CN115854674A

CN115854674A - Hot air drying equipment for dehydrated vegetables and using method thereof

Info

Publication number: CN115854674A
Application number: CN202211714765.2A
Authority: CN
Inventors: 裴源福; 裴源瑶; 周有雄; 丁威铭; 马玉山
Original assignee: Gansu Wandefu Food Technology Co ltd
Current assignee: Gansu Wandefu Food Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-03-28

Abstract

The invention belongs to the technical field of dehydrated vegetable drying, in particular to hot air drying equipment for dehydrated vegetables and a using method thereof, aiming at the problems that vegetables in the existing box are still and can not be turned over, the vegetables at the inner position of the box are difficult to dry, the drying degrees of the vegetables at different areas are inconsistent, and the quality of the dehydrated vegetables is reduced, the following scheme is proposed, and the hot air drying equipment comprises a drying box body; the drying box comprises a plurality of placing boxes, a fixing frame is connected in the drying box in a sliding manner, a plurality of corresponding U-shaped limiting frames are fixedly connected to two sides in the fixing frame, the placing boxes are connected in the two corresponding U-shaped limiting frames in a sliding manner and used for containing vegetables to be dehydrated, and gaps for ventilation are formed in the placing boxes; the second recess, the diapire in the drying box is seted up to the second recess, is equipped with at least a set of stoving subassembly in the second recess for it is more even to dry, has guaranteed to place the interior vegetables oven-dry mass's of box unanimity.

Description

Hot air drying equipment for dehydrated vegetables and using method thereof

Technical Field

The invention relates to the technical field of dehydrated vegetable drying, in particular to hot air drying equipment for dehydrated vegetables and a using method thereof.

Background

The dehydrated vegetable is also called rehydrated vegetable, which is a dried vegetable prepared by processing and manufacturing fresh vegetables through washing, drying and the like and removing most of water in the vegetables, the original color and the original nutritional ingredients of the vegetables are basically kept unchanged, the dehydrated vegetable is easy to store and transport, the bland and vigorous season of vegetable production can be effectively adjusted, the dehydrated vegetable can be restored by only immersing the dehydrated vegetable in clear water when being eaten, and the original color, the original nutrition and the original flavor of the vegetables are kept.

Among the prior art dehydrated vegetable need be dried after washing, among the drying equipment among the prior art, need to be about to carry out the vegetables of dehydration and lay the box back in placing, place and get into in the drying-machine, but because every layer only can place a small amount of vegetables in placing the box, work efficiency is lower, too much place because place the box of placing in the drying-machine and be in quiescent condition, vegetables also keep static unable the turning in the box, can lead to placing the box and lean on the vegetables of internal position to be difficult to by the stoving, lead to the vegetables stoving degree inconsistent of different regional positions, the quality of dehydrated vegetable has been reduced.

In order to solve the problems, the invention provides hot air drying equipment for dehydrated vegetables and a using method thereof.

Disclosure of Invention

The invention provides hot air drying equipment for dehydrated vegetables and a using method thereof, and overcomes the defects that vegetables in a box are still and cannot be turned over, the vegetables at the position close to the inner part of the box are difficult to dry, the drying degrees of the vegetables at different areas are inconsistent, and the quality of the dehydrated vegetables is reduced in the prior art.

The invention provides the following technical scheme:

a hot air drying device for dehydrated vegetables comprises a drying box body; the drying box comprises a plurality of placing boxes, wherein a fixing frame is connected in the drying box body in a sliding manner, a plurality of corresponding U-shaped limiting frames are fixedly connected on two sides in the fixing frame, the placing boxes are connected in the two corresponding U-shaped limiting frames in a sliding manner and used for containing vegetables to be dehydrated, and gaps for ventilation are formed in the placing boxes; the second groove is formed in the bottom wall in the drying box body, at least one group of drying assemblies are arranged in the second groove, and the drying assemblies are used for dehydrating and drying vegetables in the placing box; the dehumidifying fan is arranged at the top end of the drying box body and is used for discharging water vapor out of the drying box body; the two groups of reciprocating mechanisms are respectively arranged in the drying box body and are used for turning the vegetables in the placing box in a jolting way; and the connecting mechanism is arranged in the second groove and is used for synchronously driving the two sets of reciprocating mechanisms to synchronously move, and the connecting mechanism is driven by the drying assembly.

