CN119043018B

CN119043018B - Baking oven

Info

Publication number: CN119043018B
Application number: CN202411554140.3A
Authority: CN
Inventors: 杨传洲; 杨坤; 黄国平; 王蓓蕾; 侯世红
Original assignee: Baoji Mingtaihua Technology Development Co ltd
Current assignee: Baoji Mingtaihua Technology Development Co ltd
Priority date: 2024-11-04
Filing date: 2024-11-04
Publication date: 2025-02-07
Anticipated expiration: 2044-11-04
Also published as: CN119043018A

Abstract

The present invention relates to the technical field of baking equipment, and specifically discloses a baking oven, comprising: a furnace body and a bracket, wherein multiple layers of trays are arranged in the bracket, an upper air cavity is opened in the top wall of the furnace body for forming hot air, side air cavities connected with the upper air cavity are opened in the left and right opposite side walls of the furnace body, an air outlet assembly is arranged on the side of each layer of trays, which is used to allow the hot air in the side air cavity to enter the furnace cavity of the furnace body, and an air guide assembly is arranged on the air outlet assembly, which is used to guide the blowing direction of the hot air; the baking oven of the present invention is convenient for regulating the ventilation volume on each layer of the supporting platform by adjusting the connecting area of the fixed air holes and the movable air holes on the side of the supporting platform, so that the temperature on each layer of the supporting platform is close to the same, the temperature difference between the layers of the supporting platforms is reduced, and the swing of the air guide plate guides the direction of the hot air, evenly distributes the air on the supporting platform, so that the temperature of each area on the supporting platform is close to the same, so that the baking time of each layer of materials is close to the same.

Description

Baking oven

Technical Field

The invention relates to the technical field of baking equipment, in particular to a baking furnace.

Background

A baking oven is a device for processing materials by forming hot air, and is generally of a closed or semi-closed structure. The baking oven is also called an oven, a toaster, a baking oven, and can be used to refer generally to a device for performing high-temperature treatment with hot gas. The baking oven is divided into a single-layer type, a double-layer type and a three-layer type, and each layer is independently controlled, can be used simultaneously, can be used in a single layer, is generally provided with an automatic constant temperature system, and is widely applicable to various occasions such as families, restaurants, industrial production and the like. In the industrial production, the catalyst is baked by a baking furnace to remove water and volatile substances in the catalyst, optimize the crystal form, the pore diameter and the specific surface area of the catalyst, improve the mechanical strength of the catalyst and the like.

The utility model discloses a high temperature toast case in the patent document of authorizing bulletin number CN210374606U, including toasting the case main part, the bottom of toast case main part is equipped with the removal subassembly, the inside position department that is close to the right side of toast case main part is equipped with a plurality of longitudinal installation's electric heating pipe along the fore-and-aft direction, the right-hand member face of toast case main part is equipped with the fan, the left end face of toast case main part is equipped with the circulation tuber pipe of being connected with fan air inlet end, toast the bottom of case main part inner chamber and be equipped with the base, the base has toast the frame through mounting bolt connection, toast frame medial surface along the upper and lower direction and be equipped with a plurality of mounts, the mount up end is equipped with a plurality of logical grooves along the fore-and-aft direction, all installs the riding wheel in every logical inslot, place the tray on the riding wheel, the position department that the front end face is close to the right side of toast case main part is equipped with control panel, the front end face is close to the left position department articulates there is the chamber door, the outer side face of chamber door is equipped with the thermometer that the measurement end stretches into its medial surface, control panel and electric connection are convenient for get the electrical connection, and place the tray is convenient for, and a plurality of places the convenience in the realization and is convenient to use, and is convenient for place the hot-air to carry and has improved the effect.

But still there is following problem in this scheme, be inconvenient for adjusting the hot-blast circulation of ventilation hole on the air-dispersing plate, the area of air-dispersing plate is great, also can increase corresponding to the dispersion area of hot-blast, this just leads to the ventilation hole hot-blast circulation rate that is close to the fan position on the air-dispersing plate, the temperature is high on the placement tray of corresponding level, the ventilation hole hot-blast circulation rate of keeping away from the fan position is slow, the temperature is corresponding lower on the placement tray of corresponding level, finally cause the difference in temperature on the different placement trays great, influence the whole baking effect of material, the condition of toasting excessively or toasting inadequately appears very easily, and hot-blast flows naturally by the ventilation hole, can't ensure that hot-blast equipartition is in each partial region on the placement tray, lead to toasting efficiency decline.

