Device for removing residual straw in rice fields

Abstract

The present invention relates to the technical field of agricultural equipment, and specifically discloses a device for removing residual straw in a rice field, comprising a base, a device body mounted on the top of the base, a vibration motor mounted on the top of the base close to the device body, a conveying mechanism mounted on the top of the base, and an extrusion mechanism and a crushing mechanism mounted inside the device body. In this invention, when the straw to be crushed contains moisture, the straw can be conveyed to the inside of the device body by the conveying mechanism and fall on the top of the extrusion plate for temporary storage, and then the fixed frame of the conveying mechanism is controlled to move to the top of the device body, and the movable plate is located directly above the device body. By controlling the rotation of the screw rod, the extrusion plate is driven to move synchronously upward inside the device body, and cooperates with the movable plate on the top of the device body to squeeze and drain the moisture-containing straw, thereby facilitating the subsequent crushing of the straw by the crushing mechanism and improving the efficiency of straw crushing and removal.

Description

Technical Field

[0001] The invention relates to a cleaning device, in particular to a cleaning device for residual straw in a rice field, and belongs to the technical field of agricultural equipment. Background Art

[0002] After the rice harvest, a large amount of rice straw remains. Traditionally, this residue is burned en masse. The resulting ash is a natural potash fertilizer that can be recycled into the soil, reducing the labor burden on farmers. However, with the development and progress of the world, the centralized burning of rice straw has produced smoke and other harmful gases, polluting the environment. Bans on straw burning have made the disposal of rice straw a challenge.

[0003] Although the existing technology uses a straw crusher to crush the straw and return it to the field to fertilize the rice field, the straw placed in the rice field will absorb a large amount of moisture after rainy weather. If the straw is directly placed in the straw crusher for crushing, the crushing blades will not crush it evenly or even become blocked and unable to rotate, which greatly reduces the efficiency of the straw crushing process of the straw crusher. Summary of the Invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to provide a device for removing residual straw in rice fields.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A device for removing residual straw in a rice field comprises a base, a device body is installed on the top of the base, a vibration motor is installed on the top of the base near the device body, a conveying mechanism for conveying straw to the inside of the device body is installed on the top of the base, an extrusion mechanism for squeezing and draining the straw and a crushing mechanism for crushing the straw are installed inside the device body, the extrusion mechanism comprises two fixed rods installed on the outside of the device body, a first slide groove is provided on the outer wall of the two fixed rods on one side close to the device body, a first slider is installed inside the two first slide grooves, an extrusion plate is installed inside the device body, and the outer wall of the extrusion plate is connected to the first slider close to it by two first rotating shafts.

[0007] Optionally, a screw rod and a slide rod are respectively installed inside the two first sliding grooves, and the bottom ends of the screw rod and the slide rod pass through the corresponding first sliding blocks. The outer wall of the device body near the two fixed rods is provided with a through groove for the two first rotating shafts to move up and down.

[0008] Optionally, a plurality of grooves are provided on the top of the extruded plate, a circular groove is provided on the bottom of the extruded plate, air outlets are installed on the inner bottom surfaces of the plurality of grooves, and a first protective plate and a second protective plate for protecting the plurality of air outlets are hingedly provided inside the plurality of grooves, and the length of the first protective plate is smaller than that of the second protective plate.

[0009] Optionally, the crushing mechanism includes a rotating rod arranged inside the device body, a discharge outlet adapted to the device body is opened inside the base, two baffles for blocking the discharge outlet are slidably installed inside the base, a fixed frame is installed on the inner wall of the discharge outlet, and the rotating rod is rotatably installed on the fixed frame.

[0010] Optionally, a plurality of fixing rings are installed on the outer wall of the rotating rod, and the outer walls of the plurality of fixing rings are each rotatably mounted with crushing blades via a plurality of second rotating shafts.

[0011] Optionally, a driving motor is installed on the top of the base, and the output end of the driving motor passes through the base and rotates with the bottom end of the rotating rod through a belt.

[0012] Optionally, the conveying mechanism includes two cross bars symmetrically installed on the top of the base, the tops of the two cross bars are each provided with a second sliding groove, and the interiors of the two second sliding grooves are each provided with a second sliding block.