In a possible design, every group stoving mechanism all includes the mounting bracket of fixed connection in the second recess, fixedly connected with resistance heating element in the mounting bracket, second recess internal rotation is connected with third pivot and two fourth pivots, the equal fixedly connected with synchronizing wheel in circumference surface of third pivot and two fourth pivots, it is three the equal transmission in circumference surface of synchronizing wheel is connected with the hold-in range, two the equal fixedly connected with flabellum in circumference surface of fourth pivot, the circumference surface fixedly connected with second bevel gear of third pivot, second recess internal rotation is connected with the second pivot, the first conical gear of circumference surface fixedly connected with of second pivot, first conical gear and second bevel gear mesh mutually, the side fixedly connected with driving motor of the box of drying, driving motor is connected through shaft coupling and second pivot.

In a possible design, every group reciprocating mechanism is all including seting up the first recess in the drying box, sliding connection has half tooth ring gear in the first recess, be equipped with half tooth gear in the first recess, half tooth ring gear and half tooth gear intermittent type meshing, the top fixedly connected with connecting rod of half tooth ring gear, connecting rod fixed connection is in the bottom of mount.

In a possible design, coupling mechanism is including rotating the first pivot of connecting in the second recess, the circumference fixed surface of first pivot is connected with the worm wheel, the circumference fixed surface of second pivot is connected with the worm, worm and worm wheel mesh mutually, the both ends of first pivot are run through to two first recesses, two to both sides activity respectively half-tooth gear respectively fixed connection in the both sides of first pivot circumference surface.

In a possible design, two spouts, two have been seted up to the diapire in the drying box equal roll connection has two pulleys, four in the spout pulley fixed connection is in the four corners department of mount bottom respectively.

In a possible design, two first plug holes are formed in the U-shaped limiting frames, second plug holes are formed in the two ends of the placing box, the two first plug holes are respectively matched with the two second plug holes, and bolts are inserted into the first plug holes and the two corresponding second plug holes.

In a possible design, the four corners of the bottom end of the drying box body are fixedly connected with brake universal wheels.

The use method of the hot air drying equipment for the dehydrated vegetables comprises the following steps:

s1, placing vegetables: after the vegetables to be dried are placed in the placing box, inserting two ends of the placing box into the U-shaped limiting frames corresponding to the two sides respectively, and inserting the bolt when the two second inserting holes in the placing box correspond to the first inserting holes in the two U-shaped limiting frames respectively to complete the position fixing of the placing box;

s2, drying vegetables: after a plurality of groups of placing boxes are placed, a door of the drying box body is closed, air in the drying box body is heated by starting a resistance heating element, a driving motor is started to drive a second rotating shaft to rotate, the second rotating shaft rotates to drive a first bevel gear to rotate, the first bevel gear rotates to drive a second bevel gear to rotate, the second bevel gear rotates to drive a third rotating shaft to rotate, the third rotating shaft rotates to drive one of synchronizing wheels to rotate, one synchronizing wheel rotates to drive the other two synchronizing wheels to rotate through a synchronizing belt, the two synchronizing wheels drive two fourth rotating shafts to rotate, the fourth rotating shafts rotate to drive fan blades to rotate, the fan blades rotate to exhaust air, the air heated by the resistance heating element is blown towards the upper side, hot air upwards permeates through gaps formed in the placing boxes, moisture in vegetables in the drying box body is dried, the moisture in the vegetables is heated and gasified into steam, the steam is light due to heat, the buoyancy of cold air is larger than that of the cold air, the cold air and accordingly the steam can go upwards, a dehumidifying fan arranged on the upper side of the drying box body is used for extracting the steam out of the drying box body from the drying box body, so that the moisture in the drying box body, the drying box body is dried, the drying box body, the drying environment is dried more dry, and the drying efficiency is accelerated;

s3, reciprocating and jolting: the semi-toothed gear can drive the semi-toothed ring to do reciprocating linear motion in the first groove through rotation of the semi-toothed gear, the semi-toothed ring drives the connecting rod to do reciprocating linear motion, the connecting rod is fixed at the bottom end of the fixing frame and drives the fixing frame to do reciprocating linear motion in the drying box body, the placing box fixed in the fixing frame synchronously does reciprocating linear motion, when the placing box does reciprocating linear motion, vegetables in the placing box are not fixed in position, the placing box can be overturned in a tossing mode when the placing box does reciprocating linear motion, the position of the placing box is changed, and drying is more uniform;

s4, synchronous driving: the worm is driven to rotate through rotation of the second rotating shaft, the worm rotates to drive the worm wheel to rotate, the worm wheel rotates to drive the first rotating shaft to rotate, and the first rotating shaft rotates to drive the half-tooth gears on the two sides to synchronously rotate.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

