CN113017118A

CN113017118A - Vegetable drying equipment

Info

Publication number: CN113017118A
Application number: CN202011428976.0A
Authority: CN
Inventors: 陈东雷; 耿兰兰
Original assignee: Linquan Yucheng Machinery Co ltd
Current assignee: Linquan Yucheng Machinery Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-06-25
Anticipated expiration: 2040-12-07
Also published as: CN113017118B

Abstract

The invention relates to vegetable drying equipment which comprises an oven, a conveying device, a material taking device and a dispensing device, wherein the conveying device comprises a conveying assembly a and a conveying assembly b which is erected above the conveying assembly a and can pass through the oven; the material taking device comprises a plurality of groups of mounting assemblies which are arranged on the conveying assembly b and can rotate and move up and down and a material receiving assembly which is correspondingly arranged below the mounting assemblies and moves along with the mounting assemblies; the material receiving assembly comprises a heat insulation box, a drying platform, a feeding mechanism rotatably arranged at a feeding port of the heat insulation box, a rolling mechanism rotatably arranged on the drying platform and in power connection with the feeding mechanism, two groups of arrangement mechanisms which are arranged in the heat insulation box in an up-and-down opposite mode and can form a vegetable leaf arrangement area, and a synchronization mechanism for driving the two groups of arrangement mechanisms to rotate and arrange vegetable leaves synchronously along with the rotation of the material receiving assembly; the pesticide spraying device comprises a spraying component and a driving component, wherein the spraying component is used for spraying the dehydration auxiliary agent to the leaves and the petioles; the invention can dry the leaves and petioles uniformly.

Description

Vegetable drying equipment

Technical Field

The invention relates to the field of vegetable processing equipment, in particular to vegetable drying equipment.

Background

The dehydrated vegetable can be directly added into the instant food, or can be used as a seasoning after being reprocessed, or can be added into the food as a raw material for further deep processing, or can be used as one of deep-processed products of the vegetable, and the dehydrated vegetable also has the color, the fragrance, the taste, the shape and the quality of the fresh vegetable, and is convenient to store.

The invention patent with Chinese patent application number CN21519524.4 discloses a vegetable dewatering machine for drying vegetables in sections, which comprises a body, a low-speed high-temperature cavity, a high-speed low-temperature cavity, a first dewatering cylinder, a second dewatering cylinder and a drying device, wherein the upper end of the first dewatering cylinder is connected with a first motor through a rotating shaft, the inner wall of the first dewatering cylinder is provided with the drying device, the bottom of the inner cavity of the first dewatering cylinder is provided with a clamping groove, a clamping plate is arranged between filter screens, the lower end of the clamping plate is provided with a first telescopic rod, the right side of the first dewatering cylinder is provided with a first discharge hole, the lower part of the first discharge hole is provided with a conveying device, the upper part of the inner cavity of the high-speed low-temperature cavity is provided with a fixing device, the inner cavity of the fixing device is provided with the second dewatering cylinder, the second motor is connected with the second dewatering cylinder through the rotating shaft, and a heating water pipe is arranged between the inner wall and, high drying efficiency, good effect and high quality of dried vegetables.

However, the equipment adopts the mode that the whole vegetables are firstly dried at high temperature and then dried at low temperature, and for single vegetables, the moisture content of leaves and petioles of the vegetables is different, so that the drying effect is easily influenced by the mode of drying the whole vegetables.

Disclosure of Invention

In order to solve the problems, the invention provides vegetable drying equipment, which is characterized in that blades of vegetables are conveyed into a heat insulation box through a feeding mechanism, then petioles are dried firstly, a sorting assembly spreads folded parts of the blades in the process of drying the petioles, and then the blades and the petioles are conveyed to a drying table to be dried integrally when the water content of the petioles is consistent with that of the blades, so that the technical problem that the overall drying effect of the vegetables is poor due to the fact that corresponding drying is carried out on different parts of the vegetables with different water contents in the prior art is solved.

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

a vegetable drying apparatus comprising:

the drying oven comprises a preheating zone, a drying zone a, a drying zone b and a cooling zone which are arranged in the drying oven;

the conveying device comprises a conveying assembly a which is arranged on one side of the oven and is arranged in a rotary manner, and a conveying assembly b which is erected above the conveying assembly a and sequentially passes through the preheating zone, the drying zone a, the drying zone b and the cooling zone;

the material taking device comprises a plurality of groups of mounting assemblies and material receiving assemblies, wherein the mounting assemblies are distributed on the conveying assemblies b along the rotary path array of the conveying assemblies b and can rotate and move up and down, and the material receiving assemblies are correspondingly mounted below the mounting assemblies and move along with the mounting assemblies;

the material receiving assembly comprises a heat insulation box and a drying table which are arranged in the front and back direction along the conveying direction of the conveying assembly b, a feeding mechanism which is rotatably arranged at a feeding port of the heat insulation box and is used for conveying vegetable leaves into the heat insulation box, a rolling mechanism which is rotatably arranged on the drying table and is in power connection with the feeding mechanism, two groups of arrangement mechanisms which are arranged in the heat insulation box in a vertically opposite mode and can form a vegetable leaf arrangement area, and a synchronization mechanism which drives the two groups of arrangement mechanisms to rotate and arrange the vegetable leaves synchronously along with the rotation of the material receiving assembly; the heat insulation box and the conveying assembly a can be arranged in a fitting mode, and the drying table is located above the conveying assembly a when the heat insulation box and the conveying assembly a are attached; and

the pesticide spraying device comprises a spraying assembly and a driving assembly, wherein the spraying assembly is vertically moved in the preheating zone and can spray a dehydration auxiliary agent to the vegetable leaves in the heat insulation box and below the drying table, and the driving assembly is in power connection with the spraying assembly and the conveying assembly a.

