Multi-angle adjusting type grain conveying device

Abstract

The utility model relates to the field of grain conveying equipment, and discloses a multi-angle adjusting type grain conveying device which comprises a conveying belt, rollers are arranged in the left side and the right side of the conveying belt, first supporting plates are arranged on the left portion and the right portion of the front side and the right portion of the back side of the conveying belt, and a supporting roller is rotationally connected in the middle of the conveying belt. Connecting rings are fixedly connected to the outer sides of the front end and the rear end of the supporting roller. Through the arrangement of the bottom box, the driving motor, the lead screw, the threaded sleeve, the first connecting column, the first connecting rod and the second hinge frame, the problems that the conveying speed is too low, the overall conveying efficiency is affected, and each grain cannot be uniformly treated can be solved; therefore, potential safety hazards caused by mismatching of equipment and a site are effectively reduced, the operation is simple and convenient, the labor intensity is reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of grain conveying equipment, especially a multi-angle adjusting type grain conveying device. BACKGROUND

[0002] With the progress of agricultural technology, the grain yield increases greatly, and the traditional manual carrying grain mode cannot satisfy the need of large-scale production.

[0003] In the grain conveying process, various kinds of grains often need to be handled. The best conveying inclination angle of each kind of grain is different, and different inclination angles are needed to realize the best conveying effect due to the different factors such as the grain size, shape and density, but the fixed-angle conveying device cannot satisfy the difference, which limits the adaptability of the equipment to different grain varieties, thus leading to slow conveying speed, affecting the overall conveying efficiency, and causing that each grain cannot be uniformly handled in the subsequent processing steps such as adding additives or quality detection in the grain. SUMMARY

[0004] The main purpose of the utility model is to provide a multi-angle adjusting type grain conveying device, which can effectively solve the problems of slow conveying speed, affecting the overall conveying efficiency, causing that each grain cannot be uniformly handled in the subsequent processing steps such as adding additives or quality detection in the grain, increasing the workload, interrupting the screening process, reducing the work efficiency, and making the whole device unable to work normally.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a multi -angle regulation formula grain conveying device, the inside of left and right two sides of conveying belt is provided with roll, the left and right parts of front and back two sides of conveying belt all is provided with first support plate, the inside rotation of conveying belt's middle is connected with support roll, the outside of front and back two ends of support roll all is fixedly connected with connecting ring, the left side wall of left two first support plate and the left side wall of right two first support plate's up and down both sides all are fixedly connected with limiting block, four limiting blocks all are rotationally connected in the left and right sides of connecting ring, the bottom of right side of conveying belt is provided with bottom box, the inside of bottom box is provided with first drive motor, the output of first drive motor is fixedly connected with screw rod, the outside of other end of screw rod is rotationally connected with fixed ring, the left end of fixed ring is fixedly connected in the inside left side wall of bottom box, the inside left side of bottom box is fixedly connected with second support plate, the outside of screw rod is rotationally connected with thread sleeve, the outside of thread sleeve is fixedly connected with fixed block.

[0006] Further, the outside of the fixed block is rotationally connected with a first bracket, the inside of the top of the first bracket is rotationally connected with a first connecting column, the bottom wall of the right side of the conveying belt is fixedly connected with a connecting plate, the bottom wall of the connecting plate is fixedly connected with a guide rail plate, the inside of the guide rail plate is slidingly connected with the front and back ends of the first connecting column, and the inside of the bottom box is provided with a second bracket.

[0007] Further, the bottom of the second bracket is rotationally connected with a second connecting column, the front and back ends of the second connecting column are rotationally connected in the inside of the second support plate, the top of the second bracket is rotationally connected with a first connecting rod, the front and back ends of the first connecting rod are rotationally connected in the middle of the first bracket, the left side wall of the bottom box is fixedly connected with a first hinged frame, the inside of the two first hinged frames is rotationally connected with a first support rod, the outside of the left side wall of the two first support rods is rotationally connected with a second hinged frame, and the top wall of the two second hinged frames is fixedly connected to the bottom of the left two support plates.

