A sorting device for compressor bearings

Abstract

The present invention belongs to the field of mechanical engineering technology, and specifically relates to a sorting device for compressor bearings, including a conveyor belt, a push mechanism is arranged on one side of the conveyor belt, the push mechanism includes a first bottom plate, a first cylinder is arranged on the top of the first bottom plate, the telescopic end of the first cylinder is connected to a positioning assembly, the positioning assembly is used to push the bearing to be tested, and an appearance detection mechanism is arranged on the other side of the conveyor belt, and the appearance detection mechanism is used to detect the appearance of the bearing. The sorting device of the present invention mainly includes main components such as a conveyor belt, a positioning assembly, an appearance detection mechanism and a mechanical arm, so as to realize the automatic conveying, positioning, detection and classification of bearings; the application of an appearance detector and a roundness meter can accurately detect the appearance and size of the bearing, ensuring the accuracy and efficiency of sorting; the design of the mechanical arm enables the bearings that have been tested to be accurately classified and stored, realizing the full automation of the bearing sorting work.

Description

Technical Field

[0001] The invention belongs to the technical field of mechanical engineering, and in particular relates to a sorting device for compressor bearings. Background Art

[0002] In the prior art, the sorting of compressor bearings mainly relies on manual operation or simple mechanical equipment. These traditional methods cannot meet the needs of efficient, fast and accurate sorting. Especially in the case of large-scale production and high quality requirements, traditional sorting methods are difficult to meet the requirements of production efficiency and quality control. In addition, manual sorting has problems such as low efficiency, large errors and operator fatigue, while simple mechanical sorting equipment often lacks precise control and adaptive capabilities, and cannot achieve fast and accurate sorting of bearings.

[0003] In order to solve the above problems, some automated bearing sorting equipment has been proposed in the prior art. However, these devices are usually complex in design and costly, and can only sort bearings of specific types or sizes, lacking versatility and flexibility. At the same time, existing automated bearing sorting equipment is usually unable to accurately detect the appearance and size of bearings, resulting in low sorting accuracy. In addition, existing equipment often lacks effective bearing positioning and fixing mechanisms, which makes it easy for bearings to shift or fall during the sorting process, affecting the efficiency and accuracy of sorting. Summary of the invention

[0004] In view of the problems existing in the prior art, the object of the present invention is to provide a sorting device for compressor bearings, which can realize efficient, accurate and adaptive sorting of compressor bearings.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A sorting device for compressor bearings comprises a conveyor belt, a pushing mechanism is arranged on one side of the conveyor belt, the pushing mechanism comprises a first bottom plate, a first cylinder is arranged on the top end of the first bottom plate, a positioning assembly is connected to the telescopic end of the first cylinder, the positioning assembly is used to push the bearing to be inspected, an appearance detection mechanism is arranged on the other side of the conveyor belt, the appearance detection mechanism is used to detect the appearance of the bearing, a roundness detection assembly is installed on the appearance detection mechanism, the roundness detection assembly is used to detect the roundness of the bearing, and a mechanical arm is arranged on one side of the conveyor belt.

[0007] Furthermore, the positioning assembly includes a positioning frame, one side of which is fixedly connected to a connecting seat, and the other side of which is mirror-disposed with a guide frame, a side of the guide frame is provided with a first wheel groove, and a first driven wheel is rotatably connected in the first wheel groove.

[0008] Furthermore, a support plate is fixedly connected to the guide frame arranged at one end, a first motor is fixedly connected to the top end of the support plate, a driving wheel is arranged at the output end of the first motor, and the driving wheel is tangent to the first driven wheel.

[0009] Further, the appearance detection mechanism includes a mounting frame, the mounting frame includes a second connecting plate, the bottom end of the second connecting plate is fixedly connected to the second bottom plate, and the top end of the second connecting plate is fixedly connected to the top plate, the bottom of the second bottom plate is fixedly connected to the adjustment mechanism, the adjustment mechanism includes a second motor, and the output end of the second motor is connected to the first screw;

[0010] A second through hole is formed through the upper end surface of the top plate, a telescopic platform is movably inserted into the second through hole, and the telescopic platform cooperates with the first screw rod;

[0011] The top end of the second bottom plate is fixedly connected to a second cylinder, the telescopic end of the second cylinder is connected to an appearance detector, and the top end of the top plate is penetrated by a first through hole.

