Small ball screening device for bearing steel ball production
By designing a bearing steel ball production device with multi-stage drum screening and atomizing nozzle cleaning, the problem of traditional devices being unable to screen and clean steel balls of different diameters has been solved, achieving efficient screening and cleaning while reducing costs and time consumption.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-03-31
AI Technical Summary
Traditional bearing ball production equipment cannot simultaneously screen balls of different diameters, requiring equipment replacement, increasing costs and reducing production line flexibility. Furthermore, the lack of cleaning functions increases process complexity and time costs.
A screening device consisting of three rollers and a second rotating shaft was designed. The rollers have through holes of different diameters on their surfaces. The rotating mechanism enables multi-stage screening, and the steel balls are cleaned by atomizing nozzles. A water delivery mechanism and a collection mechanism are also integrated.
It enables rapid separation of steel balls of different diameters, reduces the need for secondary screening, improves screening efficiency, cleans impurities from the surface of steel balls, saves time and costs, and enhances production efficiency and practicality.
Smart Images
Figure CN224057949U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bearing steel ball production technology, and in particular to a small ball screening device for bearing steel ball production. Background Technology
[0002] In modern industry, bearing steel balls are important mechanical components and are widely used in various mechanical equipment and transportation vehicles. With the continuous development of industrial production, the requirements for the precision, quality and production efficiency of bearing steel balls are also increasing. However, in the traditional bearing steel ball production process, there are problems of uneven steel ball size in multiple stages such as steel ball forming, heat treatment and surface treatment. These problems directly affect the performance and life of the bearing, and thus affect the reliability and safety of the entire mechanical system. In the steel ball production process, it is usually necessary to screen the finished products to ensure their size consistency. Therefore, a small ball screening device for bearing steel ball production is needed.
[0003] Traditional screening devices can typically only screen steel balls of the same diameter. When different diameter steel balls need to be screened during production, operators must change to different screening devices. This screening method not only increases equipment investment and maintenance costs, but also reduces the flexibility and practicality of the production line. In addition, traditional screening devices usually do not have the function of cleaning steel balls during the screening process. After screening, a separate cleaning process is still required to remove impurities and contaminants attached to the surface of the steel balls. This not only increases the complexity and time cost of the production process, but also significantly reduces the overall work efficiency. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a small ball screening device for bearing steel ball production.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A ball screening device for bearing steel ball production includes an operating table. A U-shaped frame is fixed to one end of the top of the operating table. Three second rotating shafts are linearly and equidistantly connected to the inner sidewall of the U-shaped frame, and each of the three second rotating shafts is a cavity structure. Both ends of the three second rotating shafts penetrate the outer sidewall of the U-shaped frame. Rollers are fitted onto the outer sidewalls of the three second rotating shafts. Multiple through holes are equidistantly and circularly formed on the outer sidewalls of the three rollers, with the diameter of the through holes increasing sequentially from left to right. Multiple atomizing nozzles are installed on the outer sidewalls of the three second rotating shafts. A first rotating mechanism for rotating the three second rotating shafts is provided on the top of the operating table. A discharge pool is fixed to the other end of the top of the operating table, and a conveyor belt is inclinedly arranged inside the discharge pool. The conveyor belt has multiple baffles fixed at equal intervals on its outer side wall. A second rotating mechanism for rotating the conveyor belt is installed on the top of the operating platform. A water supply mechanism for supplying water to the interior of the three second rotating shafts is installed on one side of the top of the operating platform. A collection mechanism for collecting bearing steel balls is installed at one end of the bottom of the operating platform. During use, the device utilizes three rollers and three second rotating shafts, with multiple through holes of different diameters opened on the surface of each roller, with the diameter of the through holes increasing sequentially. Combined with the first rotating mechanism, the three rollers are in a rotating state, thus enabling multi-stage screening of steel balls. This allows for rapid separation of steel balls of different diameters, reducing the need for subsequent secondary screening and improving screening efficiency.
