Solid material feeding device for a cooking machine

Abstract

This invention discloses a solid material feeding device for a cooking machine, relating to the field of cooking machines. It includes a feeding box, which is a container with an opening at one end. A feeding assembly is installed inside the feeding box, including a feeding rack that can move along its length inside the feeding box, pushing the material inside the box to the opening end and feeding it into the cooking pan. Vertical cavities are formed on both sides of the feeding rack, each housing a vertical brush roller. A horizontal cavity is formed at the bottom of the feeding rack, housing a horizontal brush roller. This invention integrates the feeding rack with the cleaning structure, simultaneously feeding solid material and driving the vertical and horizontal brush rollers to rotate synchronously, thoroughly cleaning the side walls and bottom surface of the feeding box. This effectively solves the problem of material residue and avoids food safety hazards caused by accumulated dirt.

Description

Technical Field

[0001] This invention relates to the field of cooking machines, and more particularly to a solid material feeding device for cooking machines. Background Technology

[0002] As is well known, existing cooking machines typically use a pushing mechanism to push the material from the feed box into the pot when equipped with a solid material feeding device.

[0003] However, in actual use, these devices generally suffer from material residue problems—grease, seasoning powder, and food scraps easily adhere to the inner wall and bottom of the feed box. Long-term accumulation not only affects the accuracy of subsequent feeding but also breeds bacteria in high-temperature environments, posing a threat to food hygiene and safety. To address this issue, some devices have attempted to open a waste outlet at the bottom of the feed box or add a simple scraper structure, but the cleaning effect is very limited, and the residue still cannot be completely removed. Other devices use an independent cleaning mechanism to clean the feed box regularly, but this method not only increases the complexity of the equipment but also requires pausing the feeding operation during cleaning, affecting the working efficiency of the cooking machine. In addition, the openings on the bottom plate of existing feed boxes are mostly of fixed specifications, making it difficult to adapt to the feeding needs of solid materials of different particle sizes. Smaller particles are prone to leaking out of overly large holes, causing waste, while larger particles may not be able to be discharged smoothly due to overly small holes, causing many inconveniences in actual use. Summary of the Invention

[0004] (a) Purpose of the invention In view of this, the purpose of this invention is to provide a solid material feeding device for a cooking machine. This device integrates the feeding rack and the cleaning structure, so that while the solid material is being pushed and fed, the vertical and horizontal brush rollers are rotated synchronously by the movement of the feeding rack itself, so as to clean the side walls and bottom surface of the material box in all directions. This effectively solves the problem of material residue and avoids food safety hazards caused by dirt accumulation. Moreover, this structure can complete the cleaning operation without the need for an additional power source, which reduces the manufacturing cost and energy consumption of the equipment.

[0005] (II) Technical Solution To achieve the above-mentioned technical objectives, the present invention provides a solid material feeding device for a cooking machine, comprising a material box, wherein the material box is a container with an opening at one end, and a feeding assembly is installed inside the material box. The feeding assembly includes a feeding rack, which can move along the length direction inside the material box to push the material inside the material box from the inside of the material box to the opening end of the material box and put it into the cooking pot. Vertical cavities are opened on both sides of the feeding rack along the vertical direction, and vertical brush rollers are installed inside the vertical cavities. A horizontal cavity is opened at the bottom of the feeding rack along the length direction, and a horizontal brush roller is installed inside the horizontal cavity. Both the vertical brush rollers and the horizontal brush rollers can rotate when the feeding rack moves, so that the vertical brush rollers and the horizontal brush rollers can clean the inner cavity of the material box during the process of the feeding rack pushing and retracting.

[0006] As a further description of the above technical solution: the top of the feeding rack is provided with a top frame, and the inner side of the top of the material box is provided with a transverse groove along the length direction. The two ends of the top frame are slidably engaged in the transverse groove. A lead screw is rotatably installed inside the transverse groove along the length direction. A lead screw nut adapted to the lead screw is embedded in the end of the top frame. The lead screw nut is sleeved on the lead screw. A motor port is provided on the material box at one end of the lead screw, and a motor capable of driving the lead screw to rotate is installed in the motor port. When the motor runs, it drives the lead screw to rotate. Under the action of the lead screw nut, the top frame drives the feeding rack to move along the length direction of the transverse groove, that is, the feeding rack moves inside the material box, realizing the feeding of materials and the reset of the feeding rack.

