Tensile strength testing device for rubber product
By designing a tensile strength test device with a parallel and correspondingly movable tensile testing unit, the problem that existing devices cannot effectively test rubber products of different lengths is solved, and more efficient and accurate testing results are achieved.
Patent Information
- Application Number
- CN202421585757.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-05
AI Technical Summary
The existing tensile strength testing device does not have a tensile test unit that can be unidirectional and bidirectional, and it is impossible to effectively conduct one-way or bidirectional tensile strength testing on rubber products of different lengths, which affects the test effect.
A tensile strength testing device is designed including two parallel and correspondingly movable tensile testing units. Each test unit consists of a driving mechanism, a support rod and a fixing mechanism, and can conduct unilateral and bidirectional tensile strength testing individually or simultaneously.
It improves the tensile strength test efficiency and the accuracy of test data of rubber products, and can effectively conduct unidirectional or bidirectional tensile strength tests on rubber products of different lengths.
Smart Images
Figure CN222882477U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tensile strength testing, in particular to a tensile strength testing device for rubber products. Background Art
[0002] Rubber products refer to the production of various rubber products using natural and synthetic rubber as raw materials, and also include rubber products produced from waste rubber. The output of synthetic rubber has greatly exceeded that of natural rubber, of which styrene-butadiene rubber has the largest output. The tensile strength of rubber products is one of the important factors in measuring the quality of rubber products. Therefore, before rubber products leave the factory, they need to undergo certain tensile strength tests.
[0003] The traditional tensile strength testing device performs a tensile strength test on the rubber product by hanging a corresponding weight at the bottom of the rubber product. This tensile method performs the test by applying a tensile force in one direction, and does not provide a unidirectional and bidirectional tensile testing unit so that the tensile strength testing device can perform unidirectional or bidirectional tensile strength tests on rubber products of different lengths, which affects the tensile strength test effect of the rubber product. Utility Model Content
[0004] In view of the above-mentioned defects or shortcomings in the prior art, it is desired to provide a tensile strength testing device for rubber products, which is used to solve the technical problem that the existing tensile strength testing device is not provided with a unidirectional and bidirectional tensile testing unit, so that the tensile strength testing device can perform unidirectional or bidirectional tensile strength tests on rubber products of different lengths, thereby affecting the tensile strength testing effect of the rubber products.
[0005] According to the technical solution provided in the embodiment of the present application, the tensile strength testing device of the rubber product comprises two tensile testing units which are movably installed in parallel and correspondingly on the test bench, so that the two tensile testing units can perform unidirectional or bidirectional tensile strength testing on the rubber product;
[0006] The tensile test unit comprises a driving mechanism, a support rod and a fixing mechanism, wherein the driving mechanism is horizontally installed in a moving groove on the test bench, and the support rod is screwed to a screw rod on the driving mechanism through a ball nut, so that the driving mechanism drives the support rod to move linearly along the length direction of the screw rod, and a fixing groove is vertically arranged on the support rod, and a fixing mechanism is vertically arranged in the fixing groove, so that the fixing mechanism clamps and fixes the rubber product to be tested for tensile strength;
[0007] The fixing mechanism comprises a telescopic driving member, an upper fixing plate and a lower fixing plate, wherein an adjusting groove is arranged at the bottom of the lower fixing plate, an elastic member is installed in the adjusting groove, and the elastic member abuts against the fixing rod, and the top of the upper fixing plate corresponding to the top of the lower fixing plate is fixedly connected to the output end of the telescopic driving member, so that when the telescopic driving member drives the upper fixing plate to move downward, it pushes the lower fixing plate to move along the adjusting groove, and compresses the elastic member installed in the adjusting groove, so that the upper fixing plate and the lower fixing plate press and fix the rubber product.
[0008] Furthermore, the driving mechanism includes a rotating driving member and a screw rod, the screw rod is horizontally movably installed in the movable groove, and one end of the screw rod is fixedly connected to the output end of the rotating driving member, so that the rotating driving member drives the screw rod to rotate.
