CN111842146A

CN111842146A - Wheat sieve separator with multistage filter mechanism

Info

Publication number: CN111842146A
Application number: CN202010513368.3A
Authority: CN
Inventors: 于素华
Original assignee: Jieshou Jinlong Machinery Equipment Co ltd
Current assignee: Jieshou Jinlong Machinery Equipment Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2020-10-30

Abstract

The invention provides a wheat screening machine with a multistage filtering mechanism, which comprises a horizontal screw conveying device and a screening structure protection box, wherein a feeding hopper is installed at one end of the top of the horizontal screw conveying device, a transition pipe is connected to the bottom of the other end of the horizontal screw conveying device, a sewage discharge box is arranged at the adjacent position of the transition pipe, a sewage discharge inclined trough plate is arranged in the sewage discharge box and corresponds to the lower end of a porous filter screen, the sewage discharge inclined trough plate penetrates through the side wall shell of the sewage discharge box and is obliquely arranged towards the outer lower part, a filtering screen trough body is arranged in the screening structure protection box, one end of the filtering screen trough body is positioned at the lower end of the transition pipe, the top of the filtering screen trough body is connected with a vibration motor, the other end of the filtering screen trough body is obliquely inclined downwards in a ramp. According to the invention, fine impurities and large-particle impurities are gradually screened in a multi-stage filtration mode, so that the quality of screened wheat is obviously improved.

Description

Wheat sieve separator with multistage filter mechanism

Technical Field

The invention mainly relates to the technical field of wheat screening equipment, in particular to a wheat screening machine with a multistage filtering mechanism.

Background

In the processing process of wheat, the step of cleaning the raw materials is indispensable, and the subsequent processing quality of wheat is directly influenced.

According to patent document CN201820153339.9, a wheat screening device comprises a frame, a screen cylinder, a discharge hopper, a speed reduction motor, a feed hopper, a slag outlet, a discharge outlet, a roll shaft, a rubber strip, a rubber cylinder, a material guide plate, a shield, a dust removal pipe and a vibration motor, wherein wheat mixed with impurities is fed into the screen cylinder through the feed hopper, the speed reduction motor drives the screen cylinder to rotate, the wheat rises to a certain height along the inner wall of the screen cylinder and then falls down loosely, the wheat smaller than a screen hole leaks into the discharge hopper, and large-particle impurities gradually move to the slag outlet at the lower end of the screen cylinder and are discharged; the wheat in the discharge hopper is discharged through the discharge hole under the vibration of the vibration motor, and the screening operation is completed. Although large-particle impurities in the wheat raw material are cleaned, particle substances which are finer than wheat, such as dust, broken shells and the like, cannot be cleaned well, so that the processing quality of the wheat is influenced.

Disclosure of Invention

The invention mainly provides a wheat screening machine with a multistage filtering mechanism, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a wheat screening machine with a multistage filtering mechanism comprises a horizontal screw rod conveying device and a screening structure protection box, wherein a feeding hopper is installed at one end of the top of the horizontal screw rod conveying device, a transition pipe is connected to the bottom of the other end of the horizontal screw rod conveying device, the bottom of the transition pipe is communicated with the top of the screening structure protection box, a sewage discharge box is arranged at a position adjacent to the transition pipe, the upper end and the lower end of the sewage discharge box are respectively welded and fixed with the bottom of the horizontal screw rod conveying device and the top of the screening structure protection box, an opening is formed in the top of the sewage discharge box, a porous filter screen is correspondingly arranged at the upper end of the opening, the porous filter screen is embedded in a cambered surface at the bottom of the horizontal screw rod conveying device, a sewage discharge inclined groove plate is arranged at the lower end of the corresponding porous filter screen in the;

the inside of screening structure protecting box is equipped with the filter screen cell body, filter screen cell body one end is located the lower extreme of transition pipe, and the other end is ramp formula downward sloping, and both ends all are connected with the inner wall of screening structure protecting box, the top that the filter screen cell body is close to transition pipe one end is connected with vibrating motor, vibrating motor installs in the top of screening structure protecting box and is located one side of transition pipe, the lower extreme of filter screen cell body is equipped with the ejection of compact cell body that is the heeling setting, and the both sides of close one end are the rotation connection through the rocking arm respectively, and the support frame is installed to the symmetry between the interior infrabasal plate of center department and the screening structure protecting box of this ejection of compact cell body.

