CN115646801A

CN115646801A - Tea screening machine with hierarchical grading function

Info

Publication number: CN115646801A
Application number: CN202211220418.4A
Authority: CN
Inventors: 许启忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-05
Filing date: 2022-10-05
Publication date: 2023-01-31

Abstract

The invention discloses a tea screening machine with a hierarchical grading function, which comprises a box body, wherein two screening frames are arranged in an inner cavity of the box body, and the two screening frames are arranged up and down.

Description

Tea screening machine with hierarchical grading function

Technical Field

The invention relates to the technical field of tea screening, in particular to a tea screening machine with a hierarchical grading function.

Background

Tea, commonly known as tea, generally comprises the leaves and shoots of the tea plant. The tea leaf components include catechin, cholestenone, caffeine, inositol, folic acid, and pantothenic acid, and are beneficial for health. A tea beverage made of tea leaves is one of three major beverages in the world. The tea is from China, and can be divided into spring tea, summer tea, autumn tea and winter tea according to the seasons. Various raw tea or refined tea is processed into tea, including scented tea, compressed tea, extracted tea, medicinal health tea, tea food, tea-containing beverage, etc. In addition, the tea leaves have different levels, and the tea leaves in different levels have different application fields.

Present tealeaves sieve separator when using, can only carry out once the screening, can not carry out multi-level screening simultaneously, and can only select high-quality tealeaves, still need manual the comparatively fine and broken tealeaves that select to use in the residue after the screening to realize the hierarchical classification of tealeaves, the suitability is relatively poor, and in addition, present tealeaves sieve separator is not convenient for the ejection of compact, needs the manual unloading of staff, has not only increased intensity of labour, and has reduced work efficiency.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a tea screening machine with a hierarchical grading function.

In order to achieve the purpose, the invention provides the following technical scheme: the tea screening machine with the hierarchical grading function comprises a box body, wherein an inner cavity of the box body is provided with two screening frames, the two screening frames are arranged from top to bottom, the left sides of the two screening frames are jointly provided with a turnover mechanism, the left sides of the bottoms of the two screening frames are jointly provided with a shaking mechanism, the screening frames are located at the top, the bottom of the inner cavity of the screening frame is fixedly connected with a first screen, the bottom of the inner cavity of the screening frame is located at the bottom, the right sides of the two screening frames are close to the bottom, a discharge hole is formed in the position, two openings are formed in the right side of the box body, the two openings are arranged from top to bottom, the bottom of the inner cavity of the box body is provided with a cleaning mechanism, the top of the box body is close to a storage box fixedly connected with the middle position, a feed inlet is formed in the top of the storage box body, the bottom of the inner cavity of the storage box body is fixedly connected with a guide table, a discharging pipe is inserted into the bottom of the storage box body, the bottom of the discharging pipe penetrates through the top of the box body and extends to the inner cavity of the box body, an electromagnetic control valve is arranged at the top of the box body, and a controller is fixedly connected with the left side of the bottom of the box body, and a sundry opening is formed in the bottom of the box body.

Preferably, the turnover mechanism comprises two movable plates, the two movable plates are respectively positioned at the left sides of the two screening frames, the right sides of the two screening frames are fixedly connected with two connecting plates, the two connecting plates are arranged in a front-back manner, a plurality of connecting plates are fixedly connected with first bearings, movable shafts are arranged in the inner cavities of the first bearings in a penetrating manner, fixed cylinders are arranged at the right sides of the two movable plates, the front and back sides of each fixed cylinder are respectively and fixedly connected with the adjacent movable shafts, the left sides of the inner cavities of the two fixed cylinders are respectively and fixedly connected with first springs, limiting plates are fixedly connected at the right sides of the first springs, cross rods are fixedly connected at the right sides of the two limiting plates, through holes matched with the cross rods are formed at the right sides of the two fixed cylinders, and the right ends of the two cross rods respectively penetrate through the adjacent inner cavities of the through holes, the two movable shafts are fixedly connected with driven bevel gears respectively at the front ends, the tops of the driven bevel gears are engaged with transmission bevel gears, the tops of the two transmission bevel gears are provided with fixed plates, the left sides of the fixed plates are fixedly connected with the adjacent movable plates, the two fixed plates are fixedly connected with second bearings respectively, inner cavities of the second bearings are provided with square hole circular tubes in a penetrating manner, the bottoms of the two square hole circular tubes are respectively provided with circle centers of the adjacent transmission bevel gears in a penetrating manner, inner cavities of the two square hole circular tubes are provided with square rods in a penetrating manner together, transmission rods are fixedly connected with the top ends of the square rods, the top of the box body is close to a motor shell fixedly connected at the left side, a servo motor is fixedly connected with the top of the inner cavity of the motor shell, and a third bearing is fixedly connected with the top of the box body close to the left side, and the top end of the transmission rod penetrates through the inner cavity of the third bearing and is fixedly connected with the power output end of the servo motor.

