Rubber durability test bench

Abstract

The utility model relates to a rubber durability testboard, which belongs to the technical field of rubber performance detection, and comprises an experiment table, the experiment table is fixedly connected with a mounting seat, the mounting seat is provided with two groups of mounting grooves, the two groups of mounting grooves are respectively provided with an experiment rod in a sliding manner, and the opposite side surfaces of the two experiment rods are respectively provided with a sliding chute. A sliding groove is formed in the upper end of the experiment rod, a fixed seat is fixedly mounted at the bottom of the sliding groove, an adjusting screw rod is arranged in the sliding groove and is in threaded connection with the upper end of the experiment rod, a toothed plate is rotationally mounted on the adjusting screw rod, a movable seat is fixedly mounted on the toothed plate, and the movable seat is located over the fixed seat; limiting frames are fixedly installed on the fixed base and the movable base, anti-skid lines are arranged at the upper end of the fixed base and the lower end of the movable base, and a rubber strip is placed between the fixed base and the movable base. The test board provided by the utility model realizes the technical effect of integrally measuring the stretching and compression performance of the rubber strip.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rubber performance detection technical field, concretely is a kind of rubber durability test bench. BACKGROUND

[0002] Rubber is a kind of high polymer compound, it has good elasticity, insulating property, impermeable and impermeable, therefore be widely used in industry and life each aspect.

[0003] Rubber is an important polymer material, has extensive application and important position in each field. With the continuous progress of science and technology and the increasing demand of people, the types and properties of rubber products will be continuously improved and promoted. The durability of rubber is very important for many fields and industries, which is directly related to the service life, safety and economic benefits of products. Rubber durability test is a series of tests to evaluate the performance stability and durability of rubber materials or products during long-term use. However, the existing rubber test bench can only test the single property of rubber, i.e. tension or pressure, and cannot be adjusted, which reduces the efficiency of rubber testing and affects the safety and reliability of rubber products.

[0004] The utility model discloses a simple rubber tensile and compression performance detection device of CN211374307U is disclosed in China, including base, by setting up computer aided equipment, motor, bidirectional screw, sliding block a, sliding block b, three jaw chuck a, three jaw chuck b, PCB monitor I, PCB monitor II, laser range finder etc., so that the two ends of the rubber to be detected can be fixed by three jaw chuck a and three jaw chuck b, and the rubber is stretched and compressed under the driving of motor, and the parameters obtained by experiment can be obtained through computer aided equipment. However, the tension and pressure measurement in the above-mentioned prior art are measured by clamping the two ends of the rubber, and when measuring the pressure, part of the two ends of the rubber is clamped in the chuck, which affects the accuracy of the measurement results. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of rubber durability test bench, solve the problem of single performance measurement of rubber in background art, and inaccurate pressure measurement.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] The utility model relates to a rubber durability test platform, including experiment table, fixedly connected with mounting seat on experiment table, two groups of installation slot are opened on mounting seat, two groups of experiment rod are slidably installed on two groups of installation slot, the opposite side of two experiment rods are all opened sliding slot, the bottom of sliding slot is fixedly installed with fixed seat, be provided with adjusting screw rod in sliding slot, the upper end of adjusting screw rod and experiment rod are threadedly connected, rotatingly installed with toothed plate on adjusting screw rod, fixedly installed with moving seat on toothed plate, moving seat is located the top of fixed seat, fixedly installed with limiting frame on fixed seat and moving seat, the upper end of fixed seat and the lower end of moving seat all are provided with antiskid line, place rubber strip between fixed seat and moving seat, fixedly installed with tension and pressure gauge on mounting seat, be provided with drive mechanism on mounting seat.

[0008] Specifically, the drive mechanism includes a drive motor fixedly installed on the mounting seat, a bidirectional screw rod rotatably installed in the installation slot, and two groups of sliding seats slidably installed in the installation slot. The drive shaft of the drive motor is coaxially fixedly connected with the bidirectional screw rod. The two groups of sliding seats are threadedly connected with the bidirectional screw rod and move in opposite directions. The upper end of the sliding seat is fixedly connected with the bottom of the experiment rod.

