CN112754039A - Hot air tunnel circulation fruit and vegetable dryer and method - Google Patents

Hot air tunnel circulation fruit and vegetable dryer and method Download PDF

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Publication number
CN112754039A
CN112754039A CN202110058159.9A CN202110058159A CN112754039A CN 112754039 A CN112754039 A CN 112754039A CN 202110058159 A CN202110058159 A CN 202110058159A CN 112754039 A CN112754039 A CN 112754039A
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China
Prior art keywords
frame
pulley
sliding
vertical
gear
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CN202110058159.9A
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Chinese (zh)
Inventor
谢文金
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谢文金
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Application filed by 谢文金 filed Critical 谢文金
Priority to CN201711443683.8A priority Critical patent/CN108158002B/en
Priority to CN202110058159.9A priority patent/CN112754039A/en
Publication of CN112754039A publication Critical patent/CN112754039A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23NMACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
    • A23N12/00Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
    • A23N12/08Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for drying or roasting
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23NMACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
    • A23N12/00Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
    • A23N12/08Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for drying or roasting
    • A23N12/12Auxiliary devices for roasting machines
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23NMACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
    • A23N12/00Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
    • A23N12/08Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for drying or roasting
    • A23N12/12Auxiliary devices for roasting machines
    • A23N12/125Accessories or details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/02Food
    • G01N33/025Fruits or vegetables

Abstract

The invention discloses a hot air tunnel circulation fruit and vegetable dryer and a method, the structure of the dryer comprises a frame, a workbench, a conveying system, a moisture exhaust port, a blowing unit, a motor, a circulation air duct, an air equalizer and an air volume adjusting system, wherein the conveying system is transversely and movably connected with the frame and the upper part of an inner cavity of the workbench, the blowing unit is uniformly and equidistantly distributed on the lower end surface of the conveying system, the circulation air duct is transversely and fixedly connected with the frame and the lower part of the inner cavity of the workbench, and the air volume adjusting system is movably connected with the frame and the lower part of the inner cavity of the workbench. The practical performance of the equipment is effectively improved.

Description

Hot air tunnel circulation fruit and vegetable dryer and method
The invention relates to a divisional application of a high-efficiency hot air tunnel circulation fruit and vegetable dryer, which is applied for 12 months and 27 days in 2017 and has the application number of CN 201711443683.8.
Technical Field
The invention discloses a hot air tunnel circulation fruit and vegetable dryer and a method, and belongs to the technical field of fruit and vegetable dryer manufacturing.
Background
At present, the drying mode that fruit vegetables food and agricultural product processing adopted is usually for boiler steam drying, and this kind of drying mode leads to boiler temperature not invariable easily because the atmospheric pressure in the boiler is unstable, often needs to rely on manual operation to satisfy constant temperature, and the damp and hot gas in the drying chamber is difficult to handle moreover, can not cyclic utilization, can influence drying quality and drying time more. The traditional boiler steam drying adopts electric heating or combustion heating, and energy waste is very large. Part of fruits and vegetables are generally dried directly, are greatly influenced by weather and are easy to deteriorate; the combustion heating drying wastes resources, a large amount of fruits and vegetables cannot be dried at one time, and hot air tunnel circulation drying aims at overcoming the defects, and a hot air tunnel circulation fruit and vegetable drying machine and a hot air tunnel circulation fruit and vegetable drying method are needed.
However, in the prior art, although the cost is low, the energy consumption is low and the volume is small in the process of performing hot air tunnel circulation drying operation on fruits and vegetables, certain humidity sensing operation cannot be performed on the fruits and vegetables which are about to leave an equipment conveying system, and certain air volume adjusting treatment cannot be performed when the humidity is too high, so that the drying effect cannot reach the expectation, the subsequent fruit and vegetable processing work is influenced, and the practicability is not sufficient.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a hot air tunnel circulation fruit and vegetable dryer and a hot air tunnel circulation drying method, so as to solve the problems that in the process of carrying out hot air tunnel circulation drying operation on fruits and vegetables, although the cost is low, the energy consumption is low, the size is small, certain humidity induction operation cannot be carried out on the fruits and vegetables which are about to leave an equipment conveying system, and certain air volume adjustment treatment cannot be carried out when the humidity is too high, the drying effect cannot reach the expectation possibly, the subsequent fruit and vegetable processing work is influenced, and the practicability is insufficient in the prior art.