[0007] As a further description of the above technical solution: A gear cavity is also provided on the side of the feeding rack above the vertical cavity. A gear is rotatably installed inside the gear cavity. The gear is connected to the top shaft of the vertical brush roller, so that the vertical brush roller can rotate synchronously when the gear rotates. A guide groove is provided on the inner wall of the material box at the same horizontal position as the gear. The guide groove is opened along the length of the material box, and a rack is provided inside the guide groove. The gear meshes with the rack. When the feeding rack moves, the gear rotates under the action of the rack. The gear and the vertical brush roller are coaxially driven. Therefore, the vertical brush roller can rotate synchronously when the gear rotates. That is, the vertical brush roller can clean the two side walls of the material box while the feeding rack moves. Moreover, this structural design makes it possible to clean the inner side wall of the material box without additional electrical devices, reducing the equipment structure and lowering the cost of using the device.

[0008] As a further description of the above technical solution: corner cavities are provided at both ends of the feeding rack. The end shafts of the vertical brush roller and the horizontal brush roller extend into the corner cavities. Bevel gears are installed on the shafts of the vertical brush roller and the horizontal brush roller that extend into the corner cavities. The bevel gears on the end shafts of the vertical brush roller and the horizontal brush roller are meshed and connected. When the vertical brush roller rotates, the horizontal brush roller rotates synchronously under the action of the bevel gears. This achieves the effect of cleaning the inner wall and bottom surface of the material box by the synchronous rotation of the vertical brush roller and the horizontal brush roller during the movement of the feeding rack.

[0009] As a further description of the above technical solution: a water trough is installed above the top frame, and a water inlet pipe is provided at one end of the water trough. Multiple nozzles are installed on the bottom side of the top frame near the opening end of the material box via an inclined plate. In use, the water inlet pipe is connected to an external water supply device. After the material box is fed once, water is supplied to the inside of the water trough through the external water supply device, and the nozzles rinse the inner wall of the material box. During this process, the vertical brush roller and the horizontal brush roller can be used to thoroughly clean the inner wall of the material box.

[0010] As a further description of the above technical solution: a clearance opening is provided above the opening end of the material box corresponding to the position of each nozzle. When the nozzle moves to the opening end of the material box, it can be accommodated in the clearance opening, so the nozzle will not be blocked by the end of the material box.

[0011] As a further description of the above technical solution: a bottom compartment is installed below the material box, and the bottom of the material box adopts a hollow structure. A base plate is detachably snapped into the hollow structure at the bottom of the material box. The base plate includes a main board, and several through holes are arrayed on the surface of the main board. The inside of the material box is connected to the inside of the bottom compartment through the through holes. Therefore, when cleaning the inner wall of the material box, the cleaning waste can enter the bottom compartment through the through holes for collection, ensuring the cleanliness of the inner wall of the material box.

[0012] As a further description of the above technical solution: the hollow structure at the bottom of the material box is provided with slots at both ends, and the two ends of the main board are provided with stepped structures that are adapted to the slots at the bottom of the material box, and the stepped structures at both ends of the main board are engaged in the slots.

[0013] As a further description of the above technical solution: the main board has an internal cavity, and the base plate also includes a sub-plate. The sub-plate is movably assembled in the cavity. The surface of the sub-plate has a perforation hole of the same size as the perforation hole at each position. When the sub-plate moves, the higher the overlap between the perforation hole and the perforation hole on the sub-plate, the larger the effective area of ​​the perforation hole, that is, the larger the effective hole, and the larger the particle size of the material that can be accommodated. Conversely, the lower the overlap between the perforation hole and the perforation hole on the sub-plate, the smaller the effective area of ​​the perforation hole, that is, the smaller the effective hole, and the smaller the particle size of the material that can be accommodated. This device can accommodate the feeding of materials with different particle sizes, and subsequent residual cleaning is more convenient.

