CN111387274B

CN111387274B - Fruit and vegetable drying machine room capable of drying uniformly

Info

Publication number: CN111387274B
Application number: CN202010328196.2A
Authority: CN
Inventors: 张炜
Original assignee: Anhui Ouruida Electrical Appliance Technology Co ltd
Current assignee: Anhui Ouruida Electrical Appliance Technology Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2022-11-22
Anticipated expiration: 2040-04-23
Also published as: CN111387274A

Abstract

The invention discloses a fruit and vegetable drying machine room capable of uniformly drying fruits and vegetables, wherein fruits and vegetables to be dried are poured into a screening box, a first rotating motor is driven to drive an eccentric wheel to rotate, the eccentric wheel pushes a second sliding block to slide in a reciprocating manner through a push rod, the second sliding block is buffered through a first sliding block compression spring, the sliding stability of equipment is ensured, the screening box is driven to move in a reciprocating manner through a mounting plate, and screening is carried out through a U-shaped screen, so that uniform fruits and vegetables can be conveniently obtained; open the chamber door, drive servo motor two, servo motor two drives three rotations of gear through rotation axis two, gear three is connected with rack toothing, and then drive U type screen cloth horizontal migration, the convenience is dismantled and is installed it, be convenient for change and maintain it, the fruit vegetables that leave after conveniently taking out the screening, be convenient for sieve the fruit vegetables of different grade type, and can the rotatory piece, drive the threaded rod and insert in the limiting plate, avoid servo motor two, gear three and rack damage, be not convenient for use.

Description

Fruit and vegetable drying machine room capable of drying uniformly

Technical Field

The invention relates to the technical field of fruit and vegetable drying, in particular to a fruit and vegetable drying machine room capable of uniformly drying fruits and vegetables.

Background

In agricultural production, various agricultural products such as traditional Chinese medicinal materials, vegetables, meat, melons and fruits and the like need to be aired and dried, but the common airing time is long, the number of times of tedding is large, so that adverse factors such as a production period is long, the labor cost is high and the like are caused, and the trawl stone becomes stumbling stone which restricts the development of agricultural industrialization; the heat energy used by the conventional drying equipment mainly comprises coal, fuel oil, fuel gas and biomass straws to generate hot air, the hot air flows through the radiating fins through the pipelines, then the air flow is generated by the fan, and the flowing air is heated by the radiating fins, blows to the objects to be dried and dries the objects to be dried.

The patent No. CN109210921A discloses an air can drying-machine, and this air can drying-machine makes its intensification through compressing the refrigerant to carry out the heat exchange with the air and dry the material with this, need not to use other chemical raw materials, when having improved drying efficiency, can not discharge harmful tail gas, safety, environmental protection, work efficiency is high. However, the apparatus has the following drawbacks: the fruit vegetables of treating the stoving not be convenient for sieve to the screen cloth is not convenient for install and dismantle, conveniently sieves the fruit vegetables of different grade type, and the in-process fruit vegetables of drying is heated inhomogeneous simultaneously.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide a fruit and vegetable drying machine room capable of uniformly drying fruits and vegetables, the fruit and vegetable to be dried are poured into a screening box, a first rotating motor is driven to drive an eccentric wheel to rotate, the eccentric wheel pushes a second sliding block to slide in a reciprocating manner through a push rod, the second sliding block is buffered through a first sliding block compression spring, the sliding stability of equipment is ensured, the screening box is driven to move in a reciprocating manner through a mounting plate, and screening is performed through a U-shaped screen, so that uniform fruits and vegetables can be conveniently obtained; the box door is opened, the servo motor II is driven, the servo motor II drives the gear III to rotate through the rotating shaft II, the gear III is meshed with the rack and is further connected with the U-shaped screen to drive the U-shaped screen to horizontally move, the U-shaped screen is convenient to disassemble and assemble, convenient to replace and maintain, convenient to take out fruits and vegetables left after screening, convenient to screen different types of fruits and vegetables, and capable of rotating the rotating block to drive the threaded rod to be inserted into the limiting plate, so that damage to the servo motor II, the gear III and the rack is avoided, and the box door is inconvenient to use;

