Nozzle mounting device and charging machine

By using the hinged ball and flexible component design of the nozzle mounting device, the problems of nozzle loosening and positional displacement caused by vibration are solved, achieving stable spray angle and uniform spraying of the liquid, thus improving the quality stability of tobacco feeding.

CN224167798UActive Publication Date: 2026-04-28CHINA TOBACCO JIANGSU INDAL
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA TOBACCO JIANGSU INDAL
Filing Date
2025-03-18
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

In the prior art, the nozzle is prone to loosening and displacement due to the impact and vibration of the material cylinder, which causes the spray position to deviate from the process requirements and affects the uniformity of tobacco feeding.

Method used

The nozzle mounting device includes a mounting component, a fixing component, and a nozzle fixing unit. Through the combination design of hinged ball and flexible component, clamping and tensioning forces are used to keep the nozzle angle stable and prevent loosening and position displacement caused by vibration.

Benefits of technology

Effectively fixing the nozzle ensures that the spray angle remains constant, improves the uniformity of liquid spraying, avoids nozzle position deviation caused by vibration, and enhances the quality stability of tobacco feeding.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224167798U_ABST
    Figure CN224167798U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of charging machines, and discloses a nozzle installation device and a charging machine, the nozzle installation device comprises an installation part, a fixing part and at least one nozzle fixing unit, the installation part is provided with a rotatable hinge ball, the fixing part is detachably installed on the installation part, and the nozzle fixing unit is arranged on the installation part. The nozzle fixing unit comprises a rotating cylinder and a flexible part, the rotating cylinder is rotationally connected to the mounting part through a one-way rotating part, one end of the flexible part is fixed to the rotating cylinder, and the other end of the flexible part is fixedly connected with the end, away from the spraying end of the flexible part, of the nozzle. And the one-way rotating part is used for enabling the rotating drum to only rotate in the direction of tensioning the flexible part relative to the mounting part, so that the included angle between the extending direction of the nozzle and the mounting part is kept unchanged. According to the nozzle mounting device and the charging machine, the nozzle can be effectively fixed by tensioning the flexible piece, so that the angle of the nozzle is kept unchanged all the time, and the uniformity of material liquid spraying is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of feeding machine technology, and in particular to a nozzle mounting device and a feeding machine. Background Technology

[0002] In the tobacco processing industry, the feeder is a crucial piece of equipment on the production line. Its core function is to evenly apply a certain proportion of slurry to the tobacco leaves. During this process, the precision of the nozzle's spray angle and position directly affects the uniformity of tobacco feeding, and thus the quality stability of the final product.

[0003] In existing technologies, to achieve adjustable nozzle angles, the nozzle is typically fixed to a hinged ball. The nozzle is adjusted to a suitable angle by rotating the hinged ball, which is then clamped between two mounting plates to achieve single-point nozzle fixation. However, because the nozzle extends significantly beyond the mounting plate, its extended end repeatedly vibrates after being impacted by the feed cylinder. This may cause the hinged ball to rotate slightly, resulting in loosening and positional shift of the nozzle's spraying end. Consequently, the nozzle's spraying position deviates from the required process position, and some tobacco is not directly sprayed with the feed liquid, affecting the uniformity of tobacco feeding. Utility Model Content

[0004] The purpose of this invention is to provide a nozzle mounting device and a feeder that can effectively fix the nozzle, prevent the nozzle from loosening and shifting, and ensure the uniformity of the sprayed material.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] The nozzle mounting device includes:

[0007] The mounting component has a through hole, and a rotatable hinge ball is provided in the through hole. The hinge ball has a through hole for inserting a nozzle.

[0008] A fixing member is provided on one side of the mounting member in the thickness direction, which is detachably connected to the mounting member, and the hinge ball is sandwiched between the fixing member and the mounting member along the thickness direction of the mounting member;

[0009] At least one nozzle fixing unit includes a rotating cylinder and a flexible member. The rotating cylinder is rotatably connected to the mounting member via a one-way rotating member. One end of the flexible member is fixed to the rotating cylinder and then wrapped around the outer periphery of the rotating cylinder. The other end is used to fix the nozzle to the end away from its own spray end. The one-way rotating member is used to allow the rotating cylinder to rotate only relative to the mounting member in the direction of tightening the flexible member. The flexible member is used to tighten the end of the nozzle away from the spray end, so that the nozzle is fixed relative to the mounting member.

