Bearing press-in device

Abstract

The utility model discloses a bearing press-in device, the outer wall of the top of a fixed frame is respectively provided with a support clamping plate, the two side walls of the fixed frame are respectively provided with a hydraulic cylinder, the output end of the hydraulic cylinder is connected with a movable plate, a motor shaft rod to be assembled is placed on the support clamping plate, and then a bearing is placed in a material groove on an assembling plate, so that the bearing is pressed in the material groove. A material groove in an assembling plate is concentric with a motor shaft rod, then bearings in the material groove are installed at the two ends of the motor shaft rod, then a hydraulic cylinder drives a movable plate to retract, then the assembling plate is moved upwards, when the assembling plate moves to the topmost end, a compression spring drives an L-shaped plate to move to limit the assembling plate, and then the hydraulic cylinder drives the movable plate to move; and the movable plate can drive the limiting assembly to move, so that the limiting block can continuously abut against the bearing to move, the bearing can be installed on the side wall of the motor shaft rod at a time, two bearings can be assembled at the same time, and the production efficiency can be improved.

Description

Technical Field

[0001] The utility model specifically relates to a bearing pressing device and belongs to the technical field of bearing installation. Background Art

[0002] Bearings are a common component in mechanical equipment. Their main function is to support the rotation of two mechanical bodies in order to reduce the friction coefficient of the two mechanical bodies during the rotation process and improve the rotation accuracy of the mechanical bodies during the rotation process. During the assembly and production process of the motor, bearings need to be installed on the central shaft.

[0003] After searching Chinese patent CN219465330U, a motor bearing pressing device is found, including a base, a fixed platform for positioning the lower bearing is vertically arranged at the upper end of the base, two columns are distributed on the left and right sides of the fixed platform, the top ends of the two columns are connected by a support plate, a cylinder is vertically arranged at the top end of the support plate, a pressure column is arranged at the end of the piston rod of the cylinder, a support rod for positioning and supporting the shaft rod is elastically and telescopically arranged in the middle of the fixed platform, a first slide plate elastically connected to the column is slidably arranged at the middle end of the column to move up and down, and a bearing plate arranged parallel to the first slide plate is arranged above the first slide plate. The advantage of the utility model is that it can automatically press the upper and lower bearings into the shaft rod, thereby improving efficiency.

[0004] Although the above-mentioned prior art can install bearings at both ends of the motor shaft, it is impossible to press the motor bearings into place at one time. The bearings can only be pressed to the ends of the motor shaft and then moved to the side walls of the motor shaft. Therefore, the operation is more troublesome. In addition, the above-mentioned prior art can only assemble one motor shaft at a time, and the assembly efficiency is low. Utility Model Content

[0005] The purpose of the utility model is to address the deficiencies of the prior art and provide a bearing pressing device that can install the bearing and the motor shaft in place at one time and can assemble two motor shafts at one time, thereby greatly improving production efficiency.

[0006] The utility model achieves the above-mentioned purpose through the following technical solutions. The bearing pressing device includes a fixed frame, support clamping plates are respectively installed on the top outer wall of the fixed frame, hydraulic cylinders are respectively installed on the two side walls of the fixed frame, the output end of the hydraulic cylinder is connected with a movable plate, the fixed frame is respectively slidably clamped with a driving plate, the driving plate is connected to the movable plate, a limiting component is installed on one side wall of the driving plate, slide rails are respectively installed on the top outer wall of the fixed frame, the slide rails are connected to the supporting slide plate through a slider, support columns are respectively installed on the top outer wall of the supporting slide plate, a lifting frame is slidably clamped on the support column, an assembling plate is installed on the lifting frame, and material troughs are respectively opened on the assembling plate.

[0007] Furthermore, in order to fix the position of the assembly plate, a clamping column is installed on one side wall of the lifting frame, an L-shaped plate is slidably clamped on the clamping column, and a compression spring is arranged on the side wall of the clamping column.

[0008] Furthermore, in order to enable the motor shafts of different thicknesses to be placed on the support clamping plate, an adjustment plate is connected to the support clamping plate via fixing screws.

[0009] Furthermore, in order to allow bearings of different sizes to be placed inside the material trough, an adjustment ring is movably engaged inside the material trough.

[0010] Furthermore, in order to further improve the stability of the driving plate when it moves, a guide shaft is installed on one side wall of the driving plate, and guide plates are respectively installed on the top outer wall of the fixing frame, and the guide plates are movably engaged with the guide shaft.

[0011] Furthermore, in order to limit the position of the supporting slide plate, limiting vertical plates are respectively installed on the top outer wall of the fixing frame.

[0012] Furthermore, in order to drive the supporting slide plate to return to its original position, a clamping vertical plate is respectively installed on the top outer wall of the fixing frame, a guide rod is installed on one side wall of the supporting slide plate, the guide rod is movably clamped with the clamping vertical plate, and a supporting spring is arranged on the side wall of the guide rod.

