Rice impurity removing and screening equipment for agricultural production and processing

Abstract

The rice impurity removing and screening equipment for agricultural production and processing comprises a bottom plate, a screening box is fixedly connected to the left side of the top of the bottom plate, a vibration device is fixedly connected to the bottom of an inner cavity of the screening box, a screening and discharging device is fixedly connected to the top of the vibration device, and a recycling opening is formed in the outer wall of the left side of the screening box. A recycling rescreening device is fixedly connected to the position, corresponding to the recycling opening, of the outer wall of the left side of the screening box, a material conveying opening is formed in the right side of the screening box, an impurity removing box is fixedly connected to the position, located on the right side of the screening box, of the top of the bottom plate, and discharging plates are fixedly connected to the inner walls of the two sides of the impurity removing box; and stirring devices are fixedly connected to the inner walls of the two sides of the impurity removal box and located over the discharging plate. The invention provides rice impurity removing and screening equipment for agricultural production and processing. The problem that dust attached to the surface of rice cannot be removed during impurity removing of existing rice impurity removing and screening equipment for agricultural production and processing is solved.

Description

Technical Field

[0001] The invention relates to the field of agricultural production and processing, and in particular to rice impurity removal and screening equipment for agricultural production and processing. Background Art

[0002] Rice impurity removal has many advantages, as follows: Improve the purity and quality of rice: By removing impurities, pure rice can be obtained, thereby improving the quality of the finished rice product. For example, iron nails, iron filings, etc. in rice can be removed by magnets to ensure production safety. If impurities are not removed, they may block the import or export of processing equipment and affect the normal production. Therefore, impurity removal helps to give full play to the process effects of subsequent processes. Improve the sanitary conditions of the production workshop: Initial cleaning is not only conducive to improving sanitary conditions, but also reduces the labor intensity and cost of manual screening and improves production efficiency. By using equipment such as cylindrical cleaning screens, rice straw, stalks, bran and dust can be separated from rice to ensure normal storage of clean grain. Avoid food safety problems: Using high-tech equipment such as grain color sorters can accurately identify and remove impurities, mildew, and discolored particles, thereby improving the quality and safety of grains and avoiding food safety problems caused by impurities. In the process of processing wash-free rice, steps such as impurity removal, bran removal, selection and cleaning can avoid the loss of nutrients and solids during rice washing, while saving water for washing rice. Rice impurity removal not only improves the quality and safety of rice, but also optimizes the production process, reduces labor intensity, and helps save resources and protect the environment. The existing rice impurity removal and screening equipment used in agricultural production and processing cannot remove the dust adhering to the surface of rice during impurity removal, which affects subsequent processing. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a rice impurity removal and screening device for agricultural production and processing, which solves the problem that the existing rice impurity removal and screening device for agricultural production and processing cannot remove dust adhered to the surface of rice during impurity removal, thus affecting subsequent processing.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: A rice impurity removal and screening equipment for agricultural production and processing, comprising a bottom plate, a screening box is fixedly connected to the left position of the top of the bottom plate, a vibrating device is fixedly connected to the bottom of the inner cavity of the screening box, a screening and feeding device is fixedly connected to the top of the vibrating device, a recycling port is provided on the left outer wall of the screening box, a recycling and re-screening device is fixedly connected to the position of the left outer wall of the screening box corresponding to the recycling port, a material transport port is provided on the right side of the screening box, a impurity removal box is fixedly connected to the top of the bottom plate at the right side of the screening box, feeding plates are fixedly connected to the inner walls on both sides of the impurity removal box, and the inner walls on both sides of the impurity removal box are The wall is located just above the unloading plate and is fixedly connected with a stirring device, the inner walls on the left and right sides of the impurity removal box are located just above the stirring device and are fixedly connected with a magnetic suction device, the inner wall on the rear side of the impurity removal box is located just below the unloading plate and is fixedly connected with a cleaning device, the bottom of the inner cavity of the impurity removal box is fixedly connected with a conveyor belt, the top of the bottom plate is located on the right side of the impurity removal box and is fixedly connected with a dust collection box, both sides of the inner wall of the dust collection box are fixedly connected with partitions, the top of the partition is fixedly connected with a dust collection device, the bottom of the partition is fixedly connected with a drying device, and the top of the screening box is fixedly connected with a feeding channel; Preferably, the screening and unloading device comprises a screen, a first sliding block, a first slide rail, a U-shaped plate, a second sliding block, a second slide rail, a connecting plate, a vibrating plate, and a baffle, the screen being fixedly connected to the inner walls of the upper end of the inner cavity of the screening box, the left end of the screen being fixedly connected to the first sliding block, the upper surface of the screen being fixedly connected to the U-shaped plate, the vibrating plate being fixedly connected to the inner walls of the lower end of the inner cavity of the screening box, one end of the vibrating plate passing through the material transport port, the front and rear sides of the upper surface of the vibrating plate being fixedly connected to the connecting plate, the top of the connecting plate being fixedly connected to the screen, the right side of the connecting plate being fixedly connected to the second sliding block, and the upper end of the left inner wall of the screening box being fixedly connected to the first slide rail; the first slide rail is slidably connected to the first sliding block, the lower end of the right inner wall of the screening box is fixedly connected to the second slide rail, the second slide rail is slidably connected to the second sliding block, and the top of the vibrating plate is fixedly connected to the baffle.

