CN111822360A

CN111822360A - Jujube cleaning and screening machine

Info

Publication number: CN111822360A
Application number: CN202010571499.7A
Authority: CN
Inventors: 徐志文
Original assignee: Zhuji Jinjiaping Fruit Professional Cooperative
Current assignee: Zhuji Jinjiaping Fruit Professional Cooperative
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2020-10-27

Abstract

The invention relates to the field of fruit screening, in particular to a jujube cleaning and screening machine which comprises a workbench, a cleaning mechanism, a drying mechanism, a heating mechanism and a screening mechanism, wherein the cleaning mechanism is vertically and fixedly arranged on one side of the top of the workbench, the drying mechanism is obliquely arranged in the middle of the top end of the workbench, the heating mechanism is fixedly arranged on one side of the drying mechanism, which is far away from the cleaning mechanism, the drying mechanism comprises a turning mechanism, the screening mechanism is fixedly arranged at the bottom of the workbench, a blanking connecting pipe is fixedly arranged at the bottom of the cleaning mechanism, the output end of the blanking connecting pipe is communicated with the interior of the drying mechanism, the drying mechanism comprises a drying cylinder, a blanking channel is vertically and downwards arranged at the bottom of the lower end of the drying cylinder, the blanking channel is positioned right above the initial end of the screening mechanism, the jujube cleaning and screening machine has the advantages of simple structure, convenient operation and small occupied area, jujube screening can dry water, meeting the market demand.

Description

Jujube cleaning and screening machine

Technical Field

The invention relates to the field of fruit screening, in particular to a jujube cleaning and screening machine.

Background

The jujube, also known as red jujube, is listed as one of "five fruits" (peach, plum, apricot, jujube) since ancient times, the history is long, the most prominent characteristic of jujube is high in vitamin content, a clinical study in abroad shows that the patient who continuously eats jujube has more than 3 times faster health recovery than simply eating vitamin medicament, therefore, the jujube has the reputation of "natural vitamin pill", the red jujube is temperate crop, the adaptability is strong, the name of "iron rod crops" is vegetarian, the jujube has the characteristics of drought resistance and waterlogging resistance, and the jujube is the first choice for developing the water-saving fruit industry.

The market price of jujube and jujube is different, distinguish jujube and go the sale that can be better, still will get rid of the drop of water on the jujube epidermis after the jujube washs, otherwise have the jujube of drop of water long-term storage can encourage the growth of bacterium, it is generally that the manual comparison that goes on wastes time and energy to the screening of jujube, it utilizes the drying-machine to dry the jujube to generally all to the stoving of jujube, it is more troublesome and unsatisfied market needs.

Disclosure of Invention

The invention aims to provide a jujube cleaning and screening machine.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a jujube washs sieve separator, comprises a workbench, the wiper mechanism, stoving mechanism, heating mechanism and screening mechanism, the vertical fixed setting of wiper mechanism is in top one side of workstation, stoving mechanism slope sets up in the top middle part of workstation, heating mechanism is fixed to be set up in the one side that wiper mechanism was kept away from in stoving mechanism, stoving mechanism is including turning over the mechanism, turn over the fixed middle part that sets up in stoving mechanism of mechanism, screening mechanism is fixed to be set up in the bottom of workstation, the fixed unloading connecting pipe that is provided with in wiper mechanism's bottom, the output and the inside intercommunication of stoving mechanism of unloading connecting pipe, stoving mechanism is including the drying tube, the lower one end bottom of drying tube is vertical to be equipped with the unloading passageway downwards, the unloading passageway is located the screening mechanism top.

As a preferred scheme of the jujube cleaning screening machine, a cleaning mechanism comprises a feeding funnel, a cleaning barrel, a spiral stirring paddle, an atomizing nozzle and a servo motor, the cleaning barrel is vertically arranged on one side of the top end of a workbench, a feeding port is arranged at the top end of the cleaning barrel, a discharging connecting pipe is arranged at the bottom end of the cleaning barrel, the spiral stirring paddle is vertically arranged in the cleaning barrel, the bottom end of the spiral stirring paddle is fixedly arranged in the middle of the bottom end in the cleaning barrel through a shaft seat, the atomizing nozzle is horizontally and fixedly arranged on the side wall of the cleaning barrel, the output end of the atomizing nozzle points to the inside of the cleaning barrel, the feeding funnel is fixedly arranged at the top end of the cleaning barrel, the bottom end of the feeding funnel is fixedly connected with the top end of the feeding through hole, a motor support is horizontally and fixedly arranged at the top end of the feeding funnel, the servo motor is fixedly arranged at the, the output end of the servo motor penetrates through the motor support to be fixedly connected with the top end of the spiral stirring paddle.

