Device for detecting tensile capacity of rubber plastic strip

Abstract

The utility model provides a device for detecting the tensile capacity of a rubber plastic strip, which is characterized in that the center of a base is provided with two fixed vertical plates which are bilaterally symmetrical, the inner sides of the fixed vertical plates are respectively provided with a clamping block, a triangular space is formed between the clamping blocks, and the upper parts of the two clamping blocks form a narrow opening; a torsional spring clamp is arranged between the clamping blocks, the outer side wall of the front end of the torsional spring clamp makes contact with the inner walls of the clamping blocks, and the rear end of the torsional spring clamp does not make contact with the inner walls of the clamping blocks. A hydraulic tensioning device is arranged on the top frame, a tension sensor is arranged at the lower end of the hydraulic tensioning device, a clamping seat is arranged below the tension sensor, two clamping blocks are arranged on the lower side of the clamping seat, torsion spring clamps are arranged between the clamping blocks, and the two ends of the rubber plastic strip are clamped by the two torsion spring clamps. Through the unique clamping structure and the hydraulic stretching device, the stretching capacity of the rubber plastic strip can be stabilized, and firm clamping of the rubber plastic strip is ensured through the design of the torsional spring clamp.

Description

TECHNICAL FIELD

[0001] The utility model relates to material performance detection field, more particularly, relate to a kind of rubber plastic strip tensile capacity detection device. BACKGROUND

[0002] Rubber plastic strip is widely used in the manufacture of various products in industry, and its tensile property is an important indicator for evaluating material quality. However, traditional tensile test methods usually rely on manual operation or simple mechanical equipment. The existing tensile capacity detection device is prone to damage the sample or injure the operator during the stretching process if the clamping is not stable or the operation is not careful, which poses a safety hazard. SUMMARY

[0003] The utility model is just based on the above technical problem, and proposes a kind of rubber plastic strip tensile capacity detection device.

[0004] A kind of rubber plastic strip tensile capacity detection device, including base, two left and right symmetrical stands are equipped on the base, top frame is equipped on the stand top, two left and right symmetrical fixed vertical boards are equipped in the base center, one clamping block is equipped in each fixed vertical board inner side, triangular space is formed between the clamping block, narrow mouth is formed in the upper portion of two clamping blocks;The outer side wall of the front end of torsion spring clamp is in contact with the inner wall of the clamping block, and the rear end of the torsion spring clamp is not in contact with the inner wall of the clamping block;Hydraulic tensioning device is equipped on the top frame, tension sensor is equipped in the lower end of the hydraulic tensioning device, clamping seat is equipped below the tension sensor, two clamping blocks are equipped in the lower side of the clamping seat, torsion spring clamp is equipped between the clamping blocks, and the two ends of rubber plastic strip are clamped by two torsion spring clamps.

[0005] Preferably, the hydraulic tensioning device is a hydraulic rod, and two symmetrical guide rods are provided on the upper side of the clamping seat, which slide through the top frame.

[0006] Preferably, the clamping block is movably installed on the inner side of the fixed vertical board, and an adjusting screw is provided on the rear side of the clamping block, which passes through the fixed vertical board and the stand and is threadedly connected with the fixed vertical board and the stand.

[0007] Preferably, the torsion spring clamp is composed of two plate clamps, a connecting shaft and a torsion spring, the side surface of the plate clamp is provided with two symmetrical connecting portions, the connecting portions of the two plate clamps are misaligned and aligned, the connecting shaft is rotatably installed between the connecting portions, the torsion spring is installed on the connecting shaft, and the clamping portion of the plate clamp is a flat surface with corrugations.

[0008] Beneficial effects: the utility model discloses a unique clamping structure and hydraulic stretching device, can the stretching ability of the stable rubber plastic strip, and the design of torsion spring clamp ensures the firm clamping of rubber plastic strip, and adjustable clamping block adapts to different specifications of test piece, and the setting of guide rod and tension sensor improves the accuracy and reliability of detection. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 The structure of the utility model is shown Figure 1 ;

[0010] Figure 2 The structure of the utility model is shown Figure 2 ;

[0011] Figure 3 The partial enlarged view of A in Figure 2 The specific embodiment is shown. DETAILED DESCRIPTION

[0012] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in combination with the drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0013] As Figure 1 shown, a rubber plastic strip stretching capacity detection device, including base 1, is equipped with two left and right symmetrical stands 2 on base 1, and the top of stand 2 is equipped with top frame 3, and the center of base 1 is equipped with two left and right symmetrical fixed vertical plates 4, and each fixed vertical plate 4 is equipped with one clamping block 5 on the inner side, and the clamping block 5 forms triangular space 6 between the two clamping blocks 5, and the upper part of two clamping blocks 5 forms narrow mouth 7;Between the clamping block 5, it is torsion spring clamp 8, the outer wall of the front end of torsion spring clamp 8 is in contact with the inner wall of clamping block 5, and the rear end of torsion spring clamp 8 is not in contact with the inner wall of clamping block 5, this structure makes that when torsion spring clamp 8 is pulled up by rubber plastic strip, it will move a certain distance upwards, and then be locked by the narrower clamping block 5.

