CN112674365B

CN112674365B - Nut roasting device

Info

Publication number: CN112674365B
Application number: CN202011466201.2A
Authority: CN
Inventors: 葛运兵; 温凯; 杨晓丽
Original assignee: Beijing Zhenweifang Food Co ltd
Current assignee: Beijing Zhenweifang Food Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-10-22
Anticipated expiration: 2040-12-14
Also published as: CN112674365A

Abstract

The invention discloses a nut roasting device, comprising: a housing having a rectangular hollow space therein; the conveying assembly is arranged in the cavity and comprises a rotating shaft arranged along the length direction of the cavity, a plurality of cams arranged at intervals along the length direction of the rotating shaft and a conveying belt arranged above the cams, and the rotating shaft is driven to rotate by a first stepping motor arranged outside the shell; a chute is arranged on the side wall of any cam along the circumferential direction of the cam, the bottom surface of the conveyor belt is in sliding clamping connection with the chute, and the conveyor belt is in wave-shaped change under the action of the cam and conveys nuts on the conveyor belt to a discharge end; the heating component is arranged at the bottom of the cavity; the feeding assembly is arranged above the top of the shell and is communicated with the feeding end of the conveying belt; and the discharging assembly is arranged in the middle of the outer side wall of the shell and is communicated with the discharging end of the conveying belt. The nut baking device has the advantages of short drying time, uniform drying and the like.

Description

Nut roasting device

Technical Field

The invention relates to the field of nut processing equipment. More particularly, the present invention relates to a nut roasting apparatus.

Background

In the nut processing process, the cleaned nuts need to be dried in time to avoid mildewing. The existing nut drying mode mainly comprises natural shade drying and drying in a drying room or an oven, wherein the natural shade drying mode is long in drying time and not suitable for large-scale processing, and the drying room or the oven is short in drying time and suitable for large-scale processing requirements, but the problem of uneven drying exists.

Disclosure of Invention

It is an object of the present invention to provide a nut roasting apparatus which can achieve uniform drying of nuts while shortening the drying time.

To achieve the objects and other advantages in accordance with the present invention, there is provided a nut roasting apparatus comprising:

a housing having a rectangular hollow space therein;

the conveying assembly is arranged in the cavity and comprises a rotating shaft arranged along the length direction of the cavity, a plurality of cams arranged at intervals along the length direction of the rotating shaft and a conveying belt arranged above the cams, wherein one end of the rotating shaft is rotatably connected with one side wall of the shell, and the other end of the rotating shaft penetrates through the other opposite side wall of the shell and is driven to rotate by a first stepping motor arranged outside the shell; a chute is arranged on the side wall of any cam along the circumferential direction of the cam, the bottom surface of the conveyor belt is in sliding clamping connection with the chute through a sliding block, and the conveyor belt is in wave-shaped change under the action of the cam and conveys nuts on the conveyor belt to a discharge end;

the heating assembly is arranged at the bottom of the cavity and used for heating the cavity;

the feeding assembly is arranged above the top of the shell, and the discharge end of the feeding assembly extends into the cavity and is communicated with the feeding end of the conveyor belt through a telescopic feeding pipe;

and the discharging assembly is arranged in the middle of one outer side wall of the shell, which is opposite to the first stepping motor, and the feeding end of the discharging assembly extends into the cavity and is communicated with the discharging end of the conveying belt through a telescopic discharging pipe.

