CN113877711A - Wheat flour processing system based on magnetic screening - Google Patents

Abstract

The invention discloses a wheat flour processing system based on magnetic screening, which relates to the technical field of wheat processing, wherein a stirring, crushing and flying assembly and a multi-stage grinding assembly are arranged, so that the wheat is repeatedly ground, the particles of the wheat flour are smaller, and on the basis of finer and finer wheat flour, magnetically adsorbed impurities in the wheat, crushed wheat and wheat flour are adsorbed and removed by arranging a first magnetic separation assembly, a second magnetic separation assembly and a third magnetic separation assembly, and non-plump wheat and dust in the wheat are filtered and removed, so that the quality of the wheat is improved.

Description

Wheat flour processing system based on magnetic screening

Technical Field

The invention relates to the technical field of wheat processing, in particular to a wheat flour processing system based on magnetic screening.

Background

The wheat flour of traditional small batch processing often picks magnetic adsorption impurity and granule waste material by the manual work, pours into the processing storehouse after the screening of filter sieve and processes it, but traditional small batch processing equipment still exists following not enoughly: firstly, the traditional wheat is time-consuming and labor-consuming in manually picking and selecting magnetic adsorption impurities and particle waste, and has the problems of omission, and secondly, in a wheat flour processing system, the intelligent degree of screening wheat flour by a common screening machine is low, when wheat particles with different sizes are obtained by screening, the wheat flour can only be selected by replacing a screening mesh, the replacement is inconvenient, the control is inconvenient, the intelligent degree is low, and the production efficiency is low;

in view of the above technical drawbacks, a solution is proposed.

Disclosure of Invention

The invention aims to: through the arrangement of the stirring flying component and the multi-stage grinding component, on the basis of realizing multiple grinding of wheat and making wheat flour particles smaller and finer, through the arrangement of the first magnetic separation component, the second magnetic separation component and the third magnetic separation component, magnetic adsorption impurities in the wheat, the wheat fragments and the wheat flour are adsorbed and removed, and non-full wheat and dust in the wheat are filtered and removed, so that the quality of the wheat is improved, and through the arrangement of the controllable screening component, wheat flour particles are controllably screened, so that the purity and the quality of the wheat flour are further improved, the intelligent degree of equipment is enhanced, the production efficiency is improved, the problem that the traditional wheat is time-consuming and labor-consuming when the magnetic adsorption impurities and particle wastes are manually selected, the problem that a common screening machine is low in intelligent degree when screening the wheat flour, and when wheat particles with different sizes are obtained through screening is solved, the problem of screening can only be solved by replacing the screening net.

In order to achieve the purpose, the invention adopts the following technical scheme:

the wheat flour processing system based on magnetic screening comprises a first processing bin, a discharge electromagnetic valve, a second processing bin, an extension pipe, a thread material returning device, a raw material inlet, a discharge hopper and an atomizing nozzle, wherein the first processing bin is fixedly arranged on the top surface of the second processing bin, the atomizing nozzle is fixedly arranged in the first processing bin, the atomizing nozzle is arranged at the top of the first processing bin, the discharge hopper is in through connection with the center of the bottom surface of the second processing bin, the material inlet is arranged at the bottom end of the first processing bin, the bottom of the first processing bin is in through connection with the discharge electromagnetic valve, one end, far away from the first processing bin, of the discharge electromagnetic valve is in through connection with the second processing bin through a guide pipe, the extension pipe is fixedly arranged at the bottom of the second processing bin and is in through connection with the second processing bin, the extension pipe is in through connection with the thread material returning device, one side, far away from the extension pipe, of the thread material returning device is in through connection with the second processing bin, the thread material returning device and the second processing are obliquely arranged;

the processing device comprises a first processing bin, a stirring and crushing component, a second processing bin, a first magnetic separation through hole, a second magnetic separation through hole, a first magnetic separation component, a second magnetic separation component, a first waste bin and a first waste bin, wherein the stirring and crushing component is arranged in the first processing bin in a rotating mode;

be equipped with multistage crocus subassembly and controllable screening subassembly in the second processing storehouse, controllable screening subassembly's top is located to multistage crocus subassembly, and is equipped with the hopper that converges between multistage crocus subassembly and the controllable screening group, the both ends of multistage crocus subassembly respectively with go out hopper and hopper through connection that converges, third magnetic separation through-hole has been seted up to the inner wall that goes out the hopper, third magnetic separation through-hole suits has third magnetic separation subassembly, the outer end of hopper is located to third magnetic separation subassembly, and the bottom through connection of third magnetic separation subassembly has the second dump box, the outer end of hopper is located to second dump box fixed cover, the minimum department of first dump box, second dump box and screw thread feed back all through connection has the waste material screwed pipe, waste material screwed pipe threaded connection has waste material screw thread lid.

Further, the stirring is garrulous to fly the subassembly and includes first motor and first bull stick, the fixed top of locating first processing storehouse of first motor, first bull stick rotates and locates in the first processing storehouse, and the inner wall that the one end of first bull stick runs through first processing storehouse extends to its outside and with the output shaft fixed connection of first motor, the fixed fan, hybrid beam and the push pedal that is equipped with in outer end of first bull stick, fan, hybrid beam and push pedal from the top down set gradually, and fan, hybrid beam and push pedal are equipped with a plurality ofly, and fan, hybrid beam and push pedal all use the axis of first bull stick to distribute according to annular array as the centre of a circle, the fixed ring cutter that is equipped with in one side of push pedal, the ring cutter is equipped with a plurality ofly, one the ring cutter corresponds with a push pedal, the bottom butt of push pedal is in the diapire of first processing storehouse.

Further, the first magnetic separation component comprises a magnetic separation arc shell, a magnetic generator, a magnetic separation air cylinder and a first telescopic rod, the magnetic separation arc shell is sleeved at the outer end of the first processing bin, the magnetic separation arc shell is arranged at the first magnetic separation through hole, the magnetic generator is fixedly arranged at the top end of the magnetic separation arc shell, the magnetic separation air cylinder is fixedly arranged at one side of the magnetic separation arc shell, the first telescopic rod is fixedly connected with a piston rod of the rod magnetic separation air cylinder, one end of the first telescopic rod is fixedly connected with a sliding sleeve, the sliding sleeve is fixedly provided with a plurality of arc-shaped strips, the arc-shaped strips are arranged in the arc-shaped strips, the side surfaces of the magnetic arc strips are flush with the side surfaces of the arc-shaped strips, the magnetic arc strips are arranged at one side far away from the first telescopic rod, the arc-shaped strips are matched with the size of the first magnetic separation through hole, and the end parts of the sliding sleeve are abutted against the inner wall of the magnetic separation arc shell and are in sliding connection with the magnetic separation arc shell, and a second blanking port is formed in the magnetic separation arc shell and is in through connection with the first waste bin.

Further, the second magnetic separation component comprises a second motor, a screw rod and a nut seat, the second motor is fixedly arranged at the bottom end of the second waste material box, the screw rod is respectively rotatably connected with the second waste material box and the first processing bin through a bearing, one end of the screw rod penetrates through the inner wall of the second waste material box, extends to the outside of the second waste material box and is fixedly connected with an output shaft of the second motor, the nut seat is sleeved on the outer end of the screw rod in a threaded manner, a plurality of connecting rods are arranged at the outer end of the nut seat, the connecting rods are distributed in an annular array by taking the center of the screw rod as the center of a circle, a top block is fixedly arranged at the top end of each connecting rod far away from the nut seat, a magnetic separation disc is fixedly arranged on the top surface of each top block, a plurality of magnetic separation round bulges are fixedly arranged at the top end of each magnetic separation disc, the magnetic separation round bulges are arranged in the second magnetic separation holes and are movably connected with the second magnetic separation holes, and the magnetic separation round bulges have the same diameter as the second magnetic separation holes, and the top surface of the magnetic separation round bulge is parallel to the top surface of the second magnetic separation through hole.