As an optimal selection scheme of jujube washing sieve separator, wiper mechanism still includes the inlet tube, and the one end and the atomizer intercommunication that the inlet tube is close to the wash bowl, the one end and the water tank intercommunication that the atomizer was kept away from to the inlet tube, the fixed water valve that is provided with on the inlet tube, atomizer, inlet tube and water valve all are equipped with a plurality of groups, and the equal annular distribution of a plurality of groups atomizer, inlet tube and water valve is on the lateral wall of wash bowl.

As an optimal selection scheme of jujube washing sieve separator, stoving mechanism is still including drying cylinder, barrel holder, and drying cylinder slope fixed mounting is on the barrel holder, and the higher one end of drying cylinder is close to the wash bowl, and the output of unloading connecting pipe and the inside intercommunication of drying cylinder, heating mechanism's output and drying cylinder keep away from wash bowl one end intercommunication.

As a preferred scheme of the jujube cleaning and screening machine, the heating mechanism comprises an air blower and a heating cylinder, the heating cylinder is positioned at the top end of the workbench, the heating cylinder is fixedly installed at one end, far away from the cleaning mechanism, of the drying cylinder, a heating net is fixedly installed on the bottom surface inside the heating cylinder, a ventilation partition plate is arranged on the side wall, close to the drying cylinder, of one end of the heating cylinder, the drying cylinder is fixedly connected with the heating cylinder through the ventilation partition plate, the air blower is fixedly installed at the top end of the workbench, the air blower is positioned at one end, far away from the drying cylinder, of the heating cylinder, and the output.

As an optimal selection scheme of jujube washing sieve separator, turn up the mechanism and include circle, two circle of commentaries on classics circle, gear circle, drive gear, driving motor and turn up the board, drying cylinder middle part is interrupted, and two circle of commentaries on classics structures are the same and all fixed cover locate drying cylinder middle part and be interrupted both ends, and the one end that drying cylinder was kept away from to the circle of commentaries on classics is fixed and has been seted up annular spout, and the activity of turning around sets up in the annular spout of two circle of commentaries on classics, and the fixed cover of gear circle is established in the outside of circle, and one side of barrel holder is fixed and is provided with the diaphragm, the fixed top that sets up and the diaphragm of driving motor level, and its output extends towards the higher one end of drying cylinder, and drive gear is fixed to be set up in driving motor's.

As an optimal selection scheme of jujube washing sieve separator, screening mechanism includes screening frame and branch feed bin, the screening frame is the below that vertical state set up at the workstation, the face slope of screening frame sets up, set up the rectangle passageway along self length direction on the face of screening frame, the blanking hole by little to big equidistance distribution is seted up to the bottom of rectangle passageway, divide the feed bin to set up under the screening frame, it is cuboid hollow body structure and top opening to divide the feed bin, divide the fixed spacer plate that sets up the equidistance distribution in feed bin inboard bottom, divide the fixed ejection of compact handle that is provided with in one side that the screening frame highest place was kept away from to the feed bin, the highest point of rectangle passageway is located the unloading through-hole under.

As a preferred scheme of jujube washing sieve separator, the upper end of the drying cylinder close to one side of the washing cylinder is upwards provided with a vent, and an airflow channel is formed among the vent, the drying cylinder, the heating cylinder and the blower.

The invention has the beneficial effects that: during the use will treat to wash the jujube of screening and put into wiper mechanism in, carry to drying mechanism in through the unloading connecting pipe after the washing is accomplished, heating mechanism heats in to drying mechanism, dial more effective quick drying to the jujube through turning over the mechanism of raising the speed of the mechanism to the turning over of jujube, divide the material screening to the jujube of equidimension in falling into screening mechanism from the unloading passageway again after the stoving is accomplished, this jujube washs sieve separator simple structure convenient operation and area are little, screen the jujube according to the jujube size and can also dry the subsidiary drop of water of peel after the jujube washs, satisfy the demand in market.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is an exploded perspective view of the cleaning mechanism.

