Cleaning device for safe storage of grains

Abstract

The invention provides a cleaning device for safe storage of grains, and belongs to the field of grain cleaning, the cleaning device comprises a cleaning machine, and the cleaning machine is fixedly connected with a cleaning frame; the feeding assembly comprises a feeding hopper fixedly connected to one side of the top of the cleaning frame, the top of the feeding hopper is fixedly connected with a connecting part, vertical grooves are formed in the front side and the rear side of the connecting part respectively, a same pushing shaft is inserted into the two vertical grooves, one end of the pushing shaft is fixedly connected with a gear, and the other end of the pushing shaft is fixedly connected with a motor. And a rack is fixedly connected to one side of the connecting part. Through cooperation of the feeding assembly and the door frame lifting assembly, intermittent feeding of grains in the feeding process can be achieved, the problem of grain particle accumulation caused by continuous feeding is solved, meanwhile, blockage of grain particles near a discharging groove is avoided through pushing, and the feeding efficiency is improved. And the feeding speed and the screening efficiency are ensured while the cleaning effect is improved.

Description

Technical Field

[0001] The invention relates to the technical field of grain cleaning, in particular to a grain cleaning device for safe storage. Background Art

[0002] Grain is not only an important strategic material related to the national economy and people's livelihood and national economic security, but also the most basic living material for the people. Food security is closely related to social harmony, political stability and sustainable economic development. The purpose of grain cleaning is, on the one hand, to improve the process effect of cleaning and processing machinery and equipment to ensure safe production, and on the other hand, to improve product purity and ensure people's health. At the same time, it also reduces transportation and storage costs and is conducive to flour storage. Grain contains hard impurities such as stones and metals, which are easy to damage the cleaning machinery during processing, affecting the process effect of the equipment and shortening the service life of the equipment. Therefore, a cleaning device is needed before the grain is safely stored.

[0003] Existing grain cleaning devices filter the grain through a vibrating screen, and then stratify the grain particles according to the different densities of the grain particles, stones and leaves, and then discharge them through different discharge ports to achieve the cleaning of impurities in the grain particles. However, when feeding the grain, such devices often adopt a continuous dumping or feeding method. This feeding method is simple and convenient, but it is easy to cause too many or too few grain particles to be fed at one time. Too many grain particles will cause the grain to pile up and affect the screening and filtering effect, while too few grain particles will lead to low screening efficiency of grain particles.

[0004] Therefore, we propose a cleaning device for safe grain storage to solve the above problems. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a grain cleaning device for safe storage to solve the problems raised in the above background technology.

[0006] The object of the present invention can be achieved by the following technical solution: comprising a cleaning machine, to which a cleaning frame is fixedly connected;

[0007] A feeding assembly, the feeding assembly includes a feeding hopper fixedly connected to one side of the top of the cleaning frame, a connecting part is fixedly connected to the top of the feeding hopper, vertical grooves are respectively opened on the front and rear sides of the connecting part, and the same pushing shaft is inserted in the two vertical grooves, one end of the pushing shaft is fixedly connected to a gear, one side of the connecting part is fixedly connected to a rack, the gear is meshed with the rack, a feeding rack is fixedly connected to the middle of the outer side of the pushing shaft, a long connecting rod is rotatably connected to the middle of the outer side of the pushing shaft, a pulling shaft is rotatably connected to the upper side between the inner walls of the front and rear sides of the connecting part, a short connecting rod is fixedly connected to the middle of the outer side of the pulling shaft, and the short connecting rod is rotatably connected to one side of the long connecting rod;

[0008] A driving assembly, the driving assembly comprising a bracket fixedly connected to the rear side of the connecting portion, a motor fixedly connected to the bracket, a dial fixedly connected to the output end of the motor, a groove wheel fixedly connected to the outer end of the pull shaft, radial grooves distributed circumferentially on the groove wheel, and a cylindrical pin fixedly connected to the dial;

