Multi-station bearing press fitting tool
By introducing a turntable and pneumatic slide structure into the bearing press-fit fixture, the problem that the traditional fixture's single-station slot cannot adapt to bearings of multiple sizes is solved, realizing flexible adaptability and efficient press-fitting of multi-station bearings.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2026-04-03
AI Technical Summary
Traditional bearing press-fitting fixtures are single-station slots, which cannot meet the press-fitting needs of bearings of various sizes, resulting in significant limitations in their use.
A multi-station bearing press-fit fixture is designed, which adopts a turntable structure with assembly slots for different shaft diameters. Combined with a pneumatic slide and a feeding mechanism, it can realize the press-fitting of various bearing sizes.
It enables flexible press fitting for various bearing sizes, improving the versatility and efficiency of the tooling.
Smart Images

Figure CN224073762U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of bearing press-fitting technology, and specifically relates to a multi-station bearing press-fitting fixture. Background Technology
[0002] Bearing press fitting machines are currently widely used motor bearing installation mechanisms. Bearing press fitting relies on the interference fit between the shaft and the inner ring of the bearing (or the seat hole and the outer ring). Mechanical force is used to cause elastic / plastic deformation of the mating surfaces, forming a gapless fast connection.
[0003] Traditional bearing press-fitting fixtures are mostly single-station slots with fixed dimensions, which can only accommodate bearings of a single size. This limits the application of bearing press-fitting to bearings of fixed sizes and cannot adequately meet the needs of press-fitting bearings of various sizes. Therefore, designing a multi-station bearing press-fitting fixture is of great significance. Summary of the Invention
[0004] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a multi-station bearing press-fitting fixture.
[0005] The objective of this utility model can be achieved through the following technical solution: A multi-station bearing press-fitting fixture, characterized in that it includes a fixture frame, a guide rod is fixedly mounted on the fixture frame, a press-fitting plate is slidably mounted on the guide rod, a rotatable turntable is mounted on both the press-fitting plate and the fixture frame, the turntable has several assembly slots with different shaft diameters, a guide block is fixedly mounted on the press-fitting plate and the guide block is sleeved on the surface of the guide rod, and a feeding mechanism is fixedly mounted on both the fixture frame and the press-fitting plate.
[0006] In the aforementioned multi-station bearing press-fitting fixture, a slide rail is fixedly mounted on the fixture frame, a pneumatic slide table is mounted on the slide rail, and a positioning mechanism is mounted on the pneumatic slide table.
[0007] In the aforementioned multi-station bearing press-fitting fixture, the positioning mechanism includes a limiting rod slidably mounted on a pneumatic slide table. A fixing plate is fixedly mounted on the top of the limiting rod. A placement platform is fixedly mounted on the fixing plate. A telescopic cylinder is fixedly mounted on the fixing plate. A connecting plate is fixedly mounted on the output end of the telescopic cylinder. A clamping block that cooperates with the placement platform is fixedly mounted on the connecting plate.
[0008] In the aforementioned multi-station bearing press-fitting fixture, a lead screw motor is fixedly mounted on the pneumatic slide, and a threaded sleeve block is fixedly mounted on the bottom of the fixed plate, with the threaded sleeve block fitted onto the lead screw of the lead screw motor.
[0009] In the aforementioned multi-station bearing press-fitting fixture, the feeding mechanism includes a loading platform, a support rod is fixedly mounted on the loading platform, a detachable loading rod is mounted on one side of the support rod, an inlet is provided on the loading platform and the inlet is located directly below the loading rod, an outlet is provided on one side of the loading platform and the inlet and outlet are connected, and a feeding plate is fixedly mounted at the outlet.
[0010] In the aforementioned multi-station bearing press-fitting fixture, a telescopic cylinder 2 is fixedly installed on one side of the loading platform, a connecting plate 2 is fixedly installed at the output end of the telescopic cylinder 2, and a push plate is fixedly installed on the connecting plate 2, and the push plate is slidably installed inside the loading platform.
[0011] In the aforementioned multi-station bearing press-fitting fixture, a telescopic cylinder three is fixedly installed on the loading platform, and a baffle is fixedly installed at the output end of the telescopic cylinder three, with the baffle located at the feeding plate.
[0012] In the aforementioned multi-station bearing press-fitting fixture, a pneumatic slide table 2 is fixedly installed at the bottom of the press-fitting plate, and the pneumatic slide table 2 is mounted on a slide rail.
