Furnace core for automatic cooker and automatic cooker applying same

Abstract

The utility model provides a furnace core for an automatic cooker and the automatic cooker. The furnace core comprises a hearth, a pot container in the hearth, a shifting shovel arranged in the pot container, a driving device arranged at the bottom of the hearth and used for driving the pot container to rotate, a first overturning shaft and a second overturning shaft, wherein the first overturning shaft and the second overturning shaft are arranged on the two sides of the hearth, are hollow and respectively form an air inlet and an air outlet; the hearth is of a hollow structure and comprises an air inlet duct and an air outlet duct which are arranged on the two sides of the hearth, the air inlet duct communicates with the air inlet, and the air outlet duct communicates with the air outlet; the buffer gas chamber is arranged at the bottom of the hearth; the heater cavities are arranged between the air inlet duct and the air outlet duct on the two sides of the hearth, the air inlet sides of the heater cavities are communicated with the air inlet duct through buffer air chambers, and the air outlet sides of the heater cavities are communicated with the air outlet duct; the heater wire coil is arranged in the heater cavity; and the plurality of cooling fans are arranged in the buffer air chamber, so that air is exhausted from the air outlet after sequentially passing through the air inlet, the air inlet duct, the buffer air chamber, the heater cavity and the air outlet duct.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic cooking machine technical field, especially a kind of furnace core for automatic cooking machine and the automatic cooking machine of application thereof. BACKGROUND

[0002] With the continuous improvement of science and technology, automation equipment has been applied in various fields of social life, which has the advantages of replacing manual operation, saving human resources, reducing labor intensity and improving work efficiency. As a kind of modern kitchen automation equipment, automatic cooking machine / automatic cooking robot can automatically complete frying, frying, cooking, frying, frying, stewing, cooking and other cooking methods instead of manual operation. With the continuous emergence of different types of automatic cooking machine / automatic cooking robot, not only the cooking efficiency is improved, but also the labor intensity of chef is reduced, which not only reduces the cost of catering industry, but also promotes the development of Chinese food standardization, so as to reduce the cost of Chinese food enterprises and ensure the consistency of dishes in different stores, so as to gain a great advantage in the fierce market competition. In order to realize the standardization of Chinese food, in addition to improving the level of standardized management, the performance of automatic cooking equipment also plays a crucial role.

[0003] The existing furnace core for automatic cooking machine usually heats the pot inside the furnace by passing high-frequency current into the electromagnetic coil of the heater to generate electromagnetic induction. When the electromagnetic coil heats the pot, the high-frequency current of the coil has skin effect, so the coil wire is usually composed of multiple strands of insulated fine wire (litz wire, enameled wire) to increase the effective surface area of the conductor. However, the temperature resistance range of the insulating paint material on the surface of the commonly used coil wire is 150-180℃, and the electromagnetic coil itself generates a lot of heat when heating the pot. However, the existing furnace core for automatic cooking machine usually does not provide forced heat dissipation design for the heater electromagnetic coil, i.e. the heater electromagnetic coil still uses natural heat dissipation, which has poor heat dissipation effect, easily leading to failure of the insulating paint temperature of the coil wire due to exceeding the temperature resistance range, increasing the impedance of the coil wire to the passing high-frequency current, increasing the self-heating amount, causing the automatic cooking machine to need frequent shutdown and cooling or even damage, affecting the working efficiency and service life of the automatic cooking machine, and unable to meet the high-intensity use requirements of commercial equipment.

[0004] In addition, due to the small internal space of the main machine of the automatic cooking machine, it is not easy to install the traditional heat dissipation fan; and the traditional heat dissipation fan cannot solve the problem of interference of the cooking oil fume during the process of the heat dissipation air flowing to the heater electromagnetic coil, resulting in poor heat dissipation effect. If a sealed air duct is arranged in the narrow main machine to reach the heater electromagnetic coil, it is more difficult to install.

[0005] Meanwhile, in the process of turning and frying of the pot, the temperature sensor on the rotating pot is prone to cable winding, so it is difficult to connect the traditional cable with the external temperature measuring control device, and the temperature measuring signal is not easy to realize. In addition, the traditional furnace core for the automatic cooking machine needs to be driven by a motor with a speed reducer to rotate the pot or the pot shovel inside the pot, and the driving device and the transmission device are complex in structure and large in size. The transmission device is prone to noise and wear of the speed reduction gear and other moving parts, resulting in the need for regular lubricant maintenance of multiple parts of the transmission device. In addition, the bore wall framework of the automatic cooking machine furnace core needs to meet the high temperature resistance and have a certain strength. Content of the utility model

[0006] The utility model provides a kind of furnace core for automatic cooking machine and the automatic cooking machine of its application, to solve the technical problems that the heater electromagnetic coil of existing furnace core for automatic cooking machine is not good at heat dissipation, and coil wire insulating paint is prone to failure.

[0007] To solve the above problems, the technical scheme adopted by the utility model is:

[0008] The utility model provides a kind of furnace core for automatic cooking machine, including hearth and the pot of being located in hearth, the shovel of being located in the inside of pot, the driving device for driving pot rotation of being located at the bottom of hearth, and the first turnover shaft and the second turnover shaft of being oppositely arranged in hearth two sides;Its characterized in that, first turnover shaft and second turnover shaft are hollow inside and form air inlet and air outlet respectively, and hearth includes:

[0009] Bore wall, bore wall is hollow inside;

[0010] Bottom disc, is connected to the bottom of bore wall;

[0011] Air inlet duct and air outlet duct, oppositely arranged between air inlet duct and air outlet duct of bore wall two sides, and air inlet duct is communicated with air inlet, and air outlet duct is communicated with air outlet;

[0012] Buffer air chamber, is located below bottom disc, and driving device is located in buffer air chamber;

[0013] A pair of heater cavities, oppositely arranged between air inlet duct and air outlet duct of bore wall two sides, and the air inlet side of heater cavity is communicated with air inlet duct through buffer air chamber, and the air outlet side of heater cavity is communicated with air outlet duct;

[0014] Heater coil, is located in heater cavity;

[0015] A plurality of cooling fans, make cooling gas enter from air inlet, in turn pass through air inlet duct, buffer air chamber, heater cavity, air outlet duct, and finally discharge from air outlet.

[0016] Preferably, a plurality of heat dissipation fans are arranged in the buffer air chamber and are spacedly arranged on the peripheral side of the base plate along the circumference of the hearth for blowing the heat dissipation gas entering the buffer air chamber through the air inlet and the air inlet duct into the heater cavity.

[0017] Further, the hearth comprises:

[0018] a hearth wall skeleton, the base plate being connected to the bottom end of the hearth wall skeleton;

[0019] a hearth wall lining installed on the hearth wall skeleton;

[0020] the hearth wall further comprises:

[0021] a duct shell surrounding the peripheral side of the hearth wall skeleton and forming a hearth wall cavity between the hearth wall lining, the duct shell and the base plate;

[0022] a plurality of partitions arranged in the hearth wall cavity and connected between the hearth wall skeleton and the duct shell to divide the hearth wall cavity into the air inlet duct, the air outlet duct and the heater cavity;

[0023] the heater coil is arranged on the outer side wall of the hearth wall lining and located in the heater cavity.

[0024] Preferably, one end of the hearth wall skeleton is provided with a mouth ring plate closing the hearth wall cavity 27, and the hearth wall lining is arranged on the inner side of the hearth wall skeleton;

[0025] the base plate is connected to the other end of the hearth wall skeleton opposite to the mouth ring plate, and the peripheral side of the base plate forms a flange protruding from the hearth wall skeleton, the flange being arranged opposite to the mouth ring plate;

[0026] the partitions comprise:

[0027] a pair of first duct partitions arranged on one side of the hearth wall skeleton and connected between the mouth ring plate and the flange;

[0028] a pair of second duct partitions arranged on the other side of the hearth wall skeleton opposite to the first duct partitions and connected between the mouth ring plate and the flange;

[0029] the duct shell covers the outer side of the pair of first duct partitions and the pair of second duct partitions and is connected between the mouth ring plate and the flange, and forms the hearth wall cavity between the hearth wall lining, the duct shell, the mouth ring plate and the base plate;

[0030] the air inlet duct is formed by the duct shell and the hearth wall lining, the mouth ring plate, the flange and the pair of first duct partitions, the air outlet duct is formed by the duct shell and the hearth wall lining, the mouth ring plate, the flange and the pair of second duct partitions, and the heater cavity is formed by the duct shell and the hearth wall lining, the mouth ring plate, the flange, the first duct partitions and the adjacent second duct partitions;

[0031] The flange is provided with a ventilation through hole connecting the air inlet air duct and the buffer air chamber, and two groups of cavity air inlet holes arranged along the circumference of the wall skeleton and connecting the pair of heater cavities and the buffer air chamber respectively, and the heat dissipation fan is arranged at the cavity air inlet hole correspondingly;

[0032] The first and second overturning shafts are arranged on opposite sides of the wall skeleton respectively, and the air inlet and the air outlet are connected to the air duct shell covering the air inlet air duct and the air outlet air duct respectively.

[0033] Further, the hearth further comprises:

[0034] The air chamber bottom shell is arranged at the bottom end of the bottom plate away from the wall skeleton and covers the outside of the cavity air inlet hole and the heat dissipation fan, and the buffer air chamber is formed between the bottom plate and the air chamber bottom shell.

[0035] Further, the furnace core for the automatic cooking machine further comprises:

[0036] The disc type slip ring is arranged at the rotating connection between the pot and the bottom plate, and is used for connecting the temperature sensor on the pot with the temperature measurement control device outside the furnace core.

