CN113019918A

CN113019918A - Screening installation is used in rice processing with prevent stifled mechanism

Info

Publication number: CN113019918A
Application number: CN202110259374.5A
Authority: CN
Inventors: 吴强
Original assignee: Jingmen Zhanghe New District Kanghe Agriculture Co ltd
Current assignee: Jingmen Zhanghe New District Kanghe Agriculture Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-06-25

Abstract

The invention discloses a screening device with an anti-blocking mechanism for rice processing, and relates to the technical field of rice processing; the rice filter screen aims at solving the problem that rice can collide with a protection plate at the top of the filter screen; this equipment specifically includes the screening frame, screening frame top outer wall is provided with the pan feeding mouth, and screening frame inner wall is provided with screening mechanism, and screening frame bottom inner wall is opened there are first screening hole and second screening hole, and screening frame bottom outer wall is provided with the joint support frame, and joint support frame bottom outer wall is provided with the bottom plate, and joint support frame both sides outer wall is opened respectively has two discharge gates. According to the rice filtering device, the guide block, the moving rack plate, the half gear, the rotating motor and the elastic telescopic rod are arranged, when the sieve plate filters rice, the rotating motor is controlled to rotate through the control panel, the rotating motor drives the half gear to rotate, and when the rack on the outer wall of the half gear is meshed with the rack at the bottom of the moving rack plate through rotation, the half gear drives the moving rack plate to move forwards through the rack.

Description

Screening installation is used in rice processing with prevent stifled mechanism

Technical Field

The invention relates to the technical field of rice processing, in particular to a screening device with an anti-blocking mechanism for rice processing.

Background

As a main grain crop, rice is increasingly refined in the processing flow, and the problems in the prior art are that: screening installation for rice processing is the equipment that one kind carries out the screening to the rice, generally needs long-time use to filter the rice, nevertheless takes place the phenomenon of filter screen jam easily at the in-process of screening, leads to the speed of screening to reduce and the rice after the screening contains a large amount of impurity and needs the secondary screening, has reduced the practicality of screening installation for rice processing, and the person of not being convenient for uses.

Through the retrieval, chinese patent application number is CN 202010245358.6's patent, discloses a screening installation is used in rice processing with prevent stifled, including first ejection of compact shell, the top swing joint of first ejection of compact shell has second ejection of compact shell, the top swing joint of second ejection of compact shell has the guard plate, the top fixedly connected with stop gear of guard plate, the inner chamber of second ejection of compact shell is provided with the filter screen, but above-mentioned technical scheme is because so avoid the filter screen to block through rocking the filter screen from top to bottom, and when consequently still there was the filter screen to rock from top to bottom, rice on the filter screen can collide with the guard plate at filter screen top, thereby leads to the problem that the crack influences the rice quality to appear in part rice.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a screening device with an anti-blocking mechanism for rice processing.

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

a screening device with an anti-blocking mechanism for rice processing comprises a screening frame, wherein a feeding port is arranged on the outer wall of the top of the screening frame, a screening mechanism is arranged on the inner wall of the screening frame, a first screening hole and a second screening hole are formed in the inner wall of the bottom of the screening frame, a connecting and supporting frame is arranged on the outer wall of the bottom of the screening frame, a bottom plate is arranged on the outer wall of the bottom of the connecting and supporting frame, two discharge ports are formed in the outer walls of the two sides of the connecting and supporting frame respectively, two sliding plates are arranged on the inner wall of the connecting and supporting frame, two screen plate supporting blocks and four screen plate supporting plates are arranged on the outer wall of the top of the bottom plate, four mounting plates are arranged on the outer walls of one side of the two screen plate supporting blocks and four mounting plates are arranged on the outer wall of, four connecting block one side inner walls are provided with two sieves respectively, two sets of mounting panel one side outer walls are provided with two motor support boards respectively, two motor support board top outer walls are provided with two rotation motors respectively, two output shafts that rotate the motor are provided with two semi-gears respectively, two rectangle through-holes have been opened respectively to two sets of mounting panel one side outer walls, two rectangle through-hole inner walls are provided with two guide blocks respectively, two guide block inner walls sliding connection have two removal rack boards respectively, two removal rack board one side outer walls set up respectively on one side outer wall of two connecting blocks, removal rack board bottom outer wall is connected with semi-gear engagement, four sieve support board one side outer walls are provided with two flitchs down respectively, bottom plate top outer wall is provided with two rice recovery baskets, it is provided with control panel to connect carriage one side.

