Search

CN-224216435-U - Rubber tensile testing machine

CN224216435UCN 224216435 UCN224216435 UCN 224216435UCN-224216435-U

Abstract

The utility model discloses a rubber tension testing machine which comprises a base, a frame supporting mechanism, a group of sliding mechanisms, a screw rod assembly, a connecting plate, a tension meter, a first clamp and a second clamp, wherein the frame supporting mechanism is arranged in the Z-axis direction of the base, the sliding mechanisms are arranged on two sides of the frame supporting mechanism, the sliding mechanisms are connected with the connecting plate, the connecting plate is in sliding connection with the frame supporting mechanism, one end of the mounting plate is connected with the screw rod assembly, the tension meter is arranged at the other end of the mounting plate, the tension meter is connected with the first clamp, the first clamp and the second clamp are correspondingly arranged in the Z-axis direction, the second clamp is arranged on the base, and flexible structures are arranged on the first clamp and the second clamp. The utility model can measure the tensile force performance of rubber, realize flexible adjustment, adapt to rubber samples with different shapes and sizes, protect the integrity of the samples and ensure the stability and consistency in the stretching process.

Inventors

  • JIANG LILI
  • WU LIJUAN

Assignees

  • 苏州谦通仪器设备有限公司

Dates

Publication Date
20260508
Application Date
20250418

Claims (10)

  1. 1. The rubber tension testing machine is characterized by comprising a base (1), a frame supporting mechanism (2), a group of sliding mechanisms (3), a screw rod assembly (4), a connecting plate (5), a tension meter (6), a first clamp (7) and a second clamp (8), wherein the frame supporting mechanism (2) is arranged in the Z-axis direction of the base (1), the sliding mechanisms (3) are arranged on two sides of the frame supporting mechanism (2), the sliding mechanisms (3) are connected with the connecting plate (5), the connecting plate (5) is in sliding connection with the frame supporting mechanism (2), one end of the connecting plate (5) is connected with the screw rod assembly (4), the tension meter (6) is arranged at the other end of the connecting plate, the tension meter (6) is connected with the first clamp (7), the first clamp (7) and the second clamp (8) are correspondingly arranged in the Z-axis direction, the second clamp (8) is arranged on the base (1), and flexible structures are arranged on the first clamp (7) and the second clamp (8).
  2. 2. The rubber tension tester according to claim 1, wherein the first clamp (7) comprises a connecting support plate (701), a first driving device (702), a mechanical claw assembly (703) and a flexible clamping assembly (704), the top end of the connecting support plate (701) is connected with the tension meter (6), the first driving device (702) is arranged on the inner side of the connecting support plate (701), the mechanical claw assembly (703) is connected to the output end of the first driving device (702) and is arranged at the bottom end of the connecting support plate (701), and the mechanical claw assembly (703) is arranged around the outer side of the flexible clamping assembly (704).
  3. 3. A machine according to claim 2, characterized in that the gripper assembly (703) is provided with at least 4 grippers.
  4. 4. The rubber tensile testing machine according to claim 2, wherein the flexible clamping assembly (704) comprises a group of first flexible sheets (7041) and a group of second flexible sheets (7042), driving rotating shafts are arranged at the connecting ends of the first flexible sheets (7041) and the second flexible sheets (7042) and the connecting support plate (701), and the first flexible sheets (7041) and the second flexible sheets (7042) are alternately and obliquely arranged at the bottom end of the connecting support plate (701) in a surrounding mode in sequence.
  5. 5. The rubber tension tester according to claim 4, wherein the first flexible sheet (7041) has a length smaller than that of the second flexible sheet (7042), and the second flexible sheet (7042) is provided outside the first flexible sheet (7041).
  6. 6. The rubber tension tester according to claim 4, wherein the first flexible sheet (7041) and the second flexible sheet (7042) are made of flexible materials, and the sides are each provided in an arc shape.
  7. 7. The rubber tension testing machine according to claim 1, wherein the second clamp (8) comprises a first supporting block (803), a second supporting block (804), a sliding rod (805), a spring (806), a first clamping block (807) and a second clamping block (808), wherein the sliding rod (805) is arranged between the first supporting block (803) and the second supporting block (804), the sliding rod (805) is coated with the spring (806), one side of the sliding rod (805) is fixedly connected with the first clamping block (807), and the other side of the sliding rod is slidably connected with the second clamping block (808).
  8. 8. The rubber tension tester according to claim 7, wherein a set of concave blocks (8071) are arranged on the first clamping blocks (807), a set of flexible convex blocks (8081) are correspondingly arranged on the second clamping blocks (808), and anti-slip textures are arranged on the surfaces of the concave blocks (8071) and the flexible convex blocks (8081).
  9. 9. The rubber tensile testing machine according to claim 8, wherein the flexible protruding blocks (8081) and the concave blocks (8071) are arc-shaped and are embedded, and the flexible protruding blocks (8081) are made of flexible materials.
  10. 10. The rubber tension tester according to claim 1, wherein an emergency stop button (9) is arranged on the side of the base (1), and a transparent protective baffle is arranged around the emergency stop button.