[0009] The gantry lifting assembly comprises a blocking part fixedly connected to one side of the feed hopper, the front and rear upper sides of one side of the blocking part are fixedly connected to a limiting frame, a feeding chute is provided on the lower side of one side of the blocking part, a gantry plate is slidably connected to one side of the blocking part, the front and rear sides of the top of the gantry plate are fixedly connected to guide parts, the tops of the two guide parts are fixedly connected to a top plate, the front and rear sides of the top of the top plate are fixedly connected to convex rings, the front and rear sides of the top of the feed hopper are fixedly connected to side plates, a central axis is rotatably connected between the two side plates, the outer sides of both ends of the central axis are fixedly connected to guide rods, and moving grooves are provided on the left and right sides of one side of the guide rod, the two ends of the pushing shaft are respectively movably connected to the inner sides of adjacent moving grooves, a baffle lifting shaft is rotatably connected between the two convex rings, and the two ends of the baffle lifting shaft are also respectively movably connected to the inner sides of adjacent moving grooves.

[0010] As a preferred embodiment of the present invention, it also includes a material unloading adjustment component, which includes an adjustment plate slidably connected to one side of the blocking part, a thin rod is fixedly connected to the middle of one side of the adjustment plate, a gap is opened in the middle of one side of the blocking part, a short groove is opened in the middle of one side of the door frame plate, one end of the thin rod is fixedly connected to a movable ring, the movable ring is movably connected to the inner side of the short groove, one end of the movable ring is fixedly connected to a limiting disk, and one end of the thin rod is threadedly connected to a pressure cap.

[0011] As a preferred embodiment of the present invention, a groove is provided on the top of the feeding rack, and the long connecting rod is located in the groove.

[0012] As a preferred embodiment of the present invention, a cross-section of one side of the feeding rack is arc-shaped, and when the feeding rack is located at the lowest point, the arc tangent of its bottom end is parallel to the bottom inner wall plane of the feed hopper.

[0013] As a preferred embodiment of the present invention, when the feeding rack is located at the lowest point, the long connecting rod and the short connecting rod are both perpendicular to the bottom plane of the feeding hopper.

[0014] As a preferred embodiment of the present invention, an arc groove is formed around the outer side of the groove wheel, and a crescent block is fixedly connected to one side of the dial.

[0015] As a preferred embodiment of the present invention, the blocking portion, the connecting portion and the feed hopper are integrally formed, and an angle exists between the bottom plane of the feed hopper and the ground.

[0016] As a preferred embodiment of the present invention, vertical sliding blocks are fixedly connected to the front and rear sides of one side of the adjustment plate, and lifting grooves are respectively provided on the front and rear sides of one side of the blocking portion.

[0017] As a preferred embodiment of the present invention, the width of the gap is matched with the outer diameter of the thin rod, and the outer diameter of the limiting plate is larger than the outer diameter of the movable ring.

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

[0019] 1. Through the cooperation of the feeding assembly and the gantry lifting assembly, intermittent feeding of grain can be realized during the feeding process to avoid the problem of grain particle accumulation caused by continuous feeding. At the same time, the grain particles are prevented from being blocked near the feeding chute by pushing the material, which improves the cleaning effect while ensuring the feeding speed and screening efficiency.

[0020] 2. Through the set driving assembly, the feeding assembly and the gantry lifting assembly can be driven synchronously, so that they can perform intermittent motion respectively, and at the same time, the two intermittent motions can be combined into one action, with a compact structure and easy control.

[0021] 3. Through the set feeding adjustment component, the opening area of ​​the feeding chute can be controlled to meet the feeding requirements of particles of different sizes. It has a wide range of adaptability and adaptability to grain types, which improves the adaptability and flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0024] Figure 2 It is one of the three-dimensional structural schematic diagrams of another viewing angle of the present invention;

[0025] Figure 3 This is another perspective three-dimensional structural schematic diagram of the present invention;

[0026] Figure 4 It is a schematic diagram of the disassembled structure of the present invention;

[0027] Figure 5 yes Figure 1 An enlarged schematic diagram of part A is shown;

[0028] Figure 6 yes Figure 2An enlarged schematic diagram of part B is shown;

[0029] Figure 7 yes Figure 3 An enlarged schematic diagram of part C is shown;

[0030] Figure 8 yes Figure 4 An enlarged schematic diagram of part D is shown;

[0031] Fig. 9 It is a schematic diagram of a partially coordinated three-dimensional enlarged structure in the present invention.

