A dairy product bagging machine

Abstract

The utility model relates to the technical field of dairy product production, specifically relates to a dairy product bagged packing machine, including frame, be equipped with the feed structure that supplies goat milk to go into the packing bag strip on the frame, the feed structure includes the casing, the casing is fixed on the frame, the bottom of casing is opened has the opening, the casing is strung and is equipped with the feed piece that can reciprocate up and down for goat milk to go into the packing bag strip, the feed piece is connected with casing sliding, the feed piece is fixedly connected with the air inlet piece that supplies nitrogen to go into the packing band strip in the feed piece. The utility model can prevent goat milk from splashing back in the process of going into the packing bag strip through the feed piece that reciprocates up and down, thereby avoiding the bag leakage caused by the insufficient heat sealing effect, and simultaneously prolonging the shelf life of the bagged goat milk by supplying nitrogen into the packing bag strip.

Description

Technical Field

[0001] This utility model relates to the technical field of dairy product production, specifically to a dairy product bagging machine. Background Technology

[0002] Goat milk is another high-quality protein source after cow milk, and its nutritional value is even higher than that of cow milk. It is rich in protein, fat, lactose, minerals, vitamins and a variety of bioactive components. Its nutritional composition is close to that of human milk. The casein and fat particles are smaller than those of cow milk, making it easier for the human body to absorb and utilize. Due to its rich nutritional components and unique bioactive substances, it is gradually gaining favor among consumers.

[0003] In the production process of fresh goat milk products, after pasteurization, the goat milk needs to be packaged using a bagging machine for easy sale, resulting in bagged goat milk. The bagging machine consists of a conveying structure, a side-sealing structure, a feeding structure, and a bottom-sealing structure. The steps for packaging goat milk using this machine include: (1) Packaging material (usually plastic film) is conveyed downward through the conveying structure. During the downward movement of the packaging material, the side sealing structure continuously folds the packaging material in half and wraps it around the feeding structure, and continuously heat seals the side of the folded packaging material so that both sides of the folded packaging material are closed. (2) After the conveying structure conveys the packaging material to the position of the bottom sealing structure, it stops conveying the packaging material. The bottom sealing structure clamps the bottom edge of the folded packaging material and heat seals it, so that the bottom edge and both sides of the folded packaging material are closed, forming a three-sided closed packaging bag strip that wraps the feeding structure. (3) Goat milk is fed into the packaging bag strip through the feeding structure. After the goat milk is fed in, the packaging bag strip is cut and stopped by the bottom sealing structure. The excess packaging material cut off falls off automatically. (4) The packaging material continues to be conveyed by the conveying structure, and the packaging bag strip moves downward until the liquid level of the goat milk in the packaging bag strip is just below the bottom sealing structure. Then the packaging material is stopped, and the bottom sealing cutting structure clamps the packaging bag strip for heat sealing, so that the packaging bag strip forms a four-sided closed packaging bag to wrap the goat milk and obtain bagged goat milk. (5) Then, goat milk is fed into the packaging bag strip through the feeding structure. After the goat milk is fed in, the packaging bag strip is cut and stopped by the bottom sealing structure. The bagged goat milk that has been packaged in step (4) falls off automatically. By continuously repeating steps (4) and (5), bagged goat milk is produced continuously.

[0004] However, during the process of feeding goat milk into the packaging bag strip through the feeding structure, the impact force of the goat milk as it passes through the feeding structure may cause it to splash back onto the upper packaging bag strip. If the bottom sealing structure heat-seals the packaging bag strip and the heat-sealing point happens to come into contact with the splashed goat milk, the heat-sealing effect will be poor, reducing the airtightness of the bagged goat milk and causing leakage. At the same time, since the goat milk is constantly in contact with air during the feeding and packaging process, it is unavoidable that the bagged goat milk contains air. Since oxygen in the air easily leads to the growth of microorganisms and spoilage of the goat milk, the shelf life of the bagged goat milk will be reduced. Utility Model Content

