Puffing device for green puffed food processing and puffing method thereof

Abstract

The invention relates to a puffing device for green puffed food processing, the puffing device comprises a shell and a turntable, the turntable is coaxially and rotatably arranged at the lower part in the shell, and a puffing station, a discharging station and a plurality of injection stations are circumferentially and uniformly distributed in the space, located at the upper part of the turntable, in the shell in sequence; a plurality of mold assemblies are uniformly distributed on the circumference of the rotary table, each mold assembly comprises a positioning shaft, a base plate, a mold plate and a mold shell, a bulking assembly is arranged at a bulking station of the shell, a discharging assembly is arranged at a discharging station of the shell, and a feeding assembly is arranged at a feeding station of the shell. The green puffed food processing and puffing method comprises the following steps: S1, primary material injection; S2, subsequent material injection; S3, sealed puffing; and S4, discharging. The invention aims to solve or at least alleviate the problem that various materials are layered and puffed into a whole by the existing puffing equipment and puffing method, and provides the puffing device for green puffed food processing and the puffing method thereof.

Description

Technical Field

[0001] The invention belongs to the technical field of food puffing processing, and in particular relates to a puffing device for green puffed food processing and a puffing method thereof. Background Art

[0002] Puffed food is a delicious snack food made from grains, potatoes, beans, etc. through a process of crushing, sterilization, puffing and baking. As a popular consumer product, its annual sales volume is growing rapidly in China and even around the world. The crushing process is conducive to improving the puffing effect of food, facilitating the absorption of nutrients by the human body, and improving the taste.

[0003] Existing puffing equipment can only puff a single material or a single material mixed with multiple raw materials. The shape is difficult to control and the taste is not rich. It is impossible to puff multiple materials into one layer. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies in the prior art, solve or at least alleviate the problem that the existing puffing equipment and puffing method puff multiple materials into one layer, and provide a puffing device and puffing method for green puffed food processing.

[0005] The present invention is achieved through the following technical solutions:

[0006] A puffing device for green puffed food processing, comprising a shell and a turntable, wherein the shell is a cylindrical shell, the turntable is coaxially rotatably arranged in the lower part of the shell, and a puffing station, a discharging station and a plurality of injection stations are uniformly distributed in the space above the turntable in the shell; a plurality of mold assemblies are uniformly distributed in the turntable, and the number of the mold assemblies is equal to the sum of the number of the puffing station, the discharging station and the injection station;

[0007] The mold assembly includes a positioning shaft, a chassis, a mold plate and a mold shell. The positioning shaft is vertically arranged and its lower part is rotatably arranged on the turntable. The chassis is axially slidably sleeved on the upper part of the positioning shaft. A plurality of mold plates are longitudinally stacked and arranged above the chassis. All mold plates are axially slidably sleeved on the positioning shaft. A plurality of mold shells are circumferentially evenly embedded in the mold plate. The number of mold plates is greater than the number of injection stations. A molding hole is arranged in the middle of the mold shell. The upper and lower end surfaces of the mold shell are respectively flush with the upper and lower end surfaces of the mold plate.

[0008] The puffing station of the shell is provided with a puffing assembly, and the puffing assembly includes a puffing cylinder and a piston plate, the puffing cylinder is longitudinally slidably arranged on the shell, and the piston plate is sealingly slidably arranged in the puffing cylinder;

[0009] The unloading station of the shell is provided with an unloading assembly, and the unloading assembly includes an unloading rod, and the number of the unloading rods is equal to the mold shells on the mold plate and is arranged one-to-one, and the unloading rod is longitudinally slidably arranged on the shell;

[0010] The injection station of the shell is provided with an injection assembly, and the injection assembly includes an injection tube, which is arranged laterally along the radial direction of the shell, one end of the injection tube is connected to the material source, and the other end is located in the shell, and an injection hole is arranged on the lower side of the end of the injection tube located in the shell, and the position of the injection hole is arranged corresponding to the position of the mold shell.

