CN215539170U

CN215539170U - Compressed air purification system in production of nylon casing film

Info

Publication number: CN215539170U
Application number: CN202120953080.8U
Authority: CN
Inventors: 马存福
Original assignee: Tianjin Licheng Hongyu Packing Material Co ltd
Current assignee: Tianjin Licheng Hongyu Packing Material Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2022-01-18
Anticipated expiration: 2031-05-06

Abstract

The application provides a compressed air purification system in production of nylon casing films, and belongs to the technical field of production of nylon casing films. This compressed air purification system in production of nylon casing membrane includes compressing mechanism and purification mechanism. The compression mechanism comprises an air compressor body and a connecting pipe, and the air inlet end of the air compressor body is communicated with the connecting pipe. This application is through the purifying box, the dust collecting plate, the filtration pore, the connecting pipe, including a motor, an end cap, a controller, and a cover plate, the layer board, sealed pad, the electricity jar, first pull ring, the stay cord, the second pull ring, the effect of pendulum rod and sealing plug, thereby the purpose that compressed air purification system was convenient for clear away the dust after the filtration and can adjust compressed air speed has been reached, when this system clears away the dust, compressed air on one side, clear up the dust after the filtration on one side, air-purifying efficiency is improved, adjust the speed that compressed air was adjusted to the speed of admitting air through adjusting structure simultaneously, indirectly improved the practicality.

Description

Compressed air purification system in production of nylon casing film

Technical Field

The application relates to the field of production of nylon casing films, in particular to a compressed air purification system in production of nylon casing films.

Background

Compressed air purification system is not convenient for clear away the dust after filtering and can not adjust compressed air's speed in present nylon casing membrane production, compressed air purification system is behind the long-time air-purifying, the filter core surface can be gathered full of the dust, influence the effect of dust in the filtered air, when cleaing away the dust, can only close and take out the filter core behind the compressed air purification system and clear away, staff's intensity of labour has been increased, it also can reduce air-purifying efficiency to close compressed air purification system, the speed that the air got into in the compressed air purification system can not be adjusted simultaneously, can not adjust the speed that the air got into according to the demand, the practicality has indirectly been reduced.

How to invent a compressed air purification system in the production of nylon casing films to improve the problems becomes a problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to compensate for above not enough, the application provides a compressed air purification system in production of nylon casing membrane, aims at improving the compressed air purification system and is not convenient for clear away the dust after the filtration and can not adjust the problem of compressed air's speed.

The embodiment of the application provides a compressed air purification system in production of nylon casing films, including compressing mechanism and purification mechanism.

The compression mechanism comprises an air compressor body and a connecting pipe, the air inlet end of the air compressor body is communicated with the connecting pipe, the purification mechanism comprises a purification box, an adjusting component, a partition plate, two filtering components, a swinging component, a stretching component and an ash collecting plate, the purification box is connected to one side of the air compressor body, the adjusting component is mounted on the inner wall of the purification box, the partition plate is connected to the inner wall of the purification box, the adjusting component is attached to one side of the partition plate, the filtering components are mounted on the other side of the partition plate, the number of the filtering components is two, filtering holes corresponding to the filtering components one to one are formed in the inner surface of the partition plate, the ash collecting plate is connected to the inner wall of the purification box, the swinging component and the stretching component are mounted on the inner wall of the purification box, one end of the swinging component is connected with one end of the stretching component, one side of the swing component is attached to one end of the dust collecting plate.

In the above-mentioned realization in-process, the air compressor body is used for compressing the air, the connecting pipe is used for the inlet end and the purifying box intercommunication with the air compressor body, adjusting part is used for adjusting the area of sheltering from the filtration pore on the baffle, thereby adjust the speed that the external air adjusted compressed air through the speed of crossing the filtration pore, filtering part is arranged in the dust of filtered air, stretching assembly is used for making the swing subassembly swing, make the collection grey board be in intercommunication or closed state, make people can clear up this internal dust of air compressor under the condition of not closing the air compressor body.

