Toughness testing apparatus and testing device

Abstract

The present application provides a kind of tenacity test mechanism and testing device, it is related to performance testing device technical field, to solve the technical problem that the tenacity of line is detected in the prior art by manual mode, there is great labor intensity, data precision is poor.The mechanism includes first mobile part, second mobile part, mobile drive structure, dial reversing structure, mobile drive structure is connected with first mobile part and / or second mobile part, dial reversing structure is used to dial the measured object clamped on first mobile part and second mobile part, to facilitate the bending direction of measured object when the interval of first mobile part and second mobile part is reduced under the driving of mobile drive structure.The tenacity test mechanism is used instead of manual operation, to avoid the problem of great labor intensity and low efficiency of manual operation, the interference of angle difference factor caused by the fact that the force applied by human arm to line sample is not the same each time can be eliminated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of performance testing device, in particular to a kind of tenacity testing mechanism and testing device for line. BACKGROUND

[0002] When line is inspected into factory, the traditional test method is artificial detection, that is, fold line in the same position by hand to about 90 °, then fold again to about 90 °, after folding 10 times, if line does not appear cracking, it is qualified.

[0003] There are many interference factors in the process of artificial detection of line, which affect the accuracy of experimental data results:

[0004] 1, the labor intensity of artificial mechanical back-and-forth operation 10 times is relatively large, and the output of data is not quantitative.

[0005] 2, manual operation is difficult to quantify the output of frequency and running distance, and cannot guarantee the consistency of test. SUMMARY

[0006] The present application provides a kind of tenacity testing mechanism and testing device, to solve the technical problems of labor intensity and poor data accuracy in the prior art by using artificial method to detect the tenacity of line 。 The preferred technical solutions in many technical solutions provided by the present application can produce many technical effects, which are described in detail below.

[0007] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0008] The tenacity testing mechanism provided by the present application comprises a first moving part, a second moving part, a moving driving structure and a dialing reversing structure, wherein the moving driving structure is connected with the first moving part and / or the second moving part, and the dialing reversing structure is used to dial the measured object clamped on the first moving part and the second moving part, so as to guide the bending direction of the measured object when the distance between the first moving part and the second moving part is reduced under the driving of the moving driving structure.

[0009] Further, the dialing reversing structure comprises a position adjusting device and a dialing rod for dialing the measured object, the dialing rod is arranged between the first moving part and the second moving part, and the dialing rod is connected with the position adjusting device, and the position of the dialing rod can be adjusted by the position adjusting device.

[0010] Further, the position adjusting device comprises a lifting device and a rotating driving device, the lifting device is connected with the rotating driving device and can drive the rotating driving device to move up and down, the rotating driving device is connected with the poking rod, and the rotating driving device can drive the poking rod to rotate.

[0011] Further, the position adjusting device further comprises a support frame and a connecting plate, the lifting device is supported on the support frame, the telescopic shaft of the lifting device is connected with the connecting plate, the rotating driving device passes through the support frame and is connected with the connecting plate, and the rotating shaft of the rotating driving device passes through the connecting plate and is connected with the poking rod.

[0012] Further, the poking rod comprises a horizontal part and a vertical part, and the two ends of the horizontal part are connected with the vertical part and the position adjusting device respectively.

[0013] Further, the moving driving structure is a positive and negative screw rod device, and the moving driving structure can drive the first moving part and the second moving part to move towards each other or away from each other at the same time.

[0014] Further, the moving driving structure comprises a driving motor, a guide structure, a positive and negative screw rod and a moving slider arranged on the positive and negative screw rod, the driving motor is connected with the positive and negative screw rod, the two moving sliders on the positive and negative screw rod are connected with the first moving part and the second moving part respectively, and the first moving part and the second moving part are connected with the slider of the guide structure.

[0015] Further, the first moving part and the second moving part are the same in structure, and the first moving part and the second moving part each comprise a clamping jaw device for clamping a to-be-tested object.

