High-quality sorting and re-threshing type threshing machine with adjustable threshing gap

Abstract

A threshing gap-adjustable high-precision sorting and re-threshing type corn thresher is characterized in that the threshing gap-adjustable high-precision sorting and re-threshing type corn thresher comprises a rack, a threshing mechanism, a screening mechanism and a sorting and re-threshing mechanism, the threshing mechanism is mounted on the upper middle portion of the rack, the screening mechanism is mounted on the left side of the lower middle portion of the rack, and the sorting and re-threshing mechanism is mounted on the right side of the rack; in conclusion, according to the threshing mechanism, the camera is used for observing the material condition, the diameter self-adjusting threshing roller is matched with the rigid-flexible combined threshing component, the threshing strength is uniform, and the non-threshing rate is reduced; the screening mechanism observes the blanking condition through a camera, and an eccentric distance self-adjusting disc controls the reciprocating motion distance of rake teeth, so that materials are uniformly distributed on a screen plate, and the sorting quality is improved; according to the sorting and re-threshing mechanism, a camera is used for observing the threshing condition and opening and closing movement of a baffle, materials with the high non-threshing rate are collected and then conveyed through an auger, the camera is used for observing material distribution between threshing rollers, and an air pressure system controls the conveying position of a belt, so that the materials are evenly distributed between the rollers.

Description

Technical Field

[0001] The invention belongs to agricultural machinery, and mainly relates to a high-quality sorting and multiple-thresher thresher with adjustable threshing gap. Background Art

[0002] The existing thresher feeds concentratedly during threshing, which affects the threshing quality. The centralized sorting efficiency of the falling materials after threshing is low. The re-threshing feeding inlet is fixed and the feed is concentrated, resulting in a high rate of unthreshed crops and serious grain damage. Summary of the invention

[0003] The purpose of the present invention is to address the above-mentioned technical problems and develop a high-quality sorting and re-threshing thresher with adjustable threshing gap. The threshing efficiency is improved while the un-threshing rate is reduced by using double threshing drums with self-adjusting diameters arranged opposite to each other, telescopic rake teeth with adjustable movement distance and tooth spacing, baffles that can be adjusted to open and close based on the situation of the screen tail material after sorting, augers, and belts with controllable feeding positions. The purpose of the present invention is achieved as follows: a high-quality sorting and re-threshing thresher with adjustable threshing gap, characterized in that the device includes a frame, a threshing mechanism, a screening mechanism, and a sorting and re-threshing mechanism, the threshing mechanism is installed in the upper middle part of the frame, the screening mechanism is installed on the left side of the lower middle part, and the sorting and re-threshing mechanism is installed on the right side.

[0004] The threshing mechanism includes a feeding hopper, a threshing drum and a first camera. The feeding hopper is fixedly mounted on the upper end of the frame. The threshing mechanism is provided with two threshing drums arranged in parallel and opposite directions. The threshing drum includes a reducing shaft, a gear set, a first controller, a reducing rod and a rigid-flexible combined threshing component. The reducing shaft is fixedly mounted on the frame. The gear set includes a first gear, a second gear, a third gear and a fourth gear. The second gear and the fourth gear are rotatably mounted on both ends of the reducing shaft respectively. The first gear and the third gear are respectively engaged with the second gear and the fourth gear. The output end of the first motor is fixedly mounted on the gear shaft of the first gear. The first battery is connected to the first motor. The output end of the second motor is fixedly mounted on the gear shaft of the third gear. The third battery is connected to the second motor. The first motor and the second motor are both fixedly mounted on the frame. The first controller can receive signals wirelessly. The first controller is fixedly mounted on the first motor. One end of the first controller is connected to the first battery, and the other end is connected to the first motor. The reducing rod includes a ball, a reducing rod and a diameter-changing ball, a ball is fixedly mounted on one end of the diameter-changing rod, a spherical groove is opened at equal angles on the circumference of the base circle edge of the second gear, and the ball can be rolled and installed in the spherical groove, a diameter-changing ball is fixedly mounted on the other end of the diameter-changing rod, a cylindrical through hole with the same number as the spherical groove is opened at equal angles on the circumference of the base circle edge of the fourth gear, and the other end of the diameter-changing rod is inserted in the cylindrical through hole corresponding to the spherical groove, the rigid-flexible combined threshing component includes threshing teeth and a threshing blade group, the threshing teeth have a triangular ring structure, the threshing teeth are fixedly mounted on the diameter-changing rod at intervals along the circumference of the second gear, the threshing teeth are arranged at equal intervals along the axial direction of the diameter-changing rod, the threshing teeth are fixedly mounted perpendicular to the diameter-changing rod, the threshing blade group is formed by a circumferential array of threshing blades, and is hollow, and the threshing blade group is equidistantly distributed around the annular contour of the threshing teeth, the first camera is fixedly mounted on the frame above the screen plate, the second battery is connected to the first camera, and the first camera can transmit the material conditions after threshing to the first controller, so that the diameters of the two threshing drums can be automatically adjusted according to the material conditions.