As an improvement, the mounting assembly comprises a cross rod fixedly mounted on the conveying assembly b, a sleeve slidably arranged in the middle of the cross rod in a penetrating manner, a moving plate fixedly mounted at the bottom of the sleeve, two groups of optical shafts symmetrically and fixedly mounted at two ends of the moving plate and slidably arranged on the cross rod in a penetrating manner, a rotating shaft rotatably mounted in the sleeve, a gear a coaxially fixed with the rotating shaft, a rack a arranged in the drying area a and capable of being meshed with the gear a, and limiting plates fixedly arranged above the conveying assembly a and in the drying area b respectively and capable of being abutted against the top of the rotating shaft; the optical axis is elastically connected with the cross rod.

As an improvement, feed mechanism is including rotating the installation the live-rollers a of heat-insulating box feed inlet department, with live-rollers a is coaxial fixed and rotate the installation the gear b of heat-insulating box side, follow conveying component a gyration route array distribution and respectively with a plurality of groups rack b that gear b can mesh the setting and with be located drying zone b department the limiting plate correspond the setting and with rack c that gear b can mesh the setting.

As an improvement, the rolling mechanism comprises a plurality of groups of rotating rollers b distributed on the drying platform in an array manner, a chain wheel transmission unit synchronously connected with the plurality of groups of rotating rollers b in a transmission manner, a synchronous wheel unit dynamically connected with the rotating rollers a and the chain wheel transmission assembly, and a rack group arranged in the drying area b and positioned at the rear side of the limiting plate; the rack group comprises racks d which are arranged along the advancing direction of the gear b in a vertically staggered mode and can be meshed with the gear b.

As an improvement, the arranging mechanism comprises a mounting plate, a plurality of groups of rotating rollers c which are distributed in a radial direction in a divergent mode and are rotatably mounted in the mounting plate, a friction strip which is spirally arranged on the rotating rollers c in a surrounding mode and protrudes out of the plane of the mounting plate, a gear d which is coaxially fixed and corresponds to the rotating rollers c, and a gear ring which is rotatably mounted in the center of the mounting plate and is meshed with the plurality of groups of gears d.

As an improvement, the mounting plate below is fixedly mounted at the bottom of the heat insulation box, and the mounting plate above is arranged in the heat insulation box in a vertically sliding mode and is connected with the inner wall of the top of the heat insulation box through a spring.

As an improvement, the synchronizing mechanism comprises a rotating shaft rotatably arranged on one side of the heat insulation box, a driving wheel assembly a in transmission connection with the rotating shaft and the gear ring positioned below the rotating shaft, a gear e rotatably arranged on the top of the heat insulation box, a driving wheel assembly b in transmission connection with the gear e and the rotating shaft, and a power unit which is in power connection with the gear ring above the gear e and can drive the gear e to rotate.

As an improvement, the power unit include with the top ring gear coaxial fixation and slip to wear to establish connecting axle, coaxial fixed mounting on the heat-insulating box the top of connecting axle and with gear f, the fixed mounting that gear e can mesh the setting are in on the installation component and with baffle and the circumference array setting that gear f can conflict the setting are in the baffle bottom and with a plurality of sets of arc-shaped rack that gear f can mesh the setting.

As an improvement, the spraying assembly is arranged on a workbench below the oven, a sliding frame which is arranged on the workbench in a vertically sliding manner, material guide holes which are symmetrically formed in the left side wall and the right side wall of the heat insulation box and communicated with a vegetable leaf arranging area, two groups of material conveying pipes a which are fixedly arranged on the sliding frame and can be communicated with the material guide holes in an aligning manner, material conveying pipes b which are correspondingly communicated with the material conveying pipes a and are arranged corresponding to the oven drying table, and a material receiving groove which is connected with the material conveying pipes a through hoses and is arranged on the rear side of the workbench along the conveying direction of the conveying assembly b; and the conveying pipe b comprises a plurality of groups of guide pipes which are arrayed in the vertical direction and the openings of which face one side of the drying table.

As an improvement, the drive assembly is including rotating the installation the workstation below and with spacing dish and the power connection that the carriage bottom was contradicted and is set up spacing dish reaches conveying component a's drive belt assembly, spacing dish includes along its rotation direction setting cooperation portion and the bellying in its edge.