[0005] Preferably, the vibration device comprises a vibration box, a vibration motor, a cam, a sliding plate, a compression spring, a push rod, and a support spring. The vibration motor is fixedly connected to the middle of the rear inner wall of the vibration box, the output end of the vibration motor is fixedly connected to the cam through a rotating shaft, the upper surface of the cam is fittedly connected to the sliding plate, the upper surface of the sliding plate is fixedly connected to the push rod, the top end of the push rod passes through the top of the vibration box and is fixedly connected to the lower surface of the vibration plate, the outer side of the lower end of the push rod is sleeved with a compression spring, and the lower surface of the vibration plate is fixedly connected to the bottom inner wall of the screening box through the support spring; Preferably, the recovery and re-screening device includes a transport cylinder, a lifting cylinder, a spiral blade, a transport motor, a first air pump, a recovery pipe, and a recovery cover. The right side of the transport cylinder is fixedly connected to the left outer wall of the screening box and corresponds to the recovery port. The inner wall of the transport cylinder is provided with a spiral blade, and one end of the output shaft of the spiral blade is rotatably connected to the transport motor. The bottom of the lifting cylinder is fixedly connected to the side of the transport cylinder away from the screening box, the interior of the lifting cylinder is arranged together with the transport cylinder, the top of the screening box is fixedly connected to a recovery pipe, the outer surface of the recovery pipe is fixedly connected to the first air pump, the end of the recovery pipe away from the screening box is fixedly connected to a recovery cover, and the recovery cover corresponds to the top of the lifting cylinder.

[0006] Preferably, the stirring device includes a stirring motor, a stirring shaft, and a brush roller. The rear side of the impurity removal box is fixedly connected to the stirring motor. Two stirring motors are provided. The output shafts of the two stirring motors are rotatably connected to the stirring shafts. The outer surface of the stirring shaft is fixedly connected to the brush roller.

[0007] Preferably, the magnetic attraction device includes a driving motor, a screw, a support block, and a magnet. Screws are rotatably connected to the inner walls of the impurity removal box directly above the stirring device on both sides. Two screws are provided, and one end of the two screws is rotatably connected to the driving motor. The outer surface of the screw is threadedly connected to the support block, and the bottom of the support block is fixedly connected to a magnet.

[0008] Preferably, the cleaning device includes a water tank, a water pump, a water inlet pipe, a cleaning pipe, and a water nozzle. The rear side of the impurity removal box is fixedly connected to the water tank, the top of the water tank is fixedly connected to the water pump, the top of the water pump is fixedly connected to the water inlet pipe, and there are several water inlet pipes. One end of the water inlet pipe away from the water pump passes through the rear inner wall of the impurity removal box and is fixedly connected to the cleaning pipe. The bottom of the cleaning pipe is fixedly connected to a water nozzle, and there are several water nozzles.

[0009] Preferably, the dust suction device includes a second air pump, a dust suction pipe, a dust hood, a filter, a sliding frame, a sliding handle, and an air outlet pipe. The second air pump is fixedly connected to the top of the dust suction box, the dust suction pipe is fixedly connected to the top of the second air pump, the end of the dust suction pipe away from the second air pump passes through the top of the debris removal box and is fixedly connected to the dust hood, filters are fixedly connected to both sides of the inner wall of the dust suction box, the right outer wall of the dust suction box is fixedly connected to the air outlet pipe, the top of the partition is slidably connected to the sliding frame, and the sliding handle is fixedly connected to the front side of the sliding frame.