[0011] In order to further realize the present invention, the following technical solutions may be preferably selected:

[0012] Preferably, it also includes a driving component, which includes a main motor, an auxiliary motor, a center gear and a sub-gear. The main motor is fixedly arranged at the lower part of the outer shell and its output shaft is coaxially fixedly connected to the turntable. The center gear is rotatably fitted on the output shaft of the main motor, and the sub-gear is fixedly fitted on the positioning shaft. The sub-gear and the center gear are meshed and transmitted to each other. The number of sub-gears and the positioning shaft is equal and they are arranged one by one. The auxiliary motor is fixedly arranged below the turntable, and the output shaft of the auxiliary motor is transmission-connected to the center gear.

[0013] Preferably, the bottom surface of the injection pipe of the injection station adjacent to the unloading station is in contact with the upper surface of the mold plate located at the bottom, and in the rotation direction of the turntable, the height of the injection pipe of the rear injection station and the height of the injection pipe of the front injection station are equal to the thickness of the mold plate.

[0014] Preferably, both upper and lower ends of the mold plate are provided with chamfers, and both sides of one end of the injection tube located in the shell are provided with lifting platforms, the lower surface of the lifting platform is flush with the lower surface of the injection tube, and the upper surface is a slope with a lower outer side and a higher inner side.

[0015] Preferably, the puffing assembly further comprises a sealing oil cylinder and a puffing oil cylinder, the fixed section and the telescopic section of the sealing oil cylinder are fixedly connected to the outer shell and the puffing cylinder respectively, the fixed section of the puffing oil cylinder is fixedly connected to the puffing cylinder, and the telescopic section of the puffing oil cylinder is rotatably connected to the piston plate;

[0016] The sealing oil cylinder drives the expanding cylinder and the expanding cylinder to rise and fall together, and the lower end of the expanding cylinder is pressed to the uppermost die plate, so that the bottom plate and the lowermost die plate, any two adjacent die plates, and the lower end of the expanding cylinder and the uppermost die plate are all in a sealed state; the expanding oil cylinder drives the piston plate to rise and fall in the expanding cylinder, and the downward movement of the piston plate increases the pressure in the expanding cylinder, so that the material in the mold shell is pressed and expanded.

[0017] Preferably, the upper and lower surfaces of the mold shells are both embedded with sealing rings, the sealing rings are coaxially arranged with the mold plate, the sealing rings are located outside the circle formed by the multiple mold shells, and the sealing rings on the upper surface of the mold plate at the bottom are arranged opposite to the sealing rings on the lower surface of the mold plate at the top;

[0018] The upper surface of the bottom plate is pressed against the sealing ring on the lower surface of the lowest die plate, and the lower end of the expansion cylinder is provided with a flange folded outward laterally, and the flange is pressed against the sealing ring on the upper surface of the highest die plate.

[0019] Preferably, the unloading assembly also includes a unloading tray and a unloading cylinder, the fixed section of the unloading cylinder is fixedly arranged on the outer shell, the telescopic section of the unloading cylinder is vertically downward, the unloading tray is rotatably arranged on the telescopic section of the unloading cylinder, the upper end of the unloading rod is fixedly connected to the unloading tray, and after the lower part of the unloading rod is extended into the mold shell, the unloading tray rotates with the mold tray.

[0020] Preferably, it also includes a positioning assembly, the positioning assembly includes an outer positioning rail and an inner positioning rail, the outer positioning rail and the inner positioning rail are both fixedly connected to the shell, the outer positioning rail is arranged along the inner wall of the shell, the inner positioning rail is coaxially arranged with the outer positioning rail, and the inner and outer sides of the bottom surface of the chassis are respectively slidably fitted to the inner positioning rail and the outer positioning rail;

[0021] The section of the outer positioning rail or the inner positioning rail located at the puffing station and the section of the injection station are both located at the same height position, the height position of the section of the outer positioning rail or the inner positioning rail located at the injection station is lower than the height position of the section of the outer positioning rail or the inner positioning rail located at the puffing station or the injection station, and the section of the outer positioning rail or the inner positioning rail located at the injection station is smoothly inclined between the section of the outer positioning rail or the inner positioning rail located at the puffing station and the section of the outer positioning rail or the inner positioning rail located at the adjacent injection station;

[0022] The positioning assembly also includes a partition, which is transversely fixed to the unloading station of the shell, the lower surface of the mold plate located at the bottom is slidably attached to the upper surface of the partition, and a unloading hole is arranged in the middle of the partition.

