A meatball forming device

Abstract

This application provides a meatball forming device, relating to the field of food processing technology. It includes: a first hemispherical shell with an inlet and a partition; a second hemispherical shell forming an openable and closable hollow sphere with the first hemispherical shell; the inner wall of a third hemispherical shell capable of sliding and sealing contact with the outer wall of either the first or second hemispherical shell; the upper part of the third hemispherical shell having a connecting port connected to a feeding mechanism, the connecting port being aligned and connected to the inlet; an arc-shaped groove on the inner wall of the third hemispherical shell, with the partition sliding and sealingly engaging with the arc-shaped groove, the partition dividing the arc-shaped groove into a first air chamber and a second air chamber; the first air chamber being connected to a first air hole, and the second air chamber being connected to a second air hole; the first and second air holes being connectable to or disconnectable from an air source. By utilizing the relative movement of the first and third hemispherical shells, the meatball inside the hollow sphere is cut from the meat paste in the connecting port, thus making the shape of the meatball closer to a sphere and effectively solving the "tail" problem.

Description

Technical Field

[0001] This invention relates to the field of food processing technology, and in particular to a meatball forming device. Background Technology

[0002] The process of making meatballs involves grinding the raw materials into meat paste, beating the meat paste into a paste, adding ingredients (starch and seasonings), shaping (into spherical shapes), cooking and setting, quick-freezing, and packaging.

[0003] Chinese patent document with publication number 222737139U discloses a fish ball forming and shaping device. Although it can achieve good forming and shaping effects, no cutting-off component is provided between the inlet of the first hemispherical shell and the moving tube. When the first hemispherical shell is moved upward to demold, the surface of the formed meatball is easily adhered with meat paste from the lower part of the moving tube, forming a long "tail" on the meatball. There is still room for further improvement in the forming effect. Summary of the Invention

[0004] In view of the above situation, the present invention provides a meatball forming device, which aims to solve the technical problem in the prior art that there is no cutting-off component between the inlet of the first hemispherical shell and the moving tube, and when the first hemispherical shell is moved up to demold, the surface of the formed meatball is easily adhered with meat paste from the lower part of the moving tube, forming a long "tail" on the meatball.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] This invention provides a meatball forming device, comprising a feeding mechanism, a forming mechanism, and a shaping mechanism arranged sequentially from top to bottom. Meat paste is first extruded by the feeding mechanism into the forming mechanism to form spheres, and then cooked and shaped by the shaping mechanism. The forming mechanism includes:

[0007] The first hemispherical shell is equipped with a feed inlet and a partition.

[0008] The second hemispherical shell, together with the first hemispherical shell, forms a hollow sphere that can be opened and closed;

[0009] The inner wall of the third hemisphere can slide and seal against the outer wall of the first hemisphere or the outer wall of the second hemisphere. The upper part of the third hemisphere has a communication port connected to the feeding mechanism, and the communication port can be aligned and connected with the feed port.

[0010] The inner wall of the third hemispherical shell has arc-shaped grooves extending vertically at both ends. A partition slides and seals with the arc-shaped grooves, dividing the arc-shaped grooves into independent first and second air chambers. The first air chamber is connected to an openable and closable first air hole, and the second air chamber is connected to an openable and closable second air hole. The first and second air holes can be connected to or disconnected from a gas source, which is used to output gas with a predetermined temperature.

[0011] In some embodiments of the present invention, the shaping mechanism includes a curing tank with a heating function.

[0012] In some embodiments of the present invention, a first support rod is provided on the first hemispherical shell, the first support rod and the partition are located on the same side of the first hemispherical shell and are respectively provided near the edges of opposite ends of the first hemispherical shell; a second support rod is provided on the second hemispherical shell, the second support rod and the first support rod are rotatably connected by a rotating shaft; an elastic reset member is connected between the second support rod and the first support rod.

[0013] In some embodiments of the present invention, the elastic reset element includes a torsion spring.

[0014] In some embodiments of the invention, the upper part of the third hemispherical shell also has a push rod, which is used to block the second support rod from opening the hollow sphere when the hollow sphere rotates clockwise.

[0015] In some embodiments of the present invention, it further includes:

[0016] The first air intake pipe has one end connected to the outlet of the air source and the other end connected to the first air hole. The first air intake pipe is equipped with a first air intake valve.

