Corncob classificator

Abstract

The invention relates to the field of corncob fine selection, in particular to a corncob fine selection machine which solves the problems that an existing corncob screening machine cannot comprehensively and effectively screen impurities such as small straw, small dead leaves, small dried rhizomes and silt, the impurity content of sorted corncobs is still high, and follow-up processing and utilization are not convenient. According to the technical scheme, the high-efficiency energy-saving and environment-friendly screening machine comprises a machine box, a screening box, an upper screening plate, a lower screening plate, a feeding port, a discharging port, a draught fan, a corrugated square pipe, a slag discharging box, a filtering grating, a telescopic part, a sliding way frame, a sliding frame, a top frame, a driving motor, a rotating cylinder, a pusher dog, a shaft rod, a limiting assembly and a sliding plate frame, and a pulling assembly is arranged on the sliding plate frame and used for pulling the sliding frame to slide in the sliding way frame; a linkage assembly is arranged on the rotary drum and used for driving the sliding plate frame to slide. The device can perform double selection on corncob materials, and is high in cob yield, stable in operation and high in efficiency.

Description

Technical Field

[0001] This invention relates to the field of corn cob selection, and in particular to a corn cob selection machine. Background Technology

[0002] Corn cob is the core remaining after the corn cob is threshed; its scientific name is corn cob. A complete corn cob is approximately 15-25 cm long, 3-5 cm in diameter, and weighs about 30-50 grams. Fresh corn cobs are pale yellow, turning yellowish-brown or brown after drying. The outer layer is made of woody fibers, the middle layer is a spongy tissue with numerous tiny pores, giving it excellent water absorption and adsorption properties. Corn cobs contain 54.5% sugar, 2.2% crude protein, 0.4% crude fat, 29.7% crude fiber, and 1.2% minerals, as well as abundant cellulose, hemicellulose, and lignin.

[0003] The main uses of corn cobs include: after being crushed, they can replace rice bran as feed for poultry and livestock such as chickens, ducks, pigs, cattle, and sheep. After fermentation, they can be mixed into animal feed in a certain proportion to promote animal development, and their crude fiber can increase satiety. Corn cobs can be made into biomass pellet fuel with a calorific value of 4200 kcal / kg, which is close to 70% of standard coal, making it an environmentally friendly energy source widely used in northern regions. Corn cobs can be used for polishing and drying eyeglasses, buttons, electronic components, etc. They can also be used in papermaking, bio-sugar production, xylitol and furfural extraction, and as a filler in glues or pastes, rubber additives, and packaging materials. Corn cobs are an indispensable raw material for cultivating edible fungi; after crushing and fermentation, they can provide nutrients for fungi growth. In addition, after composting, corn cobs can be used as organic fertilizer to improve soil structure. Furthermore, corn cobs can also be used as a traditional Chinese medicine ingredient.

[0004] Therefore, the careful selection of corn cobs is particularly important, and is actually a crucial prerequisite for utilizing corn cobs for various purposes. Corn cob sorting machines are commonly used to screen corn cobs. However, existing corn cob sorting machines can generally only remove larger roots, stems, leaves, soil, gravel, and impurities from the corn cobs. Even after sorting, the corn cobs still contain a significant amount of small stalks, small withered leaves, small dried roots, and sand, which is detrimental to their subsequent processing and use. Therefore, a corn cob sorting machine is proposed. Summary of the Invention

[0005] To overcome the shortcomings of existing technologies, this invention proposes a corn cob sorting machine, which solves the problem that existing corn cob screening machines cannot comprehensively and effectively screen small straws, small withered leaves, small dried roots and stems, as well as impurities such as mud and sand, resulting in a high impurity content in the corn cobs after sorting, which is not convenient for subsequent processing and utilization.

[0006] To solve the above-mentioned technical problems, the basic technical solution proposed by this invention is as follows:

[0007] A corn cob sorting machine includes a casing, a screen box inside the casing, an upper screen plate and a lower screen plate inside the screen box, a feed inlet above the upper screen plate and a discharge outlet between the lower screen plate and the upper screen plate, a fan installed on the inner wall of the casing on one side between the feed inlet and the discharge outlet, a corrugated square tube connected through the upper and lower screen plates on the inner wall of the screen box away from the fan, and a slag discharge box fitted through the corrugated square tube, a filter grid fitted on the inner wall of the slag discharge box, and telescopic components installed on both sides of the slag discharge box, with the output end of the telescopic components extending into the screen box and connected to a slide frame, sliding frames slidably connected on both sides of the slide frame, and multiple equally spaced top frames connected to the slide frames, with the interval between adjacent top frames being twice the mesh spacing of the filter grid;

[0008] Both inner walls of the casing are equipped with drive motors, and a rotating drum is installed between the two drive motors. Multiple claws that actuate the material on the upper screen plate are rotatably mounted on the outer side of the rotating drum via a spring hinge array. Shafts are symmetrically slidably arranged on both sides of the rotating drum along the axial direction. A limit component is provided between the shaft and the claws. The limit component is used to limit the claws so that the claws can actuate the material on the side of the rotating drum near the feed inlet without flipping to the other side. Slide frames are slidably installed on both sides of the slag discharge box. Pulling components are provided on the slide frames to pull the slide frame to slide within the slide frame. A linkage component is provided on the rotating drum to drive the slide frame to slide.

