阅读说明：本技术 一种涂布糊状物敷料加工装置 (Coating paste dressing processing device ) 是由 滕文慧 王乃东 万德红 付军桦 房晶 于 2021-07-01 设计创作，主要内容包括：本发明提供一种涂布糊状物敷料加工装置,涉及药膏均匀涂布技术领域,包括外筒、内筒和输料管；所述壳体内部为中空状,且电机呈倒置状固定安装在壳体顶侧；所述外筒内部为中空状,且外筒与壳体相连；所述内筒内部为中空状,且内筒与外筒相连,并且大弹簧安装在内筒底部内；所述输料管与内筒相连,且输料管顶端与伸缩软管相连,伸缩软管位于内筒顶部内；本发明通过电机带动外筒转动,外筒带动内筒转动,内筒带动输料管,输料管进一步带动涂料管贴合在涂布顶侧逆时针转动,涂料管将排料孔所排出的糊状敷料呈圆形涂抹在涂布上,转动状态的涂料管将糊状敷料分别推赶至外围和中心部位,保障涂布顶侧糊状敷料涂抹效果。(The invention provides a processing device for coating a pasty dressing, which relates to the technical field of uniform coating of ointment and comprises an outer cylinder, an inner cylinder and a conveying pipe; the interior of the shell is hollow, and the motor is fixedly arranged on the top side of the shell in an inverted shape; the inner part of the outer cylinder is hollow, and the outer cylinder is connected with the shell; the inner cylinder is hollow, the inner cylinder is connected with the outer cylinder, and the large spring is arranged in the bottom of the inner cylinder; the conveying pipe is connected with the inner cylinder, the top end of the conveying pipe is connected with the telescopic hose, and the telescopic hose is positioned in the top of the inner cylinder; according to the invention, the motor drives the outer cylinder to rotate, the outer cylinder drives the inner cylinder to rotate, the inner cylinder drives the material conveying pipe, the material conveying pipe further drives the coating pipe to be attached to the coating top side to rotate anticlockwise, the coating pipe coats the pasty dressing discharged from the discharge hole on the coating in a circular shape, and the rotating coating pipe respectively pushes the pasty dressing to the periphery and the central part, so that the coating effect of the pasty dressing on the coating top side is ensured.)

1. A coating paste dressing processingequipment which characterized in that: comprises a shell (1);

the interior of the shell (1) is hollow, and the motor (2) is fixedly arranged on the top side of the shell (1) in an inverted shape;

the inner part of the outer cylinder (4) is hollow, and the outer cylinder (4) is connected with the shell (1);

the inner cylinder (6) is hollow, the inner cylinder (6) is connected with the outer cylinder (4), and the large spring (8) is arranged in the bottom of the inner cylinder (6);

the conveying pipe (7), the conveying pipe (7) is connected with the inner cylinder (6), the top end of the conveying pipe (7) is connected with the flexible hose (9), and the flexible hose (9) is positioned in the top of the inner cylinder (6);

the rotary connector (10), the rotary connector (10) is connected into the top of the shell (1), and the bottom end of the rotary connector (10) is connected into the top of the outer barrel (4);

the coating pipe (14), the coating pipe (14) is communicated with the bottom end of the conveying pipe (7).

2. The coating paste dressing processing apparatus according to claim 1, wherein: the coating pipe (14) is of an S-shaped structure, two groups of discharge holes (1401) are formed in the outer side of the coating pipe (14) at equal intervals, and the top end of the coating pipe (14) is communicated with the material conveying pipe (7).

3. The coating paste dressing processing apparatus according to claim 1, wherein: the outer cylinder (4) is rotatably connected inside the shell (1), the inner cylinder (6) is connected inside the outer cylinder (4), and the material conveying pipe (7) is connected inside the inner cylinder (6).

4. The coating paste dressing processing apparatus according to claim 1, wherein: install driving gear (3) on motor (2) drive shaft, driving gear (3) rotate in casing (1), and urceolus (4) outside is equipped with driven gear (403), and driven gear (403) are located casing (1), and driving gear (3) and driven gear (403) mesh mutually.