[0007] Preferably, the second rotating mechanism includes two support plates, which are symmetrically fixed on both sides of the top of the operating table. Both support plates are located between the discharge pool and the second belt. The top of the operating table is provided with two first rotating shafts. The two ends of one first rotating shaft are rotatably connected to the two support plates respectively, and the other first rotating shaft is rotatably connected to the inner side wall of the discharge pool. The two ends of the conveyor belt are respectively sleeved on the side walls of the two first rotating shafts. A first motor is fixed to the outer side wall of the discharge pool, and the output shaft of the first motor is fixed to the other first rotating shaft. Triangular baffles are fixed on both sides of the top of the discharge pool. One end of each of the two triangular baffles is fixed to the U-shaped frame, and the two triangular baffles are located between the two support plates. The first motor drives one of the first rotating shafts to rotate, which in turn causes the conveyor belt to rotate, thereby driving multiple baffles to rotate. In conjunction with the two triangular baffles, steel balls are gradually conveyed to one end of the U-shaped frame.
[0008] Preferably, the second rotating mechanism includes a second motor, which is fixed to one side of the top of the operating table. The output shaft of the second motor is sleeved with a driving pulley. One end of each of the two second rotating shafts is sleeved with a first compound pulley, and one end of the other second rotating shaft is sleeved with a driven pulley. A first belt is provided on the top of the operating table, with both ends of the first belt sleeved on the sidewalls of the driving pulley and one of the first compound pulleys, respectively. A second belt is provided on the top of the operating table, with both ends of the second belt sleeved on the sidewalls of the two first compound pulleys, respectively. A third belt is provided on the top of the operating table, and... The two ends of the three belts are respectively fitted onto the side wall of another first composite pulley and the driven pulley, driving the second motor to rotate the driving pulley. Together with the first belt, the two first composite pulleys, the second belt, the driven pulley, and the third belt, they drive the three second rotating shafts to rotate, which in turn drive the three rollers to rotate. At this time, when the diameter of the steel ball is smaller than the minimum diameter of the through hole, the steel ball will fall into the first roller through the through hole with the minimum diameter. The steel ball with the diameter larger than the minimum through hole will fall on multiple through holes with the minimum diameter and be rotated into the second roller. Similarly, when the diameter of the steel ball is larger than the diameter of the second through hole, it will enter the third through hole.
[0009] Preferably, the water delivery mechanism includes a water tank, with the other end of the top of the water tank fixed to the tank. Rotary joints are installed at the other ends of the three second rotating shafts, and the three rotary joints are respectively connected to the three second rotating shafts. A water pump is fixed to the top of the operating platform, and the inlet of the water pump is connected to the water tank. A first connecting pipe is fixed to the outlet of the water pump. A second connecting pipe is installed at one end of the first connecting pipe. Three branch pipes are installed on the outer wall of the second connecting pipe, with one end of each of the three branch pipes connected to the second connecting pipe. The other ends of the three branch pipes are respectively connected to the three rotary joints. The water pump, in conjunction with the first connecting pipe, the second connecting pipe, and the three branch pipes, enters the interior of the three second rotating shafts and is sprayed out through multiple atomizing nozzles to rinse the steel balls. Contaminants and cleaning fluid adhering to the surface of the steel balls are washed away, eliminating the need for separate post-cleaning work, saving time, and improving work efficiency.
[0010] Preferably, the collection mechanism includes three first through slots, which are equidistantly located at the other end of the top of the operating table and directly below the three rollers. Guide plates are fixedly inclined to the inner walls of each of the three first through slots, and second through slots are formed at the top of each of the three guide plates. Two partitions are fixed to the other end of the top of the operating table, both located inside the water tank and positioned between each pair of the three rollers. As the three rollers rotate continuously, cleaned steel balls of different diameters fall through through holes of different diameters into the top of the operating table. Under the constraint of the two partitions, steel balls of the same diameter roll through the same first through slot and guide plate into the corresponding collection container, thus completing the multi-stage sorting process without the need for secondary sorting by replacing equipment, reducing processing costs and improving the practicality of the device.
