Tearing force test bench

Abstract

The utility model discloses a tearing force test bench, and relates to the technical field of test benches. The test platform comprises a base, an operation screen is fixedly connected to the outer surface of the base, operation buttons are arranged on the outer surface of the operation screen, an electric control strip-shaped sliding rail is fixedly connected to the top of the test platform, a sliding rod is slidably connected to the outer surface of the electric control strip-shaped sliding rail, and a tearing instrument is fixedly connected to the outer surface of the sliding rod. A fixing device is arranged at the top of the test platform; the fixing device comprises a strip-shaped fixing block. The rotating force of the threaded rod driven by the three-phase asynchronous motor is matched with the strip-shaped fixing block, the three-phase asynchronous motor, the threaded rod, the movable block, the sliding groove, the L-shaped limiting rod, the connecting rod, the fixing plate, the sponge block and other components in the fixing device, so that the fixing effect of the fixing plate and the sponge block is achieved; therefore, the article does not deviate in the tearing test process, and the fixing effect is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of test benches, in particular to a tearing force test bench. Background Art

[0002] Tear test rigs typically use mechanical devices, utilizing electric motors or hydraulic systems to apply gradually increasing force until the material breaks. These rigs are equipped with sensors and data acquisition systems to accurately measure the material's breaking point and tear strength. Modern tear test rigs integrate advanced sensors and computer control systems, improving test accuracy and automation. Advances in data processing and analysis technologies are also resulting in more reliable and comprehensive test results.

[0003] According to a manual tension and torque test bench (publication number: CN 210128822 U), it includes a base, a vertical cylinder and a mounting shell, a lower control rod is installed on the inner side of the base, and the upper end of the lower control rod is connected to a bevel gear ring, and the bevel gear ring is installed on the upper end of the base, the vertical cylinder is fixed to the upper end of the bevel gear ring, and an upper control rod is installed on the inner wall of the vertical cylinder, and the upper control rod is installed inside the rod groove, and the rod groove is opened at the end of the movable cylinder, the mounting shell is installed on the upper end surface of the base, a middle control rod is installed inside the mounting shell, the upper end of the vertical rod is connected to a cross rod, and the support rod is installed inside the working groove, but the utility model is difficult to achieve the effect of fixing by cooperating with components such as the base and the vertical cylinder, and needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a tearing force test bench, which realizes the fixing function of the fixing plate and the sponge block by driving the rotational force of the threaded rod by a three-phase asynchronous motor and cooperating with the components such as the bar-shaped fixing block, the three-phase asynchronous motor, the threaded rod, the moving block, the slide groove, the L-shaped limit rod, the connecting rod, the fixing plate and the sponge block inside the fixing device, so that the objects will not be deflected during the tearing test, thereby achieving the fixing effect and solving the existing problems.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model discloses a tearing force test bench, comprising a base, an operating screen fixedly connected to the outer surface of the base, an operating button provided on the outer surface of the operating screen, an electrically controlled strip slide fixedly connected to the top of the test platform, a slide rod slidably connected to the outer surface of the electrically controlled strip slide, a tearing instrument fixedly connected to the outer surface of the slide rod, and a fixing device provided on the top of the test platform; the fixing device comprises a strip fixing block, the strip fixing block is fixedly connected to the outer surface of the test platform, the outer surface of the strip fixing block is fixedly connected to a three-phase asynchronous motor, the output shaft of the three-phase asynchronous motor is fixedly connected to a threaded rod, and a moving block is threadedly sleeved on the outer surface of the threaded rod. The above design is conducive to the three-phase asynchronous motor driving the threaded rod to rotate, and the threaded rod drives the moving block to move.

[0007] Furthermore, a slide groove is provided on the top of the test platform, and one end of an L-shaped limiting rod is fixedly connected to the outer surface of the moving block. The end of the L-shaped limiting rod away from the moving block is slidably connected in the slide groove. The above design is conducive to the moving block being limited by the L-shaped limiting rod.

