A rapeseed impurity removing and screening integrated device and method thereof

Abstract

The application relates to the technical field of seed screening, in particular to a rapeseed impurity removing and screening integrated device and method, which comprises a fine screening barrel and a coarse screening barrel, the coarse screening barrel is rotationally connected with a supporting mechanism through a coarse screening barrel rotating motor, the middle part of the coarse screening barrel is provided with a coarse screening net, the inside of the fine screening barrel is rotationally provided with a fine screening mechanism, the fine screening mechanism comprises a special-shaped fine screening frame and a fine screening frame driving motor, the fine screening frame driving motor is used for rotating the special-shaped fine screening frame, and one end of the fine screening barrel is connected with a brine recovery tank through a water pump. The rapeseed is put into the inside of the coarse screening barrel, coarse screening is carried out under the action of the coarse screening barrel, then main screening is carried out through the main net screen on the supporting mechanism, and finally dry fine screening is carried out under the action of the fine screening mechanism in the inside of the fine screening barrel, the large-particle impurities in the rapeseed can be gradually screened, the seeds are sterilized during wet fine screening, and the quality of the fine screening is improved.

Description

Technical Field

[0001] The present invention relates to an impurity removal and screening device and method thereof, in particular to an integrated impurity removal and screening device for rapeseed seeds and method thereof, belonging to the technical field of seed screening. Background Art

[0002] In order to remove impurities in rapeseed seeds and improve the quality of rapeseed seeds, it is necessary to sort the rapeseed seeds. After collection, the rapeseed seeds contain not only larger debris such as soil blocks, stems, leaves, and empty shells, but also fine soil that is difficult to separate. Therefore, the seeds need to be screened to obtain pure seeds.

[0003] For rapeseed seeds, the screening device in the existing technology can only perform single screening, in other words, it only screens once, and the screening is not thorough. Moreover, the existing cleaning equipment mostly puts the seeds directly into the cleaning basin and then cleans them manually. The cleaning effect is poor and cannot meet the screening needs of rapeseed seeds, and the screening quality cannot be guaranteed. In addition, since rapeseed seeds need to be sown after cleaning, the germination rate needs to be guaranteed. Some pathogens and insect eggs will adhere to the surface of the seeds, and the seeds may be attacked by pests and diseases during germination and growth. The traditional screening device cannot select shriveled seeds, so the quality of the seeds is affected during the screening process.

[0004] Therefore, it is urgent to improve the rapeseed seed impurity removal and screening device to solve the above-mentioned problems. Summary of the Invention

[0005] The purpose of the present invention is to provide an integrated device for removing impurities and screening of rapeseed seeds and a method thereof. The rapeseed seeds are put into the interior of a coarse screening barrel, coarsely screened under the action of the coarse screening barrel, and then main screening is performed through the main mesh screen on the supporting mechanism. Finally, dry fine screening is performed under the action of the fine screening mechanism inside the fine screening barrel. The rapeseed seeds can be screened step by step, and the seeds can be sterilized while being screened by wet fine screening, thereby improving the quality of fine screening.

[0006] In order to achieve the above objectives, the main technical solutions adopted by the present invention include:

[0007] A rapeseed seed impurity removal and screening integrated device comprises a fine screening barrel and a coarse screening barrel rotatably arranged on the fine screening barrel, the coarse screening barrel is rotatably connected to a support mechanism through a coarse screening barrel adjusting motor, a mesh screen slot is provided in the middle of the coarse screening barrel, a coarse screen mesh is fixedly arranged on the mesh screen slot, the support mechanism comprises a support fixed connection block and a support movable connection block, the support fixed connection block and the support movable connection block are rotatably connected through the coarse screening barrel adjusting motor, a main screen support arm is fixedly arranged on the support fixed connection block, a main mesh screen is fixedly arranged on the main screen support arm, and the main mesh screen is arranged just below the coarse screening barrel;

[0008] The fine screening barrel is internally rotatably provided with a fine screening mechanism, the fine screening mechanism comprises a special-shaped fine screening frame and a fine screening frame drive motor, the fine screening frame drive motor is used to rotate the special-shaped fine screening frame, the special-shaped fine screening frame is fixedly provided with a fine screening network, the fine screening network comprises a fine screening large-hole mesh screen, a fine screening medium-hole mesh screen and a fine screening small-hole mesh screen, the aperture of the fine screening large-hole mesh screen is smaller than the diameter of rapeseed seeds, and the interiors of the fine screening large-hole mesh screen, the fine screening medium-hole mesh screen and the fine screening small-hole mesh screen are all fixedly provided with a number of evenly distributed heating rods;

[0009] One end of the fine screening barrel is connected to a brine recovery tank via a water pump, and the brine recovery tank is arranged just below the fine screening barrel.

[0010] Preferably, the output shaft of the fine screening frame driving motor passes through one end of the fine screening barrel and is fixedly connected to the fine screening mechanism, the radius of the fine screening large-pore mesh screen matches the inner diameter of the fine screening barrel and is rotatably arranged inside the fine screening barrel, a fine screening barrel feed port is provided at the upper end of the fine screening barrel, the fine screening barrel feed port corresponds to the bottom of the supporting mechanism, a drainage notch is provided at the end of the fine screening barrel away from the fine screening frame driving motor, and the upper side surface of the drainage notch is lower than the upper port of the fine screening barrel feed port;

[0011] When salt water is added by the water pump, the liquid level of the salt water is lower than the upper side of the drainage notch.