[0013] Optionally, telescopic rods are rotatably mounted on the tops of the two second sliders, and a fixed frame is mounted on the outer walls of the two telescopic rods adjacent to each other through a connecting piece, and a plurality of conveying rollers are equidistantly mounted inside the fixed frame.

[0014] Optionally, both ends of the fixing frame are hinged with stoppers, and both side outer walls of the fixing frame are provided with mounting holes adapted to the connecting pieces.

[0015] Optionally, the inner walls of the two sides of the fixed frame are each provided with a third slide groove, and a movable plate that cooperates with the extrusion plate is slidably installed between the two third slide grooves.

[0016] The beneficial effects of the present invention are:

[0017] 1. In this invention, when the straw to be crushed contains moisture, the straw can be transported to the interior of the device body through the conveying mechanism and fall on the top of the extrusion plate for temporary storage. Then, the fixed frame of the conveying mechanism is controlled to move to the top of the device body, and the movable plate is located directly above the device body. By controlling the rotation of the screw rod, the extrusion plate is driven to move upward synchronously inside the device body, and cooperates with the movable plate on the top of the device body to squeeze and drain the moisture-containing straw, thereby facilitating the subsequent crushing of the straw by the crushing mechanism and improving the efficiency of straw crushing and removal.

[0018] 2. In this invention, if there is a small amount of debris such as stones mixed in the straw, in order to avoid directly placing the straw containing debris into the device body and causing damage to the crushing blade, the conveying mechanism can collect the straw on the top of multiple conveying rollers and place it, and then control the fixed frame to move to the top of the vibration motor for temporary storage. The vibration motor drives the straw on the top of multiple conveying rollers to vibrate together, which facilitates the vibration and discharge of debris such as stones mixed inside, ensuring that the crushing blade will not break or the blade will be blunt when crushing the straw, thereby extending the service life of the crushing blade.

[0019] 3. In this invention, if it is not necessary to crush all the straw in the rice field, the straw can be vibrated synchronously by a vibration motor to remove the stones and other debris mixed inside and then directly packaged; if the straw contains moisture, the extrusion plate and the movable plate can be used to remove the moisture, and then the extrusion plate can be driven by the screw to move upward to discharge the squeezed straw blocks, thereby realizing automatic packaging of the straw and facilitating the subsequent transportation of the packaged straw. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] To facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0021] Figure 1 This is a schematic diagram of the overall structure of a device for removing residual straw in rice fields proposed by the present invention;

[0022] Figure 2 for Figure 1 Structural cross-sectional view of the middle base and the device body;

[0023] Figure 3 for Figure 2 Schematic diagram of the structure from another angle;

[0024] Figure 4 It is a structural schematic diagram of the conveying mechanism in the present invention;

[0025] Figure 5 Schematic diagram of the structure of the extruded plate in the present invention;

[0026] Figure 6 Schematic diagram of the structure of the crushing mechanism of the present invention;

[0027] Figure 7 This is a structural diagram of the vibration motor and the conveying mechanism used in conjunction with each other in the present invention;

[0028] Figure 8 for Figure 7 Schematic diagram of the structure in which the middle fixed frame rotates to an inclined state.

[0029] In the figure: 1. Base; 2. Device body; 3. Cross bar; 4. Fixed frame; 5. Conveyor roller; 6. Fixed rod; 7. Drive motor; 8. Vibration motor; 9. Telescopic rod; 10. Extrusion plate; 11. Through slot; 12. First slider; 13. Screw rod; 14. Rotating rod; 15. Crushing blade; 16. Baffle; 17. Second slide; 18. Circular slot; 19. Belt; 20. Moving plate; 21. Third slide; 22. Block; 23. Mounting hole; 24. Connector; 25. Second slider; 26. First protective plate; 27. Second protective plate; 28. Air outlet; 29. ​​First rotating shaft; 30. Second rotating shaft. DETAILED DESCRIPTION

[0030] The technical solutions of the present invention will be described clearly and completely below with reference to the embodiments. It is obvious that the embodiments described are only some of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are intended to fall within the scope of protection of the present invention.

