CN112934656A

CN112934656A - Flour processing is with preventing blockking up impurity screening system

Info

Publication number: CN112934656A
Application number: CN202110194218.5A
Authority: CN
Inventors: 龚婉婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-06-11

Abstract

The invention discloses an anti-blocking impurity screening system for flour processing, which comprises a first fixing frame and a second fixing frame, wherein the first fixing frame is fixedly connected with the second fixing frame, the height of the second fixing frame is lower than that of the first fixing frame, a screening barrel is fixedly arranged at the top of the first fixing frame, an arc baffle extends from the edge of the top of one side of the screening barrel, a grading screening mechanism is arranged at the inner side of the screening barrel, the grading screening mechanism comprises screening bins which are vertically and symmetrically arranged on the inner wall of the screening barrel, the inner walls of the two groups of screening bins are fixedly connected with semi-arc fixing disks, the two groups of semi-arc fixing disks are reversely arranged, a plurality of anti-blocking rods are arranged on the outer surfaces of the two groups of semi-arc fixing disks, the plurality of anti-blocking rods are made of rubber materials, and a rotating rod is arranged at the middle position in the screening barrel, so that flour can be, the effect of edulcoration and screening is better, and secondly, the material loading of being convenient for reduces the work load that the user of service resisted lifting.

Description

Flour processing is with preventing blockking up impurity screening system

Technical Field

The invention relates to the technical field of flour processing, in particular to an anti-blocking impurity screening system for flour processing.

Background

Flour processing is through the extrusion grinding with grinding device, make the wheat grind to meticulous flour, in order to make things convenient for people to process into different wheaten food, the wheat grinds and need process the screening after becoming the flour, in current screening plant, moreover, the steam generator is simple in structure, thereby it influences the effect of screening to lead to the fact the hindrance so that impurity in the flour can not filter, thereby cause the hindrance for producing meticulous flour, and flour causes the screen cloth to block up easily when screening and through the anti problem that lifts influence screening efficiency of artificial transport at the material loading in-process, need improve.

Disclosure of Invention

The invention aims to provide an anti-blocking impurity screening system for flour processing, and aims to solve the problems of poor screening effect, low conveying and feeding efficiency, time and labor waste in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: an anti-blocking impurity screening system for flour processing comprises a first fixing frame and a second fixing frame, wherein the first fixing frame is fixedly connected with the second fixing frame, the height of the second fixing frame is lower than that of the first fixing frame, a screening barrel is fixedly installed at the top of the first fixing frame, an arc baffle extends from the top edge of one side of the screening barrel, a grading and screening mechanism is arranged on the inner side of the screening barrel and comprises screening bins which are vertically and symmetrically installed on the inner wall of the screening barrel, the inner walls of the two groups of screening bins are fixedly connected with semi-arc fixing disks, the two groups of semi-arc fixing disks are arranged in a reverse direction, a plurality of anti-blocking rods are installed on the outer surfaces of the two groups of semi-arc fixing disks, the anti-blocking rods are made of rubber materials, a rotating rod is arranged in the middle of the screening barrel, and circular screen meshes are sleeved at the upper end and the lower end, the upper and lower ends of two groups of semi-arc-shaped fixed disks and the circular screen are respectively attached with a limiting sleeve, four groups of limiting sleeves are movably sleeved on the outer side of a rotating rod, a plurality of groups of through holes are respectively arranged on the inner sides of the two groups of circular screen, a plurality of anti-blocking rods are movably inserted in the inner sides of the plurality of groups of through holes, a scraper is arranged on the outer side of the rotating rod close to the top of the inner side of a screening bin, one end of the rotating rod penetrates through the bottom of the screening barrel and the bottom of a first fixed rack, the end part of the rotating rod is provided with a rotating mechanism, the top of the inner side of the two groups of screening bins is provided with a material guide port, the outer wall of one side of the screening barrel is communicated with a material discharge channel, one side of the first fixed rack is fixedly connected with a material storage box, the, two sets of the U-shaped pole outside all is provided with the moving mechanism, the inboard of moving mechanism is connected with the workbin that falls jointly, discharge passage is just to the top of workbin that falls, it has the U-shaped case to extend to fall workbin one end, one side outer wall of U-shaped case is provided with defeated material mechanism, the inboard top of workbin that falls is close to U-shaped case position department and is fixed to clamp and has the rectangle fine screen cloth, rectangle fine screen cloth top extends upwards to have the arc fine screen cloth, the outer wall of blanking case both sides is kept away from rectangle fine screen cloth one end and all is provided with slide mechanism.