[0011] The beneficial effects of this utility model are as follows:
[0012] 1. During use, this device uses three rollers and three second rotating shafts, with multiple through holes of different diameters on the surface of each roller, and the diameter of the through holes on the surface of the three rollers increases sequentially. In conjunction with the first rotating mechanism, the three rollers are in a rotating state, which enables multi-stage screening of steel balls. This allows for the rapid separation of steel balls of different diameters, reduces the need for secondary screening, and improves screening efficiency.
[0013] 2. Through the design of multiple atomizing nozzles and water delivery mechanism, the steel balls can be rinsed during the screening process, effectively removing surface contaminants and impurities, avoiding the time and cost of separate cleaning later, and improving work efficiency. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of a ball screening device for bearing steel ball production proposed in this utility model.
[0015] Figure 2 This is a schematic cross-sectional view of the discharge pool of a ball screening device for bearing steel ball production proposed in this utility model.
[0016] Figure 3 This is a schematic cross-sectional view of a drum in a ball screening device for bearing steel ball production proposed in this utility model.
[0017] Figure 4 This is a schematic diagram of the second connecting pipe, branch pipe, second rotating shaft, and rotary joint of a ball screening device for bearing steel ball production proposed in this utility model.
[0018] Figure 5 This is a schematic cross-sectional view of the operating table and the spiral frame of a ball screening device for bearing steel ball production proposed in this utility model.
[0019] In the diagram: 1. Operating platform; 2. Feeding pool; 3. First motor; 4. Support plate; 5. Second motor; 6. Water tank; 7. Conveyor belt; 8. Stop bar; 9. Triangular baffle; 10. First rotating shaft; 11. Water pump; 12. First connecting pipe; 13. Second connecting pipe; 14. Branch pipe; 15. Roller; 16. Through hole; 17. Second rotating shaft; 18. First belt; 19. First composite pulley; 20. Second belt; 21. Driven pulley; 22. Third belt; 23. Rotary joint; 24. Atomizing nozzle; 25. Baffle plate; 26. First through groove; 27. Guide plate; 28. Second through groove; 29. Drive wheel; 30. U-shaped frame. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0021] Reference Figure 1 - Figure 5 A ball screening device for bearing steel ball production includes an operating table 1. A U-shaped frame 30 is fixed to one end of the top of the operating table 1. Three second rotating shafts 17 are linearly rotatably connected at equal intervals on the inner sidewall of the U-shaped frame 30, and each of the three second rotating shafts 17 is a cavity structure. Both ends of the three second rotating shafts 17 pass through the outer sidewall of the U-shaped frame 30. Rollers 15 are sleeved on the outer sidewall of each of the three second rotating shafts 17. Multiple through holes 16 are equally spaced and circularly opened on the outer sidewall of each of the three rollers 15, and the diameter of the multiple through holes 16 increases from left to right. Multiple atomizing nozzles 24 are installed on the outer sidewall of each of the three second rotating shafts 17. A first rotating mechanism for rotating the three second rotating shafts 17 is provided on the top of the operating table 1. A discharge pool 2 is fixed to the other end of the top of the operating table 1. A conveyor belt is inclined inside the discharge pool 2. The conveyor belt 7 has multiple baffles 8 fixed at equal intervals on its outer side wall. The top of the operating platform 1 is equipped with a second rotating mechanism for rotating the conveyor belt 7. One side of the top of the operating platform 1 is equipped with a water supply mechanism for supplying water to the inside of the three second rotating shafts 17. One end of the bottom of the operating platform 1 is equipped with a collection mechanism for collecting bearing steel balls. During use, the device uses three rollers 15 and three second rotating shafts 17, with multiple through holes 16 of different diameters opened on the surface of the three rollers 15, and the diameter of the through holes 16 on the surface of the three rollers 15 increases sequentially. With the cooperation of the first rotating mechanism, the three rollers 15 are in a rotating state, which can perform multi-stage screening of steel balls, quickly separate steel balls of different diameters, reduce the need for secondary screening, and improve screening efficiency.