[0031] Reference Figures 1-8 , a device for removing residual straw in a rice field, comprising a base 1, a device body 2 is installed on the top of the base 1, a vibration motor 8 is installed on the top of the base 1 near the device body 2, a conveying mechanism for conveying straw to the inside of the device body 2 is installed on the top of the base 1, a squeezing mechanism for squeezing and draining the straw and a crushing mechanism for crushing the straw are installed inside the device body 2, the squeezing mechanism comprises two fixed rods 6 installed on the outside of the device body 2, the outer wall of the two fixed rods 6 close to the device body 2 is provided with a first slide groove, the inside of the two first slide grooves is provided with a first slider 12, the inside of the device body 2 is provided with a squeezing plate 10, the outer wall of the squeezing plate 10 is connected to the first slider 12 close to it by two first rotating shafts 29.

[0032] As a technical optimization solution of the present invention, a screw rod 13 and a slide rod are respectively installed inside the two first chutes. The bottom ends of the screw rod 13 and the slide rod pass through the corresponding first slider 12. The outer wall of the device body 2 near the two fixed rods 6 is provided with a through slot 11 for the two first rotating shafts 29 to move up and down. A drive device connected to one end of the screw rod 13 is pre-installed inside one of the fixed rods 6. When activated, it can drive the screw rod 13 to rotate synchronously.

[0033] As a technical optimization solution of the present invention, a plurality of grooves are provided on the top of the extrusion plate 10, and a circular groove 18 is provided on the bottom of the extrusion plate 10. Air outlets 28 are installed on the inner bottom surfaces of the plurality of grooves. A first protective plate 26 and a second protective plate 27 are hingedly connected to the interior of the plurality of grooves for protecting the plurality of air outlets 28. The length of the first protective plate 26 is shorter than that of the second protective plate 27. The plurality of air outlets 28 are connected to an external hot air blower through a connecting pipe. After starting, the hot air blower can transport hot air into the plurality of air outlets 28 through the connecting pipe and discharge it upward, drying the extruded straw again and facilitating its subsequent crushing process. The first protective plate 26 and the second protective plate 27 can be provided to block the air outlets 28 when they are not in use, preventing the water extruded from flowing into the air outlets 28.

[0034] As a technical optimization solution of the present invention, the crushing mechanism includes a rotating rod 14 arranged inside the device body 2, a discharge outlet adapted to the device body 2 is opened inside the base 1, two baffles 16 for blocking the discharge outlet are slidably installed inside the base 1, a fixed frame is installed on the inner wall of the discharge outlet, and the rotating rod 14 is rotatably installed on the fixed frame.

[0035] As a technical optimization solution of the present invention, a plurality of fixing rings are installed on the outer wall of the rotating rod 14 , and the outer walls of the plurality of fixing rings are rotatably mounted with crushing blades 15 via a plurality of second rotating shafts 30 .

[0036] As a technical optimization solution of the present invention, a drive motor 7 is installed on the top of the base 1. The output end of the drive motor 7 passes through the base 1 and rotates with the bottom end of the rotating rod 14 via a belt 19. After the drive motor 7 is started, it can drive the rotating rod 14 to rotate synchronously through the belt 19, and then can synchronously drive the multiple crushing blades 15 to rotate inside the device body 2, thereby facilitating the crushing of straw.

[0037] As a technical optimization solution of the present invention, the conveying mechanism includes two crossbars 3 symmetrically mounted on the top of the base 1. The top of each crossbar 3 is provided with a second chute 17, and the interior of each second chute 17 is installed with a second slider 25. A linear motor is pre-installed inside each second chute 17, and when activated, the linear motor can drive the second slider 25 to move back and forth within the second chute 17.

[0038] As a technical optimization solution of the present invention, telescopic rods 9 are rotatably mounted on the tops of the two second sliders 25. The outer walls of the two telescopic rods 9, where the telescopic ends are close to each other, are both mounted to a fixed frame 4 via a connector 24. Multiple conveyor rollers 5 are evenly spaced within the fixed frame 4. As the second sliders 25 move back and forth, the telescopic rods 9 drive the fixed frame 4 to move back and forth across the top of the device body 2.