[0023] Preferably, the longitudinal section of the chassis is an isosceles trapezoid that is larger at the top and smaller at the bottom, and the outer positioning rail and the inner positioning rail are correspondingly arranged on the circumferential inclined surface at the lower side of the chassis.

[0024] A green puffed food processing and puffing method comprises the following steps:

[0025] S1, one-time injection, when a mold assembly rotates to the injection station of the adjacent unloading station, the unloading pipe is pressed to the upper surface of the mold plate located at the bottom, and at the same time, the unloading pipe moves all the mold plates above the mold plate upward, and the end of the unloading pipe extends between the two mold plates, the bottom plate and the mold plate are rotated, and the unloading pipe injects materials into the mold shell on the mold plate located at the bottom in sequence;

[0026] S2, subsequent injection, when the mold assembly rotates to the subsequent unloading station, the unloading pipe is pressed to the upper surface of the mold plate adjacent to the upper layer of the mold plate that has been injected, and at the same time, the unloading pipe moves all the mold plates above the mold plate upward, and the end of the unloading pipe extends between the two mold plates, the bottom plate and the mold plate are rotated, and the unloading pipe injects materials into the mold shell on the mold plate below the unloading pipe in sequence;

[0027] S3, sealed puffing. When the mold assembly rotates to the puffing position, the lower end of the puffing cylinder is pressed to the mold shell at the top, so that the puffing cylinder is in a sealed state. The piston plate moves downward to increase the pressure in the puffing cylinder, so that the material in the mold shell is pressed and puffed. After the puffing is completed, the puffing cylinder and the piston plate return to their initial states.

[0028] S4, unloading, when the mold assembly rotates to the unloading station, all mold plates maintain a fixed height position, the bottom plate descends, the unloading rod descends and penetrates into the mold shell, and the unloading rod returns to its initial state after the expanded material is pressed out of the mold shell.

[0029] Through the above technical solution, the beneficial effects of the present invention are:

[0030] The mold assembly of the present invention includes a plurality of stacked mold plates. When injecting materials, different types of materials are injected into mold shells of different layers of mold plates in layers. The mold plates rotate relative to the injection pipe to fill all the mold shells on the mold plates with materials. Not only can the materials be injected in layers, but also the injection amount of each layer can be controlled. The number of mold plates is greater than the number of layers of the puffed food, so as to reserve the shaping space after puffing, thereby controlling the shape after puffing. The layered puffed food can enhance the layered taste, is different from other puffed foods, and is more attractive to customers. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural cross-sectional view of the present invention;

[0032] Figure 2 For the present invention Figure 1 Sectional view at AA in the middle;

[0033] Figure 3 For the present invention Figure 1 Sectional view at the middle BB;

[0034] Figure 4 For the present invention Figure 1 Sectional view at CC;

[0035] Figure 5 It is a structural schematic diagram of the present invention;

[0036] Figure 6 This is a schematic diagram of the structure of the present invention without the outer shell;

[0037] Figure 7 It is a structural schematic diagram of the injection pipe of the present invention;

[0038] Figure 8 It is a structural schematic diagram of the unloading assembly of the present invention;

[0039] Fig. 9 It is a structural schematic diagram of the mold assembly of the present invention;

[0040] Fig.10 It is a structural cross-sectional view of the mold assembly of the present invention;

[0041] Fig.11 It is a schematic diagram of the assembly of the mold plate and the mold shell of the present invention;

[0042] Fig.12 It is a structural cross-sectional view of the puffing assembly of the present invention;

[0043] Fig.13 It is a structural schematic diagram of the positioning assembly of the present invention;

[0044] Among them: 1-housing; 2-turntable; 3-positioning shaft; 4-chassis; 5-mold plate; 6-mold shell; 7-expanding cylinder; 8-piston plate; 9-discharging rod; 10-injection pipe; 11-main motor; 12-auxiliary motor; 13-center gear; 14-sub gear; 15-lifting platform; 16-sealing cylinder; 17-expanding cylinder; 18-discharging plate; 19-discharging cylinder; 20-external positioning rail; 21-inner positioning rail; 22-partition. DETAILED DESCRIPTION

[0045] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] The following will be combined with the drawings in the embodiments of the invention to clearly and completely describe the technical solutions in the embodiments of the invention. Obviously, the described embodiments are only part of the embodiments of the invention, not all of the embodiments. Based on the embodiments of the invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the invention.