The invention has the beneficial effects that:

(1) according to the invention, the blades are conveyed into the heat insulation box by the feeding mechanism, the leaf stalks are left outside the heat insulation box, then the vegetable leaves are conveyed to the drying area a for drying, the leaf stalks are independently dried, so that the water content of the leaf stalks is consistent with that of the leaves, and then when the vegetable leaves are conveyed to the drying area a, the blades and the leaf stalks are simultaneously dried, so that the vegetable leaves can be uniformly dried;

(2) when the blades are sent to a drying area a for drying, the petioles are in a natural drooping state, meanwhile, a gear a in the installation assembly is meshed with a rack a to drive the material receiving assembly to rotate, so that the petioles are dried in a rotating mode, meanwhile, the material receiving assembly rotates to drive a rotating roller c in the arrangement assembly to rotate, the folded blades can be flattened through the movement of the friction strips, the stacking phenomenon of the blades is prevented, and the drying effect of the subsequent blades is improved;

(3) according to the vegetable leaf drying device, when the vegetable leaves move to the preheating area along with the material taking device, the leaf stalks and the leaves are sprayed with the dehydration auxiliary agent, after the vegetable leaves enter the drying area a, the finishing mechanism can further uniformly demould the dehydration auxiliary agent on the leaves when the leaves are unfolded at ordinary times, sodium bicarbonate and potassium carbonate in the dehydration auxiliary agent are hydrolyzed to generate OH which is alkaline, so that the elasticity and ductility of vegetables can be increased, the water evaporation of the vegetables can be promoted, the drying process is accelerated, the loss of chlorophyll and vitamins can be reduced, potassium ions are favorable for opening pores of the vegetables and can play a role in promoting the water evaporation of the vegetables, and meanwhile, citric acid not only reduces the alkalinity of the drying auxiliary agent so as to avoid bad dehydration effect caused by strong alkalinity, but also can inhibit bacterial reproduction and play a disinfection and sterilization effect in the;

(4) when the blades are conveyed to the drying area b, the water content of the blades is consistent with that of the leaf stalks, the whole vegetable leaves are conveyed to the drying table by the feeding mechanism, and then when the vegetable leaves pass through the drying area b, the gear b is matched with the rack gear assembly, so that the vegetable leaves move back and forth on the rotating roller b, and the whole vegetable leaves are dried more uniformly;

(5) according to the vegetable leaf heating device, the plane for bearing vegetable leaves is formed by the plurality of groups of rotating rollers b, and the rotating rollers b are arranged in a tangent mode, so that grooves can be formed in the bottom surfaces of the vegetable leaves, hot air circulation is facilitated, and the vegetable leaves are heated more uniformly.

In conclusion, the vegetable drying device has the advantages of simple structure, ingenious design, good drying effect, high drying efficiency and the like, and is particularly suitable for drying leaf vegetables.

Drawings

FIG. 1 is a first drawing illustrating the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the structure inside the oven;

FIG. 4 is an enlarged view taken at A in FIG. 1;

FIG. 5 is an enlarged view at C of FIG. 2;

FIG. 6 is an enlarged view of FIG. 2 at D;

FIG. 7 is a schematic view of a material extracting apparatus in a rotated state;

FIG. 8 is a first view of a material extracting apparatus;

FIG. 9 is a second view of the structure of the material extracting apparatus;

FIG. 10 is an enlarged view at F of FIG. 8;

FIG. 11 is an enlarged view at G of FIG. 9;

FIG. 12 is a cross-sectional view of the first take off device;

FIG. 13 is a sectional view of the second embodiment of the reclaimer;

FIG. 14 is a schematic view of the organization mechanism;

FIG. 15 is a schematic view of the movement state of vegetable leaves;

FIG. 16 is an enlarged view of FIG. 1 at B;

fig. 17 is an enlarged view of fig. 2 at E.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example (b):

as shown in fig. 1 to 3, a vegetable drying apparatus includes:

the drying oven comprises an oven 1, wherein the oven 1 comprises a preheating zone 11, a drying zone a12, a drying zone b13 and a cooling zone 14;

a conveying device 2, wherein the conveying device 2 comprises a conveying assembly a21 which is installed at one side of the oven 1 and is arranged in a rotary manner, and a conveying assembly b22 which is erected above the conveying belt assembly a21 and sequentially passes through the preheating zone 11, the drying zone a12, the drying zone b13 and the cooling zone 14;

the material taking device 3 comprises a plurality of groups of mounting assemblies 31 which are distributed on the material taking device 3 along the revolving path array of the conveying assembly b22 and can rotate and move up and down, and material receiving assemblies 32 which are correspondingly mounted below the mounting assemblies 31 and move along with the mounting assemblies 31;

the material receiving assembly 32 comprises a heat insulation box 321 and a drying platform 322 which are arranged in the front and back direction along the conveying direction of the conveying assembly b22, a feeding mechanism 323 which is rotatably arranged at a feeding port of the heat insulation box 321 and used for conveying vegetable leaves into the heat insulation box 321, a rolling mechanism 324 which is rotatably arranged on the drying platform 322 and is in power connection with the feeding mechanism 323, two groups of arrangement mechanisms 325 which are arranged in the heat insulation box 321 in an up-and-down opposite mode and can form a vegetable leaf arrangement area, and a synchronization mechanism 326 which drives the two groups of arrangement mechanisms 325 to rotate and arrange the vegetable leaves synchronously along with the rotation of the material receiving assembly 32; the heat insulation box 321 and the conveying assembly a21 can be arranged in a fitting manner, and when the heat insulation box and the conveying assembly a21 are fitted, the drying table 322 is positioned above the conveying assembly a 21; and

the pesticide spraying device 5 comprises a spraying assembly 51 which is vertically moved in the preheating zone 11 and can spray a dehydration auxiliary agent to the vegetable leaves in the heat insulation box 321 and below the drying platform 322, and a driving assembly 52 which is in power connection with the spraying assembly 51 and the conveying assembly a 21.