according to the fruit and vegetable drying device, screened fruits and vegetables fall into the discharge hopper, buffering can be carried out through the arrangement of the spring, the fruits and vegetables are prevented from being damaged, the first servo motor is driven, the first servo motor drives the sealing plate to rotate, the sealing plate is driven to rotate and then is in rotating fit with the U-shaped placing plate, the fruits and vegetables can be placed on the U-shaped placing plate one by one conveniently, subsequent drying is facilitated, meanwhile, the second rotary motor is driven, the first rotary motor drives the first rotary shaft to rotate, the first rotary shaft drives the first gear to rotate, the second gear drives the second gear to rotate through the transmission chain, the second gear drives the transmission shaft to rotate, the transmission shaft drives the rotary impeller to rotate, the rotary impeller drives the rotary chain to rotate, the rotary chain drives the U-shaped placing plate to rotate, and the U-shaped placing plate is fully placed with the fruits and vegetables; continue the drive U type and place the board and rotate to start the heater and heat, the fruit vegetables of drying, open the sealing door at last and place the U type and place the fruit vegetables after drying on the board and take off, place the board through driving the U type and rotate, make the fruit vegetables be heated evenly, be convenient for dry, place the board through the U type simultaneously and rotate, can accelerate inside air flow, the heating is faster, place the board through the U type and rotate, be convenient for take out the U type one by one and place the fruit vegetables on the board, convenient operation uses.

The purpose of the invention can be realized by the following technical scheme:

a fruit and vegetable drying machine room capable of uniformly drying fruits and vegetables comprises a drying box, a cross beam and a heater, wherein supports are vertically arranged at four corners of the bottom of the cross beam, the drying box is fixedly arranged at the center of the bottom of the cross beam, two racks are vertically and parallelly arranged on the inner wall of the bottom of the drying box, a first rotating shaft is connected between the two racks through a bearing, a first gear is sleeved on the first rotating shaft, the first gear is connected with a second gear through a transmission chain, the second gear is sleeved on a transmission shaft, the transmission shaft is arranged on the two racks through the bearing and is parallel to the first rotating shaft, and rotating impellers are sleeved at two ends of the transmission shaft; the inner sides of the two racks are respectively provided with a slideway II and a slideway I, an annular slideway is formed between the slideway I and the slideway II, a rotating chain is connected between the annular slideways in a sliding manner, guide wheels are respectively arranged on two sides of the rotating chain, the guide wheel on one side is matched with the annular slideway, the guide wheel on the other side is matched with a rotating impeller, the rotating chain is further provided with a triangular plate, the triangular plates on the two racks are connected through a connecting rod, the connecting rod is symmetrically provided with two U-shaped rods, the bottoms of the two U-shaped rods are movably provided with a supporting plate, the top of the supporting plate is connected with a U-shaped placing plate through a spring II, and the two racks are further fixedly provided with a plurality of reinforcing rods; and a second rotating motor is fixedly mounted on one side of the drying box, an output shaft of the second rotating motor extends into the drying box and is connected with the first rotating shaft, and a heater is fixedly mounted on the other side of the drying box.

As a further scheme of the invention: the crossbeam is well style of calligraphy structure, the top one end fixed mounting of crossbeam has rotating electrical machines one, fixed mounting has the eccentric wheel on the output shaft of rotating electrical machines one, and the eccentric wheel passes through push rod and two swing joint of slider, two one side fixed mounting of slider have slider one, the other end horizontal mounting of slider one has the guide bar, the guide bar runs through a curb plate, has cup jointed spring one on the guide bar between curb plate and the slider one, two blocks of curb plates are installed to slider two and the non-adjacent side symmetry of slider one, the bottom and the crossbeam sliding connection of slider two and slider one, the top fixed mounting of slider two and slider one has the mounting panel, mounting panel and curb plate sliding connection, the top fixed mounting of mounting panel has the screening case.

As a further scheme of the invention: one side hinged joint of screening case has the chamber door, the bilateral symmetry fixed mounting of screening case has servo motor two, servo motor two's output shaft is connected with rotation axis two, rotation axis two extends to the screening incasement, just fixed mounting has gear three on the rotation axis two, the inner wall both sides sliding connection of screening case has U type screen cloth, the equal fixed mounting in top both sides of U type screen cloth has the rack, the rack is connected with the meshing of gear three.

