Tensile force tester for rubber part

Abstract

The utility model discloses a tensile force tester for a rubber part, which relates to the field of rubber part testing equipment and comprises an outer frame, a first traction plate and a second traction plate are respectively mounted on the inner side of the outer frame, and one side of each of the first traction plate and the second traction plate is connected with a clamping plate. A first electric pull rod and a second electric pull rod are further installed on the inner side of the outer frame, the output end of the first electric pull rod is connected with the first traction plate, and the output end of the second electric pull rod is connected with the second traction plate. According to the tensile force tester for the rubber part, two groups of tension mechanisms, namely the first traction plate and the second traction plate, are respectively arranged on the inner side of the outer frame and are matched with corresponding power assemblies, so that two-end stretching or two-side stretching or four-side simultaneous stretching can be performed on the rubber part, and the tensile force test completion degree of the rubber part is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber part test equipment field, especially in a kind of rubber part tensile force tester. BACKGROUND

[0002] Tensile test is the core link indispensable in the whole cycle from research and development to application of rubber part, directly influences product quality, safety and market competitiveness;

[0003] The equipment operation structure for the tensile test of rubber part is relatively single at present, usually only one-way pulling operation is carried out, while in actual application, the use scene of rubber part is not the same, and sometimes multi-directional stretching is needed, at this time, the test completion degree of the current test equipment to rubber part is not enough, for this purpose, the utility model provides a kind of rubber part tensile force tester. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a kind of rubber part tensile force tester to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows: a kind of rubber part tensile force tester, including outer frame, the first pulling plate and the second pulling plate are respectively installed in the inner side of the outer frame, the first pulling plate and the second pulling plate side are connected with clamping plate, the inner side of the outer frame is also respectively installed with electric pull rod and electric pull rod No. 2, the output end of electric pull rod No. 1 is connected with the first pulling plate, the output end of electric pull rod No. 2 is connected with the second pulling plate, the clamping plate side is connected with fixed part, the fixed part one end is respectively connected with the first pulling plate and the second pulling plate, the bottom end of the outer frame is fixedly connected with bottom support rod, and the equipment is supported and fixed.

[0006] The first pulling plate and the second pulling plate are provided with two groups, two groups of the first pulling plate and the second pulling plate are oppositely arranged, the electric pull rod No. 1 and the electric pull rod No. 2 are provided with two groups, two groups of the electric pull rod No. 1 and the electric pull rod No. 2 are oppositely arranged, the inner circumferential side of the outer frame is provided with mounting groove, the electric pull rod No. 1 and the electric pull rod No. 2 are connected with mounting groove, the two opposite inner side surfaces of the outer frame are provided with first slide, two ends of two groups of the first pulling plate are connected with first slide rod, the first slide rod is slidably connected with the first slide, one surface of two groups of the first pulling plate is provided with second slide, two ends of two groups of the second pulling plate are connected with second slide rod, and the second slide rod is slidably connected with the second slide.

[0007] Preferably, the outer frame bottom end is connected with a force sensor, the two groups of the first electric pull rod and the second electric pull rod are electrically connected with the force sensor, the force sensor is used for tension sensing, a supporting plate is installed below the outer frame, one surface of the supporting plate is connected with a displacement sensor, the displacement sensor is adapted to the position of the rubber part to be measured, a connecting rod is connected to the outer circumferential side of the supporting plate, one end of the connecting rod is connected with the force sensor, and the displacement sensor is used for testing the deformation amount of the rubber part during stretching.

[0008] Preferably, the outer frame upper end is provided with a protective plate, one side of the protective plate is connected with a roller shaft, and the roller shaft is rotatably connected with the outer frame; when the rubber part is stretched, the protective plate is pulled up by the roller shaft to protect the outer circumferential side of the rubber part, thereby preventing the rubber part from being broken during stretching.

[0009] Preferably, one surface of the outer frame is provided with a control panel, and the control panel is electrically connected with the first electric pull rod, the second electric pull rod, the force sensor and the displacement sensor; and the device operation control is highly automated.

[0010] The rubber part stretching force tester has the following beneficial effects:

[0011] The rubber part stretching force tester has the following beneficial effects:

[0012] The protective plate is installed on the upper end of the outer frame to protect the outer circumferential side of the rubber part during stretching, thereby preventing the rubber part from splashing and affecting the test safety when the rubber part is broken. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the rubber part stretching force tester;

[0014] Figure 2 It is a front view structure schematic view of the rubber part stretching force tester;

[0015] Figure 3 It is a front view structure schematic view of the rubber part stretching force tester; Figure 2 It is a sectional view of A-A plane of the rubber part stretching force tester;

[0016] Figure 4 It is an internal structure schematic view of the rubber part stretching force tester;

[0017] Figure 5 It is a bottom surface structure schematic view of the rubber part stretching force tester;

[0018] Figure 6 For the utility model Figure 1 The partial close -up drawing of B in middle;

[0019] Figure 7 For the utility model Figure 1 The partial close -up drawing of C in middle.

