Bearing press-fitting mechanism for sleeve assembly
By combining an electric actuator, a pressure sensor, and a limiting plate structure, the problem of inaccurate pressing force control in existing technologies is solved, achieving a stable connection between the bearing and the sleeve and protection of the components.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-03
AI Technical Summary
The existing bearing pressing mechanism for sleeve assembly cannot accurately control the pressing force, which makes the bearing and sleeve easy to loosen or be damaged.
By employing an electric actuator, pressure sensor, and pressing fixture assembly, combined with a spring and limiting plate structure, the pressing force can be accurately detected and offset, preventing damage to the disc due to pressure.
This achieves a stable connection between the bearing and the sleeve, ensuring that the pressing force is appropriate and does not damage the sleeve assembly.
Smart Images

Figure CN223960841U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bearing assembly technology, and more specifically, to a bearing press-fitting mechanism for sleeve assembly. Background Technology
[0002] Before using the bearing, it is necessary to install the bearing on the bearing housing and to install the shaft onto the bearing. During this installation process, bearing sleeve tooling is needed to assemble the bearing with the bearing housing and to assemble the shaft with the bearing.
[0003] Existing bearing pressing mechanisms for sleeve assembly typically use an electric actuator to push a pressing fixture to press the bearing and sleeve together. It is unclear what pressure is needed to firmly press the bearing and sleeve together. Too little pressure will cause the bearing and sleeve to loosen easily, while too much pressure will damage the bearing and sleeve. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a bearing press-fitting mechanism for sleeve assembly, which solves the aforementioned problems.
[0006] (II) Technical Solution
[0007] To achieve the above-mentioned objectives, this utility model provides the following technical solution: a bearing press-fitting mechanism for sleeve assembly, comprising a base plate, wherein a feeding assembly, a press-fitting assembly, a support column, and several sets of support cylinders are respectively mounted on the base plate; a disc is mounted on the top of the support column; an annular disc is mounted on the top of the several sets of support cylinders; the inner wall of the annular disc is rotatably connected to the side wall of the disc; several sets of circular tubes are evenly mounted on the top of the annular disc; several sets of floating assemblies are evenly mounted on the top of the disc; the floating assemblies are connected to a mold assembly; a transmission assembly is installed between the lower outer wall of the support column and the base plate; and the tops of the several sets of support cylinders are fixedly connected to the tops of the annular disc.
[0008] Preferably, the feeding assembly includes a lifting device, several sets of the lifting devices are evenly fixed on the base plate, each set of the lifting devices is connected to a horizontal moving device, and each set of horizontal moving devices is connected to a robotic arm.
[0009] Preferably, the pressing assembly includes a second lifting device, several sets of the second lifting devices are evenly fixed on the base plate, each set of the second lifting devices is connected to an electric push rod, the output end of each set of electric push rods is equipped with a pressure sensor, and the bottom of each set of pressure sensors is equipped with a pressing fixture.
[0010] Preferably, the floating component includes a cylindrical cover, and several groups of the cylindrical covers are evenly installed on the top of the disk. Each group of cylindrical covers has a round rod inserted and connected to its top, and the lower end of each group of round rods is inserted and connected to the disk.
[0011] Preferably, an externally threaded rod is installed at the upper end of the round rod, the externally threaded rod is connected to the mold assembly, a limiting plate is installed on the outer wall of the round rod inside the cylinder cover, and a spring is installed between the bottom of the limiting plate and the top of the disc.
[0012] Preferably, several sets of circular rods are evenly inserted and connected to the bottom of several sets of annular disks, the lower end of each set of circular rods is located inside the support cylinder, and a limit plate is installed on the outer wall of each set of circular rods.
[0013] Preferably, a second spring is installed between the top of the second limiting plate and the top of the inner support cylinder, and the second spring is sleeved on the outside of the second round rod.
[0014] Preferably, the mold assembly includes threaded sleeves, and several sets of threaded sleeves are threadedly connected to the outer wall of the upper end of a round rod. A cylinder is installed at the top of each set of threaded sleeves, and a guide shaft is installed at the bottom of each set of cylinders.
