High-precision detection equipment for bearing ring

Abstract

The utility model relates to the bearing ring detection field, and discloses a bearing ring high precision detection device comprising a fixed rack and a rotating rack, the periphery of the rotating rack is provided with the fixed rack, the bottom of the rotating rack is provided with a pedestal supported on the ground, and a steering motor is fixed in the pedestal; an output shaft of the steering motor is fixedly connected to a placement table upwards, a bearing ring to-be-detected piece is placed at the top of the placement table, a vertical frame standing on the ground is arranged at the front end of the fixing frame, and a lifting motor is fixedly connected to the top end in the vertical frame. According to the high-precision detection equipment for the bearing ring, the rotating stand is arranged, the CCD detection head adopts a high-resolution imaging technology, the surface of a to-be-detected part of the bearing ring is shot frame by frame in the rotating process, image data are processed in real time by operating a display, and high-precision and high-efficiency outer wall full-coverage detection is realized by combining automatic rotation and lifting adjustment; and the problem of false detection rate caused by artificial misjudgment is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing ring detection technical field, concretely is a kind of bearing ring high-precision detection equipment. BACKGROUND

[0002] Bearing ring is the key component of bearing, usually divided into inner ring and outer ring, mainly used to support rolling body and provide rotation accuracy, the outer surface of ring must have very high machining precision and surface finish, so the detection of surface quality is particularly important.

[0003] Large-size bearing ring outer surface detection mainly relies on manual detection equipment, such as portable magnifying glass, hand-held CCD detector or visual detection, however, due to the size of bearing ring is larger, detection personnel need to rotate around bearing ring to complete the detection of full surface, this way is not only inefficient, and detection coverage is not necessarily high, prone to detection blind area, experience, angle, illumination condition and other factors of detection staff can affect the accuracy of detection, leading to higher false detection rate of human error. Therefore, a kind of bearing ring high-precision detection equipment is needed, to solve the above technical defects. SUMMARY

[0004] The utility model aims at providing a kind of bearing ring high-precision detection equipment to solve the false detection rate of human error problem in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of bearing ring high-precision detection equipment, including fixed frame and rotary table, the rotary table periphery is provided with fixed frame, the rotary table bottom is installed with the base supported on ground, the base is fixed with steering motor, the output shaft of steering motor is fixedly connected to placement table upwards, the placement table top is placed with bearing ring to be detected piece, the fixed frame front end is provided with vertical frame standing on ground, the vertical frame inside top is fixedly connected with lifting motor, the output shaft of lifting motor is fixedly connected with ball screw, ball screw is sleeved with screw nut outside, the fixed platform is fixedly connected on the outer wall of screw nut, the CCD detection head is fixedly connected on the fixed platform top, the CCD detection head detection sensor is towards bearing ring to be detected piece direction.

[0006] As a further technical scheme of the utility model, the range of rotation of the placement table at the rotary table is 0-360° in horizontal direction, and the range of lifting height of the CCD detection head covers the height of the bearing ring to be detected.

[0007] As a further technical scheme of the utility model, the vertical frame inner wall is provided with a sliding groove, one end of the screw nut is welded with a sliding block, and the sliding block is embedded in the sliding groove for lifting movement.

[0008] As a further technical scheme of the utility model, the rotating frame top and bottom two sides are fixed with fixers, the rotating frame is assembled with the rolling axle through the fixer, the fixed frame top and bottom are provided with tracks along the inner side edges, and the rolling axle and the track constitute rolling connection respectively.

[0009] As a further technical scheme of the utility model, the rotating frame and the fixed frame are not in contact, and the vertical frame and the fixed frame are not in contact.

[0010] As a further technical scheme of the utility model, the fixed frame bottom is fixedly connected with the mounting frame, the mounting frame right wall is fixedly connected with the servo motor, the servo motor output shaft is fixedly connected with the threaded rod, the threaded rod outside two sides are each sleeved with a group of threaded blocks, the base top end is fixedly connected with a group of push rods, and the push rod outer wall is fixedly connected with the arc plate.

[0011] As a further technical scheme of the utility model, the threaded rod is located between the base and the vertical frame, the push rod is '' L '' type and is provided with the reversible hinge base in the middle part, and the two groups of arc plates are distributed in the center of the bearing ring symmetrically.

