Thin film manufacturing rinsing bath and underwater guide roller cleaning device thereof

By designing the underwater guide roller cleaning device for the film manufacturing water washing tank, including the dual cleaning method of scraping parts and rotating brush rollers, and the circulating water flow filter unit, the film defects caused by the accumulation of underwater guide rollers are solved, and no shutdown cleaning and efficient production are achieved.

CN222885732UActive Publication Date: 2025-05-20CHENGDU WISEDONE TECH
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Patent Information

Application Number
CN202421468212.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-05-20
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

During the film manufacturing process, impurities and precipitates are easily deposited on the underwater guide rollers of the washing tank, resulting in scratches, indentations and foreign matter defects on the film surface. The underwater rollers are difficult to clean and need to be shut down to clean, which affects product quality and production efficiency.

Method used

An underwater guide roller cleaning device for a thin film-making water washing tank is designed, including a roll surface sediment removal unit and a sediment filtration unit. The removal unit consists of a scraper and a sweeper, which is mounted on the guide roller side by a fixed bracket, and the sweeper is located behind the scraper and forms a close contact to remove deposits. The filter unit collects and filters the precipitate through a circulating water stream, and the filtered water is re-drained into the water washing tank.

Benefits of technology

It effectively avoids the accumulation of underwater guide roller sediments, prevents damage to the film surface, improves the film quality, avoids shutdown and cleansing, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a film manufacturing rinsing bath and an underwater guide roller cleaning device thereof, and relates to the technical field of plastic processing machinery. The underwater guide roller cleaning device comprises a roller surface sediment removing unit and a sediment filtering unit, the roller surface sediment removing unit comprises a scraping and sweeping piece and a sweeping and wiping piece, and the sweeping and wiping piece is located behind the scraping and sweeping piece. One end of the scraping and sweeping piece is close to the surface of the guide roller, and the surface of the scraping and sweeping piece is in close contact with the surface of the guide roller; the sediment filtering unit is arranged on one side of the guide roller and located behind the scraping and sweeping piece. The cleaning device is simple in structure, convenient to operate and capable of effectively avoiding damage to the surface of a film caused by accumulation of sediments of the underwater guide roller of the rinsing bath during film manufacturing, film quality is improved, shutdown cleaning is avoided, and production efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of plastic processing machinery, and particularly relates to a film manufacturing water washing tank and an underwater guide roller cleaning device thereof. Background Art

[0002] The statements in this section only provide background information related to the present disclosure and may not constitute prior art.

[0003] When manufacturing films, especially when manufacturing some special films or coated films, it is necessary to pass through a water tank for film surface cleaning or wetting treatment. During the treatment process, impurities and precipitates on the film surface are easily deposited on the surface of the underwater guide roller in the water washing tank.

[0004] During long-term production, the deposits continuously increase, which easily leads to various defects such as scratches, indentations, and foreign objects on the film surface. For film manufacturing, especially for high-end film manufacturing, this is intolerable. And the underwater roller is difficult to clean, and it is necessary to stop the machine to remove the deposits on the roller surface. Therefore, this problem seriously affects product quality and production efficiency. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a film manufacturing water washing tank and an underwater guide roller cleaning device thereof to solve the above problems in view of the problems existing in the prior art.

[0006] The technical solution of the utility model is as follows:

[0007] An underwater guide roller cleaning device for a film manufacturing water washing tank, which is used to be installed in a film manufacturing water washing tank, includes: a roller surface deposit removal unit and a deposit filtering unit; the roller surface deposit removal unit includes: a scraping member and a wiping member, both the scraping member and the wiping member are installed on one side of the guide roller through a fixed bracket, and the wiping member is located behind the scraping member; one end of the scraping member is close to the surface of the guide roller, and the surface of the wiping member is in close contact with the surface of the guide roller; the deposit filtering unit is arranged on one side of the guide roller and behind the scraping member, and is used to form a circulating water flow behind the scraping member, collect and filter the precipitates removed by the roller surface deposit removal unit, and the filtered water is discharged back into the film manufacturing water washing tank again.

[0008] Further, the scraping member is a fixed scraper.

[0009] Further, the wiping member is a rotating brush roller.

[0010] Further, the rotating brush roller is rotatably installed on the fixed bracket.