In a specific embodiment, the connecting pipe is communicated with one side of the purifying box, and the connecting pipe is positioned above the partition plate and communicated with the purifying box.

In a specific embodiment, the adjusting part comprises a support, a motor, a supporting plate, a sealing gasket and a connecting rod, the support is arranged into two, one end of the support is connected to the inner wall of the purifying box, the motor is arranged at the other end of the support, the connecting rod is connected to the output shaft of the motor, the supporting plate is arranged into two, the supporting plate is arranged at two ends of the connecting rod, the sealing gasket is connected to one side of the supporting plate, and the sealing gasket is attached to the partition plate.

In the implementation process, the motor is used for driving the two supporting plates and the sealing gasket to rotate through the connecting rod, and the sealing gasket is adjusted to block the area of the filter hole, so that the air inlet efficiency is adjusted by adjusting the volume of air passing through the filter hole at the same time, and the air compression rate is adjusted.

In a specific embodiment, the sealing gasket is of a disc-shaped structure, two filter holes are symmetrically distributed about the motor, and the diameter of each filter hole is the same as that of the sealing gasket.

In a specific embodiment, the filter assembly comprises a first filter screen, an activated carbon layer, a filament non-woven fabric layer and a second filter screen, wherein the first filter screen is connected to the other side of the separator, the activated carbon layer is arranged on one side of the first filter screen, the filament non-woven fabric layer is connected to one side of the activated carbon layer, and the second filter screen is arranged on one side of the filament non-woven fabric layer.

In the implementation process, the first filter screen, the filament non-woven fabric layer and the second filter screen are used for filtering dust in the air, and the activated carbon layer is used for adsorbing harmful substances in the air.

In a specific embodiment, the swing assembly comprises support plates, a shaft lever, a swing rod and a sealing plug, the support plates are arranged in two symmetrical distribution, the two support plates are connected to the inner wall of the purification box, two ends of the shaft lever are rotatably connected to one side of the two support plates, the swing rod is connected to the outer surface of the shaft lever, and the sealing plug is installed on one side of the swing rod.

In the implementation process, the shaft lever is used for enabling the swing rod to swing between the two support plates, so that the sealing plug is driven to swing, when the sealing plug is in a horizontal state to plug the lower end of the dust collecting plate, the dust collecting plate is in a closed state, people can clean dust from the bottom of the purification box at the moment, and when the sealing plug is in an inclined state and is separated from the dust collecting plate, the dust collecting plate can guide the dust into the bottom of the purification box.

In a specific embodiment, the dust collecting plate is of a funnel-shaped structure, the sealing plug is of a conical structure, and the sealing plug is inserted into the bottom of the dust collecting plate.

In a specific embodiment, the stretching assembly comprises an electric cylinder, a first pull ring, a pull rope and a second pull ring, the electric cylinder is connected to the inner wall of the purification box, the first pull ring is mounted on the output shaft of the electric cylinder, the second pull ring is connected to one end of the swing rod, and the second pull ring is connected with the first pull ring through the pull rope.

In the implementation process, the electric cylinder is used for driving one end of the oscillating bar to swing up and down through the first pull ring, the pull rope and the second pull ring, so that the other end of the oscillating bar is driven to swing up and down, and the position of the sealing plug is adjusted.

In a specific embodiment, the other side of the purification box is provided with an air inlet, and the air inlet is positioned between the partition plate and the ash collecting plate.

In the implementation process, the air inlet is a passage for the outside air to enter the purifying box.

In a specific embodiment, the other side of the purification box is provided with a dust outlet, and the inner surface of the dust outlet is inserted with a baffle.

In the implementation process, the dust outlet and the baffle are used for facilitating people to remove dust in the purifying box.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural diagram of a compressed air purification system in the production of a nylon casing film according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a compression mechanism according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a purification mechanism provided in an embodiment of the present application;

FIG. 4 is a schematic structural diagram of an adjustment assembly provided in an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a support plate and a connecting rod provided in an embodiment of the present application;

FIG. 6 is a schematic structural view of a filter assembly according to an embodiment of the present disclosure;

fig. 7 is a schematic view of a first perspective structure of a swing assembly according to an embodiment of the present disclosure;

fig. 8 is a structural diagram of a second view angle of the swing assembly according to the embodiment of the present disclosure;

fig. 9 is a schematic structural diagram of a stretching assembly according to an embodiment of the present disclosure.