Disclosure of Invention

The invention provides a baking furnace, which aims to solve the problems that in the related art, the hot air flow quantity of ventilation holes on a wind dispersing plate is inconvenient to adjust, so that the temperature difference on different placing trays is large, the hot air naturally flows out from the ventilation holes, and the hot air cannot be uniformly distributed in each partial area on the placing trays.

The invention relates to a baking oven, which comprises an oven body and a bracket, wherein a plurality of layers of trays are arranged in the bracket, an upper air cavity is formed in the top wall of the oven body and is used for forming hot air, side air cavities communicated with the upper air cavity are formed in the left side wall and the right side wall of the oven body, air outlet assemblies are arranged on the side sides of each layer of trays and are used for enabling hot air in the side air cavities to enter an oven cavity of the oven body, and air guide assemblies are arranged on the air outlet assemblies and are used for guiding the blowing-out direction of the hot air;

the air outlet assembly comprises a fixed plate and a movable plate, the fixed plate is fixedly arranged on the inner side wall of the furnace body, a fixed air hole is formed in the fixed plate so that the side air cavity is communicated with the furnace chamber, the movable plate is slidably assembled in the side air cavity and is positioned on one side of the fixed plate, and a movable air hole matched with the fixed air hole is formed in the movable plate;

The air guide assembly comprises an air guide plate and a push rod, the air guide plate is rotationally connected to the fixed plate, the push rod is arranged in a furnace chamber of the furnace body, and the push rod can slide back and forth relative to the furnace body, so that the air guide plate is pushed to rotate on the fixed plate.

After hot air is formed in the upper air cavity, materials in the trays are baked in the furnace cavity of the furnace body through the fixed air holes and the movable air holes, the ventilation quantity on each layer of trays is convenient to adjust and control through adjustment of the communication areas of the fixed air holes and the movable air holes, the temperature on each layer of trays is nearly identical, the temperature difference between each layer of trays is reduced, the air deflector swings in a rotating mode on the fixed plate, the trend of the hot air is guided, the air is uniformly distributed on the trays, the temperature of each area position on the trays is nearly identical, the baking time of each layer of materials is nearly identical, and the occurrence of the conditions of excessive baking or insufficient baking is reduced.

Preferably, the top of furnace body has pegged graft respectively intake pipe and outlet duct, and the bottom and the last wind chamber of intake pipe are linked together, and the bottom and the furnace chamber of furnace body of outlet duct are linked together, and the inside in last wind chamber is provided with fan and burner unit, gets into the air in last wind chamber through the intake pipe, after the heating of burner unit, blows by the fan and toasts the material in getting into the furnace chamber of side wind chamber and furnace body, and the completion material toasts the back and is discharged by the outlet duct.

Preferably, the furnace body is also hinged with a furnace door, and a mounting groove is formed in the side wall of the furnace body opposite to the furnace door.

Preferably, the support comprises carriage and brace table, and the brace table has the multilayer and equidistant from top to bottom to be fixed on the carriage, and the tray setting is on the brace table, and equal fixed mounting has the riser on every layer of brace table, and is provided with the thermometer on the riser, is convenient for monitor the temperature on every layer of brace table through the thermometer to the temperature on the better regulation and control each layer of tray of being convenient for reduces the difference in temperature between each layer of brace table.

Preferably, the below of fly leaf is provided with the support of fixing in the side air chamber inside, and the spout has been seted up along its length direction to the bottom of fly leaf, and the top sliding connection of support is inside the spout, and one side of fly leaf is provided with adjustment mechanism for promote the fly leaf and slide on the support, through the slip of fly leaf on the support, can change the intercommunication area of fixed wind hole and activity wind hole, then adjust ventilation volume.