[0017] The second air intake pipe is connected to the outlet of the air source at one end and to the second air hole at the other end. A second air intake valve is installed on the second air intake pipe.

[0018] The gas storage chamber is located inside the third hemispherical shell and is connected to a pressure relief valve;

[0019] The first exhaust pipe is connected to the first intake pipe at one end and to the air storage chamber at the other end, and a first exhaust valve is provided on the first exhaust pipe.

[0020] The second exhaust pipe is connected to the second intake pipe at one end and to the air storage chamber at the other end. A second exhaust valve is installed on the second exhaust pipe.

[0021] In some embodiments of the present invention, the feeding mechanism includes:

[0022] Material box, used to hold minced meat;

[0023] The upper end of the feeding pipe is connected to the bottom of the material box, and the lower end is connected to the connecting port.

[0024] The push plate is vertically movable inside the material box.

[0025] In some embodiments of the present invention, a feeding cylinder is connected above the push plate.

[0026] In some embodiments of the present invention, a pressure sensor is also included, which is disposed between the movable end of the feeding cylinder and the push plate.

[0027] In some embodiments of the present invention, a controller is also included, wherein the input terminal of the controller is communicatively connected to the output terminal of the pressure sensor, and the output terminal of the controller is communicatively connected to the control terminals of the first intake valve, the second intake valve, the first exhaust valve, the second exhaust valve, and the first exhaust valve.

[0028] The embodiments of the present invention have at least the following advantages or beneficial effects:

[0029] 1. In the initial state, the connecting port and the feeding port are aligned and connected. The second hemisphere and the first hemisphere are joined together to form a hollow sphere. Under the extrusion of the push plate of the feeding mechanism, the meat paste enters the hollow sphere through the feeding pipe, the connecting port, and the feeding port, becoming a dense sphere or ball, thus forming the meatball. After the meatball is formed, the second vent is connected to the air source, the first vent is opened and disconnected from the air source, and the partition drives the first hemisphere and the second hemisphere to rotate counterclockwise together under the drive of the gas, so that the feeding port and the connecting port are misaligned. The relative movement of the first hemisphere and the third hemisphere cuts and separates the meatball in the hollow sphere from the meat paste in the connecting port, so that the shape of the meatball is closer to a sphere, effectively solving the "tail" problem mentioned in the background technology.

[0030] 2. After the meatball inside the hollow sphere is cut and separated from the meat paste in the connecting opening by the relative movement of the first and third hemispheres, the first air hole can be connected to the air source, and the second air hole can be opened and disconnected from the air source. The partition can be driven by the gas to rotate the first and second hemispheres clockwise together, so that the second and third hemispheres are completely separated. After the second and third hemispheres are completely separated, the first and second hemispheres can be opened like a mouth, and the meatball can be naturally demolded under its own weight and fall into the shaping mechanism to be cooked and shaped.

[0031] 3. Considering that there may be adhesion between the surface of the meatball and the inner wall of the second hemisphere, after the first hemisphere and the second hemisphere are opened into place by filling the first air chamber with gas, the feed port can be connected to the first air chamber, and the air pressure in the first air chamber can be appropriately increased. The meatball can be blown out by the gas in the first air chamber while maintaining the shape of the meatball as much as possible. That is, by using the weight of the meatball and the gas used to drive the first and second hemispheres to rotate and open, the shape of the meatball can be avoided while ensuring smooth demolding.

[0032] 4. After the meatball is formed but before demolding, a high-temperature gas can be introduced into the first air chamber through the first air hole to heat the third hemispherical shell. This allows multiple parts of the meatball to conduct heat to the third hemispherical shell while the first and second hemispherical shells are rotated clockwise / counterclockwise, thus briefly heating multiple parts of the meatball and pre-shaping the surface of the meatball. This prevents the meatball from deforming due to impact when it falls into the shaping mechanism.

[0033] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0035] Figure 1 This is a schematic diagram of a meatball forming device.

[0036] Figure 2 for Figure 1 Schematic diagram of the forming mechanism;

[0037] Figure 3 This is a schematic diagram of the structure of the first and second hemispherical shells;

[0038] Figure 4 This is a schematic diagram of the structure of the third hemispherical shell;

[0039] Figure 5 for Figure 4 The left view;

[0040] Figure 6 This is a schematic diagram of the structure when the first and second hemispherical shells are closed.