5. The coating paste dressing processing apparatus according to claim 1, wherein: the inner side of the upper end and the lower end of the plug sliding cavity (401) are respectively embedded with two sealing rings (5), the inner cylinder (6) is connected into the outer cylinder (4) in a sliding manner, the inner side of the plug sliding cavity (401) is in sliding fit with the outer side of the inner cylinder (6), the outer side of the piston (604) is embedded with two sealing rings (5), and the outer side of the piston (604) is in sliding fit with the inner wall of the plug sliding cavity (401).

6. The coating paste dressing processing apparatus according to claim 1, wherein: a hexagonal outer sliding cavity (402) is formed in the top of the outer barrel (4), a hexagonal outer sliding block (603) is arranged at the top end of the inner barrel (6), and the hexagonal outer sliding block (603) is connected in the hexagonal outer sliding cavity (402) in a sliding mode.

7. The coating paste dressing processing apparatus according to claim 1, wherein: the inner tube (6) bottom is provided with an assembly sliding cavity (601), the assembly sliding cavity (601) is internally provided with a large spring (8), a conveying pipe (7) is connected to the inner tube (6) in a sliding manner, the outer side of the conveying pipe (7) is provided with a movable push plate (702), the movable push plate (702) slides and is assembled in the sliding cavity (601), and the large spring (8) is pressed on the top side of the movable push plate (702).

8. The coating paste dressing processing apparatus according to claim 1, wherein: six-edge inner sliding cavities (602) are formed in the top of the inner cylinder (6), six-edge inner sliding blocks (701) are arranged on the outer side of the material conveying pipe (7), and the six-edge inner sliding blocks (701) are connected into the six-edge inner sliding cavities (602) in a sliding mode.

9. The coating paste dressing processing apparatus according to claim 1, wherein: the top of the shell (1) is internally provided with a rotary connector (10), and the bottom end of the rotary connector (10) is communicated with the material conveying pipe (7) through a flexible hose (9).

10. The coating paste dressing processing apparatus according to claim 1, wherein: the top of the coating pipe (14) is communicated with the bottom end of the conveying pipe (7) through an anti-leakage pipe (11), a support (1101) is arranged inside the anti-leakage pipe (11), a sealing plug (12) is slidably mounted in the anti-leakage pipe (11), a through hole (1201) is formed in the sealing plug (12) in a surrounding mode, and the bottom of the sealing plug (12) is connected with the support (1101) through a small spring (13).

Technical Field

The invention belongs to the technical field of uniform ointment coating, and particularly relates to a processing device for coating a paste dressing.

Background

The coating is to coat pasty polymer, molten polymer or polymer solution on paper, cloth or plastic, the plaster is one of the traditional Chinese medicine external application, is called a thin plaster in ancient times, is added with vegetable oil or animal oil and decocted into colloidal substances, is coated on one surface of the cloth, the paper or the skin, can be applied to an affected part for a long time, and is mainly used for treating sore and furuncle, eliminating swelling and pain and the like, and the plaster therapy is one of the external treatment methods commonly used in the traditional Chinese medicine clinical practice.

Coating mushy thing dressing processingequipment can refer to CN112245112A patent, and it mainly includes the side support frame, the inboard swing joint of side support frame has two sets of wheels that roll, and is two sets of be provided with conveyer between the wheel that rolls, one of them the one end of rolling the wheel extends to the first belt pulley of the outside fixedly connected with of side support frame, the bottom fixedly connected with supporting legs of side support frame, the side fixedly connected with driving motor of supporting legs, driving motor's output fixedly connected with second belt pulley. Be provided with big piston and little piston structure, when little piston rises by pneumatic cylinder control, can be direct add certain plaster to the charging barrel, then extrude the ointment from the bottom during compression, use convenience very, through being provided with even brush and even arc structure, can make and extrude the ointment evenly distributed on the cloth.

When the existing similar processing device for coating the paste dressing is used, the paste dressing is difficult to be uniformly coated to the central coating part in a circular shape, the phenomenon of uneven coating of the paste dressing is easy to occur at the center and the edge of a coating area, and the using curative effect of the coated plaster is influenced.

Disclosure of Invention

In order to solve the technical problems, the invention provides a processing device for coating paste dressing, which aims to solve the problems that when the existing processing device for similar coating paste dressing is used, the paste dressing is difficult to be uniformly coated to the central position of coating in a circular shape, the phenomenon of uneven coating of the paste dressing is easy to occur at the center and the edge of a coating area, and the using curative effect of the coated paste is influenced.