[0010] Optionally, the one-way rotating component includes a one-way bearing, one of the inner and outer rings of the one-way bearing being fixed to the mounting component, and the other being connected to the rotating drum in a way that restricts relative rotation.

[0011] Optionally, the nozzle mounting device further includes a rotating rod, one end of which is fixedly connected to the inner ring of the one-way bearing, and the other end of which forms an operating part. The rotating cylinder is sleeved on the outside of the rotating rod and is restricted to rotate relative to the rotating rod.

[0012] Optionally, the rotating drum has a through hole, the rotating rod passes through the through hole, and the contact surface between the through hole and the rotating rod has a non-circular cross-section perpendicular to the axial direction of the through hole.

[0013] Optionally, the contact surface between the through hole and the rotating rod has a hexagonal cross-section perpendicular to the axial direction of the through hole.

[0014] Optionally, the unidirectional rotating member includes:

[0015] A pawl, which is rotatably connected to the mounting component;

[0016] A ratchet is rotatably connected to a mounting component, the ratchet is fixedly connected to the rotating drum, and the ratchet is engaged with the pawl.

[0017] Optionally, the nozzle mounting device further includes a connecting sleeve, which can be fixedly fitted onto the outside of the nozzle, and one end of the flexible member is connected to the connecting sleeve.

[0018] Optionally, the inner peripheral wall of the connecting sleeve is provided with a threaded hole extending to its outer peripheral wall, and the nozzle mounting device further includes a first fastener, which is threadedly connected to the threaded hole and has one end extending into the connecting sleeve.

[0019] Optionally, the connecting sleeve is a rubber structure.

[0020] The feeding machine includes:

[0021] The nozzle mounting device;

[0022] A fixed bracket, wherein the mounting component is fixed to the fixed bracket;

[0023] The nozzle passes through the through hole and is fixedly connected to the hinge ball. The end of the nozzle away from the spray end extends out of the mounting member.

[0024] The beneficial effects of this utility model are:

[0025] The nozzle mounting device and feeder provided by this utility model involve passing the nozzle through the through hole of a hinged ball and fixing it to the hinged ball. The hinged ball is then rotatably placed in the through hole of a mounting component. The spraying end of the nozzle protrudes from one end of the through hole on the mounting component, and the end of the nozzle furthest from the spraying end protrudes from the other end of the through hole on the mounting component. Rotating the nozzle allows the angle of the nozzle to be adjusted due to the presence of the hinged ball. After adjusting the nozzle to the target angle, the hinged ball is clamped between the fixing component and the mounting component along the thickness direction using a fixing component. The clamping action fixes the hinged ball, thereby fixing the spraying end of the nozzle. After the nozzle's spray end is fixed, the rotating drum is rotated, causing the flexible component to tighten the end of the nozzle away from the spray end. The presence of the one-way rotating component prevents the rotating drum from rotating in the direction that would loosen the flexible component, thus keeping the flexible component taut. The flexible component applies a tension force to the end of the nozzle away from the spray end. Since the hinge ball is clamped between the mounting component and the fixing component, after the end of the nozzle away from the spray end is subjected to the tension force, the hinge ball will generate a reaction force on the nozzle. The reaction force is equal in magnitude and opposite in direction to the tension force, achieving a state of force balance, thereby keeping the angle and direction of the nozzle's tilt relative to the mounting component constant.

[0026] During operation, the nozzle may wobble slightly when subjected to vibration and impact. However, because the nozzle is taut by the flexible component, it cannot wobble in the opposite direction of tautness. Furthermore, the hinged ball exerts a reaction force on the nozzle after tautness. When the vibration and impact on the nozzle are in the same direction as the tautness of the flexible component, the reaction force from the hinged ball can offset most of the vibration force. Combined with the tautness of the flexible component, this ensures that the nozzle angle remains constant, and the nozzle's spray tip remains within the target spray area. Tautness of the nozzle by the flexible component effectively fixes it, preventing loosening and positional displacement due to vibration and impact, thus improving the uniformity of liquid spraying. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the nozzle mounting device provided in this embodiment of the utility model;

[0028] Figure 2 This is a partial structural schematic diagram of the nozzle mounting device and feeder provided in the embodiments of this utility model.