[0005] The screening mechanism includes a sieve plate, a side plate, a rake tooth pitch changing device and a first camera. The sieve plate is fixedly mounted in the middle and lower part of the frame and is tilted, wherein the upper part is provided with equidistantly arranged sieve holes, and the two side plates are respectively fixedly mounted on the frames on both sides of the sieve plate. The screening mechanism is provided with four rake tooth pitch changing devices symmetrically distributed about the center of the middle and upper part of the sieve plate, and each rake tooth pitch changing device is arranged parallel to the length direction of the sieve plate, and the rake tooth pitch changing device includes a pitch changing device and a rake tooth device, and the pitch changing components include a positioning block, a rotating disc, a slide groove, a slide rod, a screw, a second controller, a pitch changing disc, a connecting rod, a positioning rod and a slide rail, the positioning block is fixedly mounted on the side plate, and a through hole is opened in the center thereof, and the central axis of the rotating disc can be rotatably mounted in the through hole, and the fourth motor is fixedly mounted on the positioning block. The output end is fixedly mounted on the central axis of the rotating disk, the sixth battery is connected to the fourth motor, the slide groove is radially fixedly mounted on the rotating disk, the shape of the slide groove slot is an isosceles trapezoid, and the top of the slide groove is closed with a hole, the slide rod can be slidably installed in the slide groove, the outer contour shape of the slide rod is adapted to the shape of the slide groove slot, and a cylindrical through hole is opened at the center of the slide rod, an internal thread is provided at the center of the cylindrical through hole, and the screw rod is rotatably connected to the slide rod through the external thread thereon, the third motor is fixedly mounted on the side of the rotating disk, the output end of the third motor is fixedly mounted on the screw rod, the fifth battery is connected to the third motor, the second controller can receive signals wirelessly, the second controller is fixedly mounted on the third motor, one end of the second controller is connected to the fifth battery, and the other end is connected to the third motor, and the lower end face of the variable pitch disk is fixedly mounted at the center line of the end face of the slide rod A circular groove is opened on the upper end surface of the variable pitch disc, a small cylinder is fixedly installed in the middle of the connecting rod, and the small cylinder is inserted in the circular groove, the positioning rod is fixedly installed on the frame, the slide rail is fixedly installed on the end surface of the positioning rod, one end of the connecting rod can be slidably installed in the groove of the slide rail, and the connecting rod passes through the side plate, the rake tooth component includes a hollow shell, a second positioning shell, a telescopic shaft, a fourth controller, a fixed rod, telescopic rake teeth, fixed rake teeth and a groove block, the hollow shell is fixedly installed on the other end of the connecting rod, and a long hole is opened at the center of the bottom of the hollow shell, the second positioning shell is fixedly installed at the bottom of the hollow shell, the thirteenth motor is fixedly installed in the second positioning shell, the output end of the thirteenth motor is fixedly installed with one end of the telescopic shaft, the other end of the telescopic shaft is fixedly installed with the middle of the fixed rod, and the telescopic shaft is inserted in the long hole, The fifteenth battery is connected to the thirteenth motor, the fourth controller can receive signals wirelessly, the fourth controller is fixedly mounted on the thirteenth motor, one end of the fourth controller is connected to the fifteenth battery, and the other end is connected to the thirteenth motor, the top ends of the fixed rake teeth are fixedly mounted on the front end surface of the hollow shell at equal intervals, the top ends of the telescopic rake teeth are fixedly mounted on the fixed rod at equal intervals, and each telescopic rake tooth is located between two adjacent fixed rake teeth, the telescopic rake teeth can be slidably mounted on the front end surface of the hollow shell, two groove blocks are fixedly mounted on the bottom surface of the hollow shell, and the two groove blocks are located on both sides of the telescopic shaft, the groove blocks are provided with grooves that are adapted to the contour and position of the telescopic rake teeth, and the telescopic rake teeth can be slidably mounted in the grooves, so that the reciprocating movement distance and spacing of the rake teeth can be automatically adjusted according to the material falling conditions.

[0006] The sorting and re-stripping mechanism includes a sorting device, a third camera, a re-stripping device and a second camera. The sorting device includes a sieve plate, a diverter block, a baffle, a hinge, a pull rod, a discharge plate, a third controller and a first baffle. The bottom of the sieve plate is provided with four equally spaced rectangular openings. The four baffles are hinged in the four rectangular openings through hinges. Three diverter blocks are equally spaced at the tail of the sieve plate, and each diverter block is located between two adjacent baffles. The pull rod is fixed at the center of the side of the lower end surface of the baffle, and a cylindrical through hole is provided at the center of the pull rod. , an internal thread is provided on the cylindrical through hole, an external thread is provided on the fifth motor shaft, the pull rod is rotatably connected to the fifth motor shaft through a thread, the discharge plate is fixedly mounted parallel to the lower side of the sieve plate, the fifth motor is fixedly mounted on the discharge plate, the seventh battery is connected to the fifth motor, the third controller can receive signals wirelessly, the third controller is fixedly mounted on the fifth motor, one end of the third controller is connected to the seventh battery, and the other end is connected to the fifth motor, the first baffle plate is fixedly mounted on both sides of the tail of the sieve plate, two third cameras are fixedly mounted on the inner side of the top plate, and the ninth battery is connected to the third camera;The re-stripping device includes a second material-blocking shell, an auger, a first positioning shell and a belt device. An isosceles trapezoidal plate is fixedly installed at the bottom end of the sieve plate, a rectangular plate is fixedly installed at the bottom end of the isosceles trapezoidal plate, the first positioning shell is fixedly installed on the bottom surface of the tail of the discharge plate, the sixth motor is fixedly installed in the first positioning shell, the output end of the sixth motor is fixedly installed with the auger shaft, the eighth battery is connected to the sixth motor, the auger is inclined, the auger shaft can be rotatably installed on the discharge plate and the rectangular plate, a second material-blocking shell is arranged outside the auger, and the bottom and top ends of the contact surfaces of the second material-blocking shell and the first material-blocking plate are respectively provided with a re-stripping entrance and a discharge port, the belt device includes a third material-blocking shell, a frame, a pneumatic system, and a movable shaft assembly. , fixed shaft group and belt, the third material stop shell has a U-shaped notch fixed on both sides of the top of the second material stop shell, two air pressure systems are distributed on the two bottom plates of the third material stop shell, the air pressure system consists of a seventh motor, a fifth controller, an air pump and a cylinder, the seventh motor is fixed on the bottom plate of the third material stop shell, the sixteenth battery is connected to the seventh motor, the fifth controller can receive signals wirelessly, the fifth controller is fixed on the seventh motor, one end of the fifth controller is connected to the sixteenth battery, and the other end is connected to the seventh motor, the output end of the seventh motor is fixed to the input end of the air pump, the output end of the air pump is fixed to one end of the cylinder, and the other end of the cylinder is fixed to the bottom rod of the frame, the frame is placed on the frame, and the mobile The moving shaft group includes a first moving shaft and a second moving shaft, the first moving shaft is rotatably mounted on the upper left side of the frame end surface, the eighth motor is fixedly mounted on the frame, the output end of the eighth motor is fixedly mounted on the first moving shaft, the tenth battery is connected to the eighth motor, the second moving shaft is rotatably mounted on the lower right side of the frame end surface, the eleventh motor is fixedly mounted on the frame, the output end of the eleventh motor is fixedly mounted on the second moving shaft, the thirteenth battery is connected to the eleventh motor, the fixed shaft group includes a first fixed shaft, a second fixed shaft and a third fixed shaft, the second fixed shaft has the same height as the first moving shaft, the third fixed shaft is arranged parallel to the second fixed shaft and is located below the second moving shaft, the first fixed shaft and the third fixed shaft are connected The first fixed shaft, the second fixed shaft and the third fixed shaft are all rotatably mounted on the third material blocking shell, the belt passes through the second fixed shaft, the first movable shaft, the second movable shaft, the first fixed shaft and the third fixed shaft in sequence, the output ends of the ninth motor, the tenth motor and the twelfth motor are respectively fixed to the first fixed shaft, the second fixed shaft and the third fixed shaft, the eleventh battery is connected to the ninth motor, the twelfth battery is connected to the tenth motor, the fourteenth battery is connected to the twelfth motor, the second camera is fixed on the upper frame between the two threshing drums, and the fourth battery is connected to the second camera. At this point, the automatic sorting and feeding of the materials to be re-threshed can be realized according to the actual threshing conditions of the materials. ;