As a further scheme of the invention: the top one end of U type screen cloth is fixed mounting still has the limiting plate, the both sides of screening case set up threaded hole, during the threaded rod runs through the screw hole and inserts the limiting plate, just the one end fixed mounting of threaded rod has rotatory piece.

As a further scheme of the invention: the fixed hinged joint in one side of stoving case has the sealing door, the top center department embedding of stoving case is installed and is arranged the material funnel, the equal swing joint in inner wall both sides of arranging the material funnel has the swash plate, the swash plate slope sets up, the center department of swash plate is through spring three and arrange the inner wall connection of material funnel.

As a further scheme of the invention: one side fixed mounting of stoving case has servo motor one, servo motor one's output shaft extends to the stoving incasement and is connected with the closing plate, the closing plate is located the bottom of arranging the material funnel, and the one end of closing plate is connected with arranging the material funnel rotation.

As a further scheme of the invention: the fruit and vegetable drying machine room comprises the following working steps:

step one, pouring fruits and vegetables to be dried into a screening box, driving a first rotating motor to drive an eccentric wheel to rotate, pushing a second sliding block to slide in a reciprocating mode through a push rod by the eccentric wheel, further driving the screening box to move in a reciprocating mode through a mounting plate, and screening through a U-shaped screen; the screened fruits and vegetables fall into a discharge funnel;

step two, driving a servo motor I, wherein the servo motor I drives a sealing plate to rotate and simultaneously drives a rotary motor II, the rotary motor II drives a rotary shaft I to rotate, the rotary shaft drives a gear I to rotate, the gear I drives a gear II to rotate through a transmission chain, the gear II drives a transmission shaft to rotate, the transmission shaft drives a rotary impeller to rotate, the rotary impeller drives a rotary chain to rotate, the rotary chain drives a U-shaped placing plate to rotate, and then the U-shaped placing plate is fully filled with fruits and vegetables;

and step three, continuing to drive the U-shaped placing plate to rotate, starting the heater to heat, drying the fruits and vegetables, and finally taking down the dried fruits and vegetables on the U-shaped placing plate.

The invention has the beneficial effects that: pouring fruits and vegetables to be dried into the screening box, driving the first rotating motor to drive the eccentric wheel to rotate, pushing the second sliding block to slide in a reciprocating mode through the push rod by the eccentric wheel, buffering the second sliding block through the first sliding block compression spring to ensure the sliding stability of the equipment, further driving the screening box to move in a reciprocating mode through the mounting plate, and screening through the U-shaped screen, so that uniform fruits and vegetables can be obtained conveniently; the box door is opened, the servo motor II is driven, the servo motor II drives the gear III to rotate through the rotating shaft II, the gear III is meshed with the rack and is connected with the rack, the U-shaped screen is further driven to move horizontally, the U-shaped screen is convenient to detach and mount, convenient to replace and maintain, convenient to take out fruits and vegetables left after screening, convenient to screen different types of fruits and vegetables, the rotating block can be rotated, the threaded rod is driven to be inserted into the limiting plate, the servo motor II, the gear III and the rack are prevented from being damaged, and the box door is inconvenient to use;

the screened fruits and vegetables fall into a discharge hopper, buffering can be carried out through the arrangement of a spring, the fruits and vegetables are prevented from being damaged, a first servo motor is driven, a first servo motor drives a sealing plate to rotate, the sealing plate is driven to rotate and then is in rotating fit with a U-shaped placing plate, the fruits and vegetables can be conveniently placed on the U-shaped placing plate one by one, subsequent drying is facilitated, a second rotary motor is driven simultaneously, a first rotary shaft is driven to rotate by the second rotary motor, the first rotary shaft drives a first gear to rotate, the first gear drives a second gear to rotate through a transmission chain, the second gear drives a transmission shaft to rotate, the transmission shaft drives a rotary impeller to rotate, the rotary impeller drives a rotary chain to rotate, the rotary chain drives the U-shaped placing plate to rotate, and the U-shaped placing plate is fully filled with the fruits and vegetables; continue the drive U type and place the board and rotate to start the heater and heat, the fruit vegetables of drying, open the sealing door at last and place the U type and place the fruit vegetables after drying on the board and take off, place the board through driving the U type and rotate, make the fruit vegetables be heated evenly, be convenient for dry, place the board through the U type simultaneously and rotate, can accelerate inside air flow, the heating is faster, place the board through the U type and rotate, be convenient for take out the U type one by one and place the fruit vegetables on the board, convenient operation uses.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of a dryer room according to the present invention;