Preferably: screening mechanism includes two fixed blocks, air-blower and separation post, and two fixed blocks set up respectively on the both sides inner wall of screening frame, and the air-blower sets up on one side outer wall of two fixed blocks, separates the post and sets up on the bottom inner wall of screening frame, air-blower and control panel electric connection.

Further: and two inclined material guide blocks are arranged on the inner wall of the bottom of the screening frame.

Further preferred is: and a hairbrush is arranged on the outer wall of one side of the L-shaped fixing plate.

As a preferable aspect of the present invention: the outer wall of the top of the blanking plate is provided with two second guide plates, and the outer wall of the top of the sliding plate is provided with two first guide plates.

Further preferred as the invention: four guide slide rails are arranged on the outer wall of the top of the bottom plate, the inner walls of the four guide slide rails are respectively connected with two dust collecting boxes in a sliding mode, and the outer wall of one side of each of the two dust collecting boxes is provided with two handles and four discharge holes.

As a still further scheme of the invention: the outer wall of the top of the dust collection box is provided with a dustproof frame, and the dustproof frame is fixed on the outer wall of one side of the two discharge ports through screws.

On the basis of the scheme: the outer wall of one side of the connecting block is provided with a folded elastic block, the outer wall of one side of the folded elastic block is arranged on the outer wall of one side of the mounting plate, and the outer wall of one side of the mounting plate is provided with two sealing plates.

On the basis of the foregoing scheme, it is preferable that: the outer wall of the top of the bottom plate is provided with two weighing plates, the outer walls of the tops of the two weighing plates are respectively provided with two warning lamps, the two rice recycling baskets are respectively arranged on the outer walls of the tops of the two weighing plates, and the two weighing plates and the two warning lamps are respectively electrically connected with the control panel.

It is further preferable on the basis of the foregoing scheme that: the outer wall of two sides of the screening frame is provided with two connecting fixing columns respectively, and the outer wall of the bottom of the two connecting fixing columns is arranged on the outer wall of the top of the bottom plate.

The invention has the beneficial effects that:

1. by arranging the guide block, the movable rack plate, the half gear, the rotating motor and the elastic telescopic rod, when the sieve plate filters rice, the rotating motor is controlled by the control panel to rotate, the rotating motor drives the half gear to rotate, when the rack on the outer wall of the half gear is meshed with the rack at the bottom of the movable rack plate through rotation, the half gear can drive the movable rack plate to move forwards through the rack, so that the movable rack plate can push the connecting block to move leftwards and rightwards, after the half gear rotates to the position without the rack, the half gear is not meshed with the movable rack plate, at the moment, the connecting block can reset through the action of the elastic telescopic rod, so that the sieve plate can be pushed to horizontally shake back and forth through the rotation of the half gear, the rice is prevented from being clamped in the filtering hole on the sieve plate, meanwhile, the sieve plate can only shake leftwards and rightwards, and the rice, avoid the rice to drop or bump with the inside part of equipment, the guide block can lead to the removal of removal rack plate.

2. Through setting up the brush, when the connecting block rocks, the brush on the L type fixed plate can throw away on the surface of connecting block to on sweeping back the sieve again the rice that will roll on the connecting block, avoid the rice to rock when the connecting block landing from about on the sieve.

3. Through the arrangement of the dust collection box, the guide sliding rail and the handle, the dust collection box can store dust falling from the sieve plate, and meanwhile, a worker can pull out the dust collection box from the bottom plate through the handle and the guide sliding rail to clean the dust collection box; through setting up dustproof frame, can seal the space between sieve and the dust collection box, avoid the sieve to filter out the dust and float in a large number in the air around.

4. The rice can be prevented from being accumulated inside the screening frame by arranging the inclined material guide blocks; through setting up closing plate and fold elasticity piece, can seal the space between two L type fixed plates effectively, avoid the rice to get into the space between two L type fixed plates to the effectual waste of avoiding the rice.

5. Through setting up air-blower and spacer column, when the rice drops to screening frame inside through the pan feeding mouth, control panel control air-blower begins to blow to the rice, and the heavier rice of weight can receive the spacer column block fall to first screening downthehole portion, and the spacer column entering second screening hole can be crossed to the lighter rice of weight to the completion is to the sorting of rice size.