Preferably, feed mechanism includes the installation room of fixed mounting in the inboard bottom of storage box, installation room inboard intermediate position fixed mounting has No. three motors, No. three motor output end fixedly connected with pivots, the one end of pivot runs through the top of storage box, the outside fixed mounting of pivot has helical blade, the laminating in the helical blade outside has the conveying pipe, the outside cover of conveying pipe is equipped with fixed cover, fixed cover activity card dress is at the top of storage box, the conveying pipe top is the setting of buckling, and the tip opens in screening bucket top, the fly leaf is equipped with to storage box one side outer wall activity card.

Preferably, the rotating mechanism comprises a second motor fixedly installed at the bottom of the first fixing frame, and the output end of the second motor is connected with the rotating rod.

Preferably, defeated material mechanism includes that the activity card adorns at the inside end cap of U-shaped case one side, the bar groove has all been seted up to end cap both ends outer wall, U-shaped case outer wall top position all is provided with stop gear.

Preferably, the limiting mechanism comprises a limiting rod movably inserted into the inner side of the strip-shaped groove, a fixed plate is fixedly mounted above the outer side of the U-shaped box, and the limiting rod is connected with the fixed plate in a sliding manner.

Preferably, the movable mechanism comprises mounting sleeves which are symmetrically sleeved at two ends of the outer side of the U-shaped rod, the bottoms of the mounting sleeves are fixedly connected with concave seats, and the bottoms of the concave seats are connected with a connecting mechanism and an elastic mechanism from left to right.

Preferably, the connecting mechanism comprises a sliding plate rotatably mounted on the inner side of the left concave seat, the inner side of the sliding plate is rotatably connected with a connecting rod, and the connecting rod is rotatably connected with the blanking box.

Preferably, the elastic mechanism comprises a square sleeve arranged on the inner side of the concave seat on the right side, a spring is clamped on the inner side of the square sleeve, a sliding column is attached to the bottom of the spring and is in sliding connection with the square sleeve, a pulley is rotatably connected to one end of the sliding column, and the pulley is attached to the bottom of the blanking box in a rolling mode.

Preferably, slide mechanism includes that fixed connection keeps away from the arc slide of rectangle fine screen cloth one end at work bin one side outer wall that falls, the surface roll laminating of arc slide has the leading wheel, slip post and leading wheel active contact, the inboard cover of leading wheel is equipped with the guide arm, the one end that the guide wheel was kept away from to the guide arm is rotated and is connected with the support arm, the support arm inboard clamps the rolling disc, No. one motor of rolling disc one end outer wall fixedly connected with, No. one the fixed cover in motor bottom is equipped with the mount pad, mount pad fixed connection is at the top of No. two mount one sides.

Compared with the prior art, the invention has the beneficial effects that:

1. through setting up hierarchical screening mechanism, the transport of accessible feed mechanism sieves flour, can drive circular screen cloth at screening in-process slewing mechanism and rotate, thereby make the in-process that falls at flour sieve and filter impurity, can make the through-hole of jam in the circular screen cloth slide and disclose along with circular screen cloth's rotation at the surface of half arc fixed disk through setting up many rubber materials prevents stifled pole, its impurity can rotate thereupon, when the machine stop work, upwards promote the fixed cover of cover establishment in the material loading pipe outside, rotate the material loading pipe to the one side of keeping away from the screening bucket, take out the stop collar layer upon layer again and take out circular screen cloth and half arc fixed disk and can handle impurity.