[0014] As a further description of the above technical solution: a sliding protrusion is installed on the upper part of the sub-plate, and a sliding groove is opened on the upper surface of the main plate corresponding to the position of the sliding protrusion. The sliding protrusion can slide in the sliding groove. When it is necessary to adjust the position of the sub-plate, it is only necessary to move the sliding protrusion in the sliding groove, which is convenient and quick to operate.

[0015] In the above technical solution, the present invention provides a solid material feeding device for a cooking machine. This device integrates the feeding rack and the cleaning structure into a single design. While feeding solid materials, the feeding rack itself drives the vertical and horizontal brush rollers to rotate synchronously, performing a comprehensive cleaning of the side walls and bottom surface of the material box. This effectively solves the problem of material residue and avoids food safety hazards caused by accumulated dirt. Furthermore, this structure requires no additional power source to complete the cleaning operation, reducing the manufacturing cost and energy consumption of the equipment. In addition, it is equipped with a water spraying system that can spray water onto the inner wall of the material box. The trough structure allows for rinsing of the inside of the material box after feeding, further improving the cleaning effect and ensuring the cleanliness of the inside of the material box during secondary feeding. The bottom of the material box adopts a hollow structure and is equipped with a replaceable bottom plate. Waste liquid and residue generated during the cleaning process can enter the bottom silo for centralized collection through the opening, avoiding secondary pollution. The movable sub-plate design inside the bottom plate allows the effective area of ​​the opening to be flexibly adjusted according to the particle size of the material. This not only prevents premature leakage of small-diameter materials but also ensures the smooth passage of large-diameter materials, significantly improving the device's adaptability to different types of solid materials. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of a solid material feeding device for a stir-fry machine provided by the present invention; Figure 2 This is a schematic diagram of another perspective of the solid material feeding device for a stir-fry machine provided by the present invention; Figure 3 This invention provides a schematic diagram of the internal structure of the feed box of a solid feed device for a cooking machine. Figure 4 This is a schematic diagram of the feeding component structure in a solid material feeding device for a cooking machine provided by the present invention; Figure 5 This is a schematic diagram of the feeding component in a solid material feeding device for a cooking machine provided by the present invention from another perspective; Figure 6 A schematic diagram of the linkage structure of the vertical brush roller and the horizontal brush roller in a solid material feeding device for a stir-fry machine provided by the present invention; Figure 7 This is a schematic diagram of the structure of the bottom plate during disassembly in a solid material feeding device for a cooking machine provided by the present invention; Figure 8 This is a schematic diagram of the structure of a solid material feeding device for a cooking machine provided by the present invention, in which the through-hole of the main board and the cutout of the secondary board do not overlap at all; Figure 9 This is a schematic diagram of the structure of a solid material feeding device for a cooking machine provided by the present invention, in which the through-hole of the main board and the cutout of the secondary board are completely overlapped. Figure 10 This is a schematic diagram of the structure of a solid material feeding device for a cooking machine provided by the present invention when installed on the cooking machine.

[0018] Attached reference numerals: 1. Material box; 10. Motor port; 11. Horizontal groove; 12. Guide groove; 13. Rack; 14. Bayonet; 15. Clearance opening; 16. Bottom cleaning opening; 17. Side cleaning opening; 2. Bottom compartment; 3. Feeding assembly; 30. Motor; 31. Lead screw; 32. Feeding rack; 320. Gear cavity; 321. Vertical cavity; 322. Corner cavity; 323. Horizontal cavity; 33. Top frame; 330. Nozzle; 331. Lead screw nut; 332. Inclined plate; 34. Water channel; 340. Water inlet pipe; 35. Gear; 36. Vertical brush roller; 37. Horizontal brush roller; 38. Bevel gear; 4. Base plate; 40. Main plate; 400. Slide groove; 401. Through opening; 402. Cavity; 41. Sub-plate; 410. Slide protrusion; 5. Cooking machine platform; 6. Wok. Detailed Implementation