[0009] Preferably, mounting platforms are installed on the inner walls of both sides of the casing, and the screen box is connected to the mounting platforms by spring buffer seats. Vibration motors are also symmetrically installed on both sides of the screen box. A dust collection box is installed on the upper inner wall of the casing, and an air duct is connected through the upper end of the dust collection box. A cyclone separator is connected to the other end of the air duct, and the cyclone separator is installed on one side of the casing.

[0010] Preferably, a collection box is installed on the side of the machine housing away from the feed inlet and discharge outlet. The ends of the upper and lower screen plates away from the feed inlet and discharge outlet are arranged close to each other, with the upper screen plate inclined towards the collection box and the lower screen plate inclined towards the discharge outlet. The collection box is located at the end of the upper screen plate and collects the corn stalks, roots, stems, and leaves left on the upper screen plate. The lower end of the slag discharge box and the collection box both have openings that communicate with the bottom of the machine housing. The lower screen plate is used for secondary screening of the corn cobs that fall off the upper screen plate to remove small impurities, roots, stems, and leaves.

[0011] Preferably, the limiting assembly includes a first slide opening, a second slide opening, a sliding plate, a roller, and a limiting plate. The first slide opening is arrayed on the rotating cylinder and extends through its inner and outer sides, and the first slide opening is located on one side of the pawl. The second slide opening is arrayed on the rotating cylinder and extends through its inner and outer sides, and is located between adjacent pawls on the same axial plane of the rotating cylinder. The sliding plate is slidably fitted inside the second slide opening and extends to the inner and outer sides of the rotating cylinder. The roller is installed on the outer end of the sliding plate on the rotating cylinder and is rotatably connected to the upper screen plate. The limiting plate is slidably fitted inside the first slide opening and extends to the inner and outer sides of the rotating cylinder. The limiting plate abuts against the pawl at the outer end of the rotating cylinder and limits its movement. The sliding plates on both sides of the rotating cylinder are symmetrically rotatably connected to the two side shafts with rotating plate one, and the limiting plates on both sides of the rotating cylinder are symmetrically rotatably connected to the two side shafts with rotating plate two.

[0012] Preferably, the inner wall of the rotating drum is connected to an array of multiple sets of guide rods, and the limiting plate is connected to a side plate at one end inside the rotating drum, with the side plate slidably sleeved on the outside of the guide rod on its respective side.

[0013] Preferably, the pulling assembly includes a slide bar frame three, a sleeve, and a guide rod two. The slide bar frame three is connected to one side of the two slide frames that are close to each other, and the two slide bar frames three that are close to each other extend through the screen box to the space between the upper and lower screen plates inside the screen box. The sleeve is connected to the upper end of the two slide frames that are far apart from each other. The guide rod two is connected to the extension end of the slide bar frame three inside the screen box. The sleeve is slidably fitted on the outside of the guide rod two on each side.

[0014] Preferably, both sides of the slag discharge box are connected to a slide rod frame two, and the slide plate frame is slidably sleeved on the outside of the slide rod frame two on each side. A spring sleeved on the outside of the slide rod frame two is connected between the slide plate frame and the slag discharge box. Multiple grid openings are equally spaced on the filter grid. The top frame slides through the corresponding grid opening. A fixed frame is centrally connected to the slide frame between the two slide frames. The fixed frame also slides through the corresponding grid opening.

[0015] Preferably, the output end of the telescopic component near the screen box is connected to a slide rod frame one, and the slide rod frame one extends into the screen box, is located between the upper screen plate and the lower screen plate, and is connected to the slide rail frame. The screen box has two round holes one on each side of the end away from the fan. The slide rod frame one passes through the round hole one into the screen box, and the inner wall of the round hole one is fitted with a sealing sleeve that slides on the outside of the slide rod frame one. The screen box has two round holes two symmetrically opened on both sides. The slide rod frame three passes through the round hole two into the screen box, and the inner wall of the round hole two is fitted with a sealing sleeve that slides on the outside of the slide rod frame three.

[0016] Preferably, the linkage assembly includes a shaft cylinder, a slide groove, an outer ring, a connecting plate, a vertical frame, an inner inclined block, and an outer inclined block. The shaft cylinder is symmetrically connected to both ends of the rotating cylinder. The slide groove array is opened on the shaft cylinder and extends through its inner and outer sides. The shaft rods on both sides are slidably sleeved in the shaft cylinder on their respective sides at their far ends. The outer side of the shaft rod slides through the slide groove and extends to the outer side of the shaft cylinder. An inner ring is slidably sleeved on the outer side of the shaft cylinder at the outer extension end. The outer ring is rotatably sleeved on the outer side of the inner ring. The connecting plate is connected to one side of the outer ring. The vertical frame is slidably connected to the slag discharge box. A rotating plate is rotatably connected between the upper end of the vertical frame and the connecting plate. The inner inclined block is connected to the slide plate frame. The outer inclined block is connected to the vertical frame. The outer inclined block and the inner inclined block slide and abut against each other on one side.

[0017] Preferably, the slag discharge box is connected to a sliding rod frame four, the vertical frame is slidably sleeved on the outside of the sliding rod frame four, the inner inclined block and the outer inclined block are respectively connected to the sliding plate frame and the vertical frame on one side close to each other, and the inner inclined block is above the outer inclined block, and the two are close to each other on one side as a cooperating inclined surface.