[0005] This utility model aims to provide a dairy product bag packaging machine that can prevent goat milk from splashing back during the process of passing it into the packaging bag strip, thereby avoiding leakage caused by insufficient heat sealing effect, and extending the shelf life of bagged goat milk by introducing nitrogen into the packaging bag strip.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: 1) A dairy product bagging machine, including a frame, a feeding structure for feeding goat milk into the packaging bag strip on the frame, the feeding structure including a shell, the shell being fixed on the frame, an opening at the bottom of the shell, a feeding component for feeding goat milk into the packaging bag strip and capable of moving up and down reciprocating through the shell, the feeding component being slidably connected to the shell, and an air inlet for feeding nitrogen into the packaging strip being fixedly connected to the feeding component.

[0007] In this utility model, packaging material is conveyed downward by a conveying structure. During the downward movement of the packaging material, the side sealing structure continuously folds the packaging material in half and wraps it around the shell, and continuously heat-seals the sides of the folded packaging material. After the packaging material moves to the bottom sealing structure, the conveying of the packaging material stops, and the bottom edge of the folded packaging material is clamped by the bottom sealing structure for heat sealing, so that the bottom edge and both sides of the folded packaging material are closed, forming a packaging bag strip that is closed on three sides and wraps the shell. Then, goat milk is fed into the packaging bag strip through the feeding device. After the goat milk is fed in, the bottom sealing structure cuts and stops clamping the packaging bag strip. The excess packaging material cut off falls off automatically. The conveying structure continues to convey the packaging material, and the packaging bag strip moves downwards until the liquid level of the goat milk in the packaging bag strip is just below the bottom sealing structure. Then the conveying of the packaging material stops, and the bottom sealing structure clamps the packaging bag strip for heat sealing, so that the packaging bag strip forms a closed packaging bag to wrap the goat milk, thus obtaining bagged goat milk. Then, goat milk is fed into the packaging bag strip again through the feeding component. After the goat milk is fed in, the bottom sealing and cutting structure cuts and stops clamping the packaging bag strip. The packaged goat milk automatically falls out. Then, the conveying structure continues to convey the packaging material, and the packaging bag strip moves downwards until the liquid level of the goat milk in the packaging bag strip is just below the bottom sealing structure. At this point, the conveying of the packaging material stops, and the bottom sealing structure clamps the packaging strip for heat sealing, so that the packaging bag strip forms a closed packaging bag that wraps the goat milk. The bagged goat milk is obtained again. By repeating this process, bagged goat milk can be produced continuously.

[0008] Before feeding goat milk into the packaging bag strip through the feeding device, move the feeding device downwards until the bottom of the feeding device is close to the position where the packaging bag strip is held by the bottom sealing structure. Then, as the goat milk is fed into the packaging bag strip through the feeding device, move the feeding device upwards gradually, ensuring that the bottom of the feeding device is always below the surface of the goat milk. After the goat milk is fed in, continue to move the feeding device upwards a certain distance to remove it from the surface of the goat milk. Repeat the above steps when feeding goat milk into the packaging bag strip again.

[0009] Because the bottom of the feeder is close to the clamping position of the packaging strip when the goat milk first enters the packaging strip, the position where the goat milk enters the packaging strip is close to the clamping position. This prevents the weight of the goat milk from increasing the impact force on the clamping position of the packaging strip, thus avoiding the goat milk splashing onto the upper packaging strip. As the goat milk enters the packaging strip, the feed tube gradually moves upward, ensuring that the bottom of the feed tube is always below the surface of the goat milk. This allows the existing goat milk in the packaging strip to act as a buffer, reducing the impact force when the goat milk enters the packaging strip from the feed tube. This further prevents the goat milk from splashing onto the upper packaging strip and avoids the splashed goat milk affecting the heat sealing effect of the bottom seal structure on the packaging strip, resulting in good sealing performance of the packaged goat milk.

