Method and device for testing anti-fatigue performance of rotary buckle for shoes

Abstract

The invention discloses a method and device for testing the fatigue resistance of a rotary buckle for shoes, and the device is characterized in that the device comprises a shoe tree which is used for being filled in a shoe sample, the lifting end of a lifting cylinder is connected with a servo motor, and the servo motor is connected with an elastic coupler; and the elastic coupling is connected with a dynamic torque sensor and a clamping fixture for clamping and fixing a rotary buckle for shoes. The device has the following beneficial effects: the servo motor drives the clamping fixture to rotate, the operation is repeated and recorded as the number of times of one test until the dynamic torque sensor senses that the torque does not reach the corresponding preset value within the limited rotation range of the servo motor, and the rotary buckle for the shoe unloads the force, so that the fatigue damage of the rotary buckle for the shoe or the breakage of the shoelace can be judged; the accumulated test frequency is the anti-fatigue performance of the rotary buckle for the shoe.

Description

Technical Field

[0001] The present invention relates to a testing method and a testing device, and more specifically to a testing method and a testing device for the anti-fatigue performance of a rotating buckle for shoes. Background Art

[0002] Shoe swivel buckles can help keep shoelaces tight. They are usually used in sports shoes or outdoor shoes. They are easy to use and ensure that the wearer's performance will not be affected by loose shoelaces during exercise. To ensure the quality of the shoes, the anti-fatigue performance of shoe swivel buckles needs to be tested. Summary of the invention

[0003] In view of the deficiencies in the prior art, the object of the present invention is to provide a method and device for testing the anti-fatigue performance of a rotating buckle for a shoe, wherein the method and device can test the anti-fatigue performance of a rotating buckle for a shoe.

[0004] To achieve the above object, the present invention provides the following technical solution: a method for testing the anti-fatigue performance of a rotating buckle for shoes,

[0005] S1. Install the shoe sample to be tested on the shoe last to fix the shoe sample on the placement platform;

[0006] S2, the lifting cylinder drives the servo motor to descend, and the clamping fixture descends accordingly, and the clamping fixture clamps the rotating buckle for fixing the shoe;

[0007] S3, adjusting the angle of the shoe last so that the clamping fixture vertically clamps the shoe rotating buckle;

[0008] S4. Set the test torque and test times;

[0009] S5, start the servo motor, and the clamping fixture drives the shoe rotating buckle to rotate. When the dynamic torque sensor senses that the torque reaches the set torque, the servo motor stops rotating and unloads the force. This is a test cycle, which is recorded as a test number. Repeat the cycle until the set test number is reached.

[0010] S6. When the dynamic torque sensor senses that the torque has not reached the set torque, it will unload the force, the servo motor will stop rotating, and the device will stop.

[0011] The present invention is further configured as follows: S4, the rotation speed of the servo motor is also set, a dynamic mode is added, and the rotation speed and the test torque are dynamically adjusted within a limited range.

[0012] The present invention is further configured as follows: S7, the controller records and displays the rotation speed, the test torque and the test number on a display.

[0013] A testing device for the fatigue resistance of a shoe rotating buckle comprises a frame, a placing platform and a lifting cylinder are installed on the frame, the placing platform is connected to a supporting rod, the supporting rod is connected to a shoe last for filling a shoe sample, the lifting end of the lifting cylinder is connected to a servo motor, the servo motor is connected to an elastic coupling, the elastic coupling is connected to a dynamic torque sensor and a clamping fixture for clamping and fixing the shoe rotating buckle.

[0014] The present invention is further configured as follows: a reducer is installed at the lower end of the servo motor, the elastic coupling includes a first connecting shaft and a second connecting shaft, the first connecting shaft is connected to the reducer, the lower end of the second connecting shaft is connected to the clamping fixture, an elastic member is arranged between the first connecting shaft and the second connecting shaft, and the dynamic torque sensor is installed on the elastic member.

[0015] The present invention is further configured as follows: the clamping fixture includes a clamping seat, a clamping groove for accommodating a shoe rotating buckle is provided on the bottom surface of the clamping seat, a fastening hole is provided on the side wall of the clamping groove, a fastening rod is threadedly connected to the fastening hole, the inner end of the fastening rod is rotatably connected to a fastening block for abutting against the side of the shoe rotating buckle, and the outer end of the fastening rod is fixedly connected to a fastening handle.

[0016] The present invention is further configured as follows: the number of the fastening holes is two, the two fastening holes are symmetrically arranged, and a limiting plate is also arranged at the bottom of the fastening block.

