Packaging bag filling machine for food production

By designing a packaging bag filling machine for food production including filling mechanism, filling corrugated pipe, defoaming parts, foam absorption pipes and foam collection containers, the problem of bubble generation during liquid food filling is solved, and the effect of reducing the amount of bubbles, preventing foam from overflowing and maintaining the production environment is achieved.

CN222591839UActive Publication Date: 2025-03-11SIPING XIANGYUDE FOOD CO LTD
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Patent Information

Application Number
CN202421389369.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-03-11
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

During the filling process of liquid food, the production of bubbles will affect the quality of the food and may cause foam to overflow, pollute the production environment, and increase the intensity of clean labor.

Method used

A packaging bag filling machine for food production is designed, including filling mechanism, filling corrugated pipe, defoaming parts, foam absorption pipes and foam collection containers. The filling corrugated pipe transports the liquid food along the lower end of the inner wall of the packaging bag. The defoaming piece eliminates bubbles at the opening of the packaging bag. The foam absorption pipe absorbs the bubbles at the opening of the packaging bag through negative pressure. The foam collection container collects and recovers the liquefied liquid food.

Benefits of technology

It effectively reduces the amount of bubbles generated during filling of liquid food, prevents foam from spilling, keeps the production environment clean, and reduces the labor intensity of clean workshop environment.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides a packaging bag filling machine for food production, which relates to the technical field of food production equipment and comprises a filling mechanism, a filling corrugated pipe, a defoaming part, a foam suction pipeline, a foam collection container, a vacuum pump and a foam filter screen. According to the device, liquid food is filled through the filling mechanism, the filled liquid food is output through the filling corrugated pipe, the liquid food is directly conveyed and filled along the lower end of the inner wall of a packaging bag, and the amount of bubbles generated in the filling process is reduced; bubbles at the upper end of the liquid level of the liquid food are eliminated through the defoaming piece arranged at the opening of the packaging bag, the amount of generated bubbles is reduced, and the size of the adopted defoaming piece is selected according to the size of the opening of the packaging bag; and residual bubbles at the opening of the packaging bag are sucked away on the foam suction pipeline under the action of negative pressure, and foam overflow during liquid food filling is effectively avoided through cooperation of the scheme.
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Description

Technical Field

[0001] The utility model relates to the technical field of food production equipment, in particular to a packaging bag filling machine for food production. Background Art

[0002] A filling machine is needed for filling liquid food. Bubbles will be generated in the process of filling liquid food into packaging bags or bottles. If the amount of bubbles is large, it will not only affect the quality of the food, but the foam generated by the accumulation of bubbles will also easily overflow from the packaging bag, causing pollution to the production environment and increasing the labor intensity of cleaning the workshop environment. Utility Model Content

[0003] The utility model aims to provide a packaging bag filling machine for food production, which solves the technical problem that bubbles are generated in the process of filling liquid food into packaging bags or packaging bottles by the filling machine. When the amount of bubbles is large, it will not only affect the quality of the food, but the foam generated by the accumulation of bubbles will also easily overflow the packaging bag, causing pollution to the production environment and increasing the labor intensity of cleaning the workshop environment.

[0004] The utility model provides a packaging bag filling machine for food production, comprising:

[0005] Filling mechanism;

[0006] A filling bellows, the upper end of which is fixedly connected to the bottom surface of the filling mechanism, and the lower end of which extends and fits on the side wall of the inner cavity of the packaging bag;

[0007] A defoaming piece, which is sleeved on the outer wall of the filling bellows in an interference fit manner, and the defoaming piece is located at the bag opening of the packaging bag;

[0008] A foam suction pipe, the input end of which is located at the bag opening of the packaging bag;

[0009] A foam collecting container is detachably fixedly mounted on the filling mechanism, and the upper end of the foam suction pipe is fixedly connected to the foam collecting container;

[0010] The foam collection container is fixedly connected to one end away from the foam suction pipeline with a vacuum pump, and the air inlet pipe of the vacuum pump is fixedly equipped with a foam filter.