[0016] Further, the first moving part comprises a bottom plate and a support plate, the support plate is arranged on the bottom plate, the support plate is provided with an opening, the clamping jaw device is arranged on the bottom plate, and the clamping jaw of the clamping jaw device extends out of the support plate through the opening.

[0017] The present application provides a test device, which comprises a shell, a control device and the toughness testing mechanism according to any one of the claims, the control device and the toughness testing mechanism are installed on the shell, the toughness testing mechanism is connected with the control device, the top of the shell is provided with a feeding opening, and the feeding opening is matched with the toughness testing mechanism.

[0018] Further, the shell is further provided with a man-machine interaction display screen, and the man-machine interaction display screen is connected with the control device.

[0019] This invention provides the following technical effects: When testing the toughness of a wire bundle sample using the toughness testing mechanism provided by this invention, the distance between the first and second moving parts is first adjusted. Then, the two ends of the wire bundle are fixed to the first and second moving parts respectively, at which point the wire bundle is horizontally straightened. Then, the moving drive structure drives the first and / or second moving parts to move, reducing the distance between them. Simultaneously, the reversing structure is activated, causing the wire bundle to bend to one side. The toughness testing mechanism can fold the wire bundle to the test angle. Then, the first and second moving parts are reset and brought closer together. The reversing structure is then activated again, causing the wire bundle to bend to the opposite side. Through the above operations, the wire bundle can be repeatedly bent. The process can be repeated to test the number of bends required, thus achieving the testing of the wire bundle's toughness performance. Using a toughness testing mechanism replaces manual operation, avoiding the problems of high labor intensity and low efficiency associated with manual operation, and eliminating interference from angle differences caused by varying force applied to the wire bundle sample each time. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a front view schematic diagram of the testing device provided in an embodiment of the present invention;

[0022] Figure 2 This is a left-side view of the testing device provided in an embodiment of the present invention;

[0023] Figure 3 This is a schematic diagram of the toughness testing mechanism provided in an embodiment of the present invention;

[0024] Figure 4 This is a top view schematic diagram of the toughness testing mechanism provided in an embodiment of the present invention;

[0025] Figure 5 This is a schematic diagram of the toggle reversing structure provided in an embodiment of the present invention.

[0026] 1, first moving part; 101, bottom plate; 102, support plate; 2, second moving part; 3, clamping jaw device; 4, push rod; 401, horizontal part; 402, vertical part; 5, lifting device; 6, rotating driving device; 7, support frame body; 8, connecting plate; 9, driving motor; 10, guide structure; 11, forward and reverse screw; 12, moving slider; 13, shell; 14, man-machine interaction display screen; 15, fan; 16, button box; 17, discharging port. DETAILED DESCRIPTION

[0027] In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described in detail below. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0028] The present application provides a toughness testing mechanism, comprising a first moving part 1, a second moving part 2, a moving driving structure and a push reversing structure, wherein the moving driving structure is connected with the first moving part 1 and / or the second moving part 2, preferably the first moving part 1 and the second moving part 2 are both connected with the moving driving structure, the moving driving structure drives the first moving part 1 and the second moving part 2 to move in a straight line direction, and the push reversing structure is used to push the to-be-tested object clamped on the first moving part 1 and the second moving part 2, so as to guide the bending direction of the to-be-tested object when the distance between the first moving part 1 and the second moving part 2 is reduced under the driving of the moving driving structure.

[0029] The to-be-tested object can be a wire, in use, the distance between the first moving part 1 and the second moving part 2 is adjusted, then the two ends of the wire are fixed on the first moving part 1 and the second moving part 2 respectively, at this time the wire is in a horizontal straight state, then the first moving part 1 and / or the second moving part 2 is moved by the moving driving structure, so that the first moving part 1 and the second moving part 2 are close to each other (the distance is reduced), at the same time, the push reversing structure acts, the push reversing structure can push the wire, so that the wire bends to one side, the toughness testing mechanism can realize that the wire is folded to a test angle. Then the first moving part 1 and the second moving part 2 are reset, the first moving part 1 and the second moving part 2 are close to each other again, at this time the push reversing structure acts, so that the wire bends to the opposite side. Through the above operation, the wire can be repeatedly bent. According to the need to detect the number of bends, the above process can be repeatedly operated to realize the detection of the toughness performance of the wire.