[0010] Preferably, the drying device includes a drying box, a heating rod, a heating wire, an exhaust hole, an exhaust fan, and an intake duct. The bottom of the partition is fixedly connected to the drying box, one side outer wall of the drying box is fixedly connected to the intake duct, the two sides of the inner wall of the drying box are fixedly connected to the heating rod, the outer surface of the heating rod is sleeved with a heating wire, the bottom of the drying box is provided with an exhaust hole, and the exhaust fan is embedded in the exhaust hole.

[0011] Preferably, a rotating motor is rotatably connected to the outer side of the transmission shaft of the conveyor belt, a feed port is opened on the left outer wall of the dust collection box corresponding to the position of the conveyor belt, and a discharge port is opened on the right outer wall of the dust collection box.

[0012] The present invention provides a rice impurity removal and screening device for agricultural production and processing. It has the following beneficial effects: 1) The rice impurity removal and screening equipment for agricultural production and processing is provided with a vibration device. The staff first puts the rice to be processed into the screening box through the feeding channel, and then connects the vibration motor to the external power supply through a wire. After starting the vibration motor, the vibration motor can drive the cam to rotate. The cam will push the sliding plate to move upward during the rotation in the direction close to the middle of the lower surface of the sliding plate. The sliding plate can drive the push rod to move upward. The push rod pushes the vibration plate upward during the upward movement. The sliding plate can squeeze the compression spring during the upward movement. The compression spring is squeezed and is in a compressed state. The cam no longer pushes the sliding plate to move upward during the rotation in the direction away from the middle of the lower surface of the sliding plate. At the same time, the sliding plate no longer squeezes the compression spring. The rotation of the cam can make the sliding plate and the push rod move up and down, so that the vibration plate can achieve a vibration effect.

[0013] 2) The rice impurity removal and screening equipment for agricultural production and processing is provided with a screening and feeding device. Since the vibration plate and the screen are fixedly connected by a vertical plate, when the vibration plate vibrates, the vibration plate will drive the screen to vibrate together. In this way, after the motor and the suction fan are started, the rice is poured into the interior of the first box through the feed hopper, and the rice falls on the top of the screen. The U-shaped plate blocks the rice, ensuring that the rice falls on the upper surface of the screen. Small-size rice first falls on the upper surface of the vibration plate through the screen, and then falls into the transport cylinder under the action of gravity. Under the rotation of the spiral blade, the rice is transported to the top of the lifting cylinder through the transport cylinder and the lifting cylinder, and then the first air pump is started. The first air pump drives the recovery pipe to suck the rice into the screening box for re-screening.

[0014] 3) The rice impurity removal and screening equipment for agricultural production and processing is provided with a stirring device, and the rice with large particle size falls on the stirring device through the material delivery port, and then the stirring motor is started, and the stirring motor rotates to drive the stirring shaft to rotate, thereby driving the brush roller to rotate, and the dust adhering to the surface of the rice is scraped off, and then the second air pump is started, and the operation of the second air pump drives the dust suction pipe to work, and the dust in the impurity removal box is sucked into the dust suction box for filtration, and the filtered gas is discharged through the air outlet pipe, and the large particles of impurities fall into the sliding frame, 4) The rice impurity removal and screening equipment for agricultural production and processing is equipped with a cleaning device and a drying device. The stirred rice falls on the top of the transmission through the discharge plate, and then the water pump is started. The water pump draws clean water from the water tank and sprays it through the water nozzle under the cleaning pipe to clean the rice. The washed rice is transported to the bottom of the drying device through the conveyor belt, and then the heating rod is started. The heating rod heats the air and pushes the hot air out through the exhaust fan to dry the rice. The dried rice is transported out through the discharge port and waits for the next processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a partial structural schematic diagram of the present invention; Figure 3 This is a schematic diagram of the structure of the screening and unloading device of the present invention; Figure 4 It is a schematic diagram of the structure of the vibration device of the present invention; Figure 5 This is a schematic diagram of the structure of the stirring device of the present invention; Figure 6 It is a schematic diagram of the structure of the cleaning device of the present invention; Figure 7 It is a schematic diagram of the structure of the dust collecting device of the present invention; Figure 8 It is a schematic diagram of the structure of the drying device of the present invention; Fig. 9 It is a schematic diagram of the structure of the recovery and re-screening device of the present invention.

