Dual feeding wave flapping hybrid screening and cleaning device

Abstract

The application discloses a double-feeding wave wing mixed-motion screening device, which belongs to agricultural machinery. A camera is fixed on the top of a rack assembly through a camera fixing frame. An upper screen assembly is symmetrically arranged on the upper part of the rack assembly. An electric push rod A is symmetrically arranged on the lower side of the upper screen assembly. The upper and lower ends of the electric push rod A are respectively assembled with an upper screen shaft and a supporting shaft. A partition plate is fixed on the symmetric position of the middle part of the rack assembly. A left wing screen plate and a right wing screen plate are arranged on the middle part of the partition plate. Shafts are respectively assembled with through holes of the left wing screen plate, a through hole of the electric push rod B and through holes of the right wing screen plate. The lower end of the electric push rod B is fixed on the lower part of the rack assembly. A fan A, a fan B and a fan C are respectively fixed on a middle supporting table A, a side supporting table and a middle supporting table B. A controller assembly is fixed on the right side of the outside of the rack assembly. A grain collecting part is fixed on the lower end of the rack assembly. The double-feeding wave wing mixed-motion screening device adopts the mixed motion of three screen surfaces and the double-feeding mode, realizes the efficient and high-quality screening of grain seeds, and has compact structure and reasonable arrangement.

Description

TECHNICAL FIELD

[0001] The application belongs to agricultural machinery, and particularly relates to a double-feeding wave flapping wing mixed-motion screen cleaning device. BACKGROUND

[0002] Grain cleaning, as a key agricultural technology, has important significance for grain storage, breeding, processing and the like. At present, the feeding mode of the grain cleaning device is mostly single-side feeding, the feeding amount is small, and the movement mode of the screen surface is fixed plane reciprocating movement, which causes the material to be accumulated on the screen surface, the screening is not sufficient, the cleaning rate is affected, the cleaning quality is poor, and the grain cleaning rate is reduced. SUMMARY

[0003] The application aims at the above-mentioned existing technical problems, and combines with the work practice to develop a double-feeding wave flapping wing mixed-motion screen cleaning device. The double-feeding, three-screen surface mixed-motion screening and multiple fan air selection are adopted. Meanwhile, the camera can dynamically adjust the screen surface movement and the fan air speed according to the grain amount on the upper screen surface by using the controller assembly, the cleaning rate and the cleaning efficiency of the grain cleaning are improved, and the efficient and high-quality cleaning of the grain is realized.

