Rice bran powder screening machine
By introducing a vibrating screen and pushing structure into the bran powder screening machine, the unbroken grain shell is pushed into the crushing box for secondary treatment, which solves the problem of low efficiency of bran powder screening machine in the prior art and achieves more efficient Screening and crushing processes reduce production costs and maintenance requirements.
Patent Information
- Application Number
- CN202420871564.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-25
AI Technical Summary
The existing bran powder screening machines require secondary crushing of the grain crust after screening, resulting in low working efficiency and a waste of time.
A bran powder screening machine is designed, including a screening box and a crushing box. The screening box is equipped with a vibrating screen and a push structure to push the unbreakable grain shell into the crushing box. The crushing box is equipped with a rotating shaft and a screw. The blade is secondary crushed and screened through a filter to simplify the operation process.
Improve production efficiency, reduce unnecessary operating steps and time, reduce energy and labor costs, maintain the normal operation of the screening machine, and reduce downtime and maintenance time.
Smart Images
Figure CN222241341U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of grain processing, in particular to a bran powder screening machine. Background Art
[0002] Bran powder is a powder obtained by grinding the outer skin of grains, common ones include rice bran powder, wheat bran powder, etc. It is usually used as a food additive, animal feed or a raw material in agricultural production.
[0003] In the prior art, patent application number CN210304577U discloses a bran powder screening machine, a frame; a screen cylinder, including an outer cylinder and a tapered inner cylinder arranged in the outer cylinder, a powder suction chamber is formed between the outer cylinder and the inner cylinder, and screen holes are formed on the cylinder wall of the inner cylinder; a negative pressure suction pipe is connected to the lower end of the outer cylinder; a feed pipe is connected to the upper end of the inner cylinder; an inner cylinder cleaning device, including a main shaft extending downward from the upper end of the inner cylinder into the inner cylinder, a bracket mounted on the main shaft and a cleaning brush mounted on the bracket, and the main shaft is driven by a motor; and a discharge device, including a discharge pipe and a spiral blade located in the discharge pipe, the upper end of the discharge pipe is connected to the lower end of the inner cylinder, and the lower end is sealed and passes through the negative pressure suction pipe, the lower end of the main shaft passes through the discharge pipe and is supported by a base, and the spiral blade is arranged on the main shaft. The bran powder sifter of the utility model can screen bran powder from a mixture of bran powder and bran shells. The screened bran powder has higher purity, and the quality of the feed will be higher when used as a feed additive.
[0004] With respect to the above scheme, there are the following technical problems: since bran powder is obtained by grinding the grain husk, there may be grain husks that have not been completely crushed. In this case, a bran powder screening machine is needed. Most of the bran powder screening machines in the prior art need to collect the grain husks and perform secondary crushing after screening the bran powder and the grain husks, which greatly affects the work efficiency and wastes working time. Therefore, the bran powder screening machines in the prior art have the defect of low work efficiency. Utility Model Content
[0005] The purpose of the utility model is to provide a bran powder screening machine to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bran powder screening machine comprises a screening box and a crushing box, the side end above the screening box is fixedly connected with a feeding port, a screening structure is arranged inside the screening box, the screening structure screens the bran powder, a pushing structure is arranged above the screening structure, the pushing structure pushes the screened grain husks and larger particles of bran powder into the crushing box, the crushing box is fixedly connected to the side of the screening box, a rotating shaft is arranged inside the crushing box, a driving motor is fixedly connected to the side of the crushing box, an output end of the driving motor passes through the crushing box and is fixedly connected to one end of the rotating shaft, the other end of the rotating shaft is rotatably connected to the outer wall of the screening box, a spiral blade is fixedly connected to the surface of the rotating shaft, the spiral blade performs secondary crushing of the grain husk, a filter is fixedly connected inside the crushing box, and the filter is arranged below the rotating shaft.