Preferably, the nut roasting device further comprises two heat insulation boards which are arranged in the cavity at intervals along the length direction of the cavity, any one heat insulation board is arranged along the width direction of the cavity and is arranged between the cams, an opening for the conveyor belt to move up and down is arranged on each heat insulation board, and the two heat insulation boards divide the cavity into a dehumidifying cavity, a roasting cavity and a cooling cavity in sequence along the conveying direction; the lower part of the cooling cavity is provided with a cooling air inlet communicated with the outside, the top part of the cooling cavity is upwards and inwards condensed to form a first air duct, a first exhaust fan is arranged above the first air duct, and an air inlet of the first exhaust fan is communicated with the first air duct; the bottom of the baking cavity is provided with the heating assembly, the top of the baking cavity is upwards and inwards condensed to form a second air duct, and the top of the second air duct is provided with a plurality of air outlet pipes communicated with the second air duct; the bottom in dehumidification chamber is equipped with the water collector, and the lower part is equipped with the wet wind export with outside intercommunication, and the top is equipped with the second air exhauster, the air intake of second air exhauster pass through the air-supply line with go out the tuber pipe intercommunication, the air outlet with locate the exhaust pipe intercommunication at dehumidification chamber top, be equipped with the exhaust nozzle of opening down on the exhaust pipe.

Preferably, the nut roasting device, the plurality of cams are divided into a plurality of groups of cams, the plurality of groups of cams are circularly arranged along the conveying direction, any group of cams comprises four cams, any one of the cams comprises a shaft hole and four protruding parts, the included angle between the vertex of each two adjacent protruding parts and the connecting line of the center of the shaft hole is a right angle, the four protruding parts are sequentially a first protruding part, a second protruding part, a third protruding part and a fourth protruding part along the clockwise direction, the four cams sequentially slide and clamp the first protruding part, the second protruding part, the third protruding part and the fourth protruding part of the cam with the bottom surface of the conveying belt along the conveying direction, wherein the distance from the vertex of the second protruding part and the vertex of the fourth protruding part to the center of the shaft hole is equal, the distance from the vertex of the first protruding part, the vertex of the second protruding part and the vertex of the third protruding part to the center of the shaft hole is sequentially reduced, and the connecting line of the vertexes of the adjacent first protruding part, second protruding part and third protruding part connected with the conveyor belt is a straight line.

Preferably, the nut roasting device, the conveyor belt comprises an upper conveyor belt, a lower conveyor belt and a plurality of isolation belts, the upper conveyor belt and the lower conveyor belt are identical in structure and are arranged oppositely, the nut roasting device comprises a plurality of conveying plates arranged at intervals along the length direction of the cavity, any conveying plate is arranged along the width direction of the cavity, adjacent conveying plates are hinged through a first connecting piece, the isolation belts are arranged between the upper conveyor belt and the lower conveyor belt at intervals along the width direction of the cavity to separate the space between the upper conveyor belt and the lower conveyor belt into a plurality of conveying channels, any isolation belt is arranged along the length direction of the cavity, the isolation belts comprise a flexible mounting plate and a plurality of partition plates, the flexible mounting plate and the conveying plates are detachably connected through a second connecting piece, and the partition plates are vertically arranged on the flexible mounting plate, and the adjacent partition plates are arranged in a staggered manner along the width direction of the cavity.

Preferably, the nut roasting device, the feeding subassembly is followed the width direction setting of cavity, including the hopper, locate the cuboid shape feeding storehouse of hopper below and locate two hank cages in the feeding storehouse, wherein, two hank cages interval are located in same horizontal plane to by locating the outside second step motor drive of feeding storehouse and rotate in opposite directions.

Preferably, the nut roasting device further comprises a feeding control assembly, which is arranged at the feeding end of the cavity and comprises a positioning rod horizontally arranged on one side, close to the first stepping motor, of the first protrusion of the cam connected with the feeding end of the conveyor belt; the proximity switch sensor is arranged on the upper portion of one side wall of the cavity, the upper portion of the one side wall is connected with the first stepping motor, the proximity switch sensor is electrically connected with the second stepping motor and the first stepping motor, and the distance between the proximity switch sensor and the positioning rod is smaller than or equal to the detection distance of the proximity switch sensor when the first protruding portion connected with the positioning rod rotates to the highest position.

The invention at least comprises the following beneficial effects:

first, through the structure to conveying assembly improves, the length direction interval along the pivot sets up a plurality of cams, locate the conveyer belt cam top and with the circumference slip joint of cam, make the conveyer belt be the wave line change under the effect of cam, make the nut remove the in-process to the discharge end on the conveyer belt, be in constantly rolling state all the time, effectively solved in the nut drying process, local overheat, dry inhomogeneous problem, the even drying of nut has been realized.