Drawings

FIG. 1 is a schematic structural view of a screening apparatus for rice processing with an anti-blocking mechanism according to the present invention;

FIG. 2 is a schematic side view of a rice processing screening apparatus with an anti-blocking mechanism according to the present invention;

FIG. 3 is a schematic view of the internal structure of a screening frame of the screening device with an anti-blocking mechanism for rice processing, which is provided by the invention;

FIG. 4 is a schematic structural view of a mounting plate of the screening device for rice processing provided by the invention, wherein the screening device is provided with an anti-blocking mechanism;

FIG. 5 is a schematic structural view of a dust collecting box of the screening device for rice processing provided by the invention, wherein the dust collecting box is provided with an anti-blocking mechanism;

FIG. 6 is a schematic structural diagram of a sieve plate of the screening device with an anti-blocking mechanism for rice processing, which is provided by the invention;

FIG. 7 is a schematic side view of a sieve plate of the screening apparatus for rice processing provided by the present invention, wherein the sieve plate has an anti-blocking mechanism;

fig. 8 is a schematic circuit flow diagram of a screening device with an anti-blocking mechanism for rice processing according to the present invention.

In the figure: 1 screening frame, 3 connecting and fixing columns, 4 control panels, 5 bottom plates, 6 guide sliding rails, 7 weighing plates, 8 warning lamps, 9 rice recycling baskets, 10 connecting and supporting frames, 11 feeding ports, 12 dust-proof frames, 13 screen plate supporting blocks, 14 dust collecting boxes, 15 screen plate supporting plates, 16 discharging plates, 17 mounting plates, 18 screen plates, 19 blowers, 20 fixing blocks, 21 inclined material guiding blocks, 22 first screening holes, 23 separating columns, 24 second screening holes, 25 first material guiding plates, 26 sliding plates, 27 guiding blocks, 28 moving rack plates, 29 half gears, 30 rotating motors, 31 motor supporting plates, 32 second material guiding plates, 33 discharging ports, 34 handles, 36 connecting blocks, 37 brushes, 38 elastic telescopic rods, 39L-shaped fixing plates, 40 sealing plates and 41 corrugated elastic blocks.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

A rice processing screening device with an anti-blocking mechanism is shown in figures 1-8 and comprises a screening frame 1, wherein a feeding port 11 is formed in the outer wall of the top of the screening frame 1, a screening mechanism is arranged on the inner wall of the screening frame 1, a first screening hole 22 and a second screening hole 24 are formed in the inner wall of the bottom of the screening frame 1, a connecting support frame 10 is arranged on the outer wall of the bottom of the screening frame 1, a bottom plate 5 is arranged on the outer wall of the bottom of the connecting support frame 10, two discharging ports 33 are respectively formed in the outer walls of the two sides of the connecting support frame 10, two sliding plates 26 are arranged on the inner wall of the connecting support frame 10, two screen plate support blocks 13 and four screen plate support plates 15 are arranged on the outer wall of the top of the bottom plate 5, four mounting plates 17 are respectively arranged on the outer walls of one side of the two screen plate support plates, the outer wall of one side of two groups of mounting plates 17 is respectively provided with eight elastic telescopic rods 38, the outer wall of one side of the eight elastic telescopic rods 38 is respectively provided with four connecting blocks 36, the inner wall of one side of the four connecting blocks 36 is respectively provided with two screen plates 18, the outer wall of one side of two groups of mounting plates 17 is respectively provided with two motor supporting plates 31, the outer wall of the top parts of the two motor supporting plates 31 is respectively provided with two rotating motors 30, the output shafts of the two rotating motors 30 are respectively provided with two half gears 29, the outer wall of one side of two groups of mounting plates 17 is respectively provided with two rectangular through holes, the inner wall of the two rectangular through holes is respectively provided with two guide blocks 27, the inner walls of the two guide blocks 27 are respectively connected with two moving rack plates 28 in a sliding manner, the outer wall of one side of the two moving rack, the outer wall of the top of the bottom plate 5 is provided with two rice recycling baskets 9, the outer wall of one side of the connecting and supporting frame 10 is provided with a control panel 4, and the rotating motor 30 is electrically connected with the control panel 4.