FIG. 2 is a schematic view of the internal structure of the drying box of the present invention;

FIG. 3 is a schematic view of the overall structure of the frame of the present invention;

FIG. 4 is a schematic view of the transmission structure of the frame of the present invention;

FIG. 5 is a front view of the support plate of the present invention;

figure 6 is a schematic view of the overall construction of the screening box of the present invention.

In the figure: 1. a drying box; 2. a cross beam; 3. a support; 4. a heater; 5. a first spring; 6. a guide rod; 7. screening the box; 8. mounting a plate; 9. a first sliding block; 10. a second sliding block; 11. a side plate; 12. a first rotating motor; 13. a frame; 14. a guide wheel; 15. a set square; 16. a connecting rod; 17. a U-shaped rod; 18. a first slideway; 19. a U-shaped placing plate; 20. a second slideway; 21. rotating the chain; 22. a first gear; 23. a drive chain; 24. rotating the impeller; 25. a second gear; 26. a drive shaft; 27. a first rotating shaft; 28. a reinforcing rod; 29. a support plate; 30. a second spring; 31. a first servo motor; 32. a third spring; 33. a sloping plate; 34. sealing plates; 35. a discharge hopper; 36. a second rotating motor; 37. a servo motor II; 38. a second rotating shaft; 39. a third gear; 40. a rack; 41. a threaded hole; 42. a threaded rod; 43. a limiting plate; 44. rotating the block; 45. a box door; 46. a U-shaped screen.

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. 1-6, a fruit and vegetable drying machine room for uniform drying comprises a drying box 1, a cross beam 2 and a heater 4, wherein supports 3 are vertically mounted at four corners of the bottom of the cross beam 2, the drying box 1 is fixedly mounted at the center of the bottom of the cross beam 2, two racks 13 are vertically and parallelly mounted on the inner wall of the bottom of the drying box 1, a first rotating shaft 27 is connected between the two racks 13 through a bearing, a first gear 22 is sleeved on the first rotating shaft 27, the first gear 22 is connected with a second gear 25 through a transmission chain 23, the second gear 25 is sleeved on a transmission shaft 26, the transmission shaft 26 is mounted on the two racks 13 through a bearing, the transmission shaft 26 is parallel to the first rotating shaft 27, and rotary impellers 24 are sleeved on two ends of the transmission shaft 26; the inner sides of the two racks 13 are respectively provided with a second slideway 20 and a first slideway 18, an annular slideway is formed between the first slideway 18 and the second slideway 20, a rotary chain 21 is connected between the annular slideways in a sliding manner, guide wheels 14 are respectively arranged on two sides of the rotary chain 21, the guide wheel 14 on one side is matched with the annular slideway, the guide wheel 14 on the other side is matched with a rotary impeller 24, the rotary chain 21 is further provided with a triangular plate 15, the triangular plates 15 on the two racks 13 are connected through a connecting rod 16, the connecting rod 16 is symmetrically provided with two U-shaped rods 17, the bottoms of the two U-shaped rods 17 are movably provided with a supporting plate 29, the top of the supporting plate 29 is connected with a U-shaped placing plate 19 through a second spring 30, the impact force of fruits and vegetables falling can be reduced through the arrangement of the second spring 30, the fruits and vegetables are prevented from being damaged, the two racks 13 are further fixedly provided with a plurality of reinforcing rods 28, and the strength of the equipment is increased; one side of the drying box 1 is fixedly provided with a second rotating motor 36, an output shaft of the second rotating motor 36 extends into the drying box 1 and is connected with the first rotating shaft 27, and the other side of the drying box 1 is fixedly provided with a heater 4.