[0011] As a further optimization scheme, in order to transport the liquid food along the lower end of the inner wall of the packaging bag, reduce the height between the lower end of the filling head and the liquid surface, and reduce the amount of foam generated during the filling of the liquid food, the filling bellows includes:

[0012] The connecting tube is rotated so that the upper end thereof is fixedly connected with the bottom surface of the filling mechanism;

[0013] A feed pipe, the upper end of which is rotatably connected to the lower end of the rotating connecting pipe;

[0014] The middle section of the feed pipe is a rubber bellows;

[0015] The discharge port at the lower end of the feed pipe is an inclined discharge port.

[0016] As a further optimization solution, in order to eliminate the foam at the upper opening of the packaging bag and reduce the amount of foam generated by the filling of liquid food, the defoaming member includes:

[0017] The inner ring is sleeved on the outer wall of the filling bellows in an interference fit manner;

[0018] An outer ring, which is coaxially arranged outside the inner ring;

[0019] Support rods are evenly and fixedly installed between the inner ring and the outer ring;

[0020] A bubble removal net is fixedly mounted between the inner ring and the outer ring, and the support rod passes through the bubble removal net.

[0021] As a further optimization solution, in order to absorb the foam generated at the upper end of the packaging bag in time to prevent the foam from overflowing, the foam absorption pipeline includes:

[0022] A hose, the upper end of which is fixedly connected to the foam collection container;

[0023] The lower end of the hose is bent toward the packaging bag, and a conical nozzle is fixedly mounted on the lower end of the hose.

[0024] As a further optimization solution, in order to collect the foam sucked by the foam suction pipe and recover the liquid food after the foam is gathered and liquefied, the foam collection container includes:

[0025] A collecting box, one side of the bottom surface of which is fixedly connected to the upper end of the foam suction pipe, and the other side of the bottom surface of the collecting box is convex downward to form a liquid collecting groove;

[0026] The bottom surface of the liquid collecting groove is fixedly connected with a liquid drain pipe with a valve;

[0027] The foam collection container is fixedly equipped with an arc-shaped connecting plate at one end close to the filling mechanism;

[0028] The arc-shaped connecting plate and the outer wall of the filling mechanism are fixedly connected with fixing bolts.

[0029] As a further optimization solution, in order to locate the middle of the foam suction pipe, it also includes:

[0030] A hose positioning seat, comprising:

[0031] A sleeve ring, which is sleeved on the lower end of the outer wall of the filling mechanism;

[0032] A first hand-tightened bolt is threadedly connected to the outer wall of the collar, and the end of the first hand-tightened bolt abuts against the outer wall of the filling mechanism;

[0033] A positioning block is fixedly mounted on the outer wall of the collar near the foam absorption pipe, and through holes are formed on the upper and lower surfaces of the positioning block;

[0034] The middle portion of the foam suction pipe passes through the through hole.

[0035] As a further optimization scheme, in order to further position the middle of the foam absorption pipe, an internal thread is opened on the inner wall of the through hole, and an external threaded sleeve is fixedly sleeved on the middle of the outer wall of the foam absorption pipe, and the external threaded sleeve is screwed onto the internal thread of the inner wall of the through hole.

[0036] As a further optimization scheme, in order to achieve the rotational connection between the rotating connecting pipe and the feeding pipe, a rotational connection structure is installed between the lower end of the rotating connecting pipe and the upper end of the feeding pipe, and the rotational connection structure includes:

[0037] An annular groove is formed on the upper edge of the outer wall of the feed pipe;

[0038] An annular groove is provided at the lower end of the inner wall of the annular groove;

[0039] The lower end of the inner wall of the rotating connecting pipe is integrally formed with an annular rib, and the upper edge of the inner ring surface of the annular rib is integrally formed with an annular protrusion;

[0040] The annular protrusion is movably engaged in the annular groove;

[0041] A limiting ring is welded to the upper end of the inner wall of the annular groove, and the bottom surface of the limiting ring abuts against the annular retaining edge.