Further, the screening structure guard box is close to the lateral wall below of transition pipe is equipped with the discharge gate, ejection of compact cell body runs through the discharge gate extends to the outside, and the other end symmetry is equipped with the drain, be equipped with arc transition pipeline in the drain, the upper end of arc transition pipeline is equipped with the smooth plate, the smooth plate with filter screen cloth cell body sloping bottom is connected.

Further, the drain outlet upper end is equipped with the triangular support platform frame, the triangular support platform frame with screening structure protection incasement wall passes through the bolt fastening, just install driving motor on the triangular support platform frame, the driving motor output shaft runs through the working hole on the dead ahead inner wall and extends to externally mounted and have single groove drive wheel, it is connected with single groove from the driving wheel to rotate through the belt directly over the perpendicular of single groove drive wheel, single groove from the driving wheel with horizontal screw rod conveyor's conveying screw shaft is connected.

Further, the top of the slope of filter screen cloth cell body is equipped with the mounting panel, two upward apex angle department symmetric welding of mounting panel have the fixed column, and the symmetric welding has two pole mounts on the both sides cell wall of slope bottom, and two fixed columns and two pole mounts respectively with the both ends inner wall of screening structure guard box passes through the bolt fastening.

Furthermore, a vibration connecting piece is installed at the center of the top of the installation plate and penetrates through the top plate of the screening structure protection box to be connected with the bottom of the vibration motor.

Further, be provided with the ventilation mesh board on the mounting panel, the ventilation mesh board is close to one side of discharge gate upper end is equipped with fan unit, fan unit is including installation section of thick bamboo and play dryer, the installation section of thick bamboo is straight cylinder and runs through the inner wall and the built-in air inlet fan of screening structure protecting box, it is corresponding with the ventilation mesh board that the play dryer is down the curved arc form and air outlet.

Further, spring shock attenuation supporting legs are installed one by one at four apex angles in the bottom of screening structure protecting box.

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

firstly, the invention utilizes a horizontal screw conveying device to carry out the process of conveying wheat in a feed hopper, after a sewage discharge box is primarily screened by a porous filter screen, fine impurities with the volume smaller than that of wheat particles are discharged and fall onto a sewage discharge chute plate and are conveyed to the outside of the sewage discharge box, the remaining wheat containing large-particle impurities enters a screening structure protection box through a transition pipe and fall onto a filtering screen groove body, the filtering screen groove body utilizes the ramp type downward inclined design to match with the vibration of a vibration motor so that the wheat particles fall into a discharge groove body with the reverse inclined lower part from the holes of the filtering screen groove body, the large-particle impurities are gradually transferred along with the vibration and the downward inclined effect, and finally are discharged, the process utilizes a multi-stage filtering mode to screen the fine impurities and the large-particle impurities in the wheat raw materials step by step, the whole quality of the screened wheat is obviously improved;

Secondly, the discharge trough body is also subjected to the vibration effect synchronously when the filter screen trough body vibrates in a mode that the filter screen trough body and the discharge trough body are rotationally connected through the two rotating arms, so that the wheat is conveniently discharged and conveyed, and the bottom of the discharge trough body is connected with the bottom plate in the screening structure protection box through the two support frames, so that the structural stability is well maintained;

thirdly, the large-particle impurities can be reduced and remained by the smooth plate at the bottom end of the groove body slope of the filtering screen, and the large-particle impurities can quickly slide into the arc-shaped transition pipeline in the sewage draining port to be discharged;

fourthly, the blower unit pushes air to flow onto the filtering screen groove body, so that waste shells and scraps with light weight can be timely blown to one end of the sewage discharge outlet when the wheat is in a floating state in the falling process, and finally fall into the arc-shaped transition pipeline to be discharged together with large-particle impurities.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a schematic view of the internal driving structure of the horizontal screw conveyor of the present invention;

FIG. 3 is a view showing the installation position of the porous filtering net of the present invention;

FIG. 4 is a cross-sectional view of the internal structure of the screening structure guard of the present invention;

fig. 5 is a schematic structural diagram of the fan assembly of the present invention.