[0008] Further, the bottom of the left two support plates and the bottom wall of the bottom box are fixedly connected with universal wheels, the left side front wall of the left two support plates is fixedly connected with a protection box, the front side wall of the protection box is fixedly connected with a control panel, the inside of the protection box is provided with a second drive motor, the output of the second drive motor is fixedly connected with a rotating shaft, and the rear end of the rotating shaft is fixedly connected to the inside of the front end of the left roller.

[0009] Further, the left top of the conveying belt is provided with a treatment box, the bottom wall of the treatment box is fixedly connected with support rods, the bottom wall of the four support rods is fixedly connected with the top of the left two first support plates, the top of the treatment box is fixedly connected with a feeding hopper, the bottom of the support rod is fixedly connected with a discharging hopper, and the inside of the treatment box is provided with a filter plate.

[0010] Further, the left and right side walls of the filter plate and the inside top wall of the treatment box are fixedly connected with connecting blocks, the rear side wall of each connecting block is fixedly connected with a spring sheet, the rear side wall of the filter plate is fixedly connected with a slag discharge plate, the rear side wall of the slag discharge plate is connected in the rear side wall of the treatment box in a penetrating mode, the left and right sides of the top of the rear side wall of the filter plate are fixedly connected with semicircular plates, and the inside of the two semicircular plates is provided with a second connecting rod.

[0011] Further, the inside bottom wall of the treatment box is provided with a bidirectional motor, the left and right two output ends of the bidirectional motor are fixedly connected with rotating rods, the outer side walls of the two rotating rods are fixedly connected with eccentric wheels, the outer side walls of the two eccentric wheels are rotatably connected with second branch rods, and the rear side walls of the two second branch rods are rotatably connected with the left and right ends of the second connecting rod.

[0012] Compared with the prior art, the utility model has the advantages of the following:

[0013] 1、 the utility model discloses a bottom box, a driving motor, a screw rod, a threaded sleeve, a first connecting column, a first connecting rod and a second hinged frame are set up, can solve the problem of too slow conveying speed, affect overall conveying efficiency, cause in subsequent processing link, such as adding additive or carrying out quality detection in grain, can not carry out the even processing of each grain, the fixed block fixedly connected with the outside of the threaded sleeve moves along with the threaded sleeve, the first support is rotatably connected to the outside of the fixed block, the first connecting column is rotatably connected to the inside of the top of the first support, and the guide rail plate inside the connecting plate bottom of the right side bottom wall of the conveying belt is slidably connected to the front and rear ends of the first connecting column, when the threaded sleeve moves, the first support is driven to move through the fixed block, and the movement of the first support is converted into the lifting movement of the right side bottom of the conveying belt through the cooperation of the first connecting column and the guide rail plate, thereby preliminarily changing the height position of the right side of the conveying belt, laying a foundation for the adjustment of the inclination angle, effectively reducing the safety hidden trouble caused by the mismatching of equipment and site, improving the simple and convenient operation, reducing the labor intensity and improving the work efficiency.

[0014] 2. The filter plate, spring sheet, bidirectional motor, eccentric wheel and rotating shaft are arranged, the problem that the work load is increased, the screening process is interrupted, the work efficiency is reduced and the whole device cannot work normally is solved, the spring sheet on the rear side wall of the connecting block provides certain elastic buffering and resetting capacity for the filter plate, when the bidirectional motor is started, the left and right two output ends drive the rotating rod to rotate, the eccentric wheel fixedly connected to the outer side of the rotating rod rotates synchronously, the rotation of the eccentric wheel drives the second supporting rod connected therewith to move, since the rear side walls of the two second supporting rods are rotationally connected to the second connecting rods located at the top of the rear side wall of the filter plate and inside the semicircular plates on the left and right sides, when the second supporting rod moves, the filter plate is driven to vibrate through the second connecting rod, thereby effectively improving the grading precision of the grain and reducing the failure and maintenance frequency of the equipment due to blockage.