Furthermore, the multistage grinding component comprises two coarse grinding drums, two second rotating rods, two first fine grinding drums, two third rotating rods, a third motor, a fifth rotating rod and a toothed chain, the two coarse grinding drums are symmetrically arranged and are meshed with each other, the second fine grinding drums are butted on two sides of the first fine grinding drums, the fourth rotating rods are fixedly connected to the inner ends of the second fine grinding drums, the inner ends of the coarse grinding drums and the inner ends of the first fine grinding drums are fixedly sleeved on the outer ends of the second rotating rods and the outer ends of the third rotating rods respectively, the second rotating rods, the third rotating rods and the fourth rotating rods are rotatably arranged in the second processing bin, the second rotating rods, the third rotating rods and the fourth rotating rods extend to the outer portion through the inner wall of the second processing bin and are fixedly sleeved with the first gear, the second gear and the third gear respectively, the first gear, the second gear and the third gear are connected to the inner end of the toothed chain in a sleeved mode and meshed with the first gear, the third motor is fixedly arranged on the outer side of the second processing bin, an output shaft of the third motor is fixedly connected with the fifth rotating rod, a fourth gear is fixedly sleeved at the outer end of the fifth rotating rod, and the fourth gear is meshed with the second gear.

Further, the controllable screening component comprises a fourth motor, a sixth rotating rod, a separating ring cylinder and a separating plate, the fourth motor is fixedly arranged at the outer end of the second processing bin, one end of the sixth rotating rod is fixedly connected with an output shaft of the fourth motor, the other end of the sixth rotating rod penetrates through the outer end wall of the second processing bin and extends into the second processing bin, a first bevel gear is fixedly sleeved on the outer end wall of the second processing bin, the first bevel gear is connected with a second bevel gear in a meshed mode, a transmission rod is fixedly sleeved at the inner end of the first bevel gear, the separating plate is fixedly arranged in the second processing bin, two ends of the transmission rod are respectively connected with the bottom surface of the separating plate and the bottom wall of the second processing bin in a rotating mode, the transmission rod and the sixth rotating rod are vertically arranged, a transmission gear is fixedly sleeved at the outer end of the transmission rod and is connected with a fifth gear in a meshed mode, the fifth gear is fixedly sleeved on the outer end of the separating ring cylinder, the separating ring cylinder is rotatably arranged in the second processing bin, the outer end of the top of the separating ring cylinder is rotatably abutted against the separating plate, and the separating ring cylinder is arranged right below the material collecting hopper;

a micro-control screen barrel is rotationally arranged in the separating ring barrel, a first screening hole is formed in the micro-control screen barrel, a second screening hole is formed in the inner wall of the separating ring barrel, the first screening hole is communicated with the second screening hole, a seventh rotating rod is fixedly connected to the bottom end of the micro-control screen barrel, a micro motor is fixedly arranged at the center of the bottom end of the separating ring barrel, one end of the seventh rotating rod rotates to penetrate through the bottom wall of the separating ring barrel and extend to the outside of the separating ring barrel and is fixedly connected with an output shaft of the micro motor, the top end of the micro-control screen barrel is abutted against the top end wall of the separating ring barrel, a feed inlet is formed in the top end wall of the separating ring barrel, waste material top holes are formed in the tops of the micro-control screen barrel and the separating ring barrel, a guide ring part is arranged in the position of the waste material top holes and is integrally arranged with the micro-control screen barrel, the guide ring part is abutted against the separating ring barrel, a third blanking port is formed in the bottom wall of the separating ring barrel, the third blanking mouth is second screening hole and play hopper through connection respectively, the internal fixation of micro-control sieve bucket is equipped with prevents sinking the fan, prevent sinking the fixed bottom of locating micro-control sieve bucket of fan.

Furthermore, the micro-control sieve barrel and the separating ring barrel are provided with damping gaskets, the bottom ends of the damping gaskets are fixedly arranged on the bottom wall of the separating ring barrel, and the damping gaskets are abutted to the bottom end of the micro-control sieve barrel.

Furthermore, the micro-control sieve barrel is matched with a positioning micro-cylinder used for locking the micro-cylinder to move, the positioning micro-cylinder is fixedly arranged in the bottom wall of the separating ring barrel, the micro-control sieve barrel is provided with a plurality of positioning grooves matched with the positioning micro-cylinder, and a piston rod of the positioning micro-cylinder is movably arranged in the positioning grooves.

Further, the third magnetic separation assembly comprises an annular shell, an oil cylinder main body, a plurality of cylinder sleeves and magnetic separation arc sleeves, the annular shell is fixedly sleeved at the outer end of the discharge hopper, the oil cylinder main body is fixedly arranged in the second processing bin, the magnetic separation arc sleeves are arranged in a plurality of numbers and are distributed according to an annular array by taking the central axis of the discharge hopper as the circle center, magnetic separation protrusions and second telescopic rods are fixedly arranged on two sides of the magnetic separation arc sleeves respectively, the cylinder sleeves correspond to the magnetic separation arc sleeves one by one, piston ring blocks are arranged in the cylinder sleeves in a sliding mode, one end of each second telescopic rod penetrates through the outer wall of the cylinder sleeve and extends into the cylinder sleeve and is fixedly connected with the piston ring blocks, one-way multi-rotating parts are mounted at one end of the oil cylinder main body in a penetrating mode, the other end of the cylinder sleeve is in a penetrating mode with one-way multi-control valve through a guide pipe, the magnetic separation protrusions are movably arranged in the third magnetic gating holes and are in sliding abutted against the inner wall, and a fourth blanking port is formed in the bottom end of the annular shell and is in through connection with the second waste bin.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

the invention is through setting up and stirring and breaking assemblies and multistage milling assemblies, on the basis of realizing to grind wheat many times and making the wheat flour granule smaller, more exquisite, through setting up the first magnetic separation assembly, second magnetic separation assembly and third magnetic separation assembly, absorb and clear away the magnetic adsorption impurity in wheat, wheat fragment and wheat flour, and filter and clear away the non-plump wheat and dust in the wheat, thus improve the quality of wheat, and carry on the controlled screening to the wheat flour granule through setting up the controllable screening assembly, further raise the purity and quality of the wheat flour, the invention has strengthened the intelligent degree of the apparatus, raise the efficiency of production, solve the traditional wheat pick the magnetic adsorption impurity and problem that the granule waste material wastes time and energy by manpower first, it is lower to have solved the intelligent degree of the ordinary screening machine screening wheat flour, when screening and obtaining the wheat granule of different size, the problem of screening can only be solved by replacing the screening net.