Preferably, the adjusting mechanism comprises a screw rod and a threaded cylinder, the screw rod is rotationally assembled inside the side air cavity, the threaded cylinder is in threaded connection with the outside of the screw rod, one end, far away from the screw rod, of the threaded cylinder is fixedly connected with the movable plate, the end part of the screw rod is provided with a second motor arranged on the furnace body, the screw rod is driven to rotate through the second motor, the threaded cylinder is enabled to move outside the screw rod, and the movable plate can be driven to slide on the support.

Preferably, the push rod is fixedly connected with a side rod, the top of the air deflector is provided with a transverse groove along the length direction of the side rod, one end of the side rod, which is far away from the push rod, is slidably connected inside the transverse groove, one side of the push rod is provided with a pushing mechanism for driving the push rod to reciprocate in the furnace body to move close to or far away from the furnace door, the push rod drives the side rod to move, the side rod slides in the transverse groove, and then the air deflector is pushed to rotationally swing on the fixed plate, so that the trend of hot air is guided.

Preferably, the pushing mechanism comprises a reciprocating screw, a mounting plate, a sliding block and a first motor, the reciprocating screw is rotationally assembled on the side wall of the furnace body, the mounting plate is slidably connected in the mounting groove, the end part of the push rod is fixedly mounted on the mounting plate, the sliding block is fixedly mounted in the middle of the mounting plate, the sliding block is arranged outside the reciprocating screw and can reciprocate along a thread groove on the reciprocating screw along with the rotation of the reciprocating screw, the first motor is fixedly mounted on the furnace body, the output end of the first motor is coaxially fixed with the reciprocating screw, the reciprocating screw is driven by the first motor to rotate, the sliding block is pushed to move, the sliding block drives the mounting plate to move, and then the push rod can push the air deflector to swing.

Preferably, each layer the top of supporting bench all is provided with horizontal installing frame and diaphragm, and diaphragm sliding assembly is in the installing frame, and the bottom fixed mounting of diaphragm has a plurality of stirring teeth, moves in the installing frame through the diaphragm, makes stirring teeth promote the material in the tray, can overturn the material to more efficient toast.

Preferably, a connecting rod is vertically fixed between two upper and lower adjacent mounting frames, the connecting rod is slidably assembled inside the supporting table, the top of the uppermost mounting frame is rotationally connected with an adjusting bolt, the adjusting bolt is in threaded connection inside the supporting frame, one end of the transverse plate, which is close to the mounting frame, is fixedly connected with a deflector rod, a ring sleeve which is matched with the deflector rod is fixedly connected to the push rod, the end part of the deflector rod can be inserted into the ring sleeve when the transverse plate descends, the deflector rod is inserted into the ring sleeve through the deflector rod, and then the deflector rod is pushed to move synchronously with the transverse plate when moving, so that the material is turned.

The beneficial effects are that:

1. When the air conditioner is used, the ventilation quantity on each layer of supporting tables is conveniently regulated and controlled through the adjustment of the communication areas of the fixed air holes and the movable air holes on the sides of the supporting tables, so that the temperature on each layer of supporting tables is approximately the same, the temperature difference between each layer of supporting tables is reduced, the trend of hot air is guided by the swing of the air deflector, the air is uniformly distributed on the supporting tables, the temperature of each region position on the supporting tables is approximately the same, the baking time of each layer of materials is approximately the same, the occurrence probability of excessive baking or insufficient baking conditions is effectively reduced, and the overall quality of the materials is improved.

2. When the automatic material overturning device is used, the transverse plate moves along with the push rod, so that the material overturning teeth overturn materials, hot air can better circulate inside the materials, the materials on the lower layer of the tray can also better contact with the hot air, the hot air can further bake the materials more uniformly, the baking time is shortened, and the baking quality is improved.

Drawings

Fig. 1 is a perspective view of the present invention.

FIG. 2 is a schematic view of the structure of the inside of the furnace body of the present invention.

Fig. 3 is an enlarged schematic view of the structure of fig. 2a according to the present invention.

FIG. 4 is a perspective view of the furnace body of the present invention.

Fig. 5 is an enlarged schematic view of the structure of fig. 4B according to the present invention.