[0041] Figure 7 This is a schematic diagram of the structure when the first and second hemispherical shells are open.

[0042] icon:

[0043] 1-Feeding mechanism, 11-Material box, 12-Feeding pipe, 13-Push plate, 14-Feeding cylinder

[0044] 2-Forming mechanism, 21-First hemispherical shell, 211-Feed inlet, 212-First support rod, 213-Baffle plate, 22-Second hemispherical shell, 221-Second support rod, 23-Third hemispherical shell, 231-Top rod, 232-Connecting port, 233-Arc groove, 234-First air chamber, 235-Second air chamber, 236-First air hole, 237-Second air hole

[0045] 3-Shaping mechanism, 31-Curing tank,

[0046] 41-First intake pipe, 42-Second intake pipe, 43-Air storage chamber, 44-First exhaust pipe, 45-Second exhaust pipe, 46-First intake valve, 47-Second intake valve, 48-First exhaust valve, 49-Second exhaust valve

[0047] 51-Pressure sensor, 52-Controller. Detailed Implementation

[0048] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the embodiments of the invention.

[0049] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention.

[0050] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of the present invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0051] In the embodiments of the present invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of the present invention according to the specific circumstances.

[0052] The embodiments of the present invention will be described in detail below.

[0053] Example 1

[0054] See Figures 1-7This embodiment provides a meatball forming device, including a feeding mechanism 1, a forming mechanism 2 and a shaping mechanism 3 arranged sequentially from top to bottom on the same support (not shown in the figure); after the meat paste is mashed and added (starch and seasonings are added), it is first squeezed into the forming mechanism 2 by the feeding mechanism 1 to form a spherical shape, and then cooked and shaped by the shaping mechanism 3.

[0055] The feeding mechanism 1 includes a material box 11, a feeding pipe 12, and a push plate 13.

[0056] Material box 11 is used to hold the meat paste after it has been pulped and added with other ingredients.

[0057] The upper end of the feeding pipe 12 is connected to the bottom of the material box 11, and the lower end is connected to the inlet of the forming mechanism 2.

[0058] The push plate 13 is installed inside the material box 11, and a feeding cylinder 14 is connected above the push plate 13. The feeding cylinder 14 is used to move the push plate 13 vertically.

[0059] The feeding cylinder 14 drives the push plate 13 downward, and the push plate 13 squeezes the meat paste in the material box 11 into the feeding pipe 12, thereby allowing the meat paste to enter the forming mechanism 2.

[0060] The forming mechanism 2 includes a first hemispherical shell 21, a second hemispherical shell 22, and a third hemispherical shell 23, all made of metal.

[0061] The first hemispherical shell 21 is provided with a feed inlet 211, a first support rod 212, and a partition 213; the feed inlet 211 serves as the inlet of the forming mechanism 2 and is connected to the lower end of the feeding pipe 12; the first support rod 212 and the partition 213 are located on the same side of the first hemispherical shell 21 and are respectively located close to the edges of the opposite ends of the first hemispherical shell 21.

[0062] A second support rod 221 is provided on the second hemispherical shell 22. The second support rod 221 and the first support rod 212 are rotatably connected by a pivot. An elastic restoring element such as a torsion spring (not shown in the figure) is connected between the second support rod 221 and the first support rod 212. The elastic restoring element is used to allow the second hemispherical shell 22 and the first hemispherical shell 21 to be joined together to form a hollow sphere. Through the arrangement of the first support rod 212, the second support rod 221, the pivot, and the elastic restoring element, the second hemispherical shell 22 and the first hemispherical shell 21 constitute an openable and closable hollow sphere.

