A bearing assembly inspection apparatus

Abstract

The application discloses a bearing assembly detection equipment and belongs to the technical field of bearing production devices. The application comprises a rack, a controller is installed in the rack, a workbench is installed on the top of the rack, a conveyor, an assembler and a detection assembly are sequentially arranged on the top of the workbench from left to right, a needle feeding pipe is arranged on the assembler, and a first positioner and a second positioner are rotationally matched with the top of the workbench. The application is provided with horizontal plug-in cooperation of fixing blocks and fixing grooves, vertical locking cooperation of clamping blocks and clamping grooves and a manual pulling structure of the inclined surface at the bottom of the clamping block and the pull rod, so that the quick installation and disassembly of the detection head can be realized without tools. The fixing block can be pulled out by pulling the pull rod to make the clamping block separate from the clamping groove, or the fixing block can be inserted into the fixing groove, the clamping block is automatically lifted by the inclined surface and falls into the clamping groove under the action of gravity or elastic force to complete locking, and meanwhile, cooperation of the limiting blocks and the limiting grooves prevents the clamping block from separating and keeps the linear motion stable.

Description

Technical Field

[0001] This invention relates to the field of bearing production equipment technology, specifically a bearing assembly and testing device. Background Technology

[0002] In automated bearing assembly lines, a conveyor mechanism typically transports the cage and outer ring sequentially to designated stations. A gripper then transfers them to the assembler's working area for press-fitting. The assembled bearing, whether semi-finished or finished, needs to be moved to an inspection station where a testing head inspects its dimensions, roundness, and assembly accuracy. In existing inspection equipment, the testing head is usually fixed to the end of the inspection drive mechanism using bolts or flange connections. While this fixed structure ensures connection stability during operation, it necessitates frequent testing head replacements in actual production. For example, replacing the testing head with the appropriate specification for different bearing models, or periodically calibrating and maintaining the testing head. Each replacement requires repeatedly tightening bolts or disassembling multiple connectors, resulting in cumbersome and time-consuming procedures, thus reducing the overall production line's inspection efficiency and equipment changeover flexibility. Summary of the Invention

[0003] The purpose of this invention is to provide a bearing assembly testing device. By setting up a horizontal insertion fit between the fixing block and the fixing groove, a vertical locking fit between the locking block and the locking groove, and a manual lifting structure between the inclined surface at the bottom of the locking block and the pull rod, the device solves the problem that the testing head is bolted or connected by a flange, which requires repeated tightening with tools and is cumbersome and time-consuming when replacing it.

[0004] This invention is achieved through the following technical solution: This invention relates to a bearing assembly and testing device, comprising a frame, a controller installed inside the frame, a worktable installed on the top of the frame, and a conveyor, an assembler, and a testing component arranged sequentially from left to right on the top of the worktable. The assembler is provided with a needle roller feed tube, and a first positioner and a second positioner are rotatably fitted on the top of the worktable. The first positioner is located at the bottom of the assembler, and the second positioner is located at the bottom of the testing component.

[0005] The detection assembly has a support plate, a horizontal plate, and a detection head. The support plate is vertically mounted on the top of the frame, and the horizontal plate is horizontally mounted on the top of the support plate. A fixing block is mounted on the end of the detection head. A fixing groove is opened in the horizontal plate, and the fixing block fits into the fixing groove. A guide groove is vertically opened in the horizontal plate, and the guide groove is connected to the fixing groove. A locking block is vertically slidably fitted in the guide groove. A slope is opened on one side of the bottom of the locking block, and a locking groove is opened on the top of the fixing block. The bottom end of the locking block is engaged in the locking groove.

[0006] Furthermore, a pull rod is vertically installed on the top of the block, and a through hole is opened on the top of the horizontal plate. The through hole is connected to the guide groove, and the pull rod slides vertically in the guide groove.

[0007] Furthermore, a limit block is installed on one side of the card block, and a limit groove is vertically opened in the horizontal plate. The limit groove is connected to the guide groove, and the limit block slides vertically in the limit groove.

[0008] Furthermore, a U-shaped plate is installed on the conveyor, and four T-shaped guide blocks are installed at the bottom of the U-shaped plate along the conveying direction of the conveyor. Two of the T-shaped guide blocks cooperate with the conveyor to form a cage conveying area, and the other two T-shaped guide blocks cooperate with the conveyor to form an outer ring conveying area.