[0009] Specifically, a limiting rod is fixedly arranged in the installation slot. A limiting slot corresponding to the limiting rod is opened on the sliding seat. The limiting rod can slidably pass through the corresponding limiting slot.

[0010] Optionally, a limiting slot is opened on the side wall of the installation slot. A limiting block is slidably installed in the limiting slot. The limiting block is fixedly installed on the side surface of the sliding seat.

[0011] Optionally, an active cavity is opened in the experiment rod. A clamping block is slidably installed in the active cavity. One end of the clamping block is adapted to the toothed plate. A return spring is fixedly installed in the active cavity. One end of the return spring is fixedly connected with the clamping block, and the other end is connected with the inner wall of the active cavity.

[0012] Optionally, an active slot is opened on the experiment rod. The active slot is in communication with the inside of the active cavity. A push plate is slidably installed in the active slot. The push plate and the clamping block are fixedly connected.

[0013] Optionally, a sliding sleeve is fixedly arranged on the top of the toothed plate. The bottom end of the adjusting screw rod and the sliding sleeve are rotatably connected.

[0014] Optionally, elastic measuring members are arranged at both ends of the tension and pressure gauge. The two elastic measuring members are respectively fixedly connected with the two experiment rods.

[0015] Optionally, a limiting slot is opened on the limiting frame on one side of the experiment rod. A limiting tooth is arranged on the corresponding limiting frame on the other side of the experiment rod. The limiting tooth can be inserted into the limiting slot.

[0016] Optionally, the top of the adjusting screw is provided with a rotating handle.

[0017] The utility model discloses the beneficial effects are as follows:

[0018] The position of the moving seat in the sliding groove is adjusted through the adjusting screw and the toothed plate, the moving seat cooperates with the fixed seat to realize different fixing modes of the rubber strip, the driving motor cooperates with the bidirectional screw rod and the two groups of sliding seats to realize the relative movement of the two groups of experimental rods, the compression performance of the rubber strip is tested when the two groups of experimental rods relatively move close to each other, the tensile performance of the rubber strip is tested when the two groups of experimental rods relatively move away from each other, the test efficiency of the rubber is improved, the overall physical performance of the rubber is more accurately evaluated, and the installation and reliability of the rubber product are improved.

[0019] The rubber is limited through the limiting frame before pressure measurement, so that the measurement result is prevented from being influenced by the deviation of the rubber during clamping and fixing.

[0020] The stability of the fixed seat and the moving seat when clamping the rubber strip is improved through the clamping block and the toothed plate, so that the accuracy of the rubber under external force is improved, the clamping block cooperates with the return spring and the push plate, the rubber strip is conveniently placed and removed, and the convenience and efficiency of the durability test of the rubber strip are improved.

[0021] The tension and pressure gauge synchronously measures and displays the tension and pressure of the rubber, and the measurement does not need computer auxiliary equipment, and the measurement result is displayed in real time. BRIEF DESCRIPTION OF DRAWINGS

[0022] The drawings accompanying the specification provide further understanding of the utility model, and the schematic embodiment of the utility model and the explanation thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:

[0023] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 It is the section structure schematic diagram of the mounting seat in the utility model, and the rubber strip is compressed for testing at this time;

[0025] Figure 3 It is the enlarged view of A in the utility model; Figure 2

[0026] Figure 4 It is the section structure schematic diagram of the experimental rod in the utility model, and the rubber strip is stretched for testing at this time;

[0027] Figure 5 It is the structure schematic diagram of the toothed plate and the clamping block in the utility model;

[0028] Figure 6 ​The structure schematic view of the limiting frame in the embodiment 2 of the utility model.

