Silicon steel sheet repeated bending testing device

By designing a silicon steel sheet repeated bending test device that includes components such as a fixed bracket, motor, and rotating rod, the problems of sensor accuracy reduction and fixture wear were solved, achieving both test result accuracy and device durability, and ensuring that the surface of the silicon steel sheet is not damaged.

CN223742215UActive Publication Date: 2025-12-30SUZHOU MILL PRECISION INSTR EQUIP CO LTD
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Patent Information

Application Number
CN202520212043.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2025-12-30
Estimated Expiration
2035-02-11

AI Technical Summary

Technical Problem

Existing silicon steel sheet repeated bending test equipment suffers from decreased sensor accuracy and fixture wear after prolonged use, leading to inaccurate measurements and reduced durability. Furthermore, the worn fixtures damage the surface of the silicon steel sheet, affecting the test results.

Method used

A silicon steel sheet repeated bending test device was designed, which includes components such as a fixed bracket, motor, rotating rod, adjusting column, slider, fixing block, and sealing mechanism. The silicon steel sheet is stably clamped by the coordinated movement of the slider and fixing block, and the sealing mechanism protects the test equipment from external interference and prevents the fixture from wearing.

Benefits of technology

This improves the accuracy of test results and the durability of the device, prevents the impact of fixture wear on silicon steel sheets, and ensures the reliability and repeatability of experimental data.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of silicon steel sheet testing, and discloses a silicon steel sheet repeated bending testing device which comprises a fixing support, the rear side of the outer wall of the fixing support is fixedly connected with a second fixing plate, the front side of the outer wall of the second fixing plate is fixedly connected with a motor, and the output end of the motor is fixedly connected with a rotating rod. Adjusting columns are fixedly connected to the upper end and the lower end of the rotating rod, a sliding block is slidably connected to the front side of the outer wall of the fixing support, the left end of the threaded rod is rotatably connected to the right side of the outer wall of the fixing clamping plate, and a sealing mechanism is slidably connected to the bottom of the fixing support and used for protecting the sealing test equipment. According to the utility model, before testing, the silicon steel sheet is placed between the clamping plates to be fixed, the operation table is utilized to start the rotation of the rotating rod, the swinging of the sliding block and the back-and-forth bending of the silicon steel sheet to complete user requirements, and after completion, the leather sheath is replaced to prevent the influence on experimental data and prevent the clamping structure from being worn after long-time use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of silicon steel sheet testing, especially to a silicon steel sheet repeated bending testing device. BACKGROUND

[0002] Silicon steel sheet, also known as silicon steel sheet, is a kind of iron-silicon alloy material with high silicon content, which has low core loss and can effectively reduce the loss of energy in the electromagnetic conversion process, improving the efficiency of electrical equipment. At the same time, it can produce strong magnetic induction under the action of magnetic field, which is beneficial to improve the performance of electromagnetic equipment. Silicon steel sheet is mainly used to manufacture the core of various electrical and transformer electromagnetic equipment. Since the performance of silicon steel sheet is crucial to the quality and efficiency of electromagnetic equipment, its composition, thickness and flatness parameters need to be strictly controlled during production to ensure that it meets the needs of different application scenarios.

[0003] The silicon steel sheet repeated bending testing device is a device specially used for testing the repeated bending performance of silicon steel sheet. The device mainly applies a certain bending force to the silicon steel sheet to simulate the bending stress it may be subjected to in actual use, ensuring that the silicon steel sheet does not displace or loosen during testing. The size, frequency and number of force parameters are controlled to meet different testing requirements, monitor the deformation, stress distribution and crack damage of the silicon steel sheet during repeated bending, and evaluate the flexibility, fatigue resistance and reliability of the silicon steel sheet through the use of the silicon steel sheet repeated bending testing device.