The second, separate the cavity for the dehumidification chamber that does not communicate with each other, cure chamber and cooling chamber through the heat insulating board, set up heating element in the bottom that cures the chamber, set up first air exhauster at the top in cooling chamber to the waste heat that will cure the intracavity passes through the leading-in dehumidification intracavity of second air exhauster, when realizing drying, cooling integration, has realized the recycle of heat energy, has effectively reduced the equipment energy consumption.

Third, set up the conveyer belt into by last conveyer belt, lower conveyer belt and a plurality of median are constituteed, the space of going up between conveyer belt and the lower conveyer belt is separated for a plurality of transfer passages by the median, so that the nut distributes more evenly on the conveyer belt, avoid the nut to scatter from the conveyer belt simultaneously, the median can be dismantled with last conveyer belt and lower conveyer belt and be connected, in order to be according to the size of nut, change the median and adjust the interval between the median, the messenger treats roll between the transfer passage that dry nut can be smooth, improve dry homogeneity.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic view of a nut roasting apparatus according to an embodiment of the present invention in a first state;

FIG. 2 is a schematic view of the nut roasting apparatus according to one embodiment of the present invention in a second state;

FIG. 3 is a schematic view of the nut roasting apparatus according to one embodiment of the present invention in a third state;

FIG. 4 is a schematic view of a nut roasting apparatus according to an embodiment of the present invention in a fourth state;

FIG. 5 is a schematic structural view of a cam according to one embodiment of the present invention;

fig. 6 is a schematic view of a coupling structure of an upper/lower conveyer and a separation belt according to an embodiment of the present invention;

fig. 7 is a schematic top view of a feeding assembly according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following examples and the accompanying drawings so that those skilled in the art can practice the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 7, the present invention provides a nut roasting apparatus comprising:

a housing 1, the interior of which is provided with a cuboid cavity;

the conveying assembly is arranged in the cavity and comprises a rotating shaft 2 arranged along the length direction of the cavity, a plurality of cams 3 arranged at intervals along the length direction of the rotating shaft 2 and a conveying belt 4 arranged above the cams 3, wherein one end of the rotating shaft 2 is rotatably connected with one side wall of the shell 1, and the other end of the rotating shaft penetrates through the other opposite side wall of the shell 1 and is driven to rotate by a first stepping motor 5 arranged outside the shell 1; a chute is arranged on the side wall of any cam 3 along the circumferential direction of the cam, the bottom surface of the conveyor belt 4 is in sliding clamping connection with the chute through a sliding block, and the conveyor belt 4 is in wave-shaped change under the action of the cam 3 and conveys nuts on the conveyor belt 4 to a discharge end;

the heating component 6 is arranged at the bottom of the cavity and used for heating the cavity;

the feeding assembly is arranged above the top of the shell 1, and the discharge end of the feeding assembly extends into the cavity and is communicated with the feeding end of the conveyor belt 4 through a telescopic feeding pipe 7;

and the discharging component 8 is arranged in the middle of one outer side wall of the shell 1 opposite to the first stepping motor 5, and the feeding end of the discharging component 8 extends into the cavity and is communicated with the discharging end of the conveying belt 4 through a telescopic discharging pipe 9.