[0029] 1, experimental table, 2, mounting seat, 3, mounting groove, 4, experimental rod, 5, sliding slot, 6, fixed base, 7, moving base, 8, rubber strip, 9, toothed plate, 10, adjusting screw, 11, movable cavity, 12, clamping block, 13, reset spring, 14, movable slot, 15, push plate, 16, limiting frame, 17, non-slip pattern, 18, pull pressure gauge, 19, elastic measuring piece, 20, sliding seat, 21, driving motor, 22, bidirectional screw, 23, limiting rod, 24, limiting hole, 25, avoiding tooth, 26, avoiding slot. DETAILED DESCRIPTION

[0030] The utility model will be described below in detail with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0031] The following detailed description is exemplary description, which aims at providing further detailed description of the utility model. Unless otherwise specified, all technical terms used in the utility model are the same as the meanings commonly understood by the general technical personnel in the field to which the present application belongs. The terms used in the utility model are only for describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the utility model.

[0032] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "internal", "external" and so on the orientation or positional relation indicated is based on the orientation or positional relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore can not be understood as the limitation to the utility model. In addition, the term "first", "second" is only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two. In the description of the utility model, it needs to be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, or electrically connected, can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] The utility model discloses a rubber durability test platform, the device can adjust the position of moving seat in the sliding slot through adjusting screw rod cooperation tooth plate, and moving seat cooperation fixed seat realizes different fixed mode of rubber strip, and driving motor cooperation two -way screw rod and two groups of sliding seat realize relative movement of two groups of experimental rod, and when two groups of experimental rod relatively close movement, the compression performance of rubber strip is tested, and when two groups of experimental rod relatively far away movement, the tensile property of rubber strip is tested, improve the test efficiency of rubber, more accurate evaluation rubber overall physical property, improve the installation of rubber product and reliability.

[0034] In order to achieve the above object, the utility model adopts the following technical scheme:

[0035] Embodiment 1

[0036] As Figures 1-5As shown, a kind of rubber durability test platform, including experimental table 1, experimental table 1 is fixedly connected with mounting seat 2, two groups of installation groove 3 are set on mounting seat 2, two groups of installation groove 3 are slidably installed with experimental rod 4, the side of experimental rod 4 is provided with sliding slot 5, the bottom of sliding slot 5 is fixedly installed with fixed seat 6, and moving seat 7 is arranged on fixed seat 6, and rubber strip 8 is placed between fixed seat 6 and moving seat 7, one side of moving seat 7 is fixedly connected with toothed plate 9, adjusting screw 10 is rotatably installed on toothed plate 9, and adjusting screw 10 is threadedly connected between the upper end of experimental rod 4, and tension and pressure gauge 18 is fixedly installed on mounting seat 2, and elastic measuring piece 19 is arranged on the two sides of tension and pressure gauge 18, one end of elastic measuring piece 19 is fixedly connected with experimental rod 4, and driving mechanism is arranged on mounting seat 2.

[0037] When the tensile properties of rubber strip 8 need to be experimented, the two ends of rubber strip 8 are placed above the two groups of fixed seat 6, adjusting screw 10 is rotated to drive toothed plate 9 to move downwards, toothed plate 9 drives moving seat 7 to move downwards, the lower end of moving seat 7 is in contact with the upper end of rubber strip 8 and is extruded, and rubber strip 8 is clamped between the two groups of fixed seat 6 and moving seat 7, as shown in Figure 4 The driving mechanism drives two groups of experimental rods 4 to move away from each other, so that rubber strip 8 is stretched and deformed, experimental rod 4 simultaneously moves elastic measuring piece 19, and tension and pressure gauge 18 measures the tensile properties of rubber strip 8, the position of moving seat 7 can be adjusted by adjusting screw 10, so that the tensile properties of rubber strip 8 of different thicknesses can be tested conveniently, and the practicability of the device is improved;