[0010] During the continuous packaging process of goat milk, nitrogen gas is continuously introduced into the packaging bag strip through the air inlet. This allows the air and excess nitrogen inside the packaging bag strip to escape through the gap between the packaging bag strip and the shell. This ensures that the goat milk is in a nitrogen environment from the time it is introduced into the packaging bag strip until the packaging is completed. This prevents the goat milk from coming into contact with oxygen in the air during the introduction of the packaging bag strip and after the packaging is completed, which could lead to the growth of microorganisms and thus extend the shelf life of the bagged goat milk.

[0011] 2) A dairy product bagging machine according to 1), wherein: The feeding component includes a feeding pipe for feeding goat milk into the packaging bag strip. The feeding pipe passes through the housing and is slidably connected to the housing. The top end of the feeding pipe is connected to a milk supply hose for feeding goat milk into the feeding pipe. It also includes a telescopic pump installed on the housing. The piston rod of the telescopic pump is fixedly connected to a fixing block, and the fixing block is fixedly connected to the feeding pipe.

[0012] In this invention, before introducing goat milk into the packaging bag strip, a telescopic pump drives a fixed block to move downwards. The fixed block then moves the feed pipe downwards until the bottom of the feed pipe is close to the position where the packaging bag strip is held by the bottom sealing structure. Goat milk is then introduced into the feed pipe through a milk supply hose, allowing the goat milk to enter the packaging bag strip through the feed pipe. During the process of introducing goat milk into the packaging bag strip, the telescopic pump drives the fixed block to gradually move the feed pipe upwards, ensuring that the bottom of the feed pipe is always below the surface of the goat milk. After the goat milk has been introduced, the telescopic pump continues to drive the fixed block to move the feed pipe upwards a certain distance away from the surface of the goat milk. The above steps are repeated when introducing goat milk into the packaging bag strip for the next time.

[0013] Because the bottom of the feed tube is close to the clamping point of the packaging strip when the goat milk first enters the packaging strip, the position where the goat milk enters the packaging strip is close to the clamping point. This prevents the weight of the goat milk from increasing the impact force on the clamping point of the packaging strip when it first enters, thus avoiding the goat milk splashing onto the upper packaging strip. As the goat milk enters the packaging strip, the feed tube gradually moves upward, ensuring that the bottom of the feed tube is always below the surface of the goat milk. This allows the existing goat milk in the packaging strip to act as a buffer, reducing the impact force when the goat milk enters the packaging strip. This further prevents the goat milk from splashing onto the upper packaging strip and avoids the splashed goat milk affecting the heat-sealing effect of the bottom seal structure on the packaging strip, resulting in good sealing performance of the packaged goat milk.

[0014] 3) A dairy product bagging machine according to 1), wherein: The air intake component includes an air intake chamber that is fixedly sleeved outside the feed pipe. The air intake chamber is connected to an air intake hose for supplying nitrogen into the air intake chamber. Several air outlets for supplying nitrogen into the packaging bag strip are opened on the side of the bottom of the air intake chamber.

[0015] In this invention, during the process of repeatedly feeding goat milk into the packaging bag strip through the feed pipe, nitrogen gas is continuously introduced into the air inlet chamber through the air inlet hose. The nitrogen gas in the air inlet chamber enters the packaging bag strip through the air outlet, causing the air and excess nitrogen in the packaging bag strip to be discharged from the gap between the packaging bag strip and the shell. This ensures that the goat milk is always in a nitrogen environment from the time it is fed into the packaging bag strip until the packaging is completed, preventing the goat milk from coming into contact with oxygen in the air during the feeding process and after the packaging is completed, which could lead to the growth of microorganisms and thus extend the shelf life of the bagged goat milk. Meanwhile, since the air outlet is located on the side of the air inlet, when nitrogen enters the packaging bag strip through the air inlet, it can form a horizontal airflow, which to a certain extent intercepts the splashed goat milk and avoids affecting the heat sealing effect of the bottom seal structure on the packaging bag strip. Secondly, the nitrogen introduced into the packaging bag strip can keep the packaging bag strip in an expanded state by the nitrogen, preventing the feed pipe from contacting the packaging bag strip. This prevents the goat milk attached to the feed pipe from contacting the packaging bag strip and instead adheres to the packaging bag strip, further avoiding affecting the heat sealing effect of the bottom seal structure on the packaging bag strip.

