Experimental device for testing tensile property of material

Abstract

The utility model provides a material tensile property test experimental facility relates to tensile detection technical field, including base plate and moving plate, the one side of base plate upper surface is fixedly connected with the scale rod, base plate upper surface left side is fixedly connected with the support plate, the support plate one side face close to the moving plate is fixedly connected with the fixed hook, and the fixed hook is fixedly connected with the fixed hook. And a stretching mechanism for driving the moving plate to move is arranged on the outer surface of the base plate and comprises a supporting block fixedly connected to one side face of the base plate, and a first motor is fixedly installed on the upper surface of the supporting block. The transmission wheel is driven by external force to rotate, the transmission wheel drives the second threaded rod to rotate in the moving rod, the supporting position of the moving block is adjusted through the second threaded rod, the moving rod is adjusted through the moving block to drive the rotating angle of the rotating wheel, and the fixing mechanism is driven to be adjusted according to different material sizes. And the position fixing stability of the testing device on materials with different sizes is improved.

Description

Technical Field

[0001] The utility model relates to a stretching detection device, in particular to a material stretching performance test device, belonging to the technical field of stretching detection. Background Art

[0002] Materials need to be tested for tensile properties during processing. Tensile testing is to slowly pull a material sample under the action of an axial force until it breaks. The purpose of tensile testing is to determine the yield strength, tensile strength and elongation of the material. During the test, attention should be paid to observing the changes between tension and deformation, and determining the relationship curve between stress and strain to evaluate the strength grade of the steel bar.

[0003] After searching, a Chinese patent with publication number CN219590083U discloses a device for testing the tensile properties of photoelectric materials, which includes a workbench with a mounting slot on the left side. By arranging a screw rod, a moving part and a clamping assembly in the test device, the problems of poor fastening of the test device to the photoelectric material and inability to adjust the distance size of the device according to the length of the photoelectric material are solved, thereby making the use effect of the test device better.

[0004] Although the above scheme can adjust the distance size of the equipment according to the length of the photoelectric material, the test device in the above patent is not convenient for quickly adjusting the experimental fixture according to the size of different test materials. The above experimental device needs to replace the fixture when replacing the test materials of different sizes. The steps are cumbersome and it is easy to loosen during stretching. For this reason, we provide a material tensile performance test experimental device to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The purpose of the utility model is to provide a material tensile property test device in order to solve the above problems, so as to solve the problem that the test device in the prior art is not convenient for quickly adjusting the test fixture according to the sizes of different test materials.

[0007] (II) Technical solution

[0008] The utility model is realized through the following technical scheme: a tensile performance test device for a material comprises a base plate and a movable plate, and a scale rod is fixedly connected to one side of the upper surface of the base plate.

[0009] Preferably, a support plate is fixedly connected to the left side of the upper surface of the base plate, and a fixing hook is fixedly connected to a side of the support plate close to the movable plate.

[0010] The outer surface of the base plate is provided with a stretching mechanism for driving the movable plate to move.

[0011] Preferably, the stretching mechanism includes a support block fixedly connected to a side surface of the base plate, a first motor is fixedly mounted on the upper surface of the support block, a first threaded rod is fixedly connected to the output end of the first motor, a slider is threadedly connected to one side of the threaded outer circumference of the first threaded rod, a slide groove is provided on the upper surface of the base plate, the slider is slidably connected to the inside of the slide groove of the base plate, and the upper surface of the slider is fixedly connected to the bottom surface of the movable plate.

[0012] The upper surface of the movable plate is fixedly connected with a fixed plate, the interior of the fixed plate is rotatably connected with a rotating wheel, and the upper surface of the movable plate is provided with a rotating mechanism for driving the rotating wheel to rotate.

[0013] Preferably, the rotating mechanism includes a second motor fixedly mounted on the upper surface of the movable plate, the output end of the second motor is fixedly connected to a transmission rod, the end of the transmission rod away from the second motor is rotatably connected to a connecting rod, the top of the connecting rod is hinged with a moving block, one side of the outer circumferential surface of the rotating wheel is fixedly connected to the moving rod, a sliding groove is provided inside the moving rod, and the moving block is slidably connected inside the sliding groove of the moving rod.

[0014] Preferably, a sliding groove is provided on one side of the fixed plate close to the moving rod, and the sliding groove of the fixed plate is slidably connected to the outer surface of the moving rod close to the rotating wheel, and a second threaded rod is rotatably connected inside the sliding groove of the moving rod, and the threaded side of the outer circumferential surface of the second threaded rod is threadedly connected to the threaded side of the inner surface of the moving block, and the end of the second threaded rod away from the rotating wheel passes through the moving rod and is fixedly connected to the transmission wheel.