[0013] Compared with existing technologies, this multi-station bearing press-fit fixture is equipped with a turntable with bearing assembly slots of different sizes. During bearing assembly, the turntable can be adjusted according to the size of the bearing to be assembled, and the assembly slot on the turntable can be adjusted to match the bearing. This allows the fixture to achieve press-fitting of bearings of various sizes at multiple stations. Attached Figure Description
[0014] Figure 1 This is a three-dimensional schematic diagram of the multi-station bearing press-fitting fixture.
[0015] Figure 2 This is a schematic diagram of the assembly slot structure of this multi-station bearing press-fitting fixture.
[0016] Figure 3 This is a schematic diagram of the positioning mechanism of this multi-station bearing press-fitting fixture.
[0017] Figure 4 This is a schematic diagram of the feeding mechanism of this multi-station bearing press-fitting fixture.
[0018] In the diagram, 1. Tooling frame; 2. Guide rod; 3. Press plate; 4. Turntable; 5. Assembly slot; 6. Guide block; 7. Feeding mechanism; 8. Slide rail; 9. Pneumatic slide table one; 10. Positioning mechanism; 11. Limit rod; 12. Fixing plate; 13. Placement platform; 14. Telescopic cylinder one; 15. Connecting plate one; 16. Clamping block; 17. Screw motor; 18. Threaded sleeve block; 19. Loading platform; 20. Support rod; 21. Loading rod; 22. Inlet; 23. Outlet; 24. Feeding plate; 25. Telescopic cylinder two; 26. Connecting plate two; 27. Push plate; 28. Telescopic cylinder three; 29. Baffle; 30. Pneumatic slide table two. Detailed Implementation
[0019] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.
[0020] like Figure 1-4 As shown, this multi-station bearing press-fit fixture includes a fixture frame 1, a guide rod 2 fixedly mounted on the fixture frame 1, a press-fit plate 3 slidably mounted on the guide rod 2, and a rotatable turntable 4 mounted on both the press-fit plate 3 and the fixture frame 1. The turntable 4 has several assembly slots 5 with different shaft diameters. A guide block 6 is fixedly mounted on the press-fit plate 3 and is fitted onto the surface of the guide rod 2. A feeding mechanism 7 is fixedly mounted on both the fixture frame 1 and the press-fit plate 3. The turntable 4 has bearing assembly slots 5 of different sizes. When assembling bearings, the turntable 4 can be rotated by a drive device according to the size of the bearing to be assembled, and the assembly slot 5 on the turntable 4 that matches the bearing can be adjusted to the top, that is, to dock with the feeding mechanism 7. Thus, the fixture can realize press-fitting of bearings of various sizes at multiple stations.
[0021] Preferably, a slide rail 8 is fixedly installed on the tooling frame 1, a pneumatic slide table 9 is installed on the slide rail 8, and a positioning mechanism 10 is installed on the pneumatic slide table 9. The positioning mechanism 10 is used to position the motor rotor to be assembled.
[0022] Preferably, the positioning mechanism 10 includes a limiting rod 11 slidably disposed on a pneumatic slide table 9, a fixing plate 12 fixedly disposed at the top of the limiting rod 11, a placement platform 13 fixedly disposed on the fixing plate 12, a telescopic cylinder 14 fixedly disposed on the fixing plate 12, a connecting plate 15 fixedly disposed at the output end of the telescopic cylinder 14, and a clamping block 16 that cooperates with the placement platform 13 fixedly disposed on the connecting plate 15. The motor rotor is placed on the placement platform 13, and the clamping block 16 is moved by the telescopic cylinder 14. The clamping block 16 cooperates with the placement platform 13 to clamp and position the rotor.
[0023] Preferably, a lead screw motor 17 is fixedly installed on the pneumatic slide table 9, and a threaded sleeve block 18 is fixedly installed at the bottom of the fixing plate 12. The threaded sleeve block 18 is sleeved on the lead screw of the lead screw motor 17. By using the lead screw motor 17 and the threaded sleeve block 18 in cooperation, the position of the placement block can be adjusted, which facilitates the adjustment of the rotor axis position, so that the rotor and the bearing are on the same axis.
[0024] Preferably, the feeding mechanism 7 includes a loading platform 19, on which a support rod 20 is fixedly installed. A detachable loading rod 21 is provided on one side of the support rod 20. The loading platform 19 has an inlet 22 located directly below the loading rod 21. An outlet 23 is provided on one side of the loading platform 19, and the inlet 22 and the outlet 23 are connected. A feeding plate 24 is fixedly installed at the outlet 23. The bearing to be assembled is sleeved on the loading rod 21. The bearing enters from the inlet 22, exits from the outlet 23, and slides into the assembly groove 5 through the feeding plate 24.