[0032] In the figure: 1. cleaning machine; 2. cleaning frame; 3. feeding hopper; 4. connecting part; 5. vertical slot; 6. pushing shaft; 7. gear; 8. rack; 9. feeding rack; 10. long connecting rod; 11. pulling shaft; 12. short connecting rod; 13. bracket; 14. motor; 15. dial; 16. groove wheel; 17. radial groove; 18. cylindrical pin; 19. stopper; 20. limit frame; 21. feeding chute; 22. door frame plate; 23. guide part; 24. top plate; 25. convex ring; 26. side plate; 27. central axis; 28. guide rod; 29. ​​movable slot; 30. baffle lifting shaft; 31. adjusting plate; 32. thin rod; 33. gap; 34. short slot; 35. movable ring; 36. limit plate; 37. pressure cap; 38. groove; 39. arc groove; 40. crescent block. DETAILED DESCRIPTION

[0033] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figure 1-Figure 9 As shown, a grain cleaning device for safe storage includes a cleaning machine 1, to which a cleaning frame 2 is fixedly connected. The cleaning machine 1 adopts a common grain cleaning machine to classify grain and impurities by vibrating a sieve, wherein a multi-layer filter screen is arranged in the cleaning frame 2 for stratifying grain and impurities;

[0035] As an implementation method in this embodiment, Figure 2 , Figure 3 , Figure 5 , Figure 6 and Figure 7As shown, the feeding assembly includes a feeding hopper 3 fixedly connected to one side of the top of the cleaning frame 2, a connecting part 4 is fixedly connected to the top of the feeding hopper 3, vertical grooves 5 are respectively opened on the front and rear sides of the connecting part 4, and the same pushing shaft 6 is inserted in the two vertical grooves 5, one end of the pushing shaft 6 is fixedly connected to a gear 7, one side of the connecting part 4 is fixedly connected to a rack 8, the gear 7 is meshed with the rack 8, a feeding rack 9 is fixedly connected to the middle of the outer side of the pushing shaft 6, a long connecting rod 10 is rotatably connected to the middle of the outer side of the pushing shaft 6, a pulling shaft 11 is rotatably connected to the upper side between the inner walls of the front and rear sides of the connecting part 4, a short connecting rod 12 is fixedly connected to the middle of the outer side of the pulling shaft 11, and the short connecting rod 12 is rotatably connected to one side of the long connecting rod 10;

[0036] It should be noted that the feed hopper 3 is used to facilitate the pouring and temporary storage of grain used for cleaning, the connecting part 4 is used to fix the pulling shaft 11 and provide space for the movement of the pushing shaft 6, the distance between the connecting part 4 and the pulling shaft 11 should be greater than the length of the short connecting rod 12 to avoid interference between the short connecting rod 12 and the connecting part 4 during rotation, the vertical groove 5 is used to guide the pushing shaft 6, and the gear 7 can drive the pushing shaft 6 to rotate by engaging with the rack 8 when moving with the pushing shaft 6 to change the angle of the feeding rack 9, the long connecting rod 10 and the short connecting rod 12 are used to cooperate with each other to pull the pushing shaft 6 to perform reciprocating lifting and lowering motion through the rotation of the pulling shaft 11, and the whole is equivalent to a crank slider mechanism. By making the pushing shaft 6 perform reciprocating lifting and lowering motion, the feeding rack 9 can push and feed the gaps between the accumulated grain particles in the feed hopper 3, thereby avoiding the problem of excessive accumulation of grain particles on the filter screen caused by continuous feeding, thereby ensuring the cleaning effect of the grain.