According to the vegetable drying box, the semi-toothed ring can be driven to do reciprocating linear motion in the first groove through rotation of the semi-toothed gear, the connecting rod is driven to do reciprocating linear motion through the semi-toothed ring, the connecting rod is fixed at the bottom end of the fixing frame, the connecting rod drives the fixing frame to do reciprocating linear motion in the drying box body, the placing box fixed in the fixing frame synchronously does reciprocating linear motion, and when the placing box does reciprocating linear motion, vegetables in the placing box are not fixed in position, and the placing box can be overturned when doing reciprocating linear motion;

according to the invention, after a plurality of groups of placing boxes are placed, a door of a drying box body is closed, air in the drying box body is heated by starting a resistance heating element, a driving motor is started to drive a second rotating shaft to rotate, the second rotating shaft rotates to drive a first bevel gear to rotate, the first bevel gear rotates to drive a second bevel gear to rotate, the second bevel gear rotates to drive a third rotating shaft to rotate, the third rotating shaft rotates to drive one of synchronizing wheels to rotate, one synchronizing wheel rotates to drive the other two synchronizing wheels to rotate through a synchronizing belt, the two synchronizing wheels drive two fourth rotating shafts to rotate, the fourth rotating shafts rotate to drive fan blades to rotate, the fan blades rotate to exhaust air, the air heated by the resistance heating element is blown upwards, hot air upwards permeates through gaps formed in the placing boxes, and the moisture of vegetables in the placing boxes is dried to be dehydrated;

according to the vegetable drying device, the drying assembly is arranged at the bottom of the drying box body, hot air is distributed from bottom to top, the hot air dries moisture in vegetables, the moisture is heated into vapor, the vapor is light because of heat and larger in buoyancy force of cold air than gravity, so that the vapor can move upwards, the vapor is pumped out of the drying box body through the dehumidifying fan arranged on the upper side of the drying box body, the environment in the drying box body is drier, the drying efficiency is accelerated, meanwhile, the connecting mechanism is used for driving the two sets of reciprocating mechanisms to move, the vegetables placed in the placing box are overturned, the positions of the vegetables in the placing box are changed, the drying is more uniform, and the consistency of the drying quality of the vegetables in the placing box is guaranteed.

Drawings

Fig. 1 is a front perspective view of a hot air drying apparatus for dehydrated vegetables and a method for using the same according to an embodiment of the present invention;

FIG. 2 is a first partial cross-sectional view of a hot air drying apparatus for dehydrated vegetables and a method of using the same according to an embodiment of the present invention;

FIG. 3 is a second partial sectional view of a hot air drying apparatus for dehydrated vegetables and a method for using the same according to an embodiment of the present invention;

FIG. 4 is a third partial sectional view of a hot air drying apparatus for dehydrated vegetables and a method for using the same according to an embodiment of the present invention;

FIG. 5 is a first partial perspective view of a hot air drying apparatus for dehydrated vegetables and a method of using the same according to an embodiment of the present invention;

FIG. 6 is a second partial perspective view of a hot air drying apparatus for dehydrated vegetables and a method for using the same according to an embodiment of the present invention;

FIG. 7 is a third partial perspective view of a hot air drying apparatus for dehydrated vegetables and a method for using the same according to an embodiment of the present invention;

fig. 8 is a partial exploded view of a hot air drying apparatus for dehydrated vegetables and a method for using the same according to an embodiment of the present invention.

Reference numerals:

1. drying the box body; 2. a fixed mount; 3. a moisture extraction fan; 4. a first groove; 5. a half-toothed ring; 6. a half-tooth gear; 7. a first rotating shaft; 8. a connecting rod; 9. braking the universal wheel; 10. a drive motor; 11. a chute; 12. a pulley; 13. a second groove; 14. a mounting frame; 15. a resistive heating element; 16. a second rotating shaft; 17. a worm; 19. a worm gear; 20. a first bevel gear; 21. a second bevel gear; 22. a third rotating shaft; 23. a synchronizing wheel; 24. a fourth rotating shaft; 25. a fan blade; 26. a synchronous belt; 27. placing the box; 28. a first plug hole; 29. a second plug hole; 30. a bolt; 31. u type spacing.