2. Can carry the inside surface fabric in screening storehouse through setting up the scraper blade, the scraper blade can be with leading-in to guide mouth department of inside flour when rotating to communicate the flour in two sets of screening storehouses, so that the flour falls into the inside of blanking box again through discharge passage.

3. Through setting up coupling mechanism and elastic mechanism, can drive blanking box opposite side and shake to sieve flour once more, sieve comparatively meticulous flour out.

4. Rotation through setting up a slide mechanism accessible motor drives the rolling disc and the inboard support arm of rolling disc rotates, the support arm can drive the guide arm at the pivoted in-process and carry out circular shape guide rail and remove, the length and the circumference orbit of guide arm can drive the leading wheel and slide in the outside of arc slide this moment, and contact with the slip post, the pulley of slip post below this moment can roll bottom the blanking box, the tail end of blanking case will shake this moment, thereby when arranging material at last to flour, flour through can be overturned and fall on rectangle fine screen cloth and arc fine screen cloth, just can reach the purpose of at last fine screening this moment.

5. Through set up helical blade in the inboard of material storage box, can carry the material loading with the inside flour of material storage box is automatic to alleviate the anti work load of lifting the material loading process that the user of service frequently, it is not only efficient, it is more laborsaving moreover.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of another angle structure shown in FIG. 1;

FIG. 3 is a sectional view of the inner structure of the sieving barrel of FIG. 1;

FIG. 4 is a sectional view of the feeding mechanism shown in FIG. 1;

FIG. 5 is a sectional view showing the internal structure of the storage box of FIG. 1;

FIG. 6 is a schematic view of the connection structure of the blanking box of FIG. 1 with the movable mechanism, the connecting mechanism and the limiting mechanism;

FIG. 7 is a sectional view of the internal structure of the elastic mechanism in FIG. 1;

FIG. 8 is a sectional view of the internal structure of the screening bin of FIG. 3;

fig. 9 is a schematic view of the internal structure of the circular screen and the anti-blocking rod.

In the figure: 1. a first fixing frame; 2. a screening barrel; 3. an arc-shaped baffle plate; 4. a feed pipe; 5. a material storage box; 6. a movable plate; 7. fixing a column; 8. a U-shaped box; 9. an arc-shaped fine screen; 10. a first motor; 11. a mounting seat; 12. rotating the disc; 13. an arc-shaped slideway; 14. a second fixing frame; 15. a second motor; 16. a feed inlet; 17. a U-shaped rod; 18. a guide wheel; 19. a discharge channel; 20. a semi-arc shaped fixed disk; 21. a circular screen; 22. an anti-blocking rod; 23. a plug; 24. a strip-shaped groove; 25. a fixing plate; 26. a limiting rod; 27. blanking the material box; 28. a third motor; 29. an installation chamber; 30. a rotating rod; 31. a helical blade; 32. a rotating shaft; 33. a sliding post; 34. a connecting rod; 35. a slide plate; 36. a concave seat; 37. a rectangular fine screen; 38. a guide arm; 39. a pulley; 40. a spring; 41. a squeegee; 42. screening the bin; 43. and (4) a support arm.

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.