It should be noted that, the two groups of the collating assemblies 325 are separated when the heat insulation box 321 performs feeding and discharging, so that the feeding and discharging can be performed smoothly.

More specifically, the dehydration auxiliary agent is a dehydration auxiliary agent of sodium bicarbonate, potassium carbonate and citric acid, wherein the sodium bicarbonate and the potassium carbonate are hydrolyzed to generate OH which is alkaline, so that the elasticity and ductility of the vegetable can be increased, the water evaporation of the vegetable can be promoted, the drying process can be accelerated, the loss of chlorophyll and vitamins can be reduced, potassium ions can help to open pores of the vegetable and can also play a role in promoting the water evaporation of the vegetable, and meanwhile, the citric acid not only reduces the alkalinity of the drying auxiliary agent so as to avoid the poor dehydration effect caused by too strong alkalinity, but also can inhibit the propagation of bacteria and play a role in disinfection and sterilization in the dehydration process of the vegetable.

It is worth mentioning that the conveying component a21 is a conveying belt conveying device; the conveying component b22 is a chain wheel and chain conveying device; both rotate alternately and are driven by external power equipment.

Further, as shown in fig. 4, 5 and 8, the mounting assembly 31 includes a cross bar 311 fixedly mounted on the conveying assembly b22, a sleeve 312 slidably disposed in the middle of the cross bar 311, a moving plate 313 fixedly mounted at the bottom of the sleeve 312, two sets of optical axes 314 symmetrically and fixedly mounted at two ends of the moving plate 313 and slidably disposed on the cross bar 311, a rotating shaft 315 rotatably mounted in the sleeve 312, a gear a316 coaxially fixed with the rotating shaft 315, a rack 317 disposed in the drying zone a12 and capable of meshing with the gear a316, and a limiting plate 318 fixedly disposed above the conveying assembly a21 and in the drying zone b22 and capable of abutting against the top of the rotating shaft 315; the optical axis 314 is elastically connected to the cross bar 311.

It should be noted that, when the material receiving assembly 32 moves to the position above the conveying assembly a21, the rotating shaft 315 abuts against the limiting plate 318, so that the sleeve 312 and the moving plate 313 move downwards, and the bottom of the heat insulation box 321 is attached to the conveying assembly a21, at this time, the two groups of sorting mechanisms 325 are separated.

Further, as shown in fig. 8 and 12, the feeding mechanism 323 includes a rotating roller a3231 rotatably installed at the feeding port of the heat insulation box 321, a gear b3232 coaxially fixed with the rotating roller a3231 and rotatably installed at the side surface of the heat insulation box 321, a plurality of sets of racks b3233 distributed along the revolving path array of the conveying assembly a21 and respectively engageable with the gear b3232, and a rack c3234 provided corresponding to the limiting plate 318 at the drying zone b22 and engageable with the gear b 3232.

It should be noted that the vegetable leaves 4 are placed on the conveying assembly a21 manually or by a manipulator, and the conveying assembly a21 is provided with a mark so that the placing position of the vegetable leaves 4 corresponds to the rack b 3233.

More specifically, after the bottom of the heat insulation box 321 is attached to the conveying assembly a21, the conveying assembly a21 starts to operate, the end of the blade 41 of the vegetable leaf 4 moves to the feed port of the heat insulation box 321, and then the rack b3233 is engaged with the gear b3232 to drive the rotating roller a3231 to rotate, so that the blade 41 is smoothly conveyed to the inside of the heat insulation box 321.

It is important to note that the heat insulation box 321 is arranged in a wedge shape opposite to the rotating roller a3231, so as to facilitate the feeding process of the blade 41; the rotating roller a3231 may be an eccentric roller, which is in contact with the blade 41 at a distance, so as to ensure that the blade 41 is not broken during the transportation process.

It should be noted that, as shown in fig. 4, after the rack b3233 passes through the gear b3232, when the conveying assembly b22 drives the material receiving assembly 32 to move, the rotating shaft 315 is disengaged from the limiting plate 318, the heat insulation box 321 carries the vegetable leaves 4 upward, the leaf handles 42 are in a natural sagging state, and the gear b3232 does not engage with the rack b3233 which is engaged with the rack b 3233.

It should be further noted that, as shown in fig. 9 and 12, after the blade 41 enters the heat insulation box 321, the conveying assembly b22 conveys the heat insulation box 321 and the vegetable leaves 4 to the preheating zone 11 for preheating, and then when the heat insulation box 321 and the vegetable leaves 4 enter the drying zone a12 for drying, the gear a316 is engaged with the rack a317, so as to drive the heat insulation box 321 and the drying table 322 to rotate, so as to drive the blade handle 42 to rotate for drying, and the blade handle 42 is heated more uniformly, so as to achieve a better drying effect.