In the figure: 1. a feed hopper; 2. a horizontal screw conveyor; 21. a sewage draining tank; 21a, a sewage draining inclined groove plate; 22. a transition duct; 23. a porous filter screen; 3. screening a structural protection box; 31. a discharge port; 32. a sewage draining outlet; 33. the spring shock absorption supporting leg; 34. a working port; 35. a triangular support platform frame; 36. a filtering screen trough body; 36a, a mounting plate; 36a-1, a ventilation mesh plate; 36b, fixing columns; 36c, a vibration connection; 36d, smooth plate; 36e, a double-rod fixing frame; 37. a discharge groove body; 37a, a rotating arm; 37b, a support frame; 38. an arc-shaped transition duct; 4. a fan unit; 41. mounting the cylinder; 42. an air outlet cylinder; 5. a drive motor; 51. a single-groove driving wheel; 52. a single-groove driven wheel; 6. a vibration motor.

Detailed Description

In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4 with emphasis, a wheat screening machine with a multi-stage filtration mechanism, comprising a horizontal screw conveyor 2 and a screening structure protection box 3, wherein one end of the top of the horizontal screw conveyor 2 is provided with a feed hopper 1, the bottom of the other end is connected with a transition pipe 22, the bottom of the transition pipe 22 is communicated with the top of the screening structure protection box 3, a sewage discharge box 21 is arranged adjacent to the transition pipe 22, the upper and lower ends of the sewage discharge box 21 are respectively welded and fixed with the bottom of the horizontal screw conveyor 2 and the top of the screening structure protection box 3, the top of the transition pipe 22 is provided with an opening, the upper end of the opening is correspondingly provided with a porous filter screen 23, the porous filter screen 23 is embedded in the bottom arc surface of the horizontal screw conveyor 2, the lower end of the porous filter screen 23 inside the sewage discharge box 21 is provided with a sewage discharge, the sewage draining inclined groove plate 21a penetrates through the side wall shell of the sewage draining box 21 and is obliquely arranged towards the lower part of the outer part; the screening structure protection box 3 is internally provided with a filtering screen groove body 36, one end of the filtering screen groove body 36 is positioned at the lower end of the transition pipe 22, the other end of the filtering screen groove body is inclined downwards in a ramp way, both ends of the filtering screen groove body are connected with the inner wall of the screening structure protection box 3, the top of the filtering screen groove body 36 close to one end of the transition pipe 22 is connected with a vibrating motor 6, the vibrating motor 6 is arranged at the top of the screening structure protection box 3 and positioned at one side of the transition pipe 22, the lower end of the filtering screen groove body 36 is provided with a discharging groove body 37 which is arranged in a reverse inclination way, both sides of the close end are respectively connected in a rotating way through a rotating arm 37a, supporting frames 37b are symmetrically arranged between the centers of both sides of the bottom of the discharging groove body 37 and the inner bottom plate of the screening structure, the shaking phenomenon that makes the screening in-process appear receives the damping performance of four spring shock attenuation supporting legs 33 and carries out good buffering, has protected the stability of inner structure spare.

Please refer to fig. 1 and 4 again, a discharge hole 31 is arranged below the side wall of the screening structure protection box 3 close to the transition pipe 22, the discharge groove body 37 penetrates through the discharge hole 31 and extends to the outside, the other end is symmetrically provided with a discharge outlet 32, an arc transition pipeline 38 is arranged in the discharge outlet 32, the upper end of the arc transition pipeline 38 is provided with a smooth plate 36d, and the smooth plate 36d is connected with the bottom end of the slope of the filtering screen groove body 36. In this embodiment, through carrying out vibration screening with wheat at filter screen cell body 36 after, the wheat falls into ejection of compact cell body 37 and then carries the outside of screening structure protecting box 3 from discharge gate 31, and large granule impurity then through smooth plate 36d transition after quick send into in arc transition pipeline 38 then discharge the outside of screening structure protecting box 3, opposite with wheat ejection of compact position, avoid appearing the condition emergence that both mix again.

Please refer to fig. 2 and 4 again, a triangular supporting platform frame 35 is arranged at the upper end of the sewage discharge port 32, the triangular supporting platform frame 35 is fixed with the inner wall of the screening structure protection box 3 through bolts, a driving motor 5 is installed on the triangular supporting platform frame 35, an output shaft of the driving motor 5 penetrates through a working port 34 on the inner wall right in front and extends to the outside to be provided with a single-groove driving wheel 51, a single-groove driven wheel 52 is connected vertically above the single-groove driving wheel 51 through a belt in a rotating manner, and the single-groove driven wheel 52 is connected with a conveying screw shaft of the horizontal screw conveying device 2. In this embodiment, the triangular support platform frame 35 forms a stable support for the driving motor 5, so that the driving motor 5 drives the single-groove driving wheel 51 and the single-groove driven wheel 52 to rotate synchronously after being started, and the conveying screw shaft of the horizontal screw conveying device 2 is driven to rotate, thereby realizing the conveying work of wheat.

