Food material sequential feeding device, feeding method and automatic cooking equipment

Abstract

The present invention belongs to the field of food processing technology and cooking, and in particular, relates to a food material sequential feeding device, feeding method and automatic cooking equipment, wherein the food material sequential feeding device includes a hopper, a push plate, a push plate rotating mechanism, a push plate driving mechanism, a material rack and a frame, the hopper has a discharge port on its side wall, the material rotating mechanism is connected to the push plate, and is used to drive the push plate to rotate, and the push plate has an avoidance state and a pushing state, a push plate and a push plate rotating mechanism form a first combination in correspondence, the push plate driving mechanism is used to drive the first combination to move forward and backward relative to the hopper, the material rack is used to accommodate and fix the hopper, the material rack and the hopper constitute a second combination, and the first combination and the second combination are both installed on the frame. Within the total amount of food material in the hopper, the feeding amount can be adjusted according to actual needs, which greatly improves the flexibility of feeding food materials.

Description

Technical Field

[0001] The invention belongs to the technical field of food processing, and in particular relates to a food material sequential feeding device, a feeding method and automatic cooking equipment. Background Art

[0002] Cooking is one of the core contents of traditional Chinese food technology, and has an important impact on China's national lifestyle, food industry and national economy. Cooking automation is an inevitable demand for China's social and economic development at the current stage, and is one of the main directions of development of my country's food industry. Although many scientific and technological workers have done a lot of work in this field, there is currently no automatic cooking equipment put into commercial use, which cannot meet the needs of industry, catering industry and families for automatic cooking.

[0003] To realize the automation of manual cooking process, we must first master the scientific principles and technical laws of manual cooking. According to the knowledge of heat transfer, food quality change dynamics, mass transfer, fluid mechanics, particle technology, and kinematics, the cooking process can be examined in detail. The Chinese cooking process can be defined as the heat and mass transfer and quality change process of heated fluid-particle food in an open container. Food particles can be slices, shreds, strips, dices, minced, and blocks; fluids can be edible oil, water, soup, sugar solution, steam, air, etc.; food quality includes flavor, color, toxicology, texture (taste), microorganisms, nutrition and other edible qualities. The heat in Chinese cooking is actually the accumulation of quality changes caused by the accumulation of temperature and time during the cooking process. Theoretical analysis has proved that most manual cooking processes can be transformed into automatic cooking programs for certain cooking equipment. The program includes control contents such as feeding, stirring, and heat to ensure that the final dishes have the same quality.

[0004] Through detailed investigation and analysis of manual cooking, manual cooking operations can be decomposed into the following different operations. Heating operation and stirring operation are the most core and most critical operations of automatic cooking, which can be called core technologies. The remaining operations can be called peripheral operations, as follows:

[0005] 1) Heating operation, i.e., heat transfer from the heat source to the pot and its control. In manual cooking, the heat transfer amount is controlled by adjusting the fire power and the distance between the pot and the heat source. In automatic cooking, this operation is easier to achieve through electrical and mechanical control methods.

[0006] 2) Stirring operation. In manual cooking, two completely different operations are used to stir the food materials being cooked. One method is to operate the pot, that is, to shake the pot and shake the pot in manual cooking, and stir the food materials to different degrees, that is, "big flip" and "small flip" in cooking terms. Shaking and shaking the pot have certain requirements on the fluid mechanics properties of the cooking materials. In many states, shaking the pot cannot be achieved, such as paste materials; another method is to use a frying spoon, also known as a spatula, to stir the food materials. This method can be used in most cases, but the efficiency is lower than the former. In the general shaking and shaking process, the frying spoon usually has to make a coordinated action to ensure the uniformity and efficiency of the stirring, improve the heat transfer efficiency, and prevent the bottom of the pot from coking. When there are sticky materials in the raw materials, it is difficult to complete the stirring action by shaking and shaking the pot. At this time, the frying spoon and spatula flipping becomes the main stirring means. It can be seen that shaking and shaking the pot and using the frying spoon and spatula to flip the shovel in manual cooking are complementary and indispensable means. Realizing the stirring operation of food materials is the core technical content of automatic cooking design.

