A hollow pet food production and forming device and its use method

Abstract

The present invention relates to the technical field of food grain production devices, and specifically to a hollow pet food grain production and molding device, comprising a driving part, a molding part, a material box and a control module, wherein the control module is used to execute commands to the driving part and the molding part, the driving part is connected to the top of the molding part, the material box is arranged on the lower side of the molding part, and the number of the material boxes is not less than 2. The molding part is driven to move by the driving part, and the pet food slurry is sucked, heated, molded and demolded by the molding part, so as to facilitate the production of thin-walled hollow pet food, reduce the cutting process of the molded pet food, reduce the loss of pet food such as breakage, and improve the product yield.

Description

Technical Field

[0001] The invention relates to the technical field of ration production devices, and in particular to a hollow pet ration production and molding device and a use method thereof. Background Art

[0002] Currently, keeping pets has become a popular lifestyle today. With the upgrading of consumption, pet owners have higher and higher requirements for pet food. High-quality, high-value and comprehensive pet food is very popular among people.

[0003] Traditional pet food is mostly in granular form, which is not convenient for sandwich operations. The shape of pet food is simple, and the chewing pleasure of pets is not good. In addition, the drying efficiency of granular food is low in the actual production process, and it is easy to dry unevenly inside and outside, which affects the qualified rate of pet food.

[0004] Generally, hollow pet food production equipment is used for cutting after extrusion. The cutting process can easily cause hollow collapse and breakage of the pet food, resulting in large production losses of pet food.

[0005] The technical problem to be solved by the present invention is: to design a hollow pet food production and molding device and a method of using the same, so as to facilitate the production of hollow pet food, reduce the occurrence of rupture and collapse during the production of hollow and thin-walled pet food, and reduce production losses. Summary of the invention

[0006] In order to solve the above problems, the present invention provides a hollow pet food production and molding device and a use method thereof.

[0007] The technical solution adopted by the present invention to solve its technical problems is: a hollow pet food production and molding device, including a driving part, a molding part, a material box and a control module, the control module is used to execute commands to the driving part and the molding part, the driving part is connected to the top of the molding part, the material box is arranged on the lower side of the molding part, and the number of the material boxes is not less than 2.

[0008] As an optimization, the material box includes a slurry box and a molding material box, the slurry box and the molding material box are arranged in a circular array along the axis of the driving part, and the top of the material box is open.

[0009] As an optimization, the driving part includes a fixed seat, a first lifting component and a driving motor, the first lifting component includes a first lifting motor and a first lifting screw, the housing of the first lifting motor is fixedly connected to the fixed seat, the first lifting screw is fixedly connected to the output shaft of the first lifting motor, the first lifting screw is connected to a lifting platform, and the driving motor is fixedly connected to the lifting platform.

[0010] As an optimization, the lower end of the output shaft of the driving motor is connected to an L-shaped connecting arm, and the molded part is connected to the lower end of the L-shaped connecting arm.

[0011] As an optimization, the molding part includes a fixing frame and a plurality of molding components connected to the lower side of the fixing frame, the fixing frame is grid-shaped, a connecting plate is provided on the upper side of the molding component, the connecting plate is provided on the lower side of the fixing frame, and a second lifting component is connected between the molding component and the connecting plate;

[0012] The second lifting assembly includes a second lifting motor and a second lifting screw, the second lifting screw is fixedly connected to the output shaft of the second lifting motor, the second lifting motor is fixedly connected to the top of the forming assembly, the second lifting screw is threadedly connected to the connecting plate, a limiting rod is fixed to the top of the lifting assembly, the limiting rod is slidably connected to the connecting plate, and the upper end of the second lifting screw and the upper end of the limiting rod are rotatably connected to the fixed frame.

