Flexible foaming raw material detection device

By designing a flexible foaming raw material detection device, which uses a heating mechanism and a grating ruler to measure the foaming thickness and a pressure sensor to detect the hardness, the problem of predicting the foaming ratio and hardness is solved, thus improving the quality of rubber and plastic foamed products.

CN224151669UActive Publication Date: 2026-04-21HEBEI HUAMEI CHEM & BUILDING MATERIALS GRP +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HEBEI HUAMEI CHEM & BUILDING MATERIALS GRP
Filing Date
2025-06-17
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Current technology cannot predict the foaming ratio and hardness of the film, which affects the quality of flexible rubber and plastic foam products.

Method used

A flexible foaming material testing device was designed. The device uses first and second heating mechanisms to heat the sample and measures the foaming thickness using a grating ruler, and uses a pressure sensor to detect the hardness.

Benefits of technology

It effectively solves the problem of predicting foaming ratio and hardness, and improves the quality control of flexible rubber and plastic foam products.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224151669U_ABST
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Abstract

The utility model discloses a flexible foaming raw material detection device which comprises a first supporting frame and a second supporting frame, the first supporting frame is arranged at the top end of the second supporting frame, a positioning barrel is arranged at the top end of the second supporting frame, a first air cylinder body is arranged at the top end of the first supporting frame, and a second air cylinder body is arranged at the top end of the second supporting frame. The first air cylinder body is provided with a first heating mechanism matched with the upper end of the positioning barrel through a piston rod. A second air cylinder body is arranged at the bottom end of the second supporting frame and provided with a pressure sensor through a piston rod, and the pressure sensor is provided with a second heating mechanism matched with the lower end of the positioning barrel through an ejector rod. The flexible foaming raw material detection device disclosed by the utility model is simple in structure, ingenious in design and practical in function, and effectively solves the problem that the quality of a flexible rubber and plastic foaming product is influenced as parameters such as foaming ratio, hardness and the like of a rubber sheet cannot be pre-judged.
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Description

Technical Field

[0001] This utility model relates to the field of testing rubber and plastic foam products, and in particular to a testing device for flexible foam raw materials. Background Technology

[0002] Flexible rubber and plastic foam products are produced by mixing and breaking down product formulas into semi-finished products, then mixing these semi-finished products in an open mill to form sheets, which are then processed through extruders and foaming furnaces. Because parameters such as the foaming ratio and hardness of the sheets cannot be predicted, the quality of flexible rubber and plastic foam products is affected. Therefore, developing a testing device for flexible foam raw materials is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0003] The purpose of this invention is to provide a flexible foaming raw material testing device to solve the problem that the quality of flexible rubber and plastic foamed products is affected by the inability to predict parameters such as the foaming ratio and hardness of the film.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] This utility model discloses a flexible foaming material testing device, comprising a first support frame and a second support frame. The first support frame is disposed at the top of the second support frame, and a positioning cylinder is disposed at the top of the second support frame. A first cylinder body is disposed at the top of the first support frame, and the first cylinder body is provided with a first heating mechanism that cooperates with the upper end of the positioning cylinder via a piston rod. A second cylinder body is disposed at the bottom of the second support frame, and a pressure sensor is disposed on the second cylinder body via a piston rod. The pressure sensor is provided with a second heating mechanism that cooperates with the lower end of the positioning cylinder via a push rod.

[0006] Furthermore, a first grating ruler is provided on the side wall of the first support frame, and the first grating ruler is connected to the first heating mechanism through a first connecting rod.

[0007] Furthermore, a second grating ruler is provided on the side wall of the second support frame, and the second grating ruler is connected to the pressure sensor through a second connecting rod.

[0008] Furthermore, the first heating mechanism includes a pressure plate, a heating plate, a mounting plate, and a cylinder flange. The heating plate is disposed in a cavity on the upper surface of the pressure plate via the mounting plate. An insulation layer is provided at the upper end of the mounting plate, and a cylinder flange that cooperates with the pressure plate is provided at the upper end of the insulation layer.

[0009] Furthermore, the first heating mechanism is mounted on the piston rod of the first cylinder body via a cylinder flange; a thermocouple that mates with the heating plate is provided on the mounting plate.

[0010] Furthermore, the second heating mechanism includes a sample placement plate, a heating plate, a mounting plate, and a cylinder flange. The heating plate is disposed in a cavity on the lower surface of the sample placement plate via the mounting plate. The lower end of the mounting plate is provided with a heat insulation layer, and the lower end of the heat insulation layer is provided with a cylinder flange that mates with the sample placement plate.

[0011] Furthermore, the second heating mechanism is mounted on the top rod of the pressure sensor via a cylinder flange, and the pressure sensor is fixedly mounted on the piston rod of the second cylinder body via a sensor flange; a thermocouple that mates with the heating plate is provided on the mounting plate.