[0042] As a further optimization solution, in order to fill the liquid food, the filling mechanism includes:

[0043] The filling cylinder has sealed ends at both the upper and lower ends;

[0044] The upper end of the outer wall of the filling cylinder is fixedly connected to a feed pipe with a valve;

[0045] The upper end of the filling bellows is fixedly connected to the bottom surface of the filling cylinder.

[0046] As a further optimization solution, in order to facilitate the connection and fixation between the filling mechanism and the external equipment, the upper end of the filling cylinder is fixedly equipped with a connector, and the connector includes:

[0047] A connecting flange, which is fixedly connected to the upper end of the filling cylinder by bolts;

[0048] A connecting pipe is welded to the inner annular surface of the connecting flange;

[0049] The outer wall of the connecting pipe is evenly threaded with second hand-tightened bolts, and the ends of the second hand-tightened bolts extend into the interior of the connecting pipe.

[0050] The utility model provides a food production packaging bag filling machine through improvement, which has the following improvements and advantages compared with the prior art:

[0051] The device fills liquid food through a filling mechanism, outputs the filled liquid food through a filling bellows, and directly transports the liquid food along the lower end of the inner wall of the packaging bag for filling, thereby reducing the amount of bubbles generated during the filling process; the bubbles on the upper end of the liquid surface of the liquid food are eliminated by a defoaming component arranged at the opening of the packaging bag, thereby reducing the amount of bubbles generated, and the size of the defoaming component used is selected according to the size of the opening of the packaging bag; the remaining bubbles at the opening of the packaging bag are sucked away by the negative pressure acting on the foam suction pipe, and the above-mentioned scheme is combined to effectively avoid foam overflow during liquid food filling. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0053] Figure 1 It is a schematic diagram of the structure of the utility model;

[0054] Figure 2 This is a schematic diagram of the structure of the defoaming component of the utility model;

[0055] Figure 3 This is a schematic diagram of the structure of the foam suction pipeline and the foam collection container of the utility model;

[0056] Figure 4 It is a schematic cross-sectional view of the structure of the rotating connecting structure of the utility model.

[0057] Description of reference numerals:

[0058] 1-filling mechanism, 11-filling cylinder, 12-feeding pipe with valve, 2-filling bellows, 21-rotating connecting pipe, 22-feeding pipe, 23-rubber bellows, 24-inclined discharge port, 3-defoaming parts, 31-inner ring, 32-outer ring, 33-support rod, 34-defoaming net, 4-foam suction pipe, 41-hose, 42-conical nozzle, 5-hose positioning seat, 51-ring, 52-first hand-tightening bolt, 53-positioning block, 54-through hole, 55-externally threaded sleeve, 6-foam collecting container, 61-collecting box, 62-arc-shaped connecting plate, 63-fixing bolt, 64-liquid collecting groove, 65-liquid drain pipe with valve, 7-connecting head, 71-connecting flange, 72-second hand-tightening bolt, 73-connecting pipe, 8-rotating connecting structure, 81-annular groove, 82-annular slot, 83-annular protrusion, 84-limiting ring, 9-vacuum pump, 91-foam filter. DETAILED DESCRIPTION

[0059] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0060] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and 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 direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0061] In the description of the present utility model, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0062] See also Figure 1-4 The utility model provides a technical solution: a packaging bag filling machine for food production, comprising:

[0063] Filling mechanism 1;

[0064] The filling bellows 2 has an upper end fixedly connected to the bottom surface of the filling mechanism 1, and a lower end extending and attached to the side wall of the inner cavity of the packaging bag. The filling bellows 2 is used to guide the liquid food into the packaging bag along the side wall of the inner cavity of the packaging bag;

[0065] The defoaming member 3 is sleeved on the outer wall of the filling bellows 2 in an interference fit manner. The defoaming member 3 is located at the bag opening of the packaging bag. The defoaming member 3 can slide up and down on the outer wall of the filling bellows 2 to adjust the position. The defoaming member 3 can be made into different sizes. The defoaming member 3 of the corresponding size is selected according to the caliber of the packaging bag. The selected defoaming member 3 fills the opening of the packaging bag as much as possible, and the defoaming member 3 is used to eliminate the bubbles at the opening of the packaging bag;

