Rubber high temperature resistance detection device

Abstract

The utility model discloses a rubber high temperature resistance detection device, which relates to the technical field of rubber detection, and comprises a box body and a pair of movable doors rotatably arranged on one side of the box body, the simulation test mechanism comprises a pressure applying assembly used for extruding the rubber and a rotating assembly used for twisting and pulling the rubber. The fan rotates to accelerate air flow in the box body, so that heat generated by the heating rod can be quickly filled in the box body, rubber to be detected is placed between the pair of fixed plates and the pair of sliding plates, the pressure applying assembly extrudes the rubber through the power assembly, the rotating assembly drives two ends of the rubber to pull in opposite directions, and the rubber to be detected is detected. Therefore, the rubber can be accurately simulated and tested under the combined load of extrusion, stretching and torsion in a harsh high-temperature environment, so that accurate test data can be obtained, and the comprehensive performance of the rubber can be judged.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber detection technical field especially relates to a rubber high temperature detection device. BACKGROUND

[0002] In the engineering detection field, rubber materials are widely used in key components of industrial fields such as automobiles, rail transit, aerospace, power equipment and the like due to their excellent elasticity, sealing property and buffering performance. With the development of engineering technology, the application scenarios of rubber products under high temperature working conditions are increasing, for example, engine sealing parts (working temperature 150-200 DEG C) and the like, and the detection of their high temperature resistance has become an important link of engineering material quality control.

[0003] At present, the commonly used rubber high temperature resistance test method in engineering detection is a static test method based on a thermal aging test box, the sample is placed in the thermostat for detection of the physical property change after timed heating. However, the static test method cannot simulate the complex working conditions of the coupling effect of mechanical load and high temperature of the rubber part in engineering practice, resulting in deviation of the detection data from the actual service performance, and it is difficult to meet the needs of engineering detection. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings that the existing technology cannot simulate the complex working conditions of the coupling effect of mechanical load and high temperature of the rubber part, and provides a rubber high temperature detection device.

[0005] In order to solve the problems existing in the prior art, the utility model adopts the following technical scheme:

[0006] A rubber high temperature detection device, comprising a box body and a pair of movable doors rotatably arranged on one side of the box body, a pair of heating rods are fixedly arranged in the box body, a pair of fans are fixedly arranged in the box body, and the pair of fans correspond to the pair of heating rods, a simulation test mechanism for dynamic testing of rubber is arranged in the box body, the simulation test mechanism comprises a pressure applying assembly for extruding rubber and a rotating assembly for twisting and pulling rubber, a pair of fixed plates and a pair of sliding plates are arranged in the pressure applying assembly, and a power assembly for driving the sliding plates to approach or move away from the fixed plates is arranged in the box body.

[0007] Preferably, the pressure applying assembly comprises a pair of fixed frames, a pair of round rods and a pair of fixed rods, the pair of fixed frames are fixedly arranged at the top end of the box body, the pair of round rods are rotatably arranged on the pair of fixed frames respectively, the pair of fixed rods are fixedly arranged at the end of the pair of round rods respectively, the pair of fixed plates are fixedly arranged at the lower end of the pair of fixed rods respectively, and the pair of sliding plates are slidably arranged on the pair of fixed rods respectively.

[0008] Preferably, the power assembly comprises a pair of first motors and a pair of lead screws, the pair of first motors are fixedly arranged on the lower surfaces of a pair of fixed plates respectively, the pair of lead screws are rotatably arranged in a pair of fixed rods respectively, and output shafts of the pair of first motors are fixedly connected with the lower ends of the pair of lead screws through the pair of fixed plates.

[0009] Preferably, the rotating assembly comprises a frame, a fixed box, a first helical gear, a second motor and a pair of second helical gears, the frame is fixedly arranged on the inner wall of the box, the fixed box is fixedly arranged on the end of the frame, the first helical gear and the pair of second helical gears are rotatably arranged in the fixed box, the pair of second helical gears are engaged with the first helical gear, the pair of second helical gears are fixedly connected with the ends of a pair of round rods respectively, the second motor is fixedly arranged on the frame, and an output shaft of the second motor is fixedly connected with the first helical gear through the frame and the fixed box.

[0010] Preferably, a pressure sensor is fixedly arranged on each of the pair of fixed plates, an angle deflection sensor is fixedly arranged on each of the pair of sliding plates, and a display screen is fixedly arranged on the movable door.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、In the utility model, the second motor drives the first helical gear to rotate, the first helical gear drives the pair of second helical gears to rotate, the pair of second helical gears rotate in opposite directions, the pair of second helical gears drive the pair of round rods to rotate reversely, the pair of round rods drive the two ends of the rubber to pull in opposite directions through the pair of fixed rods, and the two ends of the rubber have a certain torsion angle, so that the performance of the rubber under the conditions of being pulled and twisted at high temperature is tested.