It is important to note that, as shown in fig. 7, after the heat insulation box 321 and the vegetable leaves 4 leave the drying zone a12 along with the conveying of the conveying assembly b22, the drying platform 322 rotates upward, and the leaf stalks 42 fall onto the drying platform 322.

Further, as shown in fig. 3 and 6, the rolling mechanism 324 includes a plurality of groups of rotating rollers b3241 distributed on the drying platform 322 in an array manner, a sprocket drive unit 3242 synchronously driving and connecting the plurality of groups of rotating rollers b3242, a synchronizing wheel unit 3243 dynamically connecting the rotating rollers a3231 with the sprocket drive unit 3242, and a rack group 3244 disposed in the drying zone b13 and located behind the limiting plate 318; the rack group 3244 includes racks d32441 arranged along the forward direction of the gear b3232 in a vertically staggered manner and each rack is capable of meshing with the gear b 3232.

It should be noted that, as shown in fig. 3 and 5, the material receiving assembly 32 moves in the drying zone b13, the rotating shaft 315 is in interference fit with the limiting plate 318, the material receiving assembly 32 moves upward, and then the two groups of sorting assemblies 325 are away from each other, meanwhile, the gear b3232 is engaged with the rack c3234 to drive the rotating roller a3231 to rotate, and simultaneously, under the action of the synchronizing wheel unit 3243 and the sprocket transmission assembly 3242, the groups of rotating rollers b3242 rotate synchronously, and the rotating roller a3231 and the rotating roller b3242 are matched to enable the vegetable leaves 4 to move to the groups of rotating rollers b3242 integrally.

It should be further noted that, as shown in fig. 6 and 15, after the vegetable leaves 4 are integrally arranged on the plurality of sets of rotating rollers b3242, the rotating shaft 315 is disengaged from the limiting plate 318, then the gear b3232 passes through the rack set 3244, and the gear b3232 rotates forward and backward, so as to drive the rotating rollers b3242 to rotate forward and backward, so that the vegetable leaves 4 move back and forth, and the overall drying effect of the vegetable leaves 4 is improved.

It should be further noted that in the process that the material receiving assembly 32 moves to cooperate with the gear set 3244, when the gear b3232 cooperates with the first rack d32441, the rotating roller b3242 drives the vegetable leaves 4 to move in a direction away from the heat insulation box 321, and the vegetable leaves 4 do not enter the heat insulation box 321 again.

It is worth mentioning that a plurality of groups of the rotating rollers b3242 form grooves on the bearing surfaces of the vegetable leaves 4, so that hot air circulation is facilitated, and the drying effect of the vegetable leaves 4 is further improved.

Further, as shown in fig. 13 and 14, the arranging mechanism 325 includes a mounting plate 3251, a plurality of sets of rotating rollers c3252 distributed radially and rotatably mounted in the mounting plate 3251, a friction bar 3253 spirally wound on the rotating rollers c3252 and protruding out of the plane of the mounting plate 3251, a gear d3254 coaxially fixed with respect to the rotating rollers c3252, and a gear ring 3255 rotatably mounted at the center of the mounting plate 3251 and engaged with the plurality of sets of gears d 3254.

Further, the lower mounting plate 3251 is fixedly mounted at the bottom of the heat insulation box 321, and the upper mounting plate 3251 is slidably disposed in the heat insulation box 321 up and down and connected to the inner wall of the top of the heat insulation box 321 through a spring.

It should be noted that, when a vegetable leaf sorting station is formed between the two sets of mounting plates 3251, the rubbing strip 3253 is outwardly in contact with the blades 41, and the plurality of sets of rotating rollers 3252 rotate synchronously, and the rubbing strip 3253 pushes the vegetable leaves 41 outwardly, so that the stacked vegetable leaves 41 are fully unfolded, and the vegetable leaves 41 coming out of the heat insulation box 321 are prevented from being stacked subsequently.

Further, as shown in fig. 8 to 11, the synchronizing mechanism 326 includes a rotating shaft 3261 rotatably installed at one side of the heat insulation box 321, a driving wheel assembly a3262 drivingly connecting the rotating shaft 3261 and the gear ring 3255 located therebelow, a gear e3263 rotatably installed at the top of the heat insulation box 321, a driving wheel assembly b3264 drivingly connecting the gear e3263 and the rotating shaft 3261, and a power unit 3265 which is power-connected to the gear ring 3255 located thereabove and can drive the gear e3263 to rotate.

Furthermore, as shown in fig. 10 and 11, the power unit 3265 includes a connecting shaft 32651 coaxially fixed to the upper ring gear 3255 and slidably disposed on the heat insulation box 321, a gear f32652 coaxially and fixedly mounted at a top end of the connecting shaft 32651 and capable of meshing with the gear e3263, a baffle 32653 fixedly mounted on the mounting assembly 31 and capable of abutting against the gear f32652, and a plurality of sets of arc-shaped racks 32654 circumferentially arrayed at a bottom of the baffle 32653 and capable of meshing with the gear f 32652.

It should be noted that, when the baffle 32653 is fixedly connected to the cross bar 311, and the rotating shaft 315 does not abut against the limiting plate 318, the gear f32653 abuts against the baffle 32652, so that the distance between the two sets of sorting mechanisms 325 is reduced, a sorting station is formed between the two sets of sorting mechanisms, and meanwhile, the gear f32652 is engaged with the gear e3263, and when the gear a316 is engaged with the rack a317 and the heat insulation box 321 is rotated, the gear f32652 is engaged with the arc-shaped rack 32654 to rotate and drive the gear ring 3255 above to rotate.