[0018] The beneficial effects of this invention are:

[0019] 1. The technical solution of this invention uses a traditional scraper conveyor belt to transport corn cob material from the feed inlet to the upper screen plate of the screen box inside the machine. The screen box is driven by a vibrating motor to vibrate and screen the corn cob material, thereby screening the corn cob and some small fragments to the lower screen plate. Waste is collected through a collection box. As the corn cob and some small fragments fall from the upper screen plate to the lower screen plate, the blower blows light small straw, small withered leaves, small dried roots and mud to the slag discharge box on the other side of the screen box. The filter grid ensures that the small broken corn cob is not blown away, improving the corn cob yield. When the corn cob and some impurities fall to the lower screen plate after being swept by the blower, the vibration of the lower screen plate can effectively remove the impurities, while the corn cob is retained and finally discharged through the discharge port. This effectively improves the screening accuracy of the corn cob and can obtain a cleaner corn cob material, which is convenient for subsequent reuse.

[0020] 2. The technical solution of this invention uses a drive motor to rotate the shaft and the rotating drum, which in turn drives the claws connected to the surface of the rotating drum via spring hinges to rotate. This allows the claws to agitate the corn cob material as it passes underneath, causing the upper and lower layers of corn cob material to be turned over. This prevents the upper layer of corn cob material from being unable to be effectively vibrated and screened. Simultaneously, when the claws rotate to their lowest point and move towards the feed inlet, the sliding plate and rollers will gradually contact the upper screen plate and slide into the rotating drum. The rotating plate then causes the two side shafts to move away from each other. The shaft can pull the limiting plate into the rotating drum via the second rotating plate, thereby gradually removing the limit on the claw. Under the elastic force of the spring hinge, when the claw rotates to the horizontal position towards the feed inlet, the claw will rotate downwards without any limit, causing the corn cob material that may be moved on it to fall down. This ensures that while moving the corn cob material, it will not be directly moved onto the upper screen plate on the side of the rotating drum away from the feed inlet, ensuring that the corn cob material has sufficient contact time on the upper screen plate, thus improving screening efficiency and accuracy.

[0021] 3. The technical solution of this invention, by moving the two side shafts away from each other, can also drive the inner and outer rings and connecting plates on both sides to move away from each other, and pull the rotating plate three to rotate, causing the vertical frame to move upward, thereby causing the outer inclined block to slide against the inner inclined block, so that the inner inclined blocks on both sides and the slide frame can move closer to each other, thereby driving the slide rod frame three on both sides and the guide rod two to move closer to each other, so as to push the slide frame on both sides and the top frame to move closer to each other. The distance between them is the spacing between adjacent grille openings. Then, the telescopic component is controlled to drive the slide rod frame one and the slide frame, and the drive motor is controlled to run intermittently. This allows the top frame of the sliding frame to slide alternately within the grid opening, thus clearing small straws, small dead leaves, and small dried roots that cannot be directly passed through the grid opening and discharging them into the slag discharge box, preventing grid opening blockage. This reduces the number of top frames required, allowing more grid openings to be exposed, improving the efficiency of the grid openings in discharging small straws, small dead leaves, and small dried roots. At the same time, a small number of top frames can alternately clear the various grid openings, preventing blockage and improving the accuracy and efficiency of corn cob screening. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of the present invention;

[0023] Figure 2 This is a sectional view of the side structure of the present invention;

[0024] Figure 3 This is a schematic diagram of the internal structure of the chassis of the present invention;

[0025] Figure 4 This is a schematic diagram of the relevant structures on the screen box and slag discharge box of the present invention;

[0026] Figure 5 This is a schematic diagram of the relevant structures inside the screen box and slag discharge box of the present invention;

[0027] Figure 6 This is a schematic diagram of the relevant structures on the rotating drum of the present invention;

[0028] Figure 7 This is a cross-sectional view of the relevant structures on the rotating drum of the present invention;

[0029] Figure 8 This is a side sectional view of the relevant structure on the rotating drum of the present invention;

[0030] Figure 9 This is a schematic diagram of the relevant structures inside the rotating drum of the present invention;

[0031] Figure 10 This is a schematic diagram of the related structures of the linkage component and the pulling component of the present invention;

[0032] Figure 11 This is a schematic diagram of the relevant structure of the pull component of the present invention;

[0033] Figure 12 This is a schematic diagram of the structure of the sieve box shell of the present invention.

[0034] Explanation of reference numerals in the attached figures:

[0035] 1. Chassis; 2. Mounting platform; 3. Screen box; 4. Spring buffer seat; 5. Vibrating motor; 6. Upper screen plate; 7. Lower screen plate; 8. Collection box; 9. Slag discharge box; 10. Corrugated square tube; 11. Feed inlet; 12. Discharge outlet; 13. Fan; 14. Dust collection box; 15. Filter grid; 16. Grid opening; 17. Telescopic component; 18. Slide rod frame one; 19. Slide rail frame; 20. Slide frame; 21. Top frame; 22. Fixed frame; 23. Drive motor; 24. Shaft cylinder; 25. Rotary drum; 26. Slide rail groove; 27. Claw; 28. Slide rail opening 1; 29. ​​Slide opening 2; 30. Slide plate; 31. Roller; 32. Limiting plate; 33. Guide rod 1; 34. Side plate; 35. Shaft; 36. Rotating plate 1; 37. Rotating plate 2; 38. Inner ring; 39. Outer ring; 40. Connecting plate; 41. Slide rod frame 2; 42. Spring; 43. Slide plate frame; 44. Slide rod frame 3; 45. Sleeve; 46. Guide rod 2; 47. Slide rod frame 4; 48. Vertical frame; 49. Inner inclined block; 50. Outer inclined block; 51. Rotating plate 3; 52. Air duct; 53. Cyclone separator; 54. Round hole 1; 55. Round hole 2. Detailed Implementation