[0037] As an implementation method in this embodiment, Figure 1 , Figure 2 , Figure 5 , Figure 6 and Fig. 9 As shown, the driving assembly includes a bracket 13 fixedly connected to the rear side of the connecting portion 4, a motor 14 is fixedly connected to the bracket 13, a dial 15 is fixedly connected to the output end of the motor 14, a groove wheel 16 is fixedly connected to the outer end of the pull shaft 11, radial grooves 17 are distributed circumferentially on the groove wheel 16, and a cylindrical pin 18 is fixedly connected to the dial 15;

[0038] It should be noted that the bracket 13 is used to fix the motor 14, and the dial 15 and the groove wheel 16 form a groove wheel mechanism, which can drive the pulling shaft 11 to move intermittently, so as to realize intermittent controlled feeding of the feeding rack 9. The radial groove 17 cooperates with the cylindrical pin 18. When the cylindrical pin 18 enters the radial groove 17, the dial 15 can drive the groove wheel 16 to rotate. A pair of speed regulating gears can also be added between the groove wheel mechanism and the pulling shaft 11. An additional driven shaft is provided for transition to ensure that when the groove wheel mechanism rotates once, the pulling shaft 11 rotates exactly one circle, which can just meet the opening and closing of the gantry plate 22 once during an intermittent movement to realize an intermittent unloading movement. Through the set driving assembly, the feeding assembly and the gantry lifting assembly can be synchronously driven to make them perform intermittent motion respectively, and at the same time, the two intermittent motions can be combined into one action, with a compact structure and convenient control.

[0039] As an implementation method in this embodiment, Figure 1 , Figure 3-Figure 5 and Figure 8 As shown, the gantry lifting assembly includes a stopper 19 fixedly connected to one side of the feed hopper 3, and the upper sides of the front and rear sides of one side of the stopper 19 are fixedly connected to a limiting frame 20, and a lower side of one side of the stopper 19 is provided with a feeding chute 21, and one side of the stopper 19 is slidably connected with a gantry plate 22, and the top front and rear sides of the gantry plate 22 are fixedly connected with guide parts 23, and the tops of the two guide parts 23 are fixedly connected with a top plate 24, and the top front and rear sides of the top of the top plate 24 are fixedly connected with convex rings 25, and the front and rear sides of the top of the feed hopper 3 are fixedly connected with side plates 26, and a central shaft 27 is rotatably connected between the two side plates 26, and the outer sides of both ends of the central shaft 27 are fixedly connected with guide rods 28, and moving grooves 29 are provided on the left and right sides of one side of the guide rod 28, and the two ends of the push shaft 6 are respectively movably connected to the inner sides of adjacent moving grooves 29, and a baffle lifting shaft 30 is rotatably connected between the two convex rings 25, and the two ends of the baffle lifting shaft 30 are also movably connected to the inner sides of adjacent moving grooves 29.

[0040] It should be noted that the stopper 19 is used to limit the side of the grain dumping, the limit frame 20 is used to limit and guide the sliding of the door frame plate 22 on one side thereof, the feed chute 21 is used to facilitate the grain particles to fall into the cleaning frame 2 for vibrating screening, and the height of the feed chute 21 is less than the height of the door frame plate 22, so that the door frame plate 22 can completely seal and block the feed chute 21 when it is lowered to the lowest point to avoid continuous material falling. The guide portion 23 guides the door frame plate 22 by cooperating with the limit frame 20 to make the limit frame 20 slide in the guide portion 23. The top plate 24 is convenient for connecting the guide portions 23 on both sides to form a whole. The convex ring 25 is used to fix and support the baffle lifting shaft 30. The central shaft 27 is used to provide a rotation center for the guide rod 28. The side plate 26 is used to fix and support The central axis 27 is supported, and two non-communicating moving grooves 29 are respectively provided on the guide rod 28, which are used to facilitate the movement of the push shaft 6 and the baffle lifting shaft 30 therein, respectively. By cooperating with the set guide rod 28, moving groove 29, push shaft 6 and baffle lifting shaft 30, a structure similar to a seesaw can be formed here, and the rotation center of the seesaw is the axis of the central axis 27, so that when the height of the push shaft 6 is lowered, the height of the baffle lifting shaft 30 is increased, thereby achieving opposite movement directions on both sides, and by designing the distances between the baffle lifting shaft 30 and the push shaft 6 and the central axis 27 respectively, the lifting heights of the baffle lifting shaft 30 and the push shaft 6 can be different, which is convenient for drive control through a power source, ensuring the synchronization of the structure operation, and simplifying the control method.

