Rubber tensile detection device

Abstract

The utility model discloses a rubber tensile testing device which comprises a universal mechanical testing machine body and two clamping pieces, and each clamping piece comprises a fixing block, a fixing rod, two baffles, a clamping roller, a handle and a clamping spring. The fixing rod is fixed on the fixing block and is locked on the base or the stretching mechanism through a connecting piece; the baffle plate is relatively fixed on one side of the fixed block; the clamping roller is arranged between the two baffles, and a mounting bolt penetrates through the baffles and the outer edge of the clamping roller and is in threaded connection with the mounting nut; the mounting bolts are located on the sides, away from the fixing blocks, of the clamping rollers and located on the sides, close to the rubber material, of the clamping rollers. The handle is fixed on the outer edge of the clamping roller; one end of the clamping spring is fixedly connected with the fixing rod, and the other end of the clamping spring is fixedly connected with the side, close to the clamping roller, of the handle. The rubber material tensile detection device is applied to tensile detection of rubber materials, can stably mount the rubber materials, is simple to operate, and improves the detection effect.

Description

Technical Field

[0001] The utility model relates to the technical field of detection equipment, in particular to a rubber tensile strength detection device. Background Art

[0002] In actual use, in order to detect the tensile strength of rubber, a universal mechanical testing machine is currently often used to detect the tensile strength of rubber materials. That is, clamps are respectively arranged on the base and the stretching mechanism of the universal mechanical testing machine. The two ends of the rubber material are clamped by the clamps, and then the upper clamp is pulled upward by the stretching mechanism until the rubber material to be measured is broken, so as to obtain the tensile strength of the rubber. However, the clamps of the existing universal mechanical testing machines usually adopt pliers-type U-shaped clamps. In the actual use process, the phenomenon that the rubber material disengages from the clamp before being broken easily occurs, and the rubber material cannot be stably clamped on the clamp well, making it difficult to accurately measure and affecting the final detection effect. Content of the Utility Model

[0003] The purpose of the utility model is to provide a rubber tensile strength detection device. Due to the eccentric design of the installation bolt of the rubber tensile strength detection device, driving the handle outwards can increase the distance between the fixed block and the clamping roller. After the end of the rubber material is placed between the fixed block and the clamping roller, the handle is released, and the rubber material can be clamped under the action of the clamping spring. Then, the two clamping members are respectively installed on the base and the stretching mechanism through connecting members. When the universal mechanical testing machine body is started, the tensile test of the rubber material clamped on the two clamping members can be carried out. Moreover, when the rubber material is subjected to tension, it will pull the clamping roller to swing further towards the fixed block, which can further clamp the rubber material, enabling stable installation of the rubber material, with simple operation and good detection effect.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A rubber tensile testing device includes a universal mechanical testing machine body and two clamping members. The two clamping members are respectively arranged on the base and the stretching mechanism of the universal mechanical testing machine body. The clamping member includes a fixed block, a fixed rod, two baffles, a clamping roller, a handle and a clamping spring. The fixed rod is fixed on the fixed block, and the fixed rod is locked on the base or the stretching mechanism through a connecting member. The baffle is relatively fixed on one side of the fixed block. The clamping roller is arranged between the two baffles. An installation bolt passes through the baffle and the outer edge of the clamping roller and is threadedly connected with an installation nut, so that the clamping roller is rotatably arranged on the baffle. The installation bolt is located on the side of the clamping roller away from the fixed block and on the side of the clamping roller close to the rubber material. The handle is fixed on the outer edge of the clamping roller. The clamping spring is arranged on the side away from the rubber material. One end of the clamping spring is fixedly connected with the fixed rod, and the other end of the clamping spring is fixedly connected with the side of the handle close to the clamping roller. The end of the rubber material is tightly clamped between the fixed block and the clamping roller by the clamping spring.