[0012] Preferably, a rotation slot is provided on the upper side of the supporting movable connection block, and a drive motor slot is provided on the supporting movable connection block below the rotation slot, and the drive motor slot is communicated with the rotation slot;

[0013] One side of the supporting movable connecting block is connected to a supporting ring through a plurality of supporting guide rods, and the coarse screen barrel is rotatably arranged in the rotating groove or the interior of the supporting ring.

[0014] Preferably, a coarse screen bucket rotating motor is fixedly installed inside the driving motor slot, a driving gear is provided at the output end of the coarse screen bucket rotating motor, a fine screen bucket driven gear is fixedly provided at one end of the coarse screen bucket, the fine screen bucket driven gear is meshed and connected with the driving gear, and the driving gear is used to rotate the fine screen bucket driven gear.

[0015] Preferably, a fine screening barrel rotating motor is fixedly provided on one side of the fine screening barrel, and the fine screening barrel rotating motor is fixedly provided on the brine recovery tank through a recovery tank connecting arm, and a rotor connecting plate is provided at the output end of the fine screening barrel rotating motor, and the rotor connecting plate is connected to the outer side surface of the fine screening barrel through a fine screening barrel fixing rod and fixed by fastening bolts;

[0016] A support arm is fixedly provided on the rotor connecting plate, a drive motor fixing plate is fixedly provided on the upper side of the support arm, and the fine screen frame drive motor is fixedly provided on the drive motor fixing plate.

[0017] Preferably, the bottom of the support mechanism is connected to a support connecting rod, and the support connecting rod is fixedly connected to the support arm;

[0018] A waste guide block is fixedly provided on the outer side surface of the support connecting rod, and a waste guide groove corresponding to one end of the coarse screening barrel is opened on the waste guide block.

[0019] Preferably, a vibration motor is fixedly provided on the special-shaped fine screening frame inside the fine screening mechanism.

[0020] Preferably, the supporting movable connection block is fixedly connected to the stator of the coarse screen bucket regulating motor, and the rotor of the coarse screen bucket regulating motor is fixedly connected to the supporting fixed connection block;

[0021] A symmetrically distributed main screen protection plate is provided on the upper side of the main screen support arm, and the coarse screen barrel is rotatably arranged inside the main screen protection plate.

[0022] Preferably, the water pump is fixedly arranged on the upper side of the drive motor fixing plate, the water pump is connected to the brine recovery tank through a water inlet pipe, and the water pump is connected to the interior of the fine screening barrel through a water pumping pipe.

[0023] A screening method for a rapeseed seed impurity removal and screening integrated device comprises the following steps:

[0024] Step 1: Coarse screening process: collect the rapeseed seeds after threshing and set them aside. Then adjust the coarse screening barrel to a certain angle through the coarse screening barrel adjustment motor, and the angle range is 10-20 degrees.

[0025] Then put the rapeseed seeds into the coarse screen barrel, and start the coarse screen barrel rotating motor inside the drive motor slot, and drive the fine screen barrel driven gear on the coarse screen barrel through the driving gear to make the coarse screen barrel rotate. During the rotation, the rapeseed seeds are screened into the supporting mechanism through the coarse screen mesh. While the coarse screen barrel rotates, large particles of impurities pass through the coarse screen barrel and fall onto the waste guide block, and then fall into the waste bin through the waste guide slot for main screening;

[0026] Step 2: Main screening process: after the rapeseed seeds pass through the coarse screen, they fall on the upper side of the main screen due to gravity, and then fall into the interior of the fine screen barrel through the main screen;

[0027] Since rapeseed seeds have a certain quality, the seeds that fail to pass through the main mesh screen will bounce on the surface of the main mesh screen and eventually pass through the main mesh screen into the fine screening barrel, and clean the remaining impurities on the main mesh screen;

[0028] Step three: fine screening treatment, after filtering through the main screen, the rapeseed and small particle impurities will fall into the inside of the vibration motor, dry and wet fine screening is carried out;

[0029] The dry fine screening is specifically: the special-shaped fine screening frame is rotated through the fine screening frame driving motor, and the opening of the special-shaped fine screening frame is upward, after the rapeseed and small particle impurities enter the inside of the fine screening barrel, the impurities with a diameter smaller than the fine screening frame driving motor and a larger gravity enter the inside of the fine screening barrel, and the screening is more sufficient through rotating the special-shaped fine screening frame;

[0030] The wet fine screening is specifically: salt water is added to the inside of the fine screening barrel through the water pump, the liquid surface of the added liquid is to the drainage gap, and the rapeseed and shriveled seeds after dry fine screening float on the salt water liquid surface under the action of buoyancy;

[0031] Then, the special-shaped fine screening frame is rotated by starting the fine screening frame driving motor, in the process of rotation, the fine screening large hole screen is first rotated upward and covers on the rapeseed, when the fine screening middle hole screen is rotated to the upper side of the seed, the shriveled seed and the impurities with a lighter quality are still in a floating state through the fine screening middle hole screen;

[0032] The fine screening barrel is tilted by starting the fine screening barrel rotating motor, and the salt water is poured into the inside of the salt water recovery tank through the drainage gap, the shriveled seed and the impurities with a lighter quality enter the inside of the salt water recovery tank together with the salt water, and the wet fine screening is completed;

[0033] Step four: drying treatment, after the screening is completed, the rapeseed after fine screening is collected on the fine screening network through the fine screening frame driving motor, and then the rapeseed is dried through the heating rod in the inside of the fine screening network;

[0034] Step five: collection, the rapeseed is collected after drying is completed.