[0015] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A perspective view of a multi-angle adjusting type grain conveying device is provided for the utility model;

[0017] Figure 2 A right side height adjusting display view of a multi-angle adjusting type grain conveying device is provided for the utility model;

[0018] Figure 3 A bottom box structure view of a multi-angle adjusting type grain conveying device is provided for the utility model;

[0019] Figure 4 A limiting block structure view of a multi-angle adjusting type grain conveying device is provided for the utility model;

[0020] Figure 5 A screw rod structure view of a multi-angle adjusting type grain conveying device is provided for the utility model;

[0021] Figure 6 A fixed ring structure view of a multi-angle adjusting type grain conveying device is provided for the utility model;

[0022] Figure 7 A threaded sleeve schematic view of a multi-angle adjusting type grain conveying device is provided for the utility model;

[0023] Figure 8 A control panel structure view of a multi-angle adjusting type grain conveying device is provided for the utility model;

[0024] Figure 9 A rotating shaft structure view of a multi-angle adjusting type grain conveying device is provided for the utility model;

[0025] Figure 10 This is a structural diagram of a spring plate in a multi-angle adjustable grain conveying device proposed in this utility model;

[0026] Figure 11 This is a structural diagram of the second support rod of a multi-angle adjustable grain conveying device proposed in this utility model;

[0027] Figure 12 This is a structural diagram of the rotating rod of a multi-angle adjustable grain conveying device proposed in this utility model.

[0028] Legend:

[0029] 1. Conveyor belt; 2. Support roller; 3. First support plate; 4. Roller; 5. Connecting ring; 6. Limiting block; 7. Base box; 8. First drive motor; 9. Lead screw; 10. Fixing ring; 11. Second support plate; 12. Threaded sleeve; 13. Fixing block; 14. First bracket; 15. First connecting column; 16. Guide rail plate; 17. Connecting plate; 18. Second bracket; 19. Second connecting column; 20. First connecting rod; 21. First hinge frame; 22. 23. First support rod; 24. Second hinge frame; 25. Casters; 26. Protective box; 27. Control panel; 28. Second drive motor; 29. ​​Processing box; 20. Support rod; 31. Feed hopper; 32. Discharge hopper; 33. Filter plate; 34. Connecting block; 35. Spring sheet; 36. Slag discharge plate; 37. Semicircular plate; 38. Second connecting rod; 39. Bidirectional motor; 40. Rotating rod; 41. Eccentric wheel; 42. Second support rod; 43. Rotating shaft. Detailed Implementation

[0030] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0031] like Figure 1 - Figure 8As shown: a multi-angle adjusting grain conveying device, including a conveying belt 1, the left and right sides of the conveying belt 1 are internally provided with a roller 4, the left and right sides of the front and rear sides of the conveying belt 1 are provided with a first supporting plate 3, the middle inside of the conveying belt 1 is rotatably connected with a supporting roller 2, the outer side of the front and rear ends of the supporting roller 2 is fixedly connected with a connecting ring 5, the right side wall of the left two first supporting plates 3 and the left side wall of the right two first supporting plates 3 are fixedly connected with a limiting block 6, the roller 4 in the left and right sides of the conveying belt 1 provides horizontal rotation support, the first supporting plate 3 of the front and rear sides of the left and right sides is used for the overall vertical positioning and stable support of the conveying belt 1, and the supporting roller 2 in the middle inside further assists the conveying belt 1, and the connecting ring 5 on the outer side of the front and rear ends of the supporting roller 2 is rotatably connected with the limiting block 6 on the first supporting plate 3, so that the supporting roller 2 can rotate freely while stably supporting the conveying belt 1, so as to maintain the stability and flexibility of the conveying belt 1.

[0032] The four limiting blocks 6 are rotatably connected to the left and right sides of the connecting ring 5, the right bottom of the conveying belt 1 is provided with a bottom box 7, the inside device is protected by the bottom box 7, and the bottom of the conveying belt 1 and the first supporting plate 3 is supported. The inside of the bottom box 7 is provided with a first driving motor 8, the output end of the first driving motor 8 is fixedly connected with a lead screw 9, the other end of the lead screw 9 is rotatably connected with a fixed ring 10, the left end of the fixed ring 10 is fixedly connected to the inside left side wall of the bottom box 7, the output end of the first driving motor 8 drives the lead screw 9 to rotate, when the lead screw 9 rotates, the other end of the lead screw 9 rotates in the inside of the fixed ring 10 on the inside left side wall of the bottom box 7, to support the left end of the lead screw 9, the inside left side of the bottom box 7 is fixedly connected with a second supporting plate 11, the outside of the lead screw 9 is rotatably connected with a threaded sleeve 12, the outside of the threaded sleeve 12 is fixedly connected with a fixed block 13, when the lead screw 9 rotates, the outside of the threaded sleeve 12 is threadedly corresponding to the outside of the threaded sleeve 12, to drive the threaded sleeve 12 to slide left and right.

