Pneumatic cleaning structure of extruder

By using an adjustment assembly combining rubber plugs and springs, as well as a ball-clamping assembly/disassembly assembly, in the pneumatic cleaning structure of the extruder, the problem of gas backflow was solved, enabling rapid sealing and convenient disassembly/assembly, thus improving the cleaning effect and equipment lifespan.

CN224028322UActive Publication Date: 2026-03-24HENAN PINGMEI SHENMA NYLON MATERIAL (SUIPING) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing pneumatic cleaning structures for extruders have shortcomings in pipeline airflow control, leading to gas backflow, which affects the cleaning effect and the lifespan of the air source equipment, and cannot meet the requirements for efficient and stable cleaning.

Method used

The adjustment assembly, which combines a rubber stopper and a spring, allows for quick opening and closing of the air outlet by sliding the rubber stopper through gas flow. Combined with the assembly for attaching and detaching the ball and spring, it enables convenient disassembly and assembly of the nozzle and ensures a tight seal, preventing gas backflow.

Benefits of technology

It improves the airtightness and ease of disassembly and assembly of the device, prevents gas backflow, protects the equipment from damage, and ensures the stability and efficiency of the cleaning process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pneumatic cleaning, and discloses a pneumatic cleaning structure of an extruder, which comprises an air pipe, one end of the air pipe is fixedly connected with a grip, the outer wall of the grip is fixedly connected with a connecting pipe, an adjusting component is arranged in the air pipe, a nozzle is slidably connected in the air pipe, and a dismounting component is arranged at one end of the air pipe. The adjusting assembly comprises a rubber plug and an air outlet formed in the air pipe, the outer wall of the rubber plug is slidably connected to the interior of the air outlet, a first check block is fixedly connected to the interior of the air pipe, a guide column is fixedly connected to the outer wall of the rubber plug, and the outer wall of the guide column is sleeved with a first spring. According to the device, the rubber plug and the guide column are driven by gas and matched with the first spring, so that the rubber plug slides in the gas outlet, the gas outlet is rapidly opened and closed, gas backflow is prevented, the problem that backflow is likely to be generated due to the fact that a pipeline cannot be rapidly closed is solved, and the sealing rapidness of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic cleaning technical field especially relates to a kind of extruder pneumatic cleaning structure. BACKGROUND

[0002] In the daily operation process of extruder, material is easily left in its interior, which not only affects product quality, but also causes equipment failure, so efficient cleaning is crucial. Pneumatic cleaning structure, as an effective cleaning method, has been widely used in the field of extruder cleaning due to its advantages such as speed, convenience and ability to clean the interior of complex structures. This structure uses the strong kinetic energy of compressed air to flush away the material attached to each part of the extruder, providing protection for the stable operation of the extruder.

[0003] Currently, the common pneumatic cleaning structure of extruder mainly generates compressed air through air supply equipment and transmits it to the cleaning site through a series of pipelines in terms of technical principle. For example, cleaning nozzles are installed at key parts such as extruder barrel, screw and die. These nozzles spray compressed air at a specific angle and pressure, using high-speed airflow to impact the material and make it detach from the surface of the equipment. However, there are certain technical shortcomings in the control of airflow and the convenience of component connection during the entire cleaning process.

[0004] However, the existing pneumatic cleaning structure of extruder has obvious deficiencies in pipeline airflow control. In actual operation, when the air supply stops or the pressure fluctuates, the gas in the pipeline cannot be quickly closed, which easily leads to gas backflow. Gas backflow not only interferes with the normal cleaning process, causing the cleaned parts to be contaminated again, but also damages the air supply equipment, reduces its service life, and affects the airtightness of the entire device, making it unable to meet the efficient and stable cleaning work requirements. Therefore, a kind of extruder pneumatic cleaning structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] To make up for the above shortcomings, the utility model provides a kind of extruder pneumatic cleaning structure, which aims to improve the problem that the pipeline cannot be quickly closed and easily produces backflow in the prior art.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A kind of extruder pneumatic cleaning structure, including gas pipe, the gas pipe one end is fixedly connected with handle, the handle outer wall is fixedly connected with connecting pipe, the gas pipe is provided with adjusting assembly in the inside, the gas pipe is slidably connected with nozzle in the inside, the gas pipe one end is provided with dismounting assembly;

