Ventilation type rice drying machine with reciprocating screening function
By designing a ventilated rice dryer with reciprocating screening function, using fan blades to speed up air circulation, stir the rice with flip plates, and swing the screen cylinder to reciprocating and swing the impurities, the problems of uneven rice drying and impurities affecting quality are solved, and uniform drying of rice and effective removal of impurities are achieved.
Patent Information
- Application Number
- CN202421651704.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-07-12
AI Technical Summary
The accumulation of rice in the dryer results in uneven drying, and the doped impurities affect product quality.
A ventilated rice dryer with reciprocating screening function is designed, using components such as the second motor, rotating rod, flip plate, heating wire, third motor and fan blade to speed up the air circulation through the fan blade, stir the rice with the flip plate, and swing the screen barrel back and forth to screen impurities.
It realizes uniform drying of rice and effective screening of impurities, improving product quality and drying efficiency.
Smart Images

Figure CN222783854U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of rice production and processing, in particular to a ventilation type rice drying machine with a reciprocating screening function. Background Art
[0002] Rice, also known as rice, is a food made from rice seeds after processes such as cleaning, husking, milling, and finished product arrangement. Rice contains nearly 64% of the nutrients in rice and more than 90% of the nutrients needed by the human body. It can be divided into three types: indica rice, japonica rice, and glutinous rice.
[0003] During rice production, the rice needs to be dried to remove moisture mixed in the rice and prevent the rice from getting moldy during storage. However, a large amount of rice piled up in the dryer will cause uneven drying, and impurities will be mixed into the rice during the collection and transportation process before the drying process, which can easily affect the product quality. Utility Model Content
[0004] In order to overcome the above defects, the utility model provides a ventilation type rice dryer with a reciprocating screening function, which solves the problem that a large amount of rice piled up in the dryer will cause uneven drying, and impurities mixed in the rice will affect the quality of the final product.
[0005] To achieve the above object, the utility model provides the following technical solutions: a ventilated rice dryer with a reciprocating screening function, comprising a base, a collecting box is slidably mounted on the base, a first motor is mounted on the base, a drying tank is connected to the base, a feed pipe is connected above the drying tank, a discharge hopper is connected below the drying tank, a waste residue box is slidably connected to the drying tank through the discharge hopper, hot air boxes are mounted on both sides of the drying tank, a mounting plate is connected to one side of the drying tank, connecting rods are rotatably connected to both sides of the drying tank, a sieve cylinder is connected between the two connecting rods, and a second motor is mounted on the mounting plate;
[0006] The second motor output shaft is connected to a rotating rod, a connecting circular plate is connected to the rotating rod, a plurality of flipping plates are connected between the two connecting circular plates, an air inlet is opened on the hot air box, a heating wire is installed on the hot air box, a dust shield is connected to the hot air box, a fixing frame is connected inside the hot air box, a third motor is installed on the fixing frame, and a fan blade is connected to the output shaft of the third motor.
[0007] As a further solution of the utility model: a plurality of vents are provided on the drying tank, and connecting grooves are provided on the inner walls on both sides of the discharge hopper.
[0008] As a further solution of the utility model: a handle is connected to the waste slag box, and connecting plates are connected to both sides of the waste slag box, and the connecting plates are slidably connected to the connecting grooves.
[0009] As a further solution of the utility model: the first motor output shaft is connected to a main synchronous wheel, a toothed belt is installed on the main synchronous wheel, the main synchronous wheel is connected to a secondary synchronous wheel through the toothed belt, and a connecting rod on one side of the screen drum is connected to the secondary synchronous wheel.
[0010] As a further solution of the utility model: the rotating rod passes through the connecting rod and is rotatably connected to the screen drum, and a total of three flipping plates are connected to the connecting circular plate in a manner that the centers of the rotating rod axes are opposite, and the flipping plates are of spiral design.
[0011] As a further solution of the utility model: threaded holes are opened on both sides of the base, an anti-skid pad is connected to the bottom of the base, and anti-skid patterns are arranged below the anti-skid pad.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. The ventilation type rice dryer with a reciprocating screening function is provided with a second motor, a rotating rod, a turning plate, a heating wire, a third motor and a fan blade. The fan blade is rotated by the third motor, and the heating wire heats the surrounding air at the same time, so that the circulation speed of the air in the drying tank is accelerated by the rotating fan blade, so that the high-temperature air quickly fills the drying tank to dry the rice, and the second motor rotates the rotating rod, so that the rotating rod drives the turning plate to rotate, so that the turning plate turns and stirs the rice in the screen drum to avoid rice accumulation, thereby uniformly drying the rice in the screen drum, and when the turning plate turns the rice, the impurities in the rice are turned together, so that the impurities are screened out through the screen drum, and the impurities fall into the waste residue box for collection.