[0017] The present invention is further configured as follows: a mounting plate is also installed on the frame, a lifting cylinder is installed on the mounting plate, and a lifting plate is installed at the lifting end, a servo motor is installed at the far end of the lifting plate, a lifting guide rail is installed on the mounting plate, a lifting slider is slidably connected to the lifting guide rail, the lifting slider is fixedly connected to the lifting plate, a controller and a rotating motor are also installed on the placement platform, a placement table is fixedly connected to the output shaft of the rotating motor, a display screen is provided on the controller, and the controller is electrically connected to the rotating motor, the lifting cylinder, the servo motor and the dynamic torque sensor.

[0018] The present invention is further configured as follows: the placing table is connected to a movable ball head, the support rod is installed on the movable ball head, the movable ball head includes a movable seat, the movable seat is provided with a ball groove and a fixing hole, the ball groove is rotatably connected to a sphere, the sphere is provided with a rod hole connected to the support rod, the fixing hole is threadedly connected to a fixed handle for fixing the sphere, and both ends of the support rod are provided with bending portions.

[0019] The present invention is further configured as follows: the placement platform is installed with a platform locker for fixing the placement table, the platform lock includes a locking block, the locking block is provided with a locking groove and a locking hole, the locking hole is threadedly connected with a locking handle for extending into the locking groove to abut against the placement table.

[0020] To sum up, the present invention has the following beneficial effects: when in use, the shoe last is filled into the sample shoe, the lifting cylinder drives the servo motor to descend, thereby driving the clamping fixture to descend, the clamping fixture clamps and fixes the shoe rotary buckle, and the servo motor is started to drive the clamping fixture to rotate, thereby driving the shoe rotary buckle to rotate, the shoe rotary buckle and the sample shoe rotate relative to each other, and the dynamic torque sensor senses the torque in real time. When the torque reaches the corresponding preset value, the servo motor rotates and resets, and then drives the clamping fixture to rotate again, repeats the cycle, and records it as a test number until the dynamic torque sensor senses that the torque does not reach the corresponding preset value within the limited rotation range of the servo motor, and the shoe rotary buckle unloads the force, and it can be judged that the shoe rotary buckle is fatigue damaged or the shoelaces are broken, and the accumulated number of tests is the anti-fatigue performance of the shoe rotary buckle. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the connection structure of a device for improving the fatigue resistance of a rotating buckle for shoes;

[0022] Figure 2 It is a schematic diagram of the connection structure of the elastic coupling;

[0023] Figure 3 is a schematic diagram of the connection structure of the clamping fixture;

[0024] Figure 4 It is a schematic diagram of the connection structure of the movable ball head;

[0025] Figure 5 It is a schematic diagram of the connection structure of the platform lock;

[0026] Figure 6 Schematic diagram of the connection structure of the support rod.

[0027] Figure numerals: 1, frame; 11, dynamic torque sensor; 12, controller; 121, display screen; 13, mounting plate; 2, placement platform; 21, support rod; 211, bending part; 22, shoe last; 23, rotating motor; 24, placement table; 3, lifting cylinder; 31, servo motor; 32, reducer; 33, lifting plate; 34, lifting guide rail; 35, lifting slide block; 4, clamping fixture; 41, clamping seat; 42, clamp Holding groove; 43, fastening hole; 44, fastening rod; 45, fastening block; 46, fastening handle; 47, limit plate; 5, elastic coupling; 51, first connecting shaft; 52, second connecting shaft; 53, elastic member; 6, movable ball head; 61, movable seat; 62, ball groove; 63, fixing hole; 64, rod hole; 65, fixing handle; 7, platform locker; 71, locking block; 72, locking groove; 73, locking hole; 74, locking handle. DETAILED DESCRIPTION

[0028] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. The same parts are represented by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0029] Reference Figure 1-6 As shown in the figure, the test method for the fatigue resistance of the rotating buckle for shoes is

[0030] S1, installing the shoe sample to be tested on the shoe last 22 to fix the shoe sample on the placement platform 2;

[0031] S2, the lifting cylinder 3 drives the servo motor 31 to descend, and the clamping fixture 4 descends accordingly, and the clamping fixture 4 clamps and fixes the rotating buckle for the shoe;

[0032] S3, adjusting the angle of the shoe last 22 so that the clamping fixture 4 vertically clamps the shoe rotating buckle;

[0033] S4. Set the test torque and test times;

[0034] S5, start the servo motor 31, the clamping fixture 4 drives the shoe rotating buckle to rotate, and when the dynamic torque sensor 11 senses that the torque reaches the set torque, the servo motor 31 stops rotating and unloads the force, which is a test cycle, recorded as a test number, and the cycle is repeated until the set test number is reached;

[0035] S6. When the dynamic torque sensor 11 senses that the torque has not reached the set torque, it unloads the force, the servo motor 31 stops rotating, and the device stops.