Preferably, two the equal fixedly connected with slider in left side of fly leaf, the inner chamber left side of box is close to top and bottom department and has all seted up the spout, two slider swing joint respectively is in adjacent spout inner chamber, two the equal fixedly connected with second spring in bottom of slider, just the bottom and the adjacent second spout inner chamber bottom fixed connection of second spring.

Preferably, two the equal first L shape pole of fixedly connected with in left side of slider, two the left side of spout all sets up the fluting that matches each other with first L shape pole, two the other end of first L shape pole runs through adjacent fluting inner chamber respectively to equal fixedly connected with press head, two all be equipped with touch switch under the press head, just touch switch's bottom fixedly connected with L shaped plate, two one side of L shaped plate all with the left side wall fixed connection of box, and two the equal fixedly connected with warning light in left side of L shaped plate.

Preferably, the shake mechanism includes two risers, and two the riser is fixed connection respectively in the bottom left side department of two screening frames, two the right side of riser all is equipped with the cam, just the bottom of cam is close to left side fixedly connected with pivot, two the bottom of pivot is all rotated and is connected with the diaphragm, just the left side of diaphragm and the inner chamber left side wall fixed connection of box, two the outside of pivot is all overlapped and is equipped with the worm wheel, just the rear side meshing of worm wheel has the worm, two left side fixedly connected with fourth bearings of box, and two the fourth bearing sets up from top to bottom, two the left end of worm runs through adjacent fourth bearing inner chamber respectively to all extend to the outside of box, the left side of box is close to bottom fixedly connected with support, just the top fixedly connected with drive motor of support, drive motor's power take off end and the left end fixed connection that is located the worm, two the outside of worm is close to left end department and all overlaps and is equipped with single sheave, two be equipped with the belt between the single sheave, and two connect through belt transmission between the single sheave.

Preferably, two the right side of discharge gate all laminates and is equipped with L shape baffle, two the equal fixedly connected with electric putter in right side top department of screening frame, just electric putter's power end and adjacent L shape baffle top fixed connection.

Preferably, the bottom of the inner cavity of each opening is fixedly connected with a material guide plate, a downward included angle between each material guide plate and the right side wall of the box body is an acute angle, and the front side and the rear side of the top of each material guide plate are fixedly connected with side plates.

Preferably, clearance mechanism includes trapezoidal plate, just trapezoidal plate laminating sets up in the inner chamber bottom left side department of box, both sides are close to the equal fixedly connected with fixture block in top department around the trapezoidal plate, two draw-in grooves have all been seted up to both sides around the inner chamber of box, and two the draw-in groove sets up about for the draw-in groove, two fixture block swing joint is respectively at two draw-in groove inner chambers that are located the bottom, a plurality of the right side of draw-in groove is uncovered setting.

Preferably, the bottom of trapezoidal plate is seted up flutedly, just the laminating of recess inner chamber bottom is equipped with the brush, the equal fixedly connected with second L shape pole of top left and right sides department of brush, two the common fixedly connected with thread block of the other end of second L shape pole, just set up threaded hole on the thread block, threaded hole inner chamber runs through and is equipped with the threaded rod, just the top and the recess inner chamber top of threaded rod are rotated and are connected, the outside of threaded rod is close to top department cover and is equipped with passive conical gear, just passive conical gear's right side meshing has initiative conical gear, the fixedly connected with bull stick is located to initiative conical gear's right side centre of a circle, the right side fixedly connected with fifth bearing of trapezoidal plate, just the right-hand member of bull stick runs through the inner chamber of fifth bearing and row's miscellaneous mouthful to fixedly connected with returns the shape handle.