[0015] Preferably, five slide grooves are provided on one side of the outer surface of the rotating wheel, and the inner side wall of each slide groove of the rotating wheel is slidably connected with a connecting block, the outer surfaces of the five connecting blocks are fixedly connected to the limiting plates, and five arc-shaped slide grooves are provided on the side of the fixed plate close to the supporting plate, and the five limiting plates are fixedly connected to the limiting shafts on the side away from the connecting blocks, and the outer surfaces of the five limiting shafts are respectively slidably connected to the five arc-shaped slide grooves of the fixed plate, and the limiting plate is slidably connected between the right side surface of the rotating wheel and the fixed plate.

[0016] A fixing mechanism for positioning the detection material is arranged between the right side surface of the rotating wheel and the left side surface of the fixing plate.

[0017] The utility model provides a material tensile performance test device, which has the following beneficial effects:

[0018] 1. The utility model drives the transmission wheel to rotate through external force, and the transmission wheel drives the second threaded rod to rotate inside the moving rod. The second threaded rod is used to adjust the support position of the moving block, and the moving block is used to adjust the rotation angle of the rotating wheel driven by the moving rod, so as to drive the fixing mechanism to adjust according to different material sizes, thereby improving the position fixing stability of the test device for materials of different sizes.

[0019] 2. The utility model drives the transmission rod to rotate through the second motor, the transmission rod drives the moving rod to move through the connecting rod, the moving rod drives the rotating wheel to rotate inside the fixed plate, and the rotating wheel drives the limiting plate to rotate, so as to use multiple limiting plates to improve the position fixation stability of the detection material during detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the stretching mechanism of the utility model;

[0022] Figure 3 It is a three-dimensional structural schematic diagram of the rotating mechanism of the utility model;

[0023] Figure 4 It is a three-dimensional structural schematic diagram of the fixing mechanism of the utility model.

[0024] Description of Reference Numerals

[0025] 1. Base plate; 2. Moving plate; 3. Scale rod; 4. Support plate; 5. Fixing hook;

[0026] 6. stretching mechanism; 61. support block; 62. first motor; 63. first threaded rod; 64. slider;

[0027] 7. Rotating mechanism; 71. Second motor; 72. Transmission rod; 73. Connecting rod; 74. Moving block; 75. Second threaded rod; 76. Transmission wheel; 77. Moving rod;

[0028] 8. Rotating wheel; 9. Fixed plate;

[0029] 10. Fixing mechanism; 101. Connecting block; 102. Limiting plate; 103. Limiting shaft. DETAILED DESCRIPTION

[0030] The embodiment of the utility model provides a tensile performance test device for a material.

[0031] Please refer to Figure 1 and Figure 2 A tensile property test device for a material comprises a base plate 1 and a movable plate 2, wherein a scale rod 3 is fixedly connected to one side of the upper surface of the base plate 1.

[0032] A support plate 4 is fixedly connected to the left side of the upper surface of the base plate 1 , and a fixing hook 5 is fixedly connected to a side of the support plate 4 close to the movable plate 2 .

[0033] A stretching mechanism 6 is arranged inside the base plate 1 to drive the moving plate 2 to slide.

[0034] Please refer to Figure 2 The stretching mechanism 6 includes a support block 61 fixedly connected to a side surface of the base plate 1, and a first motor 62 is fixedly installed on the upper surface of the support block 61. The first motor 62 can be used as a power input source. The model is not specifically limited in this application, and it can also be replaced by other power drive structures. The output end of the first motor 62 is fixedly connected to a first threaded rod 63, and the first threaded rod 63 rotates horizontally inside the base plate 1. A slider 64 is threadedly connected to one side of the threaded outer circumferential surface of the first threaded rod 63. A slide groove is provided on the upper surface of the base plate 1. The slider 64 is slidably connected to the inside of the slide groove of the base plate 1, and the upper surface of the slider 64 is fixedly connected to the bottom surface of the movable plate 2.

[0035] In the above scheme, after the test material is fixed, the first motor 62 is used to drive the first threaded rod 63 to rotate, and the first threaded rod 63 drives the movable plate 2 to move horizontally through the slider 64. The material is stretched by the movable plate 2 for testing, and data statistics of the test material are performed through the scale rod 3 on the upper surface of the base plate 1.

[0036] Please refer to Figure 3 and Figure 4 A fixed plate 9 is fixedly connected to the upper surface of the movable plate 2, a rotating wheel 8 is rotatably connected inside the fixed plate 9, and a rotating mechanism 7 for driving the rotating wheel 8 to rotate is provided on the upper surface of the movable plate 2.