In the figure: 10-a compression mechanism; 110-an air compressor body; 120-connecting tube; 20-a purification mechanism; 210-a purge bin; 220-an adjustment assembly; 221-a scaffold; 222-a motor; 223-a pallet; 224-a gasket; 225-connecting rod; 230-a separator; 240-a filter assembly; 241-a first filter screen; 242-activated carbon layer; 243-a filament non-woven layer; 244 — a second filter; 250-filtration pores; 260-a swing assembly; 261-plate; 262-a shaft rod; 263-swing link; 264-sealing plug; 270-a stretching assembly; 271-electric cylinder; 272-a first tab; 273-pulling rope; 274-a second tab; 280-ash collecting plate; 290-air inlet.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, the present application provides a compressed air purification system in the production of nylon casing film, which comprises a compression mechanism 10 and a purification mechanism 20.

Wherein, purification mechanism 20 fixed connection is on compression mechanism 10, purification mechanism 20 and compression mechanism 10 inlet end intercommunication, and compression mechanism 10 is used for compressed air, and purification mechanism 20 is arranged in the dust of filtered air, makes clean air enter into compression mechanism 10 and compresses, and the dust is stayed in purification mechanism 20, makes things convenient for people to clear up the dust after the filtration.

Referring to fig. 1 and 2, the compression mechanism 10 includes an air compressor body 110 and a connecting pipe 120, an air inlet end of the air compressor body 110 is communicated with the connecting pipe 120, and the air compressor body 110 is used for compressing air.

Referring to fig. 1, 2 and 3, the purification mechanism 20 includes a purification box 210, an adjustment assembly 220, a partition 230, a filter assembly 240, a swing assembly 260, a stretching assembly 270 and an ash collecting plate 280, the purification box 210 is connected to one side of the air compressor body 110, specifically, the purification box 210 is fixedly connected to one side of the air compressor body 110 by screws, the adjustment assembly 220 is installed on the inner wall of the purification box 210, the partition 230 is connected to the inner wall of the purification box 210, specifically, the partition 230 is fixedly connected to the inner wall of the purification box 210 by welding, the adjustment assembly 220 is attached to one side of the partition 230, the filter assembly 240 is installed on the other side of the partition 230, the filter assemblies 240 are provided in two numbers, the inner surface of the partition 230 is provided with filter holes 250 corresponding to the filter assemblies 240 one by one to one, the ash collecting plate 280 is connected to the inner wall of the purification box 210, specifically, the ash collecting plate 280 is fixedly connected to the inner wall of the purification box 210 by welding, the swing assembly 260 and the stretching assembly 270 are installed on the inner wall of the purification box 210, one end of the swing component 260 is connected with one end of the stretching component 270, one side of the swing component 260 is attached to one end of the dust collecting plate 280, the adjusting component 220 is used for adjusting the area of the filter holes 250 on the shielding partition plate 230, so that the speed of compressed air is adjusted by adjusting the speed of the outside air passing through the filter holes 250, the filter component 240 is used for filtering dust in the air, the stretching component 270 is used for enabling the swing component 260 to swing, the dust collecting plate 280 is in a communicated or closed state, and people can clean the dust in the air compressor body 110 under the condition that the air compressor body 110 is not closed.

In some specific embodiments, the connection pipe 120 is communicated with one side of the purification box 210, a communication position of the connection pipe 120 and the purification box 210 is located above the partition plate 230, the other side of the purification box 210 is provided with an air inlet 290, the air inlet 290 is located between the partition plate 230 and the dust collecting plate 280, the other side of the purification box 210 is provided with a dust outlet, a baffle is inserted into the inner surface of the dust outlet, the connection pipe 120 is used for communicating an air inlet end of the air compressor body 110 with the purification box 210, the air inlet 290 is a passage for outside air to enter the purification box 210, and the dust outlet and the baffle are used for facilitating people to remove dust in the purification box 210.

