Fluorescent magnetic particle flaw detector for bearing ring

Abstract

The utility model provides a fluorescent magnetic particle flaw detector for a bearing ring. The fluorescent magnetic particle flaw detector comprises a rack, the carrier roller mechanism is mounted on the rack and comprises a lifting assembly and a carrier roller assembly mounted on the lifting assembly, the carrier roller assembly comprises two carrier rollers with adjustable positions and a first driving part for driving the two carrier rollers to rotate, and the carrier rollers are used for supporting bearing rings; the magnet yoke mechanism is mounted on the rack above the carrier roller mechanism and comprises a U-shaped magnet yoke and a second driving part for driving the U-shaped magnet yoke to move longitudinally; the rod penetrating mechanism is mounted on the rack, can form a closed loop with the U-shaped magnet yoke, and comprises a magnet yoke penetrating rod and a third driving part for driving the magnet yoke penetrating rod to transversely move; and the liquid collecting tank is arranged on the rack below the carrier roller mechanism and is used for collecting the magnetic suspension. The flaw detection device meets the flaw detection requirements of bearing rings with multiple sizes, and the flaw detection efficiency is improved through rapid and accurate position adjustment.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the magnetic particle flaw detection technical field, concretely relates to a bearing ring fluorescent magnetic particle flaw detector. BACKGROUND

[0002] With the continuous development of industry, the requirements of corresponding industries to bearings are also continuously improved, and the internal organization quality requirements of bearing rings are more and more strict.

[0003] At present, the bearing ring flaw detector has the following two defects: 1. It cannot adapt to the flaw detection operation of various specifications of bearing rings, the flaw detection efficiency is low, and it cannot quickly respond and accurately position; 2. The longitudinal magnetic field of the existing bearing ring flaw detector adopts the U-shaped yoke induction principle, but the displacement driving device structure of the existing U-shaped yoke is complex, and the land occupation area is large, so that the overall structure of the flaw detector occupies a large land area and has large power consumption; the above technical problems are urgently solved by the technical personnel in the field. UTILITY MODEL CONTENTS

[0004] In view of the above deficiencies in the prior art, the utility model provides a bearing ring fluorescent magnetic particle flaw detector, which can quickly and accurately adjust the position to improve the efficiency of flaw detection operation.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A bearing ring fluorescent magnetic particle flaw detector, comprising a rack;

[0007] A roller mechanism is installed on the rack and comprises a lifting assembly, a roller assembly installed on the lifting assembly, the roller assembly comprising two position-adjustable rollers, and a first driving part driving the two rollers to rotate, the rollers being used to support the bearing ring;

[0008] A yoke mechanism is installed on the rack above the roller mechanism and comprises a U-shaped yoke and a second driving part driving the U-shaped yoke to move longitudinally;

[0009] A rod penetrating mechanism is installed on the rack and can form a closed loop with the U-shaped yoke and comprises a yoke rod penetrating part and a third driving part driving the yoke rod penetrating part to move transversely;

[0010] A liquid collecting tank is installed on the rack below the roller mechanism and is used to collect magnetic suspension liquid.

[0011] In a preferred embodiment of the utility model, the lifting assembly comprises a roller lifting plate, a lifting seat arranged at the lower end of the roller lifting plate and installed on the rack, and a lifting driving part installed between the roller lifting plate and the lifting seat and used to drive the roller lifting plate to move towards or away from the lifting seat;

[0012] The lifting guide is installed on the supporting roller lifting plate and penetrates the lifting seat.

[0013] In a preferred embodiment of the present application, the supporting roller assembly further comprises a fourth driving component installed on the supporting roller lifting plate, the supporting roller and the first driving component are installed on the fourth driving component through the supporting roller support plate, and the fourth driving component is used for driving the supporting roller to move towards or away from each other.

[0014] The fourth driving component comprises a first wire rail and a lead screw arranged in parallel with the first wire rail, and the two supporting roller support plates are rotatably installed on the lead screw and slidably installed on the first wire rail, and the rotation of the lead screw is driven by a third motor through chain transmission.

[0015] In a preferred embodiment of the present application, the first driving component is a first motor, and the first motor drives the rotation of the supporting roller through chain transmission.

