Protective shoe leather tensile test device
Through the matching design of the servo motor drive screw and the clamping assembly, the problem of unstable fixation of the leather in tensile test is solved, and accurate test results and leather protection is achieved.
Patent Information
- Application Number
- CN202421612468.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-07-09
AI Technical Summary
The prior art is difficult to effectively fix the leather for tensile testing, resulting in inaccurate test results or damage to the leather.
A protective shoe leather tensile testing device is designed, using a servo motor to drive the clamping assembly, which stabilizes the leather by moving up and down the clamping assembly. Combined with the design of the bidirectional screw and the limiting plate, it ensures that the leather does not move during the stretching process.
The stable fixation of the leather is achieved, ensuring the accuracy of tensile testing and the safety of the leather, and avoiding damage to the leather during the testing process.
Smart Images

Figure CN223064995U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of protective shoe leather processing, and particularly relates to a tensile test device for protective shoe leather. Background Technique
[0002] Protective shoe leather is one of the important materials for making protective shoes. The leather of protective shoes usually needs to have a series of special properties to meet the protection requirements in different working environments. During the production and processing of protective shoes, it is usually necessary to conduct a tensile test on the leather. The purpose of the leather tensile test is to determine the resistance and strength characteristics of the leather when subjected to a tensile force, which is of great significance for the production and application of leather products. When making protective shoes, if the leather used has insufficient tensile strength, it may easily crack and damage during use, affecting its service life and quality. Therefore, a tensile test device for protective shoe leather is needed to stably fix the leather for testing. Content of the Utility Model
[0003] The purpose of the utility model is to provide a tensile test device for protective shoe leather, which has the purpose of stably fixing the leather for testing, so as to solve the above background technical problems.
[0004] The technical solution of the utility model to solve the above technical problems is as follows: A tensile test device for protective shoe leather, which includes a fixing plate: A clamping assembly is fixed on one side of the fixing plate, a support frame is fixed on one side of the fixing plate, a servo motor is fixed on one side of the support frame, the output shaft of the servo motor penetrates through the support frame and extends to one side of the support frame to be fixed with a screw rod, a driving block is threadedly connected to the outside of the screw rod, both sides inside the driving block are slidably connected with sliding rods, both ends of the two sliding rods are fixedly connected through shaft seats, the screw rod is rotationally connected through the shaft seat, the shaft seat is fixedly connected with the fixing plate, a clamping assembly is arranged at the bottom of the driving block, and the two clamping assemblies are divided into upper and lower parts and cooperate with each other.
[0005] Preferably, the clamping assembly includes a fixed seat fixed on one side of the fixing plate, and a chute is opened inside the fixed seat.
[0006] Preferably, the clamping assembly further includes a moving block fixed on one side of the fixed seat, a bidirectional lead screw is rotatably connected inside the moving block, a crank is fixed on one side of the bidirectional lead screw, and the moving block is slidably connected with the chute.
[0007] Preferably, the clamping assembly further includes a push plate fixed on one side of the moving block, a clamping plate is arranged on one side of the push plate, and the clamping plate is arranged in a corrugated shape.
[0008] Preferably, the clamping assembly further includes a rotating shaft disposed outside the bidirectional lead screw. A limiting plate is rotatably connected to the outside of the rotating shaft, and the limiting plate is fixedly connected to the fixed seat.
[0009] Preferably, baffles are fixed to both sides of the fixing plate. Guide grooves are formed on the opposite sides of the baffles. Guide blocks are slidably connected inside the guide grooves, and the guide blocks are fixedly connected to the driving blocks.
[0010] The beneficial effects of the present utility model are as follows:
[0011] 1. In the present utility model, the leather is fixed by the clamping assembly at the lower part. Then, the servo motor is started. The servo motor drives the screw rod to rotate through the shaft seat, so that the screw rod can drive the driving block to move downward. The driving block is supported by the sliding rods on both sides during the movement, making its movement more stable. When the driving block moves close to the leather, the other end of the leather is fixed by operating the clamping assembly at the upper part. Then, the servo motor is started, and the servo motor drives the driving block to move upward, driving the clamping assembly at the upper part to move upward, thus achieving the purpose of stretching test on the leather.
[0012] 2. In the present utility model, by rotating the crank, the crank drives the bidirectional lead screw to rotate. The bidirectional lead screw drives the rotating shaft to rotate. The rotating shaft is rotationally limited by the limiting plate. At the same time, the bidirectional lead screw drives the moving blocks on both sides to move. The moving blocks drive the push plates to move, and the push plates drive the clamping plates to move synchronously. The leather is fixed by the clamping plates. Since the clamping plates are arranged in a corrugated shape, the leather can be firmly fixed.