In order to achieve the purpose, the invention is realized by the following technical scheme: a hot air tunnel circulation fruit and vegetable dryer and a method thereof, the structure of which comprises a frame, a workbench, a conveying system, a moisture exhaust port, a blowing unit, a motor, a circulation air duct, an air equalizer and an air volume adjusting system, wherein the workbench is fixedly welded on the surface of the right end of the frame, cavities are arranged inside the frame and the workbench, the conveying system is transversely and movably connected to the upper part of the inner cavity of the frame and the workbench, the moisture exhaust port is embedded into the right lower part of the front end surface of the frame, the blowing unit is uniformly and equidistantly distributed on the lower end surface of the conveying system, the circulation air duct is transversely and fixedly connected to the lower part of the inner cavity of the frame and the workbench, the motor is fixedly connected to the leftmost part of the upper end surface of the circulation air duct, the air equalizer is vertically connected to the lower end surface of the conveying system, the air volume adjusting system is movably connected to the lower, the air volume adjusting system comprises a humidity sensing control system, a gear transmission device, a sliding transmission structure, a pulley connecting mechanism, a control opening and closing structure and an air volume adjusting device, wherein the humidity sensing control system is movably connected to the middle of an inner cavity of the workbench, the gear transmission device is movably connected to the rightmost position of the inner cavity of the rack, the sliding transmission structure is vertically connected to the right middle position of the inner bottom surface of the rack through a prepressing bolt, the left half part of the pulley connecting mechanism is vertically connected to the left part of the lower end surface of the blowing unit, the right half part of the pulley connecting mechanism is vertically connected to the middle of the inner bottom surface of the rack, the control opening and closing structure is vertically connected to the left part of the inner bottom surface of the rack, the air volume adjusting device is fixedly connected to the lower end surface of the air equalizer, and the humidity sensing control, The humidity sensor is fixedly connected to the rightmost position of the lower end surface of the conveying system, the signal conversion controller is fixedly connected to the middle-lower position of the inner right surface of the workbench and electrically connected through a connecting wire, the control rotating shaft is mechanically connected to the middle of the front end surface of the signal conversion controller, the rotating frame is movably nested on the outer side surface of the control rotating shaft and extends to the left side of the control rotating shaft, and the connecting shaft is fixedly connected to the leftmost position of the outer side surface of the rotating frame.
Further, gear drive comprises first spring structure, first drive frame, first interior pulley, meshing tooth, gear fixing frame, gear, the teeth of a cogwheel, first spring structure vertical connection is in the interior bottom surface rightmost department of frame, first drive frame swing joint is in the upper end surface of first spring structure, pulley swing joint is middle and upper department in the inside cavity of first drive frame in first, the even equidistance of meshing tooth distributes in the left end surface of first drive frame, the gear fixing frame is connected perpendicularly in the interior top surface of frame right side department, gear swing joint is in the lower extreme surface of gear fixing frame, the even equidistance of teeth of a cogwheel distributes in the outside surface edge of gear.
Further, the slip transmission structure comprises second spring structure, second transmission frame, fixed connection frame, first vertical slide rail, slip connecting axle, second spring structure connects perpendicularly in the middle of the interior top surface of frame, the vertical swing joint of second transmission frame is in the lower extreme surface of second spring structure, fixed connection frame fixed connection just extends to the left side of second transmission frame in the front end surface lower part of second transmission frame, first vertical slide rail passes through prepressing bolt and connects perpendicularly in the middle of the interior bottom surface of frame, the vertical sliding connection of slip connecting axle is in the spout of first vertical slide rail and its left end surface with fixed connection frame is connected.
Further, pulley coupling mechanism comprises vertical mount, outer fixed frame, slant fixed plate, first pulley mount, first pulley, second pulley mount, second pulley, vertical slide rail of vertical mount passes through pre-compaction bolt vertical connection in the interior bottom of frame left side department, outer fixed frame fixed welding is in the upper end surface of vertical mount, slant fixed plate slant fixed connection is in the upper left end surface of outer fixed frame, first pulley mount is connected perpendicularly in the lower extreme of the left end surface of slant fixed plate, first pulley swing joint is in the left end surface of first pulley mount, second pulley mount passes through pre-compaction bolt vertical connection in the interior top surface left part of frame, second pulley swing joint is in the lower extreme surface of second pulley mount.
Further, control opening and closing structure comprises bottom mount, the vertical slide rail of second, spout structure, sliding block, second inner pulley, sliding control frame, bottom mount fixed connection is in the interior bottom surface leftmost department of frame, the vertical slide rail of second is connected perpendicularly in the upper end surface of bottom mount, the spout structure imbeds in the front end surface left and right portion of the vertical slide rail of second, the vertical sliding connection of sliding block is in the inboard surface of spout structure, sliding connection is in the inside cavity of sliding block in the second, sliding control frame is connected perpendicularly in the left end surface of sliding block.