[0007] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention mainly comprises a threshing mechanism, a screening mechanism and a sorting and re-threshing mechanism; the threshing mechanism observes the material situation by a camera, and the self-adjusting diameter threshing drum cooperates with the rigid-flexible combined threshing components to make the threshing intensity uniform and reduce the incomplete threshing rate; the screening mechanism observes the material falling situation by a camera, and the self-adjusting eccentricity disc controls the reciprocating motion distance of the rake teeth to make the material evenly distributed on the screen plate, thereby improving the sorting quality; the sorting and re-threshing mechanism observes the threshing situation by a camera, and the baffle opens and closes to collect the material with a high incomplete threshing rate, and then uses an auger to transport it, the camera observes the material distribution between the threshing drums, and the air pressure system controls the belt conveying position to make the material evenly distributed between the drums. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0009] Figure 1 Axonometric view of a high-quality sorting and re-thresher with adjustable threshing gap

[0010] Figure 2 This is the axonometric view of the threshing drum (with a partial enlarged view)

[0011] Figure 3 This is an axonometric view of a partial sorting and re-stripping device (with a partial enlarged view)

[0012] Figure 4 This is a schematic diagram of the belt device (with parts diagram)

[0013] Figure 5 This is the axonometric view of the pitch change device of the rake teeth (with a partial enlarged view)

[0014] Figure 6 This is an axonometric view of some rake tooth components

[0015] Description of part numbers in the figure:

[0016] 1. Feed hopper 2. Frame 3. Feed port 4. First battery 5. First controller 6. First motor 7. First camera 8. Second battery 9. Threshing teeth 10. Threshing blade 11. First gear 12. Second gear 13. Ball 14. Variable diameter rod 15. Variable diameter ball 16. Screen plate 17. Screen hole 18. Third gear 19. Fourth gear 20. Second motor 21. Third battery 22. Variable diameter shaft 23. Second camera 24. Fourth battery 25. Fixed Positioning rod 26, slide rail 27, connecting rod 28, variable pitch disc 29, slide 30, fifth battery 31, second controller 32, rotating disc 33, third motor 34, positioning block 35, fourth motor 36, sixth battery 37, fixed rake teeth 38, telescopic rake teeth 39, hollow shell 40, third controller 41, seventh battery 42, fifth motor 43, pull rod 44, baffle 45, eighth battery 46, sixth motor 47, first positioning shell 48 , discharge plate 49, diverter block 50, first material stop shell 51, re-release entrance 52, third camera 53, ninth battery 54, auger 55, second material stop shell 56, seventh motor 57, belt 58, air pump 59, cylinder 60, eighth motor 61, tenth battery 62, eleventh battery 63, ninth motor 64, third material stop shell 65, discharge port 66, first fixed shaft 67, second fixed shaft 68, tenth motor 69, twelfth battery 70 , the thirteenth battery 71, the eleventh motor 72, the third fixed shaft 73, the fourteenth battery 74, the twelfth motor 75, the slide bar 76, the screw 77, the groove block 78, the hinge 79, the fixed rod 80, the telescopic shaft 81, the thirteenth motor 82, the fourth controller 83, the fifteenth battery 84, the long hole 85, the second positioning shell 86, the first moving shaft 87, the frame 88, the second moving shaft 89, the sixteenth battery 90, the fifth controller 91, the side plate DETAILED DESCRIPTION

[0017] The following is a detailed description of the implementation scheme of the present invention in conjunction with the accompanying drawings. A high-quality sorting and re-thresher with adjustable threshing gap is characterized in that the device comprises a frame 2, a threshing mechanism, a screening mechanism, and a sorting and re-thresher mechanism. The threshing mechanism is installed in the upper middle part of the frame 2, the screening mechanism is installed on the left side of the lower middle part, and the sorting and re-thresher mechanism is installed on the right side.

