CN212438313U - Heated air circulation heating baking equipment - Google Patents

Abstract

The utility model discloses a heated air circulation heating's baking equipment, this heated air circulation heating's baking equipment sets up heated air circulation mechanism in the oven casing, can promote the thermal inner loop in the oven casing, first fan drives the air current and puts the frame hot-blast respectively towards food in the below of the follow-up top play tuber plate behind the wind-collecting housing and the lower tuber plate, it is located food and puts the food on the frame to toast, and through the negative pressure effect of first fan in the return air cavity, let the low temperature air current after toasting food reheat back through heating mechanism through first fan circulation, it toasts to get into the oven casing, thereby when making food be heated more even, show the efficiency that improves the food baking and the quality of food baking, this utility model is used for the cooking equipment field.

Description

Heated air circulation heating baking equipment

Technical Field

The utility model relates to a cooking equipment field, in particular to heated air circulation heating's baking equipment.

Background

Along with the progress and development of science and technology, unmanned restaurants are gradually popularized, and are well favored by consumers due to the advantages of high automation degree, high dining speed, good food quality and the like.

Among them, since consumers are particularly keen about roasting food, the roaster is also a cooking device which is mainly disposed in an unmanned restaurant. However, the conventional roaster has an unreasonable design of the air duct inside, which results in low roasting efficiency, uneven heating of the food material and poor roasting quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a heated air circulation heating's baking equipment, can improve food baking efficiency to can make edible material be heated more evenly, thereby improve the baking quality.

According to the utility model discloses an embodiment of the first aspect provides a heated air circulation heating's toasting equipment, including oven shell, be equipped with food in the oven shell and place frame and heating mechanism, toasting equipment still is equipped with heated air circulation mechanism, heated air circulation mechanism includes:

the first fan is provided with a fan air outlet and a fan return air inlet, and the fan return air inlet faces the interior of the oven shell;

the upper air outlet plate is arranged above the food placing frame and is provided with a plurality of air outlet holes;

the lower air outlet plate is arranged below the food placing frame, and a plurality of air outlet holes are formed in the lower air outlet plate;

the fan comprises a fan housing, wherein a fan housing air inlet and two fan housing air outlets are formed in the fan housing, the fan housing air inlet is connected to the fan air outlet, and the two fan housing air outlets are respectively located above the upper air outlet plate and below the lower air outlet plate.

Has the advantages that: this equipment of toasting sets up heated air circulation mechanism in the oven casing, can promote the thermal inner loop in the oven casing, first fan drives the air current and places the frame and go out hot-blast towards food respectively in the below of the top of air-out board and lower air-out board after the fan housing that gathers, toast and lie in food and place the food on the frame, and the negative pressure effect through first fan, let the low temperature air current after toasting food through heating mechanism reheat back through first fan circulation, get into the oven casing and toast, thereby when making food be heated more evenly, show the efficiency that improves the food baking and the quality of food baking.

According to the utility model discloses first aspect embodiment toast equipment, go up the tuber plate and go out the setting of tuber plate average level down, the upside of going up the tuber plate still is equipped with the last air-out apron that the slope set up, go up the air-out apron and be connected and both sides seal with the distal end of last tuber plate, the downside that goes out the tuber plate down also is equipped with the lower air-out apron that the slope set up, the air-out apron is connected and both sides seal with the distal end of going out the tuber plate down. Go up the last air-out apron that the upside of air-out board set up to and the lower air-out apron that the downside of air-out board set up down, make go up the air-out board and all formed the link opening with air-out board down, and be equipped with the semi-closed structure of exhaust vent side air-out, and in this closed structure, from the cavity structure that air inlet end is narrowed gradually towards the air-out end, when making the air current go out the wind through the exhaust vent that both sides set up from top to bottom, accelerate, can show the promotion with the heating efficiency in the oven casing.

According to the utility model discloses the first aspect embodiment toast equipment, go up the air-out apron with go up the contained angle between the air-out board with the contained angle between lower air-out apron and lower air-out board equals. The setting of this angle can provide the best heating efficiency in the oven casing when guaranteeing the joint strength between last air-out apron and lower air-out apron.

