Grease filling device for radial ball bearing

Abstract

The utility model discloses a grease filling device for a radial ball bearing, which relates to the technical field of bearing processing, and comprises a base, a filling cylinder with a push rod, a driving component and an auxiliary component, a mounting rack is rotatably arranged in the base, a first motor is fixedly arranged on the outer side of the base, and the output end of the first motor is fixed with a main shaft of the mounting rack; mounting cylinders which are uniformly distributed are arranged on the outer side of the mounting frame, baffle rings are fixedly arranged on one sides of the mounting cylinders, limiting assemblies used for fixing bearings in the mounting cylinders are arranged on the other sides of the mounting cylinders, the number of the filling cylinders is two, the two filling cylinders are symmetrically arranged on the outer side of the mounting frame, and the driving assembly is arranged in the base and used for driving the mounting cylinders to rotate. According to the bearing oil filling device, the vertical installation frame is arranged, meanwhile, the installation barrels used for containing the bearings are arranged on the installation frame, and therefore the two faces of the bearings are filled with oil at the same time through the filling barrels arranged on the two sides of the installation frame.

Description

Technical Field

[0001] This utility model relates to the field of bearing processing technology, specifically to a grease filling device for radial ball bearings. Background Technology

[0002] Radial ball bearings consist of a set of precision balls, a cage, and inner and outer rings. To ensure stable operation and maintain the service life of the bearing, the ball parts need to be lubricated with oil.

[0003] Patent No. CN218208960U discloses a grease filling device for a radial ball bearing, including a processing base plate. The upper surface of the processing base plate has two limiting grooves, and the inner walls of the two limiting grooves overlap with the outer surfaces of two adjusting rods. The front and back sides of the inner walls of the limiting grooves are provided with guide grooves. The adjusting rods are slidably connected in the guide grooves through adjusting blocks. The opposite faces of the inner walls of the two limiting grooves are fixedly connected to the ends of two springs that are far away from each other. The opposite faces of the two springs are fixedly connected to the opposite faces of the two adjusting rods that are far away from each other. The opposite faces of the two adjusting rods are fixedly connected to the ends of two extrusion rods that are far away from each other. The left end of the extrusion rod overlaps with the outer surface of the expansion ring. The inner wall of the expansion ring is connected to the outer surface of the grease tank.

[0004] The above-mentioned device only fills one side of the bearing when in use. However, the bearing needs to be filled with grease on both sides during normal oil lubrication. If the above-mentioned device is to fill the bearing with grease on both sides, the bearing can only be filled with grease on one side, and then the bearing can be removed, flipped over and filled on the other side, which is not very convenient. Therefore, we propose a grease filling device for radial ball bearings. Utility Model Content

[0005] This utility model addresses the shortcomings of existing technologies by providing a grease filling device for radial ball bearings. By setting up a vertical mounting frame, the bearing is placed inside the mounting cylinder of the mounting frame, thereby keeping the bearing in a vertical position. Grease is then simultaneously filled onto both sides of the bearing through the filling cylinders on both sides of the mounting frame.

[0006] In order to solve the above-mentioned technical problems, the present invention solves the problem that in the prior art, only one side of the bearing can be filled with grease at a time, and filling the other side of the bearing requires removing the bearing from the device and then reinstalling it, which is inconvenient.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A grease filling device for radial ball bearings includes a base, a filling cylinder with a push rod, a drive assembly, and an auxiliary assembly. A mounting frame is rotatably mounted inside the base, and a first motor is fixedly mounted on the outside of the base. The output end of the first motor is fixed to the main shaft of the mounting frame. The mounting cylinders are evenly distributed on the outside of the mounting frame. A retaining ring is fixed on one side of each mounting cylinder, and a limiting assembly for fixing the bearing inside the mounting cylinder is provided on the other side of each mounting cylinder. There are two filling cylinders, which are symmetrically arranged on the outside of the mounting frame. The drive assembly is located inside the base and is used to drive the mounting cylinders to rotate. The auxiliary assembly is located on the outside of the base and is used to drive the filling cylinders to move.

[0009] Preferably, the limiting component includes a limiting plate, and a fixed box is fixedly provided on the side of the mounting cylinder away from the retaining ring. The fixed box is provided with a sliding hole on the side away from the retaining ring. A slider is slidably provided in the inner cavity of the fixed box. A rotating shaft is provided on the side of the slider near the sliding hole. The end of the rotating shaft away from the sliding hole is fixed to the limiting plate. The limiting plate is located outside the sliding hole. A compression spring is fixedly provided on the side of the slider near the sliding hole. The end of the compression spring away from the slider is fixed to the inside of the fixed box. The inner side of the limiting plate protrudes from the inner side of the mounting cylinder.