[0014] 2. The ventilation type rice dryer with reciprocating screening function is provided with a first motor, a main synchronous wheel, a toothed belt, a secondary synchronous wheel and a screen drum. The first motor is started to rotate the main synchronous wheel, so that the main synchronous wheel drives the secondary synchronous wheel to rotate through the toothed belt, and the rotation of the secondary synchronous wheel drives the screen drum to rotate. Therefore, during drying, the screen drum is caused to swing back and forth through the rotation of the secondary synchronous wheel, so that the rice can shake in the screen drum, so that the rice can keep loose and uniform contact with the heated air, and the reciprocatingly swinging screen drum can screen out impurities in the rice when the rice shakes, thereby improving the quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the drying tank of the utility model;
[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the screen drum and the turning plate of the utility model;
[0018] Figure 4 It is a schematic diagram of the cross-sectional structure of the hot air box of the utility model;
[0019] In the figure: 1. base; 2. collecting box; 3. first motor; 4. drying tank; 5. feeding pipe; 6. ventilation port; 7. discharging hopper; 8. waste slag box; 801. handle; 802. connecting plate; 9. hot air box; 10. mounting plate; 11. connecting groove; 12. connecting rod; 13. screen cylinder; 14. second motor; 15. rotating rod; 16. connecting circular plate; 17. turning plate; 18. main synchronous wheel; 19. toothed belt; 20. auxiliary synchronous wheel; 21. air inlet; 22. heating wire; 23. dust shield; 24. fixing frame; 25. third motor; 26. fan blade; 27. threaded hole; 28. anti-slip pad. DETAILED DESCRIPTION
[0020] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.
[0021] like Figure 1-4 As shown, the utility model provides a technical solution: a ventilation type rice dryer with a reciprocating screening function, comprising a base 1, a collecting box 2 is slidably installed on the base 1, a first motor 3 is installed on the base 1, an output shaft of the first motor 3 is connected with a main synchronous wheel 18, a toothed belt 19 is installed on the main synchronous wheel 18, the main synchronous wheel 18 is connected with a secondary synchronous wheel 20 through the toothed belt 19, a connecting rod 12 on one side of a screen drum 13 is connected with the secondary synchronous wheel 20, the main synchronous wheel 18 is rotated by the first motor 3 to drive the secondary synchronous wheel 20 to rotate, so that the screen drum 13 can swing back and forth in the drying tank 4 during drying, thereby screening out impurities in the rice and preventing the rice from piling up and affecting the drying effect.
[0022] Threaded holes 27 are provided on both sides of the base 1, and an anti-skid pad 28 is connected to the bottom of the base 1. Anti-skid patterns are provided under the anti-skid pad 28. The anti-skid patterns under the anti-skid pad 28 increase the friction with the ground, thereby preventing the base 1 from sliding and improving the stability of the fixation.
[0023] A drying tank 4 is connected to the base 1, a feed pipe 5 is connected above the drying tank 4, a discharge hopper 7 is connected below the drying tank 4, a plurality of vents 6 are provided on the drying tank 4, and connecting grooves 11 are provided on the inner walls on both sides of the discharge hopper 7. The vents 6 ensure normal ventilation in the drying tank 4 to avoid accumulation of humid air generated by drying in the drying tank 4, thereby improving the drying effect.
[0024] The drying tank 4 is slidably connected to the waste slag box 8 through the discharge hopper 7, and the waste slag box 8 is connected to a handle 801. Connecting plates 802 are connected to both sides of the waste slag box 8. The connecting plates 802 are slidably connected to the connecting grooves 11. By sliding the connecting plates 802 in the connecting grooves 11, the staff can quickly complete the positioning and installation of the waste slag box 8, thereby collecting the impurities screened out by the screen drum 13.
[0025] Hot air boxes 9 are installed on both sides of the drying tank 4, a mounting plate 10 is connected to one side of the drying tank 4, connecting rods 12 are rotatably connected to both sides of the drying tank 4, a screen cylinder 13 is connected between the two connecting rods 12, a second motor 14 is installed on the mounting plate 10, a rotating rod 15 is connected to the output shaft of the second motor 14, a connecting circular plate 16 is connected to the rotating rod 15, a plurality of turning plates 17 are connected between the two connecting circular plates 16, an air inlet 21 is opened on the hot air box 9, a heating wire 22 is installed on the hot air box 9, a dust shield 23 is connected to the hot air box 9, and the hot air box 9 A fixing frame 24 is connected inside, and a third motor 25 is installed on the fixing frame 24. The output shaft of the third motor 25 is connected to a fan blade 26. The rotating rod 15 passes through the connecting rod 12 and is rotatably connected to the screen drum 13. A total of three turning plates 17 are connected to the connecting circular plate 16 in a manner that the center of the axis of the rotating rod 15 is opposite, and the turning plates 17 are of spiral design. The rice in the screen drum 13 is continuously turned and stirred by multiple turning plates 17 to keep the rice loose, and the impurities in the rice are turned out, so that the impurities mixed in the rice fall into the waste residue box 8 from the holes on the screen drum 13.