Furthermore, the air volume adjusting device is composed of an air volume adjuster, a sensitive switch element and an electrified metal block, the air volume adjuster is fixedly connected to the lower end surface of the air equalizer, the sensitive switch element is fixedly connected to the middle of the left end surface of the second vertical slide rail and is in an electric connection state with the air volume adjuster through a connecting wire, and the electrified metal block is fixedly connected to the leftmost position of the upper end surface of the sliding control frame.
Further, the outside surface of connecting axle, first interior pulley all moves about nested and has the connection rope, through connecting rope swing joint between connecting axle, the first interior pulley, through the meshing effect swing joint between the meshing tooth and the teeth of a cogwheel between first transmission frame, gear, the second transmission frame, the outside surface of pulley all moves about nested and has the connection rope in slip connecting axle, first pulley, the second pulley second, through connecting rope swing joint in slip connecting axle, first pulley, the second pulley second.
Furthermore, the humidity sensor performs certain humidity sensing operation on fruits, vegetables and the like at the upper end of the conveying system and transmits signals to the signal conversion controller, the signal conversion controller controls the rotating frame to rotate downwards around the control rotating shaft under the condition of overhigh humidity, the connecting shaft drives the first inner sliding wheel to move downwards and enables the first transmission frame to press the first spring structure downwards, so that the gear rotates under the meshing action between the meshing teeth and the gear teeth, the second transmission frame moves upwards at the same time and drives the fixed connecting frame to move upwards, the sliding connecting shaft moves upwards along the first vertical sliding rail and drives the connecting rope on the outer side surface of the sliding connecting shaft to move upwards, the connecting ropes on the outer side surfaces of the first pulley and the second inner sliding wheel of the second pulley are sequentially pulled, then the sliding block is pulled upwards along the second vertical sliding rail, and the sliding control frame moves upwards along with the sliding connecting rope until the electrified metal block reaches the touch sensitive switch element and enables the air volume regulator to move upwards And electrifying and starting.
Advantageous effects
The invention provides a hot air tunnel circulation fruit and vegetable dryer and a method thereof, which can carry out certain humidity induction operation on fruits and vegetables which are about to leave an equipment conveying system and certain air volume adjustment treatment when the humidity is overhigh in the hot air tunnel circulation drying operation process of the fruits and vegetables by arranging an air volume adjusting system, in particular to a humidity sensor which carries out certain humidity induction operation on the fruits and vegetables and the like at the upper end of the conveying system and transmits signals to a signal conversion controller, the signal conversion controller controls a rotating frame to rotate downwards around a control rotating shaft under the condition of overhigh humidity, a connecting shaft drives a first inner pulley downwards and enables a first transmission frame to press a first spring structure downwards, so that a gear rotates under the meshing action between meshing teeth and gear teeth, a second transmission frame moves upwards simultaneously and drives a fixed connecting frame upwards, the sliding connecting shaft moves upwards along the first vertical sliding rail and drives the connecting rope on the outer side surface of the sliding connecting shaft to move upwards, the connecting rope on the outer side surface of the sliding wheel in the first pulley and the second pulley is pulled in sequence, then the sliding block is pulled upwards along the second vertical sliding rail, the sliding control frame moves upwards along with the sliding connecting shaft until the electrified metal block touches the sensitive switch element and the air volume regulator is electrified to be opened, the drying effect can be expected, the subsequent fruit and vegetable processing work can be smoothly carried out, and the practicability of the equipment is effectively improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic perspective view of a hot air tunnel circulation fruit and vegetable dryer and a method thereof.
Fig. 2 is a schematic plan view of the frame and the worktable of the present invention.
Fig. 3 is a schematic plan view of the conveying system and the air volume adjusting system of the present invention.
Fig. 4 is a schematic plan view of another working state of the conveying system and the air volume adjusting system of the present invention.
