Bearing press-fitting equipment for hub of electric vehicle
By introducing components such as slides, motors, and threaded rods into the electric vehicle wheel hub bearing press-fitting equipment for limiting and fixing, and designing a replaceable pressing block structure, the problem of inaccurate fit caused by the lack of wheel hub limiting is solved, the press-fitting quality is improved and the equipment cost is reduced.
Patent Information
- Application Number
- CN202423208747.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing electric vehicle wheel hub bearing press-fitting equipment does not limit and fix the wheel hub during use, resulting in inaccurate fit between the bearing and the wheel hub, affecting performance and safety. In addition, the equipment cannot change the type of press block, making it practically limited.
The device employs a combination of a slide groove, a second motor, a second threaded rod, a moving block, a connecting plate, a sliding seat, a limit rod, a sliding plate, and an inclined groove for limiting and fixing. The design of a fixed block, a U-shaped rod, a connecting rod, a movable block, a rotating plate, a spring, an insert block, a partition plate, and a support plate enables rapid replacement of the pressure block model.
It achieves effective positioning and fixing of electric vehicle wheel hubs, preventing displacement, improving pressing quality, and reducing equipment procurement and maintenance costs and resource waste through replaceable pressing block design.
Smart Images

Figure CN223670610U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bearing press equipment technical field, concretely relates to bearing press equipment of electric motor car wheel hub. BACKGROUND
[0002] The bearing press equipment of electric motor car wheel hub is an automatic or semi-automatic mechanical equipment for realizing accurate and efficient assembly of shaft and bearing parts in the electric motor car wheel hub, which can save the trouble of manually placing parts on the tooling by the operator, realize the effect of automatic assembly, and effectively reduce the labor intensity.
[0003] The existing technology has the following problems:
[0004] The existing device does not limit and fix the wheel hub of the electric motor car during use, and if the wheel hub is not effectively limited and fixed during the bearing press process, it may move or tilt due to external force, which will lead to inaccurate cooperation between the bearing and the wheel hub, affect the performance and safety of the entire wheel hub assembly, and the existing device does not have the function of replacing the type of pressing block, so that the type of wheel hub pressed by the device is single, and the practicality cannot be improved. INVENTION CONTENTS
[0005] The utility model provides a bearing press equipment of electric motor car wheel hub to solve the problems in the above background technology.
[0006] To solve the above technical problems, the utility model adopts the following technical scheme:
[0007] A bearing press equipment of electric motor car wheel hub, comprising a base, the front side of the base is fixedly connected with an operator, the upper side of the base is provided with a limiting slot at both ends, the upper side of the base is fixedly connected with a sliding table at the rear end, the upper side of the sliding table is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a first threaded rod, the outer wall of the first threaded rod is threadedly connected with a moving rod, the front end of the moving rod is provided with a clamping mechanism, and the inner surface of the limiting slot is slidably connected with a moving plate.
[0008] The utility model technical scheme is further improved in that: a sliding groove is formed in the inside of the base, a second motor is fixedly connected to the inner surface left side of the sliding groove, a second threaded rod is fixedly connected to the output end of the second motor, a moving block is threadedly connected to the outer wall of the second threaded rod, a connecting plate is rotatably connected to the front side of the moving block, and a sliding seat is rotatably connected to the other end of the connecting plate.
[0009] A further improvement of this utility model is that: the lower side of the sliding seat is slidably connected to the sliding groove, and inclined grooves are provided at both the left and right ends of the upper side of the sliding seat. A guide post is slidably connected to the inner surface of the inclined groove, and the upper end of the guide post is fixedly connected to the moving plate. Slide plates are fixedly connected to the lower ends of the front and rear sides of the moving plate. Two limiting rods are fixedly connected to the left and right sides of the inner surface of the sliding groove, and the outer wall of the limiting rod is slidably connected to the slide plate.
[0010] A further improvement of the present invention is that the snap-fit mechanism includes a fixed block, a partition is fixedly connected to the inner wall of the fixed block, a connecting rod is fixedly connected to both the left and right ends of the upper side of the inner wall of the fixed block, a spring is sleeved on the outer wall of the connecting rod, a movable block is slidably connected to the outer wall of the connecting rod, a rotating plate is rotatably connected to the opposite surfaces of the two movable blocks, an insert is rotatably connected to the other end of the rotating plate, and a U-shaped rod is fixedly connected to the upper side of the movable block.