[0008] The adjusting assembly comprises a rubber plug and a gas outlet formed in the trachea, the outer wall of the rubber plug is slidably connected in the gas outlet, the trachea is fixedly connected with a stopper one, the outer wall of the rubber plug is fixedly connected with a guide column, the outer wall of the guide column is sleeved with a spring one, one end of the spring one is fixedly connected with the outer wall of the rubber plug, and the other end of the spring one is fixedly connected with the outer wall of the stopper one.

[0009] As a further description of the above technical solution:

[0010] The dismounting assembly comprises a clamping ball, and the outer wall of the clamping ball is arranged in the trachea.

[0011] As a further description of the above technical solution:

[0012] The trachea is formed with a sliding groove, and the outer wall of the clamping ball is slidably connected in the sliding groove.

[0013] As a further description of the above technical solution:

[0014] The nozzle is formed with a clamping ring, and the outer wall of the clamping ball is slidably connected in the clamping ring.

[0015] As a further description of the above technical solution:

[0016] The outer wall of the trachea is fixedly connected with a stop ring, and the outer wall of the trachea is slidably connected with a push tube.

[0017] As a further description of the above technical solution:

[0018] The outer wall of the push tube is fixedly connected with a push block, and the inner wall of the push block is arranged on the outer wall of the clamping ball.

[0019] As a further description of the above technical solution:

[0020] The outer wall of the trachea is fixedly connected with a stopper two, the outer wall of the trachea is sleeved with a spring two, one end of the spring two is fixedly connected with the outer wall of the push block, and the other end of the spring two is fixedly connected with the outer wall of the stopper two.

[0021] The utility model has the advantages of the following:

[0022] 1、the utility model discloses, rubber plug realizes its mobile function through gas flow, when gas flows, realizes the sliding of rubber plug in the gas outlet through the drive of gas to rubber plug and guide column and cooperates spring one, so that the gas outlet is switched on and off quickly, prevents gas backflow, solves the problem that pipeline can not be closed quickly and is easy to produce backflow, improves the quickness of device sealing.

[0023] 2. The utility model discloses, card ball realizes its mobile function through pushing push tube, when pushing push tube, through the drive of push block to push tube and cooperate spring no. 2, realize the sliding of card ball in the inside of the snap ring, thereby conveniently disassembles and installs the nozzle, convenient for its maintenance replacement, solved the problem that the present disassembly and assembly need multiple tools cooperation use cannot conveniently detach, improved the convenience of device disassembly and assembly. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A three-dimensional schematic view of the pneumatic cleaning structure of the extruder is provided for the utility model;

[0025] Figure 2 A structure diagram of the inside of the air pipe of the pneumatic cleaning structure of the extruder is provided for the utility model;

[0026] Figure 3 A structure diagram of the inside of the push tube of the pneumatic cleaning structure of the extruder is provided for the utility model.

[0027] LEGEND:

[0028] 1, air pipe, 2, handle, 3, connecting pipe, 4, push tube, 5, nozzle, 6, stopper no. 1, 7, spring no. 1, 8, guide column, 9, air outlet, 10, rubber plug, 11, retaining ring, 12, spring no. 2, 13, stopper no. 2, 14, push block, 15, sliding slot, 16, card ball, 17, snap ring. DETAILED DESCRIPTION

[0029] 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 and 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 fall within the scope of protection of the utility model.