In the figure: the device comprises a rack-1, a workbench-2, a conveying system-3, a moisture exhaust port-4, a blowing unit-5, a motor-6, a circulating air duct-7, an air equalizer-8, an air volume adjusting system-9, a humidity sensing control system-91, a gear transmission device-92, a sliding transmission structure-93, a pulley connecting mechanism-94, a control opening and closing structure-95, an air volume adjusting device-96, a humidity sensor-911, a signal conversion controller-912, a control rotating shaft-913, a rotating frame-914, a connecting shaft-915, a first spring structure-921, a first rotating frame-922, a first inner pulley-923, a meshing tooth-924, a gear fixing frame-925, a gear-926, a gear tooth-927, a second spring structure-931, The device comprises a second transmission frame-932, a fixed connecting frame-933, a first vertical sliding rail-934, a sliding connecting shaft-935, a vertical fixing frame-941, an outer fixing frame-942, a slant fixing plate-943, a first pulley fixing frame-944, a first pulley-945, a second pulley fixing frame-946, a second pulley-947, a bottom end fixing frame-951, a second vertical sliding rail-952, a sliding groove structure-953, a sliding block-954, a second inner pulley-955, a sliding control frame-956, an air volume regulator-961, a sensitive switch element-962 and a power-on metal block-963.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-4, the invention provides a hot air tunnel circulation fruit and vegetable dryer and a method thereof, the structure of which comprises a frame 1, a workbench 2, a conveying system 3, a moisture exhaust port 4, a blowing unit 5, a motor 6, a circulation air duct 7, an air equalizer 8 and an air volume adjusting system 9, wherein the workbench 2 is fixedly welded on the right end surface of the frame 1, a cavity is arranged inside the frame 1 and the workbench 2, the conveying system 3 is transversely and movably connected to the upper part of the cavity inside the frame 1 and the workbench 2, the moisture exhaust port 4 is embedded in the right lower part of the front end surface of the frame 1, the blowing unit 5 is uniformly and equidistantly distributed on the lower end surface of the conveying system 3, the circulation air duct 7 is transversely and fixedly connected to the lowest part of the cavity inside the frame 1 and the workbench 2, the motor 6 is fixedly connected to the leftmost part of the upper end surface of the circulation air duct 7, the air equalizer 8 is vertically connected to the lower end surface of the conveying system 3, the air volume adjusting system 9 is movably connected to the lower middle part of the inner cavity of the frame 1 and the workbench 2, the air volume adjusting system 9 is composed of a humidity sensing control system 91, a gear transmission device 92, a sliding transmission structure 93, a pulley connecting mechanism 94, a control opening and closing structure 95 and an air volume adjusting device 96, the humidity sensing control system 91 is movably connected to the middle part of the inner cavity of the workbench 2, the gear transmission device 92 is movably connected to the rightmost part of the inner cavity of the frame 1, the sliding transmission structure 93 is vertically connected to the right middle part of the inner bottom surface of the frame 1 through a pre-pressing bolt, the left half part of the pulley connecting mechanism 94 is vertically connected to the left part of the lower end surface of the blowing unit 5, the right half part of the pulley connecting mechanism is vertically connected to the middle part of the inner bottom surface of the frame 1, the control opening, the air volume adjusting device 96 is fixedly connected to the lower end surface of the air equalizer 8, the humidity sensing control system 91 is composed of a humidity sensor 911, a signal conversion controller 912, a control rotating shaft 913, a rotating frame 914 and a connecting shaft 915, the humidity sensor 911 is fixedly connected to the rightmost position of the lower end surface of the conveying system 3, the signal conversion controller 912 is fixedly connected to the lower middle position of the inner right surface of the workbench 2, the humidity sensor 911 and the signal conversion controller 912 are electrically connected through a connecting wire, the control rotating shaft 913 is mechanically connected to the middle position of the front end surface of the signal conversion controller 912, the rotating frame 914 is movably nested on the outer side surface of the control rotating shaft 913 and extends to the left side of the control rotating shaft 913, the connecting shaft 915 is fixedly connected to the leftmost position of the outer side surface of the rotating frame 914, and the gear transmission device 92 is composed of a first, First driving frame 922, first interior pulley 923, meshing tooth 924, gear fixing frame 925, gear 926, teeth of a cogwheel 927 constitute, first spring structure 921 vertical connection is in the interior bottom surface rightmost department of frame 1, first driving frame 922 swing joint is in the upper end surface of first spring structure 921, first interior pulley 923 swing joint is in the middle-upper department of the inside cavity of first driving frame 922, the even equidistance of meshing tooth 924 distributes in the left end surface of first driving frame 922, gear fixing frame 925 is vertical connection in the interior top surface of frame 1 right department, gear 926 swing joint is in the lower extreme surface of gear fixing frame 925, the even equidistance of teeth of a cogwheel 926 7 distributes in the outside surface edge of gear, slip transmission structure 93 comprises second spring structure 931, second driving frame 932, fixed connection frame 