[0011] A further improvement of the present invention is that: a movable connecting block is passed through the lower side of the fixing block, a connecting column is fixedly connected to the upper side of the pressing block, slots are provided on both the left and right sides of the connecting column, and two support plates are fixedly connected to the upper side of the partition.
[0012] A further improvement of this utility model is that: the outer wall of the insert block is slidably connected to the support plate, the outer wall of the insert block is movably connected to the slot, and the outer wall of the U-shaped rod is slidably connected to the fixing block.
[0013] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:
[0014] 1. This utility model provides a bearing press-fitting device for electric vehicle wheel hubs. Through the cooperation of a sliding groove, a second motor, a second threaded rod, a moving block, a connecting plate, a sliding seat, a limiting rod, a sliding plate, and an inclined groove, the electric vehicle wheel hub can be limited and fixed during press-fitting, preventing displacement during press-fitting and improving the quality of press-fitting.
[0015] 2. This utility model provides a bearing press-fitting device for electric vehicle wheel hubs. Through the cooperation of a fixed block, a U-shaped rod, a connecting rod, a movable block, a rotating plate, a spring, an insert block, a partition plate, and a support plate, the model of the press block can be quickly changed. The design of replaceable press blocks can reduce the dependence on various special press-fitting equipment, thereby reducing the equipment procurement and maintenance costs. At the same time, since the equipment can adapt to the press-fitting of various bearing models, it also reduces the waste of resources caused by equipment idleness. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 The utility model discloses a limiting structure schematic view for the utility model;
[0018] Figure 3 For Figure 2 The structure amplification schematic view of middle A place;
[0019] Figure 4 The utility model discloses a clamping structure schematic view for the utility model;
[0020] Figure 5 The utility model discloses a part structure section schematic view.
[0021] In the drawing: 1, base, 2, operator, 3, sliding table, 4, first motor, 5, first threaded rod, 6, moving rod, 7, clamping mechanism, 8, moving plate, 9, limiting groove, 10, sliding groove, 11, second motor, 12, second threaded rod, 13, moving block, 14, connecting plate, 15, sliding seat, 16, limiting rod, 17, sliding plate, 18, inclined groove, 19, guide column, 20, pressing block, 21, connecting column, 22, slot, 71, fixed block, 72, U-shaped rod, 73, connecting rod, 74, movable block, 75, rotating plate, 76, spring, 77, plug block, 78, partition, 79, support plate. DETAILED DESCRIPTION
[0022] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments:
[0023] As Figure 1 The utility model provides a bearing press fitting equipment of electric motor car wheel hub, including base 1, the front side fixed connection of base 1 has operator 2, the upper side left and right ends of base 1 are all set up with limiting groove 9, the upper side rear end of base 1 is fixedly connected with sliding table 3, the upper side of sliding table 3 is fixedly connected with first motor 4, and the output end of first motor 4 is fixedly connected with first threaded rod 5, and the outer wall of first threaded rod 5 is threadedly connected with moving rod 6, and the front end of moving rod 6 is provided with clamping mechanism 7, and the inner surface of limiting groove 9 is slidably connected with moving plate 8, when carrying out press fitting to electric motor car wheel hub, first replacing the appropriate pressing block 20 through clamping mechanism 7, then the wheel hub is placed on the upper side of base 1, and the wheel hub is clamped and held, then starting first motor 4, and first motor 4 can drive moving rod 6 to move through first threaded rod 5, to drive clamping mechanism 7 to move, and the wheel hub is press fitted.