[0037] Preferably, the pot is in a cylindrical shape matching the shape of the wall skeleton, one axial end of the pot is an open pot end, and the other axial end of the pot is a closed pot bottom end, and the pot bottom end is rotatably connected to the bottom plate.

[0038] The disc type slip ring comprises:

[0039] The plurality of temperature sensors are uniformly and spacedly arranged on the circumferential side of the pot along the circumference of the pot.

[0040] The slip ring rotor is arranged on the outer wall of the pot bottom end, and the plurality of groups of sliding electrodes are uniformly and spacedly arranged on the slip ring rotor along the circumference of the slip ring rotor and are electrically connected with the temperature sensors one by one, and each group of sliding electrodes comprises a plurality of sliding electrodes spaced along the radial direction of the slip ring rotor, and the arc length of the sliding electrode determines the circumferential area of the pot covered by the corresponding temperature sensor.

[0041] The slip ring stator is arranged on the inner side of the bottom plate facing the wall skeleton, and the plurality of groups of stator electrodes are uniformly and spacedly arranged on the slip ring stator along the circumference of the slip ring stator, and each group of stator electrodes comprises a plurality of stator electrodes spaced along the radial direction of the slip ring stator and matched with the sliding electrodes, and the position of each group of stator electrodes corresponds to the position of the measured pot.

[0042] The slip ring rotor is rotatably connected to the slip ring stator, and the sliding electrodes can be in contact with the corresponding stator electrodes during rotation, so that the temperature sensor at the corresponding position of the pot is electrically connected with the temperature measurement control device.

[0043] Preferably, the driving device comprises:

[0044] A driving mechanism is arranged in the middle of the base;

[0045] A transmission assembly is connected between the driving mechanism and the bottom end of the pot;

[0046] The driving mechanism is used to drive the transmission assembly to rotate, so as to drive the pot to rotate synchronously inside the hearth.

[0047] Preferably, the shovel comprises:

[0048] A shovel handle is connected to the bottom end of the pot and is installed at the center of the pot and coincides with the axis of the pot;

[0049] A shovel plate is installed on the shovel handle, and the outer edge of the shovel plate is close to the inner wall of the pot.

[0050] The utility model also provides an automatic cooking machine, including host computer, still include above-mentioned for automatic cooking machine's furnace core;

[0051] A pair of bearings are arranged in the host computer;

[0052] The hearth is rotatably connected to the host computer through the first and second overturning shafts and the pair of bearings.

[0053] Compared with the prior art, the utility model has the following beneficial effects:

[0054] The furnace core for the automatic cooking machine provided by the utility model provides the air duct structure for the heater coil in the hearth and the ventilation and heat dissipation of the external environment of the automatic cooking machine, the air inlet and air outlet of the air duct can be formed by the hollow support shaft of the hearth, the air inlet air duct, the heater cavity and the air outlet air duct can be formed by the hollow hearth wall of the hearth, the buffer air chamber for installing the fan group can be formed by the space of the pot drive, the fan group blows the air in the buffer air chamber to the heater cavity, the buffer air chamber forms negative pressure, so that the cold air flows into the buffer air chamber through the air inlet air duct, the fan blows the cold air into the heater cavity, so that the heater cavity forms positive pressure, and the hot air in the heater cavity is forced to flow out of the air outlet through the air outlet air duct, so that the forced heat dissipation of the heater coil in the heater cavity is completed, the heat dissipation air is completely isolated from the working area of the pot, the pollution of the cooking fume to the heater is avoided, and the service life of the heater is prolonged, compared with the furnace core of natural heat dissipation, the furnace core provided by the utility model meets the continuous high-intensity use requirement of the automatic cooking machine.

[0055] In addition, the ventilation and heat dissipation structure of the furnace core is compact in layout, the internal space of the hollow hearth wall and the hollow support shaft of the hearth is fully utilized to arrange the air duct, and the volume of the furnace core does not need to be additionally increased, when applied to the automatic cooking machine, the automatic cooking machine is convenient to install, does not need to be additionally provided with a complex air duct and sealing structure, and the structure of the automatic cooking machine is simplified.

[0056] Meanwhile, the temperature sensor of the furnace core, the connection layout of the slip ring rotor and its sliding electrode, the slip ring stator and its stator electrode can realize that the temperature sensing signal of the temperature sensor is transmitted to the external temperature sensing control device during the rotation and stir-frying of the pot, realizes the jump from power control to temperature control, so that the automatic cooking machine truly realizes the fire control; the driving device for driving the pot to rotate adopts a direct drive motor, which reduces the height of the furnace core, reduces the transmission noise compared with the mechanical speed reducer and transmission structure, and does not need to use lubricant maintenance, and since there is no mechanical wear, the service life of the driving device is greatly prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0057] In order to more clearly illustrate the technical scheme provided by the present application, the present application will be described in detail below in conjunction with the embodiments and drawings. It should be understood that the embodiments described in the following specific embodiments and the drawings of the specification are only some embodiments of the present application, and those skilled in the art can change these drawings under the concept of the present application.

[0058] Figure 1 The assembly structure of the embodiment of the furnace core provided by the present application is shown in the exploded structure perspective view Figure 1 ;

[0059] Figure 2 The assembly structure of the embodiment of the furnace core provided by the present application is shown in the exploded structure perspective view Figure 2 ;

[0060] Figure 3 The assembly structure of the embodiment of the furnace core provided by the present application is shown in the exploded structure perspective view

[0061] Figure 4 The assembly structure of the embodiment of the furnace core provided by the present application is shown in the exploded structure perspective view

[0062] Figure 5 The exploded structure perspective view of the furnace core in Figure 1 ; The exploded structure perspective view of the furnace core in

[0063] Figure 6 The exploded structure perspective view of the furnace core in Figure 5 ; The exploded structure perspective view of the furnace core in

[0064] Figure 7 The exploded structure perspective view of the furnace core in Figure 2 ; The exploded structure perspective view of the furnace core in

[0065] Figure 8 The exploded structure perspective view of the furnace core in Figure 7 ; The exploded structure perspective view of the furnace core in

[0066] Figure 9 Fig. 2 is a schematic view of the sectional structure of the furnace core in Fig. 1 along the A-A direction; Figure 3 Fig. 3 is a schematic view of the sectional structure of the furnace core in Fig. 1 along the B-B direction.

[0067] Figure 10 Fig. 4 is a schematic view of the sectional structure of the furnace core in Fig. 1 along the C-C direction. Figure 3 Fig. 5 is a schematic view of the sectional structure of the furnace core in Fig. 1 along the D-D direction.

[0068] In the drawings, the main reference numerals are as follows:

[0069] 1, kettle; 11, kettle mouth end; 111, annular flange; 12, kettle bottom end; 121, perforation; 122, connecting disc; 1221, second mounting hole; 123, hollow column; 13, spade; 131, spade handle; 132, spade plate; 2, furnace; 21, furnace wall; 211, furnace wall framework; 2111, furnace mouth end; 2112, furnace bottom end; 21121, circular accommodation hole; 2113, furnace mouth ring plate; 2114, mounting groove; 212, furnace wall lining; 22, bottom disc; 221, flange; 2211, ventilation through hole; 2212, cavity air inlet hole; 25, air duct shell; 251, arc cover plate; 2511, ventilation hole; 26, air chamber bottom shell; 27, furnace wall cavity; 271, air inlet air duct; 272, air outlet air duct; 273, heater cavity; 28, partition; 281, first air duct partition; 282, second air duct partition; 2821, cavity air outlet hole; 3, driving device; 31, driving mechanism; 311, stator core; 312, stator coil; 313, rotor rear cover; 3131, mounting flange; 314, rotor magnet; 32, transmission assembly; 321, shaft sleeve; 3211, first mounting hole; 322, connecting shaft assembly; 3221, output shaft; 3222, driving shaft; 3223, support bearing; 4, buffer air chamber; 5, first overturning shaft; 51, air inlet; 6, second overturning shaft; 61, air outlet; 7, heater coil; 8, heat dissipation fan; 9, disc type slip ring; 91, temperature sensor; 92, slip ring rotor; 921, sliding electrode; 922, annular sliding rail; 923, rotor inner hole; 93, slip ring stator; 931, stator electrode; 932, annular sliding groove; 933, stator inner hole.

[0070] In the drawings, the other reference numerals are as follows:

[0071] X, first rotation axis; Y, second rotation axis. DETAILED DESCRIPTION

[0072] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the following will be further described in detail in combination with the accompanying drawings and embodiments. Figures 1-10

[0073] Please refer to​Figures 1-10 The utility model provides a furnace core for automatic cooking machine, including the pot 1 of being located in the inner layer and the hearth 2 of being located in the outer layer (that is, hearth 2 sets up in the pot 1 outside), be located in the bottom of hearth 2, be used for driving the drive arrangement 3 of pot 1 rotation, and the first turnover shaft 5 and the second turnover shaft 6 of being opposite to set up in hearth 2 both sides, first turnover shaft 5 and second turnover shaft 6 inside hollow and form air inlet 51 and air outlet 61 respectively.