[0013] As an optimization, the molding assembly includes a molding shell, a molding inner cavity and a molding plug rod, the shell of the second lifting motor is fixedly connected to the top of the molding shell, the molding inner cavity is detachably connected to the inside of the molding shell, a closing plate is provided at the bottom of the molding inner cavity, the upper end of the molding plug rod is detachably connected to the connecting plate, the lower end of the molding plug rod is connected to a sealing piston, the sealing piston is slidably connected to the inner side of the molding inner cavity, a vertical limiting column is provided in the axial direction of the molding inner cavity, the sealing piston is slidably connected to the limiting column, and the molding plug rod is slidably connected to the outer side of the limiting column;

[0014] Heating plates are arranged inside the shell of the molding cavity, inside the sealing piston, inside the limiting column and inside the closing plate;

[0015] A spring shaft is connected to the bottom of the molded shell on one side of the closing plate, a connecting magnet is arranged on the other side of the closing plate, and an electromagnet is arranged at the bottom of the molded shell. The electromagnet is arranged opposite to the connecting magnet.

[0016] As an optimization, an annular channel is provided between the limiting column and the inside of the forming inner cavity, the forming plug rod is hollow, the forming plug rod is arranged through the annular channel, a connecting groove is provided in the length direction of the forming plug rod, a connecting rod is provided on the top of the limiting column, and the connecting rod is slidably connected in the connecting groove;

[0017] The lower end of the limiting column is connected with a cleaning component, and a cylindrical feed hole is provided in the axial direction of the closing plate. The cleaning component is arranged inside the feed hole, and the diameter of the feed hole is larger than the outer diameter of the cleaning component.

[0018] As an optimization, the cleaning assembly includes a cylindrical cleaning roller, a cleaning motor is provided inside the limiting column, the output shaft of the cleaning motor is vertically downwardly connected to the axial direction of the cleaning roller, and a plurality of spiral cleaning blades are evenly provided on the circumferential side of the cleaning roller, and the width of the cleaning blades is smaller than the distance between the cleaning roller and the inner wall of the feed hole.

[0019] A hollow pet food production and forming device and a method for using the same include the following steps:

[0020] A1. Slurry preparation: Pour the mixed pet food into the slurry box for later use;

[0021] A2. Preparation of the molding part: The controller controls the second lifting motor to operate, the second lifting motor drives the connecting plate downward, the connecting plate drives the molding plug rod downward, and the sealing piston moves downward along the inner wall of the molding cavity to the inner bottom of the molding cavity;

[0022] A3. Suction of the molding part: The controller controls the operation of the first lifting motor, which drives the first lifting screw to rotate, driving the molding part to descend until the bottom of the molding part is submerged below the liquid level of the slurry box. The controller controls the operation of the second lifting motor, which drives the molding plug rod and the sealing piston upward, and sucks the slurry into the molding cavity through the feed hole;

[0023] A4. Heating and molding: The slurry inside the molding cavity is heated by a heating plate to heat the pet food slurry;

[0024] A5. Reset of the forming part: The controller controls the first lifting motor to operate, and drives the forming part upward through the first lifting motor, so that the forming part leaves the slurry box;

[0025] A6. Demolding: The controller controls the driving motor to rotate, and the driving motor drives the molding part to rotate until the molding part is located on the upper side of the molding material box, and the pet food is demolded;

[0026] A7. Packaging: The hollow pet food obtained in step A6 can be packaged.

[0027] As an optimization, in step A6, the demoulding operation specifically includes the following steps:

[0028] B1. The controller controls the direction of the current connected to the electromagnet to reverse, and the electromagnet repels the connected magnet;

[0029] B2. The second lifting motor is running, and the second lifting motor drives the connecting plate, the forming plug rod and the sealing piston downward, and pushes the hollow pet food downward through the sealing piston until the hollow pet food is separated from the forming cavity;

[0030] B3. The controller controls the electromagnet to reverse the direction of the current. Under the action of the spring shaft, the closing plate rotates upward to a horizontal state;

[0031] B4. The controller controls the operation of the cleaning motor, which drives the cleaning roller to rotate, and the material inside the feed hole is cleaned by the cleaning roller.