Referring to fig. 1-9, the present invention provides a technical solution: an anti-blocking impurity screening system for flour processing comprises a first fixing frame 1 and a second fixing frame 14, wherein the first fixing frame 1 is fixedly connected with the second fixing frame 14, the height of the second fixing frame 14 is lower than that of the first fixing frame 1, a screening barrel 2 is fixedly arranged at the top of the first fixing frame 1, an arc baffle 3 extends from the top edge of one side of the screening barrel 2, a grading screening mechanism is arranged at the inner side of the screening barrel 2 and comprises screening bins 42 which are vertically and symmetrically arranged on the inner wall of the screening barrel 2, the inner walls of the two sets of screening bins 42 are fixedly connected with semi-arc fixing disks 20, the two sets of semi-arc fixing disks 20 are reversely arranged, a plurality of anti-blocking rods 22 are arranged on the outer surfaces of the two sets of semi-arc fixing disks 20, the plurality of anti-blocking rods 22 are made of rubber materials, a rotating rod 30 is arranged at the middle position in the screening barrel 2, and circular screen meshes, the upper and lower ends of two groups of semi-arc-shaped fixed disks 20 and circular screen meshes 21 are respectively attached with a limiting sleeve, four groups of limiting sleeves are respectively movably sleeved on the outer sides of the rotating rods 30, the inner sides of the two groups of circular screen meshes 21 are respectively provided with a plurality of groups of through holes, a plurality of anti-blocking rods 22 are movably inserted in the inner sides of the groups of through holes, the outer sides of the rotating rods 30 close to the top parts of the inner sides of the screening bins 42 are respectively provided with a scraper 41, one end of each rotating rod 30 penetrates through the bottoms of the screening barrels 2 and the first fixed frame 1, the end parts of each rotating rod are provided with a rotating mechanism, the top parts of the inner sides of the two groups of screening bins 42 are respectively provided with a material guide port, the outer wall of one side of the screening barrel 2 is communicated with a material discharge channel 19, one side of the first fixed frame 1 is fixedly connected with a material, the two sets of U-shaped pole 17 outsides all is provided with the moving mechanism, the inboard of moving mechanism is connected with blanking case 27 jointly, discharge passage 19 is just to blanking case 27's top, blanking case 27 one end is extended there is U-shaped case 8, one side outer wall of U-shaped case 8 is provided with defeated material mechanism, blanking case 27 inboard top is close to U-shaped case 8 position department fixing clip and is equipped with rectangle fine screen cloth 37, rectangle fine screen cloth 37 top extends upwards to have arc fine screen cloth 9, blanking case 27 both sides outer wall is kept away from rectangle fine screen cloth 37 one end and all is provided with slide mechanism.

Feed mechanism includes the installation room 29 of fixed mounting in the inboard bottom of storage box 5, installation room 29 inboard intermediate position fixed mounting has No. three motor 28, No. three motor 28 output end fixedly connected with pivot 32, the top of storage box 5 is run through to the one end of pivot 32, the outside fixed mounting of pivot 32 has helical blade 31, the laminating has conveying pipe 4 in the helical blade 31 outside, the outside cover of conveying pipe 4 is equipped with fixed cover, fixed cover activity card dress is at the top of storage box 5, conveying pipe 4 top is the setting of buckling, and the tip opens in screening bucket 2 tops, movable card is equipped with fly leaf 6 in 5 one side outer wall of storage box.

Can be convenient for carry out first screening and filtration impurity to flour through setting up screening bucket 2, under slewing mechanism's drive, can drive circular screen 21 and rotate, thereby make the in-process that falls at flour sieve the filtration, prevent blocking up pole 22 through setting up many rubber materials can make the through-hole of jam in the circular screen 21 slide and disclose along with circular screen 21's rotation at the surface of half arc fixed disk 20, its impurity can rotate thereupon, when the machine stop work, upwards promote the cover and establish the fixed cover in the conveying pipe 4 outside, rotate conveying pipe 4 to the one side of keeping away from screening bucket 2, take out the stop collar once more and take out circular screen 21 and half arc fixed disk 20 layer by layer and can handle impurity, can be with the in-process of pouring flour through setting up cowl 3, prevent to fall into the place beyond screening bucket 2.

The movable plate 6 is arranged to maintain the structure inside the storage box 5 in the later period, and the rotating shaft 32 can be driven to rotate by the driving of the third motor 28, so that the helical blades 31 can feed flour inside the storage box 5 in a rotating manner.

The rotating mechanism comprises a second motor 15 fixedly installed at the bottom of the first fixing frame 1, and the output end of the second motor 15 is connected with the rotating rod 30.

