Magnetic powder inspection device for large bearing roller

Abstract

The utility model relates to the field of bearing roller flaw detection, and discloses a large bearing roller magnetic powder flaw detection device which comprises a workbench, the upper portion of the workbench is fixedly connected with a bearing frame, the left side of the bearing frame is fixedly connected with a motor, and the output end of the motor is fixedly connected with a threaded rod. The outer portion of the threaded rod is in threaded connection with a threaded block, the upper portion of the threaded block is fixedly connected with a limiting block, the lower portion of the threaded block is fixedly connected with a spray head, the upper portion of the bearing frame is fixedly connected with a storage tank, and the left side of the storage tank is fixedly connected with a discharging pipe. According to the magnetic powder spraying device, bearing rollers with different lengths can be conveniently clamped and fixed, magnetic powder can be uniformly sprayed on the surfaces of the bearing rollers, defects of the bearing rollers can be conveniently and rapidly observed, and the used magnetic powder can be recycled and reused to reduce waste.

Description

Technical Field

[0001] The utility model relates to the field of bearing roller flaw detection, in particular to a large-scale bearing roller magnetic particle flaw detection device. Background Art

[0002] Roller bearings are a type of rolling bearings and are one of the most widely used components in modern machinery. They rely on rolling contact between the main components to support rotating parts. Most roller bearings are now standardized. Roller bearings have the advantages of small starting torque, high rotation accuracy, and easy selection.

[0003] After searching, the announcement number CN213148805U discloses a large-scale bearing roller magnetic particle flaw detection device. Although the patent technology has a shell with an open upper end face; the upper part of the inner wall surfaces on both sides of the shell corresponding to each other is provided with a guide groove; an adjustment bolt is arranged between the inner wall surfaces on both sides of the shell corresponding to each other; two adjustment nuts matching with it are sleeved on the adjustment bolt; the two adjustment nuts are structures that move closer or farther away under the action of rotating the adjustment bolt left and right; the two adjustment nuts are hinged to the lifting blocks arranged in the shell through the corresponding support arms respectively; both ends of the lifting block have sliding ears that slidably match the corresponding guide grooves on the shell; the lifting block is a structure that can be lifted up and down driven by the adjusting nut; a supporting block for supporting the roller is arranged on the upper part of the lifting block; the magnetic particle flaw detection device is two sets arranged on the left and right. The utility model reduces sparking and burning of rollers during magnetic particle flaw detection and expands the detection range. However, when in use, the above-mentioned device directly places the magnetized bearing rollers into the magnetic powder groove for flaw detection, which is not convenient for tightening the bearing rollers and spraying magnetic powder evenly on their outer walls, resulting in incomplete flaw detection of the bearing rollers. Therefore, those skilled in the art provide a large-scale magnetic particle flaw detection device for bearing rollers to solve the problems raised in the above-mentioned background technology. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a large-scale bearing roller magnetic particle flaw detection device, which aims to improve the problem in the prior art that when in use, the magnetized bearing roller is directly placed in the magnetic powder groove for flaw detection, which makes it inconvenient to tighten the bearing roller and evenly spray magnetic powder on its outer wall.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a large-scale bearing roller magnetic particle flaw detection device, comprising a workbench, the upper part of the workbench is fixedly connected to a carrier frame, the left side of the carrier frame is fixedly connected to a motor, the output end of the motor is fixedly connected to a threaded rod, the external thread of the threaded rod is connected to a threaded block, the upper part of the threaded block is fixedly connected to a limiting block, the lower part of the threaded block is fixedly connected to a nozzle, the upper part of the carrier frame is fixedly connected to a storage tank, the left side of the storage tank is fixedly connected to a discharge pipe, the left end of the discharge pipe is fixedly connected to a suction pump, the output end of the suction pump is fixedly connected to a hose, the rear end of the hose is fixedly connected to a nozzle, and both sides of the carrier frame are fixedly connected to clamping assemblies.