According to the utility model discloses first aspect embodiment toast equipment, the wind-collecting cover is including the wind-collecting cover bottom plate and the wind-collecting cover apron that become angle setting each other, the distal end of wind-collecting cover bottom plate and wind-collecting cover apron links to each other, the near-end formation wind-collecting cover air intake of wind-collecting cover bottom plate and wind-collecting cover apron, the both sides of wind-collecting cover bottom plate and wind-collecting cover apron are sealed, the wind-collecting cover air outlet is located the both sides of wind-collecting cover bottom plate, the wind-collecting cover apron with contained angle between the wind-collecting cover bottom plate is 20 degrees.

According to the utility model discloses baking equipment of the embodiment of first aspect, the wind-collecting cover still includes one and is located two aviation baffle between the wind-collecting cover air outlet, the aviation baffle does the middle part of wind-collecting cover bottom plate is gone up to hunch and is formed. The wind-gathering cover is internally provided with a wind deflector which is arranged at an angle with the wind-gathering cover plate, airflow blown out laterally by the first fan is transmitted through the wind-gathering cover and is discharged from wind-gathering cover air outlets at two sides of the wind-gathering cover bottom plate in the wind-gathering cover, and the setting of the wind deflector enables the airflow to be transmitted in the wind-gathering cover in the process of transmitting the airflow to the end part of the wind-gathering cover, so that the strength of the airflow cannot be reduced due to the reduction of the airflow.

According to the utility model discloses first aspect embodiment toast equipment, still be equipped with the fixed mounting board of vertical setting in the oven casing, be equipped with a plurality of meshs on the fixed mounting board, two the wind-collecting cover air outlet orientation mesh on the fixed mounting board and with fixed mounting board fixed connection, go up the tuber plate and go out the tuber plate down install in the another side of fixed mounting board, it is located the top to go up the tuber plate the below of wind-collecting cover air outlet, it is located the below to go out the tuber plate down the top of wind-collecting cover air outlet. The fixed mounting plate is used for strengthening the connection strength of the air collecting cover on two sides and the upper air outlet plate and the lower air outlet plate, and the mesh holes arranged on the fixed mounting plate can facilitate the passing of air flow, so that the circulation of the air flow in the oven shell is not influenced. Go up the mounted position of air-out board and lower air-out board for air current is from the air collecting cover back of discharging, can up go down and up exhaust through air-out board down through last air-out board, thereby makes the heat more even in the flow of oven casing.

According to the utility model discloses baking equipment of the first aspect embodiment, heating mechanism is in just right in the oven casing the fan return air inlet sets up, heating mechanism include the heating tube mounting panel and a plurality of carbon element heating tubes that the interval set up on the heating tube mounting panel, still be equipped with the thermocouple on the heating tube mounting panel. Heating mechanism is just right fan return air inlet sets up, and first fan is centrifugal fan, rotates the in-process at centrifugal fan, encircles centrifugal fan will produce the negative pressure, absorbs the air current that has cooled down behind the toasted food in the oven casing, through heating mechanism behind the mesh on the fixed mounting panel, and the carbon element heating tube who constitutes heating mechanism just in time heats the air current that has cooled down, inhales the back through centrifugal fan again, gets into the thermal current circulation in the oven casing.

According to the utility model discloses baking equipment, food is place the frame including carrying the skeleton and carry the drive shaft and the driven shaft that the skeleton both ends set up, it has the steel wire track to surround between drive shaft and the driven shaft, the drive shaft passes through actuating mechanism and drives rotatoryly, install in the drive shaft and be used for the drive two trapezoidal gears of steel wire track.

According to the utility model discloses first aspect embodiment toast equipment, actuating mechanism include the motor mounting panel that the U type set up with install in driving motor on the motor mounting panel, the motor mounting panel install in oven housing's outer wall, all be equipped with thermal-insulated cushion on motor mounting panel's the both ends stabilizer blade, driving motor's output is equipped with the driving gear, the tip of drive shaft be equipped with driving gear meshed's cylinder straight-teeth gear.

The food placing rack adopts a mode of conveying, so that the baking equipment heated by hot air circulation can be conveniently used as a component in self-service cooking equipment, and automatic food cooking operation can be conveniently carried out.

