Automatic appearance detection equipment for large bearing

Abstract

The utility model discloses automatic appearance detection equipment for a large bearing, which comprises a base, a translation rotating mechanism fixed in the middle of the base, a robot feeding device arranged on the rear side of the translation rotating mechanism, a ball lacking detection device arranged at the rear end of the translation rotating mechanism, and turnover mechanisms arranged on the left side and the right side of the middle of the translation rotating mechanism. An end face detector is arranged at the front end of the translation rotating mechanism, and an inner diameter face detector and an outer diameter face detector are arranged on the left side and the right side of the front end of the translation rotating mechanism respectively. The detection range is large, and defects of upper and lower end faces, inner diameter faces, outer diameter faces, missing balls, retainers and inner and outer chamfers of the bearing can be detected; the position of the camera is automatically adjusted, and high-precision size measurement can be coped with for different product sizes; flexible operation is achieved, one-key type changing is achieved, and the position of the camera can be automatically adjusted only by selecting a corresponding product drawing number on an upper computer.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing detection, in particular to an automatic appearance detection device for large bearings. Background Technique

[0002] Bearings are important components in mechanical equipment. Their main function is to support rotating mechanical bodies, reduce the friction coefficient during their movement, and ensure their rotational accuracy. During the bearing processing, the assembled bearings usually need to be subjected to appearance inspection, and at this time, bearing detection devices are required to detect and process the bearings.

[0003] The Chinese patent discloses a detection device for bearing processing (authorization announcement number CN 211805689 U). This patented technology can solve the problem of poor detection and test effects of the detection device for bearing processing. However, for large bearings, manual feeding is difficult, the detection procedures are repetitive, and it is suitable for automated machine operation. Moreover, the end faces, inner and outer diameter surfaces of the bearings need to be detected, and both sides need to be detected, resulting in difficult manual operation and low efficiency. Therefore, the utility model provides an automatic appearance detection device for large bearings to solve the problems raised in the above background technique. Summary of the Invention

[0004] The purpose of the utility model is to provide an automatic appearance detection device for large bearings to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] An automatic appearance detection device for large bearings includes a base. A translation and rotation mechanism is fixed in the middle of the base. There is a robot loader behind the translation and rotation mechanism, a missing ball detection at the rear end of the translation and rotation mechanism, flipping mechanisms on both the left and right sides in the middle of the translation and rotation mechanism, an end face detection at the front end of the translation and rotation mechanism, and an inner diameter surface detection and an outer diameter surface detection respectively on the left and right sides at the front end of the translation and rotation mechanism.

[0007] Preferably, the translation and rotation mechanism includes linear guide rails at the bottom and a moving seat that slides. The upper side of the moving seat is rotatably connected to a rotating table, and the moving seat is connected to a power supply through a drag chain cable.

[0008] Preferably, the linear guide rails are composed of two parallel sliding rails and an electric sliding rail, and the moving seat slides on the electric sliding rail to support the moving seat.

[0009] Preferably, the robot loader includes a jaw, and the jaw is connected to a pneumatic contraction component to control the jaw to clamp the bearing.

[0010] Preferably, the missing ball detection is composed of an up-and-down moving component and a detection camera. The up-and-down moving component is composed of a vertical fixed frame and a sliding component. The detection camera is installed on the sliding component to detect the balls of the bearing.

[0011] Preferably, the flipping mechanism includes a horizontal moving component at the bottom. A parallel rail is provided at the bottom of the horizontal moving component. An L-shaped sliding frame is slidably connected to the upper side of the parallel rail. A motor is installed on the lower side of the L-shaped sliding frame. The L-shaped sliding frame is slidably connected to the upper and lower platforms up and down. A rotating clamp is provided on the upper and lower platforms, which has the functions of clamping and rotating.

[0012] Preferably, the end face detection includes a fixed frame, and a fixed camera is installed on the fixed frame to detect the end face.

[0013] Preferably, both the inner diameter surface detection and the outer diameter surface detection are composed of a horizontal component at the bottom and a vertical component. A horizontal sliding rail is slidably connected to the vertical component, and a camera is installed on the horizontal slider.

[0014] Preferably, the camera for the inner diameter surface detection is installed on a rotating seat. The rotating seat is composed of a fixed plate and a hinged plate. An angle ruler and a locking bolt are provided at the hinge to detect the inner diameter surface of the bearing.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. It is applicable to products with large size and heavy weight. The bearing size can reach 200mm - 450mm, and the weight is more than 50kg.