[0074] Wherein hearth 2 includes:

[0075] The chamber wall 21 is hollow inside; the bottom disc 22 is connected to the bottom end of the chamber wall 21; the air inlet duct 271 and the air outlet duct 272 are oppositely arranged on both sides of the chamber wall 21, and the air inlet duct 271 is in communication with the air inlet 51, and the air outlet duct 272 is in communication with the air outlet 61; the buffer air chamber 4 is arranged below the bottom disc 22 (i.e. the bottom end of the chamber wall 21); a pair of heater cavities 273 are oppositely arranged between the air inlet duct 271 and the air outlet duct 272 on both sides of the hearth 2, and the air inlet side of the heater cavity 273 is in communication with the air inlet duct 271 through the buffer air chamber 4, and the air outlet side of the heater cavity 273 is in communication with the air outlet duct 272; the heater wire coil 7 is arranged in the heater cavity 273;

[0076] A plurality of cooling fans 8 are arranged to allow the cooling gas to enter from the air inlet 51, pass through the air inlet duct 271, the buffer air chamber 4, the heater cavity 273, the air outlet duct 272 in sequence, and finally be discharged from the air outlet 61.

[0077] Please refer to Figures 1-10 The utility model provides a furnace core for automatic cooking machine, which comprises a pot 1 serving as a container of the furnace core for containing food materials, and a hearth 2 serving as a body of the furnace core for connecting a main machine of the automatic cooking machine, driving the pot 1 to overturn, driving the pot 1 to rotate, and mounting a heater wire coil 7 for heating the pot 1.

[0078] Please refer to Figure 1 、 5 In this embodiment, the air inlet duct 271 is in communication with the buffer air chamber 4, and a pair of heater cavities 273 are oppositely arranged on both sides of the hearth 2 and staggered with the air inlet duct 271 and the air outlet duct 272, wherein the air inlet side of the heater cavity 273 is the side of the heater cavity 273 close to the bottom end of the hearth 2 (the hearth 2), and the air outlet side of the heater cavity 273 is the opposite side of the heater cavity 273 away from the bottom end of the hearth 2 and close to the top end of the hearth 2. The corresponding air inlet sides of the pair of heater cavities 273 are in communication with both sides of the buffer air chamber 4, and the corresponding air outlet sides of the pair of heater cavities 273 are in communication with both sides of the parts of the air outlet duct 272 away from the bottom end of the hearth 2 (the chamber wall 21) and close to the top end of the hearth 2 (the chamber wall 21).

[0079] Please see Figure 1 , 5 -10, in this embodiment, a plurality of heat dissipation fans 8 are arranged in the buffer air chamber 4 and are distributed on the bottom end of the hearth 2 in the circumferential direction of the hearth 2, and are used to blow the heat dissipation gas entering the buffer air chamber 4 through the air inlet 51 and the air inlet duct 271 into the heater cavity 273.

[0080] Please see Figure 1 , 5 -10, as a preferred embodiment of the present embodiment, the heat dissipation fan 8 is a micro fan, and a plurality of heat dissipation fans 8 (micro fans) are evenly distributed below the bottom plate 22 at the bottom end of the hearth 2 (hearth wall 21) in the circumferential direction of the hearth 2, so that the heat dissipation gas entering the buffer air chamber 4 is blown by the plurality of heat dissipation fans 8 (micro fans) to flow along the axial direction of the hearth 2 to the top end of the hearth 2 through the heater cavity 273, and the surface of the heater coil 7 is blown, the heat dissipation effect of the heater coil 7 in the heater cavity 273 is better, the heat dissipation of the heater coil 7 is more uniform, and the integration of the furnace core is improved, and the precious space occupied by the heat dissipation fan installed in the main machine of the automatic cooking machine using the furnace core is saved.

[0081] In other embodiments, only one heat dissipation fan 8 working in a blowing or suction mode can be provided.

[0082] Please see Figures 1-7 , in this embodiment, the first turning shaft 5 is arranged on one side of the hearth 2 (hearth wall 21) corresponding to the air inlet duct 271, and the first turning shaft 5 is provided with an air inlet 51 penetrating the first turning shaft 5 in the axial direction and communicating with the air inlet duct 271; the second turning shaft 6 is arranged on the other side of the hearth 2 (hearth wall 21) corresponding to the air outlet duct 272 and coaxially arranged with the first turning shaft 5, and the second turning shaft 6 is provided with an air outlet 61 penetrating the second turning shaft 6 in the axial direction and communicating with the air outlet duct 272.

[0083] When the furnace core is applied to an automatic cooking machine, the first turning shaft 5 and the second turning shaft 6 are matched with a pair of bearings arranged on the main machine (not shown in the figure) of the automatic cooking machine, so that the hearth 2 is connected to the main machine by rotating (i.e. turning up and down) around the first rotating shaft X coinciding with the first turning shaft 5 and the second turning shaft 6.

[0084] Please see Figure 1 , 5-10, in this embodiment, the hearth 2 is cylindrical, the axial one end of the hearth 2 (the chamber wall 21) is the top end of the hearth 2, and the top end of the hearth 2 is open; the axial other end of the hearth 2 (the chamber wall 21) is the bottom end of the hearth 2, and the bottom end of the hearth 2 is closed. The heater coil 7 is attached to the outer side of the inner wall of the hearth 2 (the chamber wall 21), that is, in the heater cavity 273, and the heater coil 7 is an electromagnetic heating coil.

[0085] When the heater coil 7 is working, the coil passes through high-frequency current, so that the whole heater coil 7 generates an alternating magnetic field, and the alternating magnetic field generates eddy current on the inner pot 1. Affected by the conductivity of the inner pot 1, the eddy current generated on the inner pot 1 will have a thermal effect on the inner pot 1, thereby realizing the electromagnetic eddy current heating of the heater coil 7 on the outer side of the hearth lining 212 of the hearth 2 to the inner pot 1 in the hearth 2.

[0086] When the heater coil 7 is working, the cooler gas in the external environment passes through the inside of the main machine of the automatic cooking machine, and then enters the buffer air chamber 4 at the bottom end of the hearth 2 as a cooling gas through the air inlet 51 in the inside of the first turning shaft 5, the air inlet air duct 271 on one side of the hearth 2, and then is blown into the air inlet side of the pair of heater cavities 273 adjacent to the air inlet air duct 271 and arranged on both sides of the hearth 2 by a plurality of cooling fans 8 arranged in the buffer air chamber 4, and flows in the axial direction of the hearth 2 away from the bottom end of the hearth 2 (at the same time close to the top end of the hearth 2 opposite to the buffer air chamber 4) in the heater cavities 273, thereby cooling the heater coil 7 on the outer surface of the hearth lining 212 of the hearth 2 in the heater cavities 273. Finally, the hot air (i.e. the hot air heated by the heater coil 7) enters the air outlet air duct 272 from the air outlet side of the heater cavities 273 close to the top end of the hearth 2 (i.e. away from the bottom end of the hearth 2), and then is discharged to the external environment through the air outlet air duct 272 on the other side of the hearth 2, the air outlet 61 in the inside of the second turning shaft 6, and the inside of the main machine in sequence.

[0087] The above air inlet 51, air inlet air duct 271, buffer air chamber 4, cooling fan 8 in the inside thereof, pair of heater cavities 273, air outlet air duct 272, and air outlet 61 constitute an air duct structure arranged on the outside of the hearth 2 for ventilating and cooling the heater coil 7 in the pair of heater cavities 273 and the external environment of the automatic cooking machine. The air duct structure continuously works according to the above steps, so that the electromagnetic eddy current heating of the inner pot 1 in the hearth 2 by the heater coil 7 is continuously and efficiently ventilated and cooled, thereby avoiding the failure of the coil wire insulation paint due to the poor heat dissipation effect of the electromagnetic coil on the hearth surface, and the frequent shutdown and cooling of the automatic cooking machine or even the damage of the automatic cooking machine.

[0088] Meanwhile, the air inlet 51, the air inlet air duct 271, the buffer air chamber 4 and the heat dissipation fan 8 inside the buffer air chamber 4, the pair of heater cavities 273, the air outlet air duct 272 and the air outlet 61 of the furnace core for the automatic cooking machine are compact in layout, and the installation space inside the outer side surface, the bottom end and the first turnover shaft 5 and the second turnover shaft 6 of the hearth wall 21 of the hearth 2 is utilized to arrange the air duct, so that the precious space inside the main machine of the automatic cooking machine for installing the air duct structure is saved, meanwhile, the complicated air duct and the sealing structure in the main machine are not needed, and the main machine structure of the automatic cooking machine is simplified.

[0089] In addition, since the heat dissipation air comes from the inner holes of the turnover shafts (the first turnover shaft 5 can be arranged at any one of the hearth 2) on both sides of the hearth 2, the cooler air in the external environment is input to both sides of the furnace core and is isolated from the heater cavity 273 in the middle as a cooking area, so that the heat dissipation air is prevented from being interfered by the cooking oil fume in the pot 1 before contacting the heater coil 7, and the heat dissipation efficiency is ensured.

[0090] In addition, the space surrounded by the air chamber bottom shell 26 (the motor shell) and the bottom disc 22 is utilized to form the buffer chamber (namely the buffer air chamber 4) of the heat dissipation gas connected between the heater cavity 273 containing the heater coil 7 and the air inlet air duct 271, so that after the external cold air is input to the air inlet air duct 271, the external cold air is buffered and transitioned in the buffer air chamber 4 between the air chamber bottom shell 26 and the bottom disc 22 and then flows into the pair of heater cavities 273 from both sides of the hearth 2, so that the heat dissipation gas continuously and circularly flows through the heater cavity 273 to cool the heater coil 7 all the time, the heater coil 7 in the heater cavity 273 on both sides of the hearth 2 is uniformly cooled, and the long-time stable work of the heater coil 7 and the driving mechanism 31 (the direct drive motor) is ensured.