The invention relates to a processing device for coating paste dressing, which is realized by the following specific technical means:

a processing device for coating pasty material dressing comprises a shell, an outer cylinder, an inner cylinder, a material conveying pipe, a rotary connector and a coating pipe;

the interior of the shell is hollow, and the motor is fixedly arranged on the top side of the shell in an inverted shape;

the inner part of the outer cylinder is hollow, and the outer cylinder is connected with the shell;

the inner cylinder is hollow, the inner cylinder is connected with the outer cylinder, and the large spring is arranged in the bottom of the inner cylinder;

the conveying pipe is connected with the inner cylinder, the top end of the conveying pipe is connected with the telescopic hose, and the telescopic hose is positioned in the top of the inner cylinder;

the rotary connector is connected into the top of the shell, and the bottom end of the rotary connector is connected into the top of the outer barrel;

the coating pipe is communicated with the bottom end of the material conveying pipe.

Furthermore, the coating pipe is of a linear structure, two groups of discharge holes are formed in the outer side of the coating pipe at equal intervals, and the top end of the coating pipe is communicated with the material conveying pipe.

Furthermore, the outer cylinder is rotatably connected inside the shell, the inner cylinder is connected inside the outer cylinder, and the material conveying pipe is connected inside the inner cylinder.

Further, install the driving gear on the motor drive axle, the driving gear rotates in the casing, and the urceolus outside is equipped with driven gear, and driven gear is located the casing, and the driving gear meshes with driven gear mutually.

Furthermore, a plug sliding cavity is formed in the bottom of the outer barrel, an upper air pipe interface and a lower air pipe interface are arranged on the outer side of the outer barrel, the air pipe interfaces are communicated with the plug sliding cavity, two sealing rings are embedded in the inner sides of the upper end and the lower end of the plug sliding cavity respectively, the inner barrel is connected into the outer barrel in a sliding mode, a sealing ring on the inner side of the plug sliding cavity is attached to the outer side of the inner barrel in a sliding mode, a piston is arranged on the outer side of the inner barrel and is connected into the plug sliding cavity in a sliding mode, two sealing rings are embedded on the outer side of the piston, and a sealing ring on the outer side of the piston is attached to the inner wall of the plug sliding cavity in a sliding mode.

Furthermore, a hexagonal outer sliding cavity is formed in the top of the outer barrel, a hexagonal outer sliding block is arranged at the top end of the inner barrel, and the hexagonal outer sliding block is connected in the hexagonal outer sliding cavity in a sliding mode.

Furthermore, an assembly sliding cavity is formed in the bottom of the inner barrel, a large spring is installed inside the assembly sliding cavity, the conveying pipe is connected inside the inner barrel in a sliding mode, a movable push plate is arranged on the outer side of the conveying pipe, the movable push plate slides in the assembly sliding cavity, and the large spring is pressed on the top side of the movable push plate.

Furthermore, a hexagonal inner sliding cavity is formed in the top of the inner barrel, a hexagonal inner sliding block is arranged on the outer side of the conveying pipe, and the hexagonal inner sliding block is connected in the hexagonal inner sliding cavity in a sliding mode.

Furthermore, a rotary connector is installed in the top of the shell, and the bottom end of the rotary connector is communicated with the material conveying pipe through a flexible hose.

Furthermore, the top of the coating pipe is communicated with the bottom end of the conveying pipe through a leakage-proof pipe, a support is arranged inside the leakage-proof pipe, a sealing plug is slidably mounted in the leakage-proof pipe, a through hole is formed in the sealing plug in a surrounding mode, and the bottom of the sealing plug is connected with the support through a small spring.

Compared with the prior art, the invention has the following beneficial effects:

1. the arrangement of the coating pipe is beneficial to coating the pasty dressing discharged from the discharge hole on the coating in a circular shape when the coating pipe is attached to the top side of the coating and rotates anticlockwise, and the rotating coating pipe pushes the pasty dressing to the periphery and the center respectively, so that the coating effect of the pasty dressing on the top side of the coating is guaranteed; and the setting of cooperation motor drives the urceolus through the motor and rotates, and the urceolus drives the inner tube and rotates, and the inner tube drives the conveying pipeline, and the conveying pipeline further drives the coating pipe and rotates, and the anticlockwise operation effect of guarantee coating pipe.