[0038] When the compression properties of rubber strip 8 need to be experimented, the two ends of rubber strip 8 are respectively abutted on the side surfaces of the two groups of fixed seat 6 and moving seat 7, as shown in Figure 3 The driving mechanism drives two groups of experimental rods 4 to move close to each other, so that rubber strip 8 is compressed and deformed, experimental rod 4 simultaneously pushes elastic measuring piece 19 to move, and tension and pressure gauge 18 measures the compression properties of rubber strip 8, different physical properties of rubber strip 8 are tested by switching the driving mechanism, the testing efficiency of rubber is improved, the overall physical properties of rubber can be more accurately evaluated, and the installation property and reliability of rubber products are improved.

[0039] It is further explained that the driving mechanism includes driving motor 21 fixedly installed on one side of mounting seat 2, two-way screw rod 22 rotatably installed in installation groove 3 and two groups of sliding seats 20 slidably installed in installation groove 3, the driving shaft of driving motor 21 is fixedly connected with two-way screw rod 22 in a same axis, two groups of sliding seats 20 are threadedly connected between two-way screw rod 22, and the upper end of sliding seat 20 is fixedly connected with the bottom of experimental rod 4.

[0040] The driving motor 21 drives the bidirectional screw rod 22 to rotate, the bidirectional screw rod 22 drives the two groups of sliding seats 20 to move relative to each other, the sliding seat 20 drives the experimental rod 4 to move, when the two groups of experimental rods 4 move away from each other, the tensile property of the rubber strip 8 is tested, and when the two groups of experimental rods 4 move close to each other, the compression property of the rubber strip 8 is tested.

[0041] Further, the mounting groove 3 is fixedly provided with a limiting rod 23, the sliding seat 20 is provided with a limiting hole 24 corresponding to the limiting rod 23, and the limiting rod 23 can slide through the corresponding limiting hole 24.

[0042] The limiting rod 23 cooperates with the limiting hole 24 to guide and limit the movement of the sliding seat 20, so that the sliding seat 20 is prevented from overturning when the bidirectional screw rod 2 moves, the stability of the sliding seat 20 in the mounting groove 3 is improved, and the stability of the experimental rod 4 in the performance test process of the rubber strip 8 is improved.

[0043] As another example of the above embodiment, a limiting groove is formed in the side wall of the mounting groove 3, and a limiting block is slidably installed in the limiting groove.

[0044] The limiting block cooperates with the limiting groove to guide and limit the movement of the sliding seat 20, so that the sliding seat 20 is prevented from overturning when the bidirectional screw rod 2 moves, the stability of the sliding seat 20 in the mounting groove 3 is improved, and the stability of the experimental rod 4 in the performance test process of the rubber strip 8 is improved.

[0045] Further, the experimental rod 4 is provided with a movable cavity 11, a clamping block 12 is slidably installed in the movable cavity 11, one end of the clamping block 12 is matched with the toothed plate 9, a return spring 13 is fixedly installed in the movable cavity 11, and one end of the return spring 13 is fixedly connected with the clamping block 12.

[0046] During the downward movement of the toothed plate 9 driven by the adjusting screw rod 10, the teeth of the toothed plate 9 are in contact with and extrude one end of the clamping block 12, the clamping block 12 is pushed into the inside of the movable cavity 11, the movement of the clamping block 12 causes the movable cavity 11 to be compressed and deformed, after the moving seat 7 is moved to a suitable position, the compressed movable cavity 11 pushes the clamping block 12 to move to restore the initial state, the clamping block 12 limits the toothed plate 9 to fix the position of the moving seat 7, the rubber strip 8 is prevented from deviating in the test process due to insufficient self-locking of the adjusting screw rod 10, the stability of the rubber strip 8 in the test process is improved, and the accuracy of the test result of the physical property of the rubber is improved.