[0029] In the diagram: 1. Mounting component; 11. Hinge ball; 12. Base; 2. Fixing component; 3. Rotating cylinder; 4. Flexible component; 5. One-way bearing; 6. Rotating rod; 7. Connecting sleeve; 81. First fastener; 82. Second fastener; 9. Nozzle. Detailed Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, and not the entire structure.

[0031] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" 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 mechanical connection or an electrical connection; 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 this utility model based on the specific circumstances.

[0032] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0033] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, 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" and "second" are only used for distinction in description and have no special meaning.

[0034] like Figure 1-2As shown, an embodiment of this utility model provides a nozzle mounting device, including a mounting member 1, a fixing member 2, and at least one nozzle fixing unit. The mounting member 1 has a through hole, and a rotatable hinge ball 11 is provided in the through hole. The hinge ball 11 has a through hole for passing through the nozzle 9. A fixing member 2 is provided on one side of the mounting member 1 in the thickness direction and is detachably connected to the mounting member 1. The hinge ball 11 is sandwiched between the fixing member 2 and the mounting member 1 along the thickness direction of the mounting member 1. The nozzle fixing unit includes a rotating cylinder 3 and a flexible member 4. The rotating cylinder 3 is rotatably connected to the mounting member 1 through a one-way rotating member. One end of the flexible member 4 is fixed to the rotating cylinder 3 and then wrapped around the outer periphery of the rotating cylinder 3. The other end is used to fix and connect to the end of the nozzle 9 away from its own spray end. The one-way rotating member is used to make the rotating cylinder 3 only rotate relative to the mounting member 1 in the direction of tightening the flexible member 4. The flexible member 4 is used to tighten the end of the nozzle 9 away from the spray end, so that the nozzle 9 is fixed relative to the mounting member 1.

[0035] After the nozzle 9 is passed through the through hole of the hinge ball 11 and fixed to the hinge ball 11, the hinge ball 11 is rotatably placed in the through hole of the mounting member 1. The spraying end of the nozzle 9 protrudes from one end of the through hole on the mounting member 1, and the end of the nozzle 9 away from the spraying end protrudes from the other end of the through hole on the mounting member 1. Rotating the nozzle 9, the presence of the hinge ball 11 makes the angle of the nozzle 9 adjustable. After the nozzle 9 is adjusted to the target angle, the hinge ball 11 is clamped between the fixing member 2 and the mounting member 1 along the thickness direction of the mounting member 1 by the fixing member 2. The clamping action fixes the hinge ball 11, thereby fixing the spraying end of the nozzle 9. After the spray end of nozzle 9 is fixed, the rotating drum 3 is rotated so that the flexible part 4 pulls the end of nozzle 9 away from the spray end. The presence of the one-way rotating part prevents the rotating drum 3 from rotating in the direction that would loosen the flexible part 4, thus keeping the flexible part 4 in a taut state. The flexible part 4 will apply a tension force to the end of nozzle 9 away from the spray end. Since the hinge ball 11 is clamped between the mounting part 1 and the fixing part 2, after the end of nozzle 9 away from the spray end is subjected to the tension force, the hinge ball 11 will generate a reaction force on nozzle 9. The reaction force is equal in magnitude and opposite in direction to the tension force, achieving a state of force balance, thereby keeping the angle and direction of the nozzle 9 tilted relative to the mounting part 1 unchanged.

[0036] During operation, nozzle 9 may experience slight wobbling due to vibration and impact. Because nozzle 9 is tightened by the flexible component 4, it cannot wobble in the opposite direction of tightening. Furthermore, after nozzle 9 is tightened, the hinge ball 11 generates a reaction force on nozzle 9. When the vibration and impact on nozzle 9 are in the same direction as the tightening of the flexible component 4, the reaction force generated by the hinge ball 11 can offset most of the vibration force. Combined with the tightening force of the flexible component 4, this ensures that the angle of nozzle 9 remains constant, and the spraying end of nozzle 9 remains within the target spraying area. Tightening nozzle 9 by the flexible component 4 effectively fixes nozzle 9, preventing it from loosening or shifting position due to vibration and impact, thus improving the uniformity of liquid spraying.