[0033] As shown in Figure 1 - Figure 8 The outside of the fixed block 13 is rotatably connected with a first support 14, the top inside of the first support 14 is rotatably connected with a first connecting column 15, the right bottom wall of the left two first supporting plates 3 is fixedly connected with a connecting plate 17, the bottom wall of the connecting plate 17 is fixedly connected with a guide rail plate 16, the front and rear ends of the first connecting column 15 are slidably connected in the inside of the guide rail plate 16, when the threaded sleeve 12 moves on the lead screw 9, the fixed block 13 on the outside of the threaded sleeve 12 drives the first support 14 to move, the movement of the first support 14 is converted into the lifting movement of the right bottom of the conveying belt 1 through the cooperation of the first connecting column 15 and the guide rail plate 16, so as to preliminarily change the height position of the right side of the conveying belt 1.

[0034] The interior of the bottom box 7 is provided with a second support 18, the bottom of the second support 18 is rotationally connected with a second connecting column 19, the front and rear ends of the second connecting column 19 are rotationally connected in the interior of the second support plate 11, the top of the second support 18 is rotationally connected with a first connecting rod 20, the front and rear ends of the first connecting rod 20 are rotationally connected in the middle of the first support 14, when the first support 14 changes position under the drive of the threaded sleeve 12, the second support 18 will be driven to rotate around the second connecting column 19 by the first connecting rod 20. The rotation of the second support 18 and the movement of the first support 14 cooperate with each other to cooperatively adjust the support state of the right side bottom of the conveyor belt 1, and accurately control the lifting amplitude and angle change of the right side of the conveyor belt 1.

[0035] The left side wall of the bottom box 7 is fixedly connected with a first hinged frame 21, the interior of the two first hinged frames 21 is rotationally connected with a first support rod 22, the outer side of the left side wall of the two first support rods 22 is rotationally connected with a second hinged frame 23, the top wall of the two second hinged frames 23 is fixedly connected to the left side bottom wall of the left two first support plates 3, by connecting the first support rod 22 with the second hinged frame 23 and the first hinged frame 21, when the angle of the right side of the conveyor belt 1 changes, the left side can be correspondingly adjusted in angle through the linkage of the first support rod 22 and the hinged frame, to ensure that the entire conveyor belt 1 can change the inclination angle smoothly and coordinately, avoiding the occurrence of distortion or instability.

[0036] As shown in Figure 8 - Figure 9 The bottom of the left first support plate 3 and the bottom wall of the bottom box 7 are fixedly connected with universal wheels 24, the universal wheels 24 are arranged to facilitate the movement of the equipment, the left front side wall of the conveyor belt 1 is fixedly connected with a protection box 25, the front side wall of the protection box 25 is fixedly connected with a control panel 26, the protection box 25 is arranged to protect the second drive motor 27 outside, and the control panel 26 is arranged to control the entire equipment. The interior of the protection box 25 is provided with a second drive motor 27, the output end of the second drive motor 27 is fixedly connected with a rotating shaft 42, the rear end of the rotating shaft 42 is fixedly connected in the interior of the front end of the left roller 4, the rotating shaft 42 on the output end of the second drive motor 27 is fixed to the front end of the left roller 4, to drive the roller 4 to rotate, and the left roller 4 drives the conveyor belt 1 to rotate.