[0016] In the figure: 1, bottom plate; 2, screening box; 21, material transport port; 22, feeding channel; 3, vibration device; 31, vibration box; 32, vibration motor; 33, cam; 34, sliding plate; 35, compression spring; 36, push rod; 37, support spring; 4, screening unloading device; 41, screen; 42, first sliding block; 43, first slide rail; 44, U-shaped plate; 45, second sliding block; 46, second slide rail; 47, connecting plate; 48, vibration plate; 49, baffle; 5, recovery port; 6, recovery and re-screening device; 61, transport cylinder; 62, lifting cylinder; 63, spiral blade; 64, transport motor; 65, first air pump; 66, recovery pipe; 67, recovery cover; 7, impurity removal box; 9, unloading plate; 10, stirring device; 101, stirring motor; 102, stirring Axis; 103, brush roller; 11, magnetic device; 111, driving motor; 112, screw rod; 113, supporting block; 114, magnet; 12, cleaning device; 121, water storage tank; 122, water pump; 123, water inlet pipe; 124, cleaning pipe; 125, water nozzle; 13, conveyor belt; 131, rotating motor; 132, feed inlet; 133, discharge port; 14, dust suction box; 15, partition; 16, dust suction device; 161, second air pump; 162, dust suction pipe; 163, dust suction hood; 164, filter; 165, sliding frame; 166, sliding handle; 167, air outlet pipe; 17, drying device; 171, drying box; 172, heating rod; 173, heating wire; 174, exhaust hole; 175, exhaust fan; 176, air suction pipe. DETAILED DESCRIPTION

[0017] The following will be combined with the accompanying drawings in the examples of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-9The present invention provides a technical solution: a rice impurity removal and screening equipment for agricultural production and processing, comprising a bottom plate 1, a screening box 2 is fixedly connected to the left position of the top of the bottom plate 1, a vibrating device 3 is fixedly connected to the bottom of the inner cavity of the screening box 2, a screening and feeding device 4 is fixedly connected to the top of the vibrating device 3, a recycling port 5 is opened on the left outer wall of the screening box 2, a recycling and re-screening device 6 is fixedly connected to the position of the left outer wall of the screening box 2 corresponding to the recycling port 5, a material transport port 21 is opened on the right side of the screening box 2, a impurity removal box 7 is fixedly connected to the top of the bottom plate 1 at the right side of the screening box 2, a feeding plate 9 is fixedly connected to the inner walls of both sides of the impurity removal box 7, and a feeding plate 9 is fixedly connected to the two inner walls of the impurity removal box 7. The side inner wall is located just above the unloading plate 9 and is fixedly connected with a stirring device 10, the inner walls on the left and right sides of the impurity removal box 7 are located just above the stirring device 10 and are fixedly connected with a magnetic suction device 11, the rear inner wall of the impurity removal box 7 is located just below the unloading plate 9 and is fixedly connected with a cleaning device 12, the bottom of the inner cavity of the impurity removal box 7 is fixedly connected with a conveyor belt 13, the top of the bottom plate 1 is located on the right side of the impurity removal box 7 and is fixedly connected with a dust collection box 14, both sides of the inner wall of the dust collection box 14 are fixedly connected with partitions 15, the top of the partition 15 is fixedly connected with a dust collection device 16, the bottom of the partition 15 is fixedly connected with a drying device 17, and the top of the screening box 2 is fixedly connected with a feeding channel 22; The screening and unloading device 4 includes a screen 41, a first sliding block 42, a first slide rail 43, a U-shaped plate 44, a second sliding block 45, a second slide rail 46, a connecting plate 47, a vibrating plate 48, and a baffle 49. The screen 41 is fixedly connected to both sides of the inner wall of the upper end of the inner cavity of the screening box 2, the first sliding block 42 is fixedly connected to the left end of the screen 41, the U-shaped plate 44 is fixedly connected to the upper surface of the screen 41, and the vibrating plate 48 is fixedly connected to both sides of the inner wall of the lower end of the inner cavity of the screening box 2. One end of the vibrating plate 48 passes through the material transport port 2 1, the front and rear sides of the upper surface of the vibration plate 48 are fixedly connected with connecting plates 47, the top of the connecting plate 47 is fixedly connected to the screen 41, the right side of the connecting plate 47 is fixedly connected with the second sliding block 45, the upper end of the left inner wall of the screening box 2 is fixedly connected with the first slide rail 43; the first slide rail 43 is slidably connected to the first sliding block 42, the lower end of the right inner wall of the screening box 2 is fixedly connected with the second slide rail 46, the second slide rail 46 is slidably connected to the second sliding block 45, and the top of the vibration plate 48 is fixedly connected with a baffle 49.