[0030] Referring to Figure 1 and Figure 2 , the utility model provides an embodiment: a kind of pneumatic cleaning structure of extruder, including air pipe 1, air pipe 1 one end is fixedly connected with handle 2, handle 2 design accords with the principle of ergonomics, and its outer layer is wrapped with a layer of soft rubber material, not only provide comfortable grip feeling, but also can play the role of antiskid, facilitate operator flexible control in cleaning process, handle 2 outer wall is fixedly connected with connecting pipe 3, air pipe 1 is provided with adjusting assembly inside, air pipe 1 is slidably connected with nozzle 5 inside, air pipe 1 one end is provided with dismounting assembly;

[0031] The adjusting assembly comprises a rubber plug 10 and an air outlet 9 formed in the air pipe 1, the outer wall of the rubber plug 10 is slidably connected in the air outlet 9, the rubber plug 10 is made of high-elastic and anti-aging rubber material, the outer wall of the rubber plug 10 is finely polished to be closely connected in the air outlet 9, thereby ensuring good sealing performance, the air pipe 1 is fixedly connected with a stop block one 6, the outer wall of the rubber plug 10 is fixedly connected with a guide column 8, the guide column 8 is made of stainless steel and has a smooth surface, thereby providing accurate guidance for the movement of a spring one 7, the outer wall of the guide column 8 is sleeved with the spring one 7, one end of the spring one 7 is fixedly connected with the outer wall of the rubber plug 10, and the other end of the spring one 7 is fixedly connected with the outer wall of the stop block one 6.

[0032] Specifically, when the pneumatic cleaning operation is performed on the extruder, the operator holds the handle 2 to control the whole cleaning process, the handle 2 is connected with the connecting pipe 3, when the cleaning needs to be started, the operator controls the handle 2 to make the airflow in the connecting pipe 3 start to flow, the flowing gas has a certain pressure, the pressure pushes the rubber plug 10 to move in the air outlet 9, and finally the rubber plug 10 slides out of the air outlet 9, in the movement process of the rubber plug 10, the spring one 7 is stretched, at this time, the gas can flow out of the air outlet 9 smoothly, and is sprayed out at a certain pressure and speed after the nozzle 5, thereby effectively cleaning each part in the extruder, when the cleaning is completed, the spring one 7 rebounds by virtue of the elasticity thereof, and drives the rubber plug 10 to slide back into the air outlet 9, thereby quickly sealing the air pipe 1, effectively preventing the gas from flowing back, and protecting the internal devices of the extruder from being affected by the backflow gas.

[0033] With reference to Figures 1-3 The disassembling assembly comprises a clamping ball 16, the clamping ball 16 is made of high-strength alloy steel material and is finely polished, thereby having high hardness and wear resistance and a smooth surface capable of reducing friction in the sliding process, the outer wall of the clamping ball 16 is arranged in the air pipe 1, the air pipe 1 is formed with a sliding groove 15, the outer wall of the clamping ball 16 is slidably connected in the sliding groove 15, the nozzle 5 is formed with a clamping ring 17, the outer wall of the clamping ball 16 is slidably connected in the clamping ring 17, the outer wall of the air pipe 1 is fixedly connected with a stop ring 11, the stop ring 11 is made of stainless steel and has good corrosion resistance, the stop ring 11 is used to limit the push pipe 4 and prevent the push pipe 4 from sliding out of the air pipe 1 in the sliding process, the outer wall of the air pipe 1 is slidably connected with the push pipe 4, the outer wall of the push pipe 4 is fixedly connected with a push block 14, the inner wall of the push block 14 is arranged on the outer wall of the clamping ball 16, the outer wall of the air pipe 1 is fixedly connected with a stop block two 13, the outer wall of the air pipe 1 is sleeved with a spring two 12, one end of the spring two 12 is fixedly connected with the outer wall of the push block 14, and the other end of the spring two 12 is fixedly connected with the outer wall of the stop block two 13.