Detailed Description

The embodiments of the present invention will be described below with reference to the drawings.

Example 1

Referring to fig. 1 to 8, a hot wind drying apparatus for dehydrated vegetables includes a drying case 1; the drying box comprises a plurality of placing boxes 27, a fixing frame 2 is connected in a sliding manner in the drying box body 1, a plurality of corresponding U-shaped limiting frames 31 are fixedly connected to two sides in the fixing frame 2, the placing boxes 27 are connected in the two corresponding U-shaped limiting frames 31 in a sliding manner and used for containing vegetables to be dehydrated, and gaps for ventilation are formed in the placing boxes 27; the second groove 13 is formed in the bottom wall of the drying box body 1, at least one group of drying assemblies are arranged in the second groove 13, and the drying assemblies are used for dehydrating and drying the vegetables in the placing box 27; the dehumidifying fan 3 is arranged at the top end of the drying box body 1 and used for discharging water vapor out of the drying box body 1; the two groups of reciprocating mechanisms are respectively provided with the drying box body 1 for turning the vegetables in the placing box 27; and the connecting mechanism is arranged in the second groove 13 and is used for synchronously driving the two groups of reciprocating mechanisms to synchronously move, and the connecting mechanism is driven by the drying assembly.

This device will dry the bottom position that the subassembly located stoving box 1, let steam from supreme spreading down, moisture in the steam stoving vegetables, moisture is heated to the vapor, the vapor is light because hot, the buoyancy that receives cold air is great than gravitation, so can up walk, take out the vapor through the dehumidification fan 3 that stoving box 1 upside set up in the stoving box 1, make stoving box 1 internal environment drier, drying efficiency accelerates, utilize two sets of reciprocating mechanism of coupling mechanism drive to move simultaneously, the top places the vegetables of placing in the box 27, make its position in placing the box 27 change, make the stoving more even, the unanimity of placing the interior vegetable oven-dry mass of box 27 has been guaranteed.

Referring to fig. 2, 4, 5 and 6, each drying mechanism includes a mounting rack 14 fixedly connected to the inside of the second groove 13, a resistance heating element 15 is fixedly connected to the inside of the mounting rack 14, a third rotating shaft 22 and two fourth rotating shafts 24 are rotatably connected to the inside of the second groove 13, synchronizing wheels 23 are fixedly connected to the circumferential surfaces of the third rotating shaft 22 and the two fourth rotating shafts 24, a synchronous belt 26 is connected to the circumferential surfaces of the three synchronizing wheels 23, fan blades 25 are fixedly connected to the circumferential surfaces of the two fourth rotating shafts 24, a second bevel gear 21 is fixedly connected to the circumferential surface of the third rotating shaft 22, a second rotating shaft 16 is rotatably connected to the inside of the second groove 13, a first bevel gear 20 is fixedly connected to the circumferential surface of the second rotating shaft 16, the first bevel gear 20 is engaged with the second bevel gear 21, a driving motor 10 is fixedly connected to the side end of the drying cabinet 1, and the driving motor 10 is connected to the second rotating shaft 16 through a coupler.

Referring to fig. 2, 4 and 5, the connecting mechanism includes a first rotating shaft 7 rotatably connected in the second groove 13, a worm wheel 19 is fixedly connected to the circumferential surface of the first rotating shaft 7, a worm 17 is fixedly connected to the circumferential surface of the second rotating shaft 16, the worm 17 and the worm wheel 19 are engaged with each other, two ends of the first rotating shaft 7 respectively penetrate into the two first grooves 4 in a movable manner towards two sides, and the two half-tooth gears 6 are respectively fixedly connected to two sides of the circumferential surface of the first rotating shaft 7.

Referring to fig. 2, each reciprocating mechanism includes a first groove 4 arranged in the drying box body 1, a half-toothed ring 5 is slidably connected in the first groove 4, a half-toothed gear 6 is arranged in the first groove 4, the half-toothed ring 5 and the half-toothed gear 6 are intermittently meshed, a connecting rod 8 is fixedly connected to the top end of the half-toothed ring 5, and the connecting rod 8 is fixedly connected to the bottom end of the fixing frame 2.