[0007] 3) Peripheral operations: including feeding, serving, breaking up, crushing, cutting and other operations. Feeding and serving in manual cooking are very easy operations to achieve, but they are more difficult in automatic cooking. At the same time, the complexity of feeding and serving caused by the step-by-step heating operations in manual cooking must also be considered. In manual cooking, the manual operation of a frying pan can be used to complete the breaking up, crushing, cutting and other actions that are essential in the cooking of many dishes, and these actions are usually completed at the same time as the heating and stirring process. Realizing the above action combination through electromechanical equipment is a challenge for the design of automatic cooking equipment. Some other operations, such as serving, covering (stewing), blanching (blanching, blanching), and lubricating involve material turnover, covering and removing covers, and are not easy to achieve automatic operation;

[0008] 4) Auxiliary operations: Although auxiliary operations such as washing pots and cleaning are simple, they are indispensable and are also an inevitable requirement for food quality and food safety. They are very easy to complete in manual cooking, but they are difficult to achieve in automatic cooking equipment. If the automatic cooking equipment cannot be cleaned automatically, manual cleaning is complicated and time-consuming, which will seriously affect the commercial value of the equipment.

[0009] In order to achieve quantitative feeding of various food materials during processing, one solution is to place the pre-weighed food materials into the hopper by flipping the hopper, and then feed the materials by flipping the hopper. Another method of feeding is to tear off the film, pre-load the pre-weighed materials in the film container, and tear off the film when feeding, and let the materials fall and feed. This method has the problem of high packaging cost. When the number of materials is large, the container needs to have greater strength, and the cost is higher. The current automatic feeding methods all require pre-weighing, which is very expensive. In addition, the feeding of food materials is based on the multiples of the hopper capacity. For example, when the required amount of food materials is 1.5 times the capacity of the hopper, there will be a situation where the required amount of food materials cannot be fed, and there is a problem of poor flexibility in feeding food materials. Summary of the invention

[0010] The purpose of the present invention is to provide a food material sequential feeding device, automatic cooking equipment and feeding method, which aims to solve the problem that the feeding of food materials requires pre-weighing and has poor flexibility.

[0011] The present invention is achieved in that:

[0012] A food material sequential feeding device, comprising:

[0013] A hopper, used to contain food materials, the hopper having a discharge port on its side wall;

[0014] A push plate, the cross-sectional shape of which in the direction of the discharge port is adapted to the shape of the discharge port;

[0015] a pusher rotary mechanism connected to the pusher plate and used to drive the pusher plate to rotate, and to enable the pusher plate to have an avoidance state of avoiding the food material and a pusher state of being in and / or behind the food material in the hopper, wherein one pusher plate and one pusher rotary mechanism constitute a first combination;

[0016] a push plate driving mechanism, used for driving the first assembly to move forward and backward relative to the hopper, wherein when the push plate driving mechanism drives the first assembly to move forward relative to the hopper and the push plate is in the pushing state, the push plate generates a forward pushing force on the food material so that the food material is discharged from the discharge port;

[0017] A material rack, used to accommodate and fix the hopper, the material rack and the hopper forming a second combination;

[0018] A rack, wherein the first assembly and the second assembly are both installed on the rack.

[0019] The specific delivery process based on the structure of the present invention is as follows:

[0020] a. Add food materials to the hopper and place the hopper on the rack with the push plate in an evasive state;

[0021] b. The push plate driving mechanism drives the first assembly to move forward or backward relative to the hopper, so that the free end of the push plate moves to above the preset position, and the push plate rotating mechanism drives the push plate to rotate the push plate from the avoidance state to the pushing state;

[0022] c. The pusher rotary mechanism drives the first assembly to move forward relative to the hopper, and delivers the food material on the side of the pusher plate close to the discharge port out of the discharge port;

[0023] d. The pusher rotating mechanism drives the pusher plate to rotate the pusher plate from the pusher state to the avoidance state;

[0024] e. Repeat bd until all the food materials are put in.

[0025] Among them, since the preset position can be a position set according to actual needs, then within the total amount of food materials in the hopper, the release amount can be adjusted according to actual needs, which greatly improves the flexibility of releasing food materials.

[0026] In addition, the present invention combines feeding and quantitative measurement together, thus eliminating the need for pre-weighing before feeding, significantly reducing the number of working steps, and simplifying the equipment structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 It is a schematic diagram of the overall structure of the food material sequential feeding device provided by an embodiment of the present invention;

[0029] Figure 2 yes Figure 1 Schematic diagram of the overall structure of the hopper in the state of removal;

[0030] Figure 3 yes Figure 2 Another perspective structural diagram;

[0031] Figure 4 It is a schematic diagram of the structure of a hopper in a food material sequential feeding device provided in an embodiment of the present invention.