[0016] 4) A dairy product bagging machine according to 3), wherein: It also includes an air guide chamber fixedly connected inside the housing, with an air guide port at the bottom of the air guide chamber, and an air inlet chamber passing through the air guide chamber and slidably connected to the air guide chamber.

[0017] In this invention, when the feed pipe moves upward and detaches from the liquid surface, the air inlet chamber moves upward accordingly, causing the air outlet on the air inlet chamber to move into the air guide chamber. At this time, the nitrogen gas sprayed from the air outlet enters the air guide chamber and then blows down through the air guide port at the bottom of the air guide chamber, passing through the feed pipe and into the packaging bag strip, thereby blowing off the goat milk attached to the feed pipe and preventing goat milk residue from remaining on the feed pipe.

[0018] 5) A dairy product bagging machine according to 1), wherein: The inner wall of the shell forms an outlet passage between the air inlet and the air guide chamber, allowing the gas inside the packaging bag to flow out of the shell.

[0019] In this invention, during the process of nitrogen entering the packaging bag strip through the vent, the air and excess nitrogen inside the packaging bag strip can be discharged through the inlet passage. Compared with relying solely on the gap between the packaging bag strip and the shell to discharge the air and excess nitrogen from the packaging material, the discharge of air and excess nitrogen through the outlet passage is smoother, avoiding the packaging bag strip from bursting due to the inability of air and excess nitrogen to be discharged in time.

[0020] Compared with the prior art, this utility model also has the following technical effects: In this invention, before feeding goat milk into the packaging bag strip, a telescopic pump drives a fixed block to move the feed pipe downwards until the bottom of the feed pipe is close to the clamped position of the packaging bag strip. Then, as the goat milk is fed into the packaging bag strip through the feed hose, the telescopic pump drives the fixed block to move the feed pipe upwards, ensuring that the bottom of the feed pipe is always below the surface of the goat milk. After the goat milk is fed in, the feed component is moved upwards a certain distance to detach from the surface of the goat milk. The above steps are repeated when feeding goat milk into the packaging bag strip again. This prevents the goat milk from splashing back onto the upper packaging bag strip when it is fed into the packaging bag strip, thus preventing the splashed goat milk from affecting the heat-sealing effect of the bottom seal structure on the packaging bag strip, resulting in good sealing performance of the packaged goat milk. Meanwhile, during the process of introducing goat milk into the packaging bag strip and packaging the goat milk, nitrogen gas is introduced into the air inlet chamber through the air inlet hose, and then continuously enters the packaging bag strip through the air outlet. This ensures that the goat milk is in a nitrogen environment from the time it is introduced into the packaging bag strip until the packaging is completed, preventing the goat milk from coming into contact with oxygen in the air and causing microbial growth, thereby extending the shelf life of the bagged goat milk. In addition, the nitrogen gas entering the packaging bag strip through the air outlet forms a horizontal airflow, which to a certain extent intercepts splashed goat milk, further preventing splashed goat milk from affecting the heat sealing effect of the bottom seal structure on the packaging bag strip.

[0021] Other advantages, objectives, and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination and study, or may be learned from practice of this invention. The objectives and other advantages of this invention can be realized and obtained through the following description. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of state 1 in a dairy product bagging machine according to the present invention; Figure 2 This is a schematic diagram of state 2 in a dairy product bagging machine according to the present invention.

[0023] The reference numerals in the accompanying drawings of the instruction manual include: frame 1, bottom sealing structure 2, shell 3, feed pipe 4, milk supply hose 5, piston rod 6, fixing block 7, air inlet chamber 8, air inlet hose 9, air outlet 10, air guide chamber 11, air outlet passage 12, packaging bag strip 13. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0026] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0027] In the above description of this utility model, it should be noted that the terms "one side," "the other side," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model 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 this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0028] Furthermore, terms such as "identical" do not imply that components must be absolutely identical; minor differences are permissible. The term "perpendicular" simply means that the positional relationship between components is more perpendicular than "parallel," not that the structure must be perfectly perpendicular; a slight tilt is acceptable.