[0012] As a further technical scheme of the utility model, the fixed frame right side is provided with the controller, and the fixed frame left side is provided with the operation display.

[0013] Compared with the prior art, the utility model has the advantages that the bearing ring high-precision detection equipment not only realizes high-precision, high-efficiency outer wall full coverage detection, reduces the false detection rate of human error, improves the durability and detection precision of the device, and realizes automatic centering adjustment, avoids uneven rotation or detection error caused by deviation in placement.

[0014] (1) through setting up rotating frame, fixed frame, operation display, bearing ring detection piece, fixed platform, vertical frame, sliding block, sliding slot, placing table, controller, lifting motor, CCD detection head, screw nut, ball screw, push rod, steering motor, the steering motor in the base drives the rotating frame to rotate slowly horizontally, the rotating frame rotates in the inner wall of the fixed frame, the lifting motor at the vertical frame drives the screw nut to lift, makes the detection head move along the height direction of the bearing ring detection piece, the CCD detection head adopts high-resolution imaging technology, and the surface of the bearing ring detection piece is photographed frame by frame in the process of rotation, the imaging of the CCD detection head accurately captures the surface tiny defects, such as scratch, depression, surface unevenness or microcracks, the operation display processes image data in real time, and high-precision, high-efficiency outer wall full coverage detection is realized through automatic rotation and lifting adjustment, and the false detection rate of human error is reduced.

[0015] (2) By being provided with the rolling shaft, the track, the cooperation of the rolling shaft and the track, the rotating frame keeps stable in the rotating process, avoids the image shaking or displacement deviation in the CCD detection process caused by the rotating shaking, the rotating frame can realize 360° non-interference rotation in the horizontal direction, meanwhile, the friction resistance possibly generated in the rotating process is reduced, the durability and the detection precision of the device are improved;

[0016] (3) By being provided with the servo motor, the mounting frame, the threaded block, the base, the threaded rod, the push rod, the arc plate, before placing the bearing ring to be detected, the push rod is in the forward folding state, after placing the bearing ring to be detected on the placing table, the push rod is opened upwards, the servo motor is started, the two groups of threaded blocks are driven to be synchronously and reversely translated through the threaded rod, the arc plate is abutted from the inner wall to the bearing ring to be detected, the placing position of the bearing ring to be detected is corrected to be located at the top center of the placing table, the automatic centering adjustment is realized, the uneven rotation or the detection error caused by the placing deviation is avoided, and the subsequent detection is more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view structural schematic diagram of the utility model;

[0018] Figure 2 It is a rear view structural schematic diagram of the vertical frame of the utility model;

[0019] Figure 3 It is a front view structural schematic diagram of the threaded rod of the utility model;

[0020] Figure 4 It is a top view structural schematic diagram of the arc plate of the utility model;

[0021] Figure 5 It is a top view structural schematic diagram of the rotating frame of the utility model;

[0022] Figure 6 It is a front view structural schematic diagram of the rotating frame of the utility model.

[0023] In the drawing: 1, rotating frame; 2, fixed frame; 3, fixer; 4, rolling shaft; 5, operation display; 6, bearing ring to be detected; 7, fixed platform; 8, vertical frame; 9, sliding block; 10, sliding groove; 11, placing table; 12, controller; 13, servo motor; 14, mounting frame; 15, threaded block; 16, base; 17, threaded rod; 18, lifting motor; 19, CCD detection head; 20, screw nut; 21, ball screw; 22, push rod; 23, arc plate; 24, track; 25, steering motor. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] Please refer to Figures 1-6 The present application provides an embodiment: a high-precision bearing ring detection device, comprising a fixed frame 2 and a rotating frame 1, the rotating frame 1 is provided with a fixed frame 2 on the periphery, the rotating frame 1 is provided with a base 16 supported on the ground at the bottom, the base 16 is fixedly provided with a steering motor 25, the output shaft of the steering motor 25 is fixedly connected to a placing table 11 in the upward direction, the bearing ring to be detected 6 is placed on the top of the placing table 11, the front end of the fixed frame 2 is provided with a vertical frame 8 standing on the ground, the vertical frame 8 is fixedly connected with a lifting motor 18 at the top inside, the output shaft of the lifting motor 18 is fixedly connected with a ball screw 21, the ball screw 21 is externally sleeved with a screw nut 20, the outer wall of the screw nut 20 is fixedly connected with a fixed platform 7, the top of the fixed platform 7 is fixedly connected with a CCD detection head 19, the detection sensor of the CCD detection head 19 faces the direction of the bearing ring to be detected 6, the rotating range of the placing table 11 at the rotating frame 1 is the horizontal direction 0-360°, the lifting height range of the CCD detection head 19 covers the height of the bearing ring to be detected 6, the right side of the fixed frame 2 is provided with a controller 12, and the left side of the fixed frame 2 is provided with an operation display 5.