[0063] The third hemispherical shell 23 is fixedly mounted on the support. The inner wall of the third hemispherical shell 23 can slide and seal against the outer wall of the first hemispherical shell 21 or the outer wall of the second hemispherical shell 22. The hollow sphere can rotate clockwise / counterclockwise. The upper part of the third hemispherical shell 23 has a push rod 231 and a connecting port 232. The push rod 231 is used to block the second support rod 221 when the hollow sphere rotates clockwise, so that the second support rod 221 overcomes the restoring force of the elastic restoring member and rotates relative to the first support rod 212, thereby driving the second hemispherical shell 22 to open the hollow sphere, which is convenient for demolding. The connecting port 232 is connected to the lower end of the feed pipe 12 and can be aligned and connected with the feed port 211; the inner wall of the third hemispherical shell 23 has an arc-shaped groove 233 extending in the vertical direction at both ends. The partition 213 is slidably sealed with the arc-shaped groove 233. The partition 213 does not detach from the arc-shaped groove 233. The partition 213 divides the arc-shaped groove 233 into a first air chamber 234 and a second air chamber 235 that are independent of each other. The first air chamber 234 is connected to a first air hole 236 that can be opened and closed. The second air chamber 235 is connected to a second air hole 237 that can be opened and closed. The first air hole 236 and the second air hole 237 can be connected to or disconnected from the air source (not shown in the figure). The air source is used to output gas with a predetermined temperature.

[0064] In the initial state (e.g.) Figure 1 , Figure 2 As shown), the connecting port 232 is aligned and connected with the feeding port 211. The second hemispherical shell 22 and the first hemispherical shell 21 are joined together to form a hollow sphere. Under the pressure of the push plate 13 of the feeding mechanism 1, the meat paste enters the hollow sphere through the feeding pipe 12, the connecting port 232, and the feeding port 211, becoming a relatively dense spherical or ball-shaped meatball. After the meatball is formed, the second air hole 237 is connected to the air source, and the first air hole 236 is opened and disconnected from the air source. The partition plate 213, driven by the gas, drives the first hemispherical shell 21 and the second hemispherical shell 22 to rotate counterclockwise (as shown). Figure 6 As shown), so that the feed inlet 211 and the connecting port 232 are misaligned, and the meatball inside the hollow sphere is cut off and separated from the meat paste inside the connecting port 232 by the relative movement of the first hemispherical shell 21 and the third hemispherical shell 23, so that the shape of the meatball is closer to the sphere, effectively solving the "tail" problem mentioned in the background art.

[0065] After the meatball inside the hollow sphere is cut and separated from the meat paste in the connecting opening 232 by the relative movement of the first hemispherical shell 21 and the third hemispherical shell 23, the first air hole 236 can be connected to the air source, and the second air hole 237 can be opened and disconnected from the air source. This allows the partition 213 to rotate clockwise together with the first hemispherical shell 21 and the second hemispherical shell 22 under the drive of the gas, so that the second hemispherical shell 22 and the third hemispherical shell 23 are completely separated (e.g., Figure 7(As shown); after the second hemisphere 22 and the third hemisphere 23 are completely separated, the first hemisphere 21 and the second hemisphere 22 can open like a mouth, and the meatball can be naturally demolded under its own weight and fall into the shaping mechanism 3 to be cooked and shaped.

[0066] Considering that there may be adhesion between the surface of the meatball and the inner wall of the second hemispherical shell 22, after the first hemispherical shell 21 and the second hemispherical shell 22 are opened into place by filling the first air chamber 234 with gas, the feed port 211 can be connected to the first air chamber 234, and the air pressure in the first air chamber 234 can be appropriately increased. Using the gas in the first air chamber 234, the meatball can be blown out while maintaining the shape of the meatball as much as possible. That is, by using the weight of the meatball and the gas used to drive the first hemispherical shell 21 and the second hemispherical shell 22 to rotate and open, it is possible to ensure smooth demolding while avoiding affecting the shape of the meatball.

[0067] In addition, after the meatball is formed but before demolding, a high-temperature gas can be introduced into the first air chamber 234 through the first air hole 236 to heat the third hemispherical shell 23. While the first hemispherical shell 21 and the second hemispherical shell 22 are rotated clockwise / counterclockwise, multiple parts of the meatball are heat-conducted with the third hemispherical shell 23, and multiple parts of the meatball are briefly heated to pre-shape (preliminary shaping) the surface of the meatball, so as to avoid the meatball from deforming due to impact when it falls into the shaping mechanism 3.

[0068] The shaping mechanism 3 includes a cooking tank 31 with a heating function. The cooking tank 31 is filled with hot water, and the meatballs are cooked and shaped by boiling. After pre-shaping, the meatballs fall into the hot water in the cooking tank 31 and are cooked and shaped.