Drawings

FIG. 1 shows a front view of the present invention;

FIG. 2 shows a cross-sectional view at a first processing bin;

FIG. 3 shows a cross-sectional view at the second processing bin;

FIG. 4 shows a partial enlarged view at A of FIG. 2;

FIG. 5 shows a top view at the ring cutter;

FIG. 6 shows a partial enlarged view at B of FIG. 2;

FIG. 7 shows a nested drive diagram at the toothed chain;

FIG. 8 shows a partial enlarged view at C of FIG. 3;

FIG. 9 shows a cross-sectional view of a separating ring cartridge;

FIG. 10 shows a partial enlarged view at D of FIG. 9;

FIG. 11 shows a cross-sectional view at the annular housing;

illustration of the drawings: 1. a first processing bin; 2. stirring the broken flying component; 3. a first magnetic separation assembly; 4. a second magnetic separation assembly; 5. a first scrap box; 6. a discharge electromagnetic valve; 7. a second processing bin; 8. a multi-stage milling assembly; 9. a material collecting hopper; 10. a controllable screen assembly; 11. a third magnetic separation assembly; 12. a second scrap box; 13. an extension pipe; 14. a thread material returning device; 15. a raw material inlet; 16. a waste threaded pipe; 17. a scrap screw cap; 18. a discharge hopper; 19. an atomizing nozzle; 101. a first magnetic separation through hole; 102. a second magnetic separation through hole; 201. a first motor; 202. a first rotating lever; 203. a fan; 204. a mixing rod; 205. pushing the plate; 206. a ring cutter; 301. magnetic separation arc shells; 302. a magnetic generator; 303. a magnetic separation cylinder; 304. a first telescopic rod; 305. a sliding sleeve; 306. the arc-shaped strips are convex; 307. a magnetic arc bar; 308. a second blanking port; 401. a second motor; 402. a screw rod; 403. a nut seat; 404. a connecting rod; 405. a top block; 406. a magnetic separation disc; 407. magnetic separation round convex; 801. coarsely grinding a roller; 802. a second rotating rod; 803. a first gear; 804. a first fine grinding drum; 805. a third rotating rod; 806. a second gear; 807. a second fine grinding drum; 808. a fourth rotating rod; 809. a third gear; 810. a third motor; 811. a fifth rotating rod; 812. a fourth gear; 813. a toothed chain; 1001. a fourth motor; 1002. a sixth rotating rod; 1003. a first bevel gear; 1004. a second bevel gear; 1005. a transmission rod; 1006. a transmission gear; 1007. a fifth gear; 1008. separating the ring cylinder; 1009. a partition plate; 1010. a micro motor; 1011. a seventh rotating rod; 1012. a micro-control sieve barrel; 1013. positioning the micro-cylinder; 1014. positioning a groove; 1015. a first screening aperture; 1016. a second screening aperture; 1017. a scrap top hole; 1018. a damping shim; 1019. the anti-sinking fan; 1020. a feed inlet; 1021. a third blanking port; 1101. an annular housing; 1102. a cylinder body; 1103. one-way multi-adapter; 1104. magnetic separation arc sleeve; 1105. magnetic separation is convex; 1106. a second telescopic rod; 1107. a cylinder liner; 1108. a piston ring block; 1109. a fourth blanking port; 1801. and a third magnetic separation through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The wheat flour processing system based on magnetic screening comprises a first processing bin 1, a discharge electromagnetic valve 6, a second processing bin 7, an extension pipe 13, a thread material returning device 14, a raw material inlet 15, a discharge hopper 18 and an atomizing nozzle 19, wherein the first processing bin 1 is fixedly arranged on the top surface of the second processing bin 7, the atomizing nozzle 19 is fixedly arranged in the first processing bin 1, the atomizing nozzle 19 is arranged on the top of the first processing bin 1, the discharge hopper 18 is connected to the center of the bottom surface of the second processing bin 7 in a penetrating manner, the material inlet is arranged at the bottom end of the first processing bin 1, the bottom of the first processing bin 1 is connected with the discharge electromagnetic valve 6 in a penetrating manner, one end of the discharge electromagnetic valve 6, far away from the first processing bin 1, is connected with the second processing bin 7 in a penetrating manner through a guide pipe, the extension pipe 13 is fixedly arranged at the bottom of the second processing bin 7 and is connected with the bottom of the second processing bin 7 in a penetrating manner, the extension pipe 13 is connected with the thread material returning device 14 in a penetrating manner, one side, far away from the extension pipe 13, is connected with the second processing bin 7 in a penetrating manner, the thread material returning device 14 and the second processing are obliquely arranged;

the stirring scrap flying component 2 is arranged in the first processing bin 1, the stirring scrap flying component 2 is rotatably arranged in the first processing bin 1, the first processing bin 1 is provided with a first magnetic separation through hole 101 and a second magnetic separation through hole 102, the first magnetic separation through hole 101 is arranged on the side wall of the first processing bin 1, the second magnetic separation through hole 102 is arranged at the bottom wall of the first processing bin 1, the first magnetic separation through hole 101 is in clearance fit with a first magnetic separation component 3, the second magnetic separation through hole 102 is in clearance fit with a second magnetic separation component 4, the first magnetic separation component 3 is arranged at the bottom end of the first processing bin 1, the second magnetic separation component 4 is arranged at the outer end of the first processing bin 1, the first magnetic separation component 3 and the first magnetic separation component 3 are suitable for being provided with a first waste bin 5, and the first waste bin 5 is fixedly arranged at the bottom end of the first processing bin 1;

a multi-stage grinding component 8 and a controllable screening component 10 are arranged in the second processing bin 7, the multi-stage grinding component 8 is arranged above the controllable screening component 10, a material collecting hopper 9 is arranged between the multi-stage grinding component 8 and the controllable screening component, two ends of the multi-stage grinding component 8 are respectively communicated with the material discharging hopper 18 and the material collecting hopper 9, a third magnetic separation through hole 1801 is formed in the inner wall of the material discharging hopper 18, the third magnetic separation through hole 1801 is adapted to a third magnetic separation component 11, the third magnetic separation component 11 is arranged at the outer end of the material discharging hopper 18, the bottom end of the third magnetic separation component 11 is communicated with a second waste material box 12, the second waste material box 12 is fixedly sleeved at the outer end of the material discharging hopper 18, the lowest ends of the first waste material box 5, the second waste material box 12 and the thread returning device 14 are communicated with a waste material thread pipe 16, and the waste material thread pipe 16 is connected with a waste material thread cover 17;

the stirring and crushing assembly 2 comprises a first motor 201 and a first rotating rod 202, the first motor 201 is fixedly arranged at the top end of the first processing bin 1, the first rotating rod 202 is rotatably arranged in the first processing bin 1, one end of the first rotating rod 202 penetrates through the inner wall of the first processing bin 1 to extend to the outside of the first processing bin and is fixedly connected with an output shaft of the first motor 201, the outer end of the first rotating rod 202 is fixedly provided with a fan 203, a mixing rod 204 and a push plate 205, the fan 203, the mixing rod 204 and the push plate 205 are sequentially arranged from top to bottom, the fans 203, the mixing rods 204 and the push plates 205 are arranged in a plurality of numbers, the fans 203, the mixing rods 204 and the push plates 205 are all distributed in an annular array by taking the central axis of the first rotating rod 202 as the center of a circle, a ring cutting knife 206 is fixedly arranged on one side of the push plate 205, the ring cutting knives 206 are arranged in a plurality of numbers, one ring cutting knife 206 corresponds to one push plate 205, and the bottom end of the push plate 205 is abutted against the bottom wall of the first processing bin 1;