2. The arrangement of the outer cylinder and the inner cylinder is favorable for pushing the piston to slide downwards when high-pressure gas enters the plug sliding cavity through the top air pipe interface, the inner cylinder drives the coating pipe to synchronously move downwards to enable the coating pipe to be attached to the coating top side, and when the high-pressure gas enters the plug sliding cavity through the bottom air pipe interface, the piston is pushed to upwards slide, the inner cylinder drives the coating pipe to synchronously move upwards to enable the coating pipe to be separated from the coating top side; and the setting of cooperation big spring, when the inner tube drove the coating pipe and move the laminating downwards and when the top side was scribbled, the conveying pipeline was upwards slided by the influence of coating pipe reverse thrust, and big spring applys thrust downwards to the conveying pipeline, avoids the coating pipe to scribble the top side pressure too big, influences the smooth and easy nature of coating pipe rotation operation.

3. The arrangement of the leakage-proof pipe is beneficial to applying downward thrust to the sealing plug by the pasty dressing when the pasty dressing enters the leakage-proof pipe through the conveying pipe to enable the sealing plug to move downwards, the pasty dressing flows into the coating pipe through the through hole, the small spring applies upward thrust to the sealing plug after the pasty dressing stops conveying, the sealing plug blocks the top of the leakage-proof pipe, a timely blocking effect is achieved, the pasty dressing inside the conveying pipe and the telescopic hose is prevented from flowing into the coating pipe under the influence of gravity, the pasty dressing leaks through the discharge hole, and waste of the pasty dressing is caused.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is a schematic sectional view showing the connection structure between the housing and the outer cylinder according to the present invention.

FIG. 4 is a schematic sectional view showing the connection structure between the outer cylinder and the inner cylinder according to the present invention.

FIG. 5 is a schematic sectional view showing the connection structure between the inner cylinder and the feed delivery pipe according to the present invention.

FIG. 6 is a cross-sectional view of the leakage preventing pipe of the present invention.

FIG. 7 is a schematic view of the coating tube axis structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a housing; 2. a motor; 3. a driving gear; 4. an outer cylinder; 401. a plug slide cavity; 402. a hexagonal outer sliding cavity; 403. a driven gear; 404. a tracheal tube interface; 5. a seal ring; 6. an inner barrel; 601. assembling a sliding cavity; 602. a hexagonal inner slide cavity; 603. a hexagonal outer slide block; 604. a piston; 7. a delivery pipe; 701. a hexagonal inner slide block; 702. a movable push plate; 8. a large spring; 9. a flexible hose; 10. rotating the connector; 11. a leakage-proof pipe; 1101. a support; 12. a sealing plug; 1201. a through hole; 13. a small spring; 14. a coating tube; 1401. a discharge hole.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 7:

the invention provides a processing device for coating pasty dressing, which comprises a shell 1, an outer cylinder 4, an inner cylinder 6, a material conveying pipe 7, a rotary connector 10 and a coating pipe 14, wherein the outer cylinder is provided with a plurality of inner cylinders;

the interior of the shell 1 is hollow, and the motor 2 is fixedly arranged on the top side of the shell 1 in an inverted shape;

the inner part of the outer cylinder 4 is hollow, and the outer cylinder 4 is connected with the shell 1;

a plug sliding cavity 401 is arranged in the bottom of the outer cylinder 4, an upper air pipe connector 404 and a lower air pipe connector 404 are arranged on the outer side of the outer cylinder 4, the air pipe connectors 404 are communicated with the plug sliding cavity 401, two sealing rings 5 are respectively embedded on the inner sides of the upper end and the lower end of the plug sliding cavity 401, the inner cylinder 6 is slidably connected in the outer cylinder 4, the sealing ring 5 on the inner side of the plug sliding cavity 401 is slidably attached to the outer side of the inner cylinder 6, a piston 604 is arranged on the outer side of the inner cylinder 6, the piston 604 is slidably connected in the plug sliding cavity 401, two sealing rings 5 are embedded on the outer side of the piston 604, the sealing ring 5 on the outer side of the piston 604 is slidably attached to the inner wall of the plug sliding cavity 401, when high-pressure air enters the plug sliding cavity 401 through the top air pipe connector 404, the piston 604 is pushed to slide downwards, the inner cylinder 6 drives the coating pipe 14 to synchronously move downwards, so that the coating pipe 14 is attached to the top side of the coating pipe, when the high-pressure air enters the plug sliding cavity 401 through the bottom air pipe connector 404, the piston 604 is pushed to slide upwards, the inner cylinder 6 drives the coating tube 14 to synchronously move upwards, so that the coating tube 14 is separated from the coating top side;