[0069] To facilitate the control of the connection or disconnection between the first air hole 236 and the second air hole 237 and the air source with a predetermined temperature, this embodiment also includes a first air inlet pipe 41, a second air inlet pipe 42, an air storage chamber 43, a first exhaust pipe 44, and a second exhaust pipe 45.

[0070] One end of the first air intake pipe 41 is connected to the outlet of the air source, and the other end is connected to the first air hole 236. A first air intake valve 46 is provided on the first air intake pipe 41.

[0071] One end of the second air intake pipe 42 is connected to the outlet of the air source, and the other end is connected to the second air hole 237. A second air intake valve 47 is provided on the second air intake pipe 42.

[0072] The gas storage chamber 43 is located inside the third hemispherical shell 23, and the gas storage chamber 43 is connected to a pressure relief valve (not shown in the figure). The gas storage chamber 43 has a large volume and is distributed as widely as possible within the third hemispherical shell 23.

[0073] One end of the first exhaust pipe 44 is connected to the first intake pipe 41 and the other end is connected to the air storage chamber 43. A first exhaust valve 48 is provided on the first exhaust pipe 44.

[0074] One end of the second exhaust pipe 45 is connected to the second intake pipe 42 and the other end is connected to the air storage chamber 43. A second exhaust valve 49 is provided on the second exhaust pipe 45.

[0075] By opening the first intake valve 46 and the second exhaust valve 49, and closing the second intake valve 47 and the first exhaust valve 48, gas from the gas source enters the first air chamber 234 through the first air hole 236, driving the partition 213 to rotate the first hemispherical shell 21 clockwise. Similarly, by opening the second intake valve 47 and the first exhaust valve 48, and closing the first intake valve 46 and the second exhaust valve 49, gas from the gas source enters the second air chamber 235 through the second air hole 237, driving the partition 213 to rotate the second hemispherical shell 22 counterclockwise. Gas discharged from the first air chamber 234 / second air chamber 235 can enter the gas storage chamber 43. When the gas temperature is high, compared to direct discharge, the residual heat of this gas can be fully utilized to heat and shape the surface of the meatball.

[0076] Understandably, pressure regulating valves and other components can be installed at the outlet of the gas source to adjust the outlet pressure as needed.

[0077] Example 2

[0078] This embodiment is a further improvement based on Embodiment 1.

[0079] See Figures 1-7 The meatball forming device also includes a pressure sensor 51 and a controller 52.

[0080] The pressure sensor 51 is located between the movable end of the feeding cylinder 14 and the push plate 13 to detect the magnitude of the driving force of the feeding cylinder 14 on the push plate 13.

[0081] The input terminal of the controller 52 is communicatively connected to the output terminal of the pressure sensor 51, and the output terminal of the controller 52 is communicatively connected to the control terminals of the first intake valve 46, the second intake valve 47, the first exhaust valve 48, the second exhaust valve 49, and the first exhaust valve 48.

[0082] Considering the varying degrees of firmness (and differences in the consistency of the meat paste) among different batches within the first hemispherical shell 21 and the second hemispherical shell 22, firmer meatballs require less pre-forming time to achieve good results, while less firm meatballs require a longer pre-forming time to achieve a consistent effect. Therefore, a pressure sensor 51 and a controller 52 are installed. Since thinner meat paste is less firm after molding and more prone to localized deformation upon impact, the pressure sensor 51 detects the driving force of the feeding cylinder 14 on the push plate 13 to detect the pushing force of the push plate 13 on the meat paste in the material box 11, thus reflecting the consistency of the meat paste. This is because different consistency levels result in different viscosity levels and different adhesive forces between the meat paste and the inner wall of the material box 11, requiring different pushing forces from the push plate 13 when pushing the same volume of meat paste.