Can drive bull stick 30 through setting up No. two motor 15 and rotate to make the circular screen cloth 21 in the bull stick 30 outside rotate, carry out the work of screening, carry out the work of preventing blocking up simultaneously.

Defeated material mechanism includes that the activity card adorns at the inside end cap 23 of U-shaped case 8 one side, and bar groove 24 has all been seted up to end cap 23 both ends outer wall, and 8 outer wall top positions of U-shaped case all are provided with stop gear.

The limiting mechanism comprises a limiting rod 26 movably inserted into the inner side of the strip-shaped groove 24, a fixing plate 25 is fixedly mounted at the upper position of the outer side of the U-shaped box 8, and the limiting rod 26 is connected with the fixing plate 25 in a sliding mode.

Can carry out spacing and fixed with end cap 23 through setting up fixed plate 25 and gag lever post 26, slide the cartridge through gag lever post 26 and at the bar groove 24 outside with fixed plate 25 sliding connection to make and store flour.

The movable mechanism comprises mounting sleeves which are symmetrically sleeved at two ends of the outer side of the U-shaped rod 17, the bottoms of the two groups of mounting sleeves are fixedly connected with concave seats 36, and the bottoms of the two groups of concave seats 36 are respectively connected with a connecting mechanism and an elastic mechanism from left to right.

The U-shaped rod 17 is used for supporting the moving capability of the blanking box 27, so that the blanking box 27 is movably arranged in the suspension.

The connecting mechanism comprises a sliding plate 35 which is rotatably arranged on the inner side of a left concave seat 36, the inner side of the sliding plate 35 is rotatably connected with a connecting rod 34, and the connecting rod 34 is rotatably connected with the blanking box 27.

The mounting and connection of the drop box 27 is facilitated by the provision of the female socket 36 and the connecting rod 34, so that a fine screening is being performed by the drop box 27.

The elastic mechanism comprises a square sleeve arranged on the inner side of the right concave seat 36, a spring 40 is clamped on the inner side of the square sleeve, a sliding column 33 is attached to the bottom of the spring 40, the sliding column 33 is in sliding connection with the square sleeve, a pulley 39 is rotatably connected to one end of the sliding column 33, and the pulley 39 is in rolling attachment with the bottom of the blanking box 27.

Through setting up square sleeve and spring 40 of installation in inside, can make blanking box 27 can carry out swing joint from top to bottom, extrude under the slip of sliding column 33 and drive blanking box 27 and reciprocate.

Slide mechanism includes fixed connection and keeps away from the arc slide 13 of rectangle fine screen cloth 37 one end at work bin 27 one side outer wall, the surface roll laminating of arc slide 13 has leading wheel 18, sliding column 33 and leading wheel 18 active contact, leading wheel 18 inboard cover is equipped with guide arm 38, the one end rotation that guide arm 38 kept away from leading wheel 18 is connected with support arm 43, support arm 43 inboard clamps has rolling disc 12, rolling disc 12 one end outer wall fixedly connected with first motor 10, the fixed cover in first motor 10 bottom is equipped with mount pad 11, mount pad 11 fixed connection is at the top of No. two mount 14 one sides.

The guide wheel 18 has an upward driving force and a downward sliding force by arranging the arc-shaped slide way 13, so that the shaking amplitude of the tail end of the blanking box 27 is enhanced, the guide arm 38 can drive the guide wheel 18 to move under the circular motion of the support arm 43 and the rotating disc 12, and the mounting seat 11 is convenient for stably mounting the first motor 10 on the second fixing frame 14.