[0020] In the drawing: 1, outer frame;101, installation slot;102, first slide;103, control panel;104, bottom support rod;2, first pull plate;201, No. 1 electric pull rod;202, clamping plate;2021, fixed part;203, second slide;204, first slide rod;3, second pull plate;301, second slide rod;302, No. 2 electric pull rod;4, force sensor;5, supporting plate;501, displacement sensor;502, connecting rod;6, protection plate;601, roller. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent and easy to understand, the specific embodiments of the utility model are described in detail below in conjunction with the drawings. In the following description, a lot of specific details are set forth in order to fully understand the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0022] In the utility model, unless explicitly defined and limited, the terms "installation", "connection", "fixing" and other terms should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements or the interaction relationship of two elements, unless explicitly limited. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0023] Please refer to Figures 1-7The utility model discloses a kind of rubber piece tensile force testing instruments, including frame 1, first pull plate 2 and second pull plate 3 are respectively installed in the inside of frame 1, first pull plate 2 and second pull plate 3 one side are connected with clamping plate 202, frame 1 inside is also respectively installed with No. 1 electric pull rod 201 and No. 2 electric pull rod 302, the output end of No. 1 electric pull rod 201 is connected with first pull plate 2, the output end of No. 2 electric pull rod 302 is connected with second pull plate 3, first pull plate 2 is pulled and moved using No. 1 electric pull rod 201, to stretch rubber piece, second pull plate 3 is pulled and moved using No. 2 electric pull rod 302, also stretch rubber piece.

[0024] First pull plate 2 and second pull plate 3 are provided with two groups, two groups of first pull plate 2 and second pull plate 3 are oppositely arranged, No. 1 electric pull rod 201 and No. 2 electric pull rod 302 are provided with two groups, two groups of No. 1 electric pull rod 201 and No. 2 electric pull rod 302 are oppositely arranged, form the cooperation of stretching on the two sides of rubber piece, the inner circumferential side of frame 1 is provided with mounting groove 101, No. 1 electric pull rod 201 and No. 2 electric pull rod 302 are connected with mounting groove 101, mounting groove 101 is used to install and contain No. 1 electric pull rod 201 and No. 2 electric pull rod 302 respectively, the two opposite inner side surfaces of frame 1 are provided with first slide 102, two groups of first pull plate 2 both ends are connected with first slide rod 204, first slide rod 204 is slidably connected with first slide 102, first pull plate 2 moves along the inside of frame 1 by first sliding mechanism, the surface of two groups of first pull plate 2 is provided with second slide 203, two groups of second pull plate 3 both ends are connected with second slide rod 301, second slide rod 301 is slidably connected with second slide 203, second pull plate 3 moves along the inside of first pull plate 2 by second sliding mechanism;

[0025] Frame 1 bottom end is connected with force sensor 4, two groups of No. 1 electric pull rod 201 and No. 2 electric pull rod 302 are electrically connected with force sensor 4, the tension that No. 1 electric pull rod 201 and No. 2 electric pull rod 302 exert to rubber piece is fed back to force sensor 4, and force value calculation is carried out, is further fed back to control panel 103, the lower portion of frame 1 is installed with supporting plate 5, the surface of supporting plate 5 is connected with displacement sensor 501, displacement sensor 501 is adapted to the position of the rubber piece to be measured, the deformation amount when rubber piece is stretched is detected using displacement sensor 501, the outer circumferential side of supporting plate 5 is connected with connecting rod 502, one end of connecting rod 502 is connected with force sensor 4, supporting plate 5 is installed and fixed using connecting rod 502, the upper end of frame 1 is installed with protection plate 6, one side of protection plate 6 is connected with roller shaft 601, roller shaft 601 is rotatably connected with frame 1, the outside protection when stretching is carried out using protection plate 6, prevent the danger caused by rubber piece breakage when flying;

[0026] The clamping plate 202 is connected with a fixing piece 2021 on one side, and the fixing piece 2021 is connected with the first pulling plate 2 and the second pulling plate 3 at one end, respectively, the clamping plate 202 is connected and fixed by the fixing piece 2021, the bottom end of the outer frame 1 is fixedly connected with a bottom supporting rod 104, the outer frame 1 is supported and fixed by the bottom supporting rod 104, a control panel 103 is installed on one surface of the outer frame 1, the control panel 103 is electrically connected with the first electric pull rod 201, the second electric pull rod 302, the force sensor 4 and the displacement sensor 501, respectively, the first electric pull rod 201 is electrically started by the control panel 103, and the first electric pull rod 201 stretches the rubber piece at both ends, the second electric pull rod 302 is electrically started by the control panel 103, and the second electric pull rod 302 stretches the rubber piece on both sides, the force sensor 4 and the displacement sensor 501 test the stretching force and the deformation of the rubber piece, respectively, and the data values are fed back to the control panel 103, wherein the first electric pull rod 201, the second electric pull rod 302, the force sensor 4 and the displacement sensor 501 all adopt existing equipment.