[0009] Furthermore, the support rod is a rectangular structural rod, and protective plates are fixedly installed on both sides of the support rod. The two protective plates are movably installed in the slide grooves on the test bench so that the protective plates protect the movable grooves.
[0010] Furthermore, the surface of the test bench is also provided with scale lines, so that the scale lines mark the tension value of the moving position.
[0011] Furthermore, the contact surfaces of the upper fixing plate and the lower fixing plate are concave-convex structures, which are used to increase the friction between the rubber product and the upper fixing plate and the lower fixing plate.
[0012] Furthermore, the elastic member is a spring made of metal material.
[0013] In summary, the beneficial effects of this application are:
[0014] 1. By setting two corresponding tensile test units on the test bench of the tensile strength test device, the two tensile test units can perform unilateral tensile strength test on the rubber product separately, and can also perform bidirectional tensile test on the rubber product, thereby improving the tensile strength test efficiency and test data accuracy of the rubber product;
[0015] Second, an adjustment groove is provided at the bottom of the lower fixed plate on the fixing mechanism, and an elastic metal spring is installed in the adjustment groove, so that the stamping force generated by the telescopic driving member driving the upper fixed plate to move downward is absorbed by the elastic member, and a concave-convex structure surface is provided on the contact surface of the upper fixed plate and the lower fixed plate, thereby increasing the friction between the upper fixed plate and the lower fixed plate and the rubber product, preventing the rubber product from falling off or moving during the compression test, and improving the tensile strength test efficiency of the rubber product and the accuracy of the test data. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the tension unit of the utility model;
[0020] Figure 4 for Figure 3 Enlarged view of point A in the middle.
[0021] Numbers in the figure: tension test unit-100, driving mechanism-110, rotating driving member-111, screw rod-112, support rod-120, fixing mechanism-130, telescopic driving member-131, upper fixing plate-132, lower fixing plate-133, elastic member-134, fixing rod-135, test bench-200, moving slot-210, scale line-220, protective plate-300. DETAILED DESCRIPTION
[0022] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.
[0023] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0024] Tensile strength testing device for rubber products, such as Figure 1-Figure 4As shown, it includes two tension test units 100, which are installed on the test bench 200 in parallel and correspondingly, so that the two tension test units 100 can perform unidirectional or bidirectional tensile strength tests on rubber products; the tension test unit 100 includes a driving mechanism 110, a support rod 120 and a fixing mechanism 130, the driving mechanism 110 is horizontally installed in a movable groove 210 on the test bench 200, and the support rod 120 is screwed to a screw rod 112 on the driving mechanism 110 through a ball nut, so that the driving mechanism 110 drives the screw rod 112 to rotate, so that the support rod 120 screwed to the screw rod 112 moves linearly along the length direction of the screw rod 112, and the compressive strength test is performed on the rubber product fixed on the top of the support rod 120, and the support rod 120 is vertically provided with a fixing groove, and the fixing mechanism 130 is vertically provided in the fixing groove, so that the fixing mechanism 130 clamps and fixes the rubber product to be tested for tensile strength to prevent the rubber product from falling off or moving during the compression test; the fixing mechanism 130 includes a telescopic driving member 131, an upper fixing plate 132 and a lower fixing plate 133, an adjusting groove is provided at the bottom of the lower fixing plate 133, an elastic member 134 is installed in the adjusting groove, and the elastic member 134 abuts against the fixing rod 135, and the top of the upper fixing plate 132 corresponding to the top of the lower fixing plate 133 is fixedly connected to the output end of the telescopic driving member 131, so that when the telescopic driving member 131 drives the upper fixing plate 132 to move downward, it pushes the lower fixing plate 133 to move along the adjusting groove, and compresses the elastic member 134 installed in the adjusting groove, so that the elastic member 134 absorbs the impact force generated during the downward movement of the upper fixing plate 132, so that the upper fixing plate 132 and the lower fixing plate 133 press and fix the rubber product.