In the above technical solution, a cuboid cavity is provided inside the housing 1, preferably, the housing 1 is also designed to be cuboid in shape; the conveying assembly is arranged in the cavity and specifically comprises a rotating shaft 2, a plurality of cams 3 and a conveying belt 4, wherein the rotating shaft 2 is arranged in the middle of the cavity along the length direction of the cavity, two ends of the rotating shaft 2 are respectively and rotatably connected with two opposite side walls of the cavity through bearings, and one end of the rotating shaft penetrates through the cavity and is connected with an output end of a first stepping motor 5 arranged outside the shell 1 so as to drive the rotating shaft 2 to rotate through the first stepping motor 5; the plurality of cams 3 are fixedly arranged on the rotating shaft 2 at intervals along the length direction of the rotating shaft 2, and a sliding groove is formed in the side wall of any cam 3 along the circumferential direction of the cam; the conveying belt 4 is arranged above the plurality of cams 3, the bottom surface of the conveying belt 4 is in sliding clamping connection with the sliding chute through a sliding block, and the conveying belt 4 changes in a wave shape under the action of the cams 3 and conveys nuts on the conveying belt 4 to the discharging end; the heating assembly is arranged at the bottom of the cavity and used for heating the cavity, the structure of the heating assembly is not limited, as long as the cavity can be heated by controlling the temperature, for example, a heating air pipe is arranged under a bottom conveyor belt of the cavity, a plurality of upward air outlet nozzles are arranged on the heating air pipe at intervals, an air inlet of the heating air pipe is communicated with an air outlet of a temperature control fan arranged outside the shell 1, or the heating air pipe is arranged under the bottom conveyor belt of the cavity, a plurality of upward air outlet nozzles are arranged on the heating air pipe at intervals, an air inlet of the heating air pipe is communicated with an air outlet of an air blower arranged outside the shell 1, and an electric heating pipe is arranged above the heating air pipe and used for heating the air sprayed by the heating air pipe; the feeding assembly is arranged above the top of the shell 1, and the discharging end of the feeding assembly extends into the cavity and is communicated with the feeding end of the conveyor belt 4 through the telescopic feeding pipe 7, so that the telescopic feeding pipe 7 is always connected with the feeding end of the conveyor belt 4 in the up-and-down movement process of the conveyor belt 4; discharging component 8 locates a lateral wall middle part relative with first step motor 5 of casing 1, and discharging component 8's feed end stretches into in the cavity and through the discharge end intercommunication of flexible discharging pipe 9 and conveyer belt 4 to ensure that at conveyer belt 4 up-and-down motion in-process, flexible discharging pipe 9 is connected with the discharge end of conveyer belt 4 all the time.

During the use, put into the feeding subassembly with the nut, first step motor starts, the pivot rotates, it is rotatory to drive the cam, the conveyer belt is the wave change (as shown in fig. 1-4) under the drive of cam, the nut gets into the conveyer belt through feeding subassembly, roll on the inclined plane that the conveyer belt formed, and along with the wave change of conveyer belt, remove to the discharge end of conveyer belt gradually, finally discharge assembly discharges, remove the in-process, heating element heats the cavity in, the realization is to the drying of nut.

According to the invention, the structure of the conveying assembly is improved, the cams are arranged at intervals along the length direction of the rotating shaft, the conveying belt is arranged above the cams and is clamped with the cams in a sliding manner in the circumferential direction, so that the conveying belt is changed in a wavy line under the action of the cams, nuts are always in a continuously rolling state in the process of moving to the discharge end on the conveying belt, the problems of local overheating and uneven drying in the nut drying process are effectively solved, and uniform drying of the nuts is realized.