[0007] In a preferred embodiment of the utility model, the screening structure includes a screen and a vibration motor, a support plate is fixedly connected to the inside of the screening box, the vibration motor is fixedly connected to the upper surface of the support plate, the screen is fixedly connected to the vibration end of the vibration motor, one end of the screen is slidably connected to the inner wall of the screening box, and the other end of the screen is in a suspended state, and the vibration motor drives the screen to vibrate slightly.
[0008] In a preferred embodiment of the utility model, the pushing structure includes a threaded rod and a sliding block, a servo motor is fixedly connected to the side of the screening box, the threaded rod is arranged above the screen, the output end of the servo motor passes through the screening box and is fixedly connected to one end of the threaded rod, the other end of the threaded rod passes through the screening box and the crushing box and is rotatably connected to the inner wall of the crushing box, the sliding block is threadedly connected to the surface of the threaded rod, and a cleaning brush is fixedly connected to the lower end of the sliding block, and the cleaning brush can clean the surface of the screen while pushing the grain husk on the surface of the screen.
[0009] In a preferred embodiment of the utility model, a discharge port is provided on the lower surface of the screening box, a left baffle is fixedly connected to the interior of the screening box, the left baffle is arranged below the screen, a right baffle is fixedly connected to the interior of the crushing box, the right baffle is arranged below the filter, both the left baffle and the right baffle extend above the discharge port, a storage box is arranged below the discharge port, and support legs are fixedly connected to the lower surface of the screening box and the lower surface of the crushing box.
[0010] Beneficial Effects
[0011] The utility model provides a bran powder screening machine, which has the following beneficial effects:
[0012] 1. The bran powder screening machine, by setting a rotating shaft and a spiral blade, can perform secondary crushing of the grain husk that has not been completely crushed, and discharge the material directly from the discharge port, saving working time, thereby improving production efficiency, reducing unnecessary operating steps and time, and saving energy costs. Since working time is saved, labor costs and production time are reduced, the overall production cost can be reduced.
[0013] 2. The bran powder screening machine, by setting a pushing structure to push the accumulated grain husks into the crushing box, can timely clean the impurities and husks on the screen, keep the screen unobstructed, and improve the screening efficiency of bran powder. The cleaning brush cleans the surface of the screen to prevent impurities and husks from clogging the screen, maintain the normal operation of the screening machine, and reduce downtime for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the front section structure of the utility model;
[0016] Figure 3 It is a schematic diagram of the side section structure of the utility model.
[0017] In the figure: 1. screening box; 2. crushing box; 3. feeding port; 4. screening structure; 5. pushing structure; 6. rotating shaft; 7. driving motor; 8. spiral blade; 9. filter screen; 10. screen; 11. vibration motor; 12. support plate; 13. threaded rod; 14. sliding block; 15. servo motor; 16. cleaning brush; 17. discharging port; 18. left baffle; 19. right baffle; 20. storage box; 21. supporting leg. DETAILED DESCRIPTION
[0018] 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.
[0019] See also Figure 1-3The utility model provides a technical solution: a bran powder screening machine comprises a screening box 1 and a crushing box 2, a feeding port 3 is fixedly connected to the side end above the screening box 1, a screening structure 4 is arranged inside the screening box 1, the screening structure 4 comprises a screen 10 and a vibration motor 11, a support plate 12 is fixedly connected to the inside of the screening box 1, the vibration motor 11 is fixedly connected to the upper surface of the support plate 12, the screen 10 is fixedly connected to the vibration end of the vibration motor 11, one end of the screen 10 is slidably connected to the inner wall of the screening box 1, and the other end of the screen 10 is in a suspended state, the vibration motor 11 drives the screen 10 to vibrate slightly, the bran powder is poured into the inside of the screening box 1 through the feeding port 3, and then falls on the surface of the screen 10, the vibration motor 11 is started to drive the screen 10 to vibrate slightly up and down, the bran powder is screened, the bran powder passes through the screen 10 and falls below, and the grain husk stays above the screen 10.