Description

Rubber tensile testing machine Technical Field The utility model belongs to the technical field of tensile testing, and particularly relates to a rubber tensile testing machine. Background In the production process of rubber, mechanical property test is required, and the core principle is that tension is gradually applied, so that the stress-strain relation of the rubber material when the rubber material is stretched is monitored. This method can effectively evaluate the strength, extensibility and overall material properties of the rubber. However, in the industrial testing of rubber articles, irregularly shaped products are often encountered, which presents a significant challenge for tensile testing. The tensile testing machine for measuring rubber specially in the market is basically a general tensile testing machine, is designed for standard shape samples, such as materials with rectangular or circular cross sections, and is not suitable for rubber products with complex shapes and different sizes. The traditional equipment has the problems of unstable clamping, easy damage to the sample and the like when processing the sample with the complex shape, and the traditional clamp and the testing method are difficult to ensure the stability of the rubber sample in the testing process, so that inaccurate measured data and even test failure can be caused. Therefore, the above situation is to be solved. Disclosure of utility model The utility model aims to overcome the defects, and the utility model aims to provide the rubber tension testing machine which can measure the tension performance of rubber, realize flexible adjustment, adapt to rubber samples with different shapes and sizes, protect the integrity of the samples and ensure the stability and consistency in the stretching process. The rubber tension testing machine comprises a base, a frame supporting mechanism, a group of sliding mechanisms, a screw rod assembly, a connecting plate, a tension meter, a first clamp and a second clamp, wherein the frame supporting mechanism is arranged in the Z-axis direction of the base, the sliding mechanisms are arranged on two sides of the frame supporting mechanism, the sliding mechanisms are connected with the connecting plate, the connecting plate is in sliding connection with the frame supporting mechanism, one end of the connecting plate is connected with the screw rod assembly, the tension meter is arranged at the other end of the connecting plate, the tension meter is connected with the first clamp, the first clamp and the second clamp are correspondingly arranged in the Z-axis direction, the second clamp is arranged on the base, and flexible structures are arranged on the first clamp and the second clamp. The application relates to a rubber tensile testing machine, which can better adapt to rubber samples with various shapes and sizes by arranging flexible structures on a first clamp and a second clamp, ensure the effectiveness and stability of clamping and avoid testing errors caused by mismatch of the clamps. Further, the first fixture comprises a connecting support plate, a first driving device, a mechanical claw assembly and a flexible clamping assembly, wherein the top end of the connecting support plate is connected with the tension meter, the first driving device is arranged on the inner side of the connecting support plate, the mechanical claw assembly is connected to the output end of the first driving device and is arranged at the bottom end of the connecting support plate, and the mechanical claw assembly is arranged around the outer side of the flexible clamping assembly. The flexible clamping assembly enables the clamp to be better suitable for rubber samples with different shapes and sizes, and the mechanical claw assembly surrounding the outer side of the flexible clamping assembly further enhances the stability and safety of clamping. The combined use of the mechanical claw assembly and the flexible clamping assembly can ensure that the sample is kept stable in the whole tensile testing process and cannot slide or be damaged, so that the accuracy and the reliability of the testing data are ensured. Further, the gripper assembly is provided with at least 4 grippers. The multi-jaw design of the present application increases the adaptability to samples of different shapes and sizes. Particularly for those samples that are irregularly shaped or larger, more grippers can better follow their contours, thus ensuring an effective grip. Further, the flexible clamping assembly comprises a group of first flexible sheets and a group of second flexible sheets, wherein driving rotating shafts are arranged at the connecting ends of the first flexible sheets, the second flexible sheets and the connecting support plate, and the first flexible sheets and the second flexible sheets are alternately and obliquely arranged at the bottom end of the connecting support plate in a surrounding mode in sequence. According