[0036] The following will be combined with the appendix Figure 1 To be continued Figure 12The technical solutions in the embodiments of the present invention have been clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0037] Example 1:

[0038] like Figures 1-12 As shown, this invention discloses a corn cob sorting machine, including a casing 1, a screen box 3 inside the casing 1, an upper screen plate 6 and a lower screen plate 7 inside the screen box 3, a feed inlet 11 above the upper screen plate 6 in the casing 1, and a discharge outlet 12 between the lower screen plate 7 and the upper screen plate 6 in the casing 1, a fan 13 installed on the inner wall of the casing 1 on one side between the feed inlet 11 and the discharge outlet 12, and the inner wall of the screen box 3 on the side away from the fan 13 is connected through the upper screen plate 6 and the lower screen plate 7. A corrugated square tube 10 is connected to the screen box 3, and a slag discharge box 9 is installed through the corrugated square tube 10. A filter grid 15 is installed on the inner wall of the slag discharge box 9. Telescopic components 17 are installed on both sides of the slag discharge box 9. The output end of the telescopic component 17 extends into the screen box 3 and is connected to a slide frame 19. Slide frames 20 are slidably connected on both sides of the slide frame 19. Multiple top frames 21 are connected to the slide frame 20 at equal intervals. The interval between adjacent top frames 21 is twice the mesh spacing of the filter grid 15.

[0039] Both sides of the inner wall of the casing 1 are equipped with drive motors 23, and a rotating drum 25 is installed between the two drive motors 23. Multiple claws 27 that move the material on the upper screen plate 6 are rotatably installed on the outer side of the rotating drum 25 through a spring hinge array. The inner sides of the rotating drum 25 are symmetrically arranged with shafts 35 along the axial direction. A limit component is provided between the shafts 35 and the claws 27. The limit component is used to limit the claws 27 so that the claws 27 can move the material on the side of the rotating drum 25 near the feed inlet 11 without flipping to the other side. The slag discharge box 9 is slidably installed with a slide frame 43 on both sides. A pulling component is provided on the slide frame 43. The pulling component is used to pull the slide frame 20 to slide in the slide frame 19. A linkage component is provided on the rotating drum 25. The linkage component is used to drive the slide frame 43 to slide.

[0040] The slag discharge box 9 is an indirect structure installed inside the machine housing 1. It is connected to the screen box 3 through the corrugated square tube 10, which can ensure that when the screen box 3 is driven to vibrate by the vibrating motor 5, the corrugated square tube 10 will buffer it so as not to affect the slag discharge box 9, and at the same time ensure the sealing.

[0041] Mounting platforms 2 are installed on the inner walls of both sides of the casing 1, and the screen box 3 is connected to the mounting platform 2 by a spring buffer seat 4. Vibration motors 5 are also symmetrically installed on both sides of the screen box 3. A dust collection box 14 is installed on the upper inner wall of the casing 1, and an air duct 52 is connected through the upper end of the dust collection box 14. The other end of the air duct 52 is connected to a cyclone separator 53, and the cyclone separator 53 is installed on one side of the casing 1.

[0042] This setup allows the screen box 3 to be softly connected to the mounting platform 2 inside the machine box 1 via the spring buffer seat 4 when the vibrating motor 5 is running and driving the screen box 3 to vibrate, thus preventing the machine box 1 from vibrating and effectively reducing noise. The dust collection box 14 is connected to the cyclone separator 53 via the air duct 52, which can quickly adsorb and separate the dust generated by the corn cob material on the upper screen plate 6 entering the screen box 3, as well as the dust generated by the claws 27 moving the corn cob material. This reduces the dust and impurity content in the machine box 1 and the screen box 3, including some lightweight small straw, small withered leaves, and small dried roots, which also improves the screening quality.

[0043] A collection box 8 is installed on the side of the machine casing 1 away from the feed inlet 11 and the discharge outlet 12. The ends of the upper screen plate 6 and the lower screen plate 7 away from the feed inlet 11 and the discharge outlet 12 are set close to each other, forming an upper screen plate 6 inclined towards the collection box 8 and a lower screen plate 7 inclined towards the discharge outlet 12. The collection box 8 is located at the end of the upper screen plate 6 and collects the corn stalks, roots, stems and leaves left on the upper screen plate 6. The lower end of the slag discharge box 9 and the collection box 8 are both opened to the bottom of the machine casing 1. The lower screen plate 7 is used to perform secondary screening of the corn cobs that fall off the upper screen plate 6 in the initial screening to remove small impurities, roots, stems and leaves.