[0013] Furthermore, in order to make the pressing device suitable for bearings of different sizes, the limit assembly includes a fixed ring and a guide ring, and the fixed ring and the guide ring are both located on a side wall of the driving plate. Adjustment screws are respectively provided on the fixed rings, and a movable head is installed at one end of the adjusting screw. The movable head is movably engaged with a limit block, and the limit block is movably engaged with the guide ring.

[0014] The technical effects and advantages of the utility model are as follows: by placing the motor shaft to be assembled on the supporting clamping plate, and then placing the bearing inside the material slot on the assembly plate, making the material slot on the assembly plate concentric with the motor shaft, and then installing the bearing inside the material slot to both ends of the motor shaft, and then the hydraulic cylinder drives the movable plate to retract, and then the assembly plate is moved upward, and when it moves to the top, the compression spring drives the L-shaped plate to move to limit the assembly plate, and then the movable plate is driven to move by the hydraulic cylinder, so that the movable plate can drive the limit assembly to move, so that the limit block can continue to move against the bearing, and then the bearing can be installed on the side wall of the motor shaft at one time, and two can be assembled at the same time, which is beneficial to improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the adjustment plate of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0018] Figure 4 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0019] In the figure: 1. fixed frame; 2. supporting clamping plate; 3. hydraulic cylinder; 4. movable plate; 5. driving plate; 6. limiting assembly; 601. fixing ring; 602. adjusting screw; 603. movable head; 604. limiting block; 605. guide ring; 7. slide rail; 8. supporting slide plate; 9. supporting column; 10. lifting frame; 11. assembly plate; 12. material trough; 13. adjusting ring; 14. limiting vertical plate; 15. adjusting plate; 16. guide plate; 17. guide shaft; 18. clamping vertical plate; 19. guide rod; 20. supporting spring; 21. clamping column; 22. compression spring; 23. L-shaped plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4As shown, the bearing pressing device includes a fixed frame 1, a supporting clamping plate 2 is respectively installed on the top outer wall of the fixed frame 1, a hydraulic cylinder 3 is respectively installed on the two side walls of the fixed frame 1, a movable plate 4 is connected to the output end of the hydraulic cylinder 3, a driving plate 5 is respectively slidably clamped on the fixed frame 1, the driving plate 5 is connected to the movable plate 4, a limiting component 6 is installed on one side wall of the driving plate 5, a slide rail 7 is respectively installed on the top outer wall of the fixed frame 1, the slide rail 7 is connected to a supporting slide plate 8 through a slider, a supporting column 9 is respectively installed on the top outer wall of the supporting slide plate 8, a lifting frame 10 is slidably clamped on the support column 9, an assembly plate 11 is installed on the lifting frame 10, and a material trough 12 is respectively opened on the assembly plate 11, a clamping column 21 is respectively installed on one side wall of the lifting frame 10, an L-shaped plate 23 is slidably clamped on the clamping column 21, and a compression spring 22 is arranged on the side wall of the clamping column 21, first place the motor shaft to be assembled on the support The clamping plate 2 is then placed on the bearing inside the material slot 12 on the assembly plate 11. The assembly plate 11 can be moved downward by pulling the L-shaped plate 23. After the material slot 12 on the assembly plate 11 is concentric with the motor shaft, the movable plate 4 is driven to move by the hydraulic cylinder 3, so that the limiting assembly 6 can move against the assembly plate 11, so that the bearing inside the material slot 12 can be connected to the two ends of the motor shaft. Then the hydraulic cylinder 3 drives the movable plate 4 to retract, and then moves the assembly plate 11 upward to the top. At this time, the L-shaped plate 23 is driven to move by the compression spring 22 to limit the assembly plate 11. The movable plate 4 is driven to move again by the hydraulic cylinder 3, so that the driving plate 5 can drive the limiting assembly 6 to move, and the limiting assembly 6 can continue to move against the bearing, so that the bearing can be installed on the side wall of the motor shaft at one time, and two can be assembled at a time, which can greatly improve production efficiency.

[0022] An adjusting plate 15 is connected to the supporting clamping plate 2 via fixing screws. An open slot is provided on the adjusting plate 15. The motor shaft can be clamped with the adjusting plate 15 through the open slot on the adjusting plate 15, thereby being fixed on the supporting clamping plate 2. By replacing adjusting plates 15 of different sizes, motor shafts of different thicknesses can be clamped.

[0023] An adjustment ring 13 is movably engaged inside the material trough 12. By replacing the adjustment rings 13 of different sizes, bearings of different sizes can be placed inside the material trough 12. A guide shaft 17 is installed on one side wall of the driving plate 5, and a guide plate 16 is installed on the top outer wall of the fixing frame 1. The guide plate 16 is movably engaged with the guide shaft 17. By movably engaging the guide plate 16 with the guide shaft 17, the driving plate 5 can be further guided and supported, which is beneficial to improving the stability of the driving plate 5 when it moves.

