Tension testing machine for automobile rubber part

Abstract

The utility model discloses an automobile rubber part tension testing machine which comprises an outer fixing frame, a first tension mechanism is arranged in the front half end of the outer fixing frame, a second tension mechanism is arranged in the rear half end of the outer fixing frame, and the first tension mechanism and the second tension mechanism are the same in structure. The first tension mechanism and the second tension mechanism of the device can test different rubber parts at the same time, test conditions of two different automobile rubber parts can be compared conveniently, the same rubber parts can be detected, the detection speed of the rubber parts is increased, and the detection efficiency is improved. According to the device, the stretching distance of a rubber part can be calculated according to the number of turns of rotation of a threaded rod, meanwhile, after a linkage plate moves, the corresponding calibrated scale points to different scales, a user can visually see the stretching distance and the corresponding pulling force of the rubber part, and the use convenience is improved; according to the device, rubber parts of different sizes can be rapidly fixed, and the working efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of testing machines, in particular to a tensile testing machine for automobile rubber parts. Background Art

[0002] Tensile testing machine is also called universal material testing machine. It is used for data testing and factory inspection. The tensile fixtures are different for different items to be tested. There are various physical and mechanical property tests for materials such as plastic film, rubber, and wire and cable.

[0003] The existing automobile rubber tensile testing machines on the market can only test a single automobile rubber part at a time, which not only has a slow detection speed, but is also inconvenient to compare the test results of two different automobile rubber parts, reducing the practical value of the equipment. Therefore, an automobile rubber tensile testing machine is proposed to address the above problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] A tensile testing machine for automobile rubber parts comprises an outer fixing frame, a first tensile mechanism is installed inside the front half of the outer fixing frame, a second tensile mechanism is installed inside the rear half of the outer fixing frame, the first tensile mechanism and the second tensile mechanism have the same structure and are symmetrically distributed in the outer fixing frame, the first tensile mechanism comprises a fixing frame, the fixing frame is installed inside the left end of the outer fixing frame, a pressure sensor is installed at the left end of the fixing frame groove, the right end of the pressure sensor is fixedly connected to the left end of the first clamping frame, a first hydraulic rod is installed inside the top wall of the first clamping frame, a first clamping plate is installed at the bottom of the telescopic end of the first hydraulic rod, and the bottom of the first clamping frame is connected to the sliding block. The top side is slidably connected, and the slider is fixed inside the bottom end of the fixing frame groove, the right end of the fixing frame is fixedly connected to the left end of the threaded rod, the right end of the threaded rod passes through the movable frame and is connected to the inside of the right wall of the outer fixing frame, a motor is installed at the right end of the outer fixing frame, and the output end of the motor is connected to the right end of the threaded rod through a coupling, a second clamping frame is installed on the top of the movable frame, a second hydraulic rod is installed inside the top wall of the second clamping frame, the bottom of the telescopic end of the second hydraulic rod is fixedly connected to the second clamping plate, the front side of the left end of the movable frame is fixedly connected to the rear end of the linkage plate, the front end of the linkage plate is connected to the inside of the movable groove of the front wall of the outer fixing frame, and a scale is provided above the movable groove.

[0006] Preferably, anti-slip grooves are provided on the inner sides of the bottom ends of the first clamping frame and the second clamping frame.

[0007] Preferably, the bottoms of the front and rear ends of the movable frame are slidably connected to the side surfaces of the limiting track plate, and the bottom of the limiting track plate is fixedly connected to the inner side of the bottom of the outer fixed frame.

[0008] Preferably, the three-dimensional shape of the movable groove is a rectangular parallelepiped structure.

[0009] Preferably, the three-dimensional shape of the slider is a rectangular parallelepiped structure.

[0010] Preferably, the first hydraulic rod and the second hydraulic rod are connected to an external hydraulic component.

[0011] Compared with the prior art, the beneficial effects of the utility model are: (1) the first tension mechanism and the second tension mechanism can test different rubber parts at the same time, which is convenient for comparing the test results of two different automobile rubber parts, and can also test the same rubber parts, thereby increasing the speed of rubber part testing.

[0012] (2) When the device is in use, the telescopic end of the first hydraulic rod drives the first clamping plate to rise and fall. The first clamping plate is pressed down to quickly clamp one end of the rubber member inside the first clamping frame. Then the telescopic end of the second hydraulic rod drives the second clamping plate to rise and fall. The second clamping plate is pressed down to clamp the other end of the rubber member inside the second clamping frame. The rotation of the motor output end will drive the threaded rod to rotate. The rotation of the threaded rod can drive the movable frame to move. The movable frame moves to the right, which will pull the rubber member to the right. The tension will be transmitted to the first clamping frame. The pressure sensor can detect the tension exerted on the first clamping frame. The device can calculate the stretching distance of the rubber member according to the number of turns of the threaded rod. At the same time, the linkage plate will move with the movable frame. After the linkage plate moves, it will point to different scales corresponding to the scale. The user can intuitively see the stretching distance of the rubber member and the corresponding tension, which increases the convenience of use.