[0010] Preferably, the drive assembly includes a second motor, which is fixedly mounted on the side of the base away from the first motor. An auxiliary shaft is rotatably mounted inside the base. The output end of the second motor is fixed to the auxiliary shaft. A gear is fixedly mounted on the end of the auxiliary shaft near the mounting bracket. Evenly distributed external teeth that mesh with the gear are fixedly mounted on the outside of the mounting cylinder.

[0011] Preferably, the gear engages only with the external teeth located on the outside of the mounting cylinder at the top of the mounting bracket at a time.

[0012] Preferably, the auxiliary components include a support frame, which is fixed to the base. The top of the support frame is located above the mounting frame. A positive and negative lead screw is rotatably provided on the top of the support frame. A third motor is fixed on the outside of the mounting frame. The output end of the third motor is fixed to the positive and negative lead screw. A symmetrically distributed slide block is slidably provided on the top of the support frame. The positive and negative lead screw is threadedly connected to the slide block. The filling cylinder is located at the bottom of the slide block. A symmetrically distributed electric push rod is fixed on the outside of the support frame. A sleeve is fixed on the output end of the electric push rod. The side of the sleeve away from the electric push rod cooperates with the push rod of the filling cylinder.

[0013] Preferably, the part connecting the rotating shaft and the slider is cylindrical, the part connecting the rotating shaft and the limiting plate is square, the sliding hole matches the square part of the rotating shaft, and the radial dimension of the cylindrical part of the rotating shaft is smaller than the radial dimension of the directional part of the rotating shaft.

[0014] Preferably, the inner diameter of the mounting cylinder matches the outer diameter of the bearing.

[0015] Preferably, the rotating shaft is located in the middle of the limiting plate.

[0016] Preferably, the bottom of the slide is provided with a clamping block for holding and fixing the filling cylinder.

[0017] Preferably, the limiting plate is made of secondary hardened ultra-high strength steel.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] This utility model sets up a vertical mounting frame, and sets up multiple mounting cylinders for placing bearings on the mounting frame. The bearings are fixed and limited in the mounting cylinders by a limiting plate, but the ball bearings are still exposed. Then, oil is poured into both sides of the bearings simultaneously through the filling cylinders set on both sides of the mounting frame, which is convenient and quick.

[0020] The base is equipped with a gear driven by a second motor, and an external tooth is provided on the outside of the mounting cylinder to mesh with the gear. When the filling cylinder fills the bearing located at the top of the mounting frame with grease, the meshing of the gear and the external tooth drives the mounting cylinder and the bearing inside it to rotate, so that the grease squeezed out by the filling cylinder can be evenly applied to the bearing balls. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the overall structure of this utility model from another perspective;

[0024] Figure 3 This is a schematic diagram of the mounting bracket structure of this utility model;

[0025] Figure 4 This is a schematic diagram of the mounting cylinder part of this utility model;

[0026] Figure 5 This is a schematic diagram of the limiting component structure of this utility model;

[0027] Figure 6 This is a partial cross-sectional view of the mounting cylinder portion of this utility model;

[0028] Figure 7 This is a schematic diagram of the rotating shaft part of this utility model.

[0029] Drawing number descriptions: 1. Base; 2. Mounting bracket; 3. First motor; 4. Mounting cylinder; 5. Retaining ring; 6. Limiting component; 7. Filling cylinder; 8. Drive component; 9. Auxiliary component; 10. Limiting plate; 11. Fixing box; 12. Sliding hole; 13. Slider; 14. Rotating shaft; 15. Compression spring; 16. Second motor; 17. Gear; 18. External gear; 19. Support frame; 20. Positive and negative lead screw; 21. Third motor; 22. Slide block; 23. Electric push rod; 24. Sleeve. Detailed Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings. Example