[0047] Further, one side of the experimental rod 4 is provided with a movable groove 14, the movable groove 14 is connected with the inside of the movable cavity 11, a push plate 15 is slidably installed in the movable groove 14, and the push plate 15 is fixedly installed on one side of the clamping block 12.

[0048] Push the push plate 15 to move in the movable groove 14, the push plate 15 drives the clamping block 12 to move to release the restriction of the toothed plate 9, and then the toothed plate 9 can be freely driven up and down by the adjusting screw 10, which is convenient for the placement and removal of the rubber strip 8 and improves the convenience of the device.

[0049] Further, the fixed seat 6 and the moving seat 7 are fixedly installed with a limiting frame 16 on one side, and the upper end of the fixed seat 6 and the lower end of the moving seat 7 are provided with anti-skid lines 17.

[0050] During the compression performance test of the rubber strip 8, the limiting frames 16 on the fixed seat 6 and the moving seat 7 can limit the two ends of the rubber strip 8, avoiding the deviation of the rubber strip 8 during the test, and improving the stability of the rubber strip 8 during the compression test. During the tensile performance test of the rubber strip 8, the setting of the anti-skid lines 17 improves the friction between the rubber strip 8 and the fixed seat 6 and the moving seat 7, effectively avoiding the slip of the rubber strip 8, and improving the stability of the rubber strip 8 during the tensile test.

[0051] Specifically, the following operation is used: the driving motor 21 drives the bidirectional screw rod 22 to rotate, the bidirectional screw rod 22 pushes the two groups of sliding seats 20 to move relatively, the sliding seats 20 drive the experimental rods 4 to move, when the tensile performance of the rubber strip 8 needs to be tested, the adjusting screw 10 is rotated to drive the toothed plate 9 to move downward, the toothed plate 9 drives the moving seat 7 to move downward, the two ends of the rubber strip 8 are clamped between the two groups of fixed seats 6 and moving seats 7 respectively, the two groups of experimental rods 4 move away from each other, the rubber strip 8 is deformed by stretching, the experimental rods 4 simultaneously drive the elastic measuring element 19 to move, and the tension gauge 18 measures the tensile performance of the rubber strip 8; when the compression performance of the rubber strip 8 needs to be tested, the two ends of the rubber strip 8 are respectively abutted against the side surfaces of the two groups of fixed seats 6 and moving seats 7, the two groups of experimental rods 4 move close to each other, the rubber strip 8 is deformed by compression, the experimental rods 4 simultaneously drive the elastic measuring element 19 to move, and the tension gauge 18 measures the compression performance of the rubber strip 8.

[0052] The above-mentioned scheme is a kind of rubber durability test platform, the tensile performance of rubber strip 8 is measured by being clamped and stretched by fixed seat 6 and moving seat 7, the compression performance of rubber strip 8 is measured by being limited and extruded by limiting frame 16 on fixed seat 6 and moving seat 7, solve the problem that the measurement result is inaccurate when the existing device is used for pressure test, realize the technical effect that the test platform is integrated for measuring the tensile and compression performance of rubber strip 8.

[0053] As a preferred example of the above embodiment, the top of the adjusting screw 10 is provided with a rotating handle, which is convenient to rotate and adjust.

[0054] Embodiment 2

[0055] As a preferred example, as shown in Figure 6 The limiting frame 16 on one side of the experimental rod 4 is provided with an avoiding slot 26, and the corresponding limiting frame 16 on the other side of the experimental rod 4 is provided with an avoiding tooth 25 which can be inserted into the avoiding slot 26. When the compression performance of the rubber strip 8 is measured, the avoiding tooth 25 can be inserted into the avoiding slot 26 to increase the compression degree of the rubber strip 8, and avoid the mutual interference of the limiting frames 16 to affect the normal measurement.

[0056] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0057] From the technical common sense, the present application can be realized by other embodiments without departing from the spirit or essential characteristics thereof. Therefore, the above disclosed embodiments, in terms of various aspects, are only illustrative, and not the only. All changes within the scope of the present application or within the scope equivalent to the present application are included in the present application.