[0034] Specifically, in the actual extruder cleaning work, due to the differences in structure, size and material residue of different extruders, it is necessary to replace the appropriate nozzle 5 according to the specific situation, when facing such needs, the operator can push the push tube 4, the push tube 4 will drive the push block 14 to move after being pushed, the movement of the push block 14 will compress the spring 2 12, at the same time, the restriction of the ball 16 is released, at this time, the ball 16 can slide freely inside the chute 15, and finally slide out of the inside of the clamping ring 17, in this way, the nozzle 5 can be smoothly removed from the air pipe 1, then the operator needs to take out the nozzle 5 suitable for the current cleaning needs of the extruder from the spare nozzle 5, and slide it back to the inside of the air pipe 1, then loosen the push tube 4, at this time, the spring 2 12 will rebound by virtue of its elasticity, drive the push block 14 to return to the original position. After the push block 14 is reset, the ball 16 is positioned again, the ball 16 is re-slid into the clamping ring 17, and the stable connection between the nozzle 5 and the air pipe 1 is realized. At the same time, the retaining ring 11 can limit the push tube 4 to prevent the push tube 4 from sliding out, and ensure the stability and reliability of the whole structure.

[0035] Working principle: when the extruder is cleaned by pneumatic, the gas flow in the connecting pipe 3 is circulated by the handle 2, when the gas flows, the rubber plug 10 is pushed to move and slide out of the gas outlet 9, and the spring 1 7 is stretched, so that the gas flows, and the extruder is cleaned by the nozzle 5, and then when the cleaning is completed, the spring 1 7 rebounds to drive the rubber plug 10 to slide into the gas outlet 9 to quickly seal the air pipe 1, prevent backflow and protect the internal device.

[0036] In addition, when cleaning different extruders, the push tube 4 can be pushed, the push block 14 is moved by the push tube 4, the spring 2 12 is compressed, the restriction of the ball 16 is released, and the ball 16 can slide in the chute 15, so as to slide out of the inside of the clamping ring 17, and the nozzle 5 is removed, then the appropriate nozzle 5 is taken out and slid back into the air pipe 1, the push tube 4 is loosened, the push block 14 is driven by the spring 2 12 to return to the original position, the ball 16 is positioned, and the ball 16 is re-slid into the clamping ring 17 for fixation, the connection is maintained, and the push tube 4 is limited by the retaining ring 11 to prevent sliding out.

[0037] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An extruder pneumatic cleaning structure comprising a gas duct (1), characterized in that: The trachea (1) one end fixedly connected with the handle (2), the handle (2) outer wall fixedly connected with the connecting pipe (3), the trachea (1) inside is provided with adjusting assembly, the trachea (1) inside slidingly connected with the nozzle (5), the trachea (1) one end is provided with dismounting assembly; The adjusting assembly includes a rubber plug (10) and a gas outlet (9) opened in the trachea (1), the rubber plug (10) outer wall slidingly connected in the gas outlet (9), the trachea (1) inside fixedly connected with the block one (6), the rubber plug (10) outer wall fixedly connected with the guide column (8), the guide column (8) outer wall is sleeved with spring one (7), one end of spring one (7) is fixedly connected in the rubber plug (10) outer wall, the other end of spring one (7) is fixedly connected in the block one (6) outer wall.

2. The pneumatic purging structure of an extruder according to claim 1, wherein: The dismounting assembly includes a ball (16), the ball (16) outer wall is arranged in the trachea (1).

3. A pneumatic purging structure for an extruder as claimed in claim 2, wherein: The trachea (1) inside is opened with the chute (15), the ball (16) outer wall slidingly connected in the chute (15).

4. An extruder pneumatic purging structure according to claim 3, characterized in that: The nozzle (5) inside is opened with the snap ring (17), the ball (16) outer wall slidingly connected in the snap ring (17).

5. An extruder pneumatic purging structure according to claim 4, characterized in that: The trachea (1) outer wall fixedly connected with the stop ring (11), the trachea (1) outer wall slidingly connected with the push tube (4).

6. An extruder pneumatic purging structure according to claim 5, characterized in that: The push tube (4) outer wall fixedly connected with the push block (14), the push block (14) inner wall is arranged in the ball (16) outer wall.

7. An extruder pneumatic purging structure according to claim 6, characterized in that: The trachea (1) outer wall fixedly connected with the block two (13), the trachea (1) outer wall is sleeved with spring two (12), one end of spring two (12) is fixedly connected in the push block (14) outer wall, the other end of spring two (12) is fixedly connected in the block two (13) outer wall.