In another technical scheme, the nut roasting device further comprises two heat insulation plates 10 which are arranged in the cavity at intervals along the length direction of the cavity, any one heat insulation plate 10 is arranged along the width direction of the cavity and is arranged between the cams 3, an opening for the up-and-down movement of the conveyor belt is arranged on the heat insulation plate 10, and the cavity is sequentially divided into a dehumidifying cavity 11, a roasting cavity 12 and a cooling cavity 13 along the conveying direction by the two heat insulation plates 10; the lower part of the cooling cavity 13 is provided with a cooling air inlet 14 communicated with the outside, the top part of the cooling cavity is upwards and inwards condensed to form a first air duct 15, a first exhaust fan 16 is arranged above the first air duct 15, and an air inlet of the first exhaust fan 16 is communicated with the first air duct 15; the bottom of the baking cavity 12 is provided with the heating assembly 6, the top of the baking cavity is upwards and inwards condensed to form a second air duct 17, and the top of the second air duct 17 is provided with a plurality of air outlet pipes 18 communicated with the second air duct 17; the bottom of dehumidification chamber 11 is equipped with water collector 19, and the lower part is equipped with the wet wind export 20 with outside intercommunication, and the top is equipped with second air exhauster 21, the air intake of second air exhauster 21 pass through the air-supply line 22 with go out tuber pipe 18 intercommunication, the air outlet with locate the exhaust pipe 23 intercommunication at dehumidification chamber 11 top, be equipped with opening exhaust nozzle 24 down on the exhaust pipe 23. Preferably, an upper heat insulation telescopic film and a lower heat insulation telescopic film which are arranged along the width direction of the cavity are arranged on the upper side and the lower side of the opening, the upper side of the upper heat insulation telescopic film is fixedly connected with the top of the opening, the lower side of the upper heat insulation telescopic film is fixedly connected with the top surface of the conveyor belt, and the rest two sides of the upper heat insulation telescopic film are slidably connected with the side wall of the opening; the upside of the lower heat insulation telescopic film is fixedly connected with the bottom surface of the conveyor belt, the downside of the lower heat insulation telescopic film is fixedly connected with the bottom of the opening, and the rest two sides of the lower heat insulation telescopic film are slidably connected with the side wall of the opening so as to block the dehumidification cavity 11 and the baking cavity 12 and block heat circulation between the baking cavity 12 and the cooling cavity 13. The cavity is divided into the dehumidifying cavity, the baking cavity and the cooling cavity which are not communicated with each other through the heat insulation plate, the heating assembly is arranged at the bottom of the baking cavity, the first exhaust fan is arranged at the top of the cooling cavity, and waste heat in the baking cavity is guided into the dehumidifying cavity through the second exhaust fan, so that the recycling of heat energy is realized while the drying and cooling integration is realized, and the energy consumption of equipment is effectively reduced.

In another technical scheme, nut baking device, a plurality of cams 3 divide into multiunit cam 3, multiunit cam 3 is arranged along direction of delivery circulation, and arbitrary group cam 3 comprises four cam 3, and arbitrary cam 3 includes shaft hole 301 and four protruding portions, and the contained angle of the summit of two adjacent protruding portions and the line at shaft hole 301 center is the right angle, four protruding portions are first protruding portion 302, second protruding portion 303, third protruding portion 304 and fourth protruding portion 305 along clockwise in proper order, four cam 3 will in proper order along direction of delivery first protruding portion 302, second protruding portion 303, third protruding portion 304 and fourth protruding portion 305 of cam 3 with conveyer belt 4's bottom surface slip joint, wherein, the summit of second protruding portion 303 and fourth protruding portion 305 to the distance at shaft hole 301 center equals, first protruding portion 302, second protruding portion 303, third protruding portion 305, fourth protruding portion 305, Distances from the vertexes of the second protrusion 303 and the third protrusion 304 to the center of the shaft hole 301 decrease in sequence, and a line connecting the vertexes of the first protrusion 302, the second protrusion 303, and the third protrusion 304 adjacent to the conveyor belt 4 is a straight line. Here, a preferred configuration and arrangement of the cams is illustrated to effect the undulating variation of the conveyor belt by the cams.