[0066] A foam absorption pipe 4, the input end of which is located at the bag opening of the packaging bag;

[0067] The foam collecting container 6 is detachably fixedly mounted on the filling mechanism 1. The upper end of the foam suction pipe 4 is fixedly connected to the foam collecting container 6. The vacuum pump 9 discharges the air in the foam collecting container 6. The foam collecting container 6 is connected to the foam suction pipe 4. A negative pressure suction force is formed at the lower end of the foam suction pipe 4. The bubbles on the liquid surface of the packaging bag opening are sucked into the foam collecting container 6 by using the negative pressure suction force.

[0068] The foam collection container 6 is fixedly connected to a vacuum pump 9 at one end away from the foam suction pipe 4, and a foam filter 91 is fixedly installed on the air inlet pipe of the vacuum pump 9. The foam filter 91 is used to filter and remove bubbles to prevent bubbles from entering the vacuum pump 9 along with the air.

[0069] In some embodiments, in order to transport the liquid food along the lower end of the inner wall of the packaging bag, reduce the height between the lower end of the filling head and the liquid surface, and reduce the amount of foam generated during the filling of the liquid food, the filling bellows 2 includes:

[0070] The connecting tube 21 is rotated so that its upper end is fixedly connected with the bottom surface of the filling mechanism 1;

[0071] The upper end of the feed pipe 22 is rotatably connected to the lower end of the rotating connecting pipe 21, and the upper end of the feed pipe 22 can be rotated on the rotating connecting pipe 21 to facilitate adjusting the direction of the inclined discharge port 24;

[0072] The middle section of the feed pipe 22 is a rubber bellows 23, which can be extended and bent, and is suitable for filling packaging bags of different sizes;

[0073] The lower end discharge port of the feed pipe 22 is an inclined discharge port 24. The design of this inclined discharge port 24 enlarges the diameter of the discharge port. The longer side of the inclined discharge port 24 fits the inner wall of the packaging bag, so that the discharged liquid food is filled along the inner wall of the packaging bag.

[0074] In some embodiments, in order to eliminate the foam at the upper opening of the packaging bag and reduce the amount of foam generated by the filling of liquid food, the defoaming member 3 includes:

[0075] The inner ring 31 is sleeved on the outer wall of the filling bellows 2 in an interference fit manner;

[0076] The outer ring 32 is coaxially arranged outside the inner ring 31;

[0077] Support rods 33 are evenly fixedly mounted between the inner ring 31 and the outer ring 32;

[0078] The inner ring 31, the outer ring 32 and the support rod 33 form a framework for installing the bubble removal net 34, and the bubble removal net 34 is supported by the framework;

[0079] A debubble net 34 is fixedly installed between the inner ring 31 and the outer ring 32. The support rod 33 passes through the debubble net 34. When bubbles contact the mesh of the debubble net 34, the surface tension of the bubbles can be eliminated, causing the bubbles to burst, thereby achieving the purpose of eliminating bubbles.

[0080] In some embodiments, in order to absorb the foam generated at the upper end of the packaging bag in time to prevent the foam from overflowing, the foam absorption pipeline 4 includes:

[0081] A hose 41, the upper end of which is fixedly connected to the foam collection container 6;

[0082] The lower end of the hose 41 is bent toward the packaging bag, and a conical nozzle 42 is fixedly mounted at the lower end of the hose 41, with the smaller end of the conical nozzle 42 facing downward, so as to more accurately absorb the foam on the liquid surface at the opening of the packaging bag;

[0083] In some embodiments, in order to collect the foam sucked by the foam suction pipe 4 and recover the liquid food after the foam is gathered and liquefied, the foam collection container 6 includes:

[0084] The collecting box 61 has one side of its bottom surface fixedly connected to the upper end of the foam suction pipe 4, and the other side of the bottom surface of the collecting box 61 is convex downward to form a liquid collecting groove 64. The collecting box 61 is used to collect bubbles sucked up from the foam suction pipe 4. The bubbles gather into foam and finally liquefy and flow into the liquid collecting groove 64.