933, first vertical slide rail 934, slip 935, the second spring structure 931 is vertically connected to the middle of the inner top surface of the frame 1, the vertical movable connection of the second transmission frame 932 is on the lower end surface of the second spring structure 931, the fixed connection frame 933 is fixedly connected to the lower portion of the front end surface of the second transmission frame 932 and extends to the left side of the second transmission frame 932, the first vertical slide rail 934 is vertically connected to the middle of the inner bottom surface of the frame 1 through a pre-pressing bolt, the sliding connection shaft 935 is vertically connected to the chute of the first vertical slide rail 934 and is connected to the left end surface of the fixed connection frame 933, the pulley connection mechanism 94 is composed of a vertical fixing frame 941, an outer fixing frame 942, an oblique fixing plate 943, a first pulley fixing frame 944, a first pulley 945, a second pulley fixing frame 946 and a second pulley 947, the vertical slide rail 934 of the vertical fixing frame 941 is vertically connected to the left position in the inner bottom surface of the frame 1 through a pre-pressing, the outer fixing frame 942 is fixedly welded to the upper end surface of a vertical fixing frame 941, the slant fixing plate 943 is fixedly connected to the left upper end surface of the outer fixing frame 942 in a slant manner, the first pulley fixing frame 944 is vertically connected to the lowermost position of the left end surface of the slant fixing plate 943, the first pulley 945 is movably connected to the left end surface of the first pulley fixing frame 944, the second pulley fixing frame 946 is vertically connected to the left portion of the inner top surface of the rack 1 through a pre-pressing bolt, the second pulley 947 is movably connected to the lower end surface of the second pulley fixing frame 946, the control opening and closing structure 95 is composed of a bottom fixing frame 951, a second vertical sliding rail 952, a sliding groove structure 953, a sliding block 954, a second inner pulley 955 and a sliding control frame 956, the bottom fixing frame 951 is fixedly connected to the leftmost position of the inner bottom surface of the rack 1, and the second vertical sliding rail 952 is vertically connected to the, the chute structure 953 is embedded in the left and right parts of the front end surface of the second vertical sliding rail 952, the sliding block 954 is vertically slidably connected to the inner side surface of the chute structure 953, the second inner pulley 955 is slidably connected in the inner cavity of the sliding block 954, the sliding control frame 956 is vertically connected to the left end surface of the sliding block 954, the air volume adjusting device 96 is composed of an air volume adjuster 961, a sensitive switch element 962 and a powered metal block 963, the air volume adjuster 961 is fixedly connected to the lower end surface of the air equalizer 8, the sensitive switch element 962 is fixedly connected to the middle of the left end surface of the second vertical sliding rail 952 and is electrically connected with the air volume adjuster 961 through a connecting wire, the powered metal block 963 is fixedly connected to the leftmost part of the upper end surface of the sliding control frame 956, the connecting wire and the outer side surface of the first inner pulley 923 are movably nested with a connecting rope, the connecting shaft 915 and the first inner pulley 923 are movably connected through a connecting rope, the first transmission frame 922, the gear 926 and the second transmission frame 932 are movably connected through a meshing action between the meshing teeth 924 and the gear teeth 927, the outer side surfaces of the sliding connecting shaft 935, the first pulley 945 and the second inner pulley 955 of the second pulley 947 are movably nested with the connecting rope, the sliding connecting shaft 935, the first pulley 945 and the second inner pulley 955 of the second pulley 947 are movably connected through the connecting rope, the humidity sensor 911 performs certain humidity sensing operation on fruits and vegetables and the like at the upper end of the conveying system 3 and transmits signals to the signal conversion controller 912, the signal conversion controller 912 controls the rotating frame 914 to rotate downwards around the control rotating shaft 915 under the condition of overhigh humidity, the connecting shaft drives the first inner pulley 923 to downwards and enables the first transmission frame 922 to downwards press the first spring structure 921, therefore, the gear 926 rotates under the engagement action between the engaging teeth 924 and the gear teeth 927, the second transmission frame 932 moves upwards at the same time and drives the fixed connection frame 933 upwards, the sliding connection shaft 935 then moves upwards along the first vertical slide rail 934 and drives the connection rope on the outer side surface of the first pulley 945, the second pulley 947 and the second inner pulley 955, the connection rope on the outer side surface of the first pulley 945 and the second pulley 947 is pulled sequentially, the sliding block 954 is pulled upwards along the second vertical slide rail 952, and the sliding control frame 956 moves upwards until the energized metal block 963 touches the sensitive switch element 962 and the air volume regulator 961 is energized to be opened.
The air volume regulator is used for regulating the air volume of the branch pipe, can also be used for mixed regulation of fresh air and return air, has good air tightness, has the relative air leakage volume of about 5 percent, and has good regulation performance.