the inner cylinder 6 is hollow, the inner cylinder 6 is connected with the outer cylinder 4, and the large spring 8 is arranged in the bottom of the inner cylinder 6;

the feed delivery pipe 7 is connected with the inner cylinder 6, the top end of the feed delivery pipe 7 is connected with the flexible hose 9, and the flexible hose 9 is positioned in the top of the inner cylinder 6;

an assembly sliding cavity 601 is formed in the bottom of the inner cylinder 6, a large spring 8 is installed in the assembly sliding cavity 601, the material conveying pipe 7 is connected to the inner part of the inner cylinder 6 in a sliding mode, a movable push plate 702 is arranged on the outer side of the material conveying pipe 7, the movable push plate 702 slides in the assembly sliding cavity 601, and the large spring 8 is pressed on the top side of the movable push plate 702; when the inner cylinder 6 drives the coating pipe 14 to move downwards and attach to the coating top side, the material conveying pipe 7 slides upwards under the influence of the reverse thrust of the coating pipe 14, the large spring 8 applies downward thrust to the material conveying pipe 7, and the phenomenon that the coating pipe 14 has overlarge pressure on the coating top side to influence the smoothness of the rotation operation of the coating pipe 14 is avoided;

the rotary connector 10 is connected in the top of the shell 1, and the bottom end of the rotary connector 10 is connected in the top of the outer cylinder 4;

the coating pipe 14 is communicated with the bottom end of the material conveying pipe 7.

Wherein, the coating pipe 14 is of an S-shaped structure, two groups of discharge holes 1401 are arranged at the outer side of the coating pipe 14 at equal intervals, and the top end of the coating pipe 14 is communicated with the material conveying pipe 7; when the coating pipe 14 is attached to the top side of the coating and rotates anticlockwise, the coating pipe 14 coats the paste dressing discharged from the discharge hole 1401 on the coating in a circular shape, the rotating coating pipe 14 pushes the paste dressing to the periphery and the center respectively, and the coating effect of the paste dressing on the top side of the coating is guaranteed.

Wherein, the outer cylinder 4 is rotatably connected inside the shell 1, the inner cylinder 6 is connected inside the outer cylinder 4, and the material conveying pipe 7 is connected inside the inner cylinder 6.

Wherein, a driving gear 3 is arranged on a driving shaft of the motor 2, the driving gear 3 rotates in the shell 1, a driven gear 403 is arranged outside the outer cylinder 4, the driven gear 403 is positioned in the shell 1, and the driving gear 3 is meshed with the driven gear 403; the motor 2 drives the outer barrel 4 to rotate, the outer barrel 4 drives the inner barrel 6 to rotate, the inner barrel 6 drives the material conveying pipe 7, the material conveying pipe 7 further drives the coating pipe 14 to rotate, and the counterclockwise operation effect of the coating pipe 14 is guaranteed.

The top of the outer barrel 4 is internally provided with a hexagonal outer sliding cavity 402, the top end of the inner barrel 6 is provided with a hexagonal outer sliding block 603, and the hexagonal outer sliding block 603 is connected in the hexagonal outer sliding cavity 402 in a sliding manner; when the inner cylinder 6 slides up and down in the outer cylinder 4, the hexagonal outer slide block 603 slides up and down in the hexagonal outer slide cavity 402, so that the synchronous rotation effect of the inner cylinder 6 and the outer cylinder 4 is guaranteed.