[0015] Preferably, the transmission assembly includes a motor, which is fixedly connected to the base plate. A second bevel gear is installed at the output end of the motor, and a first bevel gear is installed on the lower outer wall of the support column. The first bevel gear and the second bevel gear are meshed together.
[0016] Preferably, a control device is installed on the top of the base plate, and the control device is electrically connected to the electric actuator and the pressure sensor respectively.
[0017] (III) Beneficial Effects
[0018] Compared with the prior art, the present invention provides a bearing press-fitting mechanism for sleeve assembly, which has the following advantages:
[0019] Through the interaction of components such as electric actuators, pressure sensors, and pressing fixtures, the bearings or sleeves inside the mold assembly can be compacted. At the same time, the pressure sensor can detect the pressure to ensure a stable connection between the bearings and sleeves.
[0020] Through the interaction of components such as spring one, round rod one, pressing fixture, cylinder, threaded sleeve, limiting plate one, spring one, round rod two, and base plate, the pressure output by the pressing fixture can be output to the base plate by the above components to offset it, thus preventing the disc from being damaged by pressure. Attached Figure Description
[0021] Figure 1 A schematic diagram of a preferred embodiment of the novel bearing press-fitting mechanism for sleeve assembly provided by this utility model;
[0022] Figure 2 for Figure 1 The diagram shows the internal structure of the support cylinder.
[0023] Figure 3 for Figure 1 The diagram shows the structure of the disk.
[0024] Figure 4 for Figure 2 The enlarged schematic diagram of part A shown below;
[0025] Figure 5 for Figure 2 The enlarged schematic diagram of section B is shown below;
[0026] Figure 6 for Figure 3 The enlarged schematic diagram of section C is shown.
[0027] In the diagram: 1. Base plate; 2. Feeding assembly; 21. Lifting device one; 22. Horizontal moving device; 23. Robot arm; 3. Pressing assembly; 31. Lifting device two; 32. Electric push rod; 33. Pressure sensor; 34. Pressing fixture; 4. Annular disc; 5. Disc; 6. Control device; 7. Mold assembly; 71. Guide shaft; 72. Cylinder; 73. Threaded sleeve; 8. Floating assembly; 81. External threaded rod; 82. Limiting plate one; 83. Spring one; 84. Round rod one; 85. Spring two; 86. Round rod two; 87. Limiting plate two; 88. Cylinder cover; 9. Support cylinder; 10. Round tube; 11. Transmission assembly; 111. Bevel gear one; 112. Bevel gear two; 113. Motor; 12. Support column. Detailed Implementation
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0029] Please see Figure 1-6 This utility model provides a technical solution:
[0030] A bearing press-fitting mechanism for sleeve assembly includes a base plate 1. The base plate 1 is respectively equipped with a feeding assembly 2, a press-fitting assembly 3, a support column 12, and several sets of support cylinders 9. A disc 5 is installed on the top of the support column 12. An annular disc 4 is installed on the top of the several sets of support cylinders 9. The inner wall of the annular disc 4 is rotatably connected to the side wall of the disc 5. Several sets of circular tubes 10 are evenly installed on the top of the annular disc 4. Several sets of bearings and sleeves are sleeved on the outer wall of each set of circular tubes 10. Several sets of floating assemblies 8 are evenly installed on the top of the disc 5. The floating assemblies 8 are connected to a mold assembly 7. A transmission assembly 11 is installed between the lower outer wall of the support column 12 and the base plate 1. The tops of the several sets of support cylinders 9 are fixedly connected to the tops of the annular disc 4.
[0031] Furthermore, the feeding assembly 2 includes a lifting device 21. Several sets of lifting devices 21 are evenly fixed on the base plate 1. Each set of lifting devices 21 is connected to a horizontal moving device 22. Each set of horizontal moving devices 22 is connected to a robot arm 23. Each set of lifting devices 21 corresponds to a set of round tubes 10. The lifting device 21 controls the horizontal moving device 22 to move up and down. The horizontal moving device 22 controls the robot arm 23 to install the bearings or sleeves on the round tubes 10 into the mold assembly 7.