[0011] Further, the rotating brush roller is driven to rotate by a driving device.

[0012] Further, the driving device is a motor, which is located outside the water washing tank for film manufacturing. The output end of the motor is connected to the rotary brush roller through a chain, and the motor drives the rotary brush roller to rotate.

[0013] Further, the sediment filtering unit includes: a collecting device, a filtering device, and a discharging device; the collecting device is located behind the scraping member and is used for collecting sediment; the collecting device is connected to the filtering device, and the collected sediment enters the filtering device for filtering treatment; the discharging device is connected to the filtering device, and the water filtered by the filtering device is discharged into the water washing tank for film manufacturing through the discharging device.

[0014] Further, the collecting device includes: a collecting hood, a water suction pipe, and a water pump; the filtering device is a filter; the discharging device is a drain pipe; the collecting hood is located behind the scraping member, and the collecting hood is connected to the filter through the water suction pipe and the water pump; the drain pipe is connected to the filter.

[0015] A water washing tank for film manufacturing includes the above-mentioned underwater guide roller cleaning device for water washing tank of film manufacturing. A plurality of guide rollers are arranged in the water washing tank for film manufacturing, and the underwater guide roller cleaning device for water washing tank of film manufacturing is installed on one side of the guide roller.

[0016] Further, there are 4 guide rollers in total, which are the first guide roller, the second guide roller, the third guide roller, and the fourth guide roller respectively; the first guide roller, the second guide roller, the third guide roller, and the fourth guide roller are arranged in sequence. The first guide roller and the fourth guide roller are above the liquid level of the water tank, and the second guide roller and the third guide roller are at the bottom of the liquid level of the water tank; the underwater guide roller cleaning device for water washing tank of film manufacturing is arranged on one side of the second guide roller.

[0017] Compared with the existing technology, the beneficial effects of the present utility model are:

[0018] An underwater guide roller cleaning device for a water washing tank of film manufacturing, which is used to be installed in the water washing tank of film manufacturing, includes: a roller surface sediment removing unit and a sediment filtering unit; the roller surface sediment removing unit includes: a scraping member and a wiping member. The scraping member and the wiping member are both installed on one side of the guide roller through a fixed bracket, and the wiping member is located behind the scraping member; one end of the scraping member is close to the surface of the guide roller, and the surface of the wiping member is in close contact with the surface of the guide roller; the sediment filtering unit is arranged on one side of the guide roller and is located behind the scraping member, and is used to form a circulating water flow behind the scraping member, collect and filter the sediment removed by the roller surface sediment removing unit, and the filtered water is discharged into the water washing tank of film manufacturing again; the structure of the present utility model is simple and the operation is convenient, which can effectively avoid the damage to the film surface caused by the accumulation of sediment on the underwater guide roller in the water washing tank during film manufacturing, improve the film quality, avoid shutdown for cleaning, and improve the production efficiency. Description of the Drawings

[0019] Figure 1 It is a schematic structural diagram of a cleaning device for an underwater guide roller in a water washing tank for film manufacturing;

[0020] Figure 2 It is a partially enlarged view of a cleaning device for an underwater guide roller in a water washing tank for film manufacturing.

[0021] Reference numerals: 1 - film, 2 - first guide roller, 3 - second guide roller, 4 - third guide roller, 5 - fourth guide roller, 6 - water washing tank for film manufacturing, 7 - fixed scraper, 8 - rotating brush roller, 9 - fixed bracket, 10 - motor, 11 - chain, 12 - collection hood, 13 - water suction pipe, 14 - water pump, 15 - filter, 16 - drain pipe. Detailed implementation manners

[0022] It should be noted that relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or sequence between these entities or operations. Moreover, the terms "comprise", "include" or any other variant thereof are intended to cover non - exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0023] The features and performance of the present utility model will be further described in detail below in conjunction with embodiments.