[0019] The following description is exemplary in nature and is not intended to limit the scope, application, or use of this disclosure. It should be understood that in all these figures, the same or similar reference numerals indicate the same or similar parts and features. The figures are merely schematic representations of the concept and principles of embodiments of this disclosure and do not necessarily show the specific dimensions and scale of the various embodiments of this disclosure. Certain details or structures of embodiments of this disclosure may be exaggerated in particular portions of certain figures.

[0020] like Figure 1 - Figure 9 As shown: This embodiment provides a technical solution: a solid material feeding device for a cooking machine, including a material box 1. The material box 1 is a container with an opening at one end. A feeding component 3 is installed inside the material box 1. The feeding component 3 includes a feeding rack 32. The feeding rack 32 can move along the length direction inside the material box 1 to push the material inside the material box 1 from the inside of the material box 1 to the opening end of the material box 1 and put it into the wok 6. Vertical cavities 321 are opened on both sides of the feeding rack 32 along the vertical direction. Vertical brush rollers 36 are installed inside the vertical cavities 321. A horizontal cavity 323 is opened at the bottom of the feeding rack 32 along the length direction. A horizontal brush roller 37 is installed inside the horizontal cavity 323. Both the vertical brush roller 36 and the horizontal brush roller 37 can rotate when the feeding rack 32 moves, so that the vertical brush roller 36 and the horizontal brush roller 37 can clean the inner cavity of the material box 1 during the process of the feeding rack 32 pushing the material and retracting to reset. Working principle: The device is installed above the cooking machine platform 5. The material box 1 is placed in the reserved installation cavity of the cooking machine platform 5, with the opening end of the material box 1 corresponding to the top of the wok 6. In use, the solid material to be added is poured into the inside of the material box 1. The addition time and amount are set on the cooking machine platform 5. During the cooking process, the material feeding rack 32 moves inside the material box 1, pushing the solid material inside the material box 1 from the opening end of the material box 1 into the wok 6. During the movement of the material feeding rack 32, the vertical brush roller 36 and the horizontal brush roller 37 on the side and bottom of the material feeding rack 32 simultaneously clean the side walls and bottom surface of the material box 1. This keeps the inner wall of the material box 1 clean at all times, thus ensuring food safety.

[0021] Specifically, such as Figure 4 - Figure 6As shown, in order to achieve the movement control of the feeding rack 32 inside the material box 1, in this embodiment, a top frame 33 is provided on the top of the feeding rack 32. Two transverse grooves 11 are opened along the length direction on the inner side of the top of the material box 1. The two ends of the top frame 33 are slidably engaged in the transverse grooves 11. A lead screw 31 is rotatably installed inside one of the transverse grooves 11 along the length direction. A lead screw nut 331 adapted to the lead screw 31 is embedded in the end of the top frame 33. The lead screw nut 331 is sleeved on the lead screw 31. A motor port 10 is opened on the material box 1 at one end of the lead screw 31, and a device capable of driving the lead screw 31 to rotate is installed in the motor port 10. The motor 30 is driven to rotate the lead screw 31 when it runs. With the cooperation of the lead screw nut 331, the top frame 33 drives the feeding frame 32 to move along the length of the transverse groove 11. That is, the feeding frame 32 moves inside the material box 1 to realize the feeding of materials and the reset of the feeding frame 32. It should also be noted that a guide slide rod is installed in another transverse groove 11. A sliding sleeve adapted to the guide slide rod is embedded in the end of the top frame 33. The guide slide rod and the sliding sleeve are slidably connected. Through the adaptation of the guide slide rod and the sliding sleeve, the top frame 33 can be more stable when moving, ensuring the smooth feeding of materials.