[0035] The present application at least has the following beneficial effects:

[0036] 1. When the rapeseed seeds and small particles of impurities enter the interior of the fine screening barrel together, the small particles of impurities with large gravity directly enter the bottom of the fine screening mechanism. After the addition of brine, impurities with low density, such as shriveled rapeseed seeds, float on the liquid surface of the brine. At this time, the fine screen frame is driven by the fine screen frame drive motor to rotate, and the large-hole mesh screen on the fine screen group will first rotate to the top of the seeds. As the special-shaped fine screen frame rotates, the medium-hole mesh screen of the fine screen will squeeze the seeds floating on the surface of the brine downward. Since the aperture of the fine screen group is smaller than the diameter of high-quality seeds, the shriveled and incomplete seeds will pass through the fine screen group and float on the surface of the brine again. Then the fine screen barrel can be tilted to pour out the brine. Therefore, the rapeseed seeds can be gradually filtered and the quality of the fine screening can be improved.

[0037] 2. Add brine to the interior of the fine screening barrel through a water pump, and add the liquid level to the drainage notch. The dry rapeseed seeds after fine screening and the shriveled seeds float on the brine surface under the action of buoyancy, and then start the fine screening frame drive motor to rotate the special-shaped fine screening frame. During the rotation process, the large-hole fine screen first rotates upward and covers the rapeseed seeds. When the medium-hole fine screen rotates to just above the seeds, the shriveled seeds and lighter impurities will pass through the medium-hole fine screen and remain in a floating state. The fine screen frame drive motor rotates the special-shaped fine screen frame multiple times to achieve the purpose of cleaning the rapeseed seeds. After cleaning and impurity removal, start the fine screen barrel rotation motor to tilt the fine screen barrel, and pour the brine into the brine recovery tank through the drainage notch. The shriveled seeds and lighter impurities follow the brine into the brine recovery tank together, completing the wet fine screening.

[0038] 3. The dust and soil attached to the rapeseed seeds can also be removed by wet screening. Wet screening with salt water can, on the one hand, have a certain bactericidal effect, which can kill some pathogens and insect eggs attached to the surface of the seeds, reduce the possibility of seeds being attacked by pests and diseases during germination and growth, and prevent seedling diseases to a certain extent. On the other hand, it can increase the buoyancy by increasing the density, which is convenient for wet screening of rapeseed seeds, and can also clean the rapeseed seeds to improve the appearance of the rapeseed seeds.

[0039] 4. A coarse screen barrel rotating motor is fixedly provided inside the driving motor slot. After the coarse screen barrel rotating motor is started, the coarse screen barrel is driven to rotate by the driving gear. After the coarse screen barrel rotates, the rapeseed seeds inside the coarse screen barrel enter the fine screen barrel through the coarse screen on the mesh screen slot. The structure is simple and the efficiency of impurity removal is improved. A waste guide block is fixedly provided on the supporting connecting rod. After the coarse screen barrel is tilted, the filtered impurities slide out through the waste guide groove on the waste guide block, which is convenient for unified recovery and cleaning of impurities and saves a lot of manpower and material resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0041] Figure 1 A perspective view of the present invention;

[0042] Figure 2 A partial cross-sectional view of the present invention Figure 1 ;

[0043] Figure 3 The fine screening mechanism structure of the present invention Figure 1 ;

[0044] Figure 4 The fine screening mechanism structure of the present invention Figure 2 ;

[0045] Figure 5 The support structure of the present invention Figure 1 ;

[0046] Figure 6 The support structure of the present invention Figure 2 ;

[0047] Figure 7 A perspective view of a coarse screen barrel according to the present invention;

[0048] Figure 8 It is a partial structural diagram of the present invention;

[0049] Figure 9 A partial cross-sectional view of the present invention Figure 2 ;

[0050] Figure 10 It is the front view of the present invention.

[0051] In the figure, 1, fine sieve barrel; 101, fine sieve barrel feed inlet; 102, drainage gap; 2, coarse sieve barrel; 201, mesh sieve groove; 202, coarse sieve mesh; 203, fine sieve barrel driven gear; 3, fine sieve mechanism; 301, special-shaped fine sieve frame; 302, fine sieve frame driving motor; 303, fine sieve group mesh; 3031, fine sieve large-hole mesh sieve; 3032, fine sieve medium-hole mesh sieve; 3033, fine sieve small-hole mesh sieve; 304, heating rod; 4, support mechanism; 401, support fixed connecting block; 402, support movable connecting block; 403, coarse sieve barrel adjusting motor; 404, driving motor groove; 405, main sieve support arm; 406, main mesh sieve; 407, main sieve protection plate; 408, support connecting rod; 409, rotating groove; 410, support guide rod; 411, support ring; 5, coarse sieve barrel rotating motor; 501, driving gear; 6, fine sieve barrel rotating motor; 601, rotor connecting plate; 602, fine sieve barrel fixing rod; 603, fastening bolt; 604, support arm; 605, driving motor fixing plate; 606, recovery box connecting arm; 7, water pump; 701, water inlet pipe; 702, water suction pipe; 8, waste material flow guide block; 801, waste material flow guide groove; 9, brine recovery box; 10, vibration motor. DETAILED DESCRIPTION