Preferably, the inner chamber left side top department of feed inlet articulates there is the apron, just the top of apron is close to right side department fixedly connected with handle, the bottom of apron is close to right side department laminating and is equipped with the baffle, just the right side of baffle and the inner chamber right side wall fixed connection of feed inlet.

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

1. according to the tea leaf screening machine, the two vertical plates can be pushed to move leftwards through the mutual matching of the transmission motor, the worm wheel, the single grooved wheel, the belt, the rotating shaft and the cam, and the screening frame can be reset rightwards through the mutual matching of the fixed cylinder, the first spring, the limiting plate and the cross rod, so that the left shaking and the right shaking of the screening frame are realized, the screening efficiency of tea leaves is accelerated, in addition, the tea leaves can be screened in multiple levels through the arrangement of the double-layer screening frame, high-quality-level tea leaves, middle-level tea leaves and poor-quality tea leaves are effectively screened, the hierarchical grading of the tea leaves is completed, the time for hierarchical grading of the tea leaves is effectively shortened, and the applicability is strong;

2. according to the tea leaf sorting machine, through the mutual matching among the sliding block, the sliding groove, the second spring and the first L-shaped rod, when tea leaves screened in the two screening frames are accumulated to a certain weight, the two pressing heads are pressed to move downwards, and adjacent touch switches are respectively turned on, so that a warning lamp is started;

3. in addition, after the trapezoidal plate is pulled out of the inner cavity of the box body, the two clamping blocks can be respectively inserted into the inner cavities of the two clamping grooves at the top, the rotating rod is driven to rotate by rotating the clip handle, the rotating rod drives the threaded rod to rotate by meshing of the driving conical gear and the driven conical gear, the threaded rod rotates to drive the threaded block to move downwards, the two second L-shaped rods jointly push the hairbrush to move downwards, the bottom of the hairbrush is attached to the bottom of the inner cavity of the box body, the trapezoidal plate is pulled to move rightwards again, dust deposited at the bottom of the inner cavity of the box body can be cleaned, and the neatness of the inner cavity of the box body is improved.

Drawings

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

FIG. 2 is a right side view of the trapezoidal plate of the present invention component;

FIG. 3 is a perspective view of a material guide plate of the present invention;

FIG. 4 is a schematic view of the connection structure of the movable plate and the connecting plate of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 1;

FIG. 6 is an enlarged view at B of FIG. 1;

FIG. 7 is an enlarged view at C of FIG. 1;

fig. 8 is an enlarged view at D in fig. 1.

Reference numbers in the figures: 1. a box body; 2. screening the frame; 3. a first screen; 4. a second screen; 5. a material guide plate; 6. a side plate; 7. a material storage box; 8. a discharging pipe; 9. an electromagnetic control valve; 10. a transverse plate; 11. a vertical plate; 12. a cam; 13. a rotating shaft; 14. a worm gear; 15. a worm; 16. a single sheave; 17. a drive motor; 18. a servo motor; 19. a controller; 20. a clip-shaped grip; 21. a trapezoidal plate; 22. a movable plate; 23. a connecting plate; 24. a movable shaft; 25. a fixed cylinder; 26. a first spring; 27. a limiting plate; 28. a cross bar; 29. a driven bevel gear; 30. a transmission bevel gear; 31. a square hole circular tube; 32. a square bar; 33. a first L-shaped bar; 34. a pressing head; 35. an L-shaped plate; 36. a touch switch; 37. a warning light; 38. a second spring; 39. a brush; 40. a second L-shaped bar; 41. a thread block; 42. a threaded rod; 43. a driven bevel gear; 44. a driving bevel gear; 45. an electric push rod; 46. an L-shaped baffle plate; 47. a cover plate; 48. a transmission rod; 49. and (4) rotating the rod.