[0031] Please see Figure 1 - Figure 7 A grease filling device for a radial ball bearing includes a base 1, a filling cylinder 7 with a push rod, a drive assembly 8, and an auxiliary assembly 9. A mounting frame 2 is rotatably mounted inside the base 1, and a first motor 3 is fixedly mounted on the outside of the base 1. The output end of the first motor 3 is fixed to the main shaft of the mounting frame 2. The mounting cylinders 4 are evenly distributed on the outside of the mounting frame 2. A retaining ring 5 is fixedly mounted on one side of the mounting cylinder 4, and a limiting assembly 6 for fixing the bearing inside the mounting cylinder 4 is mounted on the other side of the mounting cylinder 4. There are two filling cylinders 7, which are symmetrically arranged on the outside of the mounting frame 2. The bearing is placed inside the mounting cylinder 4, and then the first motor 3 drives the mounting frame 2 to rotate, which can rotate the bearing that needs to be filled with grease to the top of the mounting frame 2, so that the bearing is between the two filling cylinders 7. Then, grease can be filled on both sides of the bearing simultaneously through the two filling cylinders 7.

[0032] The drive assembly 8 is located inside the base 1 and is used to drive the mounting cylinder 4 to rotate. A gear 17 driven by a second motor 16 is provided inside the base 1, and an external tooth 18 that meshes with the gear 17 is provided on the outside of the mounting cylinder 4. When the filling cylinder 7 fills the bearing located at the top of the mounting frame 2 with grease, the meshing of the gear 17 and the external tooth 18 drives the mounting cylinder 4 and the bearing inside it to rotate, so that the grease squeezed out by the filling cylinder 7 can be evenly applied to the bearing balls.

[0033] The auxiliary component 9 is located on the outside of the base 1 and is used to drive the filling cylinder 7 to move. The auxiliary component 9 controls the filling cylinder 7 to move closer to or away from the bearing to prevent interference with the rotation of the mounting frame 2.

[0034] The following describes some embodiments of this application in detail with reference to the accompanying drawings:

[0035] Please see Figure 1 - Figure 7By setting a vertical mounting bracket 2, and setting multiple mounting cylinders 4 for placing bearings on the mounting bracket 2, the bearing is fixed in the mounting cylinder 4 by the limiting plate 10, but the ball bearing is still exposed. Then, oil is poured into both sides of the bearing simultaneously by the filling cylinders 7 set on both sides of the mounting bracket 2, which is convenient and quick.

[0036] The limiting component 6 includes a limiting plate 10. A fixed box 11 is fixedly provided on the side of the mounting cylinder 4 away from the retaining ring 5. A sliding hole 12 is provided on the side of the fixed box 11 away from the retaining ring 5. A slider 13 is slidably provided in the inner cavity of the fixed box 11. A rotating shaft 14 is rotatably provided on the side of the slider 13 near the sliding hole 12. The end of the rotating shaft 14 away from the sliding hole 12 is fixed to the limiting plate 10. The limiting plate 10 is located outside the sliding hole 12. A compression spring 15 is fixedly provided on the side of the slider 13 near the sliding hole 12. The end of the compression spring 15 away from the slider 13 is fixed to the inside of the fixed box 11. The inner side of the limiting plate 10 protrudes from the inner side of the mounting cylinder 4. When the bearing is placed in the mounting cylinder 4, one side of the bearing abuts against the baffle. By rotating the limiting plate 10, the limiting plate 10 is rotated to a position that can abut against the outside of the bearing. The compression spring 15 abuts the limiting plate 10 against the other side of the bearing, thereby limiting the bearing in the mounting cylinder 4.

[0037] In addition, the drive assembly 8 includes a second motor 16, which is fixedly mounted on the side of the base 1 away from the first motor 3. An auxiliary shaft is rotatably mounted inside the base 1. The output end of the second motor 16 is fixed to the auxiliary shaft. A gear 17 is fixedly mounted on the end of the auxiliary shaft near the mounting bracket 2. External teeth 18 that are evenly distributed and mesh with the gear 17 are fixedly mounted on the outside of the mounting cylinder 4. The meshing of the gear 17 and the external teeth 18 can drive the mounting cylinder 4 and the bearing to rotate, so that the grease squeezed out by the filling cylinder 7 can be sealed in an annular shape at the ball bearing, making the filling of grease more uniform.