When the device is used, whether the appearance of the device is intact or not is firstly checked, whether all parts are stably connected or not is checked, after the device is confirmed to be intact, the device is placed at a proper position, the fruit and vegetable raw materials to be dried are placed on a conveying system 3 of the device, a connecting wire of the device is connected with a power supply, a blowing unit 5 and a motor 6 of the device are started, a moisture discharging port 4 is ensured to be in a proper working state, a humidity sensor 911 conducts certain humidity sensing operation on the fruit and vegetable and the like at the upper end of the conveying system 3 and transmits a signal to a signal conversion controller 912, the signal conversion controller 912 controls a rotating frame 914 to rotate downwards around a control rotating shaft 913 under the condition of overhigh humidity, the connecting shaft 915 drives a first inner pulley 923 to move downwards and enables a first spring structure 921 to be pressed downwards by a first transmission frame 922, so that a gear 926 rotates under the meshing action between a meshing gear 924 and a gear 927, and the second transmission frame 932 moves, the sliding connection shaft 935 moves up along the first vertical slide rail 934 and drives the connection rope on the outer surface of the first vertical slide rail 955, the connection ropes on the outer surfaces of the first pulley 945 and the second pulley 947 and the second inner pulley 955 are sequentially pulled, the sliding block 954 is pulled up along the second vertical slide rail 952, the sliding control frame 956 moves up until the energizing metal block 963 touches the sensitive switch element 962 and the air volume regulator 961 is energized to be turned on, and then the device can start to work normally.
The invention solves the problem that in the process of hot air tunnel circulation drying operation of fruits and vegetables in the prior art, although the cost is low, the energy consumption is low, the volume is small, but the certain humidity induction operation can not be carried out on the fruits and vegetables which are about to leave from an equipment conveying system and the certain air quantity regulation treatment can be carried out when the humidity is too high, the drying effect can not reach the expectation, the subsequent fruit and vegetable processing work is influenced, and the practical performance is not enough. The signal conversion controller controls the rotating frame to rotate downwards around the control rotating shaft under the condition of overhigh humidity, the connecting shaft drives the first inner sliding wheel to move downwards and enables the first transmission frame to press the first spring structure downwards, so that the gear rotates under the meshing action between the meshing teeth and the gear teeth, the second transmission frame moves upwards simultaneously and drives the fixed connection frame to move upwards, the sliding connection shaft moves upwards along the first vertical sliding rail and drives the connection rope on the outer side surface of the sliding connection shaft to move upwards, the connection ropes on the outer side surface of the first pulley and the second inner sliding wheel of the second pulley are pulled in sequence, so that the sliding block is pulled upwards along the second vertical sliding rail, the sliding control frame moves upwards along the sliding connection shaft until the electrified metal block touches the sensitive switch element and enables the air volume regulator to be electrified and opened, the drying effect can be expected, and the subsequent fruit and vegetable processing work can be carried out smoothly, the practical performance of the equipment is effectively improved.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides an efficient hot-blast tunnel circulation fruit vegetables drying-machine, its structure includes frame (1), workstation (2), conveying system (3), hydrofuge mouth (4), unit (5), motor (6), circulating air duct (7), wind equalizer (8), air regulation system (9), its characterized in that:
the workbench (2) is fixedly welded on the right end surface of the frame (1), a cavity is arranged inside the frame (1) and the workbench (2), the conveying system (3) is transversely and movably connected to the middle upper part of the inner cavities of the rack (1) and the workbench (2), the moisture discharging openings (4) are embedded in the right lower part of the front end surface of the rack (1), the blowing units (5) are uniformly and equidistantly distributed on the lower end surface of the conveying system (3), the circulating air duct (7) is transversely and fixedly connected with the lowest part of the inner cavities of the rack (1) and the workbench (2), the motor (6) is fixedly connected to the leftmost part of the upper end surface of the circulating air duct (7), the air-equalizing device (8) is vertically connected with the lower end surface of the conveying system (3), the air volume adjusting system (9) is movably connected to the middle lower part of the inner cavity of the rack (1) and the workbench (2);
the air volume adjusting system (9) is composed of a humidity sensing control system (91), a gear transmission device (92), a sliding transmission structure (93), a pulley connecting mechanism (94), a control opening and closing structure (95) and an air volume adjusting device (96), wherein the humidity sensing control system (91) is movably connected to the middle of an inner cavity of the workbench (2), the gear transmission device (92) is movably connected to the rightmost position of the inner cavity of the rack (1), the sliding transmission structure (93) is vertically connected to the right-middle position of the inner bottom surface of the rack (1) through a prepressing bolt, the left half part of the pulley connecting mechanism (94) is vertically connected to the left part of the lower end surface of the blowing unit (5), the right half part of the pulley connecting mechanism is vertically connected to the middle position of the inner bottom surface of the rack (1), the control opening and closing structure (95) is vertically connected to the left part of the inner bottom surface of, the air volume adjusting device (96) is fixedly connected to the lower end surface of the air equalizer (8);