[0006] Furthermore, the clamping assembly includes a first hydraulic rod, which is fixedly connected to both sides of the supporting frame, and the output end of the first hydraulic rod is fixedly connected to the fixing frame, the inner sides of the fixing frame are fixedly connected to the telescopic rod, the outside of the telescopic rod is provided with a first spring, and the output end of the telescopic rod is fixedly connected to the clamping plate.

[0007] Furthermore, a groove is opened on the upper side of the workbench, a filter plate is arranged on the upper side of the inner part of the groove, collecting components are fixedly connected to both sides of the inner part of the groove, a collecting box is fixedly connected to the adjacent side of the collecting component, and a pull rod is fixedly connected to the front side of the collecting box.

[0008] Furthermore, the collecting assembly includes a second hydraulic rod, the second hydraulic rod is fixedly connected to both sides of the inside of the groove, the output end of the second hydraulic rod is fixedly connected to a sliding block, and a second spring is arranged outside the second hydraulic rod.

[0009] Furthermore, the sliding block is slidably connected to the inner lower side of the groove.

[0010] Furthermore, the limiting block is slidably connected to the inside of the limiting groove, and the limiting groove is arranged on the inner upper side of the supporting frame.

[0011] Furthermore, the collection box is slidably connected inside the groove.

[0012] Furthermore, the material extraction pump is fixedly connected to the upper part of the supporting frame.

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

[0014] 1. In the utility model, by using the coordination among the structures such as the clamping plate, the telescopic rod, the first spring, the motor, the threaded rod, the threaded block, the nozzle, the limit block, the extraction pump, the storage tank, the discharge pipe, and the hose, it is possible to conveniently clamp and fix the bearing rollers of different lengths, and to spray the magnetic powder evenly on the surface of the bearing rollers, so as to facilitate quick observation and reveal the defects of the bearing rollers.

[0015] 2. In the utility model, by using the filter plate, the collecting box, the second hydraulic rod, the sliding block, the groove, the second spring and other structures in coordination, the used magnetic powder can be recovered and reused to reduce waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a large bearing roller magnetic particle flaw detection device proposed by the utility model;

[0017] Figure 2 This is a cross-sectional view of a large bearing roller magnetic particle flaw detection device proposed by the utility model;

[0018] Figure 3 This is a partial structural schematic diagram of a large bearing roller magnetic particle flaw detection device proposed by the utility model;

[0019] Figure 4 for Figure 1 Enlarged view of point A in .

[0020] Legend:

[0021] 1. Workbench; 2. Carrying frame; 3. Motor; 4. Threaded rod; 5. Threaded block; 6. Nozzle; 7. Storage tank; 8. Discharge pipe; 9. Suction pump; 10. Hose; 11. Pull rod; 12. First hydraulic rod; 13. Fixed frame; 14. Telescopic rod; 15. First spring; 16. Clamp; 17. Limit block; 18. Limit groove; 19. Groove; 20. Filter plate; 21. Second hydraulic rod; 22. Second spring; 23. Sliding block; 24. Collection box. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1 , Figure 2 , Figure 4The utility model provides an embodiment: a large bearing roller magnetic particle flaw detection device, including a workbench 1, the upper part of the workbench 1 is fixedly connected to a carrier frame 2, the left side of the carrier frame 2 is fixedly connected to a motor 3, the output end of the motor 3 is fixedly connected to a threaded rod 4, the external thread of the threaded rod 4 is connected to a threaded block 5, the upper part of the threaded block 5 is fixedly connected to a limited block 17, the lower part of the threaded block 5 is fixedly connected to a nozzle 6, the upper part of the carrier frame 2 is fixedly connected to a storage tank 7, the left side of the storage tank 7 is fixedly connected to a discharge pipe 8, the left side of the discharge pipe 8 The end is fixedly connected to a suction pump 9, the output end of the suction pump 9 is fixedly connected to a hose 10, the rear end of the hose 10 is fixedly connected to a nozzle 6, and both sides of the carrier frame 2 are fixedly connected to clamping assemblies; the clamping assembly includes a first hydraulic rod 12, the first hydraulic rod 12 is fixedly connected to both sides of the carrier frame 2, the output end of the first hydraulic rod 12 is fixedly connected to a fixed frame 13, the inside of the fixed frame 13 is fixedly connected to telescopic rods 14 on both sides, the outside of the telescopic rod 14 is provided with a first spring 15, and the output end of the telescopic rod 14 is fixedly connected to a clamping plate 16.