[0029] See the example. Figure 1 and Figure 2 As shown, this embodiment is a dairy product bag packaging machine, including a feeding structure for feeding goat milk into the packaging bag strip. The feeding structure includes a housing 3 fixed to the frame 1 by bolts and nuts. The bottom of the housing 3 has an opening, and the top of the housing 3 has a through hole for the feeding pipe 4 to move up and down. The feeding pipe 4 passes through the through hole and penetrates the housing 3. The top end of the feeding pipe 4 is connected to a milk supply hose 5 for feeding goat milk into the feeding pipe 4. It also includes a telescopic pump fixed to the housing 3 by bolts and nuts. The piston rod 6 of the telescopic pump is fixedly connected to a fixing block 7 by bolts and nuts. The fixing block 7 is welded to the feeding pipe 4. An air inlet chamber 8 is welded to the outside of the feed pipe 4. The air inlet chamber 8 is connected to an air inlet hose 9 for supplying nitrogen into the air inlet chamber 8. Four air outlets 10 for supplying nitrogen into the packaging bag strip 13 are opened on the side of the bottom of the air inlet chamber 8. It also includes a guide chamber 11 fixed inside the shell 3 by welding with a bracket. The bottom of the guide chamber 11 has a guide port. The top of the guide chamber 11 has a passage for the air inlet chamber 8 to move up and down. The inner wall of the passage is clearance-fitted with the outer wall of the air inlet chamber 8. A sealing ring is installed between the inner wall of the passage and the outer wall of the air inlet chamber 8. There is a gap between the inner wall of the shell 3 and the outer walls of the air inlet chamber 8 and the guide chamber 11. The top of the shell 3 has an air outlet. The gap, the air outlet and the opening form an air outlet passage 12 for the gas inside the packaging bag strip 13 to flow out of the shell 3.

[0030] In this embodiment, before introducing goat milk into the packaging bag strip 13, see [reference needed]. Figure 1 As shown, the telescopic pump drives the fixing block 7 to move downwards, which in turn moves the feed pipe 4 downwards until the bottom end of the feed pipe 4 is close to the position where the bottom sealing structure 2 clamps the packaging bag strip 13. Then, goat milk is introduced into the feed pipe 4 through the milk supply hose 5, allowing the goat milk to enter the packaging bag strip 13 through the feed pipe 4. During the process of the goat milk entering the packaging bag strip 13, the telescopic pump drives the fixing block 7 to move the feed pipe 4 upwards gradually, ensuring that the bottom end of the feed pipe 4 is always below the surface of the goat milk. After the goat milk is introduced, see [link to instructions]. Figure 2 As shown, the telescopic pump continues to drive the fixed block 7 to move the feed pipe 4 upward a certain distance away from the surface of the goat milk. The above steps are repeated when goat milk is fed into the packaging bag strip 13 next time. During the process of repeatedly feeding goat milk into the packaging bag strip 13 through the feed pipe 4, nitrogen gas is continuously supplied into the air inlet chamber 8 through the air inlet hose 9. The nitrogen gas in the air inlet chamber 8 enters the packaging bag strip 13 through the air outlet 10, causing the air and excess nitrogen in the packaging bag strip 13 to be discharged from the gap between the packaging bag strip 13 and the shell 3. When the feed pipe 4 moves upward and leaves the liquid surface, see... Figure 2 As shown, the air inlet chamber 8 moves upward, causing the air outlet 10 on the air inlet chamber 8 to move into the air guide chamber 11. At this time, the nitrogen gas sprayed from the air outlet 10 enters the air guide chamber 11, and then blows down through the air guide port at the bottom of the air guide chamber 11 through the feed pipe 4 into the packaging bag strip 13, thereby blowing off the goat milk attached to the feed pipe 4 and preventing goat milk residue from remaining on the feed pipe 4.