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. 1-8, the present invention provides a technical solution: a tea screening machine with a hierarchical grading function comprises a box body 1, wherein two screening frames 2 are arranged in an inner cavity of the box body 1, the two screening frames 2 are arranged up and down, a turnover mechanism is jointly arranged on the left sides of the two screening frames 2, a shaking mechanism is jointly arranged on the left sides of the bottoms of the two screening frames 2, a first screen 3 is fixedly connected to the bottom of the inner cavity of the screening frame 2 at the top, a second screen 4 is fixedly connected to the bottom of the inner cavity of the screening frame 2 at the bottom, discharge holes are formed in the positions, close to the bottoms, of the right sides of the two screening frames 2, an L-shaped baffle 46 is arranged on the right sides of the two discharge holes in a laminating mode, an electric push rod 45 is fixedly connected to the top of the right sides of the two screening frames 2, the power end of the electric push rod 45 is fixedly connected with the tops of the adjacent L-shaped baffles 46, two openings are formed in the right side of the box body 1 and are arranged up and down, the bottom of the inner cavity of the two openings is fixedly connected with a material guide plate 5, a downward included angle between the material guide plate 5 and the right side wall of the box body 1 is an acute angle, the front side and the rear side of the top of the two material guide plates 5 are fixedly connected with side plates 6 to facilitate the guiding of tea leaves and the collection of workers, the bottom of the inner cavity of the box body 1 is provided with a cleaning mechanism, the top of the box body 1 close to the middle position is fixedly connected with a material storage box 7, the top of the material storage box 7 is provided with a material inlet, the top of the left side of the inner cavity of the material inlet is hinged with a cover plate 47, the top of the cover plate 47 close to the right side is fixedly connected with a handle, the bottom of the cover plate 47 close to the right side is provided with a baffle, the right side of the baffle is fixedly connected with the right side wall of the inner cavity of the material inlet, the sealing performance of the material storage box 7 is improved, the bottom of the material guide platform is fixedly connected with a material storage box 7, and a blanking pipe 8 is inserted in the bottom of the material storage box 7, the bottom end of the blanking pipe 8 penetrates through the top of the box body 1 and extends to the inner cavity of the box body 1, an electromagnetic control valve 9 is arranged on the blanking pipe 8, a controller 19 is fixedly connected to the position, close to the left side, of the top of the box body 1, and a trash discharging opening is formed in the position, close to the right side, of the bottom of the box body 1;