[0041] As an implementation method in this embodiment, Figure 3-Figure 5 , Figure 7 and Figure 8 As shown, it also includes a material unloading adjustment component, which includes an adjustment plate 31 slidably connected to one side of the blocking portion 19, a thin rod 32 is fixedly connected to the middle of one side of the adjustment plate 31, a gap 33 is opened in the middle of one side of the blocking portion 19, a short groove 34 is opened in the middle of one side of the door frame plate 22, one end of the thin rod 32 is fixedly connected to a movable ring 35, the movable ring 35 is movably connected to the inner side of the short groove 34, one end of the movable ring 35 is fixedly connected to a limiting disk 36, and one end of the thin rod 32 is threadedly connected to a pressure cap 37.

[0042] It should be noted that the adjusting plate 31 is used to move up and down to change the opening area of ​​the feeding chute 21, so as to adjust the feeding speed according to the different grain particle sizes. The thin rod 32 is used to cooperate with the pressing cap 37 to press the adjusting plate 31 against one side of the stopper 19 to fix it. The gap 33 is used to facilitate the passage of the thin rod 32. The short groove 34 is used to make the adjusting plate 31 fixed. A silicone protective pad is provided on the side of the pressing cap 37 that contacts the stopper 19 to increase the friction resistance when it contacts the stopper 19 and avoid friction. When rubbing, the surface of the blocking part 19 is worn, and the door frame plate 22 can still move in the up and down direction. At this time, the movable ring 35 will do lifting movement in the short groove 34. The limit plate 36 is used to limit the position of the movable ring 35 and the thin rod 32 in the short groove 34 to prevent them from detaching from one side. Through the set feeding adjustment component, the opening area of ​​the feeding chute 21 can be controlled to meet the feeding requirements of particles of different sizes. It has a wide range of adaptability and adaptability to the types of grains, which improves the adaptability and flexibility of the device.

[0043] In this embodiment, if Figure 2 , Figure 3 and Figure 7 As shown, a groove 38 is provided on the top of the feeding rack 9, and the long connecting rod 10 is located in the groove 38. The groove 38 is used to make room for the installation of the long connecting rod 10, thereby facilitating the installation process of the long connecting rod 10.

[0044] In this embodiment, if Figure 1 and Figure 3 As shown, a cross-section of one side of the feeding rack 9 is arc-shaped. When the feeding rack 9 is at the lowest point, the arc tangent of its bottom end is parallel to the bottom inner wall plane of the feed hopper 3. The arc shape allows the feeding rack 9 to provide an oblique force to the grain particles in the feed hopper 3 like a shovel during rotation, pushing the grain particle pile to move to the side close to the discharge chute 21, facilitating the rapid discharge of grain particles, and also preventing them from accumulating in the discharge chute 21 and causing blockage by squeezing force, thereby avoiding the accumulation of grain particles and ensuring a single rapid discharge of grain.