[0022] Specifically, such as Figure 4 - Figure 6 As shown, in order to enable the vertical brush roller 36 to rotate synchronously and clean the two side walls of the material box 1 during the movement of the feeding rack 32, in this embodiment, a gear cavity 320 is also provided on the side of the feeding rack 32 above the vertical cavity 321. A gear 35 is rotatably installed inside the gear cavity 320. The gear 35 is connected to the top rotating shaft of the vertical brush roller 36, so that the vertical brush roller 36 can rotate synchronously when the gear 35 rotates. A guide groove 12 is provided on the inner wall of the material box 1 at the same horizontal position as the gear 35. The guide groove 12 is opened along the length direction of the material box 1. Furthermore, a rack 13 is provided inside the guide groove 12, and the gear 35 meshes with the rack 13. Based on this, when the feeding rack 32 moves, the gear 35 rotates under the action of the rack 13. The gear 35 is coaxially driven with the vertical brush roller 36. Therefore, when the gear 35 rotates, the vertical brush roller 36 can rotate synchronously. That is, while the feeding rack 32 moves, the vertical brush roller 36 can clean the two side walls of the material box 1. Moreover, this structural arrangement makes it possible to clean the inner side wall of the material box 1 without additional electrical devices, reducing the equipment structure and lowering the operating cost of the device.

[0023] Specifically, such as Figure 1 - Figure 5As shown, in order to enable the horizontal brush roller 37 to rotate synchronously and clean the bottom surface of the material box 1 during the movement of the feeding rack 32, in this embodiment, corner cavities 322 are provided at both ends of the feeding rack 32. The end shafts of the vertical brush roller 36 and the horizontal brush roller 37 extend into the corner cavity 322. Bevel gears 38 are installed on the shafts of the vertical brush roller 36 and the horizontal brush roller 37 that extend into the corner cavity 322. The bevel gears 38 on the end shafts of the vertical brush roller 36 and the horizontal brush roller 37 are meshed and connected. Based on this, when the vertical brush roller 36 rotates, the horizontal brush roller 37 rotates synchronously under the action of the bevel gear 38, thereby achieving the effect of cleaning the inner wall and bottom surface of the material box 1 by the synchronous rotation of the vertical brush roller 36 and the horizontal brush roller 37 during the movement of the feeding rack 32.

[0024] Specifically, such as Figure 1 - Figure 6 As shown, in order to thoroughly clean the inner wall of the material box 1 after feeding, facilitating secondary feeding, in this embodiment, a water trough 34 is installed above the top frame 33. One end of the water trough 34 is equipped with a water inlet pipe 340. Multiple nozzles 330 are installed on the bottom side of the top frame 33 near the opening of the material box 1 via an inclined plate 332. In use, the water inlet pipe 340 is connected to an external water supply device. After the material box 1 has been fed once, water is supplied to the inside of the water trough 34 through the external water supply device, and the nozzles 330 rinse the inner wall of the material box 1. During this process… The vertical brush roller 36 and the horizontal brush roller 37 work together to thoroughly clean the inner wall of the material box 1. It should also be noted that the bottom and sides of the material box 1 are provided with a bottom cleaning port 16 and a side cleaning port 17. The bottom cleaning port 16 and the side cleaning port 17 are located on the same vertical plane when the vertical brush roller 36 and the horizontal brush roller 37 move to the closed end position of the material box 1. Therefore, when the vertical brush roller 36 and the horizontal brush roller 37 move to the bottom cleaning port 16 and the side cleaning port 17, the vertical brush roller 36 and the horizontal brush roller 37 can be cleaned through the bottom cleaning port 16 and the side cleaning port 17.

[0025] Specifically, such as Figure 1 As shown, in order to ensure that the nozzle 330 is not blocked by the end of the material box 1 when the feeding rack 32 moves to the opening end of the material box 1, in this embodiment, a clearance opening 15 is provided above the opening end of the material box 1 corresponding to the position of each nozzle 330. When the nozzle 330 moves to the opening end of the material box 1, it can be accommodated in the clearance opening 15, so the nozzle 330 will not be blocked by the end of the material box 1.