[0032] Description of Figure Numbers:

[0033]

[0034] DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0036] It should be noted that, in the embodiment of the present invention, according to Figures 1 to 4 The XYZ rectangular coordinate system established in is defined as follows: the side located in the positive direction of the X axis is defined as the front, and the side located in the negative direction of the X axis is defined as the back; the side located in the positive direction of the Y axis is defined as the left, and the side located in the negative direction of the Y axis is defined as the right; the side located in the positive direction of the Z axis is defined as the top, and the side located in the negative direction of the Z axis is defined as the bottom.

[0037] An embodiment of the present invention provides a device for sequentially feeding food materials.

[0038] See also Figures 1 to 4 The food material sequential feeding device comprises a hopper 100, a pushing plate 200, a pushing rotating mechanism 300, and a pushing plate driving mechanism 400. In a specific embodiment of the present invention, the food material sequential feeding device may further comprise a material rack 600 and a machine frame 700.

[0039] The hopper 100 is used to contain food materials and has a discharge port 102 on its side wall. The cross-sectional shape of the push plate 200 in the direction of the discharge port 102 matches the shape of the discharge port 102. The push plate 200 is connected to the push plate 200 and is used to drive the push plate 200 to rotate, and the push plate 200 has an avoidance state to avoid the food materials and a push state in or after the food materials in the hopper 100. When the push plate 200 is in the food materials in the hopper 100, the food materials in the hopper 100 are divided into two independent parts in the front and rear directions. In actual use, when the push plate 200 is behind the food materials in the hopper 100, the push plate 200 is located at the end of the hopper 100. A push plate 200 and a push plate 300 constitute a first combination. The push plate driving mechanism 400 is used to drive the first assembly to move forward and backward relative to the hopper 100, wherein when the push plate driving mechanism 400 drives the first assembly to move forward relative to the hopper 100 and the push plate 200 is in a pushing state, the push plate 200 generates a forward pushing force on the food material to discharge the food material from the discharge port 102. The rack 600 is used to accommodate and fix the hopper 100, and the rack 600 and the hopper 100 constitute a second assembly, and both the first assembly and the second assembly are mounted on the frame 700.

[0040] The two sides of the cross-sectional shape of the hopper 100 in the front-to-rear direction are gradually expanded in parallel or in an upward direction. Specifically, it can be a rectangle or an inverted trapezoid, so that the push plate 200 can rotate in the hopper 100 to a push state.

[0041] The pusher rotary mechanism 300 can drive the pusher plate 200 to rotate clockwise or counterclockwise. The pusher rotary mechanism 300 drives the pusher plate 200 according to the actual position of the pusher plate 200 and the subsequent position requirement of the pusher plate 200. For example, when the actual position of the push plate 200 is in the pushing state and is located at the discharge port 102, and the push plate 200 needs to be reset, at this time, if there is no food material on the rear side of the push plate 200 to resist the rotation of the push plate 200, then the push plate rotating mechanism can directly drive the push plate 200 to rotate counterclockwise, and after the push plate 200 rotates to the avoidance state, the push plate driving mechanism 400 drives the first combination to move backward and reset, and if there is food material on the rear side of the push plate 200 to resist the rotation of the push plate 200, then, while the push plate rotating mechanism is driving the first combination to move backward, the push material rotating mechanism 300 also drives the push plate 200 to rotate clockwise.

[0042] The pushing rotating mechanism 300 drives the first combination to move forward or backward relative to the hopper 100 so that the free end of the pushing plate 200 moves above the preset position. The pushing rotating mechanism 300 drives the pushing plate 200 to rotate the pushing plate 200 from the avoidance state to the pushing state. After the pushing plate 200 rotates to the pushing state, the pushing rotating mechanism 300 drives the first combination to move forward relative to the hopper 100 and delivers the front material out.

[0043] It should be pointed out that the hopper 100 is suitable for various food materials, such as granular materials (including slices, shreds, dices, powders, blocks, balls, etc.), powders, sauces (pastes) and mixtures thereof. The food materials are usually spread flat in the hopper 100. In the initial state, the thickness of the food materials in various parts of the hopper 100 can be the same or different.

