Backflow prevention mechanism for liquid fertilizer bagging machine

By using a flat-nozzle discharge nozzle and a double heat-sealing block sealing mechanism on the liquid fertilizer bagging machine, the problems of fertilizer liquid backflow and incomplete sealing are solved, achieving effective prevention of fertilizer liquid and comprehensive sealing, extending equipment life and improving product quality.

CN223751269UActive Publication Date: 2026-01-02TIAN GUANJIA CHEMICAL (XIANGYANG) CO LTD
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Patent Information

Application Number
CN202520141365.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-01-02
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Traditional liquid fertilizer bagging machines suffer from problems such as fertilizer liquid backflow, incomplete sealing, and uneven bag opening, leading to resource waste, equipment corrosion, and decreased product quality.

Method used

It adopts a flat-nozzle-shaped discharge nozzle and a double heat-sealing block sealing mechanism. The flat-nozzle-shaped discharge nozzle prevents fertilizer liquid from flowing back, and the double heat-sealing block ensures a complete and flat seal at the bag opening.

Benefits of technology

It effectively prevents fertilizer liquid from flowing back, prevents equipment corrosion, improves sealing quality, reduces waste, and enhances production efficiency and product safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223751269U_ABST
Patent Text Reader

Abstract

The utility model relates to an anti-backflow mechanism for a liquid fertilizer bagging machine, which comprises a bagging machine body, a sealing mechanism is arranged in the bagging machine body, the anti-backflow mechanism is arranged at one end of the bagging machine body, the anti-backflow mechanism comprises a discharging pipe arranged at one end of the bagging machine body, and the bottom of the discharging pipe is fixedly connected with a discharging nozzle. The discharging nozzle is a flat nozzle, the sealing mechanism comprises a first heat sealing block and a second heat sealing block which are arranged at one end of the bagging machine body, and each of the first heat sealing block and the second heat sealing block is provided with an upper sealing area and a lower sealing area. According to the backflow prevention mechanism for the liquid chemical fertilizer bagging machine, by arranging the flat-mouth-shaped discharging mouth, after chemical fertilizer liquid flows out, certain resistance can be formed due to the special shape of the flat mouth, backflow of the chemical fertilizer liquid in a pipeline is effectively prevented, waste of raw materials is reduced, corrosion of the chemical fertilizer liquid to the pipeline and equipment is avoided, and the service life of the chemical fertilizer bagging machine is prolonged. And the service life of the equipment is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chemical fertilizer bagging machine, specifically to a backflow prevention mechanism for liquid chemical fertilizer bagging machine. BACKGROUND

[0002] In agricultural production, the bagging of liquid chemical fertilizer is an important link in the production process of chemical fertilizer. The traditional liquid chemical fertilizer bagging machine often faces the problem of backflow of chemical liquid in the conveying pipeline during use. The backflow of chemical liquid not only fails to meet the requirements of bagging, but also has certain resistance, wasting resources, and may cause damage to the pipeline and equipment due to the corrosiveness of chemical fertilizer, increasing maintenance costs. In addition, the existing bagging machine often has problems such as loose sealing and uneven cutting of the bag opening during sealing, affecting the storage and transportation of bagged chemical fertilizer and reducing the market competitiveness of the product. Therefore, a backflow prevention mechanism for liquid chemical fertilizer bagging machine is proposed to solve the above problems. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a backflow prevention mechanism for liquid chemical fertilizer bagging machine, which has the advantages of good bagging effect and strong practicality, and solves the problems mentioned in the background.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a backflow prevention mechanism for liquid chemical fertilizer bagging machine, comprising a bagging machine body, a sealing mechanism is arranged inside the bagging machine body, and a backflow prevention mechanism is arranged at one end of the bagging machine body.

[0005] The backflow prevention mechanism comprises a discharge pipe arranged at one end of the bagging machine body, a discharge nozzle is fixedly connected to the bottom of the discharge pipe, and the discharge nozzle is a flat nozzle.

[0006] The sealing mechanism comprises a first heat sealing block and a second heat sealing block arranged at one end of the bagging machine body, the first heat sealing block and the second heat sealing block are both provided with upper sealing zones and lower sealing zones, the outer surfaces of the first heat sealing block and the second heat sealing block are both provided with sealing grooves, a cutter is fixedly connected inside the first heat sealing block, and a fixed seat is fixedly connected inside the second heat sealing block.

[0007] Further, the driving member inside the bagging machine body drives the second heat sealing block to move for heat sealing.

[0008] Further, the cutter and the fixed seat are on the same horizontal line.

[0009] Compared with the prior art, the technical scheme of the present application has the following advantages:

[0010] 1. The backflow prevention mechanism for the liquid chemical fertilizer bagging machine, by setting the flat nozzle-shaped discharge nozzle, after the chemical fertilizer liquid flows out, due to the special shape of the flat nozzle, a certain resistance can be formed, effectively preventing the backflow of the chemical fertilizer liquid in the pipeline, which not only reduces the waste of raw materials, but also avoids the corrosion of the chemical fertilizer liquid to the pipeline and equipment, prolongs the service life of the equipment.

[0011] 2. The backflow prevention mechanism for the liquid chemical fertilizer bagging machine, the sealing mechanism adopts a first heat sealing block and a second heat sealing block, both of which are provided with upper sealing zones and lower sealing zones, to ensure comprehensive and firm sealing, and the cutter fixedly connected inside the first heat sealing block and the fixed seat inside the second heat sealing block are on the same horizontal line, which can cut the bag opening flat while sealing, avoiding the problems of loose sealing and uneven cutting of the bag opening, and improving the storage and transportation safety of the bagged chemical fertilizer. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic view of the utility model structure;

[0013] Figure 2 It is another perspective view of the utility model;

[0014] Figure 3 It is a sealing mechanism schematic view of the utility model;

[0015] Figure 4 It is a schematic view of the utility model Figure 2 It is an enlarged schematic view of A in the utility model.