[0044] The inner side of the feed inlet 11 extends upward to the upper screen plate 6 to facilitate the effective transfer of the corn cob material conveyed by it to the upper screen plate 6, while the discharge outlet 12 extends downward to the lower screen plate 7 to facilitate the guidance, reception and discharge of the corn cobs screened out on the lower screen plate 7.

[0045] In practical use, a traditional scraper conveyor belt transports corn cob material from the feed inlet 11 to the upper screen plate 6 of the screen box 3 inside the machine housing 1. The vibrating motor 5 drives the screen box 3 to vibrate and screen the corn cob material, separating the corn cob and some small fragments onto the lower screen plate 7. Waste is collected through the collection box 8. As the corn cob and some small fragments fall from the upper screen plate 6 to the lower screen plate 7, the blower 13 blows air through them, removing lightweight small straw, small withered leaves, and small dried roots. The mud and sand are blown into the slag box 9 on the other side of the screen box 3, and the small broken corn cobs are not blown away by the filter grid 15, which improves the corn cob screening yield. When the corn cobs and some impurities after being blown by the blower 13 fall onto the lower screen plate 7, the impurities are effectively removed by the vibration screening of the lower screen plate 7, while the corn cobs are retained and finally discharged through the discharge port 12. This effectively improves the screening accuracy of the corn cobs and can obtain relatively clean corn cob material, which is convenient for subsequent reuse.

[0046] Example 2:

[0047] like Figures 1-12 As shown, the present invention discloses a corn cob sorting machine. Compared with Embodiment 1, this embodiment discloses the structure of the limiting component.

[0048] The limiting assembly includes slide opening 28, slide opening 29, slide plate 30, roller 31, and limiting plate 32. Slide opening 28 is arrayed on the rotating cylinder 25 and extends through its inner and outer sides, with slide opening 28 located on one side of the pawl 27. Slide opening 29 is arrayed on the rotating cylinder 25 and extends through its inner and outer sides, located between adjacent pawls 27 on the same axial plane of the rotating cylinder 25. Slide plate 30 is slidably fitted within slide opening 29 and extends to the inner and outer sides of the rotating cylinder 25. Wheel 31 is installed on the outer end of the slide plate 30 on the rotating drum 25 and is rotatably connected to the upper screen plate 6. The limiting plate 32 is slidably sleeved in the slide opening 28 and extends to the inner and outer sides of the rotating drum 25. The limiting plate 32 abuts against the claw 27 at the outer end of the rotating drum 25 and is limited. The slide plates 30 on both sides of the rotating drum 25 are symmetrically rotatably connected to the two shafts 35 with rotating plates 36. The limiting plates 32 on both sides of the rotating drum 25 are symmetrically rotatably connected to the two shafts 35 with rotating plates 37.

[0049] When corn cob material enters the screen box 3 through the feed inlet 11 and is placed on the upper screen plate 6, the vibration of the screen box 3 gradually vibrates the material towards the collection box 8. This allows the upper screen plate 6 to screen the corn cobs, lightweight small straws, small withered leaves, small dried roots, and mud onto the lower screen plate 7. When some corn cob material passes below the rotating drum 25, the drive motor 23 rotates the drum 25, which in turn rotates the claw 27. The claw 27 rotates while adhering to, but not in contact with, the surface of the upper screen plate 6, thus agitating the corn cob material on the upper screen plate 6. This agitation adjusts the upper and lower layers of corn cob material, ensuring that the upper layer can be moved to the lower layer, thus guaranteeing comprehensive screening and improving screening accuracy. Simultaneously, when the claw 27 passes the bottom of the rotating drum 25 and rotates towards the feed inlet 11, the slide plate 30 and roller 31... It will gradually come into contact with the surface of the upper screen plate 6, and slide into the inner side of the rotating drum 25 through the second slide opening 29. It will also push the two shafts 35 to slide away from each other through the first rotating plate 36. The two shafts 35 sliding away from each other can also pull the second rotating plate 37 to rotate, and drive the limiting plate 32 to slide into the rotating drum 25 through the first slide opening 28. This will gradually remove the limiting plate 32 from contact with the claw 27, so that the claw 27 can rotate under the elastic force of the spring hinge. When the claw 27 rotates near the feed inlet 11 and is horizontal, it is no longer arranged radially along the rotating drum 25, but is in a downward state, so as to drop the corn cob material that may be pushed up on it. This ensures that while the corn cob material is being pushed, it will not be directly pushed onto the upper screen plate 6 on the side of the rotating drum 25 away from the feed inlet 11 by the claw 27. This ensures that the corn cob material has enough contact time on the upper screen plate 6, improving screening efficiency and accuracy.

[0050] Multiple sets of guide rods 33 are arrayed on the inner wall of the rotating drum 25. A side plate 34 is connected to one end of the limiting plate 32 inside the rotating drum 25, and the side plate 34 is slidably sleeved on the outside of the guide rod 33 on its respective side. The slidable sleeve of the side plate 34 connected to the limiting plate 32 inside the rotating drum 25 on the outside of the guide rod 33 can ensure the stability of the limiting plate 32 sliding in the slide opening 28, and indirectly improve the stability of the sliding of the slide plate 30. The roller 31 installed on the slide plate 30 can form rolling friction between it and the upper screen plate 6, which improves durability.

[0051] Example 3:

[0052] like Figures 1-12 As shown, the present invention discloses a corn cob sorting machine. Compared with Embodiment 2, this embodiment discloses the structure of the pulling component.