[0027] The utility model discloses a rubber piece stretching force tester, when testing the rubber piece, axial tension is applied to make it gradually elongate until breaking, the maximum tension and breaking elongation are recorded, the tensile strength and the elongation at break are calculated, the stretching speed is kept 500mm / min during testing, the environmental temperature is 23±2 DEG C, and the humidity is 50±5%;

[0028] Specifically, the rubber piece is clamped and fixed at both ends by the clamping plate 202, and the outer frame 1 is provided with two groups of tension mechanisms of the first pulling plate 2 and the second pulling plate 3 on the inner side, wherein the first pulling plate 2 stretches the rubber piece at both ends by the first electric pull rod 201, and the first pulling plate 2 moves along the first sliding mechanism at both ends, so that the operation stability is strengthened, and meanwhile, the second pulling plate 3 is installed on the inner side of the two groups of first pulling plates 2, and the rubber piece is clamped on both sides by the clamping plate 202, and the second pulling plate 3 stretches the rubber piece on both sides by the second electric pull rod 302, and the second pulling plate 3 moves along the second sliding mechanism, so that the operation stability is guaranteed, and thus the rubber piece can be stretched at both ends, on both sides or simultaneously in four directions, the testing surface is wide, and the testing degree is high, it should be noted that the two groups of sliding mechanisms have high matching degree when in use, and can be coated with lubricating oil and other media, the sliding mechanism does not cause resistance to the pulling plate when the pulling plate moves, the accuracy of the rubber piece stretching test is guaranteed, and the tension signals of the first electric pull rod 201 and the second electric pull rod 302 are fed back to the force sensor 4 at the corresponding positions, and the stretching force parameters of the rubber piece are calculated by the control panel 103.

[0029] In addition, the outer frame 1 is provided with a protective plate 6 on the upper end, the protective plate 6 can be turned up and pulled up in cooperation with the roller shaft 601 on one side, and the rubber piece is protected on the outer side during stretching, so that the rubber piece is prevented from being pulled off and splashing to affect the testing safety.

[0030] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A rubber piece tensile force tester comprising an outer frame (1), characterized in that: The inner side of the outer frame (1) is respectively equipped with a first traction plate (2) and a second traction plate (3). A clamping plate (202) is connected to one side of the first traction plate (2) and the second traction plate (3). The inner side of the outer frame (1) is also respectively equipped with a first electric pull rod (201) and a second electric pull rod (302). The output end of the first electric pull rod (201) is connected to the first traction plate (2), and the output end of the second electric pull rod (302) is connected to the second traction plate (3).

2. The rubber member tensile force tester according to claim 1, characterized by: The first traction plate (2) and the second traction plate (3) are each provided in two sets, and the first traction plate (2) and the second traction plate (3) in the two sets are arranged opposite to each other. The first electric pull rod (201) and the second electric pull rod (302) are each provided in two sets, and the first electric pull rod (201) and the second electric pull rod (302) in the two sets are arranged opposite to each other. The inner periphery of the outer frame (1) is provided with a mounting groove (101), and the first electric pull rod (201) and the second electric pull rod (302) are both connected to the mounting groove (101).

3. The rubber tensile force tester according to claim 2, characterized in that: The outer frame (1) has a first slide rail (102) on each of its two opposite inner surfaces. Both ends of the two sets of first traction plates (2) are connected to a first slide rod (204). The first slide rod (204) slides in cooperation with the first slide rail (102). Both surfaces of the two sets of first traction plates (2) have a second slide rail (203). Both ends of the two sets of second traction plates (3) are connected to a second slide rod (301). The second slide rod (301) slides in cooperation with the second slide rail (203).

4. The rubber tensile force tester according to claim 3, characterized in that: The bottom of the outer frame (1) is connected to a force sensor (4), and both sets of the first electric pull rod (201) and the second electric pull rod (302) are electrically connected to the force sensor (4).

5. A rubber tensile force tester according to claim 4, characterized in that: A support plate (5) is installed below the outer frame (1). A displacement sensor (501) is connected to one surface of the support plate (5). The displacement sensor (501) is adapted to the position of the rubber part to be tested. A connecting rod (502) is connected to the outer periphery of the support plate (5). One end of the connecting rod (502) is connected to the force sensor (4).

6. A rubber tensile force tester according to claim 5, characterized in that: A protective plate (6) is installed on the upper end of the outer frame (1), and a roller (601) is connected to one side of the protective plate (6). The roller (601) is rotatably connected to the outer frame (1).

7. A rubber tensile force tester according to claim 6, characterized in that: The clamping plate (202) is connected to a fixing member (2021) on one side. One end of the fixing member (2021) is connected to the first traction plate (2) and the second traction plate (3) respectively. The bottom support rod (104) is fixedly connected to the bottom end of the outer frame (1).

8. A rubber tensile force tester according to claim 7, characterized in that: A control panel (103) is mounted on one surface of the outer frame (1), and the control panel (103) is electrically connected to the first electric pull rod (201), the second electric pull rod (302), the force sensor (4), and the displacement sensor (501).

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