiency, traditional water absorption testing procedures are cumbersome, and polyurethane materials have poor heat resistance at high temperatures, affecting their mechanical properties.

Method used

A polyurethane material performance testing device was designed, comprising a main chamber, a weighing device, a protective component, and a drying component. The device filters moisture through a filter ring, uses a motor-driven rotating shaft and fan blades to diffuse hot air and accelerate moisture evaporation, and combines the weighing device to test water absorption performance.

Benefits of technology

It simplifies the testing process, improves testing efficiency, shortens the testing cycle, and enables accurate evaluation of the water absorption properties of polyurethane materials at high temperatures.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223827495U_ABST
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Abstract

The utility model provides a polyurethane material performance detection device, which relates to the technical field of polyurethane materials and comprises a main box cylinder, a protection component and a drying component. A polyurethane material absorbing water is placed at the upper end of a weighing device, namely the polyurethane material is placed in a supporting block and a filter screen ring piece, then a telescopic rod can be controlled to stretch out and draw back to push a pressing block to move downwards to compress the polyurethane material, and therefore water liquid existing in the polyurethane material is discharged to the outside through the filter screen ring piece; water is discharged to the outside through a through hole, an air blowing opening is started to blow hot air to the polyurethane material to increase the evaporation rate of the water, a motor is synchronously started to drive a transverse block to rotate through a rotating shaft and an auxiliary block, and at the moment, under the condition that fan blades rotate through a vertical block, the fan blades can quickly diffuse the hot air generated by the air blowing opening; therefore, the evaporation rate of the water liquid at the polyurethane material is further increased, and the water absorption performance of the polyurethane material is detected according to the difference between two times of weighing of the weighing device.
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Description

TECHNICAL FIELD

[0001] The utility model relates to polyurethane material technical field especially relates to a polyurethane material performance detection device. BACKGROUND

[0002] Polyurethane elastomer has the characteristics of high strength, high elasticity, high elongation, and has excellent wear resistance, oil resistance, tear resistance, chemical resistance, good shock absorption performance, and large hardness adjustment range, and is widely used in many fields. However, the heat resistance of polyurethane elastomer is poor, and the mechanical properties decrease significantly under high temperature conditions, resulting in reduced wear resistance, mechanical properties, appearance size change, hardness, strength, modulus performance, thereby limiting the application of polyurethane elastomer, and the heat resistance detection device for polyurethane material is needed in the research and development test of new polyurethane material to detect and test the polyurethane material to test whether it meets the required performance.

[0003] The patent specification with publication number CN218331572U discloses a polyurethane material water absorption detection device, which includes a storage assembly and a protection assembly. When the detector body is needed, the hydraulic rod pushes the support plate upwards to separate the cover plate from the box body, and the detector body is used. The distance between the cover plate and the detector body is adjusted by the telescopic rod, which is convenient for users to use. When the protection plate is impacted by external force, the buffer can release the impact force to protect the detector body. The detector body is retracted into the box body by the hydraulic rod to achieve the storage effect. When the detector body is not in use, it can be stored.

[0004] However, the traditional water absorption detection steps are complicated, that is, the polyurethane material is repeatedly dried to ensure that the soft polyurethane material is completely dried. The steps are complicated, and the drying, cooling and weighing are repeated many times, which requires a long period, seriously reducing the detection efficiency. Therefore, further improvement is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems in the prior art and provides a polyurethane material performance detection device.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of polyurethane material performance detection device, including main tank, the upper end of the main tank is fixedly connected with top cover, the lower end of the main tank is fixedly connected with bottom cover, the outside of the main tank is equipped with feed inlet, annular groove is equipped on the inner wall of the main tank, the lower end central position of the bottom cover is fixedly provided with weighing apparatus, the lower end of the bottom cover is evenly penetrated and is equipped with through-hole, the through-hole is located at the periphery of weighing apparatus, the upper end of the bottom cover is provided with the protection assembly for placing polyurethane material to prevent its leakage, the inside of the main tank is provided with the drying assembly for the drying discharge of polyurethane material in moisture.

[0007] Preferably, the protection assembly includes a support block fixedly connected to the upper end of the bottom cover, a filter screen ring member fixedly connected to the sidewall of the support block, and a circular ring fixedly connected to the upper end of the support block and the filter screen ring member.

[0008] Preferably, the drying assembly includes a support rod fixedly connected to the central position of the lower end of the top cover, a motor fixedly connected to the lower end of the support rod, a rotating shaft provided at the lower end of the motor, and the rotating shaft being the output end of the motor.

[0009] Preferably, the lower end of the rotating shaft is fixedly connected with an auxiliary block, and the outer surface of the auxiliary block is fixedly connected with a horizontal block.