In order to effectively screen the size of the rice; as shown in fig. 3, the screening mechanism includes two fixing blocks 20, a blower 19 and a separation column 23, the two fixing blocks 20 are respectively disposed on the inner walls of the two sides of the screening frame 1, the blower 19 is disposed on the outer wall of one side of the two fixing blocks 20, the separation column 23 is disposed on the inner wall of the bottom of the screening frame 1, and the blower 19 is electrically connected with the control panel 4; through setting up air-blower 19 and spacer 23, when the rice drops to screening frame 1 inside through pan feeding mouth 11, control panel 4 control air-blower 19 begins to blow the rice, and the heavier rice of weight can receive spacer 23 block drop to first screening hole 22 inside, and the lighter rice of weight can cross spacer 23 and get into second screening hole 24 more to the completion is to the sorting of rice size.

To avoid the accumulation of part of the rice inside the screening frame 1; as shown in fig. 3, two inclined material guiding blocks 21 are arranged on the inner wall of the bottom of the screening frame 1; through setting up slope guide block 21, can avoid the rice to pile up inside screening frame 1 to the effectual waste of avoiding the rice.

To avoid rice from sliding off the connection block 36 when the rice is shaken left and right on the sieve plate 18; as shown in fig. 6, a brush 37 is arranged on the outer wall of one side of the L-shaped fixing plate 39; through setting up brush 37, when connecting block 36 rocks, brush 37 on the L type fixed plate 39 can throw on connecting block 36's surface to on sweeping back sieve 18 again the rice that will roll on connecting block 36, avoid the rice to rock when the time from side to side on sieve 18 from connecting block 36 landing.

In order to be able to guide the rice effectively; as shown in fig. 4 and 5, two second material guide plates 32 are arranged on the outer wall of the top of the blanking plate 16, and two first material guide plates 25 are arranged on the outer wall of the top of the sliding plate 26; through setting up second stock guide 32 and first stock guide 25, second stock guide 32 and first stock guide 25 can lead the rice, avoid the rice to cross in the dispersion when removing to rice screening efficiency has been improved.

In order to enable efficient recovery of the dust screened by the screen plate 18; as shown in fig. 2 and 5, four guide slide rails 6 are arranged on the outer wall of the top of the bottom plate 5, two dust collecting boxes 14 are respectively connected to the inner walls of the four guide slide rails 6 in a sliding manner, and two handles 34 and four discharge holes 33 are respectively arranged on the outer wall of one side of each of the two dust collecting boxes 14; by arranging the dust collection box 14, the guide slide rail 6 and the handle 34, the dust collection box 14 can store dust falling from the sieve plate 18, and meanwhile, a worker can pull out the dust collection box 14 from the bottom plate 5 through the handle 34 and the guide slide rail 6 to clean the dust collection box.

To avoid that the dust filtered out by the screen plate 18 largely drifts in the surrounding air; as shown in fig. 5, the outer wall of the top of the dust collecting box 14 is provided with a dust-proof frame 12, and the dust-proof frame 12 is fixed on the outer wall of one side of the two discharging holes 33 through screws; by providing the dust-proof frame 12, the space between the screen plate 18 and the dust box 14 can be sealed, and the dust filtered by the screen plate 18 is prevented from being largely scattered in the surrounding air.

To avoid rice from entering the space between the two L-shaped fixing plates 39; as shown in fig. 7, the outer wall of one side of the connecting block 36 is provided with a corrugated elastic block 41, the outer wall of one side of the corrugated elastic block 41 is arranged on the outer wall of one side of the mounting plate 17, and the outer wall of one side of the mounting plate 17 is provided with two sealing plates 40; by providing the sealing plate 40 and the wrinkle elastic block 41, the space between the two L-shaped fixing plates 39 can be effectively sealed, and the rice is prevented from entering the space between the two L-shaped fixing plates 39.

In order to quickly recover the screened and filtered rice; as shown in fig. 1, the outer wall of the top of the bottom plate 5 is provided with two weighing plates 7, the outer walls of the tops of the two weighing plates 7 are respectively provided with two warning lamps 8, the two rice recycling baskets 9 are respectively arranged on the outer walls of the tops of the two weighing plates 7, and the two weighing plates 7 and the two warning lamps 8 are respectively and electrically connected with the control panel 4; through setting up weighing plate 7 and warning light 8, weighing plate 7 can be retrieved the real-time weight of basket 9 to the rice and weigh, and when the weight of basket 9 was retrieved to the rice reached the setting value, control panel 4 can control warning light 8 and light, reminds staff on every side to retrieve the rice that basket 9 inside sieved as early as possible.