[0045] In this embodiment, if Figure 1 and Figure 3 As shown, when the feeding rack 9 is at the lowest point, the long connecting rod 10 and the short connecting rod 12 are both perpendicular to the bottom plane of the feed hopper 3. When the long connecting rod 10 and the short connecting rod 12 are both perpendicular to the bottom plane of the feed hopper 3 and do not overlap with each other, this is the lowest point that the feeding rack 9 can reach. This design can avoid the problem of interference caused by the feeding rack 9 continuing to lower after reaching the lowest point, thereby ensuring the reliable and stable operation of the structure.

[0046] In this embodiment, if Figure 6-Figure 9As shown, an arc groove 39 is opened around the outer side of the groove wheel 16, and a crescent block 40 is fixedly connected to one side of the dial 15. When the dial 15 rotates until the cylindrical pin 18 is separated from the radial groove 17, the crescent block 40 will contact the arc groove 39. The contact between the two limits the current angle of the groove wheel 16 to prevent it from free deflection and ensure the stability of the structure during operation.

[0047] In this embodiment, if Figure 1-Figure 8 As shown, the blocking portion 19, the connecting portion 4 and the feed hopper 3 are integrally formed, and there is an angle between the bottom plane of the feed hopper 3 and the ground. The integral formation is convenient for installation, and the angle allows the grains in the feed hopper 3 to slide down under the action of gravity, making it convenient for unloading.

[0048] In this embodiment, if Figure 3 , Figure 4 , Figure 7 and Figure 8 As shown, vertical sliders are fixedly connected to the front and rear sides of one side of the adjustment plate 31, and lifting grooves are respectively provided on the front and rear sides of one side of the stopper 19. The vertical slider and the lifting grooves cooperate to guide the movement of the adjustment plate 31 on the stopper 19, so that the movement of the adjustment plate 31 is stable.

[0049] In this embodiment, if Figure 3 , Figure 5 , Figure 7 and Figure 8 As shown, the width of the gap 33 is adapted to the outer diameter of the thin rod 32, and the outer diameter of the limiting plate 36 is larger than the outer diameter of the movable ring 35. The limited outer diameter allows the thin rod 32 to pass through the gap 33, and the limiting plate 36 cannot move from one side of the short groove 34 to the other side, so as to ensure that it is difficult to disengage after installation, thereby improving the structural stability after assembly.