[0013] 3. In the present utility model, baffles are fixed to both sides of the fixing plate. Guide grooves are formed on the opposite sides of the baffles. Guide blocks are slidably connected inside the guide grooves, and the guide blocks are fixedly connected to the driving blocks. By providing the baffles, it is convenient to form the guide grooves. By providing the guide grooves, it is convenient for the guide blocks to slide. By providing the guide blocks, it is convenient to fix the driving blocks and limit the driving blocks at the same time, preventing the driving blocks from shifting. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Wherein:
[0015] Figure 1 is a perspective view of an embodiment of the present utility model;
[0016] Figure 2 is a perspective view of the clamping assembly of an embodiment of the present utility model;
[0017] Figure 3 is a partial enlarged view of point A of an embodiment of the present utility model;
[0018] Figure 4Stereogram of the guiding groove and guiding block according to an embodiment of the present utility model.
[0019] In the drawings, the list of components represented by each reference numeral is as follows:
[0020] 1. Fixed plate, 2. Clamping assembly, 21. Fixed seat, 22. Sliding groove, 23. Moving block, 24. Bidirectional lead screw, 25. Crank, 26. Pushing plate, 27. Clamping plate, 28. Rotating shaft, 29. Limiting plate, 3. Baffle, 4. Support frame, 5. Servo motor, 6. Screw, 7. Driving block, 8. Shaft seat, 9. Slide bar, 10. Guiding groove, 11. Guiding block. Specific embodiments
[0021] In the following, embodiments of the protective shoe leather tensile test device of the present utility model will be described with reference to the drawings.
[0022] Embodiment 1:
[0023] Figures 1-4 A protective shoe leather tensile test device according to an embodiment of the present utility model is shown, which includes a fixed plate 1. A clamping assembly 2 is fixed on one side of the fixed plate 1. Baffles 3 are fixed on both sides of the fixed plate 1. Guiding grooves 10 are formed on the opposite sides of the baffles 3. A guiding block 11 is slidably connected inside the guiding groove 10. The guiding block 11 is fixedly connected to the driving block 7. By providing the baffle 3, it is convenient to form the guiding groove 10. By providing the guiding groove 10, it is convenient for the guiding block 11 to slide. By providing the guiding block 11, it is convenient to fix the driving block 7 and at the same time limit the driving block 7 to prevent the driving block 7 from shifting. A support frame 4 is fixed on one side of the fixed plate 1. A servo motor 5 is fixed on one side of the support frame 4. The output shaft of the servo motor 5 passes through the support frame 4 and extends to one side of the support frame 4 and is fixed with a screw 6. The driving block 7 is threadedly connected to the outside of the screw 6. Both sides inside the driving block 7 are slidably connected with slide bars 9. Both ends of the two slide bars 9 are fixedly connected through shaft seats 8. The screw 6 is rotatably connected through the shaft seat 8. The shaft seat 8 is fixedly connected to the fixed plate 1. The bottom of the driving block 7 is provided with a clamping assembly 2. The two clamping assemblies 2 are divided into upper and lower parts and cooperate with each other. By fixing the leather with the lower clamping assembly 2, then starting the servo motor 5, the servo motor 5 drives the screw 6 to rotate through the shaft seat 8, so that the screw 6 can drive the driving block 7 to move downward. The driving block 7 is supported by the slide bars 9 on both sides during the movement, making its movement more stable. When the driving block 7 moves close to the leather, by operating the upper clamping assembly 2 to fix the other end of the leather, then starting the servo motor 5, the servo motor 5 drives the driving block 7 to move upward, and by driving the driving block 7 to drive the upper clamping assembly 2 to move upward, the purpose of tensile testing the leather can be achieved.
[0024] Embodiment 2:
[0025] Figures 1-4 A leather tensile test device for a protective shoe showing an embodiment of the present utility model, which includes a fixing plate 1: A clamping assembly 2 is fixed on one side of the fixing plate 1. The clamping assembly 2 includes a fixed seat 21 fixed on one side of the fixing plate 1. A chute 22 is provided inside the fixed seat 21. The clamping assembly 2 further includes a moving block 23 fixed on one side of the fixed seat 21. A bidirectional lead screw 24 is rotatably connected inside the moving block 23. A crank 25 is fixed on one side of the bidirectional lead screw 24. The moving block 23 is slidably connected to the chute 22. The clamping assembly 2 further includes a push plate 26 fixed on one side of the moving block 23. A clamping plate 27 is provided on one side of the push plate 26. The clamping plate 27 is provided with a corrugated shape. The clamping assembly 2 further includes a rotating shaft 28 provided on the outer side of the bidirectional lead screw 24. A limiting plate 29 is rotatably connected to the outer side of the rotating shaft 28. The limiting plate 29 is fixedly connected to the fixed seat 21. By rotating the crank 25, the crank 25 drives the bidirectional lead screw 24 to rotate. The bidirectional lead screw 24 drives the rotating shaft 28 to rotate. The rotating shaft 28 is rotationally limited by the limiting plate 29. At the same time, the bidirectional lead screw 24 drives the moving blocks 23 on both sides to move. The moving blocks 23 drive the push plate 26 to move. The push plate 26 drives the clamping plate 27 to move synchronously. The leather is fixed by the clamping plate 27. By setting the clamping plate 27 to be corrugated, the leather can be firmly fixed. A support frame 4 is fixed on one side of the fixing plate 1. A servo motor 5 is fixed on one side of the support frame 4. The output shaft of the servo motor 5 penetrates through the support frame 4 and extends to one side of the support frame 4 to be fixed with a screw rod 6. A driving block 7 is threadedly connected to the outer side of the screw rod 6. Both sides inside the driving block 7 are slidably connected with slide rods 9. Both ends of the two slide rods 9 are fixedly connected through shaft seats 8. The screw rod 6 is rotationally connected through the shaft seat 8. The shaft seat 8 is fixedly connected to the fixing plate 1. The bottom of the driving block 7 is provided with a clamping assembly 2. The two clamping assemblies 2 are divided into upper and lower parts and cooperate with each other.