[0037] Please refer to Figure 3 The rotating mechanism 7 includes a second motor 71 fixedly mounted on the upper surface of the movable plate 2. The second motor 71 can be used as a power input source. The model of the second motor 71 is not specifically limited in the present application and it can also be replaced by other power drive structures. The output end of the second motor 71 is fixedly connected to a transmission rod 72. The end of the transmission rod 72 away from the second motor 71 is rotatably connected to a connecting rod 73. The top of the connecting rod 73 is hinged with a moving block 74. A moving rod 77 is fixedly connected to one side of the outer circumferential surface of the rotating wheel 8. A slide groove is provided inside the moving rod 77, and the moving block 74 is slidably connected inside the slide groove of the moving rod 77.

[0038] In the above scheme, one end of the test material is first placed inside the fixed plate 9, and then the second motor 71 is used to drive the transmission rod 72 to rotate, the transmission rod 72 drives the moving block 74 to move through the connecting rod 73, and the moving block 74 drives the rotating wheel 8 to rotate inside the fixed plate 9 through the moving rod 77, and the rotating wheel 8 drives the fixing mechanism 10 to fix the material.

[0039] A sliding groove is provided on the side of the fixed plate 9 close to the moving rod 77. The sliding groove of the fixed plate 9 is slidably connected to the outer surface of the moving rod 77 close to the rotating wheel 8. A second threaded rod 75 is rotatably connected inside the sliding groove of the moving rod 77. The threaded side of the outer circumferential surface of the second threaded rod 75 is threadedly connected to the threaded side of the inner surface of the moving block 74. The end of the second threaded rod 75 away from the rotating wheel 8 passes through the moving rod 77 and is fixedly connected to a transmission wheel 76. The transmission wheel 76 is driven to rotate by external force. The transmission wheel 76 adjusts the supporting position of the moving block 74 inside the moving rod 77 through the second threaded rod 75 to adjust the operating angle of the rotating wheel 8.

[0040] In the above scheme, the transmission wheel 76 is driven to rotate by external force, and the transmission wheel 76 drives the second threaded rod 75 to rotate inside the moving rod 77. The second threaded rod 75 is used to adjust the support position of the moving block 74, and the moving block 74 is used to adjust the rotation angle of the rotating wheel 8 by the moving rod 77, so that the fixing mechanism 10 can adjust the sliding distance according to different material sizes, so that materials of different sizes can be fixed.

[0041] A fixing mechanism 10 for fixing the test material is provided between the right side surface of the rotating wheel 8 and the left side surface of the fixing plate 9 .

[0042] Please refer to Figure 4 Five slide grooves are provided on one side of the outer surface of the rotating wheel 8, and the inner side wall of each slide groove of the rotating wheel 8 is slidably connected with a connecting block 101. The outer surfaces of the five connecting blocks 101 are fixedly connected to the limiting plate 102. Five arc-shaped slide grooves are provided on the side of the fixed plate 9 close to the supporting plate 4. Multiple limiting plates 102 are used to increase the contact area when the test material is fixed. The sides of the five limiting plates 102 away from the connecting blocks 101 are fixedly connected to the limiting shafts 103. The outer surfaces of the five limiting shafts 103 are respectively slidably connected to the inside of the five arc-shaped slide grooves of the fixed plate 9, and the limiting plate 102 is slidably connected between the right side surface of the rotating wheel 8 and the fixed plate 9.

[0043] In the above scheme, the angle difference between the five slide grooves inside the rotating wheel 8 and the five arc-shaped slide grooves inside the fixed plate 9 is used to drive the limiting plate 102 to move through the connecting block 101 and the limiting shaft 103, so as to fix one end of the material to be tested inside the fixed plate 9, and multiple limiting plates 102 are used to increase the contact area when the material is fixed, and increase the friction force inside the fixing mechanism 10, so as to improve the fixing stability of the test device on the test material.