the humidity sensing control system (91) is composed of a humidity sensor (911), a signal conversion controller (912), a control rotating shaft (913), a rotating frame (914) and a connecting shaft (915), wherein the humidity sensor (911) is fixedly connected to the rightmost position of the lower end surface of the conveying system (3), the signal conversion controller (912) is fixedly connected to the middle lower position of the inner right surface of the workbench (2), the humidity sensor (911) and the signal conversion controller (912) are electrically connected through a connecting wire, the control rotating shaft (913) is mechanically connected to the middle position of the front end surface of the signal conversion controller (912), the rotating frame (914) is movably nested on the outer side surface of the control rotating shaft (913) and extends to the left side of the control rotating shaft (913), and the connecting shaft (915) is fixedly connected to the leftmost position of the outer side surface of the rotating frame (914);
the gear transmission device (92) consists of a first spring structure (921), a first transmission frame (922), a first inner pulley (923), meshing teeth (924), a gear fixing frame (925), a gear (926) and gear teeth (927), the first spring structure (921) is vertically connected to the rightmost position of the inner bottom surface of the frame (1), the first transmission rack (922) is movably connected to the upper end surface of the first spring structure (921), the first inner pulley (923) is movably connected to the middle upper part of the inner cavity of the first transmission frame (922), the meshing teeth (924) are uniformly and equidistantly distributed on the left end surface of the first transmission frame (922), the gear fixing frame (925) is vertically connected to the middle right part of the inner top surface of the frame (1), the gear (926) is movably connected with the lower end surface of the gear fixing frame (925), the gear teeth (927) are evenly and equidistantly distributed at the edge of the outer side surface of the gear (926).
2. The efficient hot air tunnel circulation fruit and vegetable dryer as claimed in claim 1, wherein: slide transmission structure (93) comprise second spring structure (931), second transmission frame (932), fixed connection frame (933), first vertical slide rail (934), sliding connection axle (935), second spring structure (931) is connected perpendicularly in the middle of the interior top surface of frame (1), the vertical swing joint of second transmission frame (932) is in the lower extreme surface of second spring structure (931), fixed connection frame (933) fixed connection is in the front end surface lower part of second transmission frame (932) and it extends to the left side of second transmission frame (932), first vertical slide rail (934) is connected perpendicularly in the middle of the interior bottom surface of frame (1) through pre-compaction bolt, sliding connection axle (935) vertical sliding connection is in the spout of first vertical slide rail (934) and its left end surface with fixed connection frame (933) is connected.
3. The efficient hot air tunnel circulation fruit and vegetable dryer as claimed in claim 1, wherein: pulley coupling mechanism (94) comprises vertical mount (941), outer fixed frame (942), slant fixed plate (943), first pulley mount (944), first pulley (945), second pulley mount (946), second pulley (947), vertical slide rail (934) of vertical mount (941) passes through pre-compaction bolt vertical connection in the interior bottom of frame (1) left side department, outer fixed frame (942) fixed welding is in the upper end surface of vertical mount (941), slant fixed connection in the upper left end surface of outer fixed frame (942) of slant fixed plate (943), first pulley mount (944) is connected perpendicularly in the lower place of the left end surface of slant fixed plate (943), first pulley (945) swing joint is in the left end surface of first pulley mount (944), second pulley mount (946) passes through pre-compaction bolt vertical connection in the interior top surface left part of frame (1), the second pulley (947) is movably connected to the lower end surface of the second pulley fixing frame (946).
4. The efficient hot air tunnel circulation fruit and vegetable dryer as claimed in claim 1, wherein: control opening and closing structure (95) comprises bottom mount (951), second vertical slide rail (952), spout structure (953), sliding block (954), second interior pulley (955), sliding control frame (956), bottom mount (951) fixed connection is in the leftmost department of the interior bottom surface of frame (1), second vertical slide rail (952) is connected perpendicularly in the upper end surface of bottom mount (951), spout structure (953) imbeds in the front end surface left and right part of second vertical slide rail (952), sliding block (954) vertical sliding connection is in the inboard surface of spout structure (953), pulley (955) sliding connection is in the inside cavity of sliding block (954), sliding control frame (956) is connected perpendicularly in the left end surface of sliding block (954).
5. The efficient hot air tunnel circulation fruit and vegetable dryer as claimed in claim 1, wherein: the air volume adjusting device (96) comprises an air volume regulator (961), a sensitive switch element (962) and an electrified metal block (963), wherein the air volume regulator (961) is fixedly connected to the lower end surface of the air equalizer (8), the sensitive switch element (962) is fixedly connected to the middle of the left end surface of the second vertical sliding rail (952) and is electrically connected with the air volume regulator (961) through a connecting wire, and the electrified metal block (963) is fixedly connected to the leftmost position of the upper end surface of the sliding control frame (956).