[0031] Since the bottom end of the feed pipe 4 is close to the clamping position of the packaging strip 13 when the goat milk begins to flow into the packaging strip 13, the position where the goat milk enters the packaging strip 13 is close to the clamping position. This makes it less likely that the weight of the goat milk will increase the impact force on the clamping position of the packaging strip 13 when it begins to flow into the packaging strip 13, thus preventing the goat milk from splashing back onto the upper packaging strip 13. As the goat milk flows into the packaging strip 13, the feed pipe 4 gradually moves upward and the bottom end of the feed pipe 4 is always below the surface of the goat milk. Therefore, the existing goat milk in the packaging strip 13 can act as a buffer, reducing the impact force when the goat milk flows into the packaging strip 13 from the feed pipe 4, further preventing the goat milk from splashing back onto the upper packaging strip 13. Since the vent 10 is located on the side of the air inlet chamber 8, when nitrogen enters the packaging bag strip 13 through the vent, it can form a horizontal airflow, which can intercept the splashed goat milk to a certain extent, and further prevent the goat milk from splashing onto the upper packaging bag strip 13. This prevents the splashed goat milk from affecting the heat sealing effect of the bottom sealing structure 2 on the packaging bag strip 13. In addition, the nitrogen can expand the packaging bag strip 13 to make it in an expanded state, preventing the feed pipe 4 from contacting the packaging bag strip 13. This prevents the goat milk attached to the feed pipe 4 from contacting the packaging bag strip 13 and instead attaching to the packaging bag strip 13, further preventing the heat sealing effect of the bottom sealing structure 2 on the packaging bag strip 13 from being affected, so that the packaged bagged goat milk has good sealing performance. Meanwhile, the continuous flow of nitrogen into the packaging strip 13 can expel the air inside the packaging strip 13 from the air outlet passage 12 into the shell 3, so that the goat milk is always in a nitrogen environment from the time it enters the packaging strip 13 until the packaging is completed. This prevents the goat milk from coming into contact with oxygen in the air during the time it enters the packaging strip 13 and after the goat milk is packaged, which would lead to the growth of microorganisms and thus extend the shelf life of the bagged goat milk.

[0032] The above are merely embodiments of this utility model. Commonly known technical solutions and / or characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solution of this invention. These modifications and improvements should also be considered within the scope of protection of this invention, and will not affect the effectiveness of the implementation of this invention or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A dairy product bagging machine, comprising a frame, wherein the frame is provided with a feeding structure for feeding goat milk into a packaging bag strip, the feeding structure comprising a housing, the housing being fixed to the frame, characterized in that, The bottom of the shell has an opening, and a feeding device that allows goat milk to enter the packaging bag strip and can move up and down is inserted inside the shell. The feeding device is slidably connected to the shell, and an air inlet device for allowing nitrogen to enter the packaging strip is fixedly connected inside the feeding device.

2. The dairy product bagging machine according to claim 1, characterized in that: The feeding component includes a feeding pipe for feeding goat milk into the packaging bag strip. The feeding pipe passes through the housing and is slidably connected to the housing. The top end of the feeding pipe is connected to a milk supply hose for feeding goat milk into the feeding pipe. It also includes a telescopic pump installed on the housing. The piston rod of the telescopic pump is fixedly connected to a fixing block. The fixing block is fixedly connected to the feeding pipe.

3. The dairy product bagging machine according to claim 1, characterized in that: The air intake component includes an air intake chamber that is fixedly sleeved outside the feed pipe. The air intake chamber is connected to an air intake hose for supplying nitrogen into the air intake chamber. Several air outlet holes for supplying nitrogen into the packaging bag strip are opened on the side of the bottom of the air intake chamber.

4. A dairy product bagging machine according to claim 3, characterized in that: It also includes an air guide chamber fixedly connected inside the housing, with an air guide port at the bottom of the air guide chamber, and the air inlet chamber passing through the air guide chamber and slidably connected to the air guide chamber.

5. A dairy product bagging machine according to claim 4, characterized in that: The inner wall of the shell forms an outlet passage between the air inlet and the air guide chamber, allowing the gas inside the packaging bag strip to flow out of the shell.

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