Claims

1. A rubber durability testing platform, characterized in that, The experimental setup includes an experimental table (1), on which a mounting base (2) is fixedly connected. The mounting base (2) has two sets of mounting slots (3), on which experimental rods (4) are slidably mounted. Each experimental rod (4) has a sliding groove (5) on its opposite side. A fixing seat (6) is fixedly mounted at the bottom of each sliding groove (5). An adjusting screw (10) is installed inside each sliding groove (5). The adjusting screw (10) is threadedly connected to the upper end of each experimental rod (4). The adjusting screw (10) rotates... A toothed plate (9) is installed, and a movable seat (7) is fixedly installed on the toothed plate (9). The movable seat (7) is located directly above the fixed seat (6). Limit frames (16) are fixedly installed on the fixed seat (6) and the movable seat (7). Anti-slip textures (17) are provided on the upper end of the fixed seat (6) and the lower end of the movable seat (7). A rubber strip (8) is placed between the fixed seat (6) and the movable seat (7). A tension gauge (18) is fixedly installed on the mounting base (2). A drive mechanism is provided on the mounting base (2).

2. The rubber durability testing platform as described in claim 1, characterized in that, The driving mechanism includes a drive motor (21) fixedly mounted on the mounting base (2), a bidirectional lead screw (22) rotatably mounted in the mounting groove (3), and two sets of slide blocks (20) slidably mounted in the mounting groove (3). The drive shaft of the drive motor (21) is coaxially and fixedly connected to the bidirectional lead screw (22). Both sets of slide blocks (20) are threadedly connected to the bidirectional lead screw (22) and move in opposite directions. The upper end of the slide block (20) is fixedly connected to the bottom of the experimental rod (4).

3. The rubber durability testing platform as described in claim 2, characterized in that, A limiting rod (23) is fixedly installed in the mounting groove (3), and a limiting hole (24) corresponding to the limiting rod (23) is opened on the slide (20). The limiting rod (23) can slide through the corresponding limiting hole (24).

4. The rubber durability testing platform as described in claim 2, characterized in that, A limiting groove is provided on the side wall of the mounting groove (3), and a limiting block is slidably installed in the limiting groove. The limiting block is fixedly installed on the side of the slide (20).

5. The rubber durability testing platform as described in claim 1, characterized in that, The experimental rod (4) has a movable cavity (11), in which a locking block (12) is slidably installed. One end of the locking block (12) is adapted to the toothed plate (9). A return spring (13) is fixedly installed in the movable cavity (11). One end of the return spring (13) is fixedly connected to the locking block (12), and the other end is connected to the inner wall of the movable cavity (11).

6. The rubber durability testing platform as described in claim 5, characterized in that, The experimental rod (4) has a movable groove (14) which is connected to the interior of the movable cavity (11). A push plate (15) is slidably installed in the movable groove (14), and the push plate (15) and the locking block (12) are fixedly connected.

7. The rubber durability testing platform as described in claim 1, characterized in that, A sliding sleeve is fixedly provided on the top of the toothed plate (9), and the bottom end of the adjusting screw (10) is rotatably connected to the sliding sleeve.

8. The rubber durability testing platform as described in claim 1, characterized in that, Both ends of the tension and compression gauge (18) are provided with elastic measuring elements (19), and the two elastic measuring elements (19) are fixedly connected to the two experimental rods (4) respectively.

9. A rubber durability testing platform as described in claim 1, characterized in that, A clearance groove (26) is provided on the limiting frame (16) on one side of the experimental rod (4), and a clearance tooth (25) is provided on the corresponding limiting frame (16) on the other side of the experimental rod (4). The clearance tooth (25) can be inserted into the clearance groove (26).

10. A rubber durability testing platform as described in claim 1, characterized in that, A throttle is mounted on the top of the adjusting screw (10).

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