[0024] By placing the bearing roller inside the clamp 16, the telescopic rod 14 and the first spring 15 are squeezed, and then the motor 3 is started to drive the threaded rod 4 to rotate. The rotation of the threaded rod 4 drives the threaded block 5 and the nozzle 6 to move. At the same time, the movement of the threaded block 5 drives the limit block 17 to slide inside the limit groove 18. The discharge pipe 8 is driven by the suction pump 9 to extract the storage tank 7. The magnetic powder enters the hose 10 and the nozzle 6 from the discharge pipe 8, and then is sprayed out from the nozzle 6. This makes it convenient to clamp and fix bearing rollers of different lengths, and can evenly spray the magnetic powder on the surface of the bearing roller.

[0025] Reference Figure 2 , Figure 3 , Figure 4 A groove 19 is provided on the upper side of the workbench 1, a filter plate 20 is arranged on the upper side of the inner part of the groove 19, collecting components are fixedly connected on both sides of the inner part of the groove 19, a collecting box 24 is fixedly connected on the adjacent side of the collecting component, and a pull rod 11 is fixedly connected on the front side of the collecting box 24; the collecting component includes a second hydraulic rod 21, the second hydraulic rod 21 is fixedly connected to both sides of the inner part of the groove 19, a sliding block 23 is fixedly connected to the output end of the second hydraulic rod 21, and a second spring 22 is arranged on the outside of the second hydraulic rod 21.

[0026] The magnetic powder falls into the filter plate 20 and the collecting box 24, and the second hydraulic rod 21 is activated to drive the sliding block 23 and the collecting box 24 to move inside the groove 19, and at the same time drives the second spring 22 to stretch, so that the used magnetic powder can be recovered and reused.

[0027] Reference Figure 1 , Figure 2 , Figure 3 The sliding block 23 is slidably connected to the lower side of the groove 19; the limiting block 17 is slidably connected to the inside of the limiting groove 18, and the limiting groove 18 is arranged on the upper side of the inner part of the supporting frame 2; the collecting box 24 is slidably connected to the inside of the groove 19; the suction pump 9 is fixedly connected to the upper part of the supporting frame 2.

[0028] The sliding block 23 is slidably connected to the lower side of the groove 19, thereby driving the collection box 24 to move; the limiting block 17 is slidably connected to the inside of the limiting groove 18, and the limiting groove 18 is arranged on the upper side of the inner part of the supporting frame 2, thereby supporting and limiting the threaded block 5; the collecting box 24 is slidably connected to the inside of the groove 19, thereby facilitating the collection of magnetic powder; the extraction pump 9 is fixedly connected to the upper part of the supporting frame 2, thereby fixing the extraction pump 9.

[0029] Working principle: When using this device, first place the bearing roller inside the clamping plate 16. The clamping plate 16 generates a reaction force when clamping the bearing roller, squeezing the telescopic rod 14 and the first spring 15. Then, by starting the motor 3, the motor 3 starts to drive the threaded rod 4 to rotate. The rotation of the threaded rod 4 drives the threaded block 5 to move. The movement of the threaded block 5 drives the nozzle 6 to move. At the same time, the movement of the threaded block 5 drives the limit block 17 to slide inside the limit groove 18. By starting the extraction pump 9, the extraction pump 9 starts to drive the discharge pipe 8 to extract the storage tank 7. The magnetic powder enters the hose 10 from the inside of the discharge pipe 8 through the extraction pump 9, and enters the inside of the nozzle 6 from the inside of the hose 10. , and then sprayed out from the inside of the nozzle 6, which makes it convenient to clamp and fix bearing rollers of different lengths, and can evenly spray the magnetic powder on the surface of the bearing roller, which is convenient for quick observation of the defects of the bearing roller. When the bearing roller is sprayed, the magnetic powder falls into the inside of the filter plate 20, and enters the inside of the collection box 24 from the inside of the filter plate 20. When the magnetic powder in the collection box 24 is full, the second hydraulic rod 21 is started, and the second hydraulic rod 21 is started to drive the sliding block 23 to slide in the groove 19. The movement of the sliding block 23 drives the collection box 24 to move, and at the same time drives the second spring 22 to stretch, so that the used magnetic powder can be recycled and reused to reduce waste.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A large-scale bearing roller magnetic particle flaw detection device, comprising a workbench (1), characterized in that: The upper part of the workbench (1) is fixedly connected to a carrier frame (2), the left side of the carrier frame (2) is fixedly connected to a motor (3), the output end of the motor (3) is fixedly connected to a threaded rod (4), the external thread of the threaded rod (4) is connected to a threaded block (5), the upper part of the threaded block (5) is fixedly connected to a limit block (17), the lower part of the threaded block (5) is fixedly connected to a nozzle (6), the upper part of the carrier frame (2) is fixedly connected to a storage tank (7), the left side of the storage tank (7) is fixedly connected to a discharge pipe (8), the left end of the discharge pipe (8) is fixedly connected to a pump (9), and the pump (9) The output end of the support frame (9) is fixedly connected to a hose (10), the rear end of the hose (10) is fixedly connected to a nozzle (6), both sides of the support frame (2) are fixedly connected to clamping assemblies, the clamping assemblies include a first hydraulic rod (12), the first hydraulic rod (12) is fixedly connected to both sides of the support frame (2), the output end of the first hydraulic rod (12) is fixedly connected to a fixed frame (13), both sides of the interior of the fixed frame (13) are fixedly connected to telescopic rods (14), the outside of the telescopic rod (14) is provided with a first spring (15), and the output end of the telescopic rod (14) is fixedly connected to a clamping plate (16).

2. A large bearing roller magnetic particle flaw detection device according to claim 1, characterized in that: A groove (19) is provided on the upper side of the workbench (1), a filter plate (20) is provided on the upper side of the interior of the groove (19), collecting components are fixedly connected to both sides of the interior of the groove (19), a collecting box (24) is fixedly connected to the adjacent side of the collecting component, and a pull rod (11) is fixedly connected to the front side of the collecting box (24).

3. A large bearing roller magnetic particle flaw detection device according to claim 2, characterized in that: The collecting assembly comprises a second hydraulic rod (21), the second hydraulic rod (21) is fixedly connected to both sides of the inside of the groove (19), the output end of the second hydraulic rod (21) is fixedly connected to a sliding block (23), and a second spring (22) is arranged outside the second hydraulic rod (21).

4. A large bearing roller magnetic particle flaw detection device according to claim 3, characterized in that: The sliding block (23) is slidably connected to the inner lower side of the groove (19).

5. The large-scale bearing roller magnetic particle flaw detection device according to claim 1 is characterized in that: The limiting block (17) is slidably connected inside a limiting groove (18), and the limiting groove (18) is arranged on the inner upper side of the supporting frame (2).

6. A large bearing roller magnetic particle flaw detection device according to claim 2, characterized in that: The collection box (24) is slidably connected inside the groove (19).

7. The large-scale bearing roller magnetic particle flaw detection device according to claim 1 is characterized in that: The material extraction pump (9) is fixedly connected to the upper part of the supporting frame (2).

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