the turnover mechanism comprises two movable plates 22, the two movable plates 22 are respectively positioned at the left sides of the two screening frames 2, the right sides of the two screening frames 2 are fixedly connected with two connecting plates 23, the two connecting plates 23 are arranged in the front and back directions, a first bearing is fixedly connected to each of the connecting plates 23, a movable shaft 24 penetrates through an inner cavity of the first bearing, a fixed cylinder 25 is arranged at each right side of the two movable plates 22, the front side and the back side of each fixed cylinder 25 are respectively and fixedly connected with the adjacent movable shaft 24, the left sides of the inner cavities of the two fixed cylinders 25 are respectively and fixedly connected with a first spring 26, a limiting plate 27 is fixedly connected to the right side of each first spring 26, a cross rod 28 is fixedly connected to each right side of the two limiting plates 27, through holes matched with the cross rod 28 are respectively formed at each right side of the two fixed cylinders 25, and the right ends of the two cross rods 28 respectively penetrate through the adjacent inner cavities of the through holes, and are fixedly connected with the left side of the adjacent screening frame 2 respectively, the front ends of the two movable shafts 24 positioned at the front side are fixedly connected with driven bevel gears 29 respectively, the top parts of the driven bevel gears 29 are engaged with transmission bevel gears 30, the top parts of the two transmission bevel gears 30 are provided with fixing plates respectively, the left sides of the fixing plates are fixedly connected with the adjacent movable plates 22, the two fixing plates are fixedly connected with second bearings respectively, the inner cavities of the second bearings are provided with square hole circular tubes 31 respectively in a penetrating manner, the bottom ends of the two square hole circular tubes 31 are respectively provided with circle centers of the adjacent transmission bevel gears 30 in a penetrating manner, the inner cavities of the two square hole circular tubes 31 are provided with square rods 32 in a penetrating manner together, the top ends of the square rods 32 are fixedly connected with transmission rods 48, the top part of the box body 1 close to the left side is fixedly connected with a motor shell, the top part of the inner cavity of the motor shell is fixedly connected with a servo motor 18, and the top part of the box body 1 close to the left side is fixedly connected with a third bearing, the top end of the transmission rod 48 penetrates through the inner cavity of the third bearing and is fixedly connected with the power output end of the servo motor 18, the left sides of the two movable plates 22 are fixedly connected with sliding blocks, sliding grooves are formed in the positions, close to the top and the bottom, of the left side of the inner cavity of the box body 1, the two sliding blocks are movably connected with the adjacent sliding groove inner cavities respectively, the bottoms of the two sliding blocks are fixedly connected with second springs 38, the bottom ends of the second springs 38 are fixedly connected with the bottoms of the adjacent second sliding groove inner cavities, the left sides of the two sliding blocks are fixedly connected with first L-shaped rods 33, the left sides of the two sliding grooves are respectively provided with grooves matched with the first L-shaped rods 33, the other ends of the two first L-shaped rods 33 penetrate through the adjacent groove inner cavities respectively and are fixedly connected with pressing heads 34, touch switches 36 are arranged right below the two pressing heads 34, the bottoms of the touch switches 36 are fixedly connected with L-shaped plates 35, one sides of the two L-shaped plates 35 are fixedly connected with the left side wall of the box body 1, warning lamps 37 are fixedly connected with the left sides of the two L-shaped plates 35, the two L-shaped plates 2 are used for automatically monitoring the tea leaf amount in the tea amount in the two sub-frames 2, the tea amount after the tea amount is set, the tea amount is reached, the labor intensity is automatically monitored, the labor intensity of the labor, and the blanking worker is reduced;

the shaking mechanism comprises two vertical plates 11, the two vertical plates 11 are fixedly connected to the left sides of the bottoms of the two screening frames 2 respectively, cams 12 are arranged on the right sides of the two vertical plates 11, rotating shafts 13 are fixedly connected to the positions, close to the left sides, of the bottoms of the cams 12, the bottom ends of the two rotating shafts 13 are rotatably connected with transverse plates 10, the left sides of the transverse plates 10 are fixedly connected with the left side walls of the inner cavities of the box bodies 1, worm wheels 14 are sleeved on the outer sides of the two rotating shafts 13, worms 15 are meshed with the rear sides of the worm wheels 14, two fourth bearings are fixedly connected to the left sides of the box bodies 1 and arranged up and down, the left ends of the two worms 15 penetrate through the inner cavities of the adjacent fourth bearings respectively and extend to the outer sides of the box bodies 1, a support is fixedly connected to the position, a transmission motor 17 is fixedly connected to the top of the support, the power output end of the transmission motor 17 is fixedly connected with the left end of the worm 15 located at the bottom, single sheave 16 is sleeved on the position, a single sheave 16 is arranged on the outer side of the two worms 15, a belt is connected through a belt, and the screening efficiency is improved;

clearance mechanism includes trapezoidal plate 21, and the laminating of trapezoidal plate 21 sets up in the inner chamber bottom left side department of box 1, both sides are close to the equal fixedly connected with fixture block in top department around trapezoidal plate 21, two draw-in grooves have all been seted up to both sides around the inner chamber of box 1, and two draw-in grooves are setting up from top to bottom, two fixture block swing joint are respectively at two draw-in groove inner chambers that are located the bottom, the right side of a plurality of draw-in groove is uncovered setting, trapezoidal plate 21's bottom is seted up flutedly, and the laminating of recess inner chamber bottom is equipped with brush 39, equal fixedly connected with second L shape pole 40 is located to the top left and right sides department of brush 39, the common fixedly connected with thread block 41 of the other end of two second L shape poles 40, and set up threaded hole on the thread block 41, the threaded hole inner chamber runs through and is equipped with threaded rod 42, and the top of threaded rod 42 rotates to be connected, the outside of threaded rod 42 is close to top department cover and is equipped with passive bevel gear 43, and the right side meshing of passive bevel gear 43 has active bevel gear 44, the centre of a circle department fixedly connected with rotor 49, the right side of trapezoidal plate 21's inner chamber runs through fifth bearing and the neat shape of the inner chamber of fixing, the box is connected with the inner chamber 20 that returns.