[0026] Specifically, such as Figure 1 - Figure 5As shown, in order to facilitate the collection of cleaning waste during cleaning of the inside of the material box 1, in this embodiment, a bottom compartment 2 is installed below the material box 1. The bottom of the material box 1 adopts a hollow structure, and a bottom plate 4 is detachably snapped into the hollow structure at the bottom of the material box 1. The bottom plate 4 includes a main board 40, and a plurality of through holes 401 are arrayed on the surface of the main board 40. The inside of the material box 1 is connected to the inside of the bottom compartment 2 through the through holes 401. Therefore, when cleaning the inner wall of the material box 1, the cleaning waste can enter the bottom compartment 2 through the through holes 401 for collection, ensuring the cleanliness of the inner wall of the material box 1.

[0027] Specifically, such as Figure 7 - Figure 9 As shown, in order to facilitate the installation of the motherboard 40, in this embodiment, the hollow structure at the bottom of the material box 1 is provided with slots 14 at both ends, and the motherboard 40 is provided with stepped structures at both ends that are adapted to the slots 14 at the bottom of the material box 1. The stepped structures at both ends of the motherboard 40 are engaged in the slots 14.

[0028] Specifically, such as Figure 7 - Figure 9 As shown, in order to adapt to the feeding of materials with different particle sizes, in this embodiment, the main board 40 is provided with a cavity 402 inside, and the base plate 4 also includes a sub-plate 41. The sub-plate 41 is movably assembled in the cavity 402. The surface of the sub-plate 41 is provided with a hole of the same size as the opening 401 at the position corresponding to each opening 401. When the sub-plate 41 moves, the higher the overlap between the opening 401 and the hole on the sub-plate 41, the larger the effective area of ​​the opening 401, that is, the larger the effective hole, and the larger the particle size of the material that can be adapted. Conversely, the lower the overlap between the opening 401 and the hole on the sub-plate 41, the smaller the effective area of ​​the opening 401, that is, the smaller the effective hole, and the smaller the particle size of the material that can be adapted. Based on this, the device can adapt to the feeding of materials with different particle sizes, and the subsequent residual cleaning is more convenient.

[0029] Specifically, such as Figure 7 - Figure 9 As shown, in order to facilitate the adjustment and control of the sub-plate 41 and thus the effective area adjustment of the through 401, in this embodiment, a sliding protrusion 410 is installed on the top of the sub-plate 41, and a sliding groove 400 is opened on the upper surface of the main plate 40 corresponding to the position of the sliding protrusion 410. The sliding protrusion 410 can slide in the sliding groove 400. Based on this, when it is necessary to adjust the position of the sub-plate 41, it is only necessary to move the sliding protrusion 410 in the sliding groove 400, which is convenient and quick to operate.

[0030] The exemplary implementation of the solution proposed in this disclosure has been described in detail above with reference to preferred embodiments. However, those skilled in the art will understand that various modifications and alterations can be made to the above specific embodiments without departing from the spirit of this disclosure, and various combinations can be made to the various technical features and structures proposed in this disclosure without exceeding the protection scope of this disclosure, which is determined by the appended claims.

Claims

1. A solid material feeding device for a stir-fry machine, characterized in that, It includes a material box (1), which is a container with an opening at one end. A feeding assembly (3) is installed inside the material box (1). The feeding assembly (3) includes a feeding rack (32), which can move along its length inside the material box (1) to push the material inside the material box (1) from inside the material box (1) to the opening end of the material box (1) and into the wok. Vertical cavities (321) are provided on both sides of the feeding rack (32) along the vertical direction. A vertical brush roller (36) is installed inside the vertical cavity (321). A horizontal cavity (323) is opened at the bottom of the feeding frame (32) along the length direction. A horizontal brush roller (37) is installed inside the horizontal cavity (323). Both the vertical brush roller (36) and the horizontal brush roller (37) can rotate when the feeding frame (32) moves, so that the vertical brush roller (36) and the horizontal brush roller (37) can clean the inner cavity of the material box (1) during the feeding frame (32) pushing and retracting.