[0050] When the present invention is used, the grain to be cleaned is first poured onto the feed hopper 3, the device is connected to an external power supply, and the device is controlled to work by a controller. After the motor 14 works, it drives the dial 15 to rotate. When the dial 15 rotates, when the crescent block 40 fits with the arc groove 39, the groove wheel 16 does not rotate. When the cylindrical pin 18 on the dial 15 begins to contact the radial groove 17 on the groove wheel 16, the groove wheel 16 begins to rotate. The rotation of the groove wheel 16 drives the pull shaft 11 to rotate. When the pull shaft 11 rotates, it drives the short connecting rod 12 to rotate. When the short connecting rod 12 rotates, it drives the push shaft 6 to change its height by pulling the long connecting rod 10. At the same time, the angles at the connection between the two ends of the long connecting rod 10 and the push shaft 6 and the short connecting rod 12 are changed, and the push shaft 6 is pulled by the long connecting rod 10. The two ends move vertically in the vertical groove 5. When the height is reduced, the gear 7 at one end meshes with the rack 8 during the movement to make the push shaft 6 rotate. When the push shaft 6 rotates, it drives the angle of the outer feeding rack 9 to change synchronously, so that the height of the push shaft 6 is reduced while the angle of the feeding rack 9 rotates synchronously, pushing the food to be cleaned stored in the feeding rack 9 to move to the side close to the door frame plate 22. At the same time, when the height of the push shaft 6 is reduced, its end will push the guide rod 28 to rotate around the central axis 27 by moving in the moving groove 29, so that the height of this side is reduced. When the guide rod 28 rotates, it will drive the height of the baffle lifting shaft 30 in the moving groove 29 on the opposite side to increase, and the height of the baffle lifting shaft 30 is increased by contacting it through the moving groove 29. When it is raised, the guide part 23 pulls the door frame plate 22 to move upward along the blocking part 19 so that it no longer blocks the discharge chute 21. The discharge area of ​​the discharge chute 21 is continuously increased, exposing the discharge chute 21. At this time, the grain particles in the feed hopper 3 just move to the side close to the discharge chute 21 under the thrust of the feeding frame 9, and just slide out from the opened discharge chute 21 and fall into the filter screen in the cleaning frame 2. The vibration motor on the cleaning machine 1 is operated to realize vibration screening and stratification, and the fallen grain particles are cleaned. When its height is increased, the gear 7 at one end is meshed with the rack 8 during the movement to rotate the push shaft 6. When the push shaft 6 rotates, it drives the angle of the outer feeding frame 9 to change synchronously in the opposite direction of the original one, so that the height of the push shaft 6 is increased while , the angle of the feeding rack 9 rotates synchronously, and the grain to be cleaned stored in the feeding rack 9 is no longer pushed to move. At the same time, when the height of the pushing shaft 6 increases, its end will push the guide rod 28 to rotate around the central axis 27 by moving in the moving groove 29, so that the height of this side increases. When the guide rod 28 rotates, it will drive the height of the baffle lifting shaft 30 in the moving groove 29 on the opposite side to decrease, and the height is pushed down by contacting it through the moving groove 29. When the height of the baffle lifting shaft 30 is reduced, the door frame plate 22 is pulled downward along the blocking portion 19 through the guide portion 23, so that the area of ​​the lower feeding trough 21 is continuously increased, and the unloading area of ​​the lower feeding trough 21 is continuously reduced until the lower feeding trough 21 is completely sealed. At this time, the grain particles in the feed hopper 3 cannot slide out of the lower feeding trough 21.At this time, the grain particles remaining on the filter screen can be given time to continue to vibrate. When the cylindrical pin 18 on the dial 15 no longer contacts the radial groove 17 on the groove wheel 16, and the crescent block 40 begins to fit with the arc groove 39, the groove wheel 16 does not rotate. At this time, each component structure is in a static state until the cylindrical pin 18 on the dial 15 contacts the radial groove 17 on the groove wheel 16 again, and each component structure continues to move along the original trajectory. When it is necessary to adjust the maximum opening area of ​​the discharge chute 21 according to the size of the grain particles to be cleaned, first rotate the pressure cap 37 so that one end no longer squeezes the outer wall of the stopper 19, push the pressure cap 37 to move upward, and drive the adjustment plate 31 to slide down along the stopper 19 to a suitable height through the thin rod 32 and the movable ring 35 connected by its internal thread. Then, the pressure cap 37 is rotated in the opposite direction to make the thin rod 32 re-immerse into the inner side of the pressure cap 37 until one side of the pressure cap 37 is again tightly pressed against the adjacent surface of the stopper 19.