The working principle is as follows: when the tea leaf screening machine is used, a cover plate 47 is opened to pour tea leaves to be screened into a storage box 7, an electromagnetic control valve 9 is started through a controller 19, the tea leaves enter an inner cavity of a screening frame 2 at the top through a discharging pipe 8, the electromagnetic control valve 9 is closed after enough tea leaves enter, a transmission motor 17 is started, the transmission motor 17 works to drive a worm 15 at the bottom to rotate and drive a worm 15 at the top to rotate simultaneously through transmission between two single grooved wheels 16 and a belt, the two worms 15 rotate to drive two worm wheels 14 to rotate and drive two rotating shafts 13 to rotate, the two rotating shafts 13 rotate to drive two cams 12 to rotate and push two vertical plates 11 to move leftwards, so as to drive the screening frame 2 to move leftwards, the screening frame 2 can be reset through mutual matching among a fixed cylinder 25, a first spring 26, a limiting plate 27 and a transverse rod 28, so as to realize left-right reciprocating shaking of the screening frame 2, the tea leaves in the screening frame 2 at the top fall into a screening frame 2 at the bottom after being filtered through a first screen 3, then fall into a screening frame 2 at the bottom through a second screen 4, a conical driving rod 32 is driven by a servo driving rod 32 to rotate, a second driving rod 32, a pressing rod 32 is started, a pressing rod 32 is driven rod to drive a pressing rod to rotate, a pressing rod 32 to drive a conical driving rod to move downwards, so as to drive a pressing rod 32 to move downwards, a driving rod 32, a conical driving rod 32, a driving rod 32 to drive a driving rod to move downwards, a driving rod 32 to drive a driving rod to move downwards, a conical driving rod to drive a conical driving rod 32, a driving rod to move downwards, a conical driving rod to move downwards, thereby driving the two fixed cylinders 25 to deflect, making the right sides of the two screening frames 2 deflect downwards, and starting the two electric push rods 45 to pull the two L-shaped baffles 46 to move upwards, making the tea in the two screening frames 2 drop onto the two guide plates 5 from the discharge port, facilitating the staff to collect the tea at the bottoms of the guide plates 5, improving the discharging efficiency, and simultaneously reducing the labor intensity of the staff, when the broken slag accumulated at the bottom of the inner cavity of the box 1 needs to be cleaned, holding the clip handle 20 and pulling the trapezoidal plate 21 to move rightwards through the rotating rod 49, because the bottom of the trapezoidal plate 21 is attached to the bottom of the inner cavity of the box 1, making the trapezoidal plate 21 push the broken slag at the bottom of the inner cavity of the box 1 out of the trash discharge port in the moving process, after the trapezoidal plate 21 is pulled out from the inner cavity of the box 1, respectively aligning the two clamping blocks to the two clamping slots at the top, and inserting the trapezoidal plate 21 into the inner cavity of the box 1 again, and making the trapezoidal plate 21 be in a suspended arrangement, driving the rotating rod 49 to rotate through the rotating bevel gear 44 and driving the brush 42 to push the bottom of the box 1 to move downwards through the brush 39, and further driving the brush to move downwards through the second brush 39, and driving the brush to move downwards through the second brush 5, and driving the inner cavity of the box 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 tealeaves sieve separator with hierarchical function, includes box (1), its characterized in that: the inner cavity of the box body (1) is provided with two screening frames (2), the two screening frames (2) are arranged up and down, the left sides of the two screening frames (2) are provided with a turnover mechanism together, and the left sides of the bottoms of the two screening frames (2) are provided with a shaking mechanism together, the bottom of the inner cavity of the screening frame (2) positioned at the top is fixedly connected with a first screen (3), the bottom of the inner cavity of the screening frame (2) positioned at the bottom is fixedly connected with a second screen (4), the right sides of the two screening frames (2) close to the bottom are provided with discharge ports, the right side of the box body (1) is provided with two openings, the two openings are arranged up and down, the bottom of the inner cavity of the box body (1) is provided with a cleaning mechanism, a material storage box (7) is fixedly connected to the top of the box body (1) near the middle position, a feed inlet is arranged at the top of the storage box (7), a guide platform is fixedly connected at the bottom of the inner cavity of the storage box (7), a blanking pipe (8) is inserted at the bottom of the material storage box (7), the bottom end of the blanking pipe (8) penetrates through the top of the box body (1), and extends to the inner cavity of the box body (1), an electromagnetic control valve (9) is arranged on the blanking pipe (8), the top of the box body (1) is fixedly connected with a controller (19) close to the left side, and the bottom of the right side of the box body (1) is provided with a trash discharging port.