[0020] A pushing structure 5 is arranged above the screening structure 4, and the pushing structure 5 includes a threaded rod 13 and a sliding block 14. A servo motor 15 is fixedly connected to the side of the screening box 1. The threaded rod 13 is arranged above the screen 10. The output end of the servo motor 15 passes through the screening box 1 and is fixedly connected to one end of the threaded rod 13. The other end of the threaded rod 13 passes through the screening box 1 and the crushing box 2 and is rotatably connected to the inner wall of the crushing box 2. The sliding block 14 is threadedly connected to the surface of the threaded rod 13, and a cleaning brush 16 is fixedly connected to the lower end of the sliding block 14.
[0021] Start the servo motor 15 to drive the threaded rod 13 to rotate. The rotation of the threaded rod 13 immediately drives the sliding block 14 threadedly connected to its surface to slide along the surface of the threaded rod 13. The movement of the sliding block 14 drives the cleaning brush 16 to push the grain husks screened out from the top of the screen 10 into the crushing box 2. The cleaning brush 16 pushes away the grain husks and cleans the screen 10 at the same time. By setting the pushing structure 5 to push the accumulated grain husks into the crushing box 2, the impurities and husks on the screen 10 can be cleaned in time, the screen 10 can be kept unobstructed, and the screening efficiency of bran powder can be improved. The cleaning brush 16 cleans the surface of the screen 10 to prevent impurities and husks from clogging the screen 10, thereby maintaining the normal operation of the screening machine and reducing downtime for maintenance.
[0022] The crushing box 2 is fixedly connected to the side of the screening box 1, and a rotating shaft 6 is arranged inside the crushing box 2. A driving motor 7 is fixedly connected to the side of the crushing box 2. The output end of the driving motor 7 passes through the crushing box 2 and is fixedly connected to one end of the rotating shaft 6. The other end of the rotating shaft 6 is rotatably connected to the outer wall of the screening box 1. A spiral blade 8 is fixedly connected to the surface of the rotating shaft 6. The spiral blade 8 performs secondary crushing of the grain husk. A filter screen 9 is fixedly connected inside the crushing box 2. The filter screen 9 is arranged below the rotating shaft 6. When the grain husk reaches the inside of the crushing box 2, it falls above the filter screen 9, and the driving motor is started. The machine 7 drives the rotating shaft 6 to rotate, and the rotating shaft 6 drives the spiral blade 8 on the surface to rotate. The rotation of the spiral blade 8 performs secondary crushing on the grain husk. When it is crushed to the size of bran powder, the bran powder passes through the filter 9. By setting the rotating shaft 6 and the spiral blade 8, the grain husk that has not been completely crushed can be secondary crushed and discharged directly from the discharge port 17, saving working time, thereby improving production efficiency, reducing unnecessary operating steps and time, and saving energy costs. Since working time is saved, labor costs and production time are reduced, the overall production cost can be reduced.
[0023] A discharge port 17 is provided on the lower surface of the screening box 1, and a left baffle 18 is fixedly connected to the interior of the screening box 1, and the left baffle 18 is arranged below the screen 10. A right baffle 19 is fixedly connected to the interior of the crushing box 2, and the right baffle 19 is arranged below the filter 9. Both the left baffle 18 and the right baffle 19 extend to the top of the discharge port 17, and a storage box 20 is arranged below the discharge port 17. Support legs 21 are fixedly connected to the lower surfaces of the screening box 1 and the crushing box 2. The bran powder screened by the screen 10 is discharged from the discharge port 17 through the left baffle 18, and the bran powder screened by the filter 9 is also discharged from the discharge port 17 through the right baffle 19.
[0024] Usage: Bran powder is poured into the interior of the screening box 1 through the feed port 3, and then falls onto the surface of the screen 10. The vibration motor 11 is started to drive the screen 10 to vibrate slightly up and down to screen the bran powder. The bran powder passes through the screen 10 and falls below, and the grain husk stays above the screen 10. Then the servo motor 15 is started to drive the threaded rod 13 to rotate. The rotation of the threaded rod 13 then drives the sliding block 14 threadedly connected to its surface to slide along the surface of the threaded rod 13. The movement of the sliding block 14 drives the cleaning brush 16 to push the grain husk screened above the screen 10 into the crushing box 2. The cleaning brush 16 pushes away the grain husk and cleans the screen 10 at the same time.