[0036] Through the above scheme, when in use, the shoe last 22 is filled into the sample shoe, and the lifting cylinder 3 drives the servo motor 31 to descend, thereby driving the clamping fixture 4 to descend, and the clamping fixture 4 clamps and fixes the shoe rotary buckle, and the servo motor 31 is started to drive the clamping fixture 4 to rotate, thereby driving the shoe rotary buckle to rotate, and the shoe rotary buckle and the sample shoe rotate relative to each other, and the dynamic torque sensor 11 senses the torque in real time. When the torque reaches the corresponding preset value, the servo motor 31 rotates and resets, and then drives the clamping fixture 4 to rotate again, and repeats the cycle, which is recorded as one test number until the dynamic torque sensor 11 senses that the torque does not reach the corresponding preset value within the limited rotation range of the servo motor 31, and the shoe rotary buckle unloads the force, and it can be judged that the shoe rotary buckle is fatigue damaged or the shoelaces are broken, and the accumulated number of tests is the anti-fatigue performance of the shoe rotary buckle.

[0037] As a specific implementation of the improvement, S4, the rotation speed of the servo motor 31 is also set, a dynamic mode is added, and the rotation speed and the test torque are dynamically adjusted within a limited range.

[0038] Through the above scheme, the upper limit of the number of tests can also be set. If the corresponding number of tests is completed, it means that the anti-fatigue performance of the shoe rotating buckle is qualified and the test is completed. The intensity of the test can also be effectively adjusted by adjusting the rotation speed, making the test more reasonable, increasing the test conditions, and obtaining more test data.

[0039] As an improved specific implementation, S7, the controller 12 records and displays the rotation speed, test torque and test times on a display.

[0040] Through the above scheme, the automatic control by the controller 12 is relied upon, which is convenient for operation and use, and reduces the labor intensity of the tester.

[0041] The testing device for fatigue resistance of a rotating buckle for shoes comprises a frame 1, on which a placing platform 2 and a lifting cylinder 3 are mounted, the placing platform 2 is connected to a supporting rod 21, the supporting rod 21 is connected to a shoe last 22 for filling a shoe sample, the lifting end of the lifting cylinder 3 is connected to a servo motor 31, the servo motor 31 is connected to an elastic coupling 5, the elastic coupling 5 is connected to a dynamic torque sensor 11 and a clamping fixture 4 for clamping and fixing the rotating buckle for shoes.

[0042] Through the above scheme, the shoe last 22 is filled into the shoe sample, the shoe sample is installed, and after starting, the lifting cylinder 3 drives the clamping fixture 4 to descend, the servo motor 31 starts to rotate, and the dynamic torque sensor 11 senses the torque change. The servo motor 31 repeats the rotation and rotation as a test, and the preset number of tests is used to test whether the fatigue resistance of the shoe rotary buckle meets the standard. The elastic coupling 5 can be flexibly connected vertically, and the power is transmitted vertically downward to reduce the vibration of the rotation. The dynamic torque sensor 11 senses the torque change through the relative strain and pressure of the elastic member 53.

[0043] As an improved specific implementation, a reducer 32 is installed at the lower end of the servo motor 31, and the elastic coupling 5 includes a first connecting shaft 51 and a second connecting shaft 52. The first connecting shaft 51 is connected to the reducer 32, and the lower end of the second connecting shaft 52 is connected to the clamping fixture 4. An elastic member 53 is arranged between the first connecting shaft 51 and the second connecting shaft 52, and the dynamic torque sensor 11 is installed on the elastic member 53.

[0044] Through the above solution, the speed reducer 32 can effectively reduce the rotation speed, so that the rotation speed can be effectively controlled and the torque can be increased.

[0045] As an improved specific embodiment, the clamping fixture 4 includes a clamping seat 41, the bottom surface of the clamping seat 41 is provided with a clamping groove 42 for accommodating a shoe rotating buckle, the side wall of the clamping groove 42 is provided with a fastening hole 43, the fastening hole 43 is threadedly connected with a fastening rod 44, the inner end of the fastening rod 44 is rotatably connected with a fastening block 45 for abutting against the side of the shoe rotating buckle, and the outer end of the fastening rod 44 is fixedly connected with a fastening handle 46.