[0030] The toughness testing mechanism is adopted instead of manual operation, which avoids the problems of high labor intensity and low efficiency of manual operation, and can eliminate the interference of the arms of the person on the angle difference caused by the different forces applied to the wire sample each time.

[0031] Regarding the toggle reversing structure, the specific structure can be as follows: the toggle reversing structure comprises a position adjusting device and a toggle lever 4 for toggling the object to be measured, the toggle lever 4 is arranged between the first moving part 1 and the second moving part 2, the toggle lever 4 is connected with the position adjusting device, and the position of the toggle lever 4 can be adjusted through the position adjusting device. For example, when the first moving part 1 and the second moving part 2 are close, at this time, the position adjusting device drives the toggle lever 4 to toggle the wire to make the wire bend in the direction of the left side. The first moving part 1 and the second moving part 2 are reset, and the first moving part 1 and the second moving part 2 are close again, at this time, the position adjusting device drives the toggle lever 4 to toggle the wire to make the wire bend in the direction of the right side.

[0032] Regarding the position adjusting device, the specific structure is preferably as follows: the position adjusting device comprises a lifting device 5 and a rotating driving device 6, the lifting device 5 is connected with the rotating driving device 6 and the lifting device 5 can drive the rotating driving device 6 to move up and down, the rotating driving device 6 is connected with the toggle lever 4, and the rotating driving device 6 can drive the toggle lever 4 to rotate.

[0033] The lifting device 5 drives the rotating driving device 6 and the toggle lever 4 to move up and down, and the rotating driving device 6 can drive the toggle lever 4 to rotate. When the first moving part 1 and the second moving part 2 are close, the rotating driving device 6 drives the toggle lever 4 to rotate to toggle the wire, so that the wire bends in the direction of one side, and then the lifting device 5 drives the rotating driving device 6 and the toggle lever 4 to move downward, at this time, the first moving part 1 and the second moving part 2 continue to close to fold the wire; the first moving part 1 and the second moving part 2 are reset, the lifting device 5 drives the rotating driving device 6 and the toggle lever 4 to move upward, the first moving part 1 and the second moving part 2 are close again, at this time, the rotating driving device 6 drives the toggle lever 4 to rotate to toggle the wire, so that the wire bends in the direction of the other side.

[0034] The lifting device 5 is preferably a pneumatic cylinder, and the rotating driving device 6 is an electric motor. Regarding the position connection of the lifting device 5 and the driving device 6, the preferred structure is as follows, please refer to Figure 3 The position adjusting device further comprises a support frame body 7 and a connecting plate 8, the lifting device 5 is supported on the support frame body 7, the telescopic shaft of the lifting device 5 is connected with the connecting plate 8 through a floating joint, the rotating driving device 6 is fixedly connected with the connecting plate 8 through the support frame body 7, and the rotating shaft of the rotating driving device 6 is connected with the toggle lever 4 through the connecting plate 8. The lifting device 5 drives the connecting plate 8 and the rotating driving device 6 to move up and down, and the rotating driving device 6 drives the toggle lever 4 to rotate.

[0035] Regarding the toggle lever 4, please refer to Figure 3 and Figure 5The poking rod 4 comprises a horizontal part 401 and a vertical part 402, two ends of the horizontal part 401 are connected with the vertical part 402 and the rotating driving device 6 respectively. When the rotating driving device 6 rotates, the vertical part 402 can contact the wire and change the bending direction of the wire by poking the wire.