[0009] Furthermore, a positioning platform is installed at the front end of the conveyor. A retainer retention groove and an outer ring retention groove are respectively opened on both sides of the top of the positioning platform. The retainer retention groove is connected to the retainer conveying area, and the outer ring retention groove is connected to the outer ring conveying area.

[0010] Furthermore, a linear module is installed at the front end of the top of the workbench, a mounting base is installed at the moving end of the linear module, a cylinder is vertically installed on the mounting base, a transverse connecting plate is horizontally installed at the bottom end of the cylinder, and four grippers are installed on the outer surface of the transverse connecting plate.

[0011] Furthermore, two discharge ports are vertically opened on one side of the top of the workbench, and a U-shaped frame is installed inside the frame. Two storage compartments slide and fit inside the U-shaped frame, and the two storage compartments are located at the bottom of the corresponding discharge ports.

[0012] Furthermore, two storage compartment positioning slots are provided on the inner side of the U-shaped frame, and one end of each storage compartment fits into the corresponding storage compartment positioning slot.

[0013] Furthermore, multiple rotating holes are horizontally opened inside the U-shaped frame, and a rotating shaft is rotatably fitted in each rotating hole. A guide roller is sleeved on each rotating shaft, and the top of each guide roller protrudes from the bottom plate of the U-shaped frame.

[0014] Furthermore, each shaft has a sprocket fitted to its end, and each sprocket is engaged with a chain.

[0015] The present invention has the following beneficial effects: This invention enables quick installation and removal of the inspection head without tools by setting up a horizontal insertion fit between the fixing block and the fixing slot, a vertical locking fit between the locking block and the locking slot, and a manual lifting structure between the inclined surface at the bottom of the locking block and the pull rod. Simply pull the pull rod to disengage the locking block from the locking slot to remove the fixing block, or insert the fixing block into the fixing slot and rely on the inclined surface to automatically lift the locking block and fall into the locking slot under the action of gravity or elastic force to complete the locking. At the same time, the cooperation between the limiting block and the limiting slot prevents the locking block from falling out and maintains the stability of linear movement, thereby shortening the inspection head replacement time and improving the switching speed of the equipment between different bearing production tasks and the convenience of inspection operations.

[0016] This invention utilizes multiple guide rollers protruding from the bottom plate of a U-shaped frame to form rolling support. A sprocket and chain at the end of each rotating shaft mesh to form a synchronous transmission mechanism. The guide rollers at the bottom of the storage bin convert sliding friction into rolling friction to reduce resistance. The sprockets and chains synchronously transmit the torque of the power source to all rotating shafts and guide rollers, ensuring each guide roller achieves the same rotational linear velocity. This drives the storage bin to automatically and smoothly move into or out of the U-shaped frame. Simultaneously, the storage bin positioning groove limits the end of the storage bin to ensure accurate alignment with the discharge port, preventing it from sliding out due to vibration. This achieves automatic sorting and storage of finished products and convenient export when fully loaded.

[0017] This invention uses four T-shaped guide blocks at the bottom of a U-shaped plate to separate a cage conveying area and an outer ring conveying area on a conveyor, as well as cage retention grooves and outer ring retention grooves on a positioning platform. The gap between the bottom of the T-shaped guide blocks and the surface of the conveyor limits the cage and outer ring to their respective independent conveying areas, ensuring stable forward movement and preventing mutual interference. The shape of the retention groove matches the outer contour of the workpiece, causing the workpiece to automatically stop and maintain a fixed posture after entering, ensuring that the gripper grasps the same position consistently and reliably each time, thereby improving the positioning accuracy of the assembly process and the overall production stability.

[0018] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the assembled testing equipment; Figure 2 This is a structural diagram of the workbench and the detection components; Figure 3 This is a schematic diagram of the detection component. Figure 4 This is a structural diagram of the U-shaped frame and the storage compartment; Figure 5 This is a schematic diagram of the structure of the guide roller and the rotating shaft; Figure 6 This is a schematic diagram of the conveyor and the T-shaped guide block.