[0052] The embodiments of the present application will be described in detail with the accompanying drawings and examples, so that the realization process of how to apply technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

[0053] As Figures 1-10As shown, the rapeseed seed impurity removal and screening integrated device provided in this embodiment includes a fine screening barrel 1 and a coarse screening barrel 2 rotatably arranged on the above-mentioned fine screening barrel 1, the coarse screening barrel 2 is rotatably connected to the support mechanism 4 through the coarse screening barrel adjusting motor 403, a mesh screen slot 201 is opened in the middle of the coarse screening barrel 2, a coarse screen 202 is fixedly arranged on the mesh screen slot 201, the support mechanism 4 includes a support fixed connection block 401 and a support movable connection block 402, the support fixed connection block 401 and the support movable connection block 402 are rotatably connected through the coarse screening barrel adjusting motor 403, and the support fixed connection block 40 1 is fixedly provided with a main screen support arm 405, and a main mesh screen 406 is fixedly provided on the main screen support arm 405. The main mesh screen 406 is arranged just below the coarse screen barrel 2, and the coarse screen barrel 2 is arranged on the supporting movable connecting block 402. That is to say, after the coarse screen barrel regulating motor 403 is started, the supporting movable connecting block 402 can drive the coarse screen barrel 2 to rotate. The supporting movable connecting block 402 is fixedly connected to the stator of the coarse screen barrel regulating motor 403, and the rotor of the coarse screen barrel regulating motor 403 is fixedly connected to the supporting fixed connecting block 401. When the coarse screen barrel regulating motor 403 is started, the coarse screen barrel 2 is rotated by the supporting movable connecting block 402. The stator is fixed to the supporting movable connecting block 402 and the rotor is fixed to the supporting fixed connecting block 401. When the motor is working, the stator and the rotor produce relative movement, so that the supporting movable connecting block 402 rotates relative to the supporting fixed connecting block 401, thereby driving the coarse screen bucket 2 connected thereto to rotate. The upper side of the main screen support arm 405 is provided with symmetrically distributed main screen protection plates 407. The coarse screen bucket 2 is rotatably arranged through the support ring 411 and the rotating groove 409 and is located between the main screen protection plates 407. The coarse screen bucket 2 is rotatably connected through the support ring 411 and the rotating groove 409. The support ring 411 is fixedly connected to the supporting movable connecting block 402 through the supporting guide rod 410, ensuring the stability of the coarse screen barrel 2 during rotation. While removing impurities from the rapeseed seeds, it can also remove larger impurities in the rapeseed seeds, such as straw mixed in the rapeseed seeds. It has a simple structure and high impurity removal efficiency. In addition, once larger strip-shaped impurities pass through the coarse screen 202, they will be further removed after entering the main mesh screen 406 to ensure that the larger strip-shaped impurities are filtered out. Therefore, the coarse screen 202 and the main mesh screen 406 achieve the purpose of coarse screening and main screening of the rapeseed seeds.

[0054] After the main screening is completed, the rapeseed seeds enter the interior of the fine screening barrel 1 through the main mesh screen 406. The fine screening barrel 1 is internally provided with a fine screening mechanism 3, which includes a special-shaped fine screening frame 301 and a fine screening frame driving motor 302. The fine screening frame driving motor 302 is used to rotate the special-shaped fine screening frame 301, and the special-shaped fine screening frame 301 is fixedly provided with a fine screening network 303. The fine screening network 303 includes a fine screening large-hole mesh screen 3031, a fine screening medium-hole mesh screen 3032 and a fine screening small-hole mesh screen 3033. The aperture of the fine screening large-hole mesh screen 3031 is smaller than the diameter of the rapeseed seeds. The rapeseed seeds will gather on the fine screening mechanism 3 inside the fine screening barrel 1 and be filtered through the fine screening network 303. Small particles of impurities in the rapeseed seeds, such as fine soil and dust, will fall into the interior of the fine screening barrel 1 through the fine screening network 303, thereby achieving the purpose of screening.

[0055] The dust and soil attached to the rapeseed seeds can also be removed by wet fine screening. The wet fine screening is carried out with salt water. On the one hand, salt water has a certain bactericidal effect, which can kill some pathogens and insect eggs attached to the surface of the seeds, reduce the possibility of seeds being attacked by pests and diseases during germination and growth, and prevent seedling diseases to a certain extent. On the other hand, it can increase the buoyancy by increasing the density, which is convenient for wet fine screening of rapeseed seeds, and can also clean the rapeseed seeds, improving the appearance of rapeseed seeds. Specifically: one end of the fine screening barrel 1 is connected to the salt water recovery tank 9 through the water pump 7, and the salt water recovery tank 9 is arranged directly below the fine screening barrel 1. The output shaft of the fine screening frame drive motor 302 passes through one end of the fine screening barrel 1 and is fixedly connected to the fine screening mechanism 3. The radius of the fine screening large-pore mesh screen 3031 matches the inner diameter of the fine screening barrel 1 and is rotatably arranged inside the fine screening barrel 1. The upper end of the fine screening barrel 1 is provided with a fine screening barrel feed port 101, and the fine screening barrel feed port 101 is connected to the support mechanism 4. Corresponding to the bottom, a drainage notch 102 is provided at one end of the fine screening barrel 1 away from the fine screening frame drive motor 302. The upper side of the drainage notch 102 is lower than the upper end of the fine screening barrel feed port 101. When brine is added through the water pump 7, the liquid level of the brine is lower than the upper side of the drainage notch 102. Brine is added to the interior of the fine screening barrel 1 through the water pump 7, and the liquid level of the added liquid reaches the drainage notch 102. The rapeseed seeds after dry fine screening and the shriveled seeds float on the brine liquid surface under the action of buoyancy. , and then start the fine screen frame drive motor 302 to rotate the special-shaped fine screen frame 301. During the rotation, the fine screen large-pore mesh sieve 3031 first rotates upward and covers the rapeseed seeds. When the fine screen medium-pore mesh sieve 3032 rotates to just above the seeds, the shriveled seeds and light impurities will pass through the fine screen medium-pore mesh sieve 3032 while still floating. The fine screen frame drive motor 302 rotates the special-shaped fine screen frame 301 multiple times to achieve the purpose of cleaning the rapeseed seeds.