[0032] The beneficial effect of this solution is that a hollow pet food production and molding device has the following advantages:

[0033] The driving part drives the forming part to move, and the forming part sucks, heats, forms and demolds the pet food slurry, which is convenient for producing thin-walled hollow pet food, reduces the cutting process of formed pet food, reduces the loss of pet food such as breakage, and improves the product yield;

[0034] The lower side of the driving part can be connected to multiple forming parts to operate simultaneously, which can greatly improve the production efficiency of hollow pet food and increase the production capacity of the equipment;

[0035] The inner cavity of the molding, the limiting column, the sealing piston and the closing plate are all equipped with heating plates, which can greatly improve the drying efficiency of the pet food, prevent the inconsistency of the drying inside and outside during the production process of the pet food, and improve the qualified rate of the pet food;

[0036] By controlling and using the above-mentioned molding device through the usage method of this case, thin-walled and hollow-shaped rations can be produced conveniently and efficiently, and hollow rations can be efficiently molded and dried conveniently, thereby avoiding cutting, drying and other operations after the pet rations are molded, greatly improving the production efficiency of thin-walled and hollow-shaped rations and reducing production losses. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Attached Figure 1 It is an axial schematic diagram of the present invention.

[0038] Attached Figure 2 This is a schematic axial view of the molding portion of the fixing frame omitted in the present invention.

[0039] Attached Figure 3 This is a schematic diagram of the bottom axial side of the molding part of the fixing frame omitted in the present invention.

[0040] Attached Figure 4 This is a schematic front view of the molding part of the fixing frame omitted in the present invention.

[0041] Attached Figure 5 The present invention is attached Figure 4 Schematic diagram of the AA section structure.

[0042] Attached Figure 6 The present invention is attached Figure 4 AA section axial schematic diagram.

[0043] Attached Figure 7 It is a schematic axial view of the molding assembly of the present invention.

[0044] Attached Figure 8 It is a schematic axial view of the cleaning assembly of the present invention.

[0045] Among them, 1. slurry box, 2. molding material box, 3. fixed seat, 4. first lifting motor, 5. first lifting screw, 6. driving motor, 7. lifting platform, 8. L-shaped connecting arm, 9. fixed frame, 10. connecting plate, 11. second lifting motor, 12. second lifting screw, 13. limiting rod, 14. molding shell, 15. molding inner cavity, 16. molding plug rod, 17. sealing piston, 18. limiting column, 19. heating plate, 20. electromagnet, 21. connecting groove, 22. closing plate, 23. feeding hole, 24. cleaning motor, 25. sorting roller, 26. cleaning blade. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0047] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0048] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0049] like Figure 1As shown, a hollow pet food production and molding device includes a driving part, a molding part, a material box and a control module, wherein the control module is used to execute commands to the driving part and the molding part, the driving part is connected to the top of the molding part, the material box is arranged on the lower side of the molding part, and the number of the material boxes is not less than 2.

[0050] like Figure 1 As shown, the material box includes a slurry box 1 and a molding material box 2. The slurry box 1 and the molding material box 2 are arranged in a circular array along the axis of the driving part, and the top of the material box is open.

[0051] like Figure 1 As shown, the driving part includes a fixed seat 3, a first lifting component and a driving motor 6. The first lifting component includes a first lifting motor 4 and a first lifting screw 5. The housing of the first lifting motor 4 is fixedly connected to the fixed seat 3. The first lifting screw 5 is fixedly connected to the output shaft of the first lifting motor 4. A lifting platform 7 is connected to the first lifting screw 5. The driving motor 6 is fixedly connected to the lifting platform 7.

[0052] like Figure 1 As shown, the lower end of the output shaft of the driving motor 6 is connected to an L-shaped connecting arm 8, and the molded part is connected to the lower end of the L-shaped connecting arm 8.

[0053] like Figure 1 As shown, the molding part includes a fixing frame 9 and a plurality of molding components connected to the lower side of the fixing frame 9, the fixing frame 9 is grid-shaped, a connecting plate 10 is provided on the upper side of the molding component, the connecting plate 10 is provided on the lower side of the fixing frame 9, and a second lifting component is connected between the molding component and the connecting plate 10;

[0054] like Figure 1 As shown, the second lifting assembly includes a second lifting motor 11 and a second lifting screw 12, the second lifting screw 12 is fixedly connected to the output shaft of the second lifting motor 11, the second lifting motor 11 is fixedly connected to the top of the forming assembly, the second lifting screw 12 is threadedly connected to the connecting plate 10, a limiting rod 13 is fixed to the top of the lifting assembly, the limiting rod 13 is slidably connected to the connecting plate 10, and the upper end of the second lifting screw 12 and the upper end of the limiting rod 13 are rotatably connected to the fixed frame 9.