[0018] The threshing mechanism includes a feeding hopper 1, a threshing drum and a first camera 7. The feeding hopper 1 is fixedly mounted on the upper end of the frame 2. The threshing mechanism is provided with two threshing drums arranged in parallel and opposite to each other. The threshing drum includes a variable diameter shaft 22, a gear set, a first controller 5, a variable diameter rod and a rigid-flexible combined threshing component. The variable diameter shaft 22 is fixedly mounted on the frame 2. The gear set includes a first gear 11, a second gear 12, a third gear 18 and a fourth gear 19. The second gear 12 and the fourth gear 19 are rotatably mounted at both ends of the variable diameter shaft 22. The first gear 11 and the third gear 18 are respectively mounted on the first gear 11 and the third gear 18. 8 are respectively meshed with the second gear 12 and the fourth gear 19, the output end of the first motor 6 is fixedly mounted on the gear shaft of the first gear 11, the first battery 4 is connected to the first motor 6, the output end of the second motor 20 is fixedly mounted on the gear shaft of the third gear 18, the third battery 21 is connected to the second motor 20, the first motor 6 and the second motor 20 are both fixedly mounted on the frame 2, the first controller 5 can receive signals wirelessly, the first controller 5 is fixedly mounted on the first motor 6, one end of the first controller 5 is connected to the first battery 4, and the other end is connected to the first motor 6, the variable diameter rod includes a roller The first gear 12 is provided with a ball 13, a reducing rod 14 and a reducing ball 15, one end of the reducing rod 14 is fixed with a ball 13, the second gear 12 base circle edge is provided with spherical grooves at equal angles in the circumferential direction, and the ball 13 can be rolled and installed in the spherical grooves, the other end of the reducing rod 14 is fixed with a reducing ball 15, the fourth gear 19 base circle edge is provided with cylindrical through holes with the same number as the spherical grooves at equal angles in the circumferential direction, and the other end of the reducing rod 14 is inserted into the cylindrical through holes corresponding to the spherical grooves, the rigid-flexible combined threshing component includes a threshing tooth 9 and a threshing blade group, the threshing tooth 9 has a triangular ring structure, and the threshing The threshing teeth 9 are fixed on the reducing rod 14 at intervals along the circumference of the second gear 12. The threshing teeth 9 are arranged axially equidistantly on the reducing rod 14. The threshing teeth 9 are fixed perpendicular to the reducing rod 14. The threshing blade group is composed of a circular array of threshing blades 10 and is hollow. The threshing blade group is equidistantly distributed around the annular contour of the threshing teeth 9. The first camera 7 is fixed on the frame 2 above the screen plate 16. The second battery 8 is connected to the first camera 7. The first camera 7 can transmit the material conditions after threshing to the first controller 5. At this point, the diameters of the two threshing drums can be automatically adjusted according to the material conditions.

[0019] The screening mechanism includes a sieve plate 16, a side plate 91, a rake tooth pitch changing device and a first camera 7. The sieve plate 16 is fixedly mounted in the lower middle part of the frame 2 and is tilted, wherein the upper part is provided with equidistantly arranged sieve holes 17, and the two side plates 91 are respectively fixedly mounted on the frame 2 on both sides of the sieve plate 16. The screening mechanism is provided with four rake tooth pitch changing devices symmetrically distributed about the center of the upper middle part of the sieve plate 16, and each rake tooth pitch changing device is arranged parallel to the length direction of the sieve plate 16. The rake tooth pitch changing device includes a pitch changing device and a rake tooth device. The pitch changing components include a positioning block 34, a rotating disc 32, a slide 29, a slide rod 75, a screw 76, a second controller 31, a pitch changing disc 28, a connecting rod 27, a positioning rod 25 and a slide rail 26. The positioning block 34 is fixedly mounted on the side plate 91, and its A through hole is opened in the center, and the central axis of the rotating disk 32 can be rotatably installed in the through hole. The fourth motor 35 is fixedly mounted on the positioning block 34, and the output end of the fourth motor 35 is fixedly mounted on the central axis of the rotating disk 32. The sixth battery 36 is connected to the fourth motor 35. The slide 29 is radially fixed to the rotating disk 32. The shape of the notch of the slide 29 is an isosceles trapezoid, and the top of the slide 29 is closed with a hole. The slide rod 75 can be slidably installed in the slide 29. The outer contour shape of the slide rod 75 is adapted to the shape of the notch of the slide 29, and a cylindrical through hole is opened at the center of the slide rod 75. The center of the cylindrical through hole is provided with an internal thread. The screw 76 is rotatably connected to the slide rod 75 through the external thread thereon. The third motor 33 is fixedly mounted on the side of the rotating disk 32, and the output end of the third motor 33 is connected to the screw 76. The fifth battery 30 is connected to the third motor 33, the second controller 31 can receive signals wirelessly, the second controller 31 is fixed on the third motor 33, one end of the second controller 31 is connected to the fifth battery 30, and the other end is connected to the third motor 33. The lower end face of the variable pitch disc 28 is fixed on the center line of the end face of the slide bar 75, and a circular groove is opened on the upper end face of the variable pitch disc 28. A small cylinder is fixed in the middle of the connecting rod 27, and the small cylinder is inserted in the circular groove. The positioning rod 25 is fixed on the frame 2, and the slide rail 26 is fixed on the end face of the positioning rod 25. One end of the connecting rod 27 can be slidably installed in the groove of the slide rail 26, and the connecting rod 27 passes through the side plate 91. The rake tooth component includes a hollow shell 39, a second positioning shell 85, a telescopic shaft 80, and a fourth controller 82, fixed rod 79, telescopic rake teeth 38, fixed rake teeth 37 and groove block 77, the hollow shell 39 is fixedly mounted on the other end of the connecting rod 27, and a long hole 84 is opened at the center of the bottom of the hollow shell 39, the second positioning shell 85 is fixedly mounted on the bottom of the hollow shell 39, the thirteenth motor 81 is fixedly mounted in the second positioning shell 85, the output end of the thirteenth motor 81 is fixedly mounted to one end of the telescopic shaft 80, the other end of the telescopic shaft 80 is fixedly mounted to the middle of the fixed rod 79, and the telescopic shaft 80 is inserted into the long hole 84, the fifteenth battery 83 is connected to the thirteenth motor 81, the fourth controller 82 can receive signals wirelessly, the fourth controller 82 is fixedly mounted on the thirteenth motor 81, one end of the fourth controller 82 is connected to the fifteenth battery 83, and the other end is connected to the thirteenth motor 81,The tops of the fixed rake teeth 37 are fixedly mounted on the front end surface of the hollow shell 39 at equal intervals, and the tops of the telescopic rake teeth 38 are fixedly mounted on the fixed rod 79 at equal intervals, and each telescopic rake tooth 38 is located between two adjacent fixed rake teeth 37. The telescopic rake teeth 38 can be slidably mounted on the front end surface of the hollow shell 39. Two groove blocks 77 are fixedly mounted on the bottom surface of the hollow shell 39, and the two groove blocks 77 are located on both sides of the telescopic shaft 80. The groove blocks 77 are provided with grooves adapted to the contour and position of the telescopic rake teeth 38. The telescopic rake teeth 38 can be slidably mounted in the grooves. At this point, the reciprocating movement distance and spacing of the rake teeth can be automatically adjusted according to the material falling situation.