The working principle is as follows: the user can pour flour into the inside of the storage box 5 through the feed inlet 16, then under the driving of the third motor 28, the rotating shaft 32 and the helical blade 31 are driven to rotate, the flour inside the storage box 5 is automatically conveyed, the workload of frequent lifting and feeding processes of users is reduced, the efficiency is high, the labor is saved, meanwhile, the second motor 15 can be driven to drive the rotating rod 30 to rotate, the circular screen 21 can rotate outside the rotating rod 30, the fallen flour can be rotated and sieved, the circular screen 21 can be sieved layer by layer through the self-falling acting force, the impurities of the primary flour are filtered, the flour is attached to the plurality of anti-blocking rods 22 on the semi-arc fixing disc 20 below one side in the rotating process, the impurities blocked at the inner side of the through hole can be poked out in the process, and the two groups of semi-arc fixing discs 20 are arranged in a reverse direction, the condition of sieve leakage cannot be caused, flour is conveyed to the discharging channel 19 through the material guiding opening under the scraping plate 41 and then falls into the discharging box 27, the rotating disc 12 and the support arm 43 on the inner side of the rotating disc 12 are driven to rotate through the rotation of the first motor 10, the support arm 43 drives the guide arm 38 to move in a circular guide way in the rotating process, the guide wheel 18 is driven to slide on the outer side of the arc-shaped slide way 13 by the length and the circumferential track of the guide arm 38 at the moment and is in contact with the sliding column 33, the pulley 39 below the sliding column 33 rolls at the bottom of the discharging box 27 at the moment, the tail end of the discharging box 27 shakes at the moment, the flour passes through the rectangular fine screen 37 and the arc-shaped fine screen 9 when the flour is discharged at the end, and the purpose of final fine sieving can be achieved at the moment.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flour processing is with preventing blockking up impurity screening system, includes mount (1) and No. two mount (14), its characterized in that: the first fixing frame (1) is fixedly connected with the second fixing frame (14), the second fixing frame (14) is lower than the first fixing frame (1), the screening barrel (2) is fixedly mounted at the top of the first fixing frame (1), an arc baffle (3) extends from the top edge of one side of the screening barrel (2), a grading screening mechanism is arranged on the inner side of the screening barrel (2), the grading screening mechanism comprises screening bins (42) which are vertically and symmetrically mounted on the inner wall of the screening barrel (2), the inner walls of the two sets of screening bins (42) are fixedly connected with semi-arc fixing trays (20), the two sets of semi-arc fixing trays (20) are reversely arranged, a plurality of anti-blocking rods (22) are mounted on the outer surfaces of the two sets of semi-arc fixing trays (20), the plurality of anti-blocking rods (22) are made of rubber materials, and a rotating rod (30) is arranged at the middle position in the screening barrel (2), the automatic material storage device is characterized in that a circular screen (21) is sleeved at the upper end and the lower end of the outer side of the rotating rod (30), limiting sleeves are attached to the upper end and the lower end of two groups of semi-arc-shaped fixed disks (20) and the circular screen (21), the four groups of limiting sleeves are movably sleeved on the outer side of the rotating rod (30), a plurality of groups of through holes are formed in the inner sides of the two groups of circular screen (21), a plurality of anti-blocking rods (22) are movably inserted into the inner sides of the plurality of groups of through holes, a scraping plate (41) is mounted on the outer side of the rotating rod (30) close to the top of the inner side of the screening bin (42), one end of the rotating rod (30) penetrates through the bottom of the screening bin (2) and the bottom of the first fixing frame (1), a rotating mechanism is arranged at the end of the rotating rod, material guide openings are formed in the top of the inner side of the, the feeding device is characterized in that the outer wall of one side of the storage box (5) is communicated with a feeding hole (16), a feeding mechanism is arranged on the inner side of the storage box (5), fixed columns (7) are fixedly connected to two ends of the outer wall of one side of the first fixed frame (1), U-shaped rods (17) are fixedly connected to the outer sides of the two fixed columns (7), a movable mechanism is arranged on the outer sides of the two U-shaped rods (17), the inner side of the movable mechanism is jointly connected with a blanking box (27), a discharging channel (19) is just above the blanking box (27), a U-shaped box (8) extends out of one end of the blanking box (27), a material conveying mechanism is arranged on the outer wall of one side of the U-shaped box (8), a rectangular fine screen (37) is fixedly clamped at the position, close to the U-shaped box (8), of the top of the inner side of the blanking box (27), and, and sliding mechanisms are arranged at one ends, far away from the rectangular fine screen (37), of the outer walls of the two sides of the blanking box (27).