[0019] The vibration device 3 includes a vibration box 31, a vibration motor 32, a cam 33, a sliding plate 34, a compression spring 35, a push rod 36, and a support spring 37. The vibration motor 32 is fixedly connected to the middle of the rear inner wall of the vibration box 31, and the output end of the vibration motor 32 is fixedly connected to the cam 33 through a rotating shaft. The upper surface of the cam 33 is fitted with the sliding plate 34, and the upper surface of the sliding plate 34 is fixedly connected to the push rod 36. The top end of the push rod 36 passes through the top of the vibration box 31 and is fixedly connected to the lower surface of the vibration plate 48. The compression spring 35 is sleeved on the outer side of the lower end of the push rod 36, and the lower surface of the vibration plate 48 is fixedly connected to the inner wall of the bottom end of the screening box 2 through the support spring 37. The recovery and re-screening device 6 includes a transport cylinder 61, a lifting cylinder 62, a spiral blade 63, a transport motor 64, a first air pump 65, a recovery pipe 66, and a recovery cover 67. The right side of the transport cylinder 61 is fixedly connected to the left outer wall of the screening box 2 and corresponds to the recovery port 5. The inner wall of the transport cylinder 61 is provided with a spiral blade 63, and one end of the output shaft of the spiral blade 63 is rotatably connected to the transport motor 64. The bottom of the lifting cylinder 62 is fixedly connected to the side of the transport cylinder 61 away from the screening box 2, and the inside of the lifting cylinder 62 is arranged in the same manner as the transport cylinder. The top of the screening box 2 is fixedly connected to a recovery pipe 66, and the outer surface of the recovery pipe 66 is fixedly connected to the first air pump 65. The end of the recovery pipe 66 away from the screening box 2 is fixedly connected to the recovery cover 67, and the recovery cover 67 corresponds to the top of the lifting cylinder 62.

[0020] The stirring device 10 includes a stirring motor 101, a stirring shaft 102, and a brush roller 103. The stirring motor 101 is fixedly connected to the rear side of the impurity removal box 7. Two stirring motors 101 are provided. The output shafts of the two stirring motors 101 are rotatably connected to the stirring shafts 102. The outer surface of the stirring shaft 102 is fixedly connected to the brush roller 103.

[0021] The magnetic attraction device 11 includes a driving motor 111, a screw rod 112, a support block 113, and a magnet 114. The screw rods 112 are rotatably connected to the inner walls of the impurity removal box 7 directly above the stirring device 10. Two screw rods 112 are provided, and one end of the two screw rods 112 is rotatably connected to the driving motor 111. The outer surface of the screw rod 112 is threadedly connected to the support block 113, and the bottom of the support block 113 is fixedly connected to the magnet 114.

[0022] The cleaning device 12 includes a water tank 121, a water pump 122, a water inlet pipe 123, a cleaning pipe 124, and a water nozzle 125. The water tank 121 is fixedly connected to the rear side of the impurity removal box 7, the water pump 122 is fixedly connected to the top of the water tank 121, the water inlet pipe 123 is fixedly connected to the top of the water pump 122, and there are several water inlet pipes 123. One end of the water inlet pipe 123 away from the water pump 122 passes through the rear inner wall of the impurity removal box 7 and is fixedly connected to the cleaning pipe 124. The bottom of the cleaning pipe 124 is fixedly connected to a water nozzle 125, and there are several water nozzles 125.