[0020] The sorting and re-detaching mechanism includes a sorting device, a third camera 52, a re-detaching device and a second camera 23. The sorting device includes a sieve plate 16, a diverter block 49, a baffle 44, a hinge 78, a pull rod 43, a discharge plate 48, a third controller 40 and a first baffle plate 50. The bottom of the sieve plate 16 is provided with four equally spaced rectangular openings, and the four baffles 44 are hinged in the four rectangular openings through hinges 78. Three diverter blocks 49 are equally spaced at the tail of the sieve plate 16, and each diverter block 49 is located between two adjacent baffles 44. The pull rod 43 is fixed at the center of the side of the lower end face of the baffle 44. A cylindrical through hole is provided at the center of the pull rod 43, and an internal thread is provided on the cylindrical through hole. The rotating shaft of the fifth motor 42 is provided with an external thread. The pull rod 43 is connected to the first motor 42 through a thread. The five motors 42 are rotatably connected with the rotating shaft, the discharging plate 48 is fixedly mounted parallel to the bottom of the sieve plate 16, the fifth motor 42 is fixedly mounted on the discharging plate 48, the seventh battery 41 is connected to the fifth motor 42, the third controller 40 can receive signals wirelessly, the third controller 40 is fixedly mounted on the fifth motor 42, one end of the third controller 40 is connected to the seventh battery 41, and the other end is connected to the fifth motor 42, the first baffle plate 50 is fixedly mounted on both sides of the tail of the sieve plate 16, and two third cameras 52 are fixedly mounted on the inner side of the top plate, and the ninth battery 53 is connected to the third camera 52; the re-stripping device includes a second baffle shell 55, a screw dragon 54, a first positioning shell 47 and a belt device, the bottom end of the sieve plate 16 is fixedly mounted with an isosceles trapezoidal plate, the bottom end of the isosceles trapezoidal plate is fixedly mounted with a rectangular plate, and the first positioning shell 47 is fixedly mounted. The sixth motor 46 is fixedly mounted on the bottom surface of the tail of the discharge plate 48, the sixth motor 46 is fixedly mounted in the first positioning shell 47, the output end of the sixth motor 46 is fixedly mounted on the auger shaft, the eighth battery 45 is connected to the sixth motor 46, the auger 54 is tilted, and the auger shaft can be rotatably mounted on the discharge plate 48 and the rectangular plate. The auger 54 is provided with a second stopper shell 55, and the bottom and top ends of the contact surfaces of the second stopper shell 55 and the first stopper plate 50 are respectively provided with a re-release entrance 51 and a discharge port 65. The belt device includes a third stopper shell 64, a frame 87, a pneumatic system, a movable shaft group, a fixed shaft group and a belt 57. The third stopper shell 64 has a U-shaped notch fixedly mounted on both sides of the top of the second stopper shell 55. The two pneumatic systems are distributed on the two bottom plates of the third stopper shell 64. The pneumatic system is composed of the seventh motor 5 6. The fifth controller 90, the air pump 58 and the air cylinder 59 are composed, the seventh motor 56 is fixedly mounted on the bottom plate of the third material stop shell 64, the sixteenth battery 89 is connected to the seventh motor 56, the fifth controller 90 can receive signals wirelessly, the fifth controller 90 is fixedly mounted on the seventh motor 56, one end of the fifth controller 90 is connected to the sixteenth battery 89, and the other end is connected to the seventh motor 56, the output end of the seventh motor 56 is fixedly mounted to the input end of the air pump 58, the output end of the air pump 58 is fixedly mounted to one end of the air cylinder 59, and the other end of the cylinder 59 is fixedly mounted to the bottom rod of the frame 87, the frame 87 is placed on the frame 2, the movable axis group includes a first movable axis 86 and a second movable axis 88, the first movable axis 86 is rotatably mounted on the upper left end face of the frame 87, and the eighth motor 60 is fixedly mounted on the frame 87,The output end of the eighth motor 60 is fixed to the first movable shaft 86, the tenth battery 61 is connected to the eighth motor 60, the second movable shaft 88 is rotatably mounted on the lower right end surface of the frame 87, the eleventh motor 71 is fixed to the frame 87, the output end of the eleventh motor 71 is fixed to the second movable shaft 88, the thirteenth battery 70 is connected to the eleventh motor 71, the fixed shaft group includes a first fixed shaft 66, a second fixed shaft 67 and a third fixed shaft 72, the second fixed shaft 67 has the same height as the first movable shaft 86, the third fixed shaft 72 is arranged parallel to the second fixed shaft 67 and is located below the second movable shaft 88, the first fixed shaft 66 has the same height as the third fixed shaft 72, and the first fixed shaft 66, the second fixed shaft 67 and the third fixed shaft 72 have the same height. 2 can be rotatably mounted on the third material blocking shell 64, the belt 57 passes through the second fixed shaft 67, the first movable shaft 86, the second movable shaft 88, the first fixed shaft 66 and the third fixed shaft 72 in sequence, the output ends of the ninth motor 63, the tenth motor 68 and the twelfth motor 74 are fixedly mounted on the first fixed shaft 66, the second fixed shaft 67 and the third fixed shaft 72 respectively, the eleventh battery 62 is connected to the ninth motor 63, the twelfth battery 69 is connected to the tenth motor 68, the fourteenth battery 73 is connected to the twelfth motor 74, the second camera 23 is fixedly mounted on the upper frame 2 between the two threshing drums, and the fourth battery 24 is connected to the second camera 23. At this point, the automatic sorting and feeding of the materials to be re-threshed can be realized according to the actual threshing conditions of the materials.