[0004] 1. The purpose of the present application is achieved in that a double feeding wave flapping wing mixed screening device, characterized in that: the camera 1 is arranged symmetrically on the camera fixing frame 15, the camera fixing frame 15 is fixed on the middle of the upper side of the rack assembly 2, the upper side of the rack assembly 2 is matched with the upper screen wave guide groove 14 through the short shaft A 22, two upper screen assemblies 13 are installed, two electric push rods A 3 are installed on the lower side of the upper screen assembly 13, the through holes at the upper and lower ends of the electric push rod A 3 are matched with the upper screen shaft 23 and the support shaft 16 respectively, and the electric push rod A 3 is installed on the left and right symmetrical positions of the upper part of the rack assembly 2, two partition plates 20 are fixed on the left and right symmetrical positions of the middle part of the rack assembly 2, the lower side of the middle position of the two partition plates 20 is provided with a lower screen wave guide groove 19, the left wing screen plate 5 is matched with the corresponding lower screen wave guide groove 19 through the two short shafts B 24 on the left side, the right wing screen plate 10 is matched with the corresponding lower screen wave guide groove 19 through the two short shafts B 24 on the right side, and the left wing screen plate 5 and the right wing screen plate 10 are respectively installed on the two partition plates 20, the shaft 9 is matched with the upper end through hole of the electric push rod B 8 through interference, and the left side through hole of the left wing screen plate 5 and the left side through hole of the right wing screen plate 10 are matched with the lower end support of the electric push rod B 8 through interference, the lower end support of the electric push rod B 8 is fixed on the middle position of the lower part of the rack assembly 2, the fan A 12 is fixed on the middle support table A 21 on the rear side of the rack assembly 2, the fan B 4 is symmetrically arranged and fixed on the side support table 17, the fan C 6 is fixed on the middle support table B 18, the controller assembly 11 is fixed on the right side outside the rack assembly 2, the grain collecting part 7 is fixed on the lower end of the rack assembly 2, and a plurality of wires are connected between the controller assembly 11 and the camera 1, the electric push rod A 3, the electric push rod B 8, the fan A 12, the fan B 4 and the fan C 6; during operation, the grain seeds fall on the screen surface of the upper screen assembly 13, the upper screen assembly 13 is driven by the electric push rod A 3, the short shaft A 22 makes wave motion in the upper screen wave guide groove 14, part of the grain seeds falls from the screen hole, in the falling process, the double air outlet of the fan B 4 blows air flow to blow out the sundries carried by the grain seeds, the cleaned seeds fall into the grain collecting part 7, the other part of the grain seeds that does not pass through the screen hole of the upper screen assembly 13 falls along the inner inclined edge, in the falling process, the double fan port of the fan A 12 blows out the sundries in the grain seeds, the grain seeds fall on the left wing screen plate 5 and the right wing screen plate 10, the electric push rod B 8 drives the left wing screen plate 5 and the right wing screen plate 10 to rotate around the shaft 9, the short shaft B 24 of the left wing screen plate 5 and the right wing screen plate 10 moves in the lower screen wave guide groove 19, and the whole presents a mixed motion of flapping wing motion and wave motion, the grain seeds fall through the screen hole of the left wing screen plate 5 and the right wing screen plate 10, in the falling process, the fan C 6 blows air flow to perform air selection on the grain seeds again, and the cleaned seeds fall into the grain collecting part 7. The screen surface of the upper screen assembly 13 presents a right trapezoid as a whole, and the bottom angle is 30°.

[0005] The beneficial effects of the present application are: the upper screen assembly is inclined at a certain angle, the material falls on the screen surface from the left and right sides, the wave motion of the upper screen assembly increases the residence time of the material on the screen surface, enhances the grain screening number, and the un-screened material falls along the inner inclined edge of the upper screen surface and falls evenly on the lower screen surface, the lower screen surface rotates around the shaft and does a mixed motion of flapping wing motion and wave motion, effectively increasing the degree of chaos of the material on the screen surface, accelerating the screening speed of the grain, the multiple fans are arranged to perform multiple air separation on the grain, improving the cleaning quality, and the camera can dynamically adjust the screen motion and the fan speed according to the amount of grain on the screen surface, having the characteristics of compact structure, reasonable arrangement, high cleaning efficiency, good cleaning quality and the like. BRIEF DESCRIPTION OF DRAWINGS

[0006] Figure 1 It is a schematic diagram of a double-feeding wave flapping wing mixed screen cleaning device.

[0007] Figure 2 It is an axonometric schematic diagram of a double-feeding wave flapping wing mixed screen cleaning device.

[0008] Figure 3 It is a schematic diagram of a rack assembly.

[0009] Figure 4 It is a schematic diagram of a single-side upper screen motion structure.

[0010] Figure 5 It is a schematic diagram of an upper screen assembly.

[0011] Figure 6 It is a schematic diagram of an electric push rod A structure.

[0012] Figure 7 It is a schematic diagram of a flapping wing and wave mixed motion screen motion structure.

[0013] Figure 8 It is a schematic diagram of a left (right) wing screen plate structure.

[0014] Figure 9 It is a schematic diagram of an electric push rod B.