[0023] The dust suction device 16 includes a second air pump 161, a dust suction pipe 162, a dust hood 163, a filter 164, a sliding frame 165, a sliding handle 166, and an air outlet pipe 167. The second air pump 161 is fixedly connected to the top of the dust suction box 14, the dust suction pipe 162 is fixedly connected to the top of the second air pump 161, the end of the dust suction pipe 162 away from the second air pump 161 passes through the top of the debris removal box 7 and is fixedly connected to the dust suction hood 163, the filter 164 is fixedly connected to both sides of the inner wall of the dust suction box 14, the air outlet pipe 167 is fixedly connected to the right outer wall of the dust suction box 14, the sliding frame 165 is slidably connected to the top of the partition 15, and the sliding handle 166 is fixedly connected to the front side of the sliding frame 165.

[0024] The drying device 17 includes a drying box 171, a heating rod 172, a heating wire 173, an exhaust hole 174, an exhaust fan 175, and an intake pipe 176. The drying box 171 is fixedly connected to the bottom of the partition 15, the intake pipe 176 is fixedly connected to the outer wall of one side of the drying box 171, the heating rod 172 is fixedly connected to both sides of the inner wall of the drying box 171, the outer surface of the heating rod 172 is sleeved with a heating wire 173, the exhaust hole 174 is opened at the bottom of the drying box 171, and the exhaust fan 175 is embedded in the exhaust hole 174.

[0025] A rotating motor 131 is rotatably connected to the outer side of the transmission shaft of the conveyor belt 13 , a feed port 132 is opened on the left outer wall of the dust collection box 14 corresponding to the position of the conveyor belt 13 , and a discharge port 133 is opened on the right outer wall of the dust collection box 14 .

[0026] When in use, the staff first puts the rice to be processed into the screening box 2 through the feeding channel 22, and then connects the vibration motor 32 to the external power supply through a wire. After starting the vibration motor 32, the vibration motor 32 can drive the cam 33 to rotate. The cam 33 will push the sliding plate 34 to move upward during the rotation in the direction close to the middle of the lower surface of the sliding plate 34. The sliding plate 34 can drive the push rod 36 to move upward. The push rod 36 pushes the vibration plate 48 to move upward during the upward movement. The sliding plate 34 can squeeze the compression spring 35 during the upward movement. The compression spring 35 is squeezed and is in a compressed state. The cam 33 no longer pushes the sliding plate 34 to move upward during the rotation in the direction away from the middle of the lower surface of the sliding plate 34. When the cam 33 rotates, the sliding plate 34 and the push rod 36 move up and down, thereby enabling the vibration plate 48 to achieve a vibration effect. Since the vibration plate 48 is fixedly connected to the screen 41 through the connecting plate 47, when the vibration plate 48 vibrates, the vibration plate 48 will drive the screen 41 to vibrate together, and the rice will be The U-shaped plate 44 blocks the rice and ensures that the rice falls on the upper surface of the screen 41. The small-sized rice passes through the screen 41 and first falls on the upper surface of the vibration plate 48, and then falls into the transport cylinder 61 under the action of gravity. The rice is transported to the top of the lifting cylinder 62 through the transport cylinder 61 and the lifting cylinder 62 under the rotation of the spiral blade 63. Then the first air pump 65 is started, and the first air pump 65 drives the recovery pipe 66 to suck the rice into the screening box 2 for re-screening. The large-sized rice falls on the stirring device 10 through the material transport port 21, and then the stirring motor 101 is started. The stirring motor 101 rotates to drive the stirring shaft 102 to rotate, thereby driving the brush roller 103 to rotate, and the dust adhering to the surface of the rice is scraped off. Then the second air pump 161 is started, and the operation of the second air pump 161 drives the dust suction pipe 162 to work, so that the dust in the impurity removal box 7 is sucked into the dust suction box 14 for filtration, and the filtered gas is discharged through the air outlet pipe 167, and large particles of debris fall into the sliding frame 165. The stirred rice falls on the top of the conveyor belt 13 through the unloading plate 9, and then the water pump 122 is started, and the water pump 122 draws clean water from the water storage tank 121 and sprays it through the water nozzle 125 under the cleaning pipe 124 to clean the rice. The cleaned rice is transported to the bottom of the drying device 17 through the conveyor belt 13, and then the heating rod 172 is started, and the heating rod 172 heats the air and pushes the hot air out through the exhaust fan 175 to dry the rice, and the dried rice is transported out through the discharge port 133.Waiting for the next processing.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including 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 device. In the absence of further restrictions. The sentence "includes an element defined by..." does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0028] 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 rice impurity removal and screening device for agricultural production and processing, comprising a bottom plate (1), characterized in that: A screening box (2) is fixedly connected to the left side of the top of the bottom plate (1), a vibrating device (3) is fixedly connected to the bottom of the inner cavity of the screening box (2), a screening discharge device (4) is fixedly connected to the top of the vibrating device (3), a recovery port (5) is provided on the left side outer wall of the screening box (2), a recovery re-screening device (6) is fixedly connected to the position of the left side outer wall of the screening box (2) corresponding to the recovery port (5), a material transport port (21) is provided on the right side of the screening box (2), a dust removal box (7) is fixedly connected to the top of the bottom plate (1) at the right side of the screening box (2), a discharge plate (9) is fixedly connected to the inner walls on both sides of the dust removal box (7), and a stirring device (21) is fixedly connected to the inner walls on both sides of the dust removal box (7) located directly above the discharge plate (9). The device (10) includes a magnetic device (11) fixedly connected to the inner walls of the left and right sides of the impurity removal box (7) located just above the stirring device (10), a cleaning device (12) fixedly connected to the inner wall of the rear side of the impurity removal box (7) located just below the unloading plate (9), a conveyor belt (13) fixedly connected to the bottom of the inner cavity of the impurity removal box (7), a dust collection box (14) fixedly connected to the top of the bottom plate (1) located on the right side of the impurity removal box (7), partitions (15) fixedly connected to the inner walls of the dust collection box (14), a dust collection device (16) fixedly connected to the top of the partition (15), a drying device (17) fixedly connected to the bottom of the partition (15), and a feeding channel (22) fixedly connected to the top of the screening box (2); The screening and unloading device (4) comprises a screen (41), a first sliding block (42), a first slide rail (43), a U-shaped plate (44), a second sliding block (45), a second slide rail (46), a connecting plate (47), a vibration plate (48), and a baffle (49); the screen (41) is fixedly connected to both sides of the inner wall of the upper end of the inner cavity of the screening box (2); the first sliding block (42) is fixedly connected to the left end of the screen (41); the U-shaped plate (44) is fixedly connected to the upper surface of the screen (41); the vibration plate (48) is fixedly connected to both sides of the inner wall of the lower end of the inner cavity of the screening box (2); one end of the vibration plate (48) passes through the material transport port (21). The front and rear sides of the upper surface of the vibration plate (48) are fixedly connected to connecting plates (47); the top of the connecting plate (47) is fixedly connected to the screen (41); the right side of the connecting plate (47) is fixedly connected to a second sliding block (45); the upper end of the left inner wall of the screening box (2) is fixedly connected to a first sliding rail (43); the first sliding rail (43) is slidably connected to the first sliding block (42); the lower end of the right inner wall of the screening box (2) is fixedly connected to a second sliding rail (46); the second sliding rail (46) is slidably connected to the second sliding block (45); and the top of the vibration plate (48) is fixedly connected to a baffle (49).