[0039] As a technical optimization solution of the present invention, both ends of the fixed frame 4 are hinged with a stopper 22, and the outer walls of both sides of the fixed frame 4 are provided with mounting holes 23 adapted to the connector 24. The provided mounting holes 23 facilitate adjustment of the installation position of the connector 24.

[0040] As a technical optimization solution of the present invention, third chute 21 is formed on the adjacent inner walls of the fixed frame 4. A movable plate 20, which cooperates with the extrusion plate 10, is slidably mounted between the two third chute 21. Linear motors are also pre-installed within the two third chute 21. The linear motors cooperate with the movable plate 20 at both ends of the third chute 21 to drive the movable plate 20 back and forth between the two third chute 21 to adjust its position.

[0041] In the present invention, when the user uses the device, please refer to Figure 1 and Figure 2 As shown, first, by controlling the two first rotating shafts 29 to drive the extrusion plate 10 to rotate 90 degrees inside the device body 2 to a vertical state, and then by controlling the two telescopic rods 9 to extend one end distance upward, the movement of the two connecting members 24 from left to right will not be blocked by the two fixed rods 6, and then the linear motors in the two second chutes 17 can be controlled to start, driving the two second sliders 25 to move toward the right end in the two second chutes 17, and then the fixed frame 4 can be driven to move toward the right end together, until the left end of the fixed frame 4 moves to a position close to the vibration motor 8, the staff can place the straw inside the fixed frame 4, and transport the straw to the inside of the device body 2 through the multiple conveying rollers 5 inside the fixed frame 4, the straw entering the device body 2 can naturally contact the multiple crushing blades 15 of the crushing mechanism, and the multiple crushing blades 15 can crush the straw, and the crushed straw can automatically fall down through the discharge port into the rice field for use as fertilizer, thereby achieving the effect of crushing, removing and recycling the straw.

[0042] If the straw contains a small amount of debris such as stones, in order to avoid directly putting the straw containing debris into the device body 2 and causing damage to the crushing blade 15, please refer to Figure 1 and Figure 7 As shown, the two second sliders 25 are controlled to move to Figure 7 After the position shown, control the two telescopic rods 9 to retract to Figure 8state, and at the same time control the linear motors inside the two third chutes 21 to start, drive the movable plate 20 to move to just above the vibration motor 8, and then abut against the top of the vibration motor 8, and then evenly place the straw containing a small amount of stones and other debris on the top of the fixed frame 4, and start the vibration motor 8 to drive the fixed frame 4 and the straw placed on the top of it to vibrate together, so as to facilitate the vibration screening of stones and other debris mixed in the straw, and then repeat the above steps to crush the straw and return it to the field; and controlling the movable plate 20 to move and abut against the top of the vibration motor 8 can avoid the conveying roller 5 inside the fixed frame 4 from directly contacting the vibration motor 8, which may cause damage by collision.

[0043] If the straw in the rice field contains moisture, if it is directly crushed by the crushing mechanism inside the device body 2 in the above-mentioned manner, the crushing efficiency of the crushing blade 15 on the moisture-containing straw will be greatly reduced, and rust will also be generated on the surface of the crushing blade 15, which greatly reduces the service life of the crushing blade 15. Figure 7 The top of the fixed frame 4 shown is driven by the vibration motor 8 to vibrate the fixed frame 4 and the straw on its top to drain water and remove debris. At this time, the movable plate 20 located on the top of the vibration motor 8 can also block the falling water droplets to prevent water from dripping directly onto the vibration motor 8; after the straw water control is completed, the telescopic ends of the two telescopic rods 9 are controlled to push the fixed frame 4 upward and move together to the top close to the device body 2, and then the two first rotating shafts 29 are controlled to drive the extrusion plate 10 to rotate and reset inside the device body 2, and then the multiple conveying rollers 5 are controlled to rotate inside the fixed frame 4 to convey the straw on its top to the inside of the device body 2, and it falls on the top of the extrusion plate 10 and accumulates, and then the two second sliders 25 are controlled to move from right to left in the second chute 17. Figure 1 After entering the state shown, the movable plate 20 is controlled to move between the two third chutes 21 to just above the device body 2, and then the screw rod 13 is rotated to drive the first slider 12 to move upward in the first chute, thereby being able to synchronously drive the extrusion plate 10 and the straw piled on its top to move upward together, and cooperate with the movable plate 20 on the top of the device body 2 to squeeze and discharge the straw. After squeezing out the residual moisture inside the straw, it is discharged to the outside of the device body 2 through the two through grooves 11 on the outer wall of the device body 2, thereby achieving the effect of squeezing and discharging the moisture inside the straw.