FIG. 6 is a front cross-sectional view of the furnace body of the present invention.

Fig. 7 is an enlarged schematic view of the structure of fig. 6C according to the present invention.

FIG. 8 is a schematic view of the internal structure of the side air chamber of the present invention.

Fig. 9 is a perspective view of a stent of the present invention.

Fig. 10 is a perspective view of the mounting plate and pushrod of the present invention.

Reference numerals:

10. Furnace body, 11, upper air chamber, 12, side air chamber, 13, air inlet pipe, 14, air outlet pipe, 15, fan, 16, furnace door, 17, installation groove, 20, bracket, 21, supporting frame, 22, supporting table, 221, vertical plate, 222, thermometer, 223, installation frame, 224, transverse plate, 225, turning gear, 226, connecting rod, 227, adjusting bolt, 228, deflector rod, 23, tray, 30, air outlet assembly, 31, fixed plate, 32, movable plate, 321, support, 322, chute, 33, fixed air hole, 34, movable air hole, 40, adjusting mechanism, 41, screw rod, 42, screw thread cylinder, 50, air guide assembly, 51, air deflector, 511, transverse groove, 52, push rod, 521, side rod, 522, loop, 60, pushing mechanism, 61, reciprocating screw rod, 62, installation plate, 63, slide block, 64 and first motor.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

As shown in fig. 1 to 10, the baking oven of the invention comprises a oven body 10, a bracket 20, an air outlet assembly 30, an adjusting mechanism 40 and an air guide assembly 50, wherein the bracket 20 is arranged in the oven cavity of the oven body 10 and is used for placing materials, the air outlet assembly 30 and the adjusting mechanism 40 are positioned in the oven wall of the oven body 10, hot air is introduced into the oven cavity of the oven body 10 by the air outlet assembly 30 and is used for baking the materials, the air outlet quantity of the air outlet assembly 30 is adjusted by the adjusting mechanism 40, and the air guide assembly 50 is arranged in the oven cavity of the oven body 10 and is used for guiding the trend of the hot air discharged by the air outlet assembly 30.

Referring to fig. 1 and 6, an upper air chamber 11 and a side air chamber 12 are arranged in a furnace wall of a furnace body 10, the upper air chamber 11 is positioned in a top wall of the furnace body 10, the side air chamber 12 is positioned in two opposite side walls of the furnace body 10, the upper air chamber 11 is communicated with the side air chamber 12, an air inlet pipe 13 and an air outlet pipe 14 are respectively inserted into the top of the furnace body 10, the bottom end of the air inlet pipe 13 is communicated with the upper air chamber 11, the bottom end of the air outlet pipe 14 is communicated with a furnace chamber of the furnace body 10, a fan 15 and a combustion unit are arranged in the upper air chamber 11, air is introduced into the upper air chamber 11 through the air inlet pipe 13, the combustion unit heats the air, hot air is blown by the fan 15 to form hot air to the side air chamber 12 to surge, the hot air is discharged into the furnace chamber of the furnace body 10 by an air outlet assembly 30, the materials in a bracket 20 are baked, then the hot air is discharged by the air outlet pipe 14 at the top of the furnace body 10, the furnace body 10 is also hinged with a furnace door 16 for sealing the furnace chamber, and a mounting groove 17 is formed in the side wall opposite to the furnace door 16.

Referring to fig. 2 and 9, the support 20 is composed of a support frame 21 and support tables 22, the support tables 22 are provided with multiple layers and fixed on the support frame 21 at equal intervals up and down, each layer of support table 22 is provided with a tray 23 for holding materials, each layer of support table 22 is fixedly provided with a vertical plate 221, and the vertical plates 221 are provided with a thermometer 222 for monitoring the temperature of each layer of support table 22.