2. The tea screening machine with the hierarchical grading function according to claim 1, characterized in that: the turnover mechanism comprises two movable plates (22), the two movable plates (22) are respectively positioned on the left sides of the two screening frames (2), the right sides of the two screening frames (2) are respectively and fixedly connected with two connecting plates (23), the two connecting plates (23) are arranged in a front-back manner, a plurality of first bearings are respectively and fixedly connected onto the connecting plates (23), the inner cavities of the first bearings are provided with movable shafts (24) in a penetrating manner, the right sides of the two movable plates (22) are respectively provided with a fixed cylinder (25), the front side and the rear side of the fixed cylinder (25) are respectively and fixedly connected with the adjacent movable shafts (24), the left sides of the inner cavities of the two fixed cylinders (25) are respectively and fixedly connected with first springs (26), the right sides of the first springs (26) are respectively and fixedly connected with limiting plates (27), the right sides of the limiting plates (27) are respectively and fixedly connected with transverse rods (28), the right sides of the two fixed cylinders (25) are respectively provided with through holes matched with transverse rods (28), the right ends of the two transverse rods (28) respectively penetrate through the adjacent through holes and are respectively connected with the adjacent screening frames (2), the left sides of the conical gears (29) are respectively and the transmission shafts (30) are respectively provided with driven gears meshed with the top parts of two conical gears (29), just the left side of fixed plate and adjacent fly leaf (22) fixed connection, two equal fixedly connected with second bearing on the fixed plate, just the second bearing inner chamber runs through and is equipped with square hole pipe (31), two the centre of a circle of adjacent transmission conical gear (30) is run through respectively to the bottom of square hole pipe (31), two the inner chamber of square hole pipe (31) runs through jointly and is equipped with square bar (32), just the top fixedly connected with transfer line (48) of square bar (32), the top of box (1) is close to left side department fixedly connected with motor casing, just motor casing inner chamber top fixedly connected with servo motor (18), the top of box (1) is close to left side department fixedly connected with third bearing, the top of transfer line (48) runs through the third bearing inner chamber to with the power take off end fixed connection of servo motor (18).

3. The tea screening machine with the hierarchical grading function according to claim 2, characterized in that: two the equal fixedly connected with slider in left side of fly leaf (22), the spout has all been seted up near top and bottom department in the inner chamber left side of box (1), two slider swing joint is at adjacent spout inner chamber, two the equal fixedly connected with second spring (38) in bottom of slider, just the bottom and the adjacent second spout inner chamber bottom fixed connection of second spring (38).

4. The tea screening machine with the hierarchical grading function according to claim 3, characterized in that: two equal first L shape pole (33) of fixedly connected with in left side of slider, two the left side of spout all sets up the fluting that matches each other with first L shape pole (33), two the other end of first L shape pole (33) runs through adjacent fluting inner chamber respectively to equal fixedly connected with presses the pressure head (34), two all be equipped with touch switch (36) under press head (34), just the bottom fixedly connected with L shaped plate (35) of touch switch (36), two one side of L shaped plate (35) all with the left side wall fixed connection of box (1), and two the equal fixedly connected with warning light (37) in left side of L shaped plate (35).