[0026] The working principle of the utility model is:
[0027] The rice to be dried is fed into the sieve drum 13 from the feed pipe 5, and the third motor 25 is started to rotate the fan blades 26. At the same time, the heating wire 22 heats the surrounding air, thereby accelerating the circulation speed of the air in the drying tank 4 through the rotating fan blades 26, so that the high-temperature air quickly fills the drying tank 4, thereby drying the rice. At the same time, the second motor 14 rotates the rotating rod 15, so that the turning plate 17 stirs the rice in the sieve drum 13, and the first motor 3 rotates the main synchronous wheel 18, so that the main synchronous wheel 18 drives the auxiliary gear 17 through the toothed belt 19. The synchronous wheel 20 rotates, and the auxiliary synchronous wheel 20 drives the screen drum 13 to swing back and forth during drying, so that the rice can shake in the screen drum 13, so that the rice remains loose and evenly contacts the heated air, and the reciprocatingly swinging screen drum 13 can screen out impurities in the rice when stirring the rice, so that the impurities fall into the waste residue box 8, and after the drying is completed, the waste residue box 8 is pulled out of the discharge hopper 7, and the screen drum 13 is continuously rotated by the first motor 3, so that the rice in the screen drum 13 is poured into the collection box 2 for collection.
[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0029] The above describes in detail the preferred implementation of this patent, but this patent is not limited to the above implementation. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.
Claims
1. A ventilated rice drying machine with a reciprocating sieving function, comprising a base (1), characterized in that: A collecting box (2) is slidably mounted on the base (1), a first motor (3) is mounted on the base (1), a drying tank (4) is connected to the base (1), a feed pipe (5) is connected to the top of the drying tank (4), a discharge hopper (7) is connected to the bottom of the drying tank (4), a waste residue box (8) is slidably connected to the drying tank (4) via the discharge hopper (7), hot air boxes (9) are mounted on both sides of the drying tank (4), a mounting plate (10) is connected to one side of the drying tank (4), connecting rods (12) are rotatably connected to both sides of the drying tank (4), a sieve drum (13) is connected between the two connecting rods (12), and a second motor (14) is mounted on the mounting plate (10); The output shaft of the second motor (14) is connected to a rotating rod (15), a connecting circular plate (16) is connected to the rotating rod (15), a plurality of flipping plates (17) are connected between the two connecting circular plates (16), an air inlet (21) is provided on the hot air box (9), a heating wire (22) is installed on the hot air box (9), a dust shield plate (23) is connected to the hot air box (9), a fixing frame (24) is connected inside the hot air box (9), a third motor (25) is installed on the fixing frame (24), and the output shaft of the third motor (25) is connected to a fan blade (26).
2. A ventilation type rice drying machine with reciprocating sieving function according to claim 1, characterized in that: The drying tank (4) is provided with a plurality of ventilation holes (6), and the inner walls on both sides of the discharge hopper (7) are provided with connection grooves (11).
3. A ventilation type rice drying machine with reciprocating sieving function according to claim 2, characterized in that: The waste slag box (8) is connected to a handle (801), and connecting plates (802) are connected to both sides of the waste slag box (8), and the connecting plates (802) are slidably connected to the connecting grooves (11).
4. A ventilation type rice drying machine with reciprocating sieving function according to claim 1, characterized in that: The output shaft of the first motor (3) is connected to a main synchronous wheel (18), a toothed belt (19) is installed on the main synchronous wheel (18), the main synchronous wheel (18) is connected to a secondary synchronous wheel (20) via the toothed belt (19), and a connecting rod (12) on one side of the screen drum (13) is connected to the secondary synchronous wheel (20).
5. The ventilation type rice drying machine with reciprocating sieving function according to claim 1, characterized in that: The rotating rod (15) passes through the connecting rod (12) and is rotatably connected to the screen drum (13). A total of three turning plates (17) are connected to the connecting circular plate (16) in a manner that the axis centers of the rotating rod (15) are opposite to each other, and the turning plates (17) are of spiral design.
6. A ventilation type rice drying machine with reciprocating sieving function according to claim 1, characterized in that: Threaded holes (27) are provided on both sides of the base (1); an anti-skid pad (28) is connected to the bottom of the base (1); and anti-skid patterns are provided below the anti-skid pad (28).