[0006] Furthermore, a reinforcing block is arranged between the fixed block and the clamping roller. One end of the reinforcing block is fixedly connected with the fixed block, and the other end of the reinforcing block is provided with an arc-shaped groove. The end of the rubber material is tightly clamped between the arc-shaped groove and the outer edge of the clamping roller.

[0007] Furthermore, a plurality of external toothed racks are axially fixed on the outer edge of the clamping roller to increase the friction between the clamping roller and the rubber material.

[0008] Furthermore, a plurality of internal toothed racks are axially fixed on the arc-shaped groove to increase the friction between the reinforcing block and the rubber material.

[0009] Furthermore, connecting pipes are respectively fixed on the base and the stretching mechanism. An external connection hole is arranged on the connecting pipe. An internal connection hole is arranged on the fixed rod. The end of the fixed rod is tightly embedded in the connecting pipe, and the fixed rod is locked on the connecting pipe through a connecting member passing through the external connection hole and the internal connection hole.

[0010] Furthermore, the connecting member includes a connecting bolt and a connecting nut. The fixed rod is locked on the connecting pipe by the connecting bolt passing through the external connection hole and the internal connection hole and cooperating with the connecting nut.

[0011] After adopting the above technical solutions, the utility model has the following beneficial effects:

[0012] 1. A rubber tensile testing device of the present utility model. Due to the eccentric design of the mounting bolts, driving the handle outwards can increase the distance between the fixed block and the clamping roller. After the end of the rubber material is placed between the fixed block and the clamping roller, the handle is released, and the rubber material can be clamped under the action of the clamping spring. Then, the two clamping members are respectively installed on the base and the stretching mechanism through the connecting member. Starting the universal mechanical testing machine body can perform tensile testing on the rubber material clamped on the two clamping members. When the rubber material is under tension, it will pull the clamping roller to swing further towards the fixed block, which can further clamp the rubber material, enabling stable installation of the rubber material, with simple operation and good testing effect.

[0013] 2. A rubber tensile testing device of the present utility model. One end of the reinforcing block is fixedly connected to the fixed block, and an arc-shaped groove is provided at the other end of the reinforcing block. The end of the rubber material is tightly clamped between the arc-shaped groove and the outer edge of the clamping roller, which can fully increase the contact area between the rubber material and the reinforcing block and the clamping roller. Moreover, the external rack and the internal rack can respectively increase the friction force between the clamping roller and the reinforcing block and the rubber material, thereby improving the clamping effect on the rubber material.

[0014] 3. A rubber tensile testing device of the present utility model. By passing the connecting bolt through the outer connection hole and the inner connection hole and cooperating with the connecting nut, the fixed rod can be detachably locked on the connecting pipe, facilitating the quick installation and disassembly of the clamping member. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view of the clamping member, connecting member and rubber material of the present utility model before installation;

[0016] Figure 2 is the front view of the clamping member, connecting member and rubber material of the present utility model after installation;

[0017] Figure 3 is the front view of the clamping member of the present utility model;

[0018] Figure 4 is the sectional structure schematic diagram of the clamping member of the present utility model;

[0019] Figure 5 is the structure schematic diagram of the connecting member of the present utility model.

[0020] The reference numerals in the drawings are shown as:

[0021] 1. Universal mechanical testing machine body; 10. Base; 11. Tensile mechanism; 12. Connecting pipe; 120. Outer connection hole; 2. Clamping member; 20. Fixed block; 200. Reinforcing block; 201. Arc-shaped groove; 202. Inner rack; 21. Fixed rod; 210. Inner connection hole; 22. Baffle; 23. Clamping roller; 230. Outer rack; 24. Handle; 25. Clamping spring; 26. Mounting bolt; 27. Mounting nut; 3. Connecting member; 30. Connecting bolt; 31. Connecting nut; 4. Rubber material. Detailed implementation manner