[0037] For example, the mounting part 1 and the fixing part 2 are connected by fasteners, which facilitates disassembly.

[0038] For example, the flexible element 4 is a steel wire rope. In other embodiments, the drum 3 and the flexible element 4 may also be an integral winch.

[0039] It should be noted that the nozzle 9 sprays along its axial direction, and the airflow sprayed by the nozzle 9 will exert a force on the nozzle 9 in the direction away from the spray end along its axial direction, which will not affect the tension of the flexible part 4.

[0040] For example, such as Figure 2 As shown, two nozzle fixing units are provided, arranged circumferentially around the nozzle 9. One nozzle fixing unit is located directly above the nozzle 9. Due to the gravity of the nozzle 9 itself, it can pull the nozzle 9 upward in the vertical direction, overcoming the downward displacement of the nozzle 9 due to gravity. The resultant force of the tensioning force exerted on the nozzle 9 by the two flexible parts 4 is balanced with the reaction force generated by the hinge ball 11 on the nozzle 9, so that the spraying end of the nozzle 9 can spray liquid towards the target area. Setting two nozzle fixing units can better overcome the vibration forces from different directions, improve the connection stability of the nozzle 9, make the nozzle 9 more fixed, and reduce loosening and positional displacement caused by vibration and impact.

[0041] It should be noted that in other embodiments, the nozzle fixing unit may be provided as one, three, or more.

[0042] Furthermore, the one-way rotating component includes a one-way bearing 5, one of the inner and outer rings of which is fixed to the mounting component 1, and the other is connected to the rotating drum 3 with its relative rotation restricted. Utilizing the one-way rotation function of the one-way bearing 5, the flexible component 4 is kept taut by rotating the rotating drum 3, ensuring that the nozzle 9 angle is fixed.

[0043] For example, such as Figure 1 , 2As shown, the mounting component 1 is fixedly connected to the base 12. A second fastener 82 passes through the base 12 and is threaded onto the mounting component 1. The outer ring of the one-way bearing 5 is interference-fitted with the inner wall of the base 12. The rotating cylinder 3 is fixedly connected to the inner ring of the one-way bearing 5. In other embodiments, the inner ring of the one-way bearing 5 is fixedly sleeved on the outside of the base 12, and the rotating cylinder 3 is fixedly connected to the outer ring of the one-way bearing 5.

[0044] In other embodiments, the unidirectional rotating component may also include a pawl and a ratchet. The pawl is rotatably connected to the mounting component 1, and the ratchet is rotatably connected to the mounting component 1. The ratchet and the rotating drum 3 are fixedly connected, and the pawl always abuts against the outer peripheral wall of the ratchet. The pawl can restrict the unidirectional rotation of the ratchet so that the ratchet can only rotate relative to the mounting component 1 in the direction of tightening the flexible component 4. By rotating the rotating drum 3, the flexible component 4 is kept in a taut state, ensuring that the angle of the nozzle 9 is fixed.

[0045] Furthermore, the nozzle mounting device also includes a rotating rod 6, one end of which is fixedly connected to the inner ring of the one-way bearing 5, and the other end of which forms an operating part. The rotating cylinder 3 is sleeved on the outside of the rotating rod 6 and is restricted to rotate relative to the rotating rod 6.

[0046] like Figure 1 As shown, the outer ring of the one-way bearing 5 is interference-fitted with the inner wall of the base 12, and one end of the rotating rod 6 is interference-fitted with the inner ring of the one-way bearing 5. By rotating the operating part of the rotating rod 6, the rotating drum 3 is driven to rotate to tighten the flexible part 4, which is convenient to operate.

[0047] Furthermore, the rotating cylinder 3 is provided with a through hole, and the rotating rod 6 passes through the through hole. The contact surface between the through hole and the rotating rod 6 is non-circular in cross section perpendicular to the axis of the through hole.