Referring to fig. 1 and 4 again, an installation plate 36a is arranged at the top of the slope of the filtering screen trough body 36, fixed columns 36b are symmetrically welded at two upper vertex angles of the installation plate 36a, double-rod fixing frames 36e are symmetrically welded on two side trough walls of the bottom of the slope, the two fixed columns 36b and the double-rod fixing frames 36e are respectively fixed with the inner walls of two ends of the screening structure protection box 3 through bolts, a vibration connecting piece 36c is installed at the center of the top of the installation plate 36a, and the vibration connecting piece 36c penetrates through the top plate of the screening structure protection box 3 and is connected with the bottom of the vibration motor 6. In this embodiment, two fixed columns 36b on the mounting plate 36a and two double-rod fixed frames 36e at the other end form stable connection support with the inner walls at two ends of the screening structure protection box 3, so that the vibration motor 6 can stably stabilize the filtering screen trough 36 after transmitting vibration force to the filtering screen trough 36 through the vibration connecting piece 36c, and the phenomenon of tipping or collapsing caused by too severe vibration can not occur to the filtering screen trough 36.

Please refer to fig. 1, 4 and 5 again, a ventilation mesh plate 36a-1 is arranged on the mounting plate 36a, a fan unit 4 is arranged on one side of the ventilation mesh plate 36a-1 close to the upper end of the discharge port 31, the fan unit 4 includes a mounting cylinder 41 and an air outlet cylinder 42, the mounting cylinder 41 is a straight cylinder type and penetrates through the inner wall of the screening structure protection box 3 and is internally provided with an air inlet fan, the air outlet cylinder 42 is a lower bending arc shape, and an air outlet corresponds to the ventilation mesh plate 36 a-1. In this embodiment, after the air inlet fan in the installation cylinder 41 of the fan set 4 works, the air flow is aligned to the ventilation mesh plate 36a-1 through the air outlet cylinder 42 for accurate conveying, so that the waste shells and scraps floating in the fallen wheat are moved to the sewage outlet 32 along the direction specified by the air flow, fall into the arc-shaped transition pipeline 38 and are discharged to the outside of the screening structure protection box 3 together with large-particle impurities, and the screening quality of the wheat is further improved.

The specific operation mode of the invention is as follows:

firstly, wheat containing impurities is put into the horizontal screw conveying device 2 from the feed hopper 1, then the driving motor 5 is started to drive the single-groove driving wheel 51 and the single-groove driven wheel 52 to synchronously rotate by utilizing a belt, so as to drive the conveying screw shaft of the horizontal screw conveying device 2 to rotate, the wheat containing the impurities in the feed hopper 1 is conveyed to one end of the transition pipe 22, fine impurity particles in the wheat are discharged to the outside from the sewage inclined groove plate 21a in the sewage discharge box 21 through the porous filter screen 23 in the conveying process, the rest wheat falls into the filter screen groove body 36 in the screening structure protective box 3 through the transition pipe 22, then the vibration force is transmitted to the filter screen groove body 36 through the connection of the vibration connecting piece 36c and the vibration motor 6 to accelerate the screening work of the wheat, the wheat falls into the discharge groove body 37 below from the holes in the filter screen groove body 36, and then the discharge groove body 37 is enabled to have vibration sense through the linkage of the two rotating arms 37a, then carry the outside of screening structure guard box 3 from discharge gate 31 department, and large granule impurity then gradually moves to smooth plate 36d along filtering screen cell body 36 and carries out the quick arc transition pipeline 38 of sending into after the transition then discharge the outside of screening structure guard box 3 from drain 32 department, accomplish screening work, and the trash can and the sweeps that float up when wheat falls from transition pipe 22 receive the air current that air intake fan formed in the fan unit 4 to carry out directional blowing and get into arc transition pipeline 38 then discharge from drain 32 department together with large granule impurity.

The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without such modifications.