[0036] When the first moving part 1 and the second moving part 2 approach, the vertical part 402 is located at the left side of the wire, the rotating driving device 6 drives the poking rod 4 to rotate to make the vertical part 402 poke the wire to the right, so that the wire bends to the right, then the lifting device 5 drives the rotating driving device 6 and the poking rod 4 to move downward, at this time, the first moving part 1 and the second moving part 2 continue to approach to bend the wire, the first moving part 1 and the second moving part 2 reset, the lifting device 5 drives the rotating driving device 6 and the poking rod 4 to move upward, at this time, the vertical part 402 is located at the right side of the wire, the first moving part 1 and the second moving part 2 approach again, at this time, the rotating driving device 6 drives the poking rod 4 to rotate to make the vertical part 402 poke the wire to the left, so that the wire bends to the other side.

[0037] Regarding the moving driving structure, the moving driving structure is preferably a positive and negative screw rod 11 device, the moving driving structure can drive the first moving part 1 and the second moving part 2 to move towards each other or away from each other at the same time. Specifically, referring to Figure 3 and Figure 4 , the moving driving structure comprises a driving motor 9, a guide structure 10, a positive and negative screw rod 11 and a moving slider 12 arranged on the positive and negative screw rod 11, the driving motor 9 is connected with the positive and negative screw rod 11, two moving sliders 12 on the positive and negative screw rod 11 are connected with the first moving part 1 and the second moving part 2 respectively, and the first moving part 1 and the second moving part 2 are connected with the slider of the guide structure 10. Through the positive and negative rotating action of the driving motor 9, the first moving part 1 and the second moving part 2 can move towards each other or away from each other at the same time.

[0038] The first moving part 1 and the second moving part 2 each comprise a clamping jaw device 3 for clamping a to-be-tested object. Referring to Figure 3 , the clamping jaw device 3 is shown, regarding the clamping jaw device 3, the prior art can be adopted, and the present application will not be described in detail.

[0039] Regarding the first moving part 1 and the second moving part 2, the structures of the two are preferably the same. Specifically, referring to Figure 3The first moving part 1 includes a base plate 101 and a support plate 102. The support plate 102 is disposed on the base plate 101 and has an opening. The gripper device 3 is supported on the base plate 101, and the gripper of the gripper device 3 extends out of the support plate 102 through the opening. The middle position of the bottom of the base plate 101 is connected to the moving slider on the positive and negative lead screws 11, and the two sides of the bottom of the base 101 are respectively connected to the sliders of the corresponding guide structures 10. For more information on the support plate 102, see [link to relevant documentation]. Figure 3 The support plate 102 is U-shaped, and the gripper device 3 passes through the horizontal plate of the support plate 102.

[0040] A testing device includes a housing 13, a control device, and a toughness testing mechanism. The control device and the toughness testing mechanism are installed in the housing 13. The toughness testing mechanism is connected to the control device. A discharge port 17 is provided on the top of the housing 13. The discharge port 17 cooperates with the toughness testing mechanism.

[0041] See Figure 1 and Figure 2 The diagram illustrates the testing apparatus. The control device and the toughness testing mechanism are installed within the housing 13, with the control device located below the toughness testing mechanism. A discharge port 17 is provided at the top of the housing 13, with the toughness testing mechanism directly opposite the discharge port 10. The wire-bound sample can be clamped onto the gripper devices 3 of the first moving part 1 and the second moving part 2 through the discharge port 17. The moving drive structure, the toggle reversing structure, and the gripper devices 3 of the toughness testing mechanism are all electrically connected to the control device. The control device controls the movement of the moving drive structure, the toggle reversing structure, and the gripper devices 3. Using the testing apparatus provided by this invention replaces manual testing, achieving precise and intelligent management of experimental data, and ensuring the accuracy and rigor of the inspection.

[0042] The housing 13 is also equipped with a human-machine interface display screen 14 and a button box 16, both of which are connected to the control device. Various test parameters can be set through the human-machine interface. Pressing the start button on the button box 16 automatically initiates the test, breaking away from traditional testing methods, achieving automated testing, and improving the accuracy and efficiency of the experiment.