[0004] In the existing silicon steel sheet repeated bending testing device, the accuracy of the sensor decreases over time, resulting in inaccurate measurement results, device wear and tear, and reduced durability. The clamp is a component that directly contacts the silicon steel sheet in the repeated bending testing device. During frequent bending, the surface of the clamp is subjected to friction and wear from the silicon steel sheet. The wear of the clamp can cause the clamping force to decrease and the clamping position to be inaccurate, affecting the normal progress of the test. In addition, the worn clamp also damages the surface of the silicon steel sheet, affecting the test results of the silicon steel sheet. UTILITY MODEL CONTENTS

[0005] To make up for the above shortcomings, the utility model provides a silicon steel sheet repeated bending testing device to improve the problem that the existing technology may not be accurate in measurement, has reduced durability, and the worn clamp damages the surface of the silicon steel sheet, affecting the test results.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: A silicon steel sheet repeated bending testing device, including fixed bolster, the outer wall rear side fixed connection of fixed bolster no.

[0007] As a further description of the above technical scheme:

[0008] The sealing mechanism includes a baffle, the baffle is slidably connected to the outer wall of the fixed bolster, the inner wall of the baffle is provided with a sliding groove on the left and right sides, the sliding groove is slidably connected with a sliding bar, the sliding bar is fixedly connected to the outer wall of the fixed bolster, the bottom of the fixed bolster is fixedly connected with a bottom plate, the top of the baffle is rotatably connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a glass cover plate, and the front side of the glass cover plate is fixedly connected with a handle.

[0009] As a further description of the above technical scheme:

[0010] The bottom of the motor is provided with a buffer pad, and the four corners of the buffer pad are fixedly connected with bolts.

[0011] As a further description of the above technical scheme:

[0012] The right end of the threaded rod is fixedly connected with a handle, and the top of the handle is provided with an anti-skid sleeve.

[0013] As a further description of the above technical scheme:

[0014] The inner rear side of the fixed plate no.

[0015] As a further description of the above technical scheme:

[0016] The outer wall left side of the fixed support is fixedly connected with an operation table, a button is installed on the top of the operation table, and a display screen is arranged on the top of the button.

[0017] As a further description of the above technical scheme:

[0018] Four bolts are screw-connected at the four corners of the bottom plate, and anti-skid pads are fixedly connected at the bottom of the four bolts.

[0019] As a further description of the above technical scheme:

[0020] Reflective plates are installed at the left and right sides of the inner part of the baffle, and lamp tubes are installed on the inner walls of the two reflective plates.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1、 the utility model discloses, before testing, put silicon steel sheet between the clamping plate, fix, utilize the operation table and start to rotate the rotating lever, swing the sliding block, back and forth bending silicon steel sheet completes the user needs, after completion, replace the leather sheath, prevent the influence experiment data, reduce the clamping structure after long -time use and prevent abrasion.

[0023] 2、 the utility model discloses, after stably putting silicon steel sheet, utilize the slide bar and push the cover plate smoothly, adhere to the outer wall of testing equipment, and the protective shell formed in this way, this is aimed at effectively isolating environmental factors and invading, ensures that the testing device is not disturbed by the outside world, and then guarantees the accuracy of the measurement result. DRAWINGS

[0024] Figure 1 A perspective view of a silicon steel sheet repeated bending test device is provided for the utility model;

[0025] Figure 2 A front view of a silicon steel sheet repeated bending test device is provided for the utility model;

[0026] Figure 3 A rear view of a silicon steel sheet repeated bending test device is provided for the utility model;

[0027] Figure 4 A partial structure view of a silicon steel sheet repeated bending test device is provided for the utility model;

[0028] Figure 5 A split view of a sealing mechanism of a silicon steel sheet repeated bending test device is provided for the utility model.

[0029] LEGEND:

[0030] 1, fixed support; 2, sealing mechanism; 201, baffle; 202, chute; 203, slide bar one; 204, bottom plate; 205, rotating shaft; 206, glass cover plate; 207, handle one; 3, motor; 4, rotating rod; 5, adjusting column; 6, sliding block; 7, fixed column; 8, fixed block one; 9, fixed plate one; 10, correction support; 11, fixed block two; 12, fixed clamping plate; 13, moving clamping plate; 14, leather sheath; 15, slide bar two; 16, threaded rod; 17, buffer pad; 18, bolt one; 19, button; 20, display screen; 21, reflector; 22, lamp tube; 23, handle two; 24, non-slip sleeve; 25, fixed plate two; 26, bolt three; 27, air outlet; 28, bolt four; 29, non-slip pad; 30, operation table. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Referring to Figure 1 , Figure 2 and Figure 4 , the utility model provides an embodiment: a silicon steel sheet repeated bending test device, fixed support 1 is connected with fixed plate two 25 on the back side of the outer wall, motor 3 is connected with fixed plate two 25 on the front side of the outer wall, the output end of motor 3 is connected with rotating rod 4, rotating rod 4 is connected with adjusting column 5 on the upper and lower ends, sliding block 6 is connected with fixed support 1 on the front side of the outer wall, fixed column 7 is connected with the top left side of sliding block 6, fixed block one 8 is connected with the top right side of sliding block 6, fixed plate one 9 is connected with the top of fixed block one 8, correction support 10 is rotatably connected with the middle upper part of fixed plate one 9, fixed block two 11 is rotatably connected with the middle of sliding block 6, fixed clamping plate 12 is connected with the bottom of fixed support 1, leather sheath 14 is installed on the top of fixed clamping plate 12, slide bar two 15 is connected with the bottom of fixed support 1, moving clamping plate 13 is slidably connected with the outer wall of slide bar two 15, threaded rod 16 is screwedly connected in moving clamping plate 13, threaded rod 16 left end is rotatably connected on the right side of the outer wall of fixed clamping plate 12, sealing mechanism 2 is connected with the bottom of fixed support 1, sealing mechanism 2 is used for protecting sealing test equipment, buffer pad 17 is installed on the bottom of motor 3, bolt one 18 is connected with the four corners of buffer pad 17;

[0033] Specific, fixed support 1 rear connecting fixed plate two 25, its front connecting motor 3, motor 3 output end connecting rotating rod 4, rotating rod 4 both ends connecting adjusting column 5, fixed support 1 front sliding connection slider 6, top installation fixed column 7 and fixed block one 8, support top has rotating correction support 10, for adjusting and correcting, rotating rod 4 drive fixed column 7 and fixed block one 8 swing slider 6, slider 6 middle rotating connection fixed block two 11, bottom fixed connection fixed clamp plate 12, top installation leather sheath 14, bottom connecting slide bar two 15 and moving clamp plate 13, clamp plate installation threaded rod 16, connecting fixed clamp plate 12, support bottom and sealing mechanism 2 sliding connection, protect the test equipment, motor 3 bottom installation buffer pad 17, reduce vibration and impact, through bolt one 18 fixed, improve equipment stability and safety.

[0034] Referring to Figure 3 and Figure 5 , sealing mechanism 2 includes baffle 201, baffle 201 sliding connection in the outer wall of fixed support 1 left and right side, baffle 201 of the inner wall left and right side are provided with sliding groove 202, sliding groove 202 inside sliding connection has slide bar one 203, slide bar one 203 fixed connection in the outer wall of fixed support 1 left and right side, the bottom of fixed support 1 fixed connection has bottom plate 204, baffle 201 top rotating connection has rotating shaft 205, rotating shaft 205 of the outer wall fixed connection has glass cover plate 206, glass cover plate 206 outer wall front side fixed connection has handle one 207, bottom plate 204 of the four corner thread connection has bolt four 28, bolt four 28 bottom fixed connection has anti-skid pad 29, baffle 201 inside left and right side are installed with reflector 21, two reflector 21 inner wall installation has fluorescent tube 22;

[0035] Specific, baffle 201 through sliding groove 202 and slide bar one 203 fixed in the both sides of fixed support 1, convenient to disassemble, bottom plate 204 provides stable support, baffle 201 top rotating shaft 205 connection glass cover plate 206, ensure the sealing, cover plate outside has handle one 207 convenient operation, four bolt four 28 and anti-skid pad 29 fixed in the corner of bottom plate 204, enhance the structural stability, baffle 201 inside both sides are provided with reflector 21, plate on the installation has fluorescent tube 22, for providing illumination.