[0055] like Figure 2 , 5As shown, the molding assembly includes a molding shell 14, a molding cavity 15 and a molding plug rod 16, the shell of the second lifting motor 11 is fixedly connected to the top of the molding shell 14, the molding cavity 15 is detachably connected to the inside of the molding shell 14, and a closing plate 22 is provided at the bottom of the molding cavity 15. The upper end of the molding plug rod 16 is detachably connected to the connecting plate 10, and the lower end of the molding plug rod 16 is connected to a sealing piston 17, and the sealing piston 17 is slidably connected to the inner side of the molding cavity 15. A vertical limiting column 18 is provided in the axial direction of the molding cavity 15, and the sealing piston 17 is slidably connected to the limiting column 18, and the molding plug rod 16 is slidably connected to the outer side of the limiting column 18;

[0056] like Figure 3 , 5 As shown, a heating plate 19 is provided inside the outer shell of the molding cavity 15, inside the sealing piston 17, inside the limiting column 18 and inside the closing plate 22;

[0057] like Figure 3 , 5 As shown, one side of the closing plate 22 is connected to the bottom of the molded shell 14 with a spring shaft, the other side of the closing plate 22 is provided with a connecting magnet, and the bottom of the molded shell 14 is provided with an electromagnet 20, and the electromagnet 20 is arranged opposite to the connecting magnet.

[0058] like Figure 5 As shown, an annular channel is provided between the limiting column 18 and the inside of the forming inner cavity 15, the forming plug rod 16 is hollow, and the forming plug rod 16 is arranged through the annular channel, a connecting groove 21 is provided in the length direction of the forming plug rod 16, and a connecting rod is provided on the top of the limiting column 18, and the connecting rod is slidably connected in the connecting groove 21;

[0059] like Figure 6 As shown, the lower end of the limiting column 18 is connected to a cleaning assembly, and a cylindrical feed hole 23 is provided in the axial direction of the closing plate 22. The cleaning assembly is arranged inside the feed hole 23, and the diameter of the feed hole 23 is larger than the outer diameter of the cleaning assembly.

[0060] like Figure 6 , 8 As shown, the cleaning assembly includes a cylindrical cleaning roller 25, a cleaning motor 24 is provided inside the limiting column 18, the output shaft of the cleaning motor 24 is vertically downwardly connected to the axial direction of the cleaning roller 25, and a plurality of spiral cleaning blades 26 are evenly provided on the circumferential side of the cleaning roller 25, and the width of the cleaning blade 26 is smaller than the distance between the cleaning roller 25 and the inner wall of the feed hole 23.

[0061] The control module in this case includes a controller, and the position of the controller is set by the staff according to the actual situation during operation. The controller is used to control the electrical devices used in this solution, including but not limited to sensors, motors, telescopic rods, water pumps, solenoid valves, heating wires, heat pumps, display screens, computer input devices, switch buttons, communication equipment, lights, speakers and microphones; the controller is an Intel processor, an AMD processor, a PLC controller, an ARM processor or a single-chip microcomputer, and the supporting motherboard, memory stick, storage medium and power supply are also used therewith, and the power supply is AC or lithium battery; when a display screen is provided, a display card is also provided; for the operating principle of the controller, please refer to "Principles of Automatic Control", "Principles of Microcontrollers and Application Simulation Cases" and "Principles and Applications of Sensors" published by Tsinghua University Press, and other books in the field can be used for reference; other automatic controls and electrical devices not mentioned are all knowledge well known to those skilled in the art and will not be repeated here.