[0012] Furthermore, the first cylinder body is connected to the air source via a proportional valve, a solenoid valve, and a triplet; the second cylinder body is connected to the air source via a proportional valve, a solenoid valve, and a triplet.

[0013] Furthermore, the top of the first support frame is provided with a first cylinder bracket that cooperates with the first cylinder body; the bottom of the second support frame is provided with a second cylinder bracket that cooperates with the second cylinder body.

[0014] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0015] This utility model's flexible foaming material testing device heats the sample using a first heating mechanism and a second heating mechanism, causing it to foam and lift the first heating mechanism. The foaming thickness of the sample is determined by measuring the movement distance of the first heating mechanism using a first optical grating ruler. The device also detects the sample's hardness using a pressure sensor on the second cylinder body. In summary, this flexible foaming material testing device has a simple structure, ingenious design, and practical function, effectively solving the problem of the inability to predict parameters such as the foaming ratio and hardness of the film, which affects the quality of flexible rubber and plastic foamed products. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings:

[0017] Figure 1 This is a front view of the flexible foaming raw material testing device of this utility model;

[0018] Figure 2 Exploded view of the first heating mechanism;

[0019] Figure 3 Diagram showing the interaction between the second heating mechanism and the pressure sensor;

[0020] Figure 4 This is an exploded view of the second heating mechanism.

[0021] Explanation of reference numerals in the attached drawings: 1. First support frame; 101. First cylinder bracket; 2. Second support frame; 201. Second cylinder bracket; 3. First cylinder body; 4. First heating mechanism; 401. Pressure plate; 402. Heating plate; 403. Mounting plate; 404. Thermocouple; 405. Insulation layer; 406. Cylinder flange; 5. Second cylinder body; 501. Sensor flange; 502. Pressure sensor; 503. Push rod; 6. Second heating mechanism; 601. Sample placement plate; 7. Positioning cylinder; 8. First grating ruler; 801. First connecting rod; 9. Second grating ruler; 901. Second connecting rod; 10. Triple unit; 11. Solenoid valve; 12. Proportional valve. Detailed Implementation

[0022] like Figures 1 to 4 As shown, a flexible foaming material testing device includes a first support frame 1 and a second support frame 2, with the first support frame 1 disposed at the top of the second support frame 2.

[0023] The second support frame 2 has a positioning cylinder 7 at its top, and the first support frame 1 has a first cylinder body 3 at its top. The first support frame 1 also has a first cylinder bracket 101 that mates with the first cylinder body 3. The first cylinder body 3 has a first heating mechanism 4 that mates with the upper end of the positioning cylinder 7 via a piston rod. A first grating ruler 8 is provided on the side wall of the first support frame 1, and the first grating ruler 8 is connected to the first heating mechanism 4 via a first connecting rod 801.

[0024] The bottom end of the second support frame 2 is provided with a second cylinder body 5. The second cylinder body 5 is provided with a pressure sensor 502 via a piston rod. The bottom end of the second support frame 2 is provided with a second cylinder bracket 201 that cooperates with the second cylinder body 5. The pressure sensor 502 is provided with a second heating mechanism 6 that cooperates with the lower end of the positioning cylinder 7 via a push rod 503.

[0025] A second grating ruler 9 is provided on the side wall of the second support frame 2, and the second grating ruler 9 is connected to the pressure sensor 502 through the second connecting rod 901.

[0026] Specifically, the first heating mechanism 4 includes a pressure plate 401, a heating plate 402, a mounting plate 403, and a cylinder flange 406. The heating plate 402 is disposed in a cavity on the upper surface of the pressure plate 401 via the mounting plate 403. An insulation layer 405 is disposed at the upper end of the mounting plate 403, and a cylinder flange 406 that mates with the pressure plate 401 is disposed at the upper end of the insulation layer 405. The first heating mechanism 4 is disposed on the piston rod of the first cylinder body 3 via the cylinder flange 406; a thermocouple 404 that mates with the heating plate 402 is disposed on the mounting plate 403.

[0027] Specifically, the second heating mechanism 6 includes a sample placement plate 601, a heating plate 402, a mounting plate 403, and a cylinder flange 406. The heating plate 402 is disposed in the cavity on the lower surface of the sample placement plate 601 via the mounting plate 403. The lower end of the mounting plate 403 is provided with a heat insulation layer 405, and the lower end of the heat insulation layer 405 is provided with a cylinder flange 406 that cooperates with the sample placement plate 601.

[0028] The second heating mechanism 6 is mounted on the top rod 503 of the pressure sensor 502 via the cylinder flange 406. The pressure sensor 502 is fixedly mounted on the piston rod of the second cylinder body 5 via the sensor flange 501. A thermocouple 404 that cooperates with the heating plate 402 is provided on the mounting plate 403.