[0012] Furthermore, the telescopic platform includes a base, a positioning column is symmetrically rotatably connected to the base, and a guide block is fixedly connected to the side of the base, a threaded hole is penetrated through the upper end surface of the guide block, and the first screw passes through the threaded hole.

[0013] Furthermore, the roundness detection assembly includes a base, a side surface of the base is mirror-imaged with an inclined support plate, a side surface of the inclined support plate is penetrated by a second wheel groove, and a second driven wheel is rotatably connected in the second wheel groove.

[0014] Furthermore, a first through slot is formed through the side surface of the base, and a roundness meter is movably connected in the first through slot, and the roundness meter is used to detect the roundness of the bearing.

[0015] Furthermore, a second through slot is penetrated through the other side of the base, and the second through slot is interconnected with the first through slot. A column is fixedly connected to the outside of the roundness meter, and a guide piece is sleeved on the column, and both ends of the guide piece are located in the second through slot. A mounting plate is symmetrically fixedly connected to one side of the base, and a third motor is fixedly connected to the top of the mounting plate, and a second screw is connected to the output end of the third motor.

[0016] Furthermore, one end of the first bottom plate is fixedly connected to a first connecting plate, and connecting holes are symmetrically formed through the side surface of the first connecting plate.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention realizes automatic sorting and quality inspection of bearings by designing a pushing mechanism, an appearance inspection mechanism and a roundness inspection component. This scheme aims at the problem of inefficient and inaccurate bearing sorting in the prior art, and adopts a first cylinder and a positioning component to realize precise pushing of the bearings, thereby improving the efficiency and accuracy of sorting. At the same time, the appearance inspection mechanism and the roundness inspection component provide reliable technical support for the appearance and roundness inspection of the bearings, ensuring the appearance quality and geometric dimensional accuracy of the bearings, and meeting the high-quality production requirements. The design of the mechanical arm realizes the automatic picking and placing and classified storage of the bearings after inspection, thereby improving the production efficiency and the accuracy of quality control.

[0019] The present invention, the positioning assembly includes a positioning frame, a connecting seat and a guide frame, which ensures the stability of the bearing during transmission and detection, effectively avoids the bearing from deflecting and falling, and ensures the accuracy and efficiency of sorting. The design of the first wheel groove and the first driven wheel enables the bearing to rotate smoothly during positioning, providing a good foundation for subsequent appearance and roundness detection.

[0020] In the present invention, the appearance detection mechanism realizes precise position control of the telescopic table through the linkage of the second motor and the first screw, provides flexible adjustment capability for appearance detection, and meets the detection requirements of different bearing specifications. The second cylinder provides precise lifting and lowering control for the appearance detector, ensuring the stability and accuracy of appearance detection. The design of the telescopic table and the positioning column provides a stable positioning and clamping structure for the bearing, ensures the stability of the bearing during the appearance detection process, and improves the accuracy and efficiency of the detection.

[0021] In the present invention, the roundness detection assembly provides a stable support structure for roundness detection through the design of the base and the diagonal support plate, ensuring the accuracy and reliability of the roundness detection. The design of the second wheel groove and the second driven wheel realizes the fixation and positioning of the bearing, providing stable operating conditions for roundness detection. The linkage of the third motor and the second screw realizes the precise control and adjustment of the roundness instrument, providing a flexible roundness detection solution for bearings of different specifications, and improving the versatility and adaptability of the sorting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention;

[0023] Figure 2 It is a structural schematic diagram of the pushing mechanism of the present invention;

[0024] Figure 3 for Figure 2 The enlarged schematic diagram of point A in the middle;

[0025] Figure 4 It is a structural schematic diagram of the positioning assembly of the present invention;

[0026] Figure 5 It is a structural schematic diagram of the appearance detection mechanism of the present invention;

[0027] Figure 6 It is a structural schematic diagram of the mounting frame of the present invention;

[0028] Figure 7 It is a structural schematic diagram of the telescopic platform of the present invention;

[0029] Figure 8 It is a structural schematic diagram of the base of the present invention;

[0030] Fig. 9 It is a structural schematic diagram of the diagonal brace plate of the present invention;

[0031] Fig.10 It is a structural schematic diagram of the roundness instrument of the present invention.