According to the utility model discloses baking equipment of the first aspect embodiment, first fan is centrifugal fan, centrifugal fan's axle head air intake sets up towards heating mechanism, the fan air exit is located centrifugal fan's side direction. The centrifugal fan just satisfies the function that realizes the heated air circulation function in the oven casing among this heating device, and centrifugal fan's axle head air inlet, and the function of side direction exhaust just in time is fit for realizing the function of air current circulation in the oven casing, can help reducing the whole volume of the heating oven of hot air circulation ring, makes things convenient for its production that integrates.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a schematic view of the overall internal structure of an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of an oven case according to an embodiment of the present invention;

fig. 3 is a top view of the internal structure in an embodiment of the present invention;

FIG. 4 is a schematic view of the side view of the internal structure and the direction of the internal air in the embodiment of the present invention;

FIG. 5 is a schematic view of the connection structure between the fixed mounting plate and the two side structures in the embodiment of the present invention;

fig. 6 is another view schematically illustrating the connection structure between the fixed mounting plate and the two side structures in the embodiment of the present invention;

FIG. 7 is a schematic view of the overall assembly structure of the embodiment of the present invention;

fig. 8 is a schematic view of the wind collecting cover structure in the embodiment of the present invention;

fig. 9 is a schematic structural view of the upper and lower air outlet plates in the embodiment of the present invention;

fig. 10 is a schematic view of the overall structure of the heating mechanism in the embodiment of the present invention;

fig. 11 is a schematic view of the food rack according to the embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, 2 and 7, a heated air circulation heating baking device is provided, which includes a baking oven housing 100, a food placing rack 110 and a heating mechanism 120 are disposed in the baking oven housing 100, the baking device is further provided with a heated air circulation mechanism 200, and the heated air circulation mechanism 200 includes: a first fan 210, wherein the first fan 210 is provided with a fan air outlet 211 and a fan air return opening 212, and the fan air return opening 212 faces the interior of the oven shell 100; the upper air outlet plate 220 is arranged above the food placing frame 110, and a plurality of air outlet holes 2201 are formed in the upper air outlet plate 220; the lower air outlet plate 221 is arranged below the food placing frame 110, and a plurality of air outlet holes 2201 are formed in the lower air outlet plate 221; the air collecting cover 230 is provided with an air collecting cover air inlet 231 and two air collecting cover air outlets 2321, the air collecting cover air inlet 231 is connected to the fan air outlet 211, and the two air collecting cover air outlets 2321 are respectively located above the upper air outlet plate 220 and below the lower air outlet plate 221.

This toast equipment sets up heated air circulation mechanism 200 in oven casing 100, can promote the thermal inner loop in oven casing 100, first fan 210 drives the air current and places the frame 110 towards food respectively and go out hot-blast from the top of last air-out board 220 and the below of lower air-out board 221 behind wind-collecting cover 230, toast the food that is located food and places the frame 110, and through the negative pressure effect of first fan 210, let the low temperature air current after toasting food circulate through first fan 210 after heating mechanism 120 reheating, get into oven casing 100 and toast, thereby when making food be heated more evenly, show the efficiency that improves the food baking and the quality of food baking.

Referring to fig. 2 to 4, in some embodiments, the upper air-out plate 220 and the lower air-out plate 221 are both horizontally disposed, an upper air-out cover plate 2202 disposed obliquely is further disposed on the upper side of the upper air-out plate 220, the upper air-out cover plate 2202 is connected to the distal end of the upper air-out plate 220 and both sides of the upper air-out cover plate are closed, a lower air-out cover plate 2212 disposed obliquely is also disposed on the lower side of the lower air-out plate 221, and the lower air-out cover plate 2212 is connected to the distal end of the lower air-out. Go up last air-out apron 2202 that the upside of air-out board 220 set up, and the lower air-out apron 2212 that the downside of air-out board 221 set up down, make go up air-out board 220 and lower air-out board 221 all form link opening 222, and be equipped with exhaust vent 2201 and carry out the semi-enclosed construction of side direction air-out, and in this enclosed construction, from link opening 222 towards the distal end cavity structures for narrowing gradually, when making the air current go out the wind through the exhaust vent 2201 that upper and lower both sides set up, accelerate, can show the promotion with the heating efficiency in oven shell 100.

Referring to fig. 5, 6 and 9, in some embodiments, an angle between the upper air outlet cover 2202 and the upper air outlet plate 220 is equal to an angle between the lower air outlet cover 2212 and the lower air outlet plate 221, an angle between the upper air outlet cover 2202 and the upper air outlet plate 220 is 11.65 degrees, and an angle between the lower air outlet cover 2212 and the lower air outlet plate 221 is also 11.65 degrees. The angle can ensure the connection strength between the upper air outlet plate 220 and the upper air outlet cover 2202 and between the lower air outlet plate 221 and the lower air outlet cover 2212, and provide the best heat supply efficiency in the oven shell 100.