[0013] (3) The telescopic end of the first hydraulic rod drives the first clamping plate to move up and down. The first clamping plate can be pressed down to quickly clamp one end of the rubber member inside the first clamping frame. The telescopic end of the second hydraulic rod drives the second clamping plate to move up and down. The second clamping plate can be pressed down to quickly clamp the other end of the rubber member inside the second clamping frame. Rubber members of different sizes can be quickly fixed, thereby improving the working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a front cross-sectional structural schematic diagram of the utility model.

[0017] Explanation of the reference numerals in the figure: first tension mechanism 1, fixed frame 11, pressure sensor 12, first clamping frame 13, first hydraulic rod 131, first clamping plate 132, slider 14, movable frame 15, second clamping frame 151, second hydraulic rod 152, second clamping plate 153, linkage plate 154, movable groove 155, scale 156, limit track plate 157, threaded rod 16, motor 17, second tension mechanism 2, external fixed frame 3. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] See also Figure 1-2The utility model provides an embodiment: a tensile testing machine for automobile rubber parts, including an outer fixing frame 3, a first tensile mechanism 1 is installed inside the front half of the outer fixing frame 3, and a second tensile mechanism 2 is installed inside the rear half of the outer fixing frame 3. The first tensile mechanism 1 has the same structure as the second tensile mechanism 2 and is symmetrically distributed in the outer fixing frame 3. The first tensile mechanism 1 has the same structure as the second tensile mechanism 2. When in use, the test conditions of two different automobile rubber parts can be compared at the same time. The first tensile mechanism 1 includes a fixing frame 11, which is installed inside the left end of the outer fixing frame 3. A pressure sensor 12 is installed at the left end of the groove of the fixing frame 11. The right end of the pressure sensor 12 is fixedly connected to the left end of the first clamping frame 13, and the right end of the first clamping frame 13 The right wall of the groove that is not fitted to the fixing frame 11, the first clamping frame 13 is subjected to tension which will be transmitted to the pressure sensor 12, the pressure sensor 12 can detect the tension exerted on the first clamping frame 13, a first hydraulic rod 131 is installed inside the top wall of the first clamping frame 13, a first clamping plate 132 is installed at the bottom of the telescopic end of the first hydraulic rod 131, the telescopic end of the first hydraulic rod 131 can drive the first clamping plate 132 to rise and fall, the first clamping plate 132 can be pressed down to quickly clamp rubber parts of different sizes, the bottom of the first clamping frame 13 is slidably connected to the top side of the slider 14, the slider 14 is fixed inside the bottom end of the groove of the fixing frame 11, there is friction between the slider 14 and the first clamping frame 13, this friction should be subtracted when calculating the tension, the right end of the fixing frame 11 is connected to the screw The left end of the threaded rod 16 is fixedly connected, and the right end of the threaded rod 16 passes through the movable frame 15 and is connected to the inside of the right wall of the outer fixed frame 3. The right end of the outer fixed frame 3 is equipped with a motor 17, and the output end of the motor 17 is connected to the right end of the threaded rod 16 through a coupling. The rotation of the output end of the motor 17 will drive the threaded rod 16 to rotate, and the rotation of the threaded rod 16 can drive the movable frame 15 to move, and the movement of the movable frame 15 will drive the second clamping frame 151 to move together. The second clamping frame 151 is installed on the top of the movable frame 15, and the second hydraulic rod 152 is installed inside the top wall of the second clamping frame 151. The bottom of the telescopic end of the second hydraulic rod 152 is fixedly connected to the second clamping plate 153, and the telescopic end of the second hydraulic rod 152 can drive the second clamping plate 153 to rise and fall, and the second clamping plate 153 can be pressed down to move different The other end of the rubber piece of different sizes is clamped, the front side of the left end of the movable frame 15 is fixedly connected to the rear end of the linkage plate 154, the front end of the linkage plate 154 is connected to the inside of the movable groove 155 on the front wall of the outer fixed frame 3, and a scale 156 is arranged above the movable groove 155. The linkage plate 154 will move with the movable frame 15. After the linkage plate 154 moves, the scale 156 will point to different scales. The user can intuitively see the elongated distance of the rubber piece and the corresponding tension. When in use, the user drives the first clamping plate 132 to rise and fall through the telescopic end of the first hydraulic rod 131. The first clamping plate 132 can be pressed down to quickly clamp one end of the rubber piece inside the first clamping frame 13, and then the telescopic end of the second hydraulic rod 152 drives the second clamping plate 153 to rise and fall.The second clamping plate 153 is pressed down to clamp the other end of the rubber part inside the second clamping frame 151. The rotation of the output end of the motor 17 will drive the threaded rod 16 to rotate. The rotation of the threaded rod 16 can drive the movable frame 15 to move. The movable frame 15 moves to the right and pulls the rubber part to the right. The tension will be transmitted to the first clamping frame 13. The pressure sensor 12 can detect the tension on the first clamping frame 13. The device can calculate the stretching distance of the rubber part according to the number of turns of the threaded rod 16. At the same time, the linkage plate 154 will move with the movable frame 15. After the linkage plate 154 moves, the corresponding scale 156 will point to different scales. The user can intuitively see the elongated distance of the rubber part and the corresponding tension, which increases the convenience of use. The first tension mechanism 1 and the second tension mechanism 2 can test different rubber parts at the same time, which is convenient for comparing the test conditions of two different automobile rubber parts. It can also detect the same rubber part and increase the speed of rubber part detection.