[0044] In the above, the food material can be loaded into the hopper 100 through the discharge port 102 .

[0045] In addition, in the embodiment of the present invention, the hopper 100 has a feed port 101 on its upper side to facilitate the placement of food materials into the hopper 100 .

[0046] The structure of this embodiment is used to deliver the food material on the side of the push plate 200 close to the discharge port 102. The specific delivery process based on the structure of this embodiment is as follows:

[0047] a. Add food material to the hopper 100, and place the hopper 100 on the rack 600, and the push plate 200 is in an avoidance state;

[0048] b. The push plate driving mechanism 400 drives the first assembly to move forward or backward relative to the hopper 100, so that the free end of the push plate 200 moves to the upper side of the preset position, and the push plate rotating mechanism 300 drives the push plate 200, so that the push plate 200 rotates from the avoidance state to the pushing state, wherein, when the last wave of materials needs to be pushed, the push plate 200 is located at the end of the hopper 100;

[0049] c. The pusher rotary mechanism 300 drives the first assembly to move forward relative to the hopper 100, and sends the food material on the side of the pusher plate 200 close to the discharge port 102 out from the discharge port 102;

[0050] d. The pusher rotating mechanism 300 drives the pusher plate 200 so that the pusher plate 200 rotates from the pusher state to the avoidance state;

[0051] e. Repeat bd until all the food materials are put in, wherein during the process of repeating bd, the preset position continuously moves backwards.

[0052] The push plate driving mechanism 400 and the push material rotating mechanism 300 can be operated separately or simultaneously, and can determine the actual position status of the push plate 200 and the remaining food material in the hopper 100. For example, when the front end of the push plate 200 is located in front of the front end of the front material, and the push plate 200 is in an avoidance state, then, first, the push plate driving mechanism 400 drives the first combination to move backward, and the push material rotating mechanism 300 drives the push plate 200 to rotate counterclockwise, until the free end of the push plate 200 is above the preset position, wherein the push plate driving mechanism 400 and the push material rotating mechanism 300 can operate separately or simultaneously, secondly, the push plate driving mechanism 400 drives the first combination to move forward, and the push material rotating mechanism 300 drives the push plate 200 to rotate counterclockwise, until the push plate 200 is in a pushing state, wherein the push plate driving mechanism 400 and the push material rotating mechanism 300 can operate separately or simultaneously, finally, the push plate driving mechanism 400 drives the first combination to move forward, and until the push plate 200 reaches the discharge port 102.

[0053] Among them, since the preset position can be a position set according to actual needs, then within the total amount of food materials in the hopper 100, the release amount can be adjusted according to actual needs, which greatly improves the flexibility of releasing food materials.

[0054] In addition, the present invention combines feeding and quantitative measurement together, thus eliminating the need for pre-weighing before feeding, significantly reducing the number of working steps, and simplifying the equipment structure.

[0055] Specifically, in this specific implementation, the direction from front to back has an inclination angle with the horizontal plane, which is low and forms an angle of 5 to 20 degrees with the horizontal plane.

[0056] In another specific embodiment, the sequential feeding device for food materials further comprises a movable door plate 500, which closes the discharge port 102 to restrict the food materials from falling out of the discharge port 102 when the food materials are not subjected to the pushing force, and opens the discharge port 102 to allow the food materials to be discharged from the discharge port 102 when the food materials are subjected to the pushing force. In this way, when it is not necessary to feed food materials, at this time, since the food materials are not subjected to the pushing force, the movable door plate 500 closes the discharge port 102 and restricts the food materials from falling out of the discharge port 102, and when it is necessary to feed food materials, at this time, since the food materials are subjected to the pushing force, the movable door plate 500 opens the discharge port 102, and the food materials can fall out of the discharge port 102, thereby ensuring the normal feeding of the sequential feeding device for food materials.

[0057] In another specific embodiment, the movable door plate 500 is rotatably connected to the hopper 100. The movable door plate 500 can be taken out of the food material sequential feeding device together with the hopper 100.

[0058] Furthermore, the food material sequential feeding device also includes a reset mechanism for resetting the movable door plate 500 to close the discharge port 102 when the food material is not subjected to the pushing force. The reset mechanism can be a cylinder or a reciprocating mechanism capable of reciprocating motion.