[0008] Furthermore, the outer surface of the movable block is fixedly connected to a connecting rod, the outer surface of the connecting rod is fixedly connected to a fixed plate, and the outer surface of the fixed plate is fixedly connected to a sponge block. The above design is conducive to the fixed plate supporting the sponge block to work.

[0009] Furthermore, the number of the L-shaped limit rods is four, which are arranged in groups of two and are symmetrical with each other along the vertical center axis of the test platform. The number of the slide grooves is two, which are symmetrical with each other along the vertical center axis of the test platform. The slide grooves are located on the movement trajectory of the L-shaped limit rod. The above design is conducive to the movement of the L-shaped limit rod in the slide groove.

[0010] Furthermore, a cleaning device is provided on the outer surface of the test platform, and the cleaning device includes a placement box, which is fixedly connected to the outer surface of the test platform. A servo motor is fixedly connected to the outer surface of the placement box, and a reciprocating screw is fixedly connected to the output shaft of the servo motor. The above design is conducive to the servo motor driving the reciprocating screw to rotate.

[0011] Furthermore, a threaded block is threadedly sleeved on the outer surface of the reciprocating screw, and one end of an L-shaped limit strip is fixedly connected to the outer surface of the threaded block. The end of the L-shaped limit strip away from the threaded block is slidably connected to the inner wall of the placement box. The above design is conducive to the L-shaped limit strip to limit the threaded block.

[0012] Furthermore, the outer surface of the threaded block is fixedly connected to a strip telescopic rod, the telescopic end of the strip telescopic rod is fixedly connected to a cross bar, and the outer surface of the cross bar is fixedly connected to a telescopic brush plate. The above design is conducive to the cross bar driving the telescopic brush plate to move.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model uses a three-phase asynchronous motor to drive the rotational force of the threaded rod, which cooperates with the components such as the bar-shaped fixed block, three-phase asynchronous motor, threaded rod, moving block, slide groove, L-shaped limit rod, connecting rod, fixed plate and sponge block inside the fixing device to achieve the fixing function of the fixed plate and sponge block, so that the object will not shift during the tearing test, achieving a fixed effect.

[0015] 2. The utility model realizes the cleaning function of the telescopic brush plate and the cross bar by driving the rotational force of the reciprocating screw rod by the servo motor and cooperating with the components such as the placement box, servo motor, reciprocating screw rod, thread block, L-shaped limit strip, bar telescopic rod, cross bar and telescopic brush plate inside the cleaning device, so that there will be no debris on the test platform, avoiding accumulation and achieving the cleaning effect.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a schematic diagram of the three-dimensional overall structure of the utility model;

[0019] Figure 2 It is a side view of the three-dimensional overall structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the three-dimensional overall structure of the fixing device of the present invention;

[0021] Figure 4 This is a schematic diagram of the three-dimensional overall structure of the cleaning device of the present invention;

[0022] Figure 5 For the utility model Figure 4 Schematic diagram of the three-dimensional enlarged structure at point A.

[0023] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0024] 1. Base; 2. Operation screen; 3. Operation button; 4. Electric-controlled strip slide; 5. Slide rod; 6. Tearing instrument; 7. Fixing device; 71. Strip fixing block; 72. Three-phase asynchronous motor; 73. Threaded rod; 74. Moving block; 75. Slide groove; 76. L-shaped limit rod; 77. Connecting rod; 78. Fixing plate; 79. Sponge block; 8. Cleaning device; 81. Placement box; 82. Servo motor; 83. Reciprocating screw; 84. Threaded block; 85. L-shaped limit strip; 86. Strip telescopic rod; 87. Cross bar; 88. Telescopic brush plate; 9. Test platform. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-5 The utility model is a tearing force test bench, including a base 1, an operating screen 2 is fixedly connected to the outer surface of the base 1, and an operating button 3 is arranged on the surface of the operating screen 2. A test platform 9 is fixedly connected to the top of the base 1, and an electric control strip slide 4 is fixedly connected to the top of the test platform 9. The outer surface of the electric control strip slide 4 is slidably connected to a slide rod 5, and the outer surface of the slide rod 5 is fixedly connected to a tearing instrument 6. A fixing device 7 is provided on the top of the test platform 9; the fixing device 7 includes a strip fixing block 71, the strip fixing block 71 is fixedly connected to the outer surface of the test platform 9, and the outer surface of the strip fixing block 71 is fixedly connected to a three-phase asynchronous motor 72, the output shaft of the three-phase asynchronous motor 72 is fixedly connected to a threaded rod 73, and the outer surface of the threaded rod 73 is threadedly sleeved with a moving block 74. The above design is conducive to the three-phase asynchronous motor 72 driving the threaded rod 73 to rotate, and the threaded rod 73 drives the moving block 74 to move.