Referring to fig. 9, a transverse mounting frame 223 and a transverse plate 224 are disposed above each layer of supporting platform 22, the transverse plate 224 is slidably assembled in the mounting frame 223, a plurality of turning teeth 225 are fixedly mounted at the bottom of the transverse plate 224, a connecting rod 226 is vertically fixed between two upper and lower adjacent mounting frames 223, the connecting rod 226 is slidably assembled inside the supporting platform 22, an adjusting bolt 227 is rotatably connected to the top of the uppermost layer of mounting frame 223, the adjusting bolt 227 is in threaded connection inside the supporting frame 21, a deflector rod 228 is fixedly connected to one end, close to the mounting frame 223, of the transverse plate 224, the connecting rod 226 is rotated through the adjusting bolt 227 to enable the connecting rod 226 to slide and lift in the supporting platform 22, the height of the transverse plate 224 and the turning teeth 225 is adjusted, the turning teeth 225 are inserted into materials of the tray 23, then the transverse plate 224 is slidably moved in the mounting frame 223 through pushing the deflector rod 228, the materials can be turned by the turning teeth 225, so that hot air can enter the inside the materials better, and then the baking effect on the materials is improved.

Referring to fig. 6-8, the air outlet assembly 30 has a plurality of groups and corresponds to the multi-layer supporting table 22 one by one, the air outlet assembly 30 includes a fixed plate 31 and a movable plate 32, the fixed plate 31 is fixedly installed on the inner side wall of the furnace body 10, a fixed air hole 33 is formed in the fixed plate 31 and is used for communicating the furnace chamber of the furnace body 10 with the side air chamber 12, the movable plate 32 is slidably assembled in the side air chamber 12 and is located at one side of the fixed plate 31, a movable air hole 34 matched with the fixed air hole 33 is formed in the movable plate 32, so that after the movable air hole 34 is communicated with the fixed air hole 33, hot air in the side air chamber 12 can enter the furnace chamber to bake materials, after the movable plate 32 moves to enable the movable air hole 34 to be dislocated with the fixed air hole 33, the communication area between the movable air hole 34 and the fixed air hole 33 is changed, and then the air inflow of the fixed plate 31 can be adjusted.

Referring to fig. 7 and 8, a support 321 fixed inside the side air chamber 12 is disposed below the movable plate 32, a chute 322 is formed in the bottom of the movable plate 32 along the length direction of the movable plate, the top end of the support 321 is slidably connected inside the chute 322, and the movable plate 32 is supported by the support 321, so that the movable plate 32 can slide on the support 321 through the chute 322 to adjust the flow of hot air passing through the air outlet assembly 30.

Referring to fig. 8, the adjusting mechanism 40 includes a screw 41 and a screw cylinder 42, the screw 41 is rotatably assembled in the side air chamber 12, the screw cylinder 42 is in threaded connection with the outside of the screw 41, one end of the screw cylinder 42 far away from the screw 41 is fixedly connected to the movable plate 32, the screw cylinder 42 is rotated by the screw 41 to enable the screw cylinder 42 to slide outside the screw 41 to drive the movable plate 32 to move, then the movable air hole 34 and the fixed air hole 33 are dislocated, the communication area of the movable air hole 34 and the fixed air hole 33 is changed, then the flow of hot air is adjusted, the temperature difference between the supporting tables 22 of each layer is reduced, the baking effect on materials is improved, and a second motor mounted on the furnace body 10 is arranged at the end of the screw 41 to drive the screw 41 to rotate.

Referring to fig. 5 and 7, the air guide assembly 50 includes an air guide plate 51 and a push rod 52, the air guide plate 51 is rotatably connected to the fixed plate 31, the push rod 52 is disposed in the cavity of the furnace body 10, and the push rod 52 can slide back and forth relative to the furnace body 10, a side rod 521 is fixedly connected to the push rod 52, a transverse slot 511 is formed at the top of the air guide plate 51 along the length direction of the side rod, one end of the side rod 521, far away from the push rod 52, is slidably connected to the inside of the transverse slot 511, so that when the push rod 52 moves in the cavity, the side rod 521 slides along the transverse slot 511 to drive the air guide plate 51 to rotate and swing on the fixed plate 31, guide the discharge direction of hot air, and uniformly arrange the hot air on each layer of supporting tables 22.