[0025] When the tensile strength test device performs tensile strength test on rubber products of different lengths and sizes, each tensile test unit 100 is installed in two corresponding movable grooves 210 on the test bench 200, and a corresponding fixing mechanism 130 is installed in the fixing groove on the support rod 120 of each tensile test unit 100. The telescopic driving member 131 on the fixing mechanism 130 drives the fixedly connected upper fixing plate 132 to move downward along the fixing groove, so that the upper fixing plate 132 presses and fixes one end of the rubber product placed on the lower fixing plate 133 to prevent the rubber product from being damaged during the test. The rubber product falls off or moves during the compression test, which affects the tensile strength test of the rubber product. Each tensile test unit 100 has an independent driving mechanism 110, so that the driving mechanism 110 drives the support rod 120 screwed on the screw rod 112 to move along the length direction of the moving groove 210, thereby performing a unilateral compressive strength test on the rubber product fixed on the fixing mechanism 130, and the two tensile test units 100 can also be started synchronously to perform a bidirectional tensile test on the rubber product, thereby improving the tensile strength test efficiency of the rubber product and the accuracy of the test data.
[0026] As a preferred embodiment, please refer to Figure 2 and Figure 3 The driving mechanism 110 includes a rotating driving member 111 and a screw rod 112. The screw rod 112 is horizontally movably installed in the movable groove 210, and one end of the screw rod 112 is fixedly connected to the output end of the rotating driving member 111, so that the rotating driving member 111 drives the screw rod 112 to rotate, thereby driving the support rod 120 screwed on the screw rod 112 to move along the length direction of the screw rod 112.
[0027] As a preferred embodiment, please refer to Figure 1 and Figure 2 The support rod 120 is a rectangular structural rod, and protective plates 300 are fixedly installed on both sides of the support rod 120, and the protective plates 300 are foldable structural plates. The two protective plates 300 are movably installed in the slide groove on the test bench 200, so that the protective plates 300 can protect the driving mechanism 110 inside the movable groove 210.
[0028] As a preferred embodiment, please refer to Figure 1 The surface of the test bench 200 is also provided with scale lines 220, so that the scale lines 220 mark the tension value of the moving position, so as to facilitate timely acquisition of the compressive tension data of the rubber product.
[0029] As a preferred embodiment, please refer to Figure 3 and Figure 4 The contact surfaces of the upper fixing plate 132 and the lower fixing plate 133 are concave-convex structures, which are used to increase the friction between the rubber product and the upper fixing plate 132 and the lower fixing plate 133.
[0030] As a preferred embodiment, please refer to Figure 3 and Figure 4 The elastic member 134 is a metal spring and is used for elastic support of the lower fixing plate 133 .
[0031] The working principle of the utility model is:
[0032] When the tensile strength testing device performs tensile strength testing on rubber products of different lengths and sizes, each tensile test unit 100 is installed in the two corresponding movable grooves 210 on the test table 200, and a corresponding fixing mechanism 130 is installed in the fixing groove on the support rod 120 of each tensile test unit 100. The telescopic driving member 131 on the fixing mechanism 130 drives the fixedly connected upper fixing plate 132 to move downward along the fixing groove, so that the upper fixing plate 132 presses and fixes one end of the rubber product placed on the lower fixing plate 133, so as to prevent the rubber product from falling off or moving during the compression test. The movement affects the tensile strength test of the rubber product, and each tensile test unit 100 has an independent driving mechanism 110, so that the rotating driving member 111 on the driving mechanism 110 drives the screw rod 112 to rotate, thereby driving the support rod 120 screwed on the screw rod 112 to move along the length direction of the moving groove 210, so that the tensile test unit 100 can perform a unilateral compressive strength test on the rubber product fixed on the fixing mechanism 130, and can also enable the two tensile test units 100 to be started synchronously to perform a bidirectional tensile test on the rubber product, thereby improving the tensile strength test efficiency of the rubber product and the accuracy of the test data.