Fig. 4 is a schematic perspective view of the drying mechanism.

Fig. 5 is an exploded perspective view of the heating mechanism.

Fig. 6 is an exploded perspective view of the mechanism.

Figure 7 is an exploded perspective view of the screening mechanism.

In the figure:

1. a work table; 2. a cleaning mechanism; 3. a drying mechanism; 4. a heating mechanism; 5. a screening mechanism; 6. a turning mechanism; 7. a blanking connecting pipe; 8. a drying cylinder; 9. a blanking channel; 10. a feeding hopper; 11. a cleaning cylinder; 12. a helical stirring paddle; 13. an atomizing spray head; 14. a servo motor; 15. a shaft seat; 16. a motor bracket; 17. a water inlet pipe; 18. a water valve; 19. a barrel frame; 20. a blower; 21. a heating cylinder; 22. heating the net; 23. a ventilation baffle; 24. rotating the ring; 25. rotating the ring; 26. a gear ring; 27. a drive gear; 28. a drive motor; 29. a turning plate; 30. an annular chute; 31. a transverse plate; 32. a screening rack; 33. a material distributing bin; 34. a discharge handle; 35. a vent; 36. plate surface; 37. a blanking hole; 38. a rectangular channel; 39. a partition plate.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 7, the jujube cleaning and screening machine comprises a workbench 1 and a cleaning mechanism 2, drying mechanism 3, heating mechanism 4 and screening mechanism 5, the vertical fixed setting in top one side of workstation 1 of wiper mechanism 2, the slope of drying mechanism 3 sets up in the top middle part of workstation 1, heating mechanism 4 is fixed to be set up in one side that cleaning mechanism 2 was kept away from to drying mechanism 3, drying mechanism 3 is including turning up mechanism 6, turning up mechanism 6 is fixed to be set up in the middle part of drying mechanism 3, screening mechanism 5 is fixed to be set up in the bottom of workstation 1, the fixed unloading connecting pipe 7 that is provided with in bottom of wiper mechanism 2, the output of unloading connecting pipe 7 and the inside intercommunication of drying mechanism 3, drying mechanism 3 is including drying cylinder 8, the lower one end bottom of drying cylinder 8 is vertical to be equipped with unloading passageway 9 downwards, unloading passageway 9 is located screening mechanism 5 top. During the use will wait to wash the jujube of screening and put into wiper mechanism 2, carry to drying mechanism 3 in through unloading connecting pipe 7 after the washing is accomplished, heating mechanism 4 heats in drying mechanism 3, dials more effective quick drying to the jujube through turning over of raising mechanism 6 to the turning over of jujube, divides the material screening to the jujube of equidimension in falling into screening mechanism 5 from unloading passageway 9 again after the stoving is accomplished.

The cleaning mechanism 2 comprises a feeding funnel 10, a cleaning barrel 11, a spiral stirring paddle 12, an atomizing nozzle 13 and a servo motor 14, the cleaning barrel 11 is vertically arranged on one side of the top end of the workbench 1, a feeding through hole is formed in the top end of the cleaning barrel 11, a discharging connecting pipe 7 is arranged at the bottom end of the cleaning barrel 11, the spiral stirring paddle 12 is vertically arranged inside the cleaning barrel 11, the bottom end of the spiral stirring paddle 12 is fixedly arranged in the middle of the bottom end inside the cleaning barrel 11 through a shaft seat 15, the atomizing nozzle 13 is horizontally and fixedly arranged on the side wall of the cleaning barrel 11, the output end of the atomizing nozzle 13 points to the inside of the cleaning barrel 11, the feeding funnel 10 is fixedly arranged at the top end of the cleaning barrel 11, the bottom end of the feeding funnel 10 is fixedly connected with the top end of a feeding through hole, a motor support 16 is horizontally and fixedly arranged at the top end of the feeding funnel 10, the output end of the servo motor 14 extends vertically and downwards, and the output end of the servo motor 14 passes through the motor bracket 16 and is fixedly connected with the top end of the spiral stirring paddle 12. The dates to be cleaned and screened slide into the cleaning barrel from the feeding hopper 10 to be cleaned, the servo motor 14 drives the spiral stirring paddle 12 to rotate and clean the dates and drive the dates to fall forwards, the spiral stirring paddle 12 is made of an elastic softening material to protect the dates from being extruded and damaged in the rotating and cleaning process, and the atomizing nozzle 13 sprays water mist into the cleaning barrel 11 to clean the dates and then conveys the dates into the drying mechanism 3 through the discharging connecting pipe 7.