[0032] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0033] 1. Conveyor belt;

[0034] 2. Robotic arm;

[0035] 3. Pushing mechanism; 31. First bottom plate; 32. First connecting plate; 321. Connecting hole; 33. First cylinder;

[0036] 4. Positioning assembly; 41. Positioning frame; 411. Connecting seat; 412. Guide frame; 413. First wheel groove; 42. Support plate; 43. First motor; 431. Driving wheel; 45. First driven wheel;

[0037] 5. Appearance inspection mechanism; 51. Mounting frame; 511. Second connecting plate; 512. Second bottom plate; 513. Top plate; 5131. First through hole; 5132. Second through hole; 52. Adjustment mechanism; 521. Second motor; 522. First screw rod; 53. Telescopic platform; 531. Base; 532. Guide block; 5321. Threaded hole; 533. Positioning column;

[0038] 54. Second cylinder; 55. Appearance tester;

[0039] 6. roundness detection assembly; 61. base; 611. first through slot; 612. second through slot; 613. mounting plate; 62. diagonal support plate; 621. second wheel slot; 63. second driven wheel;

[0040] 64. roundness meter; 641. cylinder; 65. guide member; 66. third motor; 661. second screw. DETAILED DESCRIPTION

[0041] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with embodiments. It should be understood that the following text is only used to describe one or several specific embodiments of the present invention, and does not strictly limit the scope of protection of the specific claims of the present invention.

[0042] See also Figure 1-10 A sorting device for compressor bearings includes a conveyor belt 1, a pushing mechanism 3 is arranged on one side of the conveyor belt 1, the pushing mechanism 3 includes a first bottom plate 31, a first cylinder 33 is arranged on the top of the first bottom plate 31, a positioning component 4 is connected to the telescopic end of the first cylinder 33, and the positioning component 4 is used to push the bearing to be tested to ensure that the bearing can be smoothly transmitted to the next processing stage; due to the inefficiency and inaccuracy of bearing sorting in the prior art, this device is designed with the first cylinder 33 and the positioning component 4 to achieve precise pushing of the bearing to improve the efficiency and accuracy of sorting; an appearance detection mechanism 5 is arranged on the other side of the conveyor belt 1, and an appearance detection mechanism 5 is arranged on the other side of the conveyor belt 1. The appearance inspection mechanism 5 is used to inspect the appearance of the bearing to ensure that the appearance quality of the bearing meets the standard requirements, avoiding the common errors and inefficiencies in traditional manual or simple mechanical sorting; the appearance inspection mechanism 5 is equipped with a roundness inspection component 6, which is used to inspect the roundness of the bearing to ensure the geometric size accuracy of the bearing and meet the high-quality production requirements; a mechanical arm 2 is provided on one side of the conveyor belt 1, and the mechanical arm 2 is used to remove the inspected bearings from the conveyor belt 1 and classify and store them according to the inspection results, thereby realizing full automation of the bearing sorting work and improving production efficiency and quality control accuracy.

[0043] See also Figure 2-6 The positioning assembly 4 includes a positioning frame 41, one side of the positioning frame 41 is fixedly connected to a connecting seat 411, and the other side of the positioning frame 41 is mirror-set with a guide frame 412, and the side of the guide frame 412 is provided with a first wheel groove 413, and the first driven wheel 45 is rotatably connected in the first wheel groove 413; the positioning frame 41, the connecting seat 411 and the guide frame 412 together constitute a stable positioning structure, which ensures the stability of the bearing during transmission and detection, avoids the displacement and falling of the bearing, and improves the accuracy and efficiency of sorting; the design of the first wheel groove 413 and the first driven wheel 45 enables the bearing to achieve smooth rotation during positioning, providing a good foundation for subsequent appearance and roundness detection.

[0044] See also Figure 2-4A support plate 42 is fixedly connected to a guide frame 412 arranged at one end, a first motor 43 is fixedly connected to the top of the support plate 42, a driving wheel 431 is arranged at the output end of the first motor 43, and the driving wheel 431 is tangent to the first driven wheel 45; the support plate 42 provides a stable installation foundation for the first motor 43, ensures the precise transmission of the driving wheel 431, and improves the accuracy of bearing rotation and detection; through the synergistic effect of the first motor 43 and the driving wheel 431, the first driven wheel 45 is effectively driven, and the stable rotation of the bearing during the detection process is guaranteed, which provides accurate and reliable motion control for appearance and roundness detection, and meets the requirements of efficient, accurate and adaptive bearing sorting.