[0013] 2、In the utility model, the first motor drives the lead screw to rotate, the lead screw drives the sliding plate to move downwards along the fixed rod until the sliding plate and the fixed plate press the rubber, and the performance of the rubber under the condition of being extruded at high temperature is tested. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings described herein are used to provide further understanding of the utility model and constitute a part of the application, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model and do not constitute improper limitation on the utility model. In the drawings:

[0015] Figure 1 It is a front view structural schematic view of the utility model;

[0016] Figure 2 It is an internal structure schematic view of the box of the utility model;

[0017] Figure 3 It is a fixed box sectional view structural schematic view of the utility model;

[0018] Figure 4 The utility model discloses a power assembly structure schematic view.

[0019] Figure 5 The utility model discloses a heating rod and fan position relation schematic view.

[0020] In the figure, the serial number: 1, box body;11, movable door;12, heating rod;13, fan;2, fixed frame;21, round rod;22, fixed rod;23, fixed plate;24, sliding plate;3, first motor;31, screw;4, frame body;41, fixed box;42, first helical gear;43, second motor;44, second helical gear;5, pressure sensor;51, angle deflection sensor;52, display screen. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of protection of the utility model.

[0022] In the description of the utility model, it is necessary to explain that, unless there is explicit provision and limitation, the terms "installation", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected", can be fixedly connected, can be detachably connected, or integrally connected;Can be mechanical connection, can be electrical connection;Can be directly connected, can be indirectly connected through an intermediate medium, can be the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] Embodiment: the embodiment provides a kind of rubber high temperature resistance detection device, refer to Figures 1-5 Specifically, it includes box body 1 and a pair of movable door 11 rotatably arranged at one side thereof, a pair of heating rods 12 are fixedly arranged in the box body 1, a pair of fans 13 are fixedly arranged in the box body 1, and the pair of fans 13 correspond to the pair of heating rods 12 one by one, the box body 1 is provided with a simulation test mechanism for dynamically testing rubber, the simulation test mechanism includes a pressure assembly for extruding rubber and a rotating assembly for twisting and pulling rubber, a pair of fixed plates 23 and a pair of sliding plates 24 are arranged in the pressure assembly, and the box body 1 is provided with a power assembly for driving the sliding plate 24 to approach or away from the fixed plate 23;

[0024] The heat generating rods 12 generate heat, the fans 13 rotate to accelerate the air flow inside the box body 1, so that the heat generated by the heat generating rods 12 can quickly fill the inside of the box body 1, and the heat generating rods 12 and the fans 13 are located in the upper half and the lower half of the box body 1 respectively, so that the heat can be evenly distributed in the box body 1, preventing the local temperature from being too high. The rubber to be tested is placed between the pair of fixed plates 23 and the pair of sliding plates 24, and the pressing assembly extrudes the rubber through the power assembly, and the rotating assembly drives the two ends of the rubber to pull in opposite directions to ensure that the rubber can be accurately simulated under the combined load of extrusion, stretching and torsion in a harsh high temperature environment. Get accurate test data to evaluate the comprehensive performance of the rubber;

[0025] The pressing assembly includes a pair of fixed frames 2, a pair of round rods 21 and a pair of fixed rods 22, the pair of fixed frames 2 are fixedly arranged at the top end of the box body 1, the pair of round rods 21 are rotatably arranged on the pair of fixed frames 2, and the pair of fixed rods 22 are fixedly arranged at the ends of the pair of round rods 21. A pair of fixed plates 23 are fixedly arranged at the lower ends of a pair of fixed rods 22, and a pair of sliding plates 24 are slidably arranged on a pair of fixed rods 22. The power assembly includes a pair of first motors 3 and a pair of lead screws 31, the pair of first motors 3 are fixedly arranged on the lower surfaces of the pair of fixed plates 23, and the pair of lead screws 31 are rotatably arranged in the pair of fixed rods 22. The output shafts of the pair of first motors 3 are fixedly connected with the lower ends of the pair of lead screws 31 through the pair of fixed plates 23;

[0026] The first motor 3 drives the lead screw 31 to rotate, and the lead screw 31 drives the sliding plate 24 to move downward along the fixed rod 22 until the sliding plate 24 and the fixed plate 23 press the rubber, and the performance of the rubber under extrusion in high temperature working condition is tested;