[0032] Furthermore, the pressing assembly 3 includes a second lifting device 31. Several sets of second lifting devices 31 are evenly fixed on the base plate 1. Each set of second lifting devices 31 is connected to an electric push rod 32. Each set of electric push rods 32 has a pressure sensor 33 installed at its output end. Each set of pressure sensors 33 has a pressing fixture 34 installed at its bottom. When the disc 5 moves the mold assembly 7 to directly below the electric push rod 32, the output end of the electric push rod 32 pushes the pressure sensor 33 to drive the pressing fixture 34 to press the bearing or sleeve inside the mold assembly 7. At the same time, the pressure sensor 33 can perform pressure detection.
[0033] Furthermore, the floating component 8 includes a cylindrical cover 88, and several sets of cylindrical covers 88 are evenly installed on the top of the disk 5. A round rod 84 is inserted and connected to the top of each set of cylindrical covers 88, and the lower end of each set of round rods 84 is inserted and connected to the disk 5.
[0034] Furthermore, an external threaded rod 81 is installed at the upper end of the round rod 84, and the external threaded rod 81 is connected to the mold assembly 7. A limiting plate 82 is installed on the outer wall of the round rod 84 located inside the cylindrical cover 88. A spring 83 is installed between the bottom of the limiting plate 82 and the top of the disc 5. The spring 83 is sleeved on the outside of the round rod 84. When the pressing fixture 34 presses the mold assembly 7, the round rod 84 moves downward under force, and at the same time the limiting plate 82 squeezes the spring 83.
[0035] Furthermore, several sets of circular rods 86 are evenly inserted and connected to the bottom of several sets of annular discs 4. The lower end of each set of circular rods 86 is located inside the support cylinder 9. Each set of circular rods 86 has a limiting plate 87 installed on its outer wall. The limiting plate 87 is circular.
[0036] Furthermore, a spring 85 is installed between the top of the limiting plate 87 and the top of the inner support cylinder 9. The spring 85 is sleeved on the outside of the round rod 86. When the round rod 84 moves downward, it will squeeze the round rod 86. After the round rod 86 is compressed, its bottom end will touch the bottom plate 1, thereby offsetting the pressure and preventing the disc 5 from being pressured.
[0037] Furthermore, the mold assembly 7 includes threaded sleeves 73, and several sets of threaded sleeves 73 are threadedly connected to the outer wall of the upper end of the round rod 84. A cylinder 72 is installed on the top of each set of threaded sleeves 73, and a guide shaft 71 is installed at the bottom of each set of cylinders 72. The robot arm 23 sequentially inserts the bearing or sleeve into the guide shaft 71 and fills it into the cylinder 72, thereby completing the press-fitting of the bearing.
[0038] Furthermore, the transmission assembly 11 includes a motor 113, which is fixedly connected to the base plate 1. A second bevel gear 112 is installed at the output end of the motor 113, and a first bevel gear 111 is installed on the lower outer wall of the support column 12. The first bevel gear 111 meshes with the second bevel gear 112. The output end of the motor 113 drives the second bevel gear 112 to rotate continuously, so that the second bevel gear 112 drives the first bevel gear 111 to make the support column 12 rotate continuously.
[0039] Furthermore, a control device 6 is installed on the top of the base plate 1. The control device 6 is electrically connected to the electric push rod 32 and the pressure sensor 33 respectively. The control device 6 is a PLC controller.
[0040] Working principle: Several sets of bearings and sleeves to be installed are sequentially fitted onto each set of circular tubes 10. Then, the corresponding feeding components 2 sequentially remove the bearings or sleeves from the circular tubes 10 and send them into the mold components 7. Next, the pressing components 3 firmly press the bearings and sleeves inside the mold components 7 together. During the pressing process, the floating components 8 bear the pressure and transmit the pressure to the base plate 1 to prevent the disc 5 from being damaged by the pressure. The transmission components 11 control the positioning and rotation of the disc 5, and cooperate with each set of feeding components 2 and pressing components 3 to carry out the entire pressing process.