[0045] See also Figure 4-7 The appearance detection mechanism 5 includes a mounting frame 51, and the mounting frame 51 includes a second connecting plate 511. The bottom end of the second connecting plate 511 is fixedly connected to a second bottom plate 512, and the top end of the second connecting plate 511 is fixedly connected to a top plate 513. The bottom of the second bottom plate 512 is fixedly connected to an adjustment mechanism 52, and the adjustment mechanism 52 includes a second motor 521. The output end of the second motor 521 is connected to a first screw rod 522; the mounting frame 51, the second connecting plate 511 and the second bottom plate 512 constitute the basic framework of the appearance detection mechanism 5, which provides a stable installation foundation for the adjustment mechanism 52 and the appearance detection instrument 55, and ensures the accuracy and reliability of the appearance detection; the adjustment mechanism 52 realizes precise position control of the telescopic table 53 through the linkage of the second motor 521 and the first screw rod 522, provides flexible adjustment capability for appearance detection, and meets the detection requirements of different bearing specifications;

[0046] A second through hole 5132 is formed through the upper end surface of the top plate 513, and a telescopic platform 53 is movably inserted into the second through hole 5132, and the telescopic platform 53 cooperates with the first screw rod 522. The design of the second through hole 5132 and the telescopic platform 53 realizes the vertical movement of the telescopic platform 53, provides a liftable operating platform for the appearance detector 55, and improves the flexibility and adaptability of the detection.

[0047] The top of the second base plate 512 is fixedly connected to the second cylinder 54, the telescopic end of the second cylinder 54 is connected to the appearance detector 55, and the top of the top plate 513 is penetrated by a first through hole 5131; the second cylinder 54 provides precise lifting control for the appearance detector 55, ensuring the stability and accuracy of the appearance detection, and the first through hole 5131 provides a channel for the lifting of the appearance detector 55, ensuring the smoothness of the detection process.

[0048] See also Figure 4-7The telescopic platform 53 includes a base 531, on which a positioning column 533 is symmetrically rotatably connected, and a guide block 532 is fixedly connected to the side of the base 531, and a threaded hole 5321 is penetrated through the upper end surface of the guide block 532, and the first screw rod 522 passes through the threaded hole 5321; the design of the base 531 and the positioning column 533 provides a stable positioning and clamping structure for the bearing, ensures the stability of the bearing during the appearance inspection process, and improves the accuracy and efficiency of the inspection; the design of the guide block 532 and the threaded hole 5321 realizes the precise guidance and position control of the first screw rod 522, ensures the smooth movement of the telescopic platform 53, and provides reliable operating conditions for appearance inspection.

[0049] See also Figure 8-10 The roundness detection component 6 includes a base 61, a diagonal support plate 62 is mirrored on the side of the base 61, a second wheel groove 621 is penetrated through the side of the diagonal support plate 62, and a second driven wheel 63 is rotatably connected in the second wheel groove 621; the design of the base 61 and the diagonal support plate 62 provides a stable support structure for roundness detection, ensuring the accuracy and reliability of roundness detection; the design of the second wheel groove 621 and the second driven wheel 63 realizes the fixation and positioning of the bearing, provides stable operating conditions for roundness detection, meets the roundness detection requirements for bearings of different specifications, and improves the application range and detection efficiency of the sorting device.

[0050] See also Figure 8-10 A first through slot 611 is formed through the side of the base 61, and a roundness meter 64 is movably connected in the first through slot 611. The roundness meter 64 is used to detect the roundness of the bearing. The first through slot 611 provides a stable movement channel for the roundness meter 64, ensuring the accuracy and stability of the roundness detection. The design and setting of the roundness meter 64 realizes the precise detection of the roundness of the bearing, provides an important quality control basis for the sorting device, and meets the requirements of modern production for high precision and high efficiency.