The cleaning mechanism 2 further comprises a water inlet pipe 17, one end, close to the cleaning barrel 11, of the water inlet pipe 17 is communicated with the atomizing spray head 13, one end, far away from the atomizing spray head 13, of the water inlet pipe 17 is communicated with the water tank, a water valve 18 is fixedly arranged on the water inlet pipe 17, the atomizing spray head 13, the water inlet pipe 17 and the water valve 18 are all provided with a plurality of groups, and the atomizing spray head 13, the water inlet pipe 17 and the water valve 18 of the plurality of groups are all annularly distributed on the side. The atomizer 13 is connected with a water inlet pipe 17 for water inlet, a water valve 18 is arranged on the water pipe for controlling the water inlet amount, and a plurality of groups of annularly distributed atomizers 13 can remove the stains of the Chinese dates at multiple angles.

Drying mechanism 3 is still including drying cylinder 8 and

barrel holder

19, and 8 slope fixed mounting of drying cylinder are on barrel holder 19, and the higher one end of drying cylinder 8 is close to wash bowl 11, and the output of unloading connecting pipe 7 communicates with the inside of drying

cylinder

8, and 11 one end intercommunication of wash bowl are kept away from with drying cylinder 8 to the output of heating mechanism 4. The 8 slope settings of drying cylinder guarantee that the jujube that has washed gets into 8 back gliding continuation slides and drops to screening mechanism 5 on, and 4 output connection drying cylinders 8 of heating mechanism guarantee to fully heat drying cylinder 8, reduce energy loss.

Heating mechanism 4 is including air-blower 20 and heating cylinder 21, heating cylinder 21 is located 1 top of workstation, heating cylinder 21 fixed mounting is in the one end that wiper mechanism 2 was kept away from to drying cylinder 8, the inside bottom surface fixed mounting of heating cylinder 21 has heating net 22, heating cylinder 21 is close to the one end lateral wall of drying cylinder 8 and is equipped with ventilation baffle 23, through ventilation baffle 23 fixed connection between drying cylinder 8 and the heating cylinder 21, air-blower 20 fixed mounting is on 1 top of workstation, air-blower 20 is located the one end that drying cylinder 8 was kept away from to heating cylinder 21, the output of air-blower 20 and the lateral wall center department intercommunication of heating cylinder 21. Air-blower 20 is bloied and is converted into hot-blastly through heating network 22, hot-blastly from in the heating barrel through in 23 insufflating the drying barrel through ventilating the baffle, guarantee one section distance in hot-blast interval, hot-blast air outlet is too near evaporating the internal moisture of jujube and influence the taste too closely, has one section interval to make in hot-blast mild entering drying cylinder 8.

The mechanism 6 of raising includes circle 24, two circle 25, gear circle 26, drive gear 27, driving motor 28 and the board 29 of raising, 8 middle parts of drying cylinder are interrupted, two circle 25 structures are the same and all fix the both ends of locating 8 middle parts of drying cylinder and being interrupted, circle 25 one end of keeping away from drying cylinder 8 is fixed to have seted up annular spout 30, circle 24 activity sets up in the annular spout 30 of two circle 25, the fixed outside at circle 24 that establishes of circle 26, one side of stack 19 is fixed and is provided with diaphragm 31, the fixed top that sets up and diaphragm 31 of driving motor 28 level, its output extends towards the higher one end of drying cylinder 8, drive gear 27 is fixed to be set up in driving motor 28's output, drive gear 27 meshes with gear circle 26, the board 29 of raising is the inboard that vertical state annular distributes and set up at circle 24. The driving motor 28 drives the driving gear 27 to drive the meshed rotating ring 24, the gear ring 26 drives the rotating ring 24 to rotate in the annular sliding grooves 30 of the two rotating ring rings 25, then the raising plates 29 which are annularly distributed in the rotating ring 24 rotate to raise the dates which slide on the raising plates 29, and each date is wrapped by the stable hot air which passes through the ventilation partition plate 23, so that the drying efficiency is greatly reduced.