More specifically, the gear e3263 drives the transmission wheel assembly b3264 to rotate, so as to drive the rotation shaft 3261 to rotate, and further drive the transmission wheel assembly a3262 to rotate, and the transmission assembly a3262 drives the gear ring 3255 below to rotate, so that a plurality of groups of the rotating rollers c3252 in the two groups of arrangement mechanisms 325 arranged up and down rotate synchronously.

Further, as shown in fig. 16 and 17, the spraying assembly 51 is disposed on a workbench 511 below the oven 1, a sliding frame 512 disposed on the workbench 511 in a vertically sliding manner, material guiding holes 513 symmetrically formed in left and right side walls of the heat insulation box 321 and communicated with a vegetable leaf arranging area, two sets of material conveying pipes a514 fixedly mounted on the sliding frame 512 and communicated with the material guiding holes 513 in an aligning manner, a material conveying pipe b515 correspondingly communicated with the material conveying pipe a514 and arranged corresponding to the drying table 322, and a material receiving groove 517 connected with the material conveying pipe a514 through a hose and arranged at the rear side of the workbench 511 along the conveying direction of the conveying assembly b 22; the delivery pipe b515 includes a plurality of guide pipes 5151 arranged in a vertical array with openings facing one side of the drying stage 322.

It should be noted that the receiving groove 517 is used to receive the dropped dehydration assistant, and it can pump the dehydration assistant.

Further, the driving assembly 52 includes a limiting disc 521 rotatably installed below the working table 511 and disposed to abut against the bottom end of the sliding frame 512, and a belt assembly 522 for power-connecting the limiting disc 521 and the conveying assembly a21, wherein the limiting disc 521 includes a matching portion 5211 and a protrusion portion 5212 disposed at an edge thereof along a rotation direction thereof.

It should be noted that, when the conveying assembly b22 stops operating, the conveying assembly a21 conveys the vegetable leaves 4 to make the blades 41 enter the heat insulation box 321, the conveying assembly a21 drives the limiting disc 521 to rotate through the belt assembly 522, the bottom of the sliding frame 512 is switched from being matched with the matching part 5211 to being matched with the protruding part 5212, the sliding frame 512 is jacked up, the conveying pipe a514 is matched with the material taking device 3 loaded with the vegetable leaves 4 in the preheating zone 11, that is, the conveying pipe a514 is communicated with the conveying pipe b515, meanwhile, a plurality of groups of the guide pipes 5151 are aligned with the leaf stalks 42 below the drying table 322, then under the action of the material receiving groove 517, the dewatering assistant is conveyed to be in contact with the blades 41 and the leaf stalks 42, and when the conveying assembly a21 operates to finish the loading of the vegetable leaves 4 by the material taking device 3, under the action of the limiting disc 521, the spraying assembly 51 is reset.

It should be further noted that when the vegetable leaves 4 move in the drying area a12 along with the material taking device 3, the sorting mechanism 325 firstly flattens the blade 41, and then when the vegetable leaves 4 continue to move along with the material taking device 3, the sorting mechanism 325 uniformly coats the dewatering assistant on the blade 41, and when the blade 41 is folded, the sorting mechanism 325 with a thicker thickness can smoothly flatten the blade 41, after the blade 41 is flattened, the acting force of the sorting mechanism 325 on the blade is smaller, and because the arc-shaped racks 32654 are arranged at intervals, the working time of the sorting mechanism 325 is shorter, so that the integrity of the blade 41 can be ensured to a certain extent.

It should be noted that the material guide hole 513 is opened only when the material delivery pipe a514 is communicated therewith.

The working process is as follows:

a worker or a manipulator places vegetable leaves 4 on the conveying assembly a21, the placing position of the vegetable leaves 4 corresponds to the rack b32233, then when the conveying assembly b22 conveys the material receiving assembly 32 to move to the position above the conveying assembly a21, the rotating shaft 315 abuts against the limiting plate 318, the sleeve 312 and the moving plate 313 move downwards, the bottom of the heat insulation box 321 is attached to the conveying assembly a21, the gear f32653 is disengaged from the baffle 32652, the distance between the two groups of sorting mechanisms 325 is increased, then the conveying assembly a21 starts to operate, the end of the blade 41 moves to the feed inlet of the heat insulation box 321, then the rack b3233 is engaged with the gear b3232, the rotating roller a3231 is driven to rotate, the blade 41 is smoothly conveyed to the inside of the heat insulation box 321, and then the conveying assembly b22 conveys the vegetable leaves 4 continuously, the rotating shaft 315 is disengaged from the limiting plate 318, the heat insulation box 321 moves the vegetable leaves 4 upwards, the handles 42 are in a natural drooping state, the gear f32653 abuts against the baffle 32652, the gear f32653 is engaged with the gear e3263, the distance between the two groups of sorting mechanisms 325 is reduced, the friction strip 3253 is in contact with the blades 41, then the conveying assembly b22 conveys the material receiving assembly 32 and the vegetable leaves 4 to the preheating zone 11 for preheating, the carriage 512 moves upwards to drive the conveying pipe a514 to be communicated with the material guiding pipe b515, meanwhile, a plurality of groups of the guide pipes 5151 are aligned with the handles 42 below the drying table 322, then under the action of the storage unit 516, the dewatering aid is conveyed to be in contact with the blades 41 and the handles 42 and then to enter the drying zone a12, and the gear a316 is engaged with the rack a317, further driving the heat insulation box 321 and the drying table 322 to rotate, further driving the petioles 42 to rotate and dry, meanwhile, the gear f32652 is engaged with the arc-shaped rack 32654 to rotate and drives the gear ring 3255 above to rotate, the gear f32652 also drives the gear e3263 to rotate, the gear e3263 drives the transmission wheel assembly b3264 to rotate, further driving the rotation shaft 3261 to rotate, further driving the transmission wheel assembly a3262 to rotate, the transmission wheel assembly a3262 drives the gear ring 3255 below to rotate, further enabling a plurality of sets of rotation rollers c3252 in two sets of arrangement mechanisms 325 arranged up and down to synchronously rotate, further fully unfolding the blades 41, simultaneously enabling the blades 41 to be uniformly coated with dehydration additives, and then after the heat insulation box 321 and the blades 4 leave the drying area a12, the drying table 322 rotates upwards, the leaf stalks 42 fall onto the drying table 322 at this time, then the conveying assembly b22 conveys the material receiving assembly 32 and the vegetable leaves 4 into the drying zone b13, the rotating shaft 315 is in interference fit with the limiting plate 318, the material receiving assembly 32 moves upwards, at this time, the gear f32653 is disengaged from the baffle 32652, at this time, the distance between the two groups of sorting mechanisms 325 is increased, meanwhile, the gear b3232 is meshed with the rack c3234 to drive the rotating roller a3231 to rotate, simultaneously, under the action of the synchronizing wheel unit 3243 and the sprocket transmission assembly 3242, the rotating rollers b3242 synchronously rotate, the rotating roller a3231 is engaged with the rotating roller b3242 to enable the vegetable leaves 4 to integrally move onto the rotating rollers b3242, then the rotating shaft 315 is disengaged from the limiting plate, and then the gear b3232 passes through the rack group 3244, the gear b3232 rotates positively and negatively to drive the rotating roller b3242 to rotate positively and negatively to enable the vegetable leaves 4 to move back and forth, then the conveying component b22 conveys the material receiving component 32 and the vegetable leaves 4 to enter the cooling area 34, finally the vegetable leaves 4 are conveyed to the outside of the oven 1, and then the dried vegetable leaves 4 are taken down manually or by a mechanical arm.

Claims

1. A vegetable drying apparatus, comprising:

the drying oven comprises a drying oven (1), wherein the drying oven (1) comprises a preheating zone (11), a drying zone a (12), a drying zone b (13) and a cooling zone (14) which are arranged in the drying oven;

the conveying device (2) comprises a conveying assembly a (21) which is arranged on one side of the oven (1) and is arranged in a rotary mode, and a conveying assembly b (22) which is erected above the conveying belt assembly a (21) and sequentially passes through the preheating zone (11), the drying zone a (12), the drying zone b (13) and the cooling zone (14);

the material taking device (3) comprises a plurality of groups of mounting assemblies (31) which are distributed on the material taking device (3) along the revolving path array of the conveying assembly b (22) and can rotate and move up and down, and material receiving assemblies (32) which are correspondingly mounted below the mounting assemblies (31) and move along with the mounting assemblies (31);

the material receiving assembly (32) comprises a heat insulation box (321) and a drying table (322) which are arranged in the front and back direction along the conveying direction of the conveying assembly b (22), a feeding mechanism (323) which is rotatably arranged at a feeding port of the heat insulation box (321) and used for conveying vegetable leaves into the heat insulation box (321), a rolling mechanism (324) which is rotatably arranged on the drying table (322) and is in power connection with the feeding mechanism (323), two groups of arrangement mechanisms (325) which are arranged in the heat insulation box (321) in an up-and-down opposite mode and can form a vegetable leaf arrangement area, and a synchronization mechanism (326) which drives the two groups of arrangement mechanisms (325) to rotate and arrange the vegetable leaves synchronously along with the rotation of the material receiving assembly (32); the heat insulation box (321) and the conveying assembly a (21) can be arranged in a fitting mode, and the drying platform (322) is located above the conveying assembly a (21) when the heat insulation box and the conveying assembly a (21) are fitted; and

the pesticide spraying device (5) comprises a spraying assembly (51) which is vertically moved in the preheating zone (11) and can spray a dehydration auxiliary agent to the vegetable leaves in the heat insulation box (321) and below the drying platform (322), and a driving assembly (52) which is in power connection with the spraying assembly (51) and the conveying assembly a (21).