after wheat enters the first processing bin 1, the first motor 201 is started to work and the output shaft of the first motor 201 is controlled to rotate at a low speed in the forward direction, the output shaft of the first motor 201 rotates in the forward direction and then rotates in the forward direction electrically with the fixed first rotating rod 202, the first rotating rod 202 rotates in the forward direction and drives the fixed fan 203, the mixing rod 204 and the push plate 205 to rotate in the forward direction, the push plate 205 rotates in the forward direction and drives the ring cutter 206 to rotate in the forward direction, at the moment, the bottom end of the push plate 205 abuts against the bottom wall of the first processing bin 1, the wheat falling on the bottom wall of the first processing bin 1 is pushed, the ring cutter 206 cannot rotate around the wheat and the fan 203 generates no wind power, the fan 203 and the mixing rod 204 rotate and then impact the falling wheat, the wheat is scattered to the first magnetic separation component 3 on the side wall of the wheat, when the output shaft of the first motor 201 is controlled to rotate at a high speed in the reverse direction, the transmission is carried out through the parts, the ring cutter 206 of the push plate 205 rotates in the reverse direction to crush the wheat, meanwhile, the fan 203 rotates at a high speed to generate downward wind power, and the discharge electromagnetic valve 6 is opened at the moment to enable the crushed wheat to enter the second processing bin 7;

the first magnetic separation component 3 comprises a magnetic separation arc shell 301, a magnetic generator 302, a magnetic separation cylinder 303 and a first telescopic rod 304, the magnetic separation arc shell 301 is sleeved at the outer end of the first processing bin 1, the magnetic separation arc shell 301 is arranged at the position of the first magnetic separation through hole 101, the magnetic generator 302 is fixedly arranged at the top end of the magnetic separation arc shell 301, the magnetic separation cylinder 303 is fixedly arranged at one side of the magnetic separation arc shell 301, the first telescopic rod is fixedly connected with a piston rod of the rod magnetic separation cylinder 303, one end of the first telescopic rod 304 is fixedly connected with a sliding sleeve 305, the sliding sleeve 305 is fixedly provided with a plurality of arc-shaped strip protrusions 306, magnetic arc strips 307 are arranged in the arc-shaped strip protrusions 306, the side surfaces of the magnetic arc strips 307 are arranged in parallel and level with the side surfaces of the arc-shaped strip protrusions 306, the magnetic arc strips 307 are arranged at one side far away from the first telescopic rod 304, the size of the arc-shaped strip protrusions 306 is matched with the size of the first magnetic separation through hole 101, the end part of the sliding sleeve 305 is abutted against the inner wall of the magnetic separation arc shell 301 and is connected with the sliding sleeve, the magnetic separation arc shell 301 is provided with a second blanking port 308, and the second blanking port 308 is communicated with the first waste bin 5;

when wheat enters the first processing bin 1, the magnetic generator 302 is synchronously started until the wheat is crushed and enters the second processing bin 7, the magnetic separation cylinder 303 is started to work and control the output shaft of the magnetic separation cylinder 303 to retract inwards, the output shaft of the magnetic separation cylinder 303 retracts inwards and drives the first telescopic rod 304 fixed with the magnetic separation cylinder to move rightwards, the first telescopic rod 304 moves rightwards and drives the sliding sleeve 305 fixed with the first telescopic rod to move rightwards, the sliding sleeve 305 moves rightwards and drives the arc-shaped strip protrusion 306 fixed with the sliding sleeve to move rightwards, the arc-shaped strip protrusion 306 moves rightwards and drives the magnetic arc strip 307 fixed with the magnetic separation cylinder to move rightwards and come out of the first magnetic separation through hole 101, when the magnetic arc strip 307 moves leftwards and exceeds the second blanking hole 308, the magnetic generator 302 is closed, so that the magnetic arc strip 307 is not magnetic, the adsorbed magnetic magazines fall into the first waste bin 5 from the second blanking hole 308, and when the magnetic magazines fall into the first waste bin 5, controlling the output shaft of the magnetic separation cylinder 303 to extend outwards and enabling the magnetic arc bar 307 to be reinserted into the first magnetic separation through hole 101 through the transmission of the components;

the second magnetic separation component 4 comprises a second motor 401, a screw rod 402 and a nut seat 403, the second motor 401 is fixedly arranged at the bottom end of the second waste bin 12, the screw rod 402 is respectively rotatably connected with the second waste bin 12 and the first processing bin 1 through a bearing, one end of the screw rod 402 penetrates through the inner wall of the second waste bin 12 and extends to the outside thereof and is fixedly connected with an output shaft of the second motor 401, the outer end of the screw rod 402 is in threaded sleeve connection with the nut seat 403, the outer end of the nut seat 403 is provided with a plurality of connecting rods 404, the connecting rods 404 are distributed according to an annular array by taking the center of the screw rod 402 as the center, the top end part of the connecting rods 404 far away from the nut seat 403 is fixedly provided with a top block 405, the top surface of the top block 405 is fixedly provided with a magnetic separation disc 406, the top end of the magnetic separation disc 406 is fixedly provided with a plurality of magnetic separation round bulges 407, the magnetic separation round bulges 407 are arranged in the second magnetic separation through hole 102 and are movably connected with the second magnetic separation round bulges 407, and the diameters of the second magnetic separation round bulges 407 are the same as the second magnetic separation through hole 102, the top surface of the magnetic separation round bulge 407 is parallel to the top surface of the second magnetic separation through hole 102, and one connecting rod 404 is sleeved with a limiting slide rod;

when wheat enters the first processing bin 1, the second motor 401 is immediately started to work and control the output shaft of the second motor to rotate forward, the output shaft of the second motor 401 drives the screw rod 402 fixed with the second motor to rotate forward, the screw rod 402 drives the nut seat 403 in threaded sleeve joint with the screw rod to move downward after rotating forward, the nut seat 403 drives the connecting rod 404 fixed with the nut seat to move downward after moving downward, the connecting rod 404 drives the top block 405 fixed with the connecting rod to move downward after moving downward, the top block 405 drives the magnetic separation disc 406 fixed with the top block to move downward after moving downward, the magnetic separation disc 406 drives the magnetic separation round bulge 407 fixed with the magnetic separation round bulge to come out of the second magnetic separation through hole 102 after moving downward, meanwhile, the first motor 201 works and controls the output shaft of the first motor to rotate forward and at a low speed, the push plate 205 rotates forward to push the wheat, so that non-plump wheat and dust fall into the first waste bin 5 through the second magnetic separation through hole 102, wherein, the non-plump wheat is shriveled wheat, worm-eaten wheat and the like, after a certain time, the output shaft of the second motor 401 is controlled to rotate reversely, and the transmission of the components is carried out, so that the magnetic separation round bulge 407 is inserted into the second magnetic separation through hole 102 again to block the second magnetic separation through hole 102, then the first motor 201 controls the output shaft to rotate reversely at low and high speed to cut the wheat and blow the wheat into the second processing bin 7, when the wheat completely enters the second processing bin 7, the output shaft of the second motor 401 is controlled to rotate forwardly to enable the magnetic separation round bulge 407 to come out from the second magnetic separation through hole 102, and the magnetic generator 302 is closed to enable the powdery magnetic slag dust to fall into the first waste bin 5, and then the output shaft of the second motor 401 is controlled to rotate reversely to enable the magnetic separation round bulge 407 to be inserted into the second through hole 102 again;