[0059] Furthermore, the connection between the movable door panel 500 and the hopper 100 can be a damping connection. In this way, when the hopper 100 is replenished with food materials, the movable door panel 500 can prevent the food materials from falling out of the discharge port 102. In this way, the connection relationship between the movable door panel 500 and the hopper 100 is simplified, and it is ensured that the movable door panel 500 will not open the discharge port 102 when subjected to a pushing force.

[0060] In another specific embodiment, the push plate driving mechanism 400 includes a gantry 410 and a gantry driving mechanism 420. The gantry 410 is slidably connected to the frame 700 and connected to the first assembly. The feed drive assembly is used to drive the gantry 410 and the first assembly to move forward and backward relative to the hopper 100. The feed drive assembly can include but is not limited to a chain drive mechanism, a belt drive mechanism, and a screw drive mechanism.

[0061] In another specific embodiment, at least two first assemblies are provided, and a switching mechanism is provided between the push plate driving mechanism 400 and each first assembly, and the switching mechanism is used to switch the push plate driving mechanism 400 to cooperate with one of the first assemblies. In this way, the food material sequential feeding device can store a variety of food materials, and can feed a variety of different types of food materials.

[0062] In another specific embodiment, the food material sequential feeding device further includes a second combined driving device, which is used to drive each second combination to move to a predetermined position. Specifically, the predetermined position is to place the hopper 100 in a position suitable for feeding. In this way, when the hopper 100 is placed on the material rack 600, it does not need to be placed in place all at once, but can be placed in a convenient position, and then driven to the predetermined position by the second combined driving device. The non-moving part of the second combined driving device is connected to the frame, and the moving part of the second combined driving device is connected to the second combination.

[0063] In another specific embodiment, the food material sequential feeding device further includes a hopper position limiting mechanism, which has a locking state for locking the hopper 100 on the material rack 600 and an unlocking state for releasing the locking of the hopper 100. In this way, after the hopper 100 is placed on the material rack 600, the hopper position limiting mechanism can prevent the hopper 100 from detaching from the material rack 600. Specifically, the hopper position limiting mechanism can be, but is not limited to, a magnet, a lock, or other mechanisms.

[0064] In another specific embodiment, at least two first assemblies are provided, and a switching mechanism is provided between the push plate driving mechanism 400 and each first assembly, and the switching mechanism is used to switch the push plate driving mechanism 400 to cooperate with one of the first assemblies. In this way, the food material sequential feeding device can store a variety of food materials, and can feed a variety of different types of food materials.

[0065] In another specific embodiment, the food material sequential feeding device further includes a cleaning device. The cleaning device includes a shell and a cleaning nozzle. The shell surrounds the hopper 100, the push plate 200, the push rotating mechanism 300, the push plate driving mechanism 400, the material rack 600 and the frame 700. A liquid discharge port is provided at the bottom of the shell. There is at least one cleaning nozzle, each cleaning nozzle is located in the shell, and the cleaning nozzle faces the inside of the shell. Specifically, a plurality of cleaning nozzles can be fixed at different positions of the food material sequential feeding device, and the cleaning nozzles at the corresponding positions can be opened and closed by computer command automatic control or manual control, so that the position of the push plate 200 can be cleaned when automatic cleaning is required.

[0066] In the specific implementation of the present invention, the gantry and the shell are interlaced with each other, with only the push plate inside, and there are gaps on the shell for the movement of the connecting shaft, which can be sealed by soft rubber films, so that there will be no water leakage during the cleaning process. The cleaning device is set up to ensure the cleanliness of the inside of the shell, realize automatic cleaning, and greatly reduce labor.

[0067] In another specific embodiment, the food material sequential feeding device also includes a low temperature preservation device for maintaining the food material in a suitable low temperature state, and the low temperature preservation device includes a cooling system and a temperature controller, the cooling system is used to reduce the temperature of the food material in the shell, and the temperature controller controls the temperature in the shell by controlling the operation time of the cooling system. The cooling system can perform temperature reduction control by surface heat exchange or by blowing air to generate convection.

[0068] The present invention also proposes an automatic cooking device, which includes a food material sequential feeding device. The specific structure of the food material sequential feeding device refers to the above-mentioned embodiment. Since the automatic cooking device adopts all the technical solutions of all the above-mentioned embodiments, it also has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here one by one.