2. The vegetable drying apparatus as set forth in claim 1, the mounting assembly (31) comprises a cross rod (311) fixedly mounted on the conveying assembly b (22), a sleeve (312) slidably arranged in the middle of the cross rod (311), a moving plate (313) fixedly mounted at the bottom of the sleeve (312), two groups of optical shafts (314) symmetrically and fixedly mounted at two ends of the moving plate (313) and slidably arranged on the cross rod (311), a rotating shaft (315) rotatably mounted in the sleeve (312), a gear a (316) coaxially fixed with the rotating shaft (315), a rack a (317) arranged in the drying area a (12) and capable of being meshed with the gear a (316), and limiting plates (318) respectively fixedly arranged above the conveying assembly a (21) and in the drying area b (22) and capable of being abutted against the top of the rotating shaft (315); the optical axis (314) is elastically connected with the cross rod (311).

3. The vegetable drying device of claim 2, wherein the feeding mechanism (323) comprises a rotating roller a (3231) rotatably installed at the feeding port of the heat insulation box (321), a gear b (3232) coaxially fixed with the rotating roller a (3231) and rotatably installed at the side surface of the heat insulation box (321), a plurality of sets of racks b (3233) distributed along the revolving path array of the conveying assembly a (21) and respectively provided to be meshed with the gear b (3232), and a rack c (3234) provided corresponding to the limiting plate (318) at the drying zone b (22) and provided to be meshed with the gear b (3232).

4. A vegetable drying device as claimed in claim 3, characterized in that said rolling mechanism (324) comprises a plurality of groups of rotating rollers b (3241) distributed on said drying table (322) in array, a sprocket transmission unit (3242) for synchronously driving and connecting a plurality of groups of said rotating rollers b (3241), a synchronizing wheel unit (3243) for dynamically connecting said rotating rollers a (3231) and said sprocket transmission assembly (3242), and a rack group (3244) arranged in said drying zone b (13) and located at the rear side of said limiting plate (318); the rack group (3244) comprises racks d (32441) which are arranged along the advancing direction of the gear b (3232) in a vertically staggered mode and can be meshed with the gear b (3232).

5. The vegetable drying device of claim 1, wherein the arranging mechanism (325) comprises a mounting plate (3251), a plurality of sets of rotating rollers c (3252) which are distributed in a radial direction and are rotatably mounted in the mounting plate (3251), a friction bar (3253) which is spirally and circularly arranged on the rotating rollers c (3252) and protrudes out of the plane of the mounting plate (3251), a gear d (3254) which is coaxially fixed corresponding to the rotating rollers c (3252), and a gear ring (3255) which is rotatably mounted at the center of the mounting plate (3251) and is meshed with the plurality of sets of gears d (3254).

6. The vegetable drying device as claimed in claim 5, characterized in that the lower mounting plate (3251) is fixedly mounted at the bottom of the heat insulation box (321), and the upper mounting plate (3251) is slidably disposed in the heat insulation box (321) up and down and is connected with the inner wall of the top of the heat insulation box (321) through a spring.

7. The vegetable drying apparatus of claim 5, wherein the synchronizing mechanism (326) comprises a rotation shaft (3261) rotatably installed at one side of the heat insulation box (321), a driving wheel assembly a (3262) drivingly connecting the rotation shaft (3261) and the gear ring (3255) at the lower side, a gear e (3263) rotatably installed at the top of the heat insulation box (321), a driving wheel assembly b (3264) drivingly connecting the gear e (3263) with the rotation shaft (3261), and a power unit (3265) which is power-connected with the gear ring (3255) at the upper side and can drive the gear e (3263) to rotate.

8. The vegetable drying device of claim 7, wherein the power unit (3265) comprises a connecting shaft (32651) coaxially fixed with the upper gear ring (3255) and slidably arranged on the heat insulation box (321), a gear f (32652) coaxially and fixedly installed at the top end of the connecting shaft (32651) and capable of being meshed with the gear e (3263), a baffle plate (32653) fixedly installed on the installation assembly (31) and capable of being abutted against the gear f (32652), and a plurality of sets of arc-shaped racks (32654) arranged at the bottom of the baffle plate (32653) and capable of being meshed with the gear f (32652).

9. The vegetable drying equipment as claimed in claim 1, characterized in that the spraying assembly (51) is arranged on a workbench (511) below the oven (1), a sliding frame (512) which is arranged on the workbench (511) in a vertically sliding manner, material guiding holes (513) which are symmetrically formed on the left and right side walls of the heat insulation box (321) and communicated with a vegetable leaf arranging area, two groups of material conveying pipes a (514) which are fixedly arranged on the sliding frame (512) and can be communicated with the material guiding holes (513) in an aligning manner, a material conveying pipe b (515) which is correspondingly communicated with the material conveying pipes a (514) and is correspondingly arranged with the drying platform (322), and a material receiving groove (517) which is connected with the material conveying pipes a (514) through hoses and is arranged at the rear side of the workbench (511) along the conveying direction of the conveying assembly b (22); the material conveying pipe b (515) comprises a plurality of groups of guide pipes (5151) which are arrayed in the vertical direction and have openings facing one side of the drying table (322).

10. The vegetable drying apparatus of claim 9, wherein the driving assembly (52) comprises a limiting disc (521) rotatably installed below the working table (511) and disposed to abut against a bottom end of the sliding frame (512), and a belt assembly (522) for power connection of the limiting disc (521) and the conveying assembly a (21), the limiting disc (521) comprising an engaging portion (5211) and a protruding portion (5212) disposed at an edge thereof in a rotating direction thereof.