[0043] The number of test runs can be set by the human-computer interaction display screen 14 (one bend of the wire-tied sample to the left and one bend to the right counts as one run), which effectively controls the accuracy of the number of test runs. The number of test runs is output on the display screen, replacing manual data statistics and analysis, and ensuring the accuracy and rigor of the number of test runs.

[0044] The above merely illustrates the specific embodiments of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A toughness testing mechanism, characterized in that, It includes a first moving part (1), a second moving part (2), a moving drive structure, and a toggle reversing structure, wherein, The moving drive structure is connected to the first moving part (1) and / or the second moving part (2). The toggle reversing structure is used to toggle the object to be tested clamped on the first moving part (1) and the second moving part (2) so that when the distance between the first moving part (1) and the second moving part (2) decreases under the drive of the moving drive structure, it guides the bending direction of the object to be tested. The toggle reversing structure includes a position adjustment device and a toggle lever (4) for toggle the object to be tested. The toggle lever (4) is disposed between the first moving part (1) and the second moving part (2). The toggle lever (4) is connected to the position adjustment device, and the position of the toggle lever (4) can be adjusted by the position adjustment device. The position adjustment device includes a lifting device (5) and a rotation drive device (6). The lifting device (5) is connected to the rotation drive device (6) and the lifting device (5) can drive the rotation drive device (6) to move up and down. The rotation drive device (6) is connected to the lever (4) and the rotation drive device (6) can drive the lever (4) to rotate.

2. The toughness testing mechanism according to claim 1, characterized in that, The position adjustment device also includes a support frame (7) and a connecting plate (8). The lifting device (5) is supported on the support frame (7). The telescopic shaft of the lifting device (5) is connected to the connecting plate (8). The rotation drive device (6) passes through the support frame (7) and is connected to the connecting plate (8). The rotating shaft of the rotation drive device (6) passes through the connecting plate (8) and is connected to the lever (4).

3. The toughness testing mechanism according to claim 1, characterized in that, The lever (4) includes a horizontal part (401) and a vertical part (402), and the two ends of the horizontal part (401) are respectively connected to the vertical part (402) and the position adjustment device.

4. The toughness testing mechanism according to claim 1, characterized in that, The moving drive structure is a positive and negative lead screw (11) device, which can drive the first moving part (1) and the second moving part (2) to move towards each other or away from each other at the same time.

5. The toughness testing mechanism according to claim 4, characterized in that, The moving drive structure includes a drive motor (9), a guide structure (10), a positive and negative lead screw (11), and a moving slider (12) disposed on the positive and negative lead screw (11). The drive motor (9) is connected to the positive and negative lead screw (11). The two moving sliders (12) on the positive and negative lead screw (11) are respectively connected to the first moving part (1) and the second moving part (2). The sliders of the guide structure (10) are connected to both the first moving part (1) and the second moving part (2).

6. The toughness testing mechanism according to claim 1, characterized in that, The first moving part (1) and the second moving part (2) have the same structure, and both the first moving part (1) and the second moving part (2) include a gripper device (3) for clamping the object to be tested.

7. The toughness testing mechanism according to claim 6, characterized in that, The first moving part (1) further includes a base plate (101) and a support plate (102). The support plate (102) is disposed on the base plate (101) and has an opening. The gripper device (3) is disposed on the base plate (101) and the gripper of the gripper device (3) extends out of the support plate (102) through the opening.

8. A testing device, characterized in that, The device includes a housing (13), a control device, and a toughness testing mechanism according to any one of claims 1-7. The control device and the toughness testing mechanism are installed on the housing (13). The toughness testing mechanism is connected to the control device. A discharge port (17) is provided on the top of the housing (13). The discharge port (17) cooperates with the toughness testing mechanism.

9. The testing apparatus according to claim 8, characterized in that, The housing (13) is also provided with a human-computer interaction display screen (14), which is connected to the control device.

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