[0022] Furthermore, the second rotating mechanism includes two support plates 4, which are symmetrically fixed on both sides of the top of the operating platform 1. Both support plates 4 are located between the discharge pool 2 and the second belt 20. Two first rotating shafts 10 are provided on the top of the operating platform 1. The two ends of one first rotating shaft 10 are rotatably connected to the two support plates 4 respectively, and the other first rotating shaft 10 is rotatably connected to the inner side wall of the discharge pool 2. The two ends of the conveyor belt 7 are respectively sleeved on the side walls of the two first rotating shafts 10. A first motor 3 is fixed on the outer side wall of the discharge pool 2, and the output shaft of the first motor 3 is fixed to the other first rotating shaft 10. Triangular baffles 9 are fixed on both sides of the top of the discharge pool 2. One end of each of the two triangular baffles 9 is fixed to the U-shaped frame 30, and the two triangular baffles 9 are located between the two support plates 4. The first motor 3 drives one of the first rotating shafts 10 to rotate, which in turn causes the conveyor belt 7 to rotate, thereby driving multiple baffles 8 to rotate. In conjunction with the two triangular baffles 9, steel balls are gradually conveyed to one end of the U-shaped frame 30.
[0023] Furthermore, the second rotating mechanism includes a second motor 5, which is fixed to one side of the top of the operating platform 1. The output shaft of the second motor 5 is sleeved with a drive wheel 29. One end of each of the two second rotating shafts 17 is sleeved with a first compound pulley 19, and one end of the other second rotating shaft 17 is sleeved with a driven wheel 21. A first belt 18 is provided on the top of the operating platform 1, with both ends of the first belt 18 respectively sleeved on the sidewalls of the drive wheel 29 and one of the first compound pulleys 19. A second belt 20 is provided on the top of the operating platform 1, with both ends of the second belt 20 respectively sleeved on the sidewalls of the two first compound pulleys 19. A third belt 22 is provided on the top of the operating platform 1, with both ends of the third belt 22 respectively... The first composite pulley 19 and driven pulley 21 are mounted on the side wall of the second motor 5, which drives the driving pulley 29 to rotate. In conjunction with the first belt 18, the two first composite pulleys 19, the second belt 20, the driven pulley 21 and the third belt 22, the three second rotating shafts 17 are rotated, which in turn drive the three rollers 15 to rotate. At this time, when the diameter of the steel ball is smaller than the minimum diameter of the through hole 16, the steel ball will fall into the first roller 15 through the minimum diameter through hole 16. The steel ball with a diameter larger than the minimum diameter of the through hole 16 will fall on multiple minimum diameter through holes 16 and be rotated into the second roller 15. Similarly, when the diameter of the steel ball is larger than the diameter of the second through hole 16, it will enter the third through hole 16.
[0024] Furthermore, the water delivery mechanism includes a water tank 6, with the other end of the top of the water tank 6 fixed to it. Rotary joints 23 are installed at the other ends of the three second rotating shafts 17, and the three rotary joints 23 are respectively connected to the three second rotating shafts 17. A water pump 11 is fixed to the top of the operating platform 1, and the inlet of the water pump 11 is connected to the water tank 6. A first connecting pipe 12 is fixed to the outlet of the water pump 11. A second connecting pipe 13 is installed at one end of the first connecting pipe 12. Three branch pipes 14 are installed on the outer wall of the second connecting pipe 13. One end of each of the three branch pipes 14 is connected to the second connecting pipe 13, and the other end of each of the three branch pipes 14 is connected to the three rotary joints 23. The water pump 11, in conjunction with the first connecting pipe 12, the second connecting pipe 13, and the three branch pipes 14, enters the interior of the three second rotating shafts 17 and is sprayed out through multiple atomizing nozzles 24 to rinse the steel balls. The contaminants and cleaning fluid adhering to the surface of the steel balls are washed away, eliminating the need for separate cleaning later, saving time and improving work efficiency.