In order to improve the overall stability of the screening equipment; as shown in fig. 1, two connecting and fixing columns 3 are respectively arranged on the outer walls of two sides of the screening frame 1, and the outer walls of the bottoms of the two connecting and fixing columns 3 are respectively arranged on the outer wall of the top of a bottom plate 5; connect fixed column 3 through setting up, can carry out effectual support to screening frame 1 to improve the holistic stability of screening frame 1, let whole equipment be can be more stable in the operation.

When the screening device is used, firstly, rice to be screened is put into the screening frame 1 from the feeding port 11, the screening mechanism in the screening frame 1 screens the size of the rice, the rice with larger particles slides into the connecting and supporting frame 10 through the first screening holes 22, the rice with smaller particles slides into the connecting and supporting frame 10 through the second screening holes 24, the rice sliding into the connecting and supporting frame 10 through the first screening holes 22 and the second screening holes 24 slides out to the discharging ports 33 at two sides of the connecting and supporting frame 10 through the two material sliding plates 26 respectively, the divided rice rolls onto the inclined screen plate 18 for filtering, the rice can roll downwards on the screen plate 18 through self gravity, the screen plate 18 filters fine particles such as dust in the rice in the rolling process of the rice, the screened and filtered rice can roll down into the two rice recycling baskets 9 on the bottom plate 5 through the material discharging plates 16, thereby finishing the sorting and filtering of the rice, by arranging the guide block 27, the movable rack plate 28, the half gear 29, the rotating motor 30 and the elastic telescopic rod 38, when the sieve plate 18 filters the rice, the rotating motor 30 is controlled to rotate by the control panel 4, the rotating motor 30 drives the half gear 29 to rotate, when the rack on the outer wall of the half gear 29 is meshed with the rack at the bottom of the movable rack plate 28 by rotating, the half gear 29 can drive the movable rack plate 28 to move forwards by the rack, so that the movable rack plate 28 can push the connecting block 36 to move left and right, when the half gear 29 rotates to the position without the rack, the half gear 29 and the movable rack plate 28 are not meshed again, at the moment, the connecting block 36 can reset by the action of the elastic telescopic rod 38, thereby the sieve plate 18 can be pushed back and forth by the rotation of the half gear 29 to horizontally shake back and forth, thereby preventing the rice from being blocked in the filtering holes on the sieve plate 18, meanwhile, because the sieve plate 18 only can shake left and right, the rice can be prevented from bouncing up from the sieve plate 18, the rice is prevented from falling or colliding with the components in the equipment, the guide block 27 can guide the movement of the movable rack plate 28, when the rice falls into the sieving frame 1 through the feeding port 11, the control panel 4 controls the blower 19 to blow the rice, the rice with heavier weight can be blocked by the separation column 23 and fall into the first sieving hole 22, the rice with lighter weight can enter the second sieving hole 24 through the separation column 23, through arranging the inclined guide block 21, the rice can be prevented from being accumulated in the sieving frame 1, when the connecting block 36 shakes, the brush 37 on the L-shaped fixing plate 39 can be swung on the surface of the connecting block 36, thereby the rice rolled on the connecting block 36 can be swept back to the sieve plate 18 again, the second material guide plate 32 and the first material guide plate 25 can guide rice, the dust collection box 14 can store dust falling from the sieve plate 18, meanwhile, workers can pull out the dust collection box 14 from the bottom plate 5 through the handle 34 and the guide sliding rail 6 to clean the dust collection box, the dust collection box can be sealed from the sieve plate 18 to the dust collection box 14 through the dust prevention frame 12, the space between the two L-shaped fixing plates 39 can be effectively sealed through the sealing plate 40 and the fold elastic block 41, the weighing plate 7 can weigh the real-time weight of the rice recycling basket 9, when the weight of the rice recycling basket 9 reaches a set value, the control panel 4 can control the warning lamp 8 to light up, and surrounding workers are reminded to recycle the screened rice in the rice recycling basket 9 as soon as possible.