[0056] After cleaning and impurity removal, the fine screening barrel rotating motor 6 is started to tilt the fine screening barrel 1, and the brine is poured into the interior of the brine recovery tank 9 through the drainage notch 102. The shriveled seeds and light impurities follow the brine into the interior of the brine recovery tank 9, completing the wet fine screening.

[0057] Since moisture will adhere to the outer surface of the rapeseed seeds after the wet fine screening, a number of evenly distributed heating rods 304 are fixedly provided inside the fine screen large-pore mesh sieve 3031, the fine screen medium-pore mesh sieve 3032, and the fine screen small-pore mesh sieve 3033. Therefore, the heating rods 304 inside the fine screen network 303 are activated to heat the fine screen network 303, thereby achieving the purpose of drying the rapeseed seeds;

[0058] Moreover, the fine screening network 303 is provided with a fine screening large-pore mesh screen 3031, a fine screening medium-pore mesh screen 3032 and a fine screening small-pore mesh screen 3033. The specific principle is that when the rapeseed seeds enter the interior of the fine screening barrel 1 together with small particle impurities, the small particle impurities with large gravity directly enter the bottom of the fine screening mechanism 3. After the salt water is added, the impurities with small density, such as shriveled rapeseed seeds, float on the liquid surface of the salt water. At this time, the fine screening frame driving motor 302 drives the special-shaped fine screening frame 301 to rotate. The large-pore fine screen mesh 3031 on the fine screen network 303 will rotate to the top of the seeds first. As the special-shaped fine screen frame 301 rotates, the medium-pore fine screen mesh 3032 will squeeze the seeds floating on the surface of the brine downward. Since the aperture of the fine screen network 303 is smaller than the diameter of high-quality seeds, the shriveled and incomplete seeds will pass through the fine screen network 303 and float on the surface of the brine again. Then the fine screen barrel 1 can be tilted to pour out the brine. Therefore, the rapeseed seeds can be filtered step by step, and the quality of the fine screening can be improved.

[0059] Furthermore, in order to facilitate the coarse screening of rapeseed seeds and the removal of impurities, Figure 1 、 Figure 5 as well as Figure 6 As shown, a rotating groove 409 is provided on the upper side of the supporting movable connecting block 402, and a driving motor groove 404 is provided on the supporting movable connecting block 402 below the rotating groove 409, and the driving motor groove 404 is communicated with the rotating groove 409. A rotating groove 409 is provided on the supporting movable connecting block 402, and the coarse screen barrel 2 is placed on the rotating groove 409. One side of the supporting movable connecting block 402 is connected to a supporting ring 411 through a plurality of supporting guide rods 410. The coarse screen barrel 2 is rotatably arranged inside the rotating groove 409 or the support ring 411. In order to improve the rotation stability of the coarse screen barrel 2, a supporting ring 411 is connected to the supporting movable connecting block 402 through the supporting guide rod 410. Therefore, the coarse screen barrel 2 can rotate on the supporting movable connecting block 402, and the rapeseed seeds are removed during the rotation.

[0060] In order to facilitate the rotation of the coarse screen barrel 2 and improve the screening efficiency, the coarse screen barrel rotating motor 5 is fixedly provided inside the driving motor slot 404, and the output end of the coarse screen barrel rotating motor 5 is provided with a driving gear 501. One end of the coarse screen barrel 2 is fixedly provided with a fine screen barrel driven gear 203, and the fine screen barrel driven gear 203 is meshed and connected with the driving gear 501. The driving gear 501 is used to rotate the fine screen barrel driven gear 203. The coarse screen barrel rotating motor 5 is fixedly provided inside the driving motor slot 404. After the coarse screen barrel rotating motor 5 is started, the coarse screen barrel 2 is driven to rotate through the driving gear 501. After the coarse screen barrel 2 rotates, the rapeseed seeds inside the coarse screen barrel 2 enter the interior of the fine screen barrel 1 through the coarse screen mesh 202 on the mesh screen slot 201. The structure is simple and the efficiency of impurity removal is improved.

[0061] Moreover, the bottom of the support mechanism 4 is connected to a support connecting rod 408, which is fixedly connected to the support arm 604. A waste guide block 8 is fixedly provided on the outer side of the support connecting rod 408. A waste guide groove 801 corresponding to one end of the coarse screening barrel 2 is opened on the waste guide block 8. The waste guide block 8 is fixedly provided on the support connecting rod 408. After the coarse screening barrel 2 is tilted, the filtered impurities slide out through the waste guide groove 801 on the waste guide block 8, which is convenient for unified recovery and cleaning of the impurities, saving a lot of manpower and material resources.