[0085] The bottom surface of the liquid collecting groove 64 is fixedly connected with a valved liquid drain pipe 65. The valve on the valved liquid drain pipe 65 can be opened to discharge the liquid food collected in the liquid collecting groove 64, so as to recycle the liquid food.

[0086] An arc-shaped connecting plate 62 is fixedly mounted on one end of the foam collecting container 6 close to the filling mechanism 1;

[0087] A fixing bolt 63 is fixedly connected between the arc-shaped connecting plate 62 and the outer wall of the filling mechanism 1. The arc-shaped connecting plate 62 can be removed from the outer wall of the filling mechanism 1 by removing the fixing bolt 63. The operation is reversed during installation, which facilitates the removal and installation of the foam collection container 6.

[0088] In some embodiments, in order to locate the middle of the foam suction pipe 4, it also includes:

[0089] The hose positioning seat 5 comprises:

[0090] A sleeve ring 51, which is sleeved on the lower end of the outer wall of the filling mechanism 1;

[0091] The outer wall of the collar 51 is screwed with a first hand-tightening bolt 52, and the end of the first hand-tightening bolt 52 abuts against the outer wall of the filling mechanism 1. After the first hand-tightening bolt 52 is tightened, the collar 51 is fixed to the lower end of the outer wall of the filling mechanism 1, thereby positioning the positioning block 53 on the outer wall of the collar 51;

[0092] A positioning block 53 is fixedly mounted on the outer wall of the collar 51 near the foam absorption pipe 4, and through holes 54 are formed on the upper and lower surfaces of the positioning block 53;

[0093] The middle part of the foam absorption pipe 4 passes through the through hole 54 . When the position of the positioning block 53 is fixed, the position of the foam absorption pipe 4 passing through the through hole 54 on the positioning block 53 is positioned.

[0094] In some embodiments, in order to further position the middle part of the foam absorption pipe 4, an internal thread is opened on the inner wall of the through hole 54, and an external threaded sleeve 55 is fixedly sleeved on the middle part of the outer wall of the foam absorption pipe 4. The external threaded sleeve 55 is screwed on the internal thread of the inner wall of the through hole 54, and the position of the external threaded sleeve 55 is positioned. Under the premise that the external threaded sleeve 55 is sleeved on the middle part of the outer wall of the foam absorption pipe 4, the middle part of the foam absorption pipe 4 is further positioned to ensure that the lower end of the foam absorption pipe 4 is stably placed at the opening of the packaging bag.

[0095] In some embodiments, in order to achieve the rotational connection between the rotating connecting tube 21 and the feeding tube 22, a rotational connection structure 8 is installed between the lower end of the rotating connecting tube 21 and the upper end of the feeding tube 22. The rotational connection structure 8 includes:

[0096] An annular groove 81 is formed at the upper edge of the outer wall of the feed pipe 22;

[0097] An annular groove 82 is formed at the lower end of the inner wall of the annular groove 81;

[0098] The lower end of the inner wall of the rotating connecting pipe 21 is integrally formed with an annular rib, and the upper edge of the inner ring surface of the annular rib is integrally formed with an annular protrusion 83;

[0099] The annular protrusion 83 is movably engaged in the annular groove 82, and the above design is used to rotatably connect the rotating connecting tube 21 and the feeding tube 22;

[0100] A limiting ring 84 is welded to the upper end of the inner wall of the annular groove 81, and the bottom surface of the limiting ring 84 abuts against the annular rib. The blocking and limiting of the limiting ring 84 improves the firmness of the connection between the rotating connecting tube 21 and the feed tube 22, thereby ensuring the stability of the connection between the rotating connecting tube 21 and the feed tube 22.