[0046] By the above solution, the handle is turned so that the fastening block 45 abuts against the side of the shoe rotating buckle, and the shoe rotating buckle is fixed in the clamping groove 42, and rotates with the rotation of the clamping seat 41, thereby transmitting the rotating torque. It is easy to disassemble and use.

[0047] As an improved specific implementation, the number of the fastening holes 43 is two, the two fastening holes 43 are symmetrically arranged, and a limiting plate 47 is further arranged at the bottom of the fastening block 45 .

[0048] Through the above solution, the symmetrical arrangement is firmly fixed, and the limiting plate 46 ensures that the shoe rotating buckle is confined in the clamping groove 42 and does not fall off during the test process.

[0049] As a specific implementation of the improvement, a mounting plate 13 is also installed on the frame 1, the lifting cylinder 3 is installed on the mounting plate 13, and a lifting plate 33 is installed at the lifting end, the servo motor 31 is installed at the far end of the lifting plate 33, a lifting guide rail 34 is installed on the mounting plate 13, a lifting slider 35 is slidably connected to the lifting guide rail 34, the lifting slider 35 is fixedly connected to the lifting plate 33, a controller 12 and a rotating motor 23 are also installed on the placement platform 2, the output shaft of the rotating motor 23 is fixedly connected to the placement table 24, a display screen 121 is provided on the controller 12, and the controller 12 is electrically connected to the rotating motor 23, the lifting cylinder 3, the servo motor 31 and the dynamic torque sensor 11.

[0050] Through the above scheme, the lifting guide rail 34 and the lifting slider 35 cooperate to make the lifting smooth, the structure is more solid and stable, and it is not easy to loosen or vibrate. The system is controlled by the controller 12, which is convenient to use and easy to operate. The rotating motor 23 can rotate the placement plate 24 to adjust the position of the sample shoe.

[0051] As an improved specific implementation method, the placing table 24 is connected to the movable ball head 6, the support rod 21 is installed on the movable ball head 6, the movable ball head 6 includes a movable seat 61, the movable seat 61 is provided with a ball groove 62 and a fixing hole 63, the ball groove 62 is rotatably connected to the ball 63, the ball 63 is provided with a rod hole 64 connected to the support rod 21, the fixing hole 63 is threadedly connected with a fixed handle 65 for fixing the ball 63, and both ends of the support rod 21 are provided with a bending portion 211.

[0052] Through the above scheme, the angle position can be adjusted so that the position and angle of the sample shoe are appropriate, and the clamping fixture 4 drives the shoe rotating buckle to rotate vertically. After adjustment, the fixed handle 65 can be rotated to fix the ball 63 to keep the angle unchanged. The bending part 211 can accept slight deformation, so that it can flexibly support and connect, ensuring the smooth operation of the test.

[0053] As an improved specific embodiment, the placement platform 2 is installed with a platform locker 7 for fixing the placement table 24, and the platform locker 7 includes a locking block 71, and the locking block 71 is provided with a locking groove 72 and a locking hole 73, and the locking hole 73 is threadedly connected with a locking handle 74 for extending into the locking groove 72 to abut against the placement table 24.

[0054] Through the above solution, the locking handle 74 is rotated so that the locking handle 74 extends into the locking groove 72 and abuts against the placement table 24, thereby fixing the placement table 24 and reducing interference, so as to facilitate stable testing.

[0055] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. The test method for fatigue resistance of swivel buckles for shoes is characterized by: S1, installing a shoe sample to be tested on a shoe last (22) to fix the shoe sample on a placement platform (2); S2, the lifting cylinder (3) drives the servo motor (31) to descend, and the clamping fixture (4) descends accordingly, and the clamping fixture (4) clamps and fixes the rotating buckle for the shoe; S3, adjusting the angle of the shoe last (22) so that the clamping fixture (4) vertically clamps the shoe rotating buckle; S4. Set the test torque and test times; S5, starting the servo motor (31), the clamping fixture (4) drives the shoe rotating buckle to rotate, and when the dynamic torque sensor (11) senses that the torque reaches the set torque, the servo motor (31) stops rotating and unloads the force, which is a test cycle, recorded as a test number, and the cycle is repeated until the set test number is reached; S6. When the dynamic torque sensor (11) senses that the torque has not reached the set torque, the force is released, the servo motor (31) stops rotating, and the device stops.