Crossbeam 2 is well style of calligraphy structure, the top one end fixed mounting of crossbeam 2 has a rotating electrical machines 12, fixed mounting has the eccentric wheel on the output shaft of rotating electrical machines 12, and the eccentric wheel passes through push rod and two 10 swing joint of slider, two 10 one sides fixed mounting of slider 9, the other end horizontal mounting of slider 9 has guide bar 6, guide bar 6 runs through a curb plate 11, has cup jointed spring 5 on the guide bar 6 between curb plate 11 and the slider 9, two blocks of curb plates 11 are installed to the non-adjacent one side symmetry of slider two 10 and slider 9, the bottom and the crossbeam 2 sliding connection of slider two 10 and slider 9, the top fixed mounting of slider two 10 and slider 9 has mounting panel 8, mounting panel 8 and curb plate 11 sliding connection, the top fixed mounting of mounting panel 8 has screening case 7.

One side hinged joint of screening case 7 has chamber door 45, the bilateral symmetry fixed mounting of screening case 7 has servo motor two 37, servo motor two 37's output shaft and two 38 of rotation axis are connected, two 38 of rotation axes extend to in the screening case 7, just fixed mounting has three 39 of gears on two 38 of rotation axes, the inner wall both sides sliding connection of screening case 7 has U type screen cloth 46, the equal fixed mounting in top both sides of U type screen cloth 46 has rack 40, rack 40 is connected with three 39 meshing of gears.

The top one end of U type screen cloth 46 still fixed mounting have a limiting plate 43, screw hole 41 is seted up to the both sides of screening case 7, and threaded rod 42 runs through screw hole 41 and inserts in the limiting plate 43, just the one end fixed mounting of threaded rod 42 has rotatory piece 44.

The fixed hinged joint in one side of stoving case 1 has sealing door, the top center department embedding of stoving case 1 installs row material funnel 35, the equal swing joint in inner wall both sides of arranging material funnel 35 has swash plate 33, swash plate 33 slope sets up, swash plate 33 is the angle setting of 30-60 degrees with row material funnel 35, the center department of swash plate 33 is through three 32 and row material funnel 35's interior wall connection of spring.

One side fixed mounting of stoving case 1 has a servo motor 31, the output shaft of servo motor 31 extends to and is connected with closing plate 34 in the stoving case 1, closing plate 34 is located the bottom of arranging material funnel 35, and the one end of closing plate 34 is connected with row material funnel 35 rotation.

The fruit and vegetable drying machine room comprises the following working steps:

step one, pouring fruits and vegetables to be dried into a screening box 7, driving a first rotating motor 12 to drive an eccentric wheel to rotate, pushing a second sliding block 10 to slide back and forth through a push rod by the eccentric wheel, further driving the screening box 7 to reciprocate through a mounting plate 8, and screening through a U-shaped screen 46; the sieved fruits and vegetables fall into a discharge hopper 35;

step two, driving a first servo motor 31, wherein the first servo motor 31 drives a sealing plate 34 to rotate, and simultaneously driving a second rotary motor 36, the second rotary motor 36 drives a first rotary shaft 27 to rotate, the first rotary shaft 27 drives a first gear 22 to rotate, the first gear 22 drives a second gear 25 to rotate through a transmission chain 23, the second gear 25 drives a transmission shaft 26 to rotate, the transmission shaft 26 drives a rotary impeller 24 to rotate, the rotary impeller 24 drives a rotary chain 21 to rotate, the rotary chain 21 drives a U-shaped placing plate 19 to rotate, and then the U-shaped placing plate 19 is fully filled with fruits and vegetables;

and step three, continuing to drive the U-shaped placing plate 19 to rotate, starting the heater 4 to heat, drying the fruits and vegetables, and finally taking down the dried fruits and vegetables on the U-shaped placing plate 19.