[0024] Embodiment 1

[0025] Please refer to Figure 1-2 , a cleaning device for an underwater guide roller in a water washing tank for film manufacturing, which is used to be installed in the water washing tank 6 for film manufacturing, and includes:

[0026] A roller surface sediment removal unit and a sediment filtration unit; the roller surface sediment removal unit includes a scraping member and a wiping member. Both the scraping member and the wiping member are installed on one side of the guide roller through the fixed bracket 9, and the wiping member is located behind the scraping member; one end of the scraping member is close to the surface of the guide roller, and the surface of the wiping member is in close contact with the surface of the guide roller; the sediment filtration unit is arranged on one side of the guide roller and behind the scraping member, and is used to form a circulating water flow behind the scraping member to collect and filter the sediment removed by the roller surface sediment removal unit, and the filtered water is discharged into the water washing tank 6 for film manufacturing again.

[0027] In this embodiment, specifically, the scraping member is a fixed scraper 7.

[0028] In this embodiment, specifically, the wiping member is a rotating brush roller 8;

[0029] In this embodiment, specifically, the rotating brush roller 8 is rotatably mounted on a fixed bracket 9.

[0030] In this embodiment, specifically, the rotating brush roller 8 is driven to rotate by a driving device.

[0031] In this embodiment, specifically, the driving device is a motor 10. The motor 10 is located outside the film manufacturing water washing tank 6. The output end of the motor 10 is connected to the rotating brush roller 8 through a chain 11, and the rotating brush roller 8 is driven to rotate by the motor 10; that is, the surface deposits of the guide roller are cleaned and removed by the fixed scraper 7 and the rotating brush roller 8 connected to the motor 10.

[0032] In this embodiment, specifically, the sediment filtering unit includes: a collecting device, a filtering device, and a discharging device; the collecting device is located behind the scraping member and is used for collecting sediments (i.e., the sediments and water are collected by the collecting device together); the collecting device is connected to the filtering device, and the collected sediments enter the filtering device for filtering treatment; the discharging device is connected to the filtering device, and the water filtered by the filtering device is discharged into the film manufacturing water washing tank 6 through the discharging device.

[0033] In this embodiment, specifically, the collecting device includes: a collecting hood 12, a water suction pipe 13, and a water pump 14; the filtering device is a filter 15; the discharging device is a drain pipe 16; the collecting hood 12 is located behind the scraping member, and the collecting hood 12 is connected to the filter 15 through the water suction pipe 13 and the water pump 14; the drain pipe 16 is connected to the filter 15; that is, the water pump 14 drives the water circulation of the sediment filtering unit, the sediments are removed by the filter 15 through the collecting hood 12, and the filtered water is re-injected into the film manufacturing water washing tank 6, so as to achieve the cleaning effect of the underwater guide roller.

[0034] In this embodiment, a film manufacturing water washing tank is further proposed, which includes the above-mentioned underwater guide roller cleaning device for a film manufacturing water washing tank. A plurality of guide rollers are arranged in the film manufacturing water washing tank 6, and the underwater guide roller cleaning device for the film manufacturing water washing tank 6 is installed on one side of the guide roller.

[0035] In this embodiment, specifically, there are 4 guide rollers, namely the first guide roller 2, the second guide roller 3, the third guide roller 4, and the fourth guide roller 5; the first guide roller 2, the second guide roller 3, the third guide roller 4, and the fourth guide roller 5 are arranged in sequence. The first guide roller 2 and the fourth guide roller 5 are located above the liquid level of the water tank, and the second guide roller 3 and the third guide roller 4 are located at the bottom of the liquid level of the water tank; on one side of the second guide roller 3, there is a cleaning device for the underwater guide roller of the film manufacturing water washing tank.

[0036] During operation, the film 1 is transported by the first guide roller 2 into the film manufacturing water washing tank 6, and the processing in the water tank is completed through the second guide roller 3, the third guide roller 4, and the fourth guide roller 5. After long-term processing, impurities and precipitates in the film 1 are likely to deposit on the roller surface of the second guide roller 3; at this time, the fixed scraper 7 on the fixed bracket 9 directly scrapes the roller surface of the second guide roller 3, and at the same time, the rotating brush roller 8 connected to the motor 10 through the chain 11 continuously sweeps the surface of the second guide roller 3. Through the above double cleaning method, the deposits deposited on the roller surface are removed;

[0037] The removed deposits will follow the circulating water flow formed by the deposit filtering unit, pass through the collecting hood 12, enter the filter 15 through the water suction pipe 13 and the water pump 14, the deposits are filtered, and the filtered water returns to the film manufacturing water washing tank 6 through the drain pipe 16, so as to achieve the cleaning effect of the underwater roller.