[0062] A method for using a hollow pet food production and molding device, comprising any one of the hollow pet food production and molding devices described above, characterized in that it comprises the following steps:

[0063] A1. Slurry preparation: inject the mixed pet food into the slurry box 1 for standby use;

[0064] A2. Preparation of the molding part: The controller controls the second lifting motor 11 to operate, the second lifting motor 11 drives the connecting plate 10 downward, the connecting plate 10 drives the molding plug rod 16 downward, and the sealing piston 17 moves downward along the inner wall of the molding cavity 15 to the inner bottom of the molding cavity 15;

[0065] A3. Suction of material in the molding part: The controller controls the first lifting motor 4 to operate, and the first lifting motor 4 drives the first lifting screw 5 to rotate, driving the molding part to descend until the bottom of the molding part is submerged below the liquid level of the slurry box 1. The controller controls the second lifting motor 11 to operate, and the second lifting motor 11 drives the molding plug rod 16 and the sealing piston 17 upward to suck the slurry into the molding inner cavity 15 through the feed hole 23;

[0066] A4. Heating and molding: The slurry inside the molding cavity 15 is heated by the heating plate 19 to heat the pet food slurry;

[0067] A5. Reset of the forming part: The controller controls the first lifting motor 4 to operate, and drives the forming part upward through the first lifting motor 4, so that the forming part leaves the slurry box 1;

[0068] A6. Demolding: The controller controls the drive motor 6 to rotate, and the drive motor 6 drives the molding part to rotate until the molding part is located on the upper side of the molding material box 2, and the pet food is demolded;

[0069] A7. Packaging: The hollow pet food obtained in step A6 can be packaged.

[0070] In step A6, the demoulding operation specifically includes the following steps:

[0071] B1. The controller controls the electromagnet 20 to reverse the direction of the current, and the electromagnet 20 repels the connected magnets;

[0072] B2. The second lifting motor 11 is running, and the second lifting motor 11 drives the connecting plate 10, the forming plug rod 16 and the sealing piston 17 downward, and pushes the hollow pet food downward through the sealing piston 17 until the hollow pet food is separated from the forming cavity 15;

[0073] B3. The controller controls the electromagnet 20 to reverse the direction of the current, and under the action of the spring shaft, the closing plate 22 rotates upward to a horizontal state;

[0074] B4. The controller controls the cleaning motor 24 to operate, and the cleaning motor 24 drives the cleaning roller 25 to rotate, and the cleaning roller 25 cleans the material inside the feed hole 23.

[0075] The above-mentioned specific embodiments are only specific cases of the present invention. The patent protection scope of the present invention includes but is not limited to the product form and style of the above-mentioned specific embodiments. Any hollow pet food production and molding device and its use method that conform to the claims of the present invention and any appropriate changes or modifications made thereto by ordinary technicians in the corresponding technical field shall fall within the patent protection scope of the present invention.

Claims

1. A hollow pet food production and molding device, comprising a driving part, a molding part, a material box and a control module, characterized in that: The control module is used to execute commands to the driving part and the forming part, the driving part is connected to the top of the forming part, the material box is arranged at the bottom of the forming part, and the number of the material boxes is not less than 2; The molding part comprises a fixing frame (9) and a plurality of molding components connected to the lower side of the fixing frame (9); the fixing frame (9) is in a grid shape; a connecting plate (10) is provided on the upper side of the molding components; the connecting plate (10) is provided on the lower side of the fixing frame (9); a second lifting component is connected between the molding components and the connecting plate (10); The second lifting assembly comprises a second lifting motor (11) and a second lifting screw (12), the second lifting screw (12) being fixedly connected to the output shaft of the second lifting motor (11), the second lifting motor (11) being fixedly connected to the top of the molding assembly, the second lifting screw (12) being threadedly connected to the connecting plate (10), a limiting rod (13) being fixed to the top of the lifting assembly, the limiting rod (13) being slidably connected to the connecting plate (10), the upper end of the second lifting screw (12) and the upper end of the limiting rod (13) being rotatably connected to the fixing frame (9); The molding assembly comprises a molding shell (14), a molding inner cavity (15) and a molding plug rod (16); the shell of the second lifting motor (11) is fixedly connected to the top of the molding shell (14); the molding inner cavity (15) is detachably connected to the inside of the molding shell (14); a closing plate (22) is provided at the bottom of the molding inner cavity (15); the upper end of the molding plug rod (16) is detachably connected to the connecting plate (10); the lower end of the molding plug rod (16) is connected to a sealing piston (17); the sealing piston (17) is slidably connected to the inner side of the molding inner cavity (15); a vertical limiting column (18) is provided in the axial direction of the molding inner cavity (15); the sealing piston (17) is slidably connected to the limiting column (18); and the molding plug rod (16) is slidably connected to the outer side of the limiting column (18); A heating plate (19) is provided inside the outer shell of the molding cavity (15), inside the sealing piston (17), inside the limiting column (18) and inside the closing plate (22); One side of the closing plate (22) is connected to the bottom of the molded shell (14) with a spring shaft, the other side of the closing plate (22) is provided with a connecting magnet, the bottom of the molded shell (14) is provided with an electromagnet (20), and the electromagnet (20) is arranged opposite to the connecting magnet.