[0010] Preferably, the lower end of the auxiliary block is fixedly connected with a telescopic rod, the lower end of the telescopic rod is fixedly connected with a pressing block, and the pressing block is in sliding connection with the inner wall of the circular ring.

[0011] Preferably, the lower end of the horizontal block is fixedly connected with a vertical block, the inner side of the vertical block is fixedly connected with a fan blade, and the fan blade is located outside the filter screen ring member.

[0012] Preferably, the lower end of the vertical block is fixedly connected with a functional block, the outer side of the functional block is fixedly connected with a sliding block, the inner side of the functional block is provided with a blowing port, the sliding block is in sliding connection with the annular groove, and the blowing port is located outside the filter screen ring member.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that,

[0014] The polyurethane material after water absorption is placed at the upper end of the weighing device, that is, the polyurethane material is placed in the inside of the support block and the filter screen ring, then the telescopic rod can be controlled to extend and retract to push the pressing block to move downward to compress the polyurethane material, so that the water liquid existing in the polyurethane material is discharged to the outside through the filter screen ring, and the water liquid is discharged to the outside through the through hole, after the pressing block is moved to the upper side of the ring, the blowing port is started to blow hot air to the polyurethane material to increase the evaporation rate of the water liquid, and the motor is started synchronously to drive the horizontal block to rotate through the auxiliary block through the rotating shaft, at this time, under the condition that the fan blade rotates through the vertical block, the fan blade can quickly diffuse the hot air generated by the blowing port, so as to further increase the evaporation rate of the water liquid at the polyurethane material, so that the water absorption performance of the polyurethane material is detected according to the difference between the two times of weighing by the weighing device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic diagram of the polyurethane material performance detection device is provided for the utility model;

[0016] Figure 2 A main box cylinder structure schematic diagram of the polyurethane material performance detection device is provided for the utility model;

[0017] Figure 3 A drying assembly structure schematic diagram of the polyurethane material performance detection device is provided for the utility model;

[0018] Figure 4 A Figure 1 An enlarged view of A in the figure.

[0019] Legend: 1, main box cylinder; 11, feed inlet; 12, annular groove; 2, top cover; 3, bottom cover; 31, weighing device; 32, through hole; 4, protection assembly; 41, ring; 42, support block; 43, filter screen ring; 5, drying assembly; 51, motor; 511, support rod; 512, rotating shaft; 52, auxiliary block; 521, horizontal block; 522, telescopic rod; 5221, pressing block; 53, vertical block; 531, fan blade; 54, function block; 541, sliding block; 542, blowing port. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model will be further described below in combination with the drawings and examples. It should be noted that the examples and features in the examples of the present application can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from those described herein, therefore, the utility model is not limited to the specific examples disclosed in the following description.

[0022] As Figures 1-4 shown, a kind of polyurethane material performance detection device, including main tank 1, the upper end of main tank 1 is fixedly connected with top cover 2, the lower end of main tank 1 is fixedly connected with bottom cover 3, the outside of main tank 1 is equipped with feed inlet 11, the inner wall of main tank 1 is equipped with annular groove 12, the lower end center position of bottom cover 3 is fixedly provided with weighing apparatus 31, the lower end of bottom cover 3 is evenly equipped with through-hole 32, through-hole 32 is located at the periphery of weighing apparatus 31, the upper end of bottom cover 3 is provided with the protection assembly 4 for placing polyurethane material to prevent its leakage, the inside of main tank 1 is provided with drying assembly 5 for drying polyurethane material and discharging moisture therein.

[0023] Further, protection assembly 4 includes support block 42 fixedly connected on the upper end of bottom cover 3, filter ring 43 is fixedly connected on the side wall of support block 42, support block 42 and the upper end of filter ring 43 are fixedly connected with circular ring 41, support block 42 is used to support circular ring 41, support block 42 and filter ring 43 are used to place polyurethane material, filter ring 43 is used to filter moisture in polyurethane material.

[0024] Further, drying assembly 5 includes support rod 511 fixedly connected on the lower end center position of top cover 2, motor 51 is fixedly connected on the lower end of support rod 511, the lower end of motor 51 is provided with rotating shaft 512, rotating shaft 512 is the output end of motor 51, auxiliary block 52 is fixedly connected on the lower end of rotating shaft 512, horizontal block 521 is fixedly connected on the outer surface of auxiliary block 52, support rod 511 is used to provide support force for motor 51, to prevent the position deviation of motor 51 in the inside of main tank 1, rotating shaft 512 is used to drive horizontal block 521 to rotate via auxiliary block 52.