[0017] 2. The detection range is large, and it can detect the upper and lower end faces, inner diameter surface, outer diameter surface, missing balls, cage, and inner and outer chamfer defects of the bearing.

[0018] 3. Automatically adjust the camera position. For products with different sizes, it can cope with high-precision dimension measurement.

[0019] 4. Flexible operation, one-key model change. Just select the corresponding product drawing number on the host computer, and the camera position will be automatically adjusted. Description of the Drawings

[0020] Figure 1 It is a schematic structural diagram of an automatic appearance detection device for large bearings.

[0021] Figure 2 It is a front view structural schematic diagram of an automatic appearance detection device for large bearings.

[0022] Figure 3 It is a left view structural schematic diagram of an automatic appearance detection device for large bearings.

[0023] Figure 4It is a top view structural schematic diagram of an automatic appearance detection device for large bearings.

[0024] In the figure: 1. Robot loading; 2. Translation and rotation mechanism; 3. Ball missing detection; 4. Flipping mechanism; 5. End face detection; 6. Inner diameter surface detection; 7. Outer diameter surface detection.

[0025] 11. Claw; 12. Pneumatic contraction component; 21. Moving seat; 22. Rotating table; 23. Drag chain cable; 31. Up and down moving component; 32. Detection camera; 41. Horizontal moving component; 42. Up and down platform; 43. Rotating clamp; 51. Fixed camera. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] Please refer to Figures 1 to 4 , in the embodiment of the present invention, an automatic appearance detection device for large bearings includes a base. A translation and rotation mechanism 2 is fixed in the middle of the base. There is a robot loading 1 at the rear side of the translation and rotation mechanism 2. There is a ball missing detection 3 at the rear end of the translation and rotation mechanism 2. Flipping mechanisms 4 are arranged on both the left and right sides of the middle part of the translation and rotation mechanism 2. There is an end face detection 5 at the front end of the translation and rotation mechanism 2. An inner diameter surface detection 6 and an outer diameter surface detection 7 are respectively arranged on the left and right sides of the front end of the translation and rotation mechanism 2. The translation and rotation mechanism 2 includes a linear guide rail at the bottom and a sliding moving seat 21. The upper side of the moving seat 21 is rotatably connected to a rotating table 22. The moving seat 21 is connected to the power supply through a drag chain cable 23. The linear guide rail is composed of two parallel sliding rails and an electric sliding rail. The moving seat 21 slides on the electric sliding rail to support the moving seat 21;

[0028] The robot loading device 1 includes a jaw 11, which is connected to a pneumatic contraction assembly 12 to control the jaw 11 to clamp the bearing. The ball missing detection device 3 consists of an up-and-down movement assembly 31 and a detection camera 32. The up-and-down movement assembly 31 is composed of a vertical fixed frame and a sliding assembly, and the detection camera 32 is installed on the sliding assembly to detect the balls of the bearing. The flipping mechanism 4 includes a horizontal movement assembly 41 at the bottom. A parallel rail is provided at the bottom of the horizontal movement assembly 41, and an L-shaped sliding frame is slidably connected to the upper side of the parallel rail. A motor is installed on the lower side of the L-shaped sliding frame. The L-shaped sliding frame is slidably connected to the up-and-down platform 42 up and down, and a rotating clamp 43 is provided on the up-and-down platform 42, which has the functions of clamping and rotating. The end face detection device 5 includes a fixed frame, and a fixed camera 51 is installed on the fixed frame to detect the end face. Both the inner diameter surface detection device 6 and the outer diameter surface detection device 7 are composed of a horizontal component at the bottom and a vertical component. A horizontal sliding rail is slidably connected to the vertical component, and a camera is installed on the horizontal slider. The camera of the inner diameter surface detection device 6 is installed on a rotating seat, which is composed of a fixed plate and a hinged plate, and an angle scale and a locking bolt are provided at the hinge to detect the inner diameter surface of the bearing.

[0029] The working principle of the present utility model is as follows: When in use, the action process is:

[0030] 1. The robot loading device 1 places the product on the translation and rotation mechanism 2; the pneumatic contraction assembly 12 drives the jaw 11 to move and clamp the bearing.

[0031] 2. The translation and rotation mechanism 2 sends the product to the ball missing detection device 3 for ball missing detection; the moving seat 21 drives the bearing to move back and forth, and the rotating table 22 drives the bearing to rotate to detect each horizontal position. The up-and-down movement assembly 31 drives the detection camera 32 to move up and down to count the number of balls in the bearing.

[0032] 3. The translation and rotation mechanism 2 sends the product to the end face detection device 5; then the moving seat 21 drives the end face detection device 5, and the fixed camera 51 performs end face detection.