[0091] The plurality of heat dissipation fans 8 surrounding one end of the heater cavity 273 on the outer side surface of the hearth wall 21 blow air to the other end of the heater cavity 273, so that the heat dissipation gas adheres to flow through the heater cavity 273 along the outer surface of the hearth wall 21, and the heater coil 7 in the heater cavity 273 and arranged on the outer side of the hearth wall 21 is fully cooled.

[0092] In conclusion, the air duct structure of the utility model improves the heat dissipation effect of the heater coil 7 by the fan arranged in the main machine of the traditional automatic cooking machine to blow air to the heater coil 7 from the periphery, and the high strength use requirement of the automatic cooking machine is met.

[0093] Please refer to Figure 1 、 5 -10, in the embodiment, the hearth wall 21 includes:

[0094] The furnace wall skeleton 211; the furnace wall lining 212 is installed on the furnace wall skeleton 211 and constitutes the above-mentioned furnace 2 with the furnace wall skeleton 211; the above-mentioned bottom plate 22 is connected to the bottom end of the furnace wall skeleton 211 (that is, one end of the axial direction of the furnace wall skeleton 211), and the furnace wall skeleton 211 serves as a strength support structure of the furnace wall 21.

[0095] The furnace 2 further comprises:

[0096] The air duct shell 25 is arranged around the side of the furnace wall skeleton 211 and surrounds the furnace wall cavity 27 between the furnace wall lining 212, the air duct shell 25 and the bottom plate 22; a plurality of partition pieces 28 are arranged in the furnace wall cavity 27 and connected between the furnace wall skeleton 211 and the air duct shell 25 to divide the furnace wall cavity 27 into the above-mentioned air inlet duct 271, the air outlet duct 272 and the heater cavity 273; the heater coil 7 is arranged on the outer side wall of the furnace wall lining 212 and located in the heater cavity 273.

[0097] Because the furnace wall cavity 27 is surrounded between the furnace wall lining 212, the air duct shell 25 and the bottom plate 22, and the heater coil 7 is arranged on the outer side wall of the furnace wall lining 212 and located in the heater cavity 273 formed by the partition pieces 28 dividing the furnace wall cavity 27, a certain space, that is, a cavity space, is left between the furnace wall lining 212 and the air duct shell 25, which can reduce the interference of the metal shell on the heater coil 7 and is sufficient to form the heater cavity 273 for cooling the coil.

[0098] Please refer to Figure 1 , 5 -10, as a preferred embodiment of the present embodiment, the above-mentioned furnace wall skeleton 211 is preferably cylindrical and hollow, one end of the axial direction of the furnace wall skeleton 211 is open and serves as the mouth end 2111 of the furnace 2, and the other end of the axial direction of the furnace wall skeleton 211, that is, the mouth end 2111 is provided with a ring-shaped mouth ring plate 2113 which seals the furnace wall cavity 27; the other end of the axial direction of the furnace wall skeleton 211 relative to the mouth ring plate 2113 (that is, relative to the mouth end 2111) is the bottom end 2112; the above-mentioned furnace wall lining 212 is arranged on the inner side of the furnace wall skeleton 211.

[0099] The bottom plate 22 is connected to the other end of the furnace wall skeleton 211 relative to the mouth ring plate 2113 (that is, the bottom end 2112) and serves as the closed bottom end of the furnace 2; specifically, the bottom plate 22 is connected and covers the bottom end 2112 and serves as the bottom end of the furnace 2, thereby closing the bottom end 2112; the driving device 3 is arranged on the bottom plate 22; the kettle 1 is connected to the driving device 3, that is, the kettle 1 is rotatably connected to the bottom plate 22 of the furnace 2 through the driving device 3; the side of the bottom plate 22 forms a flange 221 which protrudes from the furnace wall skeleton 211, that is, the flange 221 protrudes to the outer circumferential side of the furnace wall skeleton 211 and is arranged opposite to the mouth ring plate 2113.

[0100] The partition 28 comprises a pair of first air duct partitions 281, which are arranged at one side of the barrel wall framework 211 and connected between the barrel mouth ring plate 2113 and the flange 221; and a pair of second air duct partitions 282, which are arranged at the other side of the barrel wall framework 211 opposite to the first air duct partitions 281 and connected between the barrel mouth ring plate 2113 and the flange 221.

[0101] The air duct shell 25 is shaped to match the outer shape of the barrel wall framework 211, and is arranged around the barrel wall framework 211 and the barrel wall lining 212, covering the outside of the pair of first air duct partitions 281 and the pair of second air duct partitions 282. The air duct shell 25 is connected between the barrel mouth ring plate 2113 and the flange 221, so that the barrel wall cavity 27 is formed between the barrel wall lining 212, the air duct shell 25, the barrel mouth ring plate 2113 and the chassis 22.

[0102] The air inlet duct 271 is formed by the air duct shell 25, the barrel wall lining 212, the barrel mouth ring plate 2113, the flange 221 and the pair of first air duct partitions 281. The air outlet duct 272 is formed by the air duct shell 25, the barrel wall lining 212, the barrel mouth ring plate 2113, the flange 221 and the pair of second air duct partitions 282. The heater cavity 273 is formed by the air duct shell 25, the barrel wall framework 211, the barrel mouth ring plate 2113, the flange 221, the first air duct partition 281 and the adjacent second air duct partition 282. That is, the air duct shell 25, the barrel wall framework 211, the pair of first air duct partitions 281 and the pair of second air duct partitions 282 form a plurality of sequentially connected air duct structures covering the axial ends (i.e. the barrel mouth end 2111 and the barrel bottom end 2112) of the barrel wall framework 211 and the heater wire coil 7.

[0103] The pair of heater wire coils 7 are arranged in the pair of heater cavities 273 and are arranged opposite to each other on the opposite sides of the barrel wall framework 211 (i.e. on the opposite outer sides of the barrel wall framework 211).

[0104] The flange 221 of the chassis 22 is provided with a ventilation through hole 2211 corresponding to the air inlet duct 271, and is provided with two groups of cavity air inlet holes 2212 corresponding to the pair of heater cavities 273 and arranged at intervals along the circumference of the barrel wall framework 211. The heat dissipation fan 8 is arranged corresponding to the cavity air inlet holes 2212. The pair of second air duct partitions 282 are provided with cavity air outlet holes 2821 corresponding to the heater cavities 273 and the air outlet duct 272.

[0105] The first and second turning shafts 5 and 6 are respectively arranged at opposite sides of the hearth wall skeleton 211, and the air inlet 51 and the air outlet 61 are respectively connected to the air duct cover 25 covering the air inlet air duct 271 and the air outlet air duct 272, so that the hearth wall skeleton 211 of the hearth 2 is rotationally connected to the main machine of the automatic cooking machine through the air duct cover 25 and the first and second turning shafts 5 and 6.

[0106] As another embodiment, the hearth ring plate 2113 can also be replaced by a folded edge arranged at one end of the air duct cover 25, and the air duct cover 25 is connected to the axial end of the hearth wall skeleton 211 through the folded edge to realize the same function of the hearth ring plate 2113.

[0107] Please refer to Figures 1-5 , as a preferred embodiment of the present embodiment, the first and second turning shafts 5 and 6 are perpendicular to the axial direction of the hearth wall skeleton 211 and parallel to the bottom plate 22, that is, the first rotation axis X is perpendicular to the axial direction of the hearth 2.

[0108] Please refer to Figure 1 , 5 , as a preferred embodiment of the present embodiment, a pair of mounting grooves 2114 are arranged on the outer surfaces of the opposite sides of the hearth wall skeleton 211, and the shapes of the mounting grooves 2114 match the outer shapes of the heater wire coil 7, and the heater wire coil 7 is embedded in the mounting grooves 2114.

[0109] Please refer to Figures 1-10 , in the present embodiment, the hearth 2 further comprises:

[0110] The air chamber bottom shell 26 is arranged at the bottom end of the bottom plate 22 away from the hearth wall skeleton 211, and covers the outside of the cavity air inlet hole 2212 and the heat dissipation fan 8, and the buffer air chamber 4 is formed between the air chamber bottom shell 26 and the bottom plate 22.

[0111] Please refer to Figure 1 , 5 -9, as a preferred embodiment of the present embodiment, the two groups of cavity air inlet holes 2212 are symmetrically arranged, and each group of cavity air inlet holes 2212 comprises a plurality of cavity air inlet holes 2212 uniformly and spacedly arranged on the flange 221 of the bottom plate 22 along the circumferential direction of the hearth wall skeleton 211, and the plurality of heat dissipation fans 8 are arranged on the bottom end surface of the flange 221 of the bottom plate 22 away from the hearth wall skeleton 211 one by one corresponding to each cavity air inlet hole 2212, and the blowing directions of the heat dissipation fans 8 sequentially pass through the corresponding cavity air inlet holes 2212 and the heater cavity 273 and point to the hearth ring plate 2113 at the top end (the hearth opening end 2111) of the hearth wall skeleton 211.

[0112] In another embodiment (not shown in the drawings), the heat dissipation fan 8 can also be arranged at the top end of the furnace chamber 2 (i.e. the mouth end 2111 of the furnace wall framework 211), and in the mode of suction to flow the heat dissipation gas entering the buffer air chamber 4 along the axial direction of the furnace chamber 2 to the top end of the furnace chamber 2 through the heater cavity 273.