Referring to fig. 3, 4 and 5, the adjusting assembly 220 includes two brackets 221, a motor 222, two support plates 223, a sealing gasket 224 and two connecting rods 225, where one end of each bracket 221 is connected to an inner wall of the purification box 210, specifically, one end of each bracket 221 is fixedly connected to an inner wall of the purification box 210 by welding, the motor 222 is installed at the other end of each bracket 221, specifically, the motor 222 is fixedly installed at the other end of each bracket 221 by welding, the connecting rod 225 is connected to an output shaft of the motor 222, specifically, the connecting rod 225 is fixedly connected to an output shaft of the motor 222 by welding, two support plates 223 are provided, the support plates 223 are installed at two ends of the connecting rod 225, specifically, the support plates 223 are fixedly installed at two ends of the connecting rod 225 by welding, the sealing gasket 224 is connected to one side of the support plates 223 by gluing, the sealing gasket 224 is attached to the partition plate 230, and the motor 222 is used for driving the two support plates 223 and the sealing gasket 224 to rotate through the connecting rod 225, the size of the area of the filter hole 250 that is blocked by the gasket 224 is adjusted to adjust the volume of air passing through the filter hole 250 at the same time, and the intake efficiency is adjusted to adjust the compression rate of air.

In some embodiments, the gasket 224 is a disk-shaped structure, and the two filter holes 250 are symmetrically distributed about the motor 222, and the diameter of the filter holes 250 is the same as the diameter of the gasket 224.

Referring to fig. 3 and 6, the filter assembly 240 includes a first filter 241, an activated carbon layer 242, the filament non-woven fabric layer 243 is fixedly connected to one side of the activated carbon layer 242, the second filter screen 244 is mounted on one side of the filament non-woven fabric layer 243, and specifically, the second filter screen 244 is fixedly mounted on one side of the filament non-woven fabric layer 243, the first filter screen 241 is connected to the other side of the separator 230, the filament non-woven fabric layer 243 is connected to one side of the activated carbon layer 242, the filament non-woven fabric layer 243 is fixedly connected to one side of the activated carbon layer 242, the second filter screen 244 is mounted on one side of the filament non-woven fabric layer 243, the first filter screen, the filament non-woven fabric layer 243 and the second filter screen 244 are used for filtering dust in air, and the activated carbon layer 242 is used for adsorbing harmful substances in air.

Referring to fig. 3, 7, 8, and 9, the swing assembly 260 includes a support plate 261, a shaft rod 262, a swing rod 263 and a sealing plug 264, the support plate 261 is configured as two symmetrically distributed, the two support plates 261 are connected to the inner wall of the purification box 210, specifically, the two support plates 261 are fixedly connected to the inner wall of the purification box 210 by welding, two ends of the shaft rod 262 are rotatably connected to opposite sides of the two support plates 261, specifically, two ends of the shaft rod 262 are rotatably connected to opposite sides of the two support plates 261 by bearings, the swing rod 263 is connected to the outer surface of the shaft rod 262, specifically, the swing rod 263 is fixedly connected to the outer surface of the shaft rod 262 by welding, the sealing plug 264 is installed on one side of the swing rod 263, specifically, the sealing plug 264 is fixedly installed on one side of the swing rod 263 by gluing, the dust collecting plate 280 is a funnel-shaped structure, the sealing plug 264 is a cone-shaped structure, the swing rod 264 is inserted in the bottom of the dust collecting plate 280, the shaft rod 262 is used for enabling the swing rod 263 to swing between the two support plates 261, therefore, the sealing plug 264 is driven to swing, when the sealing plug 264 is in a horizontal state and blocks the lower end of the dust collecting plate 280, the dust collecting plate 280 is in a closed state, people can clean dust from the bottom of the purification box 210 at the moment, and when the sealing plug 264 is in an inclined state and is separated from the dust collecting plate 280, the dust collecting plate 280 can guide the dust into the bottom of the purification box 210.