[0047] Embodiment 1:

[0048] like Figure 1-Figure 13As shown, a puffing device for green puffed food processing comprises a shell 1 and a turntable 2, wherein the shell 1 is a cylindrical shell, the turntable 2 is coaxially rotatably arranged in the lower part of the shell 1, and a puffing station, a discharging station and a plurality of injection stations are uniformly distributed in the space above the turntable 2 in the shell 1; a plurality of mold assemblies are uniformly distributed in the circumference of the turntable 2, and the number of the mold assemblies is equal to the sum of the number of the puffing station, the discharging station and the injection station;

[0049] The mold assembly includes a positioning shaft 3, a chassis 4, a mold plate 5 and a mold shell 6. The positioning shaft 3 is vertically arranged and its lower part is rotatably arranged on the turntable 2. The chassis 4 is axially slidably sleeved on the upper part of the positioning shaft 3. A plurality of mold plates 5 are longitudinally stacked and arranged above the chassis 4. All mold plates 5 are axially slidably sleeved on the positioning shaft 3. A plurality of mold shells 6 are circumferentially evenly embedded in the mold plates 5. The number of mold plates 5 is greater than the number of injection stations. A molding hole is arranged in the middle of the mold shell 6. The upper and lower end surfaces of the mold shell 6 are respectively flush with the upper and lower end surfaces of the mold plate 5.

[0050] The puffing station of the housing 1 is provided with a puffing assembly, which includes a puffing cylinder 7 and a piston plate 8. The puffing cylinder 7 is longitudinally slidably arranged on the housing 1, and the piston plate 8 is sealingly slidably arranged in the puffing cylinder 7.

[0051] The unloading station of the housing 1 is provided with an unloading assembly, which includes an unloading rod 9. The number of the unloading rods 9 is equal to and one-to-one with the mold shells 6 on the mold plate 5. The unloading rods 9 are longitudinally slidably arranged on the housing 1.

[0052] The injection station of the outer shell 1 is provided with an injection assembly, and the injection assembly includes an injection tube 10, which is arranged transversely along the radial direction of the outer shell 1, one end of the injection tube 10 is connected to the material source, and the other end is located in the outer shell 1, and an injection hole is arranged on the lower side of the end of the injection tube 10 located in the outer shell 1, and the position of the injection hole is arranged corresponding to the position of the mold shell 6.

[0053] The mold assembly of the present invention includes a plurality of stacked mold plates 5. When injecting materials, different types of materials are injected into mold shells 6 of different layers of mold plates 5 in layers. By rotating the mold plates 5 relative to the injection pipe 10, all mold shells 6 on the mold plates 5 are filled with materials. Not only can the materials be injected in layers, but also the injection amount of each layer can be controlled. The number of mold plates 5 is greater than the number of layers of the puffed food, so as to reserve the shaping space after puffing, thereby controlling the shape after puffing. The layered puffed food can enhance the layered taste, which is different from other puffed foods, and thus is more attractive to customers.

[0054] In order to enable the turntable 2 and the mold assembly to rotate separately and all the mold assemblies to rotate synchronously, a driving assembly is also included, which includes a main motor 11, an auxiliary motor 12, a center gear 13 and a sub-gear 14. The main motor 11 is fixedly arranged at the lower part of the outer shell 1 and its output shaft is coaxially fixedly connected to the turntable 2. The center gear 13 is rotatably fitted on the output shaft of the main motor 11, and the sub-gear 14 is fixedly fitted on the positioning shaft 3. The sub-gear 14 and the center gear 13 are meshed with each other for transmission. The number of sub-gears 14 and the positioning shaft 3 are equal and they are arranged one by one. The auxiliary motor 12 is fixedly arranged below the turntable 2, and the output shaft of the auxiliary motor 12 is transmission-connected to the center gear 13.

[0055] In order to optimize the product structure, the injection pipe 10 can be extended between the two mold plates 5, and the bottom surface of the injection pipe 10 of the injection station adjacent to the unloading station is in contact with the upper surface of the mold plate 5 located at the bottom. According to the rotation direction of the turntable 2, the height of the injection pipe 10 of the rear injection station and the height of the injection pipe 10 of the front injection station are equal to the thickness of the mold plate 5.