Screening mechanism 5 includes sieve frame 32 and distribution bin 33, sieve frame 32 is the below that vertical state set up at workstation 1, the 36 slopes of face of sieve frame 32 set up, set up the rectangle passageway 38 along self length direction on the face 36 of sieve frame 32, blanking hole 37 by little big equidistance distribution is seted up to rectangle passageway 38's bottom, distribution bin 33 sets up under sieve frame 32, distribution bin 33 is cuboid hollow body structure and top end opening, the fixed spacer 39 that sets up the equidistance distribution in distribution bin 33 inboard bottom, distribution bin 33 keeps away from one side fixed ejection of compact handle 34 that is provided with of sieve frame 32 highest point, the highest point of rectangle passageway 38 is located the unloading through-hole under. The jujube dried from the drying cylinder 8 smoothly slides to the initial end of the rectangular channel 38 through the blanking channel 9, the screening frame 32 plate 36 is formed in a way that the obliquely arranged jujube rolls from top to bottom and falls into the separation grooves of the separation bins 33 of the corresponding different blanking holes 37 through the blanking holes 37 with different sizes, and the separation bins 33 are pulled out and transported away from the screening frame 32 through the discharging handles 34 after the jujube is filled in the separation bins 33.

The upper end of the drying cylinder 8 close to one side of the cleaning cylinder 11 is provided with an air vent 35 upwards, and an air flow channel is formed among the air vent 35, the drying cylinder 8, the heating cylinder 21 and the blower 20. The hot air introduced into the drying cylinder 8 is discharged from the vent 35 at the upper end after the completion of the work in the drying cylinder 8.

It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. A jujube cleaning and screening machine is characterized by comprising a workbench (1), a cleaning mechanism (2), a drying mechanism (3), a heating mechanism (4) and a screening mechanism (5), wherein the cleaning mechanism (2) is vertically and fixedly arranged on one side of the top of the workbench (1), the drying mechanism (3) is obliquely arranged in the middle of the top end of the workbench (1), the heating mechanism (4) is fixedly arranged on one side, far away from the cleaning mechanism (2), of the drying mechanism (3), the drying mechanism (3) comprises a turning mechanism (6), the turning mechanism (6) is fixedly arranged in the middle of the drying mechanism (3), the screening mechanism (5) is fixedly arranged at the bottom of the workbench (1), a blanking connecting pipe (7) is fixedly arranged at the bottom of the cleaning mechanism (2), the output end of the blanking connecting pipe (7) is communicated with the inside of the drying mechanism (3), the drying mechanism (3) comprises a drying cylinder (8), a blanking channel (9) is vertically arranged downwards at the bottom of the lower end of the drying cylinder (8), and the blanking channel (9) is positioned right above the starting end of the screening mechanism (5).

2. The jujube cleaning and screening machine according to claim 1, wherein the cleaning mechanism (2) comprises a feeding funnel (10), a cleaning drum (11), a spiral stirring paddle (12), an atomizing nozzle (13) and a servo motor (14), the cleaning drum (11) is vertically arranged on one side of the top end of the workbench (1), a feeding through hole is formed in the top end of the cleaning drum (11), a discharging connecting pipe (7) is arranged at the bottom end of the cleaning drum (11), the spiral stirring paddle (12) is vertically arranged inside the cleaning drum (11), the bottom end of the spiral stirring paddle (12) is fixedly arranged in the middle of the bottom end inside the cleaning drum (11) through a shaft seat (15), the atomizing nozzle (13) is horizontally and fixedly arranged on the side wall of the cleaning drum (11), the output end of the atomizing nozzle (13) points to the inside of the cleaning drum (11), the feeding funnel (10) is fixedly arranged at the top end of the cleaning drum (11), the bottom of material loading funnel (10) and feed through hole's top fixed connection, the top level of material loading funnel (10) is fixed and is provided with motor support (16), servo motor (14) are vertical state fixed mounting in the top center department of motor support (16), the vertical downwardly extending of output of servo motor (14), the top fixed connection of motor support (16) and spiral stirring rake (12) is passed to the output of servo motor (14).