[0016] In the figure: 1 bagging machine body, 2 sealing mechanism, 201 first heat sealing block, 202 second heat sealing block, 203 cutter, 204 fixed seat, 205 sealing groove, 3 backflow prevention mechanism, 301 discharge pipe, 302 discharge nozzle. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0018] Please refer to Figures 1-4 A backflow prevention mechanism for a liquid chemical fertilizer bagging machine in the embodiment, which comprises a bagging machine body 1, a sealing mechanism 2 is arranged inside the bagging machine body 1, and a backflow prevention mechanism 3 is arranged at one end of the bagging machine body 1.

[0019] The anti-backflow mechanism 3 comprises a discharging pipe 301 arranged at one end of the bagging machine body 1, and a discharging nozzle 302 fixedly connected to the bottom of the discharging pipe 301.

[0020] The special shape of the discharging nozzle 302 can form a certain resistance after the liquid fertilizer flows out, effectively preventing the backflow of the liquid fertilizer in the pipeline, which not only reduces the waste of raw materials, but also avoids the corrosion of the liquid fertilizer to the pipeline and equipment, prolonging the service life of the equipment.

[0021] Secondly, the sealing mechanism 2 comprises a first heat sealing block 201 and a second heat sealing block 202 arranged at one end of the bagging machine body 1, and the first heat sealing block 201 and the second heat sealing block 202 are both provided with upper sealing areas and lower sealing areas, which can be used to seal the bottom and top of the packaging bag. The outer surfaces of the first heat sealing block 201 and the second heat sealing block 202 are both provided with sealing grooves 205, the first heat sealing block 201 is fixedly connected with a cutter 203 inside, and the second heat sealing block 202 is fixedly connected with a fixed seat 204 inside, which can cut the packaging bag.

[0022] The sealing mechanism 2 adopts the first heat sealing block 201 and the second heat sealing block 202, both of which are provided with upper sealing areas and lower sealing areas to ensure comprehensive and firm sealing. Meanwhile, the cutter 203 fixedly connected inside the first heat sealing block 201 and the fixed seat 204 inside the second heat sealing block 202 are on the same horizontal line, which can cut the bag opening flatly while sealing, avoiding the problems of loose sealing and uneven cutting of the bag opening, and improving the storage and transportation safety of the bagged fertilizer.

[0023] In addition, the driving member inside the bagging machine body 1 drives the second heat sealing block 202 to move for heat sealing. The driving member inside the bagging machine body 1 drives the second heat sealing block to move for heat sealing, which has high automation, reduces manual operation, and improves production efficiency. At the same time, stable sealing quality also reduces the generation of unqualified products, further improving the overall production efficiency.

[0024] The working principle of the above embodiment is as follows:

[0025] (1) The anti-backflow mechanism for the liquid fertilizer bagging machine comprises a discharging nozzle 302 in the shape of a flat nozzle, which can form a certain resistance after the liquid fertilizer flows out due to the special shape of the flat nozzle, effectively preventing the backflow of the liquid fertilizer in the pipeline, which not only reduces the waste of raw materials, but also avoids the corrosion of the liquid fertilizer to the pipeline and equipment, prolonging the service life of the equipment.

[0026] (2) The backflow prevention mechanism for the liquid chemical fertilizer bagging machine, the sealing mechanism 2 adopts the first heat sealing block 201 and the second heat sealing block 202, and the first heat sealing block 201 and the second heat sealing block 202 are both provided with upper sealing zones and lower sealing zones, so that the sealing is comprehensive and firm, and meanwhile, the cutter 203 fixedly connected in the first heat sealing block 201 and the fixed seat 204 in the second heat sealing block 202 are in the same horizontal line, so that the bag opening can be cut flat while being sealed, the problems of loose sealing and uneven cutting of the bag opening are avoided, and the storage and transportation safety of the bagged chemical fertilizer is improved.

[0027] It should be noted that, in this document, the terms "first" and "second" and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... a" does not, without more limitations, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A backflow prevention mechanism for a liquid fertiliser bagging machine comprising a bagging machine body (1) characterised in that: The bagging machine body (1) is internally provided with a sealing mechanism (2), and one end of the bagging machine body (1) is provided with an anti-backflow mechanism (3); The anti-backflow mechanism (3) comprises a discharging pipe (301) arranged at one end of the bagging machine body (1), and the bottom of the discharging pipe (301) is fixedly connected with a discharging nozzle (302), and the discharging nozzle (302) is a flat nozzle; The sealing mechanism (2) comprises a first heat sealing block (201) and a second heat sealing block (202) arranged at one end of the bagging machine body (1), the first heat sealing block (201) and the second heat sealing block (202) are both provided with upper sealing zones and lower sealing zones, the outer surfaces of the first heat sealing block (201) and the second heat sealing block (202) are both provided with sealing grooves (205), the inside of the first heat sealing block (201) is fixedly connected with a cutter (203), and the inside of the second heat sealing block (202) is fixedly connected with a fixing seat (204).

2. A backflow prevention mechanism for a liquid chemical bagging machine according to claim 1, characterized in that: The driving element inside the bagging machine body (1) drives the second heat sealing block (202) to move for heat sealing.

3. A backflow prevention mechanism for a liquid chemical bagging machine according to claim 1, characterized in that: The cutter (203) and the fixing seat (204) are on the same horizontal line.