5. The tea screening machine with the hierarchical grading function according to claim 1, characterized in that: the shaking mechanism comprises two vertical plates (11), the two vertical plates (11) are respectively and fixedly connected to the left sides of the bottoms of the two screening frames (2), the right sides of the two vertical plates (11) are respectively provided with a cam (12), and the bottom of the cam (12) near the left side is fixedly connected with a rotating shaft (13), the bottom ends of the two rotating shafts (13) are both rotatably connected with a transverse plate (10), the left side of the transverse plate (10) is fixedly connected with the left side wall of the inner cavity of the box body (1), worm gears (14) are sleeved on the outer sides of the two rotating shafts (13), a worm (15) is meshed with the rear side of the worm wheel (14), two fourth bearings are fixedly connected with the left side of the box body (1), the two fourth bearings are arranged up and down, the left ends of the two worms (15) respectively penetrate through the inner cavities of the adjacent fourth bearings, and both extend to the outer side of the box body (1), the left side of the box body (1) close to the bottom is fixedly connected with a bracket, and the top fixedly connected with drive motor (17) of support, the power take off end of drive motor (17) and the worm (15) left end fixed connection who is located the bottom, two the outside of worm (15) is close to left end department and all is equipped with single sheave (16), two be equipped with the belt between single sheave (16), and two connect through belt transmission between single sheave (16).

6. The tea screening machine with the hierarchical grading function according to claim 1, characterized in that: two the right side of discharge gate all laminates and is equipped with L shape baffle (46), two the equal fixedly connected with electric putter (45) of right side top department of screening frame (2), just the power end and the adjacent L shape baffle (46) top fixed connection of electric putter (45).

7. The tea screening machine with the hierarchical grading function according to claim 1, characterized in that: the bottom of the inner cavity of each opening is fixedly connected with a material guide plate (5), a downward included angle between the material guide plate (5) and the right side wall of the box body (1) is an acute angle, and the front side and the rear side of the top of each material guide plate (5) are fixedly connected with side plates (6).

8. The tea screening machine with the hierarchical grading function according to claim 1, characterized in that: clearance mechanism includes trapezoidal plate (21), just trapezoidal plate (21) laminating sets up in the inner chamber bottom left side department of box (1), both sides are close to the equal fixedly connected with fixture block in top department around trapezoidal plate (21), two draw-in grooves have all been seted up to both sides around the inner chamber of box (1), and two the draw-in groove sets up about for, two fixture block swing joint is respectively at two draw-in groove inner chambers that are located the bottom, a plurality of the right side of draw-in groove is uncovered setting.

9. The tea screening machine with the hierarchical grading function according to claim 8, characterized in that: the bottom of trapezoidal plate (21) is seted up flutedly, just the laminating of recess inner chamber bottom is equipped with brush (39), equal fixedly connected with second L shape pole (40), two of the top left and right sides department of brush (39) the common fixedly connected with thread block (41) of the other end of second L shape pole (40), just set up threaded hole on thread block (41), threaded hole inner chamber runs through and is equipped with threaded rod (42), just the top and the recess inner chamber top of threaded rod (42) are rotated and are connected, the outside of threaded rod (42) is close to top department cover and is equipped with passive conical gear (43), just the right side meshing of passive conical gear (43) has initiative conical gear (44), fixedly connected with bull stick (49) is located to the right side centre of a circle of initiative conical gear (44), the right side fixedly connected with fifth bearing of trapezoidal plate (21), just the right-hand member of bull stick (49) runs through the inner chamber of fifth bearing and miscellaneous mouthful of row to fixedly connected with returns shape handle (20).

10. The tea screening machine with the hierarchical grading function according to claim 1, characterized in that: the utility model discloses a feed inlet, including the inner chamber of feed inlet, the inner chamber left side top department of feed inlet articulates there is apron (47), just the top of apron (47) is close to right side department fixedly connected with handle, the bottom of apron (47) is close to right side department laminating and is equipped with the baffle, just the right side of baffle and the inner chamber right side wall fixed connection of feed inlet.