2. A hollow pet food production and forming device according to claim 1, characterized in that: The material box comprises a slurry box (1) and a molding material box (2). The slurry box (1) and the molding material box (2) are arranged in a circular array along the axis of the driving part, and the top of the material box is open.

3. The hollow pet food production and forming device according to claim 1, characterized in that: The driving part comprises a fixed seat (3), a first lifting component and a driving motor (6); the first lifting component comprises a first lifting motor (4) and a first lifting screw (5); the housing of the first lifting motor (4) is fixedly connected to the fixed seat (3); the first lifting screw (5) is fixedly connected to the output shaft of the first lifting motor (4); the first lifting screw (5) is connected to a lifting platform (7); and the driving motor (6) is fixedly connected to the lifting platform (7).

4. A hollow pet food production and forming device according to claim 3, characterized in that: The lower end of the output shaft of the driving motor (6) is connected to an L-shaped connecting arm (8), and the molded part is connected to the lower end of the L-shaped connecting arm (8).

5. The hollow pet food production and forming device according to claim 1, characterized in that: An annular channel is provided between the limiting column (18) and the interior of the forming inner cavity (15); the forming plug rod (16) is hollow and is arranged through the annular channel; a connecting groove (21) is provided in the length direction of the forming plug rod (16); a connecting rod is provided at the top of the limiting column (18), and the connecting rod is slidably connected in the connecting groove (21); The lower end of the limiting column (18) is connected to a cleaning assembly, a cylindrical feed hole (23) is provided in the axial direction of the closing plate (22), the cleaning assembly is arranged inside the feed hole (23), and the diameter of the feed hole (23) is larger than the outer diameter of the cleaning assembly.

6. The hollow pet food production and forming device according to claim 5, characterized in that: The cleaning assembly comprises a cylindrical cleaning roller (25), a cleaning motor (24) is arranged inside the limiting column (18), the output shaft of the cleaning motor (24) is vertically downwardly connected to the axial direction of the cleaning roller (25), and a plurality of spiral cleaning blades (26) are evenly arranged on the circumferential side surface of the cleaning roller (25), and the width of the cleaning blade (26) is smaller than the distance between the cleaning roller (25) and the inner wall of the feed hole (23).

7. A method for using a hollow pet food production and molding device, comprising the hollow pet food production and molding device according to any one of claims 1 to 6, characterized in that: The steps include: A1. Slurry preparation: Pour the mixed pet food into the feed box for later use; A2. Forming part preparation: control the reset of the driving part and the forming part through the control module; A3. Molding part suction: The control module controls the molding part to suck the slurry into the molding part; A4. Heating and forming: The internal slurry is heated and solidified through the forming part; A5. Reset of the molding part: The control module controls the driving part and the molding part to reset, so that the molding part leaves the material box; A6. Demolding: The control module controls the molding part to demold, so that the molded hollow pet food falls into another material box; A7. Packaging: The hollow pet food obtained in step A6 can be packaged.

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