2. The rice impurity removal and screening equipment for agricultural production and processing according to claim 1 is characterized by: The vibration device (3) comprises a vibration box (31), a vibration motor (32), a cam (33), a sliding plate (34), a compression spring (35), a push rod (36), and a support spring (37). The vibration motor (32) is fixedly connected to the middle of the rear inner wall of the vibration box (31). The output end of the vibration motor (32) is fixedly connected to the cam (33) via a rotating shaft. The upper surface of the cam (33) is fittedly connected to the sliding plate (34). The upper surface of the sliding plate (34) is fixedly connected to the push rod (36). The top end of the push rod (36) passes through the top end of the vibration box (31) and is fixedly connected to the lower surface of the vibration plate (48). The compression spring (35) is sleeved on the outer side of the lower end of the push rod (36). The lower surface of the vibration plate (48) is fixedly connected to the inner wall of the bottom end of the screening box (2) via the support spring (37).

3. The rice impurity removal and screening equipment for agricultural production and processing according to claim 2 is characterized by: The recovery and rescreening device (6) comprises a transport cylinder (61), a lifting cylinder (62), a spiral blade (63), a transport motor (64), a first air pump (65), a recovery pipe (66), and a recovery cover (67). The right side of the transport cylinder (61) is fixedly connected to the left outer wall of the screening box (2) and corresponds to the recovery port (5). The inner wall of the transport cylinder (61) is provided with a spiral blade (63). One end of the output shaft of the spiral blade (63) is rotatably connected to the transport motor (64). The bottom of the lifting cylinder (62) is fixedly connected to a side of the transport cylinder (61) away from the screening box (2). The top of the screening box (2) is fixedly connected to the recovery pipe (66). The outer surface of the recovery pipe (66) is fixedly connected to the first air pump (65). One end of the recovery pipe (66) away from the screening box (2) is fixedly connected to the recovery cover (67). The recovery cover (67) corresponds to the top of the lifting cylinder (62).