In another technical solution, the nut baking apparatus, the conveyor belt 4 includes an upper conveyor belt, a lower conveyor belt and a plurality of isolation belts, the upper conveyor belt and the lower conveyor belt have the same structure and are oppositely disposed, and include a plurality of conveyor plates 401 disposed at intervals along the length direction of the cavity, any conveyor plate 401 is disposed along the width direction of the cavity, adjacent conveyor plates 401 are hinged to each other through a first connecting member 402, such as a pin, the plurality of isolation belts are disposed at intervals along the width direction of the cavity between the upper conveyor belt and the lower conveyor belt, and separate the space between the upper conveyor belt and the lower conveyor belt into a plurality of conveying channels, any isolation belt is disposed along the length direction of the cavity, the isolation belts include a flexible mounting plate 403 and a plurality of partition plates 404, the flexible mounting plate 403 is detachably connected with the conveyor plates 401 through a second connecting member 405, for example, bolts and screws, the plurality of partition plates 404 are vertically arranged on the flexible mounting plate 403, and the adjacent partition plates 404 are arranged in a staggered manner along the width direction of the cavity, specifically, the space between the adjacent conveying plates 401 and the space between the adjacent partition plates 404 are determined according to the size of the nuts to be dried, so that the size (space) of the gap between the adjacent conveying plates and the adjacent partition plates is smaller than the minimum size of the nuts to be dried, and the nuts to be dried are prevented from scattering from the interval or being clamped in the gap. Here, enumerate the preferred structure of a conveyer belt, set up the conveyer belt as by last conveyer belt, lower conveyer belt and a plurality of median are constituteed, the space between last conveyer belt and the lower conveyer belt is separated for a plurality of transfer passages by the median, so that the nut distributes more evenly on the conveyer belt, avoid nut to scatter from the conveyer belt simultaneously, the median can be dismantled with last conveyer belt and lower conveyer belt and be connected, with according to the size of nut, change the median and adjust the interval between the median, make and wait that dry nut can smooth transfer passage roll.

In another technical solution, the nut baking device, the feeding assembly is disposed along the width direction of the cavity, and includes a hopper 25, a rectangular feeding bin 26 disposed below the hopper 25, and two twisting cages 27 disposed in the feeding bin 26, wherein the two twisting cages 27 are disposed at intervals in the same horizontal plane, and are driven by a second stepping motor 28 disposed outside the feeding bin 26 and rotate in opposite directions. Here, enumerate a preferred structure of feeding subassembly, drive two hank cages through second step motor and rotate in opposite directions, realize the feeding, avoid the nut to block up in feed inlet department.

In another technical solution, the nut roasting apparatus further comprises a feeding control assembly, which is arranged at the feeding end of the cavity, and comprises a positioning rod 29, which is horizontally arranged at one side of the first protrusion 302 of the cam 3 connected with the feeding end of the conveyor belt 4, which is close to the first stepping motor 5; and a proximity switch sensor 30 provided at an upper portion of a sidewall of the cavity connected to the first stepping motor 5, wherein the proximity switch sensor 30 is electrically connected to the second stepping motor 28 and the first stepping motor 5, and the proximity switch sensor 30 is configured such that when the first protrusion 302 connected to the positioning lever 29 is rotated to a highest position, a distance between the proximity switch sensor 30 and the positioning lever 29 is less than or equal to a detection distance of the proximity switch sensor 30. Here, through setting up feeding control assembly, and be connected feeding control assembly's proximity switch sensor and second step motor and first step motor electricity, when the locating lever is located proximity switch sensor's detection scope, first step motor closes the preset time, second step motor opens the preset time simultaneously, the nut in the feeding storehouse gets into on the conveyer belt under the drive of hank cage, then, first step motor starts, second step motor closes, make the nut on the conveyer belt roll on the conveyer belt and remove to the discharge end under the effect of cam, when the locating lever is located proximity switch sensor's detection scope again, repeat above-mentioned process, realize the automatic feed of device.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. Nut roasting apparatus, characterized in that it comprises:

a housing having a rectangular hollow space therein;

the discharging assembly is arranged in the middle of one outer side wall of the shell, opposite to the first stepping motor, and the feeding end of the discharging assembly extends into the cavity and is communicated with the discharging end of the conveying belt through a telescopic discharging pipe;