[0015] Explanation of parts in the figure:

[0016] 1. camera, 2. rack assembly, 3. electric push rod A, 4. fan B, 5. left wing screen plate, 6. fan C, 7. grain collecting part, 8. electric push rod B, 9. shaft, 10. right wing screen plate, 11. controller assembly, 12. fan A, 13. upper screen assembly, 14. upper screen wave guide groove, 15. camera fixing frame, 16. support shaft, 17. side support table, 18. middle support table B, 19. lower screen wave guide groove, 20. partition plate, 21. middle support table A, 22. short shaft A, 23. upper screen shaft, 24. short shaft B. DETAILED DESCRIPTION

[0017] A double-feeding wave flapping wing mixed-motion screening and cleaning device is described in detail below with reference to the accompanying drawings. The camera 1 is symmetrically arranged on the left and right sides and is fixed on the camera fixing frame 15. The camera fixing frame 15 is fixed on the middle position of the upper side of the rack assembly 2. The upper side of the rack assembly 2 is symmetrically arranged on the left and right sides and is matched with the upper sieve wave guide groove 14 through the short shaft A 22. Two upper sieve assemblies 13 are installed. Two electric push rods A 3 are installed on the lower side of the upper sieve assembly 13. The through holes at the upper and lower ends of the electric push rod A 3 are matched with the upper sieve shaft 23 and the support shaft 16, respectively. The electric push rod A 3 is installed on the upper part of the rack assembly 2 which is symmetrically arranged on the left and right sides. Two partition plates 20 are fixed on the middle part of the rack assembly 2 which is symmetrically arranged on the left and right sides. The lower sieve wave guide groove 19 is arranged on both sides of the middle position of the two partition plates 20. The left wing sieve plate 5 is matched with the corresponding lower sieve wave guide groove 19 through the two short shafts B 24 on the left side. The right wing sieve plate 10 is matched with the corresponding lower sieve wave guide groove 19 through the two short shafts B 24 on the right side. The shaft 9 is matched with the upper end through hole of the electric push rod B 8 through interference fit. The shaft 9 is matched with the through hole on the right side of the left wing sieve plate 5 and the through hole on the left side of the right wing sieve plate 10 through clearance fit. The lower end support of the electric push rod B 8 is fixed on the middle position of the lower part of the rack assembly 2. The fan A 12 is fixed on the middle support table A 21 on the rear side of the rack assembly 2. The fan B 4 is symmetrically arranged and fixed on the side support table 17. The fan C 6 is fixed on the middle support table B 18. The controller assembly 11 is fixed on the right side outside the rack assembly 2. The grain collecting component 7 is fixed on the lower end of the rack assembly 2. A plurality of wires are connected between the controller assembly 11 and the camera 1, the electric push rod A 3, the electric push rod B 8, the fan A 12, the fan B 4, and the fan C 6.

[0018] In operation, the grain seeds fall on the screen surface of the upper screen assembly 13. The upper screen assembly 13 is driven by the electric push rod A 3, the short shaft A 22 makes wave motion in the upper screen wave guide groove 14, and part of the grain seeds fall from the screen holes. In the falling process, the air blower B 4 blows air flow from the double air outlet, blows out the impurities carried by the grain seeds, and the cleaned seeds fall into the grain collecting part 7. Another part of the grain seeds that do not pass through the screen holes of the upper screen assembly 13 fall along the inner inclined edge, and in the falling process, the air blower A 12 blows air from the double air outlet, blows out the impurities in the grain seeds, and the grain seeds fall on the left wing screen plate 5 and the right wing screen plate 10. The electric push rod B 8 drives the left wing screen plate 5 and the right wing screen plate 10 to rotate around the shaft 9, the short shaft B 24 of the left wing screen plate 5 and the right wing screen plate 10 moves in the lower screen wave guide groove 19, and the whole presents a mixed motion of flapping wing motion and wave motion. The grain seeds fall through the screen holes of the left wing screen plate 5 and the right wing screen plate 10, and in the falling process, the air blower C 6 blows air flow to re-air the grain seeds, and the cleaned seeds fall into the grain collecting part 7. In the working process, the camera 1 collects the data of the number of seeds on the screen surface of the upper screen assembly 13, transmits the data to the controller assembly 11, and transmits signals according to the number of grain seeds. The frequency and stroke of the electric push rod A 3 and the electric push rod B 8 are dynamically changed in real time, so as to adjust the stroke and speed of the wave motion of the upper screen assembly 13, adjust the speed and amplitude of the flapping wing motion and the stroke and speed of the wave motion of the left wing screen plate 5 and the right wing screen plate 10, and dynamically adjust the wind speed of the air blower A 12, the air blower B 4 and the air blower C 6 in real time. The strength of the air selection blowing air flow is changed.