[0027] A slide groove 75 is provided on the top of the test platform 9, and one end of an L-shaped limiting rod 76 is fixedly connected to the outer surface of the moving block 74. The end of the L-shaped limiting rod 76 away from the moving block 74 is slidably connected in the slide groove 75. The above design is conducive to the moving block 74 being limited by the L-shaped limiting rod 76.

[0028] The outer surface of the moving block 74 is fixedly connected to a connecting rod 77, the outer surface of the connecting rod 77 is fixedly connected to a fixing plate 78, and the outer surface of the fixing plate 78 is fixedly connected to a sponge block 79. The above design is conducive to the fixing plate 78 supporting the sponge block 79 to work.

[0029] There are four L-shaped limit rods 76, which are arranged in groups of two and are symmetrical with each other along the vertical center axis of the test platform 9. There are two slide grooves 75, which are symmetrical with each other along the vertical center axis of the test platform 9. The slide grooves 75 are located on the movement trajectory of the L-shaped limit rod 76. The above design is conducive to the movement of the L-shaped limit rod 76 in the slide groove 75.

[0030] A cleaning device 8 is provided on the outer surface of the test platform 9, and the cleaning device 8 includes a placement box 81, which is fixedly connected to the outer surface of the test platform 9. A servo motor 82 is fixedly connected to the outer surface of the placement box 81, and a reciprocating screw 83 is fixedly connected to the output shaft of the servo motor 82. The above design is conducive to the servo motor 82 driving the reciprocating screw 83 to rotate.

[0031] The outer surface of the reciprocating screw 83 is threadedly sleeved with a threaded block 84, and the outer surface of the threaded block 84 is fixedly connected to one end of an L-shaped limit strip 85. The end of the L-shaped limit strip 85 away from the threaded block 84 is slidably connected to the inner wall of the placement box 81. The above design is conducive to the L-shaped limit strip 85 to limit the threaded block 84.

[0032] The outer surface of the threaded block 84 is fixedly connected to a strip telescopic rod 86, the telescopic end of the strip telescopic rod 86 is fixedly connected to a cross bar 87, and the outer surface of the cross bar 87 is fixedly connected to a telescopic brush plate 88. The above design is conducive to the cross bar 87 driving the telescopic brush plate 88 to move.

[0033] A specific application of this embodiment is as follows: the user places the article that needs to be tested for tearing force on the test platform 9, at this time the three-phase asynchronous motor 72 on the strip fixed block 71 starts to start, the three-phase asynchronous motor 72 starts to drive the threaded rod 73 to rotate, the threaded rod 73 rotates to drive the moving block 74 to move, the movement of the moving block 74 will be limited by the L-shaped limit rod 75 in the slide groove 76, the moving block 74 can only move, the movement of the moving block 74 will drive the connecting rod 77 to move, the movement of the connecting rod 77 will drive the fixed plate 78 to move, the movement of the fixed plate 78 will drive the sponge block 79 to move, the sponge block 79 will fix the article that needs to be tested for tearing force, at this time the electric control strip slide 4 moves downward, the electric control strip slide 4 moves downward to drive the slide rod 5 to move downward, the slide rod 5 moves downward to drive The tearing instrument 6 moves downward, and the downward movement of the tearing instrument 6 will perform a tearing test on the items that need to be subjected to tearing force, so that the items will not be offset during the tearing test; after the tearing test is over, there will be debris in the torn items, and at this time the servo motor 82 on the placement box 81 starts to start, and the servo motor 82 starts to drive the reciprocating screw 83 to rotate, and the rotation of the reciprocating screw 83 will drive the threaded block 84 to move, and the movement of the threaded block 84 will be limited by the L-shaped limit bar 85, and the movement of the threaded block 84 will drive the strip telescopic rod 86 to move, and the movement of the strip telescopic rod 86 will drive the cross bar 87 to move, and the movement of the cross bar 87 will drive the telescopic brush plate 88 to move, and the movement of the telescopic brush plate 88 will clean up the debris on the test platform 9, so that there will be no debris on the test platform 9 to avoid accumulation.