[0037] As shown in Figure 8 - Figure 12As shown, the left top of the conveying belt 1 is provided with a processing box 28, the bottom wall of the processing box 28 is fixedly connected with a support rod 29, the bottom wall of the four support rods 29 is fixedly connected with the top of the left two first support plates 3, the top of the processing box 28 is fixedly connected with a feeding hopper 30, the bottom of the support rod 29 is fixedly connected with a discharging hopper 31, the inside of the processing box 28 is provided with a filter plate 32, the support rod 29 at the bottom of the processing box 28 is fixed to the upper side wall of the left first support plate 3, so as to support and fix the top processing box 28, and the grains can be accurately dropped into the inside of the filter plate 32 through the feeding hopper 30 into the inside of the processing box 28, so as to process the grains, and after processing, the processed grains can be discharged into the inside of the conveying belt 1 through the discharging hopper 31 at the bottom of the processing box 28 for conveying.

[0038] The left and right side walls of the filter plate 32 and the inside top wall of the processing box 28 are fixedly connected with a connecting block 33, the rear side wall of each connecting block 33 is fixedly connected with a spring sheet 34, the rear side wall of the filter plate 32 is fixedly connected with a residue discharging plate 35, the rear side wall of the residue discharging plate 35 is connected through the rear side wall of the processing box 28, the residue discharging plate 35 is arranged to guide the impurities filtered to be discharged from the inside of the processing box 28. The top left and right sides of the rear side wall of the filter plate 32 are fixedly connected with a semicircular plate 36, and the inside of the two semicircular plates 36 is provided with a second connecting rod 37.

[0039] As shown in the figure, Figure 10 Figure 12 The inside bottom wall of the processing box 28 is provided with a bidirectional motor 38, the left and right two output ends of the bidirectional motor 38 are fixedly connected with rotating rods 39, the outer side walls of the two rotating rods 39 are fixedly connected with eccentric wheels 40, the outer side walls of the two eccentric wheels 40 are rotatably connected with second branch rods 41, and the rear side walls of the two second branch rods 41 are rotatably connected with the second connecting rod 37 at the left and right ends. When the bidirectional motor 38 is started, the left and right two output ends drive the rotating rods 39 to rotate, and the eccentric wheels 40 fixedly connected with the outer side of the rotating rods 39 rotate synchronously. The rotation of the eccentric wheels 40 drives the second branch rods 41 connected therewith to move, and since the rear side walls of the two second branch rods 41 are rotatably connected with the second connecting rod 37 at the top left and right sides of the semicircular plates 36 inside the rear side wall of the filter plate 32, when the second branch rods 41 move, the filter plate 32 is driven to vibrate through the second connecting rod 37.

[0040] It should be noted that the utility model is a multi-angle adjusting type grain conveying device, first, the first driving motor 8, the second driving motor 27, the control panel 26 and the bidirectional motor 38 are connected with the external power supply to supply power to the device.

[0041] ​The conveying belt 1 is provided with horizontal rotating support by the rollers 4 on the left and right inner sides, and the first support plates 3 on the left and right sides of the front and back sides are used for overall vertical positioning and stable support of the conveying belt 1, and the support rollers 2 in the middle inner side further assist in bearing the conveying belt 1, and are rotatably connected with the limiting blocks 6 on the first support plates 3 through the connecting rings 5 on the outer sides of the front and back ends, so as to ensure that the support rollers 2 can rotate freely while stably supporting the conveying belt 1, so as to maintain the stability and flexibility of the operation of the conveying belt 1.

[0042] The first driving motor 8 serves as a power source, and when it is started, the output end drives the screw rod 9 to rotate. One end of the screw rod 9 is fixedly connected with the output end of the first driving motor 8, and the other end is rotatably connected with the fixed ring 10 which is fixedly arranged on the left side wall in the inner side of the bottom box 7, so as to provide stable rotating support for the screw rod 9. The threaded sleeve 12 rotatably connected with the outer side of the screw rod 9 will move linearly along the axial direction of the screw rod 9 due to the rotation of the screw rod 9 according to the screw transmission principle. The fixed block 13 fixedly connected with the outer side of the threaded sleeve 12 moves together with the threaded sleeve 12. The first support 14 rotatably connected with the outer side of the fixed block 13 is rotatably connected with the first connecting column 15 at the top inner side, and the first connecting column 15 is slidably connected with the guide rail plate 16 in the bottom of the connecting plate 17 on the right side bottom wall of the conveying belt 1. When the threaded sleeve 12 moves, the first support 14 is driven to move through the fixed block 13, and the movement of the first support 14 is converted into the lifting movement of the right side bottom of the conveying belt 1 through the cooperation of the first connecting column 15 and the guide rail plate 16, so as to preliminarily change the height position of the right side of the conveying belt 1 and lay a foundation for the adjustment of the inclination angle.