[0019] The multifunctional double-channel mixed-wing screen cleaning device designed by the application adopts a mixed motion of three screen surfaces and a double-sided feeding mode, a mixed air selection of multiple air blowers, and adjustment of the screen surface motion and the air blower speed through the camera and the controller assembly, realizes efficient and high-quality cleaning of grain seeds, has compact structure and reasonable arrangement.

Claims

1. A dual-feed type wave flapping wing hybrid screen cleaning device, characterized in that: The cameras (1) are symmetrically arranged and fixed on the camera mounting bracket (15). The camera mounting bracket (15) is fixed in the middle of the upper side of the frame assembly (2). The upper side of the frame assembly (2) is symmetrically arranged and fixed on the upper side through the short shaft A (22) and the upper screen wave guide groove (14). Two upper screen assemblies (13) are installed. Two electric push rods A (3) are installed on the lower side of the upper screen assembly (13). The through holes at the upper and lower ends of the electric push rods A (3) are respectively connected to the upper screen shaft (23) and the support shaft (16). They are installed in the upper part of the frame assembly (2) in a symmetrical position. Two partition plates (20) are fixed in the middle of the frame assembly (2) in a symmetrical position. The lower screen wave guide groove (19) is provided on both sides of the middle position of the two partition plates (20). The sieve plate (5) is fitted with the corresponding lower sieve wave guide groove (19) through the two short shafts B (24) on the left side and the sieve plate (10) is fitted with the two short shafts B (24) on the right side. The shaft (9) is fitted with the upper through hole of the electric push rod B (8) with interference fit and with the through hole on the right side of the left sieve plate (5) and the through hole on the left side of the right sieve plate (10) with clearance fit. The lower support of the electric push rod B (8) is fixed in the middle of the lower part of the frame assembly (2). The fan A (12) is fixed on the middle support platform A (21) on the rear side of the frame assembly (2). The fans B (4) are symmetrically arranged and fixed on the side support platforms (17). The fan C (6) is fixed on the middle support platform B (18). The controller assembly (1) 1) The outer right side of the frame assembly (2) is fixedly mounted, and the grain receiving component (7) is fixedly mounted at the lower end of the frame assembly (2). Multiple wires connect the controller assembly (11) to the camera (1), electric push rod A (3), electric push rod B (8), fan A (12), fan B (4) and fan C (6) respectively. During operation, the grain grains fall on the screen surface of the upper screen assembly (13). Under the drive of the electric push rod A (3), the short shaft A (22) of the upper screen assembly (13) makes a wave motion in the upper screen wave guide groove (14). Some grain grains fall from the screen holes. During the falling process, the double air outlet of the fan B (4) blows out the airflow, blowing out the impurities carried by the grain grains. The cleaned grains fall into the grain receiving component (7), and the other part does not pass through. Grain grains passing through the sieve holes of the upper sieve assembly (13) fall along the inner inclined side. During the falling process, the double blower outlets of blower A (12) blow the impurities in the grain grains out of the machine body. The grain grains fall on the left wing sieve plate (5) and the right wing sieve plate (10). The electric push rod B (8) pushes the left wing sieve plate (5) and the right wing sieve plate (10) to rotate around the shaft (9). The short shaft B (24) of the left wing sieve plate (5) and the right wing sieve plate (10) moves in the wave guide groove (19) of the lower sieve. The whole presents a mixed motion of flapping wing motion and wave motion. The grain grains fall through the sieve holes of the left wing sieve plate (5) and the right wing sieve plate (10). During the falling process, blower C (6) blows out airflow to perform air separation on the grain grains again. The cleaned grain grains fall into the grain collection part (7).

2. The dual-feed type wave flapping wing hybrid screen cleaning device according to claim 1, characterized in that: The screen surface of the upper screen assembly (13) is a right trapezoid with a base angle of 30°.

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