[0053] The pulling assembly includes a slide bar frame 3 44, a sleeve 45, and a guide rod 2 46. The slide bar frame 3 44 is connected to the two slide plates 43 on one side close to each other, and the two slide bar frames 3 44 on the other side extend through the screen box 3 to the space between the upper screen plate 6 and the lower screen plate 7 inside the screen box 3. The sleeve 45 is connected to the upper end of the two slide frames 20 on the side away from each other. The guide rod 2 46 is connected to the extension end of the slide bar frame 3 44 inside the screen box 3. The sleeve 45 is slidably sleeved on the outside of the guide rod 2 46 on each side.

[0054] When the two sliding plate frames 43 approach each other, they can drive the two sliding rod frames 44 to approach each other, and drive the two guide rods 46 inside the screen box 3 to approach each other. Then, the sliding frames 20 on the two sides, which are slidably sleeved on the guide rods 46 through the sleeve 45, will slide closer to each other on the slide frame 19, thereby driving the top frame 21 to slide. This allows each top frame 21 to correspond to two different meshes on the filter grid 15, thereby reducing the number of top frames 21 and ensuring that more meshes are exposed on the filter grid 15. This improves the efficiency of the filter grid 15 in passing small straw, small dead leaves, small dry roots and stems, and mud and sand, and reduces the occurrence of blockage.

[0055] Both sides of the slag discharge box 9 are connected to slide rod frames 41. Slide frame 43 is slidably sleeved on the outside of slide rod frames 41 on each side. A spring 42 sleeved on the outside of slide rod frames 41 is connected between slide frame 43 and slag discharge box 9. Multiple grid openings 16 are equally spaced on the filter grid 15. The top frame 21 slides through the corresponding grid opening 16. A fixed frame 22 is centrally connected to the slide frame 19 between the two slide frames 20. The fixed frame 22 also slides through the corresponding grid opening 16. The setting of the spring 42 allows the two slide frames 43 to be in a state of mutual separation without external force.

[0056] The control telescopic component 17 drives the slide rod frame 18 and the slide rail frame 19, and controls the drive motor 23 to run intermittently. This allows the top frame 21 on the slide frame 20 to slide alternately within two adjacent grid openings 16 on the filter grid 15. This allows small straws, small dead leaves, and small dried roots that cannot be directly filtered through the grid openings 16 to be cleared into the slag discharge box 9 and discharged, preventing the grid openings 16 from clogging. This reduces the number of top frames 21, allowing more grid openings 16 on the filter grid 15 to be exposed, improving the discharge efficiency of small straws, small dead leaves, and small dried roots. At the same time, a small number of top frames 21 can alternately clear each grid opening 16, preventing clogging and improving the accuracy and efficiency of corn cob screening. The fixed frame 22 in the middle slides stably and continuously through the middle grid opening 16 to ensure that the grid opening 16 in the middle of the windward side can be cleared by the fixed frame 22.

[0057] The output end of the telescopic component 17 near the screen box 3 is connected to a slide rod frame 18, which extends into the screen box 3 and is located between the upper screen plate 6 and the lower screen plate 7, and is connected to the slide frame 19. The screen box 3 has two round holes 54 on both sides at the end away from the fan 13. The slide rod frame 18 passes through the round holes 54 into the screen box 3, and the inner wall of the round holes 54 is fitted with a sealing sleeve that slides on the outside of the slide rod frame 18. The two sides of the screen box 3 have two round holes 55 symmetrically opened, and the slide rod frame 44 passes through the round holes 55 into the screen box 3. The inner wall of the round holes 55 is fitted with a sealing sleeve that slides on the outside of the slide rod frame 44.

[0058] The diameter of the first round hole 54 is larger than the diameter of the first slide bar frame 18, and the diameter of the second round hole 55 is also larger than the diameter of the third slide bar frame 44. This can prevent the screen box 3 from being affected by the slide bar frame 18, the third slide bar frame 44 and other structures on the fixed slag discharge box 9 when it vibrates. The sealing sleeves fitted inside the first round hole 54 and the second round hole 55 can also slide and fit with the slide bar frame 18 and the third slide bar frame 44 respectively to ensure sealing. This prevents the leakage of waste residue during purging and also ensures that the slide bar frame 18 and the third slide bar frame 44 can slide.

[0059] Example 4:

[0060] like Figures 1-12 As shown, the present invention discloses a corn cob sorting machine. Compared with Embodiment 3, this embodiment discloses the structure of the linkage component.

[0061] The linkage assembly includes a shaft cylinder 24, a slide groove 26, an outer ring 39, a connecting plate 40, a vertical frame 48, an inner inclined block 49, and an outer inclined block 50. The shaft cylinder 24 is symmetrically connected to both ends of the rotating cylinder 25. The slide groove 26 is arrayed on the shaft cylinder 24 and extends through its inner and outer sides. The shaft rods 35 on both sides are slidably sleeved in the shaft cylinder 24 on their respective sides at their far ends. The outer sides of the shaft rods 35 slide through the slide groove 26 and extend to the outer side of the shaft cylinder 24, and extend beyond the outer side. The extension end is fitted with an inner ring 38 that is slidably sleeved on the outside of the shaft cylinder 24, and an outer ring 39 that is rotatably sleeved on the outside of the inner ring 38. A connecting plate 40 is connected to one side of the outer ring 39. A vertical frame 48 is slidably connected to the slag discharge box 9, and a rotating plate 3 51 is rotatably connected between the upper end of the vertical frame 48 and the connecting plate 40. An inner inclined block 49 is connected to a sliding plate frame 43, and an outer inclined block 50 is connected to the vertical frame 48. The outer inclined block 50 and the inner inclined block 49 slide close to each other on one side and abut against each other.