[0021] During operation, the material is fed from the feeding hopper 1, the first motor 6 drives the first gear 11 to rotate, the first gear 11 drives the second gear 12 to rotate, the second motor 20 drives the third gear 18 to rotate, the third gear 18 drives the fourth gear 19 to rotate, because the second gear 12 and the fourth gear 19 have the same rotation speed and direction, the two threshing drums rotate in opposite directions as a whole, the first camera 7 observes the material after threshing, and wirelessly feeds back the observed image to the first controller 5. When there are more broken materials, the first controller 5 first increases the rotation speed of the first motor 6 and then reduces the rotation speed of the first motor 6 to the same as the rotation speed of the second motor 20, so that the first gear 11 drives the second gear 12 to have a corresponding change in rotation speed, thereby driving the ball 1 3, the movement speed changes accordingly, so that the inclination of the variable diameter rod 14 increases. When the material discharge is small, the first controller 5 first reduces the speed of the first motor 6 and then increases the speed of the first motor 6 to the same as the speed of the second motor 20, so that the first gear 11 drives the second gear 12 to change its speed accordingly, and then drives the movement speed of the ball 13 to change accordingly, so that the inclination of the variable diameter rod 14 decreases, so that the threshing drum can rotate while automatically completing the regulation of the threshing gap according to the actual situation of the material; after threshing, the material falls onto the screen plate 16, and the fourth motor 35 drives the rotating disc 32 to rotate, so that the chute 29 rotates, drives the slide bar 75 to rotate, so that the pitch disc 28 rotates, and then the pitch disc 28 is inserted into the pitch disc 2 The small cylinder in 8 drives the connecting rod 27 to do reciprocating motion, and the connecting rod 27 drives the rake teeth to do reciprocating motion, so that the rake teeth can do reciprocating motion. The first camera 7 observes the material distribution on the screen plate and wirelessly feeds back the observed image to the second controller 31 and the fourth controller 82. When the material is less accumulated, the second controller 31 controls the third motor 33 to reverse, and the third motor 33 drives the screw 76 to reverse, and the screw 76 reverses to drive the variable pitch disc 28 to move backward, and the eccentricity of the variable pitch disc 28 gradually decreases, so that the reciprocating distance of the rake teeth component is reduced. At the same time, the fourth controller 82 drives the thirteenth motor 81 to rotate forward, and the thirteenth motor 81 rotates forward to drive the telescopic shaft 80 to rotate forward, and the telescopic shaft 80 rotates forward to make the fixed The rod 79 drives the telescopic rake teeth 38 to retract into the hollow shell 39 along the groove block 77. When a large amount of material is accumulated, the second controller 31 controls the third motor 33 to rotate forward, and the third motor 33 drives the screw 76 to rotate forward. The screw 76 rotates forward to drive the variable pitch disc 28 to move forward, and the eccentricity of the variable pitch disc 28 gradually increases, so that the reciprocating distance of the rake teeth component increases. At the same time, the fourth controller 82 drives the thirteenth motor 81 to reverse, and the thirteenth motor 81 reverses to drive the telescopic shaft 80 to reverse, and the telescopic shaft 80 reverses to make the fixed rod 79 drive the telescopic rake teeth 38 to extend out of the hollow shell 39 along the groove block 77. At this point, the reciprocating distance and spacing of the rake teeth can be self-adjusted according to the material falling situation, so that the material is evenly distributed on the screen plate 16;After screening, the material flows along the diverter block 49 to the baffle 44. The third camera 52 observes the threshing of the material and wirelessly feeds back the observed image to the third controller 40. When the material threshing rate is low, the third controller 40 controls the fifth motor 42 to rotate forward, and the baffle 44 rotates through the hinge 78 to raise the baffle 44. When the corn threshing rate is high, the third controller 40 controls the fifth motor 42 to reverse and lower the baffle 44, thereby sorting out crops with a high rate of unthreshing. The unthreshed crops flow through the trapezoidal plate and the rectangular plate in turn, and enter the auger 54 from the re-threshing inlet 51. The sixth motor 46 drives the auger 54 to rotate, and the unthreshed crops with a high rate are transported to the belt through the auger 54. On the upper part, the tenth motor 68, the eighth motor 60, the eleventh motor 71, the ninth motor 63 and the twelfth motor 74 respectively drive the second fixed shaft 67, the first movable shaft 86, the second movable shaft 88, the first fixed shaft 66 and the third fixed shaft 72 to rotate, thereby driving the belt 57 to transmit, the second camera 23 observes the material distribution between the threshing drums, and wirelessly feeds back the observed image to the fifth controller 90, the fifth controller 90 controls the speed of the seventh motor 56 to adjust the output pressure of the air pump 58, and then controls the expansion and contraction of the cylinder 59, so as to control the position of the frame 87 to change the position of the material to be threshed into the feeding port 3, and realize the regulation of the feeding position of the material with a high incomplete threshing rate. ;

[0022] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-quality sorting and multiple thresher with adjustable threshing gap, characterized in that: The device comprises a frame (2), a threshing mechanism, a screening mechanism, and a sorting and re-threshing mechanism. The threshing mechanism is installed at the upper middle part of the frame (2), the screening mechanism is installed at the left middle and lower part, and the sorting and re-threshing mechanism is installed at the right side.