[0062] Furthermore, if Figure 8 and Figure 9 As shown, a fine screening barrel rotating motor 6 is fixedly provided on one side of the fine screening barrel 1, and the fine screening barrel rotating motor 6 is fixedly provided on the brine recovery tank 9 through a recovery tank connecting arm 606. A rotor connecting plate 601 is provided at the output end of the fine screening barrel rotating motor 6, and the rotor connecting plate 601 is connected to the outer side of the fine screening barrel 1 through a fine screening barrel fixing rod 602 and fixed by a fastening bolt 603. The fine screening barrel rotating motor 6 is fixedly provided on the brine recovery tank 9 through the recovery tank connecting arm 606, thereby improving the overall structural strength. After the fine screening barrel rotating motor 6 is started, the output end of the fine screening barrel rotating motor 6 drives the fine screening barrel fixing rod 602 through the rotor connecting plate 601 and then drives the fine screening barrel 1 to tilt downward, thereby being able to remove brine and impurities floating on the brine, and the rapeseed seeds can also be cleaned by the brine, with a simple structure and greatly improving the efficiency of screening and removing impurities.

[0063] A support arm 604 is fixedly provided on the rotor connecting plate 601, and a drive motor fixing plate 605 is fixedly provided on the upper side of the support arm 604. The fine screen frame drive motor 302 is fixedly provided on the drive motor fixing plate 605. The fine screen frame drive motor 302 is fixedly provided on the drive motor fixing plate 605. When the rotor connecting plate 601 rotates, the fine screen barrel 1 and the fine screen frame drive motor 302 on the drive motor fixing plate 605 are driven to rotate at the same time, and the operations are carried out synchronously, thereby improving the efficiency of impurity removal.

[0064] Further, as shown in Figure 4 The inside of the fine screening mechanism 3 is fixedly provided with a vibration motor 10 on the special-shaped fine screening frame 301. The vibration motor 10 is fixedly arranged on the special-shaped fine screening frame 301. By starting the vibration motor 10, the rapeseed can be prevented from being stuck in the mesh, and the screening efficiency is improved.

[0065] In addition, as shown in Figure 1 and Figure 9 The water pump 7 is fixedly arranged on the upper side of the driving motor fixing plate 605. The water pump 7 is communicated with the saltwater recovery tank 9 through the water inlet pipe 701. The water pump 7 is communicated with the inside of the fine screening barrel 1 through the water pump pipe 702. The salt solution in the inside of the saltwater recovery tank 9 is extracted by the water pump 7, which can be recycled and improve the utilization rate of resources.

[0066] As shown in Figures 1-10 The screening method of the rapeseed impurity removing and screening integrated device provided by the embodiment includes the following steps.

[0067] Step one: coarse screening treatment, collect the threshed rapeseed for use, then adjust the coarse screening barrel 2 to a certain angle by the coarse screening barrel adjusting motor 403, and the angle range is 10-20°;

[0068] Then put the rapeseed into the inside of the coarse screening barrel 2, and start the coarse screening barrel rotating motor 5 in the driving motor groove 404. The fine screening barrel driven gear 203 on the coarse screening barrel 2 is driven by the driving gear 501 to make the coarse screening barrel 2 rotate. In the rotating process, the rapeseed is screened into the inside of the supporting mechanism 4 through the coarse screening mesh 202. At the same time, the large-particle impurities fall on the waste guide block 8 through the coarse screening barrel 2, and fall into the waste bin through the waste guide groove 801 to perform primary screening.

[0069] Step two: primary screening treatment, the rapeseed falls on the upper side of the main mesh screen 406 due to the action of gravity after passing through the coarse screening mesh 202, and falls into the inside of the fine screening barrel 1 through the main mesh screen 406;

[0070] Since the rapeseed has a certain mass, the seed that does not pass the main mesh screen 406 at first time will bounce on the surface of the main mesh screen 406, and finally pass the main mesh screen 406 to enter the inside of the fine screening barrel 1, and the residual impurities on the main mesh screen 406 are cleaned;

[0071] Step three: fine screening treatment, after being filtered by the main mesh screen 406, the rapeseed and small-particle impurities fall into the inside of the vibration motor 10 to perform dry fine screening and wet fine screening;

[0072] The dry fine screening is specifically as follows: the special-shaped fine screen frame 301 is rotated by the fine screen frame driving motor 302, and the opening of the special-shaped fine screen frame 301 is upward, after the rapeseed seeds and small particles of impurities enter the interior of the fine screen barrel 1, they fall on the fine screen network 303, and impurities with a diameter smaller than the fine screen frame driving motor 302 and greater gravity enter the interior of the fine screen barrel 1. At the same time, the special-shaped fine screen frame 301 is rotated to make the screening more complete;

[0073] The wet fine screening is specifically as follows: salt water is added to the interior of the fine screening barrel 1 through the water pump 7, and the liquid level of the added liquid reaches the drainage notch 102. The rapeseed seeds after dry fine screening and the shriveled seeds float on the salt water surface under the action of buoyancy;

[0074] Then, the fine screen frame drive motor 302 is started to rotate the special-shaped fine screen frame 301. During the rotation, the fine screen large-pore mesh sieve 3031 first rotates upward and covers the rapeseed seeds. When the fine screen medium-pore mesh sieve 3032 rotates to just above the seeds, the shriveled seeds and lighter impurities will pass through the fine screen medium-pore mesh sieve 3032 while still floating.