[0033] 4. The translation and rotation mechanism 2 drives the product to rotate to detect the upper end face and the cage of the product.

[0034] 5. After detecting the upper end face, the flipping mechanism 4 clamps the product, raises it to a high position and rotates it 180° and then places the product back on the translation and rotation mechanism 2; the horizontal movement assembly 41 drives the rotating clamp 43 to move left and right, the up-and-down platform 42 drives the rotating clamp 43 to move up and down, and the bearing is rotated by rotation adjustment.

[0035] 6. The translation and rotation mechanism 2 drives the product to rotate to detect the lower end face and the cage of the product.

[0036] 7. The translation and rotation mechanism 2 sends the product to the inner diameter surface detection device 6 to detect the inner diameter surface and the outer diameter surface simultaneously.

[0037] 8. The translation and rotation mechanism 2 retracts to the loading position, and the robot takes away the product.

[0038] The utility model is applicable to products with large size and heavy weight. The bearing size can reach 200mm - 450mm and the weight is over 50kg. It has a large detection range and can detect defects on the upper and lower end faces, inner diameter surface, outer diameter surface, ball missing, cage and inner and outer chamfers of the bearing. It can automatically adjust the position of the camera and can handle high-precision dimension measurement for products of different sizes. It has flexible operation and can change models with one key. Just select the corresponding product drawing number on the host computer, and the camera position will be automatically adjusted.

[0039] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the utility model, according to the technical solution and inventive concept of the utility model, makes equivalent substitutions or changes, and should be covered by the protection scope of the utility model.

Claims

1. An automatic appearance inspection device for large bearings, comprising a base, characterized in that, A translation and rotation mechanism (2) is fixed in the middle of the base. A robot loading device (1) is arranged at the rear side of the translation and rotation mechanism (2). A ball missing detection device (3) is arranged at the rear end of the translation and rotation mechanism (2). Turning mechanisms (4) are arranged on both the left and right sides in the middle of the translation and rotation mechanism (2). An end face detection device (5) is arranged at the front end of the translation and rotation mechanism (2). An inner diameter surface detection device (6) and an outer diameter surface detection device (7) are respectively arranged on the left and right sides at the front end of the translation and rotation mechanism (2).

2. The automatic appearance detection device for large bearings according to claim 1, wherein The translation and rotation mechanism (2) includes a linear guide rail at the bottom and a moving seat (21) that slides. A rotating table (22) is rotatably connected to the upper side of the moving seat (21). The moving seat (21) is connected to the power supply through a drag chain cable (23).

3. The automatic appearance inspection device for large bearings according to claim 2, characterized in that, The linear guide rail is composed of two parallel sliding rails and an electric sliding rail. The moving seat (21) slides on the electric sliding rail.

4. An automatic appearance detection device for large bearings according to claim 1, characterized in that The robot loading device (1) includes a gripper (11), and the gripper (11) is connected to a pneumatic contraction assembly (12).

5. An automatic external inspection device for large bearings according to claim 1, characterized in that, The ball missing detection device (3) is composed of an up and down moving assembly (31) and a detection camera (32). The up and down moving assembly (31) is composed of a vertical fixing frame and a sliding assembly, and the detection camera (32) is installed on the sliding assembly.

6. The automatic appearance detection device for large bearings according to claim 1, characterized in that The turning mechanism (4) includes a horizontal moving assembly (41) at the bottom. Parallel rails are arranged at the bottom of the horizontal moving assembly (41). An L-shaped sliding frame is slidably connected to the upper side of the parallel rails. A motor is installed on the lower side of the L-shaped sliding frame. The L-shaped sliding frame is slidably connected to an upper and lower table (42) up and down. A rotating clamp (43) is arranged on the upper and lower table (42).

7. An automatic external appearance inspection device for large bearings according to claim 1, characterized in that, The end face detection device (5) includes a fixing frame, and a fixed camera (51) is installed on the fixing frame.

8. An automatic appearance inspection device for large bearings according to claim 1, characterized in that, Both the inner diameter surface detection device (6) and the outer diameter surface detection device (7) are composed of a horizontal assembly at the bottom and a vertical assembly. A horizontal sliding rail is slidably connected to the vertical assembly, and a camera is installed on the horizontal slider.

9. The automatic appearance inspection device for large bearings according to claim 1, characterized in that, The camera of the inner diameter surface detection device (6) is installed on a rotating seat. The rotating seat is composed of a fixing plate and a hinged plate. An angle scale and a locking bolt are arranged at the hinge.

Images