[0051] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A grain safety storage cleaning device, characterized in that: include: A cleaning machine (1), wherein a cleaning frame (2) is fixedly connected to the cleaning machine (1); A feeding assembly, the feeding assembly comprises a feeding hopper (3) fixedly connected to one side of the top of a cleaning frame (2), the top of the feeding hopper (3) is fixedly connected to a connecting portion (4), the front and rear sides of the connecting portion (4) are respectively provided with vertical grooves (5), the two vertical grooves (5) are inserted with the same pushing shaft (6), one end of the pushing shaft (6) is fixedly connected to a gear (7), one side of the connecting portion (4) is fixedly connected to a rack (8), the gear (7) and the rack (8) are meshed, a feeding frame (9) is fixedly connected to the middle of the outer side of the pushing shaft (6), a long connecting rod (10) is rotatably connected to the middle of the outer side of the pushing shaft (6), a pulling shaft (11) is rotatably connected to the upper side between the inner walls of the front and rear sides of the connecting portion (4), a short connecting rod (12) is fixedly connected to the middle of the outer side of the pulling shaft (11), and the short connecting rod (12) is rotatably connected to one side of the long connecting rod (10); A driving assembly, the driving assembly comprising a bracket (13) fixedly connected to the rear side of the connecting portion (4), a motor (14) fixedly connected to the bracket (13), a dial (15) fixedly connected to the output end of the motor (14), a groove wheel (16) fixedly connected to the outer end of the pulling shaft (11), radial grooves (17) distributed in a circumferential manner on the groove wheel (16), and a cylindrical pin (18) fixedly connected to the dial (15); A gantry lifting assembly, the gantry lifting assembly comprising a stopper (19) fixedly connected to one side of a feed hopper (3), a limit frame (20) fixedly connected to the upper sides of both front and rear sides of one side of the stopper (19), a material discharge chute (21) opened on the lower side of one side of the stopper (19), a gantry plate (22) slidably connected to one side of the stopper (19), a guide portion (23) fixedly connected to the front and rear sides of the top of the gantry plate (22), a top plate (24) fixedly connected to the tops of the two guide portions (23), a convex ring (25) fixedly connected to the front and rear sides of the top of the top plate (24), The top front and rear sides of the feed hopper (3) are fixedly connected with side plates (26), a central shaft (27) is rotatably connected between the two side plates (26), the outer sides of both ends of the central shaft (27) are fixedly connected with guide rods (28), and movable grooves (29) are provided on the left and right sides of one side of the guide rod (28), the two ends of the push shaft (6) are respectively movably connected to the inner sides of adjacent movable grooves (29), a baffle lifting shaft (30) is rotatably connected between the two convex rings (25), and the two ends of the baffle lifting shaft (30) are also respectively movably connected to the inner sides of adjacent movable grooves (29).

2. A grain safety storage cleaning device according to claim 1, characterized in that: The invention also comprises a material unloading adjustment component, wherein the material unloading adjustment component comprises an adjustment plate (31) slidably connected to one side of the stopper (19), a thin rod (32) is fixedly connected to the middle of one side of the adjustment plate (31), a gap (33) is provided in the middle of one side of the stopper (19), a short groove (34) is provided in the middle of one side of the door frame plate (22), one end of the thin rod (32) is fixedly connected to a movable ring (35), the movable ring (35) is movably connected to the inner side of the short groove (34), one end of the movable ring (35) is fixedly connected to a limiting disk (36), and one end of the thin rod (32) is threadedly connected to a pressure cap (37).

3. A grain safety storage cleaning device according to claim 1, characterized in that: A groove (38) is provided on the top of the feeding rack (9), and the long connecting rod (10) is located in the groove (38).

4. A grain safety storage cleaning device according to claim 3, characterized in that: The cross section of one side of the feeding rack (9) is arc-shaped. When the feeding rack (9) is located at the lowest point, the arc tangent line at its bottom end is parallel to the bottom inner wall plane of the feeding hopper (3).

5. A grain safety storage cleaning device according to claim 4, characterized in that: When the feeding rack (9) is at the lowest point, the long connecting rod (10) and the short connecting rod (12) are both perpendicular to the bottom plane of the feeding hopper (3).

6. A grain safety storage cleaning device according to claim 1, characterized in that: An arc groove (39) is formed around the outer side of the groove wheel (16), and a crescent block (40) is fixedly connected to one side of the dial (15).

7. A grain safety storage cleaning device according to claim 1, characterized in that: The blocking portion (19), the connecting portion (4) and the feed hopper (3) are integrally formed, and an angle is formed between the bottom plane of the feed hopper (3) and the ground.

8. A grain safety storage cleaning device according to claim 2, characterized in that: The front and rear sides of one side of the adjustment plate (31) are respectively fixedly connected with vertical sliding blocks, and the front and rear sides of one side of the blocking portion (19) are respectively provided with lifting grooves.

9. A grain safety storage cleaning device according to claim 8, characterized in that: The width of the gap (33) is matched to the outer diameter of the thin rod (32), and the outer diameter of the limiting plate (36) is larger than the outer diameter of the movable ring (35).

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