The technical scheme can be achieved by starting the driving motor 10 to drive the second rotating shaft 16 to rotate, the second rotating shaft 16 rotates to drive the first bevel gear 20 to rotate, the first bevel gear 20 rotates to drive the second bevel gear 21 to rotate, the second bevel gear 21 rotates to drive the third rotating shaft 22 to rotate, the third rotating shaft 22 rotates to drive one of the synchronizing wheels 23 to rotate, one synchronizing wheel 23 rotates to drive the other two synchronizing wheels 23 to rotate through the synchronous belt 26, the two synchronizing wheels 23 drive the two fourth rotating shafts 24 to rotate, the fourth rotating shaft 24 rotates to drive the fan blades 25 to rotate, the fan blades 25 rotate to exhaust air, air heated by the resistance heating element 15 is blown upwards, hot air upwards permeates through gaps formed in the placing box 27, moisture of vegetables in the placing box 27 is dried, and the vegetables are dehydrated, the second rotating shaft 16 rotates to drive the worm 17 to rotate, the worm 17 rotates to drive the worm wheel 19 to rotate, the worm wheel 19 rotates to drive the first rotating shaft 7 to rotate, the first rotating shaft 7 rotates to drive the half-tooth gears 6 on the two sides to synchronously rotate, the semi-tooth gear 6 can drive the semi-tooth ring gear 5 to do reciprocating linear motion in the first groove 4, the connecting rod 8 is driven to do reciprocating linear motion through the semi-tooth ring 5, the connecting rod 8 is fixed at the bottom end of the fixed frame 2, the fixed frame 2 is driven by the connecting rod 8 to do reciprocating linear motion in the drying box body 1, the placing box 27 fixed in the fixed frame 2 synchronously does reciprocating linear motion, when the placing box 27 does reciprocating linear motion, the vegetables in the placing box 27 are not fixed in position, the turning device can turn over in a pitch manner when the placing box 27 performs reciprocating linear motion, so that the position of the placing box 27 is changed, and the drying is more uniform.

Example 2

Referring to fig. 1 to 8, a hot wind drying apparatus for dehydrated vegetables includes a drying case 1; the drying box comprises a plurality of placing boxes 27, a fixing frame 2 is connected in a sliding manner in the drying box body 1, a plurality of corresponding U-shaped limiting frames 31 are fixedly connected to the two sides in the fixing frame 2, the placing boxes 27 are connected in a sliding manner in the two corresponding U-shaped limiting frames 31 and used for containing vegetables to be dehydrated, and gaps for ventilation are formed in the placing boxes 27; the second groove 13 is formed in the bottom wall of the drying box body 1, at least one group of drying assemblies are arranged in the second groove 13, and the drying assemblies are used for dehydrating and drying the vegetables in the placing box 27; the dehumidifying fan 3 is arranged at the top end of the drying box body 1 and used for discharging water vapor out of the drying box body 1; the two groups of reciprocating mechanisms are respectively provided with the drying box body 1 for turning the vegetables in the placing box 27; and the connecting mechanism is arranged in the second groove 13 and is used for synchronously driving the two groups of reciprocating mechanisms to synchronously move, and the connecting mechanism is driven by the drying assembly.

Referring to fig. 3, 4 and 7, two chutes 11 have been seted up to the diapire in the drying box 1, and equal roll connection has two pulleys 12 in two chutes 11, and four pulleys 12 are fixed connection respectively in the four corners department of mount 2 bottom.

The technical scheme can be achieved by starting the driving motor 10 to drive the second rotating shaft 16 to rotate, the second rotating shaft 16 rotates to drive the first bevel gear 20 to rotate, the first bevel gear 20 rotates to drive the second bevel gear 21 to rotate, the second bevel gear 21 rotates to drive the third rotating shaft 22 to rotate, the third rotating shaft 22 rotates to drive one of the synchronizing wheels 23 to rotate, one synchronizing wheel 23 rotates to drive the other two synchronizing wheels 23 to rotate through the synchronous belt 26, the two synchronizing wheels 23 drive the two fourth rotating shafts 24 to rotate, the fourth rotating shaft 24 rotates to drive the fan blades 25 to rotate, the fan blades 25 rotate to exhaust air, air heated by the resistance heating element 15 is blown upwards, hot air upwards permeates through gaps formed in the placing box 27, moisture of vegetables in the placing box 27 is dried, and the vegetables are dehydrated, the second rotating shaft 16 rotates to drive the worm 17 to rotate, the worm 17 rotates to drive the worm wheel 19 to rotate, the worm wheel 19 rotates to drive the first rotating shaft 7 to rotate, the first rotating shaft 7 rotates to drive the half-tooth gears 6 on the two sides to synchronously rotate, the semi-tooth gear 6 can drive the semi-tooth ring gear 5 to do reciprocating linear motion in the first groove 4, the connecting rod 8 is driven to do reciprocating linear motion through the semi-tooth ring 5, the connecting rod 8 is fixed at the bottom end of the fixed frame 2, the fixed frame 2 is driven by the connecting rod 8 to do reciprocating linear motion in the drying box body 1, the placing box 27 fixed in the fixed frame 2 synchronously does reciprocating linear motion, when the placing box 27 does reciprocating linear motion, the vegetables in the placing box 27 are not fixed in position, the placing box 27 is turned upside down when performing reciprocating linear motion, so that the position of the placing box 27 is changed, and the drying is more uniform;