The working principle of the invention is as follows: pouring fruits and vegetables to be dried into the screening box 7, driving the first rotating motor 12 to drive the eccentric wheel to rotate, pushing the second sliding block 10 to slide back and forth through the push rod by the eccentric wheel, buffering the second sliding block 10 through the first sliding block 9 and the first compression spring 5 to ensure the sliding stability of the equipment, further driving the screening box 7 to move back and forth through the mounting plate 8, and screening through the U-shaped screen 46 to obtain uniform fruits and vegetables; the box door 45 is opened, the servo motor II 37 is driven, the servo motor II 37 drives the gear III 39 to rotate through the rotating shaft II 38, the gear III 39 is meshed with the rack 40 to be connected, the U-shaped screen mesh 46 is further driven to move horizontally, the disassembly and the assembly of the U-shaped screen mesh are facilitated, the replacement and the maintenance of the U-shaped screen mesh are facilitated, fruits and vegetables left after screening are conveniently taken out, screening of fruits and vegetables of different types is facilitated, the rotating block 44 can be rotated, the threaded rod 42 is driven to be inserted into the limiting plate 43, and the servo motor II 37, the gear III 39 and the rack 40 are prevented from being damaged and are inconvenient to use;

the sieved fruits and vegetables fall into a discharge hopper 35, buffering can be carried out through the arrangement of a spring 32, the fruits and vegetables are prevented from being damaged, a first servo motor 31 is driven, the first servo motor 31 drives a sealing plate 34 to rotate, a second rotary motor 36 is driven at the same time, the second rotary motor 36 drives a first rotary shaft 27 to rotate, the first rotary shaft 27 drives a first gear 22 to rotate, the first gear 22 drives a second gear 25 to rotate through a transmission chain 23, the second gear 25 drives a transmission shaft 26 to rotate, the transmission shaft 26 drives a rotary impeller 24 to rotate, the rotary impeller 24 drives a rotary chain 21 to rotate, the rotary chain 21 drives a U-shaped placing plate 19 to rotate, and the U-shaped placing plate 19 is fully placed with the fruits and vegetables; continue to drive the U type and place board 19 and rotate, and start heater 4 heats, the fruit vegetables of drying, open sealing door at last and place the U type and place the board 19 on the fruit vegetables after drying and take off, place board 19 through driving the U type and rotate, make the fruit vegetables be heated evenly, be convenient for dry, place board 19 through the U type simultaneously and rotate, can accelerate inside air flow, the heating is quicker, place board 19 through the U type and rotate, be convenient for take out the U type one by one and place the fruit vegetables on the board 19, convenient operation and use.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.

Claims

1. The fruit and vegetable drying machine room capable of uniformly drying is characterized by comprising a drying box (1), a cross beam (2) and a heater (4), wherein supports (3) are vertically arranged at four corners of the bottom of the cross beam (2), the drying box (1) is fixedly arranged at the center of the bottom of the cross beam (2), two racks (13) are vertically and parallelly arranged on the inner wall of the bottom of the drying box (1), a first rotating shaft (27) is connected between the two racks (13) through a bearing, a first gear (22) is sleeved on the first rotating shaft (27), the first gear (22) is connected with a second gear (25) through a transmission chain (23), the second gear (25) is sleeved on a transmission shaft (26), the transmission shaft (26) is arranged on the two racks (13) through a bearing, the transmission shaft (26) is arranged in parallel with the first rotating shaft (27), and rotary impellers (24) are sleeved on two ends of the transmission shaft (26); the inner sides of the two racks (13) are respectively provided with a second slideway (20) and a first slideway (18), an annular slideway is formed between the first slideway (18) and the second slideway (20), a rotary chain (21) is connected between the annular slideways in a sliding manner, guide wheels (14) are respectively arranged on two sides of the rotary chain (21), the guide wheel (14) on one side is matched with the annular slideway, the guide wheel (14) on the other side is matched with a rotary impeller (24), the rotary chain (21) is further provided with a triangular plate (15), the triangular plates (15) on the two racks (13) are connected through a connecting rod (16), the connecting rod (16) is symmetrically provided with two U-shaped rods (17), the bottoms of the two U-shaped rods (17) are movably provided with supporting plates (29), the tops of the supporting plates (29) are connected with U-shaped placing plates (19) through second springs (30), and the two racks (13) are further fixedly provided with a plurality of reinforcing rods (28); a second rotating motor (36) is fixedly mounted on one side of the drying box (1), an output shaft of the second rotating motor (36) extends into the drying box (1) and is connected with the first rotating shaft (27), and a heater (4) is fixedly mounted on the other side of the drying box (1);