[0113] Please refer to Figure 2 , 7 , 8, as the preferred embodiment of the present embodiment, the cavity air outlet hole 2821 is arranged at one end of the second air duct partition plate 282 close to the mouth ring plate 2113, so that the heat dissipation gas entering the heater cavity 273 from the buffer air chamber 4 at the bottom end of the furnace chamber 2 flows in the axial direction of the furnace chamber 2 to the top end of the furnace chamber 2 opposite to the buffer air chamber 4 in the heater cavity 273, and then flows out to the external environment through the air outlet 61 in the second reversing shaft 6 and the air outlet duct 272 on the other side of the furnace chamber 2, so that the heat dissipation gas flows through the heater cavity 273 in the entire axial direction of the furnace chamber 2 to fully dissipate heat to the heater coil 7 therein.

[0114] Please refer to Figures 1-10 , as the preferred embodiment of the present embodiment, the air duct shell 25 comprises:

[0115] four arc-shaped cover plates 251, one pair of which are arranged opposite to each other on both sides of the furnace wall framework 211 and cover the first air duct partition plate 281 and the second air duct partition plate 282 connected thereto respectively; and the other pair of arc-shaped cover plates 251 are arranged opposite to each other on both sides of the furnace wall framework 211 and staggered with the above-mentioned one pair of arc-shaped cover plates 251, and cover the first air duct partition plate 281 and the second air duct partition plate 282 connected thereto respectively.

[0116] The four arc-shaped cover plates 251 are connected end to end to form a complete air duct shell 25 in the shape of a cylinder matching the outer shape of the furnace wall framework 211, and the axial one end of the arc-shaped cover plate 251 abuts against the outer edge of the mouth ring plate 2113, and the axial other end abuts against the outer edge of the flange 221, and the two sides of the arc-shaped cover plate 251 abut against the first air duct partition plate 281 or the second air duct partition plate 282 respectively and are spliced with the side end of the adjacent arc-shaped cover plate 251, so as to form a plurality of air duct structures (including the air inlet duct 271, the heater cavity 273 and the air outlet duct 272) covering the axial both ends (i.e. the mouth end 2111 and the bottom end 2112) of the furnace wall framework 211 and the heater coil 7 and sequentially communicating with each other, together with the outer side of the furnace wall framework 211, the corresponding first air duct partition plate 281 and second air duct partition plate 282, and the mouth ring plate 2113 and the flange 221.

[0117] The first and second turning shafts 5 and 6 are respectively connected to the outer side of a pair of arc-shaped cover plates 251 (i.e. a pair of arc-shaped cover plates 251 covering the air inlet duct 271 and the air outlet duct 272) covering a pair of first air duct partitions 281 and a pair of second air duct partitions 282, and the pair of arc-shaped cover plates 251 are provided with air vents 2511 matching the air inlets 51 of the first turning shaft 5 and the air outlets 61 of the second turning shaft 6, so as to allow the flow of cooling air in or out.

[0118] In other embodiments, the air duct shell 25 can also be replaced by a skin structure.

[0119] Please refer to Figure 1 , 5 , 9, as a more preferred embodiment of the present embodiment, a plurality of protrusions (not marked in the figure) are uniformly and circumferentially distributed along the inner edge of the air vents 2511, and a plurality of grooves (not marked in the figure) matching the protrusions are uniformly and circumferentially distributed on the end face flanges of the arc-shaped cover plates 251 connected to the first and second turning shafts 5 and 6. By matching the corresponding grooves and protrusions, the first and second turning shafts 5 and 6 are tightly connected to the pair of arc-shaped cover plates 251.

[0120] Please refer to Figure 1 , 2 , 5-8, as a preferred embodiment of the present embodiment, a pair of first air duct partitions 281 and a pair of second air duct partitions 282 are symmetrically arranged, the air inlet duct 271 and the air outlet duct 272 are symmetrically arranged, and one pair of arc-shaped cover plates 251 covering the pair of first air duct partitions 281 and the pair of second air duct partitions 282 are symmetrically arranged. Another pair of arc-shaped cover plates 251 covering adjacent first air duct partitions 281 and second air duct partitions 282 are symmetrically arranged.

[0121] Please refer to Figure 1 , 2 , 5-8, as a more preferred embodiment of the present embodiment, the air inlet duct 271 and the air outlet duct 272 are symmetrically arranged and have equal areas, one pair of arc-shaped cover plates 251 covering the pair of first air duct partitions 281 and the pair of second air duct partitions 282 are symmetrically arranged and have equal sizes, and another pair of arc-shaped cover plates 251 covering adjacent first air duct partitions 281 and second air duct partitions 282 are symmetrically arranged and have equal sizes.

[0122] Please refer to Figure 1 , 2, 5-8, as a more preferred embodiment of the present embodiment, the area of the air inlet duct 271 and the air outlet duct 272 covering the bore wall framework 211 is less than the area of the pair of heater cavities 273 covering the bore wall framework 211, i.e. the area of one pair of the arc-shaped cover plates 251 covering one pair of the first air duct partitions 281 and the second air duct partitions 282 is less than the area of the other pair of the arc-shaped cover plates 251 covering the adjacent first air duct partitions 281 and the second air duct partitions 282, so that the pair of heater cavities 273 has sufficient space to accommodate the larger size heater wire coil 7, thereby improving the electromagnetic eddy current heating effect of the heater wire coil 7 on the inner pot 1.

[0123] As another embodiment of the present embodiment, the pair of first air duct partitions 281 and the pair of second air duct partitions 282 are asymmetrically and oppositely arranged at an included angle less than 180 degrees, the air inlet duct 271 and the air outlet duct 272 are asymmetrically and oppositely arranged at an included angle less than 180 degrees, and one pair of the arc-shaped cover plates 251 covering the pair of first air duct partitions 281 and the pair of second air duct partitions 282 are asymmetrically and oppositely arranged at an included angle less than 180 degrees.

[0124] Please refer to Figures 1-10 In the present embodiment, the inner pot 1 is in a cylindrical shape matching the shape of the bore wall framework 211, one axial end of the inner pot 1 is an open pot mouth end 11, and the other axial end of the inner pot 1 is a closed pot bottom end 12 rotatably connected to the bottom disc 22 at the bottom end of the bore wall framework 211. The rotation axis of the inner pot 1 rotatably connected to the bore wall framework 211 is parallel to and coincides with the axial direction of the inner pot 1 and the bore wall framework 211.

[0125] That is, the furnace 2 can be flipped up and down relative to the main machine of the automatic stir-fry machine through the bore wall framework 211 along a first rotation axis X (the first rotation axis X coincides with the first flipping axis 5 and the second flipping axis 6) perpendicular to the axial direction of the bore wall framework 211, and the inner pot 1 can be fixedly rotated relative to the bore wall framework 211 along a second rotation axis Y (the second rotation axis Y coincides with the axial direction of the inner pot 1 and the axial direction of the bore wall framework 211) parallel to the axial direction of the bore wall framework 211 (i.e. perpendicular to the direction of the first rotation axis X), so that the pot mouth end 11 of the rotating inner pot 1 can be switched to different orientations by flipping up and down with the bore wall framework 211, such as a food material feeding position, a seasoning pouring position, a cooking position, a dish serving position, a pot washing position, and the like.

[0126] Meanwhile, the furnace core for the automatic cooking machine is provided with a pair of heater wire coils 7 arranged on the opposite sides of the hearth wall framework 211 of the hearth 2, when the hearth 2 is overturned to the side of any one of the heater wire coils 7, the corresponding heater wire coil 7 on the dumping side is electrified to work, while the other side of the heater wire coil 7 is not electrified to work, the furnace core for the automatic cooking machine keeps the corresponding heater wire coil 7 on the side of the hearth 2 being electrified to dump, so that the corresponding side of the hearth 2 of the pot body is heated to dump the food materials, while the corresponding heater wire coil 7 on the other side of the hearth 2 is not electrified to avoid the corresponding side of the hearth 2 of the pot body being heated by the other heater wire coil 7 to cause the life loss.

[0127] Please refer to Figures 1-10 , as the preferred embodiment of the present embodiment, the mouth of the pot body 1 is provided with a ring-shaped flange 111, the inner periphery of the ring-shaped flange 111 is provided with a ring-shaped inverted taper surface connected to the inner wall of the pot body 1, and the outer periphery of the ring-shaped flange 111 is provided with a ring-shaped positive taper surface connected to the ring-shaped inverted taper surface. When the bottom end 12 of the pot body 1 is rotationally connected to the hearth wall framework 211, the ring-shaped flange 111 extends to the outside of the hearth opening end 2111 and is arranged spaced apart from the hearth opening end 2111.

[0128] Please refer to Figure 1 、 5 -8, in the present embodiment, the furnace core for the automatic cooking machine further comprises:

[0129] The disc type slip ring 9 is arranged at the rotationally connected position of the pot body 1 and the bottom disc 22, and is used to connect the temperature sensor on the pot body 1 with the temperature measurement and control device outside the furnace core.

[0130] Please refer to Figure 1 、 5 -8, as the preferred embodiment of the present embodiment, the disc type slip ring 9 comprises:

[0131] A plurality of temperature sensors 91 are uniformly and spacedly arranged on the periphery of the pot body 1; a slip ring rotor 92 is arranged on the outer wall of the bottom end 12 of the pot body 1; a plurality of groups of sliding electrodes 921 are uniformly and spacedly arranged on the slip ring rotor 92 in a circular arc shape and are electrically connected with the temperature sensors 91 one by one, each group of sliding electrodes 921 comprises a plurality of sliding electrodes 921 spacedly arranged along the radial direction of the slip ring rotor 92, and the arc length of the sliding electrodes 921 determines the circumferential area of the pot body 1 covered by the corresponding temperature sensor 91 connected with the sliding electrodes 921;

[0132] The slip ring stator 93 is arranged on the inner side of the bottom plate 22 facing the barrel wall skeleton 211. A plurality of groups of stator electrodes 931 are contact electrodes, each group of stator electrodes 931 is uniformly distributed on the slip ring stator 93 along the circumferential direction of the slip ring stator 93, and each group of stator electrodes 931 includes a plurality of stator electrodes 931 which are distributed along the radial direction of the slip ring stator 93 and match the sliding electrodes 921. The position of each group of stator electrodes 931 corresponds to the position of a different circumferential region of the kettle 1, that is, the position of each group of stator electrodes 931 depends on the measurement region of the kettle 1. The stator electrodes 931 are electrically connected to the temperature control device (not shown in the figure) on the main machine of the external automatic stir-fry machine of the furnace core.