[0101] In some embodiments, in order to fill the liquid food, the filling mechanism 1 includes:

[0102] The filling cylinder 11 has sealing design at both the upper and lower ends;

[0103] The upper end of the outer wall of the filling cylinder 11 is fixedly connected with a feed pipe 12 with a valve;

[0104] The upper end of the filling bellows 2 is fixedly connected to the bottom surface of the filling cylinder 11 .

[0105] In some embodiments, in order to facilitate the connection and fixation between the filling mechanism and the external device, the upper end of the filling cylinder 11 is fixedly equipped with a connector 7, and the connector 7 includes:

[0106] A connecting flange 71, which is fixedly connected to the upper end of the filling cylinder 11 by bolts;

[0107] A connecting pipe 73 is welded to the inner annular surface of the connecting flange 71;

[0108] The outer wall of the connecting tube 73 is evenly screwed with the second hand-tightening bolt 72, and the end of the second hand-tightening bolt 72 extends into the interior of the connecting tube 73; the external device may be a lifting device, a moving device, etc., and the connecting end of the external device is inserted into the connecting tube 73. By tightening the second hand-tightening bolt 72, the end of the second hand-tightening bolt 72 is abutted against the outer wall of the connecting end of the external device, thereby achieving a convenient fixed connection.

[0109] When the external device is connected and fixed, the connector 7 can also be removed and connected and fixed by other methods such as direct welding, adhesive fixing, etc.

[0110] Working principle:

[0111] The filling bellows 2 has an upper end fixedly connected to the bottom surface of the filling mechanism 1, and a lower end extending and attached to the side wall of the inner cavity of the packaging bag. The filling bellows 2 is used to guide the liquid food into the packaging bag along the side wall of the inner cavity of the packaging bag, thereby reducing the amount of bubbles generated during the filling process;

[0112] The defoaming member 3 can slide up and down on the outer wall of the filling bellows 2 to adjust the position. The defoaming member 3 can be made into different sizes. The defoaming member 3 of the corresponding size is selected according to the caliber of the packaging bag. The selected defoaming member 3 fills the opening of the packaging bag as much as possible, and the defoaming member 3 is used to eliminate the bubbles at the opening of the packaging bag;

[0113] The upper end of the foam absorption pipe 4 is fixedly connected to the foam collecting container 6, and the vacuum pump 9 discharges the air in the foam collecting container 6. The foam collecting container 6 is connected to the foam absorption pipe 4, and negative pressure suction is formed at the lower end of the foam absorption pipe 4. The bubbles on the liquid surface of the packaging bag opening are sucked into the foam collection container 6 by using this negative pressure suction.

[0114] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A packaging bag filling machine for food production, characterized in that: include: Filling mechanism (1); A filling bellows (2), the upper end of which is fixedly connected to the bottom surface of the filling mechanism (1), and the lower end of which extends and fits on the side wall of the inner cavity of the packaging bag; A defoaming member (3) is sleeved on the outer wall of the filling bellows (2) in an interference fit manner, and the defoaming member (3) is located at the bag opening of the packaging bag; A foam absorption pipe (4), the input end of which is located at the bag opening of the packaging bag; A foam collecting container (6) is detachably fixedly mounted on the filling mechanism (1), and the upper end of the foam suction pipe (4) is fixedly connected to the foam collecting container (6); The foam collection container (6) is fixedly connected to an end thereof which is away from the foam absorption pipe (4) and is connected to a vacuum pump (9), and a foam filter (91) is fixedly mounted on the air inlet pipe of the vacuum pump (9).

2. A food production packaging bag filling machine according to claim 1, characterized in that: The filling bellows (2) comprises: The connecting tube (21) is rotated so that the upper end thereof is fixedly connected to the bottom surface of the filling mechanism (1); A feed pipe (22), the upper end of which is rotatably connected to the lower end of the rotatable connecting pipe (21); The middle section of the feed pipe (22) is a rubber bellows (23); The discharge port at the lower end of the feed pipe (22) is an inclined discharge port (24).