[0041] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A bearing press-fitting mechanism for sleeve assembly, comprising a base plate (1) provided with a feeding assembly (2), a press-fitting assembly (3), a supporting column (12) and a plurality of supporting cylinders (9) respectively, characterized in that: The top of the support column (12) is provided with a disc (5), and the top of a plurality of groups of support cylinders (9) is provided with an annular disc (4), the inner wall of the annular disc (4) is rotatably connected with the side wall of the disc (5), a plurality of groups of circular tubes (10) are uniformly arranged on the top of the annular disc (4), a plurality of groups of floating assemblies (8) are uniformly arranged on the top of the disc (5), the floating assembly (8) is connected with a mold assembly (7), a transmission assembly (11) is arranged between the outer wall of the lower end of the support column (12) and the bottom plate (1), and the top of a plurality of groups of support cylinders (9) is fixedly connected with the top of the annular disc (4).
2. A bearing press fitting mechanism for a sleeve assembly according to claim 1, characterized in that: The feeding assembly (2) comprises a lifting device one (21), a plurality of groups of lifting devices one (21) are uniformly fixed on the bottom plate (1), each group of lifting devices one (21) is connected with a horizontal moving device (22), and each group of horizontal moving devices (22) is connected with a mechanical hand (23).
3. A bearing press fitting mechanism for sleeve assembly according to claim 1, characterized in that: The press-fitting assembly (3) comprises a lifting device two (31), a plurality of groups of lifting devices two (31) are uniformly fixed on the bottom plate (1), each group of lifting devices two (31) is connected with an electric push rod (32), the output end of each group of electric push rods (32) is provided with a pressure sensor (33), and the bottom of each group of pressure sensors (33) is provided with a pressure fixture (34).
4. A bearing press fitting mechanism for sleeve assembly according to claim 1, characterized in that: The floating assembly (8) comprises a cylinder cover (88), a plurality of groups of cylinder covers (88) are uniformly arranged on the top of the disc (5), the top of each group of cylinder covers (88) is inserted and connected with a circular rod one (84), and the lower end of each group of circular rod one (84) is inserted and connected with the disc (5).
5. A bearing press assembly for a bushing assembly as set forth in claim 4, wherein: The upper end of the circular rod one (84) is provided with an external threaded rod one (81), the external threaded rod one (81) is connected with the mold assembly (7), the outer wall of the circular rod one (84) located in the cylinder cover (88) is provided with a limiting plate one (82), and the bottom of the limiting plate one (82) and the top of the disc (5) are provided with a spring one (83).
6. A bearing press assembly for a bushing assembly as set forth in claim 5, wherein: A plurality of groups of annular discs (4) are uniformly inserted and connected with a plurality of groups of circular rods two (86), the lower end of each group of circular rods two (86) is located in the support cylinder (9), and the outer wall of each group of circular rods two (86) is provided with a limiting plate two (87).
7. A bearing press assembly for a sleeve assembly as claimed in claim 6, wherein: The top of the limiting plate two (87) and the inner top of the support cylinder (9) are provided with a spring two (85), and the spring two (85) is sleeved outside the circular rod two (86).
8. A bearing press fitting mechanism for sleeve assembly according to claim 4, characterized in that: The mold assembly (7) comprises a threaded sleeve (73), a plurality of groups of threaded sleeves (73) are threadedly connected with the upper end of the outer wall of the circular rod one (84), the top of each group of threaded sleeves (73) is provided with a circular cylinder (72), and the inner bottom of each group of circular cylinders (72) is provided with a guide shaft (71).
9. A bearing press fitting mechanism for sleeve assembly according to claim 1, characterized in that: The transmission assembly (11) comprises a motor (113), the motor (113) is fixedly connected with the bottom plate (1), the output end of the motor (113) is provided with a bevel gear two (112), the lower end of the support column (12) is provided with a bevel gear one (111), and the bevel gear one (111) is meshedly connected with the bevel gear two (112).
10. A bearing press assembly for a bushing assembly as set forth in claim 3, wherein: The bottom plate (1) is provided with a control device (6) on the top, and the control device (6) is electrically connected with the electric push rod (32) and the pressure sensor (33) respectively.