[0027] The rotating assembly includes a frame body 4, a fixed box 41, a first bevel gear 42, a second motor 43 and a pair of second bevel gears 44, the frame body 4 is fixedly arranged on the inner wall of the box body 1, the fixed box 41 is fixedly arranged at the end of the frame body 4, the first bevel gear 42 and the pair of second bevel gears 44 are rotatably arranged in the fixed box 41, the pair of second bevel gears 44 are engaged with the first bevel gear 42, and the pair of second bevel gears 44 are fixedly connected with the ends of the pair of round rods 21. The second motor 43 is fixedly arranged on the frame body 4, and the output shaft of the second motor 43 is fixedly connected with the first bevel gear 42 through the frame body 4 and the fixed box 41;

[0028] The second motor 43 drives the first helical gear 42 to rotate, the first helical gear 42 drives a pair of second helical gears 44 to rotate, the pair of second helical gears 44 rotate in opposite directions, the pair of second helical gears 44 drive a pair of round rods 21 to rotate reversely, the pair of round rods 21 drive the rubber to be pulled in opposite directions through a pair of fixed rods 22, and the rubber has a certain torsion angle at two ends, so that the performance of the rubber under the conditions of being pulled and twisted at high temperature is tested;

[0029] A pair of fixed plates 23 are fixedly provided with pressure sensors 5, and a pair of sliding plates 24 are fixedly provided with angle deflection sensors 51;

[0030] The pressure sensors 5 detect the pressure of the fixed plates 23 and the sliding plates 24 on the rubber in real time, the angle deflection sensors 51 detect the torsion angle of the rubber in real time, a temperature sensor (not shown in the figure) detects the temperature in the box body 1 in real time, and the display screen 52 can display various accurate data in the box body 1 and can control different values, so that the rubber can be accurately simulated and tested under the combined load of extrusion, stretching and torsion in a harsh high-temperature environment, precise test data is obtained, and the comprehensive performance of the rubber is judged.

[0031] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A rubber high-temperature resistance testing device, comprising a housing (1) and a pair of movable doors (11) rotatably disposed on one side thereof, characterized in that: A pair of heating rods (12) are fixedly installed inside the housing (1), and a pair of fans (13) are fixedly installed inside the housing (1). The pair of fans (13) corresponds one-to-one with the pair of heating rods (12). A simulation testing mechanism for dynamic testing of rubber is provided inside the housing (1). The simulation testing mechanism includes a pressure component for squeezing rubber and a rotation component for twisting and pulling rubber. A pair of fixed plates (23) and a pair of sliding plates (24) are provided inside the pressure component. A power component for driving the sliding plates (24) to move closer to or away from the fixed plates (23) is provided inside the housing (1).

2. The rubber high-temperature resistance testing device according to claim 1, characterized in that: The pressure application assembly includes a pair of fixed frames (2), a pair of round rods (21) and a pair of fixed rods (22). The pair of fixed frames (2) are fixedly installed at the top of the inside of the housing (1). The pair of round rods (21) are rotatably installed on the pair of fixed frames (2). The pair of fixed rods (22) are fixedly installed at the ends of the pair of round rods (21). The pair of fixed plates (23) are fixedly installed at the lower ends of the pair of fixed rods (22). The pair of sliding plates (24) are slidably installed on the pair of fixed rods (22).

3. The rubber high-temperature resistance testing device according to claim 2, characterized in that: The power assembly includes a pair of first motors (3) and a pair of lead screws (31). The pair of first motors (3) are respectively fixedly mounted on the lower surface of a pair of fixed plates (23). The pair of lead screws (31) are respectively rotatably mounted inside a pair of fixed rods (22). The output shafts of the pair of first motors (3) pass through the pair of fixed plates (23) and are fixedly connected to the lower ends of the pair of lead screws (31).

4. The rubber high-temperature resistance testing device according to claim 2, characterized in that: The rotating assembly includes a frame (4), a fixed box (41), a first helical gear (42), a second motor (43), and a pair of second helical gears (44). The frame (4) is fixedly mounted on the inner wall of the box (1). The fixed box (41) is fixedly mounted at the end of the frame (4). The first helical gear (42) and the pair of second helical gears (44) are rotatably mounted inside the fixed box (41). The pair of second helical gears (44) mesh with the first helical gear (42). The pair of second helical gears (44) are respectively fixedly connected to the ends of a pair of round rods (21). The second motor (43) is fixedly mounted on the frame (4). The output shaft of the second motor (43) passes through the frame (4) and the fixed box (41) and is fixedly connected to the first helical gear (42).

5. The rubber high-temperature resistance testing device according to claim 1, characterized in that: Pressure sensors (5) are fixedly installed on each of the pair of fixed plates (23), angle deflection sensors (51) are fixedly installed on each of the pair of sliding plates (24), and a display screen (52) is fixedly installed on one of the movable doors (11).

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