[0083] After a predetermined amount of minced meat is introduced into the material box 11, the feeding cylinder 14 drives the pusher plate 13 to push the minced meat downwards. When the data detected by the pressure sensor 51 located between the moving end of the feeding cylinder 14 and the pusher plate 13 is greater than the predetermined range, it indicates that the minced meat has a strong adhesive force to the inner wall of the material box 11 and is relatively thick. The meatballs subsequently formed in the first hemispherical shell 21 and the second hemispherical shell 22 only need to be heated for a first predetermined time to achieve the predetermined shape. When the data detected by the pressure sensor 51 is less than the predetermined range, it indicates that the minced meat has a weak adhesive force to the inner wall of the material box 11 and is relatively thin. The meatballs subsequently formed in the first hemispherical shell 21 and the second hemispherical shell 22 need to be heated for a second predetermined time to achieve the predetermined shape. The second predetermined time is longer than the first predetermined time. In this way, the stability of the product shape can be improved while ensuring processing efficiency.

[0084] Finally, it should be noted that the above are merely preferred embodiments of this application and are not intended to limit this application. For those skilled in the art, this application can have various modifications and variations. Without conflict, the embodiments and features described in the embodiments of this application can be arbitrarily combined with each other. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A meatball forming device, characterized in that, The system includes a feeding mechanism, a forming mechanism, and a shaping mechanism arranged from top to bottom. The minced meat is first extruded by the feeding mechanism into the forming mechanism to form a spherical shape, and then cooked and shaped by the shaping mechanism. The forming mechanism includes: The first hemispherical shell is equipped with a feed inlet and a partition. The second hemispherical shell, together with the first hemispherical shell, forms an openable and closable hollow sphere; The inner wall of the third hemispherical shell can slide and seal against the outer wall of the first hemispherical shell or the outer wall of the second hemispherical shell. The upper part of the third hemispherical shell has a communication port connected to the feeding mechanism. The communication port can be aligned and connected with the feed port. The inner wall of the third hemispherical shell has arc-shaped grooves extending vertically at both ends. The partition slides and seals with the arc-shaped grooves. The partition divides the arc-shaped grooves into two independent air chambers: a first air chamber and a second air chamber. The first air chamber is connected to a first air hole that can be opened and closed, and the second air chamber is connected to a second air hole that can be opened and closed. The first air hole and the second air hole can be connected to or disconnected from a gas source. The gas source is used to output gas with a predetermined temperature. A first support rod is provided on the first hemispherical shell, and the first support rod and the partition are located on the same side of the first hemispherical shell and are respectively located near the edges of opposite ends of the first hemispherical shell; a second support rod is provided on the second hemispherical shell, and the second support rod and the first support rod are rotatably connected by a rotating shaft; an elastic reset member is connected between the second support rod and the first support rod; Also includes: The first air intake pipe has one end connected to the outlet of the air source and the other end connected to the first air hole. The first air intake pipe is equipped with a first air intake valve. The second air intake pipe has one end connected to the outlet of the air source and the other end connected to the second air hole. A second air intake valve is provided on the second air intake pipe. An air storage chamber is located inside the third hemispherical shell and is connected to a pressure relief valve; The first exhaust pipe has one end connected to the first air intake pipe and the other end connected to the air storage chamber. A first exhaust valve is provided on the first exhaust pipe. The second exhaust pipe has one end connected to the second intake pipe and the other end connected to the air storage chamber. A second exhaust valve is provided on the second exhaust pipe.

2. The meatball forming device according to claim 1, characterized in that, The shaping mechanism includes a curing tank with a heating function.

3. The meatball forming device according to claim 1, characterized in that, The elastic reset element includes a torsion spring.

4. The meatball forming device according to claim 1, characterized in that, The upper part of the third hemispherical shell also has a top rod, which is used to block the second support rod from opening the hollow sphere when the hollow sphere rotates clockwise.

5. The meatball forming apparatus according to any one of claims 1 to 4, characterized in that, The feeding mechanism includes: Material box, used to hold minced meat; The upper end of the feeding pipe is connected to the bottom of the material box, and the lower end is connected to the connecting port. The push plate is vertically movable inside the material box.

6. The meatball forming device according to claim 5, characterized in that, A feeding cylinder is connected above the push plate.

7. The meatball forming device according to claim 6, characterized in that, It also includes a pressure sensor, which is disposed between the movable end of the feeding cylinder and the push plate.

8. The meatball forming device according to claim 7, characterized in that, It also includes a controller, the input of which is communicatively connected to the output of the pressure sensor, and the output of which is communicatively connected to the control terminals of the first intake valve, the second intake valve, the first exhaust valve, the second exhaust valve, and the first exhaust valve.

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