2. The solid material feeding device for a stir-fry machine according to claim 1, characterized in that, The top of the feeding rack (32) is provided with a top frame (33). The inner side of the top of the material box (1) is provided with a transverse groove (11) along the length direction. The two ends of the top frame (33) are slidably engaged in the transverse groove (11). A lead screw (31) is rotatably installed inside the transverse groove (11) along the length direction. A lead screw nut (331) adapted to the lead screw (31) is embedded in the end of the top frame (33). The lead screw nut (331) is sleeved on the lead screw (31). A motor port (10) is provided on the material box (1) at one end of the lead screw (31), and a motor (30) capable of driving the lead screw (31) to rotate is installed in the motor port (10).

3. A solid material feeding device for a stir-fry machine according to claim 2, characterized in that, The side of the feeding rack (32) above the vertical cavity (321) is also provided with a gear cavity (320). A gear (35) is rotatably installed inside the gear cavity (320). The gear (35) is connected to the top rotating shaft of the vertical brush roller (36) so that the vertical brush roller (36) can rotate synchronously when the gear (35) rotates. A guide groove (12) is provided on the inner wall of the material box (1) at the same horizontal position as the gear (35). The guide groove (12) is opened along the length direction of the material box (1), and a rack (13) is provided inside the guide groove (12). The gear (35) meshes with the rack (13).

4. A solid material feeding device for a stir-fry machine according to claim 3, characterized in that, The feeding rack (32) has corner cavities (322) at both ends. The end shafts of the vertical brush roller (36) and the horizontal brush roller (37) extend into the corner cavity (322). Bevel gears (38) are installed on the shafts of the vertical brush roller (36) and the horizontal brush roller (37) that extend into the corner cavity (322). The bevel gears (38) on the end shafts of the vertical brush roller (36) and the horizontal brush roller (37) are meshed together.

5. A solid material feeding device for a stir-fry machine according to any one of claims 2-4, characterized in that, A water trough (34) is installed above the top frame (33), and a water inlet pipe (340) is provided at one end of the water trough (34). Multiple nozzles (330) are installed on the bottom side of the top frame (33) near the opening end of the material box (1) through an inclined plate (332).

6. A solid material feeding device for a stir-fry machine according to claim 4, characterized in that, Above the opening of the material box (1), a clearance opening (15) is provided corresponding to the position of each nozzle (330), so that the nozzle (330) can be accommodated in the clearance opening (15) when it moves to the opening of the material box (1).

7. A solid material feeding device for a stir-fry machine according to claim 1, characterized in that, The bottom of the material box (1) is equipped with a bottom compartment (2). The bottom of the material box (1) adopts a hollow structure. A base plate (4) is detachably snapped into the hollow structure at the bottom of the material box (1). The base plate (4) includes a main board (40). Several through holes (401) are arrayed on the surface of the main board (40). The inside of the material box (1) is connected to the inside of the bottom compartment (2) through the through holes (401).

8. A solid material feeding device for a stir-fry machine according to claim 7, characterized in that, The hollow structure at the bottom of the material box (1) is provided with slots (14) at both ends. The two ends of the main board (40) are provided with stepped structures that are adapted to the slots (14) at the bottom of the material box (1). The stepped structures at both ends of the main board (40) are engaged in the slots (14).

9. A solid material feeding device for a stir-fry machine according to claim 7, characterized in that, The motherboard (40) has a cavity (402) inside. The base plate (4) also includes a sub-plate (41). The sub-plate (41) is movably assembled in the cavity (402). The surface of the sub-plate (41) has a hole of the same size as the opening (401) at the position corresponding to each opening (401).

10. A solid material feeding device for a stir-fry machine according to claim 9, characterized in that, A sliding protrusion (410) is installed above the sub-plate (41), and a sliding groove (400) is provided on the upper surface of the main plate (40) corresponding to the position of the sliding protrusion (410), and the sliding protrusion (410) can slide in the sliding groove (400).

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