[0056] Chamfers are arranged at both ends of the mold plate 5, and lifting platforms 15 are arranged on both sides of one end of the injection tube 10 located in the shell 1. The lower surface of the lifting platform 15 is flush with the lower surface of the injection tube 10, and the upper surface is a slope with a lower outer surface and a higher inner surface.

[0057] Blocking sensors are provided on the lower sides of the two lifting platforms 15. When the two blocking sensors are in the blocking state, the injection pipe 10 is in the open state. When the two blocking sensors are in the open state, the injection pipe 10 is in the closed state. The injection pipe 10 is in a constant pressure state when injecting material. When the corresponding mold shell 6 is filled with material, the pressure increases and the injection pipe 10 is closed.

[0058] The puffing assembly further includes a sealing cylinder 16 and a puffing cylinder 17. The fixed section and the telescopic section of the sealing cylinder 16 are respectively fixedly connected to the housing 1 and the puffing cylinder 7. The fixed section of the puffing cylinder 17 is fixedly connected to the puffing cylinder 7. The telescopic section of the puffing cylinder 17 is rotatably connected to the piston plate 8.

[0059] The sealing oil cylinder 16 drives the expanding cylinder 7 and the expanding oil cylinder 17 to rise and fall together. The lower end of the expanding cylinder 7 is pressed to the uppermost die plate 5, so that the bottom plate 4 and the lowermost die plate 5, any two adjacent die plates 5, and the lower end of the expanding cylinder 7 and the uppermost die plate 5 are all in a sealed state. The expanding oil cylinder 17 drives the piston plate 8 to rise and fall in the expanding cylinder 7. The downward movement of the piston plate 8 increases the pressure in the expanding cylinder 7, so that the material in the mold shell 6 is pressed and expanded.

[0060] In order to keep the puffing in a sealed state, sealing rings are embedded on the upper and lower surfaces of the mold shell 6. The sealing rings are coaxially arranged with the mold plate 5. The sealing rings are located outside the circle formed by the multiple mold shells 6. The sealing rings on the upper surface of the mold plate 5 at the bottom are arranged opposite to the sealing rings on the lower surface of the mold plate 5 at the top.

[0061] The upper surface of the bottom plate 4 is pressed against the sealing ring on the lower surface of the lowermost die plate 5 , and the lower end of the expansion cylinder 7 is provided with a flange folded outward laterally, and the flange is pressed against the sealing ring on the upper surface of the uppermost die plate 5 .

[0062] In order to prevent the rotating mold plate 5 from interfering with the lifting unloading rod 9 during unloading, the unloading assembly also includes a unloading plate 18 and a unloading cylinder 19. The fixed section of the unloading cylinder 19 is fixedly arranged on the outer shell 1, and the telescopic section of the unloading cylinder 19 is vertically downward. The unloading plate 18 is rotatably arranged on the telescopic section of the unloading cylinder 19, and the upper end of the unloading rod 9 is fixedly connected to the unloading plate 18. After the lower part of the unloading rod 9 is extended into the mold shell 6, the unloading plate 18 rotates with the mold plate 5.

[0063] In order to control the height position state of the chassis 4 and the mold plate 5, a positioning assembly is also included, the positioning assembly includes an outer positioning rail 20 and an inner positioning rail 21, the outer positioning rail 20 and the inner positioning rail 21 are both fixedly connected to the shell 1, the outer positioning rail 20 is arranged along the inner wall of the circumference of the shell 1, the inner positioning rail 21 is coaxially arranged with the outer positioning rail 20, and the inner and outer sides of the bottom surface of the chassis 4 are slidably attached to the inner positioning rail 21 and the outer positioning rail 20 respectively;

[0064] The section of the outer positioning rail 20 or the inner positioning rail 21 located at the puffing station and the section of the injection station are both located at the same height position, the height position of the section of the outer positioning rail 20 or the inner positioning rail 21 located at the injection station is lower than the height position of the section of the outer positioning rail 20 or the inner positioning rail 21 located at the puffing station or the injection station, and the section of the outer positioning rail 20 or the inner positioning rail 21 located at the injection station is smoothly inclined between the section of the outer positioning rail 20 or the inner positioning rail 21 located at the puffing station and the section of the outer positioning rail 20 or the inner positioning rail 21 located at the adjacent injection station;

[0065] The positioning assembly also includes a partition 22, which is laterally fixed at the unloading station of the shell 1, and the lower surface of the mold plate 5 located at the bottom is slidably attached to the upper surface of the partition 22. A unloading hole is provided in the middle of the partition 22.