Referring to fig. 5 and 8, in some embodiments, the wind-collecting cover 230 includes a wind-collecting cover bottom plate 232 and a wind-collecting cover plate 233 which are disposed at an angle to each other, the wind-collecting cover bottom plate 232 is connected to a distal end of the wind-collecting cover plate 233, a wind-collecting cover inlet 231 is formed at a proximal end of the wind-collecting cover bottom plate 232 and a proximal end of the wind-collecting cover plate 233, two sides of the wind-collecting cover bottom plate 232 and the wind-collecting cover plate 233 are closed, wind-collecting cover outlet 2321 is located at two sides of the wind-collecting cover bottom plate 232, and an included angle between the wind-.

In some embodiments, the wind-collecting cover 230 further includes a wind-guiding plate 234 located between the two wind-collecting cover outlets 2321, and the wind-guiding plate 234 is formed by curving the middle of the wind-collecting cover bottom plate 232 upwards. The wind-collecting cover 230 is further provided with an air deflector 234 arranged at an angle with respect to the wind-collecting cover plate 233, in the wind-collecting cover 230, the airflow blown out laterally by the first fan 210 is transmitted through the wind-collecting cover 230 and is exhausted from the wind-collecting cover air outlets 2321 at two sides of the wind-collecting cover bottom plate 232 in the wind-collecting cover 230, and the arrangement of the air deflector 234 enables the strength of the airflow not to be reduced due to the reduction of the airflow when the airflow is transmitted to the end of the wind-collecting cover 230 in the process of spreading the airflow in the wind-collecting cover 230.

Referring to fig. 1, 2, 5, and 6, in some embodiments, a vertically disposed fixing mounting plate 240 is further disposed in the oven housing 100, a plurality of mesh holes 241 are disposed on the fixing mounting plate 240, two air-gathering housing air outlets 2321 face the mesh holes 241 on the fixing mounting plate 240 and are fixedly connected with the fixing mounting plate 240, an upper air-out plate 220 and a lower air-out plate 221 are mounted on the other side surface of the fixing mounting plate 240, the upper air-out plate 220 is located below the upper air-gathering housing air outlet 2321, and the lower air-out plate 221 is located above the lower air-gathering housing air outlet 2321. The fixing and mounting plate 240 is used for enhancing the connection strength of the air collecting hood at the two sides and the upper air outlet plate 220 and the lower air outlet plate 221, and the mesh 241 arranged on the fixing and mounting plate 240 can facilitate the air flow to pass through without affecting the circulation of the air flow in the oven shell 100. The installation positions of the upper air outlet plate 220 and the lower air outlet plate 221 enable air flow to be exhausted from the air collecting hood, downward through the upper air outlet plate 220 and upward through the lower air outlet plate 221, so that heat flows more uniformly in the oven shell 100.

Referring to fig. 10, in some embodiments, the heating mechanism 120 is disposed opposite to the fan return air inlet 212 in the oven casing 100, the heating mechanism 120 includes a heating tube mounting plate 121 and a plurality of carbon heating tubes 122 spaced apart from the heating tube mounting plate 121, and the heating tube mounting plate 121 is further provided with a thermocouple 123. The heating mechanism 120 is arranged right opposite to the fan return air inlet 212, the first fan 210 is a centrifugal fan, in the rotating process of the centrifugal fan, negative pressure is generated at the fan return air inlet 212 to absorb air flow which is cooled after food is baked in the oven shell 100, the air flow passes through the heating mechanism 120 after passing through the meshes 241 on the fixed mounting plate 240, the carbon heating tube 122 forming the heating mechanism 120 just heats the cooled air flow, and the air flow enters the heat flow circulation in the oven shell 100 after being sucked by the centrifugal fan.

Referring to fig. 11, in some embodiments, the food rack 110 includes a conveying frame 111, and a driving shaft 112 and a driven shaft 113 disposed at two ends of the conveying frame 111, a steel-wire crawler 114 is disposed around the driving shaft 112 and the driven shaft 113, the driving shaft 112 is driven to rotate by a driving mechanism 116, and two trapezoidal gears 115 for driving the steel-wire crawler 114 are mounted on the driving shaft 112.

Referring to fig. 7, in some embodiments, the driving mechanism 116 includes a U-shaped motor mounting plate 1161 and a driving motor 1162 mounted on the motor mounting plate 1161, the motor mounting plate 1161 is mounted on the outer wall of the toaster case 100, heat insulation spacers 1163 are respectively disposed on two end legs of the motor mounting plate 1161, a driving gear is disposed at an output end of the driving motor 1162, and a spur gear engaged with the driving gear is disposed at an end portion of the driving shaft 112.