[0062] When the two side shafts 35 are driven away from each other, the inner rings 38 and outer rings 39 on both sides and the connecting plate 40 are driven away from each other, thereby pulling the rotating plate 3 51 to rotate. This causes the vertical frame 48 to be driven upward, and the outer inclined block 50 connected to the vertical frame 48 will slide against the inner inclined block 49 connected to the skateboard frame 43. This pushes the two skateboard frames 43 closer together to adjust the position of the sliding frame 20 and the top frame 21. Then, the telescopic component 17 is controlled to extend and retract, and the drive motor 23 is controlled to start and stop intermittently. This allows the top frame 21 to slide within the two adjacent grid openings 16 to clear the grid openings 16.

[0063] The slag discharge box 9 is connected to a sliding rod frame 47. The vertical frame 48 is slidably fitted on the outside of the sliding rod frame 47. The inner inclined block 49 and the outer inclined block 50 are respectively connected to the sliding plate frame 43 and the vertical frame 48 on one side close to each other. The inner inclined block 49 is above the outer inclined block 50. The two sides close to each other form a cooperating inclined surface, so that the two vertical frames 48 can be more stable when they are moved up and down by sliding with the sliding rod frame 47.

[0064] Based on the disclosure and teachings of the foregoing specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on the present invention.

Claims

1. A corn cob sorting machine, comprising a casing (1), a screen box (3) disposed inside the casing (1), an upper screen plate (6) and a lower screen plate (7) disposed inside the screen box (3), a feed inlet (11) disposed above the upper screen plate (6) in the casing (1), and a discharge outlet (12) disposed between the lower screen plate (7) and the upper screen plate (6), characterized in that, A fan (13) is installed on the inner wall of the casing (1) between the feed inlet (11) and the discharge outlet (12). A corrugated square tube (10) is connected through the inner wall of the screen box (3) away from the fan (13) between the upper screen plate (6) and the lower screen plate (7). A slag discharge box (9) is fitted through the corrugated square tube (10). A filter grid (15) is fitted on the inner wall of the slag discharge box (9). Telescopic parts (17) are installed on both sides of the slag discharge box (9). The output end of the telescopic parts (17) extends into the screen box (3) and is connected to a slide frame (19). A slide frame (20) is slidably connected on both sides of the slide frame (19). Multiple equally spaced top frames (21) are connected on the slide frame (20). The interval between adjacent top frames (21) is twice the mesh spacing of the filter grid (15). Both sides of the inner wall of the casing (1) are equipped with drive motors (23), and a rotating drum (25) is installed between the drive motors (23) on both sides. Multiple claws (27) for moving the material on the upper screen plate (6) are rotatably mounted on the outer side of the rotating drum (25) through a spring hinge array. Shafts (35) are symmetrically slidably arranged on both sides of the inner side of the rotating drum (25) along the axial direction. A limit component is provided between the shaft (35) and the claws (27). The limit component is used to control the material on the upper screen plate (6). The claw (27) is limited so that the claw (27) can move the material on the side of the rotating drum (25) near the feed inlet (11) without flipping it to the other side. The slag discharge box (9) is slidably installed with a slide frame (43) on both sides. The slide frame (43) is provided with a pulling component. The pulling component is used to pull the slide frame (20) to slide in the slide frame (19). The rotating drum (25) is provided with a linkage component. The linkage component is used to drive the slide frame (43) to slide.

2. A corn cob sorting machine according to claim 1, characterized in that, The inner walls of both sides of the casing (1) are equipped with mounting platforms (2), and the screen box (3) is connected to the mounting platform (2) by a spring buffer seat (4). Vibration motors (5) are also symmetrically installed on both sides of the screen box (3). A dust collection box (14) is installed on the upper inner wall of the casing (1), and a duct (52) is connected through the upper end of the dust collection box (14). The other end of the duct (52) is connected to a cyclone separator (53), and the cyclone separator (53) is installed on one side of the casing (1).

3. A corn cob sorting machine according to claim 1, characterized in that, A collection box (8) is installed on the side of the machine box (1) away from the feed inlet (11) and the discharge outlet (12). The upper screen plate (6) and the lower screen plate (7) are positioned close to each other at the ends away from the feed inlet (11) and the discharge outlet (12), forming an upper screen plate (6) inclined towards the collection box (8) and a lower screen plate (7) inclined towards the discharge outlet (12). The collection box (8) is located at the end of the upper screen plate (6) and collects the corn stalks, roots, stems and leaves left on the upper screen plate (6). The lower end of the slag discharge box (9) and the collection box (8) are both provided with openings that penetrate the bottom of the machine box (1). The lower screen plate (7) is used to perform secondary screening of the corn cobs that fall off the upper screen plate (6) to remove small impurities, roots, stems and leaves.