[0044] After being squeezed and drained, the straw is in a round block shape on the top of the squeezing plate 10. After the squeezing plate 10 is reversed and moved downward by the screw rod 13 to reset, the two first protective plates 26 are controlled to rotate upward to a vertical state, so that the round block of straw can be pushed upward for a distance, and the two second protective plates 27 are controlled to rotate upward at a certain angle together, so that the multiple air outlets 28 inside the groove are exposed, and the hot air generated by the external hot air blower is blown upward to dry the round block of straw again. Finally, the squeezing plate 10 is driven to rotate 90 degrees by controlling the two first rotating shafts 29 to discharge the round block of straw downward, making it convenient for the multiple crushing blades 15 of the crushing mechanism to crush it; It is not necessary to crush all the straw and return it to the field. After the straw is squeezed into a round block by the above-mentioned squeezing plate 10 and the movable plate 20, the two second sliders 25 are controlled to move to the right in the second slide 17, driving the fixed frame 4 to move to the right side of the device body 2, and then the screw rod 13 is continued to be controlled to rotate to drive the squeezing plate 10 and the round block of straw on its top to move upward to the top of the device body 2. Then, the squeezing plate 10 is driven by the two first rotating shafts 29 to rotate downward toward the fixed frame 4, and the round block of straw on its top is poured into the interior of the fixed frame 4 for collection, thereby achieving the effect of automatically baling the straw, and no subsequent staff need to manually bundle it.

[0045] When the multiple air outlets 28 are used to dry the straw at high temperature, the pests and eggs inside the straw can be removed, so as to prevent the pest eggs from continuing to grow in the rice field after the crushing mechanism crushes the straw and returns it to the field, thereby affecting the subsequent planting and growth of rice. When the straw is crushed by the multiple crushing blades 15 of the crushing mechanism, the two first rotating shafts 29 can be controlled to drive the extrusion plate 10 to rotate downward 180 degrees, so that the multiple air outlets 28 rotate to the bottom, and the circular groove 18 at the bottom rotates to the top. The staff can place a catalyst that reacts with the straw and accelerates the decomposition of the straw in the circular groove 18, and through the two first rotating shafts 29 drives the extrusion plate 10 to rotate again to pour it into the device body 2, and then controls the multiple crushing blades 15 to rotate 90 degrees to a vertical state through the second rotating shaft 30. At this time, the rotating rod 14 drives the multiple crushing blades 15 to rotate to mix and stir the catalyst with the crushed straw, so that the catalyst and the crushed straw are evenly mixed, and then controls the two baffles 16 inside the base 1 to move in opposite directions, so that the discharge port is opened to discharge the straw into the rice field, which is conducive to the subsequent rapid decomposition of the straw and avoids manually throwing the catalyst on the surface of the straw, resulting in slower decomposition of the straw.

[0046] After the straw that needs to be crushed and returned to the field is processed, the air outlet 28 of the squeezing plate 10 is still at the bottom. At this time, the hot air discharged from the multiple air outlets 28 can blow off the straw debris on the surface of the crushing blade 15 and discharge it through the discharge port, and can also dry the crushing blade 15 with a wet surface at the same time, so as to avoid the situation that the surface of the crushing blade 15 is wet and easy to rust when the subsequent device body 2 is not used for a long time, thereby extending the service life of the crushing blade 15; after the surface of the crushing blade 15 is dried, the squeezing plate 10 is controlled to rotate and reset. At this time, the multiple air outlets 28 blow hot air upward, and the straw packaged in round blocks can be neatly placed on the top of the fixed frame 4, and then the two connecting pieces 24 are removed from the fixed frame 4, and the two side outer walls of the second slide 17 are removed, and the two second sliders 25 are controlled to move to the center position in the second slide groove 17, and then the two connecting pieces 24 are connected to the mounting holes 23 on the two side outer walls of the fixed frame 4. At this time, the second sliders 25 can be moved back and forth in the second slide groove 17, driving the multiple round blocks of straw placed on the top of the fixed frame 4 to move to the top of the device body 2 in sequence, and the hot air continuously blown upward through the multiple air outlets 28 is used to dry and kill insects on the multiple round blocks of straw, so that the device can dry and kill insects on the straw at the same time during the process of transporting the round blocks of straw. After the device transports the straw to the designated position, the straw is dry and free of pests, which is convenient for long-term storage of the straw.