2. The high-quality sorting and multiple thresher with adjustable threshing gap according to claim 1 is characterized in that: The threshing mechanism comprises a feeding hopper (1), a threshing drum and a first camera (7). The feeding hopper (1) is fixedly mounted on the upper end of a frame (2). The threshing mechanism is provided with two threshing drums arranged in parallel and opposite to each other. The threshing drums comprise a variable diameter shaft (22), a gear set, a first controller (5), a variable diameter rod and a rigid-flexible combined threshing component. The variable diameter shaft (22) is fixedly mounted on the frame (2). The gear set comprises a first gear (11), a second gear (12), a third gear (18) and a fourth gear (19). The second gear (12) and the fourth gear (19) are rotatably mounted on both ends of the variable diameter shaft (22). The first gear (11) and the third gear (18) are respectively meshed with the second gear (12) and the fourth gear (19); the output end of the first motor (6) is fixedly mounted on the gear shaft of the first gear (11); the first battery (4) is connected to the first motor (6); the output end of the second motor (20) is fixedly mounted on the gear shaft of the third gear (18); the third battery (21) is connected to the second motor (20); the first controller (5) can receive signals wirelessly; the first controller (5) is fixedly mounted on the first motor (6); one end of the first controller (5) is connected to the first battery (4) and the other end is connected to the first motor (6); the variable The diameter rod comprises a ball (13), a diameter-changing rod (14) and a diameter-changing ball (15); the ball (13) is fixedly mounted on one end of the diameter-changing rod (14); a spherical groove is formed at equal angles on the circumference of the base circle edge of the second gear (12); the ball (13) can be rolled and installed in the spherical groove; the diameter-changing rod (14) is fixedly mounted on the other end of the diameter-changing rod (14); a cylindrical through hole having the same number as the spherical groove is formed at equal angles on the circumference of the base circle edge of the fourth gear (19); the other end of the diameter-changing rod (14) is inserted into the cylindrical through hole corresponding to the spherical groove; the rigid-flexible combined threshing component comprises a threshing tooth (9) and a threshing blade group; the threshing tooth The structure of (9) is a triangular ring, the threshing teeth (9) are fixedly mounted on the diameter-changing rod (14) at intervals along the circumference of the second gear (12), the diameter-changing rod (14) axially arranges the threshing teeth (9) at equal intervals, the threshing teeth (9) are fixedly mounted perpendicular to the diameter-changing rod (14), the threshing blade group is formed by a circumferential array of threshing blades (10) and is hollow, the threshing blade group is evenly distributed around the annular contour of the threshing teeth (9), the first camera (7) is fixedly mounted on the frame (2) above the screen plate (16), the second battery (8) is connected to the first camera (7), and the first camera (7) can transmit the condition of the material after threshing to the first controller (5).

3. The high-quality sorting and multiple thresher with adjustable threshing gap according to claim 1 is characterized in that: The screening mechanism comprises a screen plate (16), a side plate (91), a rake tooth pitch changing device and a first camera (7). The screen plate (16) is fixedly mounted on the lower middle part of a frame (2) and is arranged obliquely, wherein the upper part is provided with equidistantly arranged screen holes (17). Two side plates (91) are respectively fixedly mounted on the frame (2) on both sides of the screen plate (16). The screening mechanism is provided with four rake tooth pitch changing devices which are symmetrically distributed about the center of the upper middle part of the screen plate (16). Each rake tooth pitch changing device is arranged parallel to the length direction of the screen plate (16). The rake tooth pitch changing device comprises a pitch changing device and a rake tooth device. The pitch changing components comprise a positioning block (34), a rotating disc (32), a slide groove (29), a slide rod (75), a screw rod (76), a second controller (31), a pitch changing disc (28), a connecting rod (27), a positioning rod (25) and a slide rail (26), a positioning block (34) is fixedly mounted on the side plate (91), and a through hole is opened in the center thereof, the central axis of the rotating disk (32) can be rotatably mounted in the through hole, a fourth motor (35) is fixedly mounted on the positioning block (34), an output end of the fourth motor (35) is fixedly mounted on the central axis of the rotating disk (32), a sixth battery (36) is connected to the fourth motor (35), a slide groove (29) is radially fixedly mounted on the rotating disk (32), a groove opening shape of the slide groove (29) is an isosceles trapezoid, and a top end of the slide groove (29) is closed with a hole, a slide rod (75) can be slidably mounted in the slide groove (29), an outer contour shape of the slide rod (75) is adapted to the groove opening shape of the slide groove (29), and a cylindrical through hole is opened in the center of the slide rod (75), An internal thread is provided at the center of the cylindrical through hole, and the screw (76) is rotatably connected to the slide bar (75) through the external thread thereon. The third motor (33) is fixedly mounted on the side of the rotating disc (32), and the output end of the third motor (33) is fixedly mounted on the screw (76). The fifth battery (30) is connected to the third motor (33). The second controller (31) can receive signals wirelessly. The second controller (31) is fixedly mounted on the third motor (33). One end of the second controller (31) is connected to the fifth battery (30), and the other end is connected to the third motor (33). The lower end surface of the variable pitch disc (28) is fixedly mounted at the center line of the end surface of the slide bar (75). A circular groove is opened on the upper end surface of the variable pitch disc (28). A small cylinder is fixedly mounted in the middle of the connecting rod (27), and the small cylinder is inserted in the circular groove. The positioning rod (25) is fixed on the frame (2), the slide rail (26) is fixed on the end surface of the positioning rod (25), one end of the connecting rod (27) can be slidably installed in the groove of the slide rail (26), and the connecting rod (27) passes through the side plate (91), the rake tooth component comprises a hollow shell (39), a second positioning shell (85), a telescopic shaft (80), a fourth controller (82), a fixed rod (79), telescopic rake teeth (38), fixed rake teeth (37) and a groove block (77), the hollow shell (39) is fixed on the other end of the connecting rod (27), a long hole (84) is opened at the center of the bottom of the hollow shell (39), the second positioning shell (85) is fixed on the bottom of the hollow shell (39), and the thirteenth motor (81) is fixed in the second positioning shell (85),The output end of the thirteenth motor (81) is fixedly mounted on one end of the telescopic shaft (80), the other end of the telescopic shaft (80) is fixedly mounted on the middle of the fixed rod (79), and the telescopic shaft (80) is inserted into the long hole (84), the fifteenth battery (83) is connected to the thirteenth motor (81), the fourth controller (82) can receive signals wirelessly, the fourth controller (82) is fixedly mounted on the thirteenth motor (81), one end of the fourth controller (82) is connected to the fifteenth battery (83), and the other end is connected to the thirteenth motor (81), and the top of the fixed rake teeth (37) is fixedly mounted in the hollow at equal intervals. On the front end surface of the shell (39), the top ends of the telescopic rake teeth (38) are fixedly mounted on the fixed rod (79) at equal intervals, and each telescopic rake tooth (38) is located between two adjacent fixed rake teeth (37). The telescopic rake teeth (38) are slidably mounted on the front end surface of the hollow shell (39). Two groove blocks (77) are fixedly mounted on the bottom surface of the hollow shell (39), and the two groove blocks (77) are located on both sides of the telescopic shaft (80). The groove blocks (77) are provided with grooves adapted to the contour and position of the telescopic rake teeth (38), and the telescopic rake teeth (38) are slidably mounted in the grooves.