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

1. A rice processing screening device with an anti-blocking mechanism comprises a screening frame (1) and is characterized in that a feeding port (11) is formed in the outer wall of the top of the screening frame (1), a screening mechanism is arranged on the inner wall of the screening frame (1), a first screening hole (22) and a second screening hole (24) are formed in the inner wall of the bottom of the screening frame (1), a connecting support frame (10) is arranged on the outer wall of the bottom of the screening frame (1), a bottom plate (5) is arranged on the outer wall of the bottom of the connecting support frame (10), two discharging ports (33) are formed in the outer walls of two sides of the connecting support frame (10) respectively, two sliding plates (26) are arranged on the inner wall of the connecting support frame (10), two screen plate support blocks (13) and four screen plate support plates (15) are arranged on the outer wall of the top of the bottom plate (5), and four mounting plates (17) are, two of the four mounting plates (17) are in a group, the outer wall of one side of each of the two groups of mounting plates (17) is respectively provided with four L-shaped fixing plates (39), the outer wall of one side of each of the two groups of mounting plates (17) is respectively provided with eight elastic telescopic rods (38), the outer wall of one side of each of the eight elastic telescopic rods (38) is respectively provided with four connecting blocks (36), the inner wall of one side of each of the four connecting blocks (36) is respectively provided with two sieve plates (18), the outer wall of one side of each of the two groups of mounting plates (17) is respectively provided with two motor supporting plates (31), the outer wall of the top of each of the two motor supporting plates (31) is respectively provided with two rotating motors (30), the output shafts of the two rotating motors (30) are respectively provided with two half gears (29), the outer wall of one side, the outer wall of one side of each of the two movable rack plates (28) is arranged on the outer wall of one side of each of the two connecting blocks (36), the outer wall of the bottom of each of the movable rack plates (28) is meshed with the corresponding half gear (29), the outer wall of one side of each of the four sieve plate supporting plates (15) is provided with two blanking plates (16), the outer wall of the top of the bottom plate (5) is provided with two rice recycling baskets (9), the outer wall of one side of each of the connecting supporting frames (10) is provided with a control panel (4), and the rotating motor (30) is electrically connected.

2. The rice processing screening device with the anti-blocking mechanism is characterized in that the screening mechanism comprises two fixing blocks (20), an air blower (19) and a separation column (23), the two fixing blocks (20) are respectively arranged on the inner walls of the two sides of the screening frame (1), the air blower (19) is arranged on the outer wall of one side of the two fixing blocks (20), the separation column (23) is arranged on the inner wall of the bottom of the screening frame (1), and the air blower (19) is electrically connected with the control panel (4).

3. The rice processing screening device with the anti-blocking mechanism is characterized in that two inclined material guide blocks (21) are arranged on the inner wall of the bottom of the screening frame (1).

4. The screening apparatus for rice processing with the anti-blocking mechanism according to claim 3, wherein a brush (37) is provided on an outer wall of one side of the L-shaped fixing plate (39).

5. The screening equipment with the anti-blocking mechanism for the rice processing as claimed in claim 4, wherein the outer wall of the top of the blanking plate (16) is provided with two second material guiding plates (32), and the outer wall of the top of the sliding plate (26) is provided with two first material guiding plates (25).

6. The screening device with the anti-blocking mechanism for rice processing as claimed in claim 5, wherein four guiding slide rails (6) are arranged on the outer wall of the top of the bottom plate (5), two dust collecting boxes (14) are respectively connected to the inner walls of the four guiding slide rails (6) in a sliding manner, and two handles (34) and four discharge ports (33) are respectively arranged on the outer wall of one side of the two dust collecting boxes (14).

7. The screening device with the anti-blocking mechanism for the rice processing as claimed in claim 6, wherein a dust-proof frame (12) is arranged on the outer wall of the top of the dust collection box (14), and the dust-proof frame (12) is fixed on the outer wall of one side of the two discharge holes (33) through screws.

8. The rice processing screening apparatus with the anti-blocking mechanism according to claim 7, wherein the outer wall of one side of the connecting block (36) is provided with a corrugated elastic block (41), the outer wall of one side of the corrugated elastic block (41) is arranged on the outer wall of one side of the mounting plate (17), and the outer wall of one side of the mounting plate (17) is provided with two sealing plates (40).

9. The screening device with the anti-blocking mechanism for rice processing according to claim 8, wherein two weighing plates (7) are arranged on the outer wall of the top of the bottom plate (5), two warning lamps (8) are respectively arranged on the outer wall of the top of the two weighing plates (7), two rice recycling baskets (9) are respectively arranged on the outer wall of the top of the two weighing plates (7), and the two weighing plates (7) and the two warning lamps (8) are respectively and electrically connected with the control panel (4).

10. The screening apparatus with the anti-blocking mechanism for rice processing as claimed in claim 9, wherein two connecting and fixing columns (3) are respectively arranged on the outer walls of two sides of the screening frame (1), and the outer walls of the bottoms of the two connecting and fixing columns (3) are respectively arranged on the outer wall of the top of the bottom plate (5).