[0025] Furthermore, the collection mechanism includes three first through channels 26, which are equidistantly located at the other end of the top of the operating table 1 and are respectively located directly below the three rollers 15. Guide plates 27 are fixedly inclined to the inner walls of each of the three first through channels 26, and second through channels 28 are opened at the top of each of the three guide plates 27. Two partitions 25 are fixed to the other end of the top of the operating table 1, and both partitions 25 are located inside the water tank 6, positioned between each pair of rollers 15. As the three rollers 15 continue to rotate, cleaned steel balls of different diameters fall into the top of the operating table 1 through through holes 16 of different diameters. Under the restriction of the two partitions 25, steel balls of the same diameter roll down into the corresponding collection container through the same first through channel 26 and guide plate 27, thus completing the multi-level sorting process without the need for secondary sorting by replacing equipment, reducing processing costs and improving the practicality of the device.
[0026] Working Principle: During operation, a collection container is placed below each of the three guide plates 27. The steel balls to be screened are then placed into the discharge pool 2. Because the distance between the lowest point of the conveyor belt 7 and the inner wall of the discharge pool 2 is less than the diameter of the smallest steel ball, and the span of the baffle 8 is also less than the distance between the lowest point of the conveyor belt 7 and the inner wall of the discharge pool 2, all steel balls fall above the conveyor belt 7 and will not fall to the bottom of the discharge pool 2. Once all balls are in, cleaning solution is poured into the discharge pool 2 to soak the steel balls, removing impurities and contaminants from their surface. Simultaneously, water is added to the water tank 6. When the screen is filled with clean water, the power switch of the first motor 3 is turned on, driving the first motor 3 to rotate one of the first rotating shafts 10. This, in conjunction with the other first rotating shaft 10, causes the conveyor belt 7 to rotate, which in turn drives multiple baffles 8 to rotate. Together with two triangular baffles 9, the steel balls immersed in the cleaning solution are gradually conveyed to one end of the concave frame 30. At this time, the power switch of the second motor 5 is turned on, driving the second motor 5 to rotate the drive wheel 29. This, in conjunction with the first belt 18, two first composite pulleys 19, the second belt 20, the driven pulley 21, and the third belt 22, drives the three second rotating shafts 17 to rotate, thereby... When the three rollers 15 rotate, if the diameter of the steel ball is smaller than the minimum diameter of the through hole 16, the steel ball will fall into the first roller 15 through the minimum diameter through hole 16. Steel balls with a diameter larger than the minimum diameter of the through hole 16 will fall onto multiple minimum diameter through holes 16 and be rotated into the second roller 15. Similarly, if the diameter of the steel ball is larger than the diameter of the second through hole 16, it will enter the third through hole 16. At the same time, the power switch of the water pump 11 is turned on, driving the water pump 11 to cooperate with the first connecting pipe 12, the second connecting pipe 13 and the three branch pipes 14 to enter the three second rotating shafts 17 respectively, and pass through multiple atomizing nozzles. The 24-stage spray system washes the steel balls, removing contaminants and cleaning fluid from their surfaces. This eliminates the need for separate cleaning later, saving time and improving efficiency. As the three rollers 15 continue to rotate, the cleaned steel balls of different diameters fall through the through holes 16 of different diameters onto the top of the operating table 1. Under the constraint of the two partitions 25, steel balls of the same diameter roll through the same first through groove 26 and guide plate 27 into their respective collection containers, thus completing the multi-stage sorting process. This eliminates the need for secondary sorting by replacing equipment, reducing processing costs and improving the practicality of the device.
[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A small ball screening device for bearing steel ball production, comprising an operation table (1), characterized in that, The operating platform (1) top one end is fixed with a backshaped frame (30), the inner side wall of the backshaped frame (30) is linearly rotatably connected with three second rotating shafts (17) at equal distances, and the three second rotating shafts (17) are all cavity structures, both ends of the three second rotating shafts (17) penetrate the outer side wall of the backshaped frame (30), the outer side wall of the three second rotating shafts (17) is all sleeved with a roller (15), the outer side wall of the three rollers (15) is all circularly provided with a plurality of through holes (16) at equal distances, and the diameters of the plurality of through holes (16) gradually increase from left to right, the outer side wall of the three second rotating shafts (17) is all provided with a plurality of atomizing nozzles (24), the top of the operating platform (1) is provided with a first rotating mechanism for rotating the three second rotating shafts (17), the other end of the top of the operating platform (1) is fixed with a discharging tank (2), the inside of the discharging tank (2) is provided with a conveying belt (7) in an inclined manner, the outer side wall of the conveying belt (7) is fixed with a plurality of baffle strips (8) at equal distances, the top of the operating platform (1) is provided with a second rotating mechanism for rotating the conveying belt (7), one side of the top of the operating platform (1) is provided with a water feeding mechanism for feeding water into the three second rotating shafts (17), and one end of the bottom of the operating platform (1) is provided with a collecting mechanism for collecting bearing steel balls.