[0051] See also Figure 8-10, a second through slot 612 is formed on the other side of the base 61, and the second through slot 612 and the first through slot 611 are interconnected. A column 641 is fixedly connected to the outer side of the roundness meter 64, and a guide member 65 is sleeved on the column 641. Both ends of the guide member 65 are located in the second through slot 612. A mounting plate 613 is symmetrically fixedly connected to one side of the base 61, and a third motor 66 is fixedly connected to the top of the mounting plate 613, and a second screw 661 is connected to the output end of the third motor 66; the design of the second through slot 612 and the column 641 realizes stable support and precise positioning of the roundness meter 64, and ensures the accuracy and efficiency of roundness detection; the setting of the guide member 65 and the mounting plate 613 provides additional support and positioning for the roundness meter 64, and enhances the stability of the detection system; the linkage of the third motor 66 and the second screw 661 realizes precise control and adjustment of the roundness meter 64, provides a flexible roundness detection solution for bearings of different specifications, and improves the versatility and adaptability of the sorting device.

[0052] See also Figure 2 One end of the first base plate 31 is fixedly connected to the first connecting plate 32, and the side of the first connecting plate 32 is symmetrically penetrated with connecting holes 321; the design of the first connecting plate 32 and the connecting hole 321 provides an additional connection and fixing method for the pushing mechanism 3, thereby enhancing the stability and reliability of the pushing mechanism; through the effective connection and fixing structure design, the stability and accuracy of the pushing mechanism in the process of pushing the bearing are ensured, which provides a good foundation for the subsequent appearance and roundness detection, and meets the requirements for efficient, accurate and adaptive bearing sorting devices.

[0053] The working principle of the present invention is:

[0054] When sorting the bearings, the bearings need to be placed on the conveyor belt 1. The conveyor belt 1 drives the bearings to move. When the bearings move to the position where the positioning assembly 4 is located, the first cylinder 33 pushes the positioning assembly 4 to move. When the positioning assembly 4 is close to the bearings, the bearings are placed between the two guide frames 412. Under the action of the guide frames 412, the position of the bearings is limited, so that the movement of the bearings can be more stable.

[0055] When the bearing moves toward the direction where the appearance detection mechanism 5 is located, the second motor 521 drives the first screw 522 to rotate, and with the rotation of the first screw 522, the telescopic platform 53 moves upward. When the telescopic platform 53 moves upward, the positioning column 533 extends out from the second through hole 5132 opened on the top plate 513. The positioning column 533 is connected to the base 531 by symmetrical rotation. Under the cooperation of the positioning column 533 and the guide frame 412, the bearing can be clamped between the positioning column 533 and the guide frame 412.

[0056] After the bearing is positioned, the appearance detector 55 located at the telescopic end of the second cylinder 54 is driven by the second cylinder 54 to move upward and extend from the first through hole 5131;

[0057] When the appearance inspection instrument 55 reaches the predetermined position, the first motor 43 drives the driving wheel 431 at the output end of the first motor 43 to rotate, and the first driven wheel 45 is driven to rotate as the driving wheel 431 rotates. When the first driven wheel 45 rotates, the bearing between the guide frame 412 and the positioning column 533 is driven to rotate. When the bearing rotates, the telescopic platform 53 can inspect the appearance of the bearing.

[0058] After the outer side of the bearing is inspected, the first motor 43 stops working, and the second motor 521 drives the telescopic platform 53 to move downward, and the top of the positioning column 533 is retracted into the second through hole 5132, and the second cylinder 54 drives the appearance inspection instrument 55 to descend.

[0059] Then the first cylinder 33 will continue to push the bearing to move, so that the outer side of the bearing contacts the second driven wheel 63. Since the side of the base 61 is mirror-imaged with a diagonal support plate 62, the side of the diagonal support plate 62 is penetrated with a second wheel groove 621, and the second driven wheel 63 is rotatably connected in the second wheel groove 621, so that the bearing can be fixed between the second driven wheel 63 and the first driven wheel 45.

[0060] After the position of the bearing is fixed again, the appearance detector 55 is extended into the inner ring of the bearing under the drive of the second cylinder 54, and then the bearing is driven to rotate under the drive of the first motor 43, so that the appearance detector 55 can observe the inner ring of the bearing. When observing the inner ring of the bearing, the third motor 66 drives the second screw 661 to rotate, so as to adjust the position of the roundness meter 64, so that the roundness meter 64 can detect the roundness of the outer side of the bearing.