the multistage grinding assembly 8 comprises rough grinding drums 801, a second rotating rod 802, a first fine grinding roller 804, a third rotating rod 805, a third motor 810, a fifth rotating rod 811 and a toothed chain 813, wherein the rough grinding drums 801 are symmetrically provided with two coarse grinding drums 801 which are meshed with each other, the second fine grinding roller 807 is abutted to two sides of the first fine grinding roller 804, the inner end of the second fine grinding roller 807 is fixedly connected with a fourth rotating rod 808, the inner ends of the rough grinding drums 801 and the first fine grinding roller 804 are respectively fixedly sleeved at the outer ends of the second rotating rod 802 and the third rotating rod 805, the second rotating rod 802, the third rotating rod 805 and the fourth rotating rod 808 are respectively and rotatably arranged in the second processing bin 7, the second rotating rod 802, the third rotating rod 805 and the fourth rotating rod 808 penetrate through the inner wall of the second processing bin 7 and extend to the outer part of the second processing bin and are respectively and fixedly sleeved with a first gear 803, a second gear 806 and a third gear 809, the first gear 803, the second gear 803 and the third gear are respectively sleeved at the inner end of the 806 and the toothed chain 813, the third motor 810 is fixedly arranged at the outer side of the second processing bin 7, an output shaft of the third motor 810 is fixedly connected with the fifth rotating rod 811, a fourth gear 812 is fixedly sleeved at the outer end of the fifth rotating rod 811, the fourth gear 812 is meshed with the second gear 806, and one first gear 803 is arranged;

when the wheat flour enters the second processing bin 7, the third motor 810 is started to work and the output shaft of the third motor is controlled to rotate, the output shaft of the third motor 810 drives the fifth rotating rod 811 fixed with the third rotating rod to rotate, the fifth rotating rod 811 drives the fourth gear 812 fixedly sleeved with the fifth rotating rod to rotate, the fourth gear 812 drives the second gear 806 meshed with the fourth gear to rotate after rotating, the second gear 806 drives the third rotating rod 805 fixed with the second gear to rotate and simultaneously transmits power to the third gear 809 and the first gear 803 through the toothed chain 813, so that the third gear 809 and the first gear 803 rotate and drive the fourth rotating rod 808 and the second rotating rod 802 fixed with the third rotating rod 805 to rotate, the first fine grinding roller 804 fixed with the third rotating rod 808 rotates, the second fine grinding roller 807 fixed with the fourth rotating rod 808 rotates after rotating, the second rotating rod 802 drives the rough grinding roller 801 fixed with the second rotating rod to rotate, the two rough grinding drums 801 are meshed with each other to extrude and crush the wheat crumbs further, then the wheat crumbs fall between the first fine grinding drum 804 and the second fine grinding drum 807, are extruded and ground into powder by the first fine grinding drum 804 and the second fine grinding drum 807, and are gathered and injected into the controllable screening assembly 10 through the gathering hopper 9;

the controllable screening component 10 comprises a fourth motor 1001, a sixth rotating rod 1002, a separating ring cylinder 1008 and a partition plate 1009, the fourth motor 1001 is fixedly arranged at the outer end of the second processing bin 7, one end of the sixth rotating rod 1002 is fixedly connected with an output shaft of the fourth motor 1001, the other end of the sixth rotating rod passes through the outer end wall of the second processing bin 7 and extends into the second processing bin 7, and is fixedly sleeved with a first bevel gear 1003, the first bevel gear 1003 is connected with a second bevel gear 1004 in a meshing manner, a transmission rod 1005 is fixedly sleeved at the inner end of the first bevel gear 1003, the partition plate 1009 is fixedly arranged in the second processing bin 7, two ends of the transmission rod 1005 are respectively rotatably connected with the bottom surface of the partition plate 1009 and the bottom wall of the second processing bin 7, the transmission rod 1005 and the sixth rotating rod 1002 are vertically arranged, a transmission gear 1006 is fixedly sleeved at the outer end of the transmission rod 1005, a fifth gear 1007 is connected in a meshing manner, and the fifth gear 1007 is fixedly sleeved at the outer end of the separating ring cylinder 1008, the separating ring cylinder 1008 is rotatably arranged in the second processing bin 7, the outer end of the top of the separating ring cylinder 1008 is rotatably abutted to the partition plate 1009, and the separating ring cylinder 1008 is arranged right below the material collecting bin 9;

a micro-control sieve barrel 1012 is rotationally arranged in the separating ring barrel 1008, the micro-control sieve barrel 1012 is provided with a first sieving hole 1015, the inner wall of the separating ring barrel 1008 is provided with a second sieving hole 1016, the first sieving hole 1015 is communicated with the second sieving hole 1016, the micro-control sieve barrel 1012 is matched with a positioning micro-cylinder 1013 for locking the movement of the micro-control sieve barrel, the positioning micro-cylinder 1013 is fixedly arranged in the bottom wall of the separating ring barrel 1008, the micro-control sieve barrel 1012 is provided with a plurality of positioning grooves 1014 matched with the positioning micro-cylinder 1013, the positioning grooves 1014 are arranged at equal intervals, a piston rod of the positioning micro-cylinder 1013 is movably arranged in the positioning grooves 1014, the bottom end of the micro-control sieve barrel 1012 is fixedly connected with a seventh rotating rod 1011, the center of the bottom end of the separating ring barrel 1008 is fixedly provided with a micro-motor 1010, one end of the seventh rotating rod 1011 penetrates through the bottom wall of the separating ring barrel 1008 and extends to the outside of the separating ring barrel 1010 and is fixedly connected with an output shaft of the micro-motor 1010, the micro-control sieve barrel 1012 and the separating ring barrel 1008 are provided with a damping gasket 1018, the bottom end of the damping gasket 1018 is fixedly arranged on the bottom wall of the separating ring cylinder 1008, the damping gasket 1018 is abutted against the bottom end of the micro-control sieve barrel 1012, the damping gasket 1018 is used for increasing the friction coefficient of the micro-control sieve barrel 1012 to ensure that the micro-control sieve barrel 1012 is easier to control when rotating, the top end of the micro-control sieve barrel 1012 is abutted against the top end wall of the separating ring cylinder 1008, the top end wall of the separating ring cylinder 1008 is provided with a feed inlet 1020, the tops of the micro-control sieve barrel 1012 and the separating ring cylinder 1008 are both provided with waste top holes 1017, the waste top holes 1017 are provided with guide ring parts, the material guide ring part and the micro-control sieve barrel 1012 are integrally arranged, the material guide ring part is abutted against the separating ring barrel 1008, a third blanking port 1021 is formed in the bottom wall of the separating ring barrel 1008, the third blanking port 1021 is respectively communicated with a second sieving hole 1016 and a discharge hopper 18, an anti-settling fan 1019 is fixedly arranged in the micro-control sieve barrel 1012, and the anti-settling fan 1019 is fixedly arranged at the bottom of the micro-control sieve barrel 1012;