2. The small ball screening device for producing a bearing steel ball according to claim 1, characterized by, The second rotating mechanism comprises two supporting plates (4), the two supporting plates (4) are symmetrically fixed on both sides of the top of the operating platform (1), and the two supporting plates (4) are located at the middle of the discharging tank (2) and the second belt (20), the top of the operating platform (1) is provided with two first rotating shafts (10), one end of one of the first rotating shafts (10) is rotatably connected with the two supporting plates (4), the other first rotating shaft (10) is rotatably connected with the inner side wall of the discharging tank (2), and the two ends of the conveying belt (7) are sleeved on the side walls of the two first rotating shafts (10), the outer side wall of the discharging tank (2) is fixed with a first motor (3), and the output shaft of the first motor (3) is fixed with the other first rotating shaft (10).
3. The small ball screening device for producing a bearing steel ball according to claim 2, characterized by, The top of the discharging tank (2) is fixed with triangular baffles (9) on both sides, one end of the two triangular baffles (9) is fixed with the backshaped frame (30), and the two triangular baffles (9) are located between the two supporting plates (4).
4. The small ball screening device for producing a bearing steel ball according to claim 1, characterized by, The second rotating mechanism comprises a second motor (5) fixed to one side of the top of the operating table (1), an output shaft of the second motor (5) is sleeved with a driving wheel (29), one end of each of the two second rotating shafts (17) is sleeved with a first composite pulley (19), one end of the other second rotating shaft (17) is sleeved with a driven wheel (21), the top of the operating table (1) is provided with a first belt (18), and the two ends of the first belt (18) are sleeved on the side wall of the driving wheel (29) and one of the first composite pulleys (19) respectively, the top of the operating table (1) is provided with a second belt (20), and the two ends of the second belt (20) are sleeved on the side wall of the two first composite pulleys (19) respectively, the top of the operating table (1) is provided with a third belt (22), and the two ends of the third belt (22) are sleeved on the side wall of the other first composite pulley (19) and the driven wheel (21) respectively.
5. The small ball screening device for producing a bearing steel ball according to claim 1, characterized by, The water feeding mechanism comprises a water tank (6), the other end of the top of the water tank (6) is fixed with a water tank (6), the other end of each of the three second rotating shafts (17) is installed with a rotating joint (23), and the three rotating joints (23) are in communication with the three second rotating shafts (17) respectively, the top of the operating table (1) is fixed with a water pump (11), and the water inlet of the water pump (11) is in communication with the water tank (6), the water outlet of the water pump (11) is fixed with a first connecting pipe (12), one end of the first connecting pipe (12) is installed with a second connecting pipe (13), the outer side wall of the second connecting pipe (13) is installed with three branch pipes (14), one end of each of the three branch pipes (14) is in communication with the second connecting pipe (13), and the other end of each of the three branch pipes (14) is in communication with the three rotating joints (23) respectively.
6. The small ball screening device for producing a bearing steel ball according to claim 1, wherein The collecting mechanism comprises three first grooves (26), the three first grooves (26) are equidistantly arranged on the other end of the top of the operating table (1), and the three first grooves (26) are located directly below the three rollers (15) respectively, the inner side wall of each of the three first grooves (26) is inclinedly fixed with a guide plate (27), the inner top of each of the three guide plates (27) is provided with a second groove (28), the other end of the top of the operating table (1) is fixed with two partition plates (25), and the two partition plates (25) are located in the water tank (6) respectively, and the two partition plates (25) are located between the three rollers (15) respectively.