[0069] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A food material sequential feeding device, characterized in that: include: A hopper, used to contain food materials, wherein the side wall of the hopper has a discharge port; A push plate, the cross-sectional shape of which in the direction of the discharge port is adapted to the shape of the discharge port; a pusher rotary mechanism connected to the pusher plate and used to drive the pusher plate to rotate, and to enable the pusher plate to have an avoidance state of avoiding the food material and a pusher state of being in or behind the food material in the hopper, wherein one pusher plate and one pusher rotary mechanism constitute a first combination; a push plate driving mechanism, used for driving the first assembly to move forward and backward relative to the hopper, wherein when the push plate driving mechanism drives the first assembly to move forward relative to the hopper and the push plate is in the pushing state, the push plate generates a forward pushing force on the food material so that the food material is discharged from the discharge port; A material rack, used to accommodate and fix the hopper, the material rack and the hopper forming a second combination; A rack, wherein the first assembly and the second assembly are both mounted on the rack; The hopper is arranged to gradually expand in a direction parallel to or upwardly extending both sides of the cross-sectional shape in the front-rear direction.

2. The food material sequential feeding device according to claim 1, characterized in that: The invention also includes a movable door plate, which closes the discharge port to restrict the food material from falling out of the discharge port when the food material is not subjected to the pushing force, and opens the discharge port to enable the food material to be discharged from the discharge port when the food material is subjected to the pushing force.

3. The food material sequential feeding device according to claim 2, characterized in that: The movable door panel is rotatably connected to the hopper; The food material sequential feeding device also includes a reset mechanism for resetting the movable door plate to close the discharge port when the food material is not subjected to the pushing force.

4. The food material sequential feeding device according to claim 1, characterized in that: The push plate driving mechanism comprises: A gantry, connected to the first assembly; The gantry driving mechanism is used to drive the gantry and the first assembly to move forward and backward relative to the hopper.

5. The food material sequential feeding device according to claim 1, characterized in that: It also includes a second combined driving device, which is used to drive the second combination to move to a predetermined position, the non-moving part of the second combined driving device is connected to the frame, and the moving part of the second combined driving device is connected to the second combination.

6. The food material sequential feeding device according to claim 5, characterized in that: It also includes a hopper position limiting mechanism, which has a locking state for locking the hopper to the material rack and an unlocking state for releasing the lock of the hopper.

7. The food material sequential feeding device according to claim 1, characterized in that: There are at least two of the first combinations, and a switching mechanism is provided between the push plate driving mechanism and each of the first combinations. The switching mechanism is used to switch the push plate driving mechanism to cooperate with one of the first combinations.

8. The food material sequential feeding device according to any one of claims 1 to 7, characterized in that: Also includes a cleaning device; The cleaning device comprises: A shell body, which surrounds the hopper, the push plate, the push rotary mechanism, the push plate driving mechanism, the material rack and the machine frame, and a drain port is provided at the bottom of the shell body; A cleaning nozzle, wherein at least one cleaning nozzle is provided, each cleaning nozzle is located in the shell, and the cleaning nozzle faces the inside of the shell.

9. The food material sequential feeding device according to claim 8, characterized in that: Also included is a cryopreservation device; The low temperature preservation device comprises: A cooling system for reducing the temperature of the food material in the housing; The thermostat controls the temperature in the shell by controlling the operating time of the cooling system.

10. An automatic cooking device, characterized in that: It comprises the food material sequential feeding device as described in any one of claims 1 to 9.

11. An automatic cooking device, characterized in that: The method comprises a plurality of sequential feeding devices for food materials as claimed in any one of claims 1 to 9 and a driving device for driving each of the sequential feeding devices for food materials to feed materials to feeding positions in sequence.

12. A feeding method based on the food material sequential feeding device according to any one of claims 1 to 9, characterized in that: include: a. Add food material to the hopper, and place the hopper on the rack, and the push plate is in the avoidance state; b. The push plate driving mechanism drives the first assembly to move forward or backward relative to the hopper, so that the free end of the push plate moves to above the preset position, and the push plate rotating mechanism drives the push plate to rotate the push plate from the avoidance state to the push state; c. The pusher rotary mechanism drives the first assembly to move forward relative to the hopper, and delivers the food material on the side of the pusher plate close to the discharge port out of the discharge port; d. The pusher rotating mechanism drives the pusher plate to rotate the pusher plate from the pusher state to the avoidance state.

13. A feeding method as claimed in claim 12, characterized in that: After step d, the method further comprises: e. Repeat bd until the food material is put in.

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