[0026] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 5 and Figure 6 , the bearing ring to be detected 6 is placed on the placing table 11, during detection, the steering motor 25 in the base 16 drives the rotating frame 1 to slowly rotate horizontally, the rotating frame 1 rotates on the inner wall of the fixed frame 2, the lifting motor 18 at the vertical frame 8 drives the screw nut 20 to lift, so that the detection head moves along the height direction of the bearing ring to be detected 6, the CCD detection head 19 adopts high-resolution imaging technology, and the surface of the bearing ring to be detected 6 is photographed frame by frame in the rotating process, the imaging of the CCD detection head 19 accurately captures the small defects on the surface, such as scratches, depressions, uneven surface or micro-cracks, the CCD detection head 19, the steering motor 25 and the servo motor 13 are electrically connected with the controller 12, the controller 12 transmits data to the operation display 5 in real time and analyzes through the matching software, the control relationship between the CCD detection head 19, the steering motor 25, the servo motor 13 and the controller 12 belongs to a conventional technical means, and this part of the control relationship is not the improvement point of the present application.

[0027] The inner wall of the vertical frame 8 is provided with a sliding groove 10, and one end of the screw nut 20 is welded with a sliding block 9 which is embedded in the sliding groove 10 and moves up and down. The top and bottom of the rotating frame 1 are respectively fixed with a fixer 3, and the rotating frame 1 is assembled with a roller shaft 4 through the fixer 3. The top and bottom of the fixed frame 2 are provided with a track 24 along the inner side edge thereof, and the roller shaft 4 and the track 24 respectively constitute a rolling connection. The rotating frame 1 and the fixed frame 2 are not in contact, and the vertical frame 8 and the fixed frame 2 are not in contact.

[0028] Specifically, as shown in Figure 1 、 Figure 5 and Figure 6 , the cooperation of the roller shaft 4 and the track 24 makes the rotating frame 1 stable during rotation, avoiding image jitter or displacement deviation in the CCD detection process due to rotation shaking. The rotating frame 1 can realize 360° non-interference rotation in the horizontal direction, while reducing the frictional resistance that may be generated during rotation.

[0029] The fixed frame 2 is fixedly connected with a mounting frame 14, the right wall of the mounting frame 14 is fixedly connected with a servo motor 13, the output shaft of the servo motor 13 is fixedly connected with a threaded rod 17, and the outer two sides of the threaded rod 17 are respectively sleeved with a group of threaded blocks 15. The top end of the base 16 is fixedly connected with a group of push rods 22, the outer wall of the push rod 22 is fixedly connected with an arc plate 23, the threaded rod 17 is located between the base 16 and the vertical frame 8, the push rod 22 is "L" type and is provided with a reversible hinge seat at the middle part, and the two groups of arc plates 23 are distributed symmetrically about the bearing ring to be detected 6;

[0030] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , before placing the bearing ring to be detected 6, the push rod 22 is in a forward folding state. After placing the bearing ring to be detected 6 on the placement table 11, the push rod 22 is opened upward, the servo motor 13 is started, and the two groups of threaded blocks 15 are driven by the threaded rod 17 to move in opposite directions synchronously. The arc plate 23 abuts against the inner wall and the bearing ring to be detected 6, and the placement position of the bearing ring to be detected 6 is corrected to be located at the top center of the placement table 11, so as to realize automatic centering adjustment.