[0133] When the kettle 1 rotates, the slip ring rotor 92 connected to the slip ring stator 93 is driven to rotate, and the sliding electrodes 921 can be connected with the stator electrodes 931 during rotation, so that when the kettle 1 rotates to the position where the sliding electrodes 921 contact the stator electrodes 931, the temperature sensing signal generated by the temperature sensor 91 at the corresponding position of the kettle 1 (i.e. on the region passing through the stator electrode 931) is electrically connected to the external temperature control device of the furnace core through the stator electrode 931, thereby guiding the temperature sensor signal to the outside of the furnace core, and realizing real-time detection of the temperature of the furnace core by the automatic stir-fry machine.

[0134] Please refer to Figure 1 、 5 -8, in this embodiment, the number of groups of sliding electrodes 921 on the slip ring rotor 92 depends on the number of temperature sensors 91 on the kettle 1, and the number of sensors 91 depends on the number of divisions of the measurement region of the kettle 1, that is, the measurement region covered by each sensor 91. The number of groups of stator electrodes 931 on the slip ring stator 93 does not need to be consistent with the number of groups of sliding electrodes 921 on the slip ring rotor 92, only one group needs to be set at the measurement position, and when the sliding electrode 921 on the slip ring rotor 92 passes through the stator electrode 931 on the slip ring stator 93, the corresponding temperature sensor 91 is connected, thereby greatly reducing the number of output electrodes and leads of the disc slip ring 9.

[0135] In another embodiment, the stator electrodes 931 on the slip ring stator 303 are arranged in a circular arc shape, and the sliding electrodes 921 on the slip ring rotor 92 are arranged as contact electrodes, which have the same signal transmission effect on the sensor 91.

[0136] Please refer to Figure 1 、 5 -8, as a more preferred embodiment of the present embodiment, the disc slip ring 9 includes four groups of sliding electrodes 921 uniformly distributed on the slip ring rotor 92 along the circumferential direction of the slip ring rotor 92, and each group of sliding electrodes 921 includes four sliding electrodes 921 distributed along the radial direction of the slip ring rotor 92.

[0137] Please refer to Figure 1 ,5 -8, as a more preferred embodiment of the present application, the disc type slip ring 9 comprises two sets of stator electrodes 931 oppositely arranged at both ends of the slip ring stator 93, and the two sets of stator electrodes 931 are arranged at the bottom and upper part of the liner 1 respectively, i.e. the 6 o'clock and 12 o'clock directions, that is, the measurement area of the liner 1 is the area of the opposite 6 o'clock and 12 o'clock directions, and each set of stator electrodes 931 comprises four stator electrodes 931 spaced along the radial direction of the slip ring stator 93 and matched with the sliding electrodes 921.

[0138] Please refer to Figure 1 , 5 -8, as a more preferred embodiment of the present application, the slip ring rotor 92 is spaced apart by several (preferably four) concentric annular sliding rails 922, the slip ring stator 93 is spaced apart by several (preferably four) concentric annular sliding grooves 932 matched with the annular sliding rails 922, and each set of stator electrodes 931 is arranged in the corresponding annular sliding groove 932. The slip ring rotor 92 is rotationally connected to the slip ring stator 93 through the annular sliding rails 922 and the annular sliding grooves 932 matched with each other, so that the sliding electrodes 921 are in contact with the stator electrodes 931 during rotation.

[0139] Please refer to Figure 1 , 5 -8, as a more preferred embodiment of the present application, a pair of heater wire coils 7 are symmetrically arranged on the side of the bore wall framework 211, and four temperature sensors 91 are uniformly and spaced apart along the circumference of the liner 1 and arranged on the side of the liner 1; the slip ring rotor 92 is in the shape of a ring, four groups of sliding electrodes 921 (four in each group) are uniformly and spaced apart along the circumference of the slip ring rotor 92 and electrically connected to the temperature sensors 91 one by one, and the arc length of each group of sliding electrodes 921 (four in each group) is close to one fourth of the length of the circumference where the sliding electrodes 921 are located, such as 0.22 to 0.24 of the length of the circumference where the sliding electrodes 921 are located, so that adjacent sliding electrodes 921 are arranged with a reduced spacing (included angle); the slip ring stator 93 is in the shape of a ring matched with the outer shape of the slip ring rotor 92, and two groups of stator electrodes 931 (four in each group) are symmetrically arranged on the slip ring stator 93 and respectively matched with the positions of a pair of heater wire coils 7.

[0140] In other embodiments, the temperature sensors 91 can also be uniformly and spaced apart along the circumference of the liner 1 for six, eight or more, and correspondingly the slip ring rotor 92 is uniformly and spaced apart along the circumference of the slip ring rotor 92 for six groups, eight groups or more and electrically connected to the temperature sensors 91 one by one, and the stator electrodes 931 are arranged in two groups unchanged.

[0141] The temperature sensor 91, the slip ring rotor 92 and the sliding electrode 921 thereof, the slip ring stator 93 and the stator electrode 931 thereof of the furnace core provided by the utility model are connected in the layout, the temperature sensing signal of the temperature sensor 91 can be transmitted to the external temperature control device in the process of the pot 1 rotating and frying, the temperature of the pot 1 is controlled to realize the fire control of the automatic frying machine, and the heating temperature is adjusted to highly imitate the fire control in the chef's cooking skill.

[0142] In addition, the multiple groups (such as four groups or two groups) of the arc-shaped sliding electrodes 921 of the slip ring rotor 92 of the furnace core are correspondingly connected with the multiple temperature sensors 91, which only need to be periodically and alternately transmitted to the external temperature control device through the two groups of cables of the two groups of point-shaped stator electrodes 931 of the slip ring stator 93, so that the problem of cable winding of the temperature sensor 91 on the pot 1 connected with the external temperature control device by the traditional cable is avoided, and the multiple groups (such as four groups or two groups) of the arc-shaped sliding electrodes 921 connected with the temperature sensors 931 only need to be transmitted to the external temperature control device through the two groups of point-shaped stator electrodes 931 and the two groups of cables, without the need of setting the multiple groups (such as four groups or two groups) of the point-shaped stator electrodes 931 and the multiple groups of cables for signal transmission, so that the complexity of the structure of the furnace core, the increase of the manufacturing cost and the reduction of the electromagnetic compatibility caused by the excessive number of the stator electrodes 931 and the cables are avoided.

[0143] In the embodiment, the stator electrode 931 in the point shape is arranged on the lower side, and the arc-shaped sliding electrode 921 is arranged on the upper side, so that the point-shaped stator electrode 931 (contact electrode) with a small area size and a large interval between adjacent electrodes is arranged on the lower side, the probability of the electrode adhering to foreign matters or water stains is reduced, and the detection failure rate caused by the electrode adhering to foreign matters, water stains or the connection between adjacent electrodes due to foreign matters and water stains is reduced; meanwhile, the arc-shaped sliding electrode 921 with a large area size is arranged on the lower side, so that the electrode is easy to adhere to foreign matters and water stains and connect adjacent electrodes due to foreign matters and water stains.

[0144] In other embodiments, the stator electrode 931 and the cable thereof can also be provided in four groups, and the four groups of stator electrodes 931 are uniformly distributed on the slip ring stator 93 along the circumferential direction of the slip ring stator 93 (two groups of stator electrodes 931 are arranged in a cross shape), that is, each group of stator electrodes 931 covers a 90-degree area of the circumferential direction of the pot 1. Since the stator electrode 931 is provided in four groups, the redundancy design of the two groups of stator electrodes 931 is increased relative to the case of providing only two groups, and when two groups of stator electrodes 931 fail, the other two groups of stator electrodes 931 can be used, so that the disc-type slip ring 9 cannot work due to the failure of the stator electrode 931 when only two groups of stator electrodes 931 are provided.

[0145] Or also can directly by four groups of stator electrode 931 synchronous contact detection four groups of sliding electrode 921 corresponding connection temperature sensor 91, at the pot 1 rotation speed certain time to improve the detection frequency of each temperature sensor 91 coverage area, if two groups of stator electrode 931 failure again switch to use another two groups of stator electrode 931 detection.

[0146] In other embodiments, the stator electrode 931 position can also not match the position of each heater coil 7, as long as at least two groups are uniformly distributed along the circumference of the slip ring stator 93, so that the slip ring stator 93 alternately detects the corresponding area of each pair of sliding electrodes 921 on the pot 1, reducing the use of stator electrode 931 lead.

[0147] Please see Figure 1 、 5 -10, in this embodiment, the driving device 3 comprises:

[0148] The driving mechanism 31 is arranged in the middle of the bore bottom end 2112 of the bore wall framework 211; the transmission assembly 32 is connected between the driving mechanism 31 and the pot bottom end 12; the driving mechanism 31 is used to drive the transmission assembly 32 to rotate, so as to drive the pot 1 to rotate synchronously inside the furnace 2.