[0036] Referring to Figure 1 , Figure 2 and Figure 3 , the right end of threaded rod 16 fixed connection has handle two 23, handle two 23 top installation has anti-skid sleeve 24, fixed plate two 25 inside rear side is provided with air exhaust hole 27, air exhaust hole 27 of the four corner thread connection has bolt three 26, fixed support 1 outer wall left side fixed connection has operation table 30, operation table 30 top installation has button 19, button 19 top setting has display screen 20;

[0037] Specifically, the right end of the threaded rod 16 is fixedly connected with the handle 23, and the top of the handle 23 is installed with the anti-skid sleeve 24 to ensure that the user can hold more stably during operation, and the inside of the rear side of the fixed plate 25 is provided with an exhaust hole 27 to effectively exhaust hot air during operation of the equipment. Four bolts 26 are threadedly connected at the four corners of the exhaust hole 27, which not only plays a fixing role, but also ensures the sealing of the exhaust hole 27. In addition, the operating table 30 is fixedly connected to the left side of the outer wall of the fixed support 1, and the button 19 is installed on the top of the operating table 30. The user can control the equipment through this button 19. In order to facilitate observation of the running state of the equipment, the top of the button 19 is also provided with a display screen 20. The display screen 20 can display various parameters and running states of the equipment in real time, so that the user can more intuitively understand the working condition of the equipment.

[0038] Working principle: A fixed plate 25 is fixedly connected to the rear side of the outer wall of the fixed support 1, and the front side of the outer wall of the fixed plate 25 is fixedly connected with the motor 3, so that the motor 3 runs more stably. The output end of the motor 3 is fixedly connected with the rotating rod 4, and the upper and lower ends of the rotating rod 4 are fixedly connected with the adjusting column 5. A sliding block 6 is slidingly connected to the front side of the outer wall of the fixed support 1, so that it can move left and right on a certain track or path. The top left part of the sliding block 6 is fixedly connected with the fixed column 7, which may also have a guiding effect. At the same time, the top right part of the sliding block 6 is fixedly connected with the fixed block 8. The fixed support 1 is installed with a fixed plate 9 on the top. The fixed plate 9 is rotatably provided with a correction support 10 at the middle upper position, so that the correction support 10 can rotate within a certain range, thereby realizing more flexible adjustment and correction functions. After the rotating rod 4 rotates to the bottom, the fixed column 7 is pulled to the left side of the fixed support 1, and the rotating rod 4 continues to rotate. The correction support 10 is installed on the rotating path of the rotating rod 4. The rotating rod 4 hits the left end of the correction support 10, and the right end of the correction support 10 rotates and rises to the right. The fixed block 8 is dragged to the right side of the fixed support 1, realizing back and forth swinging of the sliding block 6. The middle part of the sliding block 6 is rotatably connected with the fixed block 2 for fixing the head of the silicon steel sheet. The bottom of the fixed support 1 is fixedly connected with the fixed clamping plate 12, and the top of the fixed clamping plate 12 is installed with the leather sheath 14 for convenient switching and avoiding equipment wear and tear. The bottom of the fixed support 1 is fixedly connected with the sliding bar 2, and the outer wall of the sliding bar 2 is slidingly connected with the moving clamping plate 13. The clamping plate is used to adjust the fastening degree and fix the bottom of the silicon steel sheet. The inside of the moving clamping plate 13 is installed with the threaded rod 16 through screw connection, and the left end of the threaded rod 16 is installed on the outer wall right side of the fixed clamping plate 12 through rotatable connection, which is convenient for user operation and increases the semi-automatic structure of the equipment test result.