[0014] Top frame 3 is equipped with hydraulic tensioning device 9, and the lower end of hydraulic tensioning device 9 is equipped with tension sensor 10, and the lower side of clamping seat 11 is equipped with two clamping blocks 5, and the clamping block 5 is equipped with torsion spring clamp 8, and the two ends of rubber plastic strip are clamped by two torsion spring clamps 8.

[0015] As a further improvement, the hydraulic tensioning device 9 is a hydraulic rod, and the upper side of clamping seat 11 is equipped with two symmetrical guide rods 12, and the guide rod 12 is slid through the top frame 3, to ensure the stability of the stretching process.

[0016] As a further improvement, as Figure 2As shown, the clamping block 5 is movably installed inside the fixed vertical plate 4, and the rear side of the clamping block 5 is provided with an adjusting screw 13, the adjusting screw 13 passes through and is in threaded connection with the fixed vertical plate 4 and the stand 2, so as to adjust the position of the clamping block 5 to adapt to rubber plastic strips and torsion spring clamps 8 of different sizes.

[0017] The two sides of the adjusting screw 13 are provided with slide rods 14, which are parallel to the adjusting screw 13 and pass through the fixed vertical plate 4 and the stand 2.

[0018] When the adjustable clamping block 5 is arranged, two adjustable clamping blocks 5 can also be arranged on the clamping seat 11, and the structure is simply changed in adaptability: two fixed vertical plates 4 are also arranged on the lower side of the clamping seat 11.

[0019] The adjustable clamping block 5 can independently clamp the rubber plastic strip without using the torsion spring clamp 8.

[0020] As a further improvement, as shown, Figure 3 The torsion spring clamp 8 is composed of two plate clamps 81, a connecting shaft 82 and a torsion spring 83, the side surface of the plate clamp 81 is provided with two symmetrical connecting parts 85, the connecting parts 85 of the two plate clamps 81 are staggered and aligned, the connecting shaft 82 is rotatably installed between the connecting parts 85, the torsion spring 83 is installed on the connecting shaft 82, and the clamping part 84 of the plate clamp 81 is a flat surface with corrugation, so as to improve the stability and reliability of clamping.

[0021] The above only describes preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for detecting the tensile capacity of rubber plastic strips, comprising a base, two left and right symmetrical stands are arranged on the base, and a top stand is arranged at the top of the stands, characterized in that, The base center is provided with two left-right symmetrical fixed vertical plates, each of the inner sides of the fixed vertical plates is provided with a clamping block, a triangular space is formed between the clamping blocks, and the upper portions of the two clamping blocks form narrow openings; a torsion spring clamp is arranged between the clamping blocks, the outer side wall of the front end of the torsion spring clamp is in contact with the inner wall of the clamping block, and the rear end of the torsion spring clamp is not in contact with the inner wall of the clamping block; a hydraulic tensioning device is arranged on the top frame, a tension sensor is arranged at the lower end of the hydraulic tensioning device, a clamping seat is arranged below the tension sensor, two clamping blocks are arranged on the lower side of the clamping seat, a torsion spring clamp is arranged between the clamping blocks, and the two ends of the rubber plastic strip are clamped by the two torsion spring clamps.

2. The rubber plastic strip tensile capacity detection device according to claim 1, characterized in that, The hydraulic tensioning device is a hydraulic rod, two symmetrical guide rods are arranged on the upper side of the clamping seat, and the guide rods slide through the top frame.

3. The rubber plastic strip tensile capacity detection device according to claim 1, characterized in that, The clamping block is movably installed on the inner side of the fixed vertical plate, an adjusting screw is arranged on the rear side of the clamping block, and the adjusting screw passes through and is threadedly connected with the fixed vertical plate and the stand.

4. The rubber plastic strip tensile capacity detection device according to claim 1, characterized in that, The torsion spring clamp is composed of two plate clamps, a connecting shaft and a torsion spring, the side surface of the plate clamp is provided with two symmetrical connecting portions, the connecting portions of the two plate clamps are misaligned and aligned, the connecting shaft is rotatably installed between the connecting portions, the torsion spring is installed on the connecting shaft, and the clamping portion of the plate clamp is a flat surface with corrugation.

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