[0075] Then start the fine screening barrel rotating motor 6 to tilt the fine screening barrel 1, and pour the brine into the brine recovery tank 9 through the drainage notch 102. The shriveled seeds and light impurities follow the brine into the brine recovery tank 9, completing the wet fine screening.

[0076] Step 4: Drying: After the screening is completed, the fine screen frame drives the motor 302 to collect the fine screened rapeseed seeds onto the fine screen network 303, and then the rapeseed seeds are dried by the heating rod 304 inside the fine screen network 303;

[0077] Step 5: Collection: After drying, the rapeseed seeds can be collected.

[0078] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of the components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0079] It should be noted that the terms "include," "comprises," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a product or system comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such product or system. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of other identical elements in the product or system comprising the element.

[0080] The foregoing description shows and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. Rather, the present invention can be used in various other combinations, modifications, and environments and can be modified within the scope of the inventive concept described herein by the teachings above or by techniques or knowledge in the relevant art. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention are intended to be within the scope of the appended claims.

Claims

1. An integrated device for removing impurities and screening rapeseed seeds, comprising a fine screening barrel (1) and a coarse screening barrel (2) rotatably arranged on the fine screening barrel (1), characterized in that: The coarse screen barrel (2) is rotatably connected to a support mechanism (4) via a coarse screen barrel regulating motor (403); a mesh screen slot (201) is provided in the middle of the coarse screen barrel (2); a coarse screen mesh (202) is fixedly provided on the mesh screen slot (201); the support mechanism (4) comprises a support fixed connection block (401) and a support movable connection block (402); the support fixed connection block (401) and the support movable connection block (402) are rotatably connected via the coarse screen barrel regulating motor (403); a main screen support arm (405) is fixedly provided on the support fixed connection block (401); a main mesh screen (406) is fixedly provided on the main screen support arm (405); and the main mesh screen (406) is provided directly below the coarse screen barrel (2); A fine screening mechanism (3) is rotatably provided inside the fine screening barrel (1), the fine screening mechanism (3) comprising a special-shaped fine screening frame (301) and a fine screening frame drive motor (302), the fine screening frame drive motor (302) being used to rotate the special-shaped fine screening frame (301), a fine screening network (303) being fixedly provided on the special-shaped fine screening frame (301), the fine screening network (303) comprising a fine screening large-pore mesh screen (3031), a fine screening medium-pore mesh screen (3032) and a fine screening small-pore mesh screen (3033), the aperture of the fine screening large-pore mesh screen (3031) being smaller than the diameter of rapeseed seeds, and a plurality of uniformly distributed heating rods (304) being fixedly provided inside the fine screening large-pore mesh screen (3031), the fine screening medium-pore mesh screen (3032) and the fine screening small-pore mesh screen (3033); One end of the fine screening barrel (1) is connected to a brine recovery tank (9) via a water pump (7), and the brine recovery tank (9) is arranged directly below the fine screening barrel (1); The output shaft of the fine screening frame drive motor (302) passes through one end of the fine screening barrel (1) and is fixedly connected to the fine screening mechanism (3); the radius of the fine screening large-pore mesh screen (3031) matches the inner diameter of the fine screening barrel (1) and is rotatably arranged inside the fine screening barrel (1); a fine screening barrel feed port (101) is provided at the upper end of the fine screening barrel (1); the fine screening barrel feed port (101) corresponds to the bottom of the support mechanism (4); a drainage notch (102) is provided at one end of the fine screening barrel (1) away from the fine screening frame drive motor (302); the upper side surface of the drainage notch (102) is lower than the upper end of the fine screening barrel feed port (101); When salt water is added through the water pump (7), the liquid level of the salt water is lower than the upper side of the drainage notch (102).

2. The integrated device for removing impurities and screening rapeseed seeds according to claim 1, characterized in that: A rotation slot (409) is provided on the upper side of the supporting movable connecting block (402), a driving motor slot (404) is provided on the supporting movable connecting block (402) below the rotating slot (409), and the driving motor slot (404) is connected to the rotating slot (409); One side of the supporting movable connection block (402) is connected to a supporting ring (411) via a plurality of supporting guide rods (410), and the coarse screen barrel (2) is rotatably arranged inside the rotating groove (409) or the supporting ring (411).

3. The integrated device for removing impurities and screening rapeseed seeds according to claim 2, characterized in that: A coarse screen bucket rotating motor (5) is fixedly arranged inside the driving motor slot (404), a driving gear (501) is arranged at the output end of the coarse screen bucket rotating motor (5), a fine screen bucket driven gear (203) is fixedly arranged at one end of the coarse screen bucket (2), the fine screen bucket driven gear (203) is meshedly connected with the driving gear (501), and the driving gear (501) is used to rotate the fine screen bucket driven gear (203).

4. The integrated device for removing impurities and screening rapeseed seeds according to claim 3, characterized in that: A fine screening barrel rotating motor (6) is fixedly provided on one side of the fine screening barrel (1), and the fine screening barrel rotating motor (6) is fixedly provided on the brine recovery tank (9) via a recovery tank connecting arm (606). A rotor connecting plate (601) is provided at the output end of the fine screening barrel rotating motor (6), and the rotor connecting plate (601) is connected to the outer side surface of the fine screening barrel (1) via a fine screening barrel fixing rod (602) and fixed by a fastening bolt (603); A support arm (604) is fixedly provided on the rotor connecting plate (601), a drive motor fixing plate (605) is fixedly provided on the upper side of the support arm (604), and the fine screen frame drive motor (302) is fixedly provided on the drive motor fixing plate (605).