[0024] As Figures 2-3As shown, the utility model provides a technical scheme: preferably, the inside of base 1 is provided with sliding slot 10, the inner surface left side of sliding slot 10 is fixedly connected with second motor 11, the output of second motor 11 is fixedly connected with second screw rod 12, the outer wall of second screw rod 12 is connected with moving block 13, the front side of moving block 13 is rotatably connected with connecting plate 14, the other end of connecting plate 14 is rotatably connected with sliding seat 15, the downside of sliding seat 15 is slidably connected with sliding slot 10, the upside of sliding seat 15 is provided with inclined slot 18 on both ends, the inner surface of inclined slot 18 is slidably connected with guide column 19, the upper end of guide column 19 is fixedly connected with moving plate 8, the downside of both sides of moving plate 8 is fixedly connected with slide 17, the inner surface left and right sides of sliding slot 10 are fixedly connected with two limit rods 16, the outer wall of limit rod 16 is slidably connected with slide 17, when limiting and clamping wheel hub, can start second motor 11, second motor 11 can drive moving block 13 to move through second screw rod 12, moving block 13 moves and can drive connecting plate 14 to rotate, thereby can pull or push sliding seat 15 and move in sliding slot 10, in the process of sliding seat 15 movement, can drive inclined slot 18 to move, the mutual cooperation of inclined slot 18 and guide column 19 can drive two moving plates 8 to move to the middle or opposite direction simultaneously, when moving plate 8 moves to the middle, can limit and clamp wheel hub, avoid displacement when pressing and mounting, improve the quality of device pressing and mounting.
[0025] As Figures 4-5As shown, the utility model provides a technical scheme: preferably, the clamping mechanism 7 includes fixed block 71, the inner wall fixed connection of fixed block 71 has the baffle 78, the upper side left and right ends of fixed block 71 inner wall all are fixedly connected with connecting rod 73, the outer wall of connecting rod 73 is equipped with spring 76, the outer wall of connecting rod 73 is connected with movable block 74, the opposite surface of two movable blocks 74 all are rotatably connected with the rotation plate 75, the other end of rotation plate 75 is rotatably connected with the plug block 77, the upper side of movable block 74 is fixedly connected with U-shaped rod 72, the lower side of fixed block 71 is connected with movable block 20, the upper side of pressure block 20 is fixedly connected with connecting column 21, the left and right sides of connecting column 21 all are equipped with the slot 22, the upper side of baffle 78 is fixedly connected with two branch plates 79, the outer wall of plug block 77 is connected with branch plate 79, the outer wall of plug block 77 is movably connected with the slot 22, the outer wall of U-shaped rod 72 is movably connected with fixed block 71, in the process of replacing pressure block 20, can pull U-shaped rod 72 first and move, U-shaped rod 72 moves and can drive movable block 74 to move, movable block 74 moves and can drive rotation plate 75 to rotate, so as to pull plug block 77 and move in branch plate 79, when plug block 77 moves completely and separates from the slot 22, connecting column 21 can be taken down, so as to take down pressure block 20, when installing new pressure block 20, pull U-shaped rod 72 and collect plug block 77 into the inside of branch plate 79, when this will stretch spring 76, then connecting column 21 is completely inserted into the inside of fixed block 71, then release U-shaped rod 72, spring 76 will drive movable block 74 to reset, pull movable block 74 and move reversely, and can drive plug block 77 to move reversely similarly, reinsert plug block 77 into the slot 22 in connecting column 21, limit and fix pressure block 20, can reduce the dependence on a variety of special press fitting equipment, so as to reduce the procurement cost and maintenance cost of equipment.
[0026] The working principle of the bearing press fitting equipment of the electric vehicle hub will be described in detail below.