[0066] In order to facilitate the rotation of the chassis 4 , the longitudinal section of the chassis 4 is an isosceles trapezoid with a larger upper portion and a smaller lower portion. The outer positioning rail 20 and the inner positioning rail 21 are correspondingly arranged on the circumferential inclined surface at the lower side of the chassis 4 .

[0067] Embodiment 2:

[0068] A green puffed food processing and puffing method comprises the following steps:

[0069] S1, one-time injection, when a mold assembly rotates to the injection station of the adjacent unloading station, the unloading pipe is pressed to the upper surface of the mold plate 5 located at the bottom, and at the same time, the unloading pipe makes all the mold plates 5 above the mold plate 5 move up, and the end of the unloading pipe extends between the two mold plates 5, and the bottom plate 4 and the mold plate 5 are rotated, and the unloading pipe injects materials into the mold shell 6 on the mold plate 5 located at the bottom in sequence;

[0070] S2, subsequent injection, when the mold assembly rotates to the subsequent unloading station, the unloading pipe is pressed to the upper surface of the mold plate 5 adjacent to the upper layer of the injected mold plate 5, and at the same time, the unloading pipe moves all the mold plates 5 above the mold plate 5 upward, and the end of the unloading pipe extends between the two mold plates 5, and the bottom plate 4 and the mold plate 5 are rotated, and the unloading pipe injects materials into the mold shell 6 on the mold plate 5 below the unloading pipe in sequence;

[0071] S3, sealed puffing. When the mold assembly rotates to the puffing position, the lower end of the puffing cylinder 7 is pressed against the mold shell 6 at the top, so that the puffing cylinder 7 is in a sealed state. The piston plate 8 moves downward to increase the pressure in the puffing cylinder 7, so that the material in the mold shell 6 is pressurized and puffed. After the puffing is completed, the puffing cylinder 7 and the piston plate 8 return to the initial state.

[0072] S4, unloading. When the mold assembly rotates to the unloading station, all mold plates 5 maintain a fixed height position, the bottom plate 4 descends, the unloading rod 9 descends and penetrates into the mold shell 6, and the unloading rod 9 returns to its initial state after the expanded material is pressed out of the mold shell 6.

[0073] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A puffing device for green puffed food processing, characterized in that: The invention comprises an outer shell (1) and a turntable (2), wherein the outer shell (1) is a cylindrical shell, and the turntable (2) is coaxially rotatably arranged in the lower part of the outer shell (1), and the space in the outer shell (1) located above the turntable (2) is uniformly distributed on the circumference of one expansion station, one unloading station and a plurality of injection stations; a plurality of mold assemblies are uniformly distributed on the circumference of the turntable (2), and the number of the mold assemblies is equal to the total number of the expansion stations, the unloading stations and the injection stations; The mold assembly comprises a positioning shaft (3), a chassis (4), a mold plate (5) and a mold shell (6); the positioning shaft (3) is vertically arranged and its lower part is rotatably arranged on the turntable (2); the chassis (4) is axially slidably sleeved on the upper part of the positioning shaft (3); a plurality of mold plates (5) are longitudinally stacked and arranged above the chassis (4); all mold plates (5) are axially slidably sleeved on the positioning shaft (3); a plurality of mold shells (6) are circumferentially uniformly embedded in the mold plate (5); the number of mold plates (5) is greater than the number of injection stations; a molding hole is arranged in the middle of the mold shell (6); and the upper and lower end surfaces of the mold shell (6) are respectively flush with the upper and lower end surfaces of the mold plate (5); The puffing station of the shell (1) is provided with a puffing assembly, the puffing assembly comprising a puffing cylinder (7) and a piston plate (8), the puffing cylinder (7) is longitudinally slidably arranged on the shell (1), and the piston plate (8) is sealingly slidably arranged in the puffing cylinder (7); The unloading station of the housing (1) is provided with a unloading assembly, the unloading assembly comprising unloading rods (9), the number of the unloading rods (9) being equal to the number of the mold shells (6) on the mold plate (5) and being arranged one-to-one, the unloading rods (9) being longitudinally slidably arranged on the housing (1); The injection station of the shell (1) is provided with an injection assembly, and the injection assembly comprises an injection pipe (10), and the injection pipe (10) is arranged transversely along the radial direction of the shell (1), one end of the injection pipe (10) is connected to the material source, and the other end is located in the shell (1), and an injection hole is arranged at the lower side of the end of the injection pipe (10) located in the shell (1), and the position of the injection hole is arranged corresponding to the position of the mold shell (6).