[0025] Further, auxiliary block 52 is fixedly connected with telescopic rod 522 on the lower end, telescopic rod 522 is fixedly connected with pressing block 5221 on the lower end, pressing block 5221 is slidably connected with the inner wall of circular ring 41, vertical block 53 is fixedly connected with horizontal block 521 on the lower end of the outside, vertical block 53 is fixedly connected with fan blade 531 on the inside, fan blade 531 is located on the outside of filter ring 43, telescopic rod 522 is used to push pressing block 5221 to press down, pressing block 5221 is used to compress and filter moisture in polyurethane material, fan blade 531 is used to fan polyurethane material to facilitate the rapid diffusion of heat.

[0026] Further, vertical block 53 is fixedly connected with function block 54 on the lower end, function block 54 is fixedly connected with sliding block 541 on the outside, blowing port 542 is provided on the inside of function block 54, sliding block 541 is slidably connected with annular groove 12, blowing port 542 is located on the outside of filter ring 43.

[0027] Working principle: when the water absorption of polyurethane material needs to be detected, first, the staff places the polyurethane material after water absorption on the upper end of the weighing device 31, that is, the polyurethane material is placed inside the support block 42 and the filter ring 43, then the telescopic rod 522 is controlled to extend and retract to push the pressing block 5221 to move downward to compress the polyurethane material, so that the water in the polyurethane material is discharged to the outside through the filter ring 43, and the water is discharged to the outside through the through hole 32, after the pressing block 5221 moves above the annular ring 41, the air outlet 542 is started to blow hot air to the polyurethane material to increase the evaporation rate of the water, and the motor 51 is started to drive the horizontal block 521 to rotate through the auxiliary block 52 and the shaft 512, at this time, the fan blade 531 will quickly diffuse the hot air generated by the air outlet 542 under the condition of rotating the fan blade 531 through the vertical block 53, so as to further increase the evaporation rate of the water in the polyurethane material, so as to detect the water absorption performance of the polyurethane material according to the difference between the two times of weighing of the weighing device 31.

[0028] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technology content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments without departing from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the present application.

Claims

1. A polyurethane material performance testing device, comprising a main chamber (1), wherein a top cover (2) is fixedly connected to the upper end of the main chamber (1), and a bottom cover (3) is fixedly connected to the lower end of the main chamber (1), characterized in that: The main cylinder (1) has an inlet (11) on its outer side and an annular groove (12) on its inner wall. A weighing device (31) is fixedly installed at the center of the lower end of the bottom cover (3). A through hole (32) is evenly opened at the lower end of the bottom cover (3). The through hole (32) is located around the weighing device (31). A protective component (4) is provided at the upper end of the bottom cover (3) to place the polyurethane material and prevent it from leaking out. A drying component (5) is provided inside the main cylinder (1) to dry the polyurethane material and remove the moisture therein.

2. The polyurethane material performance testing device according to claim 1, characterized in that: The protective component (4) includes a support block (42) fixedly connected to the upper end of the bottom cover (3), a filter ring (43) fixedly connected to the side wall of the support block (42), and a ring (41) fixedly connected to the upper end of the support block (42) and the filter ring (43).

3. The polyurethane material performance testing device according to claim 1, characterized in that: The drying assembly (5) includes a support rod (511) fixedly connected to the center of the lower end of the top cover (2). A motor (51) is fixedly connected to the lower end of the support rod (511). A rotating shaft (512) is provided at the lower end of the motor (51), and the rotating shaft (512) is the output end of the motor (51).

4. The polyurethane material performance testing device according to claim 3, characterized in that: An auxiliary block (52) is fixedly connected to the lower end of the rotating shaft (512), and a horizontal block (521) is fixedly connected to the outer surface of the auxiliary block (52).

5. The polyurethane material performance testing device according to claim 4, characterized in that: The lower end of the auxiliary block (52) is fixedly connected to a telescopic rod (522), and the lower end of the telescopic rod (522) is fixedly connected to a pressure block (5221). The pressure block (5221) is slidably connected to the inner wall of the ring (41).

6. The polyurethane material performance testing device according to claim 4, characterized in that: A vertical block (53) is fixedly connected to the lower outer side of the horizontal block (521), and a fan blade (531) is fixedly connected to the inner side of the vertical block (53). The fan blade (531) is located on the outer side of the filter ring (43).

7. The polyurethane material performance testing device according to claim 6, characterized in that: The lower end of the vertical block (53) is fixedly connected to a functional block (54), and a slider (541) is fixedly connected to the outer side of the functional block (54). An air outlet (542) is provided on the inner side of the functional block (54). The slider (541) is slidably connected to the ring groove (12), and the air outlet (542) is located on the outer side of the filter ring (43).

Citation Information

Patent Citations

  • Polyurethane material hydroscopicity detection device

    CN218331572U