The food placing rack 110 can be conveyed, so that the baking equipment heated by hot air circulation can be conveniently used as one component of self-service cooking equipment, and automatic food cooking operation can be conveniently carried out.

In some of these embodiments, the first fan 210 is a centrifugal fan, the air inlet of the axial end of the centrifugal fan is disposed toward the heating mechanism 120, and the fan air outlet 211 is located at the lateral side of the centrifugal fan. The centrifugal fan just meets the function of realizing the hot air circulation function in the oven shell 100 in the heating device, the shaft end of the centrifugal fan enters air, and the lateral air exhaust function is just suitable for realizing the airflow circulation function in the oven shell 100, so that the integral volume of the hot air circulation type heating oven can be reduced, and the integrated production of the heating oven is facilitated.

The baking equipment heated by hot air circulation generates heat to heat air through the carbon heating tube 122 in the heating mechanism 120, the centrifugal fan drives the hot air to pass through the wind gathering cover from the side direction, and enter the oven shell 100 from the wind gathering cover air outlets 2321 on the upper side and the lower side of the wind gathering cover, in the process of discharging the hot air, the hot air respectively enters the upper side of the upper air outlet plate 220 through the wind gathering cover air outlet 2321 on the upper part, enters the lower side of the lower air outlet plate 221 through the wind gathering cover air outlet 2321 on the lower part, and then enters the food placing frame 110 through the air outlet holes 2201 arranged on the upper air outlet plate 220 and the lower air outlet plate 221 to cook food.

The hot air in the oven housing 100 is cooled after passing through the food on the food placing rack 110, returns to the fan air outlet 211 under the action of the negative pressure generated by the centrifugal fan, and enters the hot air circulation in the oven housing 100 again after being sucked by the centrifugal fan.

The side of the oven case 100 is provided with a return air box 300 connected with the oven case 100, the frame forming the return air box 300 is directly connected with the frame of the oven case 100, the case body at the periphery of the oven case 100 extends to the periphery of the return air box 300, and directly forms the shell of the return air box 300, the first fan 210 is installed in the return air box 300, the return air box 300 forms a return air cavity, the hot air in the oven case 100 is heated again by the heating mechanism 120 and then enters the return air cavity first, and the hot air in the return air cavity is sucked into the circulation inside the oven case body through the first fan 210.

The fixing mounting plate 240 is disposed between the air return box 300 and the oven case 100 to constitute a connecting member between the oven case 100 and the air return box 300, meanwhile, the first fan 210 and the air collecting cover are installed in the air return box 300, and the heating mechanism 120, the upper air outlet plate 220 and the lower air outlet plate 221 are installed at the other side of the fixing mounting plate 240, that is, in the oven case 100.

The food rack 110 in the toasting device is transportable, and can output cooked food periodically or at regular time. The baking equipment with the conveying mode can conveniently form a ring in a food vending device, and food is stored, grabbed, conveyed, cooked, kept warm, vended and the like in an integrated mode, so that automatic vending of the food is realized.

This toasts equipment has set up wind-collecting cover 230 and has changed the flow direction of wind channel air current, has formed the positive negative pressure of wind direction in the circumference of first fan 210, can solve the inhomogeneous problem of food heating through the wind direction circulation.

The toasting device may preferably be an oven.

The oven case 100 is provided with a heat insulating material, and the whole hot air circulates inside the oven case 100, thereby saving energy. After the oven casing 100 is heated to the temperature required for baking food, the temperature of the baked food can be maintained by consuming a small amount of electric energy, thereby effectively reducing energy consumption.

The carbon heating tube 122 in the heating mechanism 120 is closest to the food, the centrifugal fan draws the hot air into the air collecting hood 230, the upper air outlet plate 220 and the lower air outlet plate 221, and then blows the hot air onto the food on the food placing frame 110, negative pressure is formed right in front of the carbon heating tube 122 under the action of the centrifugal fan, air with relatively low temperature enters the area where the carbon heating tube 122 is located, and uneven heating or scorching of the food when passing through the area closer to the carbon heating tube 122 can be effectively avoided.