[0029] The first cylinder body 3 is connected to the air source through a proportional valve 12, a solenoid valve 11 and a triplet 10; the second cylinder body 5 is connected to the air source through a proportional valve 12, a solenoid valve 11 and a triplet 10.

[0030] The operation process of this utility model is as follows:

[0031] Step 1: Place the sample into the positioning cylinder 7;

[0032] Step 2: The first cylinder body 3 drives the first heating mechanism 4 to move downward, so that the pressure plate 401 is in close contact with the upper surface of the sample;

[0033] Step 3: The first heating mechanism 4 and the second heating mechanism 6 heat the sample to achieve sample foaming;

[0034] Step 4: By reducing the pressure of the first cylinder body 3, the foamed sample pushes the first heating mechanism 4 and the first cylinder body 3 upward. At this time, the first grating ruler 8 can detect the foaming thickness of the sample.

[0035] Step 5: The first cylinder body 3 remains stationary, while the second cylinder body 5 moves upward under the action of the second grating ruler 9. The second heating mechanism 6 is driven by the push rod 503 to compress the product. After the pressure sensor 502 reaches the preset reading, the second grating ruler 9 is checked to determine the foaming hardness of the sample.

[0036] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A flexible foamed stock detection apparatus, characterized by: The system includes a first support frame (1) and a second support frame (2). The first support frame (1) is located at the top of the second support frame (2). A positioning cylinder (7) is located at the top of the second support frame (2). A first cylinder body (3) is located at the top of the first support frame (1). The first cylinder body (3) is equipped with a first heating mechanism (4) that cooperates with the upper end of the positioning cylinder (7) via a piston rod. A second cylinder body (5) is located at the bottom of the second support frame (2). A pressure sensor (502) is located on the second cylinder body (5) via a piston rod. The pressure sensor (502) is equipped with a second heating mechanism (6) that cooperates with the lower end of the positioning cylinder (7) via a push rod (503).

2. The flexible foam raw material detection apparatus of claim 1, wherein: A first grating ruler (8) is provided on the side wall of the first support frame (1), and the first grating ruler (8) is connected to the first heating mechanism (4) through a first connecting rod (801).

3. The flexible foam raw material detection apparatus of claim 1, wherein: A second grating ruler (9) is provided on the side wall of the second support frame (2), and the second grating ruler (9) is connected to the pressure sensor (502) through the second connecting rod (901).

4. The flexible foam raw material detection apparatus of claim 1, wherein: The first heating mechanism (4) includes a pressure plate (401), a heating plate (402), a mounting plate (403), and a cylinder flange (406). The heating plate (402) is disposed in the cavity on the upper surface of the pressure plate (401) through the mounting plate (403). The upper end of the mounting plate (403) is provided with a heat insulation layer (405), and the upper end of the heat insulation layer (405) is provided with a cylinder flange (406) that cooperates with the pressure plate (401).

5. The flexible foam raw material detection apparatus of claim 4, wherein: The first heating mechanism (4) is mounted on the piston rod of the first cylinder body (3) via a cylinder flange (406); a thermocouple (404) that cooperates with the heating plate (402) is mounted on the mounting plate (403).

6. The flexible foamed feedstock detection apparatus of claim 1, wherein: The second heating mechanism (6) includes a sample placement plate (601), a heating plate (402), a mounting plate (403), and a cylinder flange (406). The heating plate (402) is disposed in the cavity on the lower surface of the sample placement plate (601) via the mounting plate (403). The lower end of the mounting plate (403) is provided with a heat insulation layer (405), and the lower end of the heat insulation layer (405) is provided with a cylinder flange (406) that cooperates with the sample placement plate (601).

7. The flexible foam raw material detection apparatus of claim 6, wherein: The second heating mechanism (6) is mounted on the top rod (503) of the pressure sensor (502) via the cylinder flange (406). The pressure sensor (502) is fixedly mounted on the piston rod of the second cylinder body (5) via the sensor flange (501). A thermocouple (404) that cooperates with the heating plate (402) is provided on the mounting plate (403).

8. The flexible foamed feedstock detection apparatus of claim 1, wherein: The first cylinder body (3) is connected to the air source through a proportional valve (12), a solenoid valve (11) and a triplet (10); the second cylinder body (5) is connected to the air source through a proportional valve (12), a solenoid valve (11) and a triplet (10).

9. The flexible foamed feedstock detection apparatus of claim 1, wherein: The top end of the first support frame (1) is provided with a first cylinder support (101) matched with the first cylinder body (3); the bottom end of the second support frame (2) is provided with a second cylinder support (201) matched with the second cylinder body (5).