[0020] In the diagram: 1. Frame; 2. Workbench; 3. Conveyor; 301. Cage conveying area; 302. Outer ring conveying area; 4. Assembler; 401. Needle roller feed tube; 5. Detection assembly; 6. Linear module; 7. Mounting base; 8. Cylinder; 9. Transverse connecting plate; 10. Gripper; 11. Support plate; 12. Horizontal plate; 1201. Fixing groove; 1202. Guide groove; 1203. Limiting groove; 13. Detection head; 14. Fixing block; 1401. Slot; 15. Snap-on plate 1501, Inclined Plane; 16, Spring; 17, Limiting Block; 18, Pull Rod; 19, U-shaped Plate; 20, T-shaped Guide Block; 21, Positioning Table; 22, Cage Retention Groove; 23, Outer Ring Retention Groove; 24, First Positioner; 25, Second Positioner; 26, Controller; 27, Discharge Port; 28, U-shaped Frame; 2801, Storage Bin Positioning Groove; 2802, Rotary Hole; 29, Storage Bin; 30, Rotating Shaft; 31, Guide Roller; 32, Sprocket; 33, Chain. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Please see Figure 1-6 The present invention provides a technical solution: a bearing assembly and testing device, including a frame 1, a controller 26 installed inside the frame 1, a worktable 2 installed on the top of the frame 1, and a conveyor 3, an assembler 4, and a testing component 5 arranged sequentially from left to right on the top of the worktable 2. The assembler 4 is provided with a needle roller feed pipe 401. A first positioner 24 and a second positioner 25 are rotatably fitted on the top of the worktable 2. The first positioner 24 is located at the bottom of the assembler 4, and the second positioner 25 is located at the bottom of the testing component 5. The first positioner 24 enables circumferential positioning of the bearing outer ring and cage during the assembly process, and the second positioner 25 enables fixed support for the assembled bearing during the testing process.

[0023] The detection assembly 5 includes a support plate 11, a horizontal plate 12, and a detection head 13. The support plate 11 is vertically mounted on the top of the frame 1, and the horizontal plate 12 is horizontally mounted on the top of the support plate 11. A fixing block 14 is mounted on the end of the detection head 13. A fixing groove 1201 is formed in the horizontal plate 12, and the fixing block 14 fits into the fixing groove 1201. A guide groove 1202 is vertically formed in the horizontal plate 12, and the guide groove 1202 communicates with the fixing groove 1201. A vertical sliding fit is formed within the guide groove 1202. The device includes a locking block 15, with a bevel 1501 on one side of its bottom. A slot 1401 is provided on the top of the fixing block 14. The bottom end of the locking block 15 is engaged in the slot 1401. The cooperation between the fixing block 14 and the fixing slot 1201 provides horizontal positioning for the detection head 13. When the fixing block 14 is inserted by guiding it through the bevel 1501, the locking block 15 is automatically lifted up. After the fixing block 14 is in place, it falls into the slot 1401 by its own weight or elasticity, achieving rapid locking.

[0024] Specifically, a pull rod 18 is vertically installed on the top of the locking block 15, and a through hole is opened on the top of the horizontal plate 12, which is connected to the guide groove 1202. The pull rod 18 slides vertically in the guide groove 1202. The pull rod 18 is used for the operator to pull upward to drive the locking block 15 out of the locking groove 1401, thereby realizing the manual and quick disassembly of the detection head 13. After passing through the through hole, the pull rod 18 is exposed on the top of the horizontal plate 12, so that the operation can be performed directly without the aid of tools. At the same time, when the pull rod 18 slides in the guide groove 1202, it maintains a vertical movement trajectory to ensure the accurate alignment and separation of the locking block 15 and the locking groove 1401.

[0025] Specifically, a limiting block 17 is installed on one side of the locking block 15, and a limiting groove 1203 is vertically opened in the horizontal plate 12. The limiting groove 1203 is connected to the guide groove 1202. The limiting block 17 slides vertically in the limiting groove 1203. The limiting block 17 is used to limit the maximum upward movement of the locking block 15 to prevent the locking block 15 from completely dislodging from the guide groove 1202. At the same time, the cooperation between the limiting block 17 and the limiting groove 1203 ensures that the locking block 15 maintains a stable linear motion state during the up and down sliding process, avoiding the locking block 15 from deflecting and causing the inclined surface 1501 to misalign with the fixed block 14, which would affect the smoothness of installation.

[0026] Specifically, a U-shaped plate 19 is installed on the conveyor 3. Four T-shaped guide blocks 20 are installed on the bottom of the U-shaped plate 19 along the conveying direction of the conveyor 3. Two of the T-shaped guide blocks 20 cooperate with the conveyor 3 to form a cage conveying area 301, and the other two T-shaped guide blocks 20 cooperate with the conveyor 3 to form an outer ring conveying area 302. The cage conveying area 301 and the outer ring conveying area 302 are used to separate and guide the cage and the outer ring along the conveying direction of the conveyor 3 to prevent them from overlapping or interfering with each other during the conveying process. The bottom of the four T-shaped guide blocks 20 forms a gap with the surface of the conveyor 3 so that the cage and the outer ring can be limited to move forward stably within the corresponding conveying area.