2. A puffing device for green puffed food processing according to claim 1, characterized in that: The invention also comprises a driving assembly, wherein the driving assembly comprises a main motor (11), an auxiliary motor (12), a central gear (13) and a sub-gear (14); the main motor (11) is fixedly arranged at the lower part of the housing (1) and its output shaft is coaxially fixedly connected to the turntable (2); the central gear (13) is rotatably sleeved on the output shaft of the main motor (11); the sub-gear (14) is fixedly sleeved on the positioning shaft (3); the sub-gear (14) and the central gear (13) are meshed and transmitted with each other; the sub-gear (14) and the positioning shaft (3) are equal in number and arranged in one-to-one correspondence; the auxiliary motor (12) is fixedly arranged below the turntable (2); the output shaft of the auxiliary motor (12) is transmission-connected to the central gear (13).

3. The puffing device for green puffed food processing according to claim 1, characterized in that: The bottom surface of the injection pipe (10) of the injection station adjacent to the unloading station is in contact with the upper surface of the mold plate (5) located at the bottom, and according to the rotation direction of the turntable (2), the height of the injection pipe (10) of the rear injection station and the height of the injection pipe (10) of the front injection station are equal to the thickness of the mold plate (5).

4. The puffing device for green puffed food processing according to claim 3, characterized in that: The mold plate (5) is provided with chamfers at both upper and lower ends of its circumference, and lifting platforms (15) are provided on both sides of one end of the injection tube (10) located in the shell (1), and the lower surface of the lifting platform (15) is flush with the lower surface of the injection tube (10), and the upper surface is a slope that is lower on the outside and higher on the inside.

5. The puffing device for green puffed food processing according to claim 1, characterized in that: The puffing assembly further comprises a sealing oil cylinder (16) and a puffing oil cylinder (17); the fixed section and the telescopic section of the sealing oil cylinder (16) are respectively fixedly connected to the outer shell (1) and the puffing cylinder (7); the fixed section of the puffing oil cylinder (17) is fixedly connected to the puffing cylinder (7), and the telescopic section of the puffing oil cylinder (17) is rotatably connected to the piston plate (8); The sealing oil cylinder (16) drives the expanding cylinder (7) and the expanding oil cylinder (17) to rise and fall together, and the lower end of the expanding cylinder (7) is pressed to the uppermost die plate (5), so that the bottom plate (4) and the lowermost die plate (5), any two adjacent die plates (5), and the lower end of the expanding cylinder (7) and the uppermost die plate (5) are all in a sealed state. The expanding oil cylinder (17) drives the piston plate (8) to rise and fall in the expanding cylinder (7). The downward movement of the piston plate (8) increases the pressure in the expanding cylinder (7), so that the material in the mold shell (6) is compressed and expanded.

6. The puffing device for green puffed food processing according to claim 5, characterized in that: The upper and lower surfaces of the mold shell (6) are both embedded with sealing rings, the sealing rings are coaxially arranged with the mold plate (5), the sealing rings are located on the outer side of the circle formed by the plurality of mold shells (6), and the sealing rings on the upper surface of the mold plate (5) located at the bottom are arranged opposite to the sealing rings on the lower surface of the mold plate (5) located at the top; The upper surface of the bottom plate (4) is pressed against the sealing ring on the lower surface of the lowermost die plate (5), and the lower end of the puffing cylinder (7) is provided with a flange folded outward laterally, and the flange is pressed against the sealing ring on the upper surface of the uppermost die plate (5).