[0048] For example, the through hole is a hexagonal hole, and the outer peripheral wall of the rotating rod 6 is provided with a hexagonal protrusion. The rotating rod 6 passes through the through hole, and the hexagonal protrusion is inserted into the hexagonal hole. The hexagonal protrusion of the rotating rod 6 can restrict the rotation of the rotating cylinder 3 relative to the rotating rod 6, so that the rotating cylinder 3 rotates synchronously with the rotating rod 6. During the rotation, the rotating rod 6 is subjected to uniform force. In other embodiments, the through hole can also be a spline hole, and the rotating rod 6 is provided with a spline that mates with the spline hole, so that the force is uniform.

[0049] Furthermore, the nozzle mounting device also includes a connecting sleeve 7, which can be fixedly sleeved on the outside of the nozzle 9, and one end of the flexible member 4 is connected to the connecting sleeve 7. By fixing the connecting sleeve 7 on the outside of the nozzle 9, the flexible member 4 applies a force to the connecting sleeve 7, which increases the contact area of ​​the nozzle 9 and avoids the flexible member 4 directly applying a force to the nozzle 9, thereby extending the service life of the nozzle 9.

[0050] Furthermore, the inner peripheral wall of the connecting sleeve 7 is provided with a threaded hole extending to its outer peripheral wall. The nozzle mounting device also includes a first fastener 81, which is threadedly connected to the threaded hole and has one end extending into the connecting sleeve 7. For example, one first fastener 81 is provided, which presses the nozzle 9 against the inner peripheral wall of the connecting sleeve 7, making the connecting sleeve 7 and the nozzle 9 a single unit. The flexible member 4 can simultaneously tighten the connecting sleeve 7 and the nozzle 9, allowing the connecting sleeve 7 to protect the nozzle 9 and extend its service life. In other embodiments, multiple first fasteners 81 can also be provided, spaced apart circumferentially along the connecting sleeve 7. These multiple first fasteners 81 pass through multiple threaded holes and press against the outer peripheral wall of the nozzle 9, clamping the nozzle 9 and improving the connection stability between the connecting sleeve 7 and the nozzle 9.

[0051] In other embodiments, the first fastener 81 may also pass through the connecting sleeve 7 and be threaded onto the nozzle 9.

[0052] Furthermore, the connecting sleeve 7 is a rubber structure.

[0053] like Figure 2 As shown, an embodiment of the present invention provides a feeding machine, including the above-mentioned nozzle mounting device, fixed bracket and nozzle 9. The mounting part 1 is fixed to the fixed bracket, the nozzle 9 passes through the through hole, the nozzle 9 is fixedly connected to the hinge ball 11, and the end of the nozzle 9 away from the spray end extends out of the mounting part 1.

[0054] After the nozzle 9 is fixed to the mounting part 1 by the nozzle mounting device, the angle of the nozzle 9 remains unchanged. The spraying end of the nozzle 9 can spray the liquid onto the material in the target area, ensuring the uniformity of the liquid spraying.

[0055] Specifically, the through hole is a threaded hole, and the nozzle 9 is threadedly connected to the through hole. As an alternative, the nozzle 9 can also be inserted into the through hole with an interference fit.

[0056] When the angle of nozzle 9 needs to be readjusted according to actual needs, the unidirectional rotational action of the unidirectional rotating component on the rotating drum 3 must first be released, so that the rotating drum 3 can rotate relative to the mounting component 1 in the direction of the loosening flexible component 4. For example... Figure 1As shown, taking the one-way bearing 5 as an example, the rotating cylinder 3 is moved along the axial direction of the rotating rod 6 or the rotating rod 6 is pulled out by force along the axial direction of the rotating rod 6, so that the hexagonal hole of the rotating cylinder 3 is separated from the hexagonal protrusion of the rotating rod 6, and the rotating cylinder 3 can rotate relative to the rotating rod 6. The rotating cylinder 3 rotates in the direction of relaxing the flexible member 4, and the flexible member 4 is in a relaxed state. The flexible member 4 is relaxed relative to the nozzle 9, and the tension force acting on the nozzle 9 disappears. Then, the fasteners fixed to the fixing member 2 and the mounting member 1 are loosened, so that the hinge ball 11 can rotate in the through hole of the mounting member 1. After the nozzle 9 is rotated to a suitable angle, the fasteners are tightened again, so that the mounting member 1 and the fixing member 2 clamp the hinge ball 11 to fix the nozzle 9. Then, the hexagonal hole of the rotating cylinder 3 contacts the hexagonal protrusion of the rotating rod 6, and the rotating cylinder 3 is rotated in the direction of tightening the flexible member 4. The flexible member 4 will tighten the end of the nozzle 9 away from the spray end, thereby effectively fixing the nozzle 9. In other embodiments, taking the use of a ratchet and pawl as an example, the ratchet and pawl can be separated so that the ratchet can rotate in the direction of relaxing the flexible member 4.