[0026] Working principle: When the utility model is in use, the user fixes the leather by means of the clamping assembly 2 at the lower part. By rotating the crank 25, the crank 25 drives the bidirectional lead screw 24 to rotate. The bidirectional lead screw 24 drives the rotating shaft 28 to rotate. The rotating shaft 28 is rotationally limited by the limiting plate 29. At the same time, the bidirectional lead screw 24 drives the moving blocks 23 on both sides to move. The moving blocks 23 drive the push plates 26 to move. The push plates 26 drive the clamping plates 27 to move synchronously. The leather is fixed by the clamping plates 27. Through the clamping plates 27, the leather can be firmly fixed. Subsequently, the servo motor 5 is started. The servo motor 5 drives the screw rod 6 to rotate through the shaft seat 8, so that the screw rod 6 can drive the driving block 7 to move downward. The driving block 7 is supported by the sliding rods 9 on both sides during the movement, making its movement more stable. When the driving block 7 moves close to the leather, the other end of the leather is fixed by operating the clamping assembly 2 at the upper part. Subsequently, the servo motor 5 is started. The servo motor 5 drives the driving block 7 to move upward. By driving the driving block 7 to drive the clamping assembly 2 at the upper part to move upward, the purpose of stretching test on the leather can be achieved.
Claims
1. A tensile test device for protective shoe leather, characterized in that, It includes a fixing plate (1): On one side of the fixing plate (1), a clamping assembly (2) is fixed. On one side of the fixing plate (1), a support frame (4) is fixed. On one side of the support frame (4), a servo motor (5) is fixed. The output shaft of the servo motor (5) penetrates through the support frame (4) and extends to one side of the support frame (4) to be fixed with a screw rod (6). A driving block (7) is threadedly connected to the outer side of the screw rod (6). Both sides inside the driving block (7) are slidably connected with sliding rods (9). Both ends of the two sliding rods (9) are fixedly connected through shaft seats (8). The screw rod (6) is rotationally connected through the shaft seat (8). The shaft seat (8) is fixedly connected to the fixing plate (1). The bottom of the driving block (7) is provided with a clamping assembly (2). The two clamping assemblies (2) are divided into upper and lower parts and cooperate with each other.
2. The tensile strength testing device for the protective shoe leather according to claim 1, wherein The clamping assembly (2) includes a fixed seat (21) fixed to one side of the fixing plate (1). A chute (22) is formed inside the fixed seat (21).
3. The anti-tensile test device for protective shoe leather according to claim 2, wherein, The clamping assembly (2) further includes a moving block (23) fixed to one side of the fixed seat (21). A bidirectional lead screw (24) is rotatably connected inside the moving block (23). A crank (25) is fixed to one side of the bidirectional lead screw (24). The moving block (23) is slidably connected to the chute (22).
4. The anti-tensile test device for protective shoe leather according to claim 3, wherein, The clamping assembly (2) further includes a push plate (26) fixed to one side of the moving block (23). A clamping plate (27) is arranged on one side of the push plate (26). The clamping plate (27) is arranged in a corrugated shape.
5. The leather tensile testing device for protective shoes according to claim 4, characterized in that, The clamping assembly (2) further includes a rotating shaft (28) arranged on the outer side of the bidirectional lead screw (24). A limiting plate (29) is rotatably connected to the outer side of the rotating shaft (28). The limiting plate (29) is fixedly connected to the fixed seat (21).
6. The leather tensile testing device for protective shoes according to claim 5, characterized in that, Baffles (3) are fixed to both sides of the fixing plate (1). Guide grooves (10) are formed on the opposite sides of the baffles (3). Guide blocks (11) are slidably connected inside the guide grooves (10). The guide blocks (11) are fixedly connected to the driving block (7).