[0022] In order to make the purpose, technical solution and advantages of the present utility model clearer, the present utility model will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0023] Please refer to Figures 1 to 5 , a rubber tensile testing device, including a universal mechanical testing machine body 1 and two clamping members 2. The two clamping members 2 are respectively arranged on the base 10 and the tensile mechanism 11 of the universal mechanical testing machine body 1. The clamping member 2 includes a fixed block 20, a fixed rod 21, two baffles 22, a clamping roller 23, a handle 24 and a clamping spring 25; the fixed rod 21 is fixed on the fixed block 20, and the fixed rod 21 is locked on the base 10 or the tensile mechanism 11 through a connecting member 3; the baffles 22 are relatively fixed on one side of the fixed block 20; the clamping roller 23 is arranged between the two baffles 22. A mounting bolt 26 passes through the baffle 22 and the outer edge of the clamping roller 23 and is threadedly connected with a mounting nut 27 to rotatably arrange the clamping roller 23 on the baffle 22; the mounting bolt 26 is located on the side of the clamping roller 23 away from the fixed block 20, and the mounting bolt 26 is located on the side of the clamping roller 23 close to the rubber material 4; the handle 24 is fixed on the outer edge of the clamping roller 23; the clamping spring 25 is arranged on the side away from the rubber material 4. One end of the clamping spring 25 is fixedly connected with the fixed rod 21, and the other end of the clamping spring 25 is fixedly connected with the side of the handle 24 close to the clamping roller 23. The end of the rubber material 4 is tightly clamped between the fixed block 20 and the clamping roller 23 by the clamping spring 25.

[0024] As Figures 1 to 4 shown, a reinforcing block 200 is arranged between the fixed block 20 and the clamping roller 23; one end of the reinforcing block 200 is fixedly connected with the fixed block 20, and the other end of the reinforcing block 200 is provided with an arc-shaped groove 201; the end of the rubber material 4 is tightly clamped between the arc-shaped groove 201 and the outer edge of the clamping roller 23.

[0025] As Figures 1 to 4As shown, a plurality of external racks 230 are fixed along the axial direction of the outer edge of the clamping roller 23, and the friction between the clamping roller 23 and the rubber material 4 is increased through the external racks 230.

[0026] As Figures 1 to 4 shown, a plurality of internal racks 202 are fixed along the axial direction of the arc-shaped groove 201 of the clamping roller 23, and the friction between the reinforcing block 200 and the rubber material 4 is increased through the internal racks 202.

[0027] As Figures 1 to 5 shown, connecting pipes 12 are respectively fixed on the base 10 and the stretching mechanism 11; an external connection hole 120 is provided on the connecting pipe 12; an internal connection hole 210 is provided on the fixing rod 21; the end of the fixing rod 21 is tightly embedded in the connecting pipe 12, and the fixing rod 21 is locked on the connecting pipe 12 by a connecting member 3 passing through the external connection hole 120 and the internal connection hole 210.

[0028] As Figures 1 to 5 shown, the connecting member 3 includes a connecting bolt 30 and a connecting nut 31, and the fixing rod 21 is locked on the connecting pipe 12 by the connecting bolt 30 passing through the external connection hole 120 and the internal connection hole 210 and cooperating with the connecting nut 31.

[0029] It can be understood that "a plurality of" in the present disclosure means two or more, and other quantifiers are similar. "And / or" describes the association relationship of associated objects and indicates that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. The character " / " generally represents an "or" relationship between the front and rear associated objects. The singular forms of "a", "the", and "said" are also intended to include the plural forms unless the context clearly indicates otherwise.

[0030] Furthermore, it can be understood that the terms "first", "second", etc. are used to describe various information, but this information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other and do not represent a specific order or degree of importance. In fact, the expressions such as "first" and "second" can be used interchangeably. For example, without departing from the scope of the present disclosure, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information.

[0031] Furthermore, it can be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "front", "rear", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present embodiment and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation.

[0032] It can be further understood that, unless otherwise specified, "connection" includes direct connection between two components without other components therebetween, and also includes indirect connection between two components with other elements therebetween.