the fourth motor 1001 is started to work and the output shaft of the fourth motor is controlled to rotate, the output shaft of the fourth motor 1001 drives a sixth rotating rod 1002 fixed with the fourth motor to rotate after rotating, the sixth rotating rod 1002 drives a first bevel gear 1003 fixed with the sixth rotating rod to rotate, the first bevel gear 1003 drives a second bevel gear 1004 meshed with the first bevel gear 1003 to rotate, the second bevel gear 1004 drives a transmission rod 1005 fixedly sleeved with the second bevel gear to rotate after rotating, the transmission rod drives a transmission gear 1006 fixedly sleeved with the transmission rod to rotate after rotating, the transmission gear 1006 drives a fifth gear 1007 to rotate after rotating, the fifth gear 1007 drives a separating ring cylinder 1008 fixed with the fifth gear to rotate after rotating, the separating ring cylinder 1008 rotates to drive a micro-control screen barrel 1012 in the separating ring cylinder to rotate, the micro-control screen barrel 1012 rotates to drive an anti-sinking fan 1019 fixed with the micro-control screen barrel to rotate, the anti-sinking fan 1019 rotates to blow and stir falling wheat flour, the wheat flour is blown and falls through a first screening hole 1015 and a second screening hole 1016 and enters a discharge hopper 18 through a third discharge port 1021 Meanwhile, wheat flour and wheat bran which do not pass through the first sieving hole 1015 and the second sieving hole 1016 can only enter the extension pipe 13 through the waste top hole 1017;

the micro motor 1010 is started to work, the output shaft of the micro motor 1010 is controlled to rotate in a certain angle in a directional mode, the output shaft of the micro motor 1010 is driven to rotate in a certain angle in a directional mode, the seventh rotating rod 1011 rotates to drive the micro-control screen barrel 1012 fixed with the micro motor 1010 to rotate in a certain radian, the first screening holes 1015 and the second screening holes 1016 are staggered and partially overlapped, the area of the first screening holes 1015 and the area of the second screening holes 1016, which are partially overlapped, are precisely controlled, the size of wheat flour passing through the first screening holes 1015 and the second screening holes 1016 is controlled, then the piston rod of the positioning micro cylinder 1013 is inserted into the positioning hole again, and the micro-control screen barrel 1012 is fixed again;

the third magnetic separation assembly 11 comprises an annular shell 1101, an oil cylinder main body 1102, a cylinder sleeve 1107 and magnetic separation arc sleeves 1104, wherein the annular shell 1101 is fixedly sleeved at the outer end of a discharge hopper 18, the oil cylinder main body 1102 is fixedly arranged in a second processing bin 7, the magnetic separation arc sleeves 1104 are provided with a plurality of magnetic separation arc sleeves 1104, the magnetic separation arc sleeves 1104 are distributed in an annular array by taking the central axis of the discharge hopper 18 as the center of a circle, magnetic separation bulges 1105 and second telescopic rods 1106 are respectively and fixedly arranged at two sides of the magnetic separation arc sleeves 1104, the cylinder sleeves 1107 correspond to the magnetic separation arc sleeves 1104 one by one, piston ring blocks 1108 are arranged in the cylinder sleeves 1107 in a sliding manner, one end of each second telescopic rod 1106 penetrates through the outer wall of the cylinder sleeve 1107 to extend into the interior of the cylinder sleeve and is fixedly connected with the piston ring blocks 1108, one-to-multiple connecting pieces 1103 are arranged at one end of the oil cylinder main body 1102 in a penetrating manner, the other end of the cylinder sleeve 1107 is connected with a one-to-multiple control valve through a conduit, the magnetic separation bulges 1105 are movably arranged in a third magnetic separation through hole 1801 and are in a sliding manner to abut against the inner wall, a fourth blanking port 1109 is formed in the bottom end of the annular shell 1101, and the fourth blanking port 1109 is in through connection with the second waste bin 12;

the wheat flour which is carefully selected by the controllable screening component 10 enters the discharge hopper 18, a storage leather bag is arranged at the lower end of the discharge hopper 18 and is used for storing the wheat flour, at the moment, the magnetic separation bulge 1105 is used for further adsorbing magnetic adsorption magazines in the wheat flour, after the wheat flour is stored, the oil cylinder main body 1102 is started to work and recovering oil bodies in the oil cylinder main body, the oil bodies flow back through a multi-transfer piece 1103, so that the oil bodies in the cylinder sleeve 1107 are reduced, after the oil bodies in the cylinder sleeve 1107 are reduced, a piston ring block 1108 in the cylinder sleeve is driven to move rightwards, the piston ring block 1108 moves rightwards and drives a second telescopic rod 1106 fixed with the piston ring block to move towards the direction far away from the discharge hopper 18, the second telescopic rod 1106 drives a magnetic separation arc sleeve 1104 fixed with the second telescopic rod to move towards the direction far away from the discharge hopper 18, so that the magnetic separation bulge 1105 comes out of the third magnetic separation through hole 1801, then the magnetic generator 302 is closed, and the adsorbed magnetic magazines fall into a second waste bin 12 through a fourth discharge port 1109, then the oil cylinder main body 1102 is controlled to push the oil body out, and the magnetic separation protrusion 1105 is reinserted into the third magnetic separation through hole 1801 through the transmission of the components;

the three magnetic generators 302 are respectively corresponding to the first magnetic separation component 3, the second magnetic separation component 4 and the third magnetic separation component 11, and the generation and the termination of the magnetism of the magnetic generators are controlled;

the working principle is as follows:

the method comprises the following steps: introducing wheat into a first processing bin 1, starting a stirring flying component 2 to work, so that the wheat is pushed to lift, wherein magnetic adsorption impurities of the wheat are adsorbed by a first magnetic separation component 3, meanwhile, non-plump wheat and dust in the wheat fall into a first waste bin 5 through a second magnetic separation through hole 102, then starting a second magnetic separation component 4 to block the second magnetic separation through hole 102, starting the stirring flying component 2 to rotary cut the wheat and blow the wheat, opening a discharge electromagnetic valve 6 after a period of time, so that the blown wheat is crushed into a second processing bin 7, starting the first magnetic separation component 3 and the second magnetic separation component 4 to leave a first magnetic separation through hole 101 and a second magnetic separation through hole 102 respectively after the wheat is completely discharged from the first processing bin 1, and dropping the carried magnetic adsorption waste into the first waste bin 5 to be collected;

step two: after the wheat flour is crushed and enters the second processing bin 7, the multi-stage flour milling assembly 8 and the controllable screening assembly 10 are started, after the multi-stage flour milling assembly 8 works, the wheat flour is crushed, ground, roughly processed, extruded, ground and finely processed, and then falls into the collecting hopper 9, then is collected by the collecting hopper 9 and is injected into the controllable screening assembly 10, at the moment, the grain size of the wheat flour discharge is accurately adjusted and controlled, then the controllable screening assembly 10 is started to rotate and lift and screen the wheat flour, so that the accurately screened wheat flour enters the discharge hopper 18, then other parts of wheat enter the thread returning device 14 through the extension pipe 13, and then is transferred to the top cavity of the second processing bin 7 again through the thread returning device 14, and the steps are circulated until the wheat flour with the required grains cannot be screened; wherein the wheat flour can be further graded by screening the size of the wheat flour particles, the larger the wheat flour particles are, the lower the grade thereof is, thereby supplying customers with different requirements;