6. The efficient hot air tunnel circulation fruit and vegetable dryer as claimed in claim 1, wherein: the outside surface of connecting axle (915), first interior pulley (923) all activity nestification has the connection rope, through connecting rope swing joint between connecting axle (915), first interior pulley (923), between first driving frame (922), gear (926), the second driving frame (932) through meshing effect swing joint between engaging tooth (924) and the teeth of a cogwheel (927), the outside surface of pulley (955) all activity nestification has the connection rope in slip connecting axle (935), first pulley (945), second pulley (947) second, through connecting rope swing joint between slip connecting axle (935), first pulley (945), second pulley (947) second interior pulley (955).
7. The efficient hot air tunnel circulation fruit and vegetable dryer as claimed in claim 1, wherein: the humidity sensor (911) performs certain humidity sensing operation on fruits, vegetables and the like at the upper end of the conveying system (3) and transmits signals to the signal conversion controller (912), the signal conversion controller (912) controls the rotating frame (914) to rotate downwards around the control rotating shaft (913) under the condition of overhigh humidity, the connecting shaft (915) drives the first inner pulley (923) to move downwards and enables the first transmission frame (922) to press the first spring structure (921) downwards, so that the gear (926) rotates under the meshing action between the meshing teeth (924) and the gear teeth (927), the second transmission frame (932) moves upwards at the same time and drives the fixed connecting frame (933) to move upwards, the sliding connecting shaft (935) moves upwards along the first vertical sliding rail (934) and drives the connecting ropes at the outer side surfaces of the sliding connecting shaft to move upwards, the connecting ropes at the outer side surfaces of the first pulley (945) and the second pulley (947) are pulled in turn, the sliding block (954) is pulled upwards along the second vertical sliding rail (952), and the sliding control frame (956) moves upwards until the energizing metal block (963) touches the sensitive switch element (962) and the air volume regulator (961) is energized and opened.
8. The hot air tunnel circulation fruit and vegetable dryer and the method as claimed in any one of claims 1 to 7, wherein:
when the device is used, whether the appearance of the device is intact or not is firstly checked, whether all parts are stably connected or not is judged, after the device is confirmed to be intact, the device is placed at a proper position, the fruit and vegetable raw materials to be dried are placed on a conveying system (3) of the device, a connecting wire of the device is connected with a power supply, a blowing unit (5) and a motor (6) of the device are started, a moisture discharging port (4) is ensured to be in a proper working state, a humidity sensor (911) conducts certain humidity sensing operation on the fruit and vegetable and the like at the upper end of the conveying system (3) and transmits a signal to a signal conversion controller (912), the signal conversion controller (912) controls a rotating frame (914) to rotate downwards around a control rotating shaft (913) under the condition that the humidity is too high, and the connecting shaft (915) drives a first inner pulley (923) to downwards and enables a first transmission frame (922);
therefore, the gear (926) rotates under the meshing action between the meshing teeth (924) and the gear teeth (927), the second transmission frame (932) moves upwards simultaneously and drives the fixed connecting frame (933) to move upwards, the sliding connecting shaft (935) then moves upwards along the first vertical sliding rail (934) and drives the connecting rope on the outer side surface of the first vertical sliding rail (933) to move upwards, the connecting ropes on the outer side surfaces of the first pulley (945) and the second pulley (947) and the second inner pulley (955) are sequentially pulled, then the sliding block (954) is pulled upwards along the second vertical sliding rail (952), the sliding control frame (956) moves upwards along with the sliding connecting shaft until the electrified metal block (963) touches the sensitive switch element (962) and enables the air volume regulator (961) to be electrified, and then the device can start to work normally.
CN202110058159.9A 2017-12-27 2017-12-27 Hot air tunnel circulation fruit and vegetable dryer and method Pending CN112754039A (en)

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CN202420131U (en) * 2011-11-16 2012-09-05 宁国飞鹰汽车零部件股份有限公司 Tunnel drying oven with PLC control device
CN203421922U (en) * 2013-07-25 2014-02-05 扬州福尔喜果蔬汁机械有限公司 Moisture control system of fruit and vegetable dryer
CN203857773U (en) * 2014-05-28 2014-10-01 江苏大运发玻璃制品有限公司 Material drying device
CN104457189B (en) * 2014-11-28 2017-06-13 宝鸡市新起点食品科技发展有限公司 Thermal source built-in double-side heat exchange tunnel type drying room
CN205597081U (en) * 2016-04-11 2016-09-28 三明市鸿达智能农业设备有限公司 Tunnel circulation fruit vegetables drying -machine about hot -blast
CN206160647U (en) * 2016-10-28 2017-05-10 三明市鸿达智能农业设备有限公司 Hot -blast tunnel circulation fruit and vegetable dryer

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