[0047] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A device for removing residual straw in a rice field, comprising a base (1), characterized in that: The top of the base (1) is provided with a device body (2), the top of the base (1) is provided with a vibration motor (8) near the device body (2), the top of the base (1) is provided with a conveying mechanism for conveying straw to the inside of the device body (2), the inside of the device body (2) is provided with an extrusion mechanism for squeezing and draining the straw and a crushing mechanism for crushing the straw, the extrusion mechanism comprising two fixed rods (6) installed outside the device body (2), the outer walls of the two fixed rods (6) close to the device body (2) are provided with a first chute, the insides of the two first chute are provided with a first slider (12), the inside of the device body (2) is provided with an extrusion plate (10), the outer wall of the extrusion plate (10) is connected to the first slider (12) close to it through two first rotating shafts (29); A screw rod (13) and a slide rod are installed inside the two first slide grooves respectively, and the bottom ends of the screw rod (13) and the slide rod pass through the corresponding first slider (12). The outer wall of the device body (2) near the two fixed rods (6) is provided with a through groove (11) for the two first rotating shafts (29) to move up and down; The top of the extrusion plate (10) is provided with a plurality of grooves, the bottom of the extrusion plate (10) is provided with a circular groove (18), the inner bottom surfaces of the plurality of grooves are all provided with air outlets (28), the interiors of the plurality of grooves are all hinged with a first protective plate (26) and a second protective plate (27) for protecting the plurality of air outlets (28), and the length of the first protective plate (26) is smaller than that of the second protective plate (27); The conveying mechanism comprises two cross bars (3) symmetrically mounted on the top of the base (1), the tops of the two cross bars (3) are each provided with a second chute (17), and the interiors of the two second chute (17) are each provided with a second slider (25); The tops of the two second sliders (25) are both rotatably mounted with telescopic rods (9), and the outer walls of the two telescopic rods (9) on the sides close to each other are both mounted with a fixed frame (4) through a connecting piece (24), and a plurality of conveying rollers (5) are equidistantly mounted inside the fixed frame (4); Both ends of the fixed frame (4) are hinged with stoppers (22), and both side outer walls of the fixed frame (4) are provided with mounting holes (23) adapted to the connecting pieces (24); The inner walls of the fixed frame (4) on both sides close to each other are provided with third sliding grooves (21), and a movable plate (20) matched with the extrusion plate (10) is slidably installed between the two third sliding grooves (21).

2. The device for removing residual straw in rice fields according to claim 1, characterized in that: The pulverizing mechanism comprises a rotating rod (14) arranged inside the device body (2); a discharge outlet adapted to the device body (2) is provided inside the base (1); two baffles (16) for blocking the discharge outlet are slidably mounted inside the base (1); a fixing frame is mounted on the inner wall of the discharge outlet, and the rotating rod (14) is rotatably mounted on the fixing frame.

3. The device for removing residual straw in rice fields according to claim 2, characterized in that: The outer wall of the rotating rod (14) is mounted with a plurality of fixing rings, and the outer walls of the plurality of fixing rings are all rotatably mounted with crushing blades (15) via a plurality of second rotating shafts (30).

4. The device for removing residual straw in rice fields according to claim 1, characterized in that: A driving motor (7) is installed on the top of the base (1), and the output end of the driving motor (7) passes through the base (1) and is rotatably matched with the bottom end of the rotating rod (14) through a belt (19).

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