[0149] Please see Figure 1 、 5 -10, the driving mechanism 31 is a direct drive motor, and is located in the buffer gas chamber 4 surrounded by the gas chamber bottom shell 26 and the bottom disc 22, that is, the buffer gas chamber 4 serves as a containing gas chamber bottom shell 26 and simultaneously as a motor compartment of the driving mechanism 31 (direct drive motor), and the gas chamber bottom shell 26 serves as a motor shell wrapping the driving mechanism 31 (direct drive motor); the transmission assembly 32 is a bearing assembly connected between the output shaft of the direct drive motor and the pot bottom end 12. Since the driving mechanism adopts a direct drive motor without the need to set a mechanical speed reduction mechanism, the overall structure of the furnace core for the automatic cooking machine is highly compacted, thereby greatly improving the internal space utilization rate of the automatic cooking machine.

[0150] Please see Figure 1 、 5 -10, as a preferred embodiment of the present embodiment, a circular accommodation hole 21121 is arranged in the middle of the bottom disc 22, the slip ring stator 93 is fastened and installed on the inner wall of the bottom disc 22 through bolts, and the stator inner hole 933 of the slip ring stator 93 is coaxially arranged with the circular accommodation hole 21121.

[0151] Please see Figure 1 、 5 -10, as a preferred embodiment of the present embodiment, the driving mechanism 31 is a direct drive motor, which comprises:

[0152] The stator core 311 is mounted on the outer wall of the base plate 22 by screw fastening, and the stator core 311 is arranged outside the circular accommodation hole 21121; a plurality of stator coils 312 are uniformly and spacedly arranged on the outer side of the stator core 311 along the circumferential direction of the stator core 311, and the stator core 311 and the stator coils 312 form a motor stator; and the rotor rear cover 313 is arranged outside the stator core 311, the middle part of the rotor rear cover 313 is provided with a mounting flange 3131, and a plurality of rotor magnets 314 matched with the stator coils 312 are uniformly and spacedly arranged on the inner side wall of the rotor rear cover 313, and the rotor rear cover 313 and the rotor magnets 314 form a motor rotor.

[0153] The middle part of the bottom end 12 is provided with a through hole 121, and a connecting disc 122 is embedded in the middle part of the outer wall of the bottom end 12 corresponding to the through hole 121 and in the rotor inner hole 923 of the slip ring rotor 92, and the connecting disc 122 is provided with a hollow column 123 extending into the inside of the pot liner 1 through the through hole 121, and the connecting disc 122 is provided with a second mounting hole 1221 penetrating the hollow column 123, and the inner wall of the second mounting hole 1221 is provided with internal splines (not shown in the figure). The shoveling tool 13 is connected to the outer side of the hollow column 123.

[0154] The transmission assembly 32 comprises:

[0155] The shaft sleeve 321 is butt-jointed to the mounting flange 3131 by screw fastening, and the middle part of the shaft sleeve 321 is provided with a first mounting hole 3211, and the inner wall of the first mounting hole 3211 is uniformly provided with internal splines (not shown in the figure); the connecting shaft assembly 322 is matched with the circular accommodation hole 21121 in shape, and the connecting shaft assembly 322 is arranged in the circular accommodation hole 21121, and the connecting shaft assembly 322 comprises:

[0156] The output shaft 3221 (i.e. the output shaft of the motor stator) is arranged at the axial end of the connecting shaft assembly 322 facing the shaft sleeve 321, and the outer wall of the axial end of the output shaft 3221 facing the shaft sleeve 321 is provided with external splines (not shown in the figure) matched with the internal splines of the inner wall of the first mounting hole 3211, and the axial end of the connecting shaft assembly 322 is butt-jointed to the shaft sleeve 321 by the fastening of the corresponding spline structures of the output shaft 3221 and the first mounting hole 3211;

[0157] The support bearing 3223 comprises a bearing stator (not shown in the figure) fixedly mounted on the base plate 22 and a bearing rotor (not shown in the figure) rotatably mounted on the bearing stator, and the axial other end of the output shaft 3221 facing the pot liner 1 is connected to the bearing rotor;

[0158] The connecting shaft assembly 322 is arranged in the stator inner hole 933 of the slip ring stator 93 towards the other axial end of the kettle 1, and the connecting shaft assembly 322 is provided with a driving shaft 3222 (i.e. the input shaft of the kettle 1) towards the other axial end of the kettle 1, the driving shaft 3222 is provided with external splines matched with the internal splines of the inner wall of the second mounting hole 1221 (not shown in the figure) towards the axial end of the driving shaft 3222, and a shovel handle 131 is coaxially arranged at the end of the driving shaft 3222; the driving shaft 3222 is connected to the bearing rotor towards the other axial end of the shaft sleeve 321 (i.e. away from the kettle 1).

[0159] The connecting disc 122 is fastened and connected to the driving shaft 3222 through the second mounting hole 1221 and the corresponding spline structure of the driving shaft 3222, and the shovel handle 131 passes through the inner hole of the hollow column 123 until the end of the shovel handle 131 is flush with the end of the hollow column 123, and the end of the shovel handle 131 is closed and connected with the end of the hollow column 123 through the end cover, so that the hollow column 123 and the shovel handle 131 are integrated.

[0160] The connecting layout of the above transmission assembly 32 enables the motor rotor to directly drive the kettle 1 to rotate under the magnetic force of the motor stator.

[0161] In other embodiments, the shaft sleeve 321 can also be a key groove optical shaft sleeve, and the axial end of the connecting shaft assembly 322 is fastened and connected to the shaft sleeve 321 through the output shaft 3221, the first mounting hole 3211 and the connecting key.

[0162] Please refer to Figure 1 , 5 -10, as a more preferred embodiment of the present embodiment, the support bearing 3223 of the connecting shaft assembly 322 adopts a cross roller bearing, which can ensure that the connecting shaft assembly 322 can bear the larger load of the kettle 1 in the axial and radial directions.

[0163] In other embodiments, the driving mechanism 31 can also adopt a traditional driving form of motor, and the connecting shaft assembly 322 can also adopt other types of bearings.

[0164] The driving device 3 composed of the bottom end 2112 of the hearth wall framework 211, the driving mechanism 31 (direct drive motor), the transmission assembly 32 (bearing assembly) and the bottom end 12 of the kettle 1 has a compact layout, fully utilizes the installation space between the bottom end 2112 of the hearth wall framework 211 of the furnace hearth 2 and the bottom end 12 of the kettle 1, thereby saving the precious space inside the main machine of the automatic cooking machine for installing the driving device 3 of the kettle 1, and without the need for additional reduction gear to cooperate with the motor to drive the shovel of the kettle 1 to rotate, the driving device 3 of the kettle 1 is simplified and the number of moving mechanism parts using lubricant of the driving device 3 of the kettle 1 is reduced.

[0165] Please refer toFigure 1 、 5 -10, in the embodiment, the shovel 13 comprises:

[0166] the shovel handle 131, one end of which is connected to the bottom end 12 of the kettle 1 and can rotate synchronously with the kettle 1; and the shovel plate 132, which is installed on the shovel handle 131 and the outer edge of which is close to the inner side wall of the kettle 1.

[0167] Please refer to Figure 1 、 5 -10, as the preferred embodiment of the present embodiment, one end of the shovel handle 131 is connected to the bottom end 12, and the shovel handle 131 is installed at the center of the kettle 1 and coincides with the axis of the kettle 1, that is, coincides with the central part of the axis of the kettle 1, one end of the shovel 13 is connected to the shovel handle 131, and the other end of the shovel 13 is close to the inner side wall of the kettle 1, so that the shovel separates the space between the shovel handle 131 and the inner side wall of the kettle 1.

[0168] Please refer to Figures 1-5 、 5 -10, as the preferred embodiment of the present embodiment, one end of the shovel handle 131 is connected to the bottom end 12, and the shovel handle 131 is installed at the center of the kettle 1 and coincides with the axis of the kettle 1, that is, coincides with the central part of the axis of the kettle 1, one end of the shovel 13 is connected to the shovel handle 131, and the other end of the shovel 13 is close to the inner side wall of the kettle 1, so that the shovel separates the space between the shovel handle 131 and the inner side wall of the kettle 1.

[0169] Please refer to Figures 1-7 , as the preferred embodiment of the present embodiment, the kettle 1 and the wall skeleton 211 are both cylindrical and coaxially arranged, the bottom plate 22 and the driving device 3 are coaxially arranged with the kettle 1 and the wall skeleton 211, the axis direction of the kettle 1 coincides with the axis direction of the wall skeleton 211, that is, the axis direction of the furnace 2, and the axes of the kettle 1 and the wall skeleton 211 pass through the center of the bottom plate 22, and the driving device 3 is arranged at the center of the bottom plate 22, so that the kettle 1 can rotate around the second rotation axis Y which coincides with the axes of the kettle 1 and the wall skeleton 211 under the driving of the driving device 3 (that is, rotate around the fixed axis in the left / right direction / forward / reverse direction inside the furnace 2).

[0170] In other embodiments (not shown in the figure), the kettle bottom end of the kettle 1 is provided with a driving unit (not shown in the figure) which coincides with the central part of the axis of the kettle 1, one end of the shovel handle 131 is connected to the driving unit, and the driving unit is used to drive the shovel handle 131 to drive the shovel plate 132 to rotate asynchronously with the kettle 1 at a different rotation rate.

[0171] Please refer to ​ , in the embodiment, the wall skeleton 211 is made of aluminum alloy material, and the wall lining is made of Teflon material, which combines the high-temperature resistance of Teflon and the high strength of aluminum alloy to jointly constitute the furnace 2.