3. A food production packaging bag filling machine according to claim 1, characterized in that: The defoaming member (3) comprises: An inner ring (31) is sleeved on the outer wall of the filling bellows (2) in an interference fit manner; An outer ring (32) is coaxially arranged outside the inner ring (31); Support rods (33) are evenly fixedly mounted between the inner ring (31) and the outer ring (32); A bubble removal net (34) is fixedly mounted between the inner ring (31) and the outer ring (32), and the support rod (33) passes through the bubble removal net (34).

4. A food production packaging bag filling machine according to claim 1, characterized in that: The foam absorption pipeline (4) comprises: A hose (41), the upper end of which is fixedly connected to the foam collection container (6); The lower end of the hose (41) is bent toward the packaging bag, and a conical nozzle (42) is fixedly mounted on the lower end of the hose (41).

5. A food production packaging bag filling machine according to claim 1, characterized in that: The foam collection container (6) comprises: A collecting box (61), one side of the bottom surface of which is fixedly connected to the upper end of the foam absorption pipe (4), and the other side of the bottom surface of the collecting box (61) is convex downward to form a liquid collecting groove (64); The bottom surface of the liquid collecting groove (64) is fixedly connected to a liquid drain pipe (65) with a valve; The foam collection container (6) is fixedly equipped with an arc-shaped connecting plate (62) at one end close to the filling mechanism (1); A fixing bolt (63) is fixedly connected between the arc-shaped connecting plate (62) and the outer wall of the filling mechanism (1).

6. A food production packaging bag filling machine according to claim 1, characterized in that: Also includes: The hose positioning seat (5) comprises: A sleeve ring (51) sleeved on the lower end of the outer wall of the filling mechanism (1); A first hand-tightening bolt (52) is screwed onto the outer wall of the collar (51), and the end of the first hand-tightening bolt (52) abuts against the outer wall of the filling mechanism (1); A positioning block (53) is fixedly mounted on the outer wall of the collar (51) near the foam absorption pipe (4), and through holes (54) are formed on the upper and lower surfaces of the positioning block (53); The middle portion of the foam absorption pipe (4) passes through the through hole (54).

7. A food production packaging bag filling machine according to claim 6, characterized in that: The inner wall of the through hole (54) is provided with an internal thread, and the middle part of the outer wall of the foam absorption pipe (4) is fixedly sleeved with an external threaded sleeve (55), and the external threaded sleeve (55) is screwed onto the internal thread of the inner wall of the through hole (54).

8. A food production packaging bag filling machine according to claim 2, characterized in that: A rotating connecting structure (8) is installed between the lower end of the rotating connecting pipe (21) and the upper end of the feeding pipe (22), and the rotating connecting structure (8) comprises: An annular groove (81) is formed on the upper edge of the outer wall of the feed pipe (22); An annular clamping groove (82) is formed at the lower end of the inner wall of the annular groove (81); The lower end of the inner wall of the rotating connecting tube (21) is integrally formed with an annular rib, and the upper edge of the inner ring surface of the annular rib is integrally formed with an annular protrusion (83); The annular protrusion (83) is movably engaged in the annular engagement groove (82); A limiting ring (84) is welded to the upper end of the inner wall of the annular groove (81), and the bottom surface of the limiting ring (84) abuts against the annular retaining edge.

9. A food production packaging bag filling machine according to claim 1, characterized in that: The filling mechanism (1) comprises: The filling cylinder (11) is designed with sealing at both the upper and lower ends; The upper end of the outer wall of the filling cylinder (11) is fixedly connected to a feed pipe (12) with a valve; The upper end of the filling bellows (2) is fixedly connected to the bottom surface of the filling cylinder (11).

10. A food production packaging bag filling machine according to claim 9, characterized in that: The upper end of the filling cylinder (11) is fixedly equipped with a connector (7), and the connector (7) comprises: A connecting flange (71) which is fixedly connected to the upper end of the filling cylinder (11) by means of bolts; A connecting pipe (73) is welded to the inner annular surface of the connecting flange (71); The outer wall of the connecting pipe (73) is evenly threaded with second hand-tightened bolts (72), and the ends of the second hand-tightened bolts (72) extend into the interior of the connecting pipe (73).