[0025] When the grain husk reaches the inside of the crushing box 2, it falls above the filter 9, and the drive motor 7 is started to drive the rotating shaft 6 to rotate. The rotating shaft 6 drives the spiral blade 8 on the surface to rotate. The rotation of the spiral blade 8 performs secondary crushing on the grain husk. When it is crushed to the size of bran powder, the bran powder passes through the filter 9, and the bran powder screened out by the screen 10 is discharged from the discharge port 17 through the left baffle 18, and the bran powder screened out by the filter 9 is also discharged from the discharge port 17 through the right baffle 19.
[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A bran powder screening machine, comprising a screening box (1) and a crushing box (2), characterized in that: The upper side end of the screening box (1) is fixedly connected with a feed port (3); a screening structure (4) is arranged inside the screening box (1); the screening structure (4) screens bran powder; a pushing structure (5) is arranged above the screening structure (4); the pushing structure (5) pushes the screened grain husks and bran powder of larger particles into the crushing box (2); The crushing box (2) is fixedly connected to the side of the screening box (1); a rotating shaft (6) is arranged inside the crushing box (2); a driving motor (7) is fixedly connected to the side of the crushing box (2); an output end of the driving motor (7) passes through the crushing box (2) and is fixedly connected to one end of the rotating shaft (6); the other end of the rotating shaft (6) is rotatably connected to the outer wall of the screening box (1); a spiral blade (8) is fixedly connected to the surface of the rotating shaft (6); the spiral blade (8) performs secondary crushing on the outer shell of the grain; a filter screen (9) is fixedly connected to the inside of the crushing box (2); and the filter screen (9) is arranged below the rotating shaft (6).
2. A bran powder screening machine according to claim 1, characterized in that: The screening structure (4) comprises a screen (10) and a vibration motor (11); a support plate (12) is fixedly connected to the interior of the screening box (1); and the vibration motor (11) is fixedly connected to the upper surface of the support plate (12).
3. A bran powder screening machine according to claim 2, characterized in that: The screen (10) is fixedly connected to the vibrating end of the vibrating motor (11), one end of the screen (10) is slidably connected to the inner wall of the screening box (1), and the other end of the screen (10) is in a suspended state. The vibrating motor (11) drives the screen (10) to vibrate slightly.
4. A bran powder screening machine according to claim 3, characterized in that: The pushing structure (5) comprises a threaded rod (13) and a sliding block (14); a servo motor (15) is fixedly connected to the side of the screening box (1); and the threaded rod (13) is arranged above the screen (10).
5. A bran powder screening machine according to claim 4, characterized in that: The output end of the servo motor (15) passes through the screening box (1) and is fixedly connected to one end of the threaded rod (13), and the other end of the threaded rod (13) passes through the screening box (1) and the crushing box (2) and is rotatably connected to the inner wall of the crushing box (2).
6. A bran powder screening machine according to claim 5, characterized in that: The sliding block (14) is threadedly connected to the surface of the threaded rod (13); a cleaning brush (16) is fixedly connected to the lower end of the sliding block (14); the cleaning brush (16) can clean the surface of the screen (10) while pushing the grain husk on the surface of the screen (10).
7. A bran powder screening machine according to claim 6, characterized in that: The lower surface of the screening box (1) is provided with a discharge port (17); a left baffle (18) is fixedly connected to the interior of the screening box (1), and the left baffle (18) is arranged below the screen (10); a right baffle (19) is fixedly connected to the interior of the crushing box (2), and the right baffle (19) is arranged below the filter (9); the left baffle (18) and the right baffle (19) both extend to the top of the discharge port (17).
8. A bran powder screening machine according to claim 7, characterized in that: A material storage box (20) is arranged below the discharge port (17), and the lower surface of the screening box (1) and the lower surface of the crushing box (2) are both fixedly connected with support legs (21).