furthermore, the bottom wall of the drying box body 1 is provided with a sliding groove 11, and pulleys 12 at four corners of the fixing frame 2 roll in the sliding groove 11, so that the stability of the fixing frame 2 in reciprocating motion can be realized.

Referring to fig. 7 and 8, first inserting holes 28 are formed in the two U-shaped limiting frames 31, second inserting holes 29 are formed in the two ends of the placing box 27, the two first inserting holes 28 are respectively matched with the two second inserting holes 29, and inserting pins 30 are inserted into the two first inserting holes 28 and the two corresponding second inserting holes 29.

The technical effect of positioning the first inserting hole 28 can be achieved by the technical scheme, so that the position deviation of the first inserting hole can be avoided when the fixing frame 2 shakes;

furthermore, the plug pin 30 is inserted into the first insertion hole 28 and the second insertion hole 29 to position the placing box 27, or the first insertion hole 28 and the corresponding second insertion hole 29 are provided with matched threaded grooves, the plug pin 30 is replaced by a bolt, and the bolt is connected to the matched threaded grooves by the bolt threads to fix the placing box 27;

furthermore, the bottom end of the U-shaped limiting frame 31 is limited in a closed manner, and when the end of the placing box 27 abuts against the position of the limited in the closed manner, the second inserting hole 29 is just matched with the first inserting hole 28, so that the defect that the second inserting hole 29 is aligned with the first inserting hole 28 can be better overcome;

further, slope groove has all been seted up to spacing frame 31 opening part of U type, as shown in fig. 8, places box 27 when looking for spacing frame 31 open position of U type, need not both ends and keeps the level to align simultaneously, and the both sides tip of placing box 27 is as long as contact the slope groove, can peg graft in getting into spacing frame 31 of U type along the inner wall in slope groove.

Referring to fig. 1, four corners of the bottom end of a drying box body 1 are fixedly connected with brake universal wheels 9;

the pushing device can be moved conveniently.

s1, placing vegetables: after the vegetables to be dried are placed in the placing box 27, two ends of the placing box 27 are inserted into the corresponding U-shaped limiting frames 31 at two sides respectively, and when two second inserting holes 29 in the placing box 27 correspond to the first inserting holes 28 in the two U-shaped limiting frames 31 respectively, the inserting pins 30 are inserted to complete the position fixing of the placing box 27;

s2, drying vegetables: after a plurality of groups of placing boxes 27 are placed, a door of the drying box body 1 is closed, air in the drying box body 1 is heated by starting the resistance heating element 15, the second rotating shaft 16 is driven to rotate by starting the driving motor 10, the second rotating shaft 16 rotates to drive the first bevel gear 20 to rotate, the first bevel gear 20 rotates to drive the second bevel gear 21 to rotate, the second bevel gear 21 rotates to drive the third rotating shaft 22 to rotate, the third rotating shaft 22 rotates to drive one synchronizing wheel 23 to rotate, one synchronizing wheel 23 rotates to drive the other two synchronizing wheels 23 to rotate through the synchronous belt 26, the two synchronizing wheels 23 drive the two fourth rotating shafts 24 to rotate, the fourth rotating shafts 24 rotate to drive the fan blades 25 to rotate, the fan blades 25 rotate to exhaust air, air heated by the resistance heating element 15 is blown to the upper side, hot air permeates upwards through gaps formed in the placing boxes 27, moisture in vegetables in the placing boxes 27 is dried, the moisture in the vegetables is heated and gasified into steam, the steam is heated and light, the buoyancy of the cold air is larger than that of the cold air, so that the moisture in the drying box body 1 is sucked out by the upper side of the drying box body 1, and the drying efficiency is higher;