[0033] It can be further understood that although operations are described in a specific order in the drawings in the embodiments of the present disclosure, it should not be construed as requiring these operations to be performed in the specific order shown or in a serial order, or requiring all the operations shown to obtain the desired result. In certain environments, multitasking and parallel processing may be advantageous.

[0034] Those skilled in the art will readily conceive of other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present disclosure, which follow the general principles of the present disclosure and include known common knowledge or conventional technical means in the technical field not disclosed herein. The specification and embodiments are only regarded as exemplary, and the true scope and spirit of the present disclosure are pointed out by the following claims.

[0035] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any variations or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. A rubber tensile testing device, comprising a universal mechanical testing machine body (1) and two clamping members (2), the two clamping members (2) are respectively arranged on the base (10) and the stretching mechanism (11) of the universal mechanical testing machine body (1), and is characterized in that: The clamping member (2) includes a fixing block (20), a fixing rod (21), two baffle plates (22), a clamping roller (23), a handle (24) and a clamping spring (25); the fixing rod (21) is fixed on the fixing block (20), and the fixing rod (21) is locked on the base (10) or the stretching mechanism (11) through a connecting member (3); the baffle plates (22) are relatively fixed on one side of the fixing block (20); the clamping roller (23) is arranged between the two baffle plates (22), and a mounting bolt (26) passes through the outer edge of the baffle plate (22) and the clamping roller (23) and is threadedly connected with a mounting nut (27), so that the clamping roller (23) is rotatably arranged on the baffle plate (22); the mounting bolt (26) is located on the side of the clamping roller (23) away from the fixing block (20), and the mounting bolt (26) is located on the side of the clamping roller (23) close to the rubber material (4); the handle (24) is fixed on the outer edge of the clamping roller (23); the clamping spring (25) is arranged on the side away from the rubber material (4), one end of the clamping spring (25) is fixedly connected with the fixing rod (21), and the other end of the clamping spring (25) is fixedly connected with the side of the handle (24) close to the clamping roller (23). The end of the rubber material (4) is tightly clamped between the fixing block (20) and the clamping roller (23) by the clamping spring (25).

2. The rubber tensile testing device according to claim 1, characterized in that: A reinforcing block (200) is arranged between the fixing block (20) and the clamping roller (23); one end of the reinforcing block (200) is fixedly connected with the fixing block (20), and an arc-shaped groove (201) is arranged at the other end of the reinforcing block (200); the end of the rubber material (4) is tightly clamped between the arc-shaped groove (201) and the outer edge of the clamping roller (23).

3. The rubber tensile testing device according to claim 2, wherein: A plurality of external racks (230) are fixed on the outer edge of the clamping roller (23) along its axial direction, and the friction between the clamping roller (23) and the rubber material (4) is increased through the external racks (230).

4. A rubber tensile testing device according to claim 3, characterized in that: A plurality of internal racks (202) are fixed on the arc-shaped groove (201) along the axial direction of the clamping roller (23), and the friction between the reinforcing block (200) and the rubber material (4) is increased through the internal racks (202).

5. A rubber tensile testing device according to claim 1, characterized in that: Connecting pipes (12) are respectively fixed on the base (10) and the stretching mechanism (11); an external connection hole (120) is arranged on the connecting pipe (12); an internal connection hole (210) is arranged on the fixing rod (21); the end of the fixing rod (21) is tightly embedded in the connecting pipe (12), and the fixing rod (21) is locked on the connecting pipe (12) through a connecting member (3) passing through the external connection hole (120) and the internal connection hole (210).

6. The rubber tensile testing device according to claim 5, characterized in that: The connecting member (3) includes a connecting bolt (30) and a connecting nut (31), and the fixing rod (21) is locked on the connecting pipe (12) by the connecting bolt (30) passing through the external connection hole (120) and the internal connection hole (210) and cooperating with the connecting nut (31).

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