[0038] The above-described embodiments only represent the specific implementation manners of the present application, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the protection scope of the present application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the technical solution of the present application, several deformations and improvements can still be made, and these all belong to the protection scope of the present application.

[0039] This background technology section is provided to generally present the context of the present invention. The work of the currently named inventors, to the extent described in this background technology section, and aspects described in this section that do not constitute prior art at the time of filing this application are neither expressly nor impliedly admitted to be prior art of the present invention.

Claims

1. An underwater guide roller cleaning device for a film manufacturing water washing tank, characterized in that: The device is used for installation in a water washing tank (6) for film manufacturing, and comprises: a roller surface sediment removal unit and a sediment filtering unit; the roller surface sediment removal unit comprises: a scraping member and a wiping member, the scraping member and the wiping member are both installed on one side of the guide roller through a fixed bracket (9), and the wiping member is located behind the scraping member; one end of the scraping member is close to the surface of the guide roller, and the surface of the wiping member is in close contact with the surface of the guide roller; the sediment filtering unit is arranged on one side of the guide roller and is located behind the scraping member, and is used for forming a circulating water flow behind the scraping member to collect and filter the sediment removed by the roller surface sediment removal unit, and the filtered water is discharged into the water washing tank (6) for film manufacturing again.

2. The underwater guide roller cleaning device for a film manufacturing water washing tank according to claim 1, characterized in that: The scraping and sweeping member is a fixed scraper (7).

3. The underwater guide roller cleaning device for a film manufacturing water washing tank according to claim 2, characterized in that: The sweeping member is a rotating brush roller (8).

4. The underwater guide roller cleaning device for a film manufacturing water washing tank according to claim 3 is characterized in that: The rotating brush roller (8) is rotatably mounted on a fixed bracket (9).

5. The underwater guide roller cleaning device for a film manufacturing water washing tank according to claim 4, characterized in that: The rotating brush roller (8) is driven to rotate by a driving device.

6. The underwater guide roller cleaning device for a film manufacturing water washing tank according to claim 5, characterized in that: The driving device is a motor (10), and the motor (10) is located outside the film manufacturing water washing tank (6). The output end of the motor (10) is connected to the rotating brush roller (8) through a chain (11), and the rotating brush roller (8) is driven to rotate by the motor (10).

7. The underwater guide roller cleaning device for a film manufacturing water washing tank according to claim 6, characterized in that: The sediment filtering unit comprises: a collecting device, a filtering device and a discharging device; the collecting device is located behind the scraping member and is used to collect sediment; the collecting device is connected to the filtering device, and the collected sediment enters the filtering device for filtering treatment; the discharging device is connected to the filtering device, and the water filtered by the filtering device is discharged into the film manufacturing water washing tank (6) through the discharging device.

8. The underwater guide roller cleaning device for a film manufacturing water washing tank according to claim 7, characterized in that: The collecting device comprises: a collecting hood (12), a water suction pipe (13) and a water pump (14); the filtering device is a filter (15); the discharging device is a drain pipe (16); the collecting hood (12) is located behind the scraping member, the collecting hood (12) and the filter (15) are connected via the water suction pipe (13) and the water pump (14); the drain pipe (16) is connected to the filter (15).

9. A film manufacturing water washing tank, characterized in that: It comprises an underwater guide roller cleaning device for a film manufacturing water washing tank as described in any one of claims 1 to 8, wherein a plurality of guide rollers are arranged in the film manufacturing water washing tank (6), and the underwater guide roller cleaning device for the film manufacturing water washing tank is installed on one side of the guide roller.

10. A film manufacturing water washing tank according to claim 9, characterized in that: There are four guide rollers in total, namely a first guide roller (2), a second guide roller (3), a third guide roller (4) and a fourth guide roller (5); the first guide roller (2), the second guide roller (3), the third guide roller (4) and the fourth guide roller (5) are arranged in sequence, the first guide roller (2) and the fourth guide roller (5) are located above the liquid surface of the water tank, and the second guide roller (3) and the third guide roller (4) are located at the bottom of the liquid surface of the water tank; an underwater guide roller cleaning device of a film manufacturing water washing tank is arranged on one side of the second guide roller (3).