4. The high-quality sorting and multiple thresher with adjustable threshing gap according to claim 1 is characterized in that: The sorting and re-detaching mechanism comprises a sorting device, a third camera (52), a re-detaching device and a second camera (23), wherein the sorting device comprises a sieve plate (16), a diverter block (49), a baffle plate (44), a hinge (78), a pull rod (43), a discharge plate (48), a third controller (40) and a first baffle plate (50), wherein the bottom of the sieve plate (16) is provided with four equally spaced rectangular openings, and the four baffle plates (44) are hinged in the four rectangular openings through hinges (78), and three diverter blocks (49) are equally spaced at the rear of the sieve plate (16), and each diverter block (49) is located between two adjacent baffle plates (44), and the pull rod (43) is fixed at the center of the side of the lower end surface of the baffle plate (44), and a cylindrical shaped through hole, the cylindrical through hole is provided with an internal thread, the fifth motor (42) shaft is provided with an external thread, the pull rod (43) is rotatably connected to the fifth motor (42) shaft through a thread, the discharge plate (48) is fixedly mounted parallel to the bottom of the sieve plate (16), the fifth motor (42) is fixedly mounted on the discharge plate (48), the seventh battery (41) is connected to the fifth motor (42), the third controller (40) can receive signals wirelessly, the third controller (40) is fixedly mounted on the fifth motor (42), one end of the third controller (40) is connected to the seventh battery (41), and the other end is connected to the fifth motor (42), the first baffle plate (50) is fixedly mounted on both sides of the rear of the sieve plate (16), and two third cameras (52) are fixedly mounted on the inner side of the top plate thereof, and the ninth battery (53) is connected to the third camera The image head (52); the re-stripping device comprises a second material-blocking shell (55), an auger (54), a first positioning shell (47) and a belt device, the bottom end of the screen plate (16) is fixedly provided with an isosceles trapezoidal plate, the bottom end of the isosceles trapezoidal plate is fixedly provided with a rectangular plate, the first positioning shell (47) is fixedly provided on the bottom surface of the tail of the discharge plate (48), the sixth motor (46) is fixedly provided in the first positioning shell (47), the output end of the sixth motor (46) is fixedly provided with the auger shaft, the eighth battery (45) is connected with the sixth motor (46), the auger (54) is inclined, the auger shaft can be rotatably provided on the discharge plate (48) and the rectangular plate, the auger (54) is provided with a second material-blocking shell (55) outside, the bottom and top of the contact surface between the second material-blocking shell (55) and the first material-blocking plate (50) are The ends of the second material-blocking shell (55) are respectively provided with a re-release entrance (51) and a discharge outlet (65). The belt device comprises a third material-blocking shell (64), a frame (87), a pneumatic system, a movable shaft group, a fixed shaft group and a belt (57). The third material-blocking shell (64) is provided with a U-shaped notch and is fixedly mounted on both sides of the top of the second material-blocking shell (55). Two pneumatic systems are distributed on two bottom plates of the third material-blocking shell (64). The pneumatic system consists of a seventh motor (56), a fifth controller (90), an air pump (58) and a cylinder (59). The seventh motor (56) is fixedly mounted on the bottom plate of the third material-blocking shell (64). A sixteenth battery (89) is connected to the seventh motor (56). The fifth controller (90) can receive signals wirelessly. The fifth controller (90) is fixedly mounted on the seventh motor (56).One end of the fifth controller (90) is connected to the sixteenth battery (89), and the other end is connected to the seventh motor (56). The output end of the seventh motor (56) is fixedly mounted to the input end of the air pump (58). The output end of the air pump (58) is fixedly mounted to one end of the cylinder (59). The other end of the cylinder (59) is fixedly mounted to the bottom rod of the frame (87). The frame (87) is placed on the frame (2). The movable shaft group includes a first movable shaft (86) and a second movable shaft (88). The first movable shaft (86) is rotatably mounted on the upper left end surface of the frame (87). The eighth motor (60) is fixedly mounted to the bottom rod of the frame (87). The frame (87) is mounted on the frame (87), the output end of the eighth motor (60) is fixedly mounted on the first movable shaft (86), the tenth battery (61) is connected to the eighth motor (60), the second movable shaft (88) is rotatably mounted on the lower right side of the end surface of the frame (87), the eleventh motor (71) is fixedly mounted on the frame (87), the output end of the eleventh motor (71) is fixedly mounted on the second movable shaft (88), the thirteenth battery (70) is connected to the eleventh motor (71), the fixed shaft group includes a first fixed shaft (66), a second fixed shaft (67) and a third fixed shaft (72), the thirteenth battery (70) is connected to the eleventh motor (71), and the fixed shaft group includes a first fixed shaft (66), a second fixed shaft (67) and a third fixed shaft (72). The second fixed shaft (67) has the same height as the first movable shaft (86), the third fixed shaft (72) is arranged parallel to the second fixed shaft (67) and is located below the second movable shaft (88), the first fixed shaft (66) and the third fixed shaft (72) have the same height, the first fixed shaft (66), the second fixed shaft (67) and the third fixed shaft (72) are all rotatably mounted on the third material blocking shell (64), and the belt (57) passes through the second fixed shaft (67), the first movable shaft (86), the second movable shaft (88), the first fixed shaft (66) in sequence and the third fixed shaft (72), the output ends of the ninth motor (63), the tenth motor (68) and the twelfth motor (74) are respectively fixed to the first fixed shaft (66), the second fixed shaft (67) and the third fixed shaft (72), the eleventh battery (62) is connected to the ninth motor (63), the twelfth battery (69) is connected to the tenth motor (68), the fourteenth battery (73) is connected to the twelfth motor (74), the second camera (23) is fixed on the upper frame (2) between the two threshing drums, and the fourth battery (24) is connected to the second camera (23).

Images