[0043] At the same time, the second support 18 arranged in the inner side of the bottom box 7 plays an important linkage role. The second support 18 is rotatably connected with the second support plate 11 through the second connecting column 19 at the bottom, and is rotatably connected with the first connecting rod 20 at the top, and the front and back ends of the first connecting rod 20 are rotatably connected with the middle part of the first support 14. In this way, when the first support 14 changes the position under the drive of the threaded sleeve 12, the second support 18 is driven to rotate around the second connecting column 19 through the first connecting rod 20. The rotation of the second support 18 cooperates with the movement of the first support 14 to adjust the support state of the right side bottom of the conveying belt 1, and accurately controls the lifting amplitude and angle change of the right side of the conveying belt 1.

[0044] In addition, the first hinged frame 21 of the left side wall of the bottom box 7 is rotationally connected with the first supporting rod 22, the left side wall of the first supporting rod 22 is rotationally connected with the second hinged frame 23, and the top wall of the second hinged frame 23 is fixedly connected with the bottom of the left two first supporting plates 3, so that when the angle of the right side of the conveying belt 1 is changed, the left side can be correspondingly adjusted in angle through the linkage of the first supporting rod 22 and the hinged frame, so as to ensure that the whole conveying belt 1 can be smoothly and coordinately changed in inclination angle, and the distortion or instability is avoided.

[0045] The grain first enters the inside of the processing box 28 through the feeding hopper 30 and falls on the filter plate 32. The filter plate 32 is fixed and supported through the connecting blocks 33 on the left and right side walls and the top wall inside the processing box 28, and the spring sheets 34 on the rear side walls of the connecting blocks 33 provide a certain elastic buffering and resetting capacity for the filter plate 32. When the bidirectional motor 38 is started, the left and right output ends drive the rotating rods 39 to rotate, and the eccentric wheels 40 fixedly connected on the outer sides of the rotating rods 39 are synchronously rotated. The rotation of the eccentric wheels 40 drives the second supporting rods 41 rotationally connected therewith to move. Since the rear side walls of the two second supporting rods 41 are rotationally connected on the second connecting rods 37 inside the left and right semicircular plates 36 on the top of the rear side walls of the filter plate 32, when the second supporting rods 41 move, the filter plate 32 is driven to vibrate through the second connecting rods 37.

[0046] The vibration of the filter plate 32 makes the grain on the surface thereof jump and roll constantly, and the smaller grain particles can fall through the screen holes of the filter plate 32, while the larger impurities are left on the filter plate 32. With the continuous progress of the filtering process, the impurities left on the filter plate 32 gradually move backward under the vibration. Since the rear side walls of the filter plate 32 are fixedly connected with the discharging plate 35, and the rear side wall of the discharging plate 35 penetrates through the rear side wall of the processing box 28, the impurities are finally discharged out of the processing box 28 along the discharging plate 35.

[0047] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A multi-angle adjustable grain conveying device comprising a conveying belt (1), characterized in that: The left and right sides of the conveying belt (1) are internally provided with rollers (4), the left and right sides of the front and rear sides of the conveying belt (1) are provided with first support plates (3), the middle inside of the conveying belt (1) is rotatably connected with a support roller (2), the front and rear ends of the outside of the support roller (2) are fixedly connected with a connecting ring (5), the right side walls of the left two first support plates (3) and the left side walls of the right two first support plates (3) are fixedly connected with limiting blocks (6) on the upper and lower sides, four limiting blocks (6) are rotatably connected on the left and right sides of the connecting ring (5), the bottom right side of the conveying belt (1) is provided with a bottom box (7), the inside of the bottom box (7) is provided with a first driving motor (8), the output end of the first driving motor (8) is fixedly connected with a lead screw (9), the other end of the outside of the lead screw (9) is rotatably connected with a fixed ring (10), the left end of the fixed ring (10) is fixedly connected to the inside left side wall of the bottom box (7), the inside left side of the bottom box (7) is fixedly connected with a second support plate (11), the outside of the lead screw (9) is rotatably connected with a threaded sleeve (12), the outside of the threaded sleeve (12) is fixedly connected with a fixed block (13).