[0038] At the same time, gear 17 only meshes with the external teeth 18 provided on the outside of the mounting cylinder 4 at the top of the mounting bracket 2 at a time, reducing the working pressure of the second motor 16;

[0039] It is worth noting that the auxiliary component 9 includes a support frame 19, which is fixed to the base 1. The top of the support frame 19 is located above the mounting frame 2. A positive and negative screw 20 is rotatably provided on the top of the support frame 19. A third motor 21 is fixed on the outside of the mounting frame 2. The output end of the third motor 21 is fixed to the positive and negative screw 20. Symmetrically distributed slide blocks 22 are slidably provided on the top of the support frame 19. The positive and negative screw 20 is threadedly connected to the slide blocks 22. The filling cylinder 7 is located at the bottom of the slide blocks 22. Symmetrically distributed electric push rods 23 are fixed on the outside of the support frame 19. A sleeve 24 is fixed on the output end of the electric push rod 23. The side of the sleeve 24 away from the electric push rod 23 cooperates with the push rod of the filling cylinder 7. The positive and negative screw 20 drives the two slide blocks 22 to move towards or away from each other, which can move the nozzle of the filling cylinder 7 to the bearing or remove it from the bearing.

[0040] In this technical solution, such as Figure 4 - Figure 7 As shown, the part where the rotating shaft 14 connects to the slider 13 is cylindrical, and the part where the rotating shaft 14 connects to the limiting plate 10 is square. The sliding hole 12 fits with the square part of the rotating shaft 14. The radial dimension of the cylindrical part of the rotating shaft 14 is smaller than the radial dimension of the directional part of the rotating shaft 14. Through the fit between the square rotating shaft 14 and the sliding hole 12, it is possible to prevent the limiting plate 10 from rotating accidentally when it is limiting the bearing. The cylindrical rotating shaft 14 can ensure that the limiting plate 10 can be removed from the bearing by rotating the rotating shaft 14 normally when the bearing is removed.

[0041] In this technical solution, the inner diameter of the mounting cylinder 4 matches the outer diameter of the bearing to prevent the bearing from shaking inside the mounting cylinder 4 and affecting the accurate filling of the filling cylinder 7.

[0042] In addition, the rotating shaft 14 is located in the middle of the limiting plate 10. Furthermore, the limiting plate 10 is made of secondary hardened ultra-high strength steel, and the extended limiting plate 10 can alleviate the bending stress at the connection between the limiting plate 10 and the rotating shaft 14.

[0043] The following describes the grease filling method for radial ball bearings:

[0044] First, place the radial ball bearing inside the mounting cylinder 4. Pull the limiting plate 10 to pull the cylindrical part of the rotating shaft 14 to the sliding hole 12 to facilitate the rotation of the rotating shaft 14. By rotating the rotating shaft 14, the limiting plate 10 can be rotated to the position that limits the bearing inside the mounting cylinder 4. Then, release the limiting plate 10. Under the action of the compression spring 15, the limiting plate 10 abuts against the outside of the bearing, thereby limiting the bearing inside the mounting cylinder 4.

[0045] The first motor 3 drives the mounting frame 2 to rotate, and the bearing that needs to be filled with grease is rotated to the top of the mounting frame 2 along with the mounting cylinder 4. At this time, the external teeth 18 on the outside of the mounting cylinder 4 mesh with the gear 17. Then, the third motor 21 drives the positive and negative lead screw 20 to rotate, and the positive and negative lead screw 20 drives the two slides 22 to move towards each other, thereby driving the two filling cylinders 7 at the bottom of the slides 22 to reach the bearing balls at the same time. Then, the second motor 16 drives the auxiliary shaft to rotate, thereby driving the gear 17 to rotate. The gear 17 drives the mounting cylinder 4 and the bearing inside the mounting cylinder 4 to rotate together through the meshing action with the external teeth 18.

[0046] At this time, the push rod of the filling cylinder 7 is pushed by the electric push rod 23, and the grease in the filling cylinder 7 is squeezed to the ball. As the mounting cylinder 4 and the bearing rotate, the grease can be evenly covered on the ball of the bearing, thereby completing the filling of grease on both sides of the bearing.

[0047] Finally, the bearing filled with grease is rotated down as the mounting frame 2 rotates, and the bearing filled with grease is removed from the mounting cylinder 4 by moving the limiting plate 10 away from the outside of the bearing. A new bearing that needs to be filled with grease is then installed. During this process, the filling cylinder 7 fills the bearing that has rotated to the top of the mounting frame 2 with grease, which is more efficient when filling a large number of bearings with grease.

[0048] In this technical solution, such as Figure 2 As shown, the bottom of the slide 22 is provided with a clamping block (not shown) for clamping and fixing the filling cylinder 7. The clamping block can be a clamping mechanism in the prior art, and its purpose is to facilitate the replacement of the filling cylinder 7.

[0049] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are merely examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been shown and explained in the embodiments. Without departing from the principles, the implementation of the present invention may have any modifications or variations.