step three: after the wheat flour enters the discharge hopper 18, the third magnetic separation component 11 adsorbs magnetic adsorption impurities inside the wheat flour again, then the third magnetic separation component 11 is controlled to drop the magnetic adsorption impurities to the second waste bin 12 for collection, and a storage leather bag is arranged at the bottom end of the discharge hopper 18 in advance to store the carefully selected and purified wheat flour; by integrating the technical scheme, the invention realizes the multiple grinding of wheat and the smaller and more delicate wheat flour particles by arranging the stirring flying component 2 and the multi-stage grinding component 8, adsorbs and removes magnetically adsorbed impurities in the wheat, the wheat crumbs and the wheat flour by arranging the first magnetic separation component 3, the second magnetic separation component 4 and the third magnetic separation component 11, filters and removes non-full wheat and dust in the wheat, thereby improving the quality of the wheat, and further improves the purity and the quality of the wheat flour by arranging the controllable screening component 10 to carry out controllable screening through the wheat flour particles, enhances the intelligent degree of equipment, improves the production efficiency, solves the problems that the traditional wheat firstly picks the magnetically adsorbed impurities and particle wastes by manpower, wastes time and labor, and also solves the problem that the intelligent degree of the common screening machine for screening the wheat flour is lower, when the wheat grains with different sizes are obtained by screening, the wheat grains can be screened only by replacing the screening net.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. Wheat flour processing system based on magnetic screening, including first processing storehouse (1), ejection of compact solenoid valve (6), second processing storehouse (7), extension pipe (13), screw thread feed back ware (14), raw materials import (15), play hopper (18) and atomizing nozzle (19), first processing storehouse (1) is fixed to be located the top surface of second processing storehouse (7), atomizing nozzle (19) are fixed to be located in first processing storehouse (1), and atomizing nozzle (19) locate the top, go out hopper (18) through-connection in the bottom surface center department of second processing storehouse (7), the material import is installed in the bottom of first processing storehouse (1), and the bottom and ejection of compact solenoid valve (6) through-connection of first processing storehouse (1), the one end that first processing storehouse (1) was kept away from in ejection of compact solenoid valve (6) is through-connection with second processing storehouse (7) through the pipe, the extension pipe (13) is fixedly arranged at the bottom of the second processing bin (7) and is in through connection with the second processing bin, the extension pipe (13) is in through connection with the thread material returning device (14), one side, far away from the extension pipe (13), of the thread material returning device (14) is in through connection with the second processing bin (7), and the thread material returning device (14) and the second processing bin are obliquely arranged;

the magnetic separation device is characterized in that a stirring scrap fly component (2) is arranged in the first processing bin (1), the stirring scrap fly component (2) is rotatably arranged in the first processing bin (1), a first magnetic separation through hole (101) and a second magnetic separation through hole (102) are formed in the first processing bin (1), the first magnetic separation through hole (101) is formed in the side wall of the first processing bin (1), the second magnetic separation through hole (102) is formed in the bottom wall of the first processing bin (1), a first magnetic separation component (3) is in clearance fit with the first magnetic separation through hole (101), a second magnetic separation component (4) is in clearance fit with the second magnetic separation through hole (102), the first magnetic separation component (3) is arranged at the bottom end of the first processing bin (1), the second magnetic separation component (4) is arranged at the outer end of the first processing bin (1), and the first magnetic separation component (3) are suitable for a first waste bin (5), the first waste box (5) is fixedly arranged at the bottom end of the first processing bin (1);

be equipped with multistage crocus subassembly (8) and controllable screening subassembly (10) in second processing storehouse (7), the top of controllable screening subassembly (10) is located in multistage crocus subassembly (8), and is equipped with between multistage crocus subassembly (8) and the controllable screening group and converges hopper (9), the both ends of multistage crocus subassembly (8) respectively with go out hopper (18) and converge hopper (9) through connection, third magnetic separation through-hole (1801) has been seted up to the inner wall that goes out hopper (18), third magnetic separation through-hole (1801) adaptation has third magnetic separation subassembly (11), the outer end of hopper (18) is located in third magnetic separation subassembly (11), and the bottom through connection of third magnetic separation subassembly (11) has second dump box (12), the outer end of hopper (18) is located to second dump box (12) fixed cover, the lowest end department of first dump box (5), second dump box (12) and screw thread feed back ware (14) all is connected with thread pipe (waste material), (the screw thread pipe) (the: (12) 16) The waste material threaded pipe (16) is in threaded connection with a waste material threaded cover (17).

2. The magnetic screening-based wheat flour processing system according to claim 1, wherein the stirring, crushing and flying assembly (2) comprises a first motor (201) and a first rotating rod (202), the first motor (201) is fixedly arranged at the top end of the first processing bin (1), the first rotating rod (202) is rotatably arranged in the first processing bin (1), one end of the first rotating rod (202) penetrates through the inner wall of the first processing bin (1) to extend to the outside of the first processing bin and is fixedly connected with the output shaft of the first motor (201), the outer end of the first rotating rod (202) is fixedly provided with a fan (203), a mixing rod (204) and a push plate (205), the fan (203), the mixing rod (204) and the push plate (205) are sequentially arranged from top to bottom, the fan (203), the mixing rod (204) and the push plate (205) are provided with a plurality of fans (203), the mixing rod (204) and the push plate (205) are distributed according to a circular array of the circle center of the central axis of the first rotating rod (202), a plurality of ring-cutting knives (206) are fixedly arranged on one side of the push plate (205), one ring-cutting knife (206) corresponds to one push plate (205), and the bottom end of the push plate (205) is abutted against the bottom wall of the first processing bin (1).

3. The wheat flour processing system based on magnetic screening of claim 1, wherein the first magnetic separation assembly (3) comprises a magnetic separation arc shell (301), a magnetic generator (302), a magnetic separation cylinder (303) and a first telescopic rod (304), the outer end of the first processing bin (1) is sleeved with the magnetic separation arc shell (301), the magnetic separation arc shell (301) is arranged at a first magnetic separation through hole (101), the magnetic generator (302) is fixedly arranged at the top end of the magnetic separation arc shell (301), the magnetic separation cylinder (303) is fixedly arranged at one side of the magnetic separation arc shell (301), a piston rod of the first telescopic cylinder (303) is fixedly connected with the rod of the first telescopic cylinder (303), one end of the first telescopic rod (304) is fixedly connected with a sliding sleeve (305), the sliding sleeve (305) is fixedly provided with a plurality of arc-shaped strip protrusions (306), and the magnetic arc strips (307) are arranged in the arc-shaped strip protrusions (306), the side of magnetism arc strip (307) sets up with the side parallel and level of the protruding (306) of arc strip, and magnetism arc strip (307) locate the one side of keeping away from first telescopic link (304), the protruding (306) of arc strip agrees with first magnetic separation through-hole (101) size, the tip butt of sliding sleeve (305) in the inner wall of magnetic separation arc shell (301) and rather than sliding connection, second blanking mouth (308) have been seted up in magnetic separation arc shell (301), second blanking mouth (308) and first dump bin (5) through connection.

4. The wheat flour processing system based on magnetic screening of claim 1, wherein the second magnetic separation assembly (4) comprises a second motor (401), a screw rod (402) and a nut seat (403), the second motor (401) is fixedly arranged at the bottom end of the second waste bin (12), the screw rod (402) is rotatably connected with the second waste bin (12) and the first processing bin (1) through bearings respectively, one end of the screw rod (402) penetrates through the inner wall of the second waste bin (12) to extend to the outside and is fixedly connected with an output shaft of the second motor (401), the outer end of the screw rod (402) is in threaded connection with the nut seat (403), the outer end of the nut seat (403) is provided with a plurality of connecting rods (404), the connecting rods (404) are distributed in an annular array by taking the center of the screw rod (402) as a circle center, the top end parts of the connecting rods (404) far away from the nut seat (403) are fixedly provided with a top block (405), the fixed magnetic separation dish (406) that is equipped with of top surface of kicking block (405), the fixed magnetic separation round bulge (407) that is equipped with in top of magnetic separation dish (406), magnetic separation round bulge (407) locate in second magnetic separation through-hole (102) and rather than swing joint, and magnetic separation round bulge (407) and second magnetic separation through-hole (102) diameter the same, and the top surface parallel arrangement of the top surface of magnetic separation round bulge (407) and second magnetic separation through-hole (102).