In some specific embodiments, the stretching assembly 270 includes an electric cylinder 271, a first pull ring 272, a pull rope 273 and a second pull ring 274, the electric cylinder 271 is connected to the inner wall of the purification box 210, specifically, the electric cylinder 271 is fixedly connected to the inner wall of the purification box 210 by screws, the first pull ring 272 is installed on the output shaft of the electric cylinder 271, specifically, the first pull ring 272 is fixedly installed on the output shaft of the electric cylinder 271 by welding, the second pull ring 274 is connected to one end of the swing rod 263, specifically, the second pull ring 274 is fixedly connected to one end of the swing rod 263 by welding, the second pull ring 274 is connected to the first pull ring 272 by the pull rope 273, the electric cylinder 271 is configured to drive one end of the swing rod 263 to swing up and down by the first pull ring 272, the pull rope 273 and the second pull ring 274, so as to drive the other end of the swing rod 263 to swing up and down, and adjust the position of the sealing plug 264.

The working principle of the device is as follows: the external air enters the purifying box 210 through the air inlet 290, the first filter screen 241, the activated carbon layer 242, the filament non-woven fabric layer 243 and the second filter screen 244 can filter the air, so that the dust is under the second filter screen 244, under the action of gravity, the dust enters the bottom of the purifying box 210 through the dust collecting plate 280, the clean air enters the air compressor body 110 through the filter holes 250 and the connecting pipe 120 to be compressed, the motor 222 is turned on through the external controller, the motor 222 can drive the connecting rod 225 to rotate, the connecting rod 225 can drive the two support plates 223 and the two sealing gaskets 224 to rotate, the two sealing gaskets 224 can block different areas of the filter holes 250 in the rotating process, so that the air with different volumes in the same time passes through the filter holes 250, the air inlet rate can be adjusted according to the requirement to adjust the air compression rate, when too much dust is filtered in the purifying box 210, the external controller controls the electric cylinder 271 to shrink downwards, the electric cylinder 271 drives the left end of the swing rod 263 to swing downwards through the first pull ring 272, the pull rope 273 and the second pull ring 274, thereby driving the sealing plug 264 on the right side of the swing rod 263 to swing upwards, so that the dust collecting plate 280 is blocked by the sealing plug 264, at the moment, people can pull out the baffle plate, clean dust from the dust outlet, after the cleaning is finished, the baffle plate is inserted, the electric cylinder 271 is controlled to extend upwards, the sealing plug 264 drives the right side of the swing rod 263 to swing downwards through the action of gravity, the sealing plug 264 is separated from the dust collecting plate 280, so that the dust continues to enter the purification box 210 through the dust collecting plate 280, the air compressor body 110 does not need to be closed in the process, the air compressor body 110 can continuously compress air, thereby achieving the purposes that the compressed air purification system is convenient for cleaning filtered dust and can adjust the compressed air speed, when the system cleans dust, the air can be compressed while cleaning the filtered dust, the efficiency of air-purifying is improved, and the speed of compressed air is adjusted through adjusting the structure and adjusting air inlet rate simultaneously, has indirectly improved the practicality.

It should be noted that the specific model specifications of the external controller, the air compressor body 110, the motor 222, the first filter screen 241, the second filter screen 244 and the electric cylinder 271 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply and the principle of the external controller, the air compressor body 110, the motor 222 and the electric cylinder 271 are clear to those skilled in the art and will not be described in detail herein.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The compressed air purification system in the production of the nylon casing film is characterized by comprising a compression mechanism (10), wherein the compression mechanism (10) comprises an air compressor body (110) and a connecting pipe (120), and the air inlet end of the air compressor body (110) is communicated with the connecting pipe (120);