3. The jujube cleaning and screening machine according to claim 2, wherein the cleaning mechanism (2) further comprises a water inlet pipe (17), one end of the water inlet pipe (17) close to the cleaning drum (11) is communicated with the atomizing nozzle (13), one end of the water inlet pipe (17) far away from the atomizing nozzle (13) is communicated with the water tank, a water valve (18) is fixedly arranged on the water inlet pipe (17), the atomizing nozzle (13), the water inlet pipe (17) and the water valve (18) are provided with a plurality of groups, and the groups of atomizing nozzle (13), the water inlet pipe (17) and the water valve (18) are annularly distributed on the side wall of the cleaning drum (11).

4. The jujube cleaning and screening machine according to claim 3, wherein the drying mechanism (3) further comprises a drying cylinder (8) and a cylinder frame (19), the drying cylinder (8) is obliquely and fixedly mounted on the cylinder frame (19), the higher end of the drying cylinder (8) is close to the cleaning cylinder (11), the output end of the blanking connecting pipe (7) is communicated with the inside of the drying cylinder (8), and the output end of the heating mechanism (4) is communicated with one end of the drying cylinder (8) far away from the cleaning cylinder (11).

5. The jujube cleaning and screening machine according to claim 1, wherein the heating mechanism (4) comprises an air blower (20) and a heating cylinder (21), the heating cylinder (21) is located at the top end of the workbench (1), the heating cylinder (21) is fixedly installed at one end, away from the cleaning mechanism (2), of the drying cylinder (8), a heating net (22) is fixedly installed on the bottom surface of the interior of the heating cylinder (21), a ventilation partition plate (23) is arranged on the side wall, close to the drying cylinder (8), of one end of the heating cylinder (21), the drying cylinder (8) is fixedly connected with the heating cylinder (21) through the ventilation partition plate (23), the air blower (20) is fixedly installed at the top end of the workbench (1), the air blower (20) is located at one end, away from the drying cylinder (8), of the heating cylinder (21), and the output end of the air blower (20) is communicated with the center of the side wall of the.

6. The jujube cleaning and screening machine as claimed in claim 4, wherein the lifting mechanism (6) comprises a rotating ring (24), two rotating ring rings (25), a gear ring (26), a driving gear (27), a driving motor (28) and a lifting plate (29), the middle of the drying cylinder (8) is interrupted, the two rotating ring rings (25) have the same structure and are fixedly sleeved at two ends of the interruption of the middle of the drying cylinder (8), an annular chute (30) is fixedly arranged at one end of the rotating ring rings (25) far away from the drying cylinder (8), the rotating ring (24) is movably arranged in the annular chutes (30) of the two rotating ring rings (25), the gear ring (26) is fixedly sleeved at the outer side of the rotating ring (24), a transverse plate (31) is fixedly arranged at one side of the cylinder frame (19), the driving motor (28) is horizontally and fixedly arranged at the top end of the transverse plate (31), and the output end of the driving motor extends towards the higher end of the drying cylinder (8), the driving gear (27) is fixedly arranged at the output end of the driving motor (28), the driving gear (27) is meshed with the gear ring (26), and the turning plates (29) are arranged on the inner side of the rotating ring (24) in a vertical annular distribution mode.

7. The jujube cleaning and screening machine according to claim 1, characterized in that the screening mechanism (5) comprises a screening frame (32) and a distribution bin (33), the screening frame (32) is arranged below the workbench (1) in a vertical state, a plate surface (36) of the screening frame (32) is obliquely arranged, a rectangular channel (38) along the length direction of the screening frame (32) is formed in the plate surface (36), blanking holes (37) distributed from small to large at equal intervals are formed in the bottom of the rectangular channel (38), the distribution bin (33) is arranged under the screening frame (32), the distribution bin (33) is of a hollow body structure and is provided with an opening in the top end, a partition plate (39) distributed at equal intervals is fixedly arranged at the bottom of the inner side of the distribution bin (33), a discharging handle (34) is fixedly arranged on one side, far away from the screening frame (32), and the highest position of the rectangular channel (38) is located under a blanking through hole.

8. The jujube cleaning and screening machine according to claim 5, wherein the upper end of the drying cylinder (8) near the side of the cleaning cylinder (11) is provided with an air vent (35) upwards, and an air flow channel is formed among the air vent (35), the drying cylinder (8), the heating cylinder (21) and the blower (20).