the cross beam (2) is of a cross-shaped structure, one end of the top of the cross beam (2) is fixedly provided with a first rotating motor (12), an output shaft of the first rotating motor (12) is fixedly provided with an eccentric wheel, the eccentric wheel is movably connected with a second sliding block (10) through a push rod, one side of the second sliding block (10) is fixedly provided with a first sliding block (9), the other end of the first sliding block (9) is horizontally provided with a guide rod (6), the guide rod (6) penetrates through a side plate (11), a first spring (5) is sleeved on the guide rod (6) between the side plate (11) and the first sliding block (9), two side plates (11) are symmetrically arranged on the non-adjacent sides of the second sliding block (10) and the first sliding block (9), the bottoms of the second sliding block (10) and the first sliding block (9) are slidably connected with the cross beam (2), the tops of the second sliding block (10) and the first sliding block (9) are fixedly provided with mounting plates (8), the mounting plates (8) are slidably connected with the side plates (11), and the top of the mounting plates (8) is fixedly provided with a screening box (7);

a box door (45) is hinged to one side of the screening box (7), two servo motors II (37) are symmetrically and fixedly mounted on two sides of the screening box (7), an output shaft of each servo motor II (37) is connected with a rotating shaft II (38), each rotating shaft II (38) extends into the screening box (7), a gear III (39) is fixedly mounted on each rotating shaft II (38), two sides of the inner wall of the screening box (7) are slidably connected with a U-shaped screen (46), two sides of the top of each U-shaped screen (46) are fixedly mounted with racks (40), and the racks (40) are meshed with the gear III (39);

a limiting plate (43) is fixedly mounted at one end of the top of the U-shaped screen (46), threaded holes (41) are formed in two sides of the screening box (7), a threaded rod (42) penetrates through the threaded holes (41) and is inserted into the limiting plate (43), and a rotating block (44) is fixedly mounted at one end of the threaded rod (42);

a sealing door is fixedly hinged to one side of the drying box (1), a discharging hopper (35) is embedded in the center of the top of the drying box (1), inclined plates (33) are movably connected to two sides of the inner wall of the discharging hopper (35), the inclined plates (33) are obliquely arranged, and the center of each inclined plate (33) is connected with the inner wall of the discharging hopper (35) through a third spring (32);

one side fixed mounting of stoving case (1) has servo motor (31), the output shaft of servo motor (31) extends to and is connected with closing plate (34) in stoving case (1), closing plate (34) are located the bottom of arranging material funnel (35), and the one end of closing plate (34) is connected with row material funnel (35) rotation.

2. The even-drying fruit and vegetable drying machine room according to claim 1, characterized in that the working steps of the fruit and vegetable drying machine room are as follows:

pouring fruits and vegetables to be dried into a screening box (7), driving a rotating motor I (12) to drive an eccentric wheel to rotate, pushing a sliding block II (10) to slide back and forth through a push rod by the eccentric wheel, further driving the screening box (7) to move back and forth through a mounting plate (8), and screening through a U-shaped screen (46); the sieved fruits and vegetables fall into a discharge hopper (35);

step two, a servo motor I (31) is driven, the servo motor I (31) drives a sealing plate (34) to rotate, meanwhile, a rotary motor II (36) is driven, the rotary motor II (36) drives a rotary shaft I (27) to rotate, the rotary shaft I (27) drives a gear I (22) to rotate, the gear I (22) drives a gear II (25) to rotate through a transmission chain (23), the gear II (25) drives a transmission shaft (26) to rotate, the transmission shaft (26) drives a rotary impeller (24) to rotate, the rotary impeller (24) drives a rotary chain (21) to rotate, the rotary chain (21) drives a U-shaped placing plate (19) to rotate, and then the U-shaped placing plate (19) is fully filled with fruits and vegetables;

and step three, continuing to drive the U-shaped placing plate (19) to rotate, starting the heater (4) to heat, drying the fruits and vegetables, and finally taking down the dried fruits and vegetables on the U-shaped placing plate (19).