[0039] The baffle 201 is slidingly connected to the left and right sides of the outer wall of the fixed support 1, is convenient to disassemble, sliding grooves 202 are respectively formed in the left and right sides of the inner wall of the baffle 201, quick fixing is realized, sliding strips one 203 are slidingly connected to the inside of the sliding grooves 202, the sliding strips one 203 are fixedly connected to the left and right sides of the outer wall of the fixed support 1, in addition, the bottom of the fixed support 1 is further fixedly connected with a bottom plate 204, so as to provide stable support, the top of the baffle 201 is connected with a rotating shaft 205 in a rotating manner, the outer wall of the rotating shaft 205 is fixedly connected with a glass cover plate 206, so as to ensure the sealing performance of the whole structure, in order to facilitate operation, the outer wall of the front side of the glass cover plate 206 is further fixedly connected with a handle one 207, so that the user can easily open or close the cover plate, the internal condition can be observed through the glass cover plate 206, and the sealing performance of the test is ensured, and is free from external interference.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A device for repeated bending test of silicon steel sheet comprising a fixed support (1), characterized in that: The outer wall rear side of the fixed support (1) is fixedly connected with a second fixed plate (25), the outer wall front side of the second fixed plate (25) is fixedly connected with a motor (3), the output end of the motor (3) is fixedly connected with a rotating rod (4), the upper and lower ends of the rotating rod (4) are fixedly connected with adjusting columns (5), the outer wall front side of the fixed support (1) is slidingly connected with a sliding block (6), the top left side of the sliding block (6) is fixedly connected with a fixed column (7), the top right side of the sliding block (6) is fixedly connected with a first fixed block (8), the top of the first fixed block (8) is fixedly connected with a first fixed plate (9), the first fixed plate (9) is rotatably connected with a correction support (10) at the middle upper portion, the middle portion of the sliding block (6) is rotatably connected with a second fixed block (11), the bottom of the fixed support (1) is fixedly connected with a fixed clamping plate (12), the top of the fixed clamping plate (12) is provided with a leather sheath (14), the bottom of the fixed support (1) is fixedly connected with a second sliding strip (15), the outer wall of the second sliding strip (15) is slidingly connected with a movable clamping plate (13), the inside of the movable clamping plate (13) is threadedly connected with a threaded rod (16), the left end of the threaded rod (16) is rotatably connected to the outer wall right side of the fixed clamping plate (12), the bottom of the fixed support (1) is slidingly connected with a sealing mechanism (2), and the sealing mechanism (2) is used for protecting the sealing test equipment.

2. A device for testing the repeated bending of a silicon steel sheet according to claim 1, characterized in that: The sealing mechanism (2) comprises a baffle (201), the baffle (201) is slidingly connected to the outer wall left and right sides of the fixed support (1), the inner wall left and right sides of the baffle (201) are provided with sliding grooves (202), the inside of the sliding groove (202) is slidingly connected with a first sliding strip (203), the first sliding strip (203) is fixedly connected to the outer wall left and right sides of the fixed support (1), the bottom of the fixed support (1) is fixedly connected with a bottom plate (204), the top of the baffle (201) is rotatably connected with a rotating shaft (205), the outer wall of the rotating shaft (205) is fixedly connected with a glass cover plate (206), and the outer wall front side of the glass cover plate (206) is fixedly connected with a handle (207).

3. The apparatus for repeated bending test of silicon steel sheet according to claim 1, wherein: The bottom of the motor (3) is provided with a buffer pad (17), and the four corners of the buffer pad (17) are fixedly connected with bolts (18).

4. The apparatus for repeated bending test of silicon steel sheet according to claim 1, characterized in that: The right end of the threaded rod (16) is fixedly connected with a handle (23), and the top of the handle (23) is provided with an anti-skid sleeve (24).

5. The apparatus for repeated bending test of silicon steel sheet according to claim 1, wherein: The inside rear side of the second fixed plate (25) is provided with an air exhaust hole (27), and the four corners of the air exhaust hole (27) are threadedly connected with bolts (26).

6. The apparatus for repeated bending test of silicon steel sheet according to claim 1, wherein: The outer wall left side of the fixed support (1) is fixedly connected with an operation table (30), the top of the operation table (30) is provided with a button (19), and the top of the button (19) is provided with a display screen (20).

7. A device for testing the repeated bending of a silicon steel sheet according to claim 2, characterized in that: The four corners of the bottom plate (204) are threadedly connected with bolts (28), and the bottom of the bolts (28) is fixedly connected with an anti-skid pad (29).

8. The apparatus for repeated bending test of silicon steel sheet according to claim 2, characterized in that: The inner left and right sides of the baffle (201) are provided with reflecting plates (21), and the inner walls of the two reflecting plates (21) are provided with lamp tubes (22).