Claims

1. A grease filling device for radial ball bearings, characterized in that, include: A base (1) is provided with a mounting bracket (2) rotatably mounted inside the base (1). A first motor (3) is fixedly mounted on the outside of the base (1). The output end of the first motor (3) is fixed to the main shaft of the mounting bracket (2). A mounting cylinder (4) is provided on the outside of the mounting bracket (2). A retaining ring (5) is fixedly mounted on one side of the mounting cylinder (4). A limiting component (6) for fixing the bearing inside the mounting cylinder (4) is provided on the other side of the mounting cylinder (4). A filling cylinder (7) with a push rod is provided. Two filling cylinders (7) are provided and are symmetrically arranged on the outside of the mounting frame (2). A drive assembly (8) is disposed inside the base (1) and is used to drive the mounting cylinder (4) to rotate. An auxiliary component (9) is located on the outside of the base (1) and is used to move the filling cylinder (7).

2. The grease filling device for a radial ball bearing according to claim 1, characterized in that: The limiting component (6) includes a limiting plate (10). The mounting cylinder (4) is fixedly provided with uniformly distributed fixing boxes (11) on the side away from the retaining ring (5). The fixing box (11) is provided with a sliding hole (12) on the side away from the retaining ring (5). A slider (13) is slidably provided in the inner cavity of the fixing box (11). A rotating shaft (14) is provided on the side of the slider (13) close to the sliding hole (12). The end of the rotating shaft (14) away from the sliding hole (12) is fixed to the limiting plate (10). The limiting plate (10) is located outside the sliding hole (12). A compression spring (15) is fixedly provided on the side of the slider (13) close to the sliding hole (12). The end of the compression spring (15) away from the slider (13) is fixed to the inside of the fixing box (11). The inner side of the limiting plate (10) protrudes from the inner side of the mounting cylinder (4).

3. The grease filling device for a radial ball bearing according to claim 2, characterized in that: The drive assembly (8) includes a second motor (16), which is fixedly disposed on the side of the base (1) away from the first motor (3). An auxiliary shaft is rotatably disposed inside the base (1). The output end of the second motor (16) is fixed to the auxiliary shaft. A gear (17) is fixedly disposed at one end of the auxiliary shaft near the mounting bracket (2). External teeth (18) that cooperate with the gear (17) are evenly distributed on the outside of the mounting cylinder (4).

4. The grease filling device for a radial ball bearing according to claim 3, characterized in that: The gear (17) engages only once with the external tooth (18) located on the outside of the mounting cylinder (4) at the top of the mounting bracket (2).

5. A grease filling device for a radial ball bearing according to claim 2, characterized in that: The auxiliary component (9) includes a support frame (19), which is fixed to the base (1). The top of the support frame (19) is located above the mounting frame (2). A positive and negative screw (20) is rotatably provided on the top of the support frame (19). A third motor (21) is fixed on the outside of the mounting frame (2). The output end of the third motor (21) is fixed to the positive and negative screw (20). A symmetrically distributed slide block (22) is slidably provided on the top of the support frame (19). The positive and negative screw (20) is threadedly connected to the slide block (22). The filling cylinder (7) is located at the bottom of the slide block (22). A symmetrically distributed electric push rod (23) is fixed on the outside of the support frame (19). A sleeve (24) is fixed on the output end of the electric push rod (23). The side of the sleeve (24) away from the electric push rod (23) cooperates with the push rod of the filling cylinder (7).

6. The grease filling device for a radial ball bearing according to claim 2, characterized in that: The part where the rotating shaft (14) is connected to the slider (13) is cylindrical, and the part where the rotating shaft (14) is connected to the limiting plate (10) is square. The sliding hole (12) is fitted with the square part of the rotating shaft (14). The radial dimension of the cylindrical part of the rotating shaft (14) is smaller than the radial dimension of the directional part of the rotating shaft (14).

7. The grease filling device for a radial ball bearing according to claim 1, characterized in that: The inner diameter of the mounting cylinder (4) matches the outer diameter of the bearing.

8. A grease filling device for a radial ball bearing according to claim 6, characterized in that: The rotating shaft (14) is located in the middle of the limiting plate (10).

9. A grease filling device for a radial ball bearing according to claim 5, characterized in that: The bottom of the slide (22) is provided with a clamping block for clamping and fixing the filling cylinder (7).

10. A grease filling device for a radial ball bearing according to claim 8, characterized in that: The limiting plate (10) is made of secondary hardened ultra-high strength steel.

Images