[0061] After the inspection, the bearings will be removed from the conveyor belt 1 by the robot arm 2 and stored in different categories.

[0062] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the art unless otherwise specified and limited.

Claims

1. A sorting device for compressor bearings, comprising a conveyor belt (1), characterized in that: A pushing mechanism (3) is provided on one side of the conveyor belt (1), the pushing mechanism (3) comprising a first bottom plate (31), a first cylinder (33) being provided at the top end of the first bottom plate (31), a positioning assembly (4) being connected to the telescopic end of the first cylinder (33), the positioning assembly (4) being used to push the bearing to be inspected, an appearance inspection mechanism (5) is provided on the other side of the conveyor belt (1), the appearance inspection mechanism (5) being used to inspect the appearance of the bearing, a roundness inspection assembly (6) being installed on the appearance inspection mechanism (5), the roundness inspection assembly (6) being used to inspect the roundness of the bearing, and a mechanical arm (2) is provided on one side of the conveyor belt (1); The positioning assembly (4) comprises a positioning frame (41), one side of the positioning frame (41) is fixedly connected to a connecting seat (411), and the other side of the positioning frame (41) is mirror-imaged with a guide frame (412), a side surface of the guide frame (412) is provided with a first wheel groove (413), and a first driven wheel (45) is rotatably connected in the first wheel groove (413); A support plate (42) is fixedly connected to the guide frame (412) disposed at one end, a first motor (43) is fixedly connected to the top end of the support plate (42), a driving wheel (431) is disposed at the output end of the first motor (43), and the driving wheel (431) is tangent to the first driven wheel (45); The appearance detection mechanism (5) comprises a mounting frame (51), the mounting frame (51) comprises a second connecting plate (511), the bottom end of the second connecting plate (511) is fixedly connected to a second bottom plate (512), and the top end of the second connecting plate (511) is fixedly connected to a top plate (513), the bottom of the second bottom plate (512) is fixedly connected to an adjustment mechanism (52), the adjustment mechanism (52) comprises a second motor (521), and the output end of the second motor (521) is connected to a first screw rod (522); A second through hole (5132) is formed through the upper end surface of the top plate (513), a telescopic platform (53) is movably inserted into the second through hole (5132), and the telescopic platform (53) and the first screw rod (522) cooperate with each other; The top end of the second bottom plate (512) is fixedly connected to a second cylinder (54), the telescopic end of the second cylinder (54) is connected to an appearance detector (55), and the top end of the top plate (513) is penetrated by a first through hole (5131); The telescopic platform (53) comprises a base (531), a positioning column (533) is symmetrically rotatably connected to the base (531), and a guide block (532) is fixedly connected to the side of the base (531), and a threaded hole (5321) is formed through the upper end surface of the guide block (532), and the first screw rod (522) passes through the threaded hole (5321); The roundness detection assembly (6) comprises a base (61), a diagonal support plate (62) is disposed on the side of the base (61) in a mirror-like manner, a second wheel groove (621) is formed through the side of the diagonal support plate (62), and a second driven wheel (63) is rotatably connected in the second wheel groove (621); The sorting device can realize appearance inspection of the inner ring and the outer side of the bearing through the appearance inspection mechanism, and when inspecting the inner ring of the bearing, the roundness meter can inspect the roundness of the outer side of the bearing.

2. A sorting device for compressor bearings according to claim 1, characterized in that: A first through slot (611) is formed through the side surface of the base (61), and a roundness meter (64) is movably connected in the first through slot (611). The roundness meter (64) is used to detect the roundness of the bearing.

3. A sorting device for compressor bearings according to claim 2, characterized in that: A second through slot (612) is formed through the other side of the base (61), the second through slot (612) and the first through slot (611) are connected to each other, a column (641) is fixedly connected to the outside of the roundness meter (64), a guide member (65) is sleeved on the column (641), and both ends of the guide member (65) are located in the second through slot (612), a mounting plate (613) is symmetrically fixedly connected to one side of the base (61), a third motor (66) is fixedly connected to the top end of the mounting plate (613), and a second screw rod (661) is connected to the output end of the third motor (66).

4. A sorting device for compressor bearings according to claim 3, characterized in that: One end of the first bottom plate (31) is fixedly connected to a first connecting plate (32), and connecting holes (321) are symmetrically formed through the side surface of the first connecting plate (32).

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