The toaster apparatus reduces the size of the toaster case 100 by improving the air flow direction. Previous oven housings 100 were too bulky, occupied space, and unsuitable for use in fast food vending equipment, and thus had limited application scenarios. The optimized oven shell 100 is smaller in size and wider in applicable scenes.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. The utility model provides a heated air circulation heating's toasting equipment, includes oven shell, be equipped with food in the oven shell and place frame and heating mechanism, its characterized in that, toast equipment still is equipped with heated air circulation mechanism, heated air circulation mechanism includes:

the first fan is provided with a fan air outlet and a fan return air inlet, and the fan return air inlet faces the interior of the oven shell;

the upper air outlet plate is arranged above the food placing frame and is provided with a plurality of air outlet holes;

the lower air outlet plate is arranged below the food placing frame, and a plurality of air outlet holes are formed in the lower air outlet plate;

the fan comprises a fan housing, wherein a fan housing air inlet and two fan housing air outlets are formed in the fan housing, the fan housing air inlet is connected to the fan air outlet, and the two fan housing air outlets are respectively located above the upper air outlet plate and below the lower air outlet plate.

2. The hot air circulation heating toasting apparatus according to claim 1, characterized in that: go up the equal level setting of air-out board and lower air-out board, the upside of going up the air-out board still is equipped with the last air-out apron that the slope set up, go up the air-out apron and be connected and both sides seal with the distal end of last air-out board, the downside of air-out board also is equipped with the lower air-out apron that the slope set up down, the air-out apron is connected and both sides seal with the distal end of air-out board down.

3. The hot air circulation heating toasting apparatus according to claim 2, characterized in that: and the included angle between the upper air outlet cover plate and the upper air outlet plate is equal to the included angle between the lower air outlet cover plate and the lower air outlet plate.

4. The hot air circulation heating toasting apparatus according to claim 2, characterized in that: the wind-collecting cover comprises a wind-collecting cover bottom plate and a wind-collecting cover plate which are arranged at an angle, the far ends of the wind-collecting cover bottom plate and the wind-collecting cover plate are connected, a wind-collecting cover air inlet is formed at the near ends of the wind-collecting cover bottom plate and the wind-collecting cover plate, the two sides of the wind-collecting cover bottom plate and the wind-collecting cover plate are sealed, wind-collecting cover air outlets are located on the two sides of the wind-collecting cover bottom plate, and an included angle between the wind-collecting cover plate and the wind-collecting.

5. The hot air circulation heating toasting apparatus according to claim 4, characterized in that: the wind-gathering cover also comprises an air deflector positioned between the air outlets of the two wind-gathering covers, and the air deflector is formed by upward arching the middle part of the bottom plate of the wind-gathering cover.

6. The hot air circulation heating toasting apparatus according to claim 5, characterized in that: still be equipped with the fixed mounting panel of vertical setting in the oven casing, be equipped with a plurality of meshs on the fixed mounting panel, two the wind-collecting cover air outlet orientation mesh on the fixed mounting panel and with fixed mounting panel fixed connection, go up the air-out board with down the air-out board install in fixed mounting panel's another side.

7. The hot air circulation heating toasting apparatus according to claim 1, characterized in that: the heating mechanism is arranged in the oven shell and is right opposite to the air return inlet of the fan, the heating mechanism comprises a heating tube mounting plate and a plurality of carbon heating tubes arranged on the heating tube mounting plate at intervals, and an electric thermocouple is further arranged on the heating tube mounting plate.

8. The hot air circulation heating toasting apparatus according to claim 1, characterized in that: the food placing frame comprises a conveying framework, a driving shaft and a driven shaft, wherein the driving shaft and the driven shaft are arranged at two ends of the conveying framework, a steel wire crawler belt is arranged between the driving shaft and the driven shaft in an encircling mode, the driving shaft is driven to rotate through a driving mechanism, and two trapezoidal gears used for driving the steel wire crawler belt are installed on the driving shaft.

9. The hot air circulation heating toasting apparatus according to claim 8, characterized in that: actuating mechanism include the motor mounting panel that the U type set up with install in driving motor on the motor mounting panel, the motor mounting panel install in oven housing's outer wall, all be equipped with thermal-insulated cushion on the both ends stabilizer blade of motor mounting panel, driving motor's output is equipped with the driving gear, the tip of drive shaft be equipped with driving gear meshed's cylinder straight-teeth gear.

10. The hot air circulation heating toasting apparatus according to claim 1, characterized in that: the first fan is a centrifugal fan, an air inlet of the shaft end of the centrifugal fan is arranged towards the heating mechanism, and an air outlet of the fan is located in the lateral direction of the centrifugal fan.

Images