[0027] As Figures 1-5As shown, when the electric vehicle wheel hub is pressed, the appropriate pressing block 20 is replaced through the clamping mechanism 7, and in the process of replacing the pressing block 20, the U-shaped rod 72 can be pulled to move, the movement of the U-shaped rod 72 can drive the movable block 74 to move, the movement of the movable block 74 can drive the rotating plate 75 to rotate, so that the plug block 77 can be pulled to move in the supporting plate 79, and when the plug block 77 is completely separated from the insertion slot 22, the connecting column 21 can be removed, so that the pressing block 20 can be removed, when the new pressing block 20 is installed, the U-shaped rod 72 is pulled to retract the plug block 77 into the inside of the supporting plate 79, at this time the spring 76 is stretched, then the connecting column 21 is completely inserted into the inside of the fixed block 71, then the U-shaped rod 72 is loosened, the spring 76 drives the movable block 74 to reset, the movable block 74 is pulled to move reversely, and the plug block 77 can be reversely moved in the same way, the plug block 77 is reinserted into the insertion slot 22 in the connecting column 21, and the pressing block 20 is limited and fixed, so that the dependence on various special pressing equipment can be reduced, the procurement cost and maintenance cost of the equipment can be reduced, then the wheel hub is placed on the upper side of the base 1, the wheel hub is limited and clamped, when the wheel hub is limited and clamped, the second motor 11 can be started, the second motor 11 can drive the moving block 13 to move through the second threaded rod 12, the movement of the moving block 13 can drive the connecting plate 14 to rotate, so that the sliding seat 15 can be pulled or pushed to move in the sliding groove 10, in the process of moving the sliding seat 15, the inclined groove 18 can be driven to move, the inclined groove 18 and the guide column 19 can drive the two moving plates 8 to move towards the middle or in the opposite direction at the same time, when the moving plates 8 move towards the middle, the wheel hub can be limited and clamped, so that the displacement of the wheel hub during pressing can be avoided, the quality of the pressing of the device is improved, then the first motor 4 is started, the first motor 4 can drive the moving rod 6 to move through the first threaded rod 5, so that the clamping mechanism 7 can be moved, and the wheel hub is pressed.
[0028] The above has made a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.
Claims
1. A bearing press equipment for an electric vehicle wheel hub, characterized in that: The utility model provides a kind of operation device, including base (1), the front side of base (1) is fixedly connected with operator (2), the upper side left and right ends of base (1) are all provided with limiting slot (9), the upper side rear end of base (1) is fixedly connected with sliding table (3), the upper side of sliding table (3) is fixedly connected with first motor (4), the output of first motor (4) is fixedly connected with first threaded rod (5), the outer wall of first threaded rod (5) is threadedly connected with moving rod (6), the front end of moving rod (6) is provided with clamping mechanism (7), the inner surface of limiting slot (9) is slidably connected with moving plate (8).
2. The bearing press equipment for an electric vehicle wheel hub according to claim 1, characterized in that: The inside of base (1) is provided with sliding slot (10), the inner surface left side of sliding slot (10) is fixedly connected with second motor (11), the output of second motor (11) is fixedly connected with second threaded rod (12), the outer wall of second threaded rod (12) is threadedly connected with moving block (13), the front side of moving block (13) is rotatably connected with connecting plate (14), the other end of connecting plate (14) is rotatably connected with sliding seat (15).
3. The bearing press equipment for an electric vehicle wheel hub of claim 2, wherein: The lower side of sliding seat (15) is slidably connected with sliding slot (10), the upper side left and right ends of sliding seat (15) are all provided with inclined slot (18), the inner surface of inclined slot (18) is slidably connected with guide column (19), the upper end of guide column (19) is fixedly connected with moving plate (8), the front and rear sides lower end of moving plate (8) is fixedly connected with slide plate (17), the inner surface left and right sides of sliding slot (10) are fixedly connected with two limit rods (16), the outer wall of limit rod (16) is slidably connected with slide plate (17).
4. The bearing press equipment for an electric vehicle wheel hub of claim 1, wherein: The clamping mechanism (7) includes fixed block (71), the inner wall of fixed block (71) is fixedly connected with partition (78), the left and right ends of the upper side of fixed block (71) are fixedly connected with connecting rod (73), the outer wall of connecting rod (73) is sleeved with spring (76), the outer wall of connecting rod (73) is slidably connected with movable block (74), the opposite surfaces of two movable blocks (74) are rotatably connected with rotating plate (75), the other end of rotating plate (75) is rotatably connected with plug block (77), the upper side of movable block (74) is fixedly connected with U-shaped rod (72).
5. The bearing press equipment for an electric vehicle wheel hub of claim 4, wherein: The lower side of fixed block (71) is connected with movable block (20), the upper side of movable block (20) is fixedly connected with connecting column (21), the left and right sides of connecting column (21) are provided with insertion slot (22), the upper side of partition (78) is fixedly connected with two supporting plates (79).
6. The bearing press equipment for an electric vehicle wheel hub of claim 5, wherein: The outer wall of plug block (77) is slidably connected with supporting plate (79), the outer wall of plug block (77) is movably connected with insertion slot (22), the outer wall of U-shaped rod (72) is slidably connected with fixed block (71).