[0044] When the utility model is used: firstly, the material to be tested is moved and placed on one end of the fixed hook 5, and then the other end of the test material is placed inside the fixed plate 9, and the stretching mechanism 6 drives the moving plate 2 to slide to perform stretching test on the material;

[0045] When fixing the material, the angle difference between the five slide grooves inside the rotating wheel 8 and the five arc-shaped slide grooves inside the fixing plate 9 is used to drive the limiting plate 102 to move through the connecting block 101 and the limiting shaft 103, so as to fix one end of the material to be tested inside the fixing plate 9. The contact area of ​​the material when being fixed is increased by using multiple limiting plates 102, and the friction force inside the fixing mechanism 10 is increased, so as to improve the fixing stability of the test device on the test material;

[0046] When the fixing mechanism 10 is adjusted according to materials of different sizes, the transmission wheel 76 is driven to rotate by external force, and the transmission wheel 76 drives the second threaded rod 75 to rotate inside the moving rod 77, and the second threaded rod 75 is used to adjust the support position of the moving block 74, and the moving block 74 is used to adjust the rotation angle of the moving rod 77 to drive the rotating wheel 8, so that the fixing mechanism 10 can adjust the sliding distance according to the different material sizes, so that materials of different sizes can be fixed;

[0047] After the test material is fixed, the first motor 62 is used to drive the first threaded rod 63 to rotate, and the first threaded rod 63 drives the movable plate 2 to move horizontally through the slider 64. The material is stretched by the movable plate 2 for testing, and data statistics of the test material are performed through the scale rod 3 on the upper surface of the base plate 1.

[0048] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A material tensile property test device, comprising a base plate (1) and a movable plate (2), characterized in that: A scale rod (3) is fixedly connected to one side of the upper surface of the base plate (1), and a stretching mechanism (6) for driving the movable plate (2) to move is provided on the outer surface of the base plate (1); The upper surface of the movable plate (2) is fixedly connected to a fixed plate (9), the interior of the fixed plate (9) is rotatably connected to a rotating wheel (8), the upper surface of the movable plate (2) is provided with a rotating mechanism (7) for driving the rotating wheel (8) to rotate, and a fixing mechanism (10) for positioning the test material is provided between the right side surface of the rotating wheel (8) and the left side surface of the fixed plate (9).

2. The tensile properties test device of a material according to claim 1, characterized in that: A support plate (4) is fixedly connected to the left side of the upper surface of the base plate (1), and a fixing hook (5) is fixedly connected to a side of the support plate (4) close to the movable plate (2).

3. The tensile properties test device of a material according to claim 1, characterized in that: The stretching mechanism (6) comprises a support block (61) fixedly connected to a side surface of a base plate (1); a first motor (62) is fixedly mounted on the upper surface of the support block (61); a first threaded rod (63) is fixedly connected to the output end of the first motor (62); a slider (64) is threadedly connected to one side of the threaded outer circumferential surface of the first threaded rod (63); a slide groove is provided on the upper surface of the base plate (1); the slider (64) is slidably connected inside the slide groove of the base plate (1); and the upper surface of the slider (64) is fixedly connected to the bottom surface of the movable plate (2).

4. The tensile properties test device of a material according to claim 1, characterized in that: The rotating mechanism (7) comprises a second motor (71) fixedly mounted on the upper surface of the movable plate (2); the output end of the second motor (71) is fixedly connected to a transmission rod (72); the end of the transmission rod (72) away from the second motor (71) is rotatably connected to a connecting rod (73); the top end of the connecting rod (73) is hinged with a moving block (74); one side of the outer circumferential surface of the rotating wheel (8) is fixedly connected to a moving rod (77); a sliding groove is provided inside the moving rod (77); and the moving block (74) is slidably connected inside the sliding groove of the moving rod (77).

5. The tensile properties test device of a material according to claim 4, characterized in that: A sliding groove is provided on one side of the fixed plate (9) close to the moving rod (77); the sliding groove of the fixed plate (9) is slidably connected to the outer surface of the moving rod (77) close to the rotating wheel (8); a second threaded rod (75) is rotatably connected inside the sliding groove of the moving rod (77); a threaded side of the outer circumferential surface of the second threaded rod (75) is threadedly connected to a threaded side of the inner surface of the moving block (74); an end of the second threaded rod (75) away from the rotating wheel (8) passes through the moving rod (77) and is fixedly connected to a transmission wheel (76).

6. The tensile properties test device of a material according to claim 1, characterized in that: One side of the outer surface of the rotating wheel (8) is provided with five sliding grooves, the inner side wall of each sliding groove of the rotating wheel (8) is slidably connected to a connecting block (101), the outer surfaces of the five connecting blocks (101) are fixedly connected to a limiting plate (102), the right side of the fixed plate (9) is provided with five arc-shaped sliding grooves, the side surfaces of the five limiting plates (102) away from the connecting block (101) are fixedly connected to a limiting shaft (103), the outer surfaces of the five limiting shafts (103) are respectively slidably connected to the inside of the five arc-shaped sliding grooves of the fixed plate (9), and the limiting plate (102) is slidably connected between the right side of the rotating wheel (8) and the fixed plate (9).

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