7. The puffing device for green puffed food processing according to claim 1, characterized in that: The unloading assembly also includes a unloading plate (18) and a unloading cylinder (19); the fixed section of the unloading cylinder (19) is fixedly arranged on the outer shell (1); the telescopic section of the unloading cylinder (19) is vertically downward; the unloading plate (18) is rotatably arranged on the telescopic section of the unloading cylinder (19); the upper end of the unloading rod (9) is fixedly connected to the unloading plate (18); after the lower part of the unloading rod (9) is extended into the mold shell (6), the unloading plate (18) rotates with the mold plate (5).

8. The puffing device for green puffed food processing according to claim 1, characterized in that: It also includes a positioning assembly, the positioning assembly including an outer positioning rail (20) and an inner positioning rail (21), the outer positioning rail (20) and the inner positioning rail (21) are both fixedly connected to the outer shell (1), the outer positioning rail (20) is arranged along the circumferential inner wall of the outer shell (1), the inner positioning rail (21) and the outer positioning rail (20) are coaxially arranged, and the inner and outer sides of the bottom surface of the chassis (4) are slidably fitted to the inner positioning rail (21) and the outer positioning rail (20) respectively; The section of the outer positioning rail (20) or the inner positioning rail (21) located at the puffing station and the section of the injection station are both located at the same height position, the height position of the section of the outer positioning rail (20) or the inner positioning rail (21) located at the injection station is lower than the height position of the section of the outer positioning rail (20) or the inner positioning rail (21) located at the puffing station or the injection station, and the section of the outer positioning rail (20) or the inner positioning rail (21) located at the injection station is smoothly inclined between the section of the outer positioning rail (20) or the inner positioning rail (21) located at the puffing station and the section of the outer positioning rail (20) or the inner positioning rail (21) located at the adjacent injection station; The positioning assembly also includes a partition (22), which is laterally fixedly arranged at the unloading station of the shell (1), and the lower surface of the mold plate (5) located at the bottom is slidably fitted on the upper surface of the partition (22), and a unloading hole is arranged in the middle of the partition (22).

9. The puffing device for green puffed food processing according to claim 8, characterized in that: The longitudinal section of the chassis (4) is an isosceles trapezoid that is larger at the top and smaller at the bottom. The outer positioning rail (20) and the inner positioning rail (21) are correspondingly arranged on the circumferential inclined surface at the bottom of the chassis (4).

10. A green puffed food processing and puffing method, characterized in that: The following steps are involved: S1, one-time injection, when a mold assembly rotates to the injection station of the adjacent unloading station, the unloading pipe is pressed to the upper surface of the mold plate (5) located at the bottom, and at the same time, the unloading pipe causes all the mold plates (5) above the mold plate (5) to move upward, and the end of the unloading pipe extends between the two mold plates (5), and the bottom plate (4) and the mold plate (5) are rotated, and the unloading pipe injects materials into the mold shell (6) on the mold plate (5) located at the bottom in sequence; S2, subsequent injection, when the mold assembly rotates to the subsequent unloading station, the unloading pipe is pressed onto the upper surface of the mold plate (5) adjacent to the upper layer of the injected mold plate (5), and at the same time, the unloading pipe causes all the mold plates (5) above the mold plate (5) to move upward, and the end of the unloading pipe extends between the two mold plates (5), and the bottom plate (4) and the mold plate (5) are rotated, and the unloading pipe injects materials into the mold shell (6) on the mold plate (5) below the unloading pipe in sequence; S3, sealed puffing, when the mold assembly rotates to the puffing position, the lower end of the puffing cylinder (7) is pressed against the mold shell (6) located at the top, so that the puffing cylinder (7) is in a sealed state, and the piston plate (8) moves downward to increase the pressure in the puffing cylinder (7), so that the material in the mold shell (6) is pressed and puffed, and after the puffing is completed, the puffing cylinder (7) and the piston plate (8) return to their initial state; S4, unloading. When the mold assembly rotates to the unloading position, all mold plates (5) maintain a fixed height position, the bottom plate (4) descends, and the unloading rod (9) descends and penetrates into the mold shell (6). After the expanded material is pressed out of the mold shell (6), the unloading rod (9) returns to its initial state.

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