s3, reciprocating and jolting: the semi-toothed gear 6 can drive the semi-toothed ring gear 5 to do reciprocating linear motion in the first groove 4 through rotation, the semi-toothed ring gear 5 drives the connecting rod 8 to do reciprocating linear motion, the connecting rod 8 is fixed at the bottom end of the fixing frame 2, the connecting rod 8 drives the fixing frame 2 to do reciprocating linear motion in the drying box body 1, the placing box 27 fixed in the fixing frame 2 synchronously does reciprocating linear motion, when the placing box 27 does reciprocating linear motion, vegetables in the placing box 27 are not fixed in position, the placing box 27 can be overturned in a tossing mode when doing reciprocating linear motion, the position of the placing box 27 is changed, and drying is more uniform;

s4, synchronous driving: the worm 17 is driven to rotate through the rotation of the second rotating shaft 16, the worm 17 drives the worm wheel 19 to rotate, the worm wheel 19 drives the first rotating shaft 7 to rotate, and the first rotating shaft 7 drives the half-tooth gears 6 on the two sides to rotate synchronously.

However, as is well known to those skilled in the art, the working principle and wiring method of the dehumidifying fan 3, the driving motor 10 and the resistance heating element 15 are common and are conventional means or common knowledge, and will not be described herein, and those skilled in the art can make any choice according to their needs or convenience.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention; the embodiments of the invention and the features of the embodiments can be combined with each other without conflict. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a hot-blast drying equipment of dehydrated vegetable which characterized in that includes:

a drying box body (1);

the vegetable drying box comprises a plurality of placing boxes (27), wherein a fixing frame (2) is connected in the drying box body (1) in a sliding mode, a plurality of corresponding U-shaped limiting frames (31) are fixedly connected to the two sides in the fixing frame (2), the placing boxes (27) are connected in the two corresponding U-shaped limiting frames (31) in a sliding mode and used for containing vegetables to be dehydrated, and gaps used for ventilation are formed in the placing boxes (27);

the second groove (13) is formed in the bottom wall of the drying box body (1), at least one group of drying assemblies are arranged in the second groove (13), and the drying assemblies are used for dehydrating and drying vegetables in the placing box (27);

the dehumidifying fan (3), the dehumidifying fan (3) is arranged at the top end of the drying box body (1) and is used for discharging water vapor out of the drying box body (1);

the two groups of reciprocating mechanisms are respectively provided with a drying box body (1) for turning the vegetables in the placing box (27);

and the connecting mechanism is arranged in the second groove (13) and is used for synchronously driving the two sets of reciprocating mechanisms to synchronously move, and the connecting mechanism is driven by the drying assembly.

2. The hot air drying device for dehydrated vegetables according to claim 1, wherein each group of the drying mechanism comprises a mounting rack (14) fixedly connected in a second groove (13), the mounting rack (14) is internally and fixedly connected with a resistance heating element (15), the second groove (13) is rotatably connected with a third rotating shaft (22) and two fourth rotating shafts (24), the circumferential surfaces of the third rotating shaft (22) and the two fourth rotating shafts (24) are fixedly connected with a synchronizing wheel (23), the circumferential surfaces of the synchronizing wheel (23) are rotatably connected with a synchronous belt (26), the circumferential surfaces of the fourth rotating shafts (24) are fixedly connected with fan blades (25), the circumferential surface of the third rotating shaft (22) is fixedly connected with a second bevel gear (21), the second groove (13) is rotatably connected with a second rotating shaft (16), the circumferential surface of the second rotating shaft (16) is fixedly connected with a first bevel gear (20), the first bevel gear (20) is meshed with the second bevel gear (21), the drying box (1) is fixedly connected with a driving motor (10), and the second rotating shaft coupling (16) is connected with a driving motor (10).

3. The hot air drying device for dehydrated vegetables according to claim 2, wherein each set of reciprocating mechanism comprises a first groove (4) arranged in the drying box body (1), a half-toothed ring gear (5) is slidably connected in the first groove (4), a half-toothed gear (6) is arranged in the first groove (4), the half-toothed ring gear (5) and the half-toothed gear (6) are intermittently meshed, a connecting rod (8) is fixedly connected to the top end of the half-toothed ring gear (5), and the connecting rod (8) is fixedly connected to the bottom end of the fixing frame (2).