the conveying belt comprises an upper conveying belt, a lower conveying belt and a plurality of isolation belts, the upper conveying belt and the lower conveying belt are identical in structure and are arranged oppositely, the upper conveying belt and the lower conveying belt comprise a plurality of conveying plates arranged at intervals along the length direction of the cavity, any conveying plate is arranged along the width direction of the cavity, adjacent conveying plates are hinged through a first connecting piece, the plurality of isolation belts are arranged between the upper conveyor belt and the lower conveyor belt at intervals along the width direction of the cavity to divide the space between the upper conveyor belt and the lower conveyor belt into a plurality of conveying channels, any isolation belt is arranged along the length direction of the cavity, the isolation belt comprises a flexible mounting plate and a plurality of partition plates, the flexible mounting plate is detachably connected with the conveying plate through a second connecting piece, the plurality of clapboards are vertically arranged on the flexible mounting plate, and the adjacent clapboards are arranged in a staggered mode in the width direction of the cavity.

2. The nut roasting apparatus of claim 1, further comprising two heat shields spaced apart along the length of said cavity, any heat shield being disposed along the width of said cavity and between said cams, said heat shields having openings for said conveyor belt to move up and down, said two heat shields separating said cavity into a moisture removal chamber, a roasting chamber and a cooling chamber in sequence along the conveying direction; the lower part of the cooling cavity is provided with a cooling air inlet communicated with the outside, the top part of the cooling cavity is upwards and inwards condensed to form a first air duct, a first exhaust fan is arranged above the first air duct, and an air inlet of the first exhaust fan is communicated with the first air duct; the bottom of the baking cavity is provided with the heating assembly, the top of the baking cavity is upwards and inwards condensed to form a second air duct, and the top of the second air duct is provided with a plurality of air outlet pipes communicated with the second air duct; the bottom in dehumidification chamber is equipped with the water collector, and the lower part is equipped with the wet wind export with outside intercommunication, and the top is equipped with the second air exhauster, the air intake of second air exhauster pass through the air-supply line with go out the tuber pipe intercommunication, the air outlet with locate the exhaust pipe intercommunication at dehumidification chamber top, be equipped with the exhaust nozzle of opening down on the exhaust pipe.

3. The nut roasting apparatus of claim 1, wherein the plurality of cams are divided into a plurality of groups of cams, the plurality of groups of cams are circularly arranged along the conveying direction, any one group of cams is composed of four cams, any one cam comprises a shaft hole and four protrusions, the included angle between the vertex of two adjacent protrusions and the connecting line of the center of the shaft hole is a right angle, the four protrusions are sequentially a first protrusion, a second protrusion, a third protrusion and a fourth protrusion along the clockwise direction, the four cams sequentially slide and clamp the first protrusion, the second protrusion, the third protrusion and the fourth protrusion of the cam with the bottom surface of the conveyor belt along the conveying direction, wherein the distance from the vertex of the second protrusion and the vertex of the fourth protrusion to the center of the shaft hole is equal, and the distance from the vertex of the first protrusion, the vertex of the second protrusion and the vertex of the third protrusion to the center of the shaft hole is sequentially reduced, and the connecting line of the vertexes of the adjacent first protruding part, second protruding part and third protruding part connected with the conveyor belt is a straight line.

4. The nut roasting apparatus of claim 3, wherein said feeding assembly is disposed along the width of said cavity and comprises a hopper, a rectangular parallelepiped feeding chamber disposed below said hopper, and two twisters disposed in said feeding chamber, wherein said twisters are spaced apart and disposed in a horizontal plane and are driven by a second stepper motor disposed outside said feeding chamber to rotate in opposite directions.

5. The nut roasting apparatus of claim 4, further comprising a feed control assembly disposed at the feed end of said cavity, comprising a positioning rod horizontally disposed on a side of a first projection of a cam coupled to the feed end of said conveyor belt adjacent to said first stepper motor; the proximity switch sensor is arranged on the upper portion of one side wall of the cavity, the upper portion of the one side wall is connected with the first stepping motor, the proximity switch sensor is electrically connected with the second stepping motor and the first stepping motor, and the distance between the proximity switch sensor and the positioning rod is smaller than or equal to the detection distance of the proximity switch sensor when the first protruding portion connected with the positioning rod rotates to the highest position.