[0027] Specifically, a positioning platform 21 is installed at the front end of the conveyor 3. A retainer retention groove 22 and an outer ring retention groove 23 are respectively opened on both sides of the top of the positioning platform 21. The retainer retention groove 22 is connected to the retainer conveying area 301, and the outer ring retention groove 23 is connected to the outer ring conveying area 302. The retainer retention groove 22 and the outer ring retention groove 23 are used to temporarily store the conveyed retainer and outer ring in the preset picking position for the gripper 10 to accurately grasp. The shapes of the retainer retention groove 22 and the outer ring retention groove 23 are respectively matched with the outer contours of the retainer and the outer ring, so that the retainer and the outer ring automatically stop and maintain a fixed posture after entering the retention groove, waiting for transfer.

[0028] Specifically, a linear module 6 is installed at the front end of the top of the workbench 2. A mounting base 7 is installed at the moving end of the linear module 6. A cylinder 8 is vertically installed on the mounting base 7. A transverse connecting plate 9 is horizontally installed at the bottom end of the cylinder 8. Four grippers 10 are installed on the outer surface of the transverse connecting plate 9. The linear module 6 is used to drive the mounting base 7 and the cylinder 8 to move in the horizontal direction to realize the transfer of the grippers 10 between different workstations. The cylinder 8 is used to drive the transverse connecting plate 9 and the four grippers 10 to lift and lower as a whole to complete the gripping and placing actions. The four grippers 10 respectively grip the retainer, the outer ring, the assembled finished product and the inspected finished product, so that the synchronous picking and placing operations of multiple workstations can be completed in one movement.

[0029] Specifically, two discharge ports 27 are vertically opened on one side of the top of the workbench 2. A U-shaped frame 28 is installed inside the frame 1. Two storage bins 29 are slidably fitted inside the U-shaped frame 28. The two storage bins 29 are located at the bottom of the corresponding discharge ports 27. The two discharge ports 27 are used for the separate channels for qualified and unqualified products to fall. The two storage bins 29 are used to collect the qualified and unqualified products falling from the corresponding discharge ports 27 to achieve automatic classification and storage of finished products. The sliding fit between the storage bins 29 and the U-shaped frame 28 allows the storage bins 29 to be pulled out and replaced when full without stopping the operation of the equipment.

[0030] Specifically, two storage compartment positioning grooves 2801 are provided on the inner side of the U-shaped frame 28. One end of each of the two storage compartments 29 is respectively fitted into the corresponding storage compartment positioning groove 2801. The storage compartment positioning groove 2801 is used to limit the end of the storage compartment 29 when it is pushed into the U-shaped frame 28 to determine the accurate alignment between the storage compartment 29 and the discharge port 27. After the end of the storage compartment 29 is inserted into the storage compartment positioning groove 2801, it can prevent the storage compartment 29 from sliding out of the U-shaped frame 28 due to vibration during use.

[0031] Specifically, multiple rotating holes 2802 are horizontally opened inside the U-shaped frame 28. Each rotating hole 2802 is rotatably fitted with a rotating shaft 30. Each rotating shaft 30 is fitted with a guide roller 31. The top of each guide roller 31 protrudes from the bottom plate of the U-shaped frame 28. The guide roller 31 is used to form rolling support at the bottom of the storage compartment 29 to reduce the sliding friction resistance when the storage compartment 29 is pushed in or pulled out. The multiple guide rollers 31 are evenly arranged along the length of the U-shaped frame 28 so that the storage compartment 29 remains horizontal and is evenly stressed during movement. The design of the guide rollers 31 protruding from the bottom plate creates a gap between the bottom of the storage compartment 29 and the bottom plate to avoid direct contact that could cause scratches or jamming.

[0032] Specifically, each shaft 30 is fitted with a sprocket 32 ​​at its end, and a chain 33 is engaged on each sprocket 32. The chain 33 is used to synchronously transmit the torque output by the power source to each sprocket 32 ​​to drive all shafts 30 and guide rollers 31 to rotate in the same direction. The cooperation between each sprocket 32 ​​and the chain 33 enables multiple guide rollers 31 to obtain the same rotational linear speed, thereby driving the storage compartment 29 to automatically move into or out of the U-shaped frame 28. The flexible transmission characteristics of the chain 33 enable it to maintain synchronous movement even when some guide rollers 31 are subjected to uneven loads.