4. The rice impurity removal and screening equipment for agricultural production and processing according to claim 3 is characterized by: The stirring device (10) comprises a stirring motor (101), a stirring shaft (102), and a brush roller (103); the stirring motor (101) is fixedly connected to the rear side of the impurity removal box (7); two stirring motors (101) are provided; the output shafts of the two stirring motors (101) are rotatably connected to the stirring shafts (102); and the brush roller (103) is fixedly connected to the outer surface of the stirring shaft (102).

5. The rice impurity removal and screening equipment for agricultural production and processing according to claim 4 is characterized in that: The magnetic attraction device (11) comprises a driving motor (111), a screw rod (112), a support block (113), and a magnet (114); the screw rods (112) are rotatably connected to the inner walls of the impurity removal box (7) located directly above the stirring device (10); two screw rods (112) are provided, one end of each of the two screw rods (112) is rotatably connected to the driving motor (111); the outer surface of the screw rod (112) is threadedly connected to the support block (113); and the bottom of the support block (113) is fixedly connected to the magnet (114).

6. The rice impurity removal and screening equipment for agricultural production and processing according to claim 5 is characterized by: The cleaning device (12) comprises a water storage tank (121), a water pump (122), a water inlet pipe (123), a cleaning pipe (124), and a water spray head (125); the rear side of the impurity removal box (7) is fixedly connected to the water storage tank (121); the top of the water storage tank (121) is fixedly connected to the water pump (122); the top of the water pump (122) is fixedly connected to the water inlet pipe (123); a plurality of the water inlet pipes (123) are provided; one end of the water inlet pipe (123) away from the water pump (122) passes through the rear inner wall of the impurity removal box (7) and is fixedly connected to the cleaning pipe (124); the bottom of the cleaning pipe (124) is fixedly connected to the water spray head (125); a plurality of the water spray heads (125) are provided.

7. The rice impurity removal and screening equipment for agricultural production and processing according to claim 6 is characterized by: The dust suction device (16) comprises a second air pump (161), a dust suction pipe (162), a dust hood (163), a filter (164), a sliding frame (165), a sliding handle (166), and an air outlet pipe (167). The second air pump (161) is fixedly connected to the top of the dust suction box (14). The dust suction pipe (162) is fixedly connected to the top of the second air pump (161). An end of the dust suction pipe (162) away from the second air pump (161) passes through the top of the debris removal box (7) and is fixedly connected to the dust hood (163). The filter (164) is fixedly connected to both sides of the inner wall of the dust suction box (14). The air outlet pipe (167) is fixedly connected to the right outer wall of the dust suction box (14). The sliding frame (165) is slidably connected to the top of the partition (15). The sliding handle (166) is fixedly connected to the front side of the sliding frame (165).

8. The rice impurity removal and screening equipment for agricultural production and processing according to claim 7 is characterized by: The drying device (17) comprises a drying box (171), a heating rod (172), a heating wire (173), an exhaust hole (174), an exhaust fan (175), and an air intake pipe (176); the drying box (171) is fixedly connected to the bottom of the partition (15); the air intake pipe (176) is fixedly connected to the outer wall of one side of the drying box (171); the heating rod (172) is fixedly connected to both sides of the inner wall of the drying box (171); the outer surface of the heating rod (172) is sleeved with a heating wire (173); the exhaust hole (174) is opened at the bottom of the drying box (171); and the exhaust fan (175) is embedded in the exhaust hole (174).

9. The rice impurity removal and screening equipment for agricultural production and processing according to claim 8, characterized in that: A rotating motor (131) is rotatably connected to the outer side of the transmission shaft of the conveyor belt (13), a feed port (132) is provided on the left outer wall of the dust collection box (14) at a position corresponding to the conveyor belt (13), and a discharge port (133) is provided on the right outer wall of the dust collection box (14).

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