5. The magnetic screening-based wheat flour processing system according to claim 1, wherein the multi-stage flour milling assembly (8) comprises two rough grinding drums (801), two second rotating rods (802), a first fine grinding drum (804), a third rotating rod (805), a third motor (810), a fifth rotating rod (811) and a toothed chain (813), the rough grinding drums (801) are symmetrically provided, the two rough grinding drums (801) are meshed with each other, the second fine grinding drum (807) is abutted against two sides of the first fine grinding drum (804), the fourth rotating rod (808) is fixedly attached to the inner end of the second fine grinding drum (807), the inner ends of the rough grinding drums (801) and the first fine grinding drum (804) are fixedly sleeved on the second rotating rod (802) and the third rotating rod (805), the second rotating rod (802), the third rotating rod (805) and the fourth rotating rod (808) are rotatably provided in the second processing bin (7), the second rotating rod (802), the third rotating rod (805) and the fourth rotating rod (808) penetrate through the inner wall of the second machining bin (7), extend to the outside of the second machining bin and are respectively fixedly sleeved with a first gear (803), a second gear (806) and a third gear (809), the first gear (803), the second gear (806) and the third gear (809) are all sleeved at the inner end of a toothed chain (813) and are in meshed connection with the inner end of the toothed chain, the third motor (810) is fixedly arranged on the outer side of the second machining bin (7), an output shaft of the third motor (810) is fixedly connected with the fifth rotating rod (811), the outer end of the fifth rotating rod (811) is fixedly sleeved with the fourth gear (812), and the fourth gear (812) is in meshed connection with the second gear (806).

6. The wheat flour processing system based on magnetic screening as claimed in claim 1, wherein the controllable screening component (10) comprises a fourth motor (1001), a sixth rotating rod (1002), a separating ring cylinder (1008) and a separating plate (1009), the fourth motor (1001) is fixedly arranged at the outer end of the second processing bin (7), one end of the sixth rotating rod (1002) is fixedly connected with the output shaft of the fourth motor (1001), the other end of the sixth rotating rod penetrates through the outer end wall of the second processing bin (7) and extends into the second processing bin (7) and is fixedly sleeved with a first bevel gear (1003), the first bevel gear (1003) is engaged with a second bevel gear (1004), the inner end of the first bevel gear (1003) is fixedly sleeved with a transmission rod (1005), the separating plate (1009) is fixedly arranged in the second processing bin (7), two ends of the transmission rod (1005) are respectively and rotatably connected with the bottom surface of the separating plate (1009) and the bottom wall of the second processing bin (7), the transmission rod (1005) and the sixth rotating rod (1002) are vertically arranged, a transmission gear (1006) is fixedly sleeved at the outer end of the transmission rod (1005), the transmission gear (1006) is connected with a fifth gear (1007) in a meshed mode, the fifth gear (1007) is fixedly sleeved at the outer end of the separating ring cylinder (1008), the separating ring cylinder (1008) is rotatably arranged in the second processing bin (7), the outer end of the top of the separating ring cylinder (1008) is rotatably abutted to a separating plate (1009), and the separating ring cylinder (1008) is arranged right below the material collecting bin (9);

a micro-control sieve barrel (1012) is rotationally arranged in the separating ring barrel (1008), a first sieving hole (1015) is formed in the micro-control sieve barrel (1012), a second sieving hole (1016) is formed in the inner wall of the separating ring barrel (1008), the first sieving hole (1015) is communicated with the second sieving hole (1016), a seventh rotating rod (1011) is fixedly connected to the bottom end of the micro-control sieve barrel (1012), a micro motor (1010) is fixedly arranged at the center of the bottom end of the separating ring barrel (1008), one end of the seventh rotating rod (1011) rotatably penetrates through the bottom wall of the separating ring barrel (1008) to extend to the outside of the separating ring barrel and is fixedly connected with an output shaft of the micro motor (1010), the top end of the micro-control sieve barrel (1012) is abutted against the top end wall of the separating ring barrel (1008), a feeding hole (1020) is formed in the top end of the separating ring barrel (1008), waste top holes (1017) are formed in the tops of the micro-control sieve barrel (1012) and the separating ring barrel (1008), waste material apical pore (1017) department is equipped with guide ring portion, and guide ring portion and micro-control sieve bucket (1012) set up as an organic whole, guide ring portion and separating ring section of thick bamboo (1008) butt, third blanking mouth (1021) have been seted up to the diapire of separating ring section of thick bamboo (1008), third blanking mouth (1021) second screening hole (1016) and play hopper (18) through connection respectively, micro-control sieve bucket (1012) internal fixation is equipped with prevents counter fan (1019), prevent that counter fan (1019) is fixed in the bottom of micro-control sieve bucket (1012).

7. The magnetic screening-based wheat flour processing system according to claim 6, wherein the micro-control screen barrel (1012) and the separating ring barrel (1008) are provided with a damping gasket (1018), the bottom end of the damping gasket (1018) is fixedly arranged on the bottom wall of the separating ring barrel (1008), and the damping gasket (1018) abuts against the bottom end of the micro-control screen barrel (1012).

8. The magnetic screening-based wheat flour processing system according to claim 6, wherein the micro-control sieve barrel (1012) is fitted with a positioning micro-cylinder (1013) for locking the movement thereof, the positioning micro-cylinder (1013) is fixedly arranged in the bottom wall of the separating ring barrel (1008), the micro-control sieve barrel (1012) is provided with a plurality of positioning grooves (1014) adapted to the positioning micro-cylinder (1013), and the piston rod of the positioning micro-cylinder (1013) is movably arranged in the positioning grooves (1014).

9. The wheat flour processing system based on magnetic screening as claimed in claim 1, wherein the third magnetic separation assembly (11) comprises an annular housing (1101), a cylinder body (1102), a cylinder sleeve (1107) and a magnetic separation arc sleeve (1104), the annular housing (1101) is fixedly sleeved at the outer end of the discharge hopper (18), the cylinder body (1102) is fixedly arranged in the second processing bin (7), a plurality of magnetic separation arc sleeves (1104) are arranged, the magnetic separation arc sleeves (1104) are distributed in an annular array by taking the central axis of the discharge hopper (18) as the center of a circle, magnetic separation protrusions (1105) and second telescopic rods (1106) are respectively and fixedly arranged at two sides of the magnetic separation arc sleeve (1104), the cylinder sleeves (1107) correspond to the magnetic separation arc sleeves (1104) one by one, piston ring blocks (1108) are arranged in the cylinder sleeves (1107), one end of each second telescopic rod (1106) penetrates through the outer wall of the cylinder sleeve (1107) and extends to the interior of the cylinder sleeve (1107) and is fixedly connected with the piston ring blocks (1108), one end of hydro-cylinder main part (1102) link up and installs one and lead to many revolving parts (1103), the other end of cylinder liner (1107) passes through pipe and one leads to many control valve through connections, magnetic separation protrusion (1105) activity is located in third magnetic separation through-hole (1801) and slides the butt with the inner wall, fourth blanking mouth (1109) have been seted up to the bottom of annular casing (1101), fourth blanking mouth (1109) and second dump bin (12) through connections.

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