[0033] The working process of this invention is as follows: After the equipment starts, the controller 26 controls the conveyor 3 to run. The cage and outer ring are conveyed forward by the conveyor 3 along the cage conveying area 301 and the outer ring conveying area 302, respectively. Four T-shaped guide blocks 20 separate and guide the movement paths of the two to prevent mutual interference. When the cage and outer ring reach the cage retention groove 22 and the outer ring retention groove 23 on the positioning table 21, respectively, the system automatically stops and waits for material to be picked up. The linear module 6 drives the mounting base 7 to move to the material picking position. The cylinder 8 drives the transverse connecting plate 9 to descend so that the two leftmost grippers 10 can pick up the cage and the outer ring, respectively. Then the cylinder 8 rises, and the linear module... Group 6 moves the gripper 10 above the first positioner 24. The cylinder 8 descends again, first placing the outer ring on the first positioner 24, and then placing the cage inside the outer ring. At this time, the vibratory feeder connected to the needle roller feed pipe 401 transports the needle rollers to the assembler 4. The assembler 4 completes the assembly of the needle rollers. Then, the gripper 10 located in the middle of the transverse connecting plate 9 picks up the assembled finished bearing. The linear module 6 transfers it to the second positioner 25. The second positioner 25 fixes and supports the finished bearing for inspection. During the inspection process, the inspection head 13 inspects the dimensions or assembly quality of the finished bearing.

[0034] When it is necessary to replace or disassemble the detection head 13, the operator pulls the lever 18 upwards. The lever 18 causes the locking block 15 to move upwards along the guide groove 1202. The bottom end of the locking block 15 is completely removed from the locking groove 1401 at the top of the fixing block 14, releasing the vertical restriction on the fixing block 14. At the same time, the limiting block 17 slides upwards along the limiting groove 1203 to the limit position to prevent the locking block 15 from falling out of the guide groove 1202. At this time, the operator can then horizontally pull the fixing block 14 out of the fixing groove 1201 to complete the disassembly of the detection head 13. When installing the detection head 13, the operator inserts the fixing block 14 into the fixing groove. Inside 1201, the front end of the fixing block 14 first contacts the inclined surface 1501 at the bottom of the locking block 15. As the fixing block 14 continues to go deeper, the inclined surface 1501 converts the horizontal thrust into an upward component force, pushing the locking block 15 to move upward along the guide groove 1202 and compressing the locking block 15's own weight or the additionally set spring 16. When the fixing block 14 is fully inserted into the fixing groove 1201 and the locking groove 1401 moves to directly below the locking block 15, the locking block 15 automatically moves downward under the action of gravity or the rebound of the spring 16, and its bottom end is locked into the locking groove 1401, realizing the rapid locking of the fixing block 14 and the detection head 13.

[0035] After the inspection is completed, the gripper 10 located on the far right of the transverse connecting plate 9 picks up the finished bearing from the second positioner 25. If the inspection result is qualified, the gripper 10 moves the finished bearing above the discharge port 27 (qualified port) on the top right side of the worktable 2 and releases it. The finished bearing falls from the discharge port 27 into a corresponding storage bin 29 below. If the inspection result is unqualified, the gripper 10 moves the finished bearing above the discharge port 27 (unqualified port) on the left and releases it. The unqualified product falls into another storage bin 29. When the storage bin 29 is full, the external power source is activated to drive one of the rotating shafts 30 to rotate. The rotating shaft 30 drives the chain 33 through the sprocket 32 ​​at its end. When the chain 33 moves, it drives all the sprockets 32 and all the shafts 30 to rotate synchronously. Each shaft 30 drives the corresponding guide roller 31 to rotate. Since the top of each guide roller 31 protrudes from the bottom plate of the U-shaped frame 28, when the guide roller 31 rotates, it pushes the collection bin 29 to move outward automatically along the length of the U-shaped frame 28 through friction. When the empty collection bin 29 is loaded, the power source is started to make the shaft 30 rotate in the opposite direction. The guide roller 31 rotates in the opposite direction, automatically guiding the collection bin 29 into the U-shaped frame 28 until the end of the collection bin 29 is inserted into the collection bin positioning groove 2801 to complete the positioning. At this time, the collection bin 29 is accurately located directly below the corresponding discharge port 27, waiting for the next collection.