Referring to fig. 3, a collar 522 adapted to the deflector 228 is fixedly connected to the push rod 52, and an end of the deflector 228 can be inserted into the collar 522 when the transverse plate 224 descends, so that after the material turning teeth 225 are inserted into the material, the deflector 228 can be inserted into the collar 522, and then when the push rod 52 reciprocates, the deflector 228 and the transverse plate 224 can be driven by the collar 522 to synchronously move, and then the material in the tray 23 is turned by the material turning teeth 225.

Referring to fig. 6 and 8, a pushing mechanism 60 is further disposed in the furnace body 10 and is used for driving the push rod 52 to reciprocate in the furnace body 10, the pushing mechanism 60 includes a reciprocating screw 61, a mounting plate 62, a sliding block 63 and a first motor 64, the reciprocating screw 61 is rotatably assembled on a side wall of the furnace body 10, the mounting plate 62 is slidably connected in the mounting groove 17, an end portion of the push rod 52 is fixedly mounted on the mounting plate 62, the sliding block 63 is fixedly mounted in the middle of the mounting plate 62, and the sliding block 63 is disposed outside the reciprocating screw 61 and can reciprocate along a thread groove on the reciprocating screw 61 along with rotation of the reciprocating screw 61, and then the mounting plate 62 reciprocates with the push rod 52 to enable the air deflector 51 to swing and guide air, the first motor 64 is fixedly mounted on the furnace body 10, and an output end of the first motor 64 is coaxially fixed with the reciprocating screw 61 and can be driven by the first motor 64 to rotate.

The working principle is that the bracket 20 is placed into the furnace chamber of the furnace body 10, the connecting rod 226 slides and descends in the supporting table 22 through the rotation of the adjusting bolt 227, the height of the transverse plate 224 and the height of the turning teeth 225 are adjusted, the turning teeth 225 are inserted into materials of the tray 23, meanwhile, the deflector rod 228 is inserted into the annular sleeve 522, then the furnace door 16 is closed, air is introduced into the upper air chamber 11 through the air inlet pipe 13, the air is heated by the combustion unit, hot air is blown by the fan 15 to form hot air to flow towards the side air chamber 12, the hot air passes through the fixed air holes 33 and the movable air holes 34 to blow into each layer of supporting table 22, and the materials are baked;

the first motor 64 drives the reciprocating screw 61 to rotate, the sliding block 63 reciprocates along the thread groove on the reciprocating screw 61, then the mounting plate 62 reciprocates with the push rod 52, the side rod 521 slides along the transverse groove 511 during the movement of the push rod 52 to drive the air deflector 51 to rotate and swing on the fixed plate 31, the hot air discharging direction is guided, the annular sleeve 522 drives the deflector 228 and the transverse plate 224 to synchronously move, then the material in the tray 23 is turned by the turning teeth 225, meanwhile, the temperature on each layer of support table 22 is monitored by the thermometer 222, the screw 41 is driven to rotate by the second motor, the thread cylinder 42 slides outside the screw 41 to drive the movable plate 32 to move, then the movable air hole 34 and the fixed air hole 33 are dislocated, the communication area between the movable air hole 34 and the fixed air hole 33 is changed, then the flow rate of hot air is adjusted, the air inlet speed on each layer of support table 22 is adjusted, and then the temperature on each layer of support table 22 is controlled, and the temperature on each layer of support table 22 is nearly the same.

According to the invention, through adjusting the communication area of the fixed air holes 33 and the movable air holes 34 at the side of the supporting table 22, the ventilation quantity on each layer of supporting table 22 is conveniently regulated and controlled, the temperature on each layer of supporting table 22 is approximately the same, the temperature difference between each layer of supporting table 22 is reduced, the swinging of the air deflector 51 guides the trend of hot air, the air is uniformly distributed on the supporting table 22, the temperature of each region position on the supporting table 22 is approximately the same, the baking time of each layer of materials is approximately the same, the probability of over-baking or under-baking condition is effectively reduced, the overall quality of the materials is improved, the transverse plate 224 moves along with the push rod 52, the turning teeth 225 turn the materials, the hot air can better circulate inside the materials, the materials on the lower layer of the tray 23 can be better contacted with the hot air, the hot air can bake the materials more uniformly, the baking time is shortened, and the baking quality is improved.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims

1. The baking oven comprises an oven body and a bracket, wherein a plurality of layers of trays are arranged in the bracket, and the baking oven is characterized in that an upper air cavity is formed in the top wall of the oven body and used for forming hot air, side air cavities communicated with the upper air cavity are formed in the left side wall and the right side wall of the oven body, air outlet assemblies are arranged on the side sides of each layer of trays and used for enabling hot air in the side air cavities to enter the oven cavity of the oven body, and air guide assemblies are arranged on the air outlet assemblies and used for guiding the blowing-out direction of the hot air;

The air guide assembly comprises an air guide plate and a push rod, the air guide plate is rotationally connected to the fixed plate, the push rod is arranged in a furnace chamber of the furnace body, and the push rod can slide back and forth relative to the furnace body so as to push the air guide plate to rotate on the fixed plate;

the support consists of a support frame and a support table, wherein the support table is provided with multiple layers and is fixed on the support frame at equal intervals up and down;

The push rod is fixedly connected with a side rod, the top of the air deflector is provided with a transverse groove along the length direction of the air deflector, one end of the side rod, which is far away from the push rod, is slidingly connected inside the transverse groove, and one side of the push rod is provided with a pushing mechanism for driving the push rod to reciprocate in the furnace body to approach or be far away from the furnace door;

a transverse mounting frame and a transverse plate are arranged above each layer of supporting table, the transverse plates are assembled in the mounting frames in a sliding manner, and a plurality of turning teeth are fixedly arranged at the bottoms of the transverse plates;

a connecting rod is vertically fixed between two upper and lower adjacent mounting frames, the connecting rod is slidably assembled inside a supporting table, the top of the uppermost mounting frame is rotationally connected with an adjusting bolt, the adjusting bolt is in threaded connection inside the supporting frame, one end of a transverse plate, which is close to the mounting frame, is fixedly connected with a deflector rod, a ring sleeve which is matched with the deflector rod is fixedly connected to a push rod, and the end part of the deflector rod can be inserted into the ring sleeve when the transverse plate descends.

2. The roaster according to claim 1, wherein the top of the furnace body is respectively inserted with an air inlet pipe and an air outlet pipe, the bottom end of the air inlet pipe is communicated with an upper air cavity, the bottom end of the air outlet pipe is communicated with a furnace chamber of the furnace body, and a fan and a combustion unit are arranged in the upper air cavity.

3. The roaster according to claim 2, wherein the oven body is further hinged with an oven door, and a mounting groove is formed in a side wall of the oven body opposite to the oven door.

4. A roaster according to claim 3, wherein the trays are arranged on support platforms, and wherein a riser is fixedly mounted on each layer of support platform and a thermometer is arranged on the riser.

5. The roaster according to claim 4, wherein a support fixed in the side air chamber is provided under the movable plate, a sliding groove is provided at the bottom of the movable plate along the length direction thereof, the top end of the support is slidably connected in the sliding groove, and an adjusting mechanism is provided at one side of the movable plate for pushing the movable plate to slide on the support.

6. The roaster according to claim 5, wherein the adjusting mechanism comprises a screw rod and a screw thread cylinder, the screw rod is rotatably assembled in the side air chamber, the screw thread cylinder is in threaded connection with the outside of the screw rod, one end, far away from the screw rod, of the screw thread cylinder is fixedly connected to the movable plate, and a second motor installed on the furnace body is arranged at the end part of the screw rod.

7. The roaster according to claim 3, wherein the pushing mechanism comprises a reciprocating screw, a mounting plate, a sliding block and a first motor, the reciprocating screw is rotatably assembled on the side wall of the furnace body, the mounting plate is slidably connected in the mounting groove, the end part of the push rod is fixedly mounted on the mounting plate, the sliding block is fixedly mounted in the middle of the mounting plate, the sliding block is arranged outside the reciprocating screw and can reciprocate along a thread groove on the reciprocating screw along with the rotation of the reciprocating screw, the first motor is fixedly mounted on the furnace body, and the output end of the first motor is coaxially fixed with the reciprocating screw.