Wherein, a hexagonal inner sliding cavity 602 is arranged in the top of the inner cylinder 6, a hexagonal inner sliding block 701 is arranged outside the material conveying pipe 7, and the hexagonal inner sliding block 701 is connected in the hexagonal inner sliding cavity 602 in a sliding manner; when the material conveying pipe 7 slides up and down in the inner cylinder 6, the hexagonal inner slide block 701 slides up and down in the hexagonal inner slide cavity 602, so that the synchronous rotation effect of the material conveying pipe 7 and the outer cylinder 4 is guaranteed.

Wherein, a rotary connector 10 is arranged in the top of the shell 1, and the bottom end of the rotary connector 10 is communicated with the feed delivery pipe 7 through a flexible hose 9; when the material conveying pipe 7 slides up and down, the telescopic hose 9 is synchronously adjusted in a telescopic mode, and the pasty dressing conveying effect between the rotary connector 10 and the material conveying pipe 7 is guaranteed.

In another embodiment, the top of the coating tube 14 is communicated with the bottom end of the feed delivery tube 7 through a leakage-proof tube 11, a bracket 1101 is arranged inside the leakage-proof tube 11, a sealing plug 12 is slidably installed inside the leakage-proof tube 11, a through hole 1201 is formed in the sealing plug 12 in a surrounding manner, and the bottom of the sealing plug 12 is connected with the bracket 1101 through a small spring 13; when the pasty dressing enters the leakage-proof pipe 11 through the conveying pipe 7, the pasty dressing applies downward thrust to the sealing plug 12 to enable the sealing plug 12 to move downward, the pasty dressing flows into the coating pipe 14 through the through hole 1201, when the pasty dressing stops conveying, the small spring 13 applies upward thrust to the sealing plug 12 to enable the sealing plug 12 to block the top of the leakage-proof pipe 11, a timely blocking effect is achieved, the pasty dressing inside the conveying pipe 7 and the telescopic hose 9 is prevented from flowing into the coating pipe 14 under the influence of gravity, the pasty dressing leaks through the discharge hole 1401, and waste of the pasty dressing is caused.

The specific use mode and function of the embodiment are as follows:

when the coating device is used, when high-pressure gas enters the plug sliding cavity 401 through the top air pipe connector 404, the piston 604 is pushed to slide downwards, the inner cylinder 6 drives the coating pipe 14 to synchronously move downwards, and the coating pipe 14 is attached to the top side of coating; the material conveying pipe 7 slides upwards under the influence of the reverse thrust of the coating pipe 14, the large spring 8 applies downward thrust to the material conveying pipe 7, and the phenomenon that the coating pipe 14 has overlarge pressure on the coating top side to influence the smoothness of the rotating operation of the coating pipe 14 is avoided; the paste dressing sequentially enters the leakage-proof pipe 11 through the rotary connector 10, the telescopic hose 9 and the material conveying pipe 7, the paste dressing applies downward thrust to the sealing plug 12 to enable the sealing plug 12 to move downwards, and the paste dressing flows into the coating pipe 14 through the through hole 1201; the outer cylinder 4 is driven to rotate by the motor 2, the inner cylinder 6 is driven to rotate by the outer cylinder 4, the conveying pipe 7 is driven by the inner cylinder 6, the coating pipe 14 is further driven by the conveying pipe 7 to be attached to the top side of the coating to rotate anticlockwise, the coating pipe 14 coats the pasty dressing discharged from the discharge hole 1401 on the coating in a circular shape, the coating pipe 14 in a rotating state respectively pushes the pasty dressing to the periphery and the central part, and the coating effect of the pasty dressing on the top side of the coating is guaranteed; after the coating is finished, when high-pressure gas enters the plug sliding cavity 401 through the bottom air pipe connector 404, the piston 604 is pushed to slide upwards, the inner cylinder 6 drives the coating pipe 14 to move upwards synchronously, and the coating pipe 14 is separated from the top side of the coating; the small spring 13 applies upward thrust to the sealing plug 12, so that the sealing plug 12 blocks the top of the leakage-proof pipe 11, a timely blocking effect is achieved, pasty dressing inside the conveying pipe 7 and the telescopic hose 9 is prevented from flowing into the coating pipe 14 under the influence of gravity, and the pasty dressing leaks out through the discharge hole 1401, and waste of the pasty dressing is caused.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.