5. The integrated device for removing impurities and screening rapeseed seeds according to claim 4, characterized in that: The bottom of the support mechanism (4) is connected to a support connecting rod (408), and the support connecting rod (408) is fixedly connected to the support arm (604); A waste guide block (8) is fixedly provided on the outer side surface of the supporting connecting rod (408), and a waste guide groove (801) corresponding to one end of the coarse screening barrel (2) is provided on the waste guide block (8).

6. The integrated device for removing impurities and screening rapeseed seeds according to claim 5, characterized in that: A vibration motor (10) is fixedly arranged on the special-shaped fine screening frame (301) inside the fine screening mechanism (3).

7. The integrated device for removing impurities and screening rapeseed seeds according to claim 6, characterized in that: The supporting movable connection block (402) is fixedly connected to the stator of the coarse screen bucket regulating motor (403), and the rotor of the coarse screen bucket regulating motor (403) is fixedly connected to the supporting fixed connection block (401); A symmetrically distributed main screen protection plate (407) is provided on the upper side of the main screen support arm (405), and the coarse screen barrel (2) is rotatably arranged inside the main screen protection plate (407).

8. The integrated device for removing impurities and screening rapeseed seeds according to claim 7, characterized in that: The water pump (7) is fixedly arranged on the upper side of the drive motor fixing plate (605), the water pump (7) is connected to the brine recovery tank (9) through the water inlet pipe (701), and the water pump (7) is connected to the interior of the fine screening barrel (1) through the water pumping pipe (702).

9. A screening method for rapeseed seed impurity removal and screening integrated device, characterized in that: The rapeseed seed impurity removal and screening integrated device according to claim 8 is used, comprising the following steps: Step 1: coarse screening process, collecting the rapeseed seeds after threshing for later use, and then adjusting the coarse screening barrel (2) to a certain angle through the coarse screening barrel adjustment motor (403), the angle range is 10-20 degrees; Then, rapeseed seeds are put into the coarse screen barrel (2), and the coarse screen barrel rotating motor (5) in the driving motor slot (404) is started, and the fine screen barrel driven gear (203) on the coarse screen barrel (2) is driven by the driving gear (501), so that the coarse screen barrel (2) rotates. During the rotation process, the rapeseed seeds are screened into the interior of the supporting mechanism (4) through the coarse screen mesh (202). While the coarse screen barrel (2) rotates, large particles of impurities fall onto the waste guide block (8) through the coarse screen barrel (2) and fall into the waste bin through the waste guide slot (801) for main screening. Step 2: Main screening process: after the rapeseed seeds pass through the coarse screen (202), they fall onto the upper side of the main screen (406) due to gravity, and then fall through the main screen (406) into the interior of the fine screen barrel (1); Since the rapeseed seeds have a certain mass, the seeds that fail to pass through the main mesh screen (406) initially will bounce on the surface of the main mesh screen (406) and eventually pass through the main mesh screen (406) into the interior of the fine screening barrel (1), and clean the remaining impurities on the main mesh screen (406); Step 3: fine screening. After being filtered by the main mesh screen (406), the rapeseed seeds and small particles of impurities will fall into the interior of the vibration motor (10) for dry fine screening and wet fine screening. The dry fine screening is specifically as follows: the special-shaped fine screen frame (301) is rotated by the fine screen frame driving motor (302), and the opening of the special-shaped fine screen frame (301) is turned upward, and after the rapeseed seeds and small particles of impurities enter the interior of the fine screen barrel (1), they fall onto the fine screen network (303), and impurities with a diameter smaller than the fine screen frame driving motor (302) and greater gravity enter the interior of the fine screen barrel (1), and at the same time, the special-shaped fine screen frame (301) is rotated to make the screening more complete; The wet fine screening is specifically as follows: salt water is added to the interior of the fine screening barrel (1) through a water pump (7), and the liquid level of the added liquid reaches the drainage notch (102), and the rapeseed seeds after dry fine screening and the shriveled seeds float on the salt water surface under the action of buoyancy; Then, the fine screen frame driving motor (302) is started to rotate the special-shaped fine screen frame (301). During the rotation, the fine screen large-pore mesh screen (3031) first rotates upward and covers the rapeseed seeds. When the fine screen medium-pore mesh screen (3032) rotates to the top of the seeds, the shrunken seeds and the lighter impurities pass through the fine screen medium-pore mesh screen (3032) and remain in a floating state. Then, the fine screening barrel rotating motor (6) is started to tilt the fine screening barrel (1), and the brine is poured into the interior of the brine recovery tank (9) through the drainage notch (102). The shrunken seeds and light impurities follow the brine into the interior of the brine recovery tank (9), thus completing the wet fine screening. Step 4: Drying treatment: After the screening is completed, the fine screen frame drives the motor (302) to collect the fine screened rapeseed seeds onto the fine screen network (303), and then the rapeseed seeds are dried by the heating rod (304) inside the fine screen network (303); Step 5: Collection: After drying, the rapeseed seeds can be collected.

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