Claims

1. A wheat screening machine with a multistage filtering mechanism comprises a horizontal screw rod conveying device (2) and a screening structure protection box (3), and is characterized in that a feeding hopper (1) is installed at one end of the top of the horizontal screw rod conveying device (2), a transition pipe (22) is connected to the bottom of the other end of the horizontal screw rod conveying device, the bottom of the transition pipe (22) is communicated with the top of the screening structure protection box (3), a sewage discharge box (21) is arranged at the adjacent position of the transition pipe (22), the upper end and the lower end of the sewage discharge box (21) are respectively welded and fixed with the bottom of the horizontal screw rod conveying device (2) and the top of the screening structure protection box (3), an opening is formed in the top of the sewage discharge box, a porous filter screen (23) is correspondingly arranged at the upper end of the opening, the porous filter screen (23) is embedded in the bottom cambered surface of the horizontal screw rod conveying device (2), and an inclined sewage discharge groove plate (21a) is, the sewage draining inclined groove plate (21a) penetrates through the side wall shell of the sewage draining box (21) and is obliquely arranged towards the lower part of the outer part;

A filtering screen groove body (36) is arranged inside the screening structure protection box (3), one end of the filtering screen groove body (36) is positioned at the lower end of the transition pipe (22), the other end of the filtering screen groove body inclines downwards in a ramp manner, and both ends are connected with the inner wall of the screening structure protection box (3), the top of the filtering screen groove body (36) close to one end of the transition pipe (22) is connected with a vibration motor (6), the vibration motor (6) is arranged at the top of the screening structure protection box (3) and is positioned at one side of the transition pipe (22), the lower end of the filtering screen groove body (36) is provided with a discharge groove body (37) which is arranged in a reverse inclined way, and the two sides of the adjacent end are respectively connected in a rotating way through a rotating arm (37a), support frames (37b) are symmetrically arranged between the centers of the two sides of the bottom of the discharge tank body (37) and the inner bottom plate of the screening structure protection box (3).

2. The wheat sieve separator with multistage filter mechanism of claim 1, characterized in that, screening structure guard box (3) is close to the lateral wall below of transition pipe (22) is equipped with discharge gate (31), ejection of compact cell body (37) run through discharge gate (31) extend to the outside, and the other end symmetry is equipped with drain (32), be equipped with arc transition pipeline (38) in drain (32), the upper end of arc transition pipeline (38) is equipped with smooth plate (36d), smooth plate (36d) with filter screen cell body (36) slope bottom end is connected.

3. The wheat sieve separator with multistage filter mechanism of claim 2, characterized in that, drain (32) upper end is equipped with triangular support platform frame (35), triangular support platform frame (35) with screening structure guard box (3) inner wall passes through the bolt fastening, just install driving motor (5) on the triangular support platform frame (35), driving motor (5) output shaft runs through work mouthful (34) on the inner wall directly in front and extends to externally mounted have single groove drive wheel (51), be connected with single groove from driving wheel (52) through the belt rotation directly over the perpendicular of single groove drive wheel (51), single groove from driving wheel (52) with horizontal screw conveyor (2)'s conveying screw shaft is connected.

4. The wheat screening machine with the multistage filtering mechanism is characterized in that a mounting plate (36a) is arranged at the top of the slope of the filtering screen trough body (36), fixing columns (36b) are symmetrically welded at two upper top corners of the mounting plate (36a), double-rod fixing frames (36e) are symmetrically welded on two side trough walls of the bottom of the slope, and the two fixing columns (36b) and the double-rod fixing frames (36e) are respectively fixed with the inner walls of two ends of the screening structure protection box (3) through bolts.

5. The wheat screening machine with multistage filtering mechanism of claim 4, characterized in that a vibration connecting piece (36c) is installed at the top center of the mounting plate (36a), and the vibration connecting piece (36c) penetrates through the top plate of the screening structure protection box (3) and is connected with the bottom of the vibration motor (6).

6. The wheat sieve separator with the multistage filtering mechanism of claim 5, characterized in that a ventilation mesh plate (36a-1) is arranged on the mounting plate (36a), a fan unit (4) is arranged on one side of the ventilation mesh plate (36a-1) close to the upper end of the discharge port (31), the fan unit (4) comprises a mounting cylinder (41) and an air outlet cylinder (42), the mounting cylinder (41) is a straight cylinder and penetrates through the inner wall of the screening structure protection box (3) and is internally provided with an air inlet fan, the air outlet cylinder (42) is a downward bending arc shape, and an air outlet corresponds to the ventilation mesh plate (36 a-1).

7. The wheat screening machine with multistage filtering mechanism of claim 1, characterized in that spring shock absorption supporting legs (33) are installed one by one at four top corners of the bottom of the screening structure protection box (3).