[0036] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A bearing assembly testing device, comprising a frame (1), characterized in that: The frame (1) is equipped with a controller (26), and a workbench (2) is installed on the top of the frame (1). From left to right, a conveyor (3), an assembler (4) and a detection component (5) are arranged on the top of the workbench (2). A needle roller feed tube (401) is provided on the assembler (4). A first positioner (24) and a second positioner (25) are rotatably fitted on the top of the workbench (2). The first positioner (24) is located at the bottom of the assembler (4), and the second positioner (25) is located at the bottom of the detection component (5). The detection assembly (5) has a support plate (11), a horizontal plate (12) and a detection head (13). The support plate (11) is vertically installed on the top of the frame (1). The horizontal plate (12) is horizontally installed on the top of the support plate (11). A fixing block (14) is installed at the end of the detection head (13). A fixing groove (1201) is opened in the horizontal plate (12). The fixing block (14) is fitted in the fixing groove (1201). The horizontal plate (12) has a vertically opened guide groove (1202), which is connected to the fixed groove (1201). A locking block (15) is vertically slidably fitted in the guide groove (1202). A slope (1501) is opened on one side of the bottom of the locking block (15). A locking groove (1401) is opened on the top of the fixed block (14). The bottom end of the locking block (15) is locked in the locking groove (1401).

2. The bearing assembly testing equipment according to claim 1, characterized in that, A pull rod (18) is vertically installed on the top of the card block (15), and a through hole is opened on the top of the horizontal plate (12). The through hole is connected to the guide groove (1202), and the pull rod (18) slides vertically in the guide groove (1202).

3. The bearing assembly testing equipment according to claim 2, characterized in that, A limiting block (17) is installed on one side of the card block (15), and a limiting groove (1203) is vertically opened in the horizontal plate (12). The limiting groove (1203) is connected to the guide groove (1202), and the limiting block (17) slides vertically in the limiting groove (1203).

4. The bearing assembly testing equipment according to claim 1, characterized in that, The conveyor (3) is equipped with a U-shaped plate (19), and four T-shaped guide blocks (20) are installed at the bottom of the U-shaped plate (19) along the conveying direction of the conveyor (3). Two of the T-shaped guide blocks (20) cooperate with the conveyor (3) to form a cage conveying area (301), and the other two T-shaped guide blocks (20) cooperate with the conveyor (3) to form an outer ring conveying area (302).

5. The bearing assembly testing equipment according to claim 4, characterized in that, The front end of the conveyor (3) is equipped with a positioning platform (21). The top of the positioning platform (21) is provided with a retainer retention groove (22) and an outer ring retention groove (23) on both sides. The retainer retention groove (22) is connected to the retainer conveying area (301), and the outer ring retention groove (23) is connected to the outer ring conveying area (302).

6. The bearing assembly testing equipment according to claim 1, characterized in that, A linear module (6) is installed at the front end of the top of the workbench (2). A mounting base (7) is installed at the moving end of the linear module (6). A cylinder (8) is vertically installed on the mounting base (7). A transverse connecting plate (9) is horizontally installed at the bottom end of the cylinder (8). Four grippers (10) are installed on the outer surface of the transverse connecting plate (9).

7. The bearing assembly testing equipment according to claim 1, characterized in that, The workbench (2) has two vertically opened discharge ports (27) on one side of the top. A U-shaped frame (28) is installed inside the frame (1). Two storage bins (29) are slidably fitted inside the U-shaped frame (28). The two storage bins (29) are located at the bottom of the corresponding discharge ports (27).

8. The bearing assembly testing equipment according to claim 7, characterized in that, Two storage compartment positioning slots (2801) are provided on the inner side of the U-shaped frame (28), and one end of each of the two storage compartments (29) is respectively fitted into the corresponding storage compartment positioning slot (2801).

9. The bearing assembly testing equipment according to claim 8, characterized in that, The U-shaped frame (28) has multiple horizontally opened rotating holes (2802), each rotating hole (2802) is rotatably fitted with a rotating shaft (30), each rotating shaft (30) is fitted with a guide roller (31), and the top of each guide roller (31) protrudes from the bottom plate of the U-shaped frame (28).

10. A bearing assembly testing device according to claim 9, characterized in that, Each of the shafts (30) has a sprocket (32) fitted at its end, and a chain (33) meshes on each of the sprockets (32).

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