2. The multi-angle adjustable grain conveying device according to claim 1, characterized in that: The outside of the fixed block (13) is rotatably connected with a first support (14), the top inside of the first support (14) is rotatably connected with a first connecting column (15), the right side bottom wall of the conveying belt (1) is fixedly connected with a connecting plate (17), the bottom wall of the connecting plate (17) is fixedly connected with a guide rail plate (16), the front and rear ends of the first connecting column (15) are slidably connected inside the guide rail plate (16), the inside of the bottom box (7) is provided with a second support (18).

3. A multi-angle adjustable grain conveying device according to claim 2, characterized in that: The bottom of the second support (18) is rotatably connected with a second connecting column (19), the front and rear ends of the second connecting column (19) are rotatably connected inside the second support plate (11), the top of the second support (18) is rotatably connected with a first connecting rod (20), the front and rear ends of the first connecting rod (20) are rotatably connected in the middle of the first support (14), the left side walls of the bottom box (7) are fixedly connected with first hinged frames (21), the inside of the two first hinged frames (21) is rotatably connected with first supporting rods (22), the outside of the left side walls of the two first supporting rods (22) is rotatably connected with second hinged frames (23), the top walls of the two second hinged frames (23) are fixedly connected to the bottoms of the left two support plates (3).

4. The multi-angle adjustable grain conveying device according to claim 1, characterized in that: The left side bottoms of the left two support plates (3) and the bottom wall of the bottom box (7) are fixedly connected with universal wheels (24), the left side front side walls of the left two support plates (3) are fixedly connected with protection boxes (25), the front side walls of the protection boxes (25) are fixedly connected with control panels (26), the inside of the protection box (25) is provided with a second driving motor (27), the output end of the second driving motor (27) is fixedly connected with a rotating shaft (42), the rear end of the rotating shaft (42) is fixedly connected to the front end inside of the left roller (4).

5. The multi-angle adjustable grain conveying device according to claim 1, characterized in that: The left side top of the conveying belt (1) is provided with a treatment box (28), the bottom wall of the treatment box (28) is fixedly connected with a support rod (29), the bottom wall of the four support rods (29) is fixedly connected with the top of the left two first support plates (3), the top of the treatment box (28) is fixedly connected with a feeding hopper (30), the bottom of the support rod (29) is fixedly connected with a discharging hopper (31), and the inside of the treatment box (28) is provided with a filter plate (32).

6. A multi-angle adjustable grain conveying device according to claim 5, characterized in that: The left and right side walls of the filter plate (32) and the inside top wall of the treatment box (28) are fixedly connected with a connecting block (33), the rear side wall of each connecting block (33) is fixedly connected with a spring piece (34), the rear side wall of the filter plate (32) is fixedly connected with a slag discharge plate (35), the rear side wall of the slag discharge plate (35) is connected through the rear side wall of the treatment box (28), the left and right sides of the top of the rear side wall of the filter plate (32) are fixedly connected with a semicircle plate (36), and the inside of the two semicircle plates (36) is provided with a second connecting rod (37).

7. A multi-angle adjustable grain conveying device according to claim 6, characterized in that: The inside bottom wall of the treatment box (28) is provided with a bidirectional motor (38), the left and right two output ends of the bidirectional motor (38) are fixedly connected with rotating rods (39), the outer side walls of the two rotating rods (39) are fixedly connected with eccentric wheels (40), the outer side walls of the two eccentric wheels (40) are rotatably connected with second support rods (41), and the rear side walls of the two second support rods (41) are rotatably connected with the left and right ends of the second connecting rod (37).

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