4. A corn cob sorting machine according to claim 1, characterized in that, The limiting assembly includes a first slide opening (28), a second slide opening (29), a sliding plate (30), a roller (31), and a limiting plate (32). The first slide opening (28) is arrayed on the rotating cylinder (25) and extends through its inner and outer sides, and the first slide opening (28) is located on one side of the pawl (27). The second slide opening (29) is arrayed on the rotating cylinder (25) and extends through its inner and outer sides, and is located between adjacent pawls (27) on the same axial plane of the rotating cylinder (25). The sliding plate (30) is slidably fitted inside the second slide opening (29) and extends to the inner and outer sides of the rotating cylinder (25). The roller... (31) Installed on the outer end of the slide plate (30) on the rotating drum (25) and rolledly connected with the upper screen plate (6). The limiting plate (32) is slidably sleeved in the slide opening (28) and extends to the inner and outer sides of the rotating drum (25). The limiting plate (32) abuts against the claw (27) at the outer end of the rotating drum (25). The slide plates (30) on both sides of the rotating drum (25) are symmetrically connected to the two shafts (35) with rotating plate one (36). The limiting plates (32) on both sides of the rotating drum (25) are symmetrically connected to the two shafts (35) with rotating plate two (37).

5. A corn cob sorting machine according to claim 4, characterized in that, The inner wall of the rotating cylinder (25) is connected to an array of multiple sets of guide rods (33). The limiting plate (32) is connected to a side plate (34) at one end inside the rotating cylinder (25), and the side plate (34) is slidably sleeved on the outside of the guide rod (33) on one side.

6. A corn cob sorting machine according to claim 1, characterized in that, The pulling assembly includes a slide bar frame three (44), a sleeve (45), and a guide rod two (46). The slide bar frame three (44) is connected to the two side slide frames (43) close to each other on one side, and the two side slide bar frames three (44) close to each other at one end extends through the screen box (3) to the space between the upper screen plate (6) and the lower screen plate (7) inside the screen box (3). The sleeve (45) is connected to the upper end of the two side slide frames (20) away from each other on one side. The guide rod two (46) is connected to the extension end of the slide bar frame three (44) inside the screen box (3). The sleeve (45) is slidably sleeved on the outside of the guide rod two (46) on each side.

7. A corn cob sorting machine according to claim 6, characterized in that, Both sides of the slag discharge box (9) are connected to slide rod frames (41). The slide frame (43) is slidably sleeved on the outside of the slide rod frame (41) on each side. A spring (42) sleeved on the outside of the slide rod frame (41) is connected between the slide frame (43) and the slag discharge box (9). Multiple grid openings (16) are equally spaced on the filter grid (15). The top frame (21) slides through the corresponding grid opening (16). A fixed frame (22) is centrally connected on the slide frame (19) between the two slide frames (20). The fixed frame (22) also slides through the corresponding grid opening (16).

8. A corn cob sorting machine according to claim 7, characterized in that, The output end of the telescopic component (17) near the screen box (3) is connected to a slide rod frame (18), and the slide rod frame (18) extends into the screen box (3) and is located between the upper screen plate (6) and the lower screen plate (7), and is connected to the slide frame (19). The screen box (3) has two round holes (54) on both sides at the end away from the fan (13). The slide rod frame (18) passes through the round hole (54) into the screen box (3), and the inner wall of the round hole (54) is fitted with a sealing sleeve that slides on the outside of the slide rod frame (18). The two sides of the screen box (3) are symmetrically provided with round holes (55). The slide rod frame (44) passes through the round hole (55) into the screen box (3), and the inner wall of the round hole (55) is fitted with a sealing sleeve that slides on the outside of the slide rod frame (44).

9. A corn cob sorting machine according to claim 1, characterized in that, The linkage assembly includes a shaft cylinder (24), a slide groove (26), an outer ring (39), a connecting plate (40), a vertical frame (48), an inner inclined block (49), and an outer inclined block (50). The shaft cylinder (24) is symmetrically connected to both ends of the rotating cylinder (25). The slide groove (26) is arrayed on the shaft cylinder (24) and extends through its inner and outer sides. The shaft rods (35) on both sides are slidably sleeved in the shaft cylinder (24) on their respective sides at their far ends. The outer side of the shaft rod (35) slides through the slide groove (26) and extends to the outside of the shaft cylinder (24), and is sleeved at the outer extension end. An inner ring (38) is slidably sleeved on the outside of the shaft cylinder (24), and an outer ring (39) is rotatably sleeved on the outside of the inner ring (38). A connecting plate (40) is connected to one side of the outer ring (39). A vertical frame (48) is slidably connected to the slag discharge box (9), and a rotating plate (51) is rotatably connected between the upper end of the vertical frame (48) and the connecting plate (40). An inner inclined block (49) is connected to a sliding plate frame (43), and an outer inclined block (50) is connected to the vertical frame (48). The outer inclined block (50) and the inner inclined block (49) slide close to each other on one side and abut against each other.

10. A corn cob sorting machine according to claim 9, characterized in that, The slag discharge box (9) is connected to a sliding rod frame four (47). The vertical frame (48) is slidably sleeved on the outside of the sliding rod frame four (47). The inner inclined block (49) and the outer inclined block (50) are respectively connected to the sliding plate frame (43) and the vertical frame (48) on one side close to each other. The inner inclined block (49) is above the outer inclined block (50). The two are close to each other on one side as a cooperating inclined surface.

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