2. The anti-clogging impurity screening system for flour processing as claimed in claim 1, wherein: feed mechanism includes installation room (29) of fixed mounting in the inboard bottom of storage box (5), installation room (29) inboard intermediate position fixed mounting has No. three motor (28), No. three motor (28) output end fixedly connected with pivot (32), the top of storage box (5) is run through to the one end of pivot (32), the outside fixed mounting of pivot (32) has helical blade (31), helical blade (31) outside laminating has conveying pipe (4), the outside cover of conveying pipe (4) is equipped with fixed cover, fixed cover activity card dress is at the top of storage box (5), conveying pipe (4) top is the setting of buckling, and the tip opens in screening bucket (2) top, the activity of storage box (5) one side outer wall clamps has fly leaf (6).

3. The anti-clogging impurity screening system for flour processing as claimed in claim 1, wherein: the rotating mechanism comprises a second motor (15) fixedly installed at the bottom of the first fixing frame (1), and the output end of the second motor (15) is connected with the rotating rod (30).

4. The anti-clogging impurity screening system for flour processing as claimed in claim 1, wherein: defeated material mechanism includes that the activity card adorns end cap (23) in U-shaped case (8) one side is inside, bar groove (24) have all been seted up to end cap (23) both ends outer wall, U-shaped case (8) outer wall top position all is provided with stop gear.

5. The anti-clogging impurity screening system for flour processing as claimed in claim 4, wherein: the limiting mechanism comprises a limiting rod (26) movably inserted into the inner side of the strip-shaped groove (24), a fixing plate (25) is fixedly mounted at the upper position of the outer side of the U-shaped box (8), and the limiting rod (26) is connected with the fixing plate (25) in a sliding mode.

6. The anti-clogging impurity screening system for flour processing as claimed in claim 1, wherein: the movable mechanism comprises mounting sleeves which are symmetrically arranged at two ends of the outer side of the U-shaped rod (17), the bottoms of the mounting sleeves are fixedly connected with concave seats (36), and the bottoms of the concave seats (36) are connected with a connecting mechanism and an elastic mechanism from left to right.

7. The anti-clogging impurity screening system for flour processing as claimed in claim 6, wherein: the connecting mechanism comprises a sliding plate (35) rotatably mounted on the inner side of a left concave seat (36), the inner side of the sliding plate (35) is rotatably connected with a connecting rod (34), and the connecting rod (34) is rotatably connected with the blanking box (27).

8. The anti-clogging impurity screening system for flour processing as claimed in claim 6, wherein: the elastic mechanism comprises a square sleeve arranged on the inner side of a right concave seat (36), a spring (40) is clamped on the inner side of the square sleeve, a sliding column (33) is attached to the bottom of the spring (40), the sliding column (33) is in sliding connection with the square sleeve, a pulley (39) is rotatably connected to one end of the sliding column (33), and the pulley (39) is attached to the bottom of the blanking box (27) in a rolling mode.

9. The anti-clogging impurity screening system for flour processing as claimed in claim 8, wherein: slide mechanism includes that fixed connection keeps away from arc slide (13) of rectangle fine mesh (37) one end at work bin (27) one side outer wall that falls, the surface roll laminating of arc slide (13) has leading wheel (18), slip post (33) and leading wheel (18) movable contact, leading wheel (18) inboard cover is equipped with guide arm (38), the one end that leading wheel (18) were kept away from in guide arm (38) is rotated and is connected with support arm (43), support arm (43) inboard clamps has rolling disc (12), rolling disc (12) one end outer wall fixedly connected with motor (10), fixed cover is equipped with mount pad (11) in motor (10) bottom, mount pad (11) fixed connection is at the top of No. two mount (14) one sides.