[0024] Limiting vertical plates 14 are respectively installed on the top outer walls of the fixing frame 1, and the position of the supporting slide 8 can be limited by the limiting vertical plates 14. A clamping vertical plate 18 is respectively installed on the top outer walls of the fixing frame 1, and a guide rod 19 is installed on one side wall of the supporting slide 8. The guide rod 19 is movably clamped with the clamping vertical plate 18, and a supporting spring 20 is arranged on the side wall of the guide rod 19. When the bearing on the assembly plate 11 is connected to the motor shaft, the output end of the hydraulic cylinder 3 retracts. At this time, the supporting slide 8 can be driven to move by the supporting spring 20, so that the supporting slide 8 returns to its original position.

[0025] The limit assembly 6 includes a fixed ring 601 and a guide ring 605, both of which are located on one side wall of the driving plate 5. An adjusting screw 602 is respectively arranged on the fixed ring 601, and a movable head 603 is installed at one end of the adjusting screw 602. A limit block 604 is movably engaged with the movable head 603, and the limit block 604 is movably engaged with the guide ring 605. When the limit assembly 6 drives the bearing to move, the limit block 604 directly moves against the bearing. By turning the adjusting screw 602, the position of the limit block 604 can be adjusted, so that the limit assembly 6 can be suitable for bearings of different sizes.

[0026] When the utility model is in use, the motor shaft to be assembled is first placed on the supporting clamping plate 2, and then the bearing is placed inside the material slot 12 on the assembly plate 11, and then the L-shaped plate 23 is pulled so that the assembly plate 11 can move downward, and the material slot 12 on the assembly plate 11 is concentric with the motor shaft, and then the movable plate 4 is driven to move by the hydraulic cylinder 3, so that the limit assembly 6 can move against the assembly plate 11, so that the bearing inside the material slot 12 can be installed on the two ends of the motor shaft, and then the hydraulic cylinder 3 drives the movable plate 4 to retract, and then the assembly plate 11 is moved upward. When it moves to the top, the compression spring 22 drives the L-shaped plate 23 to move to limit the assembly plate 11, and then the movable plate 4 is driven to move by the hydraulic cylinder 3, so that the movable plate 4 can drive the limit assembly 6 to move, so that the limit block 604 can continue to move against the bearing, and then the bearing can be installed on the side wall of the motor shaft at one time, and two can be assembled at the same time, which is beneficial to improving production efficiency.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A bearing pressing device, comprising a fixing frame (1), a top outer wall of the fixing frame (1) is respectively provided with a supporting clamping plate (2), and two side walls of the fixing frame (1) are respectively provided with a hydraulic cylinder (3), characterized in that: The output end of the hydraulic cylinder (3) is connected to a movable plate (4), and a driving plate (5) is slidably engaged with the fixed frame (1), and the driving plate (5) is connected to the movable plate (4). A limit assembly (6) is installed on one side wall of the driving plate (5), and a slide rail (7) is installed on the top outer wall of the fixed frame (1). The slide rail (7) is connected to a supporting slide plate (8) through a slider, and a supporting column (9) is installed on the top outer wall of the supporting slide plate (8). A lifting frame (10) is slidably engaged with the support column (9), and an assembly plate (11) is installed on the lifting frame (10), and a material trough (12) is provided on the assembly plate (11).

2. The bearing press-fit device according to claim 1, characterized in that: A clamping column (21) is respectively installed on one side wall of the lifting frame (10), an L-shaped plate (23) is slidably clamped on the clamping column (21), and a compression spring (22) is arranged on the side wall of the clamping column (21).

3. The bearing press-fit device according to claim 1, characterized in that: The supporting clamping plate (2) is connected to an adjusting plate (15) via fixing screws.

4. The bearing press-fit device according to claim 1, characterized in that: An adjusting ring (13) is movably engaged inside the material trough (12).

5. The bearing press-fit device according to claim 1, characterized in that: A guide shaft (17) is installed on one side wall of the driving plate (5), and guide plates (16) are respectively installed on the top outer wall of the fixing frame (1), and the guide plates (16) are movably engaged with the guide shaft (17).

6. The bearing press-fit device according to claim 1, characterized in that: Limiting vertical plates (14) are respectively installed on the top outer walls of the fixing frame (1).

7. The bearing press-fit device according to claim 1, characterized in that: A clamping vertical plate (18) is respectively installed on the top outer wall of the fixing frame (1), a guide rod (19) is installed on one side wall of the supporting slide plate (8), the guide rod (19) is movably clamped with the clamping vertical plate (18), and a supporting spring (20) is arranged on the side wall of the guide rod (19).

8. The bearing press-fit device according to claim 1, characterized in that: The limit assembly (6) comprises a fixed ring (601) and a guide ring (605), the fixed ring (601) and the guide ring (605) are both located on a side wall of the driving plate (5), the fixed ring (601) is provided with an adjusting screw (602), one end of the adjusting screw (602) is mounted with a movable head (603), a limit block (604) is movably engaged with the movable head (603), and the limit block (604) is movably engaged with the guide ring (605).

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