[0057] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A nozzle mounting device, characterized in that, include: Mounting component (1), the mounting component (1) is provided with a through hole, the through hole is provided with a rotatable hinge ball (11), the hinge ball (11) is provided with a through hole for inserting a nozzle (9); The fixing member (2) is provided on one side of the mounting member (1) in the thickness direction and is detachably connected to the mounting member (1). The hinge ball (11) is sandwiched between the fixing member (2) and the mounting member (1) along the thickness direction of the mounting member (1). At least one nozzle fixing unit, the nozzle fixing unit includes a rotating cylinder (3) and a flexible member (4), the rotating cylinder (3) is rotatably connected to the mounting member (1) through a one-way rotating member; one end of the flexible member (4) is fixed to the rotating cylinder (3) and then wrapped around the outer periphery of the rotating cylinder (3), and the other end is used to fixally connect to the end of the nozzle (9) away from its own spray end, the one-way rotating member is used to make the rotating cylinder (3) only able to rotate relative to the mounting member (1) in the direction of tightening the flexible member (4), the flexible member (4) is used to tighten the end of the nozzle (9) away from the spray end, so that the nozzle (9) is fixed relative to the mounting member (1).

2. The nozzle mounting device according to claim 1, characterized in that, The one-way rotating component includes a one-way bearing (5), one of the inner and outer rings of the one-way bearing (5) is fixed to the mounting component (1), and the other is connected to the rotating cylinder (3) with relative rotation restricted.

3. The nozzle mounting device according to claim 2, characterized in that, The nozzle mounting device also includes a rotating rod (6), one end of which is fixedly connected to the inner ring of the one-way bearing (5), and the other end of which forms an operating part. The rotating cylinder (3) is sleeved on the outside of the rotating rod (6) and is restricted to rotate relative to the rotating rod (6).

4. The nozzle mounting device according to claim 3, characterized in that, The rotating drum (3) is provided with a through hole, and the rotating rod (6) passes through the through hole. The contact surface between the through hole and the rotating rod (6) is non-circular in cross section perpendicular to the axis of the through hole.

5. The nozzle mounting device according to claim 4, characterized in that, The contact surface between the through hole and the rotating rod (6) has a hexagonal cross section perpendicular to the axis of the through hole.

6. The nozzle mounting device according to claim 1, characterized in that, The unidirectional rotating component includes: A pawl, which is rotatably connected to the mounting component (1); The ratchet is rotatably connected to the mounting component (1), and the ratchet and the rotating cylinder (3) are fixedly connected. The pawl always abuts against the outer peripheral wall of the ratchet.

7. The nozzle mounting device according to claim 1, characterized in that, The nozzle mounting device further includes a connecting sleeve (7), which can be fixedly sleeved on the outside of the nozzle (9), and one end of the flexible member (4) is connected to the connecting sleeve (7).

8. The nozzle mounting device according to claim 7, characterized in that, The inner peripheral wall of the connecting sleeve (7) is provided with a threaded hole that extends to its outer peripheral wall. The nozzle mounting device also includes a first fastener (81), which is threadedly connected to the threaded hole and has one end extending into the connecting sleeve (7).

9. The nozzle mounting device according to claim 7, characterized in that, The connecting sleeve (7) is made of rubber.

10. A feeding machine, characterized in that, include: The nozzle mounting device as described in any one of claims 1-9; A fixed bracket, wherein the mounting component (1) is fixed to the fixed bracket; The nozzle (9) passes through the through hole and is fixedly connected to the hinge ball (11). The end of the nozzle (9) away from the spray end extends out of the mounting member (1).