[0033] The beneficial effects of the utility model are:
[0034] 1. By arranging two corresponding tensile test units 100 on the test table 200 on the tensile strength test device, the two tensile test units 100 can perform unilateral tensile strength test on the rubber product alone, and can also perform bidirectional tensile test on the rubber product, thereby improving the tensile strength test efficiency and test data accuracy of the rubber product;
[0035] Second, by setting an adjustment groove at the bottom of the lower fixing plate 133 on the fixing mechanism 130, and installing an elastic member 134 metal spring in the adjustment groove, the stamping force generated by the telescopic driving member 131 driving the upper fixing plate 132 to move downward is absorbed by the elastic member 134, and a concave-convex structure surface is set on the contact surface of the upper fixing plate 132 and the lower fixing plate 133, thereby increasing the friction between the upper fixing plate 132 and the lower fixing plate 133 and the rubber product, preventing the rubber product from falling off or moving during the compression test, and improving the tensile strength test efficiency and test data accuracy of the rubber product.
[0036] The above description is only an explanation of the preferred embodiments of the present application and the technical principles and other schemes used. At the same time, the scope of the utility model involved in the present application is not limited to the technical scheme formed by a specific combination of the above technical features, but also includes other technical schemes formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) to form a technical scheme.
Claims
1. The tensile strength testing device for rubber products is characterized by: It comprises two tensile test units (100) which are movably installed in parallel and correspondingly on a test bench (200) so that the two tensile test units (100) can perform unidirectional or bidirectional tensile strength tests on rubber products; The tensile testing unit (100) comprises a driving mechanism (110), a support rod (120) and a fixing mechanism (130), wherein the driving mechanism (110) is horizontally installed in a moving groove (210) on the test bench (200), and the support rod (120) is screwed to a screw rod (112) on the driving mechanism (110) through a ball nut, so that the driving mechanism (110) drives the support rod (120) to move linearly along the length direction of the screw rod (112), and the support rod (120) is provided with a fixing groove in a vertical direction, and a fixing mechanism (130) is vertically arranged in the fixing groove, so that the fixing mechanism (130) can clamp and fix the rubber product to be tested for tensile strength; The fixing mechanism (130) comprises a telescopic driving member (131), an upper fixing plate (132) and a lower fixing plate (133); an adjusting groove is arranged at the bottom of the lower fixing plate (133); an elastic member (134) is installed in the adjusting groove, and the elastic member (134) abuts against a fixing rod (135); and the top of the upper fixing plate (132) corresponding to the top of the lower fixing plate (133) is fixedly connected to the output end of the telescopic driving member (131), so that when the telescopic driving member (131) drives the upper fixing plate (132) to move downward, the lower fixing plate (133) is pushed to move along the adjusting groove, and the elastic member (134) installed in the adjusting groove is compressed, so that the upper fixing plate (132) and the lower fixing plate (133) press and fix the rubber product.
2. The tensile strength testing device for rubber products according to claim 1, characterized in that: The driving mechanism (110) comprises a rotating driving member (111) and a screw rod (112); the screw rod (112) is horizontally movably installed in the movable groove (210), and one end of the screw rod (112) is fixedly connected to the output end of the rotating driving member (111), so that the rotating driving member (111) drives the screw rod (112) to rotate.
3. The tensile strength testing device for rubber products according to claim 1, characterized in that: The support rod (120) is a rectangular structural rod, and protective plates (300) are fixedly installed on both sides of the support rod (120). The two protective plates (300) are movably installed in the sliding grooves on the test bench (200) so that the protective plates (300) protect the movable grooves (210).
4. The tensile strength testing device for rubber products according to claim 1, characterized in that: The surface of the test bench (200) is also provided with scale lines (220), so that the scale lines (220) mark the tension value of the moving position.
5. The tensile strength testing device for rubber products according to claim 1, characterized in that: The contact surfaces of the upper fixing plate (132) and the lower fixing plate (133) are concave-convex structures, which are used to increase the friction between the rubber product and the upper fixing plate (132) and the lower fixing plate (133).
6. The tensile strength testing device for rubber products according to claim 1, characterized in that: The elastic member (134) is a spring made of metal material.