[0172] This utility model also provides an automatic cooking machine, including a main unit and the aforementioned furnace core for the automatic cooking machine; a pair of bearings (not shown in the figure) are provided on the main unit, and the pair of bearings are respectively provided with an air inlet channel and an air outlet channel connecting the air inlet 51 and the air outlet 61. Gas in the external environment of the main unit flows into the furnace core and is discharged after passing through the air inlet channel, the air inlet 51, the aforementioned air duct structure, the air outlet 61 and the air outlet channel.

[0173] The furnace wall frame 211 of the furnace chamber 2 is rotatably connected to the main unit through a first rotating shaft 5 and a second rotating shaft 6 respectively, in cooperation with a pair of bearings.

[0174] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Those skilled in the art should understand that any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A furnace core for an automatic cooking machine, comprising a furnace chamber (2) and a pot (1) arranged in the furnace chamber (2), a stirring blade (13) arranged inside the pot (1), a driving device (3) arranged at the bottom end of the furnace chamber (2) for driving the pot (1) to rotate, and a first overturning shaft (5) and a second overturning shaft (6) arranged oppositely on both sides of the furnace chamber (2); characterized in that, The first and second turning shafts (5, 6) are hollow inside and form an air inlet (51) and an air outlet (61) respectively, and the furnace (2) comprises: a chamber wall (21) which is hollow inside; a bottom plate (22) connected to the bottom end of the chamber wall (21); an air inlet duct (271) and an air outlet duct (272) oppositely arranged on the two sides of the chamber wall (21), and the air inlet duct (271) is in communication with the air inlet (51), and the air outlet duct (272) is in communication with the air outlet (61); a buffer air chamber (4) arranged below the bottom plate (22), and the driving device (3) is arranged in the buffer air chamber (4); a pair of heater cavities (273) oppositely arranged between the air inlet duct (271) and the air outlet duct (272) on the two sides of the chamber wall (21), and the air inlet side of the heater cavity (273) is in communication with the air inlet duct (271) through the buffer air chamber (4), and the air outlet side of the heater cavity (273) is in communication with the air outlet duct (272); a heater wire coil (7) arranged in the heater cavity (273); a plurality of cooling fans (8) for making cooling air enter from the air inlet (51), pass through the air inlet duct (271), the buffer air chamber (4), the heater cavity (273) and the air outlet duct (272) in sequence, and finally be discharged from the air outlet (61).

2. The burner core for an automatic cooking machine according to claim 1, wherein A plurality of the cooling fans (8) are arranged in the buffer air chamber (4) and are distributed on the circumferential side of the bottom plate (22) along the circumference of the furnace (2), and are used for blowing the cooling air entering the buffer air chamber (4) through the air inlet (51) and the air inlet duct (271) into the heater cavity (273).

3. The burner core for an automatic cooking machine according to claim 2, wherein The chamber wall (21) comprises: a chamber wall framework (211), and the bottom plate (22) is connected to the bottom end of the chamber wall framework (211); a chamber wall lining (212) mounted on the chamber wall framework (211); The furnace (2) further comprises: an air duct shell (25) surrounding the circumferential side of the chamber wall framework (211), and forming a chamber wall cavity (27) between the chamber wall lining (212), the air duct shell (25) and the bottom plate (22); a plurality of partition pieces (28) arranged in the chamber wall cavity (27) and connected between the chamber wall framework (211) and the air duct shell (25) to separate the chamber wall cavity (27) into the air inlet duct (271), the air outlet duct (272) and the heater cavity (273); The heater wire coil (7) is arranged on the outer side wall of the chamber wall lining (212) and located in the heater cavity (273).

4. The burner core for an automatic cooking machine according to claim 3, wherein One end of the chamber wall framework (211) is provided with a chamber mouth ring plate (213) sealing the chamber wall cavity (27), and the chamber wall lining (212) is arranged on the inner side of the chamber wall framework (211); The bottom plate (22) is connected to the other end of the chamber wall framework (211) opposite to the chamber mouth ring plate (213); and the circumferential side of the bottom plate (22) forms a flange (221) protruding from the chamber wall framework (211), and the flange (221) is oppositely arranged with the chamber mouth ring plate (213). The partition (28) comprises: A pair of first air duct partitions (281) are arranged on one side of the wall skeleton (211) and connected between the mouth ring plate (213) and the flange (221); A pair of second air duct partitions (282) are arranged on the other side of the wall skeleton (211) opposite the first air duct partitions (281) and connected between the mouth ring plate (213) and the flange (221); The air duct shell (25) covers the outside of the pair of first air duct partitions (281) and the pair of second air duct partitions (282) and is connected between the mouth ring plate (213) and the flange (221), and forms the wall cavity (27) between the wall lining (212), the air duct shell (25), the mouth ring plate (213) and the bottom disc (22); The air inlet duct (271) is formed by the air duct shell (25) and the wall lining (212), the mouth ring plate (213), the flange (221) and the pair of first air duct partitions (281), the air outlet duct (272) is formed by the air duct shell (25) and the wall lining (212), the mouth ring plate (213), the flange (221) and the pair of second air duct partitions (282), and the heater cavity (273) is formed by the air duct shell (25) and the wall lining (212), the mouth ring plate (213), the flange (221), the first air duct partition (281) and the adjacent second air duct partition (282); The flange (221) is provided with a ventilation via hole (2211) communicating the air inlet duct (271) and the buffer air chamber (4), and two groups of cavity air inlet holes (2212) arranged along the circumference of the wall skeleton (211) and spaced apart, the cavity air inlet holes (2212) corresponding to the heat dissipation fan (8); The pair of second air duct partitions (282) are provided with cavity air outlet holes (2821) communicating the corresponding heater cavities (273) and the air outlet duct (272); The first and second overturning shafts (5 and 6) are arranged on opposite sides of the wall skeleton (211), and the air inlets (51) and the air outlets (61) are respectively connected to the air duct shell (25) covering the air inlet duct (271) and the air outlet duct (272).

5. The burner core for an automatic cooking machine according to claim 4, wherein The furnace (2) further comprises: An air chamber bottom shell (26) is arranged at the bottom end of the bottom disc (22) away from the wall skeleton (211) and covers the outside of the cavity air inlet holes (2212) and the heat dissipation fan (8), and forms the buffer air chamber (4) between the bottom disc (22) and the air chamber bottom shell (26).

6. A burner core for an automatic cooking machine according to any one of claims 3 to 5, characterized in that, Further comprising: A disc type slip ring (9) is arranged at the rotating connection between the kettle (1) and the bottom disc (22) and is used to connect the temperature sensor on the kettle (1) with the temperature measurement and control device outside the furnace core.

7. The burner core for an automatic cooking machine according to claim 6, wherein The kettle (1) is a cylinder matching the shape of the wall skeleton (211), one end of the kettle (1) is an open kettle mouth end (11), the other end of the kettle (1) is a closed kettle bottom end (12), and the kettle bottom end (12) is rotatably connected to the bottom disc (22); The disc type slip ring (9) comprises: A plurality of temperature sensors (91) are uniformly and spacedly distributed on the circumferential side of the kettle (1); A slip ring rotor (92) is arranged on the outer wall of the kettle bottom end (12); a plurality of groups of sliding electrodes (921) are uniformly and spacedly distributed on the slip ring rotor (92) along the circumferential direction of the slip ring rotor (92) and are electrically connected to the temperature sensors (91) one by one, and each group of sliding electrodes (921) comprises a plurality of sliding electrodes (921) spacedly distributed along the radial direction of the slip ring rotor (92), and the arc length of the sliding electrodes (921) determines the circumferential area of the kettle (1) covered by the corresponding temperature sensor (91); A slip ring stator (93) is arranged on the inner side of the bottom disc (22) facing the wall skeleton (211); a plurality of groups of stator electrodes (931) are uniformly and spacedly distributed on the slip ring stator (93) along the circumferential direction of the slip ring stator (93), and each group of stator electrodes (931) comprises a plurality of stator electrodes (931) spacedly distributed along the radial direction of the slip ring stator (93) and matching the sliding electrodes (921), and the position of each group of stator electrodes (931) corresponds to the position of the measured kettle (1); The slip ring rotor (92) is rotatably connected to the slip ring stator (93), and the sliding electrodes (921) can be in contact with the corresponding stator electrodes (931) during rotation, so that the temperature sensor (91) at the corresponding position of the kettle (1) is electrically connected to the temperature measurement control device.

8. The burner core for an automatic cooking machine according to claim 6, wherein The driving device (3) comprises: A driving mechanism (31) arranged in the middle of the bottom disc (22); A transmission assembly (32) connected between the driving mechanism (31) and the kettle bottom end (12); The driving mechanism (31) is used to drive the transmission assembly (32) to rotate, so as to drive the kettle (1) to rotate synchronously inside the furnace (2).

9. The burner core for an automatic cooking machine according to claim 6, wherein The shovel (13) comprises: A shovel handle (131), one end of the shovel handle (131) is connected to the kettle bottom end (12), and the shovel handle (131) is installed at the center of the kettle (1) and coincides with the axis of the kettle (1); A shovel plate (132) is installed on the shovel handle (131), and the outer edge of the shovel plate (132) is close to the inner side wall of the kettle (1).

10. An automatic cooking machine comprising a main machine, characterized in that, Also comprising the furnace core for the automatic cooking machine according to any one of claims 1-9; A pair of bearings are arranged on the main machine; The furnace (2) is rotatably connected to the main machine through the first and second overturning shafts (5) and (6) respectively.

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