2. The method for testing the anti-fatigue performance of a shoe rotating buckle according to claim 1, characterized in that: S4, also setting the rotation speed of the servo motor (31), adding a dynamic mode, and dynamically adjusting the rotation speed and test torque within a limited range.

3. The method for testing the anti-fatigue performance of a shoe rotating buckle according to claim 2, characterized in that: S7. The controller (12) records and displays the rotation speed, test torque and test times on a display.

4. A testing device for fatigue resistance of a rotating buckle for shoes, comprising a frame (1), characterized in that: The frame (1) is provided with a placement platform (2) and a lifting cylinder (3); the placement platform (2) is connected to a support rod (21); the support rod (21) is connected to a shoe last (22) for filling a shoe sample; the lifting end of the lifting cylinder (3) is connected to a servo motor (31); the servo motor (31) is connected to an elastic coupling (5); the elastic coupling (5) is connected to a dynamic torque sensor (11) and a clamping fixture (4) for clamping and fixing a rotating buckle for a shoe.

5. The testing device for anti-fatigue performance of a shoe rotating buckle according to claim 4 is characterized in that: A reducer (32) is installed at the lower end of the servo motor (31), and the elastic coupling (5) includes a first connecting shaft (51) and a second connecting shaft (52), the first connecting shaft (51) is connected to the reducer (32), the lower end of the second connecting shaft (52) is connected to the clamping fixture (4), an elastic member (53) is arranged between the first connecting shaft (51) and the second connecting shaft (52), and the dynamic torque sensor (11) is installed on the elastic member (53).

6. The testing device for anti-fatigue performance of a shoe rotating buckle according to claim 4 is characterized in that: The clamping fixture (4) comprises a clamping seat (41), the bottom surface of the clamping seat (41) is provided with a clamping groove (42) for accommodating a shoe rotating buckle, the side wall of the clamping groove (42) is provided with a fastening hole (43), the fastening hole (43) is threadedly connected with a fastening rod (44), the inner end of the fastening rod (44) is rotatably connected with a fastening block (45) for abutting against the side of the shoe rotating buckle, and the outer end of the fastening rod (44) is fixedly connected with a fastening handle (46).

7. The testing device for anti-fatigue performance of a shoe rotating buckle according to claim 6 is characterized by: The number of the fastening holes (43) is two, and the two fastening holes (43) are symmetrically arranged. A limiting plate (47) is also arranged at the bottom of the fastening block (45).

8. The testing device for anti-fatigue performance of a shoe rotating buckle according to claim 4 is characterized in that: The frame (1) is also provided with a mounting plate (13), the lifting cylinder (3) is installed on the mounting plate (13), and a lifting plate (33) is installed at the lifting end, the servo motor (31) is installed at the far end of the lifting plate (33), the mounting plate (13) is provided with a lifting guide rail (34), a lifting slider (35) is slidably connected to the lifting guide rail (34), and the lifting slider (35) is fixedly connected to the lifting plate (33), the placement platform (2) is also provided with a controller (12) and a rotating motor (23), the output shaft of the rotating motor (23) is fixedly connected to the placement table (24), the controller (12) is provided with a display screen (121), and the controller (12) is electrically connected to the rotating motor (23), the lifting cylinder (3), the servo motor (31) and the dynamic torque sensor (11).

9. The testing device for anti-fatigue performance of a shoe rotating buckle according to claim 8 is characterized in that: The placing table (24) is connected to a movable ball head (6), the support rod (21) is installed on the movable ball head (6), the movable ball head (6) includes a movable seat (61), the movable seat (61) is provided with a ball groove (62) and a fixing hole (63), the ball groove (62) is rotatably connected to a ball (63), the ball (63) is provided with a rod hole (64) connected to the support rod (21), the fixing hole (63) is threadedly connected to a fixing handle (65) for fixing the ball (63), and both ends of the support rod (21) are provided with a bending portion (211).

10. The testing device for anti-fatigue performance of a shoe rotating buckle according to claim 8, characterized in that: The placement platform (2) is provided with a platform locker (7) for fixing the placement table (24), and the platform locker (7) includes a locking block (71), and the locking block (71) is provided with a locking groove (72) and a locking hole (73), and the locking hole (73) is threadedly connected with a locking handle (74) for extending into the locking groove (72) to abut against the placement table (24).

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