[0031] Working principle: before placing the bearing ring workpiece 6, the push rod 22 is folded forward, after placing the bearing ring workpiece 6 on the placing table 11, open the push rod 22 upward, start the servo motor 13, drive two groups of threaded blocks 15 to move synchronously and reversely through the threaded rod 17, the arc plate 23 abuts against the inner wall and the bearing ring workpiece 6, correct the position of the bearing ring workpiece 6 to the center of the top of the placing table 11, realize automatic centering adjustment, during detection, the steering motor 25 in the base 16 drives the rotating frame 1 to rotate slowly and horizontally, the rotating frame 1 rotates in the inner wall of the fixed frame 2, the cooperation of the roller 4 and the track 24 makes the rotating frame 1 keep stable during rotation, avoids image jitter or displacement deviation in the CCD detection process caused by rotation shaking, the rotating frame 1 can realize 360° non-interference rotation in the horizontal direction, and the friction resistance generated in the rotation process is reduced, the lifting motor 18 at the vertical frame 8 drives the screw nut 20 to lift, so that the detection head moves along the height direction of the bearing ring workpiece 6, the CCD detection head 19 adopts high-resolution imaging technology, and the surface of the bearing ring workpiece 6 is photographed frame by frame during rotation, the imaging of the CCD detection head 19 accurately captures the small defects on the surface, such as scratches, depressions, uneven surface or microcracks, and the image data is processed in real time through the operation of the display 5, combined with automatic rotation and lifting adjustment, realizes high-precision and high-efficiency outer wall full coverage detection.

[0032] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A high-precision detection equipment for bearing ring, comprising a fixed frame (2) and a rotating frame (1), characterized in that: The rotating frame (1) is provided with a fixed frame (2), the bottom of the rotating frame (1) is provided with a base (16) supported on the ground, the base (16) is fixedly provided with a steering motor (25), the output shaft of the steering motor (25) is fixedly connected to an upper placing table (11), the top of the placing table (11) is provided with a bearing ring to be detected (6), the front end of the fixed frame (2) is provided with a vertical frame (8) standing on the ground, the inside top of the vertical frame (8) is fixedly connected with a lifting motor (18), the output shaft of the lifting motor (18) is fixedly connected with a ball screw (21), the outside of the ball screw (21) is sleeved with a screw nut (20), the outer wall of the screw nut (20) is fixedly connected with a fixed platform (7), the top of the fixed platform (7) is fixedly connected with a CCD detection head (19), and the detection sensor of the CCD detection head (19) faces the direction of the bearing ring to be detected (6).

2. The high-precision bearing ring detection device according to claim 1, wherein: The rotating range of the placing table (11) at the rotating frame (1) is 0-360° in the horizontal direction, and the lifting height range of the CCD detection head (19) covers the height of the bearing ring to be detected (6).

3. The high-precision bearing ring detection device according to claim 1, characterized in that: The vertical frame (8) is provided with a sliding groove (10) in the inner wall, and one end of the screw nut (20) is welded with a sliding block (9), which is embedded in the sliding groove (10) and moves up and down.

4. The high-precision bearing ring detection device according to claim 1, characterized in that: The top and bottom of the rotating frame (1) are respectively fixed with a fixer (3), the rotating frame (1) is provided with a roller (4) through the fixer (3), the top and bottom of the fixed frame (2) are provided with a track (24) along the inner side edge, and the roller (4) and the track (24) respectively constitute a rolling connection.

5. The high-precision bearing ring detection device according to claim 1, wherein: The rotating frame (1) is not in contact with the fixed frame (2), and the vertical frame (8) is not in contact with the fixed frame (2).

6. The high-precision bearing ring detection device according to claim 1, wherein: The bottom of the fixed frame (2) is fixedly connected with a mounting frame (14), the right wall of the mounting frame (14) is fixedly connected with a servo motor (13), the output shaft of the servo motor (13) is fixedly connected with a threaded rod (17), the outside of the threaded rod (17) is sleeved with a group of threaded blocks (15), the top of the base (16) is fixedly connected with a group of push rods (22), and the outer wall of the push rod (22) is fixedly connected with an arc plate (23).

7. The high-precision bearing ring inspection apparatus of claim 6, wherein: The threaded rod (17) is located between the base (16) and the vertical frame (8), the push rod (22) is "L" shaped and is provided with a reversible hinge seat at the middle part, and the two groups of arc plates (23) are symmetrically distributed about the center of the bearing ring to be detected (6).

8. The high-precision bearing ring detection device according to claim 1, characterized in that: A controller (12) is mounted on the right side of the fixed frame (2), and an operation display (5) is arranged on the left side of the fixed frame (2).

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