[0034] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0035] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A tearing force test bench, comprising a base (1), characterized in that: The outer surface of the base (1) is fixedly connected to an operating screen (2), the outer surface of the operating screen (2) is provided with an operating button (3), the top of the base (1) is fixedly connected to a test platform (9), the top of the test platform (9) is fixedly connected to an electric control strip slide rail (4), the outer surface of the electric control strip slide rail (4) is slidably connected to a slide rod (5), the outer surface of the slide rod (5) is fixedly connected to a tearing instrument (6), and the top of the test platform (9) is provided with a fixing device (7); The fixing device (7) includes a strip-shaped fixing block (71), the strip-shaped fixing block (71) is fixedly connected to the outer surface of the test platform (9), the outer surface of the strip-shaped fixing block (71) is fixedly connected to a three-phase asynchronous motor (72), the output shaft of the three-phase asynchronous motor (72) is fixedly connected to a threaded rod (73), and the outer surface of the threaded rod (73) is threadedly sleeved with a moving block (74).

2. A tearing force test bench according to claim 1, characterized in that: A slide groove (75) is provided on the top of the test platform (9), one end of an L-shaped limiting rod (76) is fixedly connected to the outer surface of the moving block (74), and the end of the L-shaped limiting rod (76) away from the moving block (74) is slidably connected in the slide groove (75).

3. A tearing force test bench according to claim 2, characterized in that: The outer surface of the moving block (74) is fixedly connected to a connecting rod (77), the outer surface of the connecting rod (77) is fixedly connected to a fixing plate (78), and the outer surface of the fixing plate (78) is fixedly connected to a sponge block (79).

4. A tearing force test bench according to claim 3, characterized in that: The number of the L-shaped limiting rods (76) is four, which are arranged in groups of two and are symmetrical to each other along the vertical center axis of the test platform (9). The number of the sliding grooves (75) is two, which are symmetrical to each other along the vertical center axis of the test platform (9). The sliding grooves (75) are located on the movement trajectory of the L-shaped limiting rods (76).

5. A tearing force test bench according to claim 4, characterized in that: The outer surface of the test platform (9) is provided with a cleaning device (8), and the cleaning device (8) includes a placement box (81), and the placement box (81) is fixedly connected to the outer surface of the test platform (9). The outer surface of the placement box (81) is fixedly connected to a servo motor (82), and the output shaft of the servo motor (82) is fixedly connected to a reciprocating screw rod (83).

6. A tearing force test bench according to claim 5, characterized in that: The outer surface of the reciprocating screw rod (83) is threadedly sleeved with a threaded block (84), and the outer surface of the threaded block (84) is fixedly connected to one end of an L-shaped limiting strip (85), and the end of the L-shaped limiting strip (85) away from the threaded block (84) is slidably connected to the inner wall of the placement box (81).

7. The tearing force test bench according to claim 6, characterized in that: The outer surface of the threaded block (84) is fixedly connected to a strip telescopic rod (86), the telescopic end of the strip telescopic rod (86) is fixedly connected to a cross bar (87), and the outer surface of the cross bar (87) is fixedly connected to a telescopic brush plate (88).

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