the purification device (20) comprises a purification box (210), an adjusting component (220), a partition plate (230), a filtering component (240), a swinging component (260), a stretching component (270) and an ash collecting plate (280), wherein the purification box (210) is connected to one side of the air compressor body (110), the adjusting component (220) is installed on the inner wall of the purification box (210), the partition plate (230) is connected to the inner wall of the purification box (210), the adjusting component (220) is attached to one side of the partition plate (230), the filtering component (240) is installed on the other side of the partition plate (230), the number of the filtering components (240) is two, the inner surface of the partition plate (230) is provided with filtering holes (250) corresponding to the filtering components (240) one by one, and the ash collecting plate (280) is connected to the inner wall of the purification box (210), the swing assembly (260) and the stretching assembly (270) are installed on the inner wall of the purification box (210), one end of the swing assembly (260) is connected with one end of the stretching assembly (270), and one side of the swing assembly (260) is attached to one end of the ash collecting plate (280).

2. The compressed air purification system in the production of nylon casing film according to claim 1, wherein the connecting pipe (120) is communicated with one side of the purification box (210), and the connecting pipe (120) is positioned above the partition plate (230) where the connecting pipe is communicated with the purification box (210).

3. The compressed air purification system in the production of the nylon casing film according to claim 1, wherein the adjusting assembly (220) comprises two brackets (221), a motor (222), a supporting plate (223), two sealing pads (224) and two connecting rods (225), one end of each bracket (221) is connected to the inner wall of the purification box (210), the motor (222) is installed at the other end of each bracket (221), the connecting rods (225) are connected to the output shaft of the motor (222), the two supporting plates (223) are arranged, the supporting plates (223) are installed at two ends of the connecting rods (225), the sealing pads (224) are connected to one side of the supporting plate (223), and the sealing pads (224) are attached to the partition plates (230).

4. The compressed air purification system in the production of the nylon casing membrane is characterized in that the sealing gasket (224) is of a disc-shaped structure, two filter holes (250) are symmetrically distributed around the motor (222), and the diameter of each filter hole (250) is the same as that of the sealing gasket (224).

5. The compressed air purification system in the production of nylon casing membrane of claim 1, wherein the filter assembly (240) comprises a first filter screen (241), an activated carbon layer (242), a filament non-woven fabric layer (243) and a second filter screen (244), the first filter screen (241) is connected to the other side of the separator (230), the activated carbon layer (242) is installed on one side of the first filter screen (241), the filament non-woven fabric layer (243) is connected to one side of the activated carbon layer (242), and the second filter screen (244) is installed on one side of the filament non-woven fabric layer (243).

6. The compressed air purification system in the production of nylon casing film according to claim 1, characterized in that the swing assembly (260) comprises a support plate (261), a shaft rod (262), a swing rod (263) and a sealing plug (264), the support plate (261) is arranged in two symmetrical distribution, the two support plates (261) are connected to the inner wall of the purification box (210), the two ends of the shaft rod (262) are rotatably connected to the opposite sides of the two support plates (261), the swing rod (263) is connected to the outer surface of the shaft rod (262), and the sealing plug (264) is installed on one side of the swing rod (263).

7. The compressed air purification system in the production of the nylon casing film according to claim 6, wherein the ash collection plate (280) is of a funnel-shaped structure, the sealing plug (264) is of a cone-shaped structure, and the sealing plug (264) is inserted into the bottom of the ash collection plate (280).

8. The compressed air purification system in the production of nylon casing film according to claim 6, wherein the stretching assembly (270) comprises an electric cylinder (271), a first pull ring (272), a pull rope (273) and a second pull ring (274), the electric cylinder (271) is connected to the inner wall of the purification box (210), the first pull ring (272) is mounted on the output shaft of the electric cylinder (271), the second pull ring (274) is connected to one end of the swing rod (263), and the second pull ring (274) is connected with the first pull ring (272) through the pull rope (273).

9. The compressed air purification system in the production of the nylon casing film as claimed in claim 1, wherein an air inlet (290) is formed in the other side of the purification box (210), and the air inlet (290) is located between the partition plate (230) and the ash collecting plate (280).

10. The compressed air purification system in the production of the nylon casing film as claimed in claim 1, wherein a dust outlet is formed in the other side of the purification box (210), and a baffle is inserted into the inner surface of the dust outlet.