[0021] The first clamping frame 13 and the second clamping frame 151 are provided with anti-skid grooves on the inner sides of the bottom ends, which can prevent the clamped objects from slipping out. The bottoms of the front and rear ends of the movable frame 15 are slidably connected to the sides of the limiting track plate 157. The limiting track plate 157 can limit the moving position of the movable frame 15. The bottom of the limiting track plate 157 is fixedly connected to the inner side of the bottom of the external fixed frame 3. The three-dimensional shape of the movable groove 155 is a rectangular structure, which is convenient for the linkage plate 154 to move inside it. The three-dimensional shape of the slider 14 is a rectangular structure. The first hydraulic rod 131 and the second hydraulic rod 152 are connected to the external hydraulic component, and power is provided by the external hydraulic component.

[0022] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An automobile rubber parts tensile testing machine, characterized in that: The invention comprises an external fixing frame (3), wherein a first pulling mechanism (1) is installed inside the front half of the external fixing frame (3), and a second pulling mechanism (2) is installed inside the rear half of the external fixing frame (3). The first pulling mechanism (1) and the second pulling mechanism (2) have the same structure and are symmetrically distributed inside the external fixing frame (3). The first pulling mechanism (1) comprises a fixing frame (11), wherein the fixing frame (11) is installed inside the left end of the external fixing frame (3), a pressure sensor (12) is installed at the left end of the groove of the fixing frame (11), and the right end of the pressure sensor (12) is fixedly connected to the left end of the first clamping frame (13). A first hydraulic rod (131) is installed inside the top wall of the first clamping frame (13), and a first clamping plate (132) is installed at the bottom of the telescopic end of the first hydraulic rod (131). The bottom of the first clamping frame (13) is slidably connected to the top side of a slider (14), and the slider (14) is fixed Inside the bottom end of the groove of the fixed frame (11), the right end of the fixed frame (11) is fixedly connected to the left end of the threaded rod (16), the right end of the threaded rod (16) passes through the movable frame (15) and is connected to the inside of the right wall of the outer fixed frame (3), the right end of the outer fixed frame (3) is equipped with a motor (17), the output end of the motor (17) is connected to the right end of the threaded rod (16) through a coupling, the top of the movable frame (15) is equipped with a second clamping frame (151), the top wall of the second clamping frame (151) is equipped with a second hydraulic rod (152), the bottom of the telescopic end of the second hydraulic rod (152) is fixedly connected to the second clamping plate (153), the front side of the left end of the movable frame (15) is fixedly connected to the rear end of the linkage plate (154), the front end of the linkage plate (154) is connected to the inside of the movable groove (155) of the front wall of the outer fixed frame (3), and a scale (156) is provided above the movable groove (155).

2. The automotive rubber tensile testing machine according to claim 1, characterized in that: Anti-slip grooves are provided on the inner sides of the bottom ends of the first clamping frame (13) and the second clamping frame (151).

3. The automotive rubber tensile testing machine according to claim 1, characterized in that: The bottoms of the front and rear ends of the movable frame (15) are slidably connected to the side of the limiting track plate (157), and the bottom of the limiting track plate (157) is fixedly connected to the inner side of the bottom of the outer fixing frame (3).

4. The automotive rubber tensile testing machine according to claim 1, characterized in that: The three-dimensional shape of the movable groove (155) is a rectangular parallelepiped structure.

5. The automobile rubber tensile testing machine according to claim 1, characterized in that: The three-dimensional shape of the slider (14) is a rectangular parallelepiped structure.

Images