4. The hot air drying device for dehydrated vegetables according to claim 3, wherein the connecting mechanism comprises a first rotating shaft (7) rotatably connected in the second groove (13), a worm wheel (19) is fixedly connected to the circumferential surface of the first rotating shaft (7), a worm (17) is fixedly connected to the circumferential surface of the second rotating shaft (16), the worm (17) and the worm wheel (19) are engaged, two ends of the first rotating shaft (7) respectively penetrate into the two first grooves (4) in a movable manner towards two sides, and the two half-tooth gears (6) are respectively fixedly connected to two sides of the circumferential surface of the first rotating shaft (7).

5. The hot air drying device for dehydrated vegetables according to any one of claims 1 to 4, wherein two sliding grooves (11) are formed in the bottom wall of the drying box body (1), two pulleys (12) are respectively connected in the two sliding grooves (11) in a rolling manner, and the four pulleys (12) are respectively and fixedly connected to four corners of the bottom end of the fixing frame (2).

6. The hot air drying device for dehydrated vegetables according to any one of claims 1 to 4, wherein first inserting holes (28) are formed in both the U-shaped limiting frames (31), second inserting holes (29) are formed in both ends of the placing box (27), the two first inserting holes (28) are respectively matched with the two second inserting holes (29), and inserting pins (30) are inserted into both the two first inserting holes (28) and the two corresponding second inserting holes (29).

7. The hot air drying device for dehydrated vegetables according to any one of claims 1 to 4, wherein the four corners of the bottom end of the drying box body (1) are fixedly connected with brake universal wheels (9).

8. The use method of the hot air drying apparatus for dehydrated vegetables according to any one of claims 1 to 7, characterized by comprising the steps of:

s1, placing vegetables: after the vegetables to be dried are placed in the placing box (27), two ends of the placing box (27) are inserted into the corresponding U-shaped limiting frames (31) at two sides respectively, and when two second inserting holes (29) in the placing box (27) correspond to first inserting holes (28) in the two U-shaped limiting frames (31) respectively, the inserting pin (30) is inserted to complete the position fixing of the placing box (27);

s2, drying the vegetables: after a plurality of groups of placing boxes (27) are placed, a door of the drying box body (1) is closed, air in the drying box body (1) is heated by starting a resistance heating element (15), a driving motor (10) is started to drive a second rotating shaft (16) to rotate, the second rotating shaft (16) rotates to drive a first bevel gear (20) to rotate, the first bevel gear (20) rotates to drive a second bevel gear (21) to rotate, the second bevel gear (21) rotates to drive a third rotating shaft (22) to rotate, the third rotating shaft (22) rotates to drive one synchronizing wheel (23) to rotate, one synchronizing wheel (23) rotates to drive the other two synchronizing wheels (23) to rotate through a synchronizing belt (26), two synchronizing wheels (23) drive two fourth rotating shafts (24) to rotate, the fourth rotating shafts (24) rotate to drive fan blades (25) to rotate, the fan blades (25) rotate to exhaust air, air heated by a resistance heating element (15) is blown towards the upper side, hot air upwards permeates through a gap formed in a placing box (27), moisture of vegetables in the placing box (27) is dried to be dehydrated, the moisture in the vegetables is heated and gasified into water vapor, the water vapor is light because of heat and has larger buoyancy than gravity of cold air, so the water vapor can go upwards, the water vapor is pumped out of the drying box body (1) through a dehumidifying fan (3) arranged on the upper side of the drying box body (1), the environment in the drying box body (1) is drier, and the drying efficiency is accelerated;

s3, reciprocating and jolting: the semi-tooth gear (6) rotates to drive the semi-tooth ring (5) to do reciprocating linear motion in the first groove (4), the semi-tooth ring (5) drives the connecting rod (8) to do reciprocating linear motion, the connecting rod (8) is fixed at the bottom end of the fixing frame (2), the connecting rod (8) drives the fixing frame (2) to do reciprocating linear motion in the drying box body (1), the placing box (27) fixed in the fixing frame (2) synchronously does reciprocating linear motion, when the placing box (27) does reciprocating linear motion, vegetables in the placing box (27) are not fixed in position, the placing box (27) can be overturned when doing reciprocating linear motion, the position of the vegetables in the placing box (27) is changed, and drying is more uniform;

s4, synchronous driving: the second rotating shaft (16) rotates to drive the worm (17) to rotate, the worm (17) rotates to drive the worm wheel (19) to rotate, the worm wheel (19) rotates to drive the first rotating shaft (7) to rotate, and the first rotating shaft (7) rotates to drive the half-tooth gears (6) on the two sides to synchronously rotate.