[0025] Preferably, a telescopic cylinder 25 is fixedly installed on one side of the loading platform 19, and a connecting plate 26 is fixedly installed at the output end of the telescopic cylinder 25. A push plate 27 is fixedly installed on the connecting plate 26 and is slidably installed in the loading platform 19. After the bearing enters the feed port 22, the telescopic cylinder 25 drives the push plate 27 to move, and the push plate 27 pushes the bearing out.
[0026] Preferably, a telescopic cylinder 28 is fixedly installed on the loading platform 19, and a baffle 29 is fixedly installed at the output end of the telescopic cylinder 28. The baffle 29 is located at the feeding plate 24. When the bearing slides from the feeding plate 24 into the assembly groove 5, the telescopic cylinder 28 is used to move the baffle 29. The baffle 29 blocks in front of the turntable 4 to ensure the stability of the bearing sliding and to make the bearing fall stably into the assembly groove 5.
[0027] Preferably, a pneumatic slide table 30 is fixedly provided at the bottom of the press plate 3, and the pneumatic slide table 30 is provided on the slide rail 8.
[0028] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.
[0029] Although this document uses a number of technical terms, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this invention; interpreting them as any additional limitation would contradict the spirit of this invention.
Claims
1. A multi-station bearing press-fitting tool, characterized by, Including tooling frame (1), Fixedly arranged with guide rod (2) on the tooling frame (1), The guide rod (2) is slidably arranged with the pressure assembly plate (3), The pressure assembly plate (3) and tooling frame (1) are all provided with rotatable turntable (4), The turntable (4) is provided with several assembly grooves (5) of different shaft diameters, The pressure assembly plate (3) is fixedly provided with guide block (6), and the guide block (6) is sleeved on the surface of the guide rod (2), The tooling frame (1) and pressure assembly plate (3) are all fixedly provided with feeding mechanism (7).
2. The multi-station bearing press-fitting tool according to claim 1, wherein, The tooling frame (1) is fixedly provided with slide rail (8), The slide rail (8) is provided with pneumatic slide table one (9), The pneumatic slide table one (9) is provided with positioning mechanism (10).
3. The multi-station bearing press fitting tool of claim 2, wherein, The positioning mechanism (10) includes a limiting rod (11) slidably arranged on the pneumatic slide table one (9), The limiting rod (11) is fixedly provided with a fixed plate (12) at the top, The fixed plate (12) is fixedly provided with a placement table (13), The fixed plate (12) is fixedly provided with a telescopic cylinder one (14), The output end of the telescopic cylinder one (14) is fixedly provided with a connecting plate one (15), The connecting plate one (15) is fixedly provided with a clamping block (16) cooperating with the placement table (13) to clamp.
4. The multi-station bearing press fitting tool of claim 3, wherein, The pneumatic slide table one (9) is fixedly provided with a lead screw motor (17), The bottom of the fixed plate (12) is fixedly provided with a threaded sleeve block (18), and the threaded sleeve block (18) is sleeved on the lead screw of the lead screw motor (17).
5. The multi-station bearing press fitting tool of claim 1, wherein, The feeding mechanism (7) includes a loading table (19), The loading table (19) is fixedly provided with a support rod (20), One side of the support rod (20) is provided with a detachable loading rod (21), The loading table (19) is provided with a feeding port (22), and the feeding port (22) is located directly below the loading rod (21), One side of the loading table (19) is provided with a discharge port (23), and the feeding port (22) and the discharge port (23) are communicated, The discharge port (23) is fixedly provided with a feeding plate (24).
6. The multi-station bearing press fitting tool of claim 5, wherein, One side of the loading table (19) is fixedly provided with a telescopic cylinder two (25), The output end of the telescopic cylinder two (25) is fixedly provided with a connecting plate two (26), The connecting plate two (26) is fixedly provided with a push plate (27), and the push plate (27) is slidably arranged in the loading table (19).
7. The multi-station bearing press fitting tool of claim 5, wherein, The loading table (19) is fixedly provided with a telescopic cylinder three (28), The output end of the telescopic cylinder three (28) is fixedly provided with a baffle (29), and the baffle (29) is located at the feeding plate (24).
8. The multi-station bearing press fitting tool of claim 1, wherein, The bottom of the pressure assembly plate (3) is fixedly provided with a pneumatic slide table two (30), and the pneumatic slide table two (30) is arranged on the slide rail (8).