[0016] In a preferred embodiment of the present application, the second driving component comprises a driving seat installed on the rack, a second wire rail installed on the driving seat, and a follow-up seat slidably installed on the second wire rail, a second cylinder is installed on the follow-up seat, the telescopic end of the second cylinder is connected with a stop block fixed on the second wire rail, and the U-shaped yoke is installed on the follow-up seat.

[0017] In a preferred embodiment of the present application, the third driving component comprises a rod-penetrating support seat for installing the yoke rod-penetrating rod, a third wire rail slidably installed at the lower end of the rod-penetrating support seat, and a second motor for driving the movement of the rod-penetrating support seat, a gear is connected to the output end of the second motor, and a rack is installed on the rack and engaged with the gear.

[0018] In a preferred embodiment of the present application, a darkroom is arranged outside the flaw detector, a sliding door is installed on the darkroom, and the sliding door is pushed by a third cylinder.

[0019] Advantages:

[0020] The bearing ring fluorescent magnetic powder flaw detector of the present application adopts a horizontal bed structure, the bearing ring is positioned on the supporting roller mechanism, magnetic suspension liquid is sprayed, the U-shaped yoke is driven by the second driving component to adjust the longitudinal displacement, the yoke rod-penetrating rod is driven by the third driving component to penetrate the bearing ring in the transverse direction, and the yoke rod-penetrating rod and the U-shaped yoke form a closed loop and are magnetized.

[0021] The relative position of the roller is adjustable, the bearing ring with different diameters is supported, the roller is installed on the lifting assembly, the center of the bearing ring is adjusted and kept consistent with the magnetic yoke penetrating rod, the U-shaped magnetic yoke can be adjusted longitudinally, the maximum contact surface between the bearing ring is kept, the flaw detection machine considers the flaw detection operation of the bearing rings with different specifications, and the flaw detection effect is good.

[0022] The second driving part drives the U-shaped magnetic yoke to move longitudinally along the rack, so that the bearing ring with different diameters is adapted and flaw detection is performed, the telescopic end of the second cylinder pushes the stopper, so that the follow-up seat moves along the second line rail, the U-shaped magnetic yoke is accurately positioned at the required position, the second cylinder is installed on the follow-up seat, space is not occupied alone, and the space utilization of the overall design is improved.

[0023] The precise mechanical structure and motor driving are used to realize accurate positioning of the roller, the magnetic yoke penetrating rod and the U-shaped magnetic yoke, and ensure the accuracy of the flaw detection process; the fast and accurate position adjustment improves the efficiency of the flaw detection operation. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A structure diagram of a bearing ring fluorescent magnetic particle flaw detector is provided.

[0025] Figure 2 A plan view of the roller mechanism is provided.

[0026] Figure 3 A structure diagram of the roller mechanism is provided.

[0027] Figure 4 A plan view of the magnetic yoke mechanism is provided.

[0028] Figure 5 A plan view of the penetrating rod mechanism is provided.

[0029] Figure 6 A structure diagram of the magnetic yoke mechanism is provided.

[0030] Figure 7 A structure diagram of the penetrating rod mechanism is provided.

[0031] Figure 8 A structure diagram of the darkroom is provided.

[0032] In the drawing: 1, rack;

[0033] 2, roller mechanism, 21, lifting assembly, 211, roller lifting plate, 212, lifting seat, 213, lifting driving part, 214, lifting guide part, 22, roller assembly, 221, roller, 222, first driving part, 223, fourth driving part, 224, roller support plate;

[0034] 3. Magnetic yoke mechanism, 31. U-shaped magnetic yoke, 32. Second drive component, 321. Drive seat, 322. Second linear guide, 323. Follower seat, 324. Second cylinder, 325. Stop block;

[0035] 4. Rod threading mechanism, 41. Magnetic yoke rod threading, 42. Third drive component, 421. Rod threading support, 422. Third linear guide, 423. Second motor, 424. Rack;

[0036] 5 collection tanks;

[0037] 6. Dark room. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0039] like Figures 1-5 As shown, this utility model provides a fluorescent magnetic particle flaw detector for bearing rings, including a frame 1;

[0040] The roller mechanism 2 is mounted on the frame 1 and includes a lifting assembly 21 and a roller assembly 22 mounted on the lifting assembly 21. The roller assembly 22 includes two position-adjustable rollers 221 and a first drive component 222 that drives the two rollers 221 to rotate. The rollers 221 are used to support bearing rings and the relative positions of the rollers 221 are adjustable to support bearing rings of different diameters.

[0041] The magnetic yoke mechanism 3 is mounted on the frame 1 above the roller mechanism 2, and includes a U-shaped magnetic yoke 31 and a second drive component 32 that drives the U-shaped magnetic yoke 31 to move longitudinally.

[0042] The rod threading mechanism 4 is mounted on the frame 1 and can form a closed loop with the U-shaped magnetic yoke 31. It includes the magnetic yoke threading rod 41 and a third driving component 42 that drives the magnetic yoke threading rod 41 to move laterally.

[0043] The liquid collection tank 5 is installed on the frame 1 below the roller mechanism 2 and is used to collect magnetic suspension liquid;

[0044] The working principle and beneficial effects of the above embodiments are as follows:

[0045] The utility model discloses a flaw detection machine adopts horizontal bed body structure, bearing ring is positioned on the feeding roller mechanism 2, sprays magnetic suspension, and U type yoke 31 is driven by the longitudinal displacement adjustment of second drive part 42, and yoke rod 41 is driven by the transverse displacement of third drive part 42, and bearing ring is formed with U type yoke 31 and forms closed loop, and is electrified magnetization;

[0046] Yoke rod 41 mainly is the current of magnetization transformer output, and the current is conducted to bearing ring through center conductor non-contact induction mode, and the circumferential magnetic field is formed on bearing ring, and the longitudinal direction crack (defect) detection of bearing ring is realized;Longitudinal magnetic field is U type yoke 31 induction principle, and the short circuit ring formed by bearing ring is used to form longitudinal magnetic field on bearing ring, and the transverse direction crack (defect) detection of bearing ring is realized;

[0047] The relative position of supporting roller 221 is adjustable, and is used for supporting bearing ring of different diameters, and supporting roller 221 is installed on lifting assembly 21, and is used for adjusting the center of bearing ring and yoke rod 41 to be basically consistent;U type yoke 31 can be longitudinally adjusted, and is used for keeping the maximum contact surface between bearing ring, and the flaw detection machine considers the flaw detection operation of bearing ring of each specification, and the flaw detection effect is good.

[0048] In one embodiment, as shown in Figure 3 ,

[0049] Lifting assembly 21 includes supporting roller lifting plate 211, lifting seat 212 arranged at the lower end of supporting roller lifting plate 211 and installed on rack 1, and lifting drive 213 installed between supporting roller lifting plate 211 and lifting seat 212, and lifting drive 213 is provided as a first cylinder, which is used to drive supporting roller lifting plate 211 to move towards or away from lifting seat 212, and further includes lifting guide 214 installed on supporting roller lifting plate 211 and penetrating through lifting seat 212;

[0050] Lifting seat 212 is installed on rack 1, and lifting seat 212 provides support for supporting roller lifting plate 211 and allows it to move in the vertical direction, and the first cylinder is the power source of lifting assembly 21, and by the extension and contraction of the first cylinder, supporting roller lifting plate 211 is driven to move towards or away from lifting seat 212, so as to adjust the height of supporting roller assembly 22;Lifting guide 214 ensures that supporting roller lifting plate 211 remains stable and accurately guided during lifting, prevents deviation or shaking, and ensures the lifting accuracy and stability of supporting roller assembly 22.

[0051] In one embodiment, as shown in Figures 2-3 ,

[0052] The roller assembly 22 further comprises a fourth driving component 223 mounted on the roller lifting plate 211, and the rollers 221 and the first driving component 222 are mounted on the fourth driving component 223 through a roller support plate 224, and the fourth driving component 223 is used to drive the rollers 221 to move towards or away from each other;

[0053] The fourth driving component 223 comprises a first linear rail and a lead screw parallel to the first linear rail, and the two roller support plates 224 are mounted on the lead screw and slidably mounted on the first linear rail, and the rotation of the lead screw is driven by the third motor through chain transmission;

[0054] The fourth driving component 223 is mounted on the roller lifting plate 211 and is used to drive the rollers 221 to move towards or away from each other, and the roller support plate 224 is rotatably mounted on the first linear rail through the lead screw; the rotation of the lead screw of the fourth driving component 223 is driven by the third motor through chain transmission, and the rotation of the lead screw will be converted into the linear movement of the roller support plate 224, so as to realize the relative position adjustment of the rollers 221 and accurately control the distance between the rollers 221 to adapt to bearings of different diameters.

[0055] In one embodiment,

[0056] The first driving component 222 is provided as a first motor, which drives the rotation of the rollers 221 through chain transmission;

[0057] The first motor serves as the power source of the first driving component 222, and directly drives the chain transmission, which can provide high-efficiency power transmission and reduce energy loss.

[0058] In one embodiment, as Figure 6 shown,

[0059] The second driving component 32 comprises a driving seat 321 mounted on the rack 1, a second linear rail 322 mounted on the driving seat 321, and a follower seat 323 slidably mounted on the second linear rail 322, and a second cylinder 324 mounted on the follower seat 323, and a stop block 325 fixed on the second linear rail 322 connected to the extension end of the second cylinder 324, and the U-shaped yoke 31 is mounted on the follower seat 323;

[0060] The second driving component 32 drives the U-shaped yoke 31 to move longitudinally along the rack 1 to adapt to bearings of different diameters and to perform flaw detection, and when the second cylinder 324 receives a control signal, the extension end thereof pushes the stop block 325, thereby driving the follower seat 323 to move along the second linear rail 322, and the U-shaped yoke 31 is mounted on the follower seat 323, so that the U-shaped yoke 31 is accurately positioned at the required position to perform flaw detection on the bearing ring;

[0061] The second cylinder 324 is installed on the follow-up seat 323, does not occupy space alone, and improves the space utilization of the overall design.

[0062] In one embodiment, as shown in Figure 7 ,

[0063] The third driving component 42 comprises a penetrating rod support seat 421 for mounting the magnetic yoke penetrating rod 41, a third linear rail 422 slidingly mounted at the lower end of the penetrating rod support seat 421, and a second motor 423 for driving the penetrating rod support seat 421 to move, wherein a gear is connected to the output end of the second motor 423, and a rack 424 is mounted on the rack 1 and engaged with the gear;

[0064] The second motor 423 is used for driving the penetrating rod support seat 421 to move along the third linear rail 422, and a gear is connected to the output end of the second motor 423, so as to realize linear motion through the engagement of the gear and the rack 424; the movement of the penetrating rod support seat 421 drives the magnetic yoke penetrating rod 41 to move along the transverse direction of the rack 1, and the flaw detection operation is performed.

[0065] In one embodiment, as shown in Figure 8 ,

[0066] A darkroom 6 is arranged outside the flaw detector, and a sliding door is mounted on the darkroom 6, wherein the sliding door is driven by a third cylinder.

[0067] The darkroom 6 is arranged outside the flaw detector, so that the operator can clearly observe the distribution of fluorescent magnetic powder on the surface of the bearing ring during the fluorescent magnetic powder flaw detection process; the sliding door on the darkroom is designed to allow the operator to conveniently enter and leave the darkroom, and the sealing property of the darkroom is maintained when not in use; the sliding door of the darkroom 6 of the flaw detector can be automatically controlled, and the convenience and safety of operation are improved.

[0068] In summary,

[0069] The utility model discloses a bearing ring fluorescent magnetic powder flaw detector adopts horizontal lathe bed structure, and bearing ring is positioned on the roller mechanism, sprays magnetic suspension, and U type magnetic yoke is driven by the second driving component and adjusts longitudinal displacement, and the magnetic yoke penetrating rod is driven by the third driving component and is arranged in the bearing ring, and forms closed loop with U type magnetic yoke and is electrified magnetization.

[0070] The relative position of the roller can be adjusted, and the roller is used for supporting the bearing ring with different diameters, and the roller is installed on the lifting assembly and is used for adjusting the center of the bearing ring to be consistent with the magnetic yoke penetrating rod; the U type magnetic yoke can be adjusted longitudinally, and is used for keeping the maximum contact surface between the U type magnetic yoke and the bearing ring, and the flaw detector can be used for the flaw detection operation of the bearing ring with different specifications, and the flaw detection effect is good.

[0071] The utility model discloses through the accurate mechanical structure and motor drive, realize the accurate positioning of the roller, the magnetic yoke and U type magnetic yoke, ensure the accuracy of the flaw detection process, the quick and accurate position adjustment improves the efficiency of flaw detection operation, reduces the downtime caused by adjusting equipment.

[0072] The basic principle, main features and advantages of the utility model are shown and described above, and the front, back, left and right used in the text are not specific, and are mainly for more intuitive description of the technical scheme, and do not have a limiting effect. The skilled person in the industry should understand that the above implementation mode is only for describing the technical concept and characteristics of the utility model, and its purpose is to enable persons skilled in the art to understand the content of the utility model and implement it, and it cannot limit the protection scope of the utility model, and any equivalent change or modification according to the spirit and essence of the utility model should be covered in the protection scope of the utility model.

Claims

1. A bearing ring fluorescent magnetic particle inspection machine characterized by: It comprises a rack (1); A roller mechanism (2) is installed on the rack (1) and comprises a lifting assembly (21), a roller assembly (22) installed on the lifting assembly (21), two position-adjustable rollers (221) in the roller assembly (22), and a first driving component (222) for driving the two rollers (221) to rotate, wherein the rollers (221) are used to support the bearing ring; A magnetic yoke mechanism (3) is installed on the rack (1) above the roller mechanism (2) and comprises a U-shaped magnetic yoke (31) and a second driving component (32) for driving the U-shaped magnetic yoke (31) to move longitudinally; A rod passing mechanism (4) is installed on the rack (1) and can form a closed loop with the U-shaped magnetic yoke (31) and comprises a magnetic yoke rod passing part (41) and a third driving component (42) for driving the magnetic yoke rod passing part (41) to move transversely; A liquid collecting tank (5) is installed on the rack (1) below the roller mechanism (2) and is used to collect magnetic suspension liquid.

2. The bearing ring fluorescent magnetic particle inspection machine of claim 1, wherein: The lifting assembly (21) comprises a roller lifting plate (211), a lifting seat (212) arranged at the lower end of the roller lifting plate (211) and installed on the rack (1), and a lifting driving component (213) installed between the roller lifting plate (211) and the lifting seat (212) and used to drive the roller lifting plate (211) to move towards or away from the lifting seat (212); It also comprises a lifting guide component (214) installed on the roller lifting plate (211) and penetrating through the lifting seat (212).

3. The bearing ring fluorescent magnetic particle inspection machine of claim 2, wherein: The roller assembly (22) further comprises a fourth driving component (223) installed on the roller lifting plate (211), and the rollers (221) and the first driving component (222) are installed on the fourth driving component (223) through a roller support plate (224), and the fourth driving component (223) is used to drive the rollers (221) to move towards or away from each other; The fourth driving component (223) comprises a first wire rail and a lead screw parallel to the first wire rail, and the two roller support plates (224) are rotatably installed on the lead screw and slidably installed on the first wire rail, and a third motor drives the rotation of the lead screw through chain transmission.

4. The bearing ring fluorescent magnetic particle inspection machine of claim 1, wherein: The first driving component (222) is a first motor, which drives the rotation of the rollers (221) through chain transmission.

5. The bearing ring fluorescent magnetic particle inspection machine of claim 1, wherein: The second driving component (32) comprises a driving seat (321) installed on the rack (1), a second wire rail (322) installed on the driving seat (321), and a follower seat (323) slidably installed on the second wire rail (322), a second cylinder (324) is installed on the follower seat (323), the extension end of the second cylinder (324) is connected with a stop block (325) fixed on the second wire rail (322), and the U-shaped magnetic yoke (31) is installed on the follower seat (323).

6. The bearing ring fluorescent magnetic particle inspection machine of claim 1, wherein: The third driving component (42) comprises a rod passing support seat (421) for mounting the magnetic yoke rod (41), a third wire rail (422) slidingly mounted at the lower end of the rod passing support seat (421), and a second motor (423) for driving the rod passing support seat (421) to move, a gear is connected at the output end of the second motor (423), and a rack (424) engaged with the gear is mounted on the frame (1).

7. The bearing ring fluorescent magnetic particle inspection machine of claim 1 